AtomicDB

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57.2M
positions
9.2M
practically solved
206.76T
engine nodes
1.6M
analyses
751
in queue
17
active workers
122
active cores
29.4M
nodes / sec
43.7
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.2% of tree positions solved · last 24h: 414,256 closures, 5.48T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 165 open obligations, of which 30 (18.2%) 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 2.3m (median of 115) · measured at 2026-09-19 02:00 UTC
Closures by source, last 24h (414051 of 414051 labelled): USER 99.8% (413289) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (762) · last 7d (1730031 of 1730191): USER 98.3% (1701235) · FILL 0.2% (3855) · AUTO 1.2% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3861). 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
g1h3unsolved8012
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4142
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
1BManBJ
23.7% of the fleet
1.30T9,490
2auranvesdranor
21.8% of the fleet
1.20T9,114
3Torom
20.0% of the fleet
1.10T7,941
4randomchampgamer
11.0% of the fleet
602.87B4,504
5tenzink
10.0% of the fleet
549.18B3,562
6JackIV
9.2% of the fleet
506.71B2,529
7MoNiKaMaDnEsS
2.9% of the fleet
161.29B996
8quasa
1.2% of the fleet
66.94B424

8 accounts · 5.48T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.5% of the fleet
79.65T677,611
2tenzink
16.5% of the fleet
34.15T290,332
3auranvesdranor
11.0% of the fleet
22.82T163,759
4BManBJ
10.7% of the fleet
22.16T150,313
5JackIV
4.1% of the fleet
8.45T59,100
6randomchampgamer
3.6% of the fleet
7.46T53,227
7RickEdinson
3.1% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9MoNiKaMaDnEsS
1.8% of the fleet
3.79T24,040
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 207.04T 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