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	00:03.53
2.	willy86ylliw	00:03.66
3.	Meerkat	00:05.65
4.	Uthon	00:06.86
5.	OCMEROS	00:07.21
6.	boiboi7788	00:07.36
7.	Muskul23	00:07.42
8.	Hella Stern	00:07.43
9.	spikeydlux	00:07.80
10.	dtyamada	00:08.01
11.	JernauGurgeh	00:08.17
12.	Aubelle	00:08.22
13.	hammerhead20	00:08.29
14.	crema	00:08.74
15.	CauDravan	00:08.76
16.	jorekami	00:08.78
17.	iamstupid	00:09.45
18.	XxuanX	00:09.56
19.	SlugBugBlue	00:09.76
20.	WIKENSDIKS	00:09.77

This Week
1.	Piroska9	00:03.86
2.	willy86ylliw	00:03.88
3.	Hella Stern	00:07.43
4.	OCMEROS	00:07.47
5.	spikeydlux	00:07.80
6.	JernauGurgeh	00:08.17
7.	iamstupid	00:09.45
8.	XxuanX	00:09.56
9.	Muskul23	00:09.92
10.	qwsa88	00:11.06
11.	Conceited_2	00:11.11
12.	LudoA	00:11.17
13.	dkmvn	00:11.56
14.	HackMan	00:12.15
15.	PDX2021	00:14.41
16.	AceMafia	00:14.87
17.	BamBamNZ	00:15.03
18.	Dookie1091	00:15.43
19.	hexe222	00:15.53
20.	Gr5org	00:15.68

Today
1.	willy86ylliw	00:04.58
2.	JernauGurgeh	00:08.17
3.	Hella Stern	00:08.36
4.	Muskul23	00:09.92
5.	LudoA	00:13.16
6.	AceMafia	00:14.87
7.	BamBamNZ	00:15.03
8.	hexe222	00:16.68
9.	KGee	00:18.27
10.	LrCaWm	00:18.64
11.	MarlingMath	00:19.46
12.	KylieBindiRosRo	00:20.51
13.	HackMan	00:22.99
14.	ambiorix	00:23.09
15.	Janbee	00:32.21
16.	limo926	00:36.21
17.	DumbKojiShimizu	00:37.34
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.	Arok	00:05.49

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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2025-12-18 23:38:50

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