White 86 vs Black 509
White plays from setup 86 (NNBRKBRQ), Black from setup 509 (RQNBKNBR). Rank 370 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. 86, Black by position No. 509, mirrored on their own side; the pawns stand as usual.
Black · No. 509
White · No. 86
Moves as usual: White starts; everything else follows the Chess960 rules.
Evaluation by stage
| Stage | Eval, cp |
|---|---|
| S0 | -45 |
| S1 | -5 |
| S2 | +6 |
| S3 | +15 |
| S4 | +11 |
| S5 | 0 |
| S6 | 0 |
| S7 | 0 |
| S8 | 0 |
Engine's main line: d2d4 c7c6 b1c3 f7f6 g2g3 c8d6 a1b3 a7a5
FEN (Shredder, castling rights by rook files): rqnbknbr/pppppppp/8/8/8/8/PPPPPPPP/NNBRKBRQ w DGah - 0 1
Mirror twin: White 870 vs Black 552 — a different position (castling squares are fixed), not evaluated by the search.