AtomicDB

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64.6M
positions
11.5M
practically solved
231.81T
engine nodes
1.8M
analyses
6,977
in queue
9
active workers
48
active cores
21.4M
nodes / sec
15.4
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 331,607 closures, 4.56T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 192 open obligations, of which 30 (15.6%) 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 28.1m (median of 175) · measured at 2026-09-27 14:00 UTC
Closures by source, last 24h (331468 of 331513 labelled): USER 94.2% (312237) · FILL 1.3% (4464) · AUTO 4.3% (14117) · SOLVE 0.0% (0) · NONE 0.2% (650) · last 7d (1288479 of 1288548): USER 96.7% (1245820) · FILL 0.7% (8795) · AUTO 2.5% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1799). 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
g1f3unsolved9652
g1h3unsolved7252
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved1832
c2c3unsolved192
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
29.5% of the fleet
1.34T8,333
2BManBJ
23.6% of the fleet
1.08T7,339
3auranvesdranor
18.3% of the fleet
833.93B5,071
4tenzink
12.8% of the fleet
582.37B3,645
5randomchampgamer
11.5% of the fleet
525.13B3,900
6MoNiKaMaDnEsS
3.8% of the fleet
174.60B1,258
7soothdest
0.4% of the fleet
15.98B122
8RandomMatrix
0.2% of the fleet
10.11B76
9bricerichmond
<0.1% of the fleet
700.3M6

9 accounts · 4.56T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.9% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.23T304,241
3BManBJ
11.3% of the fleet
26.31T180,552
4auranvesdranor
11.2% of the fleet
25.97T186,606
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
3.9% of the fleet
9.01T65,406
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 23 more.

33 accounts · 231.90T 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