AtomicDB

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66.5M
positions
12.0M
practically solved
239.12T
engine nodes
1.9M
analyses
9,922
in queue
20
active workers
136
active cores
53.3M
nodes / sec
26.6
positions / min
83
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 303,559 closures, 5.26T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 198 open obligations, of which 33 (16.7%) 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 7.1m (median of 211) · measured at 2026-09-29 05:00 UTC
Closures by source, last 24h (303527 of 303527 labelled): USER 99.8% (302774) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (753) · last 7d (1688319 of 1688351): USER 97.4% (1644937) · FILL 0.5% (8795) · AUTO 1.9% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2522). 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
g1f3unsolved11002
g1h3unsolved8072
e2e3unsolved5053
d2d4unsolved4372
e2e4unsolved4172
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1103
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
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
1BManBJ
27.2% of the fleet
1.43T10,627
2auranvesdranor
19.9% of the fleet
1.05T8,034
3gannet
19.0% of the fleet
1.00T2,156
4randomchampgamer
11.5% of the fleet
602.87B4,933
5tenzink
10.6% of the fleet
555.21B3,465
6uipio
5.8% of the fleet
306.01B1,428
7RickEdinson
2.2% of the fleet
116.03B822
8rhaxier
1.3% of the fleet
66.09B448
9MoNiKaMaDnEsS
1.3% of the fleet
65.87B480
10bricerichmond
1.0% of the fleet
55.13B84

and 2 more.

12 accounts · 5.26T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.7% of the fleet
90.30T751,082
2tenzink
15.5% of the fleet
37.10T309,654
3BManBJ
12.0% of the fleet
28.61T197,846
4auranvesdranor
11.6% of the fleet
27.65T199,420
5JackIV
4.2% of the fleet
10.06T67,859
6randomchampgamer
4.2% of the fleet
9.96T72,996
7RickEdinson
2.8% of the fleet
6.61T43,892
8MoNiKaMaDnEsS
1.8% of the fleet
4.20T27,044
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 239.35T 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