{"format":"murdoku-puzzle/1","id":"tennis","version":1,"difficulty":"hard","level":8,"size":{"rows":12,"cols":12},"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":"Mixed Doubles","tagline":"A tennis club · the evening of the final · the pairs speak with one voice","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-29","story":"The evening of the mixed-doubles final at the Lindenpark Tennis Club. Five pairs played the tournament under the eyes of Katya, the club’s coach, and they are so used to each other that they even gave some of their sentences together. Shortly after the last rally Valerio, the club president, was found dead in his Office, beside his desk. Eleven people were at the club: the five pairs and the coach. One of them is the killer. Read every statement, find everyone’s square on the plan and unmask the murderer – alone with Valerio in the Office.","rules":{"standard":["Every <b>row</b> and every <b>column</b> holds exactly <b>one person</b>. As soon as you place someone, cross out their whole row and column.","<b>“Beside”</b> = directly left, right, above or below, and <b>in the same area</b>. Squares with objects (the nets, the ball baskets, the ball machine, the court roller, the scoreboard, the flower boxes, the parasols, the tables, the counters, the trophies, the lockers, the shower, the racket stands, the desk) cannot be occupied; the seats – the grandstand seats, the benches, the chairs, the bar stool and the umpire’s chair – can. A <b>corner</b> of an area is a square of that area that borders the outside (another area or the edge of the board) on one horizontal and one vertical side.","<i>“A net was somewhere in her row”</i> = a net stands on one of the squares of her row, in any area; the same goes for columns.","Directions refer to rows and columns, not to the same line: <i>“exactly one row north of her was a woman”</i> = the person in the row directly above is a woman, in any column.","The murderer was <b>alone with the victim</b>: nobody else was in that area."],"special":["<b>In the pairs’ joint sentences, “one of them” means exactly one of the two.</b>"]},"roleNames":{"player":"player","staff":"club","victim":"victim"},"personGroups":[{"id":"pair1","name":"Annabel & Benoit","persons":["A","B"]},{"id":"pair2","name":"Carlos & Dalia","persons":["C","D"]},{"id":"pair3","name":"Estelle & Felipe","persons":["E","F"]},{"id":"pair4","name":"Goran & Hermine","persons":["G","H"]},{"id":"pair5","name":"Irina & 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A <b>ball basket</b> was somewhere in the <b>row</b> of <b>one of them</b>.","job":"defending champion","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Benoit\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 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=\"#3a2a1c\"/><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=\"#3a2a1c\"/></svg>","solverRole":"player","constraints":[{"type":"area_has","obj":"ballmachine"}]},{"id":"C","name":"Carlos","gender":"M","role":"player","color":"#1565c0","avatar":{"bg":"#5a2a3a","skin":"#d9a57a","hair":"#1c1a1a","style":"slick","shirt":"#1565c0","mustache":true,"mustacheColor":"#1c1a1a"},"clue":"He was in the <b>last row</b>. A <b>ball basket</b> was somewhere in the <b>column</b> of <b>one of them</b>.","job":"finalist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Carlos\"><rect width=\"80\" height=\"80\" fill=\"#5a2a3a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#1565c0\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#d9a57a\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#d9a57a\"/><path d=\"M26 30 Q27 16 44 15 Q56 15 55 26 Q48 22 40 23 Q30 24 26 30 