White 67 vs Black 939
White plays from setup 67 (BNNRKQRB), Black from setup 939 (RKRNBQNB). Rank 299 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 54.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 67, Black by position No. 939, mirrored on their own side; the pawns stand as usual.
Black · No. 939
White · No. 67
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -10 |
| S1 | 0 |
| S2 | 0 |
| S3 | +12 |
| S4 | +10 |
| S5 | +11 |
| S6 | +11 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: b2b3 f7f5 g2g4 f5g4 h2h3 g4h3 f1h3 h7h5
FEN (Shredder, castling rights by rook files): rkrnbqnb/pppppppp/8/8/8/8/PPPPPPPP/BNNRKQRB w DGac - 0 1
Mirror twin: White 883 vs Black 17 — a different position (castling squares are fixed), not evaluated by the search.