Kakurasu

Kakurasu is a logic puzzle with simple rules and challenging solutions.

The rules are simple.Kakurasu is played on a rectangular grid with no standard size.
The goal is to make some of the cells black in such a way that:
1. The black cells on each row sum up to the number on the right.
2. The black cells on each column sum up to the number on the bottom.
3. If a black cell is first on its row/column its value is 1. If it is second its value is 2 etc.

Click a cell to make it black, right click to place an X.

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This Month
1.	Preston10	00:16.05
2.	Ruan	00:24.60
3.	Francesco Caputo	00:47.46
4.	real8ggt	01:00.97
5.	wyq97	01:02.12
6.	yosiaki	01:09.86
7.	BigL1	01:13.17
8.	thrasymachus	02:37.99
9.	Saakshi	07:53.53
10.	Soham Bhosale	09:38.69
11.	Efran	12:31.21
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This Week
1.	Soham Bhosale	09:38.69
2.	Efran	12:31.21
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Today
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MO3
1.	Douglas Shamlin Jr.	00:12.73
2.	numbrr	00:13.74
3.	BrownJohnDoe	00:14.02
4.	Eskimosnake	00:15.05
5.	Vezzick	00:15.25
6.	Dymond	00:16.09
7.	vowels	00:18.29
8.	Nick	00:19.13
9.	Ruan	00:19.64
10.	BingBongBob	00:19.94

AO5
1.	Douglas Shamlin Jr.	00:12.88
2.	BrownJohnDoe	00:14.70
3.	Dymond	00:16.09
4.	Vezzick	00:16.45
5.	Eskimosnake	00:16.75
6.	vowels	00:18.29
7.	numbrr	00:18.38
8.	Nick	00:20.71
9.	BingBongBob	00:20.93
10.	NoahR	00:21.04

AO12
1.	Douglas Shamlin Jr.	00:13.98
2.	Dymond	00:18.51
3.	Eskimosnake	00:20.79
4.	Vezzick	00:21.17
5.	vowels	00:21.56
6.	BrownJohnDoe	00:22.93
7.	Ruan	00:24.95
8.	Nick	00:25.02
9.	qqwref	00:25.14
10.	NoahR	00:25.40

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	cheyette	00:00.125
3.	BertinSylux98	00:00.297

* 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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2025-08-07 13:08:36

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