AtomicDB

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69.1M
positions
12.5M
practically solved
248.51T
engine nodes
1.9M
analyses
6,459
in queue
17
active workers
120
active cores
21.9M
nodes / sec
28.5
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.1% of tree positions solved · last 24h: 402,383 closures, 6.91T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 199 open obligations, of which 32 (16.1%) 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 2.5m (median of 97) · measured at 2026-09-30 13:00 UTC
Closures by source, last 24h (402313 of 402313 labelled): USER 99.9% (402073) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (240) · last 7d (2177315 of 2177385): USER 98.0% (2133687) · FILL 0.4% (8795) · AUTO 1.5% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2768). 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
g1f3unsolved10532
g1h3unsolved7112
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
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
1gannet
40.5% of the fleet
2.80T21,539
2BManBJ
21.4% of the fleet
1.48T11,378
3auranvesdranor
14.7% of the fleet
1.01T7,722
4tenzink
8.9% of the fleet
611.65B4,341
5randomchampgamer
8.5% of the fleet
588.50B4,717
6RickEdinson
3.2% of the fleet
221.66B1,534
7MoNiKaMaDnEsS
2.8% of the fleet
193.04B1,465
8soothdest
<0.1% of the fleet
1.31B21

8 accounts · 6.91T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.3% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
37.90T315,344
3BManBJ
12.3% of the fleet
30.54T212,572
4auranvesdranor
11.7% of the fleet
29.00T209,700
5randomchampgamer
4.3% of the fleet
10.73T79,150
6JackIV
4.0% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.96T46,195
8gannet
1.9% of the fleet
4.71T27,478
9MoNiKaMaDnEsS
1.8% of the fleet
4.52T29,480
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 248.58T 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