[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "English Opening: Three"] [Black "Knights Variation"] [Result "*"] [ECO "A27/01"] [Annotator "Iccf GM Matjaz,Pirs"] [PlyCount "99"] {[%evp 0,99,48,-14,-19,-26,-12,-26,35,47,58,-33,-18,-57,-11,1,3,-16,-1,-9,-2, -2,-2,10,30,31,24,29,36,43,14,7,3,0,29,-23,-4,-4,9,25,25,14,36,35,44,48,45,50, 50,41,55,41,27,26,32,0,48,17,26,0,19,21,50,36,35,37,70,58,44,40,65,65,78,47,86, 56,50,53,52,40,18,-60,-81,-33,-38,-22,-36,-42,-42,-42,-38,-46,-46,-51,-48,-42, -42,-42,-42,-42,-38,-42]} 1. c4 e5 2. Nc3 Nc6 (2... Bc5 3. Nf3 d6 4. e3 Nc6 5. d4 (5. d3 a6 6. Be2 h6 7. d4 exd4 8. exd4 Bb6 9. O-O Nf6 10. Be3 O-O 11. Qc1 Ng4 12. Nd5 Ba7 13. h3 Nf6 14. Nc3 Bd7 15. a3 Bf5 16. Qd2 Ne7 {Andersson,S (1807)-Szaszák,R (1767) ICCF 2015 1/2-1/2 (38)}) (5. Be2 Nge7 6. O-O O-O 7. a3 Bf5 8. d4 Bb6 9. Na4 a6 10. Nxb6 cxb6 11. b4 b5 12. dxe5 dxe5 13. cxb5 axb5 14. Bb2 Nxb4 15. Qxd8 Rfxd8 16. axb4 Rac8 {Pawlowski,R (1960)-Grønbech,T (1431) ICCF 2019 1-0 (31)}) 5... Bb4 (5... exd4 6. exd4 Bb4 (6... Bb6 7. Be2 (7. Nd5 h6 8. g3 Nge7 9. Bg2 Nxd5 10. cxd5 Ne7 11. Qb3 Nf5 12. Qd3 O-O 13. O-O Qf6 14. Rd1 Bd7 15. b3 Rfe8 16. Bb2 Re7 17. Bc3 Rae8 18. b4 a6 {Bernardara,E-Asi,E ICCF 2019 0-1 (29)}) 7... Nf6 8. O-O O-O 9. Bg5 h6 10. Bxf6 Qxf6 11. Nd5 Qg6 12. b4 a5 13. b5 Nb4 14. Ne7+ {1-0 (14) Salaun,C-Riemann,M ICCF 2008}) 7. Bd3 Bg4 (7... Nf6 8. O-O O-O 9. Ne4 h6 10. a3 Ba5 11. b4 Nxb4 12. axb4 Bxb4 13. Nxf6+ Qxf6 14. Qb3 a5 15. Bb2 Bg4 16. d5 Qf4 17. Nd4 Bd7 18. Nc2 c5 19. dxc6 { Ellis,J (2064)-Hotárek,J (1629) ICCF 2016 1-0}) 8. O-O Nxd4 9. Re1+ Ne7 10. Rxe7+ Qxe7 11. Nd5 Nxf3+ 12. gxf3 Bxf3 13. Qxf3 Qe1+ 14. Kg2 Bd2 15. Nxc7+ Kd7 16. Qxf7+ Kc6 17. Bxd2 {Lagergren,H (1838)-Raj,A ICCF 2019 1-0}) (5... Bb6 6. b4 Nxb4 (6... exd4 7. exd4 a5 (7... a6 8. d5 Qf6 9. Bb2 Ne5 10. Be2 Bg4 11. c5 Bxf3 12. cxb6 Bxe2 13. Qxe2 Qf4 14. O-O Nf6 15. Na4 O-O 16. Bxe5 dxe5 17. bxc7 Nxd5 18. Rac1 Rac8 19. Rc5 {Coyne,D (2346)-Blondel,F (1934) ICCF 2015 1-0 (38)} ) 8. b5 Nce7 9. h3 h6 10. Bd3 Nf6 11. O-O O-O 12. Re1 Bf5 13. Bxf5 Nxf5 14. g4 Ne7 15. g5 hxg5 16. Bxg5 Kh8 17. Bxf6 gxf6 18. Kh2 {Hannum,W (2057)-Martínez Garcia,D ICCF 2021 1-0}) 7. Qa4+ Nc6 8. d5 Bd7 9. dxc6 Bxc6 10. Qc2 Ne7 11. Be2 a6 12. O-O Bd7 13. Ba3 c6 14. Rfd1 Bc5 15. Bxc5 dxc5 16. Nxe5 Qc7 17. Nxd7 { Sifré Calafat,F (2007)-Gendre Díez,V (1483) ICCF 2018 1-0 (26)}) 6. Bd2 (6. dxe5 Bxc3+ 7. bxc3 Nxe5 8. Nxe5 dxe5 9. Qxd8+ Kxd8 10. Ba3 Ke8 (10... Nf6 11. Rb1 Nd7 12. Be2 c5 13. Bf3 Rb8 14. Bd5 Ke7 15. f3 b6 16. e4 Bb7 17. Bc1 Rhe8 18. a4 a5 19. Kf2 Bxd5 20. cxd5 Rec8 21. Rb5 Kd6 22. c4 {Beltins,G (1859) -Smith,P ICCF 2012 1-0 (33)}) 11. Be2 f5 12. Rb1 Kf7 13. c5 b6 14. f4 exf4 15. Bh5+ g6 16. Bf3 Rb8 17. exf4 Nf6 {Seifert,H-Selivanov,V ICCF 2009 1-0 (49)}) 6... Nf6 7. d5 Na5 8. Qa4+ c6 9. Qxb4 c5 10. Qa4+ Bd7 11. Qc2 Ng4 12. Bd3 O-O 13. Bxh7+ Kh8 14. Bd3 g6 15. Ne4 Qe7 16. Bxa5 b6 17. Bc3 f5 18. h3 Nh6 19. Nxd6 Qxd6 20. Bxe5+ Kg8 21. Bxd6 Rf6 22. Be5 Rf7 23. g4 fxg4 24. Ng5 Re7 25. Bf6 Ree8 26. hxg4 Nxg4 27. Rh8# {1-0 (27) Popa Acosta,A-Lima,J (1514) ICCF 2012 English Opening: Three-Knights Variation}) 3. Nf3 {[%csl Rb2,Gc2,Rc3,Gc7,Gd3, Rd4,Gd6,Re3,Ge4,Ge5,Rf2,Gf3,Gf6,Gg2,Gg7][%CAl Gc4d5,Gc3b5,Gc4b5,Ge5d4,Gc3b2, Gf8b4,Gc3b4,Gd4c5,Gc6b4,Gc6d4]} (3. g3 f5 4. Nf3 Nf6 (4... d6 5. d4 e4 (5... exd4 6. Nxd4 Nxd4 7. Qxd4 Nf6 8. Bg2 Be7 9. O-O c6 10. Rd1 Be6 11. Bf4 Qb6 12. Qxb6 axb6 13. b3 O-O-O 14. a4 Rhe8 15. a5 bxa5 16. Rxa5 Kc7 17. Rda1 {Brusiani, A (1947)-Vecek,M (2331) ICCF 2012 1/2-1/2 (54)}) (5... Nf6 6. Bg2 (6. dxe5 Nxe5 7. Nxe5 dxe5 8. Qxd8+ Kxd8 9. Bg5 c6 10. Bg2 Be6 11. O-O-O+ Ke8 12. b3 Ng4 13. Rdf1 Bc5 14. Na4 Bxf2 15. Rxf2 Nxf2 16. Rf1 Ng4 17. h3 Nf6 {LeSavouroux,H (1960)-Blondel,F (1975) ICCF 2013 0-1}) 6... e4 7. Ng5 h6 8. Nh3 g5 9. d5 Ne5 10. f4 gxf4 11. Nxf4 h5 12. Qa4+ Bd7 13. Qb3 h4 14. Qxb7 a6 15. Ne6 Bxe6 16. dxe6 hxg3 17. Bg5 {Paesschesoone,S (2080)-Jones,I (2083) ICCF 2015 0-1 (40)}) 6. d5 (6. Ng5 Nf6 (6... h6 7. Nh3 g5 8. d5 Ne5 9. f4 exf3 10. exf3 Qe7 11. f4 Nd3+ 12. Kd2 Nxc1 13. Rxc1 Bd7 14. Qh5+ Qf7 15. Qxf7+ Kxf7 16. fxg5 hxg5 17. Nxg5+ Kg6 18. h4 {Schild,R (2168)-Franzén,T (2160) ICCF 2015 1/2-1/2 (36)}) 7. Nh3 Be7 8. Nf4 O-O 9. Bg2 Na5 10. b3 c6 11. d5 g5 12. Nh3 Ng4 13. Qd2 Bf6 14. O-O Re8 15. Rb1 c5 16. Nd1 h6 17. f3 Bd4+ {Brzezinski,B (1878)-Rivas Romero,G (2193) ICCF 2013 1-0 (43)}) 6... Ne5 (6... exf3 7. dxc6 bxc6 8. exf3 Nf6 9. Bg2 Be7 10. f4 Bd7 11. O-O O-O 12. Re1 Re8 13. b3 Bf8 14. Be3 a6 15. Qd2 Rc8 16. b4 Rb8 17. Rab1 c5 18. bxc5 {Keber,E (1973)-Milde,L (2054) ICCF 2012 1-0 (38)}) 7. Nd4 Nf6 (7... c6 8. Bh3 g6 9. O-O Bg7 10. Bf4 Ne7 11. Qb3 Qb6 12. Rfd1 Bd7 13. Ne6 Bxe6 14. dxe6 Nc8 15. Qc2 Nxc4 16. Na4 Qb5 17. Rab1 Ne5 18. b3 O-O 19. Nc3 {Justesen,A (2067)-Vecek,M (2180) ICCF 2010 0-1 (25)}) (7... h5 8. Qb3 c6 9. Bf4 Ne7 10. Bh3 Qb6 11. O-O-O Qxb3 12. axb3 Kf7 13. Rhf1 h4 14. dxc6 N5xc6 15. g4 Ng6 16. Bg5 fxg4 17. Bg2 d5 18. Nxd5 Nxd4 19. Rxd4 {Malinowski,D-Galuszka,K ICCF 2016 1-0 (39)}) 8. f4 exf3 (8... Ng6 9. e3 (9. Bh3 Ne7 10. Be3 g6 11. Qb3 c5 12. dxc6 bxc6 13. Rd1 Bd7 14. Qa3 c5 15. Ndb5 Nc8 16. g4 fxg4 17. Bg2 Be7 18. Nxe4 Nxe4 19. Bxe4 Rb8 20. O-O O-O {Deneuville,C (2239)-De Smet,K (2236) ICCF 2012 1-0 (34)}) 9... Bd7 10. Be2 h5 11. b4 Be7 12. Bb2 a6 13. Rg1 Qc8 14. h3 Kf8 15. Qb3 a5 16. b5 Rb8 17. c5 dxc5 18. Ne6+ Bxe6 19. dxe6 c6 20. O-O-O { Malinowski,D (2238)-Roth Jr.,P (1786) ICCF 2017 1-0 (27)}) (8... Neg4 9. h3 Nh6 10. e3 Bd7 11. Bd2 c6 12. Qc2 Be7 13. Be2 O-O 14. O-O-O cxd5 15. cxd5 Qb6 16. Kb1 Rfc8 17. Ne6 a5 18. g4 Ne8 19. Rhg1 Kh8 20. Rc1 {Arnold,E (1919)-Rogers,B (1987) ICCF 2017 1-0 (63)}) 9. exf3 Qe7 10. Be2 Bd7 11. O-O O-O-O 12. f4 Neg4 13. Re1 Qf7 14. h3 Nh6 15. Bf3 Re8 16. Bd2 Rxe1+ 17. Qxe1 Kb8 18. Kg2 Nhg8 19. Qe3 Ne7 20. Ne6 h5 21. a4 h4 22. Nb5 Nc8 23. Nbxc7 Qg6 24. Qf2 Be7 25. Be3 Bxe6 26. Nxe6 Ng4 27. hxg4 fxg4 28. Rh1 gxf3+ 29. Kxf3 Qd3 30. Qe2 Qb3 31. a5 Bf6 32. Rh2 Ne7 33. g4 Rc8 34. Qc2 Qxc2 35. Rxc2 Nxd5 36. Bf2 Nb4 37. Rd2 Re8 38. Rxd6 Bxb2 39. Bxh4 Nc6 40. f5 Ne5+ 41. Ke4 Nxg4 42. Bg3 Kc8 43. c5 Ba3 44. Kd3 Nh6 45. Nxg7 Rd8 46. Rxd8+ Kxd8 47. Bf4 Ng8 48. Ne6+ Kd7 49. Bg5 