[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "1"]
[White "Duda, Jan-Krzysztof"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2715"]
[BlackElo "2751"]
[Annotator "TA"]
[PlyCount "97"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,97,0,0,-20,-17,-15,-16,-9,-12,-4,43,37,48,40,36,16,16,16,16,16,16,16,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,8,8,7,8,15,8,24,26,39,39,39,39,39,39,57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nf3 e6 3. d4 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Bf4 b6 10. cxd5 cxd5 11. Rc1 {E08: Closed Catalan: Main Line: 7 Qc2} Bb7 12. Nc3 (12. Qb3 Rc8 13. Rxc8 Qxc8 14. Nc3 Nh5 15. Bg5 Bxg5 16. Nxg5 Nhf6 17. e3 Qb8 18. Bf1 Rc8 {½-½ (56) So,W (2788)-Karjakin,S (2760) London 2017}) 12... Rc8 {LiveBook: 14 Games} 13. Ne5 $146 ({Predecessor:} 13. Qb3 Nb8 14. Nb5 Nc6 15. Ne5 Na5 16. Qd1 a6 17. Rxc8 Bxc8 18. Nc3 Nd7 19. Nxd7 Bxd7 {½-½ (27) Michalik,P (2546)-Horvath,C (2497) Slovakia 2018}) 13... Nxe5 14. Bxe5 {[#]} Ne4 $1 {[%mdl 512]} 15. Qd3 {[%cal Rc3e4]} (15. Nxe4 Rxc2) 15... f6 16. Bf4 {[%cal Rc3e4]} g5 17. Nxe4 gxf4 18. Nc3 {[%cal Be4c3,Bc3e2,Be2f4][%mdl 32]} Bd6 19. Qf3 fxg3 20. hxg3 f5 21. e3 Qg5 22. Ne2 Qg4 23. Qxg4+ fxg4 24. Nf4 Kf7 25. Rab1 Ba6 26. Bf1 Bxf1 27. Kxf1 Bxf4 28. exf4 $11 {[%mdl 4096] Endgame KRR-KRR} h5 29. Ke2 Kg6 30. Ke3 Kf5 31. Rh1 Rh8 32. Rh2 h4 33. Rxh4 Rxh4 34. gxh4 {KR-KR} Rh8 35. Rh1 Rh5 36. a4 a5 37. b3 Kf6 38. f3 g3 39. Rh3 $1 Ke7 40. f5 (40. Rxg3 $14 Rxh4 41. Rg7+ Kd6 42. Rb7) 40... exf5 {The position is equal.} 41. Rxg3 Rxh4 {[#] And now ...f4+ would win.} 42. Rg6 f4+ 43. Kf2 Rh2+ 44. Rg2 Rh1 {...Rb1 is the strong threat.} 45. Rg1 Rxg1 46. Kxg1 Kf6 47. Kg2 $1 Kg5 48. Kh3 $1 Kh5 $1 49. Kh2 {Precision: White = 74%, Black = 83%.} 1/2-1/2

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "1"]
[White "Bacrot, Etienne"]
[Black "Yu, Yangyi"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2683"]
[BlackElo "2744"]
[Annotator "TA"]
[PlyCount "87"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,-3,1,0,0,-21,-10,-18,-18,-16,-21,-17,-7,-33,0,-39,-39,-33,-35,-56,-56,-91,-74,-93,-103,-84,-64,-60,-47,-90,-83,-97,-81,-98,-70,-88,-46,-88,-68,-59,-35,-38,-40,-33,-37,-33,-45,-58,-33,-101,-11,-98,-92,-85,-38,-59,0,0,0,-34,-20,-20,-20,-14,-10,-29,-29,-29,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 Nf6 6. c5 Be7 {LiveBook: 34 Games} 7. Qa4+ {C01: French: Exchange Variation} (7. Nc3 b6 