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.	Piroska9	00:12.00
2.	Meerkat	00:20.76
3.	Truth-or-Peace	00:24.18
4.	llmt9	00:24.53
5.	Scorer	00:29.32
6.	OCMEROS	00:29.57
7.	KGee	00:31.33
8.	Takalu	00:31.50
9.	GammaK25	00:46.54
10.	dkmvn	00:46.67
11.	jjbduke2004	00:48.60
12.	Sawdust99	00:48.83
13.	Wuni14	00:48.91
14.	DumbKojiShimizu	00:51.68
15.	Nanoulefou	00:51.74
16.	Luann	00:54.35
17.	idonoy	00:55.87
18.	Enoz3	00:55.93
19.	Anora	01:05.84
20.	alisab26	01:07.90

This Week
1.	Piroska9	00:12.00
2.	Meerkat	00:20.76
3.	Truth-or-Peace	00:24.18
4.	llmt9	00:24.53
5.	OCMEROS	00:29.57
6.	Scorer	00:31.78
7.	dkmvn	00:46.67
8.	Enoz3	00:55.93
9.	DumbKojiShimizu	01:03.29
10.	Luann	01:16.34
11.	jhawardast	01:16.45
12.	tamagochi	01:29.61
13.	skybreaker	01:43.23
14.	J-风yu	02:32.24
15.	Ilse	02:33.90
16.	dominika1990	02:43.10
17.	atuo	12:56.12
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	DumbKojiShimizu	01:03.29
2.	J-风yu	02:32.24
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
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16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
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20.	--- empty ---	--:--

MO3
1.	numbrr	00:08.54
2.	mtanzer	00:09.89
3.	Puzzleist	00:12.59
4.	BingBongBob	00:13.29
5.	Make	00:14.17
6.	Vezzick	00:15.64
7.	Piroska9	00:16.07
8.	qqwref	00:16.91
9.	Ben65732	00:17.53
10.	selahsea	00:18.19

AO5
1.	numbrr	00:10.38
2.	mtanzer	00:11.18
3.	Puzzleist	00:13.12
4.	BingBongBob	00:13.65
5.	Piroska9	00:16.67
6.	Make	00:16.96
7.	Vezzick	00:19.06
8.	Ben65732	00:19.14
9.	qqwref	00:20.29
10.	selahsea	00:21.22

AO12
1.	numbrr	00:12.09
2.	mtanzer	00:13.48
3.	Puzzleist	00:15.06
4.	BingBongBob	00:17.70
5.	Ben65732	00:23.60
6.	selahsea	00:24.99
7.	qqwref	00:25.71
8.	beatrixwashere	00:25.92
9.	Vezzick	00:26.41
10.	SilverHawk	00:26.45

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Paul Bismuth	00:03.074
3.	Pfana	00:57.919

* 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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2026-01-25 16:58:54

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