AtomicDB

Sign in Register
80.7M
positions
15.6M
practically solved
293.62T
engine nodes
2.2M
analyses
3,047
in queue
14
active workers
66
active cores
9.0M
nodes / sec
30.2
positions / min
82
proof number
4,106
disproof number
Root conquest: 0/20 first moves solved · 19.3% of tree positions solved · last 24h: 80,166 closures, 4.13T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 220 open obligations, of which 41 (18.6%) 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 7.3m (median of 7) · measured at 2026-10-10 19:00 UTC
Closures by source, last 24h (80166 of 80166 labelled): USER 100.0% (80139) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (27) · last 7d (1655131 of 1655131): USER 99.0% (1639063) · FILL 0.1% (2071) · AUTO 0.7% (11952) · SOLVE 0.0% (0) · NONE 0.1% (2045). 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
g1f3unsolved10492
g1h3unsolved8212
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3872
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
32.9% of the fleet
1.36T9,164
2BManBJ
31.3% of the fleet
1.29T6,230
3randomchampgamer
16.2% of the fleet
667.05B2,987
4RickEdinson
10.4% of the fleet
428.09B1,925
5MoNiKaMaDnEsS
9.3% of the fleet
383.23B1,671
6soothdest
<0.1% of the fleet
25.3M4

6 accounts · 4.13T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
30.7% of the fleet
90.30T751,082
2BManBJ
15.5% of the fleet
45.54T315,693
3tenzink
14.6% of the fleet
42.83T349,427
4auranvesdranor
10.7% of the fleet
31.40T228,002
5randomchampgamer
5.9% of the fleet
17.46T126,218
6RickEdinson
3.9% of the fleet
11.59T76,379
7Torom
3.5% of the fleet
10.17T74,687
8JackIV
3.4% of the fleet
10.06T67,859
9gannet
2.5% of the fleet
7.24T46,848
10MoNiKaMaDnEsS
2.3% of the fleet
6.69T44,341

and 25 more.

35 accounts · 293.88T 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