AtomicDB

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83.9M
positions
16.0M
practically solved
308.45T
engine nodes
2.3M
analyses
0
in queue
5
active workers
34
active cores
4.3M
nodes / sec
25.6
positions / min
99
proof number
4,516
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 98,610 closures, 1.81T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 216 open obligations, of which 40 (18.5%) 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 22.2m (median of 8) · measured at 2026-10-15 00:00 UTC
Closures by source, last 24h (98610 of 98610 labelled): USER 93.8% (92465) · FILL 1.0% (1034) · AUTO 5.1% (4987) · SOLVE 0.0% (0) · NONE 0.1% (124) · last 7d (1030516 of 1030516): USER 96.3% (991878) · FILL 0.4% (3684) · AUTO 3.3% (34459) · SOLVE 0.0% (0) · NONE 0.0% (495). 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
g1f3unsolved11372
g1h3unsolved7032
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3952
b1c3unsolved1272
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
1randomchampgamer
37.5% of the fleet
677.07B3,394
2MoNiKaMaDnEsS
23.0% of the fleet
415.09B2,360
3RickEdinson
21.9% of the fleet
395.87B2,441
4BManBJ
17.6% of the fleet
318.79B3,179

4 accounts · 1.81T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.3% of the fleet
90.30T751,082
2BManBJ
16.2% of the fleet
50.02T346,335
3tenzink
13.9% of the fleet
42.83T349,427
4auranvesdranor
10.2% of the fleet
31.40T228,002
5randomchampgamer
6.3% of the fleet
19.33T136,583
6Torom
5.1% of the fleet
15.70T113,354
7RickEdinson
4.3% of the fleet
13.30T87,336
8JackIV
3.3% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.5% of the fleet
7.71T51,450
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 308.49T 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