AtomicDB

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55.6M
positions
8.8M
practically solved
201.35T
engine nodes
1.6M
analyses
4,460
in queue
15
active workers
104
active cores
16.5M
nodes / sec
37.3
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 15.8% of tree positions solved · last 24h: 383,238 closures, 5.24T 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 1.1h (median of 186) · measured at 2026-09-18 02:00 UTC
Closures by source, last 24h (383223 of 383238 labelled): USER 99.9% (382754) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (469) · last 7d (1512607 of 1512607): USER 96.1% (1453987) · FILL 0.5% (7765) · AUTO 3.1% (46985) · SOLVE 0.0% (0) · NONE 0.3% (3870). 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
30.4% of the fleet
1.59T12,110
2BManBJ
26.5% of the fleet
1.39T10,693
3Torom
16.4% of the fleet
860.90B5,750
4tenzink
12.0% of the fleet
628.16B3,447
5randomchampgamer
11.3% of the fleet
592.85B4,724
6MoNiKaMaDnEsS
3.4% of the fleet
179.55B1,066

6 accounts · 5.24T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
39.5% of the fleet
79.65T677,611
2tenzink
16.7% of the fleet
33.59T286,637
3auranvesdranor
10.7% of the fleet
21.60T154,480
4BManBJ
10.3% of the fleet
20.83T140,527
5JackIV
3.9% of the fleet
7.94T56,572
6randomchampgamer
3.4% of the fleet
6.84T48,602
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 · 201.39T 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