AtomicDB

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71.8M
positions
13.2M
practically solved
257.60T
engine nodes
2.0M
analyses
6,760
in queue
11
active workers
72
active cores
12.7M
nodes / sec
23.1
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.4% of tree positions solved · last 24h: 480,552 closures, 5.95T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 199 open obligations, of which 33 (16.6%) 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 3.0m (median of 205) · measured at 2026-10-01 23:00 UTC
Closures by source, last 24h (480550 of 480550 labelled): USER 99.8% (479686) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (864) · last 7d (2846966 of 2846967): USER 98.4% (2802460) · FILL 0.3% (8795) · AUTO 1.1% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3646). 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
g1f3unsolved11012
g1h3unsolved8202
e2e3unsolved4613
d2d4unsolved4372
e2e4unsolved3992
b1c3unsolved1312
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-972
d2d3unsolved-982
f2f3unsolved-1173
a2a3unsolved-1272
b2b3unsolved-1441
f2f4unsolved-3053
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6022
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
24.7% of the fleet
1.47T11,555
2gannet
18.3% of the fleet
1.09T8,436
3auranvesdranor
17.5% of the fleet
1.04T7,918
4tenzink
11.3% of the fleet
670.34B4,900
5randomchampgamer
10.4% of the fleet
620.75B4,833
6MoNiKaMaDnEsS
8.1% of the fleet
479.08B3,697
7RickEdinson
7.7% of the fleet
455.84B3,335
8quasa
2.0% of the fleet
120.64B937

8 accounts · 5.95T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.0% of the fleet
90.30T751,082
2tenzink
15.0% of the fleet
38.78T321,619
3BManBJ
12.7% of the fleet
32.62T228,810
4auranvesdranor
11.8% of the fleet
30.48T220,942
5randomchampgamer
4.5% of the fleet
11.60T86,054
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.54T50,215
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.07T33,687
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 257.66T 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