AtomicDB

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59.9M
positions
10.1M
practically solved
215.51T
engine nodes
1.7M
analyses
3,610
in queue
12
active workers
84
active cores
26.9M
nodes / sec
28.6
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 418,958 closures, 5.52T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 76 over 172 open obligations, of which 29 (16.9%) 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 17.1m (median of 176) · measured at 2026-09-20 13:00 UTC
Closures by source, last 24h (418944 of 418944 labelled): USER 99.9% (418495) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (449) · last 7d (2332087 of 2332101): USER 99.7% (2326171) · FILL 0.1% (1561) · AUTO 0.0% (559) · SOLVE 0.0% (0) · NONE 0.2% (3796). 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
g1f3unsolved10752
g1h3unsolved7352
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
1BManBJ
27.4% of the fleet
1.51T11,394
2auranvesdranor
23.3% of the fleet
1.29T9,877
3JackIV
18.3% of the fleet
1.01T5,137
4tenzink
11.2% of the fleet
617.82B4,304
5randomchampgamer
9.2% of the fleet
510.20B4,105
6Torom
8.4% of the fleet
464.11B3,174
7MoNiKaMaDnEsS
2.2% of the fleet
120.58B891

7 accounts · 5.52T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
36.9% of the fleet
79.65T677,611
2tenzink
16.2% of the fleet
35.05T296,542
3auranvesdranor
11.5% of the fleet
24.87T179,449
4BManBJ
11.3% of the fleet
24.37T166,787
5JackIV
4.6% of the fleet
9.91T66,874
6randomchampgamer
3.8% of the fleet
8.23T59,443
7RickEdinson
2.9% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.96T25,268
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 215.67T 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