8. cxb6 axb6 9. Bd3 O-O 10. O-O Nc6 11. h3 Bb4 12. Bg5 Bxc3 13. bxc3 h6 14. Bh4 Ba6 {1-0 (59) Fressinet,L (2662)-Duda,J (2717) Katowice 2017}) 7... Bd7 8. Qb3 $146 ({Predecessor:} 8. Bb5 O-O 9. O-O Bf5 10. Re1 c6 11. Bf1 Nbd7 12. Nc3 h6 13. Bf4 Re8 14. h3 Ne4 {1-0 (61) Worek,J (2255)-Langrock,H (2393) Teplice 2017}) 8... b6 9. cxb6 axb6 10. Nc3 O-O 11. Be2 Nc6 12. O-O Bg4 {[%cal Bd7g4,Bg4h5,Bh5g6][%mdl 32] Black wants to play ...Bxf3.} 13. Qd1 Ne4 14. h3 Bh5 $36 {[%mdl 2048] Black is pushing.} 15. Nb5 Na5 16. g4 Bg6 17. Ne5 c6 18. Nc3 Nxc3 19. bxc3 Bd6 20. Nxg6 fxg6 21. Bd3 Ra7 22. Kg2 Raf7 23. Qe2 Qh4 {Strongly threatening ...Rf3!} 24. Qe6 Kh8 {[%cal Rf7f2]} 25. f4 $1 (25. Qxd6 {is a self mate.} Rxf2+ 26. Rxf2 Qxf2+ 27. Kh1 Qe1+ 28. Kg2 Rf2+ 29. Kg3 Rf1+ 30. Kh2 Qf2#) 25... Nb7 26. Qe2 g5 {[%cal Rg5f4]} 27. Qe1 Qxe1 ({Don't play} 27... Bxf4 28. Qxh4 gxh4 29. Bxf4 $16) 28. Rxe1 Bxf4 29. Bxf4 Rxf4 30. Rf1 {[#]} (30. Rab1 $15) 30... Nd6 (30... Rxf1 $1 $17 31. Bxf1 Ra8) 31. a4 {[#]} (31. Rxf4 $1 $11 gxf4 32. Re1) 31... Rxf1 $1 $17 32. Bxf1 {[%mdl 4096] Endgame KRB-KRN} Ne4 33. Rb1 Rb8 ({Black should try} 33... Nd2 $1 $15 34. Rd1 Nxf1 35. Rxf1 Rxf1 36. Kxf1 Kg8) 34. c4 $11 Nd2 35. Rc1 Nb3 36. Rd1 g6 37. cxd5 cxd5 38. Rd3 Na5 39. Re3 Nc4 40. Bxc4 {The position is equal.} dxc4 41. Rc3 b5 42. axb5 Rxb5 43. Rxc4 Rb3 44. Rc5 {Precision: White = 53%, Black = 60%.} 1/2-1/2

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "1"]
[White "Dubov, Daniil"]
[Black "Wei, Yi"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2678"]
[BlackElo "2671"]
[Annotator "TA"]
[PlyCount "137"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,137,0,2,-10,-10,-10,-7,-14,-4,-5,0,0,0,0,-10,-18,0,-10,0,0,20,24,11,18,17,19,23,3,19,18,34,40,41,47,41,56,72,62,63,20,33,0,0,4,6,-6,0,0,0,-184,0,0,0,0,0,-50,185,178,252,11,96,0,9,9,64,0,0,0,0,0,0,0,0,0,26,26,85,85,85,85,85,85,85,85,85,85,85,85,85,85,85,57,85,85,85,57,85,42,131,0,0,0,266,139,89,0,362,0,0,0,139,139,12840,139,12840,12840,12841,0,0,0,12843,12843,12844,12843,12843,12843,12844,12844,12845,12845]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 b6 5. cxd5 (5. b3 Bb7 6. Bb2 Nbd7 7. g3 Bd6 8. Bg2 O-O 9. O-O Re8 10. Rc1 a6 11. Qe2 dxc4 12. bxc4 b5 13. cxb5 axb5 14. Nxb5 Rxa2 {½-½ (21) Wei,Y (2743)-Giri,A (2752) Wijk aan Zee 2018}) 5... exd5 {LiveBook: 3 Games} 6. Bb5+ {A17: English Opening: 1...Nf6 with ...Bb4} c6 7. Be2 Bd6 8. O-O $146 {The position is equal.