AtomicDB

Sign in Register
99.9M
positions
20.9M
practically solved
362.97T
engine nodes
2.7M
analyses
2,661
in queue
5
active workers
28
active cores
24.7M
nodes / sec
11.1
positions / min
108
proof number
4,747
disproof number
Root conquest: 0/20 first moves solved · 20.9% of tree positions solved · last 24h: 220,875 closures, 4.34T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 200 open obligations, of which 36 (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 2.9m (median of 23) · measured at 2026-10-25 11:00 UTC
Closures by source, last 24h (220875 of 220875 labelled): USER 99.7% (220240) · FILL 0.2% (476) · AUTO 0.0% (64) · SOLVE 0.0% (0) · NONE 0.0% (95) · last 7d (4134778 of 4134778): USER 99.6% (4117896) · FILL 0.2% (8946) · AUTO 0.1% (5050) · SOLVE 0.0% (0) · NONE 0.1% (2886). 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
g1f3unsolved12282
g1h3unsolved7592
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4012
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
43.8% of the fleet
1.90T13,751
2BManBJ
39.5% of the fleet
1.71T11,123
3RickEdinson
11.0% of the fleet
477.99B3,093
4MoNiKaMaDnEsS
5.7% of the fleet
247.10B1,855

4 accounts · 4.34T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
24.9% of the fleet
90.30T751,082
2BManBJ
18.6% of the fleet
67.69T480,554
3Torom
12.2% of the fleet
44.19T322,289
4tenzink
11.8% of the fleet
42.83T349,427
5auranvesdranor
8.7% of the fleet
31.40T228,002
6randomchampgamer
5.5% of the fleet
19.85T140,897
7RickEdinson
5.0% of the fleet
18.16T120,421
8MoNiKaMaDnEsS
2.9% of the fleet
10.61T73,962
9JackIV
2.8% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 363.02T 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