White 45 vs Black 42
White plays from setup 45 (NNQBRKBR), Black from setup 42 (NNQRBBKR). Rank 201 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. 45, Black by position No. 42, mirrored on their own side; the pawns stand as usual.
Black · No. 42
White · No. 45
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -4 |
| S1 | +2 |
| S2 | +28 |
| S3 | +17 |
| S4 | +14 |
| S5 | +3 |
| S6 | -16 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: f2f4 d7d5 a1b3 b7b6 g1f2 c7c5 f1h1 e7e6
FEN (Shredder, castling rights by rook files): nnqrbbkr/pppppppp/8/8/8/8/PPPPPPPP/NNQBRKBR w EHdh - 0 1
Mirror twin: White 920 vs Black 917 — a different position (castling squares are fixed), not evaluated by the search.