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	00:11.18
2.	OCMEROS	00:14.85
3.	SSP10	00:16.87
4.	Botany	00:16.94
5.	qobi	00:21.30
6.	kennethaw88	00:21.74
7.	EdenGameMaster	00:23.19
8.	spikeydlux	00:23.74
9.	whitevoidsky	00:23.98
10.	PDX2021	00:24.97
11.	ambiorix	00:27.24
12.	hammerhead20	00:27.93
13.	nerdvert	00:28.73
14.	jacek66	00:29.05
15.	fishysua	00:29.17
16.	Lespring22	00:31.06
17.	ziairdis	00:31.31
18.	shotbyshe	00:32.84
19.	Husball	00:36.34
20.	RobertoCappello	00:37.34

This Week
1.	Piroska9	00:13.05
2.	SSP10	00:16.87
3.	Botany	00:17.96
4.	OCMEROS	00:22.44
5.	ambiorix	00:27.85
6.	hammerhead20	00:27.93
7.	PDX2021	00:28.26
8.	jacek66	00:29.05
9.	shotbyshe	00:32.84
10.	RobertoCappello	00:37.57
11.	hexe222	00:40.05
12.	readphy	00:44.73
13.	chrispy	00:50.80
14.	dkmvn	00:58.32
15.	DumbKojiShimizu	01:02.65
16.	Paul Mattson	01:05.17
17.	xilli	01:48.19
18.	Bombaster	01:51.19
19.	Brigandus	01:58.61
20.	--- empty ---	--:--

Today
1.	RobertoCappello	00:54.13
2.	chrispy	01:39.30
3.	--- empty ---	--:--
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.	numbrr	00:07.96
2.	mtanzer	00:08.43
3.	vowels	00:09.74
4.	BingBongBob	00:10.17
5.	Puzzleist	00:10.41
6.	Vezzick	00:10.88
7.	swaggerdaddyj	00:11.86
8.	Meep	00:11.99
9.	beatrixwashere	00:12.11
10.	gtkrouwel	00:12.47

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.	Vezzick	00:12.33
6.	Meep	00:12.33
8.	Ben65732	00:13.39
9.	hkjsf	00:13.60
10.	qqwref	00:13.61

AO12
1.	numbrr	00:09.19
2.	mtanzer	00:10.90
3.	Puzzleist	00:11.60
4.	vowels	00:12.09
5.	Vezzick	00:14.43
6.	Ben65732	00:14.73
7.	qqwref	00:15.25
8.	BingBongBob	00:15.47
9.	selahsea	00:15.83
10.	SilverHawk	00:17.00

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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2025-10-16 10:56:37

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