White 61 vs Black 642
White plays from setup 61 (NNRBQKBR), Black from setup 642 (BRNKRBQN). Rank 267 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 50.
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. 642, mirrored on their own side; the pawns stand as usual.
Black · No. 642
White · No. 61
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -19 |
| S1 | -6 |
| S2 | +3 |
| S3 | +9 |
| S4 | +4 |
| S5 | 0 |
| S6 | 0 |
| S7 | +1 |
| S8 | 0 |
Engine's main line: f2f3 b7b6 c2c4 e7e5 b1c3 h8g6 d2d3 f7f5
FEN (Shredder, castling rights by rook files): brnkrbqn/pppppppp/8/8/8/8/PPPPPPPP/NNRBQKBR w CHbe - 0 1
Mirror twin: White 904 vs Black 215 — a different position (castling squares are fixed), not evaluated by the search.