[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Queen's Fianchetto Defence 1"] [Black "d4 Nf6 2 c4 b6"] [Result "*"] [ECO "A50/01"] [PlyCount "65"] {[%evp 0,65,19,28,25,-9,0,-13,25,6,46,33,22,22,41,22,15,12,1,-14,-4,-5,-12,-12, -16,-11,20,-24,-16,-25,-18,8,-4,-62,-80,-115,-115,-88,0,74,37,54,142,79,70,74, 86,46,56,56,56,50,60,58,37,37,54,50,39,39,55,68,50,26,71,50,45,-13]} 1. d4 (1. c4 b6 2. d4 Bb7 3. d5 (3. Nc3 Nf6 (3... e6 4. e4 d6 5. Bd3 Nf6 6. Nge2 Be7 7. Ng3 Nc6 8. Be3 O-O 9. O-O Nb4 10. Be2 e5 11. d5 g6 12. Qd2 a5 13. Bh6 Re8 14. f4 Na6 15. Rf2 {Kopeikin,V (2421)-Thompson,E (1890) ICCF 2011 1-0 (27)}) 4. f3 (4. Nf3 Nc6 5. Qc2 e6 6. a3 Bd6 7. e3 a5 8. Be2 O-O 9. O-O Ba6 10. Re1 Qe7 11. Bd2 Ng4 12. h3 Nf6 13. e4 e5 14. Nd5 Nxd4 15. Nxe7+ Bxe7 {Pearce,A-Dingler,D ICCF 2008 1-0}) 4... Nc6 5. d5 Ne5 6. e4 Ng6 7. f4 e6 8. e5 Ng8 9. a3 Nh6 10. Nf3 Bc5 11. b4 Be7 12. Bd3 a5 13. Rb1 d6 14. O-O O-O {Karapchanski,D (2530) -Kruse,H (2540) ICCF 2006 1-0 (70)}) 3... e6 4. a3 Nf6 5. Nc3 Bd6 (5... exd5 6. cxd5 g6 7. e4 Bg7 8. Bg5 O-O 9. Bd3 h6 10. Bh4 d6 11. Nge2 Nbd7 12. O-O Nc5 13. Bc2 a6 14. f4 Qe8 15. Ng3 c6 16. dxc6 Bxc6 17. Qxd6 {Másson,K-Wilson,G (1882) ICCF 2014 0-1 (43)}) (5... g6 6. g3 Bg7 7. Bg2 O-O 8. Nh3 d6 9. O-O Nbd7 10. dxe6 Bxg2 11. exf7+ Rxf7 12. Kxg2 Ne5 13. Bf4 Nh5 14. e3 Rf8 15. Bxe5 Bxe5 16. Qb3 Kh8 17. f4 {Herriot,B (2146)-Williams,A ICCF 2012 1-0 (25)}) 6. Nf3 O-O 7. e4 (7. g3 c6 (7... exd5 8. cxd5 Na6 9. Bg2 Re8 10. O-O Nc5 11. b4 Nce4 12. Nxe4 Nxe4 13. Bb2 a5 14. Qd3 Nf6 15. Nh4 g6 16. Nf5 Be5 17. Bxe5 Rxe5 18. Ne3 h5 19. Rac1 {Kostanjsek,Z (2235)-Oleksak,A (2183) ICCF 2013 1/2-1/2 (34)}) (7... Re8 8. Bg2 a5 9. O-O exd5 10. cxd5 Na6 11. Qc2 Nc5 12. Nd4 Be5 13. Rd1 a4 14. Nc6 Bxc6 15. dxc6 d6 16. Nd5 Nb3 17. Rb1 Nxd5 18. Bxd5 Nxc1 19. Rbxc1 {Niese,P (2346)-Stadler,B (2315) ICCF 2011 1-0 (58)}) 8. dxe6 (8. Bg2 exd5 (8... cxd5 9. cxd5 Na6 10. O-O Nxd5 11. Nxd5 exd5 12. b4 Nc7 13. Bb2 Re8 14. e3 a5 15. Qd2 axb4 16. axb4 Qe7 17. Rxa8 Rxa8 18. Qd4 Ne6 19. Qxb6 Rb8 20. Nd4 {Blake,M (2033)-Galvin,J (2005) ICCF 2012 1/2-1/2}) 9. cxd5 Nxd5 10. Nxd5 cxd5 11. Ng5 Qe7 12. O-O Be5 13. Bxd5 Bxd5 14. Qxd5 Nc6 15. Ra2 h6 16. Nf3 Qe6 17. Rd1 Rfc8 18. Qxe6 dxe6 19. b4 Bf6 {Dziedzic,A (2096)-Troia,E (2275) ICCF 2015 1/2-1/2 (27)}) 8... dxe6 9. Bg2 Qe7 10. O-O Nbd7 11. Qc2 {1-0 (11) Bieszk,S (1816) -Blazeka,M ICCF 2016}) 7... exd5 8. exd5 c6 9. Be2 cxd5 (9... Re8 10. O-O cxd5 (10... Na6 11. Bg5 cxd5 (11... h6 12. Bh4 Nc5 13. b4 Nce4 14. Nxe4 Rxe4 15. dxc6 dxc6 16. c5 bxc5 17. bxc5 Bxc5 18. Qc2 Bb6 19. Qxe4 Nxe4 20. Bxd8 Rxd8 21. a4 c5 22. a5 Bc7 23. Rfd1 {Vlasov,A (2264)-O'Sullivan,R (1628) ICCF 2014 1-0 (30)}) 12. Nxd5 Bxd5 13. cxd5 Nc5 14. Re1 Nce4 15. Bh4 h6 16. Bd3 g5 17. Bg3 Nxg3 18. hxg3 Rxe1+ 19. Qxe1 Bf8 20. Qe5 Qe7 {1/2-1/2 (20) Machýcek,L (2394) -Milanollo,M (2305) ICCF 2014}) 11. cxd5 Na6 12. b4 Nc7 13. Bc4 b5 14. Nxb5 Nxb5 15. Bxb5 a5 16. bxa5 Qxa5 17. a4 Nxd5 18. Bd2 (18. Bb2 Re6 19. Qd4 Nf6 20. Qc3 Bb4 21. Qb3 Ne4 22. Bd4 Rg6 23. g3 Nc5 24. Bxc5 Bxc5 25. Ne5 Rf6 26. Rad1 d6 27. Nd7 Rf3 28. Qc2 Rc3 29. Qf5 Bc8 {Peetoom,F (2061)-Kaczmarek,R (2103) ICCF 2019 1/2-1/2 (37)}) 18... Bb4 19. Bxb4 {1/2-1/2 (19) Sulit,F (2096) -Kaczmarek,R (2103) ICCF 2019}) 10. cxd5 Na6 11. Bg5 Re8 12. O-O Nc5 13. Bh4 ( 13. b4 Nce4 14. Nxe4 Rxe4 15. Qd3 Re8 16. Rae1 a5 17. Qd4 h6 18. Bh4 Rxe2 19. Rxe2 Ba6 20. Ree1 Bxf1 21. Kxf1 axb4 22. axb4 Ra4 23. Rb1 Qe7 24. Re1 Rxb4 { Deforel,J (2056)-Kaczmarek,R (1996) ICCF 2019 1/2-1/2 (29)}) 13... Rc8 14. Rc1 Bf4 15. Rc2 h6 16. b4 Nce4 17. Nxe4 Rxe4 18. Rxc8 Bxc8 19. Qc2 Re8 20. Rd1 Bb7 21. Bc4 g5 22. Bg3 Bxg3 23. hxg3 Kf8 24. Qf5 Kg7 25. Nd4 Qc7 26. Qd3 Qe5 27. Nf5+ Kf8 28. Nxh6 Qe4 29. f3 Qe3+ 30. Kh2 Qxd3 31. Rxd3 Re5 32. d6 Bd5 33. Bxd5 Rxd5 34. Rxd5 Nxd5 35. Nf5 Nc3 36. Kh3 Nb5 37. a4 Nc3 38. Kg4 f6 39. Ne3 Kf7 40. a5 bxa5 41. bxa5 Ke6 42. Nc4 Kd5 43. Na3 Kxd6 44. Kf5 Ke7 45. f4 gxf4 46. gxf4 d5 47. Nc2 Ne4 48. Nd4 Ng3+ 49. Kg4 Ne4 50. Nb3 Kd7 51. Nd4 {1/2-1/2 (51) Parushev,A (2293)-Gavrilov,I (2188) ICCF 2018 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 1... Nf6 2. c4 e6 (2... a6 3. Nc3 c5 (3... d5 4. Bg5 dxc4 5. e4 Nc6 6. d5 Ne5 7. Nf3 Bg4 8. Be2 Bxf3 9. Bxf3 Nd3+ 10. Ke2 h6 11. Bxf6 exf6 12. Qa4+ b5 13. Qc2 Bc5 14. Nd1 O-O 15. b3 {Liles,C (1556)-Michas,J (1756) ICCF 2017 0-1 (25)}) 4. dxc5 Nc6 (4... e5 5. Nf3 Nc6 6. Be3 Ng4 7. Qd2 f6 8. a3 Na5 9. Qd5 Nxe3 10. fxe3 Nb3 11. Rd1 Nxc5 12. b4 Ne6 13. g3 Nc7 14. Qd3 a5 15. c5 axb4 16. axb4 {Malichev,I (2280)-Novikov,A (2133) ICCF 2018 1-0 (30)}) (4... e6 5. e4 Bxc5 6. e5 Ng8 7. Ne4 Nc6 8. Bd2 Be7 9. Bc3 Nh6 10. Nf3 O-O 11. Qd2 Nf5 12. g4 Nh6 13. h3 Kh8 14. a3 b5 15. c5 Bb7 16. Bd3 {Balasch Sagrera,C (2085) -Iriarte Gómez,E (2180) ICCF 2011 1-0 (55)}) 5. e4 (5. a3 e5 6. Bg5 Bxc5 7. e3 Be7 8. Nf3 d6 9. Bd3 Be6 10. O-O Rc8 11. b3 O-O 12. Qc2 h6 13. Bxf6 Bxf6 14. Rfd1 Na5 15. Be4 b5 16. Rab1 bxc4 {Åberg,L (2119)-Green,M (1995) ICCF 2013 1/ 2-1/2 (43)}) 5... e6 6. Be3 Qa5 7. Qa4 (7. a3 Nxe4 8. Nge2 d6 9. cxd6 Nxd6 10. b4 Qc7 11. Ng3 Be7 12. c5 Bf6 13. cxd6 Bxc3+ 14. Bd2 Bxd2+ 15. Qxd2 Qd8 16. Rd1 Bd7 17. Be2 O-O 18. O-O e5 {Armani,G (2291)-Green,M (2079) ICCF 2016 1-0 (65)}) 7... Ng4 8. Qxa5 Nxa5 9. Na4 (9. b4 Nc6 10. a3 Nxe3 11. fxe3 d6 12. cxd6 Bxd6 13. Nf3 Ne5 14. Rd1 Bc7 15. Be2 Bd7 16. O-O Ke7 17. c5 Rab8 18. Nd4 g5 19. Rd2 g4 20. Rfd1 Rhc8 {Valderas Viejo,J (2195)-Green,M (2079) ICCF 2016 0-1 (86)}) 9... Nxe3 10. fxe3 d6 11. b4 (11. cxd6 Bxd6 12. Rc1 Bc7 13. Nf3 Ke7 14. Kf2 Bd7 15. Nc5 Bc6 16. b4 b6 17. Nd3 Nb7 18. e5 Be4 19. c5 bxc5 20. Be2 Rhd8 21. Nxc5 Nxc5 22. Rxc5 Bb6 {Wieringen,C (2230)-Green,M (2097) ICCF 2019 1/2-1/2 (40)}) 11... Nc6 12. cxd6 Bxd6 13. a3 Bc7 14. Be2 {Duvette,M (2009)-Green,M (1995) ICCF 2013 0-1 (39)}) (2... b5 3. cxb5 a6 (3... Bb7 4. e3 a6 5. Nf3 e6 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 axb5 9. Bxb5 Ne4 10. Bb2 O-O 11. O-O Nc6 12. Qe2 Na5 13. Bd3 f5 14. c4 c5 15. Rab1 {Lúcio,J (2029)-Ferreira,A ICCF 2011 1-0 (45)}) 4. e3 axb5 (4... e6 5. Nf3 c6 6. bxc6 Nxc6 7. Nc3 d5 8. Bd3 Bd6 9. O-O O-O 10. a3 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Bd2 d4 14. Ne4 Ng4 15. f4 dxe3 16. fxe5 { Fermen,G (1767)-Mucha,J (2022) ICCF 2014 1/2-1/2}) 5. Bxb5 Ba6 6. Bxa6 Rxa6 7. Nf3 e6 8. O-O (8. Qe2 Bb4+ 9. Bd2 Bxd2+ 10. Nbxd2 O-O 11. O-O Rb6 12. Nc4 Rb5 13. Rfc1 d6 14. Nxd6 cxd6 15. Qxb5 Nbd7 16. a4 Nd5 17. a5 N7f6 18. a6 Nc7 19. Qb7 Na8 {Chernushich,L (1960)-Shilov,V ICCF 2020 1-0}) 8... d5 (8... Be7 9. Qe2 O-O 10. Nc3 d5 11. b3 Qd6 12. Na4 Nbd7 13. Ba3 c5 14. Bxc5 Nxc5 15. dxc5 Qc6 16. Nb6 Qb7 17. b4 Ra7 18. a4 Ne4 19. a5 Nc3 20. Qd3 {Menshchikov,V (2015) -Shilov,V ICCF 2020 1-0}) 9. a4 Bd6 10. b3 O-O 11. Ba3 Nc6 12. Qd3 Ra7 13. Rc1 Nb4 14. Bxb4 {Polubabin,V (2030)-Shilov,V ICCF 2020 1-0}) (2... b6 3. Nc3 (3. e3 e6 4. a3 Bb7 5. Be2 Bxg2 6. Bf3 Bxh1 7. Bxh1 d5 8. cxd5 exd5 9. Nc3 Be7 10. e4 dxe4 11. Nxe4 c6 12. Nxf6+ Bxf6 13. Qe2+ Qe7 14. Qxe7+ Kxe7 {Hardwick,M (1498)-Kolkman,C (1845) ICCF 2015 0-1 (36)}) (3. Nf3 d5 (3... Bb7 4. g3 (4. Nc3 d5 (4... g6 5. Bf4 (5. d5 Bg7 6. e4 O-O 7. Bd3 d6 8. O-O Nbd7 9. Bf4 Nc5 10. Bc2 e5 11. Be3 Ng4 12. Bg5 f6 {0-1 (12) Ambrzykowski,L-Linden,W (1801) ICCF 2018}) (5. Bg5 Bg7 6. Bxf6 Bxf6 7. e3 O-O 8. Be2 Re8 (8... d6 9. O-O e6 10. Qc2 Nd7 11. b3 Bg7 12. h3 c5 13. Qd2 Nf6 14. dxc5 bxc5 15. a4 d5 16. cxd5 Nxd5 { Lines,D (1718)-Zarges,R (2184) ICCF 2015 0-1 (37)}) 9. O-O Ba6 10. b4 d5 11. cxd5 Bxe2 12. Qxe2 c6 13. dxc6 Nxc6 14. a3 a5 15. b5 Na7 16. a4 e5 {Jenkins, A-Anderson,L (873) ICCF 2020 1-0}) (5. Qc2 Bxf3 (5... Bg7 6. e4 d6 7. Be2 O-O 8. Bg5 Nbd7 9. Rd1 Re8 10. O-O c6 11. e5 Ng4 12. h3 f6 13. hxg4 fxg5 14. Nxg5 Nf8 15. f4 Qc7 16. f5 dxe5 17. c5 {Deforel,J (2059)-Bas Fortuny,M (1831) ICCF 2018 1-0}) 6. exf3 Nc6 7. Be3 e6 8. O-O-O d5 9. cxd5 Nxd5 10. Bb5 Qd7 11. Nxd5 O-O-O 12. Bxc6 Qd6 13. Qc4 Qxc6 14. Qxc6 exd5 {Andersson,S (2164)-Johansson,M ICCF 2015 1-0}) 5... Bg7 6. h3 O-O 7. e3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 10. Be2 d5 11. cxd5 Bxd5 12. O-O Nc6 13. Rfd1 cxd4 14. exd4 Bxf3 15. Bxf3 Nxd4 16. Qe3 { Segreto,T (1679)-Bush,R ICCF 2018 0-1}) (4... c5 5. d5 e6 6. e4 d6 7. Bd3 Be7 8. O-O O-O 9. Re1 e5 10. Bc2 a6 11. h3 b5 12. cxb5 axb5 13. Nxb5 Ra5 14. a4 Ra8 15. Nd2 Na6 16. Nc4 {Munaev,Z-Scott,R (1621) ICCF 2011 1-0 (28)}) 5. Bf4 (5. cxd5 Nxd5 6. Qc2 Nxc3 7. bxc3 e6 8. e4 Be7 9. Bb5+ c6 10. Bc4 (10. Bd3 c5 11. O-O O-O 12. d5 exd5 13. exd5 Qxd5 14. Bxh7+ Kh8 15. Re1 Nc6 16. Be4 Qd6 17. Qe2 Rae8 18. Ng5 Bxg5 19. Bxg5 Kg8 20. Qh5 Rxe4 21. Rxe4 Qg6 {González Amaro,A (2124)-Deforel,J (2240) ICCF 2020 1-0}) 10... c5 11. Bf4 O-O 12. d5 exd5 13. Bxd5 Bxd5 14. Rd1 Qe8 15. Rxd5 Nd7 16. O-O Nf6 {Salonen,J (2001)-Riihimäki,V (2039) ICCF 2020 0-1 (66)}) 5... e6 6. e3 Bd6 7. Bg5 O-O 8. cxd5 exd5 9. Bd3 Nbd7 10. O-O c5 11. Qc2 h6 12. Bh4 a6 13. Rfd1 c4 14. Bf5 Qc7 15. Bg3 b5 { Raby,E (2020)-Riihimäki,V (2011) ICCF 2012 0-1 (41)}) (4. d5 e6 5. dxe6 (5. Nc3 Bb4 6. Bd2 O-O 7. g3 Bxc3 8. Bxc3 exd5 9. cxd5 Nxd5 10. Bxg7 Kxg7 11. Qd4+ Qf6 12. Qxf6+ Nxf6 13. Bg2 Re8 14. e3 Be4 15. O-O c5 16. Ng5 d5 {Fiesel,H (1594)-Lagergren,H (1942) ICCF 2008 0-1 (30)}) 5... fxe6 6. g3 Bb4+ 7. Nbd2 O-O 8. Bg2 Qe8 9. a3 Bd6 10. b4 c5 11. b5 Bc7 12. Bb2 d5 13. O-O Nbd7 14. e3 Qh5 15. Qc2 g5 {Larson,M (1750)-Overturf,S (1730) ICCF 2020 0-1}) 4... c5 (4... g6 5. Bg2 (5. Nc3 Bg7 6. d5 O-O 7. Bg2 e6 8. O-O Na6 9. e4 d6 10. Nd4 e5 11. Nc2 Qd7 12. b4 Nb8 13. Bg5 h6 14. Be3 h5 15. Rc1 Rc8 16. Qd3 a5 {Ismailov, R-Krammel,J ICCF 2016 1-0 (37)}) 5... Bg7 6. Nc3 (6. O-O O-O 7. d5 (7. Re1 e6 8. Bf4 Ne4 9. Qc2 f5 10. Nc3 d6 11. Rad1 Qc8 12. Nxe4 Bxe4 13. Qc1 Nc6 14. Bh6 Bxh6 15. Qxh6 Qd7 16. d5 Nd8 17. Bf1 Bxf3 18. exf3 e5 {Hale,A (2282)-Wegelin,R (2252) ICCF 2020 1/2-1/2 (28)}) (7. Qc2 e6 (7... c5 8. d5 b5 9. Rd1 (9. e4 bxc4 10. Nfd2 e6 11. Nc3 exd5 12. exd5 Na6 13. a3 d6 14. Nxc4 Nc7 15. Na5 Bxd5 16. Nxd5 Ncxd5 17. Nc4 Qd7 18. Rd1 Rae8 19. h3 Qe6 20. Bg5 h6 {Skeels,J (2323) -Rodriguez,K (2350) ICCF 2018 1-0 (59)}) 9... bxc4 10. e4 e6 11. Bg5 h6 12. Bxf6 Qxf6 13. e5 Qe7 14. Nc3 Na6 15. a3 Rae8 16. Nh4 Rb8 17. d6 Qe8 18. Re1 g5 {Rets,Y (2249)-Dziedzic,A (2166) ICCF 2018 1-0 (70)}) (7... Be4 8. Qd2 Bb7 9. Nc3 e6 10. Qd3 d5 11. cxd5 exd5 12. Bg5 Nbd7 13. Ne5 h6 14. Bxf6 Nxf6 15. b4 c6 16. b5 cxb5 17. Nxb5 a6 18. Nc3 b5 19. e3 {Van den Bergh,L (1714)-Smith,M ICCF 2017 1/2-1/2 (40)}) (7... Nc6 8. Bf4 d5 9. Rd1 e6 10. Ne5 Nxe5 11. Bxe5 c6 12. e3 Qe7 13. a4 a5 14. Nd2 Rfc8 15. Qb3 Nd7 16. Bxg7 Kxg7 17. Rac1 Rab8 18. Re1 Qf6 19. Rc2 {Baumann,W (2104)-Blattner,K (2190) ICCF 2013 1/2-1/2 (33)}) 8. Nc3 d5 (8... d6 9. e4 Nbd7 10. Re1 Re8 11. Bg5 h6 12. Bd2 e5 13. d5 Qe7 14. b4 Kh7 15. Qd3 a5 16. a3 axb4 17. axb4 c5 18. dxc6 Bxc6 19. Nh4 Nf8 20. Be3 {De la Calle,I (2272)-Albesa,A (1674) ICCF 2008 1-0}) 9. Ne5 (9. cxd5 Nxd5 10. Bg5 Qd7 11. Rfd1 Nxc3 12. bxc3 Nc6 13. Bf4 Qe7 14. h4 Rad8 15. h5 Na5 16. e4 h6 17. hxg6 fxg6 18. Qe2 c5 19. Rac1 {Raby,E (1851)-Whittaker,I (2135) ICCF 2020 1/ 2-1/2 (36)}) 9... Qc8 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. e4 Bb7 13. f4 c5 14. dxc5 Nd7 15. Nxd7 Bd4+ 16. Kh1 Qxd7 17. cxb6 Rfd8 {Sugonyak,D (2095)-Burmeister,F (2270) ICCF 2017 1/2-1/2 (31)}) 7... d6 (7... c6 8. Nc3 d6 (8... Ne8 9. Bf4 Bxc3 10. bxc3 Na6 11. Bh6 Ng7 12. Nd4 Qc7 13. Bf4 Qc8 14. d6 e6 15. e4 f6 16. Bh6 e5 17. Nb3 c5 18. f4 Qe8 19. Qd3 {Claridge,J (2225)-Laine,J (2267) ICCF 2015 1-0 (34)}) 9. e4 (9. Nd4 c5 10. Nc2 Nbd7 11. f4 a6 12. a4 h6 13. e4 Qc7 14. b3 Rfe8 15. Bd2 e6 16. Ne3 exd5 17. cxd5 Rab8 18. Qc2 Bc8 19. Qd3 Kh7 20. Ra2 Qd8 {Kocian,S (1675)-Chlubna,J (1826) ICCF 2015 0-1 (48)}) 9... Ba6 10. e5 dxe5 11. Nxe5 Nxd5 12. Nxf7 Rxf7 13. Nxd5 cxd5 14. Bxd5 Nd7 15. Bxa8 Qxa8 16. Qxd7 Qe4 17. Qd5 Qxd5 18. cxd5 Bxf1 {Deforel,J (2189)-Bericat,Á (2331) ICCF 2012 1/2-1/2}) (7... Na6 8. Nc3 Nc5 9. Nd4 (9. Qc2 c6 10. e4 cxd5 11. exd5 e6 12. Rd1 exd5 13. cxd5 Rc8 14. Nd4 Re8 15. Nc6 dxc6 16. dxc6 Qe7 17. cxb7 Nxb7 18. Bg5 h6 19. Bf4 Nc5 20. Rac1 Kh7 {Zavrazhnov,A (2358)-Vetter,G (2289) ICCF 2020 1/2-1/2 (53)}) (9. Be3 e6 10. Bd4 a5 11. Ne5 exd5 12. cxd5 Re8 13. Rc1 d6 14. Nc6 Bxc6 15. dxc6 Ne6 16. e3 Nxd4 17. exd4 d5 18. Re1 Rxe1+ 19. Qxe1 a4 20. Qe2 Ra5 {Knezevic,I (2349)-Edwards,K (2073) ICCF 2012 1/2-1/2 (28)}) (9. Re1 a5 10. e4 d6 11. Bg5 e5 12. Qd2 Bc8 13. Rad1 Bd7 14. h3 Qe8 15. Kh2 Nh5 16. Qe2 f5 17. Be3 Rb8 18. b3 f4 19. Bc1 h6 20. Nb5 Qd8 {Pavlyk,N (2297)-Wegelin,R (2281) ICCF 2020 1/2-1/2 (44)}) 