White 89 vs Black 90
White plays from setup 89 (NNRBBKRQ), Black from setup 90 (NNRKBBRQ). Rank 389 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 55.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 89, Black by position No. 90, mirrored on their own side; the pawns stand as usual.
Black · No. 90
White · No. 89
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -46 |
| S1 | -2 |
| S2 | -4 |
| S3 | -8 |
| S4 | -8 |
| S5 | -8 |
| S6 | -7 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: c2c4 g7g5 a1b3 b8c6 e2e3 e7e5 g2g4 d8c8
FEN (Shredder, castling rights by rook files): nnrkbbrq/pppppppp/8/8/8/8/PPPPPPPP/NNRBBKRQ w CGcg - 0 1
Mirror twin: White 873 vs Black 869 — a different position (castling squares are fixed), not evaluated by the search.