White 86 vs Black 731
White plays from setup 86 (NNBRKBRQ), Black from setup 731 (RKNQBNRB). Rank 371 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. 86, Black by position No. 731, mirrored on their own side; the pawns stand as usual.
Black · No. 731
White · No. 86
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | +3 |
| S1 | +5 |
| S2 | +17 |
| S3 | +20 |
| S4 | +15 |
| S5 | 0 |
| S6 | 0 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: g2g3 g7g5 d2d4 f7f5 c2c4 e8f7 b1a3 e7e5
FEN (Shredder, castling rights by rook files): rknqbnrb/pppppppp/8/8/8/8/PPPPPPPP/NNBRKBRQ w DGag - 0 1
Mirror twin: White 870 vs Black 417 — a different position (castling squares are fixed), not evaluated by the search.