AtomicDB

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78.6M
positions
15.1M
practically solved
283.16T
engine nodes
2.2M
analyses
593
in queue
14
active workers
66
active cores
8.2M
nodes / sec
31.9
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 407,701 closures, 5.40T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 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 1.1h (median of 1) · measured at 2026-10-08 09:00 UTC
Closures by source, last 24h (407701 of 407701 labelled): USER 96.6% (394023) · FILL 0.4% (1657) · AUTO 2.9% (11927) · SOLVE 0.0% (0) · NONE 0.0% (94) · last 7d (1944920 of 1944920): USER 99.1% (1926621) · FILL 0.1% (2071) · AUTO 0.6% (11952) · SOLVE 0.0% (0) · NONE 0.2% (4276). 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
g1f3unsolved10262
g1h3unsolved7372
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3462
b1c3unsolved1252
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
40.7% of the fleet
2.20T16,921
2BManBJ
28.3% of the fleet
1.53T11,231
3randomchampgamer
12.2% of the fleet
658.39B5,146
4RickEdinson
8.3% of the fleet
448.23B3,280
5tenzink
6.6% of the fleet
355.89B2,434
6MoNiKaMaDnEsS
3.9% of the fleet
209.45B1,792

6 accounts · 5.40T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.9% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
42.83T349,427
3BManBJ
14.9% of the fleet
42.11T295,815
4auranvesdranor
11.1% of the fleet
31.40T228,002
5randomchampgamer
5.6% of the fleet
15.86T116,778
6RickEdinson
3.7% of the fleet
10.54T70,625
7JackIV
3.5% of the fleet
10.06T67,859
8gannet
2.6% of the fleet
7.24T46,848
9Torom
2.3% of the fleet
6.39T48,625
10MoNiKaMaDnEsS
2.2% of the fleet
6.10T41,279

and 25 more.

35 accounts · 283.43T 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