AtomicDB

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88.8M
positions
17.0M
practically solved
327.55T
engine nodes
2.5M
analyses
286
in queue
5
active workers
28
active cores
5.4M
nodes / sec
11.8
positions / min
143
proof number
4,658
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 347,740 closures, 5.60T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 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 2.7m (median of 129) · measured at 2026-10-19 23:00 UTC
Closures by source, last 24h (347703 of 347724 labelled): USER 98.9% (343727) · FILL 0.2% (533) · AUTO 0.3% (1002) · SOLVE 0.0% (0) · NONE 0.7% (2441) · last 7d (1087128 of 1087144): USER 92.8% (1009378) · FILL 0.7% (7648) · AUTO 6.2% (67149) · SOLVE 0.0% (0) · NONE 0.3% (2953). 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
g1f3unsolved11582
g1h3unsolved8212
e2e3unsolved5053
d2d4unsolved4012
e2e4unsolved4002
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
59.4% of the fleet
3.33T24,358
2BManBJ
29.0% of the fleet
1.63T12,242
3RickEdinson
7.4% of the fleet
414.00B2,571
4MoNiKaMaDnEsS
4.1% of the fleet
230.93B1,758

4 accounts · 5.60T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
27.6% of the fleet
90.30T751,082
2BManBJ
17.6% of the fleet
57.55T405,686
3tenzink
13.1% of the fleet
42.83T349,427
4auranvesdranor
9.6% of the fleet
31.40T228,002
5Torom
7.2% of the fleet
23.48T167,251
6randomchampgamer
6.1% of the fleet
19.85T140,897
7RickEdinson
4.7% of the fleet
15.52T103,412
8JackIV
3.1% of the fleet
10.06T67,859
9MoNiKaMaDnEsS
2.7% of the fleet
8.77T60,417
10gannet
2.2% of the fleet
7.24T46,848

and 25 more.

35 accounts · 327.63T 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