AtomicDB

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59.1M
positions
9.9M
practically solved
212.99T
engine nodes
1.7M
analyses
5,835
in queue
10
active workers
60
active cores
27.0M
nodes / sec
15.4
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.7% of tree positions solved · last 24h: 582,174 closures, 6.13T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 168 open obligations, of which 28 (16.7%) 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 1.6m (median of 111) · measured at 2026-09-20 02:00 UTC
Closures by source, last 24h (582028 of 582028 labelled): USER 99.9% (581561) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (467) · last 7d (2230404 of 2230550): USER 98.7% (2201965) · FILL 0.2% (3608) · AUTO 0.9% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3751). 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
g1f3unsolved10912
g1h3unsolved7172
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved722
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
h2h4unsolved-5002
a2a4unsolved-5022
g2g4unsolved-6002
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
25.2% of the fleet
1.54T11,324
2auranvesdranor
20.8% of the fleet
1.28T9,763
3JackIV
16.2% of the fleet
994.21B4,978
4Torom
15.6% of the fleet
953.75B6,664
5tenzink
10.0% of the fleet
615.71B4,233
6randomchampgamer
8.4% of the fleet
515.87B4,188
7quasa
2.3% of the fleet
143.45B1,057
8MoNiKaMaDnEsS
1.3% of the fleet
77.50B529
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 6.13T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.4% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.77T294,540
3auranvesdranor
11.3% of the fleet
24.08T173,410
4BManBJ
11.1% of the fleet
23.69T161,541
5JackIV
4.4% of the fleet
9.44T64,021
6randomchampgamer
3.7% of the fleet
7.97T57,375
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.87T24,540
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 213.10T 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 19 proposals · see every proposal

Milestones