[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.11"]
[Round "1.1"]
[White "Li, Shilong"]
[Black "Zhao, Jun"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "2507"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,76,12,19,0,0,0,0,0,0,0,39,0,0,-18,26,26,27,12,23,-40,0,-42,-45,-48,0,-28,0,0,39,0,27,15,52,9,8,0,0,0,0,0,0,0,0,0,36,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O c5 8. Na4 cxd4 9. exd4 Re8 10. a3 Bf8 11. b4 {E43: Nimzo-Indian: Rubinstein: 4...b6} a5 12. b5 d6 13. Bg5 Nbd7 14. Re1 {[#]} Qc7 $146 ({Predecessor:} 14... h6 15. Bh4 Be7 16. Nd2 Rc8 17. Bf1 d5 18. Bg3 dxc4 19. Nxc4 {½-½ (44) Sadler,M (2625)-Kovalyov,A (2612) Barcelona 2011}) 15. Rc1 h6 16. Bh4 Nh5 (16... e5 $5 {[%cal Re5e4]} 17. Bb1 exd4 $11) 17. Nd2 g6 18. Nb3 e5 19. Bf5 ({Better is} 19. d5 $11) 19... Bxg2 20. Bxg6 fxg6 21. Kxg2 Bg7 22. Bg3 exd4 23. Nxd4 Ne5 24. Nc6 Nxg3 25. Nxe5 {Black must now prevent Qd5+.} Nf5 (25... dxe5 $6 26. hxg3 Rab8 27. c5 $16) 26. Qd5+ Kh7 $132 {[%mdl 2048] Black has counterplay} 27. Qc6 Qd8 28. Nf7 Nh4+ 29. Kf1 $1 Rxe1+ 30. Rxe1 Qf8 $1 {[%cal Rf8f7]} 31. Qd7 ({Reject} 31. Nxd6 Rd8 $17) 31... d5 32. Nxb6 {[%mdl 64] [#] Double Attack} Qxa3 {Strongly threatening ...Ra7!The position is equal.} 33. Nxa8 ({Don't blunder} 33. Ne5 $2 Rf8 $19) 33... Qd3+ {[%mdl 64] Double Attack} 34. Re2 Qd1+ 35. Re1 Qd3+ {[%mdl 64] [#] Double Attack} 36. Re2 {aiming for Ne5.} Qd1+ 37. Re1 Qd3+ {[%mdl 64] Double Attack} 38. Re2 {Threatens to win with Ne5.} Qd1+ {Accuracy: White = 50%, Black = 45%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.11"]
[Round "1.2"]
[White "Lu, Shanglei"]
[Black "Xu, Yi"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2606"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,0,9,11,16,6,13,22,10,5,24,-6,0,0,-5,-5,0,-61,-56,-52,-70,-56,-50,-87,-89,-147,-141,-140,-108,-99,-96,-129,-148,-146,-144,-157,-133,-158,-104,-114,-97,-109,-99,-99,-95,-90,-90,-152,-36,-44,0,-162,0,-36]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 {And now ...a4 would win.} 6. a4 {C24: Bishop's Opening: 2...Nf6} ({Wrong is} 6. Nxe5 $2 a4 $19) 6... Bb4+ 7. c3 Bd6 8. exd5 (8. Bg5 dxe4 9. dxe4 h6 10. Bh4 O-O 11. O-O Na6 12. Nbd2 Qe7 13. Nc4 Bc7 {½-½ (30) Karjakin,S (2760)-Wei,Y (2739) Medias 2017}) 8... Nxd5 9. O-O O-O 10. h3 $146 ({Predecessor:} 10. Re1 Bg4 11. Nbd2 Nd7 12. Nc4 Qf6 13. Bg5 Qg6 {0-1 (48) Petrov,N (2593)-Motylev,A (2644) St Petersburg 2018}) 10... Bc7 11. Re1 Re8 12. Na3 Bf5 13. Ng5 (13. Bg5 $11 f6 14. Bh4) 13... h6 14. Qf3 Bg6 $1 15. Ne4 Kh8 16. Bd2 Na6 17. Rad1 (17. g4 $142) 17... f5 $36 {[%mdl 2048] Black has strong initiative.} 18. Ng3 f4 19. Ne4 Nf6 20. g3 Nxe4 21. dxe4 Qf6 22. Bc1 Nc5 23. Bc2 Qf7 (23... Bf7 $142 24. Nb1 Be6) 24. Qe2 Rad8 25. Rxd8 Rxd8 26. Nc4 Bh5 27. g4 Bg6 28. Nd2 {[#]} (28. b3 $142) 28... Bb6 (28... Qa2 $1 $17 29. g5 Qf7 30. gxh6 Bh5) 29. Nc4 $15 Bc7 (29... Qc7 $15) 30. Nd2 $1 $19 {[#]} Bb6 (30... Qa2 $1 $19 31. g5 Qf7) 31. Nc4 {Accuracy: White = 61%, Black = 59%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.11"]
[Round "1.3"]
[White "Wen, Yang"]
[Black "Xu, Xiangyu"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2602"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,17,16,26,21,34,24,25,30,42,13,27,24,46,49,57,57,84,58,55,48,56,28,179,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 O-O 5. Be2 Re8 6. Nd3 Bxc3 7. dxc3 Nxe4 8. O-O d6 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 9. Re1 Nd7 10. Bf3 Ndf6 {White has an edge.} (10... Nec5 11. Be3 Nxd3 12. cxd3 Ne5 13. Be2 Qh4 14. Qb3 b6 15. Qd5 Bd7 16. Qd4 Qxd4 17. Bxd4 {½-½ (34) Mamedov,R (2709)-Bu,X (2730) Riadh 2017}) 11. c4 h6 12. h3 $146 ({Predecessor:} 12. b3 Bf5 13. Bb2 Rb8 14. h4 Qd7 15. Qc1 Bh7 16. Qf4 {1-0 (77) Kosteniuk,A (2549)-Ni,S (2399) Teheran 2017}) 12... a5 13. a4 Bd7 14. b3 Bc6 15. Bb2 Nh7 16. Re3 Qh4 17. Qe1 Nhg5 18. Bg4 h5 $2 (18... Nh7 $1 $11) 19. Be2 $2 (19. Bf5 $18) 19... Nc5 $11 {[#] And now ...Rxe3 would win.The position is equal.} 20. Bf1 Nxd3 21. cxd3 Re6 22. Rxe6 Nxh3+ 23. gxh3 Qg5+ 24. Kh2 Qf4+ 25. Kg1 Qg5+ 26. Kh2 Qf4+ 27. Kg1 {Accuracy: White = 65%, Black = 55%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.11"]
[Round "1.4"]
[White "Zhao, Yuanhe"]
[Black "Peng, Xiongjian"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2437"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,7,2,29,22,18,25,20,27,17,29,52,11,81,81,96,77,84,72,135,125,137,114,127,104,130,121,148,145,150,130,128,121,198,198,198,201,211,213,214,212,228,225,275,229,219,206,243,202,261,258,291,297,814,810]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O Bf5 5. d3 h6 6. Nbd2 e6 7. Qe1 Bh7 8. e4 Be7 9. Qe2 c5 {A07: Réti Opening: New York and Capablanca Systems} (9... O-O 10. Re1 a5 11. a4 Na6 12. Nb3 dxe4 13. dxe4 Bxe4 14. Be3 Nb4 15. Red1 Qc8 16. c3 Nc2 17. Rac1 Nxe3 18. Qxe3 Qc7 {0-1 (39) Hasangatin,R (2505)-Alekseev,E (2636) Sochi 2016}) 10. exd5 exd5 11. Re1 Nc6 {White has an edge.} 12. Ne5 Nd4 13. Qd1 O-O 14. Ndf3 Rc8 $146 (14... Ne6 $11) ({Predecessor:} 14... Nc6 15. Nxc6 bxc6 16. Ne5 Bd6 17. b3 Qc7 18. Bb2 Rae8 19. Nf3 Nd7 {½-½ (19) Bauza,A-Valkesalmi,K (2340) Mendoza 1985}) 15. Nxd4 $16 cxd4 16. Nf3 $36 {[%mdl 2048] Keeping Black busy.} Bb4 17. Re2 Qb6 ({Better is} 17... Bc5) 18. a3 Bd6 19. b4 {[%cal Bb2b4,Bb4a5][%mdl 32]} a5 20. bxa5 Qa7 21. Bd2 Rfe8 22. Bb4 Bc7 23. Rxe8+ Rxe8 24. Qb1 Bxa5 (24... Bf5 $16 {keeps fighting.} 25. Qb2 Bxa5 26. Nxd4 Bd7 27. Bxa5 Qxa5) 25. Bxa5 $18 Qxa5 26. Qb4 ({Don't play} 26. Nxd4 $6 Qc3 $16) 26... Ra8 {[#] Hoping for ...Qxb4.} 27. Qxb7 Bf5 28. Nxd4 Bc8 29. Qb2 Qa7 30. Nb3 Bd7 31. Qd4 Qc7 32. Nc5 Be8 33. Qb4 ({Worse is} 33. Bxd5 Ra5 $15) 33... Ra5 34. d4 Bb5 $2 {[#]} (34... Ra8 35. a4 Qa5) 35. Nb3 {Accuracy: White = 86%, Black = 32%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.11"]
[Round "1.5"]
[White "Liu, Yan"]
[Black "Xu, Jun"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2502"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,140,10,10,0,9,15,9,-4,-9,-15,0,-4,0,-22,-21,-35,-28,-31,42,34,77,24,58,41,86,80,76,72,78,69,75,60,70,65,98,83,127,121,124,96,102,109,131,120,118,122,128,118,122,137,196,175,178,121,112,121,114,119,145,131,132,92,112,101,95,97,193,207,223,228,217,196,191,137,138,145,154,146,170,102,99,64,21,16,23,16,16,17,21,17,23,15,58,58,58,52,51,37,37,37,68,61,72,0,0,0,0,0,8,8,8,8,8,8,29,7,20,7,11,0,0,0,0,0,0,0,0,0,0,0,13,0,0]} 1. Nf3 c5 2. b3 d5 3. e3 a6 4. Bb2 Nc6 5. g3 Bg4 (5... Nf6 6. Bg2 g6 7. d4 Bg7 8. O-O cxd4 9. Nxd4 O-O 10. Nxc6 bxc6 11. c4 Bg4 12. Qc2 Qd7 {0-1 (62) Anton Guijarro,D (2642)-Inarkiev,E (2693) St Petersburg 2018}) 6. h3 {A06: Réti Opening:1 Nf3 d5} Bh5 7. Bg2 e6 8. d3 $146 ({Predecessor:} 8. O-O Nf6 9. d3 Be7 10. Nbd2 O-O 11. g4 Bg6 12. Ne5 Nxe5 13. Bxe5 {½-½ (61) Bagirov,V (2460)-Lerner,K (2535) Berlin East 1989}) 8... Nf6 9. Nbd2 Be7 10. g4 Bg6 11. h4 h6 ({Much weaker is} 11... Nxg4 $6 12. h5 $16) 12. Ne5 Nxe5 13. Bxe5 Nd7 (13... Rc8 $15) 14. Bxg7 $14 Rg8 15. Bb2 (15. Bxh6 $16 {Strongly threatening g5.} Bxh4 16. Rb1) 15... Bxh4 16. Qf3 Bf6 17. Bxf6 $1 Qxf6 18. Qxf6 Nxf6 19. Bf3 (19. Rxh6 Nxg4 20. Rh4 Ne5 $11) 19... Rh8 {[#]} 20. g5 $1 $36 {[%mdl 2560] White has good play.} Ng8 (20... hxg5 21. Rxh8+) 21. Ke2 Rh7 22. Bh5 Rg7 23. gxh6 Nxh6 24. Bf3 Ng8 {[#]} 25. c4 $1 Rd8 26. cxd5 exd5 27. Rac1 b6 {[#]} 28. b4 $1 cxb4 29. Rc6 Rb8 (29... d4 $16 {is a better defense.}) 30. Bxd5 $18 Ne7 31. Rc7 (31. Rh8+ $18 Rg8 32. Rxg8+ Nxg8 33. Rxg6 fxg6 34. Bxg8) 31... Rh7 $16 32. Rxh7 Bxh7 33. Bb3 Bg6 34. Ra7 a5 35. Nc4 Nc8 36. Rc7 Kd8 37. Rc6 Ke7 (37... Rb7 $16) 38. Ne5 $18 Bh5+ 39. f3 {Threatens to win with Rh6.} Nd6 40. Rc7+ Ke8 41. Rc1 (41. e4 $18) 41... f6 $16 42. Rh1 Nf5 {...Ng3+ is the strong threat.} 43. Kf2 Ng7 44. Rg1 ({White should play} 44. Nc6 $18 Rc8 45. Ba4) 44... Rb7 45. Nc4 {Black must now prevent Nd6+.} Kf8 $1 46. e4 a4 {[%mdl 64] Decoy} 47. Bxa4 {aiming for Bc6.} b5 $1 {[%cal Rb5a4]} 48. Nd6 $1 {[%csl LRb5,LRb7]} Rd7 49. Nxb5 {And now d4 would win.} Rxd3 50. Bd1 Ne6 51. Be2 $1 {[%cal Re2d3]} Rd2 52. Ke3 Rxa2 53. Rb1 Be8 54. Bc4 Rc2 55. Bd3 Rc6 56. f4 (56. Rxb4 $16 Rb6 57. Rb1) 56... Rb6 $11 57. Nc3 Bc6 58. Bc4 Nc5 59. Nd5 Bxd5 $1 60. Bxd5 {[%mdl 4096] Endgame KRB-KRN} ({Of course not} 60. exd5 Ke7 $17) 60... Na4 61. Bb3 Nc5 62. Bc4 (62. Kd4 $5 {[%cal Rd4c5]} Nxb3+ 63. Rxb3 $14) 62... Na4 {The position is equal.} 63. Kd4 Nc3 64. Rb3 (64. Re1 {keeps more tension.} Ke7 65. e5 Rb8 66. Rh1 Rd8+ 67. Kc5) 64... Ke7 65. e5 fxe5+ 66. Kxe5 Na4 67. Rh3 Nc5 68. Rh7+ Kd8 69. Kd4 Ne6+ 70. Ke5 Nc5 {Accuracy: White = 65%, Black = 65%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.11"]
[Round "1.6"]
[White "Bai, Jinshi"]
[Black "Xu, Yinglun"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2605"]
[BlackElo "2528"]
[Annotator "RC"]
[PlyCount "58"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:01]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:02:10]} Be7 {[%emt 0:00:41]} 4. Nf3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:08]} 5. g3 {[%emt 0:02:25]} O-O {[%emt 0:03:34]} 6. Bg2 {[%emt 0:00:09]} dxc4 {[%emt 0:00:18]} 7. Ne5 {[%emt 0:01:34]} c5 {[%emt 0:00:24]} 8. dxc5 {[%emt 0:02:18]} Qxd1+ {[%emt 0:00:26]} 9. Nxd1 {[%emt 0:00:08]} Bxc5 {[%emt 0:00:12]} 10. Bd2 {[%emt 0:05:13]} Nc6 {[%emt 0:03:20]} 11. Nxc4 {[%emt 0:00:15]} Bd7 {[%emt 0:01:41]} 12. Rc1 {[%emt 0:07:55]} Rac8 {[%emt 0:03:23]} 13. Nc3 {[%emt 0:03:30]} Rfd8 {[%emt 0:07:58]} 14. O-O {[%emt 0:04:15]} Be7 {[%emt 0:00:48]} 15. b3 {[%emt 0:04:45]} Be8 {[%emt 0:03:28]} 16. Rfd1 {[%emt 0:03:49]} b6 {[%emt 0:00:36]} 17. Be1 {[%emt 0:11:21]} Rxd1 {[%emt 0:03:40]} 18. Rxd1 {[%emt 0:00:07]} Rd8 {[%emt 0:00:04]} 19. Rxd8 {[%emt 0:00:59]} Nxd8 {[%emt 0:00:10]} 20. f4 {[%emt 0:02:08]} Kf8 {[%emt 0:00:24]} 21. e4 {[%emt 0:02:32]} Bc5+ {[%emt 0:01:12]} 22. Bf2 {[%emt 0:01:04]} Bb4 {[%emt 0:02:56]} 23. Be1 {[%emt 0:05:34]} Bc5+ {[%emt 0:00:05]} 24. Bf2 {[%emt 0:03:13]} Bb4 {[%emt 0:00:05]} 25. Be1 {[%emt 0:00:46]} Bc5+ {[%emt 0:00:04]} 26. Bf2 {[%emt 0:00:32]} Bb4 {[%emt 0:00:10]} 27. Be1 {[%emt 0:00:05]} Bc5+ {[%emt 0:00:04]} 28. Bf2 {[%emt 0:00:04]} Bb4 {[%emt 0:00:04]} 29. Be1 {[%emt 0:00:15]} Bc5+ {[%emt 0:00:03]} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.12"]
[Round "2.1"]
[White "Zhao, Jun"]
[Black "Xu, Yinglun"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2621"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,124,14,4,6,8,0,-15,-7,0,27,0,0,0,0,0,0,-8,-8,-31,-27,-42,-7,-19,-26,-20,0,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,-5,-20,0,0,0,0,0,0,0,0,0,0,0,0,25,17,17,11,14,4,23,14,2,0,4,0,14,14,14,14,14,0,0,0,0,0,0,0,0,0,4,4,4,0,4,4,4,0,0,0,4,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. Qc2 Bd6 7. Bg3 Ne7 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} 8. e3 Bf5 9. Qb3 {[#] Black must now prevent Bxd6.} (9. Bd3 Bxd3 10. Qxd3 O-O 11. Nf3 Re8 12. Ng5 g6 13. Bxd6 Qxd6 14. h4 Qf6 15. O-O-O {½-½ (59) Dreev,A (2710)-Jakovenko,D (2729) Apatity 2011}) 9... Bxg3 10. hxg3 Qb6 11. Nf3 Nd7 12. Nh4 Qxb3 13. axb3 {[#]} a6 $146 ({Predecessor:} 13... Be6 14. b4 O-O 15. Bd3 {½-½ (49) Gulko,B (2615)-Lputian,S (2590) Glendale 1994}) 14. b4 O-O-O 15. Nf3 Kb8 16. Nd2 Nb6 17. Be2 h6 18. g4 Bc8 19. Nb3 Rhf8 20. Nc5 Ng8 21. f3 Nf6 22. b3 Rfe8 23. Kd2 Re7 24. Rae1 Na8 {[%cal Bb6a8,Ba8c7,Bc7e6][%mdl 32]} 25. Bd3 Rde8 26. Nd1 {[%cal Bc3d1,Bd1f2,Bf2d3,Bd3f4][%mdl 32]} Nc7 27. Nf2 Ne6 28. Bc2 Kc7 29. Nfd3 Nf8 30. Nf4 Ne6 31. Nfd3 Nf8 32. Nf4 Ne6 33. Nh5 Nxh5 34. gxh5 Ng5 35. Rhg1 Rd8 36. f4 Ne6 37. g4 f6 38. Rg3 Rh8 39. Reg1 Nd8 40. Bg6 b6 41. Na4 Nb7 42. Nc3 Nd6 43. Bd3 Nb5 (43... Rhe8 {is interesting.} 44. Ke2 Kb8 45. Kf2 Kb7 46. Rf1 Bd7) 44. Bxb5 axb5 {The position is equal.} 45. Ra1 Kb7 46. Kd3 Be6 47. Rg2 Ra8 48. Rxa8 Kxa8 $11 {[%mdl 4096] Endgame KRB-KRN} 49. g5 Bf5+ 50. Kd2 fxg5 51. fxg5 hxg5 52. Rxg5 Bh7 53. Ne2 Kb7 54. Nf4 Kc8 55. Rg1 Bf5 56. Rc1 Kb7 57. Ke2 Rf7 58. Rg1 Kc7 59. Kf2 Kd6 60. Ra1 g5 61. hxg6 Bxg6 62. Rh1 {[#] Threatens to win with Rh6.} Rh7 {Accuracy: White = 74%, Black = 74%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.12"]
[Round "2.2"]
[White "Xu, Jun"]
[Black "Bai, Jinshi"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2487"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,88,11,17,0,9,16,12,17,10,12,4,7,8,0,0,0,0,0,0,0,0,4,0,6,0,-3,-4,-8,0,-21,-19,-19,-5,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4,Bc4d2][%mdl 32]} 8. Nf3 O-O $146 ({Predecessor:} 8... c5 9. Be2 {½-½ (71) Sadzikowski,D (2541)-Navara,D (2737) Czech Republic 2017}) 9. Be2 c5 {The position is equal.} 10. O-O {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Nb6 11. Qa3 cxd4 12. cxd4 Bg4 13. Bg5 Bxf3 14. Bxf3 Nc4 15. Qb4 Qxd4 16. Rad1 Qc3 $1 {[%cal Rc3b4]} 17. Qxc3 Bxc3 18. Bxe7 Nd2 19. Bxf8 Kxf8 20. Rc1 Nxf1 21. Rxc3 $11 {[%mdl 4096] Endgame KRB-KRN} Nd2 22. Rc7 a5 23. e5 Nxf3+ 24. gxf3 {KR-KR} Re8 25. Rxb7 Rxe5 26. Ra7 Kg7 27. Ra6 h5 28. Kg2 Rg5+ 29. Kh3 Kh6 30. Rf6 Kg7 31. Ra6 Rf5 32. Kg3 g5 33. h4 f6 34. hxg5 Rxg5+ 35. Kh3 Kg6 36. Ra8 Rd5 37. Kg3 Kf5 38. Ra6 Kg5 39. f4+ Kg6 {And now ...Rd3+ would win.} 40. f3 Rb5 41. Ra7 Rf5 42. Kg2 Rd5 {[#] Strongly threatening ...Rd2+.} 43. Kg3 Rf5 44. Kg2 Rd5 {Accuracy: White = 88%, Black = 73%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.12"]
[Round "2.3"]
[White "Peng, Xiongjian"]
