[Event "B43"] [Site "?"] [Date "2021.06.15"] [Round "?"] [White "5Bd3 5..Nc6!? 7Nd2"] [Black "lines"] [Result "*"] [ECO "B42"] [Annotator "thechesscorner,@gmail.com"] [PlyCount "30"] [SourceVersionDate "2021.06.15"] {[%evp 0,30,26,14,37,47,44,40,19,37,76,36,45,43,39,16,50,63,56,42,54,38,40,14, 14,9,11,9,20,22,30,28,24]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 dxc6 7. Nd2 (7. Bf4 Qf6 8. Be3 e5 9. Nd2 Be6 10. Qe2 Bd6 11. a4 Qe7 12. a5 Nf6) (7. f4 e5) (7. O-O e5 8. a4 (8. Nd2 Nf6 9. Nc4 {see main line}) 8... Nf6 9. a5 Be6 10. Qe2 Bc5 11. Be3 Bxe3 12. Qxe3 O-O 13. Nd2 Qc7 14. h3 Rad8) ( 7. c4 $6 e5 8. O-O Bc5 $1 $15) (7. Nc3 $6 e5 8. O-O Nf6 9. Kh1 Bc5 10. f3 (10. Bg5 h6 11. Bh4 g5 12. Bg3 Qe7 13. Qe2 h5 $1 14. f3 h4 15. Bf2 Nh5 16. Rfe1 Ng3+ 17. Bxg3 hxg3 18. h3 Bxh3 {0-1 (18) Muratovic,A (2385)-Solak,D (2365) Kladovo 1996}) (10. f4 Ng4 $1) 10... h5 11. Qe2 h4 12. Be3 Nh5 $1 13. Bxc5 Ng3+ 14. Kg1 Nxe2+ 15. Bxe2 Qg5 16. Rfe1 Bh3 17. Bf1 Bxg2 18. Be3 Qg6 19. Bxg2 h3 20. Re2 O-O-O {0-1 (20) Fournier,C (2120)-Miezis,N (2483) Condom 2002}) 7... e5 8. Nc4 (8. Qh5 Bd6 9. Nc4 Nf6 10. Nxd6+ Qxd6 11. Qh4) 8... Nf6 9. O-O Qc7 10. a4 (10. Bd2 $5 b5 11. Ba5 Qb8 12. Nb6 Ra7 13. Nxc8 Qxc8 14. a4 Qb8 15. axb5 axb5 16. Bc3 Bc5 {0-1 (40) Handke,F (2405)-Miezis,N (2596) Andorra 2001}) (10. Be3 $5 Be6 (10... Nd7 11. a4 (11. f4 $5 b5 12. Nxe5 Nxe5 13. fxe5 Qxe5 14. Qf3 Be6 15. Bf4 Qc5+) 11... b5) 11. Bb6 Qb8 12. a4 {white scores well here}) 10... Be6 11. Qe2 (11. Qf3) 11... Bc5 12. a5 (12. Kh1 $5 O-O 13. f4 Bxc4 14. Bxc4 exf4 15. Bxf4) 12... O-O (12... Bxc4 $5 13. Bxc4 O-O-O (13... h6 $5 14. c3 O-O-O 15. b4 Ba7) (13... Bb4 14. Bg5 Ng8 15. f4 f6 {1-0 (26) Leko,P (2691)-Quparadze,G (2506) Riadh 2017} 16. Bh4 exf4 17. Bxg8 Bc5+ 18. Kh1 g5 19. Be1 Rxg8 20. Qc4) 14. Bg5 Qe7 15. b4 Ba7) 13. Bg5 Nd7 14. c3 Rfe8 15. Rfd1 h6 {Miezis} (15... Be7 16. Be3 Bc5 17. b4 Bxe3 18. Qxe3 Rad8 19. f3 g6 {1/2-1/2 (70) Quesada Perez,Y (2603)-Neiksans,A (2485) Balaguer 2010}) * [Event "B43"] [Site "?"] [Date "2021.06.15"] [Round "?"] [White "5 Bd3 Nc6"] [Black "6th misc moves"] [Result "*"] [ECO "B42"] [Annotator "thechesscorner,@gmail.com"] [PlyCount "20"] [SourceVersionDate "2021.06.15"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Be3 (6. Nf3 Bc5 7. O-O d6 8. c4 (8. Nc3 Nge7 9. Qe2 Ng6 10. Be3 Bxe3 11. Qxe3 b5 12. Rfd1 O-O 13. Be2 Qc7 14. Rd2 Bb7 15. Rad1 Rfd8 {Hillarp-Persson}) 8... Nge7 (8... Nf6 9. Nc3 O-O 10. h3 (10. Bf4 Ng4 11. Rc1 Nge5 12. a3 Qf6 {Chandler}) 10... Nd7) 9. Qe2 O-O 10. Nc3 e5 11. h3 Be6 12. Be3 Ng6 {0-1 (55) Narva,M (2252)-Kveinys,A (2486) Viljandi 2015}) (6. c3 e5 7. Nf5 d5 8. exd5 Qxd5 9. Ne3 Qd8) (6. Nb3 Nf6 7. O-O Be7 8. Nc3 (8. c4 d5 9. cxd5 exd5 10. exd5 Nxd5 11. Qe2 O-O 12. Rd1 Be6 13. Be4 Bf6 14. Nc5 Nd4 {0-1 (62) Xu,Y (2505)-Cramling,P (2484) Shenyang 2000}) 8... O-O 9. f4 d6 {[#] Hedgehog with knight on b3} 10. Qf3 $5 (10. Kh1 Bd7 11. Bd2 Rc8 {Goryachkina}) (10. Qe2 Qc7 11. Bd2 b5 12. Rae1 b4 13. Nd1 e5 14. Ne3 exf4 15. Rxf4 a5 16. Kh1 Rb8 17. c3 Qa7 {0-1 (71) Zapata,A (2490)-Polgar,J (2555) New York 1989}) 10... Nb4 $1 11. Bd2 (11. e5) 11... Nxd3 12. cxd3 Nd7 13. Kh1 b5 14. d4 Bb7 15. f5 Nf6 {1/2-1/2 (47) Tissir,M (2387)-Demchenko,A (2679) St Petersburg 2018} 16. a3 Rc8 17. Rae1 Qd7 18. fxe6 fxe6 19. Qh3) 6... Nf6 7. O-O (7. Nc3 d5) 7... e5 $1 8. Nf3 (8. Nxc6 dxc6 9. h3 Bd6 10. a4 O-O 11. Nd2 Be6 12. a5 Qe7 13. Bc4 Bc5 14. Bxc5 Qxc5 15. Bxe6 fxe6 16. Nb3 Qb4 {0-1 (88) Sipila,V (2365)-Miezis,N (2416) Finland 2018}) (8. Nb3 d5 9. exd5 Nxd5 $15) (8. Nf5 g6) 8... d5 9. exd5 Nxd5 10. Qe2 Be7 * [Event "B43"] [Site "?"] [Date "2021.06.15"] [Round "?"] [White "6Bd3 Qc7"] [Black "WPlans with c4 or Nc3"] [Result "*"] [ECO "B42"] [Annotator "thechesscorner,@gmail.com"] [PlyCount "125"] [SourceVersionDate "2021.06.15"] {[%evp 0,87,25,36,53,39,37,43,35,26,63,50,80,62,53,39,51,36,31,30,32,18,12,21, 19,15,29,25,-3,0,0,8,22,13,19,-46,-46,-77,-39,0,0,0,0,-225,-164,-154,11,-13,0, 0,0,0,0,0,0,0,0,0,27,27,0,0,20,0,0,0,74,58,91,77,108,118,104,114,224,165,168, 