{"format":"murdoku-puzzle/1","id":"derby-night","version":1,"difficulty":"hard","level":7,"size":{"rows":10,"cols":10},"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":"Đêm trước trận derby","tagline":"Nhà thi đấu bóng rổ ở Kaunas · đêm trước trận derby · sàn gỗ vừa được đánh bóng và nữ giám đốc đã biến mất","author":"mathace","concept":"Murdoku – Manuel Garand (murdoku.com); unofficial fan-made case","created":"2026-10-17","story":"Ở Kaunas, đêm trước trận derby ngày mai, nhà thi đấu không ngủ. Hai giờ sáng, không thấy Vaiva, giám đốc câu lạc bộ, đâu cả. Còn chín người trong tòa nhà: đội bóng và nhân viên nhà thi đấu, một nhà báo, nhà tài trợ và trọng tài trận derby. Vaiva được tìm thấy đã chết. Trận derby diễn ra mà không có cô.","rules":{"standard":["Mỗi <b>hàng</b> và mỗi <b>cột</b> có đúng <b>một người</b>. Ngay khi đặt ai đó, hãy gạch bỏ toàn bộ hàng và cột của người ấy.","<b>“Cạnh”</b> = ngay bên trái, bên phải, bên trên hoặc bên dưới, và <b>trong cùng một khu vực</b>. Các ô có đồ vật (tủ đồ, vòi sen, máy quay, bàn, kệ, cúp, máy bán hàng tự động, giỏ bóng, xe đẩy tay, cọc tiêu, chậu cây cảnh, ti vi, máy pha espresso, quầy, bức tượng và chòi bán vé) không thể ở; băng ghế, ghế tựa, bàn massage, ghế đẩu, ghế sofa và ghế bành thì được. Ghế bành không phải ghế tựa.","Phương hướng chỉ hàng và cột, không cần cùng một đường thẳng: <i>“đúng một hàng về phía bắc của anh ấy có một vị khách”</i> = người ở hàng ngay phía trên là khách, ở bất kỳ cột nào; <i>“người ở xa nhất về phía nam trong khu vực của cô ấy”</i> = không ai khác trong khu vực của cô ấy ở hàng thấp hơn.","Hung thủ <b>ở một mình với nạn nhân</b>: không có ai khác trong khu vực đó. Nạn nhân không đưa ra lời khai – ô của cô ấy cũng được suy ra từ những người khác."],"special":[],"notes":["Ghế bành không phải là ghế tựa."],"example":{}},"roleNames":{"team":"thành viên đội","staff":"nhân viên nhà thi đấu","guest":"khách","victim":"nạn nhân"},"personGroups":[{"id":"team","name":"Đội bóng","persons":["A","B","C"]},{"id":"staff","name":"Nhân viên nhà thi đấu","persons":["D","E","F","V"]},{"id":"guests","name":"Các vị khách","persons":["G","H","I"]}],"map":{"groups":[],"gaps":[],"areas":[{"id":"Home Locker Room","cells":[[1,1],[1,2],[1,3],[1,4],[2,1],[2,2],[3,1]],"fill":"#dfe9ee","pattern":"tiles","labelAt":[1,1.5],"name":"Phòng Thay Đồ Nhà"},{"id":"Press Room","cells":[[1,5],[1,6],[1,7],[1,8],[2,5],[2,6],[2,7],[3,7]],"fill":"#e6dcc8","pattern":"boards","labelAt":[1,5.5],"name":"Phòng Báo Chí"},{"id":"Away Locker Room","cells":[[1,9],[1,10],[2,8],[2,9],[2,10],[3,8],[3,9]],"fill":"#efd9c9","pattern":"marble","labelAt":[1,9.5],"name":"Phòng Thay Đồ Khách"},{"id":"Physio 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ấy ở cạnh <b>chòi bán vé</b>.","job":"chuyên viên vật lý trị liệu của đội","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Aistė\"><rect width=\"80\" height=\"80\" fill=\"#5b2c6f\"/><path d=\"M50 30 Q64 34 60 62 L54 62 Q56 40 48 36 Z\" fill=\"#2a1c14\"/><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=\"#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=\"#2a1c14\"/><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=\"#ffffff\"/></svg>","solverRole":"team","constraints":[{"type":"beside","obj":"booth"}]},{"id":"B","name":"Benediktas","gender":"M","role":"team","color":"#1565c0","avatar":{"bg":"#2f4858","skin":"#c98d62","hair":"#1c1a1a","style":"short","beard":true,"shirt":"#1565c0"},"clue":"Một