AtomicDB

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53.9M
positions
8.3M
practically solved
195.53T
engine nodes
1.6M
analyses
2,615
in queue
10
active workers
56
active cores
12.7M
nodes / sec
18.6
positions / min
131
proof number
3,716
disproof number
Root conquest: 0/20 first moves solved · 15.5% of tree positions solved · last 24h: 342,825 closures, 4.72T 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 9.1h (median of 112) · measured at 2026-09-16 22:00 UTC
Closures by source, last 24h (342806 of 342806 labelled): USER 99.8% (342207) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (599) · last 7d (1260203 of 1260203): USER 91.1% (1147818) · FILL 1.3% (16342) · AUTO 7.3% (92096) · SOLVE 0.0% (0) · NONE 0.3% (3947). 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
32.0% of the fleet
1.51T11,652
2BManBJ
29.1% of the fleet
1.37T10,556
3tenzink
13.9% of the fleet
654.35B4,007
4randomchampgamer
11.9% of the fleet
563.11B4,431
5MoNiKaMaDnEsS
7.2% of the fleet
341.08B2,184
6JackIV
4.1% of the fleet
192.94B1,055
7NeoArcturus
1.8% of the fleet
85.13B244

7 accounts · 4.72T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.7% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
32.89T282,751
3auranvesdranor
10.1% of the fleet
19.83T141,062
4BManBJ
9.8% of the fleet
19.25T128,363
5JackIV
4.1% of the fleet
7.94T56,572
6RickEdinson
3.2% of the fleet
6.32T41,667
7randomchampgamer
3.2% of the fleet
6.16T43,233
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 · 195.64T 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