[Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.12"] [Round "1.5"] [White "Navara, David"] [Black "Duda, Jan-Krzysztof"] [Result "0-1"] [ECO "B90"] [WhiteElo "2717"] [BlackElo "2755"] [Annotator "TA"] [PlyCount "72"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,72,22,12,19,25,19,-33,61,25,18,-15,-12,-13,-16,-81,-70,-87,-79,-74,-60,-53,-58,-56,-62,-91,-98,-112,-125,-152,-144,-143,-152,-151,-151,-159,-160,-207,-185,-243,-233,-414,-411,-408,-408,-394,-367,-462,-429,-662,-695,-648,-634,-797,-779,-899,-875,-852,-818]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Bg2 Nc6 9. Be3 Be7 $1 {[%mdl 4] is currently scoring better than 9...Ne5. Played by Jan Krzysztof Duda in February 2020. B81: Sicilian Scheveningen: Keres Attack.} 10. f4 Nd7 11. Nf3 {[#]} (11. Bf2 $11) 11... g5 $1 $146 {[%mdl 8] A relevant novelty.} ({Better is} 11... b5 $15) ({Predecessor:} 11... b5 12. O-O O-O 13. Ne2 Bb7 14. Ng3 Rc8 15. Qd2 Nb6 16. b3 d5 17. Qf2 Nd7 18. exd5 {1-0 (48) Narayanan,S (2529)-Vidit,S (2707) Xingtai 2019}) 12. Ne2 gxf4 13. Bxf4 Nde5 14. Nxe5 Nxe5 15. Ng3 (15. Qd2 $11 {remains equal.}) 15... Qb6 $17 16. Bxe5 dxe5 17. Qf3 Bg5 {And now ...Bd7 would win.} 18. h4 Qe3+ 19. Qxe3 Bxe3 20. Ke2 {White is on the road to losing.} Ba7 21. Rad1 Bd7 22. Kf3 Ke7 23. Rh2 Rhg8 24. Bh3 Ba4 25. Rhd2 Rac8 26. Bf1 Rg6 (26... Rxc2 27. Rxc2 Bxc2 28. Rc1 $11) (26... Bxc2 27. Rd7+ Kf8 28. R1d2 $15) 27. Nh5 (27. b3 {was worth a try.} Bc6 28. Bh3) 27... Bd4 $19 ({Weaker is} 27... Rxc2 28. Rxc2 Bxc2 29. Rc1 $17) ({Not} 27... Bxc2 28. Rd7+ Kf8 29. R1d2 $15) 28. Bd3 $2 (28. b3 Bc6 29. Bh3) 28... Rcg8 29. Rg2 f5 30. exf5 Bc6+ {[%mdl 64] [#] Skewer} 31. Ke2 exf5 {Black is clearly winning.} ({Inferior is} 31... Bxg2 32. fxg6 Bxb2 33. Ng3 $11) 32. Ng3 (32. Rh2 $142 Rxg4 33. Bxf5 Rg2+ 34. Rxg2 Rxg2+ 35. Kd3) 32... Bxg2 33. Nxf5+ Kf6 34. Nxd4 Rxg4 {[%mdl 64] [#] Double Attack} 35. Nf5 e4 36. Nxh6 Bf3+ {Accuracy: White = 45%, Black = 92%.} 0-1 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.14"] [Round "3.2"] [White "Navara, David"] [Black "Anton Guijarro, David"] [Result "0-1"] [ECO "D35"] [WhiteElo "2717"] [BlackElo "2697"] [Annotator "TA"] [PlyCount "82"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,82,28,27,31,18,24,16,24,16,23,19,29,19,31,6,17,4,0,0,36,34,75,68,81,25,33,22,46,29,44,33,45,23,62,0,0,0,22,-4,0,-33,0,0,0,-50,0,0,0,-26,-26,-91,-86,-131,-113,-156,-108,-130,-36,-266,-204,-872,-854,-838,-842,-887,-836,-809,-785]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nf3 Ne4 9. Bf4 Ndf6 {D35: Queen's Gambit Declined: Exchange Variation.