AtomicDB

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82.8M
positions
15.8M
practically solved
302.99T
engine nodes
2.3M
analyses
1,900
in queue
5
active workers
36
active cores
6.8M
nodes / sec
14.9
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 68,099 closures, 2.98T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 218 open obligations, of which 41 (18.8%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · positions a visitor asked for close in 3.0m (median of 17) · measured at 2026-10-13 04:00 UTC
Closures by source, last 24h (68092 of 68092 labelled): USER 98.7% (67201) · FILL 0.4% (240) · AUTO 0.9% (598) · SOLVE 0.0% (0) · NONE 0.1% (53) · last 7d (1412230 of 1412237): USER 97.7% (1379587) · FILL 0.2% (2747) · AUTO 2.1% (29481) · SOLVE 0.0% (0) · NONE 0.0% (415). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11282
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3932
b1c3unsolved1272
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-733
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
c2c4unsolved-7003

Contributors by engine nodes

Every position in this tree was searched by somebody's machine. Ties share a place, and the share is measured against everything the whole fleet searched in that window.

Last 24 hours

ContributorNodesAnalyses
1BManBJ
46.0% of the fleet
1.37T8,418
2Torom
33.8% of the fleet
1.01T6,641
3RickEdinson
14.6% of the fleet
433.06B2,698
4MoNiKaMaDnEsS
5.5% of the fleet
163.27B1,111
5randomchampgamer
0.1% of the fleet
4.26B36

5 accounts · 2.98T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.8% of the fleet
90.30T751,082
2BManBJ
16.0% of the fleet
48.51T336,860
3tenzink
14.1% of the fleet
42.83T349,427
4auranvesdranor
10.4% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
18.16T130,777
6Torom
4.8% of the fleet
14.40T104,848
7RickEdinson
4.1% of the fleet
12.57T83,094
8JackIV
3.3% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
7.00T47,400

and 25 more.

35 accounts · 303.08T nodes searched by the whole fleet.

Proposed campaigns

Anyone can put a line up and vote for it. The site owner decides which one the solver actually runs.

Showing the 6 most voted of 23 proposals · see every proposal

Milestones