AtomicDB

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69.5M
positions
12.6M
practically solved
250.31T
engine nodes
1.9M
analyses
6,750
in queue
18
active workers
128
active cores
25.0M
nodes / sec
43.2
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.1% of tree positions solved · last 24h: 444,670 closures, 7.09T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 197 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 2.7m (median of 137) · measured at 2026-09-30 19:00 UTC
Closures by source, last 24h (444342 of 444342 labelled): USER 99.9% (444106) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (236) · last 7d (2287160 of 2287419): USER 98.1% (2243521) · FILL 0.4% (8795) · AUTO 1.4% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2779). 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
g1f3unsolved10512
g1h3unsolved7472
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
g2g4unsolved-6002
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
42.2% of the fleet
2.99T23,023
2BManBJ
21.1% of the fleet
1.50T11,546
3auranvesdranor
14.8% of the fleet
1.05T7,970
4randomchampgamer
8.7% of the fleet
617.77B4,982
5tenzink
8.1% of the fleet
573.05B4,040
6RickEdinson
2.7% of the fleet
191.39B1,219
7MoNiKaMaDnEsS
2.4% of the fleet
171.16B1,351
8soothdest
<0.1% of the fleet
1.47B35

8 accounts · 7.09T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.0% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
38.01T316,025
3BManBJ
12.3% of the fleet
30.93T215,502
4auranvesdranor
11.7% of the fleet
29.29T211,872
5randomchampgamer
4.3% of the fleet
10.90T80,531
6JackIV
4.0% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
7.02T46,499
8gannet
2.2% of the fleet
5.63T34,377
9MoNiKaMaDnEsS
1.8% of the fleet
4.59T29,990
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 250.57T 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