1…Bf8 2.S×é5‡

1.Rd3? [2.Sd2‡] but 1…S×a3!

1.d5? A [2.Bb5‡]

1…S×a3 a 2.f×é5‡ B

but 1…Qb8!

1.f×é5? B [2.Sd2‡]

1…S×a3 a 2.d5‡ A changed

1…B×é5+ 2.S×é5‡ transferred

but 1…Bh6!

1.f5? C [2.Sd2‡]

1…S×a3 a 2.d×é5‡ D changed

1…Bh6 2.S×é5‡

but 1…é4!

1.d×é5! D [2.Bb5‡]

1…S×a3 a 2.f5‡ C changed

1…Sd4 2.Sd2‡

1…Sç7 2.Sb6‡

1…Qb8 2.Bd5‡

Doubled Reversal theme with Half-battery