{"format":"murdoku-puzzle/1","id":"chess","version":1,"difficulty":"expert","level":10,"size":{"rows":16,"cols":16},"languages":["en","hu","de","fr","es","it","nl","pl","pt","ro","ca","cs","fi","vi","tr","el","ru","uk","ar","ko","ja","zh-Hans","zh-Hant"],"defaultLanguage":"en","title":"De Schaakclub","tagline":"Schaakclub Corvin · zaterdagavond · de laatste ronde van het kampioenschap","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-24","story":"De laatste ronde van het kampioenschap van Schaakclub Corvin, zaterdagavond. Om negen uur zette de hoofdscheidsrechter de klokken stil voor de aankondiging van de prijsuitreiking – en in de Bibliotheek, waar aan het eerste bord werd gespeeld, vond men Vladimir, de regerend kampioen, dood naast zijn schaakbord, de stelling nog op het bord. Zestien mensen waren in de club: acht spelers in vier onvoltooide partijen, twee officials, twee medewerkers van het café en vier toeschouwers. Niemand had gezien wie tegenover de kampioen had gezeten. Lees alle verklaringen, ontdek aan welke vier borden er werd gespeeld, vind ieders vakje op de plattegrond en ontmasker de moordenaar – de tegenstander die in de Bibliotheek alleen was met Vladimir.","rules":{"standard":["Elke <b>rij</b> en elke <b>kolom</b> bevat precies <b>één persoon</b>. Zodra je iemand plaatst, streep je zijn hele rij en kolom door.","<b>„Naast”</b> = direct links, rechts, erboven of eronder, en <b>in hetzelfde gebied</b>. Vakjes met een voorwerp (schaakborden, tafels, boekenkasten, de toonbank, de schermen…) kunnen niet bezet worden; de stoelen, de kruk, de banken, de fauteuils en de sofa wel. Een <b>hoek</b> van een gebied is een vakje van dat gebied dat aan de buitenkant grenst (aan een ander gebied of aan de rand van het speelveld) aan één horizontale en één verticale zijde.","<i>„Direct naast een gebied waar niemand was”</i> = op een vakje dat rechtstreeks – links, rechts, erboven of eronder, over de muur heen – aan een leeg gebied grenst.","Richtingen slaan op rijen en kolommen, niet op dezelfde lijn: <i>„precies één rij ten noorden van hem was een vrouw”</i> = de persoon in de rij direct erboven is een vrouw, in eender welke kolom; <i>„ten noorden van Adrian”</i> = in een rij hoger, in eender welke kolom.","De moordenaar was <b>alleen met het slachtoffer</b>: niemand anders was in dat gebied."],"special":["<b>Vier partijen:</b> in de club staan acht schaakborden, en er werden <b>precies vier partijen</b> gespeeld. Naast een bord waaraan gespeeld werd, waren <b>precies twee mensen – de twee tegenstanders</b>; naast ieder ander bord was <b>niemand</b>. <b>Elke speler was naast een schaakbord</b>; de officials, het cafépersoneel en de toeschouwers waren nooit naast een bord.","<b>Aan beide kanten van het bord:</b> omdat elke rij en elke kolom één persoon bevat, nemen de twee tegenstanders aan een bord altijd de <b>rij en de kolom</b> ervan in – de een is naast het bord in de rij, de ander in de kolom. Twee borden in dezelfde rij of kolom kunnen dus niet allebei in het spel zijn. In een verklaring is <i>„mijn tegenstander”</i> de andere persoon naast hetzelfde bord."]},"roleNames":{"player":"speler","official":"official","staff":"cafépersoneel","spectator":"toeschouwer","victim":"slachtoffer"},"personGroups":[{"id":"players","name":"De 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was in de <b>Toernooizaal</b>.","job":"juniorenkampioen","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Adrian\"><rect width=\"80\" height=\"80\" fill=\"#2f4858\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#264653\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f1c8a5\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f1c8a5\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#5a3a22\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><rect x=\"26\" y=\"23\" width=\"28\" height=\"5\" rx=\"2\" fill=\"#f0b429\"/></svg>","solverRole":"player","constraints":[{"type":"area","areas":["Tournament 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Zijn <b>tegenstander</b> was <b>een man</b>.","job":"de veteraan","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Casimir\"><rect width=\"80\" height=\"80\" fill=\"#7a6a3c\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#5d4037\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><path