White 90 vs Black 125
White plays from setup 90 (NNRKBBRQ), Black from setup 125 (NQRBNKBR). Rank 396 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 51.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 90, Black by position No. 125, mirrored on their own side; the pawns stand as usual.
Black · No. 125
White · No. 90
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -42 |
| S1 | 0 |
| S2 | 0 |
| S3 | +11 |
| S4 | 0 |
| S5 | -11 |
| S6 | -8 |
| S7 | +6 |
| S8 | 0 |
Engine's main line: d2d4 c7c5 d4c5 c8c5 d1c1 c5c8 e2e4 f7f6
FEN (Shredder, castling rights by rook files): nqrbnkbr/pppppppp/8/8/8/8/PPPPPPPP/NNRKBBRQ w CGch - 0 1
Mirror twin: White 869 vs Black 840 — a different position (castling squares are fixed), not evaluated by the search.