Iuri Akobia (with R.Becker)
3rd spec.prize, Corus Endgame Study Ty, 2008

Win

1.Ra3! [1.Rd1? Rh2 2.Rg8 Rh1+ 3.Rg1 Rh2 =] 1...Rb2 Main B) [Main A) 1...Kf5 2.Ra4 (Ke1) 2...Rb2 3.Ke1 (Ra4) 3...Ke5 (3...f6 4.Rf1+ Ke5 5.Kd1 f5 6.Re1+ Kd5 7.Kc1 Rb1+ 8.Kd2 +-) 4.Rf1 f5 5.Kd1 f4 6.Re1+ Kf5 7.Kc1 ( Systematic movements by wK and wR ) 7...Rb1+ 8.Kd2 Rb2+ 9.Kd3 Rb1 10.Ke2 Rb2+ 11.Kf3 +-; 1...Kd6 2.Ra6+ Kc7 (2...Ke5 3.Rh1 (Ra8) +-) 3.Ke1 Rb2 4.Rf1 f5 5.Rg1! (Switchback) 5...Kb7 6.Ra3 (Ra4) 6...Kb6 7.Rg6+ +-] 2.Rh1! f6 3.Kg1!! (Clearing f1 for the rook) [Thematic try 3.Ra6+? Ke5 4.Rh5+ f5 5.Ra5+ Ke4 6.Rh4+ f4 7.Ra4+ Kd3 8.Rh3+ Kc2 9.Rha3 Kb1 10.Rxf4 a1Q =] 3...Kd6 4.Ra6+ Ke5 5.Rh5+ f5 6.Ra5+ Ke4 7.Rh4+ f4 8.Ra4+ Kd3 [main 8...Ke3 9.Rh3+ f3 10.Ra3+ (Completes the systematic movement of both wR's and bK+bP) 10...Ke4 11.Rh4++- ] 9.Rh3+ Kc2 10.Rha3 Kb1 11.Rxf4 a1Q 12.Rf1++-