AtomicDB

Sign in Register
103.9M
positions
22.0M
practically solved
382.78T
engine nodes
2.9M
analyses
143
in queue
5
active workers
28
active cores
24.7M
nodes / sec
5.0
positions / min
107
proof number
4,824
disproof number
Root conquest: 0/20 first moves solved · 21.2% of tree positions solved · last 24h: 249,113 closures, 2.57T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 72 over 203 open obligations, of which 37 (18.2%) 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 8.3m (median of 81) · measured at 2026-10-30 22:00 UTC
Closures by source, last 24h (249113 of 249113 labelled): USER 100.0% (249034) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (79) · last 7d (1411459 of 1411459): USER 98.1% (1384995) · FILL 0.7% (9638) · AUTO 1.2% (16257) · SOLVE 0.0% (0) · NONE 0.0% (569). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing all workers

Up next

Play to explore drag a piece or click two squares

Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved11402
g1h3unsolved8202
e2e3unsolved4693
e2e4unsolved4102
d2d4unsolved4052
b1c3unsolved1422
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-593
h2h3unsolved-972
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5002
a2a4unsolved-5142
g2g4unsolved-6042
c2c4unsolved-7003

Best and worst values over time, and the main line

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
65.3% of the fleet
1.68T6,021
2MoNiKaMaDnEsS
17.7% of the fleet
453.09B3,594
3RickEdinson
17.0% of the fleet
435.35B2,713
4soothdest
<0.1% of the fleet
896.0M7
5NeoArcturus
<0.1% of the fleet
384.4M3

5 accounts · 2.57T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
23.6% of the fleet
90.30T751,082
2BManBJ
20.1% of the fleet
76.86T523,501
3Torom
13.2% of the fleet
50.55T363,522
4tenzink
11.2% of the fleet
42.83T349,427
5auranvesdranor
8.2% of the fleet
31.40T228,002
6RickEdinson
5.4% of the fleet
20.77T136,041
7randomchampgamer
5.2% of the fleet
19.85T140,897
8MoNiKaMaDnEsS
3.2% of the fleet
12.30T85,123
9JackIV
2.6% of the fleet
10.06T67,859
10gannet
1.9% of the fleet
7.24T46,848

and 25 more.

35 accounts · 382.85T 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