AtomicDB

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59.2M
positions
9.9M
practically solved
213.17T
engine nodes
1.7M
analyses
5,024
in queue
13
active workers
89
active cores
37.3M
nodes / sec
30.0
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 571,383 closures, 5.99T 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 1.8m (median of 89) · measured at 2026-09-20 03:00 UTC
Closures by source, last 24h (571061 of 571147 labelled): USER 99.9% (570610) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (451) · last 7d (2255015 of 2255226): USER 98.7% (2226674) · FILL 0.2% (3501) · AUTO 0.9% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3760). 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
g1f3unsolved10812
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
26.0% of the fleet
1.56T11,400
2auranvesdranor
20.9% of the fleet
1.25T9,557
3JackIV
16.8% of the fleet
1.00T4,983
4Torom
13.8% of the fleet
825.66B5,792
5tenzink
10.2% of the fleet
609.70B4,184
6randomchampgamer
8.6% of the fleet
517.13B4,193
7quasa
2.4% of the fleet
143.45B1,057
8MoNiKaMaDnEsS
1.2% of the fleet
70.22B488
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.99T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.3% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.79T294,711
3auranvesdranor
11.3% of the fleet
24.13T173,829
4BManBJ
11.1% of the fleet
23.77T162,123
5JackIV
4.4% of the fleet
9.49T64,360
6randomchampgamer
3.7% of the fleet
8.00T57,606
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.88T24,661
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 213.36T 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