AtomicDB

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79.5M
positions
15.3M
practically solved
287.03T
engine nodes
2.2M
analyses
5,356
in queue
6
active workers
34
active cores
8.4M
nodes / sec
11.6
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 187,976 closures, 3.71T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 218 open obligations, of which 40 (18.3%) 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 4.6h (median of 116) · measured at 2026-10-09 09:00 UTC
Closures by source, last 24h (187968 of 187968 labelled): USER 100.0% (187906) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (62) · last 7d (1684384 of 1684392): USER 99.0% (1666994) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.2% (3367). 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
g1f3unsolved10732
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3762
b1c3unsolved1272
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
1BManBJ
40.8% of the fleet
1.51T9,827
2Torom
26.9% of the fleet
997.82B7,237
3randomchampgamer
17.7% of the fleet
656.18B4,508
4RickEdinson
11.9% of the fleet
441.69B2,694
5MoNiKaMaDnEsS
2.7% of the fleet
100.14B729
6soothdest
0.1% of the fleet
2.73B31
7NeoArcturus
<0.1% of the fleet
546.0M5

7 accounts · 3.71T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.5% of the fleet
90.30T751,082
2BManBJ
15.2% of the fleet
43.62T305,612
3tenzink
14.9% of the fleet
42.83T349,427
4auranvesdranor
10.9% of the fleet
31.40T228,002
5randomchampgamer
5.8% of the fleet
16.52T121,267
6RickEdinson
3.8% of the fleet
10.98T73,305
7JackIV
3.5% of the fleet
10.06T67,859
8Torom
2.6% of the fleet
7.37T55,749
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.2% of the fleet
6.20T42,008

and 25 more.

35 accounts · 287.12T 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 22 proposals · see every proposal

Milestones