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	00:12.62
2.	Oryn	00:14.17
3.	Meerkat	00:15.72
4.	Botany	00:16.36
5.	Nieznany	00:18.60
6.	OCMEROS	00:20.82
7.	miloš petronijević	00:21.22
7.	aequidens	00:21.22
9.	danpuzzler	00:25.16
10.	hammerhead20	00:25.19
11.	turk16	00:25.86
12.	PDX2021	00:26.44
13.	ambiorix	00:27.33
14.	RobertoCappello	00:28.23
15.	Inimini86	00:29.99
16.	51N3W4V3	00:30.98
17.	dkmvn	00:31.42
18.	jjbduke2004	00:32.20
19.	Reticle	00:36.40
20.	GammaK25	00:36.46

This Week
1.	Piroska9	00:12.62
2.	Nieznany	00:18.60
3.	OCMEROS	00:21.40
4.	hammerhead20	00:25.19
5.	turk16	00:25.86
6.	dkmvn	00:31.42
7.	ambiorix	00:31.54
8.	jjbduke2004	00:32.20
9.	PDX2021	00:32.48
10.	RobertoCappello	00:33.72
11.	Reticle	00:36.40
12.	Ariadna	00:36.60
13.	Takalu	00:37.04
14.	hexe222	00:41.17
15.	viysid	00:48.52
16.	jhawardast	00:50.84
17.	Husball	00:54.18
18.	chrispy	00:58.82
19.	giadacoricciati	01:00.36
20.	dominika1990	01:02.35

Today
1.	RobertoCappello	00:36.94
2.	hexe222	00:49.26
3.	chrispy	02:32.50
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
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.	ShengtongZhang	00:00.32
2.	Jeck Lim's Humble Ow...	00:00.85
3.	numbrr	00:07.96
4.	mtanzer	00:08.43
5.	vowels	00:09.74
6.	BingBongBob	00:10.17
7.	Puzzleist	00:10.41
8.	Vezzick	00:10.88
9.	swaggerdaddyj	00:11.86
10.	Meep	00:11.99

AO5
1.	ShengtongZhang	00:00.31
2.	Jeck Lim's Humble Ow...	00:00.90
3.	numbrr	00:08.14
4.	mtanzer	00:09.21
5.	BingBongBob	00:09.63
6.	Puzzleist	00:10.60
7.	vowels	00:11.09
8.	Vezzick	00:12.33
8.	Meep	00:12.33
10.	Ben65732	00:13.39

AO12
1.	ShengtongZhang	00:00.32
2.	numbrr	00:09.19
3.	mtanzer	00:10.90
4.	Puzzleist	00:11.60
5.	vowels	00:12.09
6.	Vezzick	00:14.43
7.	Ben65732	00:14.73
8.	qqwref	00:15.25
9.	BingBongBob	00:15.47
10.	selahsea	00:15.83

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Paul Bismuth	00:03.043
3.	atomicsound	00:51.958

* 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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2026-01-20 10:08:23

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