Shakashaka


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Special thanks to Aevrin for the translation

Shakashaka (Proof of Quilt) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. Shakashaka is played on a rectangular grid. The grid has both black cells and white cells in it.
The objective is to place black triangles in the white cell in such a way so that they form white rectangular (or square) areas.
- The triangles are right angled and occupy half of the white square divided diagonally.
- You can place triangles only in white cells
- The numbers in the black cells indicate how many triangles are adjacent, vertically and horizontally.
- The white rectangles can be either straight or rotated at 45°

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Shakashaka


5x5 Shakashaka | 10x10 Shakashaka | 15x15 Shakashaka | 20x20 Shakashaka | 25x25 Shakashaka

This Month
1. Daiwie
78
00:01.71
2. KarenNotARobot 00:02.03
3. Solver83
50
00:02.78
4. Goomy
89
00:02.96
5. Board
72
00:03.05
6. randomflyintaco
101
00:03.34
7. Kenolo353
88
00:03.70
8. LesAM 00:04.10
9. qobi
218
00:04.73
10. Dorice
235
00:04.89
11. Alyname
35
00:05.05
12. V Perm
9
00:05.39
13. rambo00
30
00:05.69
14. asdfhavcjklcjkl 00:06.02
15. gorilla801 00:06.61
16. sixgs 00:06.65
17. DeusAdAstra 00:07.46
18. IkunPlz 00:07.54
19. Lambchops
10
00:07.70
20. j3573r 00:07.82
This Week
1. Daiwie
78
00:01.71
2. KarenNotARobot 00:02.03
3. randomflyintaco
101
00:03.57
4. Kenolo353
88
00:03.70
5. qobi
218
00:04.73
6. IkunPlz 00:07.54
7. Lambchops
10
00:07.70
8. Korneel 00:07.97
9. sixgs 00:08.71
10. Taco1717
5
00:11.69
11. gorilla801 00:11.84
12. yasuyo 00:13.41
13. CLAVDIVS
46
00:16.28
14. nonever 00:18.64
15. yosiaki
81
00:18.84
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Today
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MO3
1. Douglas Shamlin Jr.
675
00:00.90
2. vowels
214
00:01.07
3. jaybrainer
219
00:01.27
4. numbrr
282
00:01.60
5. Sun Ocean Beach
237
00:01.73
6. qqwref
259
00:01.75
7. EC31
23
00:01.79
8. sfumato
165
00:01.84
9. sauceguardian
95
00:01.86
10. lmsc5k
60
00:01.91
AO5
1. Douglas Shamlin Jr.
675
00:00.96
2. vowels
214
00:01.44
3. jaybrainer
219
00:01.56
4. numbrr
282
00:01.73
5. qqwref
259
00:01.87
6. Sun Ocean Beach
237
00:01.90
7. lmsc5k
60
00:01.92
8. sauceguardian
95
00:01.96
9. Daiwie
78
00:01.97
10. sfumato
165
00:02.01
AO12
1. Douglas Shamlin Jr.
675
00:01.18
2. vowels
214
00:01.81
3. jaybrainer
219
00:02.06
4. numbrr
282
00:02.16
5. Sun Ocean Beach
237
00:02.31
6. sauceguardian
95
00:02.39
7. qqwref
259
00:02.40
8. lmsc5k
60
00:02.49
8. Daiwie
78
00:02.49
10. sfumato
165
00:02.51
Robots / programmatic solversinfo  
1.kanaderu
1
00:03.677
2.tari77
1
00:11.623
3.sysd
1
00:12.419

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2025-03-17 04:59:04

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