} 10. Qc2 O-O 11. O-O {[%cal Rc3e4]} Bf5 {The position is equal.} 12. Ne5 g6 13. f3 Nd6 14. Rad1 Bxd3 15. Rxd3 {[#]} a6 $146 ({Predecessor:} 15... Nh5 16. Bh6 Re8 17. e4 Bg5 18. Bxg5 Qxg5 19. f4 Qd8 20. exd5 cxd5 21. Nxd5 Rc8 {1-0 (59) Navara,D (2742)-Hammer,J (2651) Novy Bor 2016}) 16. Kh1 Rc8 17. e4 Nb5 18. Qb3 Kg7 19. a4 Nxc3 20. bxc3 (20. Rxc3 $16 Rc7 21. Ng4) 20... b5 $11 21. Qa2 Nh5 22. Bc1 Nf6 23. axb5 axb5 24. Qd2 Ng8 25. Re3 (25. Qe2 $14) 25... dxe4 26. Rxe4 Qd5 27. Rfe1 Ra8 28. Ng4 Bd6 29. R4e2 Rfd8 30. Bb2 Kf8 31. Ne5 Kg7 32. Bc1 Re8 33. h4 (33. Qb2 $11) 33... f6 $17 34. Ng4 Rxe2 35. Rxe2 Bg3 {Threatens to win with ...Ra1.} 36. Kg1 Qh5 (36... Bxh4 $17 37. Ne3 Qd6) 37. Qe3 $2 {White does not recover from this.} (37. Ne3 $15) 37... Qxh4 {...Ra1 is the strong threat.} 38. Qe6 $2 {[#]} (38. Bb2) 38... Ra1 $1 {Black is clearly winning.} 39. Rc2 h5 40. Ne3 Qh2+ 41. Kf1 {[#]} Rxc1+ $1 {[%mdl 512] Accuracy: White = 56%, Black = 69%.} 0-1 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.16"] [Round "5.2"] [White "Navara, David"] [Black "Grandelius, Nils"] [Result "1-0"] [ECO "A33"] [WhiteElo "2717"] [BlackElo "2659"] [Annotator "TA"] [PlyCount "109"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,109,0,0,0,0,0,0,0,12,21,21,18,25,-5,-11,-21,-22,-26,-21,-21,-12,-12,-15,-20,0,0,-7,0,0,-3,0,-27,-29,-19,25,25,35,38,8,13,15,0,0,0,62,58,47,53,67,54,59,34,81,85,89,79,193,177,169,166,406,395,353,139,492,461,528,497,487,481,479,431,486,483,681,670,638,620,1731,1703,1676,1670,1543,1534,1201,1147,976,761,29978,29979,29978,29979,29971,29969]} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 $1 10. Bd2 $1 {[%mdl 4] is recently more successful than 10.f4. A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 11. O-O-O $5 {[%mdl 4] Exploring less charted territory.} a4 12. Na1 {The position is equal.} O-O 13. Nc2 Bc5 14. f4 Nc6 $1 {[#]} 15. e5 $146 ({Predecessor:} 15. Be3 Qa5 16. Bxc5 Qxc5 17. Qd2 a3 18. Nxa3 Rxa3 19. bxa3 Qxa3+ 20. Kb1 e5 21. Bd3 {1-0 (53) Gelfand,B (2684)-Tregubov,P (2588) Moscow 2019}) 15... dxe5 16. fxe5 Nd7 17. Bf4 f6 18. exf6 Nxf6 19. Bh3 e5 20. Bxc8 exf4 21. Be6+ Kh8 {White must now prevent ...f3!