AtomicDB

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65.8M
positions
11.8M
practically solved
236.56T
engine nodes
1.8M
analyses
6,500
in queue
12
active workers
80
active cores
14.2M
nodes / sec
21.8
positions / min
83
proof number
3,835
disproof number
Root conquest: 0/20 first moves solved · 17.9% of tree positions solved · last 24h: 215,605 closures, 4.26T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 195 open obligations, of which 31 (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 2.9m (median of 100) · measured at 2026-09-28 18:00 UTC
Closures by source, last 24h (215605 of 215605 labelled): USER 99.8% (215193) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (412) · last 7d (1500225 of 1500225): USER 97.1% (1457250) · FILL 0.6% (8795) · AUTO 2.1% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2115). 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
g1f3unsolved10462
g1h3unsolved7862
e2e3unsolved5053
d2d4unsolved4362
e2e4unsolved4172
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1103
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
33.4% of the fleet
1.42T10,659
2auranvesdranor
24.9% of the fleet
1.06T8,163
3randomchampgamer
13.2% of the fleet
562.92B4,473
4tenzink
12.5% of the fleet
531.14B3,058
5uipio
7.5% of the fleet
317.54B1,518
6gannet
6.4% of the fleet
273.19B454
7bricerichmond
1.8% of the fleet
77.47B107
8soothdest
0.3% of the fleet
12.83B91
9NeoArcturus
<0.1% of the fleet
142.6M2

9 accounts · 4.26T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.1% of the fleet
90.30T751,082
2tenzink
15.6% of the fleet
36.85T307,937
3BManBJ
11.8% of the fleet
27.95T192,871
4auranvesdranor
11.5% of the fleet
27.17T195,764
5JackIV
4.2% of the fleet
10.06T67,859
6randomchampgamer
4.1% of the fleet
9.67T70,561
7RickEdinson
2.7% of the fleet
6.50T43,070
8MoNiKaMaDnEsS
1.7% 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 25 more.

35 accounts · 236.70T 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