AtomicDB

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89.7M
positions
17.3M
practically solved
329.79T
engine nodes
2.5M
analyses
60
in queue
5
active workers
28
active cores
10.2M
nodes / sec
10.9
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 471,998 closures, 3.73T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 202 open obligations, of which 37 (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 2.2m (median of 84) · measured at 2026-10-20 14:00 UTC
Closures by source, last 24h (471880 of 471880 labelled): USER 99.5% (469556) · FILL 0.5% (2202) · AUTO 0.0% (75) · SOLVE 0.0% (0) · NONE 0.0% (47) · last 7d (1344225 of 1344343): USER 94.1% (1264785) · FILL 0.7% (9286) · AUTO 5.0% (67208) · SOLVE 0.0% (0) · NONE 0.2% (2946). 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
g1f3unsolved11492
g1h3unsolved8212
e2e3unsolved5053
d2d4unsolved4012
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
47.4% of the fleet
1.77T13,189
2Torom
34.5% of the fleet
1.29T8,146
3RickEdinson
11.3% of the fleet
422.36B2,426
4MoNiKaMaDnEsS
6.1% of the fleet
228.07B1,551
5Imusing
0.6% of the fleet
22.40B147

5 accounts · 3.73T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
27.4% of the fleet
90.30T751,082
2BManBJ
17.8% of the fleet
58.69T414,235
3tenzink
13.0% of the fleet
42.83T349,427
4auranvesdranor
9.5% of the fleet
31.40T228,002
5Torom
7.3% of the fleet
24.16T171,483
6randomchampgamer
6.0% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
15.81T105,180
8JackIV
3.0% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.93T61,458
10gannet
2.2% of the fleet
7.24T46,848

and 25 more.

35 accounts · 329.93T 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