AtomicDB

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54.0M
positions
8.4M
practically solved
195.83T
engine nodes
1.6M
analyses
1,788
in queue
10
active workers
56
active cores
9.0M
nodes / sec
18.5
positions / min
131
proof number
3,716
disproof number
Root conquest: 0/20 first moves solved · 15.5% of tree positions solved · last 24h: 347,623 closures, 4.52T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 165 open obligations, of which 30 (18.2%) 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 11.1h (median of 158) · measured at 2026-09-17 00:00 UTC
Closures by source, last 24h (347564 of 347564 labelled): USER 99.8% (346928) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.2% (636) · last 7d (1273380 of 1273439): USER 91.2% (1161047) · FILL 1.3% (16251) · AUTO 7.2% (92096) · SOLVE 0.0% (0) · NONE 0.3% (3986). 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
g1f3unsolved10792
g1h3unsolved8202
e2e3unsolved5023
e2e4unsolved4092
d2d4unsolved4082
b1c3unsolved742
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
32.2% of the fleet
1.46T11,231
2BManBJ
30.0% of the fleet
1.35T10,495
3tenzink
13.9% of the fleet
628.45B3,804
4randomchampgamer
12.4% of the fleet
560.90B4,389
5MoNiKaMaDnEsS
7.5% of the fleet
341.08B2,184
6JackIV
2.1% of the fleet
94.84B594
7NeoArcturus
1.9% of the fleet
85.13B244

7 accounts · 4.52T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
40.6% of the fleet
79.65T677,611
2tenzink
16.8% of the fleet
32.92T283,004
3auranvesdranor
10.2% of the fleet
19.92T141,744
4BManBJ
9.9% of the fleet
19.37T129,306
5JackIV
4.1% of the fleet
7.94T56,572
6RickEdinson
3.2% of the fleet
6.32T41,667
7randomchampgamer
3.2% of the fleet
6.21T43,620
8NeoArcturus
2.1% of the fleet
4.09T16,751
9ijh
1.8% of the fleet
3.57T37,348
10MoNiKaMaDnEsS
1.8% of the fleet
3.45T21,978

and 22 more.

32 accounts · 195.93T 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 18 proposals · see every proposal

Milestones