AtomicDB

Sign in Register
85.7M
positions
16.3M
practically solved
314.04T
engine nodes
2.4M
analyses
73
in queue
5
active workers
28
active cores
20.2M
nodes / sec
7.5
positions / min
151
proof number
4,667
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 69,013 closures, 2.07T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 212 open obligations, of which 39 (18.4%) 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 12.7m (median of 22) · measured at 2026-10-17 09:00 UTC
Closures by source, last 24h (69013 of 69013 labelled): USER 71.4% (49305) · FILL 2.1% (1452) · AUTO 26.3% (18179) · SOLVE 0.0% (0) · NONE 0.1% (77) · last 7d (694348 of 694348): USER 87.3% (606460) · FILL 1.0% (6903) · AUTO 11.6% (80477) · SOLVE 0.0% (0) · NONE 0.1% (508). 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
g1f3unsolved11592
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
64.3% of the fleet
1.33T10,719
2RickEdinson
23.1% of the fleet
478.42B3,401
3MoNiKaMaDnEsS
12.6% of the fleet
261.45B2,053

3 accounts · 2.07T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.7% of the fleet
90.30T751,082
2BManBJ
17.0% of the fleet
53.30T377,659
3tenzink
13.6% of the fleet
42.83T349,427
4auranvesdranor
10.0% of the fleet
31.40T228,002
5randomchampgamer
6.3% of the fleet
19.85T140,897
6Torom
5.0% of the fleet
15.70T113,354
7RickEdinson
4.6% of the fleet
14.36T96,652
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.48T58,201
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 314.11T 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