AtomicDB

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79.4M
positions
15.2M
practically solved
286.48T
engine nodes
2.2M
analyses
7,845
in queue
6
active workers
34
active cores
8.8M
nodes / sec
12.9
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 177,355 closures, 4.49T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 217 open obligations, of which 41 (18.9%) 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 12.4m (median of 79) · measured at 2026-10-09 04:00 UTC
Closures by source, last 24h (177355 of 177355 labelled): USER 92.7% (164451) · FILL 0.5% (908) · AUTO 6.7% (11927) · SOLVE 0.0% (0) · NONE 0.0% (69) · last 7d (1701760 of 1701760): USER 99.0% (1684156) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.2% (3581). 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
g1f3unsolved10432
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3642
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
39.1% of the fleet
1.76T14,864
2BManBJ
32.9% of the fleet
1.48T10,397
3randomchampgamer
14.6% of the fleet
656.13B4,593
4RickEdinson
9.6% of the fleet
429.56B2,923
5MoNiKaMaDnEsS
3.7% of the fleet
168.30B1,489
6soothdest
0.1% of the fleet
2.73B31
7NeoArcturus
<0.1% of the fleet
546.0M5

7 accounts · 4.49T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.5% of the fleet
90.30T751,082
2BManBJ
15.1% of the fleet
43.30T303,389
3tenzink
14.9% of the fleet
42.83T349,427
4auranvesdranor
11.0% of the fleet
31.40T228,002
5randomchampgamer
5.7% of the fleet
16.38T120,177
6RickEdinson
3.8% of the fleet
10.89T72,699
7JackIV
3.5% of the fleet
10.06T67,859
8Torom
2.6% of the fleet
7.37T55,749
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.2% of the fleet
6.20T42,008

and 25 more.

35 accounts · 286.57T 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 22 proposals · see every proposal

Milestones