Nº40 Hovhannes Petrosyan & Alexey,Gasparyan

Win

Hovhannes Petrosyan & Alexey Gasparyan (Armenia)

wKb3,Ng3,g7,Ba2,Rb7,Pd2,e6,g2/bKg8,Qh4,Nf7,g1,Bh3,Ph6

1.S3f5!
1 false track 1.S7f5?! Qd8! 2.e7! (2.Se7+?) Qd3+! (but not 2…Qd5+?! 3.Kc3 Qa5+[3…Se2+? 4.S*e2 etc.+-,for example 4…Qa5+ 5.Kb2 Q*d2+ 6.Ka1! Qe1+ 7.Rb1! Q*e2 8.Rb8+ +-] 4.Rb4!etc.+-,for example 4…Qe5+ 5.d4! Qe1+ 6.Kb3 B*f5 7.Rb8+ or 7.S*f5 +-) 3.Kb4 Q*d2+ 4.Kc5 Qc3+ 5.Bc4! Qe5+ =,for example 6.Kb6 B*g2! 7.e8Q+ Q*e8 8.B*f7+ and 8…Kf8! (but not 8…Q*f7?! 9.S*h6+ Kh7 10.R*f7+ K*h6 11.Rf2! +- t7) 9.B*e8 B*b7! draws.

1…B*f5
If 1…Qd8?! 2.ef+! (but not 2 false track 2.e7?! Qd5+![not 2…Qd3+?! 3.Kb4 Q*d2+ 4.Kc5 Qc3+{4…Qf2+ 5.Sd4 etc.+-} 5.Bc4! Qe5+ 6.Kb6 B*g2 7.B*f7+ +-] 3.Ka3[3.Kc3?? Se2+!] 3…Qa5+ 4.Kb3 Qd5+ =) 2…Kh8 3.gh wins.

2.S*f5 Qd8!
or 2…Qh2(f4) 3.e7 etc.+-. Now white can’t win after a) 3.Se7+? Kg7 =; b) 3.R*f7? Qd5 (or Qd3) etc. =; c) 3.ef? Kf8! 4.Se7 Qd3+ = and even d) 3.Rb5? Se2! 4.Kc2 Sd4+! 5.S*d4 Q*d4 6.ef+ Kg7! 7.Bd5 Qa7 etc. =.

Suddenly 3.Kc2!! Qc8+
or 3…Sf3!? 4.S*h6+ Kg7 5.R*f7+ K*h6 6.gf Qa8 7.Bc4 etc.+-; 3…Qa8 4.Bd5 (or 4.ef+ Kf8 5.Bd5 Se2 6.g3! S*g3 7.S*g3 +-) 4…Qa4+ 5.Kb2! Qf4 6.ef+ Kf8 7.Ka3! Qe5 8.Rd7 etc.+-.

4.Kd1! Q*b7
4…Qa8 5.ef (5.e7 wins too) Kf8 6.Bd5! Qa4+ 7.Ke1 etc.+-.

5.e7!! Qb5 (Qc6,d7,e4) 6.e8Q+
6.e8R+?? even loses Kh7!-+,for example 7.Re4 Q*f5 8.Bb1 Qh5+ 9.g4 Qh1 -+
or 6.B*f7+?? Kh7![thr.7…Qb1X] 7.d4 Qd3+ 8.Kc1 Se2+ -+)

6…Q*e8 7.B*f7+! K*f7 B)
7…Q*f7 8.S*h6+ and 9.S*f7 +-

8.Sd6+ Ke7 9.S*e8+ Ke8 10.Ke1! and wins : the knight is caught in the finale.
5.e7!! Qb5 (Qc6,d7,e4) 6.e8Q+
6.e8R+?? even loses Kh7!-+,for example 7.Re4 Q*f5 8.Bb1 Qh5+ 9.g4 Qh1 -+;
or 6.B*f7+?? Kh7![thr.7…Qb1X 7.d4 Qd3+ 8.Kc1 Se2+ -+

6…Q*e8 7.B*f7+! K*xf7
7…Q*f7 8.S*h6++-

8.Sd6+ Ke7 9.S*e8+ Ke8 10.Ke1! and wins : the knight is caught in the finale.