169,261,113,145,150,98,165,178,162,162,119,239,228]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 (7. Nc3 Bc5 8. Nb3 Ba7 (8... Be7 9. f4 (9. Qe2 d6 10. a4 b6 11. f4 Nbd7 12. Bd2 Bb7 13. Rae1 h5 14. Kh1 (14. f5 $1) 14... g6 15. Nd4 h4 16. Nf3 h3 17. g3 Nc5 18. Kg1 Rc8 19. b4 Nxd3 20. cxd3 Qd7 21. Rc1 O-O 22. d4 Rxc3 23. Bxc3 Nxe4 24. Bb2 Bf6 {0-1 (41) Garcia Pantoja, R (2732)-Hansen,E (2920) Chess.com INT 2020}) 9... d6 10. Qe2 Nc6 11. Bd2 b5 12. Rae1 b4 13. Nd1 Bb7 14. Nf2 a5 15. c3 e5 16. c4 (16. cxb4 axb4 17. fxe5 ( 17. Rc1 Rxa2 18. fxe5 dxe5 19. Be3 O-O 20. Bb5 Raa8) 17... dxe5 18. Ng4 O-O 19. Nxf6+ Bxf6 20. Rxf6 gxf6 21. Qf2 Qd6 22. Bc4 Rfd8 23. Bh6 f5) 16... a4 17. Nc1 exf4 18. Bxf4 O-O 19. b3 axb3 20. axb3 Rfe8 21. Kh1 Nd7 22. Ng4 Nce5 {0-1 (42) Fedorov,A (2614)-Svidler,P (2743) Turin 2006}) 9. Kh1 Nc6 10. f4 d6 11. Qe2 ( 11. Bd2 Bd7 12. a4 h5 13. Qe2 h4 14. Rae1 Qd8 15. Be3 Nh5 {1-0 (43) Carlsen,M (2862)-Firouzja,A (2749) Lichess.org INT 2021}) 11... h5 12. Be3 Bxe3 13. Qxe3 Bd7 14. Rae1 O-O-O 15. Na4 Kb8 16. Nb6 Be8 17. c4 h4 18. Rc1 h3 19. g3 Ng4 { 0-1 (34) Kadric,D (2543)-Caruana,F (2827) Batumi 2018}) (7. c4 Nc6 $5 8. Nxc6 dxc6) 7... d6 (7... h5 $5 8. h3 Bc5 9. Nb3 Ba7 10. Be3 (10. e5 Nd5 11. c4) 10... Nc6 11. Bxa7 Rxa7 12. f4 d6 13. Nc3 b5 14. Rae1 b4 15. Nd1 e5 16. f5 a5 17. Qf2 Ne7 18. Ne3 Bd7 19. Nc4 a4 20. Nbd2 Rb7 21. b3 Bc6 22. Re2 Nc8 23. Rc1 Na7 24. bxa4 Bxa4 25. c3 bxc3 26. Rxc3 Ke7 27. Nf3 Rc8 28. Rb2 Rcb8 {0-1 (67) Stubberud,O (2202)-Miezis,N (2527) Gausdal 2006}) (7... Nc6 8. Nxc6 bxc6 9. e5 $1 Nd5 10. a3) (7... Bc5 8. Nb3 (8. Nf3 Nc6) 8... Be7 9. c4 d6 10. Nc3 b6 11. Bd2 Nbd7 12. f4 Bb7 13. Rae1 Rd8 (13... O-O 14. e5 dxe5 15. fxe5 Ne8 16. Bf4 g6 17. Be4 Ng7 18. Bxb7 Qxb7 19. Ne4 Rac8 20. Bg5 Bxg5 21. Nxg5 b5 22. c5 Qc7 23. Ne4 Ne8 24. Nd6 Nxd6 25. exd6 Qa7 26. Qf2 {1-0 (44) Akopian,V (2685)-Gajewski, G (2616) Moscow 2012}) 14. Rf3 (14. g4 Nc5 15. Bc2 Nxb3 16. axb3 h6 17. g5 hxg5 18. fxg5 Nd7 19. g6 fxg6 20. Qg4 Qc5+ 21. Rf2 Ne5 22. Qxe6 Bc8 