người khác trong khu vực của anh ấy ở cạnh một <b>cọc tiêu</b>. Anh ấy ở cạnh một <b>băng ghế</b>.","job":"huấn luyện viên trưởng","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Benediktas\"><rect width=\"80\" height=\"80\" fill=\"#2f4858\"/><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=\"#c98d62\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#c98d62\"/><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\"/><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":"team","constraints":[{"type":"with_beside","obj":"cone"},{"type":"beside","obj":"bench"}]},{"id":"C","name":"Česlovas","gender":"M","role":"team","color":"#2e7d32","avatar":{"bg":"#1b2a33","skin":"#f1c8a5","hair":"#5a5a5a","style":"slick","mustache":true,"mustacheColor":"#5a5a5a","shirt":"#2e7d32"},"clue":"Anh ấy là <b>người ở xa nhất về phía nam trong khu vực của mình</b>.","job":"đội trưởng","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Česlovas\"><rect width=\"80\" height=\"80\" fill=\"#1b2a33\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#2e7d32\"/><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 Q27 16 44 15 Q56 15 55 26 Q48 22 40 23 Q30 24 26 30 Z\" fill=\"#5a5a5a\"/><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=\"#5a5a5a\"/></svg>","solverRole":"team","constraints":[{"type":"extreme_in_area","dir":"S"}]},{"id":"D","name":"Dalia","gender":"F","role":"staff","color":"#6a1b9a","avatar":{"bg":"#6e2c4b","skin":"#e7b98f","hair":"#1c1a1a","style":"bun","earrings":true,"shirt":"#6a1b9a"},"clue":"Có một <b>ghế tựa</b> ở đâu đó trong <b>cột</b> của cô ấy.","job":"quản lý nhà thi đấu","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=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#6a1b9a\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#e7b98f\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e7b98f\"/><circle cx=\"40\" cy=\"15\" r=\"7\" fill=\"#1c1a1a\"/><path d=\"M26 32 Q26 16 40 16 Q54 16 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\"/><circle cx=\"26\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/><circle cx=\"54\" cy=\"41\" r=\"1.8\" fill=\"#f0c95a\"/></svg>","solverRole":"staff","constraints":[{"type":"col_has","obj":"chair"}]},{"id":"E","name":"Eglė","gender":"F","role":"staff","color":"#e65100","avatar":{"bg":"#35607a","skin":"#f3d3b5","hair":"#d9b464","style":"long","necklace":true,"shirt":"#e65100"},"clue":"Cô ấy ở cạnh một <b>ghế đẩu</b>.","job":"người điều khiển bảng điểm","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Eglė\"><rect width=\"80\" height=\"80\" fill=\"#35607a\"/><path d=\"M22 42 Q20 14 40 14 Q60 14 58 42 L62 72 L18 72 Z\" fill=\"#d9b464\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#e65100\"/><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=\"#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=\"#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":"beside","obj":"stool"}]},{"id":"F","name":"Faustas","gender":"M","role":"staff","color":"#00838f","avatar":{"bg":"#3d5a6e","skin":"#e9bf9b","hair":"#2a1c14","style":"short","cap":true,"beard":true,"shirt":"#00838f"},"clue":"Anh