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=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#1c1a1a\"/></svg>","solverRole":"player","constraints":[{"type":"pair_one","q":"D","atom":{"type":"col_has","obj":"ballbasket"}},{"type":"row","rows":[12]}]},{"id":"D","name":"Dalia","gender":"F","role":"player","color":"#6a1b9a","avatar":{"bg":"#6e2c4b","skin":"#e4b998","hair":"#1c1a1a","style":"long","shirt":"#f2a53a","earrings":true},"clue":"She was in a <b>corner of her area</b>. A <b>ball basket</b> was somewhere in the <b>column</b> of <b>one of them</b>.","job":"finalist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Dalia\"><rect width=\"80\" height=\"80\" fill=\"#6e2c4b\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#1c1a1a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#f2a53a\"/><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=\"26\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/><circle cx=\"54\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/></svg>","solverRole":"player","constraints":[{"type":"corner_of_area"}]},{"id":"E","name":"Estelle","gender":"F","role":"player","color":"#e65100","avatar":{"bg":"#7a5a2c","skin":"#f0cdb0","hair":"#b7482c","style":"bob","shirt":"#e8f0e0","headband":"#2e7d32"},"clue":"She was in the <b>Shop</b>.","job":"semi-finalist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Estelle\"><rect width=\"80\" height=\"80\" fill=\"#7a5a2c\"/><path d=\"M22 40 Q22 14 40 14 Q58 14 58 40 L58 58 L22 58 Z\" fill=\"#b7482c\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e8f0e0\"/><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=\"#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\"/><rect x=\"26\" y=\"23\" width=\"28\" height=\"5\" rx=\"2\" fill=\"#2e7d32\"/></svg>","solverRole":"player","constraints":[{"type":"area","areas":["Shop"]}]},{"id":"F","name":"Felipe","gender":"M","role":"player","color":"#00838f","avatar":{"bg":"#1b2a33","skin":"#d9a57a","hair":"#5a3a22","style":"short","shirt":"#00838f","headband":"#f4efe6","beard":true},"clue":"He was the <b>only man</b> beside a <b>counter</b>.","job":"semi-finalist","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Felipe\"><rect width=\"80\" height=\"80\" fill=\"#1b2a33\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#00838f\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#d9a57a\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#d9a57a\"/><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\"/><path d=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#5a3a22\"/><rect x=\"26\" y=\"23\" width=\"28\" height=\"5\" rx=\"2\" fill=\"#f4efe6\"/></svg>","solverRole":"player","constraints":[{"type":"only_beside","obj":"counter","gender":"M"}]},{"id":"G","name":"Goran","gender":"M","role":"player","color":"#ad1457","avatar":{"bg":"#3d5a6e","skin":"#f1c8a5","hair":"#8a8278","style":"bald","shirt":"#264653","beard":true},"clue":"He was <b>with Dalia</b>. He was <b>sitting on a seat</b> (a <b>bench</b>, a <b>chair</b>, a <b>grandstand seat</b>, the <b>bar stool</b> or the <b>umpire’s chair</b>).","job":"newcomer to the club","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Goran\"><rect width=\"80\" height=\"80\" fill=\"#3d5a6e\"/><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 30 Q26 22 30 20 L30 34 Q26 34 26 30 Z\" fill=\"#8a8278\"/><path d=\"M54 30 Q54 22 50 20 L50 34 Q54 34 54 30 Z\" fill=\"#8a8278\"/><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=\"#8a8278\"/></svg>","solverRole":"player","constraints":[{"type":"with","q":"D"},{"type":"on_any","objs":["bench","chair","seat","stool","umpirechair"]}]},{"id":"H","name":"Hermine","gender":"F","role":"player","color":"#5d4037","avatar":{"bg":"#8c3a5a","skin":"#f6d8c0","hair":"#6b4a2f","style":"bun","shirt":"#e0b050","necklace":true},"clue":"She was <b>sitting