AtomicDB

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71.3M
positions
13.1M
practically solved
256.09T
engine nodes
2.0M
analyses
4,742
in queue
14
active workers
81
active cores
7.0M
nodes / sec
26.8
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.4% of tree positions solved · last 24h: 519,578 closures, 6.97T 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 10.4h (median of 97) · measured at 2026-10-01 15:00 UTC
Closures by source, last 24h (519516 of 519516 labelled): USER 99.9% (518964) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (552) · last 7d (2742071 of 2742133): USER 98.4% (2697889) · FILL 0.3% (8795) · AUTO 1.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3322). 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
g1h3unsolved8182
e2e3unsolved4573
d2d4unsolved4342
e2e4unsolved3992
b1c3unsolved1312
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
31.3% of the fleet
2.18T16,870
2BManBJ
21.0% of the fleet
1.47T11,350
3auranvesdranor
14.9% of the fleet
1.04T7,909
4tenzink
9.2% of the fleet
638.52B4,691
5randomchampgamer
9.0% of the fleet
626.78B5,018
6MoNiKaMaDnEsS
6.7% of the fleet
464.13B3,595
7RickEdinson
6.2% of the fleet
433.65B3,035
8quasa
1.7% of the fleet
120.64B937
9soothdest
<0.1% of the fleet
1.47B35

9 accounts · 6.97T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.2% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.57T320,204
3BManBJ
12.5% of the fleet
32.15T225,089
4auranvesdranor
11.8% of the fleet
30.15T218,441
5randomchampgamer
4.5% of the fleet
11.42T84,710
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.40T49,251
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
1.9% of the fleet
4.99T33,123
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 256.27T 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