[Event "Opening Theory #4"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Neutralize London System"] [Black "?"] [Result "*"] [ECO "D02"] [Annotator "KS"] [PlyCount "28"] [SourceVersionDate "2022.10.02"] {[%evp 0,28,19,9,24,18,18,5,5,-31,-12,-1,0,1,18,18,52,52,53,37,100,47,68,50,58, 67,98,81,77,77,122]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 $1 {In many 1.d4 openings, a typical reaction to the bishop development is} 4. c4 (4. e3 e6 5. c4 (5. Bd3 {is actually the most popular reaction from White} Bxd3 6. cxd3 (6. Qxd3 c5 $11 ) 6... c5 $11 7. Qb3 Qb6 8. Qxb6 axb6 9. Bxb8 Rxb8 $11 {Alex Banzea}) (5. c3 Bd6 $11) 5... Bxb1 $1 6. Rxb1 (6. Qxb1 Bb4+ 7. Kd1 Bd6 $1 8. Bg5 (8. Bxd6 Qxd6 $11) 8... Nbd7 $1 {is equal according to the Super-GM Wesley So who analyzed the game Carlsen- So, Wijk aan Zee 2018 in the latest edition of the book "The Mammoth Book of the World's Greatest Chess Games"}) 6... Bb4+ 7. Ke2 dxc4 8. Qa4+ Nc6 9. Ne5 a5 $5 $11 {Carlsen- Giri, Banter Blitz Cup Final 2020} (9... Nd5 $5 $11 {Abasov-Sargsyan, Krasnaya Polyana 2021}) 10. Nxc6 Qd7 11. a3 Bd6 12. g3 Qxc6 13. Qxc6+ bxc6 14. Bg2 Kd7 15. Rhc1 Rhb8 16. Rxc4 Nd5 17. Be4 h6 18. h4 Rb6 19. Kd2 Rab8 20. Kc1 Rb3 21. Ra4 R3b5 22. Bd3 Rb3 23. Bc2 R3b5 24. Bxd6 cxd6 25. Bd3 Rb3 26. Bc4 R3b7 27. Bxd5 cxd5 28. Rxa5 Rc8+ 29. Kd1 Rbc7 30. b4 Ke7 31. b5 Rc2 32. Ra7+ Kf6 33. b6 Rxf2 34. Rc7 Ra8 35. b7 Rxa3 36. b8=Q Raa2 37. Qb5 {1-0 (37) Carlsen,M (2863)-Giri,A (2764) chess24.com INT 2020}) 4... e6 5. Qb3 {Here, Black has discovered a strong pawn sac} dxc4 $1 6. Qxb7 Be4 $1 7. Qxc7 Bb4+ 8. Nbd2 Qxc7 9. Bxc7 Ke7 10. e3 Rc8 11. Bg3 Nbd7 12. Be2 c3 13. bxc3 Bxc3 14. Rc1 a5 $1 $11 {[%csl Ra2][%CAl Ge4d5] Black is fine!} *