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	00:25.57
2.	Praktisix	00:25.68
3.	DrLeiknar	00:31.90
4.	dexter051	00:34.13
5.	OCMEROS	00:35.68
6.	Conceited_2	00:35.89
7.	dkxxznxxx	00:42.13
8.	mjkjxp	00:42.47
9.	Irisa	00:43.30
10.	dfhsjdfkjhfs	00:44.63
11.	spikeydlux	00:45.02
12.	Linie	00:48.96
13.	iamstupid	00:50.34
14.	Santiluch	00:50.48
15.	Dorice	00:52.24
16.	PDX2021	00:54.06
17.	Bega	00:55.56
18.	AstroNovalite	00:56.97
19.	lydiadeetz	00:58.37
20.	hammerhead20	00:58.55

This Week
1.	Piroska9	00:26.94
2.	DrLeiknar	00:31.90
3.	Praktisix	00:32.51
4.	dkxxznxxx	00:42.13
5.	Irisa	00:43.30
6.	dfhsjdfkjhfs	00:44.63
7.	mjkjxp	00:48.67
8.	Linie	00:48.96
9.	OCMEROS	00:49.01
10.	spikeydlux	00:51.68
11.	Conceited_2	00:54.71
12.	Dorice	00:55.17
13.	hammerhead20	00:58.55
14.	PDX2021	00:59.20
15.	shotbyshe	01:08.95
16.	Wageszera	01:10.06
17.	DClam	01:15.61
18.	hexe222	01:24.72
19.	NyoomCat	01:34.99
20.	FunAcroFly	01:36.59

Today
1.	Piroska9	00:34.79
2.	Praktisix	00:36.27
3.	mjkjxp	00:55.67
4.	DClam	01:18.65
5.	Linie	01:37.94
6.	hexe222	01:45.19
7.	Filippo	01:48.09
8.	paejunk	02:17.18
9.	Guille	02:18.36
10.	RefriedNoodleNL	02:18.38
11.	chrispy	02:30.53
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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2025-12-09 19:48:08

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