AtomicDB

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80.5M
positions
15.6M
practically solved
292.09T
engine nodes
2.2M
analyses
1,557
in queue
7
active workers
42
active cores
25.1M
nodes / sec
4.5
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 213,533 closures, 4.57T 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 1.4d (median of 3) · measured at 2026-10-10 12:00 UTC
Closures by source, last 24h (213533 of 213533 labelled): USER 100.0% (213477) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (56) · last 7d (1668340 of 1668340): USER 99.0% (1652018) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (2299). 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
g1f3unsolved10752
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
37.9% of the fleet
1.73T11,665
2BManBJ
29.7% of the fleet
1.36T7,299
3randomchampgamer
14.7% of the fleet
674.25B3,657
4RickEdinson
9.6% of the fleet
438.76B2,263
5MoNiKaMaDnEsS
8.1% of the fleet
370.35B1,954
6soothdest
<0.1% of the fleet
8.0M17

6 accounts · 4.57T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.9% of the fleet
90.30T751,082
2BManBJ
15.5% of the fleet
45.16T314,111
3tenzink
14.7% of the fleet
42.83T349,427
4auranvesdranor
10.7% of the fleet
31.40T228,002
5randomchampgamer
5.9% of the fleet
17.28T125,429
6RickEdinson
3.9% of the fleet
11.48T75,853
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
6.57T43,962

and 25 more.

35 accounts · 292.18T 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 23 proposals · see every proposal

Milestones