AtomicDB

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80.4M
positions
15.5M
practically solved
291.55T
engine nodes
2.2M
analyses
2,209
in queue
7
active workers
42
active cores
29.8M
nodes / sec
4.2
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 224,935 closures, 4.67T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 219 open obligations, of which 41 (18.7%) 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 1.8d (median of 19) · measured at 2026-10-10 08:00 UTC
Closures by source, last 24h (224935 of 224935 labelled): USER 100.0% (224877) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (58) · last 7d (1663373 of 1663373): USER 99.0% (1646888) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (2462). 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
g1f3unsolved10802
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3792
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
40.4% of the fleet
1.89T12,733
2BManBJ
29.8% of the fleet
1.39T7,786
3randomchampgamer
14.7% of the fleet
688.48B4,107
4RickEdinson
9.5% of the fleet
444.88B2,502
5MoNiKaMaDnEsS
5.6% of the fleet
262.83B1,326
6soothdest
<0.1% of the fleet
8.0M17

6 accounts · 4.67T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.0% of the fleet
90.30T751,082
2BManBJ
15.4% of the fleet
44.94T312,949
3tenzink
14.7% of the fleet
42.83T349,427
4auranvesdranor
10.8% of the fleet
31.40T228,002
5randomchampgamer
5.9% of the fleet
17.18T125,147
6RickEdinson
3.9% of the fleet
11.41T75,659
7JackIV
3.4% of the fleet
10.06T67,859
8Torom
3.2% of the fleet
9.26T68,482
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.2% of the fleet
6.46T43,334

and 25 more.

35 accounts · 291.68T 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 22 proposals · see every proposal

Milestones