[Black "Liu, Yan"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2451"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,104,47,54,65,65,65,65,65,65,56,56,64,63,64,61,58,58,85,91,101,93,96,93,106,103,109,109,128,109,109,109,109,120,129,129,132,126,127,125,133,129,133,125,119,51,85,0,120,109,123,123,114,50,94,34,144,0,0,0,0,0,0,0,0,0,0,0,0,-370,0,-2,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Be6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} 14. Bxc5 dxc5 15. Nd5 Bxd5 {White is slightly better.} 16. exd5 {And now d6 would win.} Qd6 17. c4 O-O 18. Bh3 Rfe8 19. Rfe1 {[#]} b5 $146 ({Predecessor:} 19... Re7 20. Re3 b6 21. a3 {½-½ (51) Adams,M (2727)-Spoelman,W (2586) Germany 2018}) 20. b3 b4 21. Re2 a5 22. Rde1 a4 23. Qb2 axb3 24. axb3 Ra3 25. Bf5 Kf8 26. Bc2 Ra7 27. Rxe5 Rxe5 28. Rxe5 Re7 {[#]} 29. Rxe7 $1 Qxe7 30. Qa1 g6 31. Bd3 Kg8 32. Kg2 h5 33. Qa6 Kg7 34. Qc6 (34. Qa5 $16) 34... Ng4 35. Qc8 (35. Qa4 $16) 35... Ne5 (35... Nxf2 $1 $11 36. Kxf2 Qf6+ 37. Kg2 Qb2+ 38. Kf1 Qa1+ 39. Kf2 Qd4+ 40. Ke2 Qb2+ 41. Ke3 Qd4+ 42. Ke2 Qb2+ 43. Kf3 Qf6+ 44. Kg2 Qb2+ 45. Kf3 Qf6+ 46. Kg2) 36. Be2 $16 f6 37. h4 Nf7 {[#]} 38. Bd3 (38. Bf3 $1 $16) 38... f5 39. Kf1 (39. Qa6 $16) 39... Qf8 (39... Ne5 $14 40. Be2 f4) 40. Bxf5 (40. Qxf8+ $16 Kxf8 41. Ke2) 40... gxf5 $11 41. Qxf5 Qe7 42. g4 Qe5 43. Qc8 ({Reject} 43. Qxh5 Qc3 $17) (43. Qxe5+ $2 Nxe5 44. f3 (44. gxh5 $2 Nxc4 45. Kg2 Nd6 $19) 44... Nxf3 $17) 43... Qd4 44. gxh5 Qd3+ 45. Kg2 Qe4+ 46. Kg3 $2 {[%mdl 8192]} (46. Kf1 $11 {and White is okay.}) 46... Qe5+ $2 ({Black should try} 46... Ne5 $19 {Strongly threatening ...Qf3+.} 47. h6+ Kh7) 47. Kh3 {The position is equal.} Qc3+ 48. Kg2 Qxb3 49. Qg4+ Kf8 50. Qc8+ Kg7 51. Qg4+ Kf8 52. Qc8+ Kg7 {Accuracy: White = 60%, Black = 54%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.12"]
[Round "2.4"]
[White "Xu, Xiangyu"]
[Black "Zhao, Yuanhe"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2583"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,71,-6,-1,-4,0,0,10,10,10,5,8,16,9,12,21,14,22,26,22,2,12,12,11,0,0,0,0,0,0,0,0,0,0,0,20,26,24,62,193,170,173,173,167,162,189,160,442,214,210,226,212,193]} 1. d4 Nf6 2. Nf3 g6 3. c4 c5 4. g3 cxd4 5. Nxd4 Bg7 6. Bg2 O-O 7. O-O Nc6 8. Nc3 Nxd4 9. Qxd4 d6 10. Qd2 Be6 11. Bxb7 Rb8 12. Bf3 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4} (12. Bg2 Bxc4 13. b3 Ba6 14. Bb2 Qa5 15. Rfd1 Rfc8 16. Rac1 Rc7 17. Ne4 Qxd2 18. Rxd2 Rxc1+ 19. Bxc1 Rc8 20. Nxf6+ Bxf6 {½-½ (54) Kovalenko,I (2653)-Khalifman,A (2613) Tallinn 2015}) 12... Bxc4 13. b3 Nd5 14. Bb2 {The position is equal.} Nxc3 15. Bxc3 Bxc3 16. Qxc3 Be6 $146 ({Predecessor:} 16... Ba6 17. h4 Qb6 18. Rfc1 Rfc8 19. Qd2 Bb7 {½-½ (31) Bilek,I-Bolbochan,J Havana 1966}) 17. Rfc1 Rc8 18. Qd2 Qb6 19. h4 Qb5 20. h5 Qe5 21. h6 a5 22. Rab1 f6 23. a3 Rxc1+ 24. Rxc1 Bxb3 25. Rc3 $36 {[%mdl 2048] White is more active.} a4 26. Re3 Qg5 27. Qb4 Rc8 28. Rxe7 {Black must now prevent Qb7!} Qxh6 {( -> ...Rc1+)} 29. Kg2 Kh8 ({Better is} 29... Bf7 $1 $14) 30. Qxd6 Qf8 31. Bc6 Rd8 ({But not} 31... Rxc6 $2 32. Rxh7+ $1 {[%mdl 512]} Kxh7 33. Qxf8 $18) 32. Qc7 Bg8 33. e4 Rd2 $2 {[#]} (33... Rc8 $16 {was necessary.} 34. Qd6 Rd8) 34. Bxa4 (34. Bd5 $142 $1 {[%mdl 512]}) 34... Qd8 $18 35. Qxd8 Rxd8 36. Re8 {Accuracy: White = 68%, Black = 55%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.12"]
[Round "2.5"]
[White "Xu, Yi"]
[Black "Wen, Yang"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2546"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,20,16,15,23,18,26,18,18,18,25,32,18,8,14,0,0,0,4,7,22,-20,-26,-145,-150,-150,-139,-128,-145,-186,-154,-186,-170,-201,-189,-166,-185,-168,-89,-56,-34,-34,-14,-43,-8,-8,-8,-18,0,0,0,0,0,0,-12,-189,0,-5,0,0,0,0,0,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,482,-135,0,-633,-548,-29986,-29987,-29986,-1024]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 e5 7. Be3 b6 8. a4 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (8. Nc3 Ne7 9. Qd2 h6 10. h4 Qc7 11. Nh2 Be6 12. f4 exf4 13. Bxf4 Be5 14. Bxe5 Qxe5 15. O-O-O O-O-O 16. Nf3 Qc7 {½-½ (64) Bacallao Alonso,Y (2588)-Priasmoro,N (2498) Batumi 2018}) 8... a5 9. Nbd2 Qc7 10. Nc4 {White has an edge.} Be6 11. b3 $146 ({Predecessor:} 11. Nfd2 Bh6 12. Qf3 Bxe3 13. Qxe3 Nf6 14. Qg3 Nd7 15. O-O f6 16. f4 exf4 17. Qxf4 Qxf4 18. Rxf4 {0-1 (48) Erzhanov,A (2371)-Konovalov,N (2436) Moscow 2009}) 11... h6 12. O-O Ne7 13. Qd2 f5 14. Qe1 O-O 15. exf5 gxf5 16. Ncxe5 Rae8 17. Rd1 Nd5 18. d4 (18. Bc1 $1 $11) 18... f4 $17 19. Bc1 cxd4 20. Rxd4 Bf5 $1 {[%csl LRc2,LRe5][%cal Rg7e5]} 21. c4 Rxe5 22. Nxe5 Bxe5 ({Don't play} 22... Qxe5 23. Qxe5 Bxe5 24. Rd2 $17) 23. Rd1 Nb4 24. Qe2 Qg7 {Strongly threatening ...Bxh3.} 25. Qf3 Nc2 (25... c5 $1 $19 26. Rfe1 Bb8) 26. Bxf4 Bxf4 27. Qxf4 {[#]} Bd3 $1 {[%mdl 576] Discovered Attack} 28. Qxf8+ $1 (28. Rxd3 Rxf4) 28... Kxf8 (28... Qxf8 {looks sharper.} 29. Rxd3 c5 30. Rg3+ Kh7 31. Rd1 Nd4) 29. Rxd3 Nd4 30. Re1 c5 31. Re4 $1 Qg6 32. Rde3 Qd6 33. Re5 Kf7 34. R5e4 $2 {[#]} (34. Rd5 $11 {and White stays safe.} Qc7 35. g3) 34... h5 $2 (34... Nxb3 $1 $19 {[%mdl 512]} 35. Rf3+ (35. Rxb3 Qd1+) 35... Kg8 36. Rg4+ Kh8) 35. Re5 $11 Qg6 36. Re7+ Kf6 {aiming for ...Nf3+!} 37. R7e4 Qf5 38. Re8 {And now Rf8+ would win.} Qb1+ 39. Kh2 Qb2 40. Rf8+ Kg7 41. Rf4 h4 42. Re7+ Kg6 43. Re8 Kg7 44. Re7+ Kg6 45. Re8 Kg5 46. Ref8 {Intending Rg4+ and mate.} Ne2 47. Rg4+ Kh5 $2 {[%mdl 8192] [#]} (47... Kh6 $11 {and Black has nothing to worry.} 48. Re8 (48. Rxh4+ Kg7 $11) 48... Kh7) 48. Rf5+ $2 (48. Re8 $1 $18 {Black must now prevent f4.} Kh6 49. f4 (49. Rxh4+ Kg5 $11)) 48... Kh6 49. Rxh4+ $2 {[%mdl 8192] [#]} (49. Re4 $11) 49... Kg6 $1 $19 {[%mdl 512] ( -> ...Qc1)} 50. Rf8 Qa1 {[%csl Ge2][%cal Ra1g1]} 51. Rg4+ Kh5 {Accuracy: White = 53%, Black = 52%.} (51... Kh7 $142 52. Rf7+ Kh6 53. Rh4+ Kg6 54. Rg7+ {[%mdl 64] Decoy} Kxg7 55. Rg4+ Kf6 56. Rf4+ Ke5 57. Re4+ {[%mdl 64] Decoy} Kxe4 58. f3+ Kf4 59. g3+ Nxg3 60. Kg2 Qh1+ 61. Kf2 Qf1#) 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.12"]
[Round "2.6"]
[White "Li, Shilong"]
[Black "Lu, Shanglei"]
[Result "1/2-1/2"]
[ECO "D63"]
[WhiteElo "2507"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,57,20,8,23,12,7,8,18,12,12,10,10,9,9,9,8,16,20,0,0,0,0,0,0,0,0,0,0,0,10,8,6,2,6,4,11,0,8,0,18,0,7,0,16,0]} 1. d4 Nf6 ({Predecessor:} 1... d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 {1-0 (50) Bacallao Alonso,Y (2591)-Gonzalez Vidal,Y (2546) Merida 2017}) 2. c4 e6 3. Nc3 d5 4. Bg5 Nbd7 5. e3 h6 6. Bh4 Be7 7. Nf3 O-O 8. Rc1 c5 {D63: Queen's Gambit Declined: Classical: 7 Rc1} 9. cxd5 $146 (9. dxc5 Nxc5 10. cxd5 g5 11. Bg3 Nxd5 12. Nxd5 Qxd5 13. Qxd5 exd5 14. Nd4 Bd7 15. Be2 Rac8 16. O-O {½-½ (31) Ivanchuk,V (2710)-Yu,Y (2765) Batumi 2018}) 9... Nxd5 {The position is equal.} 10. Bxe7 Nxe7 11. Bb5 cxd4 12. Qxd4 Nf6 13. O-O Qxd4 14. Nxd4 Rd8 15. Rfd1 Bd7 16. Bxd7 Rxd7 17. Ndb5 Rxd1+ 18. Rxd1 a6 19. Nd6 b5 20. Kf1 Kf8 21. Ke2 Ned5 22. Nxd5 Nxd5 $11 {[%mdl 4096] Endgame KRN-KRN} 23. Rc1 Ke7 24. Ne4 Ra7 25. a3 a5 26. Nc3 Nc7 27. Ne4 Nd5 28. Nc3 Nc7 29. Ne4 {Accuracy: White = 43%, Black = 60%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.13"]
[Round "3.1"]
[White "Lu, Shanglei"]
[Black "Zhao, Jun"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2606"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,61,25,18,33,0,12,0,31,34,31,19,41,25,50,16,16,16,22,16,15,16,27,23,40,27,50,31,35,38,47,27,46,18,18,18,18,18,19,-11,0,0,0,-21,0,-19,-17,-42,-42,-45,-23,-42,-42,-46]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 {B11: Caro-Kann: Two Knights Variation} 7. Qh4 Qe6+ 8. Be2 Qg4 {The position is equal.} 9. Qg3 Qxg3 10. hxg3 g6 11. d4 Bg4 $146 ({Predecessor:} 11... Bg7 12. Bh6 Bf6 13. Ne5 Be6 14. O-O-O {½-½ (46) Bacrot,E (2708)-Topalov,V (2749) Paris 2017}) 12. Bc4 {[#] Ne5 is the strong threat.} Bxf3 13. gxf3 e6 14. a4 Bg7 15. c3 Nd7 16. a5 O-O 17. Bg5 Nf6 18. O-O-O Nd5 19. Kc2 Rfc8 20. Be3 Rd8 21. f4 h5 22. Bd3 Rac8 23. Be4 Rd7 24. c4 Bf6 25. Kb3 Ne7 26. Rd3 b5 27. axb6 axb6 28. Rhd1 b5 29. cxb5 $1 Rb8 30. Kc2 Rxb5 31. Rb3 {Accuracy: White = 41%, Black = 49%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.13"]
[Round "3.2"]
[White "Wen, Yang"]
[Black "Li, Shilong"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2602"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,12,10,10,11,17,23,18,16,9,18,8,17,16,10,19,26,23,27,18,47,42,45,41,58,54,88,73,112,113,155,96,212,221,228,214,177,179,351,343,486,480,547,556,562,553,554]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 {B91: Sicilian Najdorf: 6 g3} Nbd7 10. Nec3 Nb6 11. Nxf6+ {White has an edge.} Bxf6 12. b3 $146 ({Predecessor:} 12. O-O O-O 13. b3 b4 14. Nd5 Nxd5 15. Qxd5 Be6 16. Qd3 Qc7 {0-1 (57) Giri,A (2782)-Vachier Lagrave,M (2789) Leuven 2018}) 12... Qc7 13. Qd3 O-O 14. Ba3 Be7 15. O-O Bd7 16. Nd1 a5 17. Ne3 Rac8 18. Rfd1 {[%cal Ra3d6]} b4 19. Bc1 Qc5 20. Qe2 a4 21. Qe1 d5 22. exd5 ({Resist} 22. Nxd5 Nxd5 23. Rxd5 Qc7 $14) 22... f5 23. a3 (23. d6 $142 Bxd6 24. a3 axb3 25. axb4 Qxb4 26. c3 $1 {[%mdl 576] Promotion}) 23... f4 {[#]} (23... Qd6 $16 {was worth a try.}) 24. d6 $1 $18 {[%mdl 512]} Bxd6 25. axb4 Qxb4 {[#]} 26. c3 $1 $36 {[%cal Rc3b4][%mdl 2560] White is in control.} Qxb3 $2 (26... Qc5) (26... Qxc3 27. Qxc3) 27. Rxd6 {Nd5 is the strong threat.} fxe3 (27... Rf7 $142 28. Nd1 f3) 28. Bxe3 {White is clearly winning.} Rf6 29. Rxf6 gxf6 30. Rb1 Qxc3 {Accuracy: White = 92%, Black = 32%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.13"]
[Round "3.3"]
[White "Zhao, Yuanhe"]
[Black "Xu, Yi"]
[Result "1/2-1/2"]
[ECO "E27"]
[WhiteElo "2437"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,22,50,64,60,51,95,81,100,89,79,81,74,72,77,52,116,108,150,137,127,32,93,98,107,0,0,0,113,107,107,122,133,153,147,138,181,169,167,174,164,171,180,111,175,172,165,0,0,0,0,0,8,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. g3 dxc4 6. Bg2 c6 7. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} Bxc3+ 8. bxc3 O-O 9. a4 $146 {E27: Nimzo-Indian: Sämisch: 5...0-0 6 f3} ({Predecessor:} 9. O-O Nbd7 10. Nd2 Nd5 11. Qc2 b5 12. a4 a5 13. e4 Ne7 14. Ba3 Nb6 15. Rfb1 Ba6 16. axb5 cxb5 17. e5 Nbd5 18. Bxe7 Qxe7 19. Rxa5 {1-0 (52) Galliamova,A (2434)-Kashlinskaya,A (2450) Novi Sad 2016}) 9... Qa5 10. Qc2 Qf5 {[#]} 11. Qa2 $1 {White is better.} Nbd7 12. Qxc4 e5 13. a5 e4 14. Nd2 Re8 15. O-O Nd5 (15... Qh5 $14) 16. a6 $16 Qg6 17. axb7 Bxb7 18. Nb3 (18. Qb3 $16 Bc8 19. c4) 18... N7b6 (18... a5 $1 $14 19. Nc5 (19. Rxa5 N7b6 $11) (19. Nxa5 Ba6 $11) 19... Bc8) 19. Qc5 Nd7 20. Qc4 N7b6 21. Qc5 Nd7 {[#]} 22. Qa5 $1 N7b6 23. e3 Bc8 24. Nd2 Bg4 25. Re1 f5 26. c4 Nf6 27. h3 Bh5 28. Qc3 c5 29. d5 ({White should try} 29. Ra5 $18) 29... Nbd7 (29... a5 $16 {might work better.}) 30. Bb2 $18 Ne5 31. Qxe5 $2 (31. Bf1 $18) 31... Rxe5 $11 {The position is equal.} 32. Bxe5 Nd7 33. Bc3 Qd6 34. Reb1 Rb8 35. Rc1 {Accuracy: White = 61%, Black = 35%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.13"]
[Round "3.4"]
[White "Liu, Yan"]
[Black "Xu, Xiangyu"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2502"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,50,24,3,12,14,25,21,27,25,33,0,0,-6,0,0,0,0,0,-12,0,0,0,-8,0,-18,-15,-19,-6,-17,0,-10,0,-21,0]} 1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Nc3 Nbd7 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 11. Be2 b5 12. Nd2 Bb7 13. Nb3 Bb6 {[#]} 14. Bd2 $146 ({Predecessor:} 14. a4 b4 15. a5 bxc3 16. axb6 cxb2 17. Bxb2 Nxb6 18. Na5 Bd5 19. f3 e5 20. Bxe5 {1-0 (34) Izoria,Z (2594)-Durarbayli,V (2627) chess.com INT 2017}) 14... O-O {The position is equal.} 15. Be1 Rac8 16. Rac1 Nc5 17. Nxc5 Bxc5 18. Bd3 Nd5 19. Nxd5 Bxd5 20. Bb1 Bb6 21. Bb4 Rfd8 22. Be7 Re8 23. Bd6 Red8 {[#] ...Rxc1 is the strong threat.} 24. Be7 Re8 25. Bd6 Red8 {Accuracy: White = 54%, Black = 21%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.13"]
[Round "3.5"]
[White "Bai, Jinshi"]
[Black "Peng, Xiongjian"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "2605"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,90,16,0,9,12,8,0,6,10,12,4,3,3,3,6,14,14,14,14,14,14,12,11,14,10,8,8,12,0,0,0,0,-2,0,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. c4 c6 6. Qb3 {The position is equal.} a5 {[%cal Ba7a5,Ba5a4][%mdl 32] D73: Fianchetto Grünfeld: 5 Nf3} 7. cxd5 a4 8. Qd1 cxd5 9. O-O Nc6 $146 ({Predecessor:} 9... Ne4 10. Nc3 {0-1 (40) Vitiugov,N (2734)-Wei,Y (2724) Ningbo 2015}) 10. Nc3 Ne4 11. e3 O-O 12. Nxa4 Qa5 13. Nc3 $1 Nxc3 14. bxc3 Qxc3 15. Bd2 Qa3 16. Qb3 Rd8 17. Rfc1 h5 18. h4 e6 19. Bc3 Bf8 20. Ne1 Bd7 21. Nd3 Be8 22. Bf1 ({Don't go for} 22. Qxb7 $2 Rab8 $19) (22. Qd1 {feels hotter.} Rdc8 23. Rab1 Na7 24. Nc5 Nb5 25. Bb4) 22... Ra7 23. Qxa3 Bxa3 24. Rcb1 Ne7 25. Bb4 Bc6 26. Bxa3 Rxa3 27. Nc5 Rb8 28. Bb5 Rba8 29. Bxc6 Nxc6 30. Rxb7 Rxa2 31. Rxa2 Rxa2 $11 {[%mdl 4096] Endgame KRN-KRN} 32. Rb6 Na5 33. Ra6 Ra1+ 34. Kg2 Nb3 35. Rxa1 Nxa1 {KN-KN} 36. Kf3 Nc2 37. Kf4 Ne1 38. e4 dxe4 39. Kxe4 Nc2 40. Nd3 Na3 41. d5 exd5+ 42. Kxd5 Nb5 43. Kc5 Nc3 44. Kd4 Nb5+ 45. Kc5 Nc3 {Accuracy: White = 69%, Black = 84%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.13"]
[Round "3.6"]
[White "Xu, Yinglun"]
[Black "Xu, Jun"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2528"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,95,26,19,30,14,31,31,27,35,33,15,17,0,0,12,24,22,14,20,20,6,26,31,89,26,113,112,112,104,108,110,108,108,106,101,109,97,135,146,159,116,196,203,197,189,204,201,204,198,216,217,249,250,248,246,252,242,283,280,304,276,306,314,277,277,370,370,418,412,304,298,298,277,285,284,560,560]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 dxc4 8. Bxc4 Bd6 9. O-O e5 10. h3 a6 11. a3 Bd7 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} 12. Rd1 Qc8 (12... exd4 13. exd4 h6 14. Be3 Ne7 15. Ne5 b5 16. Ba2 c6 17. Ne4 Nxe4 18. Qxe4 Bf5 19. Qf3 {1-0 (37) Mamedyarov,S (2768)-Inarkiev,E (2709) Doha 2016}) 13. d5 Ne7 {White is slightly better.} 14. e4 Ng6 15. Be2 $146 ({Predecessor:} 15. Be3 Nh5 16. Bf1 Nhf4 17. Ne2 f5 18. Nxf4 exf4 19. Bd4 fxe4 20. Qxe4 {1-0 (61) Cifuentes Parada,R (2483)-Estremera Panos,S (2353) Pamplona 2000}) 15... Nh5 16. Nh2 Nhf4 17. Bg4 Bxg4 18. hxg4 {g3 is the strong threat.} h5 19. gxh5 Nxh5 20. Qe2 Nhf4 (20... Ngf4 $5 {[%cal Rf4e2]} 21. Qc2 f5 $11) 21. Qg4 Bc5 (21... f5 $14 22. exf5 Qxf5) 22. g3 (22. Be3 $16 b6 23. Bxc5 bxc5 24. Qxc8 Raxc8 25. Nf3) 22... Qxg4 (22... Nh3+ $11 {remains equal.} 23. Kg2 Nxf2 {[%mdl 64] Double Attack} 24. Qxc8 Raxc8) 23. Nxg4 $16 Nh5 {Black wants to play ...Nxg3.} 24. Kg2 Nf6 25. Nxf6+ gxf6 26. Bh6 $36 {[%mdl 2048] Black is under strong pressure.} Rfd8 27. Rac1 Bd6 28. Rd3 Rd7 29. Rf3 Be7 30. Nd1 c6 (30... Kh7 $16 {was called for.}) 31. Ne3 $18 cxd5 32. Nxd5 Rad8 33. Nxf6+ Bxf6 34. Rxf6 Rd4 35. Be3 R4d6 36. Rxd6 Rxd6 {[%mdl 4096] Endgame KRB-KRN} 37. Rc7 b5 38. Kf3 Rd3 39. Kg4 Rb3 40. Kf5 Kg7 41. Rc2 a5 42. Bd2 b4 43. axb4 axb4 44. Be3 Rd3 45. Rd2 Rb3 46. Re2 Rd3 47. Rc2 Kg8 $2 {[#]} (47... Rd8 48. Rc4 Rb8) 48. Rd2 {Accuracy: White = 68%, Black = 36%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.14"]
