AtomicDB

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94.8M
positions
19.5M
practically solved
344.16T
engine nodes
2.6M
analyses
1,210
in queue
14
active workers
68
active cores
103.8M
nodes / sec
49.9
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.6% of tree positions solved · last 24h: 1.2M closures, 6.53T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 208 open obligations, of which 39 (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 2.7m (median of 106) · measured at 2026-10-22 15:00 UTC
Closures by source, last 24h (1155339 of 1155339 labelled): USER 99.4% (1148335) · FILL 0.3% (3354) · AUTO 0.3% (3589) · SOLVE 0.0% (0) · NONE 0.0% (61) · last 7d (3161221 of 3161221): USER 98.1% (3101258) · FILL 0.4% (11562) · AUTO 1.4% (45522) · SOLVE 0.0% (0) · NONE 0.1% (2879). 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
g1f3unsolved11032
g1h3unsolved6302
e2e3unsolved5053
d2d4unsolved4022
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
1Torom
55.2% of the fleet
3.61T27,081
2BManBJ
29.4% of the fleet
1.92T15,125
3RickEdinson
7.6% of the fleet
495.29B3,247
4MoNiKaMaDnEsS
7.2% of the fleet
472.47B3,561
5soothdest
0.5% of the fleet
33.49B199

5 accounts · 6.53T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
26.2% of the fleet
90.30T751,082
2BManBJ
18.2% of the fleet
62.61T444,660
3tenzink
12.4% of the fleet
42.83T349,427
4Torom
9.5% of the fleet
32.85T236,112
5auranvesdranor
9.1% of the fleet
31.40T228,002
6randomchampgamer
5.8% of the fleet
19.85T140,897
7RickEdinson
4.9% of the fleet
16.83T111,379
8JackIV
2.9% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.9% of the fleet
9.82T67,887
10gannet
2.1% of the fleet
7.24T46,848

and 25 more.

35 accounts · 344.47T 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