[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Xiong, Jeffery"]
[Black "Wheeler, Cameron"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "2650"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,75,38,32,60,60,60,45,60,55,45,20,68,-10,44,55,55,68,55,56,63,63,65,77,166,164,164,149,206,206,216,197,227,212,205,200,280,289,279,268,253,236,413,428,399,403,759,775,689,685,1491,1468,1265,1227]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 Rc8 {D14: Slav Defence: Exchange variation with ...Bf5} (9... e6 10. e3 Nh5 11. Bg5 f6 12. Bh4 g5 13. g4 gxh4 14. gxh5 Bb4 15. Bd3 Qe7 16. a3 Bxc3+ 17. Qxc3 {0-1 (79) Aronian,L (2795)-Giri,A (2755) Moscow 2016}) 10. e3 b5 11. a3 g6 12. Bd3 Bg7 13. Qe2 {LiveBook: 3 Games} Nc4 14. O-O O-O 15. Rfc1 {[#]} Qb6 $146 ({Predecessor:} 15... a5 16. Bg5 e6 17. Ne5 {½-½ (42) Sokolov,I (2641)-Bu,X (2670) Moscow 2012}) 16. Ne5 Be6 17. h3 Rfd8 18. b3 (18. a4 $14) 18... Nxe5 (18... Nh5 $1 $11 19. bxc4 bxc4) 19. Bxe5 $14 Ne4 20. Nxb5 {Threatens to win with Bc7.} Bxe5 21. dxe5 Nc5 22. Bc2 Bd7 23. Nd4 $36 {[%mdl 2048] Keeping Black busy.} f6 (23... Ne6 $16 {was necessary.}) 24. b4 $18 Ne6 25. Nf3 f5 {[#]} (25... Bb5 $16 {might work better.} 26. Bd3 a6 27. Rxc8 Rxc8 28. exf6 exf6 29. Bxb5 axb5) 26. Bb3 $1 Bc6 27. Qd2 Kg7 28. Nd4 Nxd4 29. exd4 h6 30. Rc5 e6 31. Rac1 Bd7 32. Bd1 Qa6 $2 {[#]} (32... Rxc5 33. bxc5 Qb7) 33. a4 $1 {[%cal Ba3a4,Ba4b5,Bb5b6][%mdl 544]} Qb7 (33... Bxa4 34. Ra1) 34. b5 a6 (34... Rh8 $142 35. Qa5 Qb6 36. Qxb6 axb6) 35. Qa5 {White is clearly winning.} axb5 36. Rc7 Qb8 37. axb5 Kg8 38. b6 {Precision: White = 79%, Black = 38%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Baryshpolets, Andrey"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2609"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,67,0,25,31,31,11,3,-6,0,-14,0,2,108,93,111,92,95,100,95,72,80,87,131,123,581,576,534,566,517,569,563,562,549,541,891,538,892,871,933,932,928,918,882,875,1782,1677,1600,1417,29993,29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Bd3 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} (9. Be2 O-O 10. O-O a6 11. Rd1 Qc7 12. e4 e5 13. h3 Re8 14. a3 exd4 15. Nxd4 Bh2+ 16. Kh1 Be5 17. Bf3 c5 18. Nf5 Nb6 19. Bg5 Bxf5 20. exf5 {½-½ (40) Navara,D (2751)-So,W (2778) Prague 2015}) 9... Bb7 10. O-O a6 {LiveBook: 7 Games} 11. e4 {[#] Black must now prevent e5.White has an edge.} e5 12. h3 c5 13. dxe5 $146 ({Predecessor:} 13. d5 c4 14. Be2 O-O 15. Be3 Rc8 16. Nd2 Nc5 {½-½ (45) Schwing,H (2306)-Wieland,O (2060) Germany 2009}) 13... Nxe5 14. Be2 b4 15. Rd1 Nxf3+ (15... Qc7 $11 {keeps the balance.} 16. Nxe5 bxc3) 16. Bxf3 $16 {Hoping for Bf4!} bxc3 17. e5 Bxf3 18. Rxd6 Qe7 19. Qa4+ Nd7 20. gxf3 {aiming for Qc6.} Ra7 21. bxc3 f6 $2 {[%mdl 8192]} (21... O-O $16) 22. Qb3 $18 c4 23. Qxc4 Nxe5 {[#]} 24. Qd5 $1 Rd7 25. Ba3 {Rb1 is the strong threat.} Rxd6 26. Bxd6 Qf7 27. Qa8+ Kd7 28. Qxh8 Qg6+ 29. Kh1 Kxd6 30. Rd1+ Ke7 31. Qd8+ Kf7 32. Qd5+ Kf8 33. f4 Nf7 34. Qc5+ {Precision: White = 74%, Black = 30%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Sadorra, Julio Catalino"]
