AtomicDB

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97.8M
positions
20.5M
practically solved
354.48T
engine nodes
2.7M
analyses
548
in queue
13
active workers
60
active cores
86.8M
nodes / sec
40.7
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 21.0% of tree positions solved · last 24h: 614,836 closures, 7.75T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 203 open obligations, of which 38 (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 2.2m (median of 21) · measured at 2026-10-23 23:00 UTC
Closures by source, last 24h (614836 of 614836 labelled): USER 100.0% (614783) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (53) · last 7d (3917269 of 3917269): USER 99.4% (3894488) · FILL 0.2% (9605) · AUTO 0.3% (10311) · SOLVE 0.0% (0) · NONE 0.1% (2865). 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
g1f3unsolved11512
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
66.2% of the fleet
5.13T38,932
2BManBJ
25.1% of the fleet
1.94T13,991
3RickEdinson
6.1% of the fleet
469.92B3,034
4MoNiKaMaDnEsS
2.6% of the fleet
205.12B1,583
5soothdest
<0.1% of the fleet
1.66B13
6NeoArcturus
<0.1% of the fleet
128.1M2

6 accounts · 7.75T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
25.5% of the fleet
90.30T751,082
2BManBJ
18.4% of the fleet
65.18T463,443
3tenzink
12.1% of the fleet
42.83T349,427
4Torom
11.1% of the fleet
39.51T286,929
5auranvesdranor
8.9% of the fleet
31.40T228,002
6randomchampgamer
5.6% of the fleet
19.85T140,897
7RickEdinson
4.9% of the fleet
17.45T115,541
8MoNiKaMaDnEsS
2.8% of the fleet
10.07T69,767
9JackIV
2.8% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 354.57T 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