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	00:25.39
2.	Praktisix	00:30.59
3.	Harry_Canyon	00:33.60
4.	OCMEROS	00:38.96
5.	DrLeiknar	00:39.62
6.	Conceited_2	00:41.41
7.	Freakazoyd	00:42.81
8.	Truth-or-Peace	00:43.15
9.	mjkjxp	00:45.48
10.	jjbduke2004	00:46.04
11.	Bluegill16384	00:48.59
12.	Dorice	00:48.66
13.	Wageszera	00:53.70
14.	shotbyshe	00:54.36
15.	AstroNovalite	00:54.71
16.	NyoomCat	00:56.08
17.	DClam	00:56.24
18.	hammerhead20	00:56.35
19.	boiboi7788	01:00.59
20.	Chrisileiwand	01:01.59

This Week
1.	Piroska9	00:25.50
2.	Praktisix	00:31.72
3.	Freakazoyd	00:42.81
4.	Truth-or-Peace	00:43.15
5.	Bluegill16384	00:48.59
6.	Dorice	00:48.66
7.	Conceited_2	00:51.17
8.	OCMEROS	00:55.02
9.	mjkjxp	01:01.49
10.	Chrisileiwand	01:01.59
11.	hexe222	01:07.01
12.	DClam	01:13.49
13.	RisottoGroupon	01:13.71
14.	Louis Woodcock	01:14.32
15.	dkmvn	01:17.34
16.	Frog1	01:17.69
17.	Lamiata	01:23.58
18.	NaluXV1	01:26.54
19.	ambiorix	01:28.42
20.	RefriedNoodleNL	01:37.49

Today
1.	Praktisix	00:35.42
2.	Freakazoyd	00:42.81
3.	Conceited_2	00:58.46
4.	DClam	01:25.31
5.	hexe222	01:36.20
6.	Filippo	01:46.80
7.	chrispy	02:37.94
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.	Salzzz	00:28.84

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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2026-01-25 16:56:51

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