Shikaku

Shikaku (also known as Rectangles) is a logic puzzle with simple rules and challenging solutions.

The rules are simple. You have to divide the grid into rectangular and square pieces such that each piece contains exactly one number, and that number represents the area of the rectangle.

Click and drag to draw a rectangle. To remove lines use the right mouse button or hold the Ctrl or the Shift key.

Video Tutorial

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This Month
1.	demian2	00:07.77
2.	Another	00:12.40
3.	nabifan	00:12.97
4.	Tobi Ente	00:12.99
5.	qobi	00:13.35
6.	GeorgPfleger	00:15.07
7.	Icay	00:15.71
8.	Georgi52	00:18.27
9.	nrtz	00:19.11
10.	Dorice	00:20.56
11.	ChiefOsceola	00:22.94
12.	BlueOcarina	00:25.60
13.	Goubtless	00:27.31
14.	KoenDe3e	00:27.58
15.	Hansen	00:28.02
16.	nosenugget	00:28.33
17.	DogeFall	00:28.77
18.	SmallBlack	00:28.90
19.	sprstition	00:39.16
20.	xianglin	00:40.71

This Week
1.	Another	00:12.40
2.	GeorgPfleger	00:15.07
3.	Icay	00:15.71
4.	Georgi52	00:19.79
5.	KoenDe3e	00:27.58
6.	DogeFall	00:28.77
7.	shih55	01:06.13
8.	ukiishi	01:11.31
9.	gepap	01:13.65
10.	inequality	01:55.08
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	Georgi52	00:31.72
2.	shih55	01:06.13
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.	demian2	00:08.79
2.	vowels	00:09.90
3.	sfumato	00:12.77
4.	qqwref	00:12.91
5.	qobi	00:13.41
6.	mtanzer	00:13.71
7.	Tobi Ente	00:14.35
8.	funuyu#8070	00:14.74
9.	BingBongBob	00:15.55
10.	bearn	00:15.74

AO5
1.	demian2	00:09.82
2.	vowels	00:10.09
3.	sfumato	00:12.97
4.	qqwref	00:13.05
5.	qobi	00:13.89
6.	bearn	00:14.17
7.	mtanzer	00:14.31
8.	Tobi Ente	00:15.79
9.	ichigo	00:16.33
10.	numbrr	00:16.35

AO12
1.	vowels	00:10.95
2.	demian2	00:13.78
3.	qqwref	00:15.82
4.	sfumato	00:16.09
5.	mtanzer	00:17.02
6.	qobi	00:17.04
7.	funuyu#8070	00:19.04
8.	Fastfaxer	00:19.82
9.	bearn	00:19.96
10.	ichigo	00:20.39

Robots / programmatic solvers		info
1.	tlstyer	00:00.009
2.	Charlie Li	00:00.874
3.	--- empty ---	--:--

* 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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2022-11-29 05:32:47

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