} ({Predecessor:} 8. b3 O-O 9. Bb2 Nbd7 10. Nd4 Bb7 11. Nf5 Bc7 12. O-O Nc5 {0-1 (27) Cherepkov,A-Taimanov,M Cheliabinsk (Russia) 1959}) 8... O-O 9. b3 Bb7 10. Bb2 Nbd7 11. Rc1 Re8 12. Re1 Rc8 13. Bf1 Qe7 14. g3 Ba3 15. Bxa3 Qxa3 16. Bh3 Qd6 17. d4 Rcd8 18. Nd2 g6 19. Bg2 Kg7 20. Qc2 Nf8 21. Qb2 Ne6 22. b4 h5 23. h4 Qe7 24. b5 c5 25. Nf3 cxd4 26. exd4 Ne4 27. Ne5 {[%cal Rc3e4]} Qf6 28. Nc6 Bxc6 29. bxc6 $2 (29. Nxe4 $11 {and White is okay.} dxe4 30. bxc6) 29... Qxd4 $2 ({Better is} 29... Nxd4 $19 30. c7 Rc8) 30. Bxe4 $11 dxe4 31. Rxe4 Qf6 $1 32. Rce1 Kg8 $2 (32... Rd3 $15 {keeps the upper hand.} 33. Re5 Nc7 34. Rxe8 Nxe8 35. Rxe8 Qxc3) 33. Re5 $1 $18 Qg7 (33... Rd4 {was called for.}) 34. Ne4 $2 (34. Qc2 $18) 34... Rd5 (34... Re7 $1 $11) 35. Ng5 (35. f4 $1 $16) 35... Rxe5 36. Rxe5 {Strongly threatening Qd4!} Rc8 (36... Nf8 $1 $11 37. Nf3 Qf6) 37. Nxe6 (37. Qc3 $1 $14) 37... fxe6 $14 {[%mdl 4096] Endgame KQR-KQR} 38. Qe2 Rxc6 39. Qe4 Rc4 40. Qe3 Rc6 41. Rg5 {Black must now prevent Qe4.} e5 42. Rxe5 Rf6 (42... Rc1+ $11 43. Kh2 (43. Qxc1 Qxe5 44. Qc6 Kf7 $11) 43... Rc7) 43. Re7 $16 Rf7 44. Qe6 $36 {[%mdl 2048] Black is under strong pressure.} Qf6 45. Qxf6 Rxf6 46. Rxa7 {KR-KR} b5 47. Ra3 b4 48. Rb3 Ra6 49. Rb2 Kf7 50. Kf1 Kf6 51. Ke2 Ra3 52. Kd2 Kf5 53. Kc1 Rc3+ (53... Ke5 $14) 54. Rc2 (54. Kb1 $16) 54... Rf3 $11 55. Rb2 Ke5 $2 {[%mdl 8192]} (55... Rc3+ $11 56. Kd2 Ra3) 56. Rxb4 $18 Rxf2 57. a4 $1 Ra2 $2 {[%mdl 8192]} (57... Rf3 $1 $11) 58. Kb1 $2 (58. Rb5+ $1 $18 Kd4 59. a5) 58... Ra3 $11 59. g4 hxg4 (59... Rg3 $11 {keeps the balance.}) 60. Rxg4 $16 Kd5 $2 {[%mdl 8192]} (60... Rd3 $16 61. a5 (61. Rxg6 Rd4 $16) 61... Rd6) 61. Kb2 $2 (61. a5 $1 $18 {and the rest is easy.} Rh3 62. a6 (62. Rxg6 Rxh4 63. Rg5+ Kc4 $11)) 61... Rh3 $2 {[%mdl 8192]} (61... Rf3 $16 62. a5 (62. Rxg6 Rf4 $14) 62... Rf6) 62. a5 $18 Kc5 {[#]} 63. a6 $2 (63. Ra4 $1 $18 {Hoping for a6.} Rd3 64. a6) 63... Rh2+ 64. Kb3 {And now a7 would win.} Kb5 $2 {[%mdl 8192] [#]} (64... Rh3+ $11 65. Ka4 Rh1) 65. Ra4 $1 {White is clearly winning.} ({Weaker is} 65. a7 Rh3+ 66. Kb2 Rh2+ 67. Kc3 Ra2 $18) 65... Rh3+ 66. Kb2 Rh2+ 67. Kc1 Rh1+ 68. Kd2 Rh2+ 69. Ke3 {Precision: White = 52%, Black = 33%.} 1-0

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "1"]
[White "Vidit, Santosh Gujrathi"]
