Battleships

Battleships also known as Bimaru is a logic puzzle with simple rules and challenging solutions.

The rules of Battleships are simple:
You have to find the location of the battleships hidden in the grid. Some battleships may be partially revealed.
A battleship is a straight line of consecutive black cells.
The number of the battleships from each size is shown in the legend below the grid.
2 battleships cannot touch each other (even diagonally)
The numbers outside the grid show the number of cells occupied by battleships on that row/column.

Video Tutorial

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This Month
1.	Praktisix	00:26.95
2.	Piroska9	00:27.25
3.	OCMEROS	00:31.72
4.	dexter051	00:34.45
5.	DrLeiknar	00:34.77
6.	cinnabaran	00:34.92
7.	snaphiss	00:39.15
8.	mjkjxp	00:41.56
9.	sacha123	00:43.12
10.	spikeydlux	00:43.81
11.	boiboi7788	00:45.16
12.	Conceited_2	00:45.85
13.	ashark	00:47.51
14.	PDX2021	00:49.25
15.	jacek66	00:51.78
16.	snakeeyes	00:52.26
17.	Dorice	00:52.42
18.	swaggerdaddyj	00:54.04
19.	qwsa88	00:55.11
20.	crema	00:55.22

This Week
1.	Praktisix	00:26.95
2.	Piroska9	00:29.89
3.	OCMEROS	00:35.38
4.	mjkjxp	00:41.56
5.	Conceited_2	00:45.85
6.	PDX2021	00:54.41
7.	qwsa88	00:55.11
8.	crema	00:55.22
9.	SlugBugBlue	00:57.20
10.	hammerhead20	00:58.28
11.	ambiorix	00:58.97
12.	jacek66	00:59.91
13.	Dorice	01:10.25
14.	DClam	01:12.23
15.	DumbKojiShimizu	01:21.76
16.	shotbyshe	01:32.47
17.	AnansiN	01:34.40
18.	hexe222	01:35.38
19.	Wageszera	01:35.49
20.	Filippo	01:41.34

Today
1.	Praktisix	00:39.40
2.	Dorice	01:11.44
3.	DClam	01:12.23
4.	hexe222	01:49.17
5.	Filippo	01:54.06
6.	Wageszera	01:58.40
7.	chrispy	05:19.71
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.	numbrr	00:13.97
2.	mtanzer	00:14.84
3.	Puzzleist	00:18.09
4.	BingBongBob	00:20.80
5.	Ben65732	00:22.09
6.	Meep	00:22.43
7.	gtkrouwel	00:23.36
8.	beatrixwashere	00:23.73
9.	vowels	00:24.39
10.	Make	00:26.16

AO5
1.	numbrr	00:16.44
2.	mtanzer	00:17.36
3.	Puzzleist	00:20.55
4.	BingBongBob	00:21.57
5.	Ben65732	00:24.90
6.	gtkrouwel	00:25.98
7.	vowels	00:26.16
8.	Meep	00:26.33
9.	beatrixwashere	00:26.68
10.	qqwref	00:28.92

AO12
1.	numbrr	00:20.79
2.	mtanzer	00:23.77
3.	Puzzleist	00:26.14
4.	BingBongBob	00:26.21
5.	gtkrouwel	00:28.69
6.	Ben65732	00:30.68
7.	beatrixwashere	00:31.75
8.	Salzzz	00:32.42
9.	SilverHawk	00:33.56
10.	Vezzick	00:33.70

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Paul Bismuth	00:06.481
3.	DaniEdi81	01:10.502

* 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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2025-10-28 21:02:16

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