www.arves.org - Uralski Problemist 25 JT 2018

Studies awarded for the Uralski Problemist 25 Jubilee tournament 2018:

[Event "Ural Problemist 25 JT; I-II prize"] [Site ""] [Date "2018"] [Round ""] [White "Oleg Pervakov (Russia)"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "3K2R1/3Pp3/2k5/8/3P4/7p/b1PR2p1/4r3 w - - 0 1"] [PlyCount "33"] [EventDate "2018.09.23"] [SourceDate "2018.09.23"] 
 1. c4 $3 (1. d5+ $6 Bxd5 2. Rxd5 h2 3. Kc8 Ra1 $1 4. Rg6+ e6 $1 5. Rd6+ $1 (5. Rxe6+ Kxd5 6. Ra6 $1 Rxa6 7. d8=Q+ Ke4 $1 8. Qh4+ Kf3 $11) 5... Kc5 6. Rg5+ e5 $1 7. Rd5+ $1 (7. Rxe5+ $6 Kxd6 8. Ra5 $1 Rxa5 9. d8=Q+ Ke6 10. Qg8+ Ke5 11. Qxg2 Rc5+ 12. Kd7 Rxc2 $1 $11) 7... Kc4 8. Rg4+ e4 $1 9. Rd4+ $1 Kc3 10. Rg3+ e3 $1 11. Rd3+ Kb2 $1 $11) 1... Bxc4 2. d5+ $1 (2. Rc2 $6 g1=Q 3. Rxg1 Rxg1 4. Rxc4+ Kd5 5. Rc5+ Kxd4 6. Rc1 $1 Rxc1 7. Ke8 Ke4 8. d8=Q h2 9. Qxe7+ Kf3 $11) 2... Bxd5 3. Rxd5 h2 $1 (3... Kxd5 4. Ke8) 4. Kc8 $1 Ra1 $1 5. Rg6+ e6 $1 6. Rd6+ $1 (6. Rxe6+ $6 Kxd5 7. d8=Q+ Kxe6 $11) 6... Kc5 7. Rg5+ e5 $1 8. Rd5+ $1 (8. Rxg2 $6 Ra8+ 9. Kc7 h1=Q 10. Rc2+ Kb4 $1 11. Rb6+ Ka3 $11) 8... Kc4 9. Rg4+ e4 $1 10. Rd4+ $1 (10. Rxg2 $6 h1=Q 11. Rc2+ Kb3 $1 $11) 10... Kc3 11. Rg3+ e3 $1 12. Rd3+ $1 Kc4 $1 (12... Kc2 13. Rxg2+) 13. Rg4+ Kxd3 14. d8=Q+ Ke2 15. Rxg2+ Kf1 16. Qd5 $1 h1=Q 17. Qf3+ $18 1-0

[Event "Ural Problemist 25 JT; I-II prize"] [Site ""] [Date "2018"] [Round ""] [White "Alexey Sochnev (Russia)"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "5R2/3rP3/3p4/5N2/4k2q/1K1np3/p5p1/5N2 w - - 0 1"] [PlyCount "59"] [EventDate "2018"] [SourceDate "2017.05.21"] 
 1. e8=Q+ Ne5 2. Qa8+ d5 3. Nxh4 a1=N+ $1 (3... g1=Q 4. Qa4+ $1 d4 5. Qa8+ Kd3 6. Ng2 $1 a1=N+ $1 7. Kb2 $1 Nc4+ 8. Kb1 $1 Kc3 9. Qxa1+ Kb4 10. Ne1 $1 Qg6+ 11. Nc2+) 4. Qxa1 Rb7+ $1 5. Kc2 $3 (5. Kc3 $6 d4+ $1 6. Kc2 Rc7+ $1 7. Kd1 g1=Q 8. Rf4+ $1 Kxf4 9. Qxd4+ Kg5 10. Qxe5+ Kxh4 11. Qh8+ Kg4 12. Qg8+ Kf3 13. Qxg1 e2+ 14. Kd2 Rd7+ $1 $11) 5... Rc7+ 6. Kd1 g1=Q 7. Rf4+ $1 (7. Qxe5+ $6 Kxe5 8. Nf3+ Ke6 9. Nxg1 Rf7 $1 10. Rxf7 Kxf7 $11) 7... Kxf4 8. Qd4+ Kg5 9. Qxe5+ Kg4 10. Qe6+ Kh5 11. Qe8+ $1 Kxh4 12. Qh8+ Kg4 13. Qg8+ Kf3 14. Qxg1 e2+ 15. Kd2 $1 Rc2+ $1 16. Kd3 $3 (16. Kxc2 $6 e1=Q 17. Nd2+ Ke2 18. Qg4+ Kf2 19. Qh4+ Ke2 20. Qh5+ Kf2 21. Qh2+ Ke3 {zz} 22. Qe5+ Kf2 23. Qh2+ Ke3 $11) 16... Rc3+ $1 17. Kxc3 $1 e1=Q+ 18. Nd2+ $1 Ke2 19. Qg4+ Kf2 20. Qh4+ Ke2 21. Qh5+ Kf2 22. Qh2+ Ke3 23. Kc2 $1 {zz} d4 (23... Qf2 24. Qe5#) 24. Nc4+ Kf3 25. Ne5+ Ke4 26. Qh7+ Ke3 (26... Kxe5 27. Qe7+) 27. Qh6+ Ke4 28. Qc6+ Kf5 29. Qg6+ Kxe5 30. Qe8+ 1-0

