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	00:13.39
2.	Oryn	00:14.29
3.	SilverHawk	00:16.39
4.	OCMEROS	00:22.27
5.	EdenGameMaster	00:25.71
6.	Scorer	00:26.72
7.	Rhododendron	00:26.81
8.	llmt9	00:26.93
9.	LbdT1008	00:29.90
10.	Kutner17	00:30.42
11.	pz	00:32.10
12.	jacek66	00:32.65
13.	Dorice	00:36.90
14.	Sawdust99	00:40.49
15.	mattlancs	00:40.54
16.	Fanoulette	00:41.43
17.	sporg	00:42.65
18.	PDX2021	00:43.53
19.	bastim86	00:44.66
20.	snakeeyes	00:45.64

This Week
1.	Piroska9	00:17.78
2.	OCMEROS	00:22.27
3.	Scorer	00:26.72
4.	llmt9	00:28.90
5.	jacek66	00:32.65
6.	pz	00:34.74
7.	Dorice	00:36.90
8.	Sawdust99	00:40.49
9.	mattlancs	00:40.54
10.	Fanoulette	00:41.43
11.	snakeeyes	00:45.64
12.	Lespring22	00:49.20
13.	Ariadna	00:59.32
14.	DumbKojiShimizu	01:03.68
15.	Wuni14	01:50.36
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Today
1.	Scorer	00:26.72
2.	pz	00:34.74
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
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17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	numbrr	00:08.54
2.	mtanzer	00:09.89
3.	Puzzleist	00:12.59
4.	BingBongBob	00:13.29
5.	Make	00:14.17
6.	Vezzick	00:15.64
7.	Piroska9	00:16.07
8.	qqwref	00:16.91
9.	Ben65732	00:17.53
10.	selahsea	00:18.19

AO5
1.	numbrr	00:10.38
2.	mtanzer	00:11.18
3.	Puzzleist	00:13.12
4.	BingBongBob	00:13.65
5.	Piroska9	00:16.67
6.	Make	00:16.96
7.	Vezzick	00:19.06
8.	Ben65732	00:19.14
9.	qqwref	00:20.29
10.	selahsea	00:21.22

AO12
1.	mtanzer	00:13.48
2.	numbrr	00:13.75
3.	Puzzleist	00:15.06
4.	BingBongBob	00:17.70
5.	Ben65732	00:23.60
6.	selahsea	00:24.99
7.	qqwref	00:25.71
8.	beatrixwashere	00:25.92
9.	Vezzick	00:26.41
10.	SilverHawk	00:26.45

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	Paul Bismuth	00:03.074
3.	Pfana	00:57.919

* 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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2025-10-04 14:30:24

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