23. Qd5 Nf3+ 24. Kf1 Nxh2+ 25. Kg2 Bh3+ {0-1 (25) Schmit,V (2171)-Nikolov,M (2539) Noisiel 2020} ) 14... O-O 15. Rh3 g6 16. Kh1 h5 17. Nd4 Ng4 18. Rf1 Nc5 19. Bb1 Bf6 20. Nf3 Qc6 21. b4 (21. f5 $1 Bxc3 22. Bxc3 exf5 23. Nd4 Qe8 24. Nxf5 f6 25. Ng3 Rf7) 21... Bxc3 22. Bxc3 Nxe4 23. Ba1 $2 (23. Nd4 Nxc3 24. Rxc3 Qe8) 23... b5 24. Qb2 e5 25. Bxe4 Qxe4 26. cxb5 Qxf4 27. bxa6 Bxa6 28. Re1 Rc8 29. Rh4 Bd3 30. Qb3 Rc1 31. Bc3 Rc8 {0-1 (31) Stukopin,A (2544)-Akopian,V (2682) Yerevan 2014}) 8. c4 Nbd7 (8... g6 $5 9. Nc3 Bg7 10. Be3 (10. h3 O-O 11. Rd1 Nbd7 12. Nf3 b6 13. Bf4 Nh5 14. Bg5 Bb7 15. Rac1 Rfe8 16. Bb1 Rac8 17. Qd2 Bf8 18. b3 Qb8 19. Bh6 Be7 20. Ne2 Ne5 21. Nfd4 Qa8 22. Qe3 Rc5 23. f4 Nd7 24. b4 Rc7 25. f5 exf5 26. exf5 Bh4 27. Ne6 fxe6 28. fxg6 Ndf6 29. g3 Bh1 {0-1 (40) Murtazin,R (2364) -Artemiev,V (2692) Sochi 2017}) 10... O-O 11. Rac1 (11. h3 Nbd7 12. Nf3 b6 13. Rac1 Bb7 14. Rfd1 Rac8 15. b3 Nc5 16. Bf4 Nh5 17. Bd2 Rfe8 18. Re1 Qb8 19. Qf1 f5 $5 20. exf5 Bxf3 21. gxf3 gxf5 22. Bb1 Kh8 23. Qe2 Be5 {0-1 (41) Svidler,P (2727)-Bocharov,D (2560) Berlin 2015}) 11... Nbd7 12. Rfd1 b6 13. f3 Bb7 14. b3 Rac8 15. Kh1 (15. Qf2 Qb8 16. Bf1 Rfe8 17. Nde2 Bc6 18. Nd4 Ba8) 15... Qb8 16. Qf2 Rfe8 17. Nde2 Ba8 18. Rc2 Nc5 (18... Ne5 19. Bxb6 d5) 19. Rcd2 Red8 20. Bc2 Ne8 21. Bd4 Bxd4 22. Qxd4 Qc7 23. Qe3 Qe7 24. b4 Nd7 25. Bb3 Rc7 26. Na4 Rb8 27. a3 (27. b5) 27... Bc6 28. Nb2 b5 $1 {0-1 (48) Golubev,R (2337)-Bocharov,D (2602) Voronezh 2016}) 9. Nc3 Ne5 (9... Be7 10. Bd2 (10. f4 $5 b6 (10... O-O 11. Kh1 b6 12. Bd2 Re8 13. Rae1 Bb7 14. Nf3 e5 15. Nd5 Bxd5 16. cxd5 exf4 17. Bxf4 Bf8 18. Bg5 h6 19. Bxf6 Nxf6 20. Nd4 Nxd5 21. Bc4 Nf6 22. Rxf6 gxf6 23. Bd5 Rac8 24. Nf5 Re5 {0-1 (42) Saric,I (2687)-Fedorchuk,S (2607) Bastia 2018}) 11. Kh1 Bb7 12. Bd2 O-O (12... g6 13. Rac1 O-O (13... Rc8 14. f5 gxf5 15. exf5 Rg8 16. Nf3 e5) 14. f5 $1 gxf5 15. exf5 e5 16. Nd5 (16. Nf3 Kh8 17. Bh6) 16... Qd8 17. Ne6 $1 fxe6 18. fxe6 Nc5 19. Bf5 Kh8 20. Rc3 (20. b4) 20... Nxd5 21. cxd5 Bxd5 22. Rh3 {1-0 (30) Caruana,F (2640)-Kveinys,A (2533) Dresden 2008}) ( 12... h5 13. f5 $1 e5 14. Nc2 (14. Nf3 Rc8 15. b3 Nc5 16. Bc2) 14... Nc5 15. Nd5) 13. f5 $5 e5 14. Nb3 (14. Nc2 Nc5 15. Bg5 Rfc8 16. Bxf6 Bxf6 17. Ne3 Nxd3 18. Qxd3 Rab8 19. Rad1 Bg5 {1/2-1/2 (26) Idani,P (2581)-Iturrizaga Bonelli,E (2635) Zuerich 2019}) 14... Nc5 (14... h6 15. Rf3 (15. a4 Rab8 16. Be1 Nc5 17. Bc2 Bc6 18. Bf2 Nxb3 19. Bxb3 Rfc8 20. Rfd1) 15... Nh5 16. g3 Rfc8) 15. Nxc5 bxc5 (15... dxc5 16. g4) 16. g4 $1 h6 17. h4 Nh7 18. g5 $18 {0-1 (73) Meier,G (2424)-Pantsulaia,L (2609) Playchess.com INT 2006}) 10... b6 11. Kh1 h5 12. f4 h4 13. Rae1 Bb7 14. f5 $1 Nc5 15. Bb1 (15. fxe6 fxe6 16. Bc2 $1 (16. b4 Nxd3 17. Qxd3)) 15... h3 16. b4 e5 17. bxc5 (17. Nf3) 17... exd4 18. Nd5 Bxd5 19. cxd6 $4 (19. exd5 hxg2+ 20. Qxg2 bxc5 21. Rxe7+ Kxe7 22. Qxg7 $18) 19... hxg2+ 20. Qxg2 Bxd6 21. exd5+ Kd7 22. h3 Qxc4 23. Rf3 Rae8 24. Qxg7 Rxe1+ 25. Bxe1 Rxh3+ 26. Kg1 Rxf3 27. Qxf7+ Kc8 28. Qe6+ {0-1 (28) Mekhitarian,K (2554) -Hansen,E (2606) Chess.com INT 2020}) 10. f4 Nxd3 11. Qxd3 Be7 12. b3 O-O 13. Bb2 b6 14. Rae1 Bb7 15. Kh1 Nd7 $6 (15... Rad8 16. Qg3 Rfe8 $4 (16... Kh8) ( 16... Nh5) 17. Nd5 $3 exd5 18. Nf5 $18) (15... Rfe8 $1 16. e5 (16. Qh3 Nd7 ( 16... Qc5 17. e5)) (16. Rf3 Rad8 17. Rh3 g6 18. f5 Bf8 19. Qg3 Bg7 20. Qh4 Nh5 21. g4 exf5) 16... Nh5 17. Qh3 dxe5 18. fxe5 g6 19. Ne4 Qxe5 20. Nf6+ Qxf6 21. Rxf6 Bxf6) 16. f5 Nc5 (16... Bh4 $1 17. Re3 (17. Rd1 Nc5 18. Qh3 Bf6) 17... Rae8 18. Rh3 Qd8 19. Qd1 Bf6 20. Qh5 h6 21. Bc1 $5 Bxd4 (21... Bg5 22. Bxg5 Qxg5 23. Qxg5 hxg5 24. Kg1) 22. Bxh6 Nf6 23. Qg5 Nxe4 24. Qh5 exf5 25. Be3 f6 26. Qh7+ Kf7 27. Qh5+ Kg8 28. Qh7+ $11) 17. Qg3 Bf6 18. Ndb5 $1 axb5 19. Nd5 $1 exd5 20. Bxf6 g6 21. Qh4 (21. exd5 $1 Rae8 22. Qh4 $1 Nd7 23. Be7 Ne5 24. f6 h5 25. Rf5 $18) 21... Nd7 22. Be7 f6 (22... Ne5 $2 23. f6 h5 24. Rf5 $3 (24. Qg5 Kh7) 24... dxe4 25. Rxh5) 23. fxg6 hxg6 24. Bxf8 Rxf8 25. exd5 Ne5 26. Rxf6 Qe7 27. Rxf8+ Qxf8 28. Kg1 bxc4 29. bxc4 Ba6 30. Re4 Qf5 (30... Qg7 $11) 31. Qd8+ Qf8 32. Qc7 g5 33. h3 