AtomicDB

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90.2M
positions
17.5M
practically solved
331.53T
engine nodes
2.5M
analyses
694
in queue
14
active workers
64
active cores
11.6M
nodes / sec
43.3
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.4% of tree positions solved · last 24h: 525,075 closures, 4.29T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 202 open obligations, of which 37 (18.3%) 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 1.9m (median of 112) · measured at 2026-10-20 20:00 UTC
Closures by source, last 24h (524965 of 525024 labelled): USER 99.3% (521190) · FILL 0.7% (3637) · AUTO 0.0% (75) · SOLVE 0.0% (0) · NONE 0.0% (63) · last 7d (1473633 of 1473684): USER 94.5% (1392735) · FILL 0.7% (10732) · AUTO 4.6% (67208) · SOLVE 0.0% (0) · NONE 0.2% (2958). 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
g1f3unsolved10732
g1h3unsolved6262
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4002
b1c3unsolved1382
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
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
42.5% of the fleet
1.82T13,476
2Torom
40.4% of the fleet
1.73T11,444
3RickEdinson
11.0% of the fleet
470.53B2,693
4MoNiKaMaDnEsS
5.6% of the fleet
239.61B1,509
5Imusing
0.5% of the fleet
22.40B147

5 accounts · 4.29T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
27.2% of the fleet
90.30T751,082
2BManBJ
17.8% of the fleet
59.11T417,227
3tenzink
12.9% of the fleet
42.83T349,427
4auranvesdranor
9.5% of the fleet
31.40T228,002
5Torom
7.6% of the fleet
25.21T178,695
6randomchampgamer
6.0% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
15.93T105,686
8JackIV
3.0% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
9.01T61,926
10gannet
2.2% of the fleet
7.24T46,848

and 25 more.

35 accounts · 331.58T 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