[Round "4.1"]
[White "Zhao, Jun"]
[Black "Xu, Jun"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2621"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,75,0,2,0,0,7,23,23,23,28,20,25,32,19,37,37,47,34,129,108,135,135,128,134,122,116,162,152,151,135,181,180,220,195,181,190,194,159,261,310,308,297,297,296,297,295,335,354,344,351,347,333,341,333,461,425,797,790,662,622,1154,1104,939,799]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 O-O 8. d4 {A28: English Opening: Four Knights Variation} exd4 (8... Ne4 9. Qc2 exd4 10. exd4 Qb4+ 11. Bd2 Nxd2 12. Qxd2 Qxd2+ 13. Kxd2 d6 14. h3 Bd7 15. Rhe1 Rfe8 {½-½ (30) Vitiugov,N (2709)-Kryvoruchko,Y (2698) Germany 2019}) 9. Nxd4 Nxd4 10. Qxd4 {White has an edge.} d5 11. c5 b6 12. b4 a5 $146 {Threatening ...axb4.} ({Predecessor:} 12... bxc5 13. bxc5 Qe6 14. O-O Ba6 15. Bxa6 Qxa6 {½-½ (24) Banet,J (2510)-Sferle,M (2509) ICCF email 2015}) 13. Ba3 Qe4 14. Qxe4 ({But not} 14. cxb6 Qxg2 15. O-O-O (15. Rf1 cxb6 16. bxa5 Re8 $17) 15... Qxf2 $11) 14... Nxe4 15. b5 bxc5 (15... Re8 $14) 16. Rc1 c4 17. Bxf8 Kxf8 18. f3 $36 {[%mdl 2048] Keeping Black busy.} Nd6 19. e4 $1 {[%cal Re4d5]} Bb7 20. exd5 Bxd5 21. a4 Ke7 22. Kf2 c6 23. Rhe1 {Black must now prevent Bxc4+.} Kd7 24. Red1 {aiming for Bxc4.} Kc7 25. Rd4 Nf5 {[#]} (25... Rd8 $16 26. bxc6 Be6) 26. Rf4 $1 $18 {[%cal Rf4f5]} ({Don't take} 26. Bxc4 $6 Nxd4 27. Bxd5 Rd8 $16) 26... Nd6 27. Bxc4 Nxc4 28. Rfxc4 ({Much less strong is} 28. Rcxc4 $6 Bxc4 29. Rxc4 f5 $18) 28... Bxc4 29. Rxc4 {[%mdl 4096] Endgame KR-KR} Rd8 30. Rxc6+ Kb7 {[#]} 31. Ra6 $1 {[%cal Ra6a5]} Rd4 32. Rxa5 h5 33. Kg3 g5 {[#]} 34. b6 $1 {White is clearly winning.} g4 (34... Kxb6 $142 35. Rxg5 Rxa4 36. Rxh5 Kc6) 35. Rxh5 gxf3 36. Kxf3 Rxa4 37. Rf5 Ra3+ 38. Ke4 {Accuracy: White = 96%, Black = 27%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.14"]
[Round "4.2"]
[White "Peng, Xiongjian"]
[Black "Xu, Yinglun"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2451"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,85,17,9,27,19,22,14,13,8,8,9,9,9,11,10,5,3,2,10,16,0,0,-12,0,-24,-23,-31,-19,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-43,-43,-44,-21,-39,0,0,41,0,0,0,0,0,137,138,147,148,145,126,137,75,72,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 dxc4 5. Bg2 c6 6. Ne5 c5 {E04: Open Catalan: 5 Nf3} (6... Bb4+ 7. Bd2 Be7 8. e3 b5 9. Nxc6 Nxc6 10. Bxc6+ Bd7 11. Bxa8 Qxa8 12. f3 e5 13. dxe5 Ng4 14. O-O Nxe5 {½-½ (27) Vidit,S (2711)-Vitiugov,N (2726) Prague 2019}) 7. Be3 Nd5 8. Nc3 Nxe3 9. fxe3 {Strongly threatening 0-0.} Nd7 10. Nxc4 Be7 11. dxc5 Bxc5 12. Nd6+ $146 ({Predecessor:} 12. O-O O-O 13. Ne4 Be7 14. Rc1 {½-½ (23) Ingersol,H (2409)-Galavics,H (2410) ICCF email 2014}) 12... Bxd6 $1 13. Qxd6 Qe7 14. Qd4 e5 15. Qd2 Nf6 16. O-O O-O 17. Nd5 Nxd5 18. Qxd5 Qg5 19. Qc5 Be6 20. Bxb7 Rab8 21. Bf3 Rxb2 22. Qxa7 h5 23. Rfb1 Rd2 24. Rd1 Rb2 25. Rdb1 Rd2 26. Rd1 Rb2 27. Kf2 Qf6 {[%mdl 1024] Black has compensation.} 28. Qa4 g5 29. Ke1 g4 30. Be4 Qe7 31. Rdb1 Rxb1+ 32. Rxb1 Qc5 $1 33. Qb5 Qc3+ (33... Qxe3 $11 {keeps the balance.} 34. Qxe5 Qg1+ {[%mdl 64] Double Attack} 35. Kd2 Rd8+ 36. Kc2 Rc8+ 37. Kd2 Rd8+ 38. Kc2 Rc8+ 39. Kd2 Rd8+) 34. Kf2 $1 $16 Bxa2 35. Rb2 $1 {[%cal Rb2a2]} Bc4 36. Qb7 {Intending Qe7! and mate.} Qa3 {[#]} 37. Rd2 (37. Rc2 $142 $1 {[%cal Rc2c4]} Be6 38. Qc7) 37... Qc5 {[#]} 38. Rd7 ({White should play} 38. Rc2 $1 $16) 38... Qc8 $11 {The position is equal.} 39. Qa7 {Hoping for Rd6.} Rd8 $36 {[%mdl 2048] White is under pressure.} 40. Rc7 Qa6 $1 41. Qxa6 Bxa6 42. Ke1 Kg7 43. Bc2 {Accuracy: White = 57%, Black = 73%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.14"]
[Round "4.3"]
[White "Xu, Xiangyu"]
[Black "Bai, Jinshi"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2583"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,63,3,12,11,22,0,0,0,18,21,41,39,43,31,46,0,0,0,0,0,0,0,0,0,7,5,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 O-O 5. Be2 Re8 6. Nd3 Bxc3 7. dxc3 Nxe4 8. O-O d5 9. Nf4 c6 10. Be3 Nd6 11. Re1 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} ({Predecessor:} 11. Nh5 Nd7 {½-½ (44) Schmitz,T (2253)-Eichler,C (2258) Bayern 2005}) 11... Nd7 12. Nh5 $146 (12. Bf1 Nf8 13. b3 Ng6 14. Nxg6 hxg6 15. f3 Bf5 16. Qd2 Qa5 17. a4 Rad8 18. g4 Be6 {½-½ (39) Dvirnyy,D (2541)-Rozentalis,E (2524) Forni di Sopra 2015}) 12... Nf8 13. Bd3 Qh4 14. Ng3 Bd7 15. b3 b6 16. Qd2 {[#] Bg5 is the strong threat.} Ne6 17. Nf5 Nxf5 {The position is equal.} 18. Bxf5 Qf6 19. Bh3 Qg6 20. Qd3 Qxd3 21. cxd3 Nf8 22. Bxd7 Nxd7 23. a4 Nc5 24. Bxc5 $1 bxc5 25. d4 cxd4 26. cxd4 Rxe1+ 27. Rxe1 $11 {KR-KR} Kf8 28. Kf1 Rb8 29. Re3 Rb4 30. Rc3 Rxd4 31. Rxc6 Rb4 32. Ra6 {Accuracy: White = 62%, Black = 83%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.14"]
[Round "4.4"]
[White "Xu, Yi"]
[Black "Liu, Yan"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2546"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,0,0,-9,16,25,7,9,29,-9,0,0,0,-18,-9,-15,-25,-40,-28,-55,-61,-62,-59,-68,11,-25,15,-19,12,11,11,0,11,0,11,9,22,22,25,22,22,22,22,8,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Ng3 c5 9. dxc5 Bxc5 10. Bd3 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} Bb6 (10... d4 11. Nce4 Nxe4 12. Bxe4 dxe3 13. Bxe3 Bxe3 14. fxe3 Nd7 15. O-O Nf6 16. Qxd8 Rxd8 17. Rfd1 Re8 {½-½ (39) Nguyen,N (2631)-Adhiban,B (2556) Manila 2013}) 11. O-O Nc6 12. Nh5 $146 ({Predecessor:} 12. Nce2 Re8 13. b3 Ng4 14. Nf4 Qh4 15. Nh3 Nge5 16. Nf4 Ng4 17. Nh3 Nge5 {½-½ (17) Sjodahl,P (2423)-Hagen,A (2203) La Massana 2014}) 12... Be6 13. Nf4 (13. Na4 {feels hotter.} Nxh5 14. Qxh5 g6 15. Qh6 Bc7 16. f4) 13... Re8 14. Nxe6 Rxe6 15. Ne2 d4 16. exd4 Nxd4 {Strongly threatening ...Rd6.} 17. Nxd4 Qxd4 18. Qf3 Rae8 19. Bb5 R8e7 20. Bf4 Qe4 ({Black should play} 20... Ne4 $15 21. Rac1 g6) 21. Qxe4 (21. Rac1 {looks sharper.} g6 22. Bh6 Qxf3 23. gxf3 Rd6 24. b4) 21... Rxe4 (21... Nxe4 {keeps more tension.} 22. Rae1 g5 23. Bb8 h5 24. Re2 Nf6) 22. Bg5 (22. g3 {is interesting.} a6 23. Bd3 Rd4 24. Bc2 Rd8 25. Rae1) 22... h6 23. Bxf6 gxf6 24. Rfd1 Rd4 25. Kf1 a6 26. Be2 Red7 27. Rxd4 Rxd4 28. Rd1 Rxd1+ {The position is equal.} 29. Bxd1 Bd4 30. Bf3 Bxb2 31. Bxb7 Bxa3 32. Bxa6 {Accuracy: White = 44%, Black = 39%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.14"]
[Round "4.5"]
[White "Li, Shilong"]
[Black "Zhao, Yuanhe"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2507"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,58,0,0,39,6,16,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. Qc2 Nbd7 6. b3 Bd6 7. Bb2 O-O 8. Be2 Re8 9. O-O b6 10. d4 Bb7 11. Rad1 c5 {D45: Semi-Slav: 5 e3} (11... Qc7 12. e4 Nxe4 13. Nxe4 dxe4 14. Qxe4 c5 15. Qh4 Rad8 16. Rfe1 Be7 17. Qh3 Bf6 18. Bd3 h6 19. Be4 Bxe4 20. Rxe4 cxd4 21. Bxd4 {½-½ (45) Le,Q (2737)-Ding,L (2777) Huaian 2017}) 12. cxd5 exd5 {The position is equal.} 13. Bb5 $146 ({Predecessor:} 13. Rfe1 Rc8 14. Qb1 a6 15. Bf1 b5 16. dxc5 Nxc5 17. h3 Ne6 18. Rc1 Bb4 19. a3 Bf8 20. Red1 Qb6 21. Qf5 h6 22. Qb1 {½-½ (22) Lemos,D (2511)-Conquest,S (2549) Porto Mannu 2009}) 13... Qe7 14. Qf5 Red8 15. Ne2 Ne4 16. dxc5 bxc5 17. Ng3 Ndf6 18. Nxe4 Nxe4 19. Qg4 {[%csl Gb2][%cal Rg4g7] [#]} g6 20. Nd2 Nxd2 21. Rxd2 h5 22. Qa4 d4 23. Re2 $1 Bxh2+ 24. Kxh2 {[#] Black must now prevent f3.} Qh4+ 25. Kg1 {aiming for f3.} Bxg2 26. Kxg2 Qg4+ 27. Kh2 Qh4+ 28. Kg2 Qg4+ 29. Kh2 Qh4+ {Accuracy: White = 71%, Black = 89%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.14"]
[Round "4.6"]
[White "Lu, Shanglei"]
[Black "Wen, Yang"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2606"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,42,28,36,35,35,35,30,29,17,26,35,10,10,0,6,17,15,7,24,7,15,17,15,15,13,10,21,13,16,17,6,20,14,14,14,7,17,10,20,17,4,5,16,17,20,11,70,56,57,64,68,68,79,73,78,77,210,145,441,427,665,658,658,646,1205,1154,1103,1103]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} 9. Nf3 Bd6 10. O-O Nf4 {White is slightly better.} (10... O-O 11. Re1 f5 12. b4 Nxb4 13. Nxe5 Bxe5 14. Rxe5 Nxd3 15. cxd3 Qd4 16. Rxa5 Qxa1 {½-½ (31) Vovk,A (2616)-Demchenko,A (2661) Fagernes 2019}) 11. Re1 Nxd3 12. cxd3 O-O 13. Nc3 c5 14. b3 f6 15. Ba3 Nb7 16. Rc1 $146 ({Predecessor:} 16. Ne4) 16... Qa5 17. Na4 Bd7 18. Rc4 Rac8 19. Qc2 Rfd8 20. Rc1 {[%cal Ra4c5]} Bb5 21. Rc3 {[%cal Ra3c5]} c4 22. Bxd6 {[#] And now Ba3 would win.} cxd3 23. Rxc8 dxc2 24. Bc7 Rxc8 25. Bxa5 Nxa5 26. Nc3 Bd3 27. Ne1 $36 {[%mdl 2048] White is more active.} Bg6 $1 28. Nxc2 Rd8 29. Nb4 Rxd2 30. Ncd5 Be4 ({Black should try} 30... Kf8 $11) 31. Rc8+ $14 Kf7 {[%cal Rd2d1]} 32. Rc7+ Ke6 {[%cal Rd2d1]} 33. Nc3 Rd4 34. Na6 {aiming for Nc5+.} Bd3 35. Rxa7 Kd6 (35... Nc6 $16 36. Ra8 Kd6) 36. Nb8 Kc5 $2 {[%mdl 8192]} (36... Nc6 $16 {was called for.} 37. Nxc6 Kxc6 38. Rxg7 Bg6) 37. Rxa5+ $18 {White is clearly winning.} Kb4 (37... Kb6 $142 38. b4 Rxb4 39. Nd5+ Kxa5 40. Nc6+ {[%mdl 64] Double Attack} Kb5 41. Ncxb4 Bg6) 38. Nc6+ {[%mdl 64] [#] Double Attack} Kxc3 39. Rc5+ Kd2 40. Nxd4 exd4 41. b4 {Accuracy: White = 84%, Black = 61%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.15"]
[Round "5.1"]
[White "Wen, Yang"]
[Black "Zhao, Jun"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2602"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,26,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. c3 Qd3 8. hxg4 hxg4 9. Nxe5 Bd6 10. Nxd3 Bh2+ 11. Kh1 Bd6+ 12. Kg1 Bh2+ 13. Kh1 {[#]} Bd6+ $146 {C68: Ruy Lopez: Exchange Variation, sidelines} ({Predecessor:} 13... Be5+ 14. Kg1 {½-½ (16) Mamedov,R (2650)-Mamedyarov,S (2747) Huaian 2016}) 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.15"]
[Round "5.2"]
[White "Zhao, Yuanhe"]
[Black "Lu, Shanglei"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2437"]
[BlackElo "2606"]
[Annotator "RC"]
[PlyCount "102"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:01:08]} Bb7 {[%emt 0:00:09]} 4. O-O {[%emt 0:00:29]} g6 {[%emt 0:00:03]} 5. b3 {[%emt 0:03:20]} Bg7 {[%emt 0:01:38]} 6. Bb2 {[%emt 0:00:05]} c5 {[%emt 0:00:20]} 7. c4 {[%emt 0:01:16]} Qb6 {[%emt 0:03:47]} 8. Nc3 {[%emt 0:07:18]} bxc4 {[%emt 0:05:26]} 9. bxc4 {[%emt 0:00:40]} O-O {[%emt 0:00:32]} 10. Rb1 {[%emt 0:13:06]} Qa6 {[%emt 0:03:53]} 11. Ba3 {[%emt 0:15:11]} d6 {[%emt 0:06:05]} 12. Rxb7 {[%emt 0:15:43]} Qxb7 {[%emt 0:00:17]} 13. Ne5 {[%emt 0:00:05]} Qa6 {[%emt 0:00:44]} 14. Qc1 {[%emt 0:03:06]} dxe5 {[%emt 0:05:16]} 15. Bxa8 {[%emt 0:00:08]} Qxc4 {[%emt 0:04:30]} 16. Bf3 {[%emt 0:04:36]} Nbd7 {[%emt 0:04:00]} 17. Qc2 {[%emt 0:04:51]} Rb8 {[%emt 0:02:39]} 18. Rc1 {[%emt 0:03:07]} e6 {[%emt 0:03:28]} 19. Qa4 {[%emt 0:06:46]} Qxa4 {[%emt 0:04:30]} 20. Nxa4 {[%emt 0:00:06]} Bf8 {[%emt 0:00:23]} 21. d3 {[%emt 0:02:53]} Rb5 {[%emt 0:03:02]} 22. Nc3 {[%emt 0:05:06]} Ra5 {[%emt 0:01:34]} 23. Bb2 {[%emt 0:00:04]} Nb6 {[%emt 0:00:26]} 24. g4 {[%emt 0:04:20]} Bd6 {[%emt 0:07:00]} 25. g5 {[%emt 0:00:51]} Nfd5 {[%emt 0:00:57]} 26. Ne4 {[%emt 0:01:58]} Rxa2 {[%emt 0:00:10]} 27. Ba1 {[%emt 0:00:50]} Bc7 {[%emt 0:08:21]} 28. Nxc5 {[%emt 0:00:07]} Kf8 {[%emt 0:02:21]} 29. e3 {[%emt 0:03:40]} Ke7 {[%emt 0:18:06]} 30. Ne4 {[%emt 0:00:30]} Nd7 {[%emt 0:01:21]} 31. h4 {[%emt 0:03:19]} a5 {[%emt 0:01:24]} 32. d4 {[%emt 0:00:42]} Bb6 {[%emt 0:03:12]} 33. dxe5 {[%emt 0:00:36]} Nxe3 {[%emt 0:00:10]} 34. Nf6 {[%emt 0:00:27]} Nf5 {[%emt 0:00:48]} 35. Rd1 {[%emt 0:00:34]} Nb8 {[%emt 0:03:11]} 36. Rb1 {[%emt 0:00:05]} Bxf2+ {[%emt 0:01:56]} 37. Kh1 {[%emt 0:00:05]} Bc5 {[%emt 0:00:09]} 38. Rb7+ {[%emt 0:00:30]} Kd8 {[%emt 0:00:03]} 39. Rxb8+ {[%emt 0:00:06]} Kc7 {[%emt 0:00:06]} 40. Rb7+ {[%emt 0:00:04]} Kc8 {[%emt 0:00:01]} 41. Bb2 {[%emt 0:00:06]} a4 {[%emt 0:00:45]} 42. Ne4 {[%emt 0:02:32]} a3 {[%emt 0:08:17]} 43. Bxa3 {[%emt 0:00:30]} Rxa3 {[%emt 0:00:00]} 44. Nxc5 {[%emt 0:00:29]} Rxf3 {[%emt 0:00:00]} 45. Ra7 {[%emt 0:00:20]} Rf4 {[%emt 0:00:00]} 46. Kg1 {[%emt 0:00:33]} Nxh4 {[%emt 0:00:00]} 47. Kh2 {[%emt 0:00:31]} Nf3+ {[%emt 0:00:00]} 48. Kg3 {[%emt 0:00:06]} Rf5 {[%emt 0:00:00]} 49. Ne4 {[%emt 0:00:50]} Kb8 {[%emt 0:00:00]} 50. Re7 {[%emt 0:00:28]} Nxg5 {[%emt 0:00:00]} 51. Nf6 {[%emt 0:00:11]} Kc8 {[%emt 0:00:00]} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.15"]
[Round "5.3"]
[White "Liu, Yan"]
[Black "Li, Shilong"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2502"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,75,19,26,25,44,29,24,41,29,35,63,64,66,48,54,43,81,57,80,50,73,40,35,46,83,64,184,199,158,64,66,81,434,387,386,411,399,415,419,412,384,381,29985,29986,29986,29987,29987,29988,29988,29990]} 1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 f5 5. O-O Nf6 6. c4 O-O 7. Nc3 Qe8 8. d5 Na6 9. Nd4 Nc5 10. Ncb5 Na6 11. b3 Bd7 12. Bb2 c6 13. Nc3 Nc7 14. Rb1 c5 15. Nc2 {A87: Dutch Defence: Leningrad System: 5 Nf3} (15. Nf3 b5 16. cxb5 Nxb5 17. Nxb5 Bxb5 18. Ng5 Bd7 19. Bc3 h6 20. Ne6 Bxe6 21. dxe6 Rb8 22. Bxf6 {½-½ (20) Fridman,R (2507)-Jakubiec,A (2528) Germany 2012}) 15... b5 16. cxb5 Nxb5 17. Nxb5 {White has an edge.} Bxb5 18. b4 Rc8 19. bxc5 dxc5 20. Re1 $146 ({Predecessor:} 20. Ne3 Qd7 21. Be5 Ne8 22. f4 Nd6 {1-0 (38) Krzywda,A (2153)-Krasiewicz,R (2033) Lazy 2012}) 20... Qd7 21. Ne3 Ne8 22. Bxg7 Kxg7 23. Qb3 Nd6 24. Bf3 Kg8 25. h4 h6 26. Ng2 Kh7 (26... g5 $14) 27. Nf4 $18 Rf6 28. e4 (28. Qc3 $16) 28... fxe4 $14 29. Bxe4 Kg7 $2 {[%mdl 8192]} (29... Rxf4 $16 30. gxf4 Bc4) 30. Ne6+ Kf7 31. Qe3 Nxe4 32. Qxe4 {[#] Rxb5! is the strong threat.} Bc6 33. Nf4 ({Weaker is} 33. dxc6 Qxe6 34. Qc2 Qxc6 $14) 33... Ba8 34. h5 gxh5 $2 (34... Kg8 $18 35. hxg6 (35. Qxe7 Qxe7 36. Rxe7 gxh5 $18) 35... Qd6) 35. Qh7+ {White mates.} Ke8 36. Qg8+ Rf8 37. Qg6+ {[%mdl 64] [#] Double Attack} Rf7 38. d6 {Accuracy: White = 70%, Black = 35%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.15"]
