White 109 vs Black 204
White plays from setup 109 (QNRBNKBR), Black from setup 204 (QBNRKNBR). Rank 445 of 10420 verified pairs; evaluation 0 cp (White's point of view) at stage 8, depth 55.
By engine checks, the start is close to equal.
How to play with different setups
White sets up the pieces by position No. 109, Black by position No. 204, mirrored on their own side; the pawns stand as usual.
Black · No. 204
White · No. 109
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | +17 |
| S1 | 0 |
| S2 | -17 |
| S3 | -4 |
| S4 | +2 |
| S5 | +6 |
| S6 | -7 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: f2f4 f7f6 c2c4 b7b6 g1f2 c8d6 b2b3 d6e4
FEN (Shredder, castling rights by rook files): qbnrknbr/pppppppp/8/8/8/8/PPPPPPPP/QNRBNKBR w CHdh - 0 1
Mirror twin: White 856 vs Black 668 — a different position (castling squares are fixed), not evaluated by the search.