d=\"M26 30 Q26 22 30 20 L30 34 Q26 34 26 30 Z\" fill=\"#c9c3b8\"/><path d=\"M54 30 Q54 22 50 20 L50 34 Q54 34 54 30 Z\" fill=\"#c9c3b8\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#3a2a1c\"/></svg>","solverRole":"player","constraints":[{"type":"row_has","obj":"chessboard"},{"type":"someone_share_object","obj":"chessboard","gender":"M"},{"type":"beside","obj":"chessboard","rule":true}]},{"id":"D","name":"Denise","gender":"F","role":"player","color":"#6a1b9a","avatar":{"bg":"#1b2a33","skin":"#f0cdb0","hair":"#2b1c14","style":"bob","shirt":"#c0392b","earrings":true},"clue":"Zij was <b>alleen met een man</b>.","job":"correspondentiekampioene","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Denise\"><rect width=\"80\" height=\"80\" fill=\"#1b2a33\"/><path d=\"M22 40 Q22 14 40 14 Q58 14 58 40 L58 58 L22 58 Z\" fill=\"#2b1c14\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#c0392b\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f0cdb0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f0cdb0\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#2b1c14\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"26\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/><circle cx=\"54\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/></svg>","solverRole":"player","constraints":[{"type":"with_gender","gender":"M","exact":true},{"type":"beside","obj":"chessboard","rule":true}]},{"id":"E","name":"Emmett","gender":"M","role":"player","color":"#e65100","avatar":{"bg":"#3d5a6e","skin":"#d9a57a","hair":"#1c1a1a","style":"curly","shirt":"#1b1b1b","beanie":"#000000"},"clue":"Er was een <b>man</b> in zijn gebied.","job":"blitzspecialist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Emmett\"><rect width=\"80\" height=\"80\" fill=\"#3d5a6e\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1b1b1b\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#d9a57a\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#d9a57a\"/><path d=\"M25 34 q-3 -8 4 -10 q0 -8 8 -7 q3 -4 8 -1 q6 -3 9 3 q7 0 5 8 q4 4 -1 9 q-6 -14 -16 -12 q-9 -1 -17 10 Z\" fill=\"#1c1a1a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M24 31 Q24 11 40 11 Q56 11 56 31 Q48 21 40 21 Q32 21 24 31 Z\" fill=\"#000000\"/><rect x=\"23\" y=\"26\" width=\"34\" height=\"6\" rx=\"3\" fill=\"#000000\" stroke=\"rgba(0,0,0,.18)\"/><circle cx=\"40\" cy=\"10\" r=\"4\" fill=\"#f4efe6\"/></svg>","solverRole":"player","constraints":[{"type":"with_gender","gender":"M"},{"type":"beside","obj":"chessboard","rule":true}]},{"id":"F","name":"Francesca","gender":"F","role":"player","color":"#00838f","avatar":{"bg":"#6e2c4b","skin":"#f6d8c0","hair":"#b7482c","style":"ponytail","shirt":"#3f6a8a","necklace":true},"clue":"Er was een <b>official</b> in haar gebied. Zij was <b>direct naast een gebied waar niemand was</b>.","job":"de uitdaagster","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Francesca\"><rect width=\"80\" height=\"80\" fill=\"#6e2c4b\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#b7482c\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#3f6a8a\"/><path d=\"M31 58 Q40 66 49 58\" fill=\"none\" stroke=\"#f3e2b3\" stroke-width=\"2\" stroke-dasharray=\"2 2\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f6d8c0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f6d8c0\"/><path d=\"M26 33 Q26 16 40 16 Q54 16 54 33 Q50 24 40 24 Q30 24 26 33 Z\" fill=\"#b7482c\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/></svg>","solverRole":"player","constraints":[{"type":"with_role","role":"official"},{"type":"adjacent_area_empty"},{"type":"beside","obj":"chessboard","rule":true}]},{"id":"G","name":"Gerald","gender":"M","role":"player","color":"#ad1457","avatar":{"bg":"#35607a","skin":"#e4b998","hair":"#c9c3b8","style":"slick","shirt":"#8b5a2b","glasses":true,"beard":true},"clue":"Hij was <b>ten zuiden van Bernadette</b>. Hij was <b>niet</b> naast een <b>stoel</b>.","job":"het oudste lid van de club","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Gerald\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#8b5a2b\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e4b998\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e4b998\"/><path d=\"M26 30 Q27 16 44 15 Q56 15 55 26 Q48 22 40 23 Q30 24 