AtomicDB

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85.5M
positions
16.3M
practically solved
313.28T
engine nodes
2.4M
analyses
0
in queue
5
active workers
28
active cores
12.2M
nodes / sec
26.1
positions / min
144
proof number
4,733
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 99,978 closures, 2.30T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 210 open obligations, of which 39 (18.6%) 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 5.0m (median of 23) · measured at 2026-10-16 23:00 UTC
Closures by source, last 24h (99978 of 99978 labelled): USER 65.6% (65610) · FILL 2.1% (2062) · AUTO 32.2% (32242) · SOLVE 0.0% (0) · NONE 0.1% (64) · last 7d (695463 of 695463): USER 87.5% (608757) · FILL 1.0% (6681) · AUTO 11.4% (79535) · SOLVE 0.0% (0) · NONE 0.1% (490). 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
g1f3unsolved11442
g1h3unsolved7632
e2e3unsolved5053
d2d4unsolved4002
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
1BManBJ
66.4% of the fleet
1.53T15,714
2RickEdinson
19.3% of the fleet
444.36B4,468
3MoNiKaMaDnEsS
14.3% of the fleet
328.43B3,676

3 accounts · 2.30T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.8% of the fleet
90.30T751,082
2BManBJ
16.9% of the fleet
52.89T375,257
3tenzink
13.7% of the fleet
42.83T349,427
4auranvesdranor
10.0% of the fleet
31.40T228,002
5randomchampgamer
6.3% of the fleet
19.85T140,897
6Torom
5.0% of the fleet
15.70T113,354
7RickEdinson
4.5% of the fleet
14.15T95,626
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.35T57,610
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 313.36T 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