AtomicDB

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65.6M
positions
11.7M
practically solved
235.37T
engine nodes
1.8M
analyses
6,373
in queue
13
active workers
84
active cores
30.3M
nodes / sec
20.8
positions / min
125
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 17.8% of tree positions solved · last 24h: 196,041 closures, 3.84T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 197 open obligations, of which 31 (15.7%) 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 22.3h (median of 132) · measured at 2026-09-28 12:00 UTC
Closures by source, last 24h (196041 of 196041 labelled): USER 99.9% (195816) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (225) · last 7d (1436947 of 1436972): USER 97.0% (1394202) · FILL 0.6% (8795) · AUTO 2.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (1885). 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
g1f3unsolved10672
g1h3unsolved8202
e2e3unsolved5053
d2d4unsolved4362
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
1BManBJ
36.6% of the fleet
1.40T10,638
2auranvesdranor
24.8% of the fleet
950.34B7,173
3randomchampgamer
14.3% of the fleet
547.95B4,332
4tenzink
14.1% of the fleet
542.65B3,397
5uipio
8.1% of the fleet
308.88B1,504
6bricerichmond
2.0% of the fleet
77.47B107
7soothdest
0.1% of the fleet
2.26B16
8rhaxier
<0.1% of the fleet
1.66B13
9NeoArcturus
<0.1% of the fleet
142.6M2

9 accounts · 3.84T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.4% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.71T307,201
3BManBJ
11.7% of the fleet
27.57T190,195
4auranvesdranor
11.4% of the fleet
26.89T193,609
5JackIV
4.3% of the fleet
10.06T67,859
6randomchampgamer
4.0% of the fleet
9.50T69,244
7RickEdinson
2.8% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.8% of the fleet
4.14T26,565
9NeoArcturus
1.7% of the fleet
4.09T16,758
10ijh
1.5% of the fleet
3.57T37,348

and 24 more.

34 accounts · 235.44T 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