} 22. gxf4 Nd4 23. Nxd4 Bxd4 24. Rd3 a3 25. b3 Nh5 26. Qxh5 Bxc3 27. f5 Bb2+ $1 ({Worse is} 27... Qf2 28. Qxh7+ $1 {[%mdl 512]} Kxh7 29. Rh3+ Qh4 30. Rxh4#) 28. Kb1 {Threatening mate with Qxh7+!} h6 29. Rhd1 $40 {[%mdl 128] White attacks.} Bf6 {aiming for ...Qf2.} 30. Qe2 Qa5 (30... Qc7 $11) 31. Qe1 $14 Qc7 32. Qg3 Be5 33. Qe3 Bf6 34. R1d2 Rfe8 ({Don't go for} 34... Bg5 $2 35. Qxg5 $1 {[%mdl 512]} Rae8 36. Qg3 $18) 35. Rd7 Qc6 36. R2d5 Rac8 (36... Re7 $16) 37. Rf7 {Hoping for Rxf6.} Bb2 {[#]} 38. Qd2 $1 Rb8 $2 (38... Rf8 39. Rfd7 Qb6) 39. Bd7 $18 {[%mdl 64] Double Attack} Qb6 {Threatens to win with ...Qg1+.} 40. c5 $2 (40. Bxe8 $18 {and the rest is easy. White threatens Rf8+ and mate.} Rxe8 41. Rd6 Qg1+ 42. Kc2) 40... Qd8 $2 {[%mdl 8192]} (40... Qa6 $16 {is more resistant.} 41. Bxe8 Rxe8) 41. f6 Bxf6 42. Bb5 ({Not} 42. Bxe8 Qxe8 43. Rxf6 Qe4+ 44. Qd3 Qe1+ 45. Kc2 gxf6 $16) 42... Re1+ 43. Kc2 Qg8 44. Rxf6 $1 gxf6 {[#]} 45. Rd7 $1 Qg6+ (45... Qf8 $142) 46. Bd3 Re4 {[#]} 47. Re7 $1 {[%mdl 576] Pin} f5 (47... Rxe7 48. Bxg6) 48. Bxe4 fxe4 {[%mdl 4096] Endgame KQR-KQR} 49. Qd4+ Kg8 50. Qd5+ Kf8 51. Re6 Qg5 52. Re5 Qg6 53. Rf5+ {White mates.} Kg7 54. Qe5+ {[%mdl 64] Double Attack} Kh7 55. Qc7+ {Accuracy: White = 85%, Black = 60%.} 1-0 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.19"] [Round "7.3"] [White "Navara, David"] [Black "Vitiugov, Nikita"] [Result "1/2-1/2"] [ECO "A20"] [WhiteElo "2717"] [BlackElo "2731"] [Annotator "TA"] [PlyCount "83"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,83,0,0,10,0,-14,-14,-17,0,-22,0,0,0,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,1,0,7,25,8,11,12,10,8,37,22,14,13,13,24,35,20,10,0,0,0,23,17,10,7,7,7,26,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. g3 c6 3. d4 e4 4. a3 d5 5. Nc3 Nf6 6. Bg2 {A20: English Opening: 1...e5.} Be7 7. f3 exf3 8. Nxf3 O-O 9. O-O h6 10. cxd5 cxd5 {[#]} 11. Nh4 $146 ({Predecessor:} 11. Bf4 Nc6 12. Rc1 Be6 13. Kh1 Rc8 14. Qd3 Re8 15. Qb5 b6 16. Qd3 Bf8 17. Ne5 {½-½ (33) Grigoriants,S (2543)-Brkic,A (2587) Hungary 2019}) 11... Nc6 12. Nf5 Be6 13. g4 Re8 14. Nxe7+ Nxe7 15. g5 hxg5 16. Bxg5 {[#] And now Rxf6 would win.