ấy là <b>người đàn ông duy nhất</b> ở cạnh <b>cúp</b>. <b>Chòi bán vé</b> ở đâu đó trong <b>cột</b> của anh ấy.","job":"người trông coi","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Faustas\"><rect width=\"80\" height=\"80\" fill=\"#3d5a6e\"/><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=\"#e9bf9b\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#e9bf9b\"/><path d=\"M26 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#2a1c14\"/><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=\"#2a1c14\"/><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\"/></svg>","solverRole":"staff","constraints":[{"type":"only_beside","obj":"trophy","gender":"M"},{"type":"col_has","obj":"booth"}]},{"id":"G","name":"Gintarė","gender":"F","role":"guest","color":"#5d4037","avatar":{"bg":"#7a6a3c","skin":"#f6d8c0","hair":"#8a5a3a","style":"bob","glasses":true,"shirt":"#5d4037"},"clue":"Cô ấy ở cạnh một <b>băng ghế</b>.","job":"nhà báo thể thao","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Gintarė\"><rect width=\"80\" height=\"80\" fill=\"#7a6a3c\"/><path d=\"M22 40 Q22 14 40 14 Q58 14 58 40 L58 58 L22 58 Z\" fill=\"#8a5a3a\"/><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=\"#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=\"#8a5a3a\"/><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":"guest","constraints":[{"type":"beside","obj":"bench"}]},{"id":"H","name":"Henrikas","gender":"M","role":"guest","color":"#ad1457","avatar":{"bg":"#5a2a2a","skin":"#efc7a3","hair":"#8a8278","style":"bald","glasses":true,"mustache":true,"mustacheColor":"#8a8278","shirt":"#ad1457"},"clue":"Một người khác trong khu vực của anh ấy ngồi trên một <b>ghế đẩu</b>. <b>Đúng một hàng về phía bắc</b> của anh ấy có một người ở cạnh một <b>giỏ bóng</b>.","job":"nhà tài trợ chính","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Henrikas\"><rect width=\"80\" height=\"80\" fill=\"#5a2a2a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#ad1457\"/><rect x=\"34\" y=\"44\" width=\"12\" height=\"13\" fill=\"#efc7a3\"/><ellipse cx=\"40\" cy=\"34\" rx=\"14\" ry=\"16\" fill=\"#efc7a3\"/><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=\"M33 41 Q40 37 47 41 Q40 43 33 41 Z\" fill=\"#8a8278\"/></svg>","solverRole":"guest","constraints":[{"type":"with_on","obj":"stool"},{"type":"rel_any","dir":"N","exact":1,"beside":"ballbasket"}]},{"id":"I","name":"Ignas","gender":"M","role":"guest","color":"#558b2f","avatar":{"bg":"#2a2a3a","skin":"#f6d8c0","hair":"#4a3a2a","style":"short","beard":true,"glasses":true,"shirt":"#558b2f"},"clue":"Có một <b>cọc tiêu</b> ở đâu đó trong <b>cột</b> của anh ấy. Có một <b>băng ghế</b> ở đâu đó trong <b>hàng</b> của anh ấy.","job":"trọng tài trận derby","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Ignas\"><rect width=\"80\" height=\"80\" fill=\"#2a2a3a\"/><path d=\"M10 80 Q12 56 40 54 Q68 56 70 80 Z\" fill=\"#558b2f\"/><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 32 Q26 15 40 15 Q54 15 54 32 Q50 24 40 24 Q30 24 26 32 Z\" fill=\"#4a3a2a\"/><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=\"#4a3a2a\"/></svg>","solverRole":"guest","constraints":[{"type":"col_has","obj":"cone"},{"type":"row_has","obj":"bench"}]},{"id":"V","name":"Vaiva","gender":"F","role":"victim","color":"#1b1b1b","avatar":{"bg":"#4a5a3a","skin":"#f1c8a5","hair":"#b7482c","style":"ponytail","earrings":true,"shirt":"#1b1b1b"},"clue":"<b>Nạn nhân.