AtomicDB

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70.5M
positions
12.8M
practically solved
253.82T
engine nodes
2.0M
analyses
5,932
in queue
17
active workers
117
active cores
34.6M
nodes / sec
35.7
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.2% of tree positions solved · last 24h: 431,066 closures, 7.33T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 195 open obligations, of which 30 (15.4%) 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 1.3h (median of 118) · measured at 2026-10-01 06:00 UTC
Closures by source, last 24h (430922 of 430938 labelled): USER 99.9% (430637) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (285) · last 7d (2496767 of 2496866): USER 98.2% (2452880) · FILL 0.4% (8795) · AUTO 1.3% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3027). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

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First moves from the starting position

movestateevalvisits
g1f3unsolved10152
g1h3unsolved7062
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

PlaceContributorNodesAnalyses
1gannet
43.0% of the fleet
3.15T24,184
2BManBJ
19.9% of the fleet
1.46T11,360
3auranvesdranor
14.2% of the fleet
1.04T7,896
4randomchampgamer
8.4% of the fleet
612.98B4,921
5tenzink
8.1% of the fleet
593.00B4,188
6RickEdinson
3.5% of the fleet
257.84B1,780
7MoNiKaMaDnEsS
2.9% of the fleet
209.62B1,669
8soothdest
<0.1% of the fleet
1.47B35

8 accounts · 7.33T nodes searched by the whole fleet.

All time

PlaceContributorNodesAnalyses
1NitroColoraze
35.6% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.31T318,351
3BManBJ
12.4% of the fleet
31.57T220,582
4auranvesdranor
11.7% of the fleet
29.75T215,397
5randomchampgamer
4.4% of the fleet
11.17T82,754
6JackIV
4.0% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
7.22T47,975
8gannet
2.8% of the fleet
7.03T45,248
9MoNiKaMaDnEsS
1.9% of the fleet
4.71T30,962
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 253.99T 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