Ne7 50. Ke4 a6 51. Bd2 Bb2 52. Nf4 Ng8 53. Nd5 Kc6 54. Be3 Bg7 55. Bd4 Bf8 56. f6 Nxf6+ 57. Bxf6 {1/2-1/2 (57) Hough,G (1945)-Rogers,B (1876) ICCF 2014 English Opening: Three-Knights Variation}) 5. d4 (5. Bh3 g6 (5... d5 6. cxd5 Nxd5 7. O-O Be7 8. Qb3 Nxc3 9. dxc3 Qd6 10. Rd1 Qg6 11. Bg2 e4 12. Nd4 Nxd4 13. cxd4 Qf7 14. d5 O-O 15. Bf4 Bd6 16. Bxd6 cxd6 17. Rac1 {Veroni,A (1943)-Sandel,F ICCF 2007 1/ 2-1/2 (72)}) 6. d3 d6 7. O-O Bg7 8. Bg2 O-O 9. Be3 h6 10. Qc1 g5 11. h4 f4 12. hxg5 hxg5 13. Bd2 Nh5 14. Nh2 g4 15. Bd5+ Kh7 16. Be4+ Bf5 {Belchev,B (2317) -Korshunov,I (2410) ICCF 2012 0-1 (36)}) 5... e4 (5... exd4 6. Nxd4 Nxd4 7. Qxd4 Be7 8. Bg2 O-O 9. O-O d6 10. Rd1 a6 11. b3 Qe8 12. Bb2 Qg6 13. Nd5 Nxd5 14. Qxd5+ Kh8 15. e3 Bf6 16. Bxf6 Qxf6 17. Rac1 {Ackley,P (1982)-Wood,B (1891) ICCF 2016 1-0 (33)}) 6. Nh4 (6. Ne5 Bb4 (6... Bd6 7. Bh3 O-O 8. O-O Nxe5 9. c5 Nf7 10. cxd6 Nxd6 11. Qb3+ Kh8 12. Bf4 Nfe8 13. Rac1 c6 14. a4 b6 15. f3 exf3 16. exf3 Ba6 17. Rfe1 Qf6 18. Qd1 {Fasser,W-Calvo,R (2215) ICCF 2008 1/2-1/2 (54)}) 7. Bg5 (7. Bg2 Qe7 8. O-O (8. Nxc6 dxc6 9. Qb3 O-O 10. O-O Be6 11. a3 Bd6 12. Qxb7 c5 13. d5 Rfb8 14. Qa6 Bd7 15. Qa5 Rb3 16. h3 Nh5 17. e3 Nf6 18. Rd1 Qe8 19. Ne2 h5 {Pansier,P (2473)-Burger,H (2516) ICCF 2007 0-1 (40)}) 8... Nxe5 9. Nb5 d6 10. dxe5 dxe5 11. Nxc7+ Qxc7 12. Qa4+ Kf7 13. Qxb4 a5 14. Qc3 Be6 15. f3 exf3 16. exf3 Rac8 17. Re1 Nd7 18. Bd2 Qc5+ {Trani,F (2015)-King,F ICCF 2006 0-1 (43)}) 7... O-O 8. Bg2 Bxc3+ 9. bxc3 Na5 10. Qa4 b6 11. Nd3 exd3 12. Bxa8 d2+ 13. Bxd2 c6 14. c5 Ne4 15. Bf4 Ba6 16. cxb6 axb6 17. Bxc6 dxc6 { Bourgoin,C (1799)-Kuntze,A ICCF 2016 0-1 (26)}) (6. Ng5 h6 7. Nh3 g5 8. Bg2 d5 9. cxd5 Nxd5 10. e3 Be6 11. Nxd5 Bxd5 12. a3 Qd7 13. Bd2 O-O-O 14. Qa4 Kb8 15. Rc1 Ne5 16. Qxd7 Nd3+ 17. Kf1 Rxd7 {MacMillen,A (1787)-Brotherton,T (1980) ICCF 2012 0-1 (27)}) 6... d6 (6... Bb4 7. Nxf5 d5 8. Ne3 dxc4 9. d5 (9. Nc2 O-O 10. Bg2 Bxc3+ 11. bxc3 Nd5 12. Bd2 Bf5 13. Ne3 Nxe3 14. Bxe3 a6 15. Qc2 Qd7 16. Bxe4 Bxe4 17. Qxe4 Rae8 18. Qg2 Ne7 19. Bd2 Nd5 20. e3 c6 {Anderson,J (2358) -Grayland,S (2404) ICCF 2009 1/2-1/2 (29)}) 9... Bxc3+ 10. bxc3 Ne7 11. Ba3 ( 11. Qa4+ Kf7 (11... Qd7 12. Qxc4 Nexd5 13. Bg2 O-O 14. O-O c6 15. a4 Qf7 16. Nxd5 cxd5 17. Qa2 Be6 18. Qb2 Qh5 19. f3 Bh3 20. Be3 Bxg2 21. Kxg2 Rf7 22. Bd4 Qg6 23. f4 {Keskowski,T (2399)-Grayland,S (2389) ICCF 2017 1-0 (51)}) 12. Qxc4 Nexd5 13. Nxd5 Qxd5 14. Qxc7+ Bd7 15. Bg2 Rac8 16. Qf4 Bg4 17. Qe3 Rhd8 18. O-O Qc5 19. Qxc5 Rxc5 20. Re1 Rxc3 21. h3 Be6 22. a4 b6 {Larsson,M (2374)-Grayland, S (2352) ICCF 2021 1/2-1/2 (32)}) 11... Nexd5 12. Nxc4 Qd7 13. Qb3 a6 14. e3 Qc6 15. Rc1 Nb6 16. Nxb6 Qxb6 17. Qxb6 cxb6 18. c4 {Morgan,D (2204)-Johansen,J (2328) ICCF 2020 1/2-1/2 (35)}) (6... g6 7. Bg5 Bg7 (7... b6 8. e3 Bg7 9. Ng2 h6 10. Bxf6 Qxf6 11. Nf4 Ne7 12. Nb5 Kd8 13. Be2 a6 (13... Bb7 14. Rc1 a6 15. Nc3 Re8 16. O-O Bh8 17. b4 g5 18. Nh5 Qf7 19. c5 Rf8 20. cxb6 cxb6 21. Qc2 Rc8 22. Qa4 f4 23. Bg4 Nd5 24. Nxd5 Rxc1 25. Rxc1 {Greiner,T (2277)-Vivante-Sowter, J (2301) ICCF 2015 1/2-1/2 (32)}) 14. Nc3 Qf7 15. Qb3 Rb8 16. h4 g5 17. Nh5 Bf8 18. g4 fxg4 19. Ng3 {Rice,P (2299)-Bolhari,O (2309) ICCF 2018 1-0 (62)}) (7... Be7 8. e3 d6 9. Be2 Kf7 10. Ng2 h6 11. Bxf6 Bxf6 12. Nf4 Kg7 13. Qb3 a5 14. h4 Qe8 15. O-O-O h5 16. Kb1 Qf7 17. Ncd5 Bd8 18. f3 exf3 19. Bxf3 {Rice,P (2282) -Degtyaryov,S (2306) ICCF 2018 1-0 (25)}) 8. Qd2 (8. e3 Ne7 9. Ng2 h6 10. Bxf6 Bxf6 11. Nf4 c6 12. Qa4 O-O 13. O-O-O d6 14. h4 h5 15. Be2 a6 16. Kb1 Rb8 17. Qb3 b5 18. cxb5+ Kh7 19. a4 Bg7 {Chilson,S (2103)-Lanin,B (2004) ICCF 2019 0-1 (50)}) (8. f3 exf3 9. exf3 Qe7+ 10. Be2 d6 11. Qd2 O-O 12. O-O Qf7 13. Rfe1 Re8 14. d5 Ne5 15. a4 a6 16. a5 Rb8 17. Rab1 Bd7 18. Ng2 Qf8 19. Be3 Rbc8 {Maack,K (2240)-Pereira,N (2019) ICCF 2012 1-0 (62)}) 8... O-O (8... Ne7 9. d5 (9. f3 d5 10. e3 Be6 11. cxd5 Nexd5 12. fxe4 Nxc3 13. Qxc3 Nxe4 14. Bxd8 Nxc3 15. Bxc7 Nd5 16. Bf4 Rc8 17. Bg2 Rc2 18. O-O Rxb2 19. Rfb1 Rxb1+ 20. Rxb1 b6 {Bruce,R (2123)-Rogers,B (2065) ICCF 2020 1/2-1/2 (44)}) 9... Rf8 10. Bg2 Ng4 11. d6 cxd6 12. Nb5 Be5 13. f3 e3 14. Nxd6+ Bxd6 15. Qxd6 Nf2 16. O-O Rg8 17. c5 a6 18. Qe5 f4 19. Qxf4 h6 20. Bxh6 {Moujan,P-Pardoe,I (1638) ICCF 2016 1-0 (28)}) (8... d6 9. Nd5 (9. O-O-O O-O (9... Qd7 10. e3 Qf7 11. Kb1 Bd7 12. Ng2 O-O-O 13. Nf4 Kb8 14. h4 h6 15. Bxf6 Bxf6 16. Be2 Ne7 17. Qc2 Bg7 18. Qb3 g5 19. Nh5 Bf8 20. Rh2 c6 21. Rhh1 {Davis,M (2319)-Pellen,M (2336) ICCF 2009 0-1 (36)}) 10. Bg2 Qd7 11. f3 Qf7 12. fxe4 Nxe4 13. Bxe4 fxe4 14. Bh6 Qxc4 15. Bxg7 Kxg7 16. Ng2 Bh3 17. Ne3 Qf7 18. g4 Qf2 19. Rdg1 Qh4 20. Rg3 Rae8 {Anderson,G (2320) -Lam,M (1936) ICCF 2016 1-0 (29)}) 9... a5 10. Ng2 h6 11. Bxf6 Bxf6 12. Ngf4 g5 13. Nxf6+ Qxf6 14. Nd5 Qf7 15. h4 g4 16. b3 Be6 17. Nf4 Qf6 18. e3 Bf7 19. Be2 O-O 20. O-O {Naeter,B (2089)-Ducci,R (2214) ICCF 2015 1-0 (49)}) (8... b6 9. O-O-O (9. e3 Bb7 10. Ng2 h6 11. Bxf6 Qxf6 12. Nd5 Qd6 13. Ngf4 O-O-O 14. c5 bxc5 15. dxc5 Qxc5 16. Rc1 Qd6 17. Nxg6 Qxg6 18. Rxc6 dxc6 19. Ne7+ Kb8 20. Nxg6 Rxd2 {Löschnauer,R (2465)-Rebord,M (2508) ICCF 2009 1/2-1/2 (32)}) 9... O-O 10. f3 Qe8 11. Kb1 Ba6 12. b3 Bb7 13. Nb5 Rc8 14. d5 Nd8 15. Nxa7 Nxd5 16. cxd5 Qe5 17. Qd4 Qxd4 18. Rxd4 Bxd4 19. Nxc8 Bxc8 20. fxe4 {Groot,P (2119) -Sawaski,J (2135) ICCF 2011 1/2-1/2}) (8... Kf7 9. Nd5 h6 10. Bxf6 Bxf6 11. Nxf6 Qxf6 12. O-O-O d5 13. cxd5 Ne7 14. f3 Nxd5 15. Ng2 exf3 16. exf3 Kg7 17. Kb1 Re8 18. Bc4 Be6 19. Rhe1 Bf7 20. Nf4 {Smit,F (2061)-Schopf,O (2127) ICCF 2009 1/2-1/2 (31)}) 9. Bg2 Ne7 (9... d6 10. f3 Qe8 11. O-O exf3 12. exf3 Qf7 13. d5 Ne5 14. b3 Bd7 15. Be3 Nh5 16. f4 Ng4 17. Bd4 Bxd4+ 18. Qxd4 Rfe8 19. Rfe1 Rxe1+ 20. Rxe1 Re8 21. Nf3 {Gleichmann,M (2540)-Johnsen,K (2432) ICCF 2011 1-0 (66)}) 10. f3 d5 11. cxd5 Nexd5 12. fxe4 Nxc3 13. bxc3 fxe4 14. O-O c5 15. e3 Be6 16. Bxf6 Bxf6 17. Bxe4 Bc4 18. Rf2 {Piper,M (2135)-Manley,J (2361) ICCF 2021 (25)} (18. Bd3 Bxd3 19. Qxd3 Bxh4 20. Rxf8+ Kxf8 21. gxh4 Qxh4 22. Rf1+ Kg7 23. Rf4 Qg5+ {1/2-1/2 (23) Malinowski,D-Knöppel,B (2030) ICCF 2016})) (6... d5 7. Bg5 Bb4 8. cxd5 Qxd5 9. Bxf6 gxf6 10. e3 f4 (10... Qa5 11. Qb3 Bd7 12. Bc4 Qb6 13. Bf7+ Ke7 14. Bh5 Bxc3+ 15. Qxc3 Qa5 16. Qxa5 Nxa5 17. O-O Kd6 18. Be2 