AtomicDB

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71.1M
positions
13.1M
practically solved
255.64T
engine nodes
2.0M
analyses
2,663
in queue
17
active workers
94
active cores
22.7M
nodes / sec
30.1
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.4% of tree positions solved · last 24h: 502,387 closures, 7.11T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 199 open obligations, of which 31 (15.6%) 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 8.4h (median of 117) · measured at 2026-10-01 13:00 UTC
Closures by source, last 24h (502321 of 502367 labelled): USER 99.9% (501799) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (522) · last 7d (2685107 of 2685125): USER 98.4% (2640957) · FILL 0.3% (8795) · AUTO 1.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3290). 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
g1f3unsolved11012
g1h3unsolved8152
e2e3unsolved4573
d2d4unsolved4342
e2e4unsolved4172
b1c3unsolved1872
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
d2d3unsolved-1162
f2f3unsolved-1173
a2a3unsolved-1272
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
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
1gannet
34.8% of the fleet
2.47T18,997
2BManBJ
20.6% of the fleet
1.46T11,299
3auranvesdranor
14.7% of the fleet
1.04T7,906
4randomchampgamer
8.8% of the fleet
624.92B5,021
5tenzink
8.6% of the fleet
608.77B4,423
6MoNiKaMaDnEsS
5.6% of the fleet
400.00B3,081
7RickEdinson
5.6% of the fleet
395.12B2,782
8quasa
1.3% of the fleet
94.04B729
9soothdest
<0.1% of the fleet
1.47B35

9 accounts · 7.10T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.3% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.51T319,788
3BManBJ
12.5% of the fleet
32.01T223,986
4auranvesdranor
11.8% of the fleet
30.06T217,706
5randomchampgamer
4.4% of the fleet
11.36T84,238
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.36T48,977
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
1.9% of the fleet
4.92T32,561
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 255.77T 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