</b> Cô ấy ở một mình với hung thủ.","job":"giám đốc câu lạc bộ","avatarSvg":"<svg viewBox=\"0 0 80 80\" xmlns=\"http://www.w3.org/2000/svg\" role=\"img\" aria-label=\"Vaiva\"><rect width=\"80\" height=\"80\" fill=\"#4a5a3a\"/><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=\"#1b1b1b\"/><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=\"#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\"/><path d=\"M12 12 L68 68 M68 12 L12 68\" stroke=\"#e0362e\" stroke-width=\"5\" stroke-linecap=\"round\" opacity=\".9\"/></svg>","solverRole":"staff","constraints":[]}],"victim":"V","murderer":"H","solution":{"G":[1,2],"I":[2,7],"F":[3,4],"V":[4,9],"H":[5,10],"D":[6,6],"B":[7,3],"C":[8,1],"E":[9,8],"A":[10,5]},"walkthrough":[{"place":["F"],"cand":{"A":[[10,3],[10,5]],"B":[[4,8],[5,3],[5,9],[6,8],[7,3]],"C":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,5],[2,8],[2,9],[2,10],[4,2],[4,3],[4,5],[4,8],[4,9],[5,1],[5,2],[5,3],[5,5],[5,8],[5,9],[5,10],[6,2],[6,3],[6,5],[6,8],[6,9],[7,1],[7,2],[7,3],[7,8],[7,9],[8,1],[8,3],[8,8],[8,10],[9,1],[9,2],[9,3],[9,8],[9,10]],"D":[[1,6],[4,6],[5,6],[6,6],[7,6],[8,6],[9,6]],"E":[[4,2],[9,8]],"G":[[1,2],[1,9],[2,1],[2,8],[2,10],[4,8],[5,3],[5,9],[6,8],[7,3]],"H":[[4,2],[5,1],[5,10],[7,9],[8,10],[9,8],[9,10]],"I":[[2,7],[5,7]],"V":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,5],[2,8],[2,9],[2,10],[4,2],[4,3],[4,5],[4,8],[4,9],[5,1],[5,2],[5,3],[5,5],[5,8],[5,9],[5,10],[6,2],[6,3],[6,5],[6,8],[6,9],[7,1],[7,2],[7,3],[7,8],[7,9],[8,1],[8,3],[8,8],[8,10],[9,1],[9,2],[9,3],[9,8],[9,10]]},"text":"Faustas was the only man beside the trophy (R3C5) and the ticket booth (R10C4) was in his column. Beside the trophy, in its own area (the Corridor), there are R3C4 and R3C6, and the booth is in column 4: <b>Faustas is at R3C4.</b> Column 4 and row 3 are his, so Aistė, who was beside the ticket booth, loses R9C4 and keeps R10C3 and R10C5. Both are in row 10, so row 10 is hers: R10C2, R10C6, R10C7, R10C9 and R10C10 drop out. Ignas had a cone in his column and a bench in his row; column 4 is Faustas's, so the cone can only be the one at R6C7, which puts Ignas in column 7, where R2C7, R5C7 and R10C7 are possible – but R10C7 is in Aistė's row. Both squares left are in column 7, so the column is his and its other squares are empty: R1C7, R3C7, R4C7, R7C7, R8C7, R9C7 and R10C7. Dalia had a chair in her column; the chairs are at R1C7 and R8C6, and column 7 is Ignas's, so Dalia is in column 6 (R1C6, R4C6, R5C6, R6C6, R7C6, R8C6, R9C6): the column is hers, and R3C6 and R10C6 are empty."},{"place":[],"cand":{"A":[[10,3],[10,5]],"B":[[5,3],[5,9],[6,8],[7,3]],"C":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,5],[2,8],[2,9],[2,10],[4,2],[4,3],[4,5],[4,9],[5,1],[5,2],[5,3],[5,5],[5,8],[5,9],[5,10],[6,2],[6,3],[6,5],[6,8],[6,9],[7,1],[7,2],[7,3],[7,8],[7,9],[8,1],[8,3],[8,8],[8,10],[9,1],[9,3],[9,8],[9,10]],"D":[[1,6],[4,6],[5,6],[6,6],[7,6],[8,6],[9,6]],"E":[[4,2],[9,8]],"G":[[1,2],[1,9],[2,1],[2,8],[2,10],[5,3],[5,9],[6,8],[7,3]],"H":[[4,2],[5,1],[5,10],[7,9],[8,10],[9,8],[9,10]],"I":[[2,7],[5,7]],"V":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,5],[2,8],[2,9],[2,10],[4,2],[4,3],[4,5],[4,9],[5,1],[5,2],[5,3],[5,5],[5,8],[5,9],[5,10],[6,2],[6,3],[6,5],[6,8],[6,9],[7,1],[7,2],[7,3],[7,8],[7,9],[8,1],[8,3],[8,8],[8,10],[9,1],[9,3],[9,8],[9,10]]},"text":"Eglė