Nc6 19. f3 Raf8 20. Rac1 Ne7 21. Bc4 c6 22. Bb3 {Andersen,J (2284) -Tödter,H (2313) ICCF 2010 1/2-1/2}) 11. Ng2 fxe3 12. fxe3 Bd7 13. Be2 O-O-O 14. O-O Bxc3 15. bxc3 Qg5 16. Rb1 h5 17. Rf4 Rde8 18. Nh4 {Kuula,R-Vegjeleki,A (2154) ICCF 2009 1/2-1/2 (35)}) 7. Ng2 (7. Bh3 g6 8. Bg5 Bg7 (8... Be7 9. O-O O-O 10. f3 exf3 11. exf3 f4 (11... Nh5 12. Bxe7 Qxe7 13. Nd5 Qg7 14. f4 Be6 15. Nf3 Rae8 16. Bg2 Bxd5 17. cxd5 Nd8 18. Qa4 Nf6 19. Rae1 a6 20. Ng5 Re7 21. Qb4 Rxe1 22. Rxe1 Qd7 23. h3 {Engelhardt,G (2405)-Destruels Moreno,V (2405) ICCF 2008 1/2-1/2 (28)}) 12. Bxc8 Rxc8 13. Bxf4 Nh5 14. Ng2 Nxf4 15. Nxf4 Qd7 16. Qd3 Bf6 17. Nce2 Rce8 18. Rfe1 Nb4 19. Qd2 Nc6 20. Rad1 {McMillan,N (2020) -Wood,B (2036) ICCF 2011 1-0 (31)}) 9. O-O (9. Nd5 O-O 10. Qd2 Ne7 11. Nxf6+ Bxf6 12. Bxf6 Rxf6 13. d5 Qf8 14. f4 exf3 15. Nxf3 c5 16. O-O h6 17. Ne1 g5 18. Nd3 Ng6 19. Rf2 Qe7 20. Raf1 Qe4 {O'Neill-MCAleenan,C (1954)-Lanin,B (2150) ICCF 2013 1/2-1/2 (40)}) 9... O-O (9... Ne7 10. f3 exf3 11. Nxf3 h6 12. Bxf6 Bxf6 13. Qd2 b6 14. Rae1 Bb7 15. e4 Qd7 16. exf5 g5 17. Re6 Rf8 18. Qe2 O-O-O 19. Rxe7 Bxe7 20. f6 Qxh3 21. fxe7 {Repanic,F (2038)-Pope,P (1554) ICCF 2016 1-0 (29)}) 10. f3 (10. Qd2 Qe8 11. Rad1 Qf7 12. b3 d5 13. f3 exf3 14. Nxf3 Ne4 15. Nxe4 dxe4 16. d5 exf3 17. dxc6 h6 18. Be3 f4 19. cxb7 fxe3 20. bxa8=Q exd2 21. Qxf3 Qxf3 {Varela Mourín,J (2259)-De Blois Figueredo,A (2398) ICCF 2011 1/ 2-1/2 (45)}) 10... Qe8 11. Bg2 (11. Rc1 Bd7 12. d5 Ne5 13. fxe4 Nxe4 14. Nxe4 fxe4 15. Rxf8+ Bxf8 16. Bxd7 Qxd7 17. Qc2 Qg4 18. Bf4 g5 19. Bxe5 gxh4 20. Bf4 hxg3 21. hxg3 Bh6 22. Qxe4 Rf8 {Kleiser,G (2076)-Mercandelli,C (1941) ICCF 2011 1/2-1/2}) (11. Nb5 Qf7 12. d5 Ne5 13. Rc1 a6 14. Nd4 Re8 15. Qd2 c5 16. dxc6 bxc6 17. b3 Qa7 18. Kg2 c5 19. Ndxf5 gxf5 20. Nxf5 Nf7 21. Bf4 a5 22. Kg1 Bh8 {McCartney,P (2115)-Mut Company,G ICCF 2010 0-1 (38)}) (11. Qd2 e3 12. Qxe3 Ne4 13. Rfd1 Bxd4 14. Rxd4 Nxg5 15. Qxg5 Nxd4 16. Kf2 Qe5 17. Qd2 f4 18. gxf4 Rxf4 19. Ng2 Rxf3+ 20. exf3 Bxh3 21. Nf4 Rf8 22. Ncd5 c5 {Moran,R (1857)-Wong, V ICCF 2018 0-1 (29)}) 11... exf3 (11... f4 12. Bxf4 Nh5 13. e3 Nxf4 14. exf4 e3 15. Re1 Bxd4 16. Kh1 Qf7 17. Bf1 Re8 18. Rc1 Bg7 19. Ng2 e2 20. Rxe2 Rxe2 21. Qxe2 Be6 22. b3 Re8 23. Qf2 {Fluit,J (2201)-Knöppel,B (2103) ICCF 2019 1-0 (57)}) 12. Nxf3 Ne4 13. Bf4 a5 (13... Bd7 14. Rc1 h6 15. Nd5 Rc8 16. Qd3 Be6 17. Be3 Bxd5 18. cxd5 Ne7 19. Nh4 Nf6 20. Bd2 Qd7 21. b3 Kh7 22. Bh3 Qe8 23. Bg2 a6 24. a4 Qd7 25. Bh1 {Hryniw,M (2241)-Hildebrand,G (2343) ICCF 2013 0-1 (57)}) 14. e3 Qe7 15. h4 h6 16. Nxe4 fxe4 17. Nd2 g5 18. hxg5 hxg5 {Anderson,G (2306)-Dearnley,A (2335) ICCF 2012 1/2-1/2 (25)}) (7. Bg5 Be7 8. e3 Ng4 9. h3 Nf6 10. g4 fxg4 11. hxg4 Nxg4 12. Bxe7 Nxe7 13. Nxe4 O-O 14. Rg1 Nf6 15. Bd3 Nf5 16. Ng2 Nxe4 17. Bxe4 c6 18. Qd3 Qa5+ {Da-Riva Alonso,J (2206)-Destruels Moreno,F (2307) ICCF 2009 1/2-1/2 (49)}) (7. d5 Ne5 8. f4 Nf7 9. Be3 g6 10. Ng2 Bg7 11. Bd4 c5 12. dxc6 bxc6 13. Qd2 O-O 14. Ne3 Qc7 15. Bg2 Nd8 16. Na4 Qf7 17. Bc3 Nb7 18. O-O Be6 {Troia,E (2237)-Nucci,L (2277) ICCF 2005 1-0 (64)}) (7. f3 exf3 8. Nxf3 Be7 9. Bg2 O-O 10. O-O Ne4 11. Qd3 Nb4 12. Qb1 c6 13. a3 Nxc3 14. bxc3 Na6 15. Qd3 Nc7 16. Rb1 Ne6 17. a4 Qc7 18. Nd2 Bd7 {Bevan,P (1940) -Pyrich,G (2124) ICCF 2016 1/2-1/2 (37)}) 7... Qd7 (7... Be7 8. Ne3 (8. Nf4 O-O 9. Bg2 Qe8 (9... Na5 10. b3 c6 11. d5 Ng4 12. h3 Ne5 13. Qd2 g5 14. Ne6 Bxe6 15. dxe6 Qc8 16. g4 Qxe6 17. gxf5 Rxf5 18. Bxe4 Rf7 19. Rg1 Raf8 20. Qc2 h6 21. Be3 {Roy Laguens,A (2167)-Trs,J (2090) ICCF 2013 1/2-1/2 (26)}) 10. O-O Kh8 11. f3 exf3 12. exf3 Qf7 13. b3 Bd8 14. Re1 Bd7 15. Bb2 Re8 16. Rxe8+ Nxe8 17. Qd2 Bg5 18. Ncd5 Ne7 19. Nxe7 Bxe7 {Cottegnie,F (2354)-De Smet,K (2201) ICCF 2013 1/2-1/2 (54)}) 8... O-O 9. Bg2 Qe8 10. O-O Bd8 11. Nc2 (11. f3 exf3 12. Rxf3 Ne7 13. Qd3 c6 14. Bd2 Kh8 15. Raf1 Qh5 16. b4 Bc7 17. a4 Bd7 18. a5 a6 19. R3f2 Rad8 20. Bf3 Qf7 21. Ng2 d5 22. cxd5 cxd5 {Meißner,R (2213)-Ferre Pérez,A (2131) ICCF 2020 1/2-1/2 (30)}) 11... Ne7 12. f3 exf3 13. exf3 Qf7 14. Qd3 c6 15. Bf4 Be6 16. b3 Bc7 17. Bh3 Qh5 18. Bg2 Ng6 19. Ne2 {Belchev,B (2299)-Savin, V (2323) ICCF 2016 1/2-1/2 (46)}) (7... a6 8. Nf4 (8. Bg5 Be7 9. Nf4 O-O 10. e3 h6 11. Bxf6 Bxf6 12. Be2 Bd7 13. Qb3 Na5 14. Qa3 Nc6 15. h4 Kh7 16. Rc1 Ne7 17. Ncd5 c6 18. Nxf6+ Rxf6 19. Nh5 Rg6 {Overton,D (2440)-Klatt,O (2476) ICCF 2008 1-0 (57)}) 8... Qd7 (8... g6 9. h4 Bd7 10. Nfd5 Nxd5 11. Nxd5 h6 12. e3 Bg7 13. Qb3 Na5 14. Qb4 b6 15. Nf4 Qf6 16. Bd2 Nc6 17. Qb3 a5 18. Nd5 Qd8 19. a4 Ne7 20. Nf4 {Morley,P (2391)-Kireev,V (2217) ICCF 2013 1/2-1/2 (68)}) 9. f3 exf3 10. exf3 g6 11. Bg2 Bg7 12. O-O O-O 13. d5 Ne5 14. Ne6 Re8 15. b3 Bh8 16. Bb2 Nf7 17. Qd2 Nd8 18. Rfe1 Nxe6 19. dxe6 {Zielinski,S (2191)-Sergeyev,O (2233) ICCF 2012 1/2-1/2 (27)}) (7... Bd7 8. Nf4 a6 9. h4 Be7 10. Ncd5 a5 11. Bh3 O-O 12. O-O Nb4 13. Ne3 g6 14. Bd2 Re8 15. d5 Bf8 16. a3 Na6 17. Bxa5 Nc5 18. Bc3 Ba4 19. Qe1 {Brower,W (2119)-Greig,S (2267) ICCF 2015 1/2-1/2 (30)}) (7... g6 8. Bg5 h6 (8... Bg7 9. Nf4 O-O 10. e3 Qd7 11. h4 Ng4 12. Be2 h6 13. Nxg6 hxg5 14. Nxf8 Kxf8 15. hxg5 Qe7 16. Nd5 Qxg5 17. Nxc7 Rb8 18. Nd5 Be6 19. Nf4 Bf7 20. Rh5 {Herriot,B (2113)-Guizar,C (2125) ICCF 2012 1-0 (63)}) 9. Bxf6 Qxf6 10. e3 Qf7 11. Nf4 Bg7 12. Ncd5 O-O 13. c5 g5 14. Bc4 gxf4 15. Ne7+ Nxe7 16. Bxf7+ Kxf7 17. cxd6 cxd6 18. gxf4 Bd7 19. Rg1 {Dziedzic,A (2063)-Pajak,J (2064) ICCF 2015 1/2-1/2 (38)}) 8. Bg5 Be7 9. h4 O-O 10. Nf4 (10. e3 Nd8 11. Be2 b6 (11... Qe8 12. Qb3 a5 13. Bxf6 Bxf6 14. Nd5 Ne6 15. Ngf4 a4 16. Qb4 Bd8 17. Nxe6 Qxe6 18. Nf4 Qf6 19. Kf1 c6 20. Kg2 Bc7 21. b3 a3 22. Rab1 Kh8 23. h5 {Prakash,O (2425)-Mokrys,C (2445) ICCF 2020 1/2-1/2 (37)}) 12. Qb3 c6 13. O-O-O Qe8 14. Bxf6 Bxf6 15. Qc2 c5 16. Nb5 cxd4 17. Nxd4 Be5 18. Nb5 Qe7 19. Nf4 Ne6 20. Kb1 a6 21. Nd5 Qb7 {Hassim,U (2322)-Dessaules,P (2375) ICCF 2018 1/2-1/2 (63)}) 10... h6 11. Bxf6 Bxf6 12. e3 Nd8 13. Be2 c6 14. Ng6 Re8 15. Bh5 (15. Qc2 Qf7 16. Nf4 g6 17. O-O-O h5 18. Kb1 Ne6 19. Nh3 Rb8 20. Rd2 Bd7 21. Rhd1 Red8 22. Ka1 Kg7 23. Qb3 a6 24. Qb6 Be8 25. Na4 Qe7 26. Nc3 Bf7 {Hasselmeyer,A (2485) -Mokrys,C (2499) ICCF 2013 0-1 (40)}) 15... Ne6 16. O-O (16. Qc2 Kh7 17. Ne2 c5 18. O-O-O cxd4 19. exd4 Kg8 