AtomicDB

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54.6M
positions
8.5M
practically solved
197.95T
engine nodes
1.6M
analyses
5,457
in queue
10
active workers
56
active cores
9.2M
nodes / sec
18.8
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.6% of tree positions solved · last 24h: 302,707 closures, 4.19T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 168 open obligations, of which 30 (17.9%) 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 14.1m (median of 202) · measured at 2026-09-17 12:00 UTC
Closures by source, last 24h (302611 of 302611 labelled): USER 99.8% (301954) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (657) · last 7d (1347488 of 1347584): USER 94.0% (1266130) · FILL 0.8% (11333) · AUTO 4.9% (65982) · SOLVE 0.0% (0) · NONE 0.3% (4043). 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
35.4% of the fleet
1.48T11,333
2BManBJ
33.1% of the fleet
1.39T10,540
3tenzink
14.6% of the fleet
612.83B3,098
4randomchampgamer
14.1% of the fleet
591.33B4,649
5MoNiKaMaDnEsS
2.6% of the fleet
108.46B627
6NeoArcturus
0.2% of the fleet
8.11B26

6 accounts · 4.19T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.2% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
33.23T284,621
3auranvesdranor
10.5% of the fleet
20.80T148,454
4BManBJ
10.1% of the fleet
20.04T134,392
5JackIV
4.0% of the fleet
7.94T56,572
6randomchampgamer
3.3% of the fleet
6.50T45,937
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 · 198.08T 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