[Event "Ural Problemist 25 JT; III-IV prize"] [Site ""] [Date "2018"] [Round ""] [White "Sergey Didukh (Ukraine)"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "7K/8/7n/2P5/1P3R2/2pr3P/8/5N1k w - - 0 1"] [PlyCount "21"] [EventDate "2018"] [SourceDate "2017.05.21"] 
 1. c6 $1 (1. Kg7 $6 Nf5+ $1 2. Kf6 c2 3. Rc4 Nd4 $11) 1... Nf7+ $1 (1... Rxh3 2. Kg7 c2 3. Rc4 Nf5+ 4. Kf6 Rf3 5. Ke5 $1 Rxf1 6. Rxc2 Ne7 7. Kd6 $18) 2. Rxf7 c2 (2... Rxh3+ 3. Rh7 Rxh7+ 4. Kxh7 c2 5. Ng3+ Kg2 6. Ne2 $18) 3. Ne3 $3 (3. Ng3+ $2 Rxg3 4. Rf1+ Rg1 $19) (3. Nd2 $6 Rxh3+ 4. Kg8 Rg3+ $1 5. Kf8 c1=Q 6. Rf1+ Qxf1+ 7. Nxf1 Rb3 $1 8. Nd2 Rb2 $1 {zz} 9. Ke8 Rxb4 10. c7 Rh4 $11) 3... c1=Q (3... Rxe3 4. Rf1+ Kg2 5. Rc1 Rc3 6. b5 $18) 4. Rf1+ Qxf1 5. Nxf1 Rxh3+ ( 5... Rb3 6. Nd2 Rb2 7. Kg8 $1 Rxd2 8. b5 Rc2 9. Kf7 Rc5 10. Ke6 Rxb5 11. c7 Rc5 12. Kd7 $1 $18) (5... Rd8+ 6. Kg7 Rb8 7. Ne3 $1 Rxb4 8. c7 Rb7 9. Nd5 $18) 6. Kg8 $1 Rb3 7. Nd2 Rb2 $1 8. Kf8 $1 {zz} Kg1 (8... Kg2 9. Nc4 $1 Rxb4 10. Ne3+ Kf3 11. c7 Rh4 12. Kg7 $18) 9. Ke8 $1 (9. Nf3+ $6 Kf2 10. Ne5 Ke2 $1 11. Ke8 Rxb4 12. c7 Rh4 $11) 9... Rxb4 10. c7 Rh4 11. Nf3+ $18 1-0

[Event "Ural Problemist 25 JT; special prize"] [Site ""] [Date "2018"] [Round ""] [White "Yuri Bazlov (Russia)"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "8/4pK2/8/4k3/4r3/5P2/2pB4/3R4 w - - 0 1"] [PlyCount "23"] [EventDate "2018"] [SourceDate "2017.05.21"] 
 1. Rc1 $1 Re2 $1 2. Rxc2 Kf5 $1 3. Rc5+ e5 $1 4. Rd5 $1 (4. Bc1 $6 Re3 $1 5. f4 $1 (5. Bxe3 $6 $11) 5... Re1 $1 {zz} 6. Ke7 Rxc1 $1 7. Rxc1 exf4 8. Rf1 Ke5 $1 {zz} (8... Ke4 $6 9. Kf6 $1 $18) 9. Kf7 Kf5 {zz} 10. Kg7 Kg5 $11 {zz}) 4... Re3 $1 5. f4 $1 (5. Bxe3 $6 $11) 5... Re2 6. Bc1 $1 (6. Ke7 $6 Rxd2 $1 7. Rxd2 exf4 $1 (7... Kxf4 $2 8. Rf2+ $1 Ke3 9. Rf5 $1 e4 10. Ke6 Kd3 11. Rd5+ $1 Kc3 12. Re5 Kd3 13. Kf5 $1 $18) 8. Kd6 Ke4 $1 $11) 6... Re1 7. Rc5 $1 Re2 (7... Rxc1 8. Rxc1 exf4 9. Rf1 $1 {zz} Kg5 (9... Ke5 10. Kg6 $18) 10. Ke6 $18) 8. Ke7 $1 Re1 $1 9. Bd2 $1 (9. Kd6 $6 Rd1+ $1 10. Kc6 Re1 11. Kd6 Rd1+ 12. Ke7 Rxc1 $1 13. Rxc1 exf4 14. Rf1 Ke5 $1 $11) 9... Re2 $1 10. Ra5 $3 (10. Rb5 $6 Rxd2 11. fxe5 Ra2 $1 12. e6+ Kg6 $1 $11) 10... Rxd2 11. fxe5 Rb2 12. e6+ $18 1-0

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