on a seat</b> (a <b>bench</b>, a <b>chair</b>, a <b>grandstand seat</b>, the <b>bar stool</b> or the <b>umpire’s chair</b>).","job":"newcomer to the club","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Hermine\"><rect width=\"80\" height=\"80\" fill=\"#8c3a5a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e0b050\"/><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\"/><circle cx=\"40\" cy=\"15\" r=\"7\" fill=\"#6b4a2f\"/><path d=\"M26 32 Q26 16 40 16 Q54 16 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#6b4a2f\"/><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":"on_any","objs":["bench","chair","seat","stool","umpirechair"]}]},{"id":"I","name":"Irina","gender":"F","role":"player","color":"#558b2f","avatar":{"bg":"#5b2c6f","skin":"#f0cdb0","hair":"#c9c3b8","style":"bob","shirt":"#b7482c","glasses":true,"earrings":true},"clue":"She was on the <b>Centre Court</b>. <b>One of them</b> was sitting on a <b>bench</b>.","job":"veteran of the club","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Irina\"><rect width=\"80\" height=\"80\" fill=\"#5b2c6f\"/><path d=\"M22 40 Q22 14 40 14 Q58 14 58 40 L58 58 L22 58 Z\" fill=\"#c9c3b8\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#b7482c\"/><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=\"#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\"/><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":"pair_one","q":"J","atom":{"type":"on","obj":"bench"}},{"type":"area","areas":["Centre Court"]}]},{"id":"J","name":"Jannik","gender":"M","role":"player","color":"#283593","avatar":{"bg":"#2f4858","skin":"#e4b998","hair":"#b7482c","style":"short","shirt":"#f4efe6","headband":"#283593","mustache":true,"mustacheColor":"#b7482c"},"clue":"A <b>ball basket</b> was somewhere in his <b>column</b>. <b>One of them</b> was sitting on a <b>bench</b>.","job":"veteran of the club","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Jannik\"><rect width=\"80\" height=\"80\" fill=\"#2f4858\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#f4efe6\"/><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 32 Q26 15 40 15 Q54 15 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\"/><path d=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#b7482c\"/><rect x=\"26\" y=\"23\" width=\"28\" height=\"5\" rx=\"2\" fill=\"#283593\"/></svg>","solverRole":"player","constraints":[{"type":"col_has","obj":"ballbasket"}]},{"id":"K","name":"Katya","gender":"F","role":"staff","color":"#455a64","avatar":{"bg":"#35607a","skin":"#f1c8a5","hair":"#3a2a1c","style":"ponytail","shirt":"#c62828","whistle":true,"cap":true},"clue":"<b>Exactly one row north</b> of her was a <b>woman</b>. She was in the <b>last column</b>.","job":"the coach","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Katya\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#3a2a1c\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#c62828\"/><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 33 Q26 16 40 16 Q54 16 54 33 Q50 24 40 24 Q30 24 26 33 Z\" fill=\"#3a2a1c\"/><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 24 Q24 11 40 11 Q56 11 56 24 Z\" fill=\"#22406f\"/><rect x=\"22\" y=\"22\" width=\"36\" height=\"5\" rx=\"2\" fill=\"#12213a\"/><circle cx=\"40\" cy=\"18\" r=\"2.6\" fill=\"#f0b429\"/><path d=\"M33 56 Q40 68 47 56\" fill=\"none\" stroke=\"#c9302c\" stroke-width=\"1.6\"/><rect x=\"37\" y=\"66\" width=\"7\" height=\"5\" rx=\"1.5\" fill=\"#e0b040\" stroke=\"#7a5a12\" stroke-width=\".8\"/></svg>","solverRole":"staff","constraints":[{"type":"rel_any","dir":"N","exact":1,"gender":"F"},{"type":"col","cols":[12]}]},{"id":"V","name":"Valerio","gender":"M","role":"victim","color":"#1b1b1b","avatar":{"bg":"#5a2a2a","skin":"#e4b998","hair":"#e8e4dc","style":"slick","shirt":"#1b1b1b","mustache":true,"mustacheColor":"#e8e4dc","glasses":true},"clue":"<b>The victim.