AtomicDB

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55.7M
positions
8.8M
practically solved
201.60T
engine nodes
1.6M
analyses
5,562
in queue
13
active workers
88
active cores
5.4M
nodes / sec
29.7
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.9% of tree positions solved · last 24h: 382,253 closures, 5.36T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 75 over 168 open obligations, of which 30 (17.9%) 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 2.0h (median of 204) · measured at 2026-09-18 03:00 UTC
Closures by source, last 24h (382204 of 382206 labelled): USER 99.9% (381740) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (464) · last 7d (1516475 of 1516475): USER 96.5% (1462750) · FILL 0.5% (7163) · AUTO 2.8% (42690) · SOLVE 0.0% (0) · NONE 0.3% (3872). 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
g1f3unsolved10912
g1h3unsolved8202
e2e3unsolved5053
e2e4unsolved4152
d2d4unsolved4082
b1c3unsolved712
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
28.5% of the fleet
1.52T11,595
2BManBJ
26.2% of the fleet
1.40T10,747
3Torom
19.2% of the fleet
1.03T6,932
4tenzink
11.8% of the fleet
629.66B3,528
5randomchampgamer
11.1% of the fleet
593.91B4,725
6MoNiKaMaDnEsS
3.4% of the fleet
179.55B1,066

6 accounts · 5.36T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
39.5% of the fleet
79.65T677,611
2tenzink
16.7% of the fleet
33.63T286,941
3auranvesdranor
10.7% of the fleet
21.64T154,825
4BManBJ
10.4% of the fleet
20.90T141,063
5JackIV
3.9% of the fleet
7.94T56,572
6randomchampgamer
3.4% of the fleet
6.87T48,879
7RickEdinson
3.1% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9MoNiKaMaDnEsS
1.8% of the fleet
3.63T23,044
10ijh
1.8% of the fleet
3.57T37,348

and 22 more.

32 accounts · 201.75T 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