Iuri Akobia
1.comm R.Reti MT, 2009

Win


1.axb7
[1.a7!? Ra6+ 2.Kb3 Rxa7 3.g7 Ra8 4.Rg2 a2 (Rg8)=] 1...a2 [1...Kc7 2.g7 Ra6+ 3.Kb3 Rg6 4.Re7+ Kb8 5.Re8++- ] 2.Rxa2 Kc7 [main 2...Ra6+ 3.Kb5! (3.Kb3!? Rb6+ 4.Kc4 Rxb7 5.g7 Rb8= ) 3...Rxa2 4.g7! (4.b8N+? Kc7= ; 4.b8Q? Rb2+-+ ) 4...Rg2! (4...Rb2+ 5.Kc5 Rc2+ 6.Kd4+- ) 5.Kb6! (5.Ka6? Kc7-+ ) 5...Ke6 6.Kc5! Rc2+ 7.Kb4! (7.Kb6!? Rb2+ 8.Kc5 Kf7= ) 7...Rb2+ (7...Rg2 8.Kc3 Rg3+ 9.Kd2 Rg2+ 10.Ke3 Rg3+ 11.Kf4+- ) 8.Kc3 (Ka3)+-] 3.Rg2 Rf8 4.Rb2! [Thematic try 4.Kb5!? Kxb7 5.Kc5 Kc7 6.Kd5 Kd7 7.Ke5 Ke7 and impossible 8.Rf5 as in the main line 11.Rf5! with win. 8.g7 Rg8 9.Kf5 Kf7= ] 4...Kb8 5.Rb5! (R.Reti, 'Troitzky Ty Zadatschy & Etudjy', 1929) [Thematic try 5.Rb6!? Rf1! (5...Rf2? 6.Kb3 Rg2 7.Kc3 Rg3+ 8.Kd4 Rg4+ 9.Ke5 Rg5+ 10.Kf6+- ) 6.Kb5 Rb1+ 7.Kc5 Rxb6 8.Kxb6 stalemate] 5...Rf1 6.Rg5 Rf8 7.Kb4 Kxb7 8.Kc5 Kc7 9.Kd5 Kd7 10.Ke5 Ke7 11.Rf5! wins.
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