AtomicDB

Sign in Register
79.1M
positions
15.2M
practically solved
285.14T
engine nodes
2.2M
analyses
6,718
in queue
6
active workers
34
active cores
13.5M
nodes / sec
10.8
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.2% of tree positions solved · last 24h: 375,318 closures, 5.99T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 218 open obligations, of which 41 (18.8%) 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 1.1d (median of 7) · measured at 2026-10-08 17:00 UTC
Closures by source, last 24h (375318 of 375318 labelled): USER 96.4% (361643) · FILL 0.4% (1651) · AUTO 3.2% (11927) · SOLVE 0.0% (0) · NONE 0.0% (97) · last 7d (1803351 of 1803351): USER 99.0% (1785217) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.2% (4111). 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
g1f3unsolved10612
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3642
b1c3unsolved1272
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
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
1Torom
50.8% of the fleet
3.04T23,124
2BManBJ
25.4% of the fleet
1.52T10,654
3randomchampgamer
11.0% of the fleet
661.13B4,843
4RickEdinson
7.3% of the fleet
438.30B2,994
5MoNiKaMaDnEsS
3.2% of the fleet
193.30B1,673
6tenzink
2.2% of the fleet
131.04B826
7soothdest
<0.1% of the fleet
2.73B31
8NeoArcturus
<0.1% of the fleet
546.0M5

8 accounts · 5.99T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
31.7% of the fleet
90.30T751,082
2tenzink
15.0% of the fleet
42.83T349,427
3BManBJ
14.9% of the fleet
42.61T298,799
4auranvesdranor
11.0% of the fleet
31.40T228,002
5randomchampgamer
5.6% of the fleet
16.08T118,024
6RickEdinson
3.7% of the fleet
10.69T71,441
7JackIV
3.5% of the fleet
10.06T67,859
8gannet
2.5% of the fleet
7.24T46,848
9Torom
2.5% of the fleet
7.23T54,828
10MoNiKaMaDnEsS
2.2% of the fleet
6.20T42,008

and 25 more.

35 accounts · 285.24T 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