Peter Krug & Mario Garcia (Austria-Argentina)
 
BTM,Win 7+5

Theme: Elimination of the threat of stalemate, in the black counterplay

 

1...Bd5+ main : 1...Qb3+ 2.Ke8 Bd5 (2...Qb8+ 3.Kd7 Qa7+ 4.Ke6 Bd5+ 5.Kxd5!+-) 3.Qf2! (3.a7? Qa4+=; 3.Nxd5? Qb5+ 4.Qxb5= stalemate) 3...Qb5+ 4.Kd8 Qa5+ 5.Kd7 Qb5+ 6.Kc7 Qe8 7.Nc8! Be6 8.Na7! Qd7+ 9.Kb6 Qd8+ 10.Kb5 Bd7 (10..Qg5+11.e5+-) 11.Nc6!+-   2.Nxd5! 2.Kf8? Qa5! (2...Qb3? 3.Qg4! Be6 4.a7 Bxg4 5.a8Q+-) 3.Nxd5 Qd8+ leads to stalemate   2...Qxa6 2...Qf3+ 3.Nf4!!+-   3.Qg4!! 3.Qxa6?= stalemate 3.Qb2? Qb7+ 4.Qxb7= stalemate 3.Qf2? Qa7+ 4.Qxa7= stalemate 3.Qf3? Qa7+ 4.Ne7 Qa2+ 5.Ke8 Qa4+ 6.Kd8 Qa5+ 7.Kd7 Qb5+ 8.Ke6 Qd5+ 9.Kd7 Qb5+ 10.Nc6 Qb7+ 11.Ke6 Qc8+ 12.Kd5 Qf5+ 13.exf5=  stalemate   3...Qc4 3...Qb7+ 4.Ne7+-   4.Qd7! 4.Qf5? Qxd5+ 5.Qe6 Qb7+ 6.Qe7 .Qb3+ (1) 7.Ke8 Qb5+ 8. Kf8 Qb8+ 9.Qe8 Qc7=   4...Qxd5+! 4...Qf1+ 5.Nf4!! Qxf4+ 6.Qf5 Qc1 7.Ke7! (7.Ke6? Qc8+!=) 7...Qc7+ 8.Qd7 Qxd7+ 9.Kxd7 d5 10.e5+-   5.Kf8! 5.exd5= stalemate 5.Qe6? Qb7+ 6.Qe7 Qb3+!= similar to position (1)  
5...Qa8+ 6.Qe8 Qb7 7.Qd8! d5 7...Qa7 8.Qc8! d5 9.e5 d4 10.e6 d3 11.e7 Qf2+ 12.Ke8+-    8.e5 d4 9.e6 d3 10.e7 Qf3+ 11.Ke8 Qf5 11...d2 12.Kd7+-   12.Qb8! 12.Qd7? Qe5! 13.Kd8 Qb8+ 14.Qc8 Qd6+ 15.Ke8 Qd5! 16.Kf8 Qf3+ 17.Ke8 Qd5! 18.Qd7 Qe5!= 12.Qa8? d2!=   12...d2 12...Qd5 13.Qf4! Qc6+ 14.Kd8/f7+-   13.Kd8! Qxg6 14.e8Q+! 14.e8R+? Kxh7 15.Qh2+ Qh6 = 14.Kd7+? Kxh7 15.Qh2+ Qh6 =   14...Qxe8+ 15.Kxe8 d1Q 16.Kf7+ Kxh7 17.Qh2+ Qh5+ 18.Qxh5#