White 123 vs Black 512
White plays from setup 123 (NQRNBKRB), Black from setup 512 (BBRNQKNR). Rank 492 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 54.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 123, Black by position No. 512, mirrored on their own side; the pawns stand as usual.
Black · No. 512
White · No. 123
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -19 |
| S1 | -1 |
| S2 | -20 |
| S3 | -2 |
| S4 | -6 |
| S5 | -6 |
| S6 | 0 |
| S7 | +1 |
| S8 | 0 |
Engine's main line: g2g3 e7e5 c2c4 g8e7 b2b4 f7f5 a1b3 f8h8
FEN (Shredder, castling rights by rook files): bbrnqknr/pppppppp/8/8/8/8/PPPPPPPP/NQRNBKRB w CGch - 0 1
Mirror twin: White 833 vs Black 543 — a different position (castling squares are fixed), not evaluated by the search.