26 30 Z\" fill=\"#c9c3b8\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"34\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><circle cx=\"46\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><line x1=\"39\" y1=\"35\" x2=\"41\" y2=\"35\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><path d=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#c9c3b8\"/></svg>","solverRole":"player","constraints":[{"type":"rel","q":"B","dir":"S"},{"type":"not_beside","obj":"chair"},{"type":"beside","obj":"chessboard","rule":true}]},{"id":"H","name":"Hermione","gender":"F","role":"official","color":"#5d4037","avatar":{"bg":"#8c3a5a","skin":"#f1c8a5","hair":"#5a3a22","style":"long","shirt":"#2f3b4c","scarf":"#f2d24a"},"clue":"Zij was <b>niet alleen</b> in haar gebied.","job":"hoofdscheidsrechter","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Hermione\"><rect width=\"80\" height=\"80\" fill=\"#8c3a5a\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#5a3a22\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#2f3b4c\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f1c8a5\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f1c8a5\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#5a3a22\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M30 58 Q40 70 50 58 L48 66 Q40 76 32 66 Z\" fill=\"#f2d24a\"/></svg>","solverRole":"official","constraints":[{"type":"not_alone"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"I","name":"Irving","gender":"M","role":"official","color":"#827717","avatar":{"bg":"#4e6f8a","skin":"#e9c6a4","hair":"#1c1a1a","style":"short","shirt":"#1b1b1b","bow":true},"clue":"Er was ergens in zijn gebied een <b>boekenkast</b>. Hij en <b>Kevin</b> waren op dezelfde <b>diagonaal</b>.","job":"toernooidirecteur","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Irving\"><rect width=\"80\" height=\"80\" fill=\"#4e6f8a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1b1b1b\"/><path d=\"M40 60 l-8 -4 v8 z M40 60 l8 -4 v8 z\" fill=\"#b8302b\"/><circle cx=\"40\" cy=\"60\" r=\"2\" fill=\"#7a1f1c\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e9c6a4\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e9c6a4\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#1c1a1a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/></svg>","solverRole":"official","constraints":[{"type":"area_has","obj":"bookcase"},{"type":"same_diagonal","q":"K"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"J","name":"Joanna","gender":"F","role":"staff","color":"#283593","avatar":{"bg":"#5a2a2a","skin":"#f0cdb0","hair":"#d9b464","style":"ponytail","shirt":"#f4efe6","apron":true},"clue":"Zij was in het <b>Café</b>.","job":"barista","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Joanna\"><rect width=\"80\" height=\"80\" fill=\"#5a2a2a\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#d9b464\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#f4efe6\"/><path d=\"M28 80 L30 62 Q40 58 50 62 L52 80 Z\" fill=\"#f4efe6\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f0cdb0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f0cdb0\"/><path d=\"M26 33 Q26 16 40 16 Q54 16 54 33 Q50 24 40 24 Q30 24 26 33 Z\" fill=\"#d9b464\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/></svg>","solverRole":"staff","constraints":[{"type":"area","areas":["Cafe"]},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"K","name":"Kevin","gender":"M","role":"staff","color":"#33691e","avatar":{"bg":"#2f3b4c","skin":"#e7b98f","hair":"#2b1c14","style":"short","shirt":"#f4efe6","apron":true,"mustache":true},"clue":"Hij zat op een <b>stoel</b>.","job":"ober","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Kevin\"><rect width=\"80\" height=\"80\" fill=\"#2f3b4c\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#f4efe6\"/><path d=\"M28 80 L30 62 Q40 58 50 62 L52 80 Z\" fill=\"#f4efe6\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#2b1c14\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#3a2a1c\"/></svg>","solverRole":"staff","constraints":[{"type":"on","obj":"chair"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"L","name":"Lena","gender":"F","role":"spectator","color":"#37474f","avatar":{"bg":"#6e2c4b","skin":"#f6d8c0","hair":"#b7482c","style":"bun","shirt":"#7a5a9a","earrings":true},"clue":"Zij