AtomicDB

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74.6M
positions
13.9M
practically solved
267.68T
engine nodes
2.1M
analyses
1,741
in queue
10
active workers
56
active cores
13.5M
nodes / sec
22.0
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.6% of tree positions solved · last 24h: 133,039 closures, 3.63T 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 3.2d (median of 3) · measured at 2026-10-04 15:00 UTC
Closures by source, last 24h (132981 of 132981 labelled): USER 99.2% (131977) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.8% (1004) · last 7d (2153095 of 2153150): USER 99.8% (2148421) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4674). 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
46.8% of the fleet
1.70T12,839
2randomchampgamer
19.5% of the fleet
708.62B5,235
3tenzink
19.4% of the fleet
703.96B5,166
4RickEdinson
13.5% of the fleet
491.79B3,318
5MoNiKaMaDnEsS
0.8% of the fleet
28.33B225
6quasa
<0.1% of the fleet
766.4M6

6 accounts · 3.63T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
33.7% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
40.59T334,873
3BManBJ
13.7% of the fleet
36.72T259,789
4auranvesdranor
11.7% of the fleet
31.40T228,002
5randomchampgamer
5.0% of the fleet
13.43T99,935
6JackIV
3.8% of the fleet
10.06T67,859
7RickEdinson
3.3% of the fleet
8.80T59,222
8gannet
2.7% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.24T35,063
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 267.78T 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