AtomicDB

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65.2M
positions
11.6M
practically solved
233.96T
engine nodes
1.8M
analyses
8,947
in queue
13
active workers
88
active cores
14.8M
nodes / sec
26.6
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 249,429 closures, 3.42T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 193 open obligations, of which 30 (15.5%) 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 2.0h (median of 160) · measured at 2026-09-28 05:00 UTC
Closures by source, last 24h (249429 of 249429 labelled): USER 99.9% (249277) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (152) · last 7d (1388707 of 1388707): USER 96.9% (1346078) · FILL 0.6% (8795) · AUTO 2.3% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1769). 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
g1h3unsolved8042
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
1BManBJ
40.9% of the fleet
1.40T10,273
2auranvesdranor
25.6% of the fleet
875.49B6,301
3randomchampgamer
16.2% of the fleet
555.52B4,387
4tenzink
15.1% of the fleet
515.31B3,317
5bricerichmond
1.0% of the fleet
34.06B32
6uipio
0.6% of the fleet
21.25B166
7soothdest
0.5% of the fleet
17.08B132
8rhaxier
<0.1% of the fleet
1.66B13
9MoNiKaMaDnEsS
<0.1% of the fleet
384.0M3

9 accounts · 3.42T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.6% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.55T306,220
3BManBJ
11.6% of the fleet
27.20T187,335
4auranvesdranor
11.4% of the fleet
26.61T191,480
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
4.0% of the fleet
9.36T68,110
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.7% of the fleet
4.09T16,756
10ijh
1.5% of the fleet
3.57T37,348

and 24 more.

34 accounts · 234.15T 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