[Round "5.4"]
[White "Bai, Jinshi"]
[Black "Xu, Yi"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2605"]
[BlackElo "2546"]
[Annotator "RC"]
[PlyCount "81"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:11]} Bb4 {[%emt 0:00:00]} 5. Qa4+ {[%emt 0:00:17]} Nc6 {[%emt 0:00:00]} 6. e3 {[%emt 0:00:06]} O-O {[%emt 0:00:07]} 7. Qc2 {[%emt 0:00:14]} dxc4 {[%emt 0:02:00]} 8. Bxc4 {[%emt 0:00:06]} Bd6 {[%emt 0:00:21]} 9. O-O {[%emt 0:00:40]} e5 {[%emt 0:03:13]} 10. h3 {[%emt 1:33:26]} a6 {[%emt 0:03:14]} 11. a3 {[%emt 0:00:00]} b5 {[%emt 1:26:35]} 12. Ba2 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 13. d5 {[%emt 0:01:30]} Ne7 {[%emt 0:00:00]} 14. e4 {[%emt 0:00:30]} Rc8 {[%emt 0:00:00]} 15. Rd1 {[%emt 0:00:00]} h6 {[%emt 0:02:00]} 16. Be3 {[%emt 0:00:00]} Ng6 {[%emt 0:00:00]} 17. Qe2 {[%emt 0:00:00]} Qe7 {[%emt 0:01:00]} 18. g3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 19. dxc6 {[%emt 0:00:00]} Bxc6 {[%emt 0:00:00]} 20. Nd5 {[%emt 0:00:00]} Bxd5 {[%emt 0:00:00]} 21. Bxd5 {[%emt 0:00:00]} Bc5 {[%emt 0:02:00]} 22. Rac1 {[%emt 0:00:00]} Bxe3 {[%emt 0:00:00]} 23. Qxe3 {[%emt 0:04:30]} Nxd5 {[%emt 0:00:00]} 24. Rxd5 {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 25. Rxc8 {[%emt 0:00:00]} Rxc8 {[%emt 0:00:00]} 26. Kg2 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 27. Qa7 {[%emt 0:00:00]} Rc1 {[%emt 0:00:00]} 28. Qd7 {[%emt 0:00:00]} Qxd7 {[%emt 0:00:00]} 29. Rxd7 {[%emt 0:00:00]} Rc2 {[%emt 0:00:43]} 30. Rxf7 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:03]} 31. h4 {[%emt 0:00:00]} Rb3 {[%emt 0:01:24]} 32. h5 {[%emt 0:00:00]} Nh8 {[%emt 0:00:02]} 33. Ra7 {[%emt 0:01:23]} Rxa3 {[%emt 0:00:06]} 34. Nh4 {[%emt 0:00:57]} Kg8 {[%emt 0:00:28]} 35. Ra8+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:01]} 36. Ra7 {[%emt 0:00:56]} Kg8 {[%emt 0:00:02]} 37. Nf5 {[%emt 0:00:47]} Nf7 {[%emt 0:01:39]} 38. Ne7+ {[%emt 0:00:53]} Kh7 {[%emt 0:00:08]} 39. Ng6 {[%emt 0:00:45]} Nh8 {[%emt 0:00:08]} 40. Nf8+ {[%emt 0:00:24]} Kg8 {[%emt 0:00:10]} 41. Ne6 {[%emt 0:02:51]} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.15"]
[Round "5.5"]
[White "Xu, Yinglun"]
[Black "Xu, Xiangyu"]
[Result "1/2-1/2"]
[ECO "D22"]
[WhiteElo "2528"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,68,10,10,14,10,3,3,12,23,14,18,17,19,14,14,13,12,11,13,12,15,14,21,6,6,6,7,3,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5 5. a4 Bb7 6. axb5 axb5 7. Rxa8 Bxa8 8. b3 e6 9. bxc4 {D22: Queen's Gambit Accepted: 3 Nf3 a6 4 e3} bxc4 10. Bxc4 Nf6 11. O-O Nbd7 12. Nc3 Bd6 {The position is equal.} 13. d5 exd5 14. Nxd5 O-O 15. Bb2 {[#]} Bxd5 $146 ({Predecessor:} 15... Nxd5 16. Bxd5 Bxd5 {½-½ (31) Gajewski,G (2571)-Socko,B (2637) Lublin 2009}) 16. Bxd5 Nxd5 17. Qxd5 Nc5 {[#] And now ...Bxh2+! would win.} 18. Be5 Qa8 19. Qxa8 (19. Qd4 {with more complications.} Rd8 20. Ra1 Qb8 21. Qh4 Ne6 22. Bxd6 Rxd6 23. Qe4) 19... Rxa8 20. Bxd6 cxd6 $11 {[%mdl 4096] Endgame KRN-KRN} 21. Rd1 Kf8 22. g4 Ra2 23. Rd2 Rxd2 24. Nxd2 {KN-KN} Ke7 25. Kg2 Ke6 26. Kf3 d5 27. h4 h6 28. Kf4 Kf6 29. Nf3 Ne4 {[#] White must now prevent ...g5+.} 30. g5+ hxg5+ 31. hxg5+ Kg6 32. Ne5+ Kh5 33. Nxf7 Nxf2 34. Ke5 Kg6 {Accuracy: White = 69%, Black = 95%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.15"]
[Round "5.6"]
[White "Xu, Jun"]
[Black "Peng, Xiongjian"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "2487"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,102,29,28,43,47,51,40,38,19,16,12,18,15,3,-21,-2,-22,-18,-10,5,8,13,0,5,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. Bg5 Nf6 5. e3 Be7 6. Nc3 Nbd7 7. Qc2 O-O 8. c5 h6 9. Bf4 c6 10. Bd3 Re8 {D61: Queen's Gambit Declined: Classical: 7 Qc2} 11. O-O $146 ({Predecessor:} 11. h3 b6 12. b4 bxc5 13. bxc5 a5 14. O-O Ba6 15. Bxa6 Rxa6 16. Rab1 Qa8 17. Na4 Bd8 18. Rb2 {1-0 (37) Sargsyan,A (2331)-Asadi,M (2135) Batumi 2018}) 11... Bxc5 12. dxc5 e5 $1 {[%cal Re5f4] White is slightly better.} 13. Nxe5 Nxe5 {The position is equal.} 14. Na4 Nxd3 15. Qxd3 g5 16. Bg3 {[#] aiming for Nb6.} Ne4 17. f3 Nxg3 18. hxg3 Qf6 19. g4 Be6 20. Rad1 Re7 21. Qd4 Qg7 22. Nc3 f5 23. gxf5 Bxf5 24. e4 dxe4 25. Nxe4 Bxe4 26. fxe4 Qxd4+ 27. Rxd4 $11 {[%mdl 4096] Endgame KRR-KRR} Rae8 28. Rf6 Rxe4 29. Rdd6 R8e7 30. Rxh6 Rc4 31. Rhg6+ Rg7 32. Rxg7+ Kxg7 {KR-KR} 33. Rd7+ Kf6 34. Rxb7 Rxc5 35. b4 Rc2 36. a4 Ke5 37. Ra7 Kf4 38. Kh2 g4 39. Rf7+ (39. Rxa6 $2 {gets mated.} g3+ 40. Kh3 Rc1 41. Kh4 Rh1#) 39... Ke3 40. Kg3 Rc4 41. Rb7 Kd3 42. Rb6 Kc3 43. b5 axb5 $1 44. axb5 c5 $1 45. Rb8 Kb4 46. b6 Kb5 47. b7 {[#] Ra8 would kill now.} Kb6 48. Rg8 Kxb7 49. Rxg4 Rc1 50. Kf2 Kc6 51. Ke2 Kb5 {Accuracy: White = 81%, Black = 80%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.16"]
[Round "6.1"]
[White "Zhao, Jun"]
[Black "Peng, Xiongjian"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2621"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,184,26,27,22,29,18,33,44,33,26,38,49,66,76,77,54,73,45,38,24,39,23,64,0,0,-20,-11,-35,-18,-35,-25,-65,17,13,28,26,30,15,5,8,52,38,54,46,91,85,74,67,130,127,147,146,176,168,156,174,135,137,203,190,241,250,245,241,232,180,465,391,388,327,854,820,843,847,786,-219,0,0,0,0,0,0,0,0,0,0,0,0,0,0,31,31,41,44,44,0,0,0,0,0,4,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,31,27,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Qb3 (5. Nf3 h6 6. Bf4 Nf6 7. e3 Bd6 8. Bxd6 Qxd6 9. Qc2 O-O 10. Bd3 Re8 11. h3 Be6 12. O-O Nbd7 13. a4 {½-½ (40) Shankland,S (2725)-Carlsen,M (2835) Wijk aan Zee 2019}) 5... Nf6 6. Bg5 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} c6 7. e4 dxe4 8. Bc4 {White is slightly better.} Qe7 9. a4 $1 {[%mdl 1024] White has compensation.} Nbd7 $146 ({Predecessor:} 9... h6 10. Bxf6 gxf6 11. Nge2 f5 12. a5 Bg7 {½-½ (58) Dubov,D (2691)-Fedoseev,V (2707) Satka 2018}) 10. Nge2 h6 11. Bf4 g5 12. Bd2 $1 Rb8 13. Ng3 b5 $1 {[%cal Rb5c4]} 14. axb5 axb5 15. Be2 Nb6 16. O-O (16. h4 $14) 16... Bg7 $1 $11 17. Ncxe4 Nxe4 18. Nxe4 {Qg3 is the strong threat.} O-O (18... Bxd4 $6 19. Bc3 $11) 19. Bd3 Be6 20. Qc2 Bc4 (20... Bxd4 $15 21. Bc3 Bxc3 22. Qxc3 f5) 21. Ng3 Rfe8 22. Nf5 Qf6 23. h4 Bxd3 24. Qxd3 Nd5 25. hxg5 hxg5 26. Rfe1 Qg6 27. g4 Bf8 28. Qg3 Rbd8 ({Better is} 28... f6 $14) 29. Kg2 $16 Re6 30. Rh1 {Strongly threatening Rh5.} Re2 31. Qd3 $1 {[%cal Rd3e2]} Rde8 32. Rh2 $1 ({But not} 32. Qh3 $6 Bg7 $14) 32... Bg7 {[#]} 33. Rah1 $1 {aiming for Rh6!} R8e4 (33... Rxd2 $16 {was worth a try.} 34. Qxd2 Nf4+ 35. Kf1 Qe6) 34. Kf1 $40 {[%mdl 128] White attacks with force.} Qe6 {[#]} (34... Nf4 {keeps fighting.} 35. Bxf4 gxf4) 35. Qh3 $1 {[%cal Rh3h8] Intending Qh8+! and mate.} Qxf5 36. gxf5 Rxd2 37. Qa3 Rde2 $2 (37... Re8) 38. f3 Re1+ 39. Kg2 Nf4+ $2 (39... Ne3+ 40. Kf2 Ng4+ 41. Kg3 (41. fxg4 Bxd4+ 42. Kg3 R1e3+ 43. Qxe3 Rxe3+ 44. Kf2 Re4+ 45. Kg3 Re3+ 46. Kg2 c5 $11) 41... Nxh2 42. fxe4 (42. Rxh2 Rg1+ 43. Rg2 Rxg2+ 44. Kxg2 Rxd4 $16) 42... Rxh1) 40. Kg3 R1e3 41. Qd6 {White threatens Qd8+ and mate.} Re8 42. Rh8+ $2 (42. Rh7 $18 {Threatening mate with Rxg7+!} f6 43. Qxc6) 42... Bxh8 $11 {[#]} 43. Rxh8+ $1 {[%mdl 512]} Kxh8 44. Qh6+ Kg8 45. Qxg5+ {[%mdl 64] [#] Double Attack} Ng6 $1 {[%mdl 512]} 46. fxg6 {[%mdl 4096] Endgame Hoping for Qh5. KQ-KRR} R3e6 47. gxf7+ Kxf7 {Threatens to win with ...Rg6!} 48. Qf5+ Rf6 49. Qh7+ Ke6 50. Qc7 Kf5 51. Qd7+ Ree6 52. Qh7+ Rg6+ 53. Kf2 Kg5 54. Qf7 Rgf6 55. Qg7+ Rg6 56. Qf7 Rgf6 57. Qg8+ (57. Qd7 {seems wilder.} Rd6 58. Qg7+ Kh5 59. b4 Rg6 60. Qh8+) 57... Kh6 58. Qh8+ Kg6 59. Qg8+ Kh6 60. Qd8 Rd6 61. Qh8+ Kg6 62. Qg8+ Kh6 63. Ke3 Rde6+ 64. Kd2 Rd6 65. Qh8+ Kg6 66. Qg8+ Kh6 67. Qg4 c5 68. Qh4+ Kg6 69. Qe4+ Kh6 70. d5 {And now Qe3+ would win.} Rd8 71. Ke3 Rfd6 $1 {The position is equal.} 72. Qh4+ Kg6 73. Qg3+ Kf6 74. Qh4+ Kg6 75. Qe4+ Kf6 76. Qd3 b4 77. Ke4 {Black must now prevent Qc4.} Re8+ $1 78. Kf4 Re5 79. Qh7 Rexd5 80. Qh6+ Kf7 81. Qh7+ Kf6 82. Qh6+ Ke7 83. Qg7+ Ke6 84. Qc7 Rf5+ 85. Kg3 Rdd5 86. f4 Rd4 87. Qc8+ Kf6 88. Qf8+ Ke6 89. Qc8+ Kf6 90. Qf8+ Kg6 91. Qg8+ Kf6 92. Qf8+ Ke6 {Accuracy: White = 70%, Black = 63%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.16"]
[Round "6.2"]
[White "Xu, Xiangyu"]
[Black "Xu, Jun"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2583"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,57,33,35,31,37,40,42,43,18,34,32,39,35,51,47,72,68,91,66,72,66,61,60,65,65,59,65,63,36,66,66,66,66,85,81,79,79,65,75,82,60,414,420,596,588,658,706]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Nf5 Bxe3 {C45: Scotch Game} 8. Nxe3 Nf6 (8... d6 9. g3 Nge7 10. Bg2 O-O 11. O-O Kh8 12. Nd2 f5 13. f4 fxe4 14. Nxe4 Nf5 15. Re1 {1-0 (51) Matlakov,M (2700)-Postny,E (2615) St Petersburg 2018}) 9. f3 O-O {White is slightly better.} 10. Be2 d6 11. Qd2 Ne5 12. c4 b6 $146 ({Predecessor:} 12... Be6 13. Nc3 Kh8 14. f4 Neg4 15. Nc2 {0-1 (41) Jones,G (2554)-L'Ami,E (2593) London 2009}) 13. Nc3 Bb7 14. Nf5 Ng6 15. h4 Ne7 16. g4 Nxf5 17. gxf5 Qe7 18. O-O-O {[%cal Ba1d1,Bd1c1,Bc1c3,Bc3c2][%mdl 32]} Kh8 19. Rhg1 Rg8 20. Kb1 a6 21. Nd5 Bxd5 22. cxd5 ({Of course not} 22. exd5 Rae8 $15) 22... h6 23. Rc1 Ra7 24. Rc3 Nh5 25. Qc1 Kh7 26. Ka1 Qxh4 $2 {[%mdl 8192] [#]} (26... Qe5 $14) 27. Rh1 $1 $18 {[%cal Rh1h4]} Qf2 (27... Qf4 $142 28. Rxh5 Qxc1+ 29. Rxc1 g6) 28. Rxh5 Qxe2 {[#]} 29. Rc2 $1 {Accuracy: White = 75%, Black = 35%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.16"]
[Round "6.3"]
[White "Xu, Yi"]
[Black "Xu, Yinglun"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2546"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,36,24,35,22,34,20,30,0,8,4,13,0,0,0,0,0,56,56,53,50,42,47,114,115,124,70,65,61,123,111,106,109,190,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. g4 h6 8. Be3 b5 9. a3 Nbd7 10. Qd2 Bb7 11. O-O-O Rc8 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} 12. h4 d5 {Strongly threatening ...b4.} 13. Rg1 {next g5 is good for White.} dxe4 14. g5 hxg5 15. hxg5 Nd5 16. Nxd5 Bxd5 {[#]} 17. fxe4 $146 ({Predecessor:} 17. g6 f5 18. fxe4 fxe4 19. Kb1 {½-½ (38) Morozevich,A (2760)-Nakamura,H (2775) Thessaloniki 2013}) 17... Bxe4 {aiming for ...Nc5.} 18. Bg2 Rh2 (18... Nc5 $11 19. b4 Qxd4 $1 {[%mdl 576] Remove Defender, Decoy} 20. Qxd4 Nb3+ {[%mdl 64] Double Attack} 21. Kb2 Nxd4 22. Bxe4 Nc6) 19. Bf4 $14 Rxg2 20. Rxg2 Bxg2 21. Qxg2 Qb6 ({Black should try} 21... g6 $14) 22. g6 $16 {[%mdl 1024] Black must now prevent gxf7+. White has strong compensation.} f6 23. Qe4 ({White should play} 23. b4 $16) 23... Nc5 $14 24. Qe3 $1 a5 (24... Nd7 $14) 25. b4 $36 {[%mdl 2048] White is really pushing.} axb4 26. axb4 Na4 (26... Nd7 $16 {keeps fighting.}) 27. Nxe6 $2 ({Stronger than} 27. Qxe6+ Qxe6 28. Nxe6 Nc3 $11) (27. Qh3 $18 {Re1 is the strong threat.} Rd8 {[#]} 28. Re1 $1 {[%mdl 512]} (28. Qxe6+ Qxe6 29. Nxe6 Rxd1+ 30. Kxd1 Nc3+ 31. Ke1 Ke7 $11)) 27... Qxe3+ $11 {The position is equal.} 28. Bxe3 Nc3 29. Rh1 Kd7 30. Nxf8+ Rxf8 {Accuracy: White = 69%, Black = 39%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.16"]
[Round "6.4"]
[White "Li, Shilong"]
[Black "Bai, Jinshi"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2507"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,102,35,36,28,35,23,39,16,38,16,8,14,14,14,10,8,8,0,0,0,0,-4,-8,0,0,0,0,0,0,0,0,-17,0,0,0,0,0,-22,0,-85,-79,-163,-163,-166,-154,-185,-189,-203,-196,-243,-200,-219,-216,-221,-200,-198,-194,-246,-246,-244,-265,-296,-298,-273,-264,-339,-339,-373,-352,-385,-385,-384,-379,-375,-373,-477,-476,-469,-468,-455,-328,-668,-490,-490,-481,-481,-472]} 1. Nf3 d5 2. c4 c6 3. e3 g6 4. Nc3 Bg7 5. d4 Nf6 6. Be2 O-O 7. O-O dxc4 8. Bxc4 Bg4 9. Be2 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e6,Be6d4][%mdl 32]} 10. e4 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} Bxf3 11. Bxf3 e5 12. d5 {White is slightly better.} (12. dxe5 Nxe5 13. Be2 Qe7 14. Qc2 Rfd8 15. h3 c5 16. Bg5 Nc6 17. Rae1 h6 {½-½ (28) Cheparinov,I (2703)-Mamedov,R (2680) Kocaeli 2017}) 12... cxd5 13. Nxd5 Nc5 14. Bg5 Ne6 15. Bxf6 Bxf6 16. Qb3 $146 ({Predecessor:} 16. g3 Be7 17. b4 a5 {½-½ (67) Dale,A (2120)-Izzat,K (2181) Ballarat 2014}) 16... b6 17. Bg4 Nd4 18. Qd3 Bg7 19. Rac1 f5 20. Bf3 Kh8 21. Rc7 Ne6 22. Rc6 Nd4 $36 {[%mdl 2048] Black is more active.} 23. Rc7 Ne6 24. Rc4 Rc8 25. Rfc1 Rxc4 26. Rxc4 Qd7 27. g3 Ng5 28. Bg2 (28. Kg2 $11 {remains equal.}) 28... fxe4 $17 29. Rxe4 (29. Qd1 $17) 29... Nxe4 $19 30. Bxe4 Qa4 31. Nc3 Qd4 32. Qe2 Bh6 {[#] Hoping for ...Rxf2!} 33. Nd5 Qd2 34. Qxd2 Bxd2 {[%mdl 4096] Endgame KRB-KBN} 35. Kf1 Bc1 36. b3 Bb2 37. Ke2 (37. Nb4 {might work better.}) 37... Bd4 38. f3 Rc8 39. Kd2 Bg1 40. h3 Bh2 41. g4 Bf4+ 42. Kd3 Rc1 43. a4 Rh1 44. Kc4 Rxh3 45. Kb5 h5 {White must now prevent ...h4.} 46. gxh5 gxh5 47. Ka6 h4 48. Kxa7 Rh1 49. Kxb6 $2 (49. Nf6) 49... h3 {Black is clearly winning.} 50. Nf6 h2 51. Ng4 {[#]} Rb1 $1 {[%mdl 512] Accuracy: White = 49%, Black = 84%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.16"]
[Round "6.5"]
[White "Lu, Shanglei"]
