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°

Video Tutorial
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Shakashaka


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

This Month
1. Tunnel Keeper
32
00:01.35
2. randomflyintaco
57
00:02.92
3. Oryn
145
00:02.93
4. Goomy
51
00:03.47
5. HollyBerry
46
00:03.53
6. AlexanderIII 00:03.80
7. sdrawkcaB
22
00:03.93
8. qobi
192
00:04.18
9. Harry_Canyon
98
00:04.28
10. Zhang Harvey
6
00:04.57
11. jamiecjx
60
00:04.81
12. SunnyKid
73
00:04.84
13. ErikLink 00:04.85
14. Dorice
209
00:05.15
15. Ilbibi
35
00:05.45
16. jorah
82
00:05.66
17. rozer
179
00:05.72
18. Tartempion 00:06.09
19. FreddyDolphin
13
00:06.42
20. NeroHYU
52
00:07.18
This Week
1. randomflyintaco
57
00:02.92
2. Oryn
145
00:02.93
3. HollyBerry
46
00:03.53
4. qobi
192
00:04.18
5. Dorice
209
00:05.15
6. jorah
82
00:05.66
7. AlexanderIII 00:05.71
8. rozer
179
00:05.72
9. FreddyDolphin
13
00:06.42
10. beatrixwashere
16
00:08.01
11. Gastel 00:12.16
12. Dicko-san
96
00:14.02
13. tuktuks
3
00:15.35
14. sxuacmer 00:16.80
15. Hvgo
7
01:00.87
16.--- empty -----:--
17.--- empty -----:--
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20.--- empty -----:--
Today
1. HollyBerry
46
00:03.53
2. rozer
179
00:05.72
3.--- empty -----:--
4.--- empty -----:--
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.
593
00:00.94
2. vowels
202
00:01.07
3. jaybrainer
185
00:01.37
4. Sun Ocean Beach
215
00:01.73
5. qqwref
259
00:01.75
6. EC31
23
00:01.79
7. sfumato
164
00:01.84
8. numbrr
238
00:01.89
9. lmsc5k
43
00:01.91
10. TashiroMiraki
194
00:02.00
AO5
1. Douglas Shamlin Jr.
593
00:01.02
2. vowels
202
00:01.44
3. jaybrainer
185
00:01.59
4. qqwref
259
00:01.87
5. Sun Ocean Beach
215
00:01.90
6. lmsc5k
43
00:01.92
7. sfumato
164
00:02.01
8. numbrr
238
00:02.16
9. EC31
23
00:02.20
10. TashiroMiraki
194
00:02.24
AO12
1. Douglas Shamlin Jr.
593
00:01.19
2. vowels
202
00:01.81
3. jaybrainer
185
00:02.20
4. Sun Ocean Beach
215
00:02.31
5. qqwref
259
00:02.40
6. lmsc5k
43
00:02.49
7. sfumato
164
00:02.51
8. numbrr
238
00:02.53
9. TashiroMiraki
194
00:02.56
10. BingBongBob
107
00:02.73
Robots / programmatic solversinfo  
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* 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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2024-05-09 03:45:35

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