AtomicDB

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55.4M
positions
8.8M
practically solved
200.79T
engine nodes
1.6M
analyses
1,220
in queue
15
active workers
104
active cores
15.5M
nodes / sec
39.6
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.8% of tree positions solved · last 24h: 355,551 closures, 4.99T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 77 over 170 open obligations, of which 30 (17.6%) 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 21.4h (median of 95) · measured at 2026-09-18 00:00 UTC
Closures by source, last 24h (355438 of 355438 labelled): USER 99.9% (354927) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (511) · last 7d (1477940 of 1478041): USER 95.5% (1411593) · FILL 0.6% (8269) · AUTO 3.7% (54167) · SOLVE 0.0% (0) · NONE 0.3% (3911). 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
g1f3unsolved10912
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4152
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
32.2% of the fleet
1.61T12,268
2BManBJ
27.4% of the fleet
1.37T10,526
3Torom
12.7% of the fleet
633.79B4,120
4tenzink
12.4% of the fleet
616.99B3,289
5randomchampgamer
11.8% of the fleet
588.36B4,680
6MoNiKaMaDnEsS
3.6% of the fleet
179.55B1,066

6 accounts · 4.99T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
39.7% of the fleet
79.65T677,611
2tenzink
16.7% of the fleet
33.53T286,227
3auranvesdranor
10.7% of the fleet
21.51T153,827
4BManBJ
10.3% of the fleet
20.71T139,580
5JackIV
4.0% of the fleet
7.94T56,572
6randomchampgamer
3.4% of the fleet
6.79T48,202
7RickEdinson
3.1% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9MoNiKaMaDnEsS
1.8% of the fleet
3.63T23,044
10ijh
1.8% of the fleet
3.57T37,348

and 22 more.

32 accounts · 200.85T 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