AtomicDB

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58.1M
positions
9.6M
practically solved
209.78T
engine nodes
1.7M
analyses
5,307
in queue
13
active workers
88
active cores
27.4M
nodes / sec
30.7
positions / min
131
proof number
3,776
disproof number
Root conquest: 0/20 first moves solved · 16.5% of tree positions solved · last 24h: 560,061 closures, 6.38T 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 10.0m (median of 113) · measured at 2026-09-19 12:00 UTC
Closures by source, last 24h (559822 of 559822 labelled): USER 99.9% (559084) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (738) · last 7d (1980378 of 1980617): USER 98.6% (1951921) · FILL 0.2% (3608) · AUTO 1.1% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3769). 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
g1h3unsolved8032
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
24.6% of the fleet
1.57T11,936
2BManBJ
21.6% of the fleet
1.38T10,046
3Torom
16.0% of the fleet
1.02T7,308
4JackIV
14.4% of the fleet
917.84B4,952
5randomchampgamer
9.0% of the fleet
572.07B4,319
6tenzink
9.0% of the fleet
571.19B3,666
7quasa
3.3% of the fleet
210.39B1,481
8MoNiKaMaDnEsS
2.0% of the fleet
129.47B754
9soothdest
0.1% of the fleet
8.10B61
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 6.38T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.9% of the fleet
79.65T677,611
2tenzink
16.4% of the fleet
34.41T292,120
3auranvesdranor
11.2% of the fleet
23.51T169,027
4BManBJ
10.9% of the fleet
22.80T154,929
5JackIV
4.2% of the fleet
8.86T61,524
6randomchampgamer
3.7% of the fleet
7.69T55,143
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.84T24,377
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 209.94T 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