[Black "Li, Chao b"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2654"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "88"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,88,20,11,12,14,16,15,16,16,40,0,25,20,8,16,15,19,41,40,41,31,30,33,34,0,0,-82,-86,-129,-131,-164,-182,-175,-178,-165,-174,-191,-190,-206,-203,-204,-202,-316,-308,-412,-418,-404,-415,-408,-408,-378,-322,-297,-307,-587,-571,-538,-531,-1004,-976,-12841,-12841,-12841,-12842,-12842,-12843]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 g6 5. O-O Bg7 6. e5 Ng4 7. Bxc6 dxc6 8. Re1 O-O 9. d3 Nh6 10. h3 Nf5 11. Ne4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (11. Bf4 Be6 12. Ne4 b6 13. c3 Bh8 14. g4 Ng7 15. d4 cxd4 16. Nxd4 Bd5 17. Bg5 Bxe4 18. Rxe4 Qc7 {1-0 (56) Bruzon Batista,L (2660)-Durarbayli,V (2630) Saint Louis 2017}) 11... b6 12. Bf4 Nd4 13. c3 {LiveBook: 3 Games. The position is equal.} Nxf3+ 14. Qxf3 Be6 15. Qe3 $146 ({Predecessor:} 15. Qg3 Qd5 16. h4 {0-1 (42) Reichenbach,W (2347)-Villing,D (2197) Bad Blankenburg 2006}) 15... Qd5 16. c4 Qd7 17. Bh6 Rfd8 18. Bxg7 Kxg7 19. Rad1 Qd4 20. Qg5 Rd7 21. Nc3 h6 22. Qg3 Bf5 23. Rd2 g5 ({But not} 23... Bxd3 $2 24. Red1 $18) 24. Qf3 Qf4 $36 {[%mdl 2048] Black fights for an advantage.} 25. Qxf4 (25. Qd1 $11) 25... gxf4 $17 26. Ne2 Rxd3 27. Rxd3 Bxd3 28. Nxf4 Bxc4 {[%mdl 4096] Endgame KRB-KRN} 29. b3 Bd5 30. Rd1 {[#]} e6 $1 31. Nh5+ Kg6 32. g4 {[#]} a5 $1 33. Nf6 (33. f4 $142) 33... a4 $19 34. h4 axb3 35. axb3 Bxb3 36. Rd6 Bd5 37. f4 Kg7 38. Kf2 b5 {[%cal Bb6b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 39. Ke3 $2 (39. Nh5+ Kf8 40. Nf6) 39... b4 {Black is clearly winning.} 40. Rd7 Rb8 {White must now prevent ...b3.} 41. f5 b3 {And now ...b2 would win.} 42. Nxd5 cxd5 43. fxe6 b2 44. Rxf7+ Kg8 {Precision: White = 49%, Black = 80%.} 0-1

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "1"]
[White "Shankland, Samuel"]
[Black "Bu, Xiangzhi"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2643"]
[BlackElo "2739"]
[Annotator "TA"]
[PlyCount "119"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,119,23,16,16,26,25,29,39,20,27,10,0,8,12,12,37,43,35,31,26,50,31,39,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,-19,-19,-19,-17,-19,-9,-9,-10,-11,0,-4,6,0,0,0,0,0,0,0,0,0,0,0,0,0,3,3,3,0,0,0,1,0,0,0,0,0,0,0,0,-73,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} exd4 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations} (11... Bf8 12. a3 h6 13. Bc2 Nb8 14. b3 Nbd7 15. Bb2 c5 16. d5 Bc8 17. a4 Rb8 18. axb5 axb5 19. Bd3 Nh5 20. Bf1 g6 21. Nh2 Ng7 22. Bd3 Nf6 {1-0 (49) Harikrishna,P (2744)-Ivanchuk,V (2726) Riadh 2017}) 12. cxd4 Nd7 13. Nf1 Na5 {White has an edge.