AtomicDB

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101.3M
positions
21.3M
practically solved
369.27T
engine nodes
2.8M
analyses
241
in queue
13
active workers
60
active cores
86.2M
nodes / sec
36.8
positions / min
107
proof number
4,809
disproof number
Root conquest: 0/20 first moves solved · 21.0% of tree positions solved · last 24h: 114,699 closures, 3.93T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 201 open obligations, of which 36 (17.9%) 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 6.3m (median of 3) · measured at 2026-10-27 10:00 UTC
Closures by source, last 24h (114697 of 114697 labelled): USER 93.2% (106864) · FILL 0.9% (1002) · AUTO 5.9% (6795) · SOLVE 0.0% (0) · NONE 0.0% (36) · last 7d (3749048 of 3749050): USER 99.3% (3723647) · FILL 0.3% (10008) · AUTO 0.4% (14924) · SOLVE 0.0% (0) · NONE 0.0% (469). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing

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First moves from the starting position

movestateevalvisits
g1f3unsolved10732
g1h3unsolved7812
e2e3unsolved4693
d2d4unsolved4052
e2e4unsolved4012
b1c3unsolved1382
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

PlaceContributorNodesAnalyses
1BManBJ
44.4% of the fleet
1.74T10,080
2Torom
35.5% of the fleet
1.40T8,868
3RickEdinson
12.2% of the fleet
481.20B2,799
4MoNiKaMaDnEsS
7.9% of the fleet
308.90B1,683

4 accounts · 3.93T nodes searched by the whole fleet.

All time

PlaceContributorNodesAnalyses
1NitroColoraze
24.4% of the fleet
90.30T751,082
2BManBJ
19.3% of the fleet
71.16T500,291
3Torom
12.3% of the fleet
45.59T331,156
4tenzink
11.6% of the fleet
42.83T349,427
5auranvesdranor
8.5% of the fleet
31.40T228,002
6randomchampgamer
5.4% of the fleet
19.85T140,897
7RickEdinson
5.2% of the fleet
19.09T125,850
8MoNiKaMaDnEsS
3.0% of the fleet
11.27T77,826
9JackIV
2.7% of the fleet
10.06T67,859
10gannet
2.0% of the fleet
7.24T46,848

and 25 more.

35 accounts · 369.47T 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