Shakashaka


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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
79
00:01.71
2. KarenNotARobot 00:01.80
3. 3328037
29
00:02.32
4. GoldChoco36
130
00:02.85
5. Board
72
00:03.19
6. Dorice
236
00:03.28
7. randomflyintaco
101
00:03.57
8. Kenolo353
88
00:03.70
9. LesAM 00:04.10
10. qobi
219
00:04.73
11. foreverrui 00:04.80
12. V Perm
9
00:05.39
13. rambo00
30
00:05.69
14. asdfhavcjklcjkl 00:06.02
15. sixgs 00:06.65
16. IkunPlz 00:07.54
17. Lambchops
15
00:07.70
17. gorilla801 00:07.70
19. Korneel 00:07.97
20. AnonyMinor
43
00:08.30
This Week
1. KarenNotARobot 00:02.76
2. GoldChoco36
130
00:02.85
3. randomflyintaco
101
00:03.96
4. Kenolo353
88
00:04.53
5. foreverrui 00:04.80
6. Dorice
236
00:05.66
7. qobi
219
00:06.66
8. sixgs 00:06.92
9. gorilla801 00:07.70
10. AnonyMinor
43
00:08.30
11. meaghan_rebecca
26
00:08.45
12. xSuperJx 00:10.73
13. monkeyman88
17
00:11.62
14. CLAVDIVS
47
00:11.79
15. Taco1717
16
00:11.88
16. FunAcroFly
41
00:16.33
17. Hiro Lynx
36
00:17.49
18. wellwhynot
65
00:19.09
19. capzlok
6
00:21.07
20. WeakBonesZenn
63
00:23.55
Today
1. randomflyintaco
101
00:03.96
2. Kenolo353
88
00:04.53
3. sixgs 00:07.16
4. CLAVDIVS
47
00:26.20
5.--- empty -----:--
6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
9.--- empty -----:--
10.--- empty -----:--
11.--- empty -----:--
12.--- empty -----:--
13.--- empty -----:--
14.--- empty -----:--
15.--- empty -----:--
16.--- empty -----:--
17.--- empty -----:--
18.--- empty -----:--
19.--- empty -----:--
20.--- empty -----:--
MO3
1. Douglas Shamlin Jr.
678
00:00.90
2. vowels
214
00:01.07
3. jaybrainer
221
00:01.27
4. numbrr
285
00:01.60
5. Sun Ocean Beach
238
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
61
00:01.91
AO5
1. Douglas Shamlin Jr.
678
00:00.96
2. vowels
214
00:01.44
3. jaybrainer
221
00:01.56
4. numbrr
285
00:01.73
5. qqwref
259
00:01.87
6. Sun Ocean Beach
238
00:01.90
7. lmsc5k
61
00:01.92
8. sauceguardian
95
00:01.96
9. Daiwie
79
00:01.97
10. sfumato
165
00:02.01
AO12
1. Douglas Shamlin Jr.
678
00:01.18
2. vowels
214
00:01.81
3. jaybrainer
221
00:02.06
4. numbrr
285
00:02.16
5. Sun Ocean Beach
238
00:02.31
6. sauceguardian
95
00:02.39
7. qqwref
259
00:02.40
8. lmsc5k
61
00:02.49
8. Daiwie
79
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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2025-03-26 15:36:41

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