</b> He was found in the <b>Office</b>, beside the <b>desk</b> – alone with the murderer.","job":"the club president","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Valerio\"><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=\"#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=\"#e8e4dc\"/><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=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#e8e4dc\"/><path d=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"staff","constraints":[{"type":"area","areas":["Office"]},{"type":"beside","obj":"desk"}]}],"victim":"V","murderer":"C","solution":{"G":[1,6],"I":[2,3],"K":[3,12],"A":[4,7],"D":[5,1],"B":[6,11],"H":[7,5],"E":[8,9],"F":[9,4],"J":[10,2],"V":[11,8],"C":[12,10]},"walkthrough":[{"place":[],"cand":{"B":[[6,10],[6,11]],"C":[[12,1],[12,2],[12,3],[12,6],[12,8],[12,9],[12,10],[12,11]],"K":[[2,12],[3,12],[4,12],[9,12],[11,12]],"E":[[8,9],[8,10],[8,11],[9,11],[10,11],[11,11]],"F":[[8,6],[8,10],[9,4],[9,5],[9,11]],"V":[[9,8],[10,7],[10,10],[11,8],[11,9]],"D":[[2,2],[4,9],[5,1],[5,8],[8,3],[8,7],[8,8],[9,3],[9,7],[10,3],[11,3]],"G":[[1,2],[1,4],[1,6],[3,1],[3,7],[3,8],[4,7],[5,7],[7,5],[10,2],[11,6]]},"text":"Valerio was found beside the desk in the Office: he is on one of the five squares around it – R9C8, R10C7, R10C10, R11C8 or R11C9 – and the Office holds exactly two people, him and the murderer. Annabel has a net in her row: rows 4 and 5. Neither row holds a ball basket (the baskets are in rows 1, 6 and 12), so in the joint sentence of Annabel and Benoit <b>Benoit</b> is the one with a ball basket in his row; the ball machine puts him on Court 2, whose only basket row is row 6: row 6 is Benoit’s. Carlos owns row 12, Katya column 12, so Benoit is at R6C10 or R6C11. Katya needs a woman exactly one row north of her: R7C12 is out (the row above is Benoit’s), which leaves R2C12, R3C12, R4C12, R9C12 and R11C12. Estelle has six squares in the Shop; Felipe, the only man beside a counter, is at the bar (R8C6, R9C4, R9C5) or at the shop counter (R8C10, R9C11) – and no other man may be beside a counter. Goran was sitting and was with Dalia: their area has a seat. It is not the Office (with Valerio they would be three), and Dalia needs a corner that leaves Goran a seat of the same area outside her row and column: R2C2 on the Centre Court, R5C1 or R5C8 in the Stands, R4C9, R8C3, R8C7 or R8C8 on the Terrace, R9C3 or R11C3 in the Locker Room, R9C7 or R10C3 in the Clubhouse."},{"place":[],"cand":{"C":[[12,2],[12,10]],"J":[[1,2],[2,2],[2,10],[3,2],[3,10],[4,2],[4,10],[5,2],[7,10],[8,2],[9,2],[10,2],[10,10],[11,2],[11,10]],"D":[[4,9],[5,1],[5,8],[8,3],[8,7],[8,8],[9,3],[9,7],[10,3],[11,3]],"B":[[6,11]],"E":[[8,9],[8,11],[9,11],[10,11],[11,11]]},"text":"The joint sentence of Carlos and Dalia: one of them had a ball basket in their column – columns 2, 10 and 12. <b>Suppose it was Dalia.</b> Column 12 is Katya’s, and of Dalia’s squares only R2C2 lies in column 2 or 10: she is on the Centre Court, and Goran is with her on a seat of the court – R3C7, R4C7 or R5C7, so column 7 is his. Jannik has a ball basket in his column too; column 2 is taken, so he is in column 10, and Benoit moves to R6C11. Now look at the rows. Row 1 can only be Hermine’s (the seats R1C4 and R1C6), so row 7 – open only to Hermine’s chair R7C5 and Jannik’s R7C10 – is Jannik’s. Then nobody is left for row 10: Valerio’s R10C7 and R10C10 lie in Goran’s and Jannik’s columns, Estelle’s R10C11 in Benoit’s, and the bench R10C2 in Dalia’s. A contradiction – so <b>Carlos</b> is the one with the ball basket in his column: R12C2 or R12C10 (R12C12 is the basket itself), and Dalia is not in column 2 or 10: R2C2 is out. Jannik is in column 2 or 10 as well, so these two columns belong to Carlos and Jannik – nobody else can be there."