White 4 vs Black 193
White plays from setup 4 (QBBNNRKR), Black from setup 193 (BQNBRKNR). Rank 77 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. 4, Black by position No. 193, mirrored on their own side; the pawns stand as usual.
Black · No. 193
White · No. 4
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -43 |
| S1 | -4 |
| S2 | -2 |
| S3 | +4 |
| S4 | +15 |
| S5 | +6 |
| S6 | +1 |
| S7 | +9 |
| S8 | 0 |
Engine's main line: d2d4 e7e6 c2c4 b7b6 b2b4 f7f5 e1d3 g8f6
FEN (Shredder, castling rights by rook files): bqnbrknr/pppppppp/8/8/8/8/PPPPPPPP/QBBNNRKR w FHeh - 0 1
Mirror twin: White 958 vs Black 667 — a different position (castling squares are fixed), not evaluated by the search.