AtomicDB

Sign in Register
69.2M
positions
12.5M
practically solved
249.06T
engine nodes
1.9M
analyses
7,800
in queue
18
active workers
128
active cores
19.5M
nodes / sec
35.1
positions / min
57
proof number
3,808
disproof number
Root conquest: 0/20 first moves solved · 18.1% of tree positions solved · last 24h: 418,083 closures, 6.90T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 198 open obligations, of which 32 (16.2%) 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 26.7m (median of 142) · measured at 2026-09-30 15:00 UTC
Closures by source, last 24h (418035 of 418035 labelled): USER 99.9% (417798) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (237) · last 7d (2215791 of 2215839): USER 98.0% (2172162) · FILL 0.4% (8795) · AUTO 1.4% (32065) · SOLVE 0.0% (0) · NONE 0.1% (2769). 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
g1h3unsolved7112
e2e3unsolved4533
d2d4unsolved4372
e2e4unsolved4072
b1c3unsolved1422
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-982
a2a3unsolved-1032
d2d3unsolved-1162
f2f3unsolved-1173
b2b3unsolved-1691
f2f4unsolved-3023
h2h4unsolved-5002
a2a4unsolved-5102
g2g4unsolved-6002
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
1gannet
41.4% of the fleet
2.86T22,023
2BManBJ
21.5% of the fleet
1.48T11,428
3auranvesdranor
14.9% of the fleet
1.03T7,800
4randomchampgamer
8.7% of the fleet
597.15B4,794
5tenzink
8.6% of the fleet
591.10B4,174
6RickEdinson
2.8% of the fleet
190.22B1,291
7MoNiKaMaDnEsS
2.2% of the fleet
151.25B1,164
8soothdest
<0.1% of the fleet
1.31B21

8 accounts · 6.90T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.2% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
37.93T315,506
3BManBJ
12.3% of the fleet
30.67T213,563
4auranvesdranor
11.7% of the fleet
29.10T210,415
5randomchampgamer
4.3% of the fleet
10.78T79,605
6JackIV
4.0% of the fleet
10.06T67,859
7RickEdinson
2.8% of the fleet
6.96T46,195
8gannet
2.0% of the fleet
5.01T29,646
9MoNiKaMaDnEsS
1.8% of the fleet
4.52T29,480
10NeoArcturus
1.6% of the fleet
4.09T16,758

and 25 more.

35 accounts · 249.19T 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