AtomicDB

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76.9M
positions
14.5M
practically solved
277.16T
engine nodes
2.1M
analyses
4,142
in queue
10
active workers
52
active cores
8.0M
nodes / sec
18.6
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 18.9% of tree positions solved · last 24h: 265,790 closures, 4.32T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 218 open obligations, of which 42 (19.3%) 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 3.8h (median of 82) · measured at 2026-10-07 04:00 UTC
Closures by source, last 24h (265727 of 265727 labelled): USER 99.9% (265420) · FILL 0.1% (225) · AUTO 0.0% (25) · SOLVE 0.0% (0) · NONE 0.0% (57) · last 7d (2001289 of 2001352): USER 99.7% (1996273) · FILL 0.0% (414) · AUTO 0.0% (25) · SOLVE 0.0% (0) · NONE 0.2% (4577). 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
g1f3unsolved11042
g1h3unsolved7152
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3472
b1c3unsolved1052
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
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
35.5% of the fleet
1.53T9,806
2Torom
18.3% of the fleet
789.59B4,425
3tenzink
15.3% of the fleet
660.54B4,261
4randomchampgamer
14.3% of the fleet
618.25B3,985
5RickEdinson
10.6% of the fleet
458.94B2,792
6MoNiKaMaDnEsS
6.1% of the fleet
262.89B1,735

6 accounts · 4.32T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.6% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
42.33T345,917
3BManBJ
14.5% of the fleet
40.25T282,138
4auranvesdranor
11.3% of the fleet
31.40T228,002
5randomchampgamer
5.4% of the fleet
15.07T110,568
6JackIV
3.6% of the fleet
10.06T67,859
7RickEdinson
3.6% of the fleet
9.99T66,575
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
5.81T38,910
10Torom
1.5% of the fleet
4.19T31,704

and 25 more.

35 accounts · 277.24T 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 21 proposals · see every proposal

Milestones