AtomicDB

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81.6M
positions
15.7M
practically solved
296.96T
engine nodes
2.3M
analyses
1
in queue
6
active workers
34
active cores
20.9M
nodes / sec
3.9
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 96,432 closures, 4.99T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 218 open obligations, of which 41 (18.8%) 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 36s (median of 2) · measured at 2026-10-11 11:00 UTC
Closures by source, last 24h (96432 of 96432 labelled): USER 81.7% (78819) · FILL 0.6% (624) · AUTO 17.6% (16931) · SOLVE 0.0% (0) · NONE 0.1% (58) · last 7d (1648943 of 1648943): USER 98.0% (1615968) · FILL 0.2% (2695) · AUTO 1.8% (28883) · SOLVE 0.0% (0) · NONE 0.1% (1397). 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
g1f3unsolved10162
g1h3unsolved7532
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
52.6% of the fleet
2.62T18,593
2BManBJ
23.0% of the fleet
1.15T9,135
3randomchampgamer
11.7% of the fleet
582.64B3,644
4RickEdinson
7.5% of the fleet
375.97B2,857
5MoNiKaMaDnEsS
5.3% of the fleet
263.50B2,151
6soothdest
<0.1% of the fleet
25.3M4

6 accounts · 4.99T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.4% of the fleet
90.30T751,082
2BManBJ
15.6% of the fleet
46.26T323,049
3tenzink
14.4% of the fleet
42.83T349,427
4auranvesdranor
10.6% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
17.83T129,031
6Torom
4.0% of the fleet
11.88T87,075
7RickEdinson
4.0% of the fleet
11.84T78,688
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.80T46,031

and 25 more.

35 accounts · 297.04T 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