was in een <b>hoek van haar gebied</b>. Er was ergens in haar <b>rij</b> een <b>stoel</b>.","job":"Adrians moeder","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Lena\"><rect width=\"80\" height=\"80\" fill=\"#6e2c4b\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#7a5a9a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f6d8c0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f6d8c0\"/><circle cx=\"40\" cy=\"15\" r=\"7\" fill=\"#b7482c\"/><path d=\"M26 32 Q26 16 40 16 Q54 16 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#b7482c\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"26\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/><circle cx=\"54\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/></svg>","solverRole":"spectator","constraints":[{"type":"corner_of_area"},{"type":"row_has","obj":"chair"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"M","name":"Miriam","gender":"F","role":"spectator","color":"#bf360c","avatar":{"bg":"#1b2a33","skin":"#e4b998","hair":"#1c1a1a","style":"bob","shirt":"#3f8a4a","glasses":true},"clue":"Zij was naast de <b>fontein</b>.","job":"schaakcolumniste","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Miriam\"><rect width=\"80\" height=\"80\" fill=\"#1b2a33\"/><path d=\"M22 40 Q22 14 40 14 Q58 14 58 40 L58 58 L22 58 Z\" fill=\"#1c1a1a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#3f8a4a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e4b998\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e4b998\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#1c1a1a\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"34\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><circle cx=\"46\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><line x1=\"39\" y1=\"35\" x2=\"41\" y2=\"35\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/></svg>","solverRole":"spectator","constraints":[{"type":"beside","obj":"fountain"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"N","name":"Nicholas","gender":"M","role":"spectator","color":"#4e342e","avatar":{"bg":"#7a6a3c","skin":"#f1c8a5","hair":"#c9c3b8","style":"bald","shirt":"#8a949c","glasses":true},"clue":"Er was ergens in zijn <b>kolom</b> een <b>schilderij</b>.","job":"penningmeester van de club","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Nicholas\"><rect width=\"80\" height=\"80\" fill=\"#7a6a3c\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#8a949c\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f1c8a5\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f1c8a5\"/><path d=\"M26 30 Q26 22 30 20 L30 34 Q26 34 26 30 Z\" fill=\"#c9c3b8\"/><path d=\"M54 30 Q54 22 50 20 L50 34 Q54 34 54 30 Z\" fill=\"#c9c3b8\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><circle cx=\"34\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><circle cx=\"46\" cy=\"35\" r=\"5\" fill=\"none\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/><line x1=\"39\" y1=\"35\" x2=\"41\" y2=\"35\" stroke=\"#2b2b2b\" stroke-width=\"1.4\"/></svg>","solverRole":"spectator","constraints":[{"type":"col_has","obj":"painting"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"O","name":"Ophelia","gender":"F","role":"spectator","color":"#00695c","avatar":{"bg":"#3d5a6e","skin":"#f6d8c0","hair":"#5a3a22","style":"long","shirt":"#e8c0d0","headband":"#f0b429"},"clue":"Zij <b>zat op een zitplaats</b> (een <b>fauteuil</b>, een <b>bank</b>, een <b>stoel</b>, een <b>sofa</b> of de <b>kruk</b>). <b>Precies één rij ten noorden</b> van haar was een <b>vrouw</b>.","job":"schaakleerlinge","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Ophelia\"><rect width=\"80\" height=\"80\" fill=\"#3d5a6e\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#5a3a22\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e8c0d0\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f6d8c0\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f6d8c0\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#5a3a22\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><rect x=\"26\" y=\"23\" width=\"28\" height=\"5\" rx=\"2\" fill=\"#f0b429\"/></svg>","solverRole":"spectator","constraints":[{"type":"on_any","objs":["armchair","bench","chair","sofa","stool"]},{"type":"rel_any","dir":"N","exact":1,"gender":"F"},{"type":"not_beside","obj":"chessboard","rule":true}]},{"id":"V","name":"Vladimir","gender":"M","role":"victim","color":"#1b1b1b","avatar":{"bg":"#5a2a2a","skin":"#e9c6a4","hair":"#5a3a22","style":"slick","shirt":"#1b1b1b","beard":true},"clue":"<b>Het slachtoffer.