[Event "Stavanger"] [Site "Stavanger"] [Date "2020.10.10"] [Round "9.1"] [White "Duda, Jan-Krzysztof"] [Black "Carlsen, Magnus"] [Result "1-0"] [ECO "B15"] [WhiteElo "2757"] [BlackElo "2863"] [Annotator "Bojkov,Dejan"] [PlyCount "125"] [EventDate "2020.??.??"] 1. e4 c6 {"I did not expect the Caro-Kann at all." (Duda)} 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 {Twenty years back this line was considered dubious for Black as the assumption was White will be structurally way better. The simplest plan is to trade everything and achieve won pawn endgame. Moreover, unlike the similar pawn construction as in the Ruy Lopez Exchange, Black lacks the bishop pair to compensate for the ruined pawn structure. However, recent GM practice proved that Black has serious arguments too, mainly the chance to play on both flanks.} 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ 9. Ne2 ({Maybe Carlsen wanted to pay tribute to the commentators of the day by following in their footsteps:} 9. Be3 h6 10. Nf3 Bf4 11. Qe2 c5 12. dxc5 Qc7 13. O-O-O Bxe3+ 14. fxe3 Qxc5 15. Nd4 Nc6 16. Nxc6 bxc6 17. Bc4 Be6 18. Bxe6 Rxe6 19. Rd3 Rae8 { Svidler,P (2723)-Kramnik,V (2753) chess24.com 2020}) 9... h5 10. Be3 Nd7 11. O-O-O b5 {"I totally forgot about this idea." (Duda) "I knew such an idea exists, but did not bother analyzing it seriously."} 12. d5 {"The first stupid thing I did was that I spent 20 minutes on calculating this move (and the recapture) and then Magnus played c6-c5 at once." (Duda)} ({Instead, the former world champion suggested super-aggressive kingside play with} 12. g4 $5 {(Kramnik)} hxg4 13. h3 g3 14. Rhg1 {with the brilliant point} (14. Rdg1 $5) 14... Rxe3 ({Perhaps Black needs to defend patiently with} 14... gxf2 15. Bxf2 Nb6) 15. fxe3 Qc7 16. Nxg3 $1 Bxg3 17. Qg2 {(Kramnik)}) 12... c5 13. Bxb5 Rb8 14. c4 a6 ({White expected instead the positional sacrifice} 14... Rxe3 { (Also recommended by Kramnik and Svidler.)} 15. fxe3 Ne5 16. h3 {"It is very difficult to play as White." (Duda) The computer disagrees and likes the material better (no major surprise here) but it is evident that Black can mount pressure easily and enjoy his initiative thanks to his safer king.}) 15. Ba4 Re7 {N Only this is a novelty. The rook is getting ready to join the queenside assault.} ({The earlier game went} 15... Re5 16. Nc3 Nb6 17. Bb3 Bf5 18. Qd2 a5 19. a3 Nxd5 20. Nxd5 Rxb3 21. Nc3 Rb6 22. Nb5 {with unclear play, Ivic,V (2487)-Hansen,T (2423) Porto Carras 2018}) 16. Ng3 Ne5 (16... Nb6 17. Bc6 g6 18. Ne4 Rxe4 19. Qxe4 Bf5 {(Duda)}) 17. Ne4 {Now that the knight got centralized White was happy.} ({However, the prophylactic} 17. Bd2 {intending to meet} Reb7 {with} 18. Bc3 {would have been better for White instead.}) 17... Reb7 $1 {After this, Duda thought that Carlsen can "play whatever he wants and will always have positional compensation."} 18. b3 ({Duda spent time calculating} 18. Qc3 {but did not like the consequences of} Rb4 (18... Rxb2 19. Bb3 $1) 19. b3 Nxc4 $1 {(Svidler)}) ({Instead} 18. Nxd6 Rxb2 {"is pretty bad for White." (Duda)}) 18... Rb4 {A surpise for Duda.} ({The Polish GM expected} 18... Bf5 {and did not know what to do:} 19. f3 {can be met with} ({Another idea that the Polish GM considered was the positional queen sacrifice} 19. Rhe1 Ng4 20. Nxd6 Bxc2 21. Nxb7 Rxb7 22. Kxc2 {but there too Black seems better.