AtomicDB

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68.1M
positions
12.3M
practically solved
245.29T
engine nodes
1.9M
analyses
1,165
in queue
19
active workers
132
active cores
27.6M
nodes / sec
39.6
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 334,905 closures, 7.00T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 198 open obligations, of which 32 (16.2%) 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 3.4m (median of 63) · measured at 2026-09-30 02:00 UTC
Closures by source, last 24h (334649 of 334704 labelled): USER 99.9% (334421) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (228) · last 7d (1977702 of 1977903): USER 97.8% (1934108) · FILL 0.4% (8795) · AUTO 1.6% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2734). 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
g1f3unsolved10502
g1h3unsolved7592
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-2993
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
38.8% of the fleet
2.72T15,953
2BManBJ
20.4% of the fleet
1.43T10,807
3auranvesdranor
14.5% of the fleet
1.01T7,778
4randomchampgamer
8.3% of the fleet
584.45B4,636
5tenzink
8.0% of the fleet
562.97B3,967
6RickEdinson
5.5% of the fleet
388.41B2,588
7MoNiKaMaDnEsS
4.3% of the fleet
301.41B2,254
8soothdest
<0.1% of the fleet
1.31B21

8 accounts · 7.00T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.8% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
37.60T313,245
3BManBJ
12.2% of the fleet
29.85T207,189
4auranvesdranor
11.6% of the fleet
28.52T206,091
5randomchampgamer
4.3% of the fleet
10.46T76,999
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.94T46,034
8MoNiKaMaDnEsS
1.8% of the fleet
4.44T28,819
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 245.40T 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