AtomicDB

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68.2M
positions
12.3M
practically solved
245.59T
engine nodes
1.9M
analyses
688
in queue
19
active workers
132
active cores
4.6M
nodes / sec
36.9
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.0% of tree positions solved · last 24h: 340,045 closures, 7.09T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 199 open obligations, of which 32 (16.1%) 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 1.9m (median of 73) · measured at 2026-09-30 03:00 UTC
Closures by source, last 24h (340009 of 340018 labelled): USER 99.9% (339784) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (225) · last 7d (1999904 of 1999931): USER 97.8% (1956309) · FILL 0.4% (8795) · AUTO 1.6% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2735). 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
g1f3unsolved10382
g1h3unsolved8122
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
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
1gannet
39.1% of the fleet
2.78T16,791
2BManBJ
20.3% of the fleet
1.44T10,886
3auranvesdranor
14.4% of the fleet
1.02T7,814
4randomchampgamer
8.2% of the fleet
584.83B4,646
5tenzink
8.1% of the fleet
575.54B4,086
6RickEdinson
5.4% of the fleet
386.44B2,571
7MoNiKaMaDnEsS
4.4% of the fleet
311.86B2,333
8soothdest
<0.1% of the fleet
1.31B21

8 accounts · 7.09T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.7% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
37.63T313,474
3BManBJ
12.2% of the fleet
29.92T207,723
4auranvesdranor
11.6% of the fleet
28.57T206,465
5randomchampgamer
4.3% of the fleet
10.49T77,204
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.96T46,163
8MoNiKaMaDnEsS
1.8% of the fleet
4.45T28,929
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 25 more.

35 accounts · 245.73T 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