110.2M
positions
23.4M
practically solved
412.26T
engine nodes
3.1M
analyses
5,911
in queue
active workers
124
active cores
140.6M
nodes / sec
58.4
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: 716,876 closures, 12.40T nodes searched
Proof health & closures by source
Proof health · median disproof number on the AND frontier: 69 over 195 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 16.3m (median of 11) · measured at 2026-11-03 17:00 UTC
Closures by source, last 24h (716828 of 716829 labelled): USER 100.0% (716682) · FILL 0.0% (0) · AUTO 0.0% (0) · SOLVE 0.0% (0) · NONE 0.0% (146) · last 7d (1959122 of 1959169): USER 99.4% (1947187) · FILL 0.4% (8572) · AUTO 0.1% (2714) · SOLVE 0.0% (0) · NONE 0.0% (649). Labelling started at deploy: closures older than that carry no source and are counted in none of the shares above.
Now analyzing all workers
- 1. Nf3 d6 2. Ng5 f5 … axb4 14. a5 d5 15. Bh6 g5 (User) · 128.0M nodes · BManBJ-Blake-atomicdb#0
- 1. Nf3 d6 2. Ng5 f5 … axb4 14. a5 d5 15. Bh6 e5 (User) · 128.0M nodes · BManBJ-Blake-atomicdb#2
- 1. Nf3 d6 2. Ng5 f5 … axb4 14. a5 d5 15. Bh6 dxc4 (User) · 128.0M nodes · BManBJ-Laptop-Blake-atomicdb
- … Kd1 fxe3 Bf4 e5 Bh3 Kh8 Bh6 gxh6 Rf1 Rf3 (User) · 128.0M nodes · cloudlet
- … Kd1 fxe3 Bf4 e5 Bh3 Kh8 Bh6 (User) · 128.0M nodes · lavender
Explore
Keyboard move list
First moves
| move | state | eval | visits | |
|---|---|---|---|---|
| Nf3 | unsolved | 1215 | 2 | |
| Nh3 | unsolved | 725 | 2 | |
| d4 | unsolved | 443 | 2 | |
| e3 | unsolved | 437 | 3 | |
| e4 | unsolved | 400 | 2 | |
| Nc3 | unsolved | 215 | 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