White 73 vs Black 502
White plays from setup 73 (NNRBBKQR), Black from setup 502 (RQBNKBNR). Rank 317 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. 73, Black by position No. 502, mirrored on their own side; the pawns stand as usual.
Black · No. 502
White · No. 73
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | +32 |
| S1 | -2 |
| S2 | 0 |
| S3 | -8 |
| S4 | -14 |
| S5 | -12 |
| S6 | -9 |
| S7 | +4 |
| S8 | 0 |
Engine's main line: c2c4 e7e5 f2f3 d8e6 b1c3 a7a6 e2e3 b7b5
FEN (Shredder, castling rights by rook files): rqbnkbnr/pppppppp/8/8/8/8/PPPPPPPP/NNRBBKQR w CHah - 0 1
Mirror twin: White 889 vs Black 550 — a different position (castling squares are fixed), not evaluated by the search.