AtomicDB

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71.7M
positions
13.2M
practically solved
257.25T
engine nodes
2.0M
analyses
7,346
in queue
11
active workers
72
active cores
8.4M
nodes / sec
23.4
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.4% of tree positions solved · last 24h: 502,058 closures, 6.20T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 198 open obligations, of which 32 (16.2%) 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 2.2m (median of 105) · measured at 2026-10-01 21:00 UTC
Closures by source, last 24h (501877 of 501877 labelled): USER 99.8% (501090) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (787) · last 7d (2832167 of 2832250): USER 98.4% (2787739) · FILL 0.3% (8795) · AUTO 1.1% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3568). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11012
g1h3unsolved8202
e2e3unsolved4613
d2d4unsolved4372
e2e4unsolved3992
b1c3unsolved1312
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-972
d2d3unsolved-982
f2f3unsolved-1173
a2a3unsolved-1272
b2b3unsolved-1441
f2f4unsolved-3053
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6022
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
1BManBJ
23.8% of the fleet
1.47T11,564
2gannet
21.5% of the fleet
1.33T10,304
3auranvesdranor
16.8% of the fleet
1.04T7,924
4tenzink
10.8% of the fleet
671.83B4,937
5randomchampgamer
10.0% of the fleet
622.15B4,865
6MoNiKaMaDnEsS
7.7% of the fleet
479.08B3,697
7RickEdinson
7.4% of the fleet
458.50B3,340
8quasa
1.9% of the fleet
120.64B937

8 accounts · 6.20T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.1% of the fleet
90.30T751,082
2tenzink
15.0% of the fleet
38.73T321,282
3BManBJ
12.6% of the fleet
32.52T227,985
4auranvesdranor
11.8% of the fleet
30.41T220,385
5randomchampgamer
4.5% of the fleet
11.56T85,758
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.51T49,986
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.07T33,687
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 257.37T 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 21 proposals · see every proposal

Milestones