[Black "Li, Ben"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2555"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,60,55,63,44,48,50,59,66,58,56,49,50,59,59,43,40,35,50,36,12,87,82,102,99,114,102,194,177,181,39,27,0,23,28,30,33,76,4,4,4,2,6,1,0,0,0,0,-4,-4,-5]} 1. Nf3 d5 2. e3 c5 3. d4 Nf6 4. c3 Nc6 5. dxc5 (5. Nbd2 cxd4 6. exd4 Bf5 7. Nh4 Bg4 8. Be2 Bxe2 9. Qxe2 e6 10. Nb3 Qc7 11. g3 O-O-O 12. Bf4 Bd6 13. Bxd6 Qxd6 {0-1 (43) Jussupow,A (2583)-Karjakin,S (2678) Amsterdam 2007}) 5... e6 6. b4 {D05: Colle System with ...e6} a5 7. Bb5 {LiveBook: 4 Games} Bd7 8. Bxc6 {White is slightly better.} Bxc6 9. a4 axb4 10. cxb4 b6 $1 11. Nd4 Bb7 12. c6 Bxb4+ 13. Bd2 $146 Bxd2+ 14. Nxd2 ({And not} 14. Kxd2 Ne4+ 15. Ke1 Bxc6 $1 $17 {[%mdl 512]}) 14... Ba6 15. Nb5 $36 {[%mdl 2048] White is pushing.} O-O 16. O-O e5 (16... Rc8 $11 {remains equal.}) 17. Qb3 $16 Re8 18. Rfc1 Re6 19. a5 {Strongly threatening Nc7!} bxa5 (19... Bxb5 $16 {was worth a try.} 20. Qxb5 bxa5) 20. c7 $18 Qd7 {[#]} 21. Rxa5 (21. Na7 $1 $18 {[%mdl 512]}) 21... Rc8 $14 22. Qa4 Bxb5 (22... Bb7 {with more complications.} 23. Nb3 Rc6 24. Rf1 Rc2 25. Qb4 d4) 23. Qxb5 Qxb5 24. Rxb5 Kf8 {[#]} 25. f3 (25. Nb3 $1 $16) 25... Re7 $11 {The position is equal.} 26. Rb8 Ree8 27. Rb7 {Threatening Kf2.} Re7 $1 28. Rb8 Ree8 29. Rb5 Re7 30. Rbc5 Rd7 31. e4 {Precision: White = 66%, Black = 56%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Shtembuliak, Evgeny"]
[Black "Lin, Andy"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2518"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,65,9,12,27,16,21,12,14,20,22,17,27,38,36,0,36,33,18,25,17,0,66,32,59,35,55,0,110,112,180,171,174,158,154,106,100,105,94,91,85,86,52,30,216,154,1069,1054,1264,1247,1185,969,1189,1110]} 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Bd2 Nbd7 6. Rc1 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} b6 7. cxd5 exd5 8. Bd3 {LiveBook: 5 Games. The position is equal.} Be7 $146 ({Predecessor:} 8... Bb7 9. Nf3 Bd6 10. O-O O-O 11. e4 dxe4 12. Nxe4 Be7 13. Ng3 {1-0 (40) Rakhmanov,A (2650)-Alonso Rosell,A (2540) Barcelona 2016}) 9. f4 O-O 10. Nf3 Bb7 11. Ne5 c5 12. Qf3 Ne8 13. Qh3 {[%csl Gd3][%cal Rh3h7]} Ndf6 $1 14. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nd6 15. g5 Nfe4 16. dxc5 $40 {[%mdl 128] White is up to no good.} bxc5 17. Nxe4 dxe4 (17... Nxe4 $11 18. Bxe4 dxe4) 18. Be2 Bc8 19. Bg4 Bxg4 20. Nxg4 ({White should play} 20. Qxg4 $14 Qc8 21. Qxc8 Rfxc8 22. Bc3) 20... Ne8 (20... Nf5 $11) 21. Rg1 $16 {[%cal Bh1g1,Bg1g4,Bg4g3,Bg3g6,Bg6g7][%mdl 32]} Qd5 (21... f5 $16) 22. Bc3 $18 Rd8 {[#]} 23. Nh6+ $1 {[%mdl 512]} Kh8 (23... gxh6 24. gxh6+) 24. Rg4 f6 {[%cal Rf6g5] [#]} 25. Nf7+ $1 {[%mdl 512]} Rxf7 ({Don't blunder} 25... Qxf7 $2 26. g6 $18) 26. g6 {[%csl Gg6][%cal Rh3h7]} h6 {aiming for ...Rf8.