} 14. Bc2 Bf6 15. Ne3 Bxe4 16. Bd2 {[#] Threatens to win with Bxe4.} Bxc2 17. Qxc2 {[#]} Nc4 $146 ({Predecessor:} 17... c5 18. Nd5 Rxe1+ 19. Rxe1 {½-½ (42) Gomez Garrido,C (2524)-Gledura,B (2605) Barcelona 2017}) 18. Nxc4 Rxe1+ 19. Rxe1 {And now Ne3 would win.} bxc4 20. Qxc4 Nb6 21. Qc6 Qd7 22. Rc1 {Black must now prevent Qxd7.} (22. Qb7 {is more complex.} Qc8 23. Qe4 Qd7 24. Rc1 a5 25. Qb7) 22... Qxc6 23. Rxc6 Nd5 24. Ba5 Ra7 25. Kf1 Kf8 26. g3 Ke7 27. Ke2 Kd7 28. Rc4 Rb7 29. b3 Rb5 30. Bd2 Nb6 31. Rc2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 32. Kd3 a4 33. b4 h5 34. a3 g6 35. g4 Be7 36. Rc1 Rd5 37. Be3 c6 38. Nd2 Rb5 39. Ne4 hxg4 40. hxg4 {Nc3 is the strong threat.} Nd5 41. Bd2 Rb8 42. Rh1 Nf6 43. f3 Nxe4 44. fxe4 $11 {[%mdl 4096] Endgame KRB-KRB} d5 45. exd5 cxd5 46. Bf4 Rc8 47. Be5 f6 48. Bf4 g5 49. Bg3 Rc6 50. Rb1 Bf8 51. Be1 {[#]} (51. Bb8 $11 {remains equal.}) 51... Bd6 (51... Re6 $1 $17) 52. Bd2 {The position is equal.} Rc8 53. Rh1 Be7 54. Rh7 Ke6 55. Rh6 Kd7 56. Rh1 Ke6 57. Rh6 Kd7 58. Rh7 Ke6 59. Rh1 Kd7 60. Rh7 {Precision: White = 78%, Black = 81%.} 1/2-1/2

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "2"]
[White "Ding, Liren"]
[Black "Shankland, Samuel"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2751"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "67"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,24,10,31,17,16,27,46,44,41,27,39,36,45,57,44,39,46,39,45,43,55,46,51,31,81,71,90,78,81,71,68,17,131,77,114,111,110,135,176,187,182,177,411,397,409,424,29985,29986,29986,29987,29995,29996]} 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. e3 Bf5 5. Nc3 a6 6. Qb3 Ra7 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} 7. Nh4 Bc8 8. Qc2 e6 9. Nf3 {LiveBook: 4 Games} Be7 $146 ({Predecessor:} 9... dxc4 10. Bxc4 c5 11. dxc5 Bxc5 12. e4 Nc6 13. O-O Nb4 14. Qe2 {1-0 (28) Vitiugov,N (2722)-Fedoseev,V (2718) St Petersburg 2017}) 10. e4 dxe4 11. Nxe4 Nbd7 12. Bd3 Nxe4 13. Bxe4 Nf6 14. Bd3 c5 15. dxc5 Bxc5 16. O-O O-O 17. Rd1 {Strongly threatening Bxh7+!} Qe7 18. Bg5 h6 19. Bh4 b6 20. Ne5 {Hoping for Nc6.} g5 21. Bg3 $36 {[%mdl 2048] White has strong initiative.} Bb7 22. Qe2 Raa8 23. Kh1 Rad8 24. f4 ({White should try} 24. a3 $14) 24... Rd4 {[#]} (24... Nd7 $1 $11 {remains equal.