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.	Piroska9	00:08.79
2.	Puzzleist	00:09.67
3.	boru	00:10.59
4.	Botany	00:15.29
5.	Nieznany	00:17.29
6.	Rhododendron	00:19.54
7.	Dorice	00:20.25
8.	ambiorix	00:21.00
9.	Conceited_2	00:21.57
10.	PDX2021	00:23.62
11.	whitevoidsky	00:23.65
12.	hammerhead20	00:23.72
13.	OCMEROS	00:23.86
14.	shotbyshe	00:24.05
15.	llmt9	00:24.23
16.	Kinggrun	00:24.90
17.	SlugBugBlue	00:24.94
18.	SophieK	00:28.07
19.	jacek66	00:29.73
20.	ikerrafa	00:30.72

This Week
1.	Puzzleist	00:09.67
2.	Botany	00:15.29
3.	Piroska9	00:16.18
4.	Rhododendron	00:19.54
5.	llmt9	00:24.23
6.	Kinggrun	00:24.90
7.	hammerhead20	00:25.77
8.	Dorice	00:26.37
9.	PDX2021	00:28.12
10.	Conceited_2	00:30.59
11.	ambiorix	00:31.87
12.	Husball	00:34.38
13.	jacek66	00:35.06
14.	OCMEROS	00:36.40
15.	widthofacircle	00:37.36
16.	INOKAAAA	00:41.28
17.	RobertoCappello	00:42.62
18.	maznboys67	00:42.96
19.	horst	00:43.56
20.	SUTIPOK	00:46.09

Today
1.	PDX2021	00:33.61
2.	widthofacircle	00:37.36
3.	jacek66	00:39.90
4.	INOKAAAA	00:41.28
5.	OCMEROS	00:42.26
6.	chrispy	01:08.89
7.	hexe222	01:11.75
8.	june1st1998	01:27.76
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	00:07.96
2.	mtanzer	00:08.43
3.	vowels	00:09.74
4.	BingBongBob	00:10.17
5.	Puzzleist	00:10.92
6.	swaggerdaddyj	00:11.86
7.	Meep	00:11.99
8.	beatrixwashere	00:12.11
9.	gtkrouwel	00:12.47
10.	Ben65732	00:12.85

AO5
1.	numbrr	00:08.14
2.	mtanzer	00:09.21
3.	BingBongBob	00:09.63
4.	Puzzleist	00:10.60
5.	vowels	00:11.09
6.	Meep	00:12.33
7.	Ben65732	00:13.39
8.	hkjsf	00:13.60
9.	qqwref	00:13.61
10.	Make	00:14.26

AO12
1.	numbrr	00:09.19
2.	mtanzer	00:10.90
3.	Puzzleist	00:11.60
4.	vowels	00:12.09
5.	Ben65732	00:14.73
6.	qqwref	00:15.25
7.	BingBongBob	00:15.47
8.	selahsea	00:15.83
9.	Vezzick	00:16.99
10.	SilverHawk	00:17.00

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Paul Bismuth	00:03.043
3.	Jahcreator	01:13.505

* 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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2025-08-28 15:16:27

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