AtomicDB

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102.2M
positions
21.5M
practically solved
373.74T
engine nodes
2.8M
analyses
174
in queue
14
active workers
68
active cores
97.8M
nodes / sec
25.9
positions / min
107
proof number
4,824
disproof number
Root conquest: 0/20 first moves solved · 21.1% of tree positions solved · last 24h: 192,416 closures, 2.90T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 203 open obligations, of which 37 (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 3.1h (median of 3) · measured at 2026-10-28 16:00 UTC
Closures by source, last 24h (192416 of 192416 labelled): USER 99.6% (191606) · FILL 0.4% (691) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (119) · last 7d (2951903 of 2951903): USER 99.1% (2924564) · FILL 0.3% (8825) · AUTO 0.6% (18022) · SOLVE 0.0% (0) · NONE 0.0% (492). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11882
g1h3unsolved8202
e2e3unsolved4693
d2d4unsolved4052
e2e4unsolved4012
b1c3unsolved1382
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-593
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
c2c4unsolved-7003

Best and worst values over time, and the main line

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
49.9% of the fleet
1.45T7,402
2Torom
20.2% of the fleet
586.58B3,496
3RickEdinson
17.8% of the fleet
516.68B2,759
4MoNiKaMaDnEsS
12.1% of the fleet
351.52B2,187

4 accounts · 2.90T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
24.1% of the fleet
90.30T751,082
2BManBJ
19.5% of the fleet
73.08T510,442
3Torom
12.6% of the fleet
47.09T341,159
4tenzink
11.5% of the fleet
42.83T349,427
5auranvesdranor
8.4% of the fleet
31.40T228,002
6randomchampgamer
5.3% of the fleet
19.85T140,897
7RickEdinson
5.3% of the fleet
19.74T129,390
8MoNiKaMaDnEsS
3.1% of the fleet
11.70T80,512
9JackIV
2.7% of the fleet
10.06T67,859
10gannet
1.9% of the fleet
7.24T46,848

and 25 more.

35 accounts · 373.97T 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