Nº27 Eduard Eilazyan

Win

Section B.1.

Eduard Eilazyan (Ukraine)

wKg4,Bc7,Nh7,Pd4,e6,g5/bKe7,Bg1,Na4,Nb3

1.d5 and the solution branches into two variants.

A) 1…Nd4 2.g6 Nxe6 3.dxe6
3.Be5 Nac5=.

3…Kxe6 4.Ng5+!
Thematic try-1: 4.Be5? Nb6! 5.Ng5+ Kxe5 6.g7 Nd5! 7.Nh7 Ne7=;
4.Bd8? Bd4! 5.Ng5+ Kd7!=.

4…Kf6 5.Kh5 Kg7 6.Be5+ Kg8 7.Ne4(h7) Nc5 8.Nf6+ Kf8 9.Kh6
9.Nh7+ Kg8 10.Nf6+ Kf8 Waste of time.]

9…Ne6 10.Bd6# Model mirror mate.

B) 1…Nac5 2.g6 Nxe6 3.dxe6 Kxe6 4.Be5! Try change.
Thematic try-2: 4.Ng5+? Kf6! 5.Kh5 Kg7! (5…Be3? 6.Be5+ Kxe5 7.g7+-; 5…Bd4? 6.Kh6! Ke7 7.Kh7!+-)
6.Be5+ Kg8! 7.Ne4 Bd4! (7…Nd4? 8.Nf6++-) 8.Bxd4 Nxd4=.

4…Be3
4…Ke7 5.Nf6 Kf8 6.Kh5! Nd4 7.Kh6! Nf5+ 8.Kh7! …+-

5.Bh8!
5.Ng5+? Bxg5! 6.Kxg5 Na5! 7.Kh6 Nc6 8.g7 Ne7 9.Bc3 Nf5+=;
5.Nf8+? Ke7! 6.Bd6+ Kf6 7.Be5+ Ke7 8.g7 Kf7=;
5.Nf6? Bh6!=.

5…Bd4
5…Bh6 6.Kh5+-;
5…Nc5 6.g7 Kf7 7.Nf6+-.

6.Ng5+! Ke7 7.Bxd4 Nxd4 8.g7 Nf5?!
The last trap! 9.g8Q? Nh6+=.

9.Kxf5!+-.

Theme: Change of Try.