AtomicDB

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60.7M
positions
10.3M
practically solved
219.11T
engine nodes
1.7M
analyses
0
in queue
22
active workers
352
active cores
4.6M
nodes / sec
93.5
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.0% of tree positions solved · last 24h: 222,892 closures, 3.08T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 78 over 178 open obligations, of which 29 (16.3%) 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 1.5h (median of 122) · measured at 2026-09-25 18:00 UTC
Closures by source, last 24h (222659 of 222706 labelled): USER 100.0% (222552) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (107) · last 7d (1206443 of 1206588): USER 99.9% (1205105) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (1338). 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
g1f3unsolved10602
g1h3unsolved8012
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved722
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
h2h4unsolved-5002
a2a4unsolved-5022
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
1NitroColoraze
78.6% of the fleet
2.42T18,613
2BManBJ
11.8% of the fleet
364.21B2,556
3tenzink
4.5% of the fleet
139.19B1,116
4randomchampgamer
2.6% of the fleet
79.16B598
5RickEdinson
1.6% of the fleet
50.28B422
6rhaxier
0.8% of the fleet
24.20B142
7soothdest
0.1% of the fleet
2.89B26

7 accounts · 3.08T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.4% of the fleet
82.07T696,215
2tenzink
16.1% of the fleet
35.27T298,150
3auranvesdranor
11.4% of the fleet
25.14T181,535
4BManBJ
11.4% of the fleet
24.95T171,037
5JackIV
4.6% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.39T60,735
7RickEdinson
2.9% of the fleet
6.37T42,089
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.96T25,268
10ijh
1.6% of the fleet
3.57T37,348

and 22 more.

32 accounts · 219.56T 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 20 proposals · see every proposal

Milestones