Book: 21 / 543
| # | move | proof | disproof |
|---|---|---|---|
| 1 | Nf3 | 1 | 21 |
| 2 | Ke2 | 1 | 21 |
| 3 | h3 | 1 | 21 |
| 4 | g3 | 1 | 21 |
| 5 | Nb5 | 389 | 22 |
| 6 | Qg4 | 77 | 22 |
| 7 | Nge2 | 26 | 22 |
| 8 | Nce2 | 23 | 22 |
| 9 | Nd5 | 2 | 22 |
| 10 | g4 | 2 | 22 |
| 11 | Ne4 | 1 | 22 |
| 12 | Qf3 | 1 | 22 |
| 13 | Qh5 | 1 | 22 |
| 14 | Ba3 | 1 | 23 |
| 15 | Qe2 | 1 | 23 |
| 16 | a3 | 1 | 39 |
| 17 | d3 | 1 | 39 |
| 18 | f3 | 1 | 39 |
| 19 | e4 | 1 | 39 |
| 20 | a4 | 1 | 39 |
| 21 | f4 | 1 | 39 |
| 22 | h4 | 1 | 39 |
| 23 | Nh3 | 1 | 39 |
| 24 | Nb1 | 1 | 39 |
| 25 | Bb2 | 1 | 39 |
| 26 | Rb1 | 1 | 39 |
| 27 | Kf1 | 1 | 39 |
| 28 | b4 | 1 | 43 |
| 29 | d4 | 1 | 43 |
| 30 | Na4 | 1 | 43 |