AtomicDB

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100.1M
positions
21.0M
practically solved
363.80T
engine nodes
2.7M
analyses
1,208
in queue
5
active workers
28
active cores
24.5M
nodes / sec
8.1
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 21.0% of tree positions solved · last 24h: 173,972 closures, 2.74T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 199 open obligations, of which 36 (18.1%) 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 2.5m (median of 28) · measured at 2026-10-25 19:00 UTC
Closures by source, last 24h (173933 of 173933 labelled): USER 99.6% (173312) · FILL 0.3% (476) · AUTO 0.0% (64) · SOLVE 0.0% (0) · NONE 0.0% (81) · last 7d (4128113 of 4128152): USER 99.6% (4111427) · FILL 0.2% (8749) · AUTO 0.1% (5050) · SOLVE 0.0% (0) · NONE 0.1% (2887). 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
g1f3unsolved12382
g1h3unsolved7752
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4012
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
62.5% of the fleet
1.71T10,782
2RickEdinson
17.1% of the fleet
467.62B3,025
3Torom
15.0% of the fleet
410.38B2,704
4MoNiKaMaDnEsS
5.4% of the fleet
148.73B1,045

4 accounts · 2.74T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
24.8% of the fleet
90.30T751,082
2BManBJ
18.8% of the fleet
68.26T483,911
3Torom
12.1% of the fleet
44.19T322,289
4tenzink
11.8% of the fleet
42.83T349,427
5auranvesdranor
8.6% of the fleet
31.40T228,002
6randomchampgamer
5.5% of the fleet
19.85T140,897
7RickEdinson
5.0% of the fleet
18.31T121,421
8MoNiKaMaDnEsS
2.9% of the fleet
10.70T74,511
9JackIV
2.8% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 363.83T 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