AtomicDB

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77.6M
positions
14.8M
practically solved
279.55T
engine nodes
2.1M
analyses
1,098
in queue
9
active workers
48
active cores
2.6M
nodes / sec
18.4
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 332,066 closures, 3.81T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 220 open obligations, of which 42 (19.1%) 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 7.2m (median of 145) · measured at 2026-10-07 20:00 UTC
Closures by source, last 24h (331956 of 331969 labelled): USER 99.9% (331736) · FILL 0.0% (126) · AUTO 0.0% (25) · SOLVE 0.0% (0) · NONE 0.0% (69) · last 7d (1959055 of 1959152): USER 99.7% (1954019) · FILL 0.0% (420) · AUTO 0.0% (25) · SOLVE 0.0% (0) · NONE 0.2% (4591). 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
g1f3unsolved10922
g1h3unsolved7782
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3062
b1c3unsolved1252
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
40.4% of the fleet
1.54T10,432
2tenzink
17.6% of the fleet
669.60B4,529
3randomchampgamer
16.6% of the fleet
632.63B4,488
4RickEdinson
12.3% of the fleet
468.09B3,068
5Torom
7.0% of the fleet
264.91B793
6MoNiKaMaDnEsS
6.2% of the fleet
235.22B1,732

6 accounts · 3.81T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.3% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
42.77T349,042
3BManBJ
14.7% of the fleet
41.23T289,211
4auranvesdranor
11.2% of the fleet
31.40T228,002
5randomchampgamer
5.5% of the fleet
15.48T113,727
6RickEdinson
3.7% of the fleet
10.30T68,744
7JackIV
3.6% of the fleet
10.06T67,859
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
6.01T40,335
10Torom
1.5% of the fleet
4.19T31,704

and 25 more.

35 accounts · 279.57T 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 21 proposals · see every proposal

Milestones