AtomicDB

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56.6M
positions
9.0M
practically solved
204.84T
engine nodes
1.6M
analyses
6,878
in queue
12
active workers
81
active cores
26.1M
nodes / sec
21.9
positions / min
131
proof number
3,717
disproof number
Root conquest: 0/20 first moves solved · 16.0% of tree positions solved · last 24h: 369,708 closures, 5.58T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 71 over 167 open obligations, of which 31 (18.6%) 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 187) · measured at 2026-09-18 19:00 UTC
Closures by source, last 24h (369708 of 369708 labelled): USER 99.9% (369189) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (519) · last 7d (1590570 of 1590570): USER 98.2% (1561795) · FILL 0.2% (3855) · AUTO 1.3% (21080) · SOLVE 0.0% (0) · NONE 0.2% (3840). 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
g1h3unsolved7702
e2e3unsolved5053
d2d4unsolved4342
e2e4unsolved4172
b1c3unsolved912
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
1Torom
25.3% of the fleet
1.41T9,806
2BManBJ
23.2% of the fleet
1.29T9,656
3auranvesdranor
22.3% of the fleet
1.24T9,433
4randomchampgamer
11.2% of the fleet
624.30B4,659
5tenzink
10.0% of the fleet
558.63B3,902
6MoNiKaMaDnEsS
4.2% of the fleet
231.92B1,400
7JackIV
2.7% of the fleet
148.62B607
8quasa
1.2% of the fleet
66.94B424

8 accounts · 5.57T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
38.9% of the fleet
79.65T677,611
2tenzink
16.6% of the fleet
33.96T289,211
3auranvesdranor
10.9% of the fleet
22.40T160,574
4BManBJ
10.6% of the fleet
21.70T146,922
5JackIV
4.0% of the fleet
8.09T57,179
6randomchampgamer
3.6% of the fleet
7.29T51,857
7RickEdinson
3.1% of the fleet
6.32T41,667
8NeoArcturus
2.0% of the fleet
4.09T16,751
9MoNiKaMaDnEsS
1.8% of the fleet
3.79T23,983
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 204.88T 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