</b> Hij werd gevonden in de <b>Bibliotheek</b>, naast het <b>schaakbord</b> – alleen met de moordenaar.","job":"de regerend kampioen","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Vladimir\"><rect width=\"80\" height=\"80\" fill=\"#5a2a2a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1b1b1b\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e9c6a4\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e9c6a4\"/><path d=\"M26 30 Q27 16 44 15 Q56 15 55 26 Q48 22 40 23 Q30 24 26 30 Z\" fill=\"#5a3a22\"/><circle cx=\"34\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><circle cx=\"46\" cy=\"35\" r=\"1.6\" fill=\"#2b2b2b\"/><path d=\"M36 43 Q40 46 44 43\" fill=\"none\" stroke=\"#a5735a\" stroke-width=\"1.4\"/><path d=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#5a3a22\"/><path d=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"player","constraints":[{"type":"area","areas":["Library"]},{"type":"beside","obj":"chessboard"}]}],"victim":"V","murderer":"D","solution":{"J":[1,10],"B":[2,7],"G":[3,6],"F":[4,3],"A":[5,4],"I":[6,12],"K":[7,13],"L":[8,15],"H":[9,5],"C":[10,9],"E":[11,8],"N":[12,16],"V":[13,1],"D":[14,2],"O":[15,14],"M":[16,11]},"walkthrough":[{"place":[],"cand":{"A":[[4,3],[5,4],[5,7],[5,9],[6,3],[6,8],[7,4],[8,3],[8,5]],"B":[[2,7],[3,6],[3,8],[4,3],[4,7],[5,4],[5,7],[5,9],[5,14],[6,3],[6,8],[6,13],[6,15],[7,4],[7,14],[8,3],[8,5],[12,2],[13,1],[13,3]],"C":[[3,6],[3,8],[5,4],[5,7],[5,9],[5,14],[6,3],[6,8],[6,13],[6,15],[8,3],[8,5],[10,4],[10,7],[10,9],[13,1],[13,3]],"D":[[4,3],[5,4],[5,7],[5,9],[5,14],[6,3],[6,8],[6,13],[6,15],[7,4],[7,14],[8,3],[8,5],[9,3],[10,4],[10,7],[10,9],[11,8],[12,2],[13,1],[13,3],[14,2]],"E":[[2,7],[3,6],[3,8],[4,3],[4,7],[5,4],[5,7],[5,9],[5,14],[6,3],[6,8],[6,13],[6,15],[7,4],[7,14],[8,3],[8,5],[9,3],[10,4],[10,7],[10,9],[11,8],[12,2],[13,1],[13,3],[14,2]],"F":[[4,3],[8,3],[11,8]],"G":[[3,6],[3,8],[4,3],[4,7],[5,4],[5,9],[5,14],[6,3],[6,15],[7,4],[8,3],[8,5],[9,3],[10,4],[10,7],[10,9],[11,8],[12,2],[13,1],[13,3],[14,2]],"I":[[4,14],[5,12],[5,13],[5,15],[6,12],[6,16],[7,15],[7,16],[8,14]],"J":[[1,9],[1,10],[1,11],[1,12],[2,5],[2,6],[2,8],[2,9],[2,11],[2,12],[2,13],[3,5],[3,9],[3,10],[3,11],[3,13],[3,14],[4,8],[4,9],[4,10]],"K":[[2,9],[2,11],[3,11],[3,13],[5,12],[6,7],[7,13],[8,8],[8,10]],"L":[[2,5],[2,14],[3,3],[3,4],[3,5],[3,14],[3,15],[3,16],[5,1],[6,11],[7,9],[7,11],[7,16],[8,1],[8,9],[8,11],[8,14],[8,15],[8,16]],"M":[[15,10],[16,9],[16,11]],"N":[[3,16],[4,1],[5,1],[5,16],[6,1],[6,16],[7,1],[7,16],[8,1],[8,16],[10,1],[10,16],[12,1],[12,16],[14,1],[15,1],[15,16]],"O":[[2,9],[2,11],[3,11],[3,13],[5,12],[6,7],[7,13],[8,8],[8,10],[9,4],[11,7],[12,13],[12,14],[15,3],[15,14],[16,6]],"V":[[12,2],[13,1],[13,3],[14,2]]},"text":"Vier partijen aan acht borden. Vladimir werd gevonden aan het bord R13C2 van de Bibliotheek, dus hij is op een van de vier aangrenzende vakjes – R12C2, R14C2, R13C1 of R13C3 – en zijn tegenstander, de moordenaar, tegenover hem op de andere as: de een in rij 13, de ander in kolom 2, en verder niemand in de Bibliotheek. Aan borden zitten alleen spelers, dus de moordenaar is een van de zeven spelers, en rij 13 en kolom 2 zijn voor alle anderen gesloten: de stoel in het Kantoor R13C8 en de vakjes R5C2 en R10C2 vallen af, en het blitzbord R10C3 is alleen bereikbaar vanaf R10C4 en R9C3. Francesca zat aan een bord, met een official in haar kamer, direct naast een gebied waar niemand was: van de 28 vakjes naast borden grenzen alleen R4C3 (naast de Garderobe en het Foyer), R8C3 (naast de Blitzkamer) en R11C8 (naast het Kantoor) aan een kamer die leeg kan zijn – de Toernooizaal heeft Adrian, het Café heeft Joanna, de Bibliotheek is vol, en de andere vakjes naast borden raken helemaal geen andere kamer. Irving heeft een boekenkast in zijn kamer: de Bibliotheek is verboden terrein voor hem, dus hij is in de Analysekamer, nooit naast het bord daar. Kevin zit op een stoel op Irvings diagonaal – er blijven negen stoelen over (R13C8 ligt in rij 13). Miriam is naast de fontein: R15C10, R16C9 of R16C11. Nicholas is in de kolom van een van de twee schilderijen: kolom 1 of kolom 16. Joanna is in het Café; Lena heeft een hoek van een kamer nodig in een rij met een stoel – rij 2, 3, 5, 6, 7 of 8."