AtomicDB

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76.5M
positions
14.4M
practically solved
275.45T
engine nodes
2.1M
analyses
1,087
in queue
17
active workers
80
active cores
33.4M
nodes / sec
33.6
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 18.8% of tree positions solved · last 24h: 233,518 closures, 3.95T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 218 open obligations, of which 42 (19.3%) 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 44s (median of 64) · measured at 2026-10-06 19:00 UTC
Closures by source, last 24h (233489 of 233518 labelled): USER 99.8% (233112) · FILL 0.1% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (83) · last 7d (2072065 of 2072065): USER 99.8% (2067012) · FILL 0.0% (294) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4759). 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
g1f3unsolved10482
g1h3unsolved8202
e2e3unsolved5053
d2d4unsolved4412
e2e4unsolved4182
b1c3unsolved1052
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
38.8% of the fleet
1.53T9,609
2tenzink
16.8% of the fleet
662.12B4,096
3randomchampgamer
15.9% of the fleet
629.02B3,796
4RickEdinson
11.7% of the fleet
463.30B2,777
5Torom
11.0% of the fleet
435.58B2,980
6MoNiKaMaDnEsS
5.7% of the fleet
225.02B1,447

6 accounts · 3.95T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.8% of the fleet
90.30T751,082
2tenzink
15.3% of the fleet
42.08T344,397
3BManBJ
14.4% of the fleet
39.66T278,517
4auranvesdranor
11.4% of the fleet
31.40T228,002
5randomchampgamer
5.4% of the fleet
14.84T109,138
6JackIV
3.6% of the fleet
10.06T67,859
7RickEdinson
3.6% of the fleet
9.82T65,620
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
5.77T38,603
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 275.60T 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