20. f3 b5 21. Ne5 Qc7 22. Bxe8 dxe5 23. dxe5 Qxe5 24. Bc6 exf3 25. Nf4 Nxf4 26. Bxa8 Ne2+ 27. Kb1 bxc4 {Hasselmeyer,A (2401) -Rombaldoni,D (2406) ICCF 2018 1-0 (37)}) 16... Nf8 17. Ne2 Qc7 18. Nef4 Ne6 19. Rc1 a5 20. b3 Bd7 21. Rc2 Reb8 22. Nxe6 Bxe6 23. Nf4 {Leonard,A (2441) -Mokrys,C (2440) ICCF 2020 English Opening: Three-Knights Variation}) 3... f5 ( 3... Bc5 4. e3 (4. Nxe5 Bxf2+ 5. Kxf2 Nxe5 6. d4 (6. e3 Qf6+ 7. Kg1 Ne7 8. d4 N5g6 9. Nb5 O-O 10. Nxc7 Rb8 11. Qf3 Qb6 12. Nb5 f5 13. c5 Qf6 14. Bc4+ Kh8 15. h4 a6 16. Nd6 f4 17. h5 Nh4 {Goldsmith,R-Arteaga Hernández,L ICCF 2013 1-0 (39) }) 6... Qf6+ 7. Ke1 Ng4 8. Qd2 Qf2+ 9. Kd1 N8f6 10. h3 Qh4 11. Kc2 Nf2 12. Qe3+ N6e4 13. g3 Qxg3 14. Qxg3 Nxg3 15. Rg1 Nxf1 {McCarthy,M-Guy,D (1572) ICCF 2019 1-0 (27)}) 4... Nf6 (4... Bb4 5. Nd5 e4 6. Nd4 Nxd4 7. exd4 Be7 8. Qg4 g6 9. Qxe4 d6 10. d3 Be6 11. Nxe7 Nxe7 12. d5 Bf5 13. Qd4 Rg8 14. Be2 Bd7 15. Bg5 c5 16. Qh4 {Noriega de la Sierra,A (1985)-Lanca,L (1501) ICCF 2018 1-0}) (4... Qe7 5. Nd5 Qd8 (5... Qd6 6. a3 a5 7. d4 exd4 8. exd4 Ba7 9. Be3 b6 10. Bd3 Nge7 11. Nc3 Ng6 12. Nb5 Qe7 13. O-O d6 14. Re1 O-O 15. Bg5 Qd7 16. Qc2 Ba6 17. Bf5 { Rhodes,L (1815)-Miles,A (1478) ICCF 2018 1-0 (32)}) 6. d4 Bb4+ 7. Nxb4 Nxb4 8. Nxe5 Qe7 9. a3 Nc6 10. Nxc6 dxc6 11. Bd3 Bd7 12. O-O O-O-O 13. b4 Nf6 14. Qc2 Rhe8 15. a4 g6 16. b5 {Levantaci,A-Pennacchia,V ICCF 2019 1-0 (39)}) (4... f6 5. a3 Nge7 6. d4 exd4 7. exd4 Bb6 8. c5 Bxc5 9. dxc5 d5 10. cxd6 Qxd6 11. Qxd6 cxd6 12. Nb5 Kd7 13. Bf4 Ne5 14. Nxe5+ fxe5 15. O-O-O exf4 16. Rxd6+ {Sitorus, Y-Duncan,J ICCF 2015 1-0 (27)}) 5. d4 (5. Nxe5 d6 (5... Nxe5 6. d4 Bxd4 7. exd4 Nc6 8. Bg5 h6 9. Bh4 d6 10. Be2 Qe7 11. O-O Bd7 12. Nd5 Qd8 13. Nxf6+ gxf6 14. f4 Qe7 15. Bf3 O-O-O 16. Re1 Qf8 17. Bxf6 {Garcia Varela,J-Turchenko,A ICCF 2017 1-0 (37)}) 6. Nxc6 bxc6 7. d4 O-O 8. dxc5 d5 9. cxd5 cxd5 10. b4 Bb7 11. Bb2 Qe7 12. Qd4 Rfe8 13. Be2 Rad8 14. b5 c6 15. O-O cxb5 16. Nxb5 Ba6 { Schulenberg,H (2334)-Castel,C ICCF 2019 1-0 (25)}) 5... exd4 6. exd4 Bb4 (6... Qe7+ 7. Be2 Bb4 8. O-O Bxc3 9. bxc3 O-O 10. Bd3 h6 11. Re1 Qd8 12. d5 Ne7 13. d6 cxd6 14. Ba3 Re8 15. Bxd6 Nc6 16. Nd4 Nxd4 17. cxd4 b6 18. Qf3 {Beltins,G (1846)-Costa,H (1660) ICCF 2011 1-0 (25)}) 7. d5 Na5 (7... Ne7 8. Qb3 Bxc3+ 9. Qxc3 d6 10. Bd3 O-O 11. O-O Ng6 12. Re1 Bg4 13. Nd4 Ne5 14. Bc2 h6 15. f4 Ng6 16. f5 Ne5 17. h3 Bh5 18. Bf4 Re8 19. Ba4 {Laine,E (1824)-Mora Collao,F (1287) ICCF 2020 1-0 (33)}) 8. Qe2+ Be7 9. b4 Nxc4 10. Qxc4 O-O 11. Bd3 b6 12. O-O Re8 13. Bf4 d6 14. Rfe1 h6 15. Nd4 {Costa Trillo,V-Navarro Durante,A ICCF 2008 0-1 (32)}) (3... Bb4 4. Nd5 (4. g3 Nge7 5. Bg2 O-O 6. Na4 Nf5 7. O-O d5 8. cxd5 Qxd5 9. d3 Qe6 10. a3 Be7 11. Nd2 b6 12. b4 Rb8 13. Nc3 Bb7 14. Bb2 a5 15. b5 Nd8 {Bartsch,R (2117)-Hjorth,J (1970) ICCF 2016 1-0 (53)}) 4... Bd6 (4... Bc5 5. e3 Nf6 6. d4 exd4 7. exd4 Nxd5 8. dxc5 Qe7+ 9. Be2 Nf6 10. Bf4 Qxc5 11. Bxc7 d5 12. O-O Be6 13. cxd5 Nxd5 14. Bg3 Rd8 15. Rc1 Qb6 16. Qc2 {Vornanen,A (2391) -Vainio,M (1899) ICCF 2009 1-0 (40)}) (4... Be7 5. d3 Nf6 6. e4 d6 7. Be2 h6 8. O-O O-O 9. Bd2 Bg4 10. Bc3 Bxf3 11. Bxf3 b6 12. Qa4 Nxd5 13. cxd5 Nb8 14. Bg4 Qe8 15. Qxe8 Rxe8 16. b4 {Moujan,P (2064)-Miles,A (1478) ICCF 2018 1-0 (32)}) ( 4... e4 5. Nd4 (5. Nxb4 Nxb4 6. Nd4 Nf6 (6... Ne7 7. a3 Nbc6 8. Nxc6 Nxc6 9. d4 d5 10. e3 Be6 11. c5 O-O 12. Bd2 Qg5 13. Qe2 Bg4 14. f3 exf3 15. gxf3 Bf5 16. O-O-O Qf6 17. h4 b6 18. Bc3 {Elwood,D (1705)-Drescher,A (1769) ICCF 2017 0-1 (28)}) 7. a3 (7. d3 O-O 8. Bd2 a5 9. a3 Nc6 10. Nb5 exd3 11. exd3 d5 12. Be2 dxc4 13. dxc4 Qe7 14. O-O Rd8 15. Re1 Ne4 16. Bf1 Bf5 17. Qf3 Nxd2 18. Qxf5 Qd7 {Trs,J (2066)-Jaeger,F (2128) ICCF 2011 1/2-1/2 (28)}) 7... Nc6 8. Nxc6 dxc6 9. Qc2 O-O 10. b4 a5 11. Bb2 Qe7 12. e3 Rd8 13. Be2 axb4 14. axb4 Rxa1+ 15. Bxa1 Qxb4 16. Bxf6 gxf6 {Dumont,G (1626)-Hjorth,J (2070) ICCF 2018 0-1 (29)}) (5. Ng5 Qxg5 (5... Nf6 6. Nxf6+ Qxf6 7. Nxe4 Qe6 (7... Qg6 8. Nc3 O-O 9. h4 h5 10. d3 Re8 11. Bd2 Nd4 12. Ne4 a5 13. e3 d5 14. cxd5 Bg4 15. Qc1 Rxe4 16. Bxb4 axb4 17. dxe4 Qxe4 18. f3 Nxf3+ 19. Kf2 {Rijk,J (2133)-Owens,J (1300) ICCF 2013 0-1 (46)}) 8. Nc3 Qxc4 9. e3 Qc5 10. Be2 d5 11. a3 Bxc3 12. bxc3 Bf5 13. O-O O-O-O 14. a4 Qd6 15. a5 h5 16. d4 h4 17. a6 {Grabowski,B (1940)-Hjorth,J (1970) ICCF 2016 0-1 (56)}) 6. Nxc7+ Kf8 (6... Kd8 7. Nxa8 e3 8. fxe3 Nf6 9. Qb3 Qh4+ 10. g3 Qe4 11. Rg1 Ng4 12. Bg2 Qxe3 13. Qxe3 Nxe3 14. Be4 Re8 15. Bd3 Nd4 16. Rb1 Ng4 17. Rf1 Ne5 18. Bxh7 {Rumyantsev,V (1924)-Opitz,P (2094) ICCF 2011 0-1 (50) }) 7. Nxa8 e3 8. f3 Qh4+ 9. g3 Qxc4 10. Bh3 Ba5 11. a3 Nd4 12. Kf1 d5 13. Bxc8 Qxc8 14. dxe3 Nc6 15. b4 Bd8 16. Qxd5 h5 {Mironchik,A (1870)-Hjorth,J (1985) ICCF 2017 1-0 (28)}) 5... Nxd4 6. Nxb4 Nf6 7. e3 (7. Nd5 d6 8. d3 exd3 9. Qxd3 Ne6 10. Qc3 Ne4 11. Qc2 f5 12. g3 c6 13. Nc3 Nxc3 14. Qxc3 b6 15. Bg2 Bb7 16. b3 O-O 17. Bb2 Qe7 18. Rd1 f4 {Owen,K (2363)-Sikorsky,H (2469) ICCF 2012 1/2-1/ 2}) 7... Nc6 8. Nxc6 dxc6 9. d4 Qd7 (9... exd3 10. Bxd3 Ng4 11. Qc2 Qh4 12. h3 Ne5 13. Be2 O-O 14. O-O Re8 15. f4 Ng6 16. Kh2 Ne7 17. Bd3 c5 18. b3 Bd7 19. Bb2 Nc6 20. Rad1 Bg4 21. Bxh7+ {Fedukin,A (2098)-Hjorth,J (1936) ICCF 2017 1-0 (31)}) 10. Bd2 O-O 11. Be2 Qf5 12. O-O Qg6 13. Kh1 Bg4 14. f3 Bf5 15. Qe1 Rad8 16. Rd1 Rfe8 17. Rg1 Be6 18. Qh4 h6 19. Be1 b5 20. cxb5 cxb5 21. b3 Bd7 { Bartsch,R (2117)-Köstner,W (2270) ICCF 2016 1/2-1/2 (49) 0-1 (9) Malelak,J (2073)-Bontems,C (2205) ICCF 2019 English Opening: Three-Knights Variation}) 5. d4 (5. g3 Nf6 6. Bg2 O-O 7. O-O Nxd5 (7... Re8 8. d3 a5 9. Bg5 Be7 10. Bxf6 Bxf6 11. e3 d6 12. Nd2 Nb4 13. Nxb4 axb4 14. Qb3 c6 15. Qxb4 Bd7 16. c5 d5 17. e4 Bc8 18. a4 Re7 19. exd5 {Belchev,B (2352)-Monov,A (2234) ICCF 2011 1/2-1/2 (43)}) 8. cxd5 Nd4 9. Nh4 Be7 10. e3 Bxh4 11. exd4 Bf6 12. dxe5 Bxe5 13. d4 Bd6 14. Bd2 f5 15. Re1 b6 16. Rc1 a5 {Szerlak,A (2357)-Degtyaryov,S (2332) ICCF 2018 1-0 (44)}) 5... Nge7 6. c5 (6. Nxe7 Bb4+ 7. Nd2 Bxe7 8. d5 Nb8 9. e4 d6 10. Nf3 O-O 11. Bd3 Bg4 12. h3 Bxf3 13. Qxf3 Bg5 14. Qg4 Bxc1 15. Rxc1 Nd7 16. Rc3 a5 17. b3 g6 {Cannon,A (2263)-Voveris,G (2146) ICCF 2012 1/2-1/2 (76)}) 6... Nxd5 7. cxd6 e4 8. Qb3 Nf6 9. Ng5 O-O 10. d5 Ne5 11. Qc2 cxd6 12. Nxe4 Nxe4 13. Qxe4 b6 14. e3 f5 15. Qd4 {Nigrin,J (2159)-Struzka,V (2248) ICCF 2014 1/2-1/2}) (3... g6 4. d4 (4. e3 f5 5. d4 e4 6. Ng1 Bg7 7. Nh3 Nf6 8. Nf4 d6 9. Be2 O-O 10. h4 Ne7 11. h5 c5 12. hxg6 Nxg6 13. Nxg6 hxg6 14. Bd2 Qb6 15. Na4 Qc6 {Beck,G (2223)-Moret,F ICCF 2010 1/2-1/2 (39)}) 4... Bg7 (4... exd4 5. Nxd4 (5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nc3 Qa5 9. Qd2 Qc5 10. Rd1 Qxc4 11. e4 Qxd4 12. Qxd4 Bxd4 13. Rxd4 f6 14. Bd2 b6 15. Bc4 g5 16. f4 gxf4 {Garriga Nualart,J (2405)-Juarez,G (2117) ICCF 2012 1-0 (33)}) 5... Bg7 (5... Ne5 6. e4 d6 7. Be2 Bg7 8. O-O Ne7 9. f4 N5c6 10. Be3 f5 11. exf5 Nxf5 12. Nxc6 bxc6 13. Bf2 O-O 14. Qd2 Ba6 15. Rad1 c5 16. Bf3 Rb8 17. b3 {Caissa,P-Arkefeldt,F ICCF 2011 1-0 (48)}) 6. Nxc6 (6. e3 a6 {1/2-1/2 (6) Abolins,I (1908)-Jokmin,G (1904) ICCF 2015}) 6... bxc6 (6... dxc6 7. Qxd8+ Kxd8 8. Bg5+ Ke8 9. e4 Be6 10. O-O-O Bxc3 11. bxc3 c5 12. Be2 h6 13. Bf4 Rc8 14. Rhf1 Ke7 15. g4 Nf6 16. e5 Nd7 17. Be3 g5 18. f4 {Moujan,P (2010)-Lund,S (2006) ICCF 2019 1-0 (33)}) 7. g3 (7. e4 Rb8 (7... Qe7 8. Bd3 Nf6 9. O-O O-O 10. Be3 d6 11. h3 Nd7 12. Qd2 Nc5 13. b4 Nxd3 14. Qxd3 f5 15. Bd4 Bxd4 16. Qxd4 f4 17. f3 Qg5 18. Kh1 Be6 19. Rfd1 { Skula,J (1941)-Müßig,F (2072) ICCF 2013 1-0 (55)}) 8. Bd3 d6 9. O-O Nf6 10. Qc2 O-O 11. Bf4 Ng4 12. Qd2 f5 13. exf5 Bxf5 14. Bxf5 Rxf5 15. Bg3 Nf6 16. f3 Nh5 17. Bf2 Nf4 18. Kh1 Qg5 {Sifré Calafat,F (2039)-Vriens,H (2060) ICCF 2017 0-1 (43)}) (7. g4 Qe7 8. Bg2 Qb4 9. Qb3 Rb8 10. O-O Ne7 11. Bf3 a6 12. Qxb4 Rxb4 13. c5 Rc4 14. e4 Rxc5 15. Be3 Ra5 16. a3 d6 17. Bd2 Re5 18. b4 f5 {Markoja, J-Oreopoulos,K ICCF 2009 0-1 (58)}) 7... Ne7 (7... Rb8 8. Qc2 d6 9. Bg2 Ne7 10. O-O h5 11. Bg5 Bf5 12. e4 Bd7 13. c5 Rb4 14. a3 Rb8 15. Rad1 Be6 16. b4 a5 17. b5 cxb5 18. Rfe1 O-O 19. e5 {Abramov,S (2236)-Lenz,J ICCF 2011 1-0 (28)}) 8. Bg2 (8. Bg5 h6 9. Bf4 Rb8 10. Qd2 d5 11. O-O-O d4 12. h4 Ba6 13. Na4 Bxc4 14. e4 Bxf1 15. Rhxf1 Rb5 16. Kb1 O-O 17. b3 Nc8 18. Bxh6 Bxh6 19. Qxh6 Qe7 { Mironchik,A (1870)-Tödter,H (2179) ICCF 2017 1/2-1/2 (36)}) 8... O-O 9. O-O Rb8 (9... d6 10. Bg5 Rb8 (10... Bd7 11. Qd2 Rb8 12. b3 Qe8 13. c5 Nf5 14. cxd6 Nxd6 15. Rac1 f5 16. Be3 a5 17. Na4 Nb7 18. Bf4 Rf7 19. Bxc7 Ra8 20. Nb6 Ra7 21. Rfd1 Be6 22. Bxc6 {Biedermann,T (2437)-Aiken,R (1998) ICCF 2012 1-0 (30)}) 11. Qd2 f6 (11... c5 12. b3 Qe8 13. Rae1 f6 14. Bf4 Bb7 15. Bxb7 Rxb7 16. f3 Qf7 17. Kg2 Nc6 18. e4 Rbb8 19. Nd5 Rbe8 20. Be3 a6 21. h3 a5 22. Re2 Ra8 23. Rb1 { Benes,J (2107)-Nigrin,J (2171) ICCF 2013 1/2-1/2 (56)}) 12. Bf4 c5 13. Rad1 Bb7 14. e4 Nc6 15. b3 Nd4 16. Rfe1 Qd7 17. Nd5 Rbd8 18. Be3 c6 19. Nf4 f5 20. Bxd4 Bxd4 21. exf5 {Girard,E-Scholz,G (2141) ICCF 2008 1-0 (29)}) 10. Qc2 (10. Qa4 d6 11. Qc2 Bb7 12. e3 c5 13. b3 Bxg2 14. Kxg2 Qc8 15. Bb2 Qb7+ 16. f3 Rbe8 17. Qd2 f5 18. Rae1 Rf7 19. h4 Be5 20. Rh1 h6 21. Rhf1 Kh7 {Zielinski,S (2321) -Jones,I (2221) ICCF 2016 1/2-1/2 (31)}) (10. Qd2 Re8 11. Rd1 d6 12. b3 c5 13. Bb2 Bb7 14. Bxb7 Rxb7 15. Na4 Qc8 16. Bxg7 Kxg7 17. Qc3+ f6 18. Qf3 Rb8 19. Nc3 h5 20. Rd3 Qb7 21. Qxb7 Rxb7 {Rogos st.,J-Lukesova,M ICCF 2009 1/2-1/2 (59)}) 10... c5 11. b3 Bb7 12. Bb2 Bxg2 (12... d6 13. Rad1 (13. Bxb7 Rxb7 14. Rad1 Qc8 15. Qd2 Re8 16. e3 h5 17. Ne4 Qe6 18. Ng5 Qd7 19. Ne4 Qf5 20. f3 Nc6 21. Bxg7 Kxg7 22. Nc3 Qd7 23. Rde1 {1/2-1/2 (23) Kudr,R (2388)-Krzyzanowski,A (2382) ICCF 2020}) (13. Ne4 Nc6 14. e3 Bxb2 15. Qxb2 Ne5 16. Qe2 f5 17. Nc3 Bxg2 18. Kxg2 Qc8 19. Qd2 Qb7+ 20. Qd5+ Qxd5+ 21. Nxd5 Rf7 22. Rfe1 Re8 23. Rad1 Ng4 24. h3 Nf6 {Fernández Ballón,A (2381)-Hausdorf,H (2250) ICCF 2009 1/2-1/2 (25)}) 13... Qc8 14. e4 Nc6 15. Nd5 Qd8 16. Bxg7 Kxg7 17. Qd2 Nd4 18. Nf4 Re8 19. Rde1 Ba8 20. Ne2 Nc6 21. f4 f6 22. h4 Qd7 23. f5 Re5 24. g4 {Jónsson,K (2287) -Hjaltason,G (2144) ICCF 2013 1-0 (44)}) 13. Kxg2 d6 14. Rad1 f5 15. e3 Qd7 16. Rfe1 {1/2-1/2 (16) Yakovlev,O (2361)-Mannanov,R (2310) ICCF 2015 English Opening: Three-Knights Variation}) 5. e3 Nge7 6. d5 e4 7. Nxe4 Ne5 8. Nxe5 Bxe5 9. d6 cxd6 10. Nxd6+ Bxd6 11. Qxd6 O-O 12. Bd2 Nf5 13. Qf4 d5 14. O-O-O Be6 15. Bc3 {Gulbis,H (2085)-Pandel,B ICCF 2017 1-0}) (3... Nge7 4. b4 (4. e3 d5 5. d4 Bg4 6. Be2 e4 7. cxd5 exf3 8. gxf3 Bh3 9. dxc6 Nxc6 {0-1 (9) Cordel,Y-Cornu,C ICCF 2009}) (4. d4 Nf5 5. d5 Na5 6. e4 Ne7 7. b4 Nxc4 8. Bxc4 Ng6 9. d6 c6 10. Ng5 Bxd6 11. Qxd6 h6 12. Bxf7# {1-0 (12) O'Neill-MCAleenan,C (2068)-Heineccius, A (1523) ICCF 2016}) 4... d5 5. b5 Nd4 6. Nxe5 Qd6 7. Nf3 Nxf3+ 8. gxf3 dxc4 9. Qa4 Be6 10. Bb2 Ng6 11. Rc1 Qd7 12. Rg1 f6 13. e3 Be7 14. Bxc4 Bxc4 15. Qxc4 { Guffogg,C-Lloyd,G (2258) ICCF 2006 0-1 (49)}) (3... Nd4 4. e3 Bb4 5. Nxe5 Nf5 6. Qf3 Ngh6 7. Nd5 a5 8. g4 Nh4 9. Qe4 c6 10. Nxc6+ Kf8 11. Nxd8 f5 12. gxf5 d6 13. Qe7+ Kg8 14. Qe8# {1-0 (14) Harris,S (1593)-Magill,R (1321) ICCF 2016}) ( 3... b6 4. d4 f6 5. d5 Nb4 6. a3 Na6 7. b4 c6 8. d6 g5 9. e3 Nh6 10. Be2 Nf5 11. Nxe5 fxe5 12. Bh5# {1-0 (12) Ridout,P (1445)-Thorgren,S ICCF 2019}) (3... h6 4. d4 exd4 5. Nxd4 Be7 6. e4 Nf6 7. Be2 O-O 8. O-O Bd6 9. Be3 Re8 10. Qd3 Ne5 11. Qd2 Bc5 12. Nc2 Bxe3 13. Qxe3 d6 14. f4 Ng6 15. g3 {Belchev,B (2320) -Golemanov,B (1852) ICCF 2016 1-0 (40)}) 4. d4 (4. d3 Nf6 5. Bg5 (5. a3 d5 6. cxd5 Nxd5 7. Qb3 Nb6 8. g3 Qf6 9. Bg2 Be6 10. Qc2 Bd6 11. Nb5 O-O 12. Ng5 Bd7 13. O-O h6 14. Nf3 Be6 15. Nd2 a6 16. Bxc6 bxc6 {Alberny,M (2119)-Morin,S (2263) ICCF 2019 0-1 (41)}) (5. g3 Bc5 6. Nxe5 Nxe5 7. d4 Qe7 8. Bg2 Nxc4 9. dxc5 Qxc5 10. O-O c6 11. Bg5 d5 12. b3 Nb6 13. Bxf6 gxf6 14. Rc1 Qe7 15. e3 O-O 16. Ne2 Bd7 {Martins Barriga,F (2210)-Zárate,J (2361) ICCF 2007 1/2-1/2 (47)}) 5... Bb4 (5... Be7 6. Bxf6 Bxf6 7. g3 O-O 8. Bg2 Nd4 9. O-O Nxf3+ {0-1 (9) Morera Morera,J (1800)-Guizar,C (1995) ICCF 2020}) 6. a3 (6. Qc2 O-O 7. a3 Bxc3+ 8. Qxc3 h6 9. Bxf6 Qxf6 10. e3 d6 11. Be2 Qg6 12. g3 Bd7 13. Nh4 Qf7 14. Nf3 f4 15. exf4 exf4 16. O-O Rae8 17. Rae1 Rxe2 {Matos,V (1472)-Sevillano Leal, J ICCF 2020 0-1}) 6... Bxc3+ 7. bxc3 O-O (7... h6 8. Bd2 d6 9. g3 O-O 10. Bg2 Qe8 11. O-O b6 12. Ne1 Bb7 13. Nc2 Na5 14. Bxb7 Nxb7 15. f3 Qe6 16. e4 Nc5 17. Qe2 Rae8 18. Rab1 Rf7 19. Be3 {Heilala,T (2188)-Degtyaryov,S (2272) ICCF 2017 1/2-1/2 (34)}) 8. e3 d6 9. Be2 h6 10. Bxf6 Qxf6 11. Qd2 Be6 12. O-O g5 13. d4 e4 14. Ne1 Ne7 15. f3 d5 {Rice,R (1664)-Albesa,A (1674) ICCF 2008 0-1 (34)}) ( 4. e4 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Bd3 d6 (7... Bc5 8. Be4 d6 9. O-O O-O 10. d3 Bg4 11. h3 Bh5 12. Be3 Nd4 13. Bxd4 Bxd4 14. Bxb7 Rab8 15. Bd5+ Kh8 16. g4 Bf7 17. Bxf7 Rxf7 18. Nxd4 exd4 19. Rb1 {Schmidt,K (2119)-Ferre Pérez,A (2141) ICCF 2018 1/2-1/2 (30)}) 8. Be4 Bf5 9. Qe2 Be7 10. d3 Qg6 11. O-O O-O 12. Bd2 Bf6 13. Rae1 Rf7 14. Qd1 Raf8 15. Bxf5 Qxf5 {Fuentes Arjona,A (2191) -Sergeev,V (2408) ICCF 2010 0-1 (56)}) (4. e3 Nf6 5. Be2 Bb4 (5... e4 6. Ng5 Bb4 7. d4 exd3 8. Qxd3 d6 9. Bd2 O-O 10. O-O h6 11. Nf3 a5 12. a3 Bxc3 13. Bxc3 Ne4 14. b3 Nxc3 15. Qxc3 Qf6 16. Qxf6 Rxf6 17. Nd4 {Enguidanos Gimeno,S (2069) -Ferre Pérez,A (2200) ICCF 2019 1/2-1/2}) 6. Qc2 (6. d4 Bxc3+ 7. bxc3 d6 8. Ba3 e4 9. Nd2 O-O 10. c5 d5 11. O-O Qe8 12. Rb1 Rb8 13. Re1 Qg6 14. c4 Be6 15. cxd5 Nxd5 16. Qc2 Rf6 17. Bb5 Rd8 {Tanabe,K (2081)-De Smet,K (2181) ICCF 2017 1/2-1/ 2 (27)}) 6... d6 7. O-O O-O 8. d4 Bxc3 9. Qxc3 e4 10. Nd2 a5 11. Nb1 Qe8 12. b3 Bd7 13. Qd2 Qg6 14. f4 exf3 15. Bxf3 Ne4 {Oliveira,M (2442)-Quiñones Borda,J (2411) ICCF 2018 1/2-1/2 (36)}) 4... e4 (4... d6 5. d5 e4 6. dxc6 exf3 7. cxb7 Bxb7 8. exf3 Nf6 9. Qb3 Bc6 10. Bd3 g6 11. O-O Bg7 12. Re1+ Kf7 13. Nb5 Qd7 14. Bg5 Rhb8 15. Qa3 h6 16. Bd2 {Monakhov,A-Galbiati,A ICCF 2013 1-0 (35)}) (4... exd4 5. Nxd4 d6 6. Nxc6 bxc6 7. e4 fxe4 8. Nxe4 Nf6 9. Bd3 Be7 10. O-O O-O 11. Qc2 h6 12. Ng3 Ng4 13. Qe2 d5 14. h3 Nf6 15. Bf4 Rb8 16. b3 {Llompart Flexas,G (2129)-Rajala,O (2038) ICCF 2012 0-1 (44)}) 5. Ng5 (5. d5 exf3 6. dxc6 fxg2 7. cxd7+ (7. Bxg2 dxc6 8. Qxd8+ Kxd8 9. Bg5+ Ke8 10. O-O-O Bd6 11. Be3 Kf7 12. Bd4 Nf6 13. h3 Be6 14. b3 Ba3+ 15. Kc2 Rhd8 16. Be5 Bd6 17. Bd4 a5 18. a4 Rd7 { Oats,A (2101)-Smit,F (2063) ICCF 2013 0-1 (47)}) 7... Qxd7 8. Qxd7+ Bxd7 9. Bxg2 c6 (9... O-O-O 10. Be3 (10. Bf4 Be6 11. Nb5 Bb4+ 12. Kf1 Bxc4 13. Rc1 Ba5 14. Bxb7+ Kxb7 15. Rxc4 Rd7 16. Nxa7 Kxa7 17. Ra4 {1-0 (17) Tudor,V (1400) -Figueiredo Fogaca,M (1726) ICCF 2009}) (10. Bg5 Be7 11. Bxe7 Nxe7 12. O-O-O Be6 13. Bd5 Bxd5 14. cxd5 Rhe8 15. Rhg1 g6 16. h4 Rd6 17. f3 c6 18. dxc6 Rxd1+ 19. Rxd1 Nxc6 20. b3 Rd8 21. Nd5 Re8 {Delrieu,J (2045)-Charpentier,D (1881) ICCF 2013 1/2-1/2 (32)}) 10... Nf6 11. O-O-O Bb4 12. Kc2 Ng4 13. Nd5 Nxe3+ 14. Nxe3 Rhe8 15. Bf3 Bc5 16. Rhg1 g6 17. Rgf1 Bxe3 18. fxe3 Rxe3 19. Rd3 Rxd3 20. exd3 c5 21. Re1 {Dumont,G (1626)-Moran,R (1857) ICCF 2018 0-1 (31)}) 10. Be3 ( 10. Bf4 Bc5 11. Rd1 Nf6 12. O-O O-O-O 13. Na4 Be7 14. b3 Rhe8 15. e3 Bb4 16. Bd6 Bxd6 17. Rxd6 f4 18. exf4 Nh5 19. Rfd1 Bf5 20. Rxd8+ Rxd8 21. Rxd8+ Kxd8 { Sacharewicz,K-Pajak,J (2064) ICCF 2015 0-1 (48)}) (10. O-O Nf6 11. Be3 Be7 12. Rad1 Be6 {1/2-1/2 (12) Vrbica,L (2269)-Belák,S (2272) ICCF 2017}) 10... Nf6 11. c5 (11. Bd4 Kf7 12. c5 Be6 13. b4 Be7 14. e3 Rhd8 15. a4 a5 16. b5 Rab8 17. Rg1 g6 18. Rc1 Nd7 19. Nd1 cxb5 20. axb5 Rdc8 21. c6 bxc6 22. bxc6 a4 {Zeiske,W (2106)-Oger,C (2364) ICCF 2012 0-1 (36)}) (11. h3 Be6 12. b3 Bb4 13. Kd2 f4 14. Bxf4 Bf5 15. Bc7 Rc8 16. Be5 Rd8+ 17. Ke1 Nd7 18. a3 Ba5 19. b4 Nxe5 20. bxa5 Rd4 21. Nd1 a6 22. Ne3 O-O {Rijk,J (2122)-Baumgartner,M (2214) ICCF 2011 0-1 (61)}) (11. O-O-O Ng4 12. Bd4 c5 13. Be3 Nxe3 14. fxe3 O-O-O 15. Rd3 Be7 16. Rhd1 Be6 17. Bd5 Bxd5 18. Nxd5 Bd6 19. h4 g6 20. h5 g5 21. Nf6 Be5 22. Nd7 Bh2 {Lagergren,H (2017)-Murlasits,M (2200) ICCF 2009 1/2-1/2 (36)}) 11... Be7 12. Bd4 Be6 13. e3 Kf7 14. Rg1 Nd7 15. b4 Rhd8 16. a3 a5 {Ryska,J (1841)-Dolezal,P (1806) ICCF 2011 1/2-1/2}) (5. Nd2 Nf6 6. e3 g6 (6... d6 7. Be2 a5 8. O-O g6 9. a3 Bg7 10. b3 O-O 11. Bb2 b6 12. Qc2 Bd7 13. Rae1 Qe7 14. Nd5 Qd8 15. Nc3 Qe7 16. Kh1 Rae8 17. Nd5 Qd8 18. Rc1 {Belchev,B (2152)-Stefanov,P (2285) ICCF 2020 1/2-1/2}) 7. Be2 (7. a3 d6 8. b4 Bg7 9. Be2 Be6 10. O-O Bf7 11. f3 exf3 12. Nxf3 Qe7 13. Ng5 Bg8 14. Bd2 O-O-O 15. b5 Na5 16. Qa4 b6 17. Nf3 Bh6 18. Nd1 Kb8 {Teipel,T (2067)-Ribeiro,J ICCF 2012 1-0 (27)}) 7... Bg7 8. O-O O-O 9. Rb1 a5 10. a3 d5 (10... Ne7 11. d5 d6 12. Nb3 c5 13. dxc6 bxc6 14. Nd4 Ne8 15. b3 Nc7 16. Bb2 Ne6 17. Na4 Qc7 18. Nxe6 Bxe6 19. Bxg7 Kxg7 20. Qd4+ Kg8 21. Rfd1 Nc8 22. f3 {Beck,G (1940)-Bontems,C (2055) ICCF 2012 1/2-1/2 (31)}) (10... d6 11. b4 (11. b3 Ne7 12. Bb2 c6 13. Re1 Be6 14. Nf1 Qc7 15. h3 d5 16. Qd2 Rad8 17. a4 Bh6 18. Bc1 Rf7 19. Rd1 g5 20. cxd5 Nexd5 21. Nxd5 Nxd5 22. Bc4 f4 { Beck,G (1979)-Ibanez,T (1857) ICCF 2014 1-0 (25)}) 11... axb4 12. axb4 Qe7 13. b5 Nd8 14. Bb2 Bh6 15. g3 Nf7 16. Qc2 Ng5 17. h4 Nf7 18. Nd5 Nxd5 19. cxd5 g5 20. h5 f4 21. Qxe4 Qxe4 22. Nxe4 {Golovko,E (2311)-Zakharov,A ICCF 2009 1/2-1/ 2 (68)}) 11. b3 (11. b4 axb4 12. axb4 Be6 13. b5 Ne7 14. Qb3 Re8 15. Bb2 dxc4 16. Bxc4 Ned5 17. Ra1 Qd6 18. g3 Kh8 19. Ba3 Qd7 20. Bb2 Qd6 21. Ba3 Qd7 22. Bb2 Qd6 {Beck,G (1879)-Morin,S (2267) ICCF 2020 1/2-1/2}) (11. Qc2 Ne7 12. h3 c6 13. Rd1 g5 14. Nf1 Ng6 15. cxd5 cxd5 16. Bd2 f4 17. exf4 gxf4 18. Nh2 f3 19. gxf3 Nh5 20. Nxd5 Bxh3 21. Nc3 Ngf4 22. Bxf4 Nxf4 {Beck,G (1882)-Garau,B (2272) ICCF 2015 0-1}) 11... Ne7 12. a4 c6 13. Ba3 Rf7 14. Rc1 f4 15. exf4 Nf5 16. cxd5 cxd5 {Beck,G (1879)-Morin,S (2267) ICCF 2020 1/2-1/2 (28)}) (5. Ne5 Nf6 ( 5... Bb4 6. Nxc6 (6. Bd2 Nxe5 7. dxe5 Qe7 8. a3 Ba5 9. b4 Bb6 10. c5 Bxc5 11. Nd5 Qd8 12. bxc5 c6 13. Ne3 Ne7 14. Qb3 b6 15. Nc4 Nd5 16. Nd6+ Kf8 17. cxb6 axb6 {Arnold,E (1991)-Illingworth,J ICCF 2016 1-0}) (6. Bf4 Nf6 7. e3 Ne7 8. Qa4 (8. c5 Ned5 9. Qb3 d6 10. Bg5 dxe5 11. dxe5 c6 12. exf6 gxf6 13. Bh4 Qa5 14. Bc4 Nxc3 15. O-O Nd5 16. Rfc1 Be6 17. a3 Kf7 {1/2-1/2 (17) Valente, D-St-Pierre,B (2280) ICCF 2014}) 8... a5 9. c5 Nfd5 10. Bc4 b5 11. cxb6 Nxb6 12. Qb3 Nxc4 13. Qxc4 Rf8 14. Bg5 Ba6 15. Qb3 c6 16. Qc2 Qc7 17. Bxe7 Kxe7 { Vötter,H (2433)-Rodi Maletich,L (2429) ICCF 2008 0-1 (61)}) 6... bxc6 (6... dxc6 7. Qb3 a5 8. a3 Be7 9. e3 c5 10. d5 Nf6 11. Be2 Bd7 12. O-O a4 13. Qd1 Bd6 14. b3 axb3 15. Qxb3 Be5 16. Bb2 O-O 17. h3 Qe8 18. Rfe1 {Beck,G (1902)-Nguyen, M (1949) ICCF 2019 1/2-1/2}) 7. e3 Nf6 8. Be2 Be7 9. O-O O-O 10. Rb1 a5 11. b3 Qe8 12. g3 Qg6 13. h4 Bb4 14. Na4 d5 15. Kg2 Be7 16. Nc3 Bb4 17. Na4 { Rumyantsev,V (2134)-Balta,M (2104) ICCF 2017 1/2-1/2}) (5... Nxe5 6. dxe5 c6 7. Bf4 Ne7 8. Qd2 Ng6 9. e3 Qe7 10. O-O-O