[Event "Chessbase India"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "SajanDas Joshi"] [Black "Anil Dandekar"] [Result "*"] [Annotator "KS"] [PlyCount "48"] [SourceVersionDate "2022.10.11"] {[%evp 0,48,26,18,81,59,59,25,39,12,38,6,21,22,9,-7,3,-7,-14,-21,-12,-12,-1,-4, 7,-6,-4,15,15,15,95,-1,2,-47,-41,6,2,2,21,6,-2,53,73,37,2,17,0,-83,-83,-302, -298]} {Insane grandmaster like calculation - This man saw 16 moves deep!} 1. Nf3 c5 2. b3 Nf6 3. Bb2 e6 4. g3 Be7 5. Bg2 O-O 6. O-O d5 7. d4 b6 8. e3 Bb7 9. Nbd2 Nbd7 10. Ne5 Rc8 11. c4 Qc7 12. cxd5 {As per the database, this move has been played 6 times with the earliest game being played in 1917 As per the engine this is a perfectly playable move (KS) Unfortunately this move does not score very well for White with the score being 1 Win , 2 Draws and 3 Losses } ({As per Sajandas (SD) it was better to play} 12. Rc1 Qb8 13. Qe2 Rfd8 14. Rfd1 {Only after placing the rooks in the central files does one need to take a decision in the center - SD} cxd4 (14... dxc4)) 12... Nxd5 (12... Bxd5 $5 $11 ) (12... Nxe5 $5 $11 {(Stockfish 15)}) (12... exd5 $5 13. Rc1 Bd6 14. Bh3 Rcd8 15. Ndf3 Rfe8 16. Qd3 Nf8 17. Ng5 Bxe5 18. dxe5 Ne4 19. Nf3 a5 20. Nh4 Ng6 21. Nxg6 hxg6 22. f3 Ng5 23. Bg2 Qc8 24. Qd2 Ne6 25. f4 d4 26. e4 Qa8 27. Rfe1 Nf8 28. Qf2 Qb8 29. Rcd1 Bc8 30. Bf1 Bg4 31. Rd2 Qc8 32. Bc4 Be6 33. Bb5 Bd7 34. Qf1 Qb7 35. a4 Bc6 36. Qd3 Bxb5 37. Qxb5 Nd7 38. Ba3 Qc7 39. Qc4 Nb8 40. h3 Nc6 41. Kh2 Rd7 42. Qd3 Nd8 43. h4 Nc6 44. Kg2 Rdd8 45. Kh2 Qc8 46. Kg2 Qb7 47. Rc1 Nb8 48. Kf3 {1/2-1/2 (48) Kelemen,G (2221)-Purkald,M (2213) Hungary 2001}) 13. Nxd7 Qxd7 14. dxc5 {Black now thought for 45 minutes over his next move as according to SD the initiative was passing in White's hands. According to him this was not correct as White has made a decision in the center without playing Rc1} Ba6 {Trying to shift the Q to f7 with tempo} (14... Bxc5 $5 { = (Stockfish 15)} 15. Ne4 Be7 16. Qd4 f6 $11 {[%CAl Gd7e8,Ge8f7,Gf6f5] Queen should come to f7 to defend (SD)}) (14... Rxc5 $5 {= (Stockfish 15)}) 15. Re1 ( 15. Nc4 $1 {[%CAl Ge3e4]} Rxc5 16. e4 Nf6 17. Qxd7 Nxd7 18. Ba3 {[%CAl Ra3e7]} Rxc4 $1 19. Bxe7 Rc7 $1 $11 {[%CAl Ra6f1]} 20. Rfd1 (20. Bxf8 Bxf1 21. Bd6 Rc6 22. Bf4 Bxg2 23. Kxg2 $11) 20... Rfc8 $14) 15... Bxc5 16. Ne4 Bb4 {The point of playing Ba6 so that Bb4 comes with tempo} 17. Qd4 f6 18. Red1 Qf7 19. a3 Be7 {Unfortunately white has this move which attacks weak a7} 20. Qa4 {[%csl Ra6, Ra7]} Bb7 21. Qxa7 Rc7 {[%csl Ra7][%CAl Rf8a8] Keeping control of the c file and also supporting the bishop and X-raying the queen} (21... Bc6 {[%csl Ra7] [%CAl Rc8a8]} 22. Nd6 Bxd6 23. Qxf7+ Rxf7 24. e4 $16 {[%csl Rd6]}) 22. Qa4 Ra8 23. Qd4 $4 {was played in the game} ({SD had calculated the following variation } 23. Qb5 Ba6 24. Qa4 b5 $2 {Unfortunately this move is a mistake and gives white an advantage (KS)} (24... Bb7 $5 $11 {Black can force a draw}) (24... f5 $5 25. Nc3 $11 Bb7 (25... Nxc3 $6 26. Bxc3 Bb7 27. Qf4 $14) 26. Nxd5 Rxa4 27. Nxc7 {[%csl Ra4,Rb7]} Bxg2 28. Kxg2 (28. bxa4 $4 Bf3 $19) 28... Rg4 $11) 25. Qa5 (25. Qd4 $1 $16 f5 {(??) A losing move (KS)} (25... Rac8 $142 $16) 26. Nd2 $4 {SD considers only this move} (26. Nc3 $1 {This move wins for white and was missed by SD in his calculations} Bf6 27. Qd2 {[%csl Ra8][%CAl Rg2a8] If Black takes on c3 his own rook hangs on a8 due to which white is winning}) 26... Bf6 $18 {[%csl Rb2]}) 25... Rc2 {[%csl Rb2][%CAl Re7d8]} 26. Rab1 (26. Rd2 $4 Bd8 { [%csl Ra5]}) 26... f5 27. Nd2 Bd8 $18) 23... f5 24. Nd2 Bf6 $18 {[%csl Rb2] Black won a piece and the game} *