9... e5 10. Nb3 (10. Ndb5 a6 11. Na3 a5 12. Nab5 Ne8 13. Be3 f5 14. a3 f4 15. Bxc5 bxc5 16. Ne4 d6 17. b4 axb4 18. axb4 Rxa1 19. Qxa1 cxb4 20. Qa5 Bc8 21. Qxb4 Nf6 {Ryzhkov,I (2342)-Garau,B (2342) ICCF 2015 1/2-1/2 (36)}) 10... d6 (10... Nxb3 11. axb3 a5 12. Bg5 h6 13. Bd2 d6 14. Qc2 Qe7 15. Rfb1 Rfe8 16. h3 Kh7 17. Nb5 Rec8 18. Bc3 h5 19. h4 Ng4 20. e4 Rf8 21. b4 axb4 22. Bxb4 {Pérez López,A (2407)-Vetter,G (2311) ICCF 2017 1/2-1/2 (48) }) 11. Nxc5 bxc5 (11... dxc5 12. e4 Ne8 13. a4 Nd6 14. b3 a5 15. Ra2 Qe7 16. Re2 Rae8 17. Rfe1 Bc8 18. Nb5 Qd8 19. Bb2 h5 20. Qa1 h4 21. f4 Bd7 22. Rf2 Bxb5 23. axb5 {Gleichmann,M (2528)-Stephan,J (2576) ICCF 2012 1-0 (77)}) 12. Rb1 ( 12. Bg5 Qd7 13. e4 Ne8 14. f3 a5 15. Qd2 Bc8 16. Qc2 f5 17. Bh3 Qf7 18. Bd2 Bd7 19. a4 f4 20. Bxd7 Qxd7 21. Kg2 g5 22. Ne2 Nf6 23. h3 Nh5 {Alfaro de Hombre,J (2306)-Vetter,G (2289) ICCF 2020 1/2-1/2 (27)}) 12... Nd7 13. e4 Bc8 14. Bh3 Rb8 15. b3 f5 16. f3 Nf6 17. Qc2 fxe4 18. Bxc8 Qxc8 {Mehlhorn,U (2355)-Jansà Girona,J (2096) ICCF 2017 1/2-1/2 (35)}) 8. Nc3 c5 (8... Nbd7 9. Nd4 a6 (9... a5 10. f4 Ba6 11. e4 Bxc4 12. Nc6 Qe8 13. e5 Nh5 14. Re1 dxe5 15. fxe5 e6 16. g4 exd5 17. Nxd5 Bxd5 18. Bxd5 Nxe5 19. gxh5 Qd7 20. Nxe5 Bxe5 21. Rxe5 { Blair,D (2029)-Wilshusen,H (1473) ICCF 2018 1-0}) 10. Nc6 Qe8 11. Bg5 h6 12. Be3 Ng4 13. Bd4 e5 14. dxe6 fxe6 15. Ne7+ Qxe7 16. Bxb7 Ra7 17. Be4 Nge5 18. Rc1 c5 19. Bxe5 Nxe5 20. b3 {Mulde,R-Stubbs,M (1913) ICCF 2009 1/2-1/2 (61)}) ( 8... e5 9. e4 a5 10. Bg5 Na6 11. Ne1 Qd7 12. f3 h6 13. Be3 Nc5 14. Nd3 h5 15. h4 Rfd8 16. Rf2 Ba6 17. b3 Qc8 18. Nb2 Qd7 19. a3 Bb7 20. Rb1 {Duchardt,A (2234)-Glembek,B (2236) ICCF 2015 1/2-1/2 (43)}) 9. h3 (9. e4 Bc8 10. Bd2 Bg4 11. h3 Bd7 12. e5 dxe5 13. Nxe5 Na6 14. Re1 {Parrott,L-Wakeham,M (1493) ICCF 2016 1-0}) 9... a6 10. a4 Nbd7 11. Bg5 Qc7 12. Qd2 Rfe8 13. Bf4 Rab8 14. Rfe1 Red8 15. e4 Ne5 16. Nxe5 dxe5 17. Bg5 a5 {Lukásová,A (2294)-Babulová,M (2202) ICCF 2015 1-0 (55)}) 6... d6 (6... Ne4 7. Nxe4 Bxe4 8. O-O O-O 9. Be3 ( 9. Ne1 Bxg2 10. Nxg2 d5 11. cxd5 Qxd5 12. e3 e5 13. dxe5 Qxd1 14. Rxd1 Bxe5 15. a4 Na6 16. f4 Bg7 17. Ra3 Rad8 18. Rad3 Rxd3 19. Rxd3 Nc5 20. Ra3 Rd8 {Dumont, G (1685)-Poncet,A ICCF 2016 0-1}) 9... c5 (9... e6 10. Rc1 Nc6 (10... d6 11. b4 Nc6 12. Bg5 Qe8 13. Qd2 e5 14. d5 Ne7 15. Qd1 a5 16. a3 axb4 17. axb4 Nf5 18. b5 Bxf3 19. exf3 Ra2 20. Re1 Qa8 21. Bh3 h6 22. Bxf5 {Deforel,J (2025)-Loisel, D (2214) ICCF 2018 1/2-1/2 (54)}) 11. Qd2 d5 12. Rfd1 dxc4 13. Rxc4 Bd5 14. Rc3 Qe8 15. b3 Rd8 16. Qc1 a5 17. Rd2 a4 18. bxa4 Ra8 19. Ne1 Bxg2 {Deforel,J (2025)-Solis,J (1875) ICCF 2018 1/2-1/2 (41)}) (9... d6 10. Qd2 Nd7 (10... e5 11. Rad1 (11. d5 a5 12. Bh3 Bxf3 13. exf3 f5 14. Qc2 Bf6 15. Bd2 Nd7 16. Rae1 Nc5 17. b3 Bg5 18. Bc3 Bf6 19. Re2 e4 20. fxe4 Nxe4 21. Bd2 Bg7 22. Bf4 Re8 { Koch,H (2318)-Dijk,H (2303) ICCF 2018 1/2-1/2 (25)}) 11... Nc6 12. d5 Ne7 13. b3 (13. Bh6 Bxh6 14. Qxh6 Bxf3 15. Bxf3 a5 16. Qd2 f5 17. e4 Kh8 18. Bg2 f4 19. Bh3 Ng8 20. f3 Kg7 21. Rf2 Nh6 22. Be6 Qe7 23. b3 Qf6 24. Rdf1 Nf7 {Sacripanti, G (2320)-Mauro,L (2331) ICCF 2017 1/2-1/2 (37)}) 13... a5 14. Qc1 Qc8 15. Rfe1 Bf5 16. Bd2 Bh3 17. Bxh3 Qxh3 18. Ng5 Qh5 19. f3 h6 20. Ne4 f5 21. Nc3 g5 22. Rf1 e4 23. f4 gxf4 24. Bxf4 Bxc3 25. Qxc3 Qxe2 26. Bxh6 Rf7 27. Rde1 Qh5 28. Be3 Kf8 29. Qb2 Ng6 30. Bd4 Re8 31. Qc2 Ree7 32. Qe2 Qh6 33. Kh1 Qh3 34. Qg2 Qg4 35. h3 Rh7 36. Kg1 Rxh3 37. Rxf5+ Kg8 38. Rg5 Qxg5 39. Qxh3 Qd2 40. Qc8+ Kh7 {1/2-1/2 (40) Köstner,W (2252)-Peut,A (2131) ICCF 2017 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 11. Bh6 (11. d5 Qc8 12. Rac1 Nf6 13. Nd4 Bxg2 14. Kxg2 c5 15. Nc6 Re8 16. f3 Nd7 17. Bg5 Bf6 18. e4 Nb8 19. Bxf6 exf6 20. Nxb8 Rxb8 21. g4 Re5 22. h3 {Löschnauer,R (2471)-Gerbich,V (2450) ICCF 2011 1/2-1/ 2 (26)}) (11. Rad1 Nf6 12. d5 c5 13. dxc6 Bxc6 14. Bh6 Rc8 15. b3 Qc7 16. Bxg7 Kxg7 17. Rfe1 Rfd8 18. Bh3 Bd7 19. Bxd7 Qxd7 20. e4 Qc7 21. Nd4 a6 22. a4 Qb7 { Sacripanti,G (2248)-Wieringen,C (2205) ICCF 2012 1/2-1/2 (37)}) 11... Nf6 12. Rfd1 c5 13. Rac1 Qd7 14. b3 Rfc8 15. Bxg7 Kxg7 16. Ng5 Bxg2 17. Kxg2 h6 18. Nh3 cxd4 19. Qxd4 b5 20. cxb5 Qxb5 21. Qb2 {Parrott,L-Wakeham,M (1530) ICCF 2017 0-1 (26)}) (9... d5 10. Qc1 (10. Rc1 dxc4 11. Rxc4 a5 12. b3 Na6 13. Ng5 Bxg2 14. Kxg2 Qd5+ 15. Nf3 Rfe8 16. Qd2 Rad8 17. Rd1 Qa8 18. Qc1 e5 19. dxe5 Rxd1 20. Qxd1 Bxe5 21. Rc2 {Whaley,M (2331)-Goffin,P (2336) ICCF 2012 1/2-1/2 (25)}) (10. Qa4 Qd7 11. Qxd7 Nxd7 12. Rac1 Rac8 13. Bh3 Bxf3 14. exf3 f5 15. cxd5 Nf6 16. f4 Nxd5 17. Rc6 Rfd8 18. Rfc1 a5 19. a3 Rd7 20. Bf1 Rcd8 21. Bb5 Rd6 { Bukowski,G-Underwood,W (2019) ICCF 2014 1/2-1/2 (52)}) 10... dxc4 11. Qxc4 Bd5 12. Qc1 Nc6 13. Rd1 Rc8 14. Bh6 Qd6 15. Bxg7 Kxg7 16. Qc3 Kg8 17. a3 Rfd8 18. Bh3 f5 19. Ng5 e6 20. e4 Bxe4 21. Nxe4 {Buczinski,H (2322)-Alexandre Bisquert, F (2303) ICCF 2006 1-0 (52)}) (9... Nc6 10. d5 Nb4 11. Bg5 a5 12. Qd2 Re8 13. h4 c6 14. a3 Na6 15. Rad1 a4 16. Bh6 Bf6 17. Bh3 Bxf3 18. exf3 Nc5 19. Qe2 Qc7 20. Bf4 d6 21. Be3 {Mislin,R (2304)-Oskulski,P (2304) ICCF 2017 1/2-1/2 (37)}) 10. Qd2 d6 11. Bh6 Nd7 (11... Nc6 12. Bxg7 Kxg7 13. d5 Nb8 14. Qc3+ Kg8 15. Qe3 Bxf3 16. Bxf3 Nd7 17. Bg2 Rb8 18. f4 b5 19. b3 bxc4 20. bxc4 Nb6 21. Rfc1 Qd7 22. a4 {Disque,P-Ruiz,G (1740) ICCF 2018 0-1 (38)}) 12. Rfd1 (12. Bxg7 Kxg7 13. Rad1 (13. d5 b5 14. b3 Nf6 15. Bh3 Bxf3 16. exf3 Rb8 17. Rfe1 bxc4 18. bxc4 Rb4 19. Qc3 Qc7 20. Re3 Rfb8 21. Bf1 Rb1 22. Kg2 Rxa1 23. Qxa1 Qb7 24. Qe1 Kf8 { Kirsanov,V (2175)-Bogatyrev,I (2302) ICCF 2019 1/2-1/2 (39)}) (13. Bh3 Rb8 14. Nh4 Bb7 15. d5 Nf6 16. a4 a6 17. b3 b5 18. axb5 axb5 19. Qe3 Re8 20. Ra7 Bc8 21. Bxc8 Qxc8 22. Rxe7 Rxe7 23. Qxe7 bxc4 24. bxc4 Qa6 {Laitila,J (1972)-Arppi, H (2289) ICCF 2020 1/2-1/2 (28)}) 13... Qc7 14. b3 Nf6 15. Qc3 cxd4 16. Nxd4 Bxg2 17. Kxg2 d5 18. Nf3 Rfd8 19. Rc1 dxc4 20. Qxc4 Qb7 21. Qc7 {Cardoso García,S (2198)-Troia,E (2297) ICCF 2013 1/2-1/2}) 12... Qc7 13. Bxg7 Kxg7 14. Ne1 Nf6 15. f3 (15. Rac1 e5 16. f3 Bb7 17. d5 b5 18. cxb5 a6 19. b6 Qxb6 20. e4 Rfb8 21. Nc2 a5 22. Ne3 Ba6 23. Rc2 {Kumar,P (2230)-Gupta,A (2066) ICCF 2012 1/ 2-1/2 (32)}) 15... Bb7 16. d5 b5 17. b3 Rab8 18. Nd3 {Paredes,C (2450)-Silva,F (2357) ICCF 2015 1-0 (42)}) 7. O-O O-O (7... Nbd7 8. d5 c6 9. Nd4 cxd5 10. cxd5 a6 11. Nc6 Qc7 12. Bg5 Nb8 13. Rc1 Bxc6 14. dxc6 e6 15. Bf4 Ke7 16. Qa4 Ra7 17. Rfd1 Rd8 {Zárate,J (2299)-De Virgilio,O (1742) ICCF 2013 1-0}) 8. Qc2 (8. Bf4 Nbd7 9. Qb3 (9. d5 e5 10. Bg5 Qc8 11. Qd2 Re8 12. Bh6 Ng4 13. Bxg7 Kxg7 14. h3 Ngf6 15. e4 Nc5 16. Qe3 a5 17. Nd2 h5 18. f4 c6 19. dxc6 Bxc6 {Ragan,A-Ruswick, D ICCF 2008 1-0 (26)}) 9... Re8 10. Rfd1 Qc8 11. Bh3 h6 12. Ne5 e6 13. Nxd7 Qxd7 14. d5 Qe7 15. Rac1 a6 16. Bg2 Rab8 17. h3 b5 18. e4 exd5 19. cxd5 Nd7 { Otspere,U (2034)-Stubbs,M (1905) ICCF 2009 1/2-1/2 (60)}) 8... Nbd7 (8... c5 9. d5 a6 10. a4 Re8 11. Re1 Nbd7 12. h3 Qc7 13. e4 Rab8 14. Bd2 Bc8 15. b3 h6 16. Re2 e6 17. dxe6 Rxe6 18. Rae1 Bb7 19. Qc1 Kh7 20. Nd5 {Santos,M (2411) -Nierobisz,J (2354) ICCF 2009 1-0 (56)}) 9. Rd1 (9. e4 c5 10. d5 a6 11. a4 Rb8 12. Bd2 Qc7 13. h3 e6 14. Rfe1 h6 15. dxe6 fxe6 16. e5 Bxf3 17. exf6 Rxf6 18. Rxe6 Rxe6 19. Bxf3 Nf8 20. Bd5 Kh7 {Schulz,K-Boumbar,M (2257) ICCF 2008 1-0 (37)}) 9... a6 (9... Re8 10. h3 c5 11. d5 Nh5 12. g4 Nhf6 13. Bf4 a6 14. e4 Qc7 15. Re1 Ne5 16. Nxe5 dxe5 17. Be3 h5 18. g5 Nd7 19. a3 {Köhler,J (2172) -Anonymous,P (1891) ICCF 2010 1-0 (29)}) 10. a4 Qe8 11. a5 Kh8 12. e4 Ng8 13. Be3 e5 14. dxe5 dxe5 15. Nd5 Rc8 16. Bh3 {Viaud,T (1901)-Wilshusen,H (1572) ICCF 2017 1-0}) (4... Bxf3 5. exf3 e6 6. Bg2 c6 7. O-O Be7 8. Nc3 d5 9. cxd5 cxd5 10. Bf4 Nc6 11. Qa4 Qd7 12. Rfc1 O-O 13. Be3 Na5 14. Qxd7 Nxd7 15. Rc2 Nc4 16. Bf1 {Johnston,A (2210)-Ciklabakkal,M (1801) ICCF 2010 1-0 (75)}) 5. d5 b5 ( 5... e6 6. Nc3 exd5 7. cxd5 d6 8. e4 Be7 9. Bc4 O-O 10. O-O Nbd7 11. Re1 Re8 12. Bf1 a6 13. a4 Bf8 14. Qc2 h6 15. b3 g5 16. Bb2 Bg7 17. h3 {Knol,E (2372) -Scott,R (1619) ICCF 2020 1-0 (39)}) 6. Bg2 (6. b3 e6 (6... g6 7. Bb2 Bg7 8. Bg2 O-O 9. O-O d6 10. Nbd2 Re8 11. Re1 Nbd7 12. Qc2 bxc4 13. bxc4 Rb8 14. e4 e6 15. Rad1 Qc7 16. Bh3 exd5 17. cxd5 Ba6 18. Bc3 {Stangl,J (2205)-Marcuzzo,G (2200) ICCF 2020 1/2-1/2 (42)}) 7. dxe6 fxe6 8. Bg2 Qa5+ 9. Nbd2 bxc4 10. bxc4 Qc7 11. O-O Nc6 12. Rb1 Be7 13. Ng5 O-O 14. Nde4 Ng4 15. Bf4 Rxf4 16. gxf4 Qxf4 17. Ng3 Qc7 {Sodomski,A (2281)-Deforel,J (2038) ICCF 2017 1-0 (41)}) 6... bxc4 7. e4 (7. Nc3 d6 8. Nd2 g6 9. Nxc4 Bg7 10. Qa4+ Nbd7 11. Na5 Qc7 12. O-O O-O 13. Nxb7 Qxb7 14. Qc2 {Singeisen,H (2215)-Lloyd,G (2314) ICCF 2012 1/2-1/2 (28) }) 7... d6 8. O-O g6 9. e5 dxe5 10. Nxe5 Bxd5 11. Qa4+ Nbd7 12. Rd1 Bxg2 13. Kxg2 Qc7 14. Bg5 Rd8 15. Bxf6 exf6 16. Nxd7 Rxd7 17. Nc3 Bd6 18. Kg1 Be5 19. Rd5 Qb7 20. Rad1 Bd4 21. Rxd7 (21. b4 cxb3 22. Re1+ Kd8 23. Rxd7+ Qxd7 24. Qxb3 Bxc3 25. Qxc3 Qc6 26. Qb3 Kc7 27. Rb1 Rf8 28. h4 f5 29. Qc3 Kd7 30. Qd3+ Qd6 31. Qb3 Qc6 32. Qc4 Ke7 {Burmeister,F (2222)-Carralero Rodríguez,I (2222) ICCF 2020 1/2-1/2 (49)}) 21... Qxd7 22. Re1+ Kd8 23. Nb5 Be5 24. Rd1 Bd4 25. b4 Ke7 26. bxc5 a6 27. Rxd4 Qxb5 28. Re4+ {1/2-1/2 (28) Kragten,J (2350) -David-Bordier,C (2362) ICCF 2019 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 4. cxd5 Nxd5 5. e4 Nf6 6. Bd3 Bb7 7. e5 Nd5 8. O-O e6 9. Bg5 Be7 10. Bxe7 Qxe7 11. Nc3 Nxc3 12. bxc3 Nd7 13. Nd2 O-O 14. Qh5 g6 {Lisý,J (1816)-Calkins,D ICCF 2010 1/2-1/2 (52)}) (3. f3 Nc6 (3... e6 4. e4 Bb4+ (4... d6 5. Nc3 Be7 6. Bd3 Nbd7 7. Nge2 c5 8. b3 a6 9. d5 exd5 10. exd5 Ne5 11. Bc2 O-O 12. f4 Ng6 13. O-O Re8 14. a4 Bd7 15. Ra2 b5 16. Ng3 {Wójcik,W (2319)-Blittkowsky,R (2079) ICCF 2021 1-0 (34)}) 5. Nc3 (5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. O-O-O Nc6 9. g4 e5 10. Nge2 exd4 11. Nxd4 Nxd4 12. Qxd4 Nd7 13. h4 Bb7 14. Kb1 a5 15. Nd5 Nc5 16. Bd3 f6 {Walton,J (2135)-Dam,J (2075) ICCF 2019 1-0 (52)}) 5... Bxc3+ 6. bxc3 d6 7. Bd3 Bb7 8. Ne2 h6 9. O-O O-O 10. Ng3 c5 11. f4 cxd4 12. cxd4 Nc6 13. Bb2 Nb4 14. Bb1 Qc7 15. e5 {Merrow,C (2116)-Pivirotto,F (1869) ICCF 2009 1-0 (46)}) (3... Bb7 4. Nc3 (4. e4 c5 5. e5 Ng8 6. d5 g6 7. Nc3 Bg7 8. Bf4 f6 9. exf6 Nxf6 10. Qd2 O-O 11. O-O-O Na6 12. h4 e6 13. Bg5 exd5 14. cxd5 b5 15. Bxb5 Nb4 {Klemmer,M (2020)-Scott,R (1599) ICCF 2021 1-0 (36)}) 4... e6 5. e4 Be7 6. Be3 O-O 7. Bd3 Qc8 8. e5 Ne8 9. Qc2 Na6 10. Bxh7+ Kh8 11. Be4 Nb4 12. Qe2 Bh4+ 13. g3 {1-0 (13) Evans,C-Walper,C ICCF 2017}) (3... c5 4. d5 g6 (4... d6 5. e4 h5 6. f4 Nxe4 7. Nf3 e6 8. Bd3 exd5 9. cxd5 Nf6 10. O-O Be7 11. Nc3 O-O 12. Re1 Re8 13. a3 Na6 14. Bb5 Nc7 15. Bxe8 Qxe8 16. b4 {Lopes,M-Almeida,M (2004) ICCF 2010 1-0 (41)}) 5. Nc3 d6 6. e4 Bg7 7. Nge2 O-O 8. Bg5 Nbd7 9. Qd2 h5 10. Ng3 Nh7 11. Bh4 a6 12. a4 Kh8 13. Be2 Bd4 14. Nf1 Kg7 15. Ne3 {Sherwood,R (2357) -Cornes,C (1902) ICCF 2020 1-0 (33)}) 4. Nc3 (4. d5 Ne5 5. e4 e6 6. Nc3 Bc5 7. Nh3 exd5 8. cxd5 O-O 9. Be2 c6 10. f4 Ng6 11. d6 Bb7 12. a3 b5 13. e5 Nd5 14. Nxd5 cxd5 15. Ng5 Rc8 {Roig García,J-Minte,D ICCF 2012 0-1 (40)}) 4... e5 ( 4... e6 5. e4 Bb4 6. Nge2 O-O 7. a3 Be7 8. Ng3 Ne8 9. Be2 f5 10. exf5 exf5 11. f4 Bf6 12. Be3 Ne7 13. Bf3 c6 14. O-O d5 15. cxd5 cxd5 16. Nh5 {Sesko,M (2230) -Vecek,M (2263) ICCF 2014 1/2-1/2 (42)}) 5. d5 Ne7 (5... Na5 6. e4 Bb4 (6... Bc5 7. Rb1 Nb7 8. a3 O-O 9. Bd3 Bxg1 10. Rxg1 Nh5 11. g3 d6 12. Be3 Bd7 13. b4 a5 14. Kd2 h6 15. f4 Nf6 16. f5 axb4 17. axb4 c5 18. b5 {Relyea,A (2273) -Tirrell,D (2259) ICCF 2020 1-0 (27)}) (6... Be7 7. Bd3 O-O 8. Nge2 h5 9. Be3 Ba6 10. b3 h4 11. g3 c6 12. gxh4 Nb7 13. Qd2 Bc5 14. Bxc5 Nxc5 15. Bc2 cxd5 16. exd5 Ne8 17. O-O-O Qxh4 18. Rdg1 {Kaplan,S-Polchowski,T (1671) ICCF 2020 1-0 (36)}) 7. Bd2 Nb7 8. a3 Bd6 9. Bd3 a5 10. Nge2 h5 11. Ng3 g6 12. O-O Bc5+ 13. Kh1 h4 14. Nge2 Nh5 15. Qe1 a4 16. f4 d6 17. Bc2 {Hollands,G (2217)-Oleksak,A (2159) ICCF 2015 0-1}) 6. e4 (6. Qc2 Ng6 7. g4 Bb4 8. h4 h6 9. Bd2 a5 10. e3 d6 11. Bd3 Bxc3 12. Bxc3 Ne7 13. O-O-O b5 14. Ne2 b4 15. Be1 Nd7 16. Ng3 Nc5 17. Qd2 Ng6 {Gitananda,R (2248)-Marcuzzo,G (2200) ICCF 2020 1/2-1/2 (55)}) (6. e3 Ng6 7. a3 a5 8. Bd3 Ba6 9. Nge2 Bc5 10. Ng3 O-O 11. Rb1 c6 12. b4 axb4 13. axb4 Bd6 14. Nf5 Qc7 15. O-O cxd5 16. c5 Be7 17. Bxa6 Rxa6 {Sisák,R (1842)-Berko,M (2083) ICCF 2016 1/2-1/2 (26)}) 6... Ng6 7. h4 (7. Nge2 Nh5 (7... h6 8. h4 Nh5 9. Be3 Bb4 10. Qd2 d6 11. g3 a5 12. O-O-O Bc5 13. Bxc5 bxc5 14. Bh3 Ba6 15. Qc2 O-O 16. b3 Qb8 17. Rdg1 Qb4 18. Bd7 Rfd8 19. Ba4 {Vaillant,F (2313)-Wojtyra,S (2344) ICCF 2018 1-0 (66)}) 8. Be3 a6 (8... Bc5 9. Bxc5 bxc5 10. d6 O-O 11. Qd5 Ba6 12. b3 cxd6 13. Qxd6 Qa5 14. Rc1 Rad8 15. h4 Rfe8 16. g3 Bb7 17. Bh3 Re6 18. Qd2 Ra6 19. Qe3 h6 