AtomicDB

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79.7M
positions
15.3M
practically solved
287.98T
engine nodes
2.2M
analyses
4,414
in queue
15
active workers
74
active cores
32.9M
nodes / sec
30.8
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 193,779 closures, 3.39T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 219 open obligations, of which 40 (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 21.2h (median of 1) · measured at 2026-10-09 14:00 UTC
Closures by source, last 24h (193779 of 193779 labelled): USER 100.0% (193733) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (46) · last 7d (1665684 of 1665684): USER 99.0% (1648484) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.2% (3177). 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
g1f3unsolved10452
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
1BManBJ
44.6% of the fleet
1.51T10,010
2Torom
19.9% of the fleet
673.87B4,346
3randomchampgamer
19.5% of the fleet
661.69B4,644
4RickEdinson
13.1% of the fleet
443.85B2,750
5MoNiKaMaDnEsS
2.9% of the fleet
97.44B664
6soothdest
<0.1% of the fleet
8.0M17

6 accounts · 3.39T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.3% of the fleet
90.30T751,082
2BManBJ
15.2% of the fleet
43.94T307,681
3tenzink
14.9% of the fleet
42.83T349,427
4auranvesdranor
10.9% of the fleet
31.40T228,002
5randomchampgamer
5.8% of the fleet
16.66T122,171
6RickEdinson
3.8% of the fleet
11.08T73,847
7JackIV
3.5% of the fleet
10.06T67,859
8Torom
2.7% of the fleet
7.90T59,174
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.2% of the fleet
6.23T42,194

and 25 more.

35 accounts · 288.25T 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