AtomicDB

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72.2M
positions
13.4M
practically solved
258.55T
engine nodes
2.0M
analyses
8,516
in queue
12
active workers
78
active cores
24.1M
nodes / sec
24.5
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.5% of tree positions solved · last 24h: 512,230 closures, 5.30T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 202 open obligations, of which 33 (16.3%) 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 3.3m (median of 46) · measured at 2026-10-02 04:00 UTC
Closures by source, last 24h (512085 of 512098 labelled): USER 99.8% (511129) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (956) · last 7d (2960843 of 2960880): USER 98.5% (2916087) · FILL 0.3% (8795) · AUTO 1.1% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3896). 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
g1h3unsolved8202
e2e3unsolved4613
d2d4unsolved4392
e2e4unsolved3992
b1c3unsolved1312
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-3053
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
1BManBJ
27.5% of the fleet
1.46T11,549
2auranvesdranor
19.8% of the fleet
1.05T7,995
3tenzink
12.4% of the fleet
658.24B4,801
4randomchampgamer
11.8% of the fleet
625.41B4,884
5MoNiKaMaDnEsS
9.0% of the fleet
478.29B3,686
6gannet
8.6% of the fleet
457.71B3,545
7RickEdinson
8.6% of the fleet
453.10B3,306
8quasa
2.3% of the fleet
120.64B937

8 accounts · 5.30T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
34.9% of the fleet
90.30T751,082
2tenzink
15.0% of the fleet
38.91T322,689
3BManBJ
12.7% of the fleet
32.95T231,500
4auranvesdranor
11.9% of the fleet
30.71T222,728
5randomchampgamer
4.5% of the fleet
11.75T87,215
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
3.0% of the fleet
7.63T50,965
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.13T34,180
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 258.66T 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