} Nh7 $1 {[%cal Rh7g5]} 17. Bh4 Qd7 18. e3 Nf5 {[%cal Be7f5,Bf5h6,Bh6g4][%mdl 32]} 19. Qe1 Nf8 20. Rd1 Ng6 21. Bg3 Nh6 22. e4 dxe4 23. Qxe4 Re7 24. Nd5 Bxd5 25. Qxd5 Qxd5 26. Bxd5 Ng4 (26... Rd8 $5 {[%cal Rd8d5]} 27. Ba2 Re2 $14) 27. Rd3 Rd8 28. Bb3 Nf6 29. d5 Re2 30. d6 Ne5 31. Rc3 Nc6 $1 32. Rd3 Ne5 33. Bd1 Re4 34. Rc3 Nc4 35. Bf3 Nd2 $1 {[%cal Rd2f1]} 36. Bxe4 Nfxe4 {The position is equal.} 37. Rc7 Nxf1 38. d7 Kf8 $1 ({Much worse is} 38... Nfxg3 $6 39. Rc8 $16) 39. Kxf1 Nxg3+ 40. hxg3 Ke7 41. Rxb7 Rxd7 42. Rb5 {Accuracy: White = 96%, Black = 97%.} 1/2-1/2 [Event "Prague Festival Masters 2020"] [Site "Prague"] [Date "2020.02.21"] [Round "9.1"] [White "Navara, David"] [Black "Harikrishna, Pentala"] [Result "0-1"] [ECO "D25"] [WhiteElo "2717"] [BlackElo "2713"] [Annotator "TA"] [PlyCount "98"] [EventDate "2020.02.12"] [EventType "tourn"] [EventCountry "CZE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,98,23,56,42,40,14,32,16,18,17,29,0,0,8,18,14,7,20,36,-9,-14,-31,-29,-40,-39,-40,-40,-40,-40,-40,-39,-47,-36,-49,-41,-37,-42,-51,-51,-38,-52,-53,-54,-91,-83,-83,-92,-95,-90,-159,-159,-168,-129,-134,-112,-179,-179,-175,-167,-242,-168,-157,-169,-311,-315,-351,-346,-341,-346,-327,-338,-366,-372,-347,-265,-325,-326,-325,-316,-371,-384,-391,-388,-380,-370,-375,-370]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Be7 8. e4 {D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4.} O-O {[#]} 9. e5 $146 ({Predecessor:} 9. Be3 c5 10. dxc5 Bxc5 11. Bxc5 Nxc5 12. Qxd8 Rfxd8 13. Ne5 Bh5 14. f3 Ncd7 15. Nxd7 Nxd7 {½-½ (25) Simantsev,M (2403)-Matulovic,M (2433) Bucharest 2000}) 9... Ne8 $1 10. Be3 {White is slightly better.} c6 11. h3 Bh5 12. g4 Bg6 13. Ne1 Nb6 14. Bb3 Nc7 15. f4 {Hoping for f5.} f5 16. Nd3 (16. exf6 $5 Bxf6 17. Nf3 $11) 16... Nbd5 17. Qd2 Qd7 18. Rac1 Rad8 19. Nxd5 Nxd5 20. Nc5 Bxc5 21. Rxc5 fxg4 22. hxg4 Be4 23. Qe1 Qf7 {aiming for ...Qg6!} 24. Bd2 {[#]} Qg6 $1 {[%mdl 512]} 25. Qh4 Rd7 $40 {[%mdl 128] Black is up to no good.} 26. Qh5 Qxh5 27. gxh5 Nc7 28. Be3 Bd5 29. Bd1 Bxa2 30. Bg4 Bd5 31. f5 (31. Rc3 $142) 31... exf5 $1 $17 32. Rxf5 Rxf5 33. Bxf5 Rf7 34. Bc8 (34. Bg4 $17) 34... Rf3 $19 35. Bf2 {[#]} Rb3 $1 36. Bh4 (36. Rc2 $142) 36... Kf7 37. Rc2 Be6 38. Rf2+ (38. Bd8 $142) 38... Ke8 39. Rg2 Bxc8 40. Rxg7 Nd5 ({Inferior is} 40... Rxb2 41. Rxc7 Bf5 {[#]} 42. e6 $1 $14 {[%mdl 512]}) 41. Rg8+ Kd7 42. e6+ Kxe6 43. Rxc8 {[%mdl 4096] Endgame KRB-KRN} Rh3 44. Bd8 Rxh5 45. Rb8 Kd7 46. Ba5 b6 {Black is winning.} 47. Bd2 a5 48. Kg2 Kc7 49. Rh8 Kb7 {Accuracy: White = 61%, Black = 91%.} 0-1