AtomicDB

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59.4M
positions
10.0M
practically solved
213.87T
engine nodes
1.7M
analyses
6,743
in queue
13
active workers
89
active cores
20.5M
nodes / sec
30.4
positions / min
131
proof number
3,777
disproof number
Root conquest: 0/20 first moves solved · 16.8% of tree positions solved · last 24h: 517,293 closures, 5.63T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 79 over 169 open obligations, of which 28 (16.6%) 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 15.7m (median of 129) · measured at 2026-09-20 06:00 UTC
Closures by source, last 24h (517221 of 517221 labelled): USER 99.9% (516791) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.1% (430) · last 7d (2291441 of 2291513): USER 99.0% (2267689) · FILL 0.1% (2961) · AUTO 0.7% (17033) · SOLVE 0.0% (0) · NONE 0.2% (3758). 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
g1f3unsolved10542
g1h3unsolved7172
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
1BManBJ
27.4% of the fleet
1.54T11,370
2auranvesdranor
22.2% of the fleet
1.25T9,593
3JackIV
18.0% of the fleet
1.01T4,619
4tenzink
10.7% of the fleet
604.40B4,189
5randomchampgamer
9.2% of the fleet
517.20B4,187
6Torom
9.1% of the fleet
513.93B3,545
7MoNiKaMaDnEsS
1.7% of the fleet
94.71B697
8quasa
1.5% of the fleet
85.95B643
9soothdest
0.2% of the fleet
10.29B79
10NeoArcturus
<0.1% of the fleet
640.0M5

10 accounts · 5.63T nodes searched by the whole fleet.

All time

ContributorNodesAnalyses
1NitroColoraze
37.2% of the fleet
79.65T677,611
2tenzink
16.3% of the fleet
34.86T295,243
3auranvesdranor
11.4% of the fleet
24.34T175,400
4BManBJ
11.2% of the fleet
23.94T163,428
5JackIV
4.5% of the fleet
9.61T64,821
6randomchampgamer
3.8% of the fleet
8.06T58,091
7RickEdinson
3.0% of the fleet
6.32T41,667
8NeoArcturus
1.9% of the fleet
4.09T16,756
9MoNiKaMaDnEsS
1.8% of the fleet
3.93T25,073
10ijh
1.7% of the fleet
3.57T37,348

and 22 more.

32 accounts · 214.04T 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