Qf5 34. Re1 Bxc4 35. Qxd6 Nf7 36. Qxb6 g4 37. hxg4 Qxd5 38. a4 Qd7 39. Qg6+ Kf8 40. Qf6 Qxa4 41. g5 Qa7+ 42. Kh1 Qa6 43. Qd4 Bd3 44. Ra1 Qg6 45. Ra8+ Ke7 46. Ra7+ Kf8 47. Ra8+ Ke7 48. Qc5+ Qd6 49. Ra7+ Ke6 50. Qc8+ Ke5 51. Qe8+ Kf4 52. Qxf7+ Kg4 53. Qd7+ Qxd7 54. Rxd7 Bf5 55. Rg7 Bb1 56. Kg1 Bf5 57. Kf2 Bb1 58. Ke3 Bc2 59. Rc7 Bf5 60. g6 Bxg6 61. Rg7 Kf5 62. Rxg6 Kxg6 63. Kf4 {1-0 (63) Robson,R (2673)-Nakamura,H (2736) Lichess.org INT 2020} * [Event "B43-Hedgehog variations"] [Site "?"] [Date "2021.06.15"] [Round "?"] [White "5Bd3 Qc7 Hedgehog"] [Black "0-0,Nc3 with d6"] [Result "*"] [ECO "B43"] [Annotator "thechesscorner,@gmail.com"] [PlyCount "54"] [SourceVersionDate "2021.06.15"] {[%evp 0,54,18,13,48,44,45,37,42,38,57,34,56,42,35,49,69,56,45,0,34,42,59,1,21, 12,6,13,17,-15,0,-2,-19,-8,-18,7,4,-6,-12,0,-16,0,-9,0,0,-245,-306,-314,-329, -362,-361,-350,-273,-330,-334,-543,-550]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Nc3 d6 8. f4 Nbd7 9. Qe2 (9. Kh1 b5 10. a3 (10. Qe2 Bb7 11. Bd2 Be7 12. b4 $5 (12. Rae1 Nc5 13. e5 dxe5 14. fxe5 Nfd7 15. Qg4 Nxe5 16. Qxg7 O-O-O 17. Qxe5 Qxe5 18. Rxe5 Nxd3 19. cxd3 Rxd4 20. Rxf7 Rxd3 { 0-1 (66) Jovanovic,Z (2516)-Kozul,Z (2616) Sibenik 2012}) 12... O-O 13. a4 bxa4 14. Nxa4 d5 $1 15. e5 Ne4 16. Be1 Nb6 17. Nb2 Rfd8 18. Qe3 Rac8 19. c4 Nd2 20. Bxd2 dxc4 21. Be4 c3 {0-1 (39) Degraeve,J (2592)-Van Wely,L (2663) Chartres 2017}) 10... Bb7 11. Qe2 Be7 12. Bd2 h5 $1 13. Rae1 (13. Rf3 $5) 13... h4 14. Nf3 (14. Nd1 h3 $1 15. g3 g6 16. Nf2 Nc5 17. b4 Na4 18. Kg1 Nc3 19. Bxc3 Qxc3 20. Nb3 Rc8 21. Nd1 Qc7 22. Na5 Ba8 23. e5 dxe5 24. fxe5 Nd7 25. c4 Rh5 26. cxb5 Nxe5 27. Be4 Qb6+ 28. Nf2 Bxe4 29. Qxe4 Rf5 30. Rd1 axb5 31. Nb3 Nf3+ 32. Kh1 Ng5 {0-1 (32) Rahal,M (2431)-Bologan,V (2683) Cannes 2005}) (14. Rf3 $5 Nc5 15. b4 Nxd3 16. cxd3 Rc8 17. Rh3 g6 18. Rf1 e5 19. Nb3 exf4 20. Rxf4 Nd7 21. Rf1 O-O 22. Nd4 Ne5 23. Nc2 {1-0 (35) Tissir,M (2387)-Golubov,S (2482) St Petersburg 2018}) 14... h3 15. g3 e5 16. b4 Nb6 17. Ra1 Nc4 18. Bxc4 Qxc4 19. Qxc4 