AtomicDB

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71.0M
positions
13.0M
practically solved
255.15T
engine nodes
2.0M
analyses
3,683
in queue
17
active workers
94
active cores
22.4M
nodes / sec
29.7
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.3% of tree positions solved · last 24h: 490,133 closures, 7.19T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 81 over 199 open obligations, of which 30 (15.1%) 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 2.3h (median of 120) · measured at 2026-10-01 11:00 UTC
Closures by source, last 24h (489999 of 490036 labelled): USER 99.9% (489544) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (455) · last 7d (2638211 of 2638308): USER 98.3% (2594131) · FILL 0.3% (8795) · AUTO 1.2% (32065) · SOLVE 0.0% (0) · NONE 0.1% (3220). 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
g1f3unsolved11012
g1h3unsolved7922
e2e3unsolved4573
d2d4unsolved4342
e2e4unsolved4172
b1c3unsolved1872
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
d2d3unsolved-1162
f2f3unsolved-1173
a2a3unsolved-1272
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
g2g4unsolved-6022
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
37.9% of the fleet
2.72T20,909
2BManBJ
20.2% of the fleet
1.45T11,246
3auranvesdranor
14.5% of the fleet
1.04T7,917
4randomchampgamer
8.6% of the fleet
619.13B4,979
5tenzink
8.3% of the fleet
598.71B4,282
6RickEdinson
5.0% of the fleet
358.52B2,556
7MoNiKaMaDnEsS
4.7% of the fleet
341.30B2,640
8quasa
0.8% of the fleet
54.11B417
9soothdest
<0.1% of the fleet
1.47B35

9 accounts · 7.19T nodes searched by the whole fleet.

All time

PlaceContributorNodesAnalyses
1NitroColoraze
35.4% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.46T319,405
3BManBJ
12.5% of the fleet
31.89T223,055
4auranvesdranor
11.7% of the fleet
29.98T217,099
5randomchampgamer
4.4% of the fleet
11.31T83,837
6JackIV
3.9% of the fleet
10.06T67,859
7RickEdinson
2.9% of the fleet
7.32T48,750
8gannet
2.8% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
1.9% of the fleet
4.87T32,119
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 255.33T 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