White 87 vs Black 509
White plays from setup 87 (NNBRKRQB), Black from setup 509 (RQNBKNBR). Rank 376 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 62.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 87, Black by position No. 509, mirrored on their own side; the pawns stand as usual.
Black · No. 509
White · No. 87
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -17 |
| S1 | +1 |
| S2 | +2 |
| S3 | +4 |
| S4 | +6 |
| S5 | 0 |
| S6 | 0 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: c2c4 f7f6 b2b3 a7a5 a2a4 d7d5 c4d5 g8d5
FEN (Shredder, castling rights by rook files): rqnbknbr/pppppppp/8/8/8/8/PPPPPPPP/NNBRKRQB w DFah - 0 1
Mirror twin: White 866 vs Black 552 — a different position (castling squares are fixed), not evaluated by the search.