bxc4 20. Rfe1 Ng4 21. Nd5 f5 22. Nc7+ Kd7 23. Nxa8 Rxa8 24. fxe5 fxe4 25. exd6 Bf6 {0-1 (25) Fernandes,J (2095)-Indjic,A (2622) Lisbon 2020}) (9. Qf3 b5 10. a3 Bb7 11. Be3 Be7 {Black scores well here} 12. g4 (12. Rae1 h6 $5 { idea h6-g5 against f4-Qf3}) 12... h6 13. Rae1 g5 14. f5 e5 15. Nb3 h5 16. Bxg5 hxg4 17. Qg2 O-O-O 18. Be3 Rh3 19. Qe2 Rdh8 20. Bxb5 axb5 21. Nxb5 g3 22. Nxc7 gxh2+ {0-1 (22) Alekseeva,I (2177)-Bocharov,D (2597) Kazan 2016}) (9. Be3 b5) 9... Be7 (9... b5 10. Bd2 Bb7 11. b4 (11. Kh1 {see Degreave-Van Wely}) 11... Be7 12. Rae1 Nb6 13. e5 dxe5 14. fxe5 Nfd5 15. Ncxb5 axb5 16. Bxb5+ Nd7 17. c4 Nxb4 18. Qg4 O-O 19. Kh1 Nxe5 20. Qg3 Nbd3 21. Bh6 g6 22. Re3 Rxa2 23. Rxd3 Rxg2 24. Qxg2 Bxg2+ 25. Kxg2 Nxd3 26. Bxf8 Bxf8 {0-1 (26) Adhiban,B (2561) -Smirin,I (2657) New Delhi 2012}) 10. Be3 (10. Bd2 b5) 10... b5 11. a3 (11. Rae1 Bb7) 11... Bb7 {Black delays castle and plays Nbd7,Nf6,Be7,Bb7,b5} 12. Nb3 (12. Kh1 O-O 13. Rf3 g6 14. Raf1 Nc5 15. Bg1 e5 $1 16. fxe5 dxe5 17. Nf5 gxf5 18. Rxf5 Nxd3 19. Qxd3 Ne8 20. Qg3+ Ng7 21. Be3 Qd6 22. Rd1 Qg6 {0-1 (34) Jakubowski,K (2525)-Gajewski,G (2622) Warsaw 2012}) (12. Rae1 Nc5 13. Bf2 Rc8 14. Kh1 g6 15. Bg1 O-O 16. Nf3 Nh5 $1 17. Qd2 e5 $1 18. f5 Nf4 19. Be3 g5 20. f6 Bxf6 21. g3 Nfxd3 22. cxd3 Bg7 23. Nxg5 Qd7 24. g4 f6 25. Nf3 Qxg4 26. Qd1 Qh5 27. b4 Ne6 28. Nd5 Bxd5 29. exd5 Nc7 30. Rg1 Nxd5 31. Bh6 Rc7 32. Re4 Kh8 33. Rh4 Qf5 34. Rg3 Bxh6 35. Rxh6 Qf4 {0-1 (36) Chadaev,N (2484)-Vitiugov,N (2604) St Petersburg 2007}) 12... h5 $1 {delayed castle} 13. h3 h4 14. Bd4 e5 $1 15. fxe5 dxe5 16. Be3 Nc5 17. Nxc5 Bxc5 18. Kh2 Bxe3 19. Qxe3 Kf8 $1 20. Rf5 Re8 21. Raf1 Rh6 $15 22. Nd5 Bxd5 23. exd5 e4+ 24. Kh1 exd3 25. Qxd3 Qd6 26. Qd4 Kg8 27. b3 Ne4 {0-1 (27) Padmini,R (2370)-Giri,A (2764) Chess.com INT 2020} * [Event "?"] [Site "?"] [Date "2021.07.03"] [Round "?"] [White "g3,Bg2 plan"] [Black "quick h7-h5 for Black"] [Result "*"] [PlyCount "52"] [EventDate "2021.07.03"] [SourceVersionDate "2021.06.15"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. g3 