AtomicDB

Sign in Register
92.3M
positions
18.3M
practically solved
337.99T
engine nodes
2.6M
analyses
866
in queue
14
active workers
66
active cores
13.3M
nodes / sec
40.9
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.9% of tree positions solved · last 24h: 885,796 closures, 7.70T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 206 open obligations, of which 37 (18.0%) 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 4.0m (median of 91) · measured at 2026-10-21 16:00 UTC
Closures by source, last 24h (885480 of 885588 labelled): USER 99.8% (883829) · FILL 0.1% (1235) · AUTO 0.0% (320) · SOLVE 0.0% (0) · NONE 0.0% (96) · last 7d (2171154 of 2171362): USER 96.3% (2089757) · FILL 0.5% (10987) · AUTO 3.1% (67528) · SOLVE 0.0% (0) · NONE 0.1% (2882). 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
g1f3unsolved11732
g1h3unsolved6302
e2e3unsolved5053
d2d4unsolved4022
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
1Torom
63.1% of the fleet
4.85T36,256
2BManBJ
24.8% of the fleet
1.91T14,774
3RickEdinson
6.5% of the fleet
497.89B2,848
4MoNiKaMaDnEsS
5.6% of the fleet
432.90B2,952

4 accounts · 7.70T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
26.7% of the fleet
90.30T751,082
2BManBJ
18.0% of the fleet
60.74T429,913
3tenzink
12.7% of the fleet
42.83T349,427
4auranvesdranor
9.3% of the fleet
31.40T228,002
5Torom
8.7% of the fleet
29.36T209,885
6randomchampgamer
5.9% of the fleet
19.85T140,897
7RickEdinson
4.8% of the fleet
16.34T108,215
8JackIV
3.0% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.8% of the fleet
9.37T64,420
10gannet
2.1% of the fleet
7.24T46,848

and 25 more.

35 accounts · 338.14T 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