White 123 vs Black 99
White plays from setup 123 (NQRNBKRB), Black from setup 99 (BQNRNKRB). Rank 489 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 56.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 123, Black by position No. 99, mirrored on their own side; the pawns stand as usual.
Black · No. 99
White · No. 123
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -9 |
| S1 | +3 |
| S2 | +18 |
| S3 | +4 |
| S4 | +9 |
| S5 | +10 |
| S6 | -6 |
| S7 | -5 |
| S8 | 0 |
Engine's main line: c2c4 g7g6 g2g3 b7b6 h1a8 b8a8 b2b4 e7e5
FEN (Shredder, castling rights by rook files): bqnrnkrb/pppppppp/8/8/8/8/PPPPPPPP/NQRNBKRB w CGdg - 0 1
Mirror twin: White 833 vs Black 851 — a different position (castling squares are fixed), not evaluated by the search.