AtomicDB

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82.4M
positions
15.8M
practically solved
301.02T
engine nodes
2.3M
analyses
144
in queue
13
active workers
60
active cores
32.0M
nodes / sec
33.0
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 80,543 closures, 4.52T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 217 open obligations, of which 41 (18.9%) 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 1.3m (median of 2) · measured at 2026-10-12 08:00 UTC
Closures by source, last 24h (80543 of 80543 labelled): USER 98.9% (79677) · FILL 0.2% (141) · AUTO 0.9% (690) · SOLVE 0.0% (0) · NONE 0.0% (35) · last 7d (1507673 of 1507673): USER 97.8% (1474722) · FILL 0.2% (2834) · AUTO 2.0% (29466) · SOLVE 0.0% (0) · NONE 0.0% (651). 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
g1f3unsolved10052
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3892
b1c3unsolved1272
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
1Torom
51.6% of the fleet
2.33T16,667
2BManBJ
29.0% of the fleet
1.31T7,575
3RickEdinson
9.4% of the fleet
423.62B2,378
4randomchampgamer
8.9% of the fleet
401.64B1,957
5MoNiKaMaDnEsS
1.1% of the fleet
50.67B387

5 accounts · 4.52T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.0% of the fleet
90.30T751,082
2BManBJ
15.7% of the fleet
47.41T330,098
3tenzink
14.2% of the fleet
42.83T349,427
4auranvesdranor
10.4% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
18.16T130,741
6Torom
4.7% of the fleet
14.22T103,742
7RickEdinson
4.1% of the fleet
12.21T80,911
8JackIV
3.3% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.85T46,418

and 25 more.

35 accounts · 301.28T 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