AtomicDB

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74.7M
positions
13.9M
practically solved
268.04T
engine nodes
2.1M
analyses
1,938
in queue
8
active workers
48
active cores
23.9M
nodes / sec
17.5
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.6% of tree positions solved · last 24h: 138,770 closures, 3.71T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 67 over 214 open obligations, of which 42 (19.6%) 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 3.3d (median of 19) · measured at 2026-10-04 17:00 UTC
Closures by source, last 24h (138767 of 138767 labelled): USER 99.2% (137713) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.8% (1054) · last 7d (2155872 of 2155875): USER 99.8% (2151096) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4776). 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
g1h3unsolved7242
e2e3unsolved5053
d2d4unsolved4402
e2e4unsolved4182
b1c3unsolved1142
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
46.0% of the fleet
1.71T13,190
2randomchampgamer
19.2% of the fleet
712.16B5,299
3tenzink
19.2% of the fleet
710.74B5,226
4RickEdinson
13.2% of the fleet
491.01B3,311
5MoNiKaMaDnEsS
2.3% of the fleet
86.78B684
6quasa
<0.1% of the fleet
766.4M6

6 accounts · 3.71T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
33.7% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
40.65T335,285
3BManBJ
13.7% of the fleet
36.87T260,791
4auranvesdranor
11.7% of the fleet
31.40T228,002
5randomchampgamer
5.0% of the fleet
13.49T100,334
6JackIV
3.8% of the fleet
10.06T67,859
7RickEdinson
3.3% of the fleet
8.85T59,524
8gannet
2.7% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.30T35,522
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 268.14T 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