AtomicDB

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72.8M
positions
13.5M
practically solved
260.52T
engine nodes
2.0M
analyses
12,471
in queue
10
active workers
56
active cores
7.1M
nodes / sec
17.5
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.6% of tree positions solved · last 24h: 369,765 closures, 4.38T 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 33.3m (median of 19) · measured at 2026-10-02 15:00 UTC
Closures by source, last 24h (369700 of 369700 labelled): USER 99.7% (368675) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.3% (1025) · last 7d (3033009 of 3033071): USER 98.5% (2987834) · FILL 0.3% (8795) · AUTO 1.1% (32065) · SOLVE 0.0% (0) · NONE 0.1% (4315). 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
g1h3unsolved7252
e2e3unsolved4883
d2d4unsolved4392
e2e4unsolved4172
b1c3unsolved1202
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
34.0% of the fleet
1.49T11,703
2auranvesdranor
22.8% of the fleet
999.20B7,687
3tenzink
14.4% of the fleet
631.01B4,636
4randomchampgamer
14.3% of the fleet
627.34B4,867
5RickEdinson
10.1% of the fleet
439.85B3,277
6MoNiKaMaDnEsS
4.2% of the fleet
183.91B1,439
7soothdest
0.1% of the fleet
5.48B51

7 accounts · 4.38T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
34.6% of the fleet
90.30T751,082
2tenzink
15.0% of the fleet
39.20T324,808
3BManBJ
12.9% of the fleet
33.63T236,707
4auranvesdranor
12.0% of the fleet
31.15T226,067
5randomchampgamer
4.6% of the fleet
12.04T89,541
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
3.0% of the fleet
7.84T52,503
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.17T34,516
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 260.61T 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