20. Kf2 {Kamanel Zamora,J (2353)-Jugl,P (2351) ICCF 2020 1-0 (41)}) 9. Qd2 Bc5 10. Bxc5 bxc5 11. g3 d6 12. O-O-O O-O 13. h4 h6 { Bucsa,I (2372)-Zaas,P (2350) ICCF 2021}) (7. Be3 Bc5 8. Qd2 d6 9. O-O-O Bxe3 10. Qxe3 Bd7 11. Be2 a6 12. Kb1 Qb8 13. Nh3 Bxh3 14. gxh3 O-O 15. Rhg1 Qd8 16. h4 Nxh4 17. Qg5 Ng6 18. Rdf1 Nd7 {Brião,P (1803)-Knöppel,B (2047) ICCF 2020 0-1 (53)}) 7... Bc5 8. Nge2 h6 9. Bd2 (9. a3 Nh5 10. b4 Be7 11. g3 a5 12. b5 Bc5 13. Na4 d6 14. Nxc5 bxc5 15. Bd2 O-O 16. Qb3 Nf6 17. Qe3 a4 18. O-O-O Nd7 19. Nc3 Nb6 20. Bd3 Ne7 {Dimitrios,E-Dam,J (2075) ICCF 2019 1-0 (37)}) (9. h5 Nf8 10. Ng3 N8h7 11. a3 O-O 12. Nf5 a5 13. d6 Ba6 14. Qd3 cxd6 15. Qd1 Bb7 16. Be3 Ne8 17. Qd2 Ng5 18. O-O-O Rb8 19. Kb1 Ne6 20. Bd3 Bc6 {Colin,S (2439) -Mulligan,B (2399) ICCF 2020 1-0 (50)}) 9... Nh5 10. Qc2 a5 (10... Qf6 11. Rh2 d6 12. O-O-O O-O 13. Kb1 Qe7 14. g4 Nhf4 15. Nxf4 Nxf4 16. a3 Bd7 17. b4 Bd4 18. Nb5 Bxb5 19. cxb5 Qf6 20. g5 hxg5 21. hxg5 Qxg5 22. Bc4 {Gonzaga Grego,L (2360)-Parisi,C (2106) ICCF 2021 1-0 (30)}) 11. g3 Ba6 12. Qd3 O-O 13. O-O-O c6 14. f4 Nf6 15. h5 Ne7 16. Qf3 Bxc4 17. fxe5 Nh7 18. Qg4 Kh8 19. Nf4 cxd5 20. exd5 b5 21. Bxc4 bxc4 22. Na4 Bb4 23. Be3 d6 24. Bd4 dxe5 25. Bxe5 Ng5 26. Nh3 f6 27. Nxg5 hxg5 28. Bc3 Qc8 29. Qe4 Qf5 30. Rhe1 Qxe4 31. Rxe4 Nf5 32. g4 Nd6 33. Re6 Rfd8 34. Bd4 Nf7 35. Nb6 Rab8 36. a3 Bd6 37. Kc2 Kh7 38. a4 Bb4 39. Bc3 Nd6 40. Bxb4 axb4 41. a5 Rb7 42. b3 Rc7 43. Nxc4 Nxc4 44. bxc4 Rxc4+ 45. Kb3 Rxg4 46. Rc6 Re4 47. d6 Re6 48. a6 Rd7 49. Kxb4 g4 50. Kc5 g3 51. Rc7 Rdxd6 52. Rxd6 g2 53. Rd1 Rxa6 54. Rg1 Ra2 55. Kd4 Kh6 56. Ke3 g6 57. hxg6 {1-0 (57) Ludgate,A (2474)-Mulligan,B (2399) ICCF 2020 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 3... Bb7 (3... Ba6 4. e4 Nc6 5. d5 Na5 6. b4 Nb7 7. b5 Nc5 8. bxa6 Nxa6 9. e5 Nxd5 10. cxd5 Nb8 11. Nf3 g6 12. Bc4 Bg7 13. d6 cxd6 14. Qd5 e6 15. Qxa8 {Martínez Puigrós,R (1912)-Vaessen,J (1084) ICCF 2021 1-0 (32)}) ( 3... d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 g6 7. Bb5+ Bd7 8. a4 a6 9. Be2 Bg7 10. Nf3 O-O 11. O-O Nc6 12. h3 e5 13. Re1 Bc8 14. Bc4 Bb7 15. Bd5 {Sørensen, M-Ramírez Moyano,L (2111) ICCF 2009 1-0 (29)}) (3... d6 4. e4 Bb7 5. Bd3 e5 6. d5 Nbd7 7. Nf3 Be7 8. Bd2 O-O 9. O-O a5 10. a3 Re8 11. Qe2 Qc8 12. b4 Nf8 13. Rfb1 Ng6 14. g3 Qd7 15. Ne1 {David-Bordier,C (2251)-Oleksak,A (2159) ICCF 2015 1-0 (91)}) (3... g6 4. e4 d6 5. Nf3 Bb7 6. Bd3 Bg7 7. O-O O-O 8. Re1 Nbd7 9. h3 e5 10. d5 Nc5 11. Bc2 a5 12. a3 c6 13. Be3 Ncd7 14. dxc6 Bxc6 15. Qxd6 { Shabaev,V (2076)-Nichol,J (1310) ICCF 2020 1-0 (41)}) 4. Qc2 (4. f3 d5 (4... Nc6 5. e3 (5. e4 e5 6. dxe5 Nxe5 7. b3 Bb4 8. Bb2 O-O 9. Bd3 Nh5 10. Nge2 Qh4+ 11. Kd2 Nxd3 12. Kxd3 f5 13. exf5 Qg5 14. Qf1 Qxf5+ 15. Kd2 Qg5+ 16. Kc2 Qg6+ { Roldán,C (1813)-Braak,J (1945) ICCF 2011 0-1}) 5... e6 6. Nge2 (6. a3 d5 7. b4 g6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxd5 exd5 11. Nge2 Bg7 12. Kf2 O-O 13. Nf4 Ne7 14. g4 g5 15. Nd3 f5 16. h3 Ng6 17. Ne1 Qd6 {Jakobi,W (1561)-Polchowski,T ICCF 2020 0-1}) 6... Bd6 7. e4 Nh5 8. Be3 O-O 9. g4 Qf6 10. Ng1 Nf4 11. Qd2 Ng6 12. O-O-O Bf4 13. Nge2 Bxe3 14. Qxe3 Qh4 15. Ng3 a5 16. Be2 {Jamieson,I (2042) -Riihimäki,V (2011) ICCF 2012 0-1 (36)}) (4... d6 5. e4 g6 6. Nh3 Bg7 7. Be2 Nbd7 8. Be3 c5 9. d5 a6 10. Nf2 O-O 11. Qd2 Qb8 12. O-O Qc7 13. Bh6 Rfe8 14. Bxg7 Kxg7 15. Rad1 Rad8 16. f4 {Mrkvicka,J (2458)-Fuhr,M (2232) ICCF 2014 1-0 (37)}) 5. cxd5 Nxd5 6. Nxd5 (6. e4 Nxc3 7. bxc3 e6 8. Bc4 Be7 9. Ne2 O-O 10. O-O c5 11. d5 exd5 12. exd5 Bd6 13. Bf4 Bxf4 14. Nxf4 Qd6 15. Qd2 Nd7 16. Be2 Rad8 17. c4 Rfe8 {Hildebrand,G (2357)-Trani,F (1976) ICCF 2014 1-0 (59)}) 6... Bxd5 (6... Qxd5 7. e4 Qd7 8. Be3 e6 9. Bc4 Bb4+ 10. Kf2 O-O 11. Ne2 Be7 12. Rc1 b5 13. Qb3 a6 14. Rhd1 c6 15. Bd3 Qd8 16. g3 Nd7 17. Nf4 Bg5 18. Kg2 {Ermolaev, A (2442)-Palm,W (2323) ICCF 2013 1-0 (52)}) 7. e4 Bb7 8. Be3 e6 9. Ne2 Bd6 10. Qd2 Qh4+ 11. Bf2 Qe7 12. Nc3 O-O 13. O-O-O Rd8 14. Kb1 Nc6 15. Qc1 e5 { Schäfer,U (2460)-Mulligan,B (2399) ICCF 2020 1/2-1/2 (41)}) (4. d5 c6 (4... e6 5. e4 exd5 (5... Bb4 6. Bd3 exd5 7. exd5 Bxc3+ 8. bxc3 O-O 9. Ne2 d6 10. O-O Nbd7 11. Nd4 h6 12. f4 Nc5 13. Bc2 Re8 14. Qf3 Ba6 15. Nb5 Bxb5 16. cxb5 a6 17. bxa6 {O'Neill-MCAleenan,C (1524)-Nissen,H ICCF 2005 0-1}) 6. exd5 d6 7. Nf3 g6 8. Bg5 Nbd7 9. Be2 Bg7 10. O-O O-O 11. Nd4 h6 12. Bh4 a6 13. f4 Qc8 14. f5 Nc5 15. b4 Nce4 16. Qc2 {Jokipii,G (1435)-Czestochowski,E ICCF 2016 0-1}) 5. e4 cxd5 6. cxd5 e6 7. Bc4 exd5 8. Nxd5 Nxd5 9. Bxd5 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Bxd5 12. Qxd5 Nc6 13. Nf3 Rc8 14. Ng5 O-O 15. O-O Qe7 {Tanner,A-Dunn,J ICCF 2011 0-1}) 4... d6 (4... Na6 5. Nf3 Nb4 6. Qb1 Bxf3 (6... e6 7. e4 a5 (7... d6 8. a3 Nc6 9. Be2 Be7 10. O-O O-O 11. Rd1 Nd7 12. Be3 Bf6 13. b4 a6 14. Qb3 Qe7 15. c5 bxc5 16. dxc5 dxc5 17. Bxc5 Nxc5 18. bxc5 Qxc5 19. Qxb7 {Howard,J (1891) -Wilson,G (1908) ICCF 2016 1-0 (26)}) 8. a3 Na6 9. Bd3 d6 10. O-O h6 11. Qc2 Be7 12. Rd1 O-O 13. Qe2 Qc8 14. Bc2 Rd8 15. Bf4 Nd7 16. Rd2 Kh8 17. Re1 Re8 18. e5 {Csiba,T-Zunkovic,S ICCF 2012 1-0 (26)}) 7. gxf3 e6 8. e4 Nh5 9. h4 Qf6 10. f4 c5 11. Nb5 cxd4 12. Nc7+ Kd8 13. e5 Qg6 14. f5 Qg4 15. Nxa8 Nc6 16. Be2 { Legemaat,G (2326)-Carapinha,F (1865) ICCF 2010 1-0 (66)}) (4... c5 5. d5 e6 6. e4 d6 7. f4 exd5 8. cxd5 Be7 9. Nf3 O-O 10. Be2 Na6 11. O-O Re8 12. Bc4 Nc7 13. b3 a6 14. Bd3 b5 15. Bb2 Nh5 16. Ne2 {Buchan,A (2267)-Scott,R (1599) ICCF 2021 1-0 (28)}) (4... Nc6 5. Nf3 e6 6. e4 d6 7. Be3 Be7 8. Be2 O-O 9. Rd1 h6 10. O-O a6 11. d5 exd5 12. cxd5 Ne5 13. Nd4 Ng6 14. a4 Re8 15. Rfe1 Nh7 16. f4 { Koops,M (1915)-Belter,E (1720) ICCF 2020 1-0}) (4... d5 5. cxd5 Nxd5 6. Nf3 (6. e4 Nxc3 (6... Nf6 7. Nf3 e6 8. Bd3 Ba6 9. Bxa6 Nxa6 10. Qa4+ Qd7 11. Qxa6 Bb4 12. O-O O-O 13. Qd3 h6 14. Ne5 Qe8 15. Rd1 a6 16. Bf4 Bd6 17. Rac1 Nh5 18. Bd2 {Quiñones Borda,J (2204)-Azzi,R (1614) ICCF 2015 1-0 (27)}) 7. bxc3 e5 8. Nf3 (8. dxe5 Nd7 9. Nf3 Qe7 10. Bf4 O-O-O 11. Bb5 Nc5 12. O-O a6 13. Be2 h6 14. Rfd1 g5 15. Rxd8+ Qxd8 16. Rd1 Qe8 17. Be3 Qa4 18. Qd2 Be7 19. Bxc5 Bxc5 { Wimmer,R (2111)-Macchiagodena,M (2298) ICCF 2018 1/2-1/2 (27)}) 8... exd4 (8... Nd7 9. Bc4 exd4 (9... Bd6 10. Ng5 O-O 11. f4 exf4 12. h4 Qe7 13. e5 g6 14. O-O (14. Bxf4 Bxe5 15. dxe5 Nxe5 16. Qe2 Rae8 17. Bxe5 Qxe5 18. Qxe5 Rxe5+ 19. Kf2 Kg7 20. Bb3 Rfe8 21. Rae1 Rxe1 22. Rxe1 Rxe1 23. Kxe1 h6 24. Nxf7 Bxg2 25. Kf2 Bc6 {Ylipartanen,J (2201)-Jabot,D (2249) ICCF 2020 1-0 (47)}) 14... Bxe5 15. Qf2 Rae8 16. Bxf4 Bxf4 17. Qxf4 Qe3+ 18. Qxe3 Rxe3 19. Bxf7+ Kh8 20. Rae1 Rxe1 21. Rxe1 {Sánchez Ortega,R (2242)-Jabot,D (2208) ICCF 2019 1-0 (34)}) 10. O-O d3 (10... Be7 11. cxd4 O-O 12. Re1 Kh8 13. Bb2 a6 14. a4 Rb8 15. Ba2 Nf6 16. Rad1 Rc8 17. d5 Kg8 18. Nd4 Bb4 19. Re3 Bc5 20. Rf3 Bxd4 21. Bxd4 Ne8 22. Rg3 { Rogos,J (2518)-Bester,B (2419) ICCF 2012 1-0 (27)}) 11. Qxd3 Qe7 12. Rd1 O-O-O 13. Ng5 Ne5 14. Qxd8+ Qxd8 15. Rxd8+ Kxd8 16. Bf4 Nxc4 17. Nxf7+ {1-0 (17) Laghetti,G (2472)-Lalic,B ICCF 2016}) 9. Bc4 Nc6 (9... Bc5 10. cxd4 Bb4+ 11. Kf1 O-O 12. h4 Nc6 13. Bd5 Qd7 14. Rh3 Rfe8 15. Bb2 Bd6 16. a3 Na5 17. Bxb7 Nxb7 18. e5 Be7 19. Ng5 Bxg5 20. hxg5 g6 21. Kg1 {Ruokokoski,H-Riihimäki,V (1953) ICCF 2014 1-0 (52)}) 10. O-O d3 11. Bxd3 Bc5 (11... Qe7 12. a4 (12. Rd1 O-O-O 13. Bg5 f6 14. Be3 Qe8 15. a4 Na5 16. Nd4 (16. c4 Nc6 17. e5 Kb8 18. Bxh7 Be7 19. Be4 Rxd1+ 20. Qxd1 Bb4 21. Rb1 Bc3 22. c5 Bxe5 23. Qd3 Qe6 24. cxb6 axb6 25. Bxb6 cxb6 26. Rxb6 Kc7 27. Rb1 Rb8 {Michiels,A (1939)-Kos,I ICCF 2013 1/2-1/2 (36)}) 16... Bc5 17. Rab1 g5 18. Rb5 h5 19. Rdb1 Qe5 20. f3 g4 21. Kh1 h4 22. f4 {1/2-1/2 (22) Battaglia,R (2071)-Kos,I ICCF 2013}) 12... O-O-O 13. Bf4 Kb8 14. a5 Nxa5 15. Rxa5 bxa5 16. Rb1 Ka8 17. Nd4 c5 18. Nb5 Rd7 19. Qa2 a6 20. Qxa5 c4 21. Bxc4 Qxe4 22. Nc7+ Rxc7 23. Rxb7 {Tsenkov,L (2395)-Knöppel,B (2047) ICCF 2020 1-0 (36)}) 12. e5 Ne7 (12... h6 13. e6 fxe6 14. Bg6+ Kf8 15. Bf4 Bd6 16. Rad1 Qe7 17. Bg3 Bxg3 18. fxg3 Kg8 19. Qe2 Rf8 20. Nh4 Rf6 21. Bc2 Qc5+ 22. Kh1 Qe5 23. Be4 Qxc3 24. Ng6 {Giannetto,S (2410)-Fernández,J (2042) ICCF 2007 1-0 (39)}) 13. Bg5 Bxf3 14. gxf3 c6 15. Rad1 Qc7 16. Bf5 Nxf5 17. Qxf5 Be7 {Graf,H (2121)-Johansson,C (2168) ICCF 2009 1-0 (36)}) (6. Bd2 Nxc3 7. Bxc3 Qd5 8. Nf3 e6 9. e3 Bd6 10. Bd3 Qh5 11. e4 Nd7 12. e5 Be7 13. Be4 Bd5 14. O-O O-O 15. Rfe1 Bxe4 16. Qxe4 Rac8 17. Qc6 Rfd8 {Moskvichev,V (2036)-Oleksak, A (1989) ICCF 2010 1-0 (75)}) 6... Nxc3 (6... g6 7. Bd2 Bg7 8. e4 Nxc3 9. Bxc3 Qd6 10. h4 Nd7 11. h5 gxh5 12. Rxh5 O-O-O 13. Bd3 Kb8 14. O-O-O c5 15. d5 Bxc3 16. bxc3 e6 17. Bc4 Qf4+ 18. Kb2 {Zhak,B (2500)-Rüfenacht,M (2396) ICCF 2009 1/2-1/2 (32)}) 7. bxc3 e6 (7... g6 8. e4 Bg7 9. Bb5+ (9. Bf4 O-O 10. Be2 Nd7 11. O-O e5 12. Bg5 Qe8 13. d5 Nc5 14. Nd2 f5 15. f3 Qa4 16. Qb2 Qe8 17. Rad1 Bc8 18. exf5 gxf5 19. Be3 Nb7 20. Bd3 Nd6 {Zakharov,V (2010)-Blittkowsky,R (2019) ICCF 2011 1/2-1/2 (36)}) (9. Bd3 O-O 10. O-O c5 11. d5 Qc7 12. Be3 Nd7 13. Bc4 h6 14. a4 Kh7 15. g3 Rad8 16. Bf4 Qc8 17. Rfe1 Ba6 18. Nd2 g5 19. Bxa6 Qxa6 20. Be3 Ne5 {Sesko,M (2243)-Kratochvíl,J (2237) ICCF 2019 1/2-1/2 (28)}) (9. Bc4 O-O 10. O-O Nc6 11. Be2 Na5 12. Bf4 Qd7 13. Rad1 c5 14. d5 e6 15. c4 exd5 16. cxd5 f5 17. e5 Bxd5 18. Rfe1 Qc6 19. Bd2 Rad8 20. Bxa5 bxa5 {Brault,S (1783)-Paxton,W ICCF 2020 1-0 (28)}) 9... Nd7 (9... c6 10. Be2 O-O 11. O-O Qc7 12. Be3 Nd7 13. Rad1 e6 14. Qd2 c5 15. Bd3 Rac8 16. Bh6 cxd4 17. cxd4 Qc3 18. Bxg7 Qxd2 19. Nxd2 Kxg7 20. Rc1 Nb8 21. Rcd1 {Lúcio,J (2023)-Riihimäki,V (2011) ICCF 2012 0-1 (38)}) 10. O-O O-O 11. a4 (11. Rd1 a6 (11... e6 12. Bf4 a6 13. Bd3 e5 14. Bg5 Bf6 15. Bxf6 Qxf6 16. a4 Rfe8 17. Re1 a5 18. Bb5 Bc6 19. Bc4 Kg7 20. Re3 h6 21. h4 Qd6 22. h5 g5 23. Qa2 {Poell,J (2382)-Hausdorf,H (2247) ICCF 2015 1/2-1/2 (42)}) 12. Be2 e6 13. Ba3 Re8 14. Rab1 f5 15. Nd2 b5 16. Bf3 Nb6 17. Bc5 Nd7 18. exf5 Bxf3 19. Nxf3 exf5 20. c4 Nxc5 21. dxc5 Qe7 22. cxb5 axb5 {Hughes,G (2166)-Edney,D (1996) ICCF 2018 1-0 (33)}) 11... Nf6 12. Re1 Rc8 13. Bf4 e6 14. Rad1 Qe7 15. h3 Rcd8 16. a5 a6 17. Bd3 b5 18. c4 b4 19. c5 { Shatkovsky,V (2272)-Roig García,J ICCF 2013 1-0 (30)}) (7... Nc6 8. e4 e6 9. Be3 Be7 10. Bd3 O-O 11. O-O h6 12. Rad1 Qd6 13. e5 Qd7 14. Qd2 Na5 15. Bxh6 gxh6 16. Qxh6 f5 17. Qg6+ Kh8 18. d5 Bd8 19. dxe6 {Ward,R (2168)-Iglesias Rodríguez,V (1876) ICCF 2018 1-0 (29)}) 8. e4 Be7 (8... Nd7 9. Bc4 (9. Bd3 Be7 (9... Bd6 10. e5 Be7 11. Qe2 c5 12. O-O O-O 13. Rd1 cxd4 14. cxd4 Rc8 15. Ne1 Nb8 16. Qg4 g6 17. Bh6 Re8 18. Nf3 Nc6 19. Be4 Na5 20. Bxb7 Nxb7 21. Qf4 { Chiesa,R-Petruzzelli,R (2072) ICCF 2011 1-0 (26)}) 10. O-O c5 11. d5 exd5 12. exd5 Bxd5 13. Rd1 Bxf3 14. gxf3 a6 15. Bf4 Ra7 16. Qa4 h5 17. Bb5 g5 18. Be5 f6 19. Bd6 Rh7 20. Rd5 Qa8 {Vivante-Sowter,J (2271)-Edney,D (1996) ICCF 2018 1-0 (27)}) 9... Be7 10. O-O O-O 11. Re1 (11. Bf4 Rc8 12. Rad1 a6 13. a4 Nf6 14. Rfe1 Qe8 15. d5 exd5 16. exd5 Qd8 17. Ne5 Bd6 18. Nc6 Bxc6 19. dxc6 {1-0 (19) Dutta,A (2231)-Nagaraj,A (1913) ICCF 2017}) 11... Re8 12. Bd3 c5 13. Bf4 Rc8 14. Qb2 h6 15. a4 Bf6 16. Rad1 Qe7 17. e5 Bxf3 18. gxf3 Bg5 19. Bg3 cxd4 20. cxd4 {Egoshin,G (2289)-De Smet,K (2243) ICCF 2012 1-0 (37)}) (8... Bd6 9. Bd3 h6 10. O-O O-O 11. Be3 Nd7 12. Rad1 Rc8 13. e5 Be7 14. Bh7+ Kh8 15. Be4 Bxe4 16. Qxe4 c6 17. c4 Qc7 18. a4 c5 19. d5 exd5 20. cxd5 {Price,D (2073)-Miguel de Frutos,V (1862) ICCF 2013 1-0 (27)}) 9. Bd3 (9. Bb5+ c6 10. Bd3 Nd7 11. Bf4 O-O 12. O-O Re8 (12... c5 13. d5 exd5 14. exd5 Bxd5 15. Bxh7+ Kh8 16. Rfd1 Bxf3 17. gxf3 Qe8 18. Be4 Rc8 19. Bb7 Nf6 20. Bxc8 Qxc8 21. Bg3 Qc6 22. Kg2 c4 23. Rd4 b5 24. Re1 {Ramesh,R (2313)-Nagaraj,A (1913) ICCF 2017 1-0 (27)}) 13. Rfd1 Nf8 14. a4 Bd6 15. Bxd6 Qxd6 16. a5 c5 17. d5 exd5 18. exd5 h6 19. c4 Nd7 20. Nh4 Qf6 {Trivedi,K (2304)-Nagaraj,A (1913) ICCF 2017 1-0 (34)}) (9. Bf4 O-O 10. Rd1 (10. Bc4 c5 11. d5 exd5 12. Bxd5 Bxd5 13. Rd1 Qe8 14. Rxd5 Nd7 15. O-O Nf6 {Salonen,J (2001)-Riihimäki,V (2039) ICCF 2020 0-1 (66)} 16. Rd2 Rd8 17. Rxd8 Bxd8 18. Re1 Qc6 19. c4 Re8 20. Qd3 h6 21. h4 Bc7 {Lukasevicius,P (2281) -Chazalette,J (2316) ICCF 2012 1/2-1/2 (26)}) 10... c5 11. d5 exd5 12. exd5 Bd6 13. Bg3 Re8+ 14. Be2 Qe7 15. Bxd6 Qxd6 16. O-O Nd7 17. c4 Nf6 18. Bd3 Bc8 19. h3 Bd7 20. Rfe1 Rxe1+ {Piiroinen,J (1987)-Riihimäki,V (2039) ICCF 2020 1/2-1/ 2 (37)}) (9. Bc4 c5 10. O-O cxd4 11. cxd4 O-O 12. Qe2 Nd7 13. Bf4 Nf6 14. Bd3 Rc8 15. Bd2 e5 16. dxe5 Nd7 17. Be3 Nc5 18. Bxc5 Rxc5 19. Rac1 Bc8 20. Rxc5 Bxc5 {Kudryavtsev,D (2190)-Marquardt,G (2227) ICCF 2015 1-0 (63)}) (9. Bb2 O-O 10. Bd3 c5 11. d5 exd5 12. exd5 Qxd5 13. Bxh7+ Kh8 14. O-O Bf6 15. Rad1 Qh5 16. Be4 