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. lmsc5k
63
00:11.89
2. Kenolo353
93
00:13.92
3. ecto
71
00:17.36
4. randomflyintaco
104
00:17.89
5. cugntear
28
00:19.14
6. KarenNotARobot 00:20.75
7. 3328037
44
00:21.78
8. Board
73
00:22.25
9. Dorice
239
00:25.40
10. qobi
222
00:25.51
11. AlexanderIII 00:28.10
12. TQ-V85Sn
82
00:32.27
13. sixgs 00:33.97
14. zooandroo
92
00:34.62
15. beatrixwashere
100
00:35.62
16. Lambchops
36
00:36.61
17. cpatros 00:36.73
18. HerrNoix 00:37.96
19. Mordekagne23
29
00:40.65
20. swpomeroy
168
00:40.69
This Week
1. Kenolo353
93
00:16.21
2. lmsc5k
63
00:16.44
3. randomflyintaco
104
00:17.89
4. cugntear
28
00:19.14
5. KarenNotARobot 00:20.83
6. 3328037
44
00:21.78
7. Dorice
239
00:25.40
8. qobi
222
00:31.98
9. zooandroo
92
00:34.62
10. AlexanderIII 00:34.85
11. cpatros 00:36.73
12. sixgs 00:40.41
13. thost 00:50.52
14. CLAVDIVS
51
00:58.12
15. gorilla801 01:04.77
16. Korneel 01:17.64
17. Solander
55
01:59.13
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20.--- empty -----:--
Today
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MO3
1. Douglas Shamlin Jr.
689
00:06.79
2. Daiwie
84
00:10.18
3. numbrr
291
00:10.41
4. sauceguardian
95
00:11.32
5. TashiroMiraki
214
00:11.43
6. vowels
214
00:11.50
7. lmsc5k
63
00:12.39
8. Tunnel Keeper
62
00:13.19
9. jaybrainer
228
00:13.22
10. sfumato
166
00:13.88
AO5
1. Douglas Shamlin Jr.
689
00:07.19
2. Daiwie
84
00:10.62
3. numbrr
291
00:12.12
4. TashiroMiraki
214
00:12.15
5. vowels
214
00:12.18
6. sauceguardian
95
00:12.24
7. lmsc5k
63
00:12.73
8. jaybrainer
228
00:13.55
9. Tunnel Keeper
62
00:13.58
10. qqwref
259
00:14.27
AO12
1. Douglas Shamlin Jr.
689
00:08.09
2. Daiwie
84
00:11.20
3. vowels
214
00:12.94
4. numbrr
291
00:13.28
5. sauceguardian
95
00:13.63
6. TashiroMiraki
214
00:13.69
7. lmsc5k
63
00:14.06
8. qqwref
259
00:15.59
9. Tunnel Keeper
62
00:16.78
10. jaybrainer
228
00:16.91
Robots / programmatic solversinfo  
1.Chen Enxiu
1
02:28.288
2.sysd
1
03:16.357
3.dansto76503:29.621

* 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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2025-05-20 05:28:50

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