White 61 vs Black 620
White plays from setup 61 (NNRBQKBR), Black from setup 620 (RBNQKRBN). Rank 15 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 9, depth 58.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 61, Black by position No. 620, mirrored on their own side; the pawns stand as usual.
Black · No. 620
White · No. 61
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | +3 |
| S1 | 0 |
| S2 | -13 |
| S3 | -15 |
| S4 | -16 |
| S5 | 0 |
| S6 | 0 |
| S7 | 0 |
| S8 | 0 |
| S9 | 0 |
Engine's main line: a1b3 c7c6 d2d4 f7f5 c2c4 e7e5 f2f3 h8g6
FEN (Shredder, castling rights by rook files): rbnqkrbn/pppppppp/8/8/8/8/PPPPPPPP/NNRBQKBR w CHaf - 0 1
Mirror twin: White 904 vs Black 252 — a different position (castling squares are fixed), not evaluated by the search.