Revisiting the Benko Gambit Accepted - White Castles by hand.
I was looking to see deeper in my knowledge of benko gambit accepted.I was looking to see deeper in my knowledge of benko gambit accepted and I decided to look at the line of white castle by hand and what modern chess engine think about it.
I also wanted to look at some new drawish new way to play the black side of that opening. Here what I found
there is 3 lines that was my main focus
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 *
Line 1
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 O-O 11. Nf3 Nbd7 12. Re1 Ng4 13. Qe2 Nge5 14. Nd2 Nb6 15. f4 Ned7 16. a4 Ra7 17. a5 Qa8 $14 { The book line stop here with += . stockfish 18 eval is +0.8 depth 28. } 18. Qb5 Bxc3 19. bxc3 Rb8 20. axb6 Rxa1 21. Qxd7 Qa2 22. Qa7 Rxb6 { stockfish 18 eval is +0.9 depth 28. } *
Line 2
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 O-O 11. Nf3 Nbd7 12. h3 Ra6 13. Re1 Qa8 14. Bg5 h6 15. Bd2 e6 16. dxe6 fxe6 17. a4 g5 $13 { the book said = unclear. stockfish 18 eval is +0.9 depth 32. } 18. Qc2 Qb7 19. a5 Nb8 20. Nd1 Nfd7 21. Ra3 Nc6 22. Qc4 Re8 { stockfish 18 eval is +1.1 depth 23. } *
Line 3
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 O-O 11. Nf3 Nbd7 12. h3 Qa5 13. Re1 Rfb8 14. Re2 Ne8 15. Rc2 Nc7 16. Bg5 h6 17. Bd2 Na6 $13 { the book said = unclear. stockfish 18 eval is +0.3 depth 26. } 18. a3 Nb4 19. Ne2 Qa6 20. Bxb4 Rxb4 21. axb4 Qxa1 22. Qxa1 Rxa1 23. bxc5 Nxc5 24. e5 Ra4 25. Ned4 Bxe5 { stockfish 18 eval is +0.2 depth 30. } *
I also add all sub lines cited and I was curious to look at there is a total of 18 lines revisited in my studies from white & black perpective.
I hope you enjoy the info I'm working on too.
Also to those who are interested to read or pushing further than here a link and I also put again the 18 puzzles from my previous post if you didn't read it.
Have a nice day guys.
book reference source : Nco Nunn's Chess Opening
available here : https://www.amazon.com/Nunns-Chess-Openings-Everyman/dp/1857442210
engine used : stockfish 18
