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	00:03.53
2.	Puzzleist	00:04.17
3.	willy86ylliw	00:04.81
4.	Truth-or-Peace	00:05.59
5.	OCMEROS	00:06.70
6.	kennethaw88	00:06.78
7.	Muskul23	00:06.94
8.	Alyname	00:07.20
9.	llmt9	00:07.48
10.	mfcs3	00:07.68
11.	pouldu	00:07.69
12.	thrasymachus	00:07.80
13.	SlugBugBlue	00:07.87
14.	qobi	00:08.21
15.	Puzzleee	00:08.26
16.	whitevoidsky	00:08.84
17.	JernauGurgeh	00:08.92
18.	Conceited_2	00:09.07
19.	jacek66	00:09.08
20.	hammerhead20	00:09.26

This Week
1.	Puzzleist	00:04.50
2.	willy86ylliw	00:05.31
3.	qobi	00:08.21
4.	OCMEROS	00:08.30
5.	Conceited_2	00:09.07
6.	jacek66	00:09.08
7.	Muskul23	00:09.26
7.	hammerhead20	00:09.26
9.	PDX2021	00:10.02
10.	JernauGurgeh	00:10.05
11.	boiboi7788	00:10.44
12.	KongeBob	00:10.55
13.	lydiadeetz	00:10.74
14.	Magdela	00:10.89
15.	eidothia	00:10.96
16.	HackMan	00:11.01
17.	llmt9	00:11.27
18.	papergoat9	00:11.94
19.	hexe222	00:12.14
20.	alxp1	00:12.86

Today
1.	HackMan	00:11.01
2.	papergoat9	00:11.94
3.	Magdela	00:13.90
4.	profTomi	00:14.63
5.	grimgrin	00:15.76
6.	SmallBlack	00:16.36
7.	INOKAAAA	00:19.14
8.	hexe222	00:20.40
9.	CaptainBen	00:30.60
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	00:02.58
2.	mtanzer	00:02.62
3.	vowels	00:02.76
4.	BingBongBob	00:03.04
5.	nabi	00:03.46
6.	jaybrainer	00:03.70
7.	Arok	00:03.93
8.	Ben65732	00:04.02
9.	Piroska9	00:04.11
10.	Vezzick	00:04.15

AO5
1.	mtanzer	00:02.74
2.	vowels	00:02.76
3.	numbrr	00:02.83
4.	BingBongBob	00:03.16
5.	jaybrainer	00:03.85
6.	nabi	00:03.89
7.	Arok	00:03.99
8.	Ben65732	00:04.19
9.	Vezzick	00:04.37
10.	Piroska9	00:04.48

AO12
1.	mtanzer	00:03.28
2.	numbrr	00:03.40
3.	BingBongBob	00:03.48
4.	vowels	00:03.62
5.	nabi	00:04.40
6.	Ben65732	00:04.76
7.	jaybrainer	00:04.96
8.	Puzzleist	00:05.21
9.	Arok	00:05.49
10.	Piroska9	00:05.52

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	browserEx	00:00.496
3.	Paul Bismuth	00:01.211

* 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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2025-08-20 11:47:25

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