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.

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This Month
1.	Puzzleist	00:19.23
2.	TheLoneWolf	00:19.46
3.	Piroska9	00:25.26
4.	Praktisix	00:29.34
5.	boru	00:31.99
6.	Oryn	00:34.27
7.	mjkjxp	00:38.06
8.	OCMEROS	00:38.68
9.	Conceited_2	00:41.69
10.	SophieK	00:43.44
11.	ashark	00:43.55
12.	Zhivko	00:45.78
13.	whitevoidsky	00:46.98
14.	hammerhead20	00:49.01
15.	SlugBugBlue	00:50.50
16.	PDX2021	00:51.37
17.	Gamer26	00:52.18
18.	Dorice	00:53.48
19.	DClam	00:55.55
20.	jacek66	01:00.69

This Week
1.	TheLoneWolf	00:19.46
2.	Puzzleist	00:19.47
3.	Praktisix	00:29.34
4.	Oryn	00:34.27
5.	ashark	00:43.55
6.	mjkjxp	00:45.49
7.	whitevoidsky	00:46.98
8.	Conceited_2	00:47.62
9.	Dorice	00:53.48
10.	PDX2021	00:53.51
11.	OCMEROS	00:54.26
12.	DClam	01:09.27
13.	jacek66	01:09.87
14.	llmt9	01:14.74
15.	ambiorix	01:18.28
16.	Wuni14	01:20.61
17.	hexe222	01:25.80
18.	DumbKojiShimizu	01:28.03
19.	RisottoGroupon	01:32.81
20.	Filippo	01:35.92

Today
1.	Puzzleist	00:20.04
2.	Praktisix	00:38.44
3.	Dorice	00:53.48
4.	ambiorix	01:29.34
5.	Filippo	01:41.01
6.	hexe222	02:03.60
7.	karia	02:04.23
8.	chrispy	05:29.39
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.	BingBongBob	00:20.80
4.	Ben65732	00:22.09
5.	Meep	00:22.43
6.	Puzzleist	00:23.00
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.	BingBongBob	00:21.57
4.	Puzzleist	00:24.23
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.	qqwref	00:28.92

AO12
1.	numbrr	00:20.79
2.	mtanzer	00:23.77
3.	BingBongBob	00:26.21
4.	Puzzleist	00:27.50
5.	gtkrouwel	00:28.69
6.	Ben65732	00:30.68
7.	beatrixwashere	00:31.75
8.	SilverHawk	00:33.56
9.	TMG	00:33.71
10.	Salzzz	00:34.12

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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2025-08-20 17:20:35

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