AtomicDB

Sign in Register
69.9M
positions
12.7M
practically solved
251.61T
engine nodes
1.9M
analyses
4,422
in queue
18
active workers
128
active cores
28.6M
nodes / sec
39.8
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.2% of tree positions solved · last 24h: 461,150 closures, 7.24T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 200 open obligations, of which 33 (16.5%) 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 2.6m (median of 101) · measured at 2026-09-30 23:00 UTC
Closures by source, last 24h (461150 of 461150 labelled): USER 100.0% (461075) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (75) · last 7d (2372338 of 2372338): USER 98.2% (2328697) · FILL 0.4% (8795) · AUTO 1.4% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2781). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

Up next

Play to explore drag a piece or click two squares

Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved10512
g1h3unsolved8022
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
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
1gannet
43.2% of the fleet
3.12T23,980
2BManBJ
20.8% of the fleet
1.50T11,640
3auranvesdranor
14.5% of the fleet
1.05T7,967
4randomchampgamer
8.5% of the fleet
613.99B4,947
5tenzink
8.0% of the fleet
582.52B4,114
6RickEdinson
2.6% of the fleet
190.62B1,244
7MoNiKaMaDnEsS
2.4% of the fleet
171.16B1,351
8soothdest
<0.1% of the fleet
1.47B35

8 accounts · 7.24T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
35.9% of the fleet
90.30T751,082
2tenzink
15.1% of the fleet
38.11T316,779
3BManBJ
12.4% of the fleet
31.17T217,391
4auranvesdranor
11.7% of the fleet
29.45T213,111
5randomchampgamer
4.4% of the fleet
10.99T81,286
6JackIV
4.0% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
7.08T46,918
8gannet
2.5% of the fleet
6.17T38,655
9MoNiKaMaDnEsS
1.8% of the fleet
4.59T29,990
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 251.79T 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 21 proposals · see every proposal

Milestones