AtomicDB

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101.3M
positions
21.3M
practically solved
369.27T
engine nodes
2.8M
analyses
145
in queue
13
active workers
60
active cores
87.3M
nodes / sec
36.1
positions / min
107
proof number
4,808
disproof number
Root conquest: 0/20 first moves solved · 21.0% of tree positions solved · last 24h: 114,011 closures, 4.00T 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 (113985 of 113985 labelled): USER 92.9% (105941) · FILL 0.9% (1002) · AUTO 6.1% (7006) · SOLVE 0.0% (0) · NONE 0.0% (36) · last 7d (3746170 of 3746196): USER 99.3% (3720558) · FILL 0.3% (10008) · AUTO 0.4% (15135) · 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.

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Keyboard move list

First moves from the starting position

movestateevalvisits
g1f3unsolved12312
g1h3unsolved7642
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

ContributorNodesAnalyses
1BManBJ
43.6% of the fleet
1.74T10,143
2Torom
37.0% of the fleet
1.48T9,457
3RickEdinson
12.0% of the fleet
480.78B2,831
4MoNiKaMaDnEsS
7.4% of the fleet
294.62B1,604

4 accounts · 4.00T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
24.4% of the fleet
90.30T751,082
2BManBJ
19.3% of the fleet
71.19T500,493
3Torom
12.4% of the fleet
45.67T331,746
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
19.10T125,912
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 · 369.59T 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