AtomicDB

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81.8M
positions
15.7M
practically solved
297.97T
engine nodes
2.3M
analyses
4,676
in queue
14
active workers
66
active cores
61.6M
nodes / sec
33.7
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 86,764 closures, 3.78T 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 (86764 of 86764 labelled): USER 79.7% (69153) · FILL 0.7% (625) · AUTO 19.5% (16931) · SOLVE 0.0% (0) · NONE 0.1% (55) · last 7d (1599224 of 1599224): USER 98.0% (1566716) · FILL 0.2% (2696) · AUTO 1.8% (28883) · SOLVE 0.0% (0) · NONE 0.1% (929). 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
g1f3unsolved10262
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
41.0% of the fleet
1.55T11,076
2BManBJ
30.4% of the fleet
1.15T9,515
3randomchampgamer
15.2% of the fleet
575.35B3,789
4RickEdinson
10.4% of the fleet
393.56B3,000
5MoNiKaMaDnEsS
3.0% of the fleet
114.56B1,690

5 accounts · 3.78T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.3% of the fleet
90.30T751,082
2BManBJ
15.7% of the fleet
46.81T326,062
3tenzink
14.4% of the fleet
42.83T349,427
4auranvesdranor
10.5% of the fleet
31.40T228,002
5randomchampgamer
6.1% of the fleet
18.09T130,302
6Torom
4.0% of the fleet
12.07T88,319
7RickEdinson
4.0% of the fleet
12.02T79,568
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 · 298.22T 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