AtomicDB

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78.1M
positions
15.0M
practically solved
281.52T
engine nodes
2.2M
analyses
1,672
in queue
15
active workers
74
active cores
14.7M
nodes / sec
35.3
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 440,443 closures, 4.64T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 219 open obligations, of which 42 (19.2%) 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 2.6m (median of 67) · measured at 2026-10-08 03:00 UTC
Closures by source, last 24h (440443 of 440443 labelled): USER 99.8% (439598) · FILL 0.2% (749) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (96) · last 7d (2016074 of 2016074): USER 99.7% (2010365) · FILL 0.1% (1163) · AUTO 0.0% (25) · SOLVE 0.0% (0) · NONE 0.2% (4521). 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
g1f3unsolved9502
g1h3unsolved7262
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3182
b1c3unsolved1252
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
1BManBJ
33.4% of the fleet
1.55T10,709
2Torom
27.1% of the fleet
1.26T7,943
3randomchampgamer
13.9% of the fleet
644.28B4,924
4tenzink
11.3% of the fleet
522.13B3,644
5RickEdinson
10.0% of the fleet
461.95B3,167
6MoNiKaMaDnEsS
4.4% of the fleet
203.59B1,486

6 accounts · 4.64T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.0% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
42.83T349,427
3BManBJ
14.8% of the fleet
41.76T292,537
4auranvesdranor
11.1% of the fleet
31.40T228,002
5randomchampgamer
5.6% of the fleet
15.70T115,358
6RickEdinson
3.7% of the fleet
10.44T69,645
7JackIV
3.6% of the fleet
10.06T67,859
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
6.01T40,337
10Torom
1.9% of the fleet
5.45T39,646

and 25 more.

35 accounts · 281.77T 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 21 proposals · see every proposal

Milestones