AtomicDB

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85.7M
positions
16.3M
practically solved
314.57T
engine nodes
2.4M
analyses
234
in queue
5
active workers
28
active cores
14.1M
nodes / sec
5.9
positions / min
151
proof number
4,667
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 50,871 closures, 2.11T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 212 open obligations, of which 39 (18.4%) 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 2.1m (median of 13) · measured at 2026-10-17 15:00 UTC
Closures by source, last 24h (50858 of 50858 labelled): USER 83.9% (42684) · FILL 1.9% (981) · AUTO 14.0% (7105) · SOLVE 0.0% (0) · NONE 0.2% (88) · last 7d (688463 of 688463): USER 87.2% (600556) · FILL 1.0% (6903) · AUTO 11.7% (80477) · SOLVE 0.0% (0) · NONE 0.1% (527). 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
g1f3unsolved11592
g1h3unsolved8212
e2e3unsolved5053
d2d4unsolved4002
e2e4unsolved4002
b1c3unsolved1382
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
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
65.9% of the fleet
1.39T7,456
2RickEdinson
23.5% of the fleet
495.03B2,620
3MoNiKaMaDnEsS
10.6% of the fleet
224.07B1,350

3 accounts · 2.11T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.7% of the fleet
90.30T751,082
2BManBJ
17.1% of the fleet
53.69T379,308
3tenzink
13.6% of the fleet
42.83T349,427
4auranvesdranor
10.0% of the fleet
31.40T228,002
5randomchampgamer
6.3% of the fleet
19.85T140,897
6Torom
5.0% of the fleet
15.70T113,354
7RickEdinson
4.6% of the fleet
14.48T97,170
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.48T58,201
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 314.61T 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