Qc7 6. Bg2 Nc6 7. Nc3 (7. O-O h5 8. Nf3 (8. Re1 h4 9. Nxc6 bxc6 10. e5 hxg3 11. hxg3 Ne7) 8... Nge7 (8... Bc5 $5 9. Bf4 d6) 9. Bf4 e5 10. Be3 d6 11. Nc3 f6 12. Na4 Bg4 13. Nb6 Rd8 14. h3 Be6 15. c4 Ng6 16. Rc1 {0-1 (38) Fernandes,A (2353)-Iturrizaga Bonelli,E (2598) Lisbon 2020}) 7... h5 $5 8. O-O (8. h3 h4 (8... Nf6 9. O-O Bc5 10. Nxc6 bxc6 11. Bf4 e5 12. Bg5 d6 13. Qf3 Nd7 14. Rad1 Nf8 15. Na4 Ne6 16. Bc1 Ba7 17. b3 h4 18. g4 Bb7 19. c3 Rd8 20. Rfe1 a5 21. Bf1 O-O 22. Be3 Bxe3 23. Qxe3 Nf4 { 0-1 (55) Spraggett,K (2545)-Nisipeanu,L (2667) Linares 2015}) 9. g4 Nge7 10. Nde2 Ng6 11. O-O b5 12. a3 Bc5 13. Kh1 Bb7 14. f4 Rd8 15. Qe1 Ba7 16. Bd2 Nce7 17. Nc1 d5 $1 18. Nd3 dxe4 19. Bxe4 Rd4 20. Bf3 O-O 21. Qe2 Nd5 22. Nxd5 Bxd5 23. Bxd5 exd5 24. Bc3 Re4 25. Qg2 Re3 26. Rae1 Rg3 {0-1 (39) Berelowitsch,A (2574)-Vallejo Pons,F (2697) Germany 2011}) 8... h4 9. Nxc6 (9. Re1 hxg3 10. hxg3 Ne5 (10... d6 11. Nxc6 bxc6 12. Be3 Nf6 13. Na4 Rb8 14. c4 c5 15. b3 Be7 16. Qe2 Bb7 17. Nc3 Nd7 18. Rad1 Rd8 19. Bc1 Ne5 20. Bb2 Nc6 21. Nb1 Bf6 22. Bxf6 gxf6 23. Nc3 Nd4 24. Qd3 e5 {0-1 (54) Malakhov,V (2707)-Grischuk,A (2785) Moscow 2013}) 11. f4 Nc6 12. Be3 d6 13. Nxc6 bxc6 14. Na4 Rb8 15. c4 c5 16. Qd2 (16. b3 Bb7 17. Qe2 Be7 18. Rad1 Nf6 {0-1 (48) Henderson de la Fuente,L (2491) -Shankland,S (2691) chess24.com INT 2020}) 16... Nf6 17. Bf3 Bb7 18. Nc3 g5 $6 (18... Nd7 19. Kg2 g6 20. Rh1 Bg7) 19. fxg5 Nd7 20. Bf4 Ne5 21. Bxe5 dxe5 22. Rad1 Be7 23. g6 fxg6 24. Bg4 Rd8 25. Qf2 Rd6 26. Rxd6 Qxd6 27. Rd1 Qb6 { 1/2-1/2 (49) So,W (2770)-Pichot,A (2621) Chess.com INT 2020}) 9... bxc6 10. a4 hxg3 11. hxg3 Nf6 {no castle for Black} 12. Be3 a5 13. Re1 e5 $1 14. Bf3 d6 $15 15. Na2 Be6 16. b3 Qd7 17. Qd3 Ng4 18. Bd2 f6 $1 19. b4 g5 $5 (19... Qf7) 20. bxa5 Qh7 21. Bg2 Qf7 22. Nb4 Bc4 23. Qc3 $4 d5 (23... Rh1+ $3 24. Bxh1 (24. Kxh1 Qh5+ 25. Kg1 Qh2#) 24... Qh5) 24. Nxc6 (24. exd5) 24... Qh5 $1 25. Qxc4 dxc4 26. Rab1 Bc5 {0-1 (26) Bagrationi,A (2467)-Firouzja,A (2728) Chess.com INT 2020} *