AtomicDB

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78.0M
positions
14.9M
practically solved
281.23T
engine nodes
2.2M
analyses
203
in queue
14
active workers
66
active cores
29.9M
nodes / sec
26.8
positions / min
82
proof number
3,796
disproof number
Root conquest: 0/20 first moves solved · 19.1% of tree positions solved · last 24h: 428,773 closures, 4.49T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 70 over 222 open obligations, of which 42 (18.9%) 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 18.9m (median of 105) · measured at 2026-10-08 02:00 UTC
Closures by source, last 24h (428731 of 428731 labelled): USER 99.8% (428059) · FILL 0.1% (589) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (83) · last 7d (2015156 of 2015198): USER 99.7% (2009583) · FILL 0.0% (1003) · AUTO 0.0% (25) · SOLVE 0.0% (0) · NONE 0.2% (4545). 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
g1f3unsolved10292
g1h3unsolved7262
e2e3unsolved5053
e2e4unsolved4002
d2d4unsolved3062
b1c3unsolved1252
b1a3unsolved03
c2c3unsolved02
g2g3unsolved02
b2b4unsolved-733
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
1BManBJ
34.4% of the fleet
1.54T10,737
2Torom
24.0% of the fleet
1.08T6,720
3randomchampgamer
14.3% of the fleet
640.90B4,873
4tenzink
12.2% of the fleet
549.29B3,850
5RickEdinson
10.3% of the fleet
464.01B3,202
6MoNiKaMaDnEsS
4.8% of the fleet
216.12B1,582

6 accounts · 4.49T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
32.1% of the fleet
90.30T751,082
2tenzink
15.2% of the fleet
42.83T349,427
3BManBJ
14.8% of the fleet
41.69T292,097
4auranvesdranor
11.2% of the fleet
31.40T228,002
5randomchampgamer
5.6% of the fleet
15.67T115,124
6RickEdinson
3.7% of the fleet
10.42T69,538
7JackIV
3.6% of the fleet
10.06T67,859
8gannet
2.6% of the fleet
7.24T46,848
9MoNiKaMaDnEsS
2.1% of the fleet
6.01T40,335
10Torom
1.9% of the fleet
5.27T38,424

and 25 more.

35 accounts · 281.49T 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 21 proposals · see every proposal

Milestones