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	00:12.58
2.	RaiT	00:15.72
3.	OCMEROS	00:18.37
4.	spikeydlux	00:18.44
5.	ambiorix	00:22.46
6.	danpuzzler	00:23.78
7.	Bluegill16384	00:24.11
8.	PDX2021	00:24.36
9.	professor_brie	00:25.12
10.	llmt9	00:25.37
11.	Husball	00:25.95
12.	dtyamada	00:26.92
13.	hammerhead20	00:27.85
14.	RobertoCappello	00:29.87
15.	turk16	00:30.23
16.	CauDravan	00:30.81
17.	Santiluch	00:31.14
18.	trLBumm	00:31.59
19.	dkmvn	00:31.92
20.	jacek66	00:32.06

This Week
1.	Piroska9	00:16.68
2.	OCMEROS	00:20.82
3.	danpuzzler	00:25.16
4.	llmt9	00:25.37
5.	dkmvn	00:31.92
6.	RobertoCappello	00:34.15
7.	PDX2021	00:36.04
8.	ambiorix	00:38.45
9.	DumbKojiShimizu	00:40.56
10.	turk16	00:42.57
11.	hexe222	00:46.62
12.	serket	00:49.72
13.	Emzed	00:53.45
14.	chrispy	00:54.65
15.	red7911	01:20.63
16.	tim1724	02:19.10
17.	dbut2	24d 20:31:23.64
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Today
1.	RobertoCappello	00:41.66
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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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2025-12-25 08:24:23

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