www.arves.org - FIDE 2nd World Cup 2011

Studies awarded for the FIDE 2nd World Cup 2011.

[Event "1st Prize, 2World Cup"] [Site ""] [Date "2011.05.11"] [Round ""] [White "Becker=R"] [Black ""] [Result "*"] [SetUp "1"] [FEN "8/p1R4p/6p1/5p1P/r4p2/3KP3/8/1k6 w - - 0 0"] [PlyCount "29"] 
 1. Rb7+ $1 ({Thematic try} 1. exf4 $2 a5 $1 (1... a6 $2 2. Rb7+ $11) 2. Rxh7 ( 2. h6 Rxf4 3. Rxh7 Rh4 $19) 2... gxh5 3. Rxh5 Rxf4 4. Ke3 Re4+ (4... Rf1 5. Ke2 Rf4 6. Ke3 {loss of time}) 5. Kd3 Re5 6. Kd4 Rb5 7. Kc4 Rb4+ 8. Kc3 Rf4 $19) ( 1. Rxh7 $2 gxh5 2. Rb7+ Kc1 3. exf4 h4 $19) 1... Kc1 $1 (1... Ka2 2. Rxh7 gxh5 3. Rxh5 Ra5 (3... Ra3+ 4. Kc2 $1 $11) 4. exf4 $11) 2. exf4 (2. Rc7+ $2 Kd1 3. exf4 Rxf4 $19) 2... gxh5 3. Rxh7 (3. Rf7 $2 Ra3+ 4. Ke2 Ra5 5. Rxh7 h4 6. Rxh4 Rd5 $19) 3... a6 $1 (3... a5 4. Rxh5 Rxf4 5. Ke3 {main}) (3... Rxf4 4. Rxa7 $11 ) 4. Rh6 $1 (4. Rc7+ $2 Kd1 5. Ke3 Rb4 6. Ra7 (6. Rc5 Rb5 $19) (6. Rh7 Rb3+ 7. Kd4 Ke2 8. Rxh5 Rb4+ 9. Ke5 Rb5+ 10. Ke6 a5 11. Rh3 a4 12. Ra3 Ra5 $19) 6... Rb6 7. Rh7 Rb3+ 8. Kd4 Ke2 9. Rxh5 Rb4+ 10. Ke5 Rb5+ 11. Kf6 a5 $19) (4. Ke3 $2 h4 5. Rh5 (5. Rxh4 Re4+ 6. Kf3 Rd4 7. Ke3 Rd5 $19) 5... Ra3+ 6. Ke2 Ra5 7. Rxh4 Rd5 $19) (4. Rxh5 $2 Rxf4 5. Ke3 Re4+ 6. Kd3 Re5 7. Kd4 Rb5 $19) 4... h4 (4... Rxf4 5. Rxa6 h4) 5. Rxh4 a5 6. Rh5 $1 (6. Kc3 $2 Kd1 7. Kd3 Ke1 8. Ke3 Re4+ $19 ) 6... Rxf4 7. Ke3 Rf1 8. Ke2 Rf4 9. Ke3 {positional draw, or} Re4+ 10. Kd3 Re5 11. Kd4 Rb5 12. Kc4 (12. Kc3 $2 Kd1 13. Kc4 Rb4+ 14. Kd3 Rb3+ 15. Kc4 Rf3 $19) 12... Re5 13. Kd4 Rb5 14. Kc4 {positional draw, or} Rb4+ 15. Kc3 $11 { and impossible 15...Rf4 as in the thematic try, because 16.Rh1+-} *

[Event "2nd  Prize, 2World Cup"] [Site ""] [Date "2011.05.12"] [Round ""] [White "Eilazyan=E"] [Black ""] [Result "*"] [SetUp "1"] [FEN "1N6/n2pr3/3K3R/1PP3b1/7p/2N1P3/5k2/8 w - - 0 0"] [PlyCount "25"] 
 1. Rh5 (1. Rh8 $2 Rxe3 2. Nd1+ Kg3 3. Nxe3 Nxb5+ 4. Kxd7 Bxe3 5. c6 h3 $11) (1. Rg6 $2 Rxe3 2. Nd1+ Kf3 3. Nxe3 Nxb5+ 4. Kd5 Bxe3 $11) 1... Rxe3 2. Nd1+ Kg3 $1 (2... Kf3 3. Nxe3 Bxe3 4. b6 Nb5+ 5. Kxd7 $18) 3. Rxg5+ (3. Nxe3 $2 Nxb5+ 4. Kxd7 Bxe3 5. c6 Na7 6. c7 Bf4 7. Na6 h3 8. Nb4 h2 9. Nd3 Bxc7 10. Kxc7 Nb5+ $11 ) 3... Kf4 4. Rf5+ $1 ({Thematic try} 4. Rg4+ $2 Kxg4 5. Nxe3+ Kf3 $1 (5... Kf4 $2 6. b6 {main line}) 6. b6 Nc8+ 7. Ke5 d6+ $1 (7... Nxb6 $2 8. cxb6 h3 9. Nf1 Kg2 10. Kf4 $18) 8. Ke6 Nxb6 9. cxb6 h3 10. Nf1 Kg2 11. Nc6 Kxf1 12. b7 h2 13. b8=Q h1=Q $11) (4. Nxe3 $2 Nxb5+ 5. Kxd7 Kxg5 6. Nc6 h3 7. Nf1 Kf4 $11) 4... Kxf5 5. Nxe3+ Kf4 6. b6 $1 (6. Nd5+ $2 Kg5 7. b6 (7. Kxd7 Nxb5 8. Ne3 Kf4 $11) 7... Nc8+ 8. Kc7 Nxb6) 6... Nc8+ 7. Kc7 $1 ({Thematic try} 7. Kxd7 $2 Nxb6+ 8. cxb6 Kxe3 9. Nc6 h3 10. Ne5 Kf4 11. Nf3 Kxf3 12. b7 h2 {(Kg2)} 13. b8=Q Kg2 $11 ) ({Thematic try} 7. Kd5 $2 Nxb6+ 8. cxb6 Kxe3 9. Nxd7 h3 10. Nf6 Kf3 11. b7 h2 12. b8=Q h1=Q $11) 7... Nxb6 8. cxb6 Kxe3 (8... h3 9. Nf1 Kf3 10. Nxd7 Kg2 11. b7 Kxf1 12. b8=Q $18) 9. Nc6 $1 (9. Nxd7 $2 h3 10. Nf6 Kf4 $1 11. Ne4 h2 $1 12. Nf2 Kg3 {(Kf3)} 13. Nh1+ Kg2 14. b7 Kxh1 $11) 9... h3 10. Ne5 Kf4 11. Nf3 $1 Kxf3 $1 12. b7 h2 13. b8=Q $18 *