[Black "Liu, Yan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2606"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,0,0,0,0,0,0,0,26,13,4,-16,0,8,13,18,18,12,20,18,13,11,27,25,27,19,37,37,37,37,37,37,39,37,37,37,39,39,44,44,44,44,44,44,44,37,37,37,41,44,46,40,45,38,37,33,33,33,34,33,33,33,43,43,52,50,54,52,134,134,130,127,122,115,165,168,168,125,125,0,168,168,159,172,166,164,168,172,210,192,225,196,262,261,259,253,255,260,463,660,661,661,661,644]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Bg4 11. h3 Bh5 12. Qc2 {The position is equal.} Bg6 {[#] Hoping for ...Nxc3.} 13. Qb3 Ne7 14. O-O c6 15. Bd3 Nd2 16. Nxd2 {Black must now prevent Ne2.} Bxd3 17. Rfe1 Bg6 {[#]} (17... Ng6 {is interesting.} 18. Na4 Bf5 19. Re2 Be6 20. f4 h5) 18. Na4 $146 Nf5 19. Nxb6 Qxb6 20. Qc3 f6 {next ...fxe5 is good for Black.} 21. Nf3 Rae8 22. Bf4 fxe5 23. Bxe5 Qd8 24. Qa3 Nh4 25. Nxh4 Qxh4 26. f3 a6 27. Re3 Qe7 28. Qc3 Qd7 29. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} h6 30. a5 Qd8 31. Rae1 Rf7 32. R1e2 Qc8 33. Bd6 Rxe3 34. Rxe3 Rf6 35. Qb4 Re6 36. Be5 Qd7 37. Kf2 Re7 38. Rb3 Bc2 {Strongly threatening ...c5.} 39. Rc3 Bg6 40. Qd6 Qxd6 41. Bxd6 $14 {[%mdl 4096] Endgame KRB-KRB} Re6 42. Bc5 Bb1 ({Black should try} 42... Rf6 $1 $14) 43. Rb3 $16 g5 44. g4 Bc2 45. Rxb7 Bd1 46. Ra7 Be2 47. Ra8+ Kf7 48. Ra7+ Kg8 $1 {[#]} 49. Bd6 $1 Bb5 50. Be5 c5 51. Ke3 cxd4+ 52. Kxd4 Bc4 53. Rb7 Rg6 54. b4 Kf8 (54... Be2 $142 55. Rb6 Kf7) 55. Rb6 $18 Kf7 56. Kc5 Be2 57. Bd4 ({Not} 57. Kxd5 Bxf3+ 58. Kc5 Be2 $16) 57... Re6 $2 (57... Rg8 {is a better defense.} 58. Rf6+ Ke7 59. Rxh6 Bc4) 58. b5 {White is clearly winning.} Bxb5 59. Rxb5 axb5 60. Kxb5 {Accuracy: White = 96%, Black = 56%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.16"]
[Round "6.6"]
[White "Wen, Yang"]
[Black "Zhao, Yuanhe"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2602"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,111,25,31,35,34,26,31,25,41,32,32,32,32,32,32,32,35,30,34,29,31,13,35,44,52,17,12,19,13,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,-10,-10,-12,-13,-16,-19,-77,-50,-104,-104,-110,-109,-102,-114,-122,-34,-50,-119,-206,-28,-12,-11,-48,0,0,-6,-120,-106,-80,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Be3 Be7 8. Qd2 Be6 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Qd7 ({Don't blunder} 9... Bxa2 $2 10. b3 $18) 10. a3 h6 11. Be2 {White is slightly better.} O-O-O $146 ({Predecessor:} 11... a6 12. Nd4 Nxd4 13. Bxd4 Rg8 14. c4 c5 15. Be3 Qa4 16. Bf3 Qxc4 17. Bxb7 {½-½ (72) Bok,B (2636)-Akobian,V (2647) Saint Louis 2018}) 12. Nd4 Nxd4 13. Bxd4 Qa4 14. c4 ({But not} 14. Bxg7 $2 Bg5 $19) 14... Rhg8 15. Qc3 g6 16. Rhe1 h5 17. Kb1 Kb8 18. Bf3 Rge8 19. Re4 Bf5 20. Rxe7 {[%mdl 64] Remove Defender} Rxe7 21. Bf6 Qe8 22. Qd2 Rdd7 {[%cal Bd8d7,Bd7e7,Be7e1][%mdl 32] Hoping for ...Re6.} 23. Bxe7 Rxe7 24. c5 dxc5 {[#]} 25. Qd5 $1 {[%csl Gf3][%cal Rd5b7][%mdl 512]} Bc8 26. Qxc5 Re1 27. Kc1 Bg4 28. Bxg4 hxg4 $11 {[%mdl 4096] Endgame KQR-KQR} 29. Qd4 f5 30. Qd2 Rxd1+ 31. Kxd1 {KQ-KQ} b6 32. Qd5 Qh8 33. c3 (33. Qb3 $1 $11) 33... a5 34. g3 ({White should try} 34. Qf7 $15) 34... Qxh2 $17 35. Qd8+ Kb7 36. Qd5+ {[#]} Ka7 $1 37. Ke2 {[#]} Qh7 (37... Qh8 $1 $17 38. Kd2 Qe8) 38. b4 $1 $15 Qe7+ 39. Kd3 (39. Kd2 $17) 39... axb4 $2 (39... Qe1 $19 {Threatens to win with ...axb4.} 40. Qc6 Kb8 41. Qxg6 Qxf2 42. Qe8+ Kb7) 40. axb4 $11 Qf6 41. b5 Kb8 42. Qg8+ Kb7 43. c4 (43. Qd5+ $11 {remains equal.} Kc8 44. Kc4) 43... Qd6+ $17 44. Ke2 Qe5+ (44... f4 $17 45. gxf4 Qxf4) 45. Kf1 $11 {The position is equal.} f4 46. gxf4 $1 Qxf4 {And now ...g3 would win.} 47. Qd5+ Ka7 {aiming for ...g3.} 48. Kg2 $1 g5 49. Qd3 Kb7 50. Qd5+ Kc8 51. Qd3 Qe5 52. Qh7 Qd4 53. Qf5+ Kb8 54. Qd5 Qf4 55. Qd8+ Kb7 {...Qf3+ is the strong threat.} 56. Qd3 {Accuracy: White = 59%, Black = 62%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.18"]
[Round "7.1"]
[White "Zhao, Yuanhe"]
[Black "Zhao, Jun"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2437"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,41,33,43,5,31,38,39,29,38,6,24,27,30,33,21,1,20,8,85,0,0,-54,232,225,330,329,325,326]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 d6 6. Bg2 Bd7 7. O-O g6 8. Nc3 Bg7 9. Nxc6 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4} Bxc6 10. e4 Nd7 11. Bd2 {White is slightly better.} O-O 12. b4 $146 {Black must now prevent b5.} ({Predecessor:} 12. Qe2 a5 13. b3 Nc5 14. Rab1 Qd7 15. Rfe1 Bd4 16. Nd5 Bxd5 17. exd5 {1-0 (43) Lalith,B (2570)-Ter Sahakyan,S (2568) Chennai 2013}) 12... Ne5 13. Qe2 {Strongly threatening f4.} Bd7 14. Rac1 Rc8 15. Nd5 e6 16. Ne3 $1 Qb6 {[#]} (16... Ba4 $11) 17. Kh1 (17. b5 $1 $16) 17... Qa6 $1 $11 18. Bc3 ({Much worse is} 18. f4 {[#]} Nxc4 $1 {[%mdl 512]} 19. Rxc4 Bd4 $17) ({White should try} 18. b5 $11 Qxa2 19. Ra1 (19. f4 $2 Nxc4 20. Rc2 Nb2 $19)) 18... Nxc4 $2 {[%mdl 8192]} (18... b5 $1 $15 {keeps the upper hand.}) 19. Bxg7 $18 Nxe3 (19... Kxg7 $142 20. Rxc4 (20. Nxc4 Bb5 $16) 20... Rxc4 21. Nxc4 Bb5) 20. Qxa6 bxa6 21. Bxf8 {Accuracy: White = 37%, Black = 37%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.18"]
[Round "7.2"]
[White "Liu, Yan"]
[Black "Wen, Yang"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2502"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,19,22,2,15,-10,8,19,11,14,25,15,13,21,18,18,25,22,41,34,37,14,26,25,34,33,27,31,67,29,54,49,60,32,36,34,34,33,25,25,119,104,225,214,386,386,347,438,446,440,426,422,867,852]} 1. d4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 cxd4 5. Nxd4 Nc6 6. c3 Nf6 7. e4 O-O 8. O-O d6 9. h3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} Bd7 10. Be3 Qc8 11. Kh2 {The position is equal.} Rd8 12. Na3 $146 ({Predecessor:} 12. b3 Be8 13. c4 b5 14. Na3 bxc4 15. Rc1 d5 16. exd5 Nxd5 17. Nxc4 {0-1 (65) Pohjala,H (2361)-Kulaots,K (2557) Jyvaskyla 2014}) 12... Rb8 13. c4 a6 14. Rc1 Nxd4 15. Bxd4 Bc6 16. Re1 Qd7 17. Bb6 Rdc8 18. Nb1 h5 19. Nc3 h4 20. g4 Bh6 21. Rc2 Ne8 22. Ne2 e5 23. Nc3 Qe6 24. Nd5 Bxd5 25. exd5 Qe7 26. b4 Nf6 27. c5 e4 {[#]} (27... Bf4+ $11 28. Kg1 Qf8) 28. Kg1 $1 $16 Nd7 (28... Bf4 $16) 29. Rxe4 $18 Qf6 $2 (29... Qf8 {might work better.} 30. Rec4 Nxb6 31. cxb6 Rxc4 32. Rxc4 Bg5) 30. Ba7 {Threatens to win with c6.} Ra8 31. c6 bxc6 {White is clearly winning.} 32. Bd4 Ne5 33. dxc6 Bf4 (33... Qd8 $142 34. Re1 Qc7) 34. c7 {Accuracy: White = 82%, Black = 21%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.18"]
[Round "7.3"]
[White "Bai, Jinshi"]
[Black "Lu, Shanglei"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2605"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,7,7,16,19,8,17,11,13,15,18,0,11,8,13,0,8,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4 {The position is equal.} 9. Ne5 {Strongly threatening Nxc6. D14: Slav Defence: Exchange variation with ...Bf5} Bxc3+ (9... Qb6 10. Nxc6 bxc6 11. Be2 Ne4 12. f3 Nxc3 13. bxc3 Be7 14. c4 g5 15. Be5 f6 16. Bg3 h5 {½-½ (32) Sevian,S (2642)-Mamedov,R (2701) Astana 2019}) 10. bxc3 Nxe5 11. Bxe5 O-O 12. Rc1 Rc8 13. Be2 Ne4 14. f3 Nd6 {[#]} 15. O-O $146 ({Predecessor:} 15. Bxd6 Qxd6 16. O-O Rc7 {½-½ (62) Morovic Fernandez,I (2528)-Lopez Gonzalez,A (2385) Santa Maria del Mar 2017}) 15... Nc4 16. Bxc4 Rxc4 17. Qxb7 Qc8 18. Qxc8 Rfxc8 19. g4 Bd3 20. Rf2 Rxc3 21. Rxc3 Rxc3 $11 {[%mdl 4096] Endgame KRB-KRB} 22. Rb2 Rc1+ 23. Kf2 {[#] Threatening mate with Rb8+.} Rc2+ 24. Rxc2 Bxc2 {KB-KB} 25. Bb8 Bb1 26. a4 a5 27. Bc7 Bc2 28. Bxa5 Bxa4 29. g5 f6 30. gxf6 gxf6 {Accuracy: White = 78%, Black = 89%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.18"]
[Round "7.4"]
[White "Xu, Yinglun"]
[Black "Li, Shilong"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2528"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,0,0,0,0,0,0,0,2,9,0,0,0,0,0,0,1,0,-4,-24,-8,-14,-12,-74,-62,-97,-102,-114,-97,-97,-91,-93,-99,-123,-112,-107,-106,-398,-213,-214,-181,-189,-176]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O 9. Rc1 Rd8 10. cxd5 exd5 11. Be2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (11. a3 Bf8 12. Be2 Ne7 13. O-O c6 14. b4 Ng6 15. b5 Bd7 16. bxc6 bxc6 17. Qa5 Re8 18. Rfe1 Bd6 {0-1 (45) Le,Q (2737)-Yu,Y (2751) Huaian 2017}) 11... a6 12. O-O Bf8 13. Qb3 {The position is equal.} Na5 14. Qd1 $146 ({Predecessor:} 14. Qc2 b6 15. Ne5 Bb7 16. Bd3 c5 17. Bh7+ Kh8 18. Bf5 Nc6 {1-0 (46) Biyiasas,P (2450)-Commons,K (2485) Lone Pine 1978}) 14... Nc6 {[%cal Ba5c6,Bc6e7,Be7g6][%mdl 32]} 15. a3 Ne7 16. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3,Bd3e5][%mdl 32]} c6 17. b4 Ng6 18. Nc5 Bd6 19. a4 b6 20. Nd3 a5 21. bxa5 (21. b5 $11 {keeps the balance.}) 21... Rxa5 $17 22. Qb3 c5 $36 {[%mdl 2048] [#] Hoping for ...c4. Black is on the roll.} 23. Nde5 c4 24. Qxb6 Rxa4 25. Qb5 Ra2 26. Rfe1 Be6 {...Rb8 is the strong threat.} 27. Nxg6 Qxg6 28. e4 $2 {[%mdl 8192]} (28. Qb6 $17 {was called for.} Raa8 29. Ne5) 28... dxe4 (28... Rb8 $142 29. Qc6 Bh3) 29. Ne5 $19 Bxe5 30. Qxe5 {[#]} Bd5 $1 {Accuracy: White = 52%, Black = 83%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.18"]
[Round "7.5"]
[White "Xu, Jun"]
[Black "Xu, Yi"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2487"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,69,50,39,43,42,40,33,49,38,44,35,41,37,30,10,16,6,21,13,23,26,15,11,18,18,12,3,20,20,20,20,23,23,23,20,20,16,20,12,25,0,16,16,16,16,16,17,22,15,22,25,43,40,37,0,42,0]} 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Nbd7 7. e5 Ne8 8. Qe2 c5 {B09: Pirc Defence: Austrian Attack} 9. Be3 cxd4 10. Bxd4 dxe5 11. fxe5 Nc7 12. Bc4 (12. O-O-O Ne6 13. Bc4 Nxd4 14. Rxd4 Qa5 15. Nd5 Kh8 16. h4 {1-0 (42) Schebler,G (2415)-Miciano,J (2224) Johor 2017}) 12... Nb6 {[%cal Bd7b6,Bb6d5,Bd5f4][%mdl 32]} 13. Bb3 Be6 $146 ({Predecessor:} 13... Bg4 14. Qe4 Bxf3 15. gxf3 Ne6 {½-½ (46) Kuijpers,F-Rocha,A Malaga 1965}) 14. Rd1 {[#] And now Bxb6 would win.} Qc8 15. O-O Nbd5 16. Ne4 Nf4 17. Qf2 Bxb3 18. axb3 Qg4 {Threatens to win with ...Nh3+.} 19. Ng3 h5 20. Be3 Nce6 21. h3 Qxg3 $1 {[%mdl 64] [#] Remove Defender, Decoy} 22. Qxg3 Ne2+ {[%mdl 64] Double Attack} 23. Kh2 Nxg3 24. Kxg3 Rfc8 25. c3 Kf8 26. Rd7 Rc7 27. Rfd1 (27. Rd5 {seems wilder.} b6 28. b4 Ke8 29. Ra1 Rd8 30. Rxd8+ Kxd8 31. Kf2) 27... Rxd7 28. Rxd7 b6 29. b4 Ke8 30. Rd1 Rc8 31. Kf2 Rc7 32. Ke2 Rc8 33. Ra1 Rc7 34. Rd1 Rc8 35. Ra1 {Accuracy: White = 66%, Black = 65%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.18"]
[Round "7.6"]
[White "Peng, Xiongjian"]
[Black "Xu, Xiangyu"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2451"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,17,16,5,13,13,10,10,13,4,13,13,10,10,10,10,10,10,5,20,8,23,14,30,-22,0,0,10,10,6,5,5,6,6,4,4,4,4,11,9,4,8,0,0,0,0,0,3,0,0]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6 5. Nxe5 Nxe5 6. Bxe4 d5 7. dxe5 dxe4 {C43: Petroff Defence: 3 d4} 8. Qxd8+ Kxd8 9. Nc3 Bb4 10. Bg5+ Ke8 11. O-O-O {[%csl Gg5][%cal Rd1d8] [#]} Bg4 {White must now prevent ...Bxc3.} 12. Rd4 Bxc3 $1 13. bxc3 h6 14. Be3 Bf5 15. Rhd1 Ke7 16. h3 {[#]} h5 $146 ({Predecessor:} 16... Rhd8 17. g4 Rxd4 18. Rxd4 Be6 19. a3 h5 20. Rxe4 hxg4 21. hxg4 Kd7 22. Rd4+ {½-½ (22) Sutovsky,E (2597)-Lalic,B (2548) Hastings 2000}) 17. Bg5+ f6 18. g4 ({White should play} 18. Bh4) 18... hxg4 {The position is equal.} (18... c5 {is more complex.} 19. exf6+ gxf6 20. Ra4 fxg5 21. gxf5 Rhe8) 19. hxg4 Be6 20. exf6+ gxf6 21. Bf4 Bxg4 22. Rxe4+ Kf7 23. Rde1 Rhe8 24. Bxc7 Bf5 25. R4e3 Rxe3 26. Rxe3 Re8 27. a4 Rxe3 28. fxe3 Bd7 29. a5 a6 30. Kb2 Ke6 {Accuracy: White = 77%, Black = 83%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.19"]
[Round "8.1"]
[White "Zhao, Jun"]
[Black "Xu, Xiangyu"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2621"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,64,8,14,0,25,22,20,18,25,4,29,20,29,29,51,51,41,51,59,29,27,27,27,27,27,29,28,14,14,15,34,33,45,47,109,103,125,120,116,115,113,86,168,171,229,225,220,223,340,339,432,427,401,389,29992]} 1. c4 g6 2. Nc3 c5 3. Nf3 Bg7 4. g3 Nc6 5. Bg2 d6 6. O-O e5 7. b3 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} h5 $146 ({Predecessor:} 7... Nge7 8. Bb2 O-O 9. e3 f5 10. a3 a5 11. Qc2 h6 12. Nd5 Nxd5 13. cxd5 Ne7 14. d3 b5 15. Nxe5 dxe5 {1-0 (37) Dubov,D (2614)-Karjakin,S (2777) Moscow 2014}) 8. Bb2 Nh6 9. e3 {The position is equal.} O-O 10. Nd5 Be6 11. h4 Ng4 12. Ng5 Bd7 13. a3 Rc8 14. b4 b6 15. Bc3 Ne7 16. bxc5 dxc5 17. a4 f6 18. Nxe7+ Qxe7 19. Bd5+ Kh8 20. Ne4 Rcd8 21. f3 Nh6 $1 22. Qb3 $36 {[%mdl 2048] White is more active.} Nf7 ({Black should try} 22... Rb8 $14) 23. a5 $16 f5 24. axb6 axb6 25. Bxf7 {Threatens to win with Ng5.} fxe4 {[#]} 26. Bd5 $1 ({Don't play} 26. Bxg6 $6 exf3 27. Bxh5 e4 $11) 26... exf3 (26... Bh3 $16) 27. Qxb6 $18 Kh7 (27... e4 {keeps fighting.}) 28. Rxf3 Rxf3 29. Bxf3 {Hoping for Ra7.} e4 {[#]} (29... Bf5 $142 30. Ra7 Rd7 31. Rxd7 Bxd7) 30. Bxg7 $1 ({Don't blunder} 30. Bxe4 $2 Qxe4 31. Qc7 Bxc3 $19) 30... exf3 31. Bf6 {[%mdl 64] Skewer} f2+ 32. Kh2 Ra8 $2 {Accuracy: White = 79%, Black = 33%.} (32... Rb8 $18 33. Qxb8 (33. Bxe7 Rxb6 34. Rf1 Rb4 $16) 33... Qxf6) 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.19"]
[Round "8.2"]
[White "Xu, Yi"]
[Black "Peng, Xiongjian"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2546"]
[BlackElo "2451"]
[Annotator "RC"]
