AtomicDB

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84.1M
positions
16.1M
practically solved
308.93T
engine nodes
2.3M
analyses
1
in queue
7
active workers
40
active cores
29.4M
nodes / sec
12.5
positions / min
117
proof number
4,505
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 94,692 closures, 1.81T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 216 open obligations, of which 40 (18.5%) 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 4.5m (median of 22) · measured at 2026-10-15 05:00 UTC
Closures by source, last 24h (94692 of 94692 labelled): USER 87.9% (83250) · FILL 1.4% (1333) · AUTO 10.6% (9994) · SOLVE 0.0% (0) · NONE 0.1% (115) · last 7d (889345 of 889345): USER 95.1% (845728) · FILL 0.4% (3659) · AUTO 4.4% (39466) · SOLVE 0.0% (0) · NONE 0.1% (492). 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
g1f3unsolved10842
g1h3unsolved7032
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3862
b1c3unsolved1272
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
1randomchampgamer
37.4% of the fleet
674.90B4,211
2RickEdinson
21.8% of the fleet
393.89B2,709
3BManBJ
21.4% of the fleet
386.87B4,994
4MoNiKaMaDnEsS
19.4% of the fleet
351.08B1,846

4 accounts · 1.81T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.2% of the fleet
90.30T751,082
2BManBJ
16.3% of the fleet
50.32T349,535
3tenzink
13.9% of the fleet
42.83T349,427
4auranvesdranor
10.2% of the fleet
31.40T228,002
5randomchampgamer
6.3% of the fleet
19.46T137,747
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.3% of the fleet
13.39T88,245
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.5% of the fleet
7.71T51,472
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 309.01T 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