AtomicDB

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68.8M
positions
12.4M
practically solved
247.38T
engine nodes
1.9M
analyses
4,840
in queue
17
active workers
120
active cores
23.7M
nodes / sec
35.5
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.1% of tree positions solved · last 24h: 383,307 closures, 6.98T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 199 open obligations, of which 32 (16.1%) 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 19.0m (median of 123) · measured at 2026-09-30 09:00 UTC
Closures by source, last 24h (383307 of 383307 labelled): USER 99.9% (383093) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (214) · last 7d (2120833 of 2120833): USER 97.9% (2077231) · FILL 0.4% (8795) · AUTO 1.5% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2742). 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
g1f3unsolved10032
g1h3unsolved7452
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
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
1gannet
40.0% of the fleet
2.80T20,663
2BManBJ
21.0% of the fleet
1.46T11,238
3auranvesdranor
14.6% of the fleet
1.02T7,784
4tenzink
8.8% of the fleet
616.21B4,467
5randomchampgamer
8.4% of the fleet
584.88B4,672
6RickEdinson
4.0% of the fleet
276.93B1,896
7MoNiKaMaDnEsS
3.3% of the fleet
227.56B1,709
8soothdest
<0.1% of the fleet
1.31B21

8 accounts · 6.98T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.5% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
37.81T314,817
3BManBJ
12.2% of the fleet
30.32T210,871
4auranvesdranor
11.7% of the fleet
28.85T208,570
5randomchampgamer
4.3% of the fleet
10.64T78,466
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.96T46,195
8MoNiKaMaDnEsS
1.8% of the fleet
4.52T29,480
9gannet
1.7% of the fleet
4.29T24,225
10NeoArcturus
1.7% of the fleet
4.09T16,758

and 25 more.

35 accounts · 247.61T 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 21 proposals · see every proposal

Milestones