AtomicDB

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94.3M
positions
19.3M
practically solved
343.22T
engine nodes
2.6M
analyses
62
in queue
6
active workers
36
active cores
39.0M
nodes / sec
18.6
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.4% of tree positions solved · last 24h: 1.1M closures, 6.64T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 210 open obligations, of which 40 (19.0%) 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 6.7m (median of 71) · measured at 2026-10-22 11:00 UTC
Closures by source, last 24h (1059308 of 1059342 labelled): USER 99.4% (1053263) · FILL 0.2% (2586) · AUTO 0.3% (3413) · SOLVE 0.0% (0) · NONE 0.0% (46) · last 7d (2929316 of 2929367): USER 97.7% (2862972) · FILL 0.4% (11551) · AUTO 1.8% (51931) · SOLVE 0.0% (0) · NONE 0.1% (2862). 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
g1f3unsolved11822
g1h3unsolved6302
e2e3unsolved5053
d2d4unsolved4022
e2e4unsolved4002
b1c3unsolved1382
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
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
1Torom
56.8% of the fleet
3.77T28,168
2BManBJ
28.9% of the fleet
1.92T15,080
3RickEdinson
7.4% of the fleet
491.17B3,057
4MoNiKaMaDnEsS
6.5% of the fleet
428.68B3,103
5soothdest
0.5% of the fleet
33.49B199

5 accounts · 6.64T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
26.3% of the fleet
90.30T751,082
2BManBJ
18.1% of the fleet
62.25T441,821
3tenzink
12.5% of the fleet
42.83T349,427
4Torom
9.4% of the fleet
32.30T231,855
5auranvesdranor
9.1% of the fleet
31.40T228,002
6randomchampgamer
5.8% of the fleet
19.85T140,897
7RickEdinson
4.9% of the fleet
16.73T110,627
8JackIV
2.9% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.8% of the fleet
9.66T66,613
10gannet
2.1% of the fleet
7.24T46,848

and 25 more.

35 accounts · 343.31T 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 23 proposals · see every proposal

Milestones