Bxe4 17. Qxe4 Na6 18. Qb7 Nb4 19. cxb4 Bxb2 20. Rd5 Qg6 {Taylor,B (1918) -Calkins,D (1905) ICCF 2019 1-0 (27)}) (9. Be3 O-O 10. Rd1 Qc8 11. Be2 Nd7 12. c4 Bb4+ 13. Bd2 Bxd2+ 14. Rxd2 Nf6 15. e5 Ne4 16. Rd1 f5 17. O-O Qd7 18. Qb2 Rad8 19. Ne1 Ng5 20. f3 Nf7 {Zajsek,F-Zunkovic,S (2233) ICCF 2015 1-0 (65)}) 9... c5 10. O-O (10. Bf4 O-O 11. d5 exd5 12. exd5 Qxd5 13. O-O-O {1/2-1/2 (14) Bißmann,S (2394)-Troia,E (2308) ICCF 2017} Qh5 14. Be4 Bc6 15. Rhe1 Bf6 (15... c4 16. Bxh7+ Qxh7 17. Qxh7+ Kxh7 18. Rxe7 Kg8 19. Ne5 Ba4 20. Rd6 Na6 21. Rd4 Rfe8 22. Rxe8+ Rxe8 23. Nxc4 Nc5 24. Be3 Ne6 25. Rd3 Bb5 26. Nd6 Bxd3 27. Nxe8 {Laghetti,G (2487)-Serner,A (2412) ICCF 2020 1/2-1/2 (46)}) 16. h3 c4 17. Bd6 Qh6+ 18. Kb2 Re8 19. g4 Bxe4 20. Rxe4 Nd7 21. Qe2 Rec8 22. h4 g5 23. hxg5 Bxg5 24. Rd5 Bc1+ 25. Kc2 {Rishovd,S-Dam,J (2075) ICCF 2019 1-0 (32)}) 10... cxd4 ( 10... O-O 11. d5 h6 12. c4 Nd7 13. Bb2 Qc7 14. Qc3 f6 15. Bc2 Rfd8 16. Rfe1 Rab8 17. e5 exd5 18. Qd3 Nf8 19. exf6 Bxf6 20. Bxf6 gxf6 21. Nh4 Qf4 22. Nf5 { Sundqvist,C-Dam,J (2075) ICCF 2019 1-0 (33)}) 11. cxd4 O-O 12. Bb2 Nc6 (12... Na6 13. a3 f5 14. Rac1 Rc8 15. Qe2 fxe4 16. Bxe4 Bxe4 17. Rxc8 Qxc8 18. Qxe4 Qd7 19. Rc1 Nc7 20. Qc6 Qxc6 21. Rxc6 Nd5 22. Kf1 a5 23. Rxe6 a4 24. Ne1 { Reichgeld,M (2216)-Marcuzzo,G (2200) ICCF 2020 1/2-1/2 (43)}) (12... Nd7 13. Rad1 (13. Qe2 Rc8 14. Rfd1 h6 15. Ne1 Nf6 16. Nc2 Rc7 17. a4 Qa8 18. f3 Nh5 19. Bc1 Qd8 20. g4 Nf6 21. Bf4 Rc8 22. a5 bxa5 23. Kg2 h5 24. h3 Nh7 {Mondy,M (2192)-Darmanto,H (2237) ICCF 2020 1/2-1/2 (39)}) 13... Rc8 14. Qd2 h6 15. h3 Re8 16. Qe2 Nf6 17. a3 a6 18. Ne5 b5 19. f4 Bf8 20. Rf3 Rc7 21. Rg3 Kh8 22. Kh2 Qa8 23. Rc1 Rec8 24. Re1 {Mazza,S (2284)-Andersen,J (2276) ICCF 2020 1-0 (41)}) 13. Qe2 Rc8 (13... Nb4 14. Bc4 Rc8 15. Rfc1 Nc6 16. Rd1 Na5 17. Bd3 Bd6 18. Rac1 h6 19. Rxc8 Qxc8 20. h3 Re8 21. Nd2 Qd8 22. e5 Bf8 23. Ne4 Re7 24. Bc1 Rc7 25. Bf4 {Gomes,J (2243)-Monov,A (2224) ICCF 2019 1/2-1/2 (39)}) 14. Rac1 (14. Rfd1 Nb4 15. Bb1 Bf6 16. h4 Bxh4 17. a3 Na6 18. Nxh4 Qxh4 19. a4 f5 20. exf5 exf5 21. d5 Rce8 22. Qd2 f4 23. Ba2 Nc5 24. f3 Kh8 25. Bd4 Bc8 {Werner,J (2392) -Rulfs,E (2268) ICCF 2019 1-0 (43)}) 14... Bd6 (14... Bf6 15. Bc4 (15. Qe3 Nb4 16. Be2 Qd7 17. a3 Rxc1 18. Rxc1 Nc6 19. Bb5 Rc8 20. Ne5 Bxe5 21. dxe5 Qd8 22. f3 h6 23. h3 Na5 24. Rxc8 Qxc8 25. Qc3 Bc6 26. Bf1 Qe8 {Rickert,W (2262)-Troia, E (2304) ICCF 2016 1/2-1/2 (27)}) 15... Nxd4 (15... h6 16. Rfd1 Na5 17. Bb5 Rxc1 18. Rxc1 Qb8 19. Bd3 Rc8 20. Rc3 Rxc3 21. Bxc3 Qc7 22. Qb2 Nc4 23. Qb3 Na5 24. Qc2 Be7 25. Nd2 Nc6 26. Qb2 Bf6 27. Nf3 {Kuster,Z (2203)-Perry,R (2108) ICCF 2017 1/2-1/2 (30)}) 16. Bxd4 Bxd4 17. Rfd1 Qc7 18. Nxd4 Qe5 19. Nb5 g6 20. Nd6 Rc7 21. g3 Ba8 22. f4 Qf6 23. e5 Qe7 24. Bb3 Rd8 25. Rxc7 Qxc7 26. Qc4 { Morrow,W (2364)-Palm,W (2323) ICCF 2013 1-0 (51)}) 15. Rfd1 Na5 (15... Nb4 16. Rxc8 Qxc8 17. Bb1 Re8 18. h4 Qd7 19. h5 Qa4 20. h6 Bf4 21. Bc1 Ba6 22. Qe1 Bd6 23. hxg7 Nxa2 24. Bd2 Nb4 25. e5 Be7 26. Bh6 Qb3 27. d5 {Rada,H (2421)-Palm,W (2323) ICCF 2013 1-0 (44)}) 16. Rxc8 Qxc8 17. Ng5 h6 18. Nf3 Rd8 19. h3 Qd7 20. Ba1 Rc8 21. d5 exd5 22. Qb2 Bf8 23. exd5 Bxd5 24. Qb1 Qb7 25. Ne5 Be6 26. Bh7+ Kh8 27. Bf5 Qe7 28. Qe4 {1/2-1/2 (28) Borzenko,A (2547)-Burger,H (2516) ICCF 2007 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 5. e4 e5 (5... Nbd7 6. f3 ( 6. Nf3 e5 7. Be2 (7. d5 Be7 (7... a5 8. Be2 Nc5 9. O-O g6 10. Be3 Qd7 11. h3 Bg7 12. b3 O-O 13. a3 Qe7 14. Nd2 Ncd7 15. b4 axb4 16. axb4 Rxa1 17. Rxa1 Ra8 18. Rxa8+ Bxa8 19. Qa4 {Vecek,M (2189)-Oleksak,A (2159) ICCF 2015 1-0 (49)}) 8. h3 O-O 9. Be2 a5 10. Be3 Nh5 11. Nxe5 Nxe5 12. Bxh5 Nxc4 13. Bd4 Bf6 14. Bxf6 Qxf6 15. Be2 Ne5 16. O-O Ng6 17. Bb5 Nf4 18. Ne2 Nxe2+ {Williamson,D (2174) -Borwell,A (2279) ICCF 2015 1-0 (41)}) 7... exd4 8. Nxd4 g6 9. Bg5 Bg7 10. O-O-O O-O 11. f4 Re8 12. Bf3 Qc8 13. Rhe1 a6 14. Kb1 h6 15. Bh4 Rb8 16. Bg3 Nc5 17. e5 Bxf3 {Belyaev,M-Svítil,R (1767) ICCF 2012 1-0 (25)}) 6... e5 7. d5 Be7 8. Be3 O-O 9. Nge2 Nc5 10. Ng3 a5 11. Nf5 Bc8 12. Nxe7+ Qxe7 13. g4 Rd8 14. O-O-O Kh8 15. Be2 Ng8 16. h4 f6 17. Rdg1 {Hildebrand,G (2301)-Oleksak,A (2159) ICCF 2015 1-0 (48)}) 6. d5 Be7 7. Be2 (7. Nf3 O-O 8. Be2 a5 9. O-O Na6 10. h3 Bc8 11. a3 Bd7 12. b3 Qc8 13. Be3 h6 14. Nh4 Ng4 15. Bxg4 Bxh4 16. Bf5 Bxf5 17. exf5 Bg5 18. Bxg5 hxg5 {Holec,M (1998)-Oleksak,A (2067) ICCF 2011 1/2-1/2 (44)} ) 7... O-O 8. Be3 a5 9. Nh3 Bc8 10. O-O-O Na6 11. Kb1 Nc5 12. f3 Bxh3 13. gxh3 Nh5 14. f4 {Wiesinger,J (2120)-Oleksak,A (2189) ICCF 2013 0-1 (53)}) (2... Nc6 3. Nc3 (3. d5 Ne5 4. Qd4 (4. e4 e6 5. Nc3 (5. Nf3 Neg4 6. h3 Nxf2 7. Kxf2 Nxe4+ 8. Ke1 Bb4+ 9. Bd2 Bd6 10. Be3 O-O 11. dxe6 dxe6 12. Qc2 Ng3 13. Rg1 b6 14. Nc3 e5 15. Bd3 f5 16. c5 bxc5 {Ferlito,G (2083)-Sartori,D (1942) ICCF 2014 1-0}) 5... Bb4 6. Qb3 Qe7 7. Bg5 Bxc3+ 8. Qxc3 Nxe4 9. Bxe7 Nxc3 10. Ba3 Ne4 11. Nf3 Nxf3+ 12. gxf3 Nd6 13. Kd2 f6 14. Rg1 g6 15. c5 Nf5 {Matisson,J (2291)-Vertes, A (2351) ICCF 2006 0-1 (47)}) (4. Qc2 e6 5. e4 Bc5 6. h3 exd5 7. cxd5 Qe7 8. Bg5 d6 9. Bb5+ c6 10. dxc6 bxc6 11. Ba4 Rb8 12. Nc3 Rxb2 13. Qd1 Ba6 14. Nge2 Nd3+ 15. Kf1 O-O {Bonneville-Roussy,D-Pire,Y ICCF 2013 0-1}) (4. e3 e6 5. Nc3 Bb4 6. Bd2 b6 7. a3 Be7 8. Nf3 Ng6 9. e4 e5 10. Be2 O-O 11. O-O d6 12. b4 Bb7 13. Qb3 c6 14. h3 Rc8 15. Rfc1 c5 {Marshall,I (2049)-Nordström,Ö (2127) ICCF 2017 1-0 (52)}) (4. b3 d6 5. Bb2 Ng6 6. Nf3 e6 7. Nc3 Be7 8. e3 e5 9. Bd3 Bd7 10. h3 c6 11. O-O Qc8 12. c5 Nxd5 13. cxd6 Bxd6 14. Nxd5 cxd5 15. Bxg6 hxg6 { Loh,L-Kaytazki,L (1949) ICCF 2008 1-0 (45)}) 4... d6 5. Bf4 (5. e4 c5 6. Qe3 e6 7. Nc3 Be7 8. f4 exd5 9. fxe5 d4 10. Qd3 dxe5 11. Nd1 O-O 12. Nf3 Qc7 13. Be2 Be6 14. b3 a5 15. a4 h6 16. O-O Bd7 {Hof,E-Smith,H ICCF 2013 1-0 (25)}) 5... Ned7 6. Nc3 e5 7. dxe6 fxe6 8. Bg5 e5 9. Qd1 Be7 {0-1 (9) Eeckhout,J (1812) -Alberny,M (2033) ICCF 2008}) (3. e3 e5 (3... e6 4. Bd2 d5 5. Nf3 g6 6. Bd3 Bg7 7. O-O O-O 8. Nc3 a6 9. cxd5 exd5 10. Re1 Re8 11. e4 dxe4 12. Nxe4 Nxe4 13. Rxe4 Rxe4 14. Bxe4 Nxd4 15. Be3 {Hardwick,M (1546)-Champion,W (1852) ICCF 2008 0-1 (62)}) 4. d5 Ne7 5. Nc3 (5. Be2 Ng6 6. a3 Bc5 7. Bf3 O-O 8. e4 d6 9. Bg5 c6 10. Nd2 Qb6 11. Be3 Bxe3 12. fxe3 Qxe3+ 13. Qe2 Qb6 14. Rb1 Nf4 15. Qf1 Bg4 16. Ne2 Nd3+ {Hardwick,M (1493)-Pardoe,I (1684) ICCF 2016 0-1 (29)}) 5... Ng6 6. Bd3 Bb4 7. Nge2 e4 8. Bc2 O-O 9. O-O Re8 10. b3 Bd6 11. Ng3 Be5 12. Bb2 d6 13. Rb1 Bg4 14. Qc1 Bxg3 {Lorin,F (1710)-Damarez,P ICCF 2012 0-1 (50)}) (3. Nf3 b6 (3... Na5 4. b3 e6 5. Bb2 Bb4+ 6. Nc3 O-O 7. e3 d5 8. Bd3 Ne4 9. Qc2 Nxc3 10. Bxc3 Bxc3+ 11. Qxc3 b6 12. O-O dxc4 13. bxc4 c5 14. Rfd1 Ba6 15. d5 {Avery,B (1673)-Jimenez,J ICCF 2019 1-0 (39)}) (3... e5 4. d5 Be7 5. dxc6 dxc6 6. Qxd8+ Kxd8 7. Nxe5 Ne4 8. Nxf7+ Kd7 9. Nxh8 Bf8 10. f3 Nf2 11. Kxf2 {1-0 (11) Parisi, C-Perez Nuñez,K ICCF 2019}) (3... h6 4. d5 Nb4 (4... Na5 5. Nc3 c6 6. e4 cxd5 7. cxd5 a6 8. e5 Nh7 9. b4 d6 10. Qa4+ b5 11. Nxb5 axb5 12. Bxb5+ Bd7 13. e6 fxe6 14. dxe6 Nc6 15. exd7+ Kf7 16. Bc4+ {Laffranchise,L (2153)-Dejonckheere,D ICCF 2010 1-0}) 5. Nc3 d6 6. Qa4+ Nc6 7. dxc6 bxc6 8. Qxc6+ Bd7 9. Qa6 Qc8 10. Qxc8+ Bxc8 11. e4 a6 12. Nd5 Nxd5 13. cxd5 e6 14. Be3 e5 15. Rc1 {Starodubtsev, V (2194)-Henriques,K ICCF 2016 1-0 (27)}) (3... a6 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 b5 8. d5 Na7 9. a4 c6 10. axb5 Nxb5 11. Ne5 cxd5 12. Bxb5+ axb5 13. Rxa8 Rg8 14. Qb3 Bb7 15. Qxb5+ {Grube,F (2222)-Mocny,G ICCF 2014 1-0}) ( 3... Ne4 4. d5 Nb4 5. a3 Na6 6. Qc2 Nf6 7. e4 d6 8. Nc3 e5 9. b4 Be7 10. Be2 O-O 11. h3 c5 12. Rb1 cxb4 13. axb4 Nh5 14. O-O {Romero,P-Gonder,S ICCF 2015 1-0 (33)}) 4. Nc3 Ba6 5. e4 e6 6. e5 Ng8 7. d5 exd5 8. cxd5 Na5 9. Bxa6 Ne7 10. d6 cxd6 11. exd6 Nec6 12. Qe2+ Be7 13. b4 Rb8 14. Nd5 O-O {Millstone,M (2435) -Whittle,P (1509) ICCF 2013 1-0}) (3. g3 e5 4. d5 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 Ne7 7. Bg2 d6 8. Ngf3 O-O 9. Qc2 c6 10. dxc6 Nxc6 11. O-O Be6 12. Rac1 h6 13. Rfd1 Qb6 14. a3 Rac8 {Mankey,J-Weil,T ICCF 2014 0-1 (53)}) 3... e5 (3... h6 4. Nf3 e6 5. Bf4 d5 6. a3 g5 7. Bg3 Bg7 8. e3 O-O 9. Bd3 b6 10. cxd5 Na5 11. dxe6 Bxe6 12. O-O Bb3 13. Bc2 Bc4 14. Rc1 Bxf1 15. Qxf1 {Lucena Cifré,R (1558)-Reyes,S (1503) ICCF 2019 1-0 (50)}) 4. dxe5 (4. d5 Nd4 (4... Nb8 5. Nf3 e4 6. Nd4 Bb4 7. Bd2 Bxc3 8. Bxc3 d6 9. e3 O-O 10. f4 c5 11. dxc6 Nxc6 12. Be2 Ne7 13. O-O d5 14. c5 Bd7 15. b4 a6 16. a4 {Koskinen,E (2313)-Mujunen,M (1879) ICCF 2018 1-0 (59)}) (4... Ne7 5. Nf3 (5. e4 Ng6 6. Be3 (6. h4 h5 (6... Bb4 7. h5 Ne7 8. Qf3 h6 9. Qg3 Nxe4 10. Qxg7 Rg8 11. Qxe5 f5 12. Nh3 d6 13. Qd4 c5 14. Qd3 b5 15. Nf4 bxc4 16. Qc2 Rb8 17. Rh3 Bxc3+ 18. bxc3 {Burmeister,F (2256)-Morin,S (2268) ICCF 2020 1-0}) 7. Bg5 Bc5 (7... Be7 8. Be2 d6 9. Bxf6 Bxf6 10. g3 c6 11. Bxh5 Qb6 12. Rb1 Bd7 13. Bg4 Nf8 14. Bxd7+ Nxd7 15. dxc6 bxc6 16. Nf3 Qb4 17. a3 Qxc4 18. Qxd6 Rd8 19. Nd2 {Haas,B (2034)-Nüchter,C (2333) ICCF 2006 1/2-1/2}) 8. Bd3 (8. Qd2 d6 9. Nge2 Bd7 10. a3 a5 11. Ng3 Qb8 12. Nf5 Bxf5 13. Bxf6 gxf6 14. exf5 Ne7 15. Ne4 Ng8 16. g3 Qa7 17. Bd3 O-O-O 18. O-O Nh6 19. Nxf6 Ng4 { Elwood,D (1908)-Carey,G ICCF 2019 1/2-1/2 (29)}) (8. Nge2 c6 9. Qd2 Qb6 10. Ng3 Ng4 11. O-O-O f6 12. Na4 Bb4 13. Nxb6 Bxd2+ 14. Rxd2 axb6 15. Be3 Nxe3 16. fxe3 cxd5 17. cxd5 d6 18. a3 Ne7 19. Rd3 Kd7 {Javier,C-Allen,E (1831) ICCF 2020 (61) }) (8. Nf3 d6 9. b4 Bb6 10. Na4 c6 11. Be2 Bc7 12. O-O Bg4 13. dxc6 bxc6 14. Nc3 O-O 15. Nd2 Bb6 16. Rc1 Qc8 17. Bxf6 gxf6 18. b5 Nf4 19. Kh2 cxb5 { Campbell,J (2274)-Pyrich,G (2254) ICCF 2009 1/2-1/2 (42)}) 8... d6 9. b4 (9. Nge2 O-O 10. Ng3 Nf4 11. O-O Qd7 12. Bxf6 Qg4 13. Qxg4 hxg4 14. Bc2 gxf6 15. Kh2 Ng6 16. Nf5 a6 17. a4 Bd7 18. Bd1 Kh7 19. g3 Rg8 20. Kg2 Rae8 {Mayers,R (1950)-Weil,T (2018) ICCF 2018 1/2-1/2 (40)}) 9... Bb6 10. Nge2 a5 (10... a6 11. Ng3 Bg4 12. Be2 a5 13. Bxg4 hxg4 14. b5 Nf4 15. Kf1 N4h5 16. Nxh5 Rxh5 17. Rb1 Rh7 18. Qd3 Qd7 19. Bxf6 gxf6 20. h5 O-O-O 21. Ne2 Rdh8 22. Ng3 {Tieken,F (2136)-Speisser,P (2216) ICCF 2018 1-0 (58)}) 11. Na4 Ba7 12. b5 Qd7 13. b6 Bxb6 14. Nxb6 cxb6 15. Rb1 Nh7 16. Be3 Nf6 17. Nc3 O-O {Eriksson,R (2278) -Wegelin,R (2274) ICCF 2006 1-0 (45)}) (6. Nf3 Bc5 (6... Bb4 7. Bd3 Bxc3+ 8. bxc3 d6 9. a4 (9. O-O Bg4 10. h3 Bxf3 11. Qxf3 h6 12. Be3 b6 13. a4 a5 14. c5 dxc5 15. Bb5+ Kf8 16. Rad1 Qd6 17. Bc1 Kg8 18. g3 Kh7 19. Qe2 Qe7 20. Rfe1 Rhd8 {Linden,W (1663)-Mujunen,M (1922) ICCF 2020 1/2-1/2 (30)}) 9... c5 10. g3 Bh3 11. Ng5 Bd7 12. h4 h6 13. Nh3 Qa5 14. Qc2 O-O 15. f3 a6 16. g4 h5 17. Nf2 b5 18. Bg5 {Arkusauskas,S-Lucka,M ICCF 2006 0-1 (46)}) 7. Bg5 (7. h3 O-O 8. Bd3 d6 9. O-O a5 10. Re1 Bd7 11. Be3 Bb4 12. Qc2 Nh5 13. a3 Bxc3 14. Qxc3 Nhf4 15. Bxf4 Nxf4 16. Bf1 f5 17. b4 fxe4 18. Rxe4 axb4 {Avery,B (1797)-Evans,S ICCF 2007 1/2-1/2 (40)}) 7... h6 8. Bxf6 Qxf6 9. Qd2 d6 10. O-O-O Bg4 11. Nb5 O-O 12. b4 Bb6 13. Be2 a5 14. Kb2 axb4 15. Qxb4 Nf4 16. Qd2 Ra4 {0-1 (16) Moore,J (1696)-Taylor,W (2048) ICCF 2020}) (6. Bd3 Bb4 (6... Bc5 7. Nf3 d6 (7... O-O 8. O-O d6 9. Na4 Bb6 10. Nxb6 axb6 11. Bd2 Nh5 12. g3 Bh3 13. Re1 h6 14. Ng5 hxg5 15. Qxh5 g4 16. f3 Qd7 17. Be2 gxf3 18. Bxf3 Ra6 19. g4 {Persson,B (1890) -Darnoko,D (1838) ICCF 2019 1-0}) 8. b4 Bb6 9. Na4 c6 10. Nxb6 axb6 11. O-O O-O 12. a4 Nh5 13. Bg5 f6 14. Bd2 Nhf4 15. Qb3 Bg4 16. Bxf4 Nxf4 17. Nd2 Be2 18. Bxe2 {Stepanov,K-Quattrocchi,G (2283) ICCF 2007 1-0}) 7. Nge2 a5 8. O-O h6 9. a3 Bxc3 10. Nxc3 d6 11. Re1 O-O 12. Bd2 Bg4 13. f3 Bd7 14. Be3 b6 15. Qd2 a4 16. Rf1 Qe7 17. Bc2 Rfb8 {Grinbergs,N (1953)-Mujunen,M (1922) ICCF 2020 1/2-1/2 }) (6. a3 Bc5 7. Be3 Bxe3 8. fxe3 d6 9. Nf3 Bg4 10. Be2 Bxf3 11. Bxf3 O-O 12. O-O Ne8 13. Qe1 Qg5 14. Qf2 Nf6 15. Ne2 a6 16. Ng3 Ne7 17. Rae1 h5 {Peperko,G (1567)-Mujunen,M (1922) ICCF 2020 0-1 (57)}) (6. f3 Bc5 7. Na4 d6 8. Nxc5 dxc5 9. Be3 b6 10. Bd3 Bd7 11. Ne2 O-O 12. O-O c6 13. Qb3 Rb8 14. Rad1 Qe8 15. Bg5 Nh5 16. g3 cxd5 17. exd5 Ba4 {Bonatti,A (1777)-Callaway,A ICCF 2012 0-1 (49)}) (6. Nge2 Bc5 7. Ng3 O-O 8. Bg5 h6 9. Be3 Bxe3 10. fxe3 d6 11. Be2 a5 12. O-O Nh4 13. Nf5 Nxe4 14. Nxh6+ gxh6 15. Nxe4 f5 16. Nf2 Qg5 17. g3 f4 {Lucena Cifré,R (1741)-Traxler,A ICCF 2007 0-1 (36)}) (6. g3 Bc5 7. Be3 (7. Bg2 O-O 8. h3 d6 9. Nge2 Nd7 10. Qc2 Nb6 11. b3 f5 12. exf5 Bxf5 13. Qd2 Qd7 14. Nd1 e4 15. Bb2 a5 16. a3 a4 17. Qc3 axb3 18. Qxb3 Na4 {Roldán,C (1813)-Moser,M (1833) ICCF 2011 0-1 (31)}) 7... Bxe3 8. fxe3 Qe7 9. d6 cxd6 10. Nb5 O-O 11. Nxd6 b6 12. Bh3 Ne8 13. c5 bxc5 14. Nxc8 Rxc8 15. Qxd7 Qxd7 16. Bxd7 Rc7 17. Bxe8 Rxe8 {Pineda,A-Evans,S ICCF 2007 1/2-1/2 (36)}) 6... Bb4 7. f3 Bxc3+ (7... O-O 8. Nge2 d6 9. a3 Bc5 10. Qd2 Bxe3 11. Qxe3 c5 12. Ng3 Nf4 