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	00:03.72
2.	gtkrouwel	00:03.73
3.	willy86ylliw	00:03.78
4.	LoonyGoober	00:04.39
5.	Kukko	00:05.46
6.	metoxys	00:05.70
7.	Kutner17	00:05.91
8.	ypw19	00:06.20
9.	Praktisix	00:06.33
10.	Hella Stern	00:06.91
11.	em!	00:07.42
12.	SophieK	00:07.51
13.	Emzed	00:07.69
14.	Muskul23	00:08.06
15.	JernauGurgeh	00:08.35
16.	OCMEROS	00:08.84
17.	Inimini86	00:08.86
18.	Erinires	00:09.00
19.	SlugBugBlue	00:09.08
20.	HackMan	00:09.35

This Week
1.	willy86ylliw	00:03.78
2.	Piroska9	00:04.01
3.	Kukko	00:05.46
4.	Hella Stern	00:07.33
5.	SophieK	00:07.51
6.	Muskul23	00:08.71
7.	Inimini86	00:08.86
8.	JernauGurgeh	00:10.10
9.	pier0	00:10.21
10.	VampireQueen	00:10.22
11.	OCMEROS	00:10.25
12.	jacek66	00:10.90
13.	dkmvn	00:11.34
14.	Husball	00:11.61
15.	LudoA	00:11.86
16.	onetimeuse	00:12.65
17.	che123	00:12.93
17.	hexe222	00:12.93
19.	rob69	00:13.26
20.	MarlingMath	00:14.67

Today
1.	willy86ylliw	00:03.91
2.	JernauGurgeh	00:13.04
3.	LudoA	00:13.25
4.	hexe222	00:14.55
5.	MarlingMath	00:14.67
6.	jacek66	00:14.82
7.	HackMan	00:17.27
8.	eonhochang	00:19.51
9.	DumbKojiShimizu	00:19.87
10.	shfrUwU	00:21.92
11.	chrispy	00:24.86
12.	rjpuzzler	00:36.81
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	numbrr	00:02.58
2.	mtanzer	00:02.62
3.	vowels	00:02.76
4.	BingBongBob	00:03.04
5.	jaybrainer	00:03.43
6.	nabi	00:03.46
7.	Puzzleist	00:03.64
8.	Vezzick	00:03.93
8.	Arok	00:03.93
10.	Ben65732	00:04.02

AO5
1.	mtanzer	00:02.74
2.	vowels	00:02.76
3.	numbrr	00:02.83
4.	BingBongBob	00:03.16
5.	jaybrainer	00:03.59
6.	Puzzleist	00:03.72
7.	nabi	00:03.89
8.	Arok	00:03.99
9.	Vezzick	00:04.18
10.	Ben65732	00:04.19

AO12
1.	mtanzer	00:03.28
2.	numbrr	00:03.40
3.	BingBongBob	00:03.48
4.	vowels	00:03.62
5.	jaybrainer	00:04.37
6.	nabi	00:04.40
7.	Puzzleist	00:04.46
8.	Ben65732	00:04.76
9.	Vezzick	00:05.09
10.	willy86ylliw	00:05.12

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	browserEx	00:00.496
3.	Paul Bismuth	00:01.211

* 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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2026-02-21 05:08:33

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