www.arves.org - Strategems 2010

Studies awarded for the USA Magazine tournament Strategems 2010.

[Event "Prize S.p StrateGems 2010"] [Site ""] [Date "2010"] [Round ""] [White "Vrabec=F"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "N4r2/p1P5/p1n5/7K/8/7k/8/4R3 w - - 0 1"] [PlyCount "25"] [EventDate "2010"] [SourceDate "2005.01.24"] 
 1. Re3+ $3 ({Thematic try} 1. Re6 $5 Nb4 $1 (1... Nd4 $2 2. Rd6 Rxa8 3. Rxd4 Rc8 4. Rc4 $18) 2. Rd6 Rxa8 3. Rd8 Rc8 $3 (3... Nd5 $2 4. Rxd5 Rc8 5. Rc5 $18) 4. Rxc8 Nd5 $1 5. Kg5 Kg3 6. Kh6 Kh4 7. Kg7 Kg5 8. Kf7 Kf5 9. Ke8 Ke6 10. Kd8 Kd6 $11) 1... Kh2 $1 (1... Kg2 2. Re6 Nb4 (2... Nd4 3. Rg6+ $1 Kh3 4. Rd6 Rxa8 5. Rxd4 Rc8 6. Rc4 a5 7. Rc3+ Kg2 8. Kg4 $1 a4 9. Rc2+ Kf1 10. Kf5 a3 11. Ke6 a2 12. Rc1+ Ke2 13. Kd7 $18) 3. Rd6 Rxa8 4. Rd8 Nd5 5. Rxd5 Rc8 6. Rc5 Kf3 ( 6... a5 7. Kg4 $1 a4 8. Rc2+ Kf1 9. Kf5 $18) 7. Kg5 Ke4 8. Kf6 Kd4 9. Rc1 Kd5 10. Ke7 $18) 2. Re6 Nb4 (2... Nd4 3. Rd6 Rxa8 4. Rxd4 Rc8 5. Rc4 a5 6. Kg4 $18) (2... Rxa8 3. Rxc6 Rc8 4. Kg5 $18) 3. Rd6 Rxa8 4. Rd8 Rc8 $1 (4... Nd5 5. Rxd5 Rc8 6. Rc5 a5 7. Kg4 $1 $18) 5. Rxc8 Nd5 6. Kg4 $1 (6. Kh6 $2 Kh3 7. Kg7 Kg4 8. Kf7 Kf5 9. Ke8 Ke6 10. Kd8 Kd6 $11) (6. Kg5 $5 Kg3 { and position of the thematic try after 5.Kg3=}) 6... Kg2 7. Kh4 $1 Kh2 8. Rf8 $3 Nxc7 9. Rf2+ Kg1 10. Kg3 Nb5 11. Rf3 $1 Nd4 (11... Nd6 12. Rd3 Ne4+ 13. Kf3 Ng5+ 14. Kg4 $18) 12. Rd3 $1 Nf5+ 13. Kg4 $1 {easy technical win} (13. Kf4 $2 Nh4 14. Kg3 Nf5+ {loss of time.})

[Event "2. hm S.p StrateGems 2010"] [Site ""] [Date "2010"] [Round ""] [White "Pallier=A, Dore=M"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "8/8/7p/6P1/RKR5/5n2/1k3p2/8 w - - 0 1"] [PlyCount "31"] [EventDate "2010"] [SourceDate "2005.01.24"] 
 1. Ra2+ $1 (1. Rc2+ $2 Kxc2 2. Ra2+ Kd3 {(Kd1)} 3. Rxf2 Nxg5 $11) 1... Kxa2 2. Rc2+ Kb1 3. Rxf2 Nxg5 4. Kc4 $1 (4. Re2 $2 Kc1 5. Kc3 Kd1 $11) 4... Kc1 5. Kd3 Ne6 $1 6. Rf5 $1 (6. Kc3 $2 Kd1 7. Rf6 Ng5 8. Kd3 Ke1 9. Ke3 Nh3 $1 10. Rg6 Kf1 $1 $11) (6. Rc2+ $2 Kd1 7. Rf2 Nc5+ $1 8. Kd4 Ne6+ 9. Kd3 Nc5+ $11) 6... Kb2 $1 (6... h5 7. Kc3 Kd1 8. Rd5+ Ke2 9. Re5+ $18) 7. Re5 (7. Rf6 $2 Nc5+ 8. Kc4 Ne4 9. Rf4 Nd2+ $11) 7... Ng5 8. Rb5+ Kc1 {(moves 7 and 8 can be inverted)} 9. Rf5 $1 (9. Ra5 $2 Kb2 10. Rb5+ Kc1 {loss of time}) 9... Kb2 10. Rf6 $1 h5 $1 11. Rh6 $1 Nf3 ({main} 11... Kb3 12. Rb6+ ({Thematic try} 12. Rxh5 $5 Ne6 13. Rb5+ Ka4 14. Rb6 Nc7 15. Kc4 Ka5 16. Rb7 Na6 $11) 12... Ka4 13. Kc4 $18) 12. Rxh5 Ne1+ 13. Kd2 Nf3+ 14. Ke2 Nd4+ 15. Kd3 Nc6 16. Kc4 $1 $18 (16. Rb5+ $2 Ka3 17. Kc4 Ka4 18. Rb6 Na5+ 19. Kc5 Nb3+ $11 {The study of logic character with a choice of the first move. Unfortunately, play very quickly passes to territory EGTB and struggle R vs N it is difficult to consider the original.})

