AtomicDB

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78.5M
positions
15.1M
practically solved
282.91T
engine nodes
2.2M
analyses
238
in queue
14
active workers
66
active cores
50.7M
nodes / sec
28.7
positions / min
92
proof number
4,098
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 421,490 closures, 5.25T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 218 open obligations, of which 41 (18.8%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · measured at 2026-10-08 08:00 UTC
Closures by source, last 24h (421480 of 421480 labelled): USER 97.4% (410427) · FILL 0.4% (1483) · AUTO 2.2% (9472) · SOLVE 0.0% (0) · NONE 0.0% (98) · last 7d (1971025 of 1971030): USER 99.2% (1955316) · FILL 0.1% (1897) · AUTO 0.5% (9501) · SOLVE 0.0% (0) · NONE 0.2% (4311). 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
g1f3unsolved10652
g1h3unsolved7372
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3462
b1c3unsolved1252
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
1Torom
38.4% of the fleet
2.02T16,192
2BManBJ
29.0% of the fleet
1.52T11,477
3randomchampgamer
12.4% of the fleet
648.55B5,184
4RickEdinson
8.5% of the fleet
446.80B3,345
5tenzink
7.4% of the fleet
386.63B2,665
6MoNiKaMaDnEsS
4.3% of the fleet
225.91B1,930

6 accounts · 5.25T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.9% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
42.83T349,427
3BManBJ
14.8% of the fleet
42.03T295,529
4auranvesdranor
11.1% of the fleet
31.40T228,002
5randomchampgamer
5.6% of the fleet
15.82T116,579
6RickEdinson
3.7% of the fleet
10.52T70,521
7JackIV
3.6% of the fleet
10.06T67,859
8gannet
2.6% of the fleet
7.24T46,848
9Torom
2.2% of the fleet
6.21T47,896
10MoNiKaMaDnEsS
2.2% of the fleet
6.10T41,279

and 25 more.

35 accounts · 283.11T 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