}) 25. fxg5 ({White should play} 25. b4 $1 {[%cal Rb4c5][%mdl 512]} Bxb4 26. Bh7+ $1 {[%mdl 512]} Kxh7 27. Rxd4) 25... hxg5 {[#]} 26. b4 $1 {[%mdl 512]} Bxb4 {[#]} 27. Bh7+ $1 Kxh7 28. Rxd4 {And now Rad1 would win.} Bc5 {[#]} 29. Rd3 $1 {aiming for Rad1.} Kg7 $2 (29... Be4 {keeps fighting.}) 30. Rf1 $18 Be4 {[#]} 31. Nc6 $1 {[%mdl 512]} Qb7 (31... Bxc6 $18 32. Be5 Rh8 33. Rxf6 (33. Bxf6+ Qxf6 34. Rxf6 Kxf6 $18) 33... Kf8 34. Rxf7+ Qxf7 35. Bxh8 Qf2 36. Qxf2+ Bxf2) 32. Be5 {White mates.} Qxc6 33. Bxf6+ Kg8 34. Rh3 {Precision: White = 83%, Black = 38%.} 1-0

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "2"]
[White "Yu, Yangyi"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2744"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "86"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,86,12,0,44,50,31,23,39,24,32,18,18,0,0,0,0,-47,121,115,160,165,227,59,90,81,45,56,174,-39,-40,-41,-36,-32,0,0,0,0,124,117,196,217,310,312,598,589,656,653,767,814,1115,1086,1112,813,5582,5616,4814,5310,5306]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bc1 Nf6 8. f3 e5 9. Nb3 Be6 10. Be3 Be7 11. Qd2 O-O 12. O-O-O Nbd7 13. g4 b5 14. g5 b4 15. Na4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (15. gxf6 bxc3 16. Qxc3 Nxf6 17. Na5 Rc8 18. Nc6 Qd7 19. Nxe7+ Qxe7 20. Qa5 Rc6 21. Rg1 Rfc8 22. Kb1 Nh5 {1-0 (39) Ponomariov,R (2699)-Navara,D (2737) Biel 2017}) 15... Nh5 16. Qxb4 {LiveBook: 7 Games} Bxg5 (16... d5 $5 17. Nac5 Nxc5 18. Bxc5 Bxc5 19. Nxc5 Qxg5+ 20. Kb1 Nf4 $15) 17. Bxg5 {White is slightly better.} Qxg5+ 18. Kb1 Qf6 19. Qxd6 Qxf3 20. Rg1 Qe3 $146 ({Predecessor:} 20... Nhf6 21. Nac5 Bxb3 22. Nxb3 Ra7 23. Bc4 Qxe4 24. Na5 g6 25. Rgf1 Kg7 26. Rd3 Qg2 27. Rdf3 Qg5 28. Nc6 Ne4 29. Rxf7+ {½-½ (27) Tomczak,J-Murza,A (2358) ICCF email 2016}) 21. Bxa6 {Black must now prevent Nac5.} Nhf6 ({Much weaker is} 21... Qxe4 $6 22. Nac5 $16) 22. Rge1 Qa7 23. Nbc5 Nxc5 $2 (23... Rfb8 $15 {stays ahead.}) 24. Nxc5 $16 Rfb8 {White should prevent ...Rb6.} 25. Nxe6 Rb6 (25... Qxa6 {might work better.} 26. Qxa6 Rxa6) 26. Qd8+ $2 ({White must play} 26. Qc7 $1 $18 Rxa6 27. Rd8+ Ne8 28. Qxa7 R6xa7 29. Rxa8 Rxa8 30. Nc5) 26... Ne8 $14 27. Nc7 $1 {[%cal Rc7a8]} Rxd8 28. Rxd8 $40 {[%cal Rd8e8][%mdl 128] White is up to no good.} Rb8 (28... h5 $1 $14 29. Nxe8 (29. Rxe8+ Kh7 $16) 29... Rxb2+ 30. Kc1 (30. Kxb2 Qb6+ 31. Bb5 Qxd8 $18) 30... Kh7 31. Kxb2 Qxa6) 29. Rxb8 $2 (29. Bc8 $18 {[%cal Rd8e8]} g6 30. Rxe8+ Kg7 31. Na6) 29... Qxb8 $15 30. Nxe8 Qxe8 $18 {[%mdl 4096] Endgame KQ-KRB} 31. Bc4 Qc6 {[%mdl 1024] Black has compensation.