[PlyCount "160"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:04]} Nbd7 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:01:42]} e5 {[%emt 0:00:00]} 5. Bc4 {[%emt 0:00:08]} Be7 {[%emt 0:00:01]} 6. O-O {[%emt 0:00:09]} O-O {[%emt 0:00:03]} 7. Re1 {[%emt 0:00:40]} c6 {[%emt 0:00:54]} 8. a4 {[%emt 0:00:06]} a5 {[%emt 0:00:04]} 9. h3 {[%emt 0:00:16]} h6 {[%emt 0:02:39]} 10. Ba2 {[%emt 0:05:36]} Re8 {[%emt 0:00:53]} 11. dxe5 {[%emt 0:05:30]} dxe5 {[%emt 0:01:13]} 12. Be3 {[%emt 0:00:20]} Bb4 {[%emt 0:01:44]} 13. Qd3 {[%emt 0:03:14]} Qe7 {[%emt 0:02:41]} 14. Nh4 {[%emt 0:12:58]} Nc5 {[%emt 0:07:46]} 15. Bxc5 {[%emt 0:06:57]} Bxc5 {[%emt 0:00:06]} 16. Qf3 {[%emt 0:03:31]} Nh7 {[%emt 0:02:27]} 17. Rad1 {[%emt 0:07:07]} Be6 {[%emt 0:05:15]} 18. Bxe6 {[%emt 0:01:45]} Qxe6 {[%emt 0:00:36]} 19. Nf5 {[%emt 0:01:08]} Rad8 {[%emt 0:07:58]} 20. Rxd8 {[%emt 0:02:13]} Rxd8 {[%emt 0:00:07]} 21. Rd1 {[%emt 0:00:04]} Qf6 {[%emt 0:02:16]} 22. Rd3 {[%emt 0:02:12]} Rxd3 {[%emt 0:03:00]} 23. Qxd3 {[%emt 0:01:06]} Nf8 {[%emt 0:01:13]} 24. Ne2 {[%emt 0:01:33]} h5 {[%emt 0:00:45]} 25. Qg3 {[%emt 0:11:07]} Ne6 {[%emt 0:04:12]} 26. Qf3 {[%emt 0:11:20]} Ng5 {[%emt 0:03:49]} 27. Qd3 {[%emt 0:00:15]} g6 {[%emt 0:03:51]} 28. Ne3 {[%emt 0:00:05]} Kg7 {[%emt 0:00:09]} 29. h4 {[%emt 0:04:22]} Ne6 {[%emt 0:00:24]} 30. g3 {[%emt 0:00:01]} Bxe3 {[%emt 0:03:00]} 31. Qxe3 {[%emt 0:00:54]} Qd8 {[%emt 0:00:04]} 32. Nc3 {[%emt 0:03:28]} Qd4 {[%emt 0:01:45]} 33. Kg2 {[%emt 0:02:16]} Nc5 {[%emt 0:03:46]} 34. Kf3 {[%emt 0:00:47]} Ne6 {[%emt 0:03:20]} 35. b3 {[%emt 0:04:56]} Kf6 {[%emt 0:01:24]} 36. Ke2 {[%emt 0:01:52]} Qb4 {[%emt 0:00:04]} 37. Kd1 {[%emt 0:00:37]} Nd4 {[%emt 0:01:01]} 38. Ne2 {[%emt 0:00:32]} Ne6 {[%emt 0:00:33]} 39. Nc1 {[%emt 0:01:40]} b5 {[%emt 0:01:35]} 40. Nd3 {[%emt 0:00:18]} Qc3 {[%emt 0:00:48]} 41. Qd2 {[%emt 0:01:07]} Qa1+ {[%emt 0:00:27]} 42. Qc1 {[%emt 0:00:24]} Qd4 {[%emt 0:00:41]} 43. Qe3 {[%emt 0:00:57]} Qa1+ {[%emt 0:07:19]} 44. Qc1 {[%emt 0:00:01]} Qa2 {[%emt 0:00:19]} 45. Qb2 {[%emt 0:02:23]} Qxb2 {[%emt 0:00:06]} 46. Nxb2 {[%emt 0:00:01]} Nc5 {[%emt 0:00:51]} 47. f3 {[%emt 0:00:24]} Ke6 {[%emt 0:00:07]} 48. Kd2 {[%emt 0:01:52]} Kd6 {[%emt 0:00:06]} 49. Kc3 {[%emt 0:02:48]} f5 {[%emt 0:04:41]} 50. Nd3 {[%emt 0:00:33]} Ne6 {[%emt 0:02:33]} 51. exf5 {[%emt 0:00:28]} gxf5 {[%emt 0:00:04]} 52. f4 {[%emt 0:00:07]} exf4 {[%emt 0:03:15]} 53. gxf4 {[%emt 0:00:11]} bxa4 {[%emt 0:03:06]} 54. bxa4 {[%emt 0:00:07]} Nc5 {[%emt 0:00:05]} 55. Ne5 {[%emt 0:02:05]} Nxa4+ {[%emt 0:00:05]} 56. Kd4 {[%emt 0:00:07]} c5+ {[%emt 0:03:46]} 57. Kc4 {[%emt 0:00:12]} Nb2+ {[%emt 0:01:22]} 58. Kb3 {[%emt 0:00:38]} Nd1 {[%emt 0:00:03]} 59. Ka4 {[%emt 0:01:23]} Kd5 {[%emt 0:01:46]} 60. Nd7 {[%emt 0:00:29]} Ke4 {[%emt 0:01:35]} 61. Nf6+ {[%emt 0:00:06]} Kxf4 {[%emt 0:00:19]} 62. Nxh5+ {[%emt 0:00:04]} Kg4 {[%emt 0:00:49]} 63. Ng7 {[%emt 0:00:05]} Nc3+ {[%emt 0:06:45]} 64. Kb3 {[%emt 0:00:02]} Ne4 {[%emt 0:00:23]} 65. h5 {[%emt 0:01:11]} f4 {[%emt 0:00:27]} 66. h6 {[%emt 0:00:04]} Nf6 {[%emt 0:00:06]} 67. Ne8 {[%emt 0:00:33]} Kg5 {[%emt 0:01:47]} 68. Nd6 {[%emt 0:00:45]} f3 {[%emt 0:01:02]} 69. Ne4+ {[%emt 0:01:16]} Nxe4 {[%emt 0:00:09]} 70. h7 {[%emt 0:00:04]} f2 {[%emt 0:00:08]} 71. h8=Q {[%emt 0:00:05]} f1=Q {[%emt 0:00:04]} 72. Qd8+ {[%emt 0:00:23]} Kf4 {[%emt 0:00:32]} 73. Qf8+ {[%emt 0:02:00]} Ke3 {[%emt 0:00:07]} 74. Qh6+ {[%emt 0:00:11]} Qf4 {[%emt 0:00:23]} 75. Qh3+ {[%emt 0:00:02]} Qf3 {[%emt 0:00:05]} 76. Qh6+ {[%emt 0:00:03]} Kd4+ {[%emt 0:00:53]} 77. Ka4 {[%emt 0:00:27]} Nc3+ {[%emt 0:00:10]} 78. Kxa5 {[%emt 0:00:13]} Qa8+ {[%emt 0:00:05]} 79. Kb6 {[%emt 0:00:03]} Nd5+ {[%emt 0:00:13]} 80. Kb5 {[%emt 0:00:01]} Nc7+ {[%emt 0:00:13]} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.19"]
[Round "8.3"]
[White "Li, Shilong"]
[Black "Xu, Jun"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2507"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,95,0,0,0,14,-6,0,0,0,0,0,-13,8,12,5,0,7,2,11,-6,35,0,25,7,12,0,6,0,35,25,45,35,25,27,38,11,36,0,11,0,5,0,22,21,23,-18,-18,-59,-42,-213,-220,-226,-193,-422,-430,-393,-428,-402,-374,-462,-466,-712,-691,-29993,-29994,-29994,-29993,-29994,-29983,-29986,-29987,-29987,-29988,-29995,-29996,-29996,-29997,-29997,-29998,-29999]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. Bb2 Nc6 8. e3 b6 9. Nc3 Ba6 10. Qe2 {A14: English Opening: 1...e6 with b3 by White} Rc8 11. d3 Qc7 (11... Qd7 12. Rfd1 Rfd8 13. a3 h6 14. Rab1 Bb7 15. cxd5 Nxd5 16. Nxd5 Qxd5 17. Bc3 a5 18. Qb2 Bf8 19. d4 {½-½ (19) Fier,A (2551)-Kryvoruchko,Y (2680) Sharjah 2019}) 12. Rfd1 {The position is equal.} Rfd8 13. a3 Qb8 14. Rac1 Bb7 $146 ({Predecessor:} 14... Na5 15. Qc2 d4 16. exd4 cxd4 17. Nb1 Nc6 18. b4 b5 {1-0 (37) Berczes,D (2513)-Lamoureux,C (2374) Budva 2009}) 15. cxd5 Nxd5 16. Nxd5 Rxd5 17. Nd2 Rd7 18. f4 (18. Bc3 {seems wilder.} Nd8 19. Bh3 Nc6 20. f4 Rcd8 21. Ne4) 18... Nd8 19. Nf3 (19. Bh3 {with more complications.} Qc7 20. Ne4 f5 21. Nf2 Nc6 22. e4) 19... f6 20. e4 Bf8 21. Bh3 Re7 22. b4 Re8 23. b5 a6 24. a4 axb5 25. axb5 Nf7 26. e5 f5 27. Bg2 Rcd8 28. Ra1 Qc7 29. Bc3 Ra8 30. Nd2 Bxg2 31. Kxg2 (31. Qxg2 $5 {[%cal Ra1a8]} Rxa1 32. Rxa1 $11) 31... Qd7 32. Rxa8 Rxa8 33. Rb1 $2 (33. d4 $1 $15) 33... Ra3 $19 34. Rc1 Qxb5 35. Qf3 $2 {[#]} (35. Nc4 {might work better.} Qc6+ 36. Kg1) 35... Rxc3 $1 {[%mdl 576] Remove Defender, Decoy} 36. Rxc3 Qb2 $1 {[%csl LRc3,LRd2][%mdl 64] Double Attack} 37. Rb3 Qxd2+ 38. Qf2 Qa5 39. Qb2 (39. Rb2 $142 b5 40. Ra2) 39... Qa8+ 40. Kh3 g5 {Black mates.} 41. Rxb6 g4+ 42. Kh4 Be7+ 43. Kh5 Qf8 {[%csl Gf7][%cal Rf8h6]} 44. Rxe6 Nd8 45. Rf6 Qe8+ 46. Kh4 Qg6 {[%cal Rg6h6][%mdl 64] [#] Pin} 47. Qb3+ Kg7 {[%cal Rg6h6][%mdl 64] Pin} 48. e6 {Accuracy: White = 22%, Black = 62%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.19"]
[Round "8.4"]
[White "Lu, Shanglei"]
[Black "Xu, Yinglun"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2606"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,66,-14,8,0,0,0,0,0,30,31,31,33,55,35,51,45,47,55,39,25,46,47,22,26,46,39,70,76,68,0,0,0,56,0,0,0,28,28,23,15,32,5,11,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 Nc6 12. dxc5 {C12: French: Classical System: McCutcheon Variation} Qa5 13. Qf4 Qxc5 14. Nd4 a6 {[#]} (14... Bd7 15. Rhb1 O-O-O 16. Rb5 Qe7 17. Rab1 b6 18. Nxc6 Bxc6 19. R5b4 g5 {½-½ (65) Anand,V (2817)-Nakamura,H (2774) Monte Carlo 2011}) 15. Nxc6 $146 ({Predecessor:} 15. Rhb1 b5 16. Nxc6 Qxc6 17. a4 bxa4 18. Rxa4 Qc5 19. Qf6 {½-½ (41) De Firmian,N (2649)-Kraai,J (2516) Reno 2003}) 15... Qxc6 16. h4 Bd7 17. Rab1 Rc8 18. Rb3 h5 19. Rh3 {Strongly threatening Rf3.} Rc7 20. Qf6 Rg8 21. Rf3 Bc8 22. Rf4 Qc5 23. c4 dxc4 24. Rxc4 Qa5+ {[%mdl 64] [#] Double Attack} 25. Ke2 (25. Rcb4 $1 $14) 25... Rxc4 $11 26. Bxc4 Qd8 (26... Qxa2 $11 27. Qxf7+ Kxf7 28. Rf3+ {[%mdl 64] Discovered Attack} Ke7 29. Bxa2 Bd7) 27. Rd3 ({White should try} 27. Bd3 $14) 27... Qxf6 28. exf6 {[%mdl 4096] Endgame KRB-KRB} g5 (28... b5 $5 {[%cal Rb5c4]} 29. Bb3 g5 $11) 29. Rg3 g4 $1 30. Bd3 Rh8 31. Re3 Kd7 {The position is equal.} 32. Re5 Kd6 33. Rg5 e5 {Accuracy: White = 71%, Black = 60%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.19"]
[Round "8.5"]
[White "Wen, Yang"]
[Black "Bai, Jinshi"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2602"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,62,12,31,12,32,18,12,0,14,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. O-O Bd6 8. c4 c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 O-O 12. Qh5 {[%csl Gd3][%cal Rh5h7] C43: Petroff Defence: 3 d4} g6 13. Qxd5 {[%mdl 64] [#] Double Attack} Qc7 {[#] The position is equal.} 14. Bh6 $146 ({Predecessor:} 14. Qf3 Qxc3 15. Bh6 Rfe8 16. Qf6 Bf8 17. Bxf8 {½-½ (31) Efimenko,Z (2651)-Oleksienko,M (2568) Abu Dhabi 2013}) 14... Rfd8 15. Qf3 Qxc3 16. Qf6 {[%csl Gh6][%cal Rf6g7]} Bf8 17. Bxf8 Rxf8 18. Be4 Bc6 19. Rac1 Qb4 20. Bxc6 bxc6 21. Rxc6 Rad8 22. Ra6 (22. g3 {seems wilder.} Rxd4 23. Rfc1 Rd7 24. h4 h5 25. Kh2) 22... Qxd4 23. Qxd4 Rxd4 24. Rxa7 $11 {[%mdl 4096] Endgame KRR-KRR} Rc8 25. g3 Rc2 26. h4 h5 27. Kg2 Rdd2 28. a4 Ra2 29. Ra6 Rd4 30. Re1 Raxa4 31. Rxa4 Rxa4 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.19"]
[Round "8.6"]
[White "Zhao, Yuanhe"]
[Black "Liu, Yan"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2437"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,66,12,14,14,11,19,19,22,10,34,-1,-5,-5,-1,-6,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,8,13,13,21,4,27,13,12,17,89,89,64,0,0,0,0,0,0,0,0,0,-16]} 1. Nf3 Nf6 2. c4 b6 3. b3 Bb7 4. e3 g6 5. Bb2 Bg7 6. Be2 O-O 7. O-O d6 8. d4 Nbd7 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 9. Qc2 e6 (9... c5 10. Rd1 cxd4 11. Nxd4 Rc8 12. Nc3 a6 13. Rac1 Rc7 14. Bf3 Qa8 15. Bxb7 Qxb7 16. Qe2 {0-1 (54) Nakamura,H (2781)-Liang,A (2572) chess.com INT 2018}) 10. Nc3 c5 11. Rad1 Qe7 12. dxc5 Nxc5 13. b4 Nce4 14. Nxe4 Nxe4 15. Bxg7 Kxg7 16. Nd4 e5 17. Nb5 {[#]} a6 $146 ({Predecessor:} 17... f5) 18. Nc3 Nxc3 19. Qxc3 Rfd8 20. a3 Rac8 21. Qb3 Qe6 22. Qb2 Bc6 23. Rd2 Ba4 24. h3 b5 25. cxb5 axb5 26. Bg4 f5 27. Bd1 Kf7 (27... Bxd1 $11 28. Rfxd1 d5) 28. Bxa4 $16 bxa4 29. Rfd1 ({White should play} 29. b5 $14) 29... Qb3 $11 {The position is equal.} 30. Qxb3+ axb3 31. Rb2 Rc3 32. a4 Rb8 33. b5 Ke6 {Accuracy: White = 75%, Black = 58%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.1"]
[White "Liu, Yan"]
[Black "Zhao, Jun"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2502"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,79,30,25,67,56,69,49,97,64,67,78,92,71,121,123,127,122,122,125,122,123,124,133,108,107,114,110,97,100,172,170,281,268,367,343,360,341,428,422,450,410,379,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Qc2 e5 8. Rd1 Re8 9. Nc3 c6 10. e4 exd4 11. Nxd4 Qe7 12. Bf4 Ne5 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} 13. b3 $1 a6 14. h3 {[#]} (14. a4) 14... h5 $146 {White is slightly better.} ({Predecessor:} 14... b5 15. c5 dxc5 16. Bxe5 cxd4 17. Bxd4 Be6 18. e5 Nd7 19. f4 Rac8 20. Ne4 {½-½ (46) Liu,Y (2476)-Kotronias,V (2529) Moscow 2018}) 15. Be3 h4 16. f4 Ned7 {[#]} 17. g4 $1 (17. gxh4 Nc5 $11) 17... Nxe4 18. Qxe4 ({But not} 18. Nxe4 $6 d5 $14) 18... Qxe4 19. Nxe4 d5 20. cxd5 cxd5 21. Nc3 {[%cal Be4c3,Bc3d5,Bd5c7][%mdl 32]} Rxe3 22. Nxd5 Re1+ 23. Rxe1 Bxd4+ 24. Kf1 Bxa1 25. Rxa1 Kf8 (25... Nf8 $16) 26. Re1 $18 Rb8 {[#]} (26... Ra7 $142 27. Kg1 Nb8) 27. Nc7 $1 b5 28. Re8+ Kg7 {Now ...Bb7 and Black clings on.} 29. Kg1 b4 30. g5 a5 31. Bc6 Nc5 32. Nd5 $2 ({White should play} 32. Kh2 $18) 32... Na6 $1 $11 {The position is equal.} 33. Nf6 {[%csl Gf6][%cal Re8g8]} Bxh3 34. Re5 Nc7 {Black wants to play ...Ne6.} 35. Re7 Ne6 36. Be8 Nd8 37. Bb5 {Hoping for Re8!} Ne6 ({Worse is} 37... Rxb5 38. Re8 Rxg5+ 39. fxg5 Bf5 40. Rg8#) 38. Be8 Nd8 39. Bb5 {Black must now prevent Re8!} Ne6 ({And not} 39... Rxb5 40. Re8 Rxg5+ 41. fxg5 Bf5 42. Rg8#) 40. Be8 {Accuracy: White = 93%, Black = 45%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.2"]
[White "Bai, Jinshi"]
[Black "Zhao, Yuanhe"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2605"]
[BlackElo "2437"]
[Annotator "ChessBase"]
[PlyCount "105"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:26]} g6 {[%emt 0:00:06]} 3. g3 {[%emt 0:00:21]} Bg7 {[%emt 0:00:17]} 4. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:25]} 5. O-O {[%emt 0:00:58]} c5 {[%emt 0:01:02]} 6. dxc5 {[%emt 0:00:50]} Na6 {[%emt 0:06:20]} 7. Be3 {[%emt 0:03:33]} Qc7 {[%emt 0:06:25]} 8. Nc3 {[%emt 0:05:50]} Nxc5 {[%emt 0:01:54]} 9. Nb5 {[%emt 0:00:14]} Qb6 {[%emt 0:02:39]} 10. a4 {[%emt 0:11:45]} Ng4 {[%emt 0:07:47]} 11. Bd4 {[%emt 0:14:18]} Bxd4 {[%emt 0:03:28]} 12. Qxd4 {[%emt 0:00:27]} d6 {[%emt 0:00:10]} 13. b4 {[%emt 0:05:13]} Nxa4 {[%emt 0:02:29]} 14. c4 {[%emt 0:01:43]} Qxd4 {[%emt 0:11:48]} 15. Nfxd4 {[%emt 0:00:08]} Nb6 {[%emt 0:00:10]} 16. c5 {[%emt 0:02:29]} dxc5 {[%emt 0:11:06]} 17. bxc5 {[%emt 0:00:07]} Nd7 {[%emt 0:00:27]} 18. c6 {[%emt 0:03:09]} e5 {[%emt 0:00:39]} 19. Nc7 {[%emt 0:09:25]} exd4 {[%emt 0:02:46]} 20. cxd7 {[%emt 0:02:37]} Bxd7 {[%emt 0:00:08]} 21. Nxa8 {[%emt 0:00:05]} Rxa8 {[%emt 0:00:04]} 22. Bxb7 {[%emt 0:00:07]} Re8 {[%emt 0:00:05]} 23. Rxa7 {[%emt 0:03:14]} Bb5 {[%emt 0:00:11]} 24. Bd5 {[%emt 0:07:58]} Nh6 {[%emt 0:00:19]} 25. Rd1 {[%emt 0:01:26]} Rxe2 {[%emt 0:06:48]} 26. Rxd4 {[%emt 0:00:21]} Re1+ {[%emt 0:03:08]} 27. Kg2 {[%emt 0:00:06]} Bf1+ {[%emt 0:04:16]} 28. Kf3 {[%emt 0:00:06]} Re5 {[%emt 0:00:22]} 29. g4 {[%emt 0:03:00]} Bh3 {[%emt 0:05:35]} 30. Ba2 {[%emt 0:10:05]} Rg5 {[%emt 0:03:38]} 31. Raa4 {[%emt 0:00:11]} Kg7 {[%emt 0:06:05]} 32. Kg3 {[%emt 0:00:57]} Bxg4 {[%emt 0:00:08]} 33. Rxg4 {[%emt 0:00:32]} Nxg4 {[%emt 0:00:07]} 34. Rxg4 {[%emt 0:00:04]} Ra5 {[%emt 0:00:03]} 35. Bc4 {[%emt 0:00:35]} Ra3+ {[%emt 0:00:09]} 36. f3 {[%emt 0:00:10]} Ra7 {[%emt 0:03:16]} 37. Rd4 {[%emt 0:00:28]} h6 {[%emt 0:00:30]} 38. Rd6 {[%emt 0:00:17]} Ra4 {[%emt 0:01:42]} 39. Rc6 {[%emt 0:00:48]} Ra7 {[%emt 0:00:05]} 40. Kf4 {[%emt 0:00:04]} Kf8 {[%emt 0:00:19]} 41. Ke5 {[%emt 0:00:29]} Kg7 {[%emt 0:01:56]} 42. Bd5 {[%emt 0:02:43]} h5 {[%emt 0:00:37]} 43. Rb6 {[%emt 0:01:25]} Re7+ {[%emt 0:00:06]} 44. Kd4 {[%emt 0:01:47]} Re2 {[%emt 0:00:46]} 45. Rb7 {[%emt 0:00:42]} Rxh2 {[%emt 0:00:06]} 46. Rxf7+ {[%emt 0:00:05]} Kh6 {[%emt 0:00:03]} 47. Ke5 {[%emt 0:00:37]} h4 {[%emt 0:01:23]} 48. Kf6 {[%emt 0:01:45]} Rg2 {[%emt 0:03:34]} 49. Rc7 {[%emt 0:02:20]} Rd2 {[%emt 0:01:38]} 50. Rc8 {[%emt 0:00:25]} Kh7 {[%emt 0:00:04]} 51. Bg8+ {[%emt 0:00:05]} Kh6 {[%emt 0:00:04]} 52. Be6 {[%emt 0:00:06]} Kh7 {[%emt 0:00:06]} 53. Rc4 {[%emt 0:00:04]} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.3"]
[White "Xu, Yinglun"]
[Black "Wen, Yang"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2528"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,48,13,4,22,6,8,9,21,6,5,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. O-O Be7 9. Qe2 cxd4 10. Rd1 e5 11. exd4 exd4 12. Nxd4 Nxd4 13. Qe5 {[#] Threatens to win with Bh6.The position is equal.} Qd6 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 14. Qxd4 Qxd4 15. Rxd4 Be6 16. Bxe6 fxe6 17. Be3 {[#]} Rc8 $146 ({Predecessor:} 17... Kf7 18. Rad1 Rhd8 19. Kf1 Rac8 20. Ke2 Rxd4 21. Bxd4 Rd8 22. f3 Ra8 23. Ke1 Ng8 24. Nb1 {½-½ (24) Shneider,A (2506)-Tkachiev,V (2632) Bastia 2001}) 18. Rad1 h6 19. h3 Kf7 20. R4d3 (20. Kf1 {is more complex.} e5 21. R4d3 Ke6 22. f3 Rhd8 23. Ke2) 20... Rhd8 21. Rxd8 Bxd8 22. Bd4 Ke7 23. Kf1 Rc6 24. Ke2 Bb6 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.4"]
[White "Xu, Jun"]
