AtomicDB

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54.9M
positions
8.6M
practically solved
198.79T
engine nodes
1.6M
analyses
4,969
in queue
13
active workers
80
active cores
2.1M
nodes / sec
24.2
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.7% of tree positions solved · last 24h: 309,535 closures, 4.17T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 170 open obligations, of which 30 (17.6%) 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 22.9m (median of 203) · measured at 2026-09-17 17:00 UTC
Closures by source, last 24h (309535 of 309535 labelled): USER 99.8% (308878) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (657) · last 7d (1368158 of 1368158): USER 94.8% (1297233) · FILL 0.7% (9720) · AUTO 4.2% (57154) · SOLVE 0.0% (0) · NONE 0.3% (4051). 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
g1h3unsolved7752
e2e3unsolved5023
e2e4unsolved4092
d2d4unsolved4082
b1c3unsolved742
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
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
1auranvesdranor
36.4% of the fleet
1.52T11,604
2BManBJ
33.1% of the fleet
1.38T10,620
3tenzink
14.6% of the fleet
609.09B2,871
4randomchampgamer
14.2% of the fleet
593.11B4,698
5MoNiKaMaDnEsS
1.7% of the fleet
71.42B449

5 accounts · 4.17T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.0% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
33.36T285,052
3auranvesdranor
10.6% of the fleet
21.05T150,338
4BManBJ
10.2% of the fleet
20.32T136,610
5JackIV
4.0% of the fleet
7.94T56,572
6randomchampgamer
3.3% of the fleet
6.63T46,916
7RickEdinson
3.2% of the fleet
6.32T41,667
8NeoArcturus
2.1% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.8% of the fleet
3.51T22,400

and 22 more.

32 accounts · 198.92T 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 19 proposals · see every proposal

Milestones