13. Nce2 N6h5 14. Nxh5 Nxh5 15. g3 Nf6 16. b4 b6 17. Bg2 cxb4 18. axb4 Qc7 19. Rc1 {Greco,T-Evans,S (1738) ICCF 2014 1/2-1/2 (36)}) 8. bxc3 d6 (8... O-O 9. h4 b6 10. h5 Ne7 11. h6 Ne8 12. hxg7 Nxg7 13. g4 Ng6 14. Qc2 Re8 15. Bd3 Qe7 16. Rh6 Bb7 17. Nh3 f6 18. O-O-O Nh8 19. g5 Nf7 20. gxf6 {Clark,S (2057)-Pardoe,I (1638) ICCF 2016 1-0 (29)}) 9. c5 (9. Bd3 O-O 10. Ne2 Nd7 11. O-O Nc5 12. Bxc5 dxc5 13. Qd2 Bd7 14. g3 Qe7 15. h4 Nh8 16. Kg2 f6 17. g4 Nf7 18. h5 Qe8 19. Ng3 b6 20. Qc2 h6 { Boldysh,K (2427)-Baklanov,V (2461) ICCF 2008 1/2-1/2 (26)}) 9... O-O 10. cxd6 cxd6 11. Bd3 Nd7 12. Ne2 Qa5 13. Qd2 (13. O-O Nc5 14. Bc2 Bd7 15. Qd2 Rac8 16. Rfb1 f5 17. exf5 Bxf5 18. Bxf5 Rxf5 19. a4 Rf7 20. Rb5 {1-0 (20) Jayaraman, M-Ball,L (2201) ICCF 2005}) 13... Nc5 14. Bc2 b6 15. Ng3 f6 16. O-O Ba6 { Solar,J (1976)-Peled,S (2064) ICCF 2006 1/2-1/2 (46)}) (5. Bg5 Ng6 6. e4 h6 7. Be3 Bb4 8. Bd2 Bxc3 9. Bxc3 Nxe4 10. Bb4 d6 11. Bd3 Nf6 12. Bxg6 fxg6 13. c5 O-O 14. Qd3 Bf5 15. Qg3 Nxd5 16. Ba3 Nf4 {Sanchez Villacanas,J-Marches Ríos,J ICCF 2006 1-0 (39)}) (5. Qc2 Ng6 6. h4 Bc5 7. h5 Ne7 8. Nf3 Ng4 9. e3 d6 10. Be2 h6 11. b4 Bb6 12. O-O O-O 13. Bd2 f5 14. a4 a5 15. bxa5 Bxa5 16. Nb5 Bxd2 { Gupta,A (2010)-Vasile,C (2056) ICCF 2011 1-0 (34)}) (5. h4 g6 (5... Neg8 6. e3 (6. Qa4 Bc5 7. Bd2 Nh6 8. b4 Bd4 9. Nf3 O-O 10. Nxd4 exd4 11. Bxh6 dxc3 12. Bf4 Qe7 13. Qb3 a5 14. b5 Qb4 15. Rh3 Ne4 16. Re3 Nc5 17. Qxc3 d6 {Krett,V (1613) -Werner,G (2084) ICCF 2013 1-0 (27)}) 6... Bb4 7. Bd2 a5 8. Bd3 d6 9. Nge2 Ne7 10. a3 Bc5 11. h5 h6 12. Ng3 O-O 13. O-O Bd7 14. Rc1 Bg4 15. Be2 Bxe2 16. Qxe2 Nd7 17. e4 {Almarza Mato,C (2213)-Iacomi,S (2111) ICCF 2015 1/2-1/2}) 6. Bg5 Bg7 7. d6 Nf5 8. dxc7 Qxc7 9. Bxf6 Bxf6 10. Nd5 Qa5+ 11. b4 Qd8 12. e4 Ne7 13. Nxf6+ Kf8 14. Qd6 Kg7 15. Qxe5 Kf8 16. Nxd7+ Kg8 {Hornung,M (1823)-Ridout,P ICCF 2017 1-0}) 5... Ng6 6. h4 h5 (6... e4 7. Ng5 Bb4 8. h5 Bxc3+ 9. bxc3 Ne5 10. h6 g6 11. d6 cxd6 12. Rh4 d5 13. cxd5 d6 14. Rxe4 O-O 15. Rb4 Nfg4 16. Qd4 b6 17. Bd2 Re8 18. e4 {Sherwood,H (2341)-Bendig,F (2309) ICCF 2019 1/2-1/2 (50) }) 7. Bg5 (7. e3 Bb4 8. Bd2 O-O 9. Bd3 d6 10. Qc2 Bd7 11. Ng5 Qe8 12. O-O-O a5 13. f3 Ne7 14. Kb1 Kh8 15. a3 {Michiels,A-De Smet,K (2220) ICCF 2009}) 7... d6 (7... Be7 8. e3 (8. g3 d6 9. e4 Ng4 10. Bd2 f5 11. exf5 Bxf5 12. Bg2 Qd7 13. Qe2 O-O 14. O-O Rae8 15. Rae1 c6 16. Ng5 Bxg5 17. hxg5 e4 18. Bxe4 {1-0 (18) Eigenmann,W (1927)-Marku,G (2020) ICCF 2020}) (8. Bxf6 Bxf6 9. d6 cxd6 10. e3 Qa5 11. Ng5 Bxg5 12. hxg5 d5 13. Qxd5 Qxd5 14. cxd5 Ke7 15. Rc1 b6 16. Nb5 Bb7 17. d6+ Ke6 18. Nc7+ Kxd6 19. Nxa8 Bxa8 {Fenes,L (2439)-Dailido,S (2266) ICCF 2009 1-0 (48)}) 8... d6 9. Bd3 Nf8 10. c5 N8d7 11. cxd6 cxd6 12. Nd2 Nc5 13. Be2 a5 14. Rc1 Bd7 15. O-O Ng4 16. Nce4 Nxe4 17. Nxe4 Qb6 18. Rc3 Rc8 19. Rb3 { Kuula,R (2196)-Pesonen,S (2284) ICCF 2011 1/2-1/2 (32)}) (7... Bb4 8. Qc2 c6 9. e3 cxd5 10. cxd5 Qb6 11. Bxf6 Qxf6 12. Bd3 O-O 13. Bxg6 fxg6 14. O-O Bxc3 15. Qxc3 e4 16. Ng5 Qxc3 17. bxc3 Re8 18. Rad1 d6 19. Rd4 {Rynkevich,S (2361) -Dailido,S (2313) ICCF 2011 1-0 (53)}) 8. Qc2 (8. e3 Bf5 9. Qb3 (9. Bd3 Bxd3 10. Qxd3 Qd7 11. g3 Be7 12. Bxf6 Bxf6 13. O-O-O O-O-O 14. Ne4 Be7 15. Neg5 Bxg5 16. Nxg5 Nf8 17. Qc2 Kb8 18. Kb1 Rh6 19. Rc1 Qe7 20. c5 dxc5 {Calugaru,V (2340) -Häusler,W (2403) ICCF 2005 1/2-1/2 (35)}) 9... Qc8 10. Bxf6 gxf6 11. O-O-O Bg7 12. Nd2 Bg4 13. Be2 Bxe2 14. Nxe2 f5 15. e4 Bh6 16. Ng3 Bxd2+ 17. Rxd2 f4 18. Nf5 Ne7 19. Nxe7 Kxe7 {Mazzarella,A (2220)-Luppi,D (2345) ICCF 2007 1/2-1/ 2 (36)}) 8... Be7 (8... a6 9. e3 Ne7 10. Bxf6 gxf6 11. O-O-O Bg7 12. Be2 Bf5 13. Qb3 Qb8 14. Nd2 Qa7 15. Nde4 O-O-O 16. c5 Kb8 17. Qb4 dxc5 18. Nxc5 Bf8 19. Nxa6+ Kc8 20. Qc5 {Fernandes,J (1878)-Pascoal,J (2139) ICCF 2014 1/2-1/2 (53)}) 9. e3 Ng4 (9... Nf8 10. c5 a6 11. cxd6 cxd6 12. e4 Ng6 13. Rc1 Bd7 14. Be2 Ng4 15. Bxe7 Kxe7 16. O-O Nf4 17. g3 Nxe2+ 18. Qxe2 b5 19. a3 Qb6 20. Rc2 a5 21. Rfc1 {Paravic,Z (2312)-Cvetnic,V (2383) ICCF 2007 0-1 (77)}) 10. Bd3 Nf8 11. Bxe7 Qxe7 12. Nb5 c6 13. Nc3 Nd7 (13... Nf6 14. Ng5 N8d7 15. Be4 Nxe4 16. Ngxe4 f5 17. Ng5 O-O 18. O-O-O Nf6 19. c5 dxc5 20. Qb3 Kh8 21. Rd2 e4 22. Rhd1 Nxd5 23. Nxd5 cxd5 24. Qxd5 Rb8 25. a4 {Lohse,M (2320)-Vertes,A (2351) ICCF 2006 1/ 2-1/2 (72)}) 14. O-O Ndf6 15. Ng5 O-O 16. dxc6 bxc6 17. Bh7+ Kh8 18. Be4 Nxe4 19. Qxe4 Nf6 20. Qxc6 Bb7 21. Qa4 Nh7 22. Nxh7 Kxh7 23. Rfd1 Rfd8 24. g3 Bf3 25. Rd3 e4 26. Rd4 Qe6 27. Kh2 g5 28. Qb5 gxh4 29. Qd5 hxg3+ 30. fxg3 Kg6 31. Rf1 Qxd5 32. Nxd5 f5 33. Nf4+ Kf7 34. b3 a5 35. Rd5 Bg4 36. Rf2 a4 37. b4 { 1-0 (37) Lohse,M (2320)-Dickl,E (2269) ICCF 2006 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 5. e3 Nf5 6. Nf3 d6 (6... e4 7. Nd2 Bb4 8. g4 Nd6 9. g5 Ng8 10. Qb3 a5 11. Rg1 Ne7 12. a3 Bxc3 13. Qxc3 O-O 14. b3 Nef5 15. Bb2 b6 16. Bh3 Kh8 17. O-O-O Rg8 18. Bxf5 {Romanov,L (2078)-Morin,S (2263) ICCF 2019 1-0}) 7. Be2 (7. e4 Ne7 8. c5 c6 9. Qb3 cxd5 10. exd5 a6 11. Bc4 b5 12. cxb6 Rb8 13. Na4 Nf5 14. O-O Be7 15. Re1 g6 16. Bd2 Bb7 17. h3 O-O 18. g4 Ng7 {Sodomski,A (2006) -Dziedzic,A (2026) ICCF 2011 1-0 (33)}) 7... g6 8. O-O Bg7 9. e4 Ne7 10. h3 O-O 11. Be3 Nd7 12. Qc1 f5 13. Bh6 f4 14. Bxg7 Kxg7 15. Nh2 Nf6 {Sallwey,R (1860) -Gonçalves,C (1941) ICCF 2010 1-0 (41)}) 4... Nxe5 5. e3 (5. Qa4 Qe7 6. e4 Qb4 7. Qc2 Nxc4 8. Be2 Be7 9. a3 Qc5 10. Na4 Qa5+ 11. b4 Qe5 12. Nc3 Nxe4 13. Nxe4 Qxa1 14. Bxc4 a5 15. b5 Bxa3 16. Ne2 Bxc1 {Morgan,F (1697)-Pardoe,I (1656) ICCF 2014 0-1 (26)}) (5. e4 Bb4 6. f3 Bxc3+ 7. bxc3 O-O 8. Nh3 d5 9. cxd5 Bxh3 10. gxh3 Nxe4 11. fxe4 Qh4+ 12. Kd2 Qxe4 {0-1 (12) Schreiber,D-Lafferty,B ICCF 2015}) 5... Bb4 6. Bd2 O-O 7. Be2 (7. Nf3 Nxf3+ 8. Qxf3 c6 9. a3 Ba5 10. b4 Bc7 11. Bd3 d5 12. Qd1 dxc4 13. Bxc4 Bf5 14. O-O Bxh2+ 15. Kh1 Ng4 16. f3 Qh4 17. fxg4 Bg3+ {0-1 (17) Vermeulen,E (1602)-Taylor,W (2063) ICCF 2020}) 7... d6 8. Nf3 Re8 9. O-O Ba5 10. h3 c6 11. a3 Bf5 12. Nd4 Bd3 13. Bxd3 Nxd3 14. Qc2 { Takahashi,Y (1530)-Pardoe,I (1648) ICCF 2018 1-0 (44)}) (2... g6 3. Nf3 Bg7 4. g3 b6 5. Bg2 Bb7 6. Nc3 c5 7. d5 d6 (7... a6 8. e4 d6 9. e5 dxe5 10. Nxe5 O-O 11. O-O Nxd5 12. Nxf7 Rxf7 13. cxd5 Ra7 14. Qb3 Nd7 15. Ne4 h6 16. Rd1 Ne5 17. d6 c4 18. dxe7 Qxe7 19. Qxb6 {Prado,J (2383)-Coope,D (1925) ICCF 2009 1/2-1/2 (62)}) 8. O-O Nbd7 9. Re1 O-O 10. h3 a6 11. e4 Ne5 (11... Nh5 12. Be3 b5 13. cxb5 Bxc3 14. bxc3 axb5 15. Bh6 Re8 16. a4 bxa4 17. Rxa4 {Johansson,B (2329) -Rolle,H (2220) ICCF 2013 1-0 (72)}) 12. Nxe5 dxe5 13. Na4 Qd6 14. b4 {Romero, J (2196)-De Virgilio,O (1883) ICCF 2009 1-0 (40)}) (2... h6 3. Nc3 c6 (3... d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 e6 7. Rb1 b6 8. Qh5 c5 9. d5 Qd6 10. Bb5+ Bd7 11. Bd3 g6 12. Qf3 Bg7 13. Ne2 e5 14. Qg3 O-O 15. c4 {Seker,M (1801)-Molinet Escudero,C ICCF 2014 1-0 (30)}) (3... g5 4. e4 Bg7 5. h4 c6 6. hxg5 hxg5 7. Rxh8+ Bxh8 8. e5 Ng8 9. Nh3 f6 10. Qh5+ Kf8 11. Qxh8 g4 12. Bh6+ Kf7 13. Qh7+ Ke6 14. Nf4# {1-0 (14) Orolin,J (1873)-Vaessen,J (1789) ICCF 2017}) 4. e4 d6 ( 4... g5 5. e5 Nh7 6. Bd3 Bg7 7. h3 Qb6 8. Nf3 Nf8 9. b3 Ne6 10. Be3 Qb4 11. Qc2 O-O 12. O-O g4 13. hxg4 d6 14. Kh2 a5 15. a3 Qb6 16. Na4 {Paulus,K (1449) -Vaessen,J (1194) ICCF 2019 1-0}) 5. Nf3 (5. f4 e6 6. e5 Nh7 7. Nf3 d5 8. c5 Be7 9. Be3 O-O 10. Bd3 b6 11. O-O bxc5 12. dxc5 Ba6 13. b4 Bxd3 14. Qxd3 f5 15. Nd4 Qc8 16. Rf3 Rf7 {Vera-Cruz,R (1954)-Pimenta,D (1708) ICCF 2011 1-0 (37)}) 5... Bg4 6. Be2 (6. h3 Bh5 7. Bd3 Nbd7 8. g4 Bg6 9. e5 dxe5 10. dxe5 Bxd3 11. Qxd3 Nh7 12. e6 Nb6 13. Qf5 Qc8 14. Qxf7+ Kd8 15. Bf4 Nf6 16. O-O-O+ {1-0 (16) Ernst,C-Ellis,M ICCF 2012}) 6... Na6 7. O-O e6 8. h3 Bxf3 9. Bxf3 Nc7 10. a3 Be7 11. Bf4 O-O 12. Bg4 d5 13. e5 Nxg4 14. Qxg4 {Carmo,L (1655)-Ellis,M ICCF 2012 0-1 (46)}) (2... c6 3. Bf4 (3. Nf3 b5 (3... b6 4. Nc3 Bb7 5. e4 d5 6. cxd5 cxd5 7. Bb5+ Nfd7 8. Ne5 e6 9. exd5 exd5 10. O-O Be7 11. Nxd7 Nxd7 12. Qg4 Rg8 13. Re1 a6 14. Bg5 {1-0 (14) Sirotkin,E-Zondervan,F (1560) ICCF 2018}) (3... g6 4. Nc3 Bg7 5. Bd2 O-O 6. Qc1 d5 7. c5 Ne4 8. Bh6 Nd7 9. Bxg7 Kxg7 10. Nxe4 dxe4 11. Nd2 Nf6 12. Qc3 Nd5 13. Qa3 Bf5 14. e3 Qc7 15. Be2 {Azzoug,S (1663) -Gozsovics,J ICCF 2009 1-0}) (3... d6 4. e3 h6 5. Be2 e6 6. O-O g6 7. Nc3 a6 8. b3 Bg7 9. Bb2 b6 10. c5 b5 11. Bd3 O-O 12. Rb1 a5 13. a4 b4 14. Ne2 Nfd7 15. cxd6 {Wood,A-Cottrell,J (1567) ICCF 2018 1-0 (45)}) (3... h6 4. Nc3 e6 5. a3 d5 6. e3 b6 7. Bd3 dxc4 8. Bxc4 a6 9. e4 Bb7 10. O-O Be7 11. Qc2 Nbd7 12. Rd1 Qc7 13. Ba2 Rc8 14. h3 Nf8 15. Be3 {Stanishevski,A (2090)-Poletaev,V (2119) ICCF 2014 (46)}) 4. Nbd2 (4. cxb5 cxb5 5. Bf4 (5. e3 a6 6. a4 bxa4 7. Nc3 Bb7 8. Bd3 e6 9. O-O Nc6 10. e4 Nb4 11. Bb1 Be7 12. Rxa4 O-O 13. d5 exd5 14. e5 Ne8 15. Rxb4 Bxb4 {Krowczyk,M-Lasley,M (1784) ICCF 2014 1-0}) 5... e6 (5... Bb7 6. e3 a6 7. a4 bxa4 8. Nc3 e6 9. Be2 a3 10. Qb3 axb2 11. Qxb2 Bc6 12. O-O Be7 13. Ne5 a5 14. h3 O-O 15. Rfc1 Bb4 16. Bd3 Nd5 17. Nxd5 {Anderson,B (2459)-Schuster,P (2473) ICCF 2012 1/2-1/2 (44)}) 6. e3 a6 7. h3 Bb4+ 8. Nbd2 O-O 9. Bd3 Nc6 10. O-O Qb6 11. Rc1 Bb7 12. Ne4 Nxe4 13. Bxe4 d5 14. Bxh7+ Kxh7 15. Ng5+ Kg6 { Lambourne,D (2022)-Pardoe,I (1648) ICCF 2018 1-0 (25)}) (4. c5 d6 5. cxd6 exd6 6. Qc2 g6 7. e4 Bg7 8. Bd3 O-O 9. O-O Bb7 10. Re1 Na6 11. Bd2 c5 12. Bxb5 cxd4 13. Bxa6 Bxa6 14. Nxd4 Rc8 15. Bc3 d5 {Tomilin,A (2107)-Blittkowsky,R (2152) ICCF 2020 1/2-1/2 (38)}) (4. e3 bxc4 5. Bxc4 Ba6 (5... d5 6. Bd3 e6 7. O-O Be7 8. Nc3 O-O 9. Re1 Ba6 10. Ne5 Bxd3 11. Qxd3 Qb6 12. Rb1 Nbd7 13. Nf3 c5 14. b3 cxd4 15. Nxd4 Nc5 16. Qb5 Qxb5 17. Ncxb5 {Haines,J-Hodgkins,N ICCF 2019 1/2-1/ 2 (39)}) 6. Bxa6 Qa5+ 7. Nc3 Qxa6 8. Bd2 e6 9. Qe2 Be7 10. e4 O-O 11. Rd1 Bb4 12. e5 Nd5 13. Nxd5 Bxd2+ 14. Kxd2 {Kovats,J (1959)-Lasley,M (1784) ICCF 2014 1-0 (44)}) 4... bxc4 5. Nxc4 Ba6 6. Qc2 d5 7. Nce5 e6 8. g3 Bb4+ 9. Bd2 Qb6 10. e3 Bxf1 11. Kxf1 Bxd2 12. Nxd2 O-O 13. Kg2 Rc8 14. Rhc1 Nbd7 {Salzmann,S (2254) -Szymanski,R (2430) ICCF 2011 1/2-1/2 (29)}) (3. Nc3 b5 (3... Qa5 4. e3 Ne4 5. Qc2 f5 6. Nf3 g6 7. a3 d6 8. b4 Qb6 9. Nxe4 fxe4 10. Qxe4 Bf5 11. Qf4 a5 12. c5 dxc5 13. dxc5 Qd8 14. Bb2 Rg8 15. Rd1 {Zande,H-Vaessen,J (1143) ICCF 2020 1-0 (28)}) (3... g6 4. e4 d6 5. Be2 Qa5 6. Bd2 Bg7 7. f4 O-O 8. Nf3 c5 9. d5 Qc7 10. O-O Bg4 11. Ng5 Bxe2 12. Qxe2 Nbd7 13. Rae1 Nh5 14. Kh1 Bf6 15. g4 { Anikin,V (2048)-Dreisch,J (2113) ICCF 2016 1-0 (30)}) 4. e4 b4 5. Na4 Nxe4 6. Bf4 g5 7. Be3 Qa5 8. Bd3 b3+ 9. Kf1 Qxa4 10. axb3 Qb4 11. Bxe4 g4 12. Bd2 Qd6 13. Ne2 h5 14. g3 e5 {Rice,R (1373)-Vaessen,J (1360) ICCF 2018 1-0 (27)}) (3. Bd2 d5 4. a4 Bf5 5. e3 e6 6. Nc3 a6 7. Nf3 Nbd7 8. c5 h6 9. Be2 Be7 10. a5 Qc7 11. Nh4 Bh7 12. Na4 Ne4 13. Nb6 Rd8 14. Nf3 f6 {Medina,G (1514)-Scaramuzzo,G (2027) ICCF 2015 0-1 (32)}) (3. Bg5 e6 4. e3 d5 5. c5 Nbd7 6. Nf3 b6 7. b4 h6 8. Bh4 bxc5 9. bxc5 Be7 10. Bd3 Ne4 11. Bxe7 Qa5+ 12. Nfd2 Kxe7 13. O-O Nc3 14. Nxc3 Qxc3 {Leber,D (1524)-Brown,D ICCF 2015 0-1 (35)}) (3. e3 g6 4. Nc3 Bg7 5. Nf3 O-O 6. e4 d5 7. e5 Ne4 8. h4 c5 9. Nxd5 cxd4 10. Qxd4 Bf5 11. Bd3 Nc6 12. Qe3 e6 13. Nf4 Qa5+ 14. Kf1 Rfd8 {Gonzaga Grego,L (2402)-Walczak,P (2507) ICCF 2019 1/2-1/2 (30)}) (3. Qc2 d5 4. e3 Bg4 5. Bd3 Nbd7 6. Nc3 dxc4 7. Bxc4 Bh5 8. Nge2 e5 9. O-O Bg6 10. Bd3 Bd6 11. Bxg6 hxg6 12. h3 exd4 13. Nxd4 Qc7 14. e4 O-O-O {Limontas,H-Bartkus,V ICCF 2005 0-1}) 3... d6 (3... Qb6 4. b3 (4. Qd2 d5 (4... Ne4 5. Qc2 d5 (5... g5 6. Be3 (6. Be5 Rg8 7. Nc3 Nxc3 8. bxc3 Qa5 9. e3 d6 10. Bg3 Bf5 11. Bd3 Bxd3 12. Qxd3 h5 13. h4 gxh4 14. Rxh4 Nd7 15. Nf3 e6 16. Nd2 Be7 17. Rh2 Rh8 {Petrov,M (2365)-Böhme,S (2320) ICCF 2014 1/2-1/2 (30)}) 6... Bg7 7. f3 Qa5+ 8. Nd2 Nf6 9. a3 (9. Bf2 c5 10. Qf5 b6 11. Qxg5 O-O 12. d5 Kh8 13. a3 d6 14. Rb1 Ng8 15. e3 Bh6 16. Qh5 Nd7 17. Ne2 f5 18. Nc3 Bg7 19. Rc1 b5 20. cxb5 Bxc3 {Höxter,H (2211)-Jäkel,A (2023) ICCF 2016 1/2-1/2}) 9... d6 10. Bf2 Bd7 11. e4 c5 12. d5 Nh5 13. Rb1 Nf4 14. Be3 h6 15. h4 Ng6 16. hxg5 hxg5 17. Rxh8+ {Dutra,A (2429)-Vaughan,J (2057) ICCF 2015 1-0 (59)}) (5... d6 6. Nc3 (6. f3 Nf6 7. Qd2 e5 8. Be3 Qd8 9. Nc3 Be7 10. O-O-O Be6 11. dxe5 dxe5 12. Qxd8+ Bxd8 13. b3 Nbd7 14. Nh3 h6 15. g4 Be7 16. Bd2 a6 17. Kb2 b5 { Overmark,O (2224)-Boos,M (2354) ICCF 2016 0-1 (56)}) 6... Nxc3 7. bxc3 (7. Qxc3 Nd7 8. Nf3 Nf6 9. Nd2 Nh5 10. Be3 Nf6 11. g3 g6 12. Bg2 Bg7 13. h3 O-O 14. O-O a5 15. Rfd1 Bf5 16. Rac1 a4 17. Bf4 Nh5 18. Be3 Nf6 {Iotov,V (2568)-Rogetzer,K (2522) ICCF 2020 1/2-1/2 (35)}) 7... Qa5 (7... g6 8. Nf3 (8. h4 Bg7 9. Rb1 Qc7 10. e4 e5 11. Be3 h5 12. Be2 O-O 13. Nf3 c5 14. O-O Nd7 15. Bd3 Nf6 16. d5 Bd7 17. Bd2 Rae8 18. g3 Nh7 19. Kg2 Qc8 {Williams,T (2466)-Miettinen,K (2421) ICCF 2020 1/2-1/2 (29)}) 8... Qa5 9. e4 (9. e3 Bg7 10. Be2 O-O 11. O-O Nd7 12. Rab1 Nb6 13. h3 e5 14. Bg3 Re8 15. c5 dxc5 16. Bxe5 Be6 17. Bxg7 Kxg7 18. Rb2 Bd5 19. Rc1 Be4 20. Qd1 Re7 {Gromark,P (2304)-Chirea,A (2072) ICCF 2009 1/2-1/2 (51)}) 9... Bg7 10. Bd2 Nd7 11. Bd3 Nb6 12. a4 Be6 13. d5 Bc8 14. O-O Nd7 15. Nd4 O-O 16. dxc6 Ne5 17. cxb7 Bxb7 18. Rab1 Qc7 19. Be2 {Antonov,V (2361) -Leonard,A (2359) ICCF 2018 1/2-1/2 (45)}) 8. Rb1 g6 9. Nf3 Bg7 10. e3 O-O 11. Bd3 Nd7 12. O-O Re8 13. e4 e5 14. Bg5 Qc7 15. h3 {1-0 (15) Cusicanqui,M (2383) -Muñoz Portugal,G (2239) ICCF 2015}) 6. f3 (6. e3 Bf5 7. Qc1 Nd7 8. f3 Qb4+ 9. Nc3 Nxc3 10. Qxc3 Qxc3+ 11. bxc3 Nb6 12. g4 Bg6 13. cxd5 Nxd5 14. Ne2 e5 15. dxe5 Bd3 16. Ng3 Bxf1 17. Rxf1 Nxc3 {Tauscher,K (2348)-Frijling,J (2345) ICCF 2019 1/2-1/2 (35)}) 6... Nf6 (6... e5 7. Bxe5 Qa5+ 8. Nc3 Nxc3 9. bxc3 dxc4 10. e4 b5 (10... Be6 11. Bf4 Nd7 12. Ne2 Nb6 13. g3 Be7 14. Bd2 g5 15. f4 h5 16. f5 Bd7 17. Bg2 O-O-O 18. h4 gxh4 19. gxh4 c5 20. a4 Bc6 21. d5 Be8 22. Bf4 { Figlio,G (2466)-Fernández Ballón,A (2232) ICCF 2013 1-0 (30)}) 11. Ne2 Nd7 12. Bf4 Ba3 13. Bd2 Nb6 14. Nf4 Qa4 15. Qb1 O-O 16. Be2 Bd7 17. O-O Rae8 18. Bd1 {Hunger,H (2397)-Vinchev,S (2351) ICCF 2008 1-0 (29)}) (6... g5 7. Bc1 Qa5+ 8. Nc3 Nxc3 9. Bd2 e5 10. e3 Be6 11. cxd5 cxd5 12. Bxc3 Bb4 13. Bd3 Nc6 14. Ne2 g4 15. Kf2 gxf3 16. gxf3 exd4 17. Nxd4 Bxc3 18. Qxc3 {Doric,N (2394)-Kasyan,A (2398) ICCF 2017 1/2-1/2}) 7. e3 (7. c5 Qb4+ 8. Qc3 Qxc3+ 9. Nxc3 Nbd7 10. e3 e5 11. Bg5 g6 12. Bd3 Bg7 13. Nge2 O-O 14. Kf2 Re8 15. Bc2 exd4 16. exd4 Nf8 17. Rhd1 Ne6 18. Be3 Bd7 {Llagaria Vidal,E (2070)-Frijling,J (2151) ICCF 2014 1/2-1/2 (42)}) 7... Nh5 (7... Nbd7 8. Nc3 e6 9. cxd5 Nxd5 10. Nxd5 exd5 11. Ne2 Qd8 12. Nc3 Qf6 13. Bd3 Bd6 14. Bg3 Nb6 15. Ne2 g6 16. Kf2 O-O 17. Bxd6 Qxd6 18. h4 h5 19. Nf4 {Meißen,F (2413)-Los,A (2381) ICCF 2019 1/2-1/2 (25)}) (7... c5 8. Nc3 cxd4 9. Nxd5 Nxd5 10. cxd5 Bd7 11. Bc4 dxe3 12. Ne2 e5 13. Bxe5 Bb4+ 14. Bc3 O-O 15. Bxb4 Qxb4+ 16. Qc3 Qb6 17. O-O Bb5 18. b3 Nd7 19. Nd4 {Iotov,V (2567)-Kukk,R (2559) ICCF 2016 1/2-1/2 (34)}) 8. Bxb8 Rxb8 9. cxd5 (9. g4 Nf6 10. g5 Nh5 11. cxd5 g6 12. Kf2 h6 13. h4 Ng7 14. Nh3 Nf5 15. Nc3 Bg7 16. Qb3 Qc7 17. Ne4 Nxh4 18. Bc4 Nf5 19. Rac1 Nd6 20. Nxd6+ Qxd6 {Janda,K (2333) -Vieites,C (2340) ICCF 2019 1/2-1/2}) 9... Nf6 (9... g6 10. Nc3 Bh6 11. f4 Nf6 12. Qb3 Qc7 13. Nf3 O-O 14. h3 Bf5 15. g4 Be4 16. Kf2 g5 17. Rg1 Rbd8 18. Rc1 Bxf3 19. Kxf3 Kh8 20. Bd3 gxf4 21. g5 {Bourgault,J (1964)-Éboli,C (2031) ICCF 2021 1/2-1/2 (35)}) 10. dxc6 bxc6 (10... Qxc6 11. Nc3 b5 12. Bd3 e6 13. Nge2 Bd7 14. e4 Be7 15. Rc1 b4 16. Nd1 Qb6 17. Qc7 O-O 18. Ne3 Rfd8 19. Qxb6 axb6 20. Kf2 Rb7 21. Bc4 g6 22. g3 {Limbert,N (2335)-Bergner,M (2166) ICCF 2016 1-0 (53)}) 11. Nd2 Qxb2 (11... e5 12. Nc4 Qb4+ 13. Kf2 exd4 14. exd4 g6 15. a3 Qb3 16. Qxb3 Nd5 (16... Rxb3 17. Rb1 c5 18. Ne5 cxd4 19. Bc4 Rb7 20. Ba6 Rb8 21. Bxc8 Rxc8 22. Ne2 Bc5 23. Rhc1 d3+ 24. Ke1 dxe2 25. Nd3 Nd7 26. b4 {1/2-1/2 (26) Zajsek,F (2291)-Hrubcík,M (2402) ICCF 2016}) 17. Qxb8 {1-0 (17) Pecka,J (2422)-Valák,A (2366) ICCF 2014}) 12. Qxb2 Rxb2 13. Nc4 Rb7 14. Bd3 c5 (14... e6 15. Ne2 Be7 16. Rc1 O-O 17. Kf2 Rc7 18. Na5 Bd7 19. e4 Rd8 20. Nb3 Be8 21. Rhd1 Nd7 22. Rc2 c5 23. Bb5 g6 24. d5 exd5 25. exd5 Ne5 26. Bxe8 {Galjé,H (2196)-Leenders,C (2270) ICCF 2014 1/2-1/2 (28)}) 15. Ne2 e6 16. Rc1 (16. Kf2 cxd4 17. Nxd4 Bc5 18. Nb3 Bb4 19. Rab1 Nd5 20. Be4 O-O 21. Nba5 Bxa5 22. Rxb7 Bxb7 23. Nxa5 f5 24. Bxf5 exf5 25. Nxb7 Rb8 26. Rd1 Nxe3 27. Kxe3 Rxb7 { Vliet,E (2334)-Frijling,J (2354) ICCF 2020 1/2-1/2 (29)}) 16... Rc7 17. Kf2 Bd7 18. Rhd1 (18. g4 Be7 19. Ne5 O-O 20. Nxd7 Rxd7 21. g5 Nd5 22. dxc5 Rc7 23. f4 Bxc5 24. Kf3 Rfc8 25. e4 Nb4 26. Bb1 Bb6 27. Rxc7 Rxc7 28. a3 Nc2 29. Bxc2 { 1/2-1/2 (29) Bertaggia,A (1931)-Sperduti,S ICCF 2019}) 18... Be7 19. Ne5 O-O ( 19... Ba4 20. Bc2 Bxc2 21. Rxc2 O-O 22. Rdc1 Rfc8 23. e4 Kf8 24. g3 Bd6 25. Nd3 Nd7 26. e5 Be7 27. dxc5 Nxc5 28. Ke3 Na6 29. Rxc7 Rxc7 30. Rxc7 Nxc7 31. Nc3 { Andéer,S (2464)-Catt,P (2418) ICCF 2013 1/2-1/2 (32)}) 20. Nxd7 Nxd7 21. Rd2 g6 22. Rdc2 Rb8 23. f4 (23. g4 h6 24. f4 Kg7 25. Kf3 Rcc8 26. h4 g5 27. hxg5 hxg5 28. f5 Rb4 29. Ng3 Rd8 30. Nh5+ Kf8 31. fxe6 fxe6 32. a3 Rb6 33. Ke4 Kg8 34. Rf1 a5 {Rawlings,A (2361)-Frijling,J (2220) ICCF 2015 1/2-1/2 (47)}) 23... h5 24. Ng3 Nf6 25. dxc5 e5 26. fxe5 Ng4+ 27. Ke2 Nxe5 28. Ne4 Kg7 29. h3 Rbc8 30. Ba6 {1/2-1/2 (30) Parmet,D (2373)-Frijling,J (2269) ICCF 2017 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 5. Nc3 Bf5 6. e3 e6 7. c5 Qd8 8. Nf3 Be7 9. Bd3 Nbd7 10. Bxf5 exf5 11. b4 Ne4 12. Qc2 a6 13. h3 h5 14. a4 g5 15. Bh2 Rg8 {Kotyurgin,I (2272)-Poletaev,V (1999) ICCF 2020 1-0 (66)}) 4... d5 (4... d6 5. Nf3 Bf5 6. h3 Nbd7 7. g4 Bg6 8. Bg2 h6 9. O-O e6 10. a3 Be7 11. b4 O-O 12. Qc1 Rfc8 13. Nc3 Qa6 14. Nd2 Nb6 15. Nd1 d5 16. c5 {Kazoks,A (2280)-Giroux,M (2201) ICCF 2020 1/2-1/2 (49)}) 5. Nf3 Bg4 6. c5 Qd8 7. Nbd2 Nbd7 8. b4 Nh5 9. g3 g6 10. h3 Nxf4 11. hxg4 Ne6 12. e4 Bg7 13. e5 a5 14. b5 f6 15. Qa4 {Mikhailov,V (2346)-Baroin,B (2331) ICCF 2021 1/2-1/2 (31)}) (3... d5 4. cxd5 cxd5 5. Bxb8 Rxb8 6. Qa4+ Bd7 7. Qxa7 Bc6 8. Nf3 Ra8 9. Qc5 Ne4 10. Qc2 e6 11. Nc3 Qa5 12. Nd2 Bd6 13. Nb3 Qc7 14. e3 O-O 15. Bd3 {Houston Smith,D (1806)-Hamer,J (1845) ICCF 2020 0-1}) (3... Nh5 4. Bg3 Qa5+ 5. Nc3 e6 6. e3 Bb4 7. Qc2 O-O 8. Be2 Nf6 9. Nf3 Bxc3+ 10. bxc3 Ne4 11. Bd3 Qxc3+ 12. Qxc3 Nxc3 13. Bd6 Re8 14. a4 f5 15. a5 {Boveda gay,A-Günther,R (1603) ICCF 2018 1-0 (26)}) 4. Nc3 Bf5 (4... e5 5. dxe5 Nh5 6. Bd2 dxe5 7. e3 g6 8. Be2 Nf6 9. Nf3 Qe7 10. e4 Bg7 11. Qc2 Bg4 12. O-O Na6 13. a3 Nc5 14. Be3 Bxf3 15. Bxf3 Ne6 16. b4 {Stone,G (2338)-Leonard,A (2359) ICCF 2018 1/2-1/2 (57)}) (4... g6 5. e3 Bg7 6. h3 Qa5 7. Bd3 e5 8. Bh2 Nbd7 9. Nge2 e4 10. Bc2 Nb6 11. b3 d5 12. c5 Nbd7 13. Rb1 Qd8 14. b4 a6 15. Qd2 O-O 16. O-O {Delgado,L (2015)-Mendez,A (2134) ICCF 2012 1-0 (37)}) 5. f3 (5. Nf3 Nbd7 6. e3 Qb6 7. Qd2 Ne4 8. Nxe4 Bxe4 9. Be2 e5 10. Bg3 exd4 11. exd4 Be7 12. O-O O-O 13. Rac1 Rfe8 14. Rc3 (14. Rfd1 h6 15. Rc3 Nf6 16. Bf4 Bf8 17. h3 Qa5 18. Re3 Qxd2 {1/2-1/2 (18) Farkas,L (2102)-Batchelor,P (2216) ICCF 2015}) 14... h6 15. Rb3 Qc7 16. Re3 Nf6 {Tazelaar,H (2395)-Walczak,P (2459) ICCF 2013 1/2-1/2 (32)}) 5... Nbd7 (5... h6 6. e4 Bh7 7. Qb3 Qb6 8. Qxb6 axb6 9. Nge2 Na6 10. a3 Nd7 11. Be3 e5 12. O-O-O Be7 13. h4 O-O 14. g4 Bg6 15. Kc2 Nc7 16. Ng3 exd4 17. Bxd4 {Sergiev,S (2343)-Leenders,C (2154) ICCF 2011 1-0 (47)}) 6. e4 e5 7. Be3 Bg6 8. Be2 Be7 9. Nh3 O-O 10. O-O exd4 11. Bxd4 Nc5 12. b4 Ne6 13. Be3 a5 14. a3 {Morozov,D (2455)-Walczak,P (2495) ICCF 2016 1/2-1/2 (44)}) (2... Ne4 3. e3 (3. f3 Nf6 4. e4 d6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 a5 8. O-O-O a4 9. Bh6 Bxh6 10. Qxh6 a3 11. b3 c6 12. e5 Qa5 13. Qe3 dxe5 14. dxe5 Nfd7 {Kaabi,M (2134)-Bester,B (2430) ICCF 2009 0-1}) 3... e6 4. Bd3 Nc6 5. Bxe4 f5 6. Bf3 d5 7. cxd5 exd5 8. Ne2 Na5 9. b3 c6 10. Nf4 Bd6 11. Ba3 b5 12. Bxd6 Qxd6 13. Bh5+ Kd8 14. O-O {Campbell,E (2101)-Baron,M ICCF 2014 1-0 (32)}) (2... h5 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Nxc3 6. bxc3 e6 7. e4 c6 8. Bd3 f6 9. Nh4 Qa5 10. Bd2 Qc7 11. f4 Qf7 12. f5 Be7 13. Ng6 Rh7 14. O-O {Suihko,K (1980)-Enoksson,B (1463) ICCF 2019 1-0}) (2... Rg8 3. Nf3 c5 4. d5 d6 5. Qc2 e5 6. Nc3 Be7 7. e4 Nbd7 8. Be2 h6 9. O-O a5 10. Nb5 g5 11. Bd2 Nf8 12. g3 b6 13. Ne1 Bh3 14. Ng2 {Mroczek, J (2164)-Wolff,N (1674) ICCF 2012 1-0}) 3. Nc3 (3. Nf3 b6 (3... d6 4. Nc3 b6 5. e4 Be7 6. Bd3 O-O (6... Nbd7 7. Qc2 e5 8. O-O O-O 9. Rd1 Bb7 10. Bf1 Ng4 11. h3 exd4 12. Nxd4 Nge5 13. Nd5 Nc6 14. Nxc6 Bxc6 15. b4 Bf6 16. Rb1 Re8 17. Re1 a5 18. a3 {Brugger,A-Woodhouse,D ICCF 2006 1-0 (37)}) 7. e5 dxe5 8. dxe5 Ne8 9. Qe2 Bb7 10. O-O a6 11. Rd1 Qc8 12. Bg5 Bxg5 13. Nxg5 g6 14. Qe3 Ng7 15. g4 { Rotaru,I (2279)-Secrieru,I (1740) ICCF 2014 1-0 (27)}) 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Nc3 (7. Bf4 O-O 8. Nc3 Nh5 (8... d5 9. cxd5 exd5 10. b4 Ne4 11. Rc1 Nxc3 12. Rxc3 c6 13. Ne5 a5 14. a3 axb4 15. axb4 b5 16. e4 dxe4 17. Bxe4 Qe7 18. Re1 Qxb4 {Just,J (2228)-Molzahn,N (2231) ICCF 2021 1-0 (30)}) (8... d6 9. Qd2 c5 10. dxc5 dxc5 11. Qc2 Nc6 12. Rfd1 Qc8 13. Nb5 Nb4 14. Qb3 Ne4 15. Ng5 Nxg5 16. Nd6 Qd8 17. Nxb7 Qf6 18. a3 Qxb2 19. Qxb2 {Arpa,E-Esen,C ICCF 2006 1-0 }) 9. Bg5 f6 10. Be3 f5 11. Qd2 Nf6 12. Bg5 Qe8 13. Bxf6 Bxf6 14. Rae1 Bxf3 15. exf3 Na6 16. Re3 Qf7 17. f4 c6 18. d5 Rad8 {Bratovic,B (2381)-David-Bordier,C (2400) ICCF 2019 1/2-1/2}) (7. Bg5 d6 8. Nc3 h6 9. Be3 Nc6 10. Qc2 O-O 11. Rad1 Ne7 12. Rfe1 d5 13. cxd5 exd5 14. Bf4 Nh5 15. Bd2 Nf6 16. Qc1 Kh7 17. h4 Ne4 18. Bf4 {Koelewijn,A (2234)-Tieken,F (2195) ICCF 2016 1/2-1/2 (32)}) 7... Ne4 ( 7... O-O 8. d5 (8. b4 d6 9. Bb2 Re8 10. Qc2 d5 11. c5 bxc5 12. dxc5 c6 13. Rad1 a6 14. e4 Qc7 15. e5 Nfd7 16. Rfe1 f6 17. exf6 Nxf6 18. Ng5 Bc8 19. Bh3 e5 { Archip,L-Gaitán,N (1834) ICCF 2017 1-0 (37)}) (8. Bg5 d6 (8... d5 9. cxd5 Re8 10. dxe6 fxe6 11. e3 h6 12. Bxf6 Bxf6 13. Qc2 Kg7 14. Ne5 Bxe5 15. Bxb7 Nd7 16. dxe5 Rb8 17. Bc6 Kf7 18. Rad1 Re7 19. Qd2 a6 20. Bxd7 {Budin,F (1931)-Cousteix, T ICCF 2007 1-0 (25)}) 9. Qd2 Nbd7 10. e4 e5 11. d5 Nc5 12. Rae1 Qd7 13. b4 Na6 14. a3 Rae8 15. h3 Nb8 16. Nh2 Ba6 17. b5 Bc8 18. Bh6 Qe7 19. Bxg7 Kxg7 20. f4 Kg8 21. Qf2 Nbd7 22. Re3 Kg7 23. f5 a5 24. g4 Kh8 25. g5 Nh5 26. f6 Qd8 27. Qh4 Nc5 28. Bf3 Nf4 29. Bg4 Bxg4 30. hxg4 Qc8 31. Rxf4 {1-0 (31) Tibbert,P (1684) -Kent,C (1472) ICCF 2020 Queen's Fianchetto Defence 1-d4 Nf6 2 c4 b6}) 8... d6 (8... Re8 9. e4 exd5 10. exd5 Na6 11. Nd4 Nc5 12. Bg5 Qc8 13. Rc1 Nce4 14. Nxe4 Nxe4 15. Bf4 d6 16. b3 Qd7 17. Re1 Nf6 18. Be3 Re7 19. Qd2 Rae8 20. Qd3 { Parente,A (2088)-Rumyantsev,V (2188) ICCF 2019 1/2-1/2 (28)}) (8... exd5 9. cxd5 Re8 10. Nd4 Na6 11. Bf4 Nc5 12. Ndb5 d6 13. b4 Nce4 14. Nxe4 Nxe4 15. Rc1 Re7 16. f3 {Kamenskikh,A (1912)-Vitale,N (1961) ICCF 2019 1-0 (41)}) 9. e4 Nbd7 10. Qc2 Nc5 11. Be3 exd5 12. cxd5 Re8 13. Nd4 Ncd7 14. Nc6 Bxc6 15. dxc6 Nf8 16. Rad1 Qc8 17. f4 Ng4 18. Bc1 Nh6 19. Nd5 {Savary,J-Davis,J (1086) ICCF 2021 1-0}) 8. Nxe4 Bxe4 9. Bg5 Qc8 (9... f6 10. Bf4 (10. Be3 O-O 11. d5 Qe7 12. Qd2 c5 13. Ne1 Bxg2 14. Nxg2 f5 15. f3 Qf7 16. Nf4 Na6 17. Rad1 Nc7 18. b3 Rfe8 19. Kf2 {Lushnikov,A (2285)-Orlovtsev,A (2273) ICCF 2019 1/2-1/2 (53)}) 10... O-O 11. Rc1 a5 12. Qd2 Re8 (12... Na6 13. Bh6 Qe7 14. Bxg7 Kxg7 15. Qe3 Bb7 16. Qc3 d6 17. Rfd1 Rad8 18. a3 Rfe8 19. b4 axb4 20. axb4 c5 21. b5 Nb4 22. Ra1 Bxf3 23. Bxf3 e5 24. e3 {Vegjeleki,A (2226)-Andersen,J (2264) ICCF 2017 1/2-1/2 (32) }) 13. Rfd1 d6 14. h4 Nd7 15. b3 Qe7 16. Ne1 Bxg2 17. Kxg2 e5 18. dxe5 fxe5 19. Qd5+ Qf7 20. Bg5 Rf8 21. Be7 {Batrakov,A (2517)-Schilcher,A (2523) ICCF 2015 1/ 2-1/2 (58)}) 10. Qd2 (10. Rc1 c5 11. Qd2 O-O {1/2-1/2 (11) Sisák,R (2326) -Morano,R (2222) ICCF 2021}) 10... h6 11. Be3 d6 (11... Qb7 12. Rac1 d6 13. d5 Nd7 14. dxe6 fxe6 15. b4 a5 16. c5 axb4 17. c6 Bxc6 18. Rxc6 Qxc6 19. Nd4 Qc3 20. Qxc3 bxc3 21. Bxa8 Kf7 22. Bc6 Ne5 23. Bb5 {Laurenc,R (2180)-Benes,J (2096) ICCF 2014 1-0 (64)}) 12. d5 (12. Bh3 Bxf3 13. exf3 Qd8 14. Rfe1 Nd7 15. b4 c5 16. Rab1 cxd4 17. Bxd4 Bxd4 18. Qxd4 Ne5 19. Bg2 Qf6 20. Qxd6 Nxf3+ 21. Bxf3 Qxf3 22. Rbd1 Qb7 23. a4 Rc8 {Sherwood,H (2337)-Wilson,M (1819) ICCF 2019 1-0 (47)}) 12... e5 13. b4 Nd7 14. Rac1 Nf6 {Sherwood,H (2317)-Cook,D (2261) ICCF 2016 1/2-1/2 (42)}) (3. Qd3 Nc6 (3... c5 4. e3 d5 5. Nf3 cxd4 (5... dxc4 6. Qxc4 Nbd7 7. Be2 a6 8. O-O b5 9. Qd3 Bb7 10. a4 c4 11. Qc2 Bd6 12. Nc3 b4 13. Nb1 Rc8 14. Nbd2 c3 15. bxc3 Rxc3 16. Qb1 O-O 17. e4 {Green,M (2061) -Kriksciunas,B (2336) ICCF 2016 0-1 (65)}) 6. exd4 dxc4 7. Qxc4 Bd6 8. Be2 b6 ( 8... O-O 9. O-O b6 10. Nc3 Bb7 11. Ne5 Nd5 12. Nxd5 Bxd5 13. Qc3 Qe7 14. b3 Nc6 15. Nxc6 Qc7 16. Bb2 Qxc6 17. Qxc6 Bxc6 18. Rac1 Bd5 19. g3 g5 20. Bc4 { Green,M (2085)-Stukalov,M (2065) ICCF 2015 1/2-1/2 (25)}) 9. Qb5+ Bd7 10. Qd3 Bc6 11. O-O Nbd7 12. Na3 O-O 13. Nc4 Bc7 14. Rd1 Qb8 15. Bd2 {Green,M (2079) -Ward,R (2183) ICCF 2016 1/2-1/2 (37)}) (3... d5 4. Nf3 Be7 5. Nc3 O-O 6. a3 ( 6. g3 c5 7. Bg2 cxd4 8. Nxd4 dxc4 9. Qxc4 e5 10. Nb3 Nc6 11. O-O Be6 12. Qb5 Qc7 13. Be3 Rac8 14. Rad1 a6 15. Qb6 Qxb6 16. Bxb6 Nb4 17. Na5 Nd7 { Petruzzelli,R (2070)-Vallone,G (2028) ICCF 2015 1/2-1/2 (26)}) 6... h6 7. g3 b6 8. cxd5 exd5 9. Ne5 Ba6 10. Qf3 Bb7 11. Bg2 c5 12. dxc5 Bxc5 13. O-O Re8 14. Bf4 g5 15. Rad1 {Petruzzelli,R (2077)-Marshall,I (2011) ICCF 2013 1-0 (62)}) 4. Nf3 Be7 (4... d5 5. Nc3 Be7 6. Bf4 O-O 7. e3 b6 8. Qc2 Nb4 9. Qb3 Ba6 10. Rd1 c6 11. Be5 dxc4 12. Bxc4 Bxc4 13. Qxc4 Nfd5 14. Qb3 b5 15. a3 