} 32. b3 Kf8 33. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Qc5 (33... Qd6 $11 {keeps the balance.}) 34. Rd1 Ke7 (34... Qa7 $16) 35. Kb2 Qe3 {[#]} (35... Qc7 {keeps fighting.} 36. Rd5 f6) 36. a5 $1 {[%cal Ra5a6]} Qxe4 $2 {[#]} (36... Qa7 {was called for.} 37. Rd5 f6) 37. a6 $1 {White is clearly winning.} Qe3 38. Bb5 Qc5 39. Rd7+ Ke6 40. a7 Qc8 {[#]} 41. Bc6 $1 {[%mdl 512]} f5 (41... Qxc6 42. Rd8) 42. Rxg7 Qxc6 43. Rg8 Kd5 {Precision: White = 80%, Black = 16%.} 1-0

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "2"]
[White "Bu, Xiangzhi"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2739"]
[BlackElo "2654"]
[Annotator "TA"]
[PlyCount "63"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,63,10,15,0,2,-8,-10,-39,-51,-83,-35,-50,-45,-43,-43,-50,-47,-51,-33,-45,-24,-21,-24,-25,-28,-26,-43,-36,-28,-26,-11,-11,-11,-8,-8,-20,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 h6 5. Bxf6 Qxf6 6. Nc3 Bb4 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. O-O cxd4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 11. Ne4 (11. Nxd4 Bd7 12. Qb3 Nc6 13. Nxc6 Bxc3 14. Rxc3 Bxc6 15. Bb5 Bd5 16. Bc4 Bc6 17. Bb5 {½-½ (17) Matlakov,M (2709)-Dubov,D (2694) Moscow 2018}) 11... Qe7 12. a3 Ba5 {[%cal Bb4a5,Ba5b6,Bb6d4][%mdl 32] LiveBook: 27 Games} 13. exd4 Rd8 14. Qe2 Nc6 15. Rfd1 Bb6 $146 {[%cal Rc6d4]} ({Predecessor:} 15... Bd7 16. Nc5 Be8 17. b4 Bb6 18. Qb2 a5 19. Rd2 axb4 {½-½ (19) Krstulovic,A (2252)-Baskin,R (2330) Warsaw 2017}) 16. Ng3 Bxd4 17. Nf5 exf5 18. Qxe7 Nxe7 19. Nxd4 Bd7 20. Nb5 b6 21. g3 g6 22. Nd6 Be6 23. Bxe6 fxe6 24. Nb5 Rxd1+ 25. Rxd1 $11 {[%mdl 4096] Endgame KRN-KRN} Nd5 26. Rc1 $1 a6 27. Nd4 $1 {The position is equal.} Kf7 28. Rc6 $1 Re8 29. Rd6 Kf6 {[#] White must now prevent ...Ke5.} 30. Nxe6 $1 {[%mdl 512]} Rxe6 31. Rxd5 Rc6 32. h4 {Precision: White = 68%, Black = 69%.} 1/2-1/2

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "2"]
[White "Wei, Yi"]
[Black "Bacrot, Etienne"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2671"]
[BlackElo "2683"]
[Annotator "TA"]