was beside a stool. The stools are at R4C3 (Corridor), R4C9 (Equipment Room) and R8C8 (Fan Bar), and the only free squares beside them in the same area are R4C2, R4C4 and R9C8; R4C4 is in Faustas's column. So Eglė is at R4C2 or R9C8. These two squares are opposite corners of a rectangle whose other two corners are R4C8 and R9C2. R4C8 shares row 4 with R4C2 and column 8 with R9C8, and R9C2 shares column 2 with R4C2 and row 9 with R9C8. Wherever Eglė is, both lie in her row or column: nobody can be at R4C8 or R9C2, and they are crossed out."},{"place":[],"cand":{"A":[[10,3],[10,5]],"B":[[5,3],[5,9],[6,8],[7,3]],"C":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,5],[2,8],[2,9],[2,10],[4,2],[4,3],[4,9],[6,8],[8,1],[8,3],[8,8],[8,10],[9,1],[9,3],[9,8],[9,10]],"D":[[1,6],[4,6],[6,6],[8,6],[9,6]],"E":[[4,2],[9,8]],"G":[[1,2],[1,9],[2,1],[2,8],[2,10],[5,3],[6,8]],"H":[[5,1],[5,10],[7,9]],"I":[[2,7],[5,7]],"V":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,5],[2,8],[2,9],[2,10],[4,2],[4,3],[4,5],[4,9],[5,3],[5,5],[6,8],[8,1],[8,3],[8,8],[8,10],[9,1],[9,3],[9,8],[9,10]]},"text":"Henrikas had somebody exactly one row north of him beside a ball basket. Judging by the candidates, such a person can only be in row 4, 6 or 7, so Henrikas can only be in row 5, 7 or 8: R4C2, R9C8 and R9C10 drop out. He also had somebody else in his area sitting on a stool. If he were at R8C10, in the Fan Bar, that stool would be the one at R8C8 – in his own row – and only Česlovas and Vaiva could be on it, but they cannot be in Henrikas's row, so R8C10 drops out. Česlovas was the southernmost person in his area and Benediktas is certainly on the Court (R5C3, R5C9, R6C8, R7C3), so on the Court Česlovas can only be on a square with Benediktas north of him: R4C5, R5C2, R5C3, R5C5, R5C8 and R5C9 drop out. Rows 5-7 must hold three people: Benediktas (row 5, 6 or 7), Henrikas (R5C1, R5C10 or R7C9: row 5 or 7) and Benediktas's companion, who was beside a cone on the Court (row 5 or 6). Three people, three rows: the rows are full and nobody else can be in them. R5C2, R5C6, R5C8, R6C2, R6C3, R6C5, R6C9, R7C1, R7C2, R7C6 and R7C8 are empty; Česlovas loses R5C1, R5C10, R6C2, R6C3, R6C5, R6C9, R7C1, R7C2, R7C3, R7C8 and R7C9, Dalia loses R5C6 and R7C6, and Gintarė loses R5C9 and R7C3."},{"place":["B","A"],"cand":{"C":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,8],[2,9],[2,10],[4,2],[4,9],[6,8],[8,1],[8,8],[8,10],[9,1],[9,8],[9,10]],"D":[[1,6],[4,6],[6,6],[8,6],[9,6]],"E":[[4,2],[9,8]],"G":[[1,2],[1,9],[2,1],[2,8],[2,10],[6,8]],"H":[[5,1],[5,10]],"I":[[2,7],[5,7]],"V":[[1,2],[1,8],[1,9],[2,1],[2,2],[2,8],[2,9],[2,10],[4,2],[4,9],[6,8],[8,1],[8,8],[8,10],[9,1],[9,8],[9,10]]},"text":"Row 7 needs somebody too. Aistė has no square beside the ticket booth there, Eglė none beside a stool, Ignas has no bench in the row, Henrikas would need somebody beside a ball basket in row 6 and nobody can be there, and Česlovas, Dalia, Gintarė and Vaiva are not among the three people of the band. Only Benediktas can be in row 7: <b>Benediktas is at R7C3</b>, beside the bench at R6C3. Row 7 is his, so Henrikas loses R7C9 and keeps R5C1 and R5C10. Column 3 is his too, so Aistė loses R10C3: <b>Aistė is at R10C5.