},{"place":[],"cand":{"A":[[5,4],[5,7],[5,9],[6,8],[7,4],[8,5]],"B":[[2,7],[3,6],[3,8],[4,7],[5,4],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[7,4],[7,14],[8,5],[13,1]],"C":[[3,6],[3,8],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[8,5],[10,7],[10,9],[13,1]],"D":[[5,14],[6,13],[6,15],[7,14],[10,7],[10,9],[11,8],[13,1],[14,2]],"E":[[2,7],[3,6],[3,8],[4,7],[5,4],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[7,4],[7,14],[8,5],[10,7],[10,9],[11,8],[13,1],[14,2]],"F":[[4,3],[8,3]],"G":[[3,6],[3,8],[4,7],[5,4],[5,9],[5,14],[6,15],[7,4],[8,5],[10,7],[10,9],[11,8],[13,1],[14,2]],"H":[[4,4],[4,5],[5,5],[5,6],[5,10],[6,4],[6,5],[6,6],[6,7],[6,9],[6,10],[6,11],[7,5],[7,6],[7,7],[7,8],[8,6],[8,7],[8,8],[9,5],[9,6],[9,7],[9,8],[9,9],[9,10]],"I":[[4,14],[5,12],[5,13],[5,15],[6,12],[7,15],[8,14]],"J":[[1,9],[1,10],[1,11],[1,12]],"K":[[2,9],[3,11],[3,13],[7,13],[8,10]],"L":[[2,5],[2,14],[3,4],[3,5],[3,14],[3,15],[6,11],[7,9],[7,11],[8,9],[8,11],[8,14],[8,15]],"M":[[15,10],[16,9],[16,11]],"N":[[3,16],[5,16],[6,16],[7,16],[8,16],[10,16],[12,16],[15,16]],"O":[[2,9],[2,11],[3,11],[3,13],[5,12],[6,7],[7,13],[8,8],[8,10],[9,4],[11,7],[12,13],[12,14],[15,14],[16,6]],"V":[[13,1],[14,2]]},"text":"<b>Zou Francesca op R11C8 kunnen zijn?</b> Dan wordt er gespeeld aan het blitzbord R10C8, haar tegenstander zit op R10C7 of R10C9, en rij 10 en kolom 8 zijn van hen. Haar official is Hermione (Irving is in de Analysekamer), die in de Blitzkamer moet zijn, weg van de borden, buiten rij 10, rij 11 (die van Francesca) en kolom 2: alleen de bank R9C4 blijft over – in kolom 4. Maar de borden van de Toernooizaal hebben kolom 4 nodig: R5C4 is het enige vakje aan de rijzijde van R5C3 (R5C2 ligt in kolom 2), R7C4 het enige vakje aan de kolomzijde van R8C4, en R5C8 heeft zojuist zijn enige vakje aan de kolomzijde, R6C8, aan kolom 8 verloren. Aan geen enkel bord van de Toernooizaal zou gespeeld kunnen worden – terwijl Adrian in de Toernooizaal aan een bord zit. Dus <b>Francesca is op R4C3 of R8C3</b>, in kolom 3 van de Toernooizaal, en Hermione is bij haar in de Toernooizaal. Kolom 3 is van Francesca: het blitzbord R10C3 verliest R9C3 en is leeg. In rij 13 blijft één bruikbaar vakje over, R13C1 (R13C3 ligt in kolom 3), dus Vladimir of zijn tegenstander is op R13C1 en de ander op R14C2, het enige bruikbare vakje van rij 14 (de vakjes in het Kantoor, de Lounge en de Binnenplaats passen bij niemand). Kolom 1 is van hen, dus Nicholas is in kolom 16 – en elk vakje van kolom 16 is voor hem gereserveerd. In rij 1 kan alleen Joanna zijn: R1C9–R1C12. Kevins stoel heeft op zijn diagonaal een vakje in de Analysekamer nodig dat niet naast het bord ligt: R2C9 (Irving op R5C12), R3C11 (R5C13 of R7C15), R3C13 (R4C14 of R5C15), R7C13 (R6C12, R5C15 of R8C14) of R8C10 (R6C12, R5C13 of R4C14); R2C11, R5C12, R6C7 en R8C8 hebben er geen."},{"place":[],"cand":{"A":[[5,4],[7,4]],"B":[[2,7],[3,6],[3,8],[4,7],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[7,14],[8,5],[13,1]],"C":[[3,6],[3,8],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[8,5],[10,7],[10,9],[13,1]],"D":[[5,14],[6,13],[6,15],[7,14],[10,7],[10,9],[11,8],[13,1],[14,2]],"E":[[2,7],[3,6],[3,8],[4,7],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[7,14],[8,5],[10,7],[10,9],[11,8],[13,1],[14,2]],"F":[[4,3],[8,3]],"G":[[3,6],[3,8],[4,7],[5,9],[5,14],[6,15],[8,5],[10,7],[10,9],[11,8],[13,1],[14,2]],"H":[[9,5],[9,6],[9,7],[9,9],[9,10]],"I":[[4,14],[5,12],[5,13],[5,15],[6,12],[7,15],[8,14]],"J":[[1,9],[1,10],[1,11],[1,12]],"K":[[2,9],[3,11],[3,13],[7,13],[8,10]],"L":[[2,5],[2,14],[3,5],[3,14],[3,15],[6,11],[7,9],[7,11],[8,9],[8,11],[8,14],[8,15]],"M":[[15,10],[16,9],[16,11]],"N":[[3,16],[5,16],[6,16],[7,16],[8,16],[10,16],[12,16],[15,16]],"O":[[2,9],[2,11],[3,11],[3,13],[5,12],[6,7],[7,13],[8,8],[8,10],[11,7],[12,13],[12,14],[15,14],[16,6]],"V":[[13,1],[14,2]]},"text":"Adrian is in de Toernooizaal naast een bord, buiten kolom 2 en 3: R5C4, R5C7, R5C9, R6C8, R7C4 of R8C5. <b>Niet aan het bord R5C8</b> (R5C7, R5C9 of R6C8): die partij zou kolom 8 innemen, en R11C8, het