AtomicDB

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54.5M
positions
8.5M
practically solved
197.76T
engine nodes
1.6M
analyses
3,283
in queue
11
active workers
72
active cores
22.4M
nodes / sec
21.6
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.6% of tree positions solved · last 24h: 309,423 closures, 4.20T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 74 over 167 open obligations, of which 29 (17.4%) 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 17.9m (median of 195) · measured at 2026-09-17 11:00 UTC
Closures by source, last 24h (309423 of 309423 labelled): USER 99.8% (308763) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (660) · last 7d (1340141 of 1340141): USER 93.9% (1258782) · FILL 0.8% (11333) · AUTO 4.9% (65982) · SOLVE 0.0% (0) · NONE 0.3% (4044). 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
g1f3unsolved11002
g1h3unsolved8202
e2e3unsolved5023
e2e4unsolved4092
d2d4unsolved4082
b1c3unsolved742
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
1auranvesdranor
34.8% of the fleet
1.46T11,193
2BManBJ
32.9% of the fleet
1.38T10,577
3tenzink
14.6% of the fleet
614.69B3,242
4randomchampgamer
14.1% of the fleet
593.51B4,676
5MoNiKaMaDnEsS
2.6% of the fleet
108.46B627
6NeoArcturus
1.0% of the fleet
40.88B108

6 accounts · 4.20T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.3% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
33.20T284,492
3auranvesdranor
10.5% of the fleet
20.72T147,847
4BManBJ
10.1% of the fleet
19.96T133,834
5JackIV
4.0% of the fleet
7.94T56,572
6randomchampgamer
3.3% of the fleet
6.47T45,702
7RickEdinson
3.2% of the fleet
6.32T41,667
8NeoArcturus
2.1% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.7% of the fleet
3.45T21,978

and 22 more.

32 accounts · 197.86T 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 18 proposals · see every proposal

Milestones