</b>"},{"place":["I","H"],"cand":{"C":[[1,2],[1,8],[1,9],[4,2],[4,9],[6,8],[8,1],[8,8],[9,1],[9,8]],"D":[[1,6],[4,6],[6,6],[8,6],[9,6]],"E":[[4,2],[9,8]],"G":[[1,2],[1,9],[6,8]],"V":[[1,2],[1,8],[1,9],[4,2],[4,9],[6,8],[8,1],[8,8],[9,1],[9,8]]},"text":"Henrikas's squares R5C1 and R5C10 are both in row 5, so row 5 is his: R5C2, R5C3, R5C5, R5C6, R5C7, R5C8 and R5C9 are empty. Ignas loses R5C7, and R2C7 is the only square left to him (R10C7 is in Aistė's row): <b>Ignas is at R2C7.</b> Row 2 is his, so Gintarė loses R2C1, R2C8 and R2C10. If Henrikas were at R5C1, in the Corridor, somebody would have to be sitting on the Corridor's stool, R4C3. Nobody can be there: Česlovas, Dalia, Eglė, Gintarė and Vaiva would all be in Benediktas's column 3. So Henrikas is not in the Corridor, R5C1 drops out, and <b>Henrikas is at R5C10</b>, in the Equipment Room."},{"place":["E"],"cand":{"C":[[1,2],[4,9],[8,1]],"D":[[1,6],[6,6],[8,6]],"G":[[1,2]],"V":[[1,2],[4,9],[8,1]]},"text":"Henrikas is in the Equipment Room, so somebody else was sitting on its stool – the only one there is R4C9. That person can only be at R4C9, so the square is occupied and the rest of its row and column is empty: R1C9, R4C2 and R4C6. Eglė loses R4C2 and has only R9C8 left: <b>Eglė is at R9C8.</b> Row 9 and column 8 are hers, so R9C1, R9C6, R1C8, R6C8 and R8C8 drop out."},{"place":["G","D"],"cand":{"C":[[4,9],[8,1]],"V":[[4,9],[8,1]]},"text":"Gintarė had R1C2, R1C9 and R6C8 left: R1C9 was emptied by the cross cell and R6C8 is in Eglė's column. <b>Gintarė is at R1C2</b>, beside the bench at R2C2. Row 6 needs somebody too, and nobody but Dalia has a square in it any more: R8C6 drops out for her and <b>Dalia is at R6C6.</b>"},{"place":["C"],"cand":{"V":[[4,9]]},"text":"Henrikas is certainly in the Equipment Room (R5C10), and Česlovas was the southernmost person in his area, so there he could only be on a square with Henrikas north of him; Henrikas, in row 5, is south of R4C9, so R4C9 drops out for Česlovas. His only square left is R8C1: <b>Česlovas is at R8C1.</b>"},{"place":["V"],"cand":{},"text":"Only Vaiva is left, and the victim made no statement, so her square follows from the others': R1C2 is Gintarė's and R8C1 is Česlovas's, which leaves R4C9. <b>Vaiva is at R4C9.</b> She is in the Equipment Room, where the only other person is Henrikas, at R5C10 – and R4C9 is the stool he needed in his area, beside the ball basket R4C10, one row north of him."},{"final":true,"text":"Case closed: Henrikas, the main sponsor, was alone with Vaiva in the Equipment Room – that evening he had learned that the new captain Vaiva signed against the board's will came with a rival sponsor, and that she meant to announce at the derby that his company's name would be taken off the shirts. <b>Henrikas is the murderer!</b>"}],"solver":{"rules":[],"occupiable":["bench","stool","chair","sofa","armchair","massage"]},"verification":{"tool":"tools/murdoku_solver.py","unique":true,"guessFree":true,"checked":"2026-10-17"},"score":114.082}