110.3M
positions
23.5M
practically solved
412.75T
engine nodes
3.1M
analyses
5,965
in queue
active workers
124
active cores
135.4M
nodes / sec
57.1
positions / min
118
proof number
4,004
disproof number
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Root conquest: 0/20 first moves solved · 21.3% of tree positions solved · last 24h: 710,188 closures, 12.39T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 196 open obligations, of which 35 (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 1.6m (median of 37) · measured at 2026-11-03 18:00 UTC
Closures by source, last 24h (710187 of 710187 labelled): USER 100.0% (710067) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (120) · last 7d (1970619 of 1970620): USER 99.4% (1958685) · FILL 0.4% (8572) · AUTO 0.1% (2714) · 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
- … Nd7 a5 bxa5 b5 f4 exf4 (User) · 128.0M nodes · bluebird
- 1. e4 d6 2. Nh3 f5 … a5 11. Nc7 Nc6 12. a3 Kg7 (User) · 512.0M nodes · BManBJ-Blake-atomicdb#0
- 1. e4 d6 2. Nh3 f5 … a5 11. Nc7 Nc6 12. a3 Kg8 (User) · 512.0M nodes · BManBJ-Blake-atomicdb#1
- 1. e4 d6 2. Nh3 f5 … a5 11. Nc7 Nc6 12. a3 Na7 (User) · 512.0M nodes · BManBJ-Blake-atomicdb#2
- 1. e4 d6 2. Nh3 f5 … a5 11. Nc7 Nc6 12. a3 Nd8 (User) · 512.0M nodes · BManBJ-Laptop-Blake-atomicdb
Explore
Keyboard move list
First moves
| move | state | eval | visits | |
|---|---|---|---|---|
| Nf3 | unsolved | 1261 | 2 | |
| Nh3 | unsolved | 725 | 2 | |
| d4 | unsolved | 443 | 2 | |
| e3 | unsolved | 437 | 3 | |
| e4 | unsolved | 400 | 2 | |
| Nc3 | unsolved | 168 | 2 | |
| Na3 | unsolved | 0 | 3 | |
| c3 | unsolved | 0 | 2 | |
| g3 | unsolved | 0 | 3 | |
| b4 | unsolved | -59 | 3 | |
| h3 | unsolved | -97 | 3 | |
| d3 | unsolved | -98 | 2 | |
| a3 | unsolved | -100 | 2 | |
| f3 | unsolved | -117 | 3 | |
| b3 | unsolved | -144 | 1 | |
| f4 | unsolved | -260 | 3 | |
| h4 | unsolved | -500 | 3 | |
| a4 | unsolved | -514 | 2 | |
| g4 | unsolved | -604 | 3 | |
| c4 | unsolved | -700 | 3 |
Contributors by engine nodes
Proposed campaigns
- Should be easiest proof for nf3 e51. Nf3 e5 2. e4proposed by quasa · 18 votes
- Pls nh4 is more solvable than c31. Nf3 f6 2. e4 e6 3. Nc3 c6 4. Nb5 cxb5 5. Bb5 Nc6 6. d4 g6 7. Nh4proposed by 67king · 6 votes
- Is Nh3 h6 e3 e6 Nc3 a draw?1. Nh3 e6 2. e3 h6 3. Nc3proposed by soothdest · 5 votes
- The weaker of the two f-pawn advances for 1. ...d61. Nf3 d6 2. Ng5 f5 3. Nf7 Qd7 4. e4proposed by MoNiKaMaDnEsS · 4 votes
- Refuting 1... d61. Nf3 d6 2. Nc3proposed by randomchampgamer · 3 votes
- Let's solve Qc8 in 2N Nh6 mainline and/or use it as a benchmark1. Nf3 f6 2. e4 e6 3. d4 c6 4. Nc3 Nh6 5. g4 Bb4 6. e5 fxe5 7. Ng5 d5 8. h4 e5 9. Qe2 Nxg4 10. f3 Bg4 11. Bh3 Qc8 12. Bh6proposed by soothdest · 3 votes
Milestones the latest solved positions