AtomicDB

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98.9M
positions
20.7M
practically solved
359.16T
engine nodes
2.7M
analyses
1,784
in queue
14
active workers
68
active cores
93.7M
nodes / sec
40.0
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.9% of tree positions solved · last 24h: 210,424 closures, 7.80T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 73 over 204 open obligations, of which 37 (18.1%) 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 3.7m (median of 6) · measured at 2026-10-24 13:00 UTC
Closures by source, last 24h (210424 of 210424 labelled): USER 100.0% (210352) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (72) · last 7d (4046678 of 4046678): USER 99.5% (4026592) · FILL 0.2% (9042) · AUTO 0.2% (8185) · SOLVE 0.0% (0) · NONE 0.1% (2859). 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
g1f3unsolved12172
g1h3unsolved6522
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4012
b1c3unsolved1382
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
1Torom
67.8% of the fleet
5.29T40,453
2BManBJ
21.7% of the fleet
1.69T11,609
3RickEdinson
6.0% of the fleet
468.31B3,204
4MoNiKaMaDnEsS
4.5% of the fleet
351.50B2,743
5soothdest
<0.1% of the fleet
1.66B13

5 accounts · 7.80T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
25.1% of the fleet
90.30T751,082
2BManBJ
18.4% of the fleet
66.09T470,283
3tenzink
11.9% of the fleet
42.83T349,427
4Torom
11.9% of the fleet
42.64T311,171
5auranvesdranor
8.7% of the fleet
31.40T228,002
6randomchampgamer
5.5% of the fleet
19.85T140,897
7RickEdinson
4.9% of the fleet
17.72T117,584
8MoNiKaMaDnEsS
2.9% of the fleet
10.42T72,510
9JackIV
2.8% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 359.23T 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