White 21 vs Black 844
White plays from setup 21 (NQBBNRKR), Black from setup 844 (RBKNRQBN). Rank 136 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. 21, Black by position No. 844, mirrored on their own side; the pawns stand as usual.
Black · No. 844
White · No. 21
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -7 |
| S1 | +1 |
| S2 | -30 |
| S3 | -31 |
| S4 | -16 |
| S5 | -13 |
| S6 | -29 |
| S7 | -8 |
| S8 | 0 |
Engine's main line: f2f4 c7c5 e2e3 e7e5 f4e5 b8e5 a1b3 d8c6
FEN (Shredder, castling rights by rook files): rbknrqbn/pppppppp/8/8/8/8/PPPPPPPP/NQBBNRKR w FHae - 0 1
Mirror twin: White 938 vs Black 124 — a different position (castling squares are fixed), not evaluated by the search.