AtomicDB

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80.5M
positions
15.5M
practically solved
291.82T
engine nodes
2.2M
analyses
1,477
in queue
7
active workers
42
active cores
10.9M
nodes / sec
10.3
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 216,425 closures, 4.70T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 219 open obligations, of which 41 (18.7%) 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 9.5h (median of 13) · measured at 2026-10-10 10:00 UTC
Closures by source, last 24h (216424 of 216424 labelled): USER 100.0% (216365) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (59) · last 7d (1669477 of 1669478): USER 99.0% (1653094) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (2360). 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
g1f3unsolved10742
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3872
b1c3unsolved1272
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
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
1Torom
40.2% of the fleet
1.89T12,733
2BManBJ
29.1% of the fleet
1.37T7,545
3randomchampgamer
14.5% of the fleet
682.41B3,908
4RickEdinson
9.4% of the fleet
441.56B2,274
5MoNiKaMaDnEsS
6.8% of the fleet
318.29B1,708
6soothdest
<0.1% of the fleet
8.0M17

6 accounts · 4.70T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.9% of the fleet
90.30T751,082
2BManBJ
15.4% of the fleet
45.05T313,604
3tenzink
14.7% of the fleet
42.83T349,427
4auranvesdranor
10.8% of the fleet
31.40T228,002
5randomchampgamer
5.9% of the fleet
17.23T125,385
6RickEdinson
3.9% of the fleet
11.44T75,708
7JackIV
3.4% of the fleet
10.06T67,859
8Torom
3.2% of the fleet
9.26T68,482
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.2% of the fleet
6.52T43,716

and 25 more.

35 accounts · 291.93T 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 22 proposals · see every proposal

Milestones