AtomicDB

Sign in Register
74.5M
positions
13.9M
practically solved
267.52T
engine nodes
2.1M
analyses
1,896
in queue
10
active workers
56
active cores
2.5M
nodes / sec
22.3
positions / min
82
proof number
3,797
disproof number
Root conquest: 0/20 first moves solved · 18.6% of tree positions solved · last 24h: 123,774 closures, 3.62T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 67 over 213 open obligations, of which 42 (19.7%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · measured at 2026-10-04 14:00 UTC
Closures by source, last 24h (123774 of 123774 labelled): USER 99.2% (122774) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.8% (1000) · last 7d (2147976 of 2147976): USER 99.8% (2143305) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (4671). 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
g1f3unsolved11012
g1h3unsolved7242
e2e3unsolved5053
d2d4unsolved4402
e2e4unsolved4182
b1c3unsolved1142
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
1BManBJ
46.8% of the fleet
1.69T12,789
2tenzink
19.6% of the fleet
709.83B5,132
3randomchampgamer
19.6% of the fleet
708.35B5,225
4RickEdinson
13.7% of the fleet
493.60B3,335
5MoNiKaMaDnEsS
0.3% of the fleet
9.86B78
6quasa
<0.1% of the fleet
766.4M6

6 accounts · 3.62T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
33.7% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
40.57T334,734
3BManBJ
13.7% of the fleet
36.68T259,469
4auranvesdranor
11.7% of the fleet
31.40T228,002
5randomchampgamer
5.0% of the fleet
13.41T99,798
6JackIV
3.8% of the fleet
10.06T67,859
7RickEdinson
3.3% of the fleet
8.79T59,147
8gannet
2.7% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.0% of the fleet
5.22T34,916
10NeoArcturus
1.5% of the fleet
4.09T16,758

and 25 more.

35 accounts · 267.67T 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