AtomicDB

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92.4M
positions
18.4M
practically solved
338.33T
engine nodes
2.6M
analyses
951
in queue
14
active workers
64
active cores
24.7M
nodes / sec
38.3
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.9% of tree positions solved · last 24h: 905,506 closures, 7.69T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 206 open obligations, of which 37 (18.0%) 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 8.1m (median of 70) · measured at 2026-10-21 17:00 UTC
Closures by source, last 24h (905164 of 905348 labelled): USER 99.9% (904189) · FILL 0.1% (560) · AUTO 0.0% (320) · SOLVE 0.0% (0) · NONE 0.0% (95) · last 7d (2215698 of 2215827): USER 96.3% (2134354) · FILL 0.5% (10936) · AUTO 3.0% (67528) · SOLVE 0.0% (0) · NONE 0.1% (2880). 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
g1f3unsolved11662
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
63.1% of the fleet
4.85T36,369
2BManBJ
25.0% of the fleet
1.92T14,958
3RickEdinson
6.4% of the fleet
494.15B2,887
4MoNiKaMaDnEsS
5.4% of the fleet
416.87B2,885
5soothdest
0.1% of the fleet
9.11B33

5 accounts · 7.69T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
26.7% of the fleet
90.30T751,082
2BManBJ
18.0% of the fleet
60.86T430,868
3tenzink
12.6% of the fleet
42.83T349,427
4auranvesdranor
9.3% of the fleet
31.40T228,002
5Torom
8.8% of the fleet
29.69T212,317
6randomchampgamer
5.9% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
16.37T108,382
8JackIV
3.0% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.8% of the fleet
9.38T64,473
10gannet
2.1% of the fleet
7.24T46,848

and 25 more.

35 accounts · 338.64T 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