White 9 vs Black 40
White plays from setup 9 (QNNBBRKR), Black from setup 40 (NBNQBRKR). Rank 97 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 60.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 9, Black by position No. 40, mirrored on their own side; the pawns stand as usual.
Black · No. 40
White · No. 9
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -12 |
| S1 | -3 |
| S2 | +13 |
| S3 | +11 |
| S4 | +6 |
| S5 | -3 |
| S6 | +8 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: h2h4 h7h5 c2c4 c7c6 d2d4 d7d5 b2b3 c8d6
FEN (Shredder, castling rights by rook files): nbnqbrkr/pppppppp/8/8/8/8/PPPPPPPP/QNNBBRKR w FHfh - 0 1
Mirror twin: White 953 vs Black 925 — a different position (castling squares are fixed), not evaluated by the search.