},{"place":["B","E"],"cand":{"C":[[12,2],[12,10]],"F":[[9,4],[9,5]],"V":[[10,7],[11,8]],"D":[[5,1],[5,8],[10,3]],"G":[[1,4],[1,6],[3,1],[3,8],[11,6]],"K":[[2,12],[3,12],[4,12],[11,12]]},"text":"Benoit cannot be in column 10: <b>Benoit is at R6C11</b>. Estelle loses R8C10 (column 10) and every square of column 11: <b>Estelle is at R8C9</b>. Felipe loses R8C6 (Estelle’s row), R8C10 and R9C11: he is at the bar, R9C4 or R9C5 – row 9 is his. Valerio loses R9C8 (row 9), R10C10 (column 10) and R11C9 (Estelle’s column): R10C7 or R11C8. Dalia loses the Terrace (R4C9 is in Estelle’s column, R8C3, R8C7 and R8C8 in her row), R9C3 and R9C7 (Felipe’s row), and R11C3: the benches of the Locker Room are in column 2 – no seat for Goran. She keeps R5C1 and R5C8 in the Stands and R10C3 in the Clubhouse; Goran is on a grandstand seat (R1C4, R1C6, R3C1, R3C8) or on the Clubhouse chair R11C6."},{"place":["H","F"],"cand":{"J":[[3,10],[10,2]],"G":[[1,6],[3,1],[3,8],[11,6]],"D":[[5,1],[5,8],[10,3]],"C":[[12,2],[12,10]],"V":[[10,7],[11,8]]},"text":"The joint sentence of Irina and Jannik: one of them was sitting on a bench. <b>Suppose it was Irina.</b> The benches of the Centre Court are R3C7 and R5C7, so column 7 would be hers and Valerio would be at R11C8. Who is then in column 3? Annabel cannot be at R5C3 (that square would take row 5 and column 3, and with them all three squares of Dalia), Irina is in column 7, so only Dalia is left: R10C3 in the Clubhouse – with Goran on the chair R11C6, in Valerio’s row. A contradiction – so <b>Jannik</b> is the one on a bench: R3C10 or R10C2 (R12C2 is in Carlos’s row), and Irina is not on a bench. Row 7 is now open to one person only: <b>Hermine is at R7C5</b>, on the Terrace chair. Column 5 is hers, so <b>Felipe is at R9C4</b>."},{"place":["G","C"],"cand":{"J":[[10,2]],"V":[[10,7],[11,8]],"D":[[5,1],[5,8]],"A":[[4,1],[4,7],[4,8],[5,1],[5,7],[5,8]],"K":[[2,12],[3,12],[4,12],[11,12]]},"text":"Row 1 can only be Goran’s now (Hermine is placed, Jannik is on a bench), and R1C4 is in Felipe’s column: <b>Goran is at R1C6</b>, in the Stands – so Dalia is in the Stands too, at R5C1 or R5C8: row 5 is hers. Who was with Valerio in the Office? Everybody else’s remaining squares lie elsewhere – only Carlos still has a square there, R12C10 (his R12C2 is in the Locker Room). The Office needs a second person: <b>Carlos is at R12C10</b> – alone with Valerio."},{"place":["J","V","D"],"cand":{"A":[[4,7]],"K":[[2,12],[3,12],[4,12]],"I":[[2,3],[2,7],[3,3],[4,7]]},"text":"Column 10 is Carlos’s, so <b>Jannik is at R10C2</b>, on the Locker Room bench. Row 10 is Jannik’s, so <b>Valerio is at R11C8</b>, in his own chair. Column 8 is Valerio’s, so <b>Dalia is at R5C1</b>."},{"place":["A","K","I"],"text":"Annabel: row 5 is Dalia’s, so she is in row 4; R4C1 is in Dalia’s column, R4C8 in Valerio’s: <b>Annabel is at R4C7</b>, in the umpire’s chair. Katya has R2C12, R3C12 and R4C12 left (R11C12 is in Valerio’s row); R4C12 is in Annabel’s row, and at R2C12 the row north of her would be Goran’s – a man. <b>Katya is at R3C12</b>, and the woman in row 2 is Irina: column 7 is Annabel’s, so <b>Irina is at R2C3</b>."},{"final":true,"text":"Case closed: all three joint sentences are settled – Benoit had the ball basket in his row, Carlos in his column, Jannik sat on the bench – and Carlos was alone with Valerio in the Office. <b>Carlos is the murderer!</b>"}],"solver":{"rules":[{"type":"pairs","pairs":[["A","B"],["C","D"],["E","F"],["G","H"],["I","J"]]}],"occupiable":["bench","chair","seat","stool","umpirechair"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-29"}}