}) ( {The commentators had a better idea instead:} 19. Bd2 $1 {(Kramnik, Svidler)} Ng4 20. f3 ({However here everyone missed the excellent} 20. Rhf1 $1 Nxh2 21. Rh1 $1 {maneuver when White is winning after} Ng4 22. Rxh5) 20... Nf2 21. Nxf2 Bxc2 22. Kxc2 {"I do not know if White is any worse." (Kramnik)}) 19... Bxe4 20. Qxe4 Re7 $1 {with a strong initiative.}) 19. Bd2 Rxa4 $1 {Another nice positional exchange sacrifice. The white king is exposed.} 20. bxa4 Bf5 21. Rde1 {"I thought I am in a very good shape here, I was kind of very optimistic. " (Duda)} h4 {And indeed, now White is better.} ({Perhaps Carlsen thought that he has too little in the line:} 21... Ng4 22. f3 ({Here} 22. Rhf1 {is met strongly with} Be5 $1) 22... Bxe4 23. Rxe4 Nf2 24. Rhe1 Nxe4 25. Qxe4 {with equality after both} Qd7 ({or} 25... Bxh2 {but that was the way to play it.})) 22. h3 Ng6 23. Re3 {White has consolidated and even though the g2 pawn can be attacked he can finally breathe freely. The game is approaching the time-trouble phase.} Nf4 24. g4 ({If White wanted to play safe he could have chosen} 24. g3 Nxh3 25. Rxh3 ({Here} 25. Rf3 $1 {wins for White, with the idea} Bg4 26. Nxd6 Qxd6 27. Rb3) 25... Bxh3 26. Nxd6 Qxd6 27. gxh4 {with equality. (Kramnik, Svidler)}) 24... Bg6 25. Kd1 $3 {"A very nice move." (Kramnik) "A clever way to deal with the knight jumps." (Svidler)} f5 {A natural aggression, but then the black king is getting weak too.} ({Best was} 25... Qd7 $5 { (Duda) in order to avoid the rook trade with} 26. Rb3 Re8 27. Re1 Nxh3 $1 { (Svidler)}) 26. Nxd6 Qxd6 27. gxf5 Bh5+ 28. f3 Qf6 29. Bc3 (29. Qe4 $5 Qa1+ 30. Bc1 Rb1 31. Kd2 $1 {was there too.}) 29... Qg5 30. Qe4 {"A very stupid move." (Duda)} (30. Rhe1 $1 {would have been more natural, but the text move does not spoil that much.}) 30... Qg2 ({The commentators and Duda suggested instead the improving moves} 30... f6 $1) ({or} 30... Kh7 $1 {when Carlsen's game would be even easier in time trouble.}) 31. Rhe1 ({The Polish GM wanted to checkmate his mighty opponent à la Carlsen with} 31. Qxf4 Qxh1+ ({And while checking the lines he saw he blundered something else...} 31... Rb1#) 32. Kd2 Rb1 33. Re8+ Kh7 34. Qh6+ Kxh6 35. Rh8+ {but then realized that the king can escape with}) 31... Qxa2 {An obvious move, and a blunder.} ({"It is never too late to make a good positional move," said Kramnik, suggesting} 31... f6 $5 {although then} 32. d6 {should be much better for White.}) 32. Qc2 Qxc4 33. Re8+ Kh7 ({ Apparently, the world champion missed from afar:} 33... Rxe8 34. Rxe8+ Kh7 35. Rh8+ $1 Kxh8 36. Bxg7+ {and the queen drops.}) 34. Rxb8 Qxd5+ 35. Qd2 Bxf3+ 36. Kc1 Qxf5 ({Or a study-like mate in case of} 36... Nd3+ 37. Kb1 Qxf5 38. Rh8+ $1 Kxh8 39. Qh6+ Qh7 40. Re8#) 37. Re3 {There are still many checks and threats against the white king, but the two rooks are too much to handle.} Ne2+ 38. Kb2 Nxc3 39. Qxc3 Qf4 40. Qd3+ f5 41. Rf8 Qb4+ 42. Kc1 Be4 43. Qb3 (43. Rxe4 $1 fxe4 44. Qd8 {would do as well.}) 43... Qd4 44. Qc3 Qd6 45. Rf7 Qg6 46. Rd7 Qg1+ 47. Kb2 c4 48. Rxe4 $1 {No more threats. Duda converts the extra rook.} fxe4 49. Rd4 Qf2+ 50. Qd2 c3+ 51. Kxc3 Qg3+ 52. Kb2 Qxh3 53. Rxe4 Qg3 54. Qd4 Qg2+ 55. Kc3 Qf3+ 56. Kb4 Qf8+ 57. Ka5 Qf5+ 58. Kxa6 g5 59. a5 h3 60. Re7+ Kg6 61. Qg7+ Kh5 62. Qh7+ Kg4 63. Re4+ 1-0
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