AtomicDB

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64.4M
positions
11.4M
practically solved
231.05T
engine nodes
1.8M
analyses
3,279
in queue
9
active workers
48
active cores
8.7M
nodes / sec
14.4
positions / min
125
proof number
3,794
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 465,077 closures, 6.32T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 189 open obligations, of which 30 (15.9%) 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 4.6h (median of 127) · measured at 2026-09-27 08:00 UTC
Closures by source, last 24h (465077 of 465077 labelled): USER 92.9% (432181) · FILL 1.7% (7997) · AUTO 5.2% (23963) · SOLVE 0.0% (0) · NONE 0.2% (936) · last 7d (1316532 of 1316532): USER 96.7% (1273689) · FILL 0.7% (8795) · AUTO 2.4% (32065) · SOLVE 0.0% (0) · NONE 0.2% (1983). 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
g1f3unsolved9762
g1h3unsolved6932
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved1832
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-3013
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
59.1% of the fleet
3.74T20,346
2BManBJ
11.6% of the fleet
732.48B4,793
3auranvesdranor
11.1% of the fleet
700.88B4,166
4tenzink
9.2% of the fleet
578.89B3,290
5randomchampgamer
6.0% of the fleet
382.35B2,727
6MoNiKaMaDnEsS
2.8% of the fleet
179.59B1,297
7RandomMatrix
0.2% of the fleet
10.11B76

7 accounts · 6.32T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
39.1% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.10T303,365
3BManBJ
11.2% of the fleet
25.96T177,972
4auranvesdranor
11.2% of the fleet
25.84T185,701
5JackIV
4.4% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.87T64,233
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.8% of the fleet
4.09T16,756
10ijh
1.5% of the fleet
3.57T37,348

and 22 more.

32 accounts · 231.12T 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