[Event "3. hm S.p StrateGems 2010"] [Site ""] [Date "2010"] [Round ""] [White "Mikitovics=J"] [Black ""] [Result "1-0"] [SetUp "1"] [FEN "k2K2R1/8/8/3p2p1/8/4Np2/6p1/1n6 w - - 0 1"] [PlyCount "17"] [EventDate "2010"] [SourceDate "2005.01.24"] 
 1. Kc7+ Ka7 2. Rxg5 Ka6 (2... Nc3 3. Kc6 Ka6 4. Rg8 Ka7 5. Rg4 Ne2 6. Nxg2 fxg2 7. Rxg2 Nc3 8. Rg1 d4 9. Ra1+ Kb8 10. Ra3 $18) 3. Kc6 $1 (3. Rg8 $2 Kb5 4. Rb8+ Kc5 $1 5. Rxb1 Kd4 $1 $11) 3... Ka5 (3... Nc3 4. Rg8 $1 Ka7 5. Rg4 $1 Ne2 6. Nxg2 fxg2 7. Rxg2 Nc3 8. Rg1 $1 d4 9. Ra1+ Kb8 10. Ra3 $1) 4. Kxd5 (4. Rg8 $2 Nd2 5. Kxd5 Kb4 6. Kd4 Nb3+ 7. Ke4 Nd2+ 8. Kd3 Nc4 9. Nd5+ {loss of time}) 4... Kb4 5. Ke4 $1 (5. Kd4 $2 Nc3 6. Kd3 Kb3 7. Nc4 (7. Rg8 Nd5 $3 $11) 7... Nb1 8. Ne3 Nc3 9. Nc4 Nb1 $11 {or} 10. Na5+ Ka4 $1 11. Ke3 Nc3 12. Nc6 Ne2) 5... Nd2+ 6. Kd3 $1 Nc4 7. Nd5+ $1 (7. Nc2+ $2 Ka4 $1 8. Ne3 f2 $1 9. Rxg2 Nxe3 10. Rxf2 Nd5 11. Kc4 Nb6+ 12. Kc5 Nd7+ 13. Kc6 Ne5+ 14. Kd5 Nd3 {or}) (7. Kd4 $2 f2 8. Rxg2 Nxe3 9. Rxf2 Nc4 $11 {or}) (7. Nd1 $2 Nb2+ $11) 7... Kb3 8. Rg3 $3 f2 9. Ke2+ $18 {Despite the g2-Pawn, White finds a way to win.}

