AtomicDB

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65.0M
positions
11.6M
practically solved
233.08T
engine nodes
1.8M
analyses
7,371
in queue
10
active workers
64
active cores
28.4M
nodes / sec
19.7
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 336,967 closures, 3.36T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 191 open obligations, of which 30 (15.7%) 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 2.7m (median of 193) · measured at 2026-09-27 23:00 UTC
Closures by source, last 24h (336798 of 336798 labelled): USER 99.5% (334968) · FILL 0.1% (477) · AUTO 0.3% (1085) · SOLVE 0.0% (0) · NONE 0.1% (268) · last 7d (1328584 of 1328595): USER 96.8% (1285988) · FILL 0.7% (8795) · AUTO 2.4% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1736). 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
g1f3unsolved10022
g1h3unsolved8202
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved1832
c2c3unsolved192
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
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
36.0% of the fleet
1.21T8,622
2auranvesdranor
26.5% of the fleet
889.40B6,004
3randomchampgamer
17.1% of the fleet
572.74B4,506
4tenzink
16.9% of the fleet
566.22B3,644
5MoNiKaMaDnEsS
2.9% of the fleet
98.75B664
6soothdest
0.5% of the fleet
17.08B132
7rhaxier
<0.1% of the fleet
1.66B13
8bricerichmond
<0.1% of the fleet
700.3M6

8 accounts · 3.36T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.7% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.43T305,574
3BManBJ
11.5% of the fleet
26.84T184,606
4auranvesdranor
11.3% of the fleet
26.34T189,332
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
4.0% of the fleet
9.23T67,085
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.8% of the fleet
4.09T16,756
10ijh
1.5% of the fleet
3.57T37,348

and 23 more.

33 accounts · 233.21T 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