AtomicDB

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53.7M
positions
8.3M
practically solved
195.17T
engine nodes
1.5M
analyses
3,507
in queue
11
active workers
72
active cores
9.0M
nodes / sec
22.1
positions / min
131
proof number
3,716
disproof number
Root conquest: 0/20 first moves solved · 15.4% of tree positions solved · last 24h: 328,518 closures, 4.78T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 164 open obligations, of which 30 (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 7.1h (median of 114) · measured at 2026-09-16 20:00 UTC
Closures by source, last 24h (328450 of 328450 labelled): USER 99.8% (327861) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (589) · last 7d (1231210 of 1231278): USER 90.9% (1118753) · FILL 1.3% (16449) · AUTO 7.5% (92096) · SOLVE 0.0% (0) · NONE 0.3% (3912). 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
g1f3unsolved10832
g1h3unsolved8202
e2e3unsolved5023
e2e4unsolved4092
d2d4unsolved4082
b1c3unsolved742
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
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
1auranvesdranor
30.8% of the fleet
1.47T11,355
2BManBJ
28.7% of the fleet
1.37T10,211
3tenzink
13.6% of the fleet
652.14B4,150
4randomchampgamer
11.8% of the fleet
565.97B4,456
5MoNiKaMaDnEsS
7.1% of the fleet
341.08B2,184
6JackIV
6.2% of the fleet
295.46B1,826
7NeoArcturus
1.8% of the fleet
85.13B244

7 accounts · 4.78T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.8% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
32.83T282,518
3auranvesdranor
10.1% of the fleet
19.69T139,964
4BManBJ
9.8% of the fleet
19.12T127,324
5JackIV
4.1% of the fleet
7.94T56,572
6RickEdinson
3.2% of the fleet
6.32T41,667
7randomchampgamer
3.1% of the fleet
6.11T42,783
8NeoArcturus
2.1% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.8% of the fleet
3.45T21,978

and 22 more.

32 accounts · 195.25T 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 18 proposals · see every proposal

Milestones