AtomicDB

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75.3M
positions
14.1M
practically solved
269.78T
engine nodes
2.1M
analyses
2,503
in queue
9
active workers
48
active cores
2.1M
nodes / sec
19.2
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 18.7% of tree positions solved · last 24h: 222,756 closures, 3.18T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 67 over 213 open obligations, of which 42 (19.7%) 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 47s (median of 51) · measured at 2026-10-05 08:00 UTC
Closures by source, last 24h (222756 of 222756 labelled): USER 99.6% (221854) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.4% (902) · last 7d (2191268 of 2191268): USER 99.8% (2186059) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (5209). 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
g1f3unsolved11012
g1h3unsolved8202
e2e3unsolved5053
d2d4unsolved4262
e2e4unsolved4182
b1c3unsolved1022
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
35.4% of the fleet
1.12T8,543
2tenzink
22.4% of the fleet
710.68B5,330
3randomchampgamer
20.9% of the fleet
664.38B5,196
4RickEdinson
14.6% of the fleet
464.51B3,464
5MoNiKaMaDnEsS
6.7% of the fleet
211.16B1,666
6quasa
<0.1% of the fleet
766.4M6

6 accounts · 3.18T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
33.5% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
41.08T338,558
3BManBJ
13.8% of the fleet
37.35T264,591
4auranvesdranor
11.6% of the fleet
31.40T228,002
5randomchampgamer
5.1% of the fleet
13.88T103,521
6JackIV
3.7% of the fleet
10.06T67,859
7RickEdinson
3.4% of the fleet
9.12T61,586
8gannet
2.7% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.43T36,504
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 269.86T 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