AtomicDB

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63.3M
positions
11.2M
practically solved
228.24T
engine nodes
1.8M
analyses
2,160
in queue
24
active workers
380
active cores
18.6M
nodes / sec
95.7
positions / min
125
proof number
3,794
disproof number
Root conquest: 0/20 first moves solved · 17.6% of tree positions solved · last 24h: 702,446 closures, 8.60T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 184 open obligations, of which 30 (16.3%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · measured at 2026-09-26 19:00 UTC
Closures by source, last 24h (702433 of 702433 labelled): USER 95.4% (669961) · FILL 1.1% (7527) · AUTO 3.4% (23809) · SOLVE 0.0% (0) · NONE 0.2% (1136) · last 7d (1289821 of 1289824): USER 97.3% (1254393) · FILL 0.6% (7601) · AUTO 2.0% (26015) · SOLVE 0.0% (0) · NONE 0.1% (1812). 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
g1f3unsolved10252
g1h3unsolved6742
e2e3unsolved5053
e2e4unsolved4172
d2d4unsolved3882
b1c3unsolved1592
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3023
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
82.4% of the fleet
7.09T47,887
2BManBJ
5.7% of the fleet
492.79B3,837
3tenzink
5.6% of the fleet
481.27B3,216
4randomchampgamer
2.1% of the fleet
182.93B1,455
5auranvesdranor
1.8% of the fleet
158.72B1,182
6RickEdinson
1.3% of the fleet
108.86B861
7MoNiKaMaDnEsS
0.9% of the fleet
80.84B633
8RandomMatrix
<0.1% of the fleet
4.22B33
9Torom
<0.1% of the fleet
3.44B8

9 accounts · 8.61T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
39.2% of the fleet
89.59T747,767
2tenzink
15.6% of the fleet
35.77T301,563
3BManBJ
11.2% of the fleet
25.50T175,350
4auranvesdranor
11.1% of the fleet
25.30T182,715
5JackIV
4.4% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.58T62,251
7RickEdinson
2.8% of the fleet
6.50T43,070
8NeoArcturus
1.8% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
4.04T25,901
10ijh
1.6% of the fleet
3.57T37,348

and 22 more.

32 accounts · 228.70T 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