[PlyCount "68"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,0,0,54,38,47,37,79,80,82,75,101,54,38,41,37,49,56,21,83,86,111,77,120,119,175,108,106,98,248,255,253,243,235,243,245,255,237,215,215,212,200,206,250,85,282,272,260,238,340]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 Be7 5. b3 b6 6. Bb2 O-O 7. g3 Bb7 8. Bg2 Nbd7 9. O-O Ne4 10. Ne2 Bf6 {A14: English Opening: 1...e6 with b3 by White} 11. d4 {LiveBook: 8 Games} c5 ({Black should play} 11... dxc4 $11 12. bxc4 c5) (11... dxc4 12. bxc4 c5 13. Nf4 Nd6 14. Rc1 Rc8 15. Nh5 cxd4 16. Ba3 Bxf3 17. Qxf3 Be7 18. Bxd6 Bxd6 19. exd4 {½-½ (35) Howell,D (2663)-Svetushkin,D (2592) Jerusalem 2015}) 12. cxd5 exd5 {White is slightly better.} 13. Nf4 c4 $146 ({Predecessor:} 13... g6 14. Qe2 cxd4 15. Bxd4 Ndc5 16. Qb2 Ne6 17. Bxf6 Qxf6 18. Qxf6 Nxf6 19. Nxe6 fxe6 {½-½ (77) Sanal,V (2478)-Kilic,C (1883) Izmir 2016}) 14. Nd2 {[%cal Bf3d2,Bd2e4,Be4d6][%mdl 32]} cxb3 {[#]} 15. Nxd5 $1 {[%mdl 512]} Bxd5 16. Bxe4 (16. Nxe4 {is more complex.} Re8 17. Qd3 bxa2 18. Rfe1 Rc8 19. Nd6) 16... Bxe4 17. Nxe4 bxa2 18. Rxa2 a5 19. Qb3 Rc8 (19... Be7 $11) 20. Nd6 $16 Rc6 21. Nb5 Qa8 22. e4 Rfc8 (22... Be7 $16) 23. e5 (23. Ba3 $1 $18) 23... Be7 24. Ra4 Rc2 (24... Rd8 $16) 25. e6 $18 Nf6 26. exf7+ Kf8 {[#] With the idea ...Qd5.} 27. Ba3 $1 {[%cal Ra3e7]} Qe4 28. Nd6 Qd5 29. Qxd5 Nxd5 30. Nxc8 Rxc8 31. Re1 Kxf7 {[#]} 32. Re5 $2 (32. Bxe7 $1 $18 {is the precise move to win.} Nxe7 33. Kg2) 32... Rd8 $2 (32... Nc3 $16 {was called for.} 33. Rxe7+ Kf6) 33. Bxe7 Nxe7 34. d5 Nc8 {Precision: White = 71%, Black = 20%.} (34... Rxd5 {might work better.} 35. Rf4+ Ke8) 1-0

[Event "China vs World 2018"]
[Site "Liaocheng"]
[Date "2018.04.08"]
[Round "2"]
[White "Li, Chao b"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2656"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "52"]
[EventType "schev"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,52,3,0,22,0,15,27,16,0,6,0,0,0,88,76,97,43,98,83,83,49,104,24,31,22,25,4,43,35,37,5,5,6,6]} 1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. g3 d5 {[%cal Bd7d5,Bd5d4][%mdl 32]} 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 {E01: Catalan: Early deviations} 9. Bg5 Be7 10. e3 Bg4 11. Qd2 {LiveBook: 3 Games} O-O 12. exd4 (12. Bxc6 $5 bxc6 13. exd4 $11) 12... exd4 13. Bxc6 bxc6 14. Qxd4 {Hoping for Bxf6.} Qc8 15. Re1 Rd8 16. Qe3 {[#]} h6 $146 (16... Be6 $11 {keeps the balance.}) 17. Qxe7 $16 hxg5 18. N1d2 Bh5 ({Black should play} 18... a5 $14 19. Ne4 Nxe4 20. Qxe4 (20. Rxe4 a4 $16) 20... Qe6) 19. Qc5 Qh3 20. Qxg5 Rd3 ({Better is} 20... Ng4 $14 21. Nf1 Rd3) 21. Qh4 (21. f3 $16) 21... Qxh4 $11 22. gxh4 Rad8 23. Nf1 Rh3 24. Ng3 Rxh4 25. Nxh5 Nxh5 26. Rad1 Rxd1 {Precision: White = 60%, Black = 50%.} 1/2-1/2

