AtomicDB

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55.0M
positions
8.6M
practically solved
199.24T
engine nodes
1.6M
analyses
4,287
in queue
17
active workers
112
active cores
16.6M
nodes / sec
35.3
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.7% of tree positions solved · last 24h: 324,264 closures, 4.35T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 74 over 169 open obligations, of which 30 (17.8%) 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 6.6h (median of 73) · measured at 2026-09-17 19:00 UTC
Closures by source, last 24h (324178 of 324178 labelled): USER 99.8% (323559) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (619) · last 7d (1395230 of 1395316): USER 94.9% (1324431) · FILL 0.7% (9625) · AUTO 4.1% (57154) · SOLVE 0.0% (0) · NONE 0.3% (4020). 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
b1c3unsolved712
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
35.8% of the fleet
1.56T11,917
2BManBJ
31.4% of the fleet
1.36T10,529
3tenzink
13.9% of the fleet
604.85B2,943
4randomchampgamer
13.5% of the fleet
588.63B4,677
5Torom
2.8% of the fleet
120.65B750
6MoNiKaMaDnEsS
2.6% of the fleet
111.90B675

6 accounts · 4.35T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
39.9% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
33.41T285,379
3auranvesdranor
10.6% of the fleet
21.19T151,381
4BManBJ
10.2% of the fleet
20.43T137,454
5JackIV
4.0% of the fleet
7.94T56,572
6randomchampgamer
3.3% of the fleet
6.67T47,284
7RickEdinson
3.2% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.8% of the fleet
3.56T22,653

and 22 more.

32 accounts · 199.44T 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