enige vakje aan de kolomzijde van het blitzbord R10C8, zou verloren gaan – R10C8 zou uitgesloten zijn. Dan zou rij 10 alleen Nicholas op R10C16 kunnen bevatten (R10C1 ligt in kolom 1, de andere vakjes van de rij passen bij niemand) en rij 11 alleen Ophelia op de kruk R11C7 – maar Ophelia heeft precies één rij ten noorden van haar een vrouw nodig, en Nicholas is een man. <b>Ook niet op R8C5:</b> zijn tegenstander zou op R7C4 zitten, het enige vakje aan de kolomzijde van R8C4, en kolom 4 innemen; Francesca zou niet op R8C3 kunnen zijn (rij 8 zou van Adrian zijn), dus zou ze op R4C3 zijn, aan het bord R5C3, waarvan het enige vakje aan de rijzijde, R5C4, in kolom 4 ligt – niemand zou tegenover haar kunnen zitten. Dus <b>Adrian is op R5C4 of R7C4</b>, kolom 4 is van hem, en Adrian en Francesca zijn tegenstanders: ofwel aan R5C3 (Adrian R5C4, Francesca R4C3) ofwel aan R8C4 (Adrian R7C4, Francesca R8C3), want het andere van de twee borden zou ook kolom 4 nodig hebben. Rij 9 kan alleen door Hermione gevuld worden – haar vakjes in de Blitzkamer liggen in kolom 2, 3 en 4, haar vakjes in de Toernooizaal en de Trofeeënkamer passen bij niemand anders –, dus <b>Hermione is in rij 9</b>, R9C5–R9C10. Niet op R9C8 echter: kolom 8 zou het bord R10C8 weer doden en Ophelia op de kruk zonder vrouw boven haar laten."},{"place":[],"cand":{"A":[[5,4],[7,4]],"B":[[2,7],[3,6],[3,8],[4,7],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[7,14],[8,5],[13,1]],"C":[[3,6],[3,8],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[8,5],[10,7],[10,9],[13,1]],"D":[[5,14],[6,13],[6,15],[7,14],[10,7],[10,9],[11,8],[13,1],[14,2]],"E":[[2,7],[3,6],[3,8],[4,7],[5,7],[5,9],[5,14],[6,8],[6,13],[6,15],[7,14],[8,5],[10,7],[10,9],[11,8],[13,1],[14,2]],"F":[[4,3],[8,3]],"G":[[3,6],[3,8],[4,7],[5,9],[5,14],[6,15],[8,5],[10,7],[10,9],[11,8],[13,1],[14,2]],"H":[[9,5],[9,6],[9,7],[9,9],[9,10]],"I":[[4,14],[5,12],[5,13],[5,15],[6,12],[7,15],[8,14]],"J":[[1,9],[1,10],[1,11],[1,12]],"K":[[7,13]],"L":[[2,5],[2,14],[3,5],[3,14],[3,15],[6,11],[7,9],[7,11],[8,9],[8,11],[8,14],[8,15]],"M":[[15,10],[16,9],[16,11]],"N":[[3,16],[5,16],[6,16],[7,16],[8,16],[10,16],[12,16],[15,16]],"O":[[2,9],[2,11],[3,11],[3,13],[5,12],[6,7],[7,13],[8,8],[8,10],[11,7],[12,13],[12,14],[15,14],[16,6]],"V":[[13,1],[14,2]]},"text":"<b>Kevins stoel.</b> <b>R2C9?</b> Irving is op R5C12 en neemt rij 5, dus Adrian is op R7C4 en Francesca op R8C3; R5C3 en R5C8 zijn uitgesloten (kolom 4, rij 5), het bord van de Analysekamer ook (zijn vakjes aan de kolomzijde, R5C14 en R7C14, liggen in rij 5 en 7), dus de partijen in het Café en in de Blitzkamer worden allebei gespeeld, en de speler aan de rijzijde van het bord in het Café neemt rij 3. Lena heeft een hoek nodig in een rij met een stoel: rij 2 (Kevin), 3, 5, 7 en 8 zijn bezet, en rij 6 heeft geen hoekvakje – onmogelijk. <b>R3C11?</b> Irving is op R5C13 of R7C15, dus Irving en Adrian delen rij 5 en 7 onderling; R5C8 (rij 5), het bord van de Analysekamer (rij 5 en 7) en het bord in het Café (rij 3 is van Kevin) zijn uitgesloten, er blijven R5C3, R8C4 en R10C8 over voor drie partijen – maar R5C3 en R8C4 hebben allebei kolom 4 nodig (R5C4, R7C4). <b>R3C13?</b> Rij 3 doodt het bord in het Café, en Irving – op R4C14 (kolom 14) of R5C15 (kolom 15, kolom 13 is van Kevin) – doodt het bord van de Analysekamer; Adrian en Francesca gebruiken een van R5C3/R8C4, en R5C8 en R10C8 delen kolom 8 (R6C8, R11C8), dus slechts drie partijen zijn mogelijk. <b>R8C10?</b> Rij 8 zet Francesca op R4C3 en Adrian op R5C4 (rij 4–5, kolom 3–4); Irving is op R6C12 (R5C13 en R4C14 liggen in rij 5 en 4) en doodt de rijzijde van het bord van de Analysekamer; R5C8, R8C4 en R10C3 zijn uitgesloten, dus de partijen in het Café en in de Blitzkamer worden gespeeld, met de speler van het Café aan de kolomzijde op R2C7 (R4C7 ligt in rij 4). Lena's rij 2, 3, 5, 6 en 8 zijn op; in rij 7 is haar enige hoek R7C11, kolom 11, dus Miriam is op R16C9 (R15C10 ligt in Kevins kolom), kolom 9 – en de blitzspeler aan de rijzijde zou op R10C7 moeten zitten, in kolom 7, samen met de Café-speler op R2C7. Tegenspraak. <b>Kevin is op R7C13.