[Event "s.p StrateGems 2010"] [Site ""] [Date "2010"] [Round ""] [White "Becker=R"] [Black ""] [Result "1/2-1/2"] [SetUp "1"] [FEN "4n3/b7/8/nP6/1KP5/5p2/6R1/k7 w - - 0 1"] [PlyCount "58"] [EventDate "2010"] [SourceDate "2005.01.24"] 
 1. Rd2 $1 (1. Rg3 $2 f2 2. Rf3 Nb7 $19) (1. Rh2 $2 Bg1 $1 2. Rd2 f2 3. Rd1+ Kb2 4. Kxa5 Nd6 $1 5. c5 (5. b6 Nxc4+ 6. Ka6 Nxb6 $19) 5... Nc4+ $1 6. Ka6 Ne3 7. Rd2+ Kc3 8. Rxf2 Bxf2 9. b6 (9. c6 Nd5 10. Kb7 Bb6) 9... Nd5 10. b7 Nb4+ 11. Ka7 (11. Kb6 Bg3 12. c6 Bb8 $19) 11... Nc6+ 12. Ka8 Bg3 13. b8=Q Nxb8 14. Kb7 Nd7 15. c6 Nc5+ 16. Kb6 Ne6 $19) 1... Nb7 (1... f2 2. Rd1+ Kb2 3. Kxa5 Kc2 4. Rf1 $11) (1... Bb6 2. c5 $11) 2. Kb3 Na5+ (2... Nc5+ 3. Ka3 Kb1 4. b6 $1 Bxb6 5. Rf2 Ba5 6. Rxf3 Nd6 ({main} 6... Nc7 7. Rf5 N7a6 8. Rxc5 Nxc5 {stalemate}) ( 6... Ng7 7. Rf1+ Kc2 8. Rf2+ Bd2 9. Rh2 $11) 7. Rf1+ (7. Rf4 $2 Nde4 $1 8. Rf2 (8. Rf5 Kc2 9. Rh5 Bd2 {zz}) 8... Kc1 9. Rh2 Ng3 10. Rg2 Be1 11. Rg1 Kd1 12. Rg2 Nge4 13. Rh2 Nf2 14. Rh5 Nfd3 $19) 7... Kc2 8. Rf2+ Kc3 9. Rf3+ Kc2 10. Rf2+ Bd2 11. Rh2 $1 Kc3 12. Rh3+ Kc2 13. Rh2 Nde4 14. Rh5 Ba5 {zz} 15. Rh2+ Kc3 16. Rh3+ Kc2 17. Rh2+ (17. Rh8 $2 Nf2 18. Rh2 Be1 19. Rg2 Kc3 20. Rg3+ Nfd3 $19 ) 17... Bd2 18. Rh5 Kc3 19. Rh3+ Kc2 20. Rh5 Ng5 21. Rh2 Nf3 22. Rh5 Ng5 23. Rh2 Kc3 24. Rh1 {zz} 24... Nge6 25. Rh3+ (25. Rh5 $2 Kc2 {zz} 26. Ka2) 25... Kc2 26. Rh5 {zz} 26... Ba5 27. Rh2+ Kc3 28. Rh3+ Kc2 29. Rh2+ Bd2 30. Rh5 Kc3 31. Rh3+ Kc2 32. Rh5 {positional draw}) 3. Kb4 Nxc4 4. Rd7 $1 (4. Kxc4 $2 f2 5. Rd1+ Kb2 6. Kd3 Nd6 7. Ke2 Ne4 8. Rd3 Kc2 9. Rf3 Bb6 10. Rh3 Nd2 11. Rh1 Bc5 $1 {zz} 12. b6 Bxb6 13. Rd1 Ne4 14. Rd2+ Kc1 15. Rd1+ Kb2 16. Rd3 Bc5 17. Rh3 (17. Rf3 Kc2 18. Rh3 Nc3+ 19. Kf1 Kd2 20. Rh5 Be3 $19) 17... Nd2 18. Rh1 Kc2 19. Rd1 Ne4 20. Rd2+ Kb3 21. Rd3+ Nc3+ 22. Kf1 Kc2 23. Rf3 Ne4 24. Ke2 Bd4 25. Rh3 Nc3+ 26. Kf1 Kd2 27. Rh4 Be3 $19) 4... Bb6 5. Kxc4 (5. Rd1+ $2 Kb2 6. Kxc4 Kc2 7. Rf1 f2 8. Kd5 Kd3 9. Kc6 Ke2 $1 10. Rb1 Bd4 11. b6 Nf6 12. b7 Be5 $19) 5... f2 6. Rd1+ Kb2 7. Kd3 Nd6 8. Ke2 Ne4 9. Rd3 Nc3+ 10. Kf1 Ne4 11. Ke2 Bc5 12. Rf3 ( 12. Rh3 $2 Nd2 13. Rh1 Kc2 {zz}) 12... Kc1 13. Rd3 $1 Kb2 14. Rf3 Kc2 15. Rh3 $1 Nc3+ 16. Kf1 Nb1 17. Ke2 Nd2 18. Rh1 {zz} 18... Bb6 19. Rd1 Ne4 20. Rd2+ Kc3 21. Rd3+ Kc2 22. Rd2+ Kb3 23. Rd3+ Kb2 24. Rh3 $1 (24. Rf3 $2 Kc2 25. Rh3 Nd2 26. Rh1 Bc5 {zz}) 24... Nc3+ 25. Kf1 Nb1 26. Ke2 Nd2 27. Rh1 Kc2 28. Rd1 Ne4 29. Rd2+ Nxd2 {stalemate .The author repeatedly uses this idea, but he always manages to find something new. Despite the complexity of some lines, the content is very rich.} 1/2-1/2