AtomicDB

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53.8M
positions
8.3M
practically solved
195.35T
engine nodes
1.6M
analyses
3,079
in queue
11
active workers
72
active cores
24.9M
nodes / sec
22.0
positions / min
131
proof number
3,716
disproof number
Root conquest: 0/20 first moves solved · 15.5% of tree positions solved · last 24h: 337,300 closures, 4.76T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 164 open obligations, of which 30 (18.3%) 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 8.2h (median of 124) · measured at 2026-09-16 21:00 UTC
Closures by source, last 24h (337245 of 337300 labelled): USER 99.8% (336650) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (595) · last 7d (1247579 of 1247579): USER 91.0% (1135109) · FILL 1.3% (16449) · AUTO 7.4% (92096) · SOLVE 0.0% (0) · NONE 0.3% (3925). 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
g1f3unsolved10792
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
31.6% of the fleet
1.50T11,597
2BManBJ
28.7% of the fleet
1.37T10,300
3tenzink
13.7% of the fleet
653.33B4,074
4randomchampgamer
11.9% of the fleet
565.83B4,451
5MoNiKaMaDnEsS
7.2% of the fleet
341.08B2,184
6JackIV
5.1% of the fleet
241.37B1,396
7NeoArcturus
1.8% of the fleet
85.13B244

7 accounts · 4.76T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.7% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
32.86T282,620
3auranvesdranor
10.1% of the fleet
19.78T140,598
4BManBJ
9.8% of the fleet
19.19T127,833
5JackIV
4.1% of the fleet
7.94T56,572
6RickEdinson
3.2% of the fleet
6.32T41,667
7randomchampgamer
3.1% of the fleet
6.14T43,011
8NeoArcturus
2.1% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.8% of the fleet
3.45T21,978

and 22 more.

32 accounts · 195.46T 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