[Black "Lu, Shanglei"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2487"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,77,0,14,-35,0,-29,-15,-38,-8,-41,-9,-7,-4,-12,-2,0,0,-18,-18,-16,-16,-15,-16,-15,-18,-27,-13,-8,-12,-15,-9,-10,-15,-10,0,0,0,0,0,-30,0,-106,-98,-88,-35,-136,-116,-227,-6,-86,-44,-259,-232,-206,-159,-287,-228,-392,-422,-385]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. d4 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O dxc4 9. Bxc4 b5 10. Be2 Bb7 11. Ng5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} Rc8 12. Bf3 Qc7 13. h3 {[#] The position is equal.} a6 $146 ({Predecessor:} 13... Be7 14. Nge4 Rfd8 15. a3 e5 16. b4 exd4 17. exd4 {½-½ (17) Chernuschevich,A (2497)-Bauer,C (2612) Belfort 2010}) 14. Rd1 c5 (14... h6 $5 15. Nge4 $8 Be7 $11) 15. Bxb7 Qxb7 {[#]} 16. d5 $1 {[%mdl 512]} exd5 {[#]} 17. Nxd5 $1 {[%mdl 512]} Rcd8 (17... Nxd5 18. Qxh7#) 18. Nxf6+ (18. b4 {keeps more tension.} h6 19. bxc5 Bxc5 20. Nxf6+ Nxf6 21. Bb2) 18... Nxf6 19. Bd2 {Black must now prevent Bc3.} h6 20. Nf3 Rd7 21. Bc3 Ne4 22. Be5 Rfd8 {Strongly threatening ...Bxe5.} 23. Bxd6 Rxd6 24. Rxd6 Rxd6 25. Rd1 Rd5 26. Qb3 Rxd1+ (26... c4 $5 27. Qc2 $8 Nc5 $11) 27. Qxd1 Qe7 28. Qd5 Qe6 29. Qb7 b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 30. a3 {[#]} (30. Qc7 $11 {remains equal.}) 30... b3 $1 $17 31. a4 g6 ({Black should try} 31... Kh8 $17) 32. a5 (32. Qc7 $1 $15) 32... Kg7 33. g3 (33. Qa7 $17) 33... Ng5 $2 ({Black should play} 33... g5 $19 34. Kg2 h5) 34. Nd2 (34. Nxg5 $11 {keeps the balance.} hxg5 35. Qb8) 34... Qf6 ({But not} 34... Nxh3+ $6 35. Kg2 $11) 35. Qxb3 $2 (35. Kg2 $1 $15) 35... Nxh3+ $19 {[%mdl 64] Double Attack} 36. Kg2 Nxf2 37. Qb6 (37. Qc3 $17 {was necessary.} Qxc3 38. bxc3) 37... Qf5 {( -> ...Ng4)} 38. Qxa6 $2 {[#]} (38. e4 Nxe4 39. Nxe4 Qxe4+ 40. Kf2) 38... Nd3 $1 {Hoping for ...Qf2+.} ({Less strong is} 38... Ng4 39. Qe2 $15) 39. Nf3 {Accuracy: White = 22%, Black = 36%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.5"]
[White "Peng, Xiongjian"]
[Black "Li, Shilong"]
[Result "*"]
[ECO "A49"]
[WhiteElo "2451"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,23,20,25,18,12,10,8,0,2,20,6]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 e5 7. dxe5 dxe5 8. Ba3 Qxd1 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 9. Rxd1 {The position is equal.} Re8 10. c4 e4 11. Nd4 $1 e3 {aiming for ...exf2+.} 12. f3 {Predecessor:} Na6 $146 13. Nc3 c6 14. Rac1 h5 15. h4 Bf8 16. Bxf8 Kxf8 {½-½ (47) Vidit,S (2693)-Le,Q (2739) Tbilisi 2017} *

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.5"]
[White "Peng, Xiongjian"]
[Black "Li, Shilong"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2451"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,17,18,20,22,10,8,7,0,24,11,35,18,95,82,83,84,99,73,93,106,108,100,109,106,103,104,114,111,116,114,99,102,125,116,150,152,161,159,162,159,169,169,161,163,163,159,167,154,146,150,119,116,116,118,122,121,121,121,315,269,560,542,870,833,716,682,1674,1677,2773,670,1709,506,4586,29968,29971,29971,29980,29977,29977,29978,29977,29979,29969,29970,29988,29989,29989,29990]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 e5 7. dxe5 dxe5 8. Ba3 Qxd1 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 9. Rxd1 Re8 10. c4 e4 {The position is equal.} 11. Nd4 $1 e3 {Strongly threatening ...exf2+.} 12. f3 Bd7 $146 ({Predecessor:} 12... Na6 13. Nc3 c6 14. Rac1 h5 15. h4 Bf8 16. Bxf8 Kxf8 {½-½ (47) Vidit,S (2693)-Le,Q (2739) Tbilisi 2017}) 13. Nc3 $36 {[%mdl 2048] Black is under pressure.} Nc6 (13... a5 $11 {remains equal.}) 14. Nxc6 $16 Bxc6 15. Rac1 a6 16. Nd5 Bxd5 17. cxd5 Rad8 18. f4 $1 (18. Rxc7 $6 Nxd5 19. Rxb7 Nc3 $11) 18... Rd7 19. d6 cxd6 20. Rxd6 Bf8 21. Rxd7 Bxa3 22. Rdc7 {And now R1c2 would win.} Bxc1 23. Rxc1 {[%mdl 4096] Endgame KRB-KRN} Ne4 24. Rc4 f5 25. Bxe4 fxe4 {KR-KR} 26. Rc3 b5 27. a3 a5 28. Rxe3 b4 29. axb4 axb4 {[#]} 30. g4 $1 Kg7 31. Kf2 h6 32. Rg3 Rc8 33. Ke3 Rc2 34. Rg2 ({Of course not} 34. Kxe4 $6 Rxe2+ 35. Re3 Rxh2 $11) 34... Rc3+ 35. Kxe4 Rxb3 {[#]} 36. e3 $1 Kf6 $2 (36... Ra3 $16 37. Rb2 b3) 37. Rd2 $18 Ke6 $2 (37... Ke7 38. Rc2 Kd6) 38. f5+ gxf5+ 39. gxf5+ Ke7 40. Rd4 Rb1 {If Black can now play ...b3 this consolidates a bit.} 41. Ke5 b3 42. f6+ {Played: Rd4-b4} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.20"]
[Round "9.6"]
[White "Xu, Xiangyu"]
[Black "Xu, Yi"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2583"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,143,14,17,22,0,8,21,18,11,17,14,34,29,66,69,69,62,64,62,71,68,71,65,79,64,96,71,63,50,59,50,50,48,95,89,84,68,89,76,103,85,111,100,118,113,122,121,150,105,114,100,109,93,101,99,105,81,89,85,75,77,109,66,66,60,60,60,60,60,53,51,77,77,135,106,159,89,254,124,124,124,404,404,404,393,326,309,404,404,292,212,876,864,843,816,784,484,431,424,746,724,690,374,379,181,133,0,386,291,334,308,814,816,549,282,282,260,834,655,1170,1622,861,861,29968,29970,29986,29987,29993,29994]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 c5 8. cxd5 exd5 9. dxc5 Bxc3+ {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 10. bxc3 (10. Qxc3 Qxc3+ 11. bxc3 Na6 12. O-O-O Be6 13. e4 dxe4 14. Bxa6 bxa6 15. Nd4 Rc8 16. c6 Bxa2 17. Rhe1 {1-0 (33) Melkumyan,H (2660)-Can,E (2588) Batumi 2018}) 10... O-O 11. Nd4 Be6 {The position is equal.} 12. g3 Nd7 13. Qxb7 Rab8 $146 ({Predecessor:} 13... Rfb8 14. Qc7 Rc8 15. Qf4 Rxc5 16. Bg2 Rxc3 17. O-O {½-½ (35) Wang,S (2267)-Xu,Y (2446) Qinhuangdao 2017}) 14. Qxa7 Qg6 {Hoping for ...Rb1+.} 15. f3 {Black must now prevent c6.} Ra8 16. Qc7 {And now c6 would win.} Rfc8 17. Qd6 {Threatens to win with c6.} Nxc5 18. Bg2 Ra6 19. Qe5 Nd7 {[%cal Bc5d7,Bd7b6,Bb6c4][%mdl 32]} 20. Qe3 Ra3 21. Rc1 Nb6 22. O-O Nc4 23. Qf4 Rxa2 24. Ra1 Rca8 25. Rxa2 Rxa2 26. Rd1 Rb2 27. h4 Kh7 28. Kh2 Rb1 29. Rc1 Rxc1 30. Qxc1 Qf6 31. f4 Qg6 32. f5 {[%mdl 64] [#] Deflection} Bxf5 33. Bxd5 Nb6 34. Bf3 Bg4 35. Bg2 Qd6 36. Qe3 {aiming for Qe4+.} g6 37. Nb5 Qe6 38. Qf4 {Strongly threatening Nd4.} Qf5 39. Qb4 {Nd6 is the strong threat.} Nd5 40. Bxd5 Qxd5 41. Qxg4 Qxb5 $14 {[%mdl 4096] Endgame KQ-KQ} 42. Qf3 Kg8 43. Kg2 h5 44. Qe4 Qc5 (44... Qb2 $142) 45. c4 Kg7 ({Better is} 45... Kf8) 46. Kf1 (46. Kf3 $142) 46... f6 $2 (46... Kf6 $16) 47. Kg2 (47. Qb7+ $18 {is the precise move to win.} Kf8 48. Qd5) 47... g5 $16 48. Qd5 Qe3 $2 {[%mdl 8192]} (48... Qe7 $16 {was worth a try.}) 49. Qf3 $18 Qc5 50. hxg5 Qxg5 51. Qb7+ Kh6 52. Qd5 Qe3 53. Qf3 Qe7 $2 (53... Qg5 54. Qc3 Kg6) 54. Kf2 Kg6 55. Qd5 Qb4 56. Qg8+ Kh6 57. Qe6 Kg6 (57... Kg7 $142 58. Qd5 Kf8) 58. Qd5 Kh6 59. Qc6 Kg6 60. Kg2 (60. Qb5 $142 Qd6 61. Qd5) 60... Qe7 {[#]} 61. Kf2 $2 {[%mdl 8192]} (61. Kf1 $1 $16) 61... Qb4 $1 62. Qe8+ Kg7 63. Qb5 ({Not} 63. Qxh5 Qxc4 64. Qf5 Qd4+ 65. Kf3 Qd1 $16) 63... Qc3 $2 (63... Qd2 64. Qxh5 Qd4+ 65. Kf3 Qc3+ 66. e3 Qd3) 64. Qd7+ Kh6 65. Qd3 Qb4 66. Qe3+ Kh7 $2 (66... Kg6 67. Qe8+ Kg7) 67. c5 h4 68. c6 hxg3+ 69. Kg2 Qa4 70. Qe6 {White mates.} Kg7 71. c7 Qa7 72. c8=Q {Accuracy: White = 60%, Black = 44%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.21"]
[Round "10.1"]
[White "Zhao, Jun"]
[Black "Xu, Yi"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2621"]
[BlackElo "2546"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,-5,-8,-3,-5,-4,-5,-6,-4,0,-16,-3,-7,-4,-31,-25,-68,-52,-65,-66,-54,-48,-80,-60,-67,-79,-78,-80,-95,-83,-93,-35,-38,-31,-23,0,0,15,14,40,28,64,64,73,71,69,53,48,34,68,52,105,68,84,58,114,149,372,379,442,412,534,530,489,420,559,547,738,728]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 Bc5 5. Bg2 d6 6. d3 a5 {C26: Vienna Game: 2...Nf6, sidelines} (6... a6 7. O-O h6 8. h3 Be6 9. Kh2 d5 10. exd5 Nxd5 11. Nxe5 Nxe5 12. d4 Nxc3 13. bxc3 Qf6 14. dxc5 Rd8 15. Qh5 g6 16. Qh4 Nf3+ 17. Bxf3 Qxf3 {½-½ (76) Kamsky,G (2670)-Shirov,A (2652) Sochi 2018}) 7. O-O O-O 8. a4 $146 ({Predecessor:} 8. h3 h6 9. Be3 Bxe3 10. fxe3 Ne7 11. Nh4 c6 12. Kh2 Be6 13. d4 d5 14. Rxf6 gxf6 {0-1 (52) Utegaliev,A (2522)-Batchuluun,T (2525) Chengdu 2017}) 8... h6 {The position is equal.} 9. Nb5 Ne7 10. c3 c6 11. Na3 Ng6 $36 {[%mdl 2048] White is under pressure.} 12. Bd2 Re8 13. Qc2 d5 14. b4 axb4 15. cxb4 Bd6 16. Rfb1 Be6 17. a5 Qd7 18. Ne1 Bh3 19. Bh1 Rac8 20. Qb2 Bf8 (20... h5 $17) 21. Be3 $15 Ng4 22. Bb6 f5 23. b5 Nf6 {[%cal Rf5e4]} (23... fxe4 {is interesting.} 24. dxe4 Qf7 25. bxc6 Rxc6 26. exd5 Rxb6 27. Qxb6 Nxf2 28. Bg2 Bxg2 29. Nxg2 Nh3+) 24. bxc6 bxc6 25. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} fxe4 26. dxe4 Nxe4 27. Bxe4 dxe4 28. Nc4 {[%cal Ba3c4,Bc4e3,Be3g2][%mdl 32]} c5 29. a7 Ra8 30. Ne3 Nf4 (30... Qf7 $14) 31. gxf4 exf4 32. N3g2 Qg4 {[#] aiming for ...Bxg2.} 33. Bc7 $1 {[%cal Rc7f4]} f3 $2 {[#]} (33... Bxg2 $16 {was necessary.} 34. Nxg2 f3 {[%mdl 64] Pin}) 34. Qa2+ $1 $18 Kh7 {[%cal Rh3g2]} 35. Rb8 Qd7 36. Rxe8 Qxe8 37. Ne3 Be6 38. Qb1 Qg6+ 39. Bg3 {Accuracy: White = 65%, Black = 46%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.21"]
[Round "10.2"]
[White "Li, Shilong"]
[Black "Xu, Xiangyu"]
[Result "1/2-1/2"]
[WhiteElo "2507"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "19"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,19,-23,-23,-22,-11,-5,0,-18,0,-12,0,-23]} 1. d4 Nf6 2. Bf4 b6 (2... d5 3. e3 c5 4. c3 Nc6 5. Nd2 Qb6 6. Qb3 Nh5 7. Qxb6 axb6 8. Bc7 cxd4 9. exd4 e5 10. Bxe5 Nxe5 11. dxe5 Bc5 12. g3 O-O {1-0 (76) Aronian,L (2765)-Caruana,F (2832) London 2018}) 3. Nc3 Bb7 4. Qd3 d5 5. Nf3 e6 6. Ne5 $146 {A45: Trompowsky Attack} ({Predecessor:} 6. Nd2 Bd6 7. g3 c5 8. Bxd6 Qxd6 9. Bg2 O-O 10. O-O Ba6 11. Nb5 Bxb5 12. Qxb5 cxd4 {1-0 (41) Artinyan,R (2044)-Jackson,T (2061) Riscle 2017}) 6... Nh5 {The position is equal.} 7. Bd2 Nf6 8. Bf4 Nh5 9. Bd2 Nf6 10. Bf4 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.21"]
[Round "10.3"]
[White "Lu, Shanglei"]
[Black "Peng, Xiongjian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2606"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,91,33,39,35,41,32,58,41,175,174,335,323,295,156,182,191,188,171,170,187,196,190,185,174,189,196,195,191,189,178,195,150,198,189,241,223,250,267,262,259,433,431,402,345,332,345,325,309,309,302,321,312,332,314,324,306,491,554,546,533,538,540,556,560,587,576,697,679,751,730]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 O-O 7. Nbd2 a6 8. Bb3 Ba7 9. h3 Ne7 10. Re1 Ng6 11. Nf1 h6 ({Predecessor:} 11... c6 12. Ng3 h6 13. d4 Qc7 14. Be3 {1-0 (35) Sosa,T (2469)-Makhnev,D (2379) Tarvisio 2017}) 12. Ng3 Re8 13. d4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} c6 14. Be3 Qc7 $146 (14... exd4 15. Bxd4 c5 {½-½ (15) Andreikin,D (2719)-Mamedyarov,S (2817) St Petersburg 2018}) 15. Qd2 {White is slightly better.} Be6 {[#]} (15... exd4 $14 16. Bxd4 (16. Nxd4 Nxe4 17. Nxe4 Rxe4 $11) 16... Bxd4 17. cxd4 (17. Nxd4 c5 $11) 17... Be6) 16. Bxh6 $1 $18 {[%mdl 512]} Bxb3 $2 (16... Bb6) (16... gxh6 17. Qxh6) 17. Bxg7 $1 (17. axb3 gxh6 18. Nf5 (18. Qxh6 Qe7 $11) 18... Nf4 $14) 17... Nh7 18. axb3 (18. Qh6 $18 {aiming for Nf5.} f5 19. Bf6 (19. axb3 Qxg7 20. Qxg7+ Kxg7 $16) (19. Qxg6 Bf7 $18) (19. exf5 Qxg7 20. Qxg7+ Kxg7 $16) (19. Nxf5 Be6 $16)) 18... Kxg7 $16 {[#]} 19. Qh6+ $1 {[%mdl 512]} Kh8 ({And not} 19... Kxh6 20. Nf5+ Kh5 21. g4#) 20. Nh5 $1 {[%csl Gh5][%cal Rh6g7]} Rg8 {[#]} 21. Ng5 $1 {[%csl Gg5][%cal Rh6h7]} Ngf8 {[#]} 22. Qxd6 $1 ({But not} 22. Nxh7 $2 Rg6 $19) 22... Rc8 23. Qxe5+ $40 {[%mdl 128] White is out for blood.} f6 24. Qxc7 Rxc7 25. Nxh7 Nxh7 26. b4 Re7 27. f3 Bb8 28. Kf2 Rg6 (28... Nf8 $142 29. d5 (29. Nxf6 Bg3+ 30. Ke3 Rg6 $16) 29... cxd5) 29. Ra5 $18 Re6 30. f4 {Strongly threatening f5.} Rh6 31. g4 Rxh5 $2 (31... Kg8 32. Rf5 Bc7) 32. Rxh5 Bxf4 33. Rf5 Bc7 34. h4 Kg7 35. Ke3 Bg3 36. Rh1 Bd6 37. Kd3 Kg6 38. Rh3 Kg7 39. Re3 Re7 $2 (39... Re8 40. Re2 Rd8) 40. e5 {White is clearly winning.} fxe5 41. dxe5 Bc7 42. g5 Nf8 43. h5 Ne6 44. Ke4 Nf8 45. Kf3 Re6 46. g6 {Accuracy: White = 77%, Black = 29%.} 1-0

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.21"]
[Round "10.4"]
[White "Wen, Yang"]
[Black "Xu, Jun"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2602"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,71,18,26,22,31,8,18,11,21,15,35,38,37,34,26,26,32,25,50,45,40,37,31,34,54,21,39,14,52,51,58,43,29,-5,29,13,38,0,0,11,47,0,0,0,20,30,14,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 O-O 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} h6 9. h3 Ba7 10. Nbd2 Be6 11. b4 Ne7 12. Bxe6 fxe6 13. Nf1 {[#]} Nh5 $146 ({Predecessor:} 13... Ng6 14. Ra2 Nh5 15. Be3 Bxe3 16. Rxe3 {1-0 (37) Carlsen,M (2832)-Bacrot,E (2708) Paris 2017}) 14. d4 Qe8 15. Be3 Ng6 16. Nxe5 Nxe5 17. dxe5 dxe5 18. Bxa7 Rxa7 19. Ne3 {[%cal Bf1e3,Be3c4,Bc4a5,Ba5b3][%mdl 32]} Nf4 20. Nc4 Qg6 {[%csl Gf4][%cal Rg6g2] [#]} 21. Qf3 Qg5 22. Na5 c5 23. Qg3 Rc8 (23... Qh5 {looks sharper.} 24. Kh1 cxb4 25. cxb4 Rf6 26. Qe3 Ra8) 24. Qxg5 hxg5 25. Nb3 cxb4 26. cxb4 Rc2 27. Rad1 b6 28. Rd8+ Kh7 29. Nd2 Rf7 30. Kh2 {The position is equal.} Kg6 31. Kg1 Kf6 {[#] ...Ke7 is the strong threat.} 32. Nf3 Ne2+ 33. Kh2 Nd4 34. Kg3 Nxf3 35. gxf3 Rb2 36. Ra8 {Accuracy: White = 58%, Black = 52%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.21"]
[Round "10.5"]
[White "Zhao, Yuanhe"]
[Black "Xu, Yinglun"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2437"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,16,11,11,4,3,3,12,-21,0,0,0,-22,0,-22,-14,-29,-33,-41,-46,-81,-77,-89,-20,-112,-111,-86,0,0,0,0,0,0,0,0,0,0,0,0,12,8,14,21,31,31,22,0,0,0,0,0,0,-15,16,-93,-82,-215,-191,-246,-231,-304,-310,-284,-195,-308,-293,-527,-504,-29982,-29983,-29983,-29984,-29983,-29984]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qc2 Bb7 8. O-O Nbd7 {A13: English Opening: 1...e6} (8... Be7 9. d3 O-O 10. a4 a6 11. Nc3 Nbd7 12. Rd1 Rc8 13. h3 Qb6 14. e4 c5 15. Be3 Rfd8 16. Rac1 h6 17. axb5 axb5 {1-0 (73) Duda,J (2737)-Karjakin,S (2773) chess.com INT 2018}) 9. d3 Be7 10. Nc3 O-O {The position is equal.} 11. Bd2 Rc8 12. Rfc1 $146 ({Predecessor:} 12. a4 b4 13. Nd1 c5 14. Ne3 e5 15. Rac1 e4 16. Ne1 {½-½ (27) Schott,R (2236)-Pavoni,F (2326) ICCF email 2010}) 12... h6 13. h3 Re8 14. a3 a6 15. Bf4 c5 16. a4 b4 17. Nd1 {[#]} e5 $1 {[%mdl 512]} 18. Be3 (18. Nxe5 Bxg2) 18... Nd5 (18... Qc7 $17) 19. Nd2 (19. Bd2 $11) 19... Nf8 $17 {[%cal Bd7f8,Bf8e6,Be6d4][%mdl 32]} 20. Nc4 Bg5 (20... Ne6 $17) 21. Bxg5 $11 hxg5 22. Qd2 Ne6 23. Nde3 (23. Nxe5 $2 Nd4 $19) 23... Nxe3 24. Bxb7 Nxc4 25. Rxc4 Rb8 26. Bg2 (26. Bxa6 $2 Qa5 $19) 26... Nd4 27. Qd1 Qd6 28. Rac1 Rbc8 29. e3 Ne6 30. Be4 g6 31. Qf3 Kg7 32. Bd5 Rcd8 33. e4 Rh8 34. Qg4 (34. Kg2 $11 {remains equal.}) 34... f5 $1 $36 {[%cal Rf5g4][%mdl 2048] Black is really pushing.} 35. Qf3 (35. Qd1 $17) 35... Nd4 $19 ({Stronger than} 35... Rxh3 36. Bxe6 g4 37. Qg2 $11) 36. Rxd4 (36. Qd1 $142) 36... exd4 ({Less strong is} 36... cxd4 37. Rc6 $15) 37. Bb3 fxe4 ({Not} 37... Rxh3 38. exf5 Rf8 39. Qb7+ Kh8 40. Qd5 $17) 38. Qxe4 Rxh3 39. Qf3 {[#]} (39. Re1 $142) 39... g4 $1 40. Qf7+ $2 (40. Qb7+ Rd7 41. Qe4) (40. Qxg4 Rdh8) 40... Kh6 {aiming for ...Rf8.} 41. Qe6 {[#]} (41. Rc2 $19 Qc6 42. Qf4+ Kh7 43. Qe4 Qxe4 44. dxe4) 41... Rxg3+ $1 {[%mdl 576] Demolition. Black mates.} 42. fxg3 Qxg3+ {[%mdl 64] Double Attack} 43. Kh1 Rf8 {Accuracy: White = 37%, Black = 70%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.21"]
