AtomicDB

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69.0M
positions
12.5M
practically solved
248.22T
engine nodes
1.9M
analyses
4,846
in queue
17
active workers
120
active cores
7.1M
nodes / sec
36.7
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.1% of tree positions solved · last 24h: 397,260 closures, 6.93T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 200 open obligations, of which 32 (16.0%) 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 4.5h (median of 136) · measured at 2026-09-30 12:00 UTC
Closures by source, last 24h (397118 of 397118 labelled): USER 99.9% (396881) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (237) · last 7d (2159998 of 2160140): USER 98.0% (2116373) · FILL 0.4% (8795) · AUTO 1.5% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2765). 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
g1f3unsolved10312
g1h3unsolved6582
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
40.2% of the fleet
2.78T21,257
2BManBJ
21.3% of the fleet
1.48T11,322
3auranvesdranor
14.6% of the fleet
1.01T7,721
4tenzink
8.9% of the fleet
615.13B4,408
5randomchampgamer
8.5% of the fleet
591.26B4,738
6RickEdinson
3.4% of the fleet
234.54B1,608
7MoNiKaMaDnEsS
3.1% of the fleet
212.59B1,592
8soothdest
<0.1% of the fleet
1.31B21

8 accounts · 6.93T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.4% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
37.88T315,231
3BManBJ
12.3% of the fleet
30.48T212,129
4auranvesdranor
11.7% of the fleet
28.96T209,396
5randomchampgamer
4.3% of the fleet
10.71T78,996
6JackIV
4.1% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.96T46,195
8gannet
1.8% of the fleet
4.59T26,551
9MoNiKaMaDnEsS
1.8% of the fleet
4.52T29,480
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 248.32T 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