AtomicDB

Sign in Register
82.5M
positions
15.8M
practically solved
301.54T
engine nodes
2.3M
analyses
31
in queue
5
active workers
28
active cores
8.0M
nodes / sec
6.8
positions / min
85
proof number
4,552
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 83,558 closures, 4.67T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 217 open obligations, of which 41 (18.9%) 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 7.5m (median of 9) · measured at 2026-10-12 10:00 UTC
Closures by source, last 24h (83558 of 83558 labelled): USER 98.9% (82679) · FILL 0.3% (243) · AUTO 0.7% (598) · SOLVE 0.0% (0) · NONE 0.0% (38) · last 7d (1505165 of 1505165): USER 97.8% (1472168) · FILL 0.2% (2936) · AUTO 2.0% (29481) · SOLVE 0.0% (0) · NONE 0.0% (580). 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
g1f3unsolved10632
g1h3unsolved7532
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3892
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
54.0% of the fleet
2.52T17,773
2BManBJ
28.2% of the fleet
1.31T7,705
3RickEdinson
9.1% of the fleet
424.95B2,412
4randomchampgamer
7.7% of the fleet
358.29B1,782
5MoNiKaMaDnEsS
1.1% of the fleet
50.67B387

5 accounts · 4.67T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.9% of the fleet
90.30T751,082
2BManBJ
15.8% of the fleet
47.51T330,623
3tenzink
14.2% of the fleet
42.83T349,427
4auranvesdranor
10.4% of the fleet
31.40T228,002
5randomchampgamer
6.0% of the fleet
18.16T130,741
6Torom
4.8% of the fleet
14.40T104,848
7RickEdinson
4.1% of the fleet
12.24T81,057
8JackIV
3.3% of the fleet
10.06T67,859
9gannet
2.4% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.85T46,418

and 25 more.

35 accounts · 301.60T 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 23 proposals · see every proposal

Milestones