White 25 vs Black 902
White plays from setup 25 (NQNBBRKR), Black from setup 902 (RKBQRBNN). Rank 4 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 9, depth 66.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 25, Black by position No. 902, mirrored on their own side; the pawns stand as usual.
Black · No. 902
White · No. 25
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | +3 |
| S1 | 0 |
| S2 | -16 |
| S3 | 0 |
| S4 | 0 |
| S5 | 0 |
| S6 | 0 |
| S7 | 0 |
| S8 | 0 |
| S9 | 0 |
Engine's main line: c2c4 h8g6 h2h4 e7e5 h4h5 g6f4 e2e3 f4g2
FEN (Shredder, castling rights by rook files): rkbqrbnn/pppppppp/8/8/8/8/PPPPPPPP/NQNBBRKR w FHae - 0 1
Mirror twin: White 937 vs Black 54 — a different position (castling squares are fixed), not evaluated by the search.