AtomicDB

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82.5M
positions
15.8M
practically solved
301.62T
engine nodes
2.3M
analyses
38
in queue
5
active workers
28
active cores
8.0M
nodes / sec
6.5
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 83,661 closures, 4.65T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 217 open obligations, of which 41 (18.9%) 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 7.5m (median of 9) · measured at 2026-10-12 11:00 UTC
Closures by source, last 24h (83661 of 83661 labelled): USER 99.0% (82786) · FILL 0.3% (241) · AUTO 0.7% (598) · SOLVE 0.0% (0) · NONE 0.0% (36) · last 7d (1502878 of 1502878): USER 97.8% (1469908) · FILL 0.2% (2936) · AUTO 2.0% (29481) · SOLVE 0.0% (0) · NONE 0.0% (553). 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
g1f3unsolved10632
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
54.2% of the fleet
2.52T17,773
2BManBJ
28.2% of the fleet
1.31T7,858
3RickEdinson
9.1% of the fleet
425.08B2,437
4randomchampgamer
7.3% of the fleet
340.46B1,735
5MoNiKaMaDnEsS
1.1% of the fleet
50.67B387

5 accounts · 4.65T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.9% of the fleet
90.30T751,082
2BManBJ
15.8% of the fleet
47.55T330,863
3tenzink
14.2% of the fleet
42.83T349,427
4auranvesdranor
10.4% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
18.16T130,741
6Torom
4.8% of the fleet
14.40T104,848
7RickEdinson
4.1% of the fleet
12.25T81,114
8JackIV
3.3% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.85T46,418

and 25 more.

35 accounts · 301.65T 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