AtomicDB

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53.9M
positions
8.4M
practically solved
195.69T
engine nodes
1.6M
analyses
2,220
in queue
10
active workers
56
active cores
15.8M
nodes / sec
19.2
positions / min
131
proof number
3,716
disproof number
Root conquest: 0/20 first moves solved · 15.5% of tree positions solved · last 24h: 349,387 closures, 4.62T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 165 open obligations, of which 30 (18.2%) 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 24.5m (median of 134) · measured at 2026-09-16 23:00 UTC
Closures by source, last 24h (349386 of 349386 labelled): USER 99.8% (348762) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (624) · last 7d (1269799 of 1269800): USER 91.2% (1157476) · FILL 1.3% (16251) · AUTO 7.3% (92096) · SOLVE 0.0% (0) · NONE 0.3% (3976). 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
g1f3unsolved10792
g1h3unsolved8202
e2e3unsolved5023
e2e4unsolved4092
d2d4unsolved4082
b1c3unsolved742
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
h2h4unsolved-5002
a2a4unsolved-5022
g2g4unsolved-6002
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
1auranvesdranor
32.1% of the fleet
1.48T11,442
2BManBJ
29.4% of the fleet
1.36T10,535
3tenzink
13.9% of the fleet
642.78B3,923
4randomchampgamer
12.2% of the fleet
562.42B4,427
5MoNiKaMaDnEsS
7.4% of the fleet
341.08B2,184
6JackIV
3.2% of the fleet
148.24B866
7NeoArcturus
1.8% of the fleet
85.13B244

7 accounts · 4.62T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.7% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
32.91T282,881
3auranvesdranor
10.2% of the fleet
19.88T141,392
4BManBJ
9.9% of the fleet
19.31T128,822
5JackIV
4.1% of the fleet
7.94T56,572
6RickEdinson
3.2% of the fleet
6.32T41,667
7randomchampgamer
3.2% of the fleet
6.19T43,424
8NeoArcturus
2.1% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.8% of the fleet
3.45T21,978

and 22 more.

32 accounts · 195.79T 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 18 proposals · see every proposal

Milestones