Nxe5 11. Qd4 Ng4 12. Rd2 Qf6 13. f3 Qxd4 14. exd4 Nf6 15. fxe4 fxe4 16. Bg3 d6 17. d5 {Jaeger,F (2128)-De Smet,K (2186) ICCF 2011 1/2-1/2 (37)}) 6. Bg5 (6. e3 Bb4 7. Bd2 Nxe5 8. dxe5 Ng4 9. a3 Be7 10. Nxe4 Nxe5 11. Ng3 O-O 12. f4 Nc6 13. Bd3 d6 14. O-O Bf6 15. Qc2 g6 16. Rae1 Be6 17. e4 Nd4 {Sifré Calafat,F (2007)-Beltrán Seguer,J (1846) ICCF 2018 1/2-1/ 2 (30)}) 6... Be7 (6... Bb4 7. e3 O-O 8. Qb3 Bxc3+ 9. Qxc3 d6 10. Nxc6 bxc6 11. Be2 Qe8 12. O-O h6 13. Bh4 g5 14. Bg3 Nh5 15. Qa5 Nxg3 16. hxg3 Qf7 17. Rac1 Qg7 18. f3 {McCarthy,M-Flew,N ICCF 2019 1/2-1/2 (35)}) (6... Bd6 7. Nxc6 dxc6 8. e3 Be6 9. Qb3 Rb8 10. Qa4 O-O 11. c5 Be7 12. Bxf6 Bxf6 13. Bc4 Qe7 14. O-O Bxc4 15. Qxc4+ Qf7 16. Qxf7+ Kxf7 17. Rfc1 {1/2-1/2 (17) Williams,J (1997) -Abramov,G (2198) ICCF 2012}) 7. e3 d6 8. Nxc6 bxc6 9. Qa4 (9. Be2 O-O 10. O-O Bd7 11. b4 (11. Bf4 a5 12. a3 Qe8 13. b4 axb4 14. axb4 Rxa1 15. Qxa1 Nh5 16. Bxh5 Qxh5 17. Qa7 Rc8 18. c5 Qe8 19. Ra1 Qf7 20. h3 Be6 21. Qb7 Bd7 22. Ra7 dxc5 {McCarthy,M-Steenlandt,A (1686) ICCF 2018 1-0 (31)}) 11... Ne8 12. Bxe7 Qxe7 13. c5 d5 14. Qd2 Qh4 15. f3 exf3 16. Rxf3 Nf6 17. Raf1 Ng4 18. h3 Nf6 19. a4 Ne4 20. Nxe4 fxe4 {Tienhoven,R (2360)-Cardelli,G (2526) ICCF 2006 1/2-1/2 (32)}) 9... Bd7 10. c5 Nd5 11. Bxe7 Qxe7 12. cxd6 cxd6 13. Nxd5 cxd5 14. Bb5 Rb8 15. Bxd7+ Qxd7 16. Qxd7+ Kxd7 {Richards,J (1895)-Kireev,V (2212) ICCF 2009 0-1 (41)}) (5. Bg5 Be7 6. Bxe7 Qxe7 (6... Ngxe7 7. Nd2 Nxd4 8. Ndxe4 Nec6 9. e3 fxe4 10. exd4 O-O 11. Qd2 Qf6 12. Nxe4 Qxd4 13. Qxd4 Nxd4 14. O-O-O Ne6 15. c5 b6 16. Bc4 Kh8 17. Bd5 Rb8 18. Bxe6 {Stevens,M (1897)-Schutte,F (1825) ICCF 2014 1/2-1/2}) 7. Nd2 e3 8. fxe3 Nf6 9. Nd5 Nxd5 10. cxd5 Nb4 11. Qb3 c6 12. d6 Qxd6 13. g3 Qe7 14. Bg2 d5 15. O-O a5 16. a3 Na6 {Eldridge,M (2389)-Grayland,S (2388) ICCF 2013 1/2-1/2}) (5. Ng1 b6 (5... Nf6 6. e3 d5 7. cxd5 Nxd5 8. Bb5 Be6 9. Qa4 Qd7 10. Bxc6 bxc6 11. a3 Be7 12. Nge2 O-O 13. O-O Nb6 14. Qc2 Bd6 15. Bd2 Rab8 16. f4 Nc4 17. Rfb1 {Zarges,R (2184)-Vecchio,R (1740) ICCF 2017 1-0 (42)}) 6. Nh3 Nf6 7. e3 a5 8. Be2 Ba6 9. O-O Bd6 10. b3 Qe7 11. f3 O-O 12. fxe4 Nxe4 13. Nxe4 fxe4 14. Rxf8+ Qxf8 15. Bb2 Qe7 16. Qd2 Nb4 {Belchev,B (2308)-Rivas Romero,G (2126) ICCF 2015 1/2-1/2 (44)}) 5... Bb4 (5... Nf6 6. e3 (6. g3 Be7 7. e3 d5 8. Qb3 Na5 9. Qb5+ c6 10. Qa4 Bd7 11. c5 b5 12. Qc2 h6 13. Nh3 Be6 14. Nf4 Bf7 15. Be2 Qc7 16. b3 Nb7 17. Bd2 a5 {Drobyshevsky,V-Ustiugov, B ICCF 2019 1/2-1/2 (38)}) 6... h6 (6... Bb4 7. Bd2 a5 (7... O-O 8. Be2 Bxc3 9. Bxc3 d5 10. Nh3 Kh8 11. Nf4 a5 12. O-O Ne7 13. Qd2 b6 14. b4 axb4 15. Bxb4 Re8 16. Rfc1 Qd7 17. c5 bxc5 18. Rxc5 Ba6 19. Rac1 {Sifré Calafat,F (2039)-Mataix Arbona,C (1954) ICCF 2017 1-0 (56)}) 8. a3 Bxc3 9. Bxc3 d5 10. cxd5 Nxd5 11. Nh3 Qh4 12. g3 Qh6 13. Nf4 Nce7 14. Rc1 c6 15. Bc4 O-O 16. Qb3 Qd6 17. Bd2 Rd8 18. Nxd5 {Fedukin,A (2148)-Lanin,B (2042) ICCF 2020 1/2-1/2}) (6... Be7 7. Be2 O-O 8. Bd2 (8. O-O Kh8 9. Bd2 d5 10. f3 exf3 11. Nxf3 Be6 12. Ng5 Bg8 13. Rf4 Ne8 14. Nh3 dxc4 15. Rf1 a6 16. Bf3 Qd7 17. Qe2 Nf6 18. Bxc6 bxc6 19. Na4 Rab8 {Reede,A (1993)-De Smet,K (2186) ICCF 2011 0-1 (62)}) 8... b6 9. O-O Ba6 10. Nh3 Re8 11. a3 Qc8 12. b4 Bb7 13. Qb3 Nd8 14. Rfc1 Nf7 15. c5 bxc5 16. bxc5 Ba6 17. Ng5 Rf8 18. Nb5 {Nigrin,J (2124)-Pedrosa,P (1915) ICCF 2017 1-0 (34)}) 7. Nh3 g5 8. Ng1 (8. Be2 Bb4 (8... Bg7 9. Bd2 d6 10. O-O O-O 11. f3 exf3 12. Bxf3 g4 13. Bxc6 bxc6 14. Nf4 Bd7 15. Qc2 Qe8 16. b3 h5 17. Qd3 Qf7 18. Rab1 Rfe8 19. b4 a6 20. a4 {Semmelroth,H (2347)-Sánchez Ródenas,A (2373) ICCF 2009 1/2-1/ 2 (70)}) 9. Bd2 Bxc3 10. Bxc3 d5 11. Qb3 Rb8 12. cxd5 Nxd5 13. Bh5+ Ke7 14. f3 exf3 15. Bxf3 Be6 16. O-O Qd6 17. Nf2 g4 18. Bxd5 Bxd5 19. Qc2 g3 {Shatkovsky, V (2275)-Abramov,G (2132) ICCF 2011 1/2-1/2 (48)}) (8. Bd2 d6 9. Ng1 Ne7 10. h4 Ng6 11. hxg5 hxg5 12. Rxh8 Nxh8 13. f3 Qe7 14. fxe4 fxe4 15. Nd5 Nxd5 16. cxd5 Nf7 17. Rc1 Kd8 18. Qh5 Bf5 19. Nh3 Qf6 {Anreiter,A (2216)-Arounopoulos,S (2306) ICCF 2013 1/2-1/2 (36)}) 8... Ne7 (8... d5 9. cxd5 Nxd5 10. Qh5+ Ke7 11. h4 g4 12. Nxd5+ Qxd5 13. Ne2 Qf7 14. Qxf7+ Kxf7 15. Nf4 Bd6 16. Bc4+ Kf6 17. Nd5+ Kg7 18. Bd2 Be6 19. Rc1 Rhd8 20. Ne7 {Lanzani,P (2171)-De Smet,K (2242) ICCF 2015 1/2-1/2 (44)}) 9. h4 Ng6 (9... gxh4 10. Bd2 Ng6 11. Qb3 c6 12. O-O-O Qb6 13. Qc2 d5 14. f3 Qc7 15. Kb1 a6 16. cxd5 cxd5 17. Qb3 Be6 18. Nge2 b5 19. Be1 Qc4 20. Qc2 Qc6 21. Qb3 {Kozlov,A (2224)-Abramov,G (2132) ICCF 2011 1/2-1/2 }) 10. hxg5 hxg5 11. Rxh8 Nxh8 12. Qb3 (12. g4 Nxg4 13. Nxe4 Ng6 14. Nc3 d6 15. Bd2 c6 16. Bd3 Qe7 17. Qe2 Bd7 18. O-O-O O-O-O 19. f3 Nf6 20. Qf2 Bg7 21. Nge2 Rh8 22. Rg1 Nh4 23. Rh1 Ne8 {Beck,G (1871)-Morin,S (2251) ICCF 2020 1/2-1/2 (25)}) 12... c6 13. Be2 Qc7 14. g3 Bd6 15. Kd2 Be7 16. Kc2 d6 17. Bd2 {Aupí Royo,J (2328)-Destruels Moreno,F (2307) ICCF 2009 1/2-1/2 (39)}) (5... h6 6. Nh3 g5 7. Ng1 (7. d5 Ne5 8. f4 exf3 9. exf3 g4 10. fxg4 fxg4 11. Nf4 Nf6 12. Bd3 Rg8 13. Be3 d6 14. O-O c5 15. Bf2 Bd7 16. Bh4 Be7 17. Ne6 Bxe6 18. dxe6 Nxd3 {Hedreanu,P (1895)-Cencetti,A (1763) ICCF 2008 1-0}) 7... Bg7 (7... Nf6 8. h4 g4 9. e3 d5 10. cxd5 Nxd5 11. Bd2 Be6 12. Nxd5 Bxd5 13. Ne2 Bd6 14. Nc3 Bf7 15. Bb5 O-O 16. Rc1 Qe7 17. Ne2 Nb4 18. Bxb4 Bxb4+ 19. Kf1 {Degerhammar,R (2445)-Boukal,P (2466) ICCF 2008 1/2-1/2 (33)}) 8. e3 Nf6 9. h4 d6 (9... g4 10. Nge2 Nh5 11. Nd5 Ne7 12. Nef4 Nxf4 13. Nxf4 O-O 14. Qc2 d6 15. Bd2 Qe8 16. h5 Bd7 17. Be2 Bf6 18. Bc3 a5 19. g3 a4 20. d5 Be5 21. Qd2 {Morley,P (2350) -Rezzuti,V (2399) ICCF 2013 1/2-1/2 (31)}) 10. hxg5 hxg5 11. Rxh8+ Bxh8 12. Nh3 g4 13. Nf4 Bg7 14. Be2 Bh6 15. Qd2 Bxf4 16. exf4 d5 17. c5 {Migliorini,R (2058) -Innorta,G ICCF 2009 0-1 (50)}) (5... Be7 6. Nh3 Nf6 7. e3 O-O 8. Be2 (8. Nf4 Bd6 9. Be2 b6 10. O-O Bb7 11. h3 (11. b3 Bxf4 12. exf4 Kh8 13. d5 Ne7 14. d6 cxd6 15. Qxd6 Re8 16. Rd1 Bc6 17. h3 Ng6 18. a4 Re6 19. Qxe6 dxe6 20. Rxd8+ Rxd8 21. Be3 e5 22. fxe5 Nxe5 {Lanzani,P (1927)-Cesaro,M (1971) ICCF 2010 1-0 (41)}) 11... g5 12. Nfd5 Nxd5 13. Nxd5 Ne7 14. Nc3 Ng6 15. c5 Be7 16. b4 d5 17. Qb3 Kh8 18. b5 c6 19. Rb1 cxb5 {Zlotkowski,A (2377)-De Smet,K (2196) ICCF 2007 1-0 (34)}) 8... d5 9. O-O dxc4 10. Bxc4+ Kh8 11. a3 Bd6 12. Nb5 Ng4 {1/2-1/2 (12) Niese,P (2341)-Flatz,H (2275) ICCF 2007}) 6. Nh3 (6. d5 Ne5 (6... h6 7. dxc6 hxg5 8. Qb3 Bxc3+ 9. Qxc3 Qf6 10. Qxf6 gxf6 11. cxb7 Bxb7 12. f4 Rh5 13. fxg5 fxg5 14. e3 Ne7 15. Be2 Rh6 16. b3 Kf7 17. Bb2 d6 18. O-O {Gierth,K (2226) -Barbalic,Z (1911) ICCF 2009 1-0 (47)}) 7. Qa4 (7. Qb3 Be7 8. f4 {1-0 (8) Sifré Calafat,F (2030)-Osuna Osuna,F (1728) ICCF 2018}) 7... Bxc3+ 8. bxc3 c6 9. c5 (9. dxc6 dxc6 10. Bf4 Qf6 11. Rd1 Ng6 12. Be3 Qe7 13. Nh3 Nf6 14. g3 O-O 15. Bg2 Be6 16. Ng5 Bd7 17. O-O c5 18. Qb3 b6 19. a4 h6 20. Nh3 Be6 {Garriga Nualart,J (2405)-De Smet,K (2188) ICCF 2012 0-1 (30)}) 9... Qf6 10. dxc6 dxc6 11. Qd4 Ne7 12. Nh3 Nd7 13. Bg5 Qxd4 14. cxd4 b6 15. Rc1 bxc5 16. dxc5 Rb8 17. Be3 Rb4 {Gierth,K (2213)-Sergeev,V (2409) ICCF 2009 1/2-1/2 (52)}) (6. a3 Bxc3+ 7. bxc3 Nf6 8. Nh3 b6 9. Qa4 Na5 10. Bg5 h6 11. Bxf6 Qxf6 12. Nf4 Bb7 13. e3 O-O-O 14. Rb1 g5 15. Nd5 Qf7 16. Qb5 d6 17. Be2 c6 {Fleury,M (2172)-Grayland,S (2388) ICCF 2013 0-1 (35)}) 6... Bxc3+ (6... Nf6 7. Bg5 h6 8. Bxf6 Qxf6 9. e3 Bxc3+ 10. bxc3 g5 11. Be2 b6 12. Qa4 Bb7 13. O-O O-O-O 14. c5 d5 15. c4 dxc4 16. cxb6 axb6 17. Rfc1 Na5 18. Bxc4 {Arnold,E (1991)-Varkentin,W (2040) ICCF 2016 0-1 (48)}) (6... Qf6 7. e3 Bxc3+ 8. bxc3 Nge7 9. Nf4 d6 10. Be2 O-O 11. O-O Kh8 12. f3 exf3 13. Bxf3 Bd7 14. Rb1 b6 15. e4 Qf7 16. Qe2 Rae8 17. e5 dxe5 18. dxe5 {Urpilainen,E (2057)-Wood,B (1985) ICCF 2018 1/2-1/2 (73)}) 7. bxc3 Nf6 8. e3 d6 (8... O-O 9. Nf4 b6 10. c5 bxc5 11. Ba3 d6 12. Bc4+ Kh8 13. Bb5 Bd7 14. Bxc6 Bxc6 15. Ne6 Qe7 16. Nxf8 Rxf8 17. c4 cxd4 18. Qxd4 f4 19. c5 d5 20. exf4 {Szerlak,A (2357)-Balta,M (2315) ICCF 2018 1-0 (52)}) 9. Nf4 (9. Ba3 O-O 10. Nf4 g5 11. Ne2 (11. Nh5 f4 12. exf4 Nxh5 13. Qxh5 gxf4 14. g3 f3 15. h4 Kh8 16. Bc1 Bd7 17. Bg5 Qe8 18. Qxe8 Raxe8 19. h5 Rf5 20. Bc1 Kg7 21. Rh4 Ra5 22. a4 Nd8 {Biedermann,T (2487)-Quiñones Borda,J (2411) ICCF 2018 1/2-1/2 (47)} ) 11... Na5 12. c5 f4 13. exf4 Nd5 14. cxd6 cxd6 15. fxg5 Qc7 16. Qc2 e3 17. f3 Bf5 18. Qb2 Rae8 19. Bb4 Nc4 20. Qb3 Qc6 {Fedukin,A (2168)-Binas,J (2121) ICCF 2014 0-1 (30)}) (9. Be2 O-O 10. c5 (10. O-O b6 (10... Qe7 11. Nf4 Kh8 12. Nd5 Qf7 13. Nxf6 Qxf6 14. f3 exf3 15. Rxf3 Bd7 16. Bd3 Ne7 17. e4 Rae8 18. Rb1 b6 19. Rb2 c5 20. Rbf2 Nc6 21. Bb2 Rf7 22. exf5 {Beck,G (1882)-Bontems,C (2077) ICCF 2012 1/2-1/2 (28)}) 11. Ba3 (11. c5 dxc5 12. Ba3 Re8 13. Qb3+ Be6 14. Qa4 Na5 15. Bxc5 Qd7 16. Bb5 c6 17. Be2 Qc7 18. Bb4 Bc4 19. Qc2 Bxe2 20. Qxe2 Nb7 21. a4 Nd5 22. Qa2 Kh8 {Vecek,M (2305)-Gilbert,C (2346) ICCF 2014 1/2-1/2 (33)} ) 11... Ba6 12. Bb4 Qe8 (12... Qd7 13. Qb3 Kh8 14. Rfe1 Ne7 15. Rad1 Ng6 16. a4 Nh4 17. d5 g5 18. Bf1 Qg7 19. a5 Bc8 20. Qa3 bxa5 21. Qxa5 f4 22. Kh1 f3 23. g3 Ng2 24. Bxg2 {Sifré Calafat,F (1803)-Mut Company,G (2229) ICCF 2011 0-1}) 13. Qb3 Kh8 14. a4 h6 15. Kh1 Qf7 16. Qa2 g5 17. a5 Rfb8 18. d5 Ne5 19. Rfd1 Nfd7 20. Rd4 Nc5 21. Qc2 Ncd3 {Beck,G (1940)-Broudin,M (2264) ICCF 2012 0-1 (31)}) 10... d5 11. c4 (11. O-O Na5 12. c6 Nxc6 13. c4 Be6 14. Rb1 b6 15. Qc2 Na5 16. cxd5 Nxd5 17. f3 exf3 18. Bxf3 c6 19. Bd2 Rc8 20. e4 Nc7 21. Nf4 Qxd4+ 22. Rf2 Nc4 {Miliauskas,T-Bauer,W (2513) ICCF 2010 1/2-1/2 (36)}) 11... Be6 12. Rb1 dxc4 13. Qa4 Rb8 14. Nf4 Bf7 15. Bxc4 Qd7 16. Bd2 Bxc4 17. Qxc4+ Qf7 18. Qa4 Nd5 19. Nxd5 Qxd5 20. O-O Rf6 {Garriga Nualart,J (2414)-Destruels Moreno,V (2385) ICCF 2011 1/2-1/2 (68)}) 9... O-O (9... b6 10. c5 dxc5 11. Bb5 Bd7 12. Ne6 Bxe6 13. Bxc6+ Kf7 14. Bxa8 Qxa8 15. Qa4 c4 16. Qb5 h5 17. Qa6 h4 18. h3 Rh5 19. Qa4 a5 20. Rb1 g5 21. Qb5 {Belchev,B (2152)-Grayland,S (2349) ICCF 2020 0-1 (46)}) (9... Qd7 10. Be2 b6 11. c5 dxc5 12. O-O cxd4 13. cxd4 Ne7 14. Bc4 Ned5 15. Nxd5 Nxd5 16. f3 exf3 17. Qxf3 Bb7 18. Qxf5 Qxf5 19. Rxf5 O-O-O 20. Rg5 g6 21. Re5 {Svoboda,F (2406)-Mokrys,C (2486) ICCF 2015 1/2-1/2 (37)}) 10. h4 (10. c5 d5 11. c4 Ne7 12. cxd5 Nfxd5 13. Bc4 Kh8 14. Nxd5 Nxd5 15. O-O b5 16. Bxb5 Nc3 17. Qb3 Nxb5 18. Qxb5 a5 19. Re1 Qd5 20. Bd2 a4 21. Reb1 c6 { Nemec,Z (2205)-Lanin,B (2004) ICCF 2017 1/2-1/2 (40)}) 10... Qe8 (10... b6 11. Ba3 Kh8 (11... Rf7 12. c5 d5 13. h5 Na5 14. Bb4 Nc4 15. Bxc4 dxc4 16. d5 a5 17. Ba3 bxc5 18. Bxc5 Rd7 19. Qa4 Nxd5 20. O-O-O Nxf4 21. exf4 Qe8 22. Rd4 Re7 23. Qd1 {Gomes,J (2095)-Eshuis,H (2023) ICCF 2014 1/2-1/2 (80)}) 12. Be2 (12. h5 Ng4 13. Be2 Qf6 14. Qc2 Re8 15. Rb1 Kg8 16. c5 dxc5 17. Qb3+ Be6 18. Nxe6 Na5 19. Ng5+ Nxb3 20. Bc4+ Kh8 21. Nf7+ Kg8 22. Ng5+ {1/2-1/2 (22) Vaillant,F (2174)-Enkalo,M (2342) ICCF 2015}) 12... Qe7 13. Kf1 Ba6 14. Kg1 Qf7 15. h5 Rfc8 16. Qf1 Na5 17. d5 c5 18. Rh3 Nd7 19. f3 exf3 20. gxf3 Ne5 21. Ng6+ Nxg6 22. hxg6 {Paesschesoone,S (2054)-Cunha,E (2094) ICCF 2016 0-1 (43)}) (10... Qe7 11. c5 Na5 12. Ba3 b6 13. Bb4 Be6 14. Bxa5 bxa5 15. Qa4 Rab8 16. Qxa5 Bf7 17. cxd6 Qxd6 18. Be2 Rb2 19. O-O Nd5 20. Nxd5 Qxd5 21. Qxd5 Bxd5 22. c4 {Geus,A (2186)-Laan,A ICCF 2013 1-0 (54)}) 11. Ba3 Ne7 (11... Qf7 12. c5 (12. d5 Ne7 13. c5 Nexd5 14. Bc4 Be6 15. Nxe6 Qxe6 16. cxd6 cxd6 17. Qd4 Rfc8 18. Bb3 Qe5 19. Qxe5 dxe5 20. c4 Nb6 21. c5+ Nbd5 22. Rd1 Rd8 23. Bb2 Rac8 {Reis,L (2466) -Moreira,J (2443) ICCF 2005 1-0 (51)}) 12... d5 13. Be2 Bd7 14. c4 Ne7 15. cxd5 Nexd5 16. Nxd5 Qxd5 17. Qb3 Qxb3 18. axb3 Be6 19. Kd2 c6 20. Bc4 Bd5 21. Bb4 Ng4 22. f3 Nf6 23. h5 {Szerlak,A (2068)-Pajak,J (2004) ICCF 2014 1/2-1/2 (37)}) 12. c5 (12. h5 Qf7 13. c5 d5 14. c6 bxc6 15. Qa4 a5 16. Bxe7 Qxe7 17. Qxc6 Bd7 18. Nxd5 Qa3 19. Bc4 Kh8 20. Qc5 Qxc5 21. dxc5 Be6 22. O-O-O Rad8 23. Nb6 Bg8 { Walther,J (2189)-Baatz,R (2197) ICCF 2018 1/2-1/2 (63)}) 12... d5 13. c4 (13. c6 Qxc6 14. Qb3 Qd7 15. c4 c6 16. cxd5 cxd5 17. Rc1 Rd8 18. Bb5 Nc6 19. O-O a6 20. Bxc6 bxc6 21. Qb6 Bb7 22. Rb1 Rdb8 23. Rb3 {1-0 (23) Girard,E-Biaux,A (2227) ICCF 2007}) 13... c6 14. h5 Qf7 15. Qc2 Be6 16. Rb1 Rab8 17. Bc1 dxc4 18. Nxe6 Qxe6 19. Bxc4 Ned5 20. h6 g5 21. Qa4 b5 22. Qxa7 Qf7 23. Qxf7+ Kxf7 24. Bb3 Kg6 25. Ra1 Ra8 26. Bd2 Ra3 27. Ke2 Rd8 28. Raf1 Rda8 29. Rc1 Rd8 30. Ra1 Ng4 31. Rh3 Rd7 32. Rf1 Ndf6 33. Bc1 Ra8 34. Rfh1 Rda7 35. a3 Re7 36. Bb2 Rd8 37. Bc3 Ra7 38. Bb2 Nd5 39. Bxd5 Rxd5 40. f4 gxf4 41. exf4 Kf7 42. Rh5 Ke6 43. Rg5 Nf6 44. Kd2 Rdd7 45. Kc2 Rf7 46. Kb3 Ra8 47. g3 Rd8 48. Rg7 Rdd7 49. Rg5 Rd8 50. Rg7 {1/2-1/2 (50) Urpilainen,E (2208)-Baatz,R (2145) ICCF 2015} *