AtomicDB

Sign in Register
85.2M
positions
16.2M
practically solved
312.13T
engine nodes
2.4M
analyses
0
in queue
5
active workers
28
active cores
20.3M
nodes / sec
14.7
positions / min
154
proof number
4,701
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 113,894 closures, 2.49T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 210 open obligations, of which 39 (18.6%) sit at or below dn 2, one unanswered question from falling over · 0 open nodes on impossible numbers · measured at 2026-10-16 11:00 UTC
Closures by source, last 24h (113894 of 113894 labelled): USER 74.2% (84519) · FILL 1.5% (1691) · AUTO 24.3% (27629) · SOLVE 0.0% (0) · NONE 0.0% (55) · last 7d (841241 of 841241): USER 91.6% (770813) · FILL 0.7% (5504) · AUTO 7.7% (64431) · SOLVE 0.0% (0) · NONE 0.1% (493). 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
g1f3unsolved11122
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
57.5% of the fleet
1.43T14,871
2RickEdinson
17.3% of the fleet
429.59B4,050
3MoNiKaMaDnEsS
15.7% of the fleet
390.10B3,716
4randomchampgamer
9.6% of the fleet
238.65B1,637
5NeoArcturus
<0.1% of the fleet
144.9M4

5 accounts · 2.49T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
28.9% of the fleet
90.30T751,082
2BManBJ
16.7% of the fleet
52.09T368,148
3tenzink
13.7% 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
4.5% of the fleet
13.92T93,454
8JackIV
3.2% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.6% of the fleet
8.22T56,311
10gannet
2.3% of the fleet
7.24T46,848

and 25 more.

35 accounts · 312.20T 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