{"format":"murdoku-puzzle/1","id":"musicschool","version":1,"difficulty":"very-easy","level":2,"size":{"rows":6,"cols":6},"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":"Die Musikschule","tagline":"Eine Musikschule am See · ein Maiabend 1978 · das Frühjahrskonzert","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-09-29","story":"Eine Musikschule in einer kleinen Stadt am See, am Abend des Frühjahrskonzerts im Mai 1978. Oben wärmte sich der Chor auf, im Streicherzimmer roch es nach Kolophonium, und eine nervöse Klavierschülerin wartete darauf, an die Reihe zu kommen. Vadim, der Direktor, hatte den Lehrern am Nachmittag mitgeteilt, dass sich die Schule im nächsten Jahr nur noch einen von ihnen leisten könne – und dass er seine Wahl bereits getroffen habe. In der Pause wurde er tot im Schlagzeugraum gefunden, neben der Pauke. Fünf Personen waren in seiner Nähe, und jede gab eine kurze Aussage ab – finde die Person, die allein mit ihm war.","rules":{"standard":["In jeder <b>Zeile</b> und jeder <b>Spalte</b> ist genau <b>eine Person</b>. Sobald du jemanden platzierst, streiche seine ganze Zeile und Spalte durch.","<b>„Neben“</b> = direkt links, rechts, darüber oder darunter, und <b>im selben Bereich</b>. Felder mit Gegenständen (das Klavier, die Harfe, die Topfpflanze, der Notenständer, der Kontrabass, das Schlagzeug und die Pauke) können nicht besetzt werden; die Hocker, die Bank und die Stühle schon.","Der Mörder war <b>allein mit dem Opfer</b>: Niemand sonst war in diesem Bereich."],"special":[]},"roleNames":{"teacher":"Lehrer","student":"Schüler","victim":"Opfer"},"personGroups":[{"id":"teachers","name":"Die Lehrer","persons":["A","B","V"]},{"id":"students","name":"Die Schüler","persons":["C","D","E"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Piano Room","cells":[[1,1],[1,2],[1,3],[2,1],[2,2]],"fill":"#efdcc8","pattern":"carpet","labelAt":[2,2],"name":"Klavierzimmer"},{"id":"Hallway","cells":[[1,4],[2,3],[2,4],[2,5],[3,4],[3,5],[4,5]],"fill":"#e6dccd","pattern":"planks","labelAt":[3,4],"name":"Flur"},{"id":"String Room","cells":[[1,5],[1,6],[2,6],[3,6]],"fill":"#eadfcb","pattern":"boards","labelAt":[2,6],"name":"Streicherzimmer"},{"id":"Choir Hall","cells":[[3,1],[3,2],[3,3],[4,1],[4,2],[4,3],[4,4],[5,1],[5,2],[5,3],[6,1],[6,2]],"fill":"#e9e4da","pattern":"boards","labelAt":[4,2],"name":"Chorsaal"},{"id":"Drum Room","cells":[[4,6],[5,4],[5,5],[5,6],[6,3],[6,4],[6,5],[6,6]],"fill":"#e3e9ec","pattern":"tiles","labelAt":[6,5],"name":"Schlagzeugraum"}],"objectTypes":{"bench":{"occupiable":true,"name":"Bank","icon":"<rect x=\"7\" y=\"8\" width=\"3.2\" height=\"31\" fill=\"#5e4127\"/><rect x=\"35.8\" y=\"8\" width=\"3.2\" height=\"31\" fill=\"#5e4127\"/><rect x=\"4\" y=\"8\" width=\"38\" height=\"6\" rx=\"1.5\" fill=\"#a5733f\" stroke=\"#4e3a1e\" stroke-width=\"1.3\"/><rect x=\"4\" y=\"17.5\" width=\"38\" height=\"6\" rx=\"1.5\" fill=\"#c08a50\" stroke=\"#6b4a26\" stroke-width=\"1.2\"/><rect x=\"4\" y=\"25\" width=\"38\" height=\"6\" rx=\"1.5\" fill=\"#c08a50\" stroke=\"#6b4a26\" stroke-width=\"1.2\"/><rect