White 51 vs Black 402
White plays from setup 51 (BNNRQKRB), Black from setup 402 (BRQNNBKR). Rank 225 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 57.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 51, Black by position No. 402, mirrored on their own side; the pawns stand as usual.
Black · No. 402
White · No. 51
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -41 |
| S1 | -4 |
| S2 | +2 |
| S3 | +4 |
| S4 | +3 |
| S5 | +3 |
| S6 | +3 |
| S7 | +12 |
| S8 | 0 |
Engine's main line: d2d4 b7b5 c1d3 h7h5 b2b3 d7d6 e2e4 c7c5
FEN (Shredder, castling rights by rook files): brqnnbkr/pppppppp/8/8/8/8/PPPPPPPP/BNNRQKRB w DGbh - 0 1
Mirror twin: White 899 vs Black 743 — a different position (castling squares are fixed), not evaluated by the search.