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
01:04.51
2. Kenolo353
93
01:13.36
3. randomflyintaco
104
02:00.86
4. TQ-V85Sn
82
02:06.83
5. Dorice
239
02:27.35
6. HerrNoix 02:28.17
7. sixgs 02:32.55
8. qobi
222
02:40.08
9. cpatros 02:57.39
10. Jazka 03:04.65
11. Pete P
37
03:04.94
12. hkjsf
124
03:13.32
13. swpomeroy
168
03:40.46
14. BlueBumblebee 04:39.23
15. Peanutmobile
17
04:47.45
16. CLAVDIVS
51
05:22.60
17. zooandroo
92
05:40.19
18. Korneel 05:56.32
19. jdubs
134
07:09.22
20. gorilla801 07:19.20
This Week
1. Kenolo353
93
01:13.36
2. randomflyintaco
104
02:00.86
3. TQ-V85Sn
82
02:06.83
4. sixgs 02:32.55
5. qobi
222
02:40.08
6. cpatros 02:57.39
7. hkjsf
124
03:13.32
8. Dorice
239
03:17.88
9. Jazka 03:48.37
10. CLAVDIVS
51
05:22.60
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Today
1. Kenolo353
93
01:13.36
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3.--- empty -----:--
4.--- empty -----:--
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
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MO3
1. Douglas Shamlin Jr.
689
00:36.51
2. Daiwie
84
00:48.09
3. TashiroMiraki
214
00:55.98
4. numbrr
291
00:57.92
5. Tunnel Keeper
62
00:59.85
6. vowels
214
01:00.51
7. lmsc5k
63
01:06.53
8. home
183
01:08.43
9. sauceguardian
95
01:12.38
10. qqwref
259
01:12.68
AO5
1. Douglas Shamlin Jr.
689
00:38.16
2. Daiwie
84
00:48.49
3. TashiroMiraki
214
00:57.30
4. Tunnel Keeper
62
01:00.13
5. numbrr
291
01:00.68
6. vowels
214
01:05.16
7. home
183
01:08.43
8. lmsc5k
63
01:09.37
9. qqwref
259
01:14.12
10. sauceguardian
95
01:14.74
AO12
1. Douglas Shamlin Jr.
689
00:39.23
2. Daiwie
84
00:57.33
3. TashiroMiraki
214
01:01.20
4. Tunnel Keeper
62
01:02.54
5. numbrr
291
01:07.40
6. vowels
214
01:08.91
7. lmsc5k
63
01:13.90
8. sauceguardian
95
01:18.45
9. home
183
01:21.63
10. qqwref
259
01:22.02
Robots / programmatic solversinfo  
1.kanaderu
1
04:45.694
2.dansto76510:53.339
3.Chen Enxiu
1
17:46.098

* 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 10:52:53

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