AtomicDB

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58.5M
positions
9.7M
practically solved
210.89T
engine nodes
1.7M
analyses
11,269
in queue
20
active workers
106
active cores
12.6M
nodes / sec
38.1
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.6% of tree positions solved · last 24h: 618,448 closures, 6.59T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 167 open obligations, of which 28 (16.8%) 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 1.5m (median of 90) · measured at 2026-09-19 17:00 UTC
Closures by source, last 24h (618244 of 618294 labelled): USER 99.9% (617553) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (691) · last 7d (2068115 of 2068269): USER 98.6% (2039649) · FILL 0.2% (3608) · AUTO 1.0% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3778). 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
g1f3unsolved10682
g1h3unsolved7652
e2e3unsolved5053
d2d4unsolved4352
e2e4unsolved4172
b1c3unsolved722
c2c3unsolved02
g2g3unsolved02
b2b4unsolved03
b1a3unsolved03
h2h3unsolved-1002
a2a3unsolved-1032
f2f3unsolved-1102
d2d3unsolved-1162
b2b3unsolved-1191
f2f4unsolved-2233
h2h4unsolved-5002
a2a4unsolved-5022
g2g4unsolved-6002
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
1auranvesdranor
23.4% of the fleet
1.54T11,745
2BManBJ
22.3% of the fleet
1.47T10,783
3Torom
16.4% of the fleet
1.08T7,749
4JackIV
15.8% of the fleet
1.04T5,827
5tenzink
9.3% of the fleet
611.45B3,926
6randomchampgamer
8.4% of the fleet
552.35B4,456
7quasa
2.7% of the fleet
180.57B1,308
8MoNiKaMaDnEsS
1.6% of the fleet
105.91B691
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 6.59T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.7% of the fleet
79.65T677,611
2tenzink
16.4% of the fleet
34.53T292,905
3auranvesdranor
11.3% of the fleet
23.84T171,578
4BManBJ
11.0% of the fleet
23.12T157,302
5JackIV
4.3% of the fleet
9.07T62,826
6randomchampgamer
3.7% of the fleet
7.81T56,051
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.87T24,540
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 211.12T 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 19 proposals · see every proposal

Milestones