x=\"4\" y=\"32.5\" width=\"38\" height=\"6\" rx=\"1.5\" fill=\"#c08a50\" stroke=\"#6b4a26\" stroke-width=\"1.2\"/>"},"chair":{"occupiable":true,"name":"Stuhl","icon":"<rect x=\"9\" y=\"7\" width=\"28\" height=\"32\" rx=\"6\" fill=\"#fbfaf6\" stroke=\"#8c8a82\" stroke-width=\"1.5\"/><rect x=\"9\" y=\"7\" width=\"28\" height=\"9\" rx=\"4\" fill=\"#d9d5cc\" stroke=\"#8c8a82\" stroke-width=\"1.5\"/>"},"stool":{"occupiable":true,"name":"Hocker","icon":"<circle cx=\"23\" cy=\"23\" r=\"11\" fill=\"#fbfaf6\" stroke=\"#8c8a82\" stroke-width=\"1.5\"/><circle cx=\"23\" cy=\"23\" r=\"5\" fill=\"#d9d5cc\"/>"},"doublebass":{"occupiable":false,"name":"Kontrabass","icon":"<path d=\"M23 43 v2\" stroke=\"#6b7278\" stroke-width=\"1.6\"/><path d=\"M23 3 v18\" stroke=\"#3a2412\" stroke-width=\"3\" stroke-linecap=\"round\"/><path d=\"M20 1.5 h6 v4 h-6 z\" fill=\"#3a2412\"/><path d=\"M23 17 q-8 0 -8 6 q0 3 2.5 4.5 q-5.5 2 -5.5 8.5 q0 7 11 7 q11 0 11 -7 q0 -6.500 -5.500 -8.500 q2.500 -1.500 2.500 -4.500 q0 -6 -8 -6 z\" fill=\"#b5651d\" stroke=\"#5a2f0a\" stroke-width=\"1.4\" 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y=\"32\" width=\"18\" height=\"5\" fill=\"#f4efe6\"/><g fill=\"#1c1c1c\"><rect x=\"12\" y=\"32\" width=\"2\" height=\"3\"/><rect x=\"16\" y=\"32\" width=\"2\" height=\"3\"/><rect x=\"22\" y=\"32\" width=\"2\" height=\"3\"/></g>"},"plant":{"occupiable":false,"name":"Topfpflanze","icon":"<path d=\"M15 28 h16 l-2 12 h-12 z\" fill=\"#c2643a\" stroke=\"#7a3d20\" stroke-width=\"1.2\"/><ellipse cx=\"15\" cy=\"17\" rx=\"7\" ry=\"10\" fill=\"#3f8a4a\" transform=\"rotate(-30 15 17)\"/><ellipse cx=\"31\" cy=\"17\" rx=\"7\" ry=\"10\" fill=\"#3f8a4a\" transform=\"rotate(30 31 17)\"/><ellipse cx=\"23\" cy=\"13\" rx=\"6\" ry=\"11\" fill=\"#57a35e\"/>"},"stand":{"occupiable":false,"name":"Notenständer","icon":"<rect x=\"13\" y=\"6\" width=\"20\" height=\"16\" rx=\"2\" fill=\"#3d444b\" stroke=\"#161c25\"/><line x1=\"16\" y1=\"11\" x2=\"30\" y2=\"11\" stroke=\"#f4efe6\"/><line x1=\"16\" y1=\"16\" x2=\"30\" y2=\"16\" stroke=\"#f4efe6\"/><line x1=\"23\" y1=\"22\" x2=\"23\" y2=\"38\" stroke=\"#3d444b\" stroke-width=\"2.5\"/><path d=\"M14 42 l9 -6 l9 6\" fill=\"none\" stroke=\"#3d444b\" stroke-width=\"2.5\"/>"},"timpani":{"occupiable":false,"name":"Pauke","icon":"<ellipse cx=\"23\" cy=\"16\" rx=\"18\" ry=\"9\" fill=\"#e6cfa8\" stroke=\"#8a6a3a\" stroke-width=\"2\"/><path d=\"M5 16 q4 22 18 24 q14 -2 18 -24\" fill=\"#b3782f\" stroke=\"#7a4a12\" stroke-width=\"1.5\"/><line x1=\"10\" y1=\"6\" x2=\"20\" y2=\"13\" stroke=\"#5b5852\" stroke-width=\"2\"/><circle cx=\"9\" cy=\"5\" r=\"2.5\" fill=\"#f4efe6\" stroke=\"#5b5852\"/>"}},"wallTypes":{},"objects":[{"cell":[1,1],"type":"piano"},{"cell":[1,2],"type":"stool"},{"cell":[1,5],"type":"harp"},{"cell":[2,4],"type":"plant"},{"cell":[3,2],"type":"stand"},{"cell":[3,5],"type":"bench"},{"cell":[3,6],"type":"doublebass"},{"cell":[4,1],"type":"chair"},{"cell":[4,3],"type":"chair"},{"cell":[5,5],"type":"drumkit"},{"cell":[6,3],"type":"stool"},{"cell":[6,6],"type":"timpani"}],"wallFeatures":[],"extras":[],"cellSize":46},"persons":[{"id":"A","name":"Amadeo","gender":"M","role":"teacher","color":"#c62828","avatar":{"bg":"#35607a","skin":"#e7b98f","hair":"#1c1a1a","style":"slick","shirt":"#1b1b1b","beard":true},"clue":"Er