AtomicDB

Sign in Register
109.4M
positions
23.3M
practically solved
408.60T
engine nodes
3.0M
analyses
2,783
in queue
active workers
132
active cores
143.0M
nodes / sec
65.9
positions / min
118
proof number
4,004
disproof number
Root conquest: 0/20 first moves solved · 21.3% of tree positions solved · last 24h: 698,170 closures, 12.07T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 195 open obligations, of which 36 (18.5%) 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 9.1m (median of 3) · measured at 2026-11-03 10:00 UTC
Closures by source, last 24h (698145 of 698170 labelled): USER 100.0% (697960) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (185) · last 7d (1825436 of 1825436): USER 99.1% (1809656) · FILL 0.5% (8983) · AUTO 0.3% (6149) · SOLVE 0.0% (0) · NONE 0.0% (648). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.

Now analyzing all workers

Up next

Play to explore drag a piece or click two squares

First moves from the starting position

movestateevalvisits
Nf3unsolved12612
Nh3unsolved7492
d4unsolved4432
e3unsolved4373
e4unsolved4002
Nc3unsolved1542
Na3unsolved03
c3unsolved02
g3unsolved03
b4unsolved-593
h3unsolved-973
d3unsolved-982
a3unsolved-1002
f3unsolved-1173
b3unsolved-1441
f4unsolved-2603
h4unsolved-5003
a4unsolved-5142
g4unsolved-6043
c4unsolved-7003

Best and worst values over time, and the main line

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

PlaceContributorNodesAnalyses
1Torom
44.9% of the fleet
5.42T41,364
2gannet
34.5% of the fleet
4.17T32,416
3BManBJ
13.2% of the fleet
1.59T6,746
4RickEdinson
3.9% of the fleet
466.29B3,366
5MoNiKaMaDnEsS
3.4% of the fleet
406.16B3,107
6rookgamestrategy
0.1% of the fleet
17.28B81

6 accounts · 12.07T nodes searched by the whole fleet.

All time

PlaceContributorNodesAnalyses
1NitroColoraze
22.1% of the fleet
90.30T751,082
2BManBJ
20.2% of the fleet
82.49T547,156
3Torom
14.5% of the fleet
59.40T430,588
4tenzink
10.5% of the fleet
42.83T349,427
5auranvesdranor
7.7% of the fleet
31.40T228,002
6RickEdinson
5.5% of the fleet
22.32T146,707
7randomchampgamer
4.9% of the fleet
19.85T140,897
8gannet
3.9% of the fleet
16.00T112,549
9MoNiKaMaDnEsS
3.3% of the fleet
13.28T92,187
10JackIV
2.5% of the fleet
10.06T67,859

and 26 more.

36 accounts · 408.70T 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 23 proposals · see every proposal

Milestones