AtomicDB

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81.8M
positions
15.7M
practically solved
297.97T
engine nodes
2.3M
analyses
4,755
in queue
14
active workers
66
active cores
13.1M
nodes / sec
34.5
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 94,437 closures, 3.77T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 218 open obligations, of which 41 (18.8%) 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 1.7m (median of 14) · measured at 2026-10-11 21:00 UTC
Closures by source, last 24h (94437 of 94437 labelled): USER 81.3% (76819) · FILL 0.7% (625) · AUTO 17.9% (16931) · SOLVE 0.0% (0) · NONE 0.1% (62) · last 7d (1602504 of 1602504): USER 98.0% (1569970) · FILL 0.2% (2696) · AUTO 1.8% (28883) · SOLVE 0.0% (0) · NONE 0.1% (955). 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
g1f3unsolved10822
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3892
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
40.7% of the fleet
1.53T11,125
2BManBJ
30.5% of the fleet
1.15T9,574
3randomchampgamer
15.3% of the fleet
574.96B3,792
4RickEdinson
10.4% of the fleet
392.81B3,007
5MoNiKaMaDnEsS
3.0% of the fleet
114.56B1,690

5 accounts · 3.77T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.3% of the fleet
90.30T751,082
2BManBJ
15.7% of the fleet
46.77T325,848
3tenzink
14.4% of the fleet
42.83T349,427
4auranvesdranor
10.5% of the fleet
31.40T228,002
5randomchampgamer
6.1% of the fleet
18.07T130,192
6RickEdinson
4.0% of the fleet
12.01T79,496
7Torom
4.0% of the fleet
11.94T87,527
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.80T46,031

and 25 more.

35 accounts · 298.03T 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