war neben dem <b>Klavier</b>.","job":"der Klavierlehrer","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Amadeo\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><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=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><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=\"M27 38 Q30 52 40 53 Q50 52 53 38 Q50 47 40 48 Q30 47 27 38 Z\" fill=\"#1c1a1a\"/></svg>","solverRole":"teacher","constraints":[{"type":"beside","obj":"piano"}]},{"id":"B","name":"Birgitta","gender":"F","role":"teacher","color":"#2e7d32","avatar":{"bg":"#c62828","skin":"#f6d8c0","hair":"#d9b464","style":"ponytail","shirt":"#2f3b4c","earrings":true},"clue":"Sie war <b>nicht</b> neben dem <b>Schlagzeug</b>.","job":"die Schlagwerk-Lehrerin","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Birgitta\"><rect width=\"80\" height=\"80\" fill=\"#c62828\"/><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=\"#2f3b4c\"/><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=\"#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\"/><circle cx=\"26\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/><circle cx=\"54\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/></svg>","solverRole":"teacher","constraints":[{"type":"not_beside","obj":"drumkit"}]},{"id":"C","name":"Cornell","gender":"M","role":"student","color":"#1565c0","avatar":{"bg":"#2e7d32","skin":"#d9a57a","hair":"#3a2a1c","style":"short","shirt":"#f2a53a"},"clue":"Er war im <b>Flur</b>.","job":"ein Cello-Schüler","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Cornell\"><rect width=\"80\" height=\"80\" fill=\"#2e7d32\"/><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=\"#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=\"#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\"/></svg>","solverRole":"student","constraints":[{"type":"area","areas":["Hallway"]}]},{"id":"D","name":"Doreen","gender":"F","role":"student","color":"#6a1b9a","avatar":{"bg":"#ad1457","skin":"#f3d3b5","hair":"#7a4a2a","style":"long","shirt":"#e26d8a","headband":"#f4efe6"},"clue":"Sie saß auf einem <b>Stuhl</b>.","job":"eine junge Sopranistin des Chors","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Doreen\"><rect width=\"80\" height=\"80\" fill=\"#ad1457\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#7a4a2a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e26d8a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#f3d3b5\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#f3d3b5\"/><path d=\"M26 36 Q26 16 40 16 Q54 16 54 36 Q52 24 40 24 Q28 24 26 36 Z\" fill=\"#7a4a2a\"/><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=\"#f4efe6\"/></svg>","solverRole":"student","constraints":[{"type":"on","obj":"chair"}]},{"id":"E","name":"Evadne","gender":"F","role":"student","color":"#e65100","avatar":{"bg":"#6a1b9a","skin":"#f0cdb0","hair":"#1c1a1a","style":"bob","shirt":"#7fc4d8","glasses":true},"clue":"Sie