</b>"},{"place":["K","A","F","I","L","M","J","H"],"cand":{"B":[[2,7],[3,6],[13,1]],"C":[[3,6],[10,9],[13,1]],"D":[[10,9],[11,8],[13,1],[14,2]],"E":[[2,7],[3,6],[10,9],[11,8],[13,1],[14,2]],"G":[[3,6],[10,9],[11,8],[13,1],[14,2]],"N":[[12,16],[15,16]],"O":[[12,14],[15,14]],"V":[[13,1],[14,2]]},"text":"Kevin neemt rij 7, dus <b>Adrian is op R5C4 en Francesca op R4C3</b>, hun partij aan R5C3: rij 4–5 en kolom 3–4 zijn van hen, R8C4 en R5C8 zijn uitgesloten. Irving, op Kevins diagonaal, is op R6C12, R8C14 of R5C15; R5C15 ligt in rij 5, en het bord van de Analysekamer is hoe dan ook uitgesloten – zijn vakjes aan de kolomzijde, R5C14 en R7C14, liggen in de rijen van Adrian en Kevin. De vier partijen zijn dus: de Bibliotheek, R5C3, het Café-bord R3C7 en het blitzbord R10C8. De speler van het Café aan de kolomzijde zit op R2C7 (R4C7 ligt in rij 4), de blitzspeler aan de kolomzijde op R11C8 – R3C8 valt af en de speler van het Café aan de rijzijde is op R3C6 –, en de blitzspeler aan de rijzijde op R10C9 (R10C7 ligt in de kolom van R2C7). Rij 12, 15 en 16 kunnen alleen door Miriam, Nicholas en Ophelia gebruikt worden, dus die zijn van hen: rij 6 is van Irving, <b>Irving is op R6C12</b>. Het enige bruikbare vakje van kolom 15 is Lena's hoek R8C15: <b>Lena is op R8C15</b>. Rij 16 is van Miriam op <b>R16C11</b> (R16C9 ligt in kolom 9, en op de bank R16C6 zou Ophelia een vrouw in rij 15 nodig hebben), dus <b>Joanna is op R1C10</b> (kolom 9, 11 en 12 zijn bezet) en <b>Hermione op R9C5</b> (kolom 6–10 zijn op en R9C8 is weerlegd). Nicholas is op R12C16 of R15C16, Ophelia op de sofa R12C14 of de bank R15C14."},{"place":["O","N","D","V","C"],"cand":{"B":[[2,7],[3,6]],"E":[[2,7],[3,6],[11,8]],"G":[[3,6],[11,8]]},"text":"Over: Bernadette (R2C7, R3C6 of R13C1), Casimir (R3C6, R10C9, R13C1), Denise (R10C9, R11C8, R13C1, R14C2), Emmett en Gerald, Nicholas, Ophelia en Vladimir (R13C1 of R14C2). <b>Zou Denise op R11C8 kunnen zijn?</b> Ze is alleen met een man: haar tegenstander op R10C9 is een man en verder is niemand in de Blitzkamer – niet Casimir (zijn tegenstander moet een man zijn), niet Emmett (hij heeft een man in zijn kamer nodig), dus Gerald. Gerald is ten zuiden van Bernadette, dus Bernadette is in het Café, en de tweede speler van de Bibliotheek is Casimir of Emmett. Ophelia heeft een vrouw één rij ten noorden van haar nodig: niet op de bank R15C14 (in rij 14 zou Vladimir of een man zijn), dus op de sofa R12C14, met Nicholas op R15C16. Casimir kan niet tegen Bernadette spelen, dus hij is in de Bibliotheek en Emmett in het Café – waar alleen Bernadette en Joanna bij hem zijn: geen man. Tegenspraak, <b>Denise is niet op R11C8</b>, en R11C8 is van Emmett of Gerald, beiden mannen. Ophelia op de sofa zou een vrouw in rij 11 nodig hebben, waarvan het enige bruikbare vakje R11C8 is – dus <b>Ophelia is op de bank R15C14</b> en <b>Nicholas op R12C16</b>. De vrouw één rij ten noorden van Ophelia is op R14C2, het enige bruikbare vakje van rij 14: niet Bernadette (Gerald zou niet ten zuiden van haar kunnen zijn), dus <b>Denise is op R14C2</b>, <b>Vladimir op R13C1</b>, en Denise, alleen met hem aan het bord van de Bibliotheek, is zijn tegenstander. Bernadette is aan het bord in het Café (R13C1 is bezet), dus Casimir kan niet tegenover haar zitten: <b>Casimir is op R10C9</b>."},{"place":["B","G","E"],"cand":{},"text":"Bernadette zit op R2C7 of R3C6, haar tegenstander – Emmett of Gerald – op het andere vakje; Emmett en Gerald delen ook R11C8, de tegenstander van Casimir. <b>Zou Bernadette op R3C6 kunnen zijn?</b> Dan is haar tegenstander op R2C7, ten noorden van haar – niet Gerald, die ten zuiden van Bernadette is –, dus Emmett, die een man in zijn kamer nodig heeft: het Café zou Bernadette, Joanna en hemzelf bevatten. Tegenspraak. <b>Bernadette is op R2C7</b>; ook Emmett kan niet tegenover haar zitten (er zou geen man bij hem zijn), dus <b>Gerald is op R3C6</b> – ten zuiden van Bernadette, naast geen stoel – en <b>Emmett op R11C8</b>, tegenover Casimir, de man die bij hem is. Iedereen is geplaatst."},{"final":true,"text":"Zaak gesloten: aan het eerste bord in de Bibliotheek speelde Vladimir tegen Denise, de correspondentiekampioene – alleen met hem toen de klokken werden stilgezet. <b>Denise is de moordenaar!</b>"}],"solver":{"rules":[{"type":"obj_pairs","obj":"chessboard","pairs":4}],"occupiable":["chair","stool","bench","armchair","sofa"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-24"}}