AtomicDB

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109.1M
positions
23.2M
practically solved
407.55T
engine nodes
3.0M
analyses
5,148
in queue
18
active workers
132
active cores
146.1M
nodes / sec
62.6
positions / min
118
proof number
4,004
disproof number
Root conquest: 0/20 first moves solved · 21.3% of tree positions solved · last 24h: 657,930 closures, 11.99T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 194 open obligations, of which 35 (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 6.4m (median of 12) · measured at 2026-11-03 08:00 UTC
Closures by source, last 24h (657858 of 657858 labelled): USER 100.0% (657666) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (192) · last 7d (1775630 of 1775702): USER 99.1% (1759349) · FILL 0.5% (9185) · AUTO 0.4% (6448) · SOLVE 0.0% (0) · NONE 0.0% (648). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing all workers

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved12612
g1h3unsolved7492
d2d4unsolved4432
e2e3unsolved4373
e2e4unsolved4002
b1c3unsolved1592
b1a3unsolved03
c2c3unsolved02
g2g3unsolved03
b2b4unsolved-593
h2h3unsolved-973
d2d3unsolved-982
a2a3unsolved-1002
f2f3unsolved-1173
b2b3unsolved-1441
f2f4unsolved-2603
h2h4unsolved-5003
a2a4unsolved-5142
g2g4unsolved-6043
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
1Torom
45.2% of the fleet
5.42T41,408
2gannet
34.3% of the fleet
4.11T31,945
3BManBJ
13.2% of the fleet
1.59T6,735
4RickEdinson
3.9% of the fleet
464.64B3,322
5MoNiKaMaDnEsS
3.3% of the fleet
390.84B2,962
6rookgamestrategy
0.1% of the fleet
17.28B81

6 accounts · 11.99T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
22.1% of the fleet
90.30T751,082
2BManBJ
20.2% of the fleet
82.37T546,647
3Torom
14.5% of the fleet
59.04T427,767
4tenzink
10.5% of the fleet
42.83T349,427
5auranvesdranor
7.7% of the fleet
31.40T228,002
6RickEdinson
5.5% of the fleet
22.28T146,441
7randomchampgamer
4.9% of the fleet
19.85T140,897
8gannet
3.8% of the fleet
15.69T110,074
9MoNiKaMaDnEsS
3.2% of the fleet
13.23T91,770
10JackIV
2.5% of the fleet
10.06T67,859

and 26 more.

36 accounts · 407.81T 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