AtomicDB

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61.5M
positions
10.6M
practically solved
222.54T
engine nodes
1.7M
analyses
0
in queue
21
active workers
352
active cores
4.9M
nodes / sec
28.8
positions / min
125
proof number
3,794
disproof number
Root conquest: 0/20 first moves solved · 17.2% of tree positions solved · last 24h: 450,031 closures, 6.07T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 80 over 180 open obligations, of which 29 (16.1%) 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 4.1h (median of 101) · measured at 2026-09-26 00:00 UTC
Closures by source, last 24h (449808 of 449894 labelled): USER 98.7% (443951) · FILL 0.1% (343) · AUTO 1.2% (5192) · SOLVE 0.0% (0) · NONE 0.1% (322) · last 7d (1304900 of 1305037): USER 99.5% (1298036) · FILL 0.0% (343) · AUTO 0.4% (5192) · SOLVE 0.0% (0) · NONE 0.1% (1329). 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
g1f3unsolved10592
g1h3unsolved7742
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
1NitroColoraze
80.0% of the fleet
4.86T38,039
2BManBJ
10.2% of the fleet
621.19B4,590
3tenzink
4.4% of the fleet
268.06B2,161
4randomchampgamer
2.8% of the fleet
169.90B1,325
5RickEdinson
2.1% of the fleet
125.14B1,026
6rhaxier
0.4% of the fleet
24.20B142
7soothdest
<0.1% of the fleet
2.89B26

7 accounts · 6.07T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.0% of the fleet
84.50T715,650
2tenzink
15.9% of the fleet
35.40T299,196
3BManBJ
11.3% of the fleet
25.21T173,075
4auranvesdranor
11.3% of the fleet
25.14T181,535
5JackIV
4.5% of the fleet
10.06T67,859
6randomchampgamer
3.8% of the fleet
8.48T61,463
7RickEdinson
2.9% of the fleet
6.45T42,693
8NeoArcturus
1.8% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.96T25,268
10ijh
1.6% of the fleet
3.57T37,348

and 22 more.

32 accounts · 222.55T 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 20 proposals · see every proposal

Milestones