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

New Puzzle
This Month
1. Kenolo353
123
01:08.72
2. shiningyang
21
01:32.04
3. AnonyMinor
90
01:40.56
4. RaiT
119
01:47.99
5. Dorice
272
01:48.81
6. qobi
240
02:13.77
7. Beesweezy
99
02:31.73
8. Ontwikseltsaar
105
02:40.25
9. SakyhyKaren
10
02:42.18
10. BigHeadGriffin
21
03:17.12
11. Canon
19
04:04.76
12. MushroomsCavern
123
04:06.55
13. ambiorix 04:54.25
14. tamson 05:18.58
15. LrCaWm 17:28.44
16. Wiatcoco
6
4:37:11.13
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This Week
1. AnonyMinor
90
01:40.56
2. RaiT
119
01:47.99
3. Dorice
272
01:48.81
4. qobi
240
02:30.15
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6.--- empty -----:--
7.--- empty -----:--
8.--- empty -----:--
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Today
1. qobi
240
02:30.15
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MO3
1. Douglas Shamlin Jr.
722
00:36.51
2. Daiwie
104
00:48.09
3. sauceguardian
109
00:54.49
4. home
216
00:55.15
5. TashiroMiraki
231
00:55.98
6. numbrr
322
00:57.92
7. Tunnel Keeper
72
00:59.85
8. vowels
216
01:00.51
9. lmsc5k
68
01:05.28
10. Kenolo353
123
01:07.18
AO5
1. Douglas Shamlin Jr.
722
00:38.16
2. Daiwie
104
00:48.49
3. home
216
00:56.02
4. TashiroMiraki
231
00:57.30
5. sauceguardian
109
00:59.47
6. Tunnel Keeper
72
01:00.13
7. numbrr
322
01:00.68
8. vowels
216
01:05.16
9. lmsc5k
68
01:06.46
10. Kenolo353
123
01:10.99
AO12
1. Douglas Shamlin Jr.
722
00:39.23
2. Daiwie
104
00:57.33
3. home
216
00:59.38
4. TashiroMiraki
231
01:01.20
5. sauceguardian
109
01:02.23
6. Tunnel Keeper
72
01:02.54
7. numbrr
322
01:07.40
8. vowels
216
01:08.91
9. lmsc5k
68
01:11.49
10. Kenolo353
123
01:16.27
Robots / programmatic solversinfo  
1.Paul Bismuth
1
00:15.743
2.kanaderu
1
04:45.694
3.dansto76510:53.339

* 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.
You need to be logged in to track your averages

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