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	00:12.29
2.	Botany	00:15.98
3.	Praktisix	00:18.32
4.	CauDravan	00:19.89
5.	SSP10	00:19.96
6.	OCMEROS	00:21.07
7.	spikeydlux	00:21.34
8.	swaggerdaddyj	00:21.41
9.	PDX2021	00:21.86
10.	willy86ylliw	00:23.25
11.	hammerhead20	00:24.85
12.	lydiadeetz	00:26.48
13.	Lamiata	00:26.79
14.	dtyamada	00:27.64
15.	ambiorix	00:28.25
16.	dkmvn	00:28.75
17.	AstroNovalite	00:29.19
18.	Husball	00:30.31
19.	azherzzz	00:31.50
20.	trLBumm	00:31.59

This Week
1.	Piroska9	00:13.00
2.	spikeydlux	00:21.34
3.	OCMEROS	00:22.62
4.	PDX2021	00:28.32
5.	dkmvn	00:28.75
6.	CauDravan	00:30.81
7.	trLBumm	00:31.59
8.	jacek66	00:32.06
9.	ambiorix	00:34.13
10.	Saugust2	00:35.29
11.	RobertoCappello	00:36.71
12.	hexe222	00:37.76
13.	DumbKojiShimizu	00:40.08
14.	Fjznbeinfnn	00:45.58
15.	Santiluch	00:51.92
16.	sheepymay	00:55.32
17.	BamBamNZ	00:55.99
18.	chrispy	01:12.72
19.	yiwei416	01:13.14
20.	Darkorical	01:34.12

Today
1.	spikeydlux	00:21.34
2.	CauDravan	00:30.81
3.	trLBumm	00:31.59
4.	jacek66	00:32.06
5.	OCMEROS	00:32.56
6.	PDX2021	00:33.29
7.	RobertoCappello	00:44.04
8.	hexe222	00:51.20
9.	ambiorix	00:55.83
10.	DumbKojiShimizu	01:05.68
11.	Edith	02:26.46
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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2025-11-30 15:48:37

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