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.	Freakazoyd	00:40.23
6.	OCMEROS	00:40.98
6.	mjkjxp	00:40.98
8.	dkxxznxxx	00:42.13
9.	Conceited_2	00:42.47
10.	Irisa	00:43.30
11.	dfhsjdfkjhfs	00:44.63
12.	spikeydlux	00:46.38
13.	dtyamada	00:46.65
14.	Linie	00:48.96
15.	iamstupid	00:50.34
16.	Santiluch	00:50.48
17.	Dorice	00:52.24
18.	PDX2021	00:54.06
19.	Bega	00:55.56
20.	Zhivko	00:56.38

This Week
1.	Praktisix	00:30.08
2.	Piroska9	00:36.45
3.	OCMEROS	00:40.98
3.	mjkjxp	00:40.98
5.	Conceited_2	00:42.47
6.	dtyamada	00:46.65
7.	spikeydlux	00:47.03
8.	Zhivko	00:56.38
9.	Dorice	00:59.14
10.	Wageszera	01:08.24
11.	NyoomCat	01:14.03
12.	DClam	01:14.62
13.	PDX2021	01:21.67
14.	ambiorix	01:23.68
15.	squeezle	01:25.14
16.	Lamiata	01:32.73
17.	dkmvn	01:33.53
18.	Filippo	01:41.13
19.	Linie	01:42.16
20.	Ariadna	01:45.35

Today
1.	Praktisix	00:30.08
2.	mjkjxp	00:42.82
3.	Dorice	01:06.06
4.	DClam	01:14.62
5.	Filippo	01:45.64
6.	hexe222	01:53.01
7.	Ingrid59	02:04.66
8.	Eag1eWedgetai1	02:47.52
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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2025-12-18 19:03:39

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