AtomicDB

Sign in Register
84.8M
positions
16.2M
practically solved
311.00T
engine nodes
2.4M
analyses
400
in queue
5
active workers
28
active cores
0
nodes / sec
9.9
positions / min
124
proof number
4,635
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 147,409 closures, 2.63T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 212 open obligations, of which 40 (18.9%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · measured at 2026-10-15 23:00 UTC
Closures by source, last 24h (147322 of 147322 labelled): USER 79.6% (117296) · FILL 1.8% (2593) · AUTO 18.6% (27362) · SOLVE 0.0% (0) · NONE 0.0% (71) · last 7d (905800 of 905800): USER 94.2% (853402) · FILL 0.5% (4619) · AUTO 5.2% (47293) · SOLVE 0.0% (0) · NONE 0.1% (486). 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
g1f3unsolved11472
g1h3unsolved7632
e2e3unsolved5053
d2d4unsolved4002
e2e4unsolved4002
b1c3unsolved1382
c2c3unsolved02
g2g3unsolved02
b1a3unsolved03
b2b4unsolved-653
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
52.3% of the fleet
1.38T14,023
2randomchampgamer
20.0% of the fleet
527.43B4,659
3RickEdinson
16.0% of the fleet
422.36B4,114
4MoNiKaMaDnEsS
11.6% of the fleet
305.10B2,484
5NeoArcturus
<0.1% of the fleet
144.9M4

5 accounts · 2.63T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
29.0% of the fleet
90.30T751,082
2BManBJ
16.5% of the fleet
51.37T359,612
3tenzink
13.8% of the fleet
42.83T349,427
4auranvesdranor
10.1% of the fleet
31.40T228,002
5randomchampgamer
6.4% of the fleet
19.85T140,897
6Torom
5.0% of the fleet
15.70T113,354
7RickEdinson
4.4% of the fleet
13.71T91,182
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.6% of the fleet
8.02T53,934
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 311.07T 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