Nxc3 16. Qxc3 { Green,M (2085)-Tempestini,A (2037) ICCF 2015 1/2-1/2 (37)}) (4... Bb4+ 5. Nc3 b6 6. e4 d5 7. cxd5 exd5 8. e5 Ne4 9. Qc2 O-O 10. Bb5 Bd7 11. Bd3 f5 12. O-O Bxc3 13. bxc3 Qe7 14. Nd2 Nxd2 15. Bxd2 Na5 16. Bf4 {Petruzzelli,R (2072) -Marturano,M (1953) ICCF 2014 1-0 (67)}) 5. a3 d5 6. e3 O-O 7. Qc2 dxc4 8. Bxc4 Bd6 9. Nc3 e5 10. d5 (10. h3 Bd7 11. d5 Ne7 12. O-O a6 13. Rd1 Ng6 14. b4 Qe7 15. Nd2 Rae8 16. Bd3 Nh4 17. Rb1 Nh5 18. Bf1 f5 19. Kh1 f4 20. Qd3 e4 21. Ndxe4 Nxg2 {Green,M (2079)-Keber,E (2269) ICCF 2016 0-1 (55)}) 10... Ne7 11. h3 e4 12. Nxe4 Nxe4 13. Qxe4 Bf5 14. Qh4 Ng6 {Perina,G (2228)-Petruzzelli,R (2119) ICCF 2012 1-0 (33)}) (3. c5 b6 (3... Nc6 4. Nf3 b6 5. cxb6 axb6 6. Bg5 Be7 7. e3 O-O 8. Bd3 d5 9. Qc2 Qd6 10. Bxf6 Bxf6 11. Bxh7+ Kh8 12. Nc3 g6 13. Bxg6 fxg6 14. Qxg6 Qe7 15. Qh6+ {Baller,M (1558)-Carey,G ICCF 2019 0-1 (34)}) (3... d5 4. Bg5 b6 5. b4 a5 6. bxa5 bxc5 7. e3 Rxa5 8. Bd3 cxd4 9. exd4 Bb4+ 10. Nd2 c5 11. Ne2 Nc6 12. O-O cxd4 13. Nb3 Ra7 14. Nbxd4 Nxd4 15. Nxd4 {Gosling, D-Tupper,A ICCF 2010 0-1 (39)}) (3... d6 4. b4 dxc5 5. bxc5 Nc6 6. e3 Be7 7. Bb5 Bd7 8. Nf3 O-O 9. O-O a6 10. Bxc6 Bxc6 11. Ne5 Qd5 12. f3 Rad8 13. Nc3 Qxe5 14. dxe5 Rxd1 15. Rxd1 {Gosling,D (1332)-Ross,G (1631) ICCF 2018 0-1 (39)}) 4. b4 a5 (4... d6 5. cxd6 Bxd6 6. a3 O-O 7. Bg5 Bb7 8. Nd2 e5 9. Bxf6 Qxf6 10. dxe5 Bxe5 11. Rb1 Rd8 12. Ngf3 Bxf3 13. gxf3 Bc3 14. Qb3 Bxd2+ 15. Kd1 Qc6 16. e4 {Ptácek,J (1761)-Góc,P (2241) ICCF 2016 0-1}) 5. Bd2 (5. Qa4 Bb7 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 axb4 9. Qxb4 Na6 10. Qb3 Nxc5 11. Qc3 Ne4 12. Qc2 Bb4+ 13. Kd1 Nxf2+ 14. Kc1 c5 15. a3 Be4 16. Qc4 cxd4 {Little,G (1586)-Rallabandi,P ICCF 2016 0-1}) 5... axb4 6. Bxb4 Nc6 7. Qd2 (7. a3 Nxb4 8. Nc3 Nbd5 9. Nxd5 exd5 10. Qc2 bxc5 11. dxc5 Ne4 12. c6 Qf6 13. cxd7+ Bxd7 14. Rb1 Qxf2+ 15. Kd1 Qxf1# {0-1 (15) Gosling,D (1475)-Mason,I (2192) ICCF 2016}) (7. Qb3 Nd5 8. e3 Ncxb4 9. Nc3 Ra3 10. Qb2 Rxc3 11. Rb1 Nc2+ 12. Kd2 bxc5 13. dxc5 Qh4 14. Qb8 Qxf2+ 15. Ne2 Qxe3+ 16. Kd1 Rd3+ {0-1 (16) Gosling,D-Taylor,T (2317) ICCF 2009} ) 7... Ne4 8. Qb2 (8. Qd3 Nxf2 9. Kxf2 Nxb4 10. Qb3 Qh4+ 11. Ke3 Nd5+ 12. Kd3 bxc5 13. Nf3 c4+ 14. Qxc4 Qf4 15. Kc2 Ne3+ 16. Kc3 Nxc4 17. Kxc4 Qc1+ 18. Kd3 Ba6+ 19. Ke4 d5+ {Gosling,D (1239)-Read,C ICCF 2020 0-1}) 8... bxc5 (8... Nxb4 9. Qxb4 bxc5 10. dxc5 Qf6 11. Nc3 (11. Qxe4 Qxa1 12. Qxa8 Qxb1+ 13. Kd2 Qb2+ 14. Kd3 Kd8 15. Qa5 Qb1+ 16. Kc4 Qc2+ 17. Kd4 e5+ 18. Kxe5 Bxc5 19. Nh3 d6+ 20. Kd5 Bb7# {0-1 (20) Gosling,D (1413)-O'Keefe,M (1385) ICCF 2017}) 11... Rb8 12. Qa3 Qxf2+ 13. Kd1 Qd4+ {0-1 (13) Gosling,D (1332)-Nettles,P (2183) ICCF 2018}) 9. dxc5 Rb8 10. a3 Bxc5 11. Qxg7 Bxf2+ 12. Kd1 Bd4 13. Qxh8+ Bxh8 14. Ra2 Nxb4 {Gosling,D (1475)-Denham,C (2112) ICCF 2016 0-1}) (3. Qc2 c5 (3... d5 4. Nd2 Nc6 5. e3 Be7 6. Ngf3 O-O 7. Ne5 Nxe5 8. dxe5 Nd7 9. f4 c6 10. g4 f6 11. Bd3 g6 12. exf6 Bxf6 13. Bxg6 hxg6 14. Qxg6+ Bg7 15. Qxe6+ {Ridout,P (1500)-Liles,C (1511) ICCF 2018 0-1 (50)}) (3... Bb4+ 4. Bd2 Nc6 5. Bxb4 Nxb4 6. Qc3 a5 7. Na3 O-O 8. Nc2 Qe7 9. Nxb4 axb4 10. Qg3 Ne4 11. Qxc7 b3 12. a3 Qb4+ {0-1 (12) Krett,V (1662)-Jackson,M (1756) ICCF 2012}) 4. dxc5 (4. e3 Nc6 (4... cxd4 5. exd4 b6 6. Nc3 Be7 7. a3 Bb7 8. Nf3 O-O 9. Be3 d5 10. cxd5 Nxd5 11. Bd3 h6 12. Be4 Qc8 13. Nxd5 Bxd5 14. Qxc8 Rxc8 15. Bxd5 exd5 16. Rc1 {Leupold,V (2367) -Crabb,N (2278) ICCF 2013 1/2-1/2}) 5. Nf3 b6 (5... d5 6. dxc5 Bxc5 7. cxd5 Qxd5 8. Nc3 Nb4 9. Qe2 Qh5 10. a3 Nc6 11. b4 Be7 12. Bb2 O-O 13. Nd2 Qg6 14. Nc4 b6 15. b5 Na5 16. Ne5 Qh6 17. Nc6 {Damarez,P (1834)-Blondel,F (1998) ICCF 2013 0-1 (34)}) 6. a3 Bb7 7. dxc5 bxc5 8. Nc3 Be7 9. Be2 O-O 10. O-O a6 11. Rd1 Qc7 12. Rb1 Rab8 13. b3 Ng4 14. Ne4 f5 15. Ng3 Ba8 {Pesonen,S (2215) -Sutkalenko,D (2260) ICCF 2013 0-1 (32)}) (4. Be3 Nc6 5. d5 exd5 6. cxd5 Nb4 7. Qc4 Nbxd5 8. Bxc5 Qc7 9. e4 b5 10. Qxd5 Nxd5 11. exd5 Bxc5 12. Nf3 O-O 13. Nc3 Ba3 14. Nd4 Bxb2 15. Ndxb5 Bxc3+ {Ridout,P-Thew,B (2115) ICCF 2017 0-1}) (4. Bg5 cxd4 5. Nd2 Be7 6. g3 Nc6 7. a3 O-O 8. Bg2 b6 9. Nh3 Bb7 10. O-O h6 11. Bxf6 Bxf6 12. Nf4 Qc7 13. Ne4 Be7 14. Rad1 a5 15. Nd5 exd5 {Richardson,R-Greco, T ICCF 2015 1-0 (38)}) (4. d5 exd5 5. cxd5 Nxd5 6. e4 Nb4 7. Qa4 Be7 8. Be3 O-O 9. a3 N4c6 10. Nc3 d6 11. Rd1 Bd7 12. Qc2 Ne5 13. Be2 Nbc6 14. Nf3 Nxf3+ 15. Bxf3 Bf6 {Khromov,D-Abdulmanov,E (2251) ICCF 2013 1/2-1/2 (52)}) (4. Nf3 cxd4 5. Nxd4 b6 6. Nc3 Bb7 7. Bf4 Nh5 8. Bd2 Nc6 9. Nxc6 Bxc6 10. e4 Qf6 11. Nb5 Bc5 12. Nc7+ Kd8 13. Nxa8 Qxf2+ 14. Kd1 Nf6 15. Bg5 Qd4+ {Bradney,R (1951)-Neale,M (1969) ICCF 2015 0-1 (36)}) 4... Bxc5 5. a3 O-O 6. Bf4 Nc6 (6... Qa5+ 7. Nd2 Be7 8. Ngf3 Nc6 9. Qb1 Nh5 10. Bg3 Qd8 11. Qd3 d6 12. Rd1 f5 13. e3 Kh8 14. Ng1 e5 15. Be2 Qe8 16. Bxh5 Qxh5 17. Ne2 Be6 18. f3 {Ermakov,V (2243)-Skirka,V ICCF 2016 1/2-1/2 (61)}) 7. e3 d5 8. cxd5 Qa5+ 9. Nd2 Nxd5 10. Rc1 b6 11. Bg3 Bb7 12. Ngf3 Rac8 13. Bc4 Rfd8 14. Bxd5 Rxd5 {Schiller,W (2228)-Mende,I (2319) ICCF 2013 0-1 (30)}) (3. Bd2 c5 (3... d5 4. Nc3 c5 5. e3 Nc6 6. dxc5 Bxc5 7. Nf3 O-O 8. a3 Ne4 9. b4 Be7 10. Be2 Nxd2 11. Nxd2 Bf6 12. Qc1 d4 13. exd4 Nxd4 14. Bd1 a5 15. Rb1 {Lakbur,L (1581)-Calugar,M (1587) ICCF 2020 1/2-1/2}) 4. e3 (4. Nf3 cxd4 5. Nxd4 Be7 6. Nc3 O-O 7. e4 d5 8. Bd3 dxe4 9. Nxe4 Nxe4 10. Bxe4 Qxd4 11. Qc2 f5 12. O-O Qxe4 13. Qxe4 fxe4 14. Rae1 Nc6 15. Rxe4 e5 {Tarrant, J-Dreisch,J (2106) ICCF 2016 0-1 (25)}) 4... cxd4 5. exd4 Nc6 (5... d5 6. Be2 Be7 7. Nf3 Nc6 8. Nc3 dxc4 9. Bxc4 Nxd4 10. O-O Nxf3+ 11. gxf3 O-O 12. Bg5 b6 13. Qxd8 {1-0 (13) Hardwick,M (1546)-Mason,B ICCF 2008}) 6. Nf3 Be7 7. Be2 O-O 8. O-O d5 9. Bg5 (9. cxd5 exd5 10. Bb5 Bg4 11. Bxc6 bxc6 12. Re1 Ne4 13. h3 Bh5 14. Nc3 Bxf3 15. Qxf3 Nxd2 16. Qe3 Bg5 17. Qe2 g6 18. Rad1 Nc4 19. Qc2 Qa5 20. Qa4 Qb6 {Hardwick,M (1546)-Savoya,A (1882) ICCF 2008 0-1 (37)}) 9... Qb6 10. Be3 Qxb2 11. Nbd2 Ng4 12. Qb1 Qxb1 13. Rfxb1 Nxe3 14. fxe3 dxc4 {Hardwick,M (1456)-Bieszk,S (1858) ICCF 2009 0-1 (37)}) (3. f3 d5 (3... b6 4. e4 Na6 5. Bg5 h6 6. Be3 c5 7. d5 e5 8. Nh3 Qc7 9. Nc3 Bd6 10. Nb5 Qb8 11. Be2 Nb4 12. Qd2 a6 13. Nxd6+ Qxd6 14. a3 Nc6 15. dxc6 {Gavrilovic,M (2003)-Jezersek,M ICCF 2005 1-0 (26)}) (3... Bb4+ 4. Bd2 a5 5. Qa4 Bxd2+ 6. Nxd2 Nc6 7. e3 d6 8. Bd3 Bd7 9. Qb3 O-O 10. Ne2 e5 11. O-O Nb4 12. dxe5 dxe5 13. Be4 Nxe4 14. Nxe4 Qe7 15. a3 { Callaway,A (1597)-Kocher,R ICCF 2016 1-0 (28)}) 4. c5 (4. cxd5 exd5 (4... Nxd5 5. e4 Bb4+ 6. Bd2 Ne3 7. Qa4+ Nc6 8. Bxb4 Qxd4 9. Nc3 Bd7 10. Bb5 Nxb4 11. Nge2 {1/2-1/2 (11) Reyes,S (1483)-Tlapala Escobar,N ICCF 2020}) 5. Nc3 (5. Bg5 h6 6. Bh4 Bb4+ 7. Nc3 O-O 8. e3 Re8 9. Qd2 c5 10. Nge2 Nc6 11. a3 Bxc3 12. bxc3 Na5 13. Nc1 Bf5 14. Bb5 Re6 15. O-O c4 16. Ba4 Qe7 {Slyusar,V (2301)-Reichgeld,M (2216) ICCF 2020 1/2-1/2 (28)}) (5. e3 c5 6. Bd3 Nc6 7. Ne2 Bd6 8. O-O O-O 9. Nbc3 a6 10. Kh1 Re8 11. dxc5 Bxc5 12. Nf4 d4 13. exd4 Nxd4 14. Ne4 Nxe4 15. fxe4 Nc6 16. Bd2 Ne5 {Armani,G (2333)-Jasinski,M (2416) ICCF 2017 1/2-1/2 (55)} ) 5... c5 6. e4 cxd4 7. Qxd4 Nc6 8. Bb5 Bd7 9. Bxc6 Bxc6 10. Nxd5 Nxd5 11. exd5 Qxd5 12. Qxd5 Bxd5 13. Be3 b6 14. b3 O-O-O 15. Ne2 Bb4+ {Aupí Royo,J (2365) -Beth,N (2135) ICCF 2012 1/2-1/2 (45)}) (4. e3 c5 5. Bd3 Nc6 6. Ne2 cxd4 7. exd4 Bd6 8. Bg5 O-O 9. Nbc3 dxc4 10. Bxc4 e5 11. Qd2 exd4 12. Nxd4 Nxd4 13. O-O-O Be7 14. h4 Ne6 15. Bd3 Qc7 {Taylor,D-Stidham,D ICCF 2019 0-1 (33)}) 4... b6 5. Bg5 (5. cxb6 axb6 6. Nc3 c5 7. e3 c4 8. Be2 Bd7 9. Bd2 b5 10. a3 Be7 11. f4 Nc6 12. Nf3 Na5 13. Nxb5 Bxb5 14. Bb4 Nb3 15. Rb1 Bxb4+ 16. axb4 Ng4 { Santamaría Quintana,I (1339)-Sifré Calafat,F (1853) ICCF 2012 0-1 (29)}) 5... bxc5 6. e3 cxd4 7. e4 h6 8. Bxf6 Qxf6 {0-1 (8) Glover,V (1709)-Dmitrieva,G (2331) ICCF 2015}) (3. g4 d5 4. Nf3 (4. Nc3 Nxg4 5. Nf3 c6 6. Rg1 Nf6 7. Qd3 Nbd7 8. Ng5 dxc4 9. Qxc4 Qc7 10. Nf3 a6 11. e4 b5 12. Qd3 b4 13. Ne2 Bb7 14. Bf4 Qd8 15. Ne5 Nxe5 {Nestianu,R (2227)-Hayes,M (2067) ICCF 2008 1/2-1/2 (40)}) (4. g5 Ne4 5. Nf3 Nc6 6. Bg2 Bb4+ 7. Kf1 Be7 8. h4 O-O 9. Bf4 f6 10. Nc3 fxg5 11. Bxg5 Bxg5 12. hxg5 Nxg5 13. cxd5 exd5 14. Nxg5 Qxg5 15. Bxd5+ Kh8 {Zawadka, Z (2185)-Olano Aizpurua,J (2258) ICCF 2017 (26)}) 4... dxc4 (4... Nxg4 5. Rg1 Nf6 6. Nc3 Nc6 7. Ne5 dxc4 8. Qa4 Qd6 9. a3 Nd5 10. Ne4 Qd8 11. Nxc6 Qd7 12. Qxc4 Qxc6 13. Qxc6+ bxc6 14. Nc5 f5 15. Bd2 Bxc5 16. dxc5 {Mathe,I (2435) -Mignon,F (2408) ICCF 2008 1/2-1/2}) 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 Nc6 8. Qc2 Qd5 9. Bf4 Qa5 10. g5 Nd5 11. Bd2 Bd7 12. e4 Nb6 13. a4 f5 14. Bg2 O-O-O { Obukhova,S-Shchebenyuk,N (2020) ICCF 2009 0-1 (45)}) (3. Bf4 b6 (3... Bb4+ 4. Bd2 Bxd2+ 5. Nxd2 O-O 6. e4 d6 7. f4 e5 8. fxe5 dxe5 9. d5 c6 10. Qb3 Na6 11. Qc3 Nc5 12. Bd3 Bg4 13. Bc2 cxd5 14. exd5 Rc8 15. h3 {Dojcinovic,M (1684) -Sekyrka,J ICCF 2015 0-1 (27)}) 4. a3 Bb7 5. e3 Be7 6. Nc3 O-O 7. Qc2 d6 8. Bg3 c5 9. Rd1 cxd4 10. Rxd4 Nc6 11. Rd1 a6 12. Nf3 Rc8 13. Qd3 Na5 14. Nd2 Qc7 { Veiga Rodriguez,P-Acosta Mira,J (2240) ICCF 2012 1/2-1/2}) (3. b3 Bb4+ (3... b6 4. Nc3 Bb7 5. Nf3 Bb4 6. Bd2 O-O 7. Qc2 Nc6 8. a3 Be7 9. h4 d5 10. g3 Ba6 11. Ng5 Re8 12. Bg2 Nxd4 13. Qd3 Nxb3 14. Rb1 Nc5 15. Qc2 {Walters,B (1455)-de Jong,O ICCF 2015 1-0}) 4. Bd2 a5 5. Bxb4 axb4 6. Qd2 Qe7 7. e3 O-O 8. c5 Nc6 9. Bb5 Ne4 10. Qd3 f5 11. Bxc6 bxc6 12. Qc4 f4 13. Nf3 Ba6 14. Qxb4 fxe3 {Jones,S (1400)-Morgans,J (1982) ICCF 2019 0-1 (26)}) (3. Nd2 d5 4. a3 Be7 5. Ngf3 Nbd7 6. e3 O-O 7. b3 b6 8. Bd3 Bb7 9. Bb2 c5 10. O-O Rc8 11. h3 h6 12. b4 cxb4 13. axb4 dxc4 14. Nxc4 a6 {Williams,R (1045)-Iglesias,V ICCF 2019 0-1 (31)}) (3. e4 Nxe4 4. Bd3 Bb4+ 5. Bd2 (5. Nd2 Nxd2 6. Bxd2 Bxd2+ 7. Qxd2 d5 8. c5 b6 9. b4 bxc5 10. bxc5 Nc6 11. Nf3 h6 12. Rb1 O-O 13. O-O Qe7 14. Rfe1 a5 15. a3 f5 16. Bb5 Bd7 {Arnold,E-Tibbert,P (1794) ICCF 2013 1-0 (29)}) 5... Nxd2 6. Nxd2 Nc6 7. Ne2 Qg5 8. Ng3 Nxd4 9. O-O Qxd2 10. Qxd2 Bxd2 11. Rad1 Bb4 12. f4 f5 13. Ne2 Bc5 14. Kh1 Nxe2 {Gosling,D (1429)-Frith,D ICCF 2017 0-1 (31)}) (3. f4 Be7 4. Nf3 d5 5. e3 c5 6. Nc3 O-O 7. Be2 dxc4 8. Bxc4 Nc6 9. O-O cxd4 10. exd4 a6 11. a4 Qb6 12. Kh1 Bd7 13. b3 Rfd8 14. Be3 Rac8 {Kuptsov,A-Denisov,T (2121) ICCF 2014 0-1 (29)}) 3... b6 {[%csl Gb2,Gc3,Gd4,Ge3,Gf2,Gg7][%CAl Gd4e5,Gf6g7,Gf6g5, Ge5f4,Gc1g5,Gd4c5]} (3... Be7 4. Nf3 O-O 5. e4 b6 6. Bd3 Bb7 7. O-O h6 8. h3 Nh7 9. Be3 Ng5 10. Qe2 Nxf3+ 11. Qxf3 f5 12. Qg3 g5 13. f4 Kh8 14. Bd2 Nc6 15. d5 {Krag-Jacobsen,A (1753)-Roncea,I (1806) ICCF 2009 0-1 (34)}) 4. e4 (4. a3 Ba6 5. e4 d6 6. Nf3 Be7 7. Be2 O-O 8. O-O c5 9. e5 dxe5 10. dxe5 Nfd7 11. Bf4 Nc6 12. Qd3 f6 13. exf6 Nxf6 14. Qe3 Qc8 15. h3 Nd4 {Kurylo,R (2238)-Boreika,V (2222) ICCF 2013 1/2-1/2 (56)}) (4. Bg5 Bb7 (4... Be7 5. Nf3 Nc6 6. e3 Bb7 7. Bd3 d6 8. O-O a6 9. a3 O-O 10. b4 d5 11. c5 bxc5 12. bxc5 Rb8 13. Qa4 Qd7 14. Rfb1 Rfd8 15. Qc2 g6 16. Ra2 {Reed,H (1754)-Williams,R (1721) ICCF 2011 1-0 (58)}) 5. e3 h6 6. Bh4 Be7 7. f3 O-O 8. Bd3 c5 9. Nge2 Nc6 10. O-O cxd4 11. Nxd4 Nxd4 12. exd4 d5 13. b3 dxc4 14. Bxc4 Re8 15. Bf2 Bd6 {Cruz Lemus,U-Braak, J (1982) ICCF 2018 0-1 (51)}) (4. Qc2 d5 (4... Be7 5. d5 Bb7 6. e4 d6 7. Nf3 O-O 8. a3 c6 9. dxe6 fxe6 10. e5 dxe5 11. Bd3 Nbd7 12. Ng5 e4 13. Ncxe4 Nxe4 14. Nxe6 Qe8 15. Bxe4 Bb4+ 16. axb4 {de Sanjur,M-Hendra Atmada,R ICCF 2016 1-0 (26)}) 5. cxd5 Nxd5 6. Nxd5 exd5 7. Bd2 Be7 8. Nf3 Bg4 9. Ne5 Be6 10. e3 Bf6 11. Bb5+ Kf8 12. Rc1 Bxe5 13. dxe5 Nd7 14. Bxd7 Qxd7 15. Qc6 Qxc6 {Rice,R (1368)-Chugg,M (1406) ICCF 2016 1/2-1/2 (68)}) (4. e3 Bb7 5. f3 d5 6. cxd5 exd5 7. Bd3 c5 8. Nge2 Bd6 9. Kf2 O-O 10. h3 Nc6 11. a3 Qe7 12. Re1 Rfe8 13. Bd2 Rad8 14. Nf4 Bb8 15. g4 Qd6 {Jakobi,W (1599)-Gliga,R ICCF 2020 0-1}) 4... Bb7 ( 4... d5 5. cxd5 (5. e5 Ne4 6. Bd3 Bb7 7. Nf3 Nxc3 8. bxc3 dxc4 9. Bxc4 c5 10. Be3 cxd4 11. cxd4 Bb4+ 12. Kf1 O-O 13. Rc1 Nc6 14. Qb3 Be7 15. Bb5 Rc8 16. Ke2 a6 {Spencer,A (1630)-Cornes,C (1888) ICCF 2016 0-1 (26)}) 5... exd5 6. e5 Ne4 7. Bd3 c6 (7... Nxc3 8. bxc3 c5 9. Ne2 Be7 10. f4 f6 11. Ng3 cxd4 12. Qh5+ Kf8 13. cxd4 Nc6 14. O-O Nxd4 15. Bb2 {1-0 (15) Brewer,S (2382)-Rudenko,A (2054) ICCF 2011}) 8. Nxe4 dxe4 9. Bxe4 Bb4+ 10. Kf1 Be6 11. Nf3 Be7 12. Qc2 Bd5 13. Be3 Na6 14. a3 Nc7 15. Bxd5 Qxd5 16. Rc1 {Richardt,M (2139)-Walker,M ICCF 2014 1-0 (28)}) (4... Bb4 5. e5 (5. Bd3 d5 6. Qa4+ Nc6 7. cxd5 exd5 8. e5 Bxc3+ 9. bxc3 Ng8 10. Qxc6+ Bd7 11. Qxd5 Ne7 12. Qf3 O-O 13. Qh5 Ng6 14. Nf3 Bc6 15. Ng5 h6 16. Nxf7 Rxf7 {Fraser,B-Hayashi,K (1691) ICCF 2015 1-0}) 5... Ne4 6. Qg4 (6. Qc2 Bb7 7. a3 (7. Nf3 c5 8. dxc5 Nxc3 9. bxc3 Bxc5 10. Bd3 h6 11. Bf4 Bxf3 12. gxf3 Nc6 13. O-O-O Qc7 14. Rhe1 O-O-O 15. Bg3 h5 16. h4 d6 17. f4 g6 18. Re2 Ne7 {Harman,K (1685)-Raby,E (2013) ICCF 2017 0-1 (28)}) 