White 31 vs Black 56
White plays from setup 31 (NQNRKRBB), Black from setup 56 (NBNRBQKR). Rank 168 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 53.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 31, Black by position No. 56, mirrored on their own side; the pawns stand as usual.
Black · No. 56
White · No. 31
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | +4 |
| S1 | -5 |
| S2 | -11 |
| S3 | -24 |
| S4 | -11 |
| S5 | -8 |
| S6 | -8 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: f2f4 c7c6 g2g3 d7d5 c2c4 f7f6 a1b3 e7e6
FEN (Shredder, castling rights by rook files): nbnrbqkr/pppppppp/8/8/8/8/PPPPPPPP/NQNRKRBB w DFdh - 0 1
Mirror twin: White 928 vs Black 909 — a different position (castling squares are fixed), not evaluated by the search.