war die <b>Einzige</b>, die auf einem <b>Hocker</b> saß.","job":"eine Klavierschülerin, die darauf wartete, an die Reihe zu kommen","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Evadne\"><rect width=\"80\" height=\"80\" fill=\"#6a1b9a\"/><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=\"#7fc4d8\"/><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=\"#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":"student","constraints":[{"type":"only_on","obj":"stool"}]},{"id":"V","name":"Vadim","gender":"M","role":"victim","color":"#1b1b1b","avatar":{"bg":"#5a2a2a","skin":"#f1c8a5","hair":"#8a8278","style":"bald","shirt":"#264653","beard":true,"glasses":true},"clue":"<b>Das Opfer.</b> Er wurde im <b>Schlagzeugraum</b> gefunden, neben der <b>Pauke</b> – allein mit dem Mörder.","job":"der Direktor der Musikschule","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Vadim\"><rect width=\"80\" height=\"80\" fill=\"#5a2a2a\"/><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\"/><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=\"#8a8278\"/><path d=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"teacher","constraints":[{"type":"area","areas":["Drum Room"]},{"type":"beside","obj":"timpani"}]}],"victim":"V","murderer":"B","solution":{"E":[1,2],"A":[2,1],"C":[3,5],"D":[4,3],"V":[5,6],"B":[6,4]},"walkthrough":[{"place":["A"],"cand":{"C":[[1,4],[3,4],[3,5],[4,5]],"D":[[4,3]],"E":[[1,2],[6,3]]},"text":"Amadeo war neben dem Klavier (R1C1). Seine Nachbarfelder sind R2C1 und R1C2 – und R1C2 ist ein Hocker. Evadne war die Einzige, die auf einem Hocker saß, also kann Amadeo nicht dort sein: <b>Amadeo ist auf R2C1</b>. Streiche Zeile 2 und Spalte 1."},{"place":["D","E"],"cand":{"C":[[3,4],[3,5]]},"text":"Doreen saß auf einem Stuhl. Die Stühle stehen auf R4C1 und R4C3, und Spalte 1 gehört Amadeo: <b>Doreen ist auf R4C3</b>. Evadne war die Einzige auf einem Hocker: Die Hocker stehen auf R1C2 und R6C3, und Spalte 3 gehört Doreen: <b>Evadne ist auf R1C2</b>."},{"place":["B","C"],"cand":{},"text":"Cornell war im Flur. Die Zeilen 1, 2 und 4 sind belegt, also bleiben nur R3C4 und R3C5 – beide in Zeile 3, die damit seine ist. Birgitta war nicht neben dem Schlagzeug. Für sie bleiben die Zeilen 5 und 6 und die Spalten 4, 5 und 6. R5C5 ist das Schlagzeug und R6C6 die Pauke; R5C4, R5C6 und R6C5 liegen direkt neben dem Schlagzeug im Schlagzeugraum. Nur R6C4 bleibt: <b>Birgitta ist auf R6C4</b>. Spalte 4 gehört nun ihr, also ist <b>Cornell auf R3C5</b>, auf der Bank im Flur."},{"final":true,"text":"Fall gelöst: Das letzte freie Feld, R5C6, gehört dem Opfer – im Schlagzeugraum, neben der Pauke, genau wie auf seiner Karte steht, auch wenn wir es nie gebraucht haben. Vadim war dort allein mit der Schlagwerk-Lehrerin. <b>Birgitta ist die Mörderin!</b>"}],"solver":{"rules":[],"occupiable":["bench","chair","stool"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-09-29"}}