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.	Salzzz	00:26.45
2.	Piroska9	00:27.13
3.	Praktisix	00:29.89
4.	Freakazoyd	00:30.10
5.	DrLeiknar	00:34.91
6.	dexter051	00:37.04
7.	Bluegill16384	00:37.19
8.	mjkjxp	00:37.74
9.	PuzzleMaestro	00:38.50
10.	Conceited_2	00:41.05
11.	GoldChoco36	00:45.82
12.	hamsterRG	00:49.54
13.	NyoomCat	00:51.49
14.	ashark	00:55.04
15.	echo666	00:55.40
16.	Lua	00:56.91
17.	Justabro	00:56.94
18.	jacek66	00:57.98
19.	Liyannn	00:59.31
20.	DClam	01:01.60

This Week
1.	Salzzz	00:26.45
2.	Piroska9	00:27.13
3.	Praktisix	00:29.89
4.	mjkjxp	00:37.74
5.	GoldChoco36	00:45.82
6.	Conceited_2	00:47.87
7.	hamsterRG	00:53.23
8.	echo666	00:55.40
9.	Lua	00:56.91
10.	NyoomCat	00:57.46
11.	jacek66	01:00.47
12.	DClam	01:02.79
13.	ggggoooo	01:04.23
14.	rocktree	01:07.96
15.	RisottoGroupon	01:08.60
16.	Fanoulette	01:08.75
17.	ambiorix	01:12.08
18.	Husball	01:20.05
19.	Frog1	01:21.73
20.	モグモグ	01:26.06

Today
1.	Praktisix	00:37.24
2.	mjkjxp	00:50.68
3.	echo666	00:55.40
4.	jacek66	01:06.73
5.	ggggoooo	01:21.91
6.	NyoomCat	01:24.60
7.	モグモグ	01:26.06
8.	Ariadna	01:31.23
9.	hexe222	01:44.57
10.	Filippo	01:49.95
11.	joyelin	01:57.60
12.	Pure	02:15.36
13.	chrispy	03:10.65
14.	blueberrymonsta	05:14.27
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.	Salzzz	00:24.00
10.	vowels	00:24.39

AO5
1.	numbrr	00:16.44
2.	mtanzer	00:17.36
3.	Puzzleist	00:20.55
4.	BingBongBob	00:21.57
5.	Salzzz	00:24.52
6.	Ben65732	00:24.90
7.	gtkrouwel	00:25.98
8.	vowels	00:26.16
9.	Meep	00:26.33
10.	beatrixwashere	00:26.68

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.	Salzzz	00:28.79
7.	Ben65732	00:30.68
8.	beatrixwashere	00:31.75
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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2026-02-27 15:43:57

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