[Round "10.6"]
[White "Liu, Yan"]
[Black "Bai, Jinshi"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2502"]
[BlackElo "2605"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,80,0,0,0,0,0,-4,0,0,0,0,2,1,4,0,10,0,0,0,0,0,0,-20,0,-64,-61,-62,-62,-61,-62,-62,-59,-175,-173,-166,-163,-164,-145,-184,-184,-175,-174,-176,-160,-277,-277,-446,-371,-1343,-1414,-1629,-1588,-1681,-1625,-1576,-1191,-29974,-29975,-29973,-397]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 ({Predecessor:} 8. Bb5+ Nc6 9. O-O O-O 10. Be3 {½-½ (18) Hlavica,B (2057)-Lizorkina,V (2092) LSS email 2011}) 8... Bg4 9. Bb5+ Nc6 {[%cal Bb8c6,Bc6e5,Be5f3][%mdl 32]} 10. O-O O-O 11. d5 Ne5 12. Be2 $1 Nxf3+ {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 13. Bxf3 Bxf3 14. Qxf3 Bxc3 $146 {The position is equal.} (14... Qa5 15. Rac1 Rac8 16. Rc2 b5 17. Bg5 Rfe8 18. Qe3 Qa4 19. Rfc1 f6 20. Bf4 {½-½ (39) Banusz,T (2616)-Li,C (2751) Graz 2016}) 15. Rab1 b6 {[#]} 16. Bxc5 $1 {[%mdl 512]} Rc8 (16... bxc5 17. Qxc3) 17. Ba3 Qd7 18. Rfc1 Bd2 19. Rxc8 Rxc8 20. Qd1 Bf4 21. g3 Bd6 22. Bb2 Rc4 23. Qd3 (23. Rc1 $11 Rxe4 24. Qc2) 23... Qa4 $15 24. e5 Bc5 {And now ...Rc2 would win.} 25. Rd1 $1 Qxa2 26. Rd2 {d6 is the strong threat.} Rb4 $1 $36 {[%cal Rb4b2][%mdl 2048] Black has the initiative.} 27. Qc2 {[#]} (27. Qe2 $15) 27... Bd4 $1 $19 {[%mdl 512]} 28. Bxd4 Qxc2 {[%mdl 64] Overworked Piece} 29. Rxc2 Rxd4 {[%mdl 4096] Endgame KR-KR} 30. Rc8+ Kg7 31. Rc7 Rxd5 {Threatens to win with ...a5.} 32. Rxe7 a5 {[%cal Ba7a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32] aiming for ...a4.} 33. e6 (33. Rb7 $17) 33... Kf6 34. Rxf7+ $2 (34. Rb7 Kxe6 35. Rxb6+ Rd6 36. Rb1) 34... Kxe6 35. Rxh7 $2 (35. Ra7 Rd7 36. Ra8) 35... a4 36. Rg7 Kf6 37. Rc7 a3 38. Rc6+ Kf5 39. Rxb6 a2 40. Ra6 Rd1+ {Accuracy: White = 49%, Black = 87%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.22"]
[Round "11.1"]
[White "Bai, Jinshi"]
[Black "Zhao, Jun"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2605"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,127,8,15,13,8,5,24,14,24,25,26,18,60,58,63,48,74,81,80,83,83,83,82,78,78,77,80,70,70,70,83,27,30,0,0,0,0,0,0,0,0,0,0,-14,-14,-14,-14,-14,-14,-14,-14,-239,-80,-415,-413,-372,-351,-517,-80,-80,-80,-80,-80,-80,-80,-80,-80,-80,-80,-80,-60,-79,-79,-80,-79,-200,-200,-328,-320,-288,-281,-273,-258,-258,-243,-236,-220,-516,-220,-220,-220,-206,-200,-5065,-521,-241,-116,-521,-8,-521,-521,-639,-807,-830,-817,-669,-585,-530,0,0,0,-547,-460,-29965,-29972,-29971]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 b6 7. O-O Bb7 8. b3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (8. a3 Be7 9. cxd5 exd5 10. b4 a5 11. b5 c6 12. bxc6 Nxc6 13. Bb2 b5 14. e3 a4 15. Qb1 Qb6 16. Rc1 Rfc8 17. Ne5 h6 {1-0 (48) So,W (2780)-Vidit,S (2718) chess.com INT 2018}) 8... Nbd7 9. Bb2 Qe7 10. Rc1 $146 {White has an edge.} ({Predecessor:} 10. Ne5 Rfd8 11. Nd3 Bd6 12. e3 Rab8 13. Rc1 Ne4 14. cxd5 exd5 15. Re1 c5 16. dxc5 bxc5 {0-1 (34) Meier,G (2621)-Hou,Y (2649) Karlsruhe/Baden-Baden 2017}) 10... Rfc8 11. Ne5 Nxe5 12. dxe5 Ne4 13. Nxe4 dxe4 14. Qc2 Rd8 15. Rcd1 ({Reject} 15. Bxe4 $6 Rd2 $15) 15... Rxd1 16. Rxd1 Rd8 17. a3 $1 Rxd1+ 18. Qxd1 Bxa3 19. Bxa3 Qxa3 20. Qd8+ Qf8 21. Qxc7 Qa8 22. g4 ({White should play} 22. e3 $16) 22... h6 23. h4 Bc6 24. Kh2 b5 25. cxb5 Bxb5 26. e3 a5 27. Kg3 Bd3 28. g5 hxg5 29. hxg5 g6 30. Kf4 Qd5 31. Qc3 Kg7 32. Kg3 $2 (32. Qc7 $11) 32... Qd8 $2 (32... Be2 $19 {is more deadly.} 33. Qc7 Bd1) 33. Kf4 $2 {[%mdl 8192]} (33. Kh2 $17 {is tougher.}) 33... Qh8 $1 $19 {[%cal Rh8h4]} 34. Kg3 Qh5 35. Qxa5 (35. f4 $142 exf3 36. Bxf3 Qxg5+ {[%mdl 64] Double Attack} 37. Kf2 Qh4+ 38. Kg2) 35... Qxg5+ $2 (35... Be2 $1 $19 36. Qa1 Bf3) 36. Kh2 $17 Be2 37. Qa8 Qh5+ 38. Kg1 Bf3 $1 39. Qa1 {[#]} Qg5 $1 {[%csl Gf3][%cal Rg5g2][%mdl 512]} 40. Qf1 Qxe5 41. b4 Kf8 42. b5 Ke7 43. b6 Qa5 44. b7 (44. Qc4 $17 {keeps fighting.} Qxb6 45. Bxf3 exf3 46. Qe4) 44... Qb6 $1 $19 45. Bxf3 (45. Qc4 {might work better.} Qxb7 46. Bxf3 exf3 47. Qh4+ Kd7 48. Kh2) 45... exf3 {[%mdl 4096] Endgame KQ-KQ} 46. Qh3 Qxb7 47. Qh4+ Kd7 48. Kh2 Qc7+ 49. Kh3 Qe5 50. Qb4 $2 (50. Qa4+ Ke7 51. Kg4) 50... Qf5+ (50... Ke8 $142 51. Qa4+ Kf8) 51. Kg3 e5 $1 52. Qb7+ Ke6 53. Qc8+ $2 (53. e4 Qf4+ 54. Kh3) 53... Kf6 (53... Ke7 $142 54. Qc7+ Kf8 55. Qd8+ Kg7) 54. Qh8+ Ke7 {Strongly threatening ...e4.} 55. Qh4+ {[#]} g5 $2 (55... Ke6 $1 $19 56. e4 Qf6 57. Qh3+ Ke7) 56. Qb4+ $2 {[%mdl 8192]} (56. Qh6 $1 $11) 56... Kf6 57. Qf8 e4 58. Qh8+ {[#]} Ke7 $1 59. Qg7 Ke6 60. Qf8 Kf6 $2 ({Better is} 60... Kd7 $19 {And now ...Qe6 would win.} 61. Qg7 Ke6) 61. Qh8+ $1 $11 Ke7 {Hoping for ...Qd5.} 62. Qb8 $2 {[%mdl 8192]} (62. Qg7 $1 $11 {and White stays safe.} Ke6 63. Qf8) 62... Qe6 {...Qd6+ is the strong threat.} 63. Qc7+ (63. Qb2 $19 f6 64. Qb7+ Ke8 65. Qh7) 63... Kf6 64. Qd8+ {Accuracy: White = 44%, Black = 54%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.22"]
[Round "11.2"]
[White "Xu, Yinglun"]
[Black "Liu, Yan"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2528"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,0,10,11,14,-11,10,-2,23,12,14,-1,0,-13,0,-28,-20,-38,-24,-21,-28,-23,-14,-41,0,9,11,0,0,0,3,0,0,0,0,0,0,0,6,4,8,8,19,19,23]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. O-O d5 8. Ne5 O-O 9. Bc3 Bb7 10. Nd2 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} Nbd7 11. Nd3 $146 ({Predecessor:} 11. e4 Nxe5 12. dxe5 d4 13. exf6 gxf6 14. Rc1 {½-½ (59) Hertneck,G (2555)-Sturua,Z (2600) Bad Wiessee 1998}) 11... a5 12. Rc1 Qb8 13. b3 Rd8 14. Re1 dxc4 15. bxc4 c5 16. dxc5 (16. Bxb7 {is more complex.} Qxb7 17. e3 b5 18. cxb5 cxd4 19. Bxd4 Qxb5 20. Nc4) 16... Bxg2 17. Kxg2 Nxc5 18. Nxc5 Bxc5 19. Bxf6 gxf6 20. Qc2 Rxd2 21. Qxd2 {Qh6 is the strong threat.The position is equal.} Bb4 22. Qb2 {Hoping for Red1.} Bxe1 23. Rxe1 $11 {[%mdl 4096] Endgame KQR-KQR} Qe5 24. Qxb6 Qe4+ 25. Kg1 Qxc4 26. Qb2 Qb4 27. Rb1 Qxb2 28. Rxb2 Rc8 29. Rb5 Rc2 30. Rxa5 {Black should prevent Ra8+.} Rxe2 {Accuracy: White = 51%, Black = 55%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.22"]
[Round "11.3"]
[White "Xu, Jun"]
[Black "Zhao, Yuanhe"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2487"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,98,17,12,20,15,18,0,0,-7,57,33,63,56,79,80,143,106,81,55,118,49,50,42,83,66,79,55,49,35,128,94,108,103,127,121,121,123,200,161,158,160,154,77,75,76,134,78,108,75,105,127,146,136,206,158,165,165,437,437,475,396,503,503,503,503,496,496,459,441,422,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. cxb5 a6 6. b6 Qxb6 7. Nc3 d6 8. a4 Bg7 9. a5 Qc7 10. e4 O-O {A57: Benko/Volga Gambit} 11. h3 e6 12. Bc4 exd5 13. Bxd5 (13. exd5 Re8+ 14. Be3 Bf5 15. O-O Ne4 16. Nxe4 Bxe4 17. Nd2 Nd7 18. Nxe4 Rxe4 {0-1 (66) Nadanian,A (2379)-Melkumyan,H (2654) Yerevan 2016}) 13... Nxd5 $146 (13... Nc6 $11) ({Predecessor:} 13... Bb7 14. Bxb7 Qxb7 15. O-O Nxe4 16. Nxe4 Qxe4 17. Qxd6 Rc8 {½-½ (35) Alvarado Ascanio,F (2195)-Ventura Gonzalez,F (2167) Las Palmas 2011}) 14. Nxd5 $14 (14. Qxd5 Bxc3+ 15. bxc3 Bb7 $17) 14... Qb7 15. O-O $36 {[%mdl 2048] Black is under pressure.} Ra7 16. Bf4 Qc6 ({Black should play} 16... Be6) 17. Nb6 Rd8 18. e5 (18. Nxc8 $6 Qxc8 19. Qd5 (19. Bxd6 Qe6 $11) 19... Nc6 $11) 18... Be6 (18... Nd7 $1 $14) 19. Bg5 ({White should try} 19. exd6 $16 Rb7 20. Ng5) 19... Re8 20. Qxd6 Qxd6 21. exd6 Nd7 22. Be3 Bxb2 23. Rab1 Ba3 ({Better is} 23... Bc3 $14) 24. Ng5 $1 $16 Bf5 25. Rb3 Bb4 {...Nxb6 is the strong threat.} 26. Nd5 $1 {[%cal Rd5e7] Black must now prevent Ne7+.} h6 27. g4 ({Much weaker is} 27. Nxb4 $6 Rb7 $11) 27... Bc2 (27... hxg5 $16 {was necessary.} 28. gxf5 gxf5) 28. Rb2 Bd3 29. Rd1 $1 Bb5 30. Nxb4 (30. Nf3 $142 $1 Rb7 31. Nxb4 cxb4 32. Rxb4 (32. Bxh6 Bc6 $14)) 30... hxg5 31. Nd5 Re5 {[#]} (31... f6 $142) 32. Ne7+ (32. Bxg5 $142 $1 {[%mdl 512]} Kg7 (32... Rxg5 33. Ne7+) 33. Nc7) 32... Kh7 33. Rd5 Rxd5 34. Nxd5 Bc6 35. Nb6 f6 (35... Rb7 $16 36. Bxg5 Bb5) 36. Rc2 Rb7 37. Bxc5 Ne5 $2 (37... Kg7 38. Bd4 Nb8) 38. Rc3 $18 Rb8 39. Bd4 {And now Bxe5 would win.} Nf3+ {[#]} 40. Rxf3 $1 {[%mdl 512]} Bxf3 41. Bxf6 {[%mdl 4096] Endgame KRB-KBN} Bc6 42. d7 Bxd7 43. Nxd7 Rb5 {[#]} 44. Bd8 $2 ({White must play} 44. Bc3 $1 $18) 44... Rb1+ $1 $11 {The position is equal.} 45. Kg2 Rd1 46. Nf8+ Kg8 $1 47. Be7 ({Of course not} 47. Nxg6 Rxd8 48. h4 gxh4 $17) 47... Kf7 48. Bb4 Rd4 49. Ba3 {Strongly threatening Nh7.} Rd3 {Accuracy: White = 63%, Black = 46%.} 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.22"]
[Round "11.4"]
[White "Peng, Xiongjian"]
[Black "Wen, Yang"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2451"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,31,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 {[#]} 15. Qe4+ $146 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} Qe6 16. Qd4 1/2-1/2

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.22"]
[Round "11.5"]
[White "Xu, Xiangyu"]
[Black "Lu, Shanglei"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2583"]
[BlackElo "2606"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,102,11,30,34,29,34,32,34,45,44,70,56,35,0,0,0,0,0,0,0,0,0,0,-38,0,0,0,0,0,0,0,-126,-109,-127,-122,-115,-120,-171,-158,-154,-162,-136,-165,-168,-157,-176,-165,-192,-185,-182,-177,-159,-153,-256,-251,-243,-222,-256,-249,-270,-270,-248,-227,-292,-224,-318,-314,-309,-298,-440,-437,-504,-502,-610,-562,-735,-745,-727,-696,-633,-622,-790,-663,-1770,-1704,-1760,-1712,-1218,-1095]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Be6 (8... O-O {feels hotter.} 9. O-O Be6 10. Bb3 Nc6 11. Bg5 Na5) 9. Bxe6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (9. Bb3 Nbd7 10. O-O Rc8 11. Nh4 Nc5 12. Nf5 Bxf5 13. exf5 Nxb3 14. axb3 Qd7 15. Qf3 d5 16. Bg5 d4 17. Bxf6 Bxf6 {0-1 (41) Sjugirov,S (2663)-Sarana,A (2618) Khanty-Mansiysk 2018}) 9... fxe6 10. Ng5 Qd7 11. Qf3 $1 {White is slightly better.} Nc6 12. Qh3 Nd8 13. Bb6 h6 14. Bxd8 Bxd8 15. O-O-O $146 ({Predecessor:} 15. Qxe6+ Qxe6 16. Nxe6 Ba5 17. Nxg7+ {½-½ (35) Yeletsky,I (2369)-Belous,M (2309) Moscow 2017}) 15... Ba5 $1 {[%cal Ra5c3]} 16. f4 {Threatens to win with fxe5.} (16. Nxe6 $2 Bxc3 17. Qf5 Kf7 $17) (16. Qxe6+ Qxe6 17. Nxe6 Kf7 $15) 16... Bxc3 ({Don't blunder} 16... exf4 $2 17. e5 $1 $18 {[%mdl 512]}) 17. bxc3 Ke7 ({Much weaker is} 17... exf4 $6 18. e5 $1 $16 {[%mdl 512]}) 18. Nf3 Nxe4 19. Qh4+ Ke8 {[#] Hoping for ...Qa4.} 20. Nxe5 $1 {[%mdl 512]} Qa4 $40 {[%mdl 128] Black mounts an attack.} (20... dxe5 21. Rxd7) 21. Qh5+ Kd8 22. Kb2 $1 {[#] Nf7+ is the strong threat.} Nxc3 $1 {[%mdl 576] ( -> ...Qb4+). Double Attack} 23. Rxd6+ (23. Qg6 $11 Qb4+ 24. Ka1 Nxd1 25. Rxd1) (23. Kxc3 Rc8+) 23... Kc8 $17 24. a3 {Strongly threatening Qf7.} Qb5+ ({Wrong is} 24... Nb5 $2 25. Rd3 $18) 25. Kxc3 Qc5+ {[%mdl 64] Double Attack} 26. Kb2 (26. Kb3 $17 Qxd6 27. Rd1 Qb6+ 28. Ka2) 26... Qxd6 $19 27. Rd1 Qb6+ $1 28. Kc1 {[#]} Rd8 $1 29. Rxd8+ Qxd8 {[%mdl 4096] Endgame KQR-KQN} 30. Qf7 Kb8 31. Qxg7 Qd6 32. Qg3 {[#]} Ka7 $1 33. Qe3+ Qb6 34. Qc3 (34. Kd2 $17 {keeps fighting.}) 34... Rd8 35. g3 Rd6 {White must now prevent ...Qg1+.} 36. Nc4 Qc5 37. Qe3 Qxe3+ 38. Nxe3 {KR-KN} h5 39. Nc4 Rd4 40. Ne5 (40. Nb2 $142) 40... Kb6 41. Nd3 Kc6 42. h3 (42. Nf2 {is a better defense.}) 42... Kd5 {Black is clearly winning.} 43. g4 h4 44. Kd2 Ke4 45. Ke2 Rc4 46. Kd2 Rc8 47. g5 Kf3 48. a4 b6 49. Kd1 Kg3 50. Ke2 Rxc2+ 51. Ke3 Kxh3 {Accuracy: White = 45%, Black = 94%.} 0-1

[Event "CHN-ch Open 2019"]
[Site "Xinghua"]
[Date "2019.05.22"]
[Round "11.6"]
[White "Xu, Yi"]
[Black "Li, Shilong"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2546"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2019.05.11"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,125,15,29,16,22,6,6,9,9,1,6,0,2,6,18,0,86,79,90,67,95,54,70,43,64,13,12,30,41,10,35,39,40,31,119,127,139,146,172,156,181,125,130,123,125,130,119,127,121,127,132,86,100,92,88,95,86,93,97,84,96,103,97,92,114,91,117,79,79,79,73,77,90,81,90,90,90,90,108,68,83,72,80,80,93,93,141,141,141,141,164,147,141,8,8,12,12,12,12,12,20,34,177,177,177,177,29951,4634,29964,29965,29966,29967,29953,29945,9089,8079,5122,5114]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} e6 7. a4 b6 8. c3 {The position is equal.} Bb7 9. Qe2 Qc7 10. Na3 Be7 11. Bb1 e5 12. d4 O-O $146 (12... exd4 $11 {keeps the balance.} 13. cxd4 cxd4) ({Predecessor:} 12... cxd4 13. cxd4 exd4 14. Nxd4 {½-½ (42) Jakovenko,D (2719)-Ding,L (2809) Shenzhen 2019}) 13. d5 $1 $16 Ne8 14. Nc4 Kh8 15. Bd3 f5 16. exf5 Bxd5 17. Ng5 (17. Be4 $14 Bxe4 18. Qxe4) 17... Bxg5 $1 $11 18. Bxg5 Nef6 19. Bc2 Rab8 20. Ne3 $36 {[%mdl 2048] White is pushing.} Bb7 21. c4 e4 ({Better is} 21... b5 $14) 22. Rad1 Rbd8 23. Ng4 Rde8 {intending ...Nxg4.} 24. Bf4 Ne5 25. Bxe5 (25. Nxf6 $18 Rxf6 26. Bxe4) 25... dxe5 $16 26. Nxf6 gxf6 27. Bxe4 Rd8 28. Bd5 Bxd5 29. cxd5 c4 30. Qe4 b5 31. axb5 axb5 32. g3 Rd6 33. Kg2 Qc5 34. Rd2 Rfd8 {[%cal Rd6d5]} 35. Red1 $1 Rc8 36. Kh3 b4 37. Rc1 Qb5 38. Rdc2 {[%cal Rc2c4]} (38. Kg2 {is more complex.} c3 39. bxc3 Rxc3 40. Rxc3 bxc3 41. Rc2) 38... Qxd5 39. Qxd5 Rxd5 40. Rxc4 Rxc4 41. Rxc4 {[%mdl 4096] Endgame KR-KR} Rd2 42. Rxb4 Rxf2 43. g4 e4 44. Rb8+ Kg7 45. Rb7+ Kg8 46. b4 e3 47. Re7 Rb2 48. Rxe3 Rxb4 {[#]} 49. Kh4 $1 Rb7 50. Re6 Kg7 51. g5 ({White should try} 51. Kh5 $16) 51... fxg5+ $11 52. Kxg5 Ra7 53. h4 {Threatens to win with Rd6.} Rb7 54. h5 Ra7 55. Rd6 {And now h6+ would win.} Rb7 ({Black should play} 55... Kf7 $14 56. Rf6+ Ke7) 56. h6+ $18 Kf7 {[#]} 57. Rd8 $1 {[%cal Rd8h8] Hoping for Rh8.} Ke7 $2 (57... Rb2 $18) 58. Rh8 Kd6 59. Kf6 Kd5 60. Re8 Kd6 61. Re6+ Kd5 62. Re7 Rb6+ 63. Kg7 {Accuracy: White = 59%, Black = 45%.} 1-0