[Event "3rd  Prize, 2World Cup"] [Site ""] [Date "2011.05.12"] [Round ""] [White "Didukh=S"] [Black ""] [Result "0-1"] [SetUp "1"] [FEN "2R5/2P5/N1Pn4/1k6/8/2p1K3/8/5b2 w - - 0 0"] [PlyCount "23"] 
 1. Rd8 $1 Nf5+ (1... Nc4+ 2. Kd4 Nb6 3. Nc5 Bh3 (3... c2 4. Nb3 Bh3 5. Rh8 Be6 6. Rh5+ Kxc6 7. Rc5+ Kd7 8. Na5 Bf5 9. Nc6 $18) 4. Rh8 Bc8 5. Ne4 c2 6. Rh1 Kxc6 7. Rc1 Kxc7 8. Rxc2+ Kd8 9. Rc6 $18) 2. Kf3 $3 ({Thematic try} 2. Kf2 $2 Ne7 3. Re8 ({transpose} 3. Nb4 Kxb4 4. Re8 c2 5. Rxe7 c1=Q 6. c8=Q Qf4+ $11) 3... c2 (3... Bh3 4. c8=Q Bxc8 5. Nc7+ Kb6 6. Na8+ Kc5 7. Rxe7 c2 8. Re1 Kxc6 9. Ra1 Bb7 {zz etc same final}) 4. Rxe7 Bh3 ({not} 4... c1=Q $2 5. c8=Q Qf4+ 6. Kg1 Qg5+ 7. Kxf1 Qxe7 8. Qb7+ $18) 5. c8=Q Bxc8 6. Nc7+ Kb6 7. Na8+ Kc5 8. Re1 Kxc6 9. Ra1 Bb7 {zz} 10. Ke2 Bxa8 11. Rxa8 c1=N+ $1 $11) (2. Kf4 $2 Ne7 3. Rd1 Kxa6 4. Rxf1 Kb6 5. Re1 $11) (2. Ke4 $2 Ne7 $11) (2. Ke4 $3 Ne7 3. Re8 (3. c8=Q Nxc8) 3... c2 4. Rxe7 Bh3 $2 5. c8=Q Bxc8 6. Nc7+ $2 Kb6 7. Na8+ Kc5) 2... Ne7 3. Re8 c2 4. Rxe7 Bh3 $1 (4... c1=Q 5. c8=Q Qd1+ 6. Kf2 Qd2+ 7. Kxf1 $18) 5. c8=Q $1 (5. Re5+ $2 Kxa6 6. Rc5 Kb6 7. Rxc2 Kxc7 $11 {,or}) (5. Re1 $2 Kxa6 6. Rc1 Kb6 7. c8=Q Bxc8 8. Rxc2 Kc7 $11) 5... Bxc8 6. Nc7+ Kb6 $1 (6... Kxc6 7. Ne8 $1 Bd7 (7... c1=Q 8. Rc7+) 8. Re1 Bxe8 9. Rxe8 c1=Q 10. Rc8+ $18) 7. Na8+ $1 (7. Nd5+ $2 Kc5 8. Nf4 c1=Q 9. Nd3+ Kd6 10. Nxc1 Kxe7 $11) 7... Kc5 8. Re1 Kxc6 9. Ra1 Bb7 (9... Kb7 10. Ke3 Bf5 11. Kd2 Be4 $18) 10. Kf2 $3 {zz} Bxa8 ( 10... Kc5 11. Nc7 Kd4 12. Ke2 Kc3 13. Rc1 $18) 11. Rxa8 c1=Q 12. Rc8+ $18 0-1