AtomicDB

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80.9M
positions
15.6M
practically solved
294.48T
engine nodes
2.2M
analyses
1,553
in queue
14
active workers
66
active cores
9.3M
nodes / sec
19.7
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 66,379 closures, 4.17T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 220 open obligations, of which 41 (18.6%) 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 4.6m (median of 9) · measured at 2026-10-10 22:00 UTC
Closures by source, last 24h (66379 of 66379 labelled): USER 99.9% (66328) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (51) · last 7d (1653733 of 1653733): USER 99.0% (1637748) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (1962). 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
g1f3unsolved11042
g1h3unsolved8212
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3872
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
1Torom
34.1% of the fleet
1.42T9,572
2BManBJ
30.7% of the fleet
1.28T6,186
3randomchampgamer
15.9% of the fleet
660.88B2,799
4RickEdinson
10.2% of the fleet
425.10B1,869
5MoNiKaMaDnEsS
9.2% of the fleet
383.23B1,671
6soothdest
<0.1% of the fleet
25.3M4

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

All time

ContributorNodesAnalyses
1NitroColoraze
30.6% of the fleet
90.30T751,082
2BManBJ
15.5% of the fleet
45.71T316,808
3tenzink
14.5% of the fleet
42.83T349,427
4auranvesdranor
10.7% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
17.54T126,637
6RickEdinson
4.0% of the fleet
11.64T76,654
7Torom
3.6% of the fleet
10.68T78,053
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.69T44,341

and 25 more.

35 accounts · 294.69T 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 23 proposals · see every proposal

Milestones