7... Bxc3+ 8. bxc3 O-O 9. Nf3 f6 10. Bd3 d5 11. O-O c5 12. cxd5 exd5 13. c4 cxd4 14. cxd5 f5 15. d6 Nd7 16. e6 Nxd6 17. exd7 Qxd7 {Boldocki,M-Kalapos,K ICCF 2009 1-0 (28)}) (6. a3 Bxc3+ 7. bxc3 Qh4 8. g3 Nxg3 9. fxg3 Qe4+ 10. Kf2 Qxh1 11. Bg2 (11. Nf3 Bb7 12. d5 exd5 13. Qe2 {1-0 (13) Sitorus,Y-Cornes,C (1899) ICCF 2015}) 11... Qxh2 12. Qg4 Bb7 13. Nf3 Bxf3 14. Qxf3 Nc6 15. Bg5 h6 16. Be3 f5 17. Rh1 Qxh1 {Voveris, G (2423)-Boreika,V (2039) ICCF 2018 1-0 (29)}) 6... Nxc3 7. a3 Bf8 (7... Na2+ 8. axb4 Nxc1 9. Qxg7 Rf8 10. Rxc1 Qe7 11. c5 Nc6 12. Nf3 Nxb4 13. Ng5 f5 14. Qh6 Kd8 15. h4 Bb7 16. Rh3 Rh8 17. Rg3 Bc6 18. Nh3 Kc8 19. Rg7 {Voveris,G (2237)-Shvets,G (1972) ICCF 2015 1-0 (44)}) 8. Bg5 Be7 9. Bxe7 Qxe7 10. Qxg7 Qf8 11. Qxf8+ Rxf8 12. bxc3 Bb7 13. f4 c5 14. Rd1 Nc6 15. Nf3 f6 16. Be2 { Tudor,V (2162)-Kurpnieks,V (2162) ICCF 2013 1/2-1/2}) (4... d6 5. Bd3 Bd7 6. e5 Bc6 7. exf6 Qxf6 8. d5 exd5 9. cxd5 Bb7 10. Bb5+ c6 11. dxc6 Nxc6 12. Nf3 O-O-O 13. Qa4 Qe6+ 14. Ne2 d5 15. Bf4 f6 16. Rc1 {Belanoff,S (2231)-Lamy,O (1614) ICCF 2018 1-0}) (4... Nxe4 5. Nxe4 Bb7 6. Nc3 Qf6 7. Nh3 Nc6 8. Be3 Nxd4 9. Qxd4 Qf5 10. f3 O-O-O 11. O-O-O f6 12. Nb5 a6 13. Nxc7 Bc5 14. Qf4 Bxe3+ 15. Qxe3 Kxc7 16. Qf4+ {Walter,M (1821)-Risdon,A (1867) ICCF 2010 1-0}) (4... Be7 5. Bd3 h6 6. Nf3 c6 7. e5 Nh7 8. O-O Na6 9. a3 Bb7 10. Ne4 d5 11. cxd5 Qxd5 12. Qe2 Nc7 13. Nd6+ Bxd6 14. Bc4 Ba6 15. Bxd5 Be7 16. Bxc6+ {Jordaan,W (2118) -Lakbur,L ICCF 2019 1-0 (25)}) 5. Bd3 (5. f3 d6 (5... Bb4 6. Nge2 O-O 7. a3 (7. Be3 d5 8. cxd5 exd5 9. e5 Nfd7 10. f4 c5 11. a3 Bxc3+ 12. bxc3 Qe8 13. g3 Nc6 14. Bg2 Na5 15. O-O Nc4 16. Bf2 f6 17. dxc5 fxe5 18. Bxd5+ Bxd5 {Kurbasov,S (2188)-Khrolenko,V (1977) ICCF 2015 1/2-1/2 (79)}) 7... Be7 (7... Bxc3+ 8. Nxc3 Re8 (8... d5 9. e5 Nh5 10. Be3 f6 11. cxd5 fxe5 12. dxe6 a6 13. Qb3 Kh8 14. d5 b5 15. Rd1 Nf4 16. Bc5 Rg8 17. g3 Qf6 18. Ne4 Qh6 19. gxf4 Qh4+ 20. Bf2 { Evans,G (2397)-Williams,R (1630) ICCF 2011 1-0 (30)}) 9. e5 Nh5 10. Be3 Nc6 11. Be2 d6 12. f4 dxe5 13. fxe5 Qd7 {0-1 (13) Guerassimov,A-Krause,V ICCF 2008}) 8. Be3 c6 9. Ng3 d5 10. e5 Ne8 11. cxd5 cxd5 12. Bd3 g6 13. O-O Ng7 14. Rc1 Nc6 15. b4 a5 16. b5 Nxe5 17. dxe5 {Balcazar Novoa,L (2153)-González,M (2175) ICCF 2017 1/2-1/2 (31)}) (5... d5 6. cxd5 exd5 7. e5 Nfd7 8. f4 c5 9. Nf3 cxd4 10. Nxd4 Nc6 11. Nf3 Ne7 12. Bd3 a6 13. O-O Nc5 14. f5 Nxd3 15. Qxd3 Qd7 16. Nd4 Nc6 17. e6 {Tripp,G (1831)-Frydendal,O (1774) ICCF 2012 1-0}) (5... Be7 6. e5 (6. Bd3 O-O 7. Nge2 d5 8. cxd5 exd5 9. e5 Ne8 10. Qc2 h6 11. O-O c5 12. f4 Nc6 13. Be3 Nb4 14. Qd1 Nxd3 15. Qxd3 f5 16. g4 g6 17. gxf5 gxf5 {Das,S (2267) -Heilala,T (2299) ICCF 2018 1/2-1/2 (31)}) 6... Ng8 7. Be3 d6 8. exd6 cxd6 9. Bd3 Nf6 10. Nge2 d5 11. O-O dxc4 12. Bxc4 O-O 13. Qd3 a6 14. a3 b5 15. Bb3 Nbd7 16. Rfd1 h6 17. Rac1 {Bas Fortuny,M (1683)-Broniek,M (2445) ICCF 2021 0-1 (29)} ) 6. Be3 (6. Bd3 Be7 (6... Nbd7 7. Nge2 Be7 8. O-O O-O 9. b3 Re8 10. Bf4 c5 11. d5 a6 12. Qd2 Ne5 13. Bxe5 dxe5 14. Ng3 Nd7 15. a4 Bg5 16. Qf2 Qc7 17. Ra2 Nf8 18. a5 {Lie,T-Andreassen,E (2343) ICCF 2005 0-1 (61)}) 7. Nge2 O-O 8. O-O Nc6 9. a3 Rc8 10. Be3 a5 11. Qc2 Qd7 12. Rfd1 Kh8 13. b3 h5 14. e5 dxe5 15. dxe5 Nxe5 16. Be4 Bxe4 17. Nxe4 Qe8 {Pavanello,D-Weggen,R (1848) ICCF 2013 0-1}) 6... Be7 (6... e5 7. Nge2 Nbd7 8. Qd2 h5 9. O-O-O Be7 10. Kb1 c6 11. Rg1 g6 12. h3 h4 13. f4 Qb8 14. g4 hxg3 15. Bg2 exf4 16. Nxf4 b5 17. cxb5 cxb5 18. Qd3 { Chocenka,D (2407)-Kurylo,R (2303) ICCF 2010 1-0 (28)}) 7. Bd3 (7. Nge2 Nbd7 8. Qd2 c5 9. O-O-O O-O 10. Kb1 cxd4 11. Nxd4 Ne5 12. Be2 a6 13. g4 Qc7 14. g5 Nfd7 15. b3 Rfc8 16. f4 Nc6 17. Nxc6 Bxc6 18. Rhg1 b5 {Moori,H (1706)-Molzahn,N (2342) ICCF 2007 0-1 (25)}) 7... O-O 8. Nge2 Nbd7 9. O-O c5 10. d5 Ne5 11. b3 exd5 12. exd5 Re8 13. Ng3 Nxd3 14. Qxd3 Nd7 15. Bf4 Bf6 16. Qd2 Bd4+ {Misiunas, A (2270)-Boreika,V (2132) ICCF 2017 1-0 (54)}) (5. Bg5 Be7 6. Bd3 (6. Bxf6 Bxf6 7. e5 Be7 8. a3 d6 9. Nf3 dxe5 10. dxe5 Qxd1+ 11. Rxd1 Nd7 12. Be2 O-O-O 13. O-O g5 14. Rfe1 g4 15. Nd4 Nxe5 16. b4 c5 17. Nc2 h5 {Calvo Muro,R (1632) -Kolkman,C (1845) ICCF 2015 0-1}) (6. e5 O-O 7. exf6 Bxf6 8. Be3 d6 9. Nf3 Nd7 10. Be2 h6 11. O-O e5 12. d5 Be7 13. Qd2 Nf6 14. Bd3 Nh7 15. Bxh6 gxh6 16. Qxh6 Bg5 17. Qxh7# {1-0 (17) Wright,D (1618)-Strobehn,A (1401) ICCF 2015}) 6... O-O 7. Nf3 d5 8. e5 Ne4 9. Bxe7 Qxe7 10. O-O Nd7 11. cxd5 exd5 12. Re1 Nxc3 13. bxc3 c5 14. h4 h6 15. h5 Rfe8 16. Qe2 c4 {Gomez,C-Riddell,R (1331) ICCF 2020 1-0 (27)}) (5. Qc2 a6 (5... h6 6. e5 Nh7 7. Be3 Be7 8. O-O-O d5 9. cxd5 exd5 10. f4 f6 11. Be2 fxe5 12. Qg6+ Kd7 13. Bg4# {1-0 (13) Seitz,B-Mauritz,R ICCF 2015}) (5... d5 6. cxd5 exd5 7. e5 Nfd7 8. Nf3 Be7 9. Be2 c5 10. O-O cxd4 11. Nb5 Nc6 12. Bf4 O-O 13. Nbxd4 Nxd4 14. Nxd4 Nc5 15. Rac1 Ne6 16. Be3 Rc8 17. Qb3 {Puertas Covarrubias,F (1970)-Lobo,A (1901) ICCF 2016 0-1 (68)}) 6. e5 Ng8 7. Nf3 Bb4 8. Be2 Ne7 9. O-O d5 10. cxd5 Nxd5 11. Bd3 Be7 12. Be4 h6 13. Be3 Ra7 14. Rac1 O-O 15. Rfd1 Nxe3 16. fxe3 Bxe4 {Kolanek,R (2217)-Bartsch,R (2323) ICCF 2020 1-0 (49)}) 5... Bb4 (5... Nc6 6. Nf3 (6. Nge2 Bb4 7. O-O O-O 8. a3 Bxc3 9. bxc3 h6 10. Ng3 d6 11. f4 e5 12. d5 Nb8 13. f5 Nbd7 14. Be3 Rb8 15. a4 Nc5 16. Bxc5 bxc5 17. a5 Ba6 {Morton,P (1581)-Crawshaw,R (1734) ICCF 2017 1-0 (40)}) 6... Bb4 (6... Be7 7. e5 Ng4 8. h3 Nh6 9. d5 exd5 10. cxd5 Nb4 11. Be4 d6 12. Qa4+ Qd7 13. Qxb4 dxe5 14. Qc4 O-O 15. O-O Bd6 16. Bxh6 gxh6 17. Nh4 Kh8 18. Nf5 {Calkins,D (1860)-Britnell,C ICCF 2018 1-0 (26)}) 7. Qc2 d6 8. O-O e5 9. d5 Nd4 10. Nxd4 exd4 11. Ne2 c5 12. dxc6 Bxc6 13. Nxd4 Bb7 14. Qa4+ Qd7 15. Qxb4 O-O 16. f3 Rfe8 17. Bg5 {Fox,J (1567)-Britnell,C ICCF 2018 1-0 (35)}) ( 5... d6 6. Nge2 (6. Nf3 Be7 (6... c5 7. d5 Be7 8. O-O O-O 9. Qc2 Na6 (9... h6 10. Bf4 e5 11. Be3 Nbd7 12. h3 a6 13. Ne2 Nh5 14. Qd2 Qc7 15. a4 Rfb8 16. a5 bxa5 17. Qxa5 Qxa5 18. Rxa5 Bc8 19. Ra2 Nf8 20. Bc2 Ng6 21. Bd2 {Schyndel,A (2256)-Nechaev,A (2185) ICCF 2011 1-0 (59)}) 10. a3 Nc7 11. Rb1 Rc8 12. Rd1 e5 13. Nh4 Rb8 14. Nf5 Bc8 15. Nxe7+ Qxe7 16. b4 Bd7 17. Be2 Rfc8 18. Qd3 { Zebre,P (2331)-Popelka,M (2127) ICCF 2005 1-0 (31)}) (6... g6 7. h3 c5 8. d5 Bg7 9. O-O O-O 10. Bg5 Qc7 11. Qd2 Nbd7 12. a4 a6 13. b3 Rae8 14. Rad1 e5 15. g3 Bc8 16. Nh4 Kh8 17. Be3 Ng8 18. Kh2 {Siefring,C (2495)-Mayer,R (2500) ICCF 2020 1-0 (46)}) 7. O-O Nbd7 (7... c6 8. Qe2 O-O 9. Rd1 Nbd7 10. e5 dxe5 11. dxe5 Ne8 12. Qe4 g6 13. Bh6 Ng7 14. Bc2 Re8 15. Bxg7 Kxg7 16. h4 h5 17. Ne2 Qc7 18. Nf4 c5 19. Nxh5+ {Huguet Reina,C (1761)-Reyes Cortés,R (1535) ICCF 2013 1-0 (28)}) (7... O-O 8. Qe2 (8. Qc2 g6 9. a3 c5 10. b4 cxd4 11. Nxd4 e5 12. Nf3 Nbd7 13. Bb2 a6 14. h3 Nh5 15. Nd5 Bxd5 16. exd5 f5 17. Nd2 Nf4 18. Rfe1 Nxd3 19. Qxd3 e4 {Bernardara,E-Bellisario,C (1352) ICCF 2019 0-1 (52)}) 8... Nbd7 9. b3 e5 10. d5 Nc5 11. Bc2 a5 12. h3 Qd7 13. Be3 Ba6 14. a3 Bb7 15. b4 axb4 16. axb4 Na6 17. Ba4 Qc8 18. Qb2 Nh5 19. Bc6 {Mas Soler,A-Reyes Cortés,R (1592) ICCF 2013 1-0 (34)}) 8. Bf4 c5 9. e5 cxd4 10. exf6 Bxf6 11. Ne4 Ne5 12. Nxd4 O-O 13. Nb5 Nxd3 14. Qxd3 Bxe4 15. Qxe4 d5 16. cxd5 exd5 17. Qd3 Bxb2 {Boles,R (1955)-Prickett,D (1922) ICCF 2012 1-0}) (6. Bf4 Be7 7. Nf3 O-O 8. Qe2 Nbd7 9. O-O-O c5 10. h3 cxd4 11. Nxd4 e5 12. Be3 exd4 13. Bxd4 Ne5 14. Bc2 Qc7 15. g4 Qxc4 16. Qxc4 Nxc4 17. f3 d5 {Schuttenhelm,L (1697)-Kolkman,C (1845) ICCF 2015 0-1 (32)}) 6... Be7 (6... g6 7. f3 c5 8. d5 Bg7 9. O-O exd5 10. exd5 O-O 11. Bg5 h6 12. Be3 Nbd7 13. b3 Kh7 14. Qd2 Re8 15. Rae1 a6 16. a4 Bc8 17. Bc2 Ra7 18. h3 {Schaub,J (2264)-Ploscaru,S (2208) ICCF 2018 1-0 (50)}) 7. O-O e5 8. f3 O-O 9. Be3 exd4 10. Nxd4 g6 11. Nd5 Nxd5 12. cxd5 c5 13. dxc6 Nxc6 14. Ba6 Bxa6 15. Nxc6 Qc7 16. Nxe7+ Qxe7 17. Re1 {Lupini,S (2392)-Gutiérrez Dopino,J (2310) ICCF 2019 1-0 (63)}) (5... Bxe4 6. Nxe4 Nxe4 7. Bxe4 Bb4+ 8. Kf1 c6 9. Qg4 g6 10. a3 f5 11. Qg3 Be7 12. Bd3 Bh4 13. Qf3 O-O 14. Ne2 Na6 15. Bh6 Re8 16. g3 Bf6 17. g4 {Kirillov,S (2068)-Banshchikov,V (2055) ICCF 2013 1-0 (47)}) 6. Qe2 (6. f3 c5 (6... O-O 7. Bd2 (7. Nge2 d6 8. a3 (8. O-O Bxc3 (8... e5 9. Nd5 Nxd5 10. exd5 exd4 11. Nxd4 Bc5 12. Be3 Re8 13. Bf2 Qf6 14. Bc2 Nd7 15. Qd3 g6 16. Nb5 Bxf2+ 17. Rxf2 Ne5 18. Qb3 Re7 19. a4 a5 20. Rd1 {Mollamustafaoglu,O (1691) -Pibernik,D (1730) ICCF 2015 1/2-1/2 (41)}) 9. Nxc3 e5 10. d5 a5 11. Bg5 h6 12. Bh4 g5 13. Bf2 Na6 14. a3 Qe7 15. Qd2 Nc5 16. Bc2 Ba6 17. Nb5 Bxb5 18. cxb5 Nb7 19. b4 a4 {Huguet Reina,C (1761)-Santamaría Quintana,I (1331) ICCF 2013 1-0 (32)}) 8... Bxc3+ 9. Nxc3 h6 10. O-O c5 11. d5 Nbd7 12. f4 e5 13. f5 Kh7 14. Re1 Ne8 15. Re3 Rg8 16. Qh5 Qe7 17. Rh3 Nef6 18. Qh4 Qf8 {Znuderl,M (2121) -Cesaro,M (1971) ICCF 2010 1-0 (28)}) 7... d6 8. a3 Bxc3 9. Bxc3 Nbd7 10. Ne2 c5 11. d5 Ne5 12. O-O Nxd3 13. Qxd3 Ba6 14. b4 exd5 15. b5 dxc4 16. Qxc4 Bb7 17. Rad1 a6 18. a4 {Takahashi,Y (1446)-O'Brien,G (1613) ICCF 2019 1/2-1/2 (55)} ) (6... Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. a4 O-O 10. O-O Nc6 11. Bg5 h6 12. Bh4 g5 13. Bf2 Nh5 14. g3 Bc8 15. Be3 Qe7 16. Qd2 Na5 17. Rad1 Be6 18. Qa2 {Saule,Z (2160)-Molzahn,N (2342) ICCF 2007 1/2-1/2 (25)}) 7. d5 (7. a3 Ba5 8. d5 b5 9. Bg5 bxc4 10. Bxc4 exd5 11. exd5 O-O 12. Nge2 Ba6 13. Bxa6 Nxa6 14. O-O c4 15. Qa4 Qb6+ 16. Kh1 Bxc3 17. Nxc3 Rac8 18. Bxf6 Qxf6 {Benlloch Guirau,A (2397) -Shaw,S (2358) ICCF 2007 1-0 (40)}) 7... Bxc3+ (7... Qe7 8. Be2 d6 9. Bd2 O-O 10. Nh3 exd5 11. cxd5 Nbd7 12. a3 Ba5 13. Qa4 Bxc3 14. Bxc3 a6 15. Qc2 Rfe8 16. Nf4 b5 17. Qd2 h6 18. h4 Ne5 19. O-O {Sisák,R (1842)-Kolkman,C (1869) ICCF 2016 1-0 (55)}) 8. bxc3 d6 (8... Qe7 9. Ne2 d6 10. O-O O-O 11. Bg5 h6 12. Bh4 g5 13. Be1 Nbd7 14. f4 Nh5 15. Bd2 Rae8 16. a4 f6 17. a5 e5 18. g3 gxf4 19. Nxf4 Nxf4 20. gxf4 {Kucherov,D (2253)-Cubides,A (2232) ICCF 2017 1-0 (60)}) 9. Ne2 Nbd7 (9... O-O 10. O-O Nbd7 11. f4 exd5 12. exd5 Re8 13. Ng3 b5 14. cxb5 Nxd5 15. Bd2 N7f6 16. c4 Nb6 17. Qc2 d5 18. cxd5 Nbxd5 19. Rad1 c4 20. Bxc4 Qb6+ 21. Kh1 {Hughes,G (1750)-Mantu,E (1729) ICCF 2015 0-1}) 10. O-O Ne5 11. Ng3 Nxd3 (11... O-O 12. Be2 Re8 (12... Qe7 13. Qc2 Ba6 14. Qa4 Bb7 15. Bd2 Ng6 16. Qc2 Rab8 17. a4 a5 18. Rab1 Ba6 19. Bg5 h6 20. Bxf6 Qxf6 21. Nh5 Qe7 22. f4 Nh4 23. g3 g6 24. f5 {Muzas,K (2161)-Bieszk,S (1816) ICCF 2016 1-0 (60)}) 13. Qc2 Ba6 14. Qa4 Bb7 15. Qd1 Rb8 16. f4 Ned7 17. a4 exd5 18. exd5 Bc8 19. Bd3 Rb7 20. h3 h6 21. Rf2 Nf8 22. Rfa2 Rbe7 23. Bd2 {Scharf,N (2203)-Hernáez Fernández,C (2331) ICCF 2015 0-1 (54)}) 12. Qxd3 O-O 13. Rd1 Ba6 14. dxe6 fxe6 15. Qxd6 Qxd6 16. Rxd6 Bxc4 17. Bg5 Rad8 {Alexandre Bisquert,F (2194)-Hernáez Fernández,C (2314) ICCF 2014 0-1 (32)}) (6. a3 Bxc3+ 7. bxc3 Bxe4 8. Bxe4 Nxe4 9. Qf3 d5 10. cxd5 exd5 11. Ne2 O-O 12. O-O Re8 {0-1 (12) Martínez Muñoz,J (1742)-Hernández Delgado,J (1952) ICCF 2018}) (6. Bg5 h6 7. Bxf6 Qxf6 8. Nge2 c5 9. d5 O-O 10. O-O Bxc3 11. Nxc3 Na6 12. f4 Qd4+ 13. Rf2 Nb4 14. Bf1 Qxd1 15. Rxd1 Na6 16. Nb5 Rfd8 17. e5 exd5 {Maurya,S-Hartono,E (1833) ICCF 2019 1-0 (34) }) (6. Qf3 d5 7. e5 Ne4 8. Bc2 c5 9. dxc5 bxc5 10. Nge2 Nd7 11. Bf4 Qa5 12. O-O Bxc3 13. Nxc3 O-O-O 14. Nxe4 dxe4 15. Bxe4 Bxe4 16. Qxe4 Nb6 17. Qc6+ Kb8 { Secondi,A (1555)-Mayes,F (1616) ICCF 2013 1/2-1/2}) 6... c5 (6... d6 7. Nf3 Nbd7 8. Bd2 e5 9. O-O O-O 10. a3 Bxc3 11. Bxc3 exd4 12. Nxd4 Nc5 13. f3 Nxd3 14. Qxd3 Nd7 15. Nf5 f6 16. b4 Ne5 17. Qe2 Qe8 18. Ne3 {Gacnik,L (2129)-Leiner, R (2389) ICCF 2011 0-1 (58)}) (6... O-O 7. Nf3 d6 8. O-O Bxc3 9. bxc3 Nbd7 10. h3 Re8 11. Bg5 h6 12. Bh4 e5 13. d5 Nf8 14. Nd2 Ng6 15. Bg3 Nd7 16. Bc2 Qf6 17. Ba4 Re7 18. Qf3 {Silfver,T (2024)-Richter,W (2540) ICCF 2008 1/2-1/2 (49)}) 7. a3 Ba5 8. Nf3 (8. d5 O-O 9. Qc2 b5 10. b3 bxc4 11. bxc4 d6 12. Nge2 Nbd7 13. O-O Ba6 14. Bg5 h6 15. Bh4 Rb8 16. f4 Qc7 17. Rab1 Rxb1 18. Rxb1 Rb8 19. Rxb8+ Qxb8 {Boreisis,V (1928)-Kurpnieks,V (2170) ICCF 2013 1/2-1/2 (33)}) 8... cxd4 9. Nxd4 Bxc3+ 10. bxc3 d6 11. O-O Nbd7 12. Rd1 (12. Bg5 O-O 13. f4 Qc7 14. Rae1 e5 15. fxe5 dxe5 16. Nf5 Kh8 17. Qf3 Ng8 18. Qg4 g6 19. Ne3 Nc5 20. Bc2 Qc6 21. Nd5 Ne6 22. Rf6 Qxc4 23. Rxe6 Bxd5 {Werner,G (2084)-Leite,D (2321) ICCF 2013 0-1 (25)}) 12... a6 13. a4 (13. f3 Qc7 14. Qb2 Nc5 15. Be2 O-O 16. Be3 Rab8 17. a4 Nfd7 18. Qa3 Bc6 19. a5 Ba4 20. axb6 Qxb6 21. Rd2 Qc7 22. Rda2 Rb7 23. Bf1 Rc8 24. Rb2 Rxb2 {Justesen,A (1930)-Kurylo,R (2252) ICCF 2011 1/2-1/2 (48)}) 13... O-O 14. f3 Qc7 15. a5 bxa5 16. Nb3 Qb6+ 17. Be3 Qxb3 18. Qd2 a4 19. Rdb1 a5 20. Bf1 Nxe4 21. fxe4 Bxe4 22. Rxb3 axb3 23. Bd3 Bxd3 24. Qxd3 a4 25. Bc1 Ra6 26. Ba3 Nc5 27. Qd4 h6 28. Kf1 Rb8 29. Rb1 Rc8 30. Ke2 Rac6 31. Rf1 f6 32. g4 Nd7 33. h4 {1-0 (33) Napalkov,V (2466)-Bester,B (2408) ICCF 2011} *