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Problem 42535

 

LUKJANOV, Valentin

Šachmaty v SSSR 1978 (1527)
#2 h8, g4, h2, d1: Nightrider
 
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Solution: 1...Be4[a] 2.Ke6#[B] 1...Bd5[b] 2.Kf5#[C] 1...Ng6[c] 2.Kxg6#[E] 1...Nf7[d] 2.Kxf7#[F] 1...Bh3/Bf1/Bf3 2.Nf3#[A] 1...Ne3/Nf2/Nc3/Nb2 2.Bxe3#[D] 1.Qxh8? (2.Kf7#[F]/Kg6#[E]) 1...Be4[a] 2.Kf7#[F]/Ke6#[B] 1...Bd5[b] 2.Kf5#[C]/Kg6#[E] but 1...Re1! 1.Nf2[G]? (2.Ke6#[B]) 1...Be4[a] 2.Rxe4#[H] 1...Bd5[b] 2.Be5#[I] 1...Ng6[c] 2.Kxg6#[E] 1...Nf7[d] 2.Kxf7#[F] 1...Nxf2 2.Be3#[D] 1...Bh3/Bf1 2.Re4#[H]/Nf3#[A] 1...Bf3 2.Nxf3#[A] but 1...Re1! 1.Re6[J]? (2.Ke7#[K]) 1...Ng6[c] 2.Kxg6#[E] 1...Nf7[d] 2.Kxf7#[F] but 1...Re1! 1.Re3[L]? (2.Ke6#[B]/Ke7#[K]) 1...Bd5[b] 2.Kf5#[C]/Ke7#[K]/Be5#[I] 1...Ng6[c] 2.Kxg6#[E] 1...Nf7[d] 2.Kxf7#[F] but 1...Nxe3! 1.Rc5[M]? (2.Kf5#[C]) 1...Be4[a] 2.Ke6#[B]/Be5#[I] 1...Ng6[c] 2.Kxg6#[E] 1...Nf7[d] 2.Kxf7#[F] 1...Ne3 2.dxe3#/Bxe3#[D] but 1...Re1! 3 tries skipped
1.Qg5?? (2.Qe5#/Qc5#) 1...Bd5[b] 2.Qe5# 1...Re1/Ng6[c]/Nf7[d] 2.Qc5# but 1...hxg5! 1.Re4+[H]?? 1...Bxe4[a] 2.Ke6#[B]/Ke7#[K] but 1...Kxe4+! 1.Rd5+?? 1...Bxd5[b]/cxd5 2.Kf5#[C] but 1...Kxd5+!
1.Ne3[N]! (2.Kf5#[C]) 1...Be4[a] 2.Be5#[I] 1...Bd5[b] 2.Nf5#[O] 1...Ng6[c] 2.Kxg6#[E] 1...Nf7[d] 2.Kxf7#[F] 1...Nxe3 2.Bxe3#[D] 1...Bh3/Bf1/Bf3 2.Nf3#[A]

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Yet another chess problem database + wiki