} 27. gxf7 Qxf7 28. Kf2 f5 $2 (28... Rd3 $11 {and Black has nothing to worry.}) 29. Rg3 Qe6 $2 (29... Bf6 $16) 30. Rcg1 {White is clearly winning.} Bf6 31. Rg6 {Intending Qxh6+! and mate.} Kg8 32. Qxh6 {White threatens Rxg7+! and mate.} Bxc3 {[#]} 33. Rxg7+ $1 {[%mdl 512] Precision: White = 82%, Black = 44%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Berczes, David"]
[Black "Kumar, Nikhil"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2501"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,73,41,38,38,34,61,8,23,15,15,16,22,29,17,26,27,8,8,8,7,12,7,5,33,24,32,25,25,24,199,199,193,218,210,226,206,164,254,178,200,200,228,231,223,231,302,314,289,262,29991,29992,29993,29994]} 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bd2 f5 9. Ne5 {[%cal Bf3e5,Be5d3,Bd3f4,Bf4h3][%mdl 32] E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} (9. Qc2 Nxc3 10. Qxc3 Bf6 11. Rad1 Nc6 12. Qe3 Ne7 13. Bc3 Qe8 14. Ne1 Bxg2 15. Nxg2 Ng6 16. Qd3 Rd8 17. e4 fxe4 18. Qxe4 {½-½ (41) Aronian,L (2780)-Ivanchuk,V (2757) Leuven 2017}) 9... d6 10. Nd3 Nxc3 11. Bxc3 Bxg2 12. Kxg2 {LiveBook: 6 Games} Bf6 13. Nf4 Qe7 $146 ({Predecessor:} 13... Qd7 14. e3 a5 15. h4 Na6 16. Qf3 Rae8 {½-½ (48) Baranowski,T (2412)-Vecek,M (2305) ICCF email 2014}) 14. Qd3 (14. e4 $14) 14... Bg5 15. Nh3 Nd7 16. f4 Bf6 17. e4 fxe4 18. Qxe4 c5 19. Ng5 (19. Rad1 {seems wilder.} cxd4 20. Bxd4 Rad8 21. Rfe1 Bxd4 22. Qxd4 Nf6 23. Nf2) 19... Bxg5 20. fxg5 cxd4 21. Bxd4 Nc5 $132 {[%mdl 2048] Black is not keeping still} 22. Bxc5 bxc5 23. h4 Rab8 24. Rxf8+ Rxf8 $14 {[%mdl 4096] Endgame KQR-KQR} 25. Re1 Kh8 $2 (25... e5 $11) 26. Qxe6 $18 Qb7+ 27. Kh3 Qxb2 28. Qxd6 {[%cal Rd6f8]} Qf2 29. Qe5 Qd2 (29... Qf7 $142) 30. Qe2 Qd7+ 31. Qe6 Qd2 {[#]} 32. Rf1 $1 {[%cal Rf1f8][%mdl 512]} Rg8 {[#]} (32... Rxf1 33. Qe8+) 33. a4 $1 Qa2 34. h5 {[%cal Bh4h5,Bh5h6][%mdl 32] Threatens to win with h6.} Qd2 35. Qe7 {White wants to mate with h6.} Qd3 $2 (35... h6 $18 36. gxh6 (36. Qxc5 Qe2 $16) 36... Qxh6 37. Qxc5 Qe6+ 38. Rf5 a6) 36. Rf8 Qxc4 37. h6 {Precision: White = 63%, Black = 33%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Reshef, Omer"]
[Black "Easton, Jack"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2497"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,43,16,23,18,18,16,33,12,32,22,28,22,29,21,33,14,17,15,14,0,11,4,8,0,0,0,0,-12,5,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,0,0,72,56,70,57,55,18,25,22,63,41,54,6,250,242,496,466,481,383,423,427,418,407,412,410,511,515,632,627,584,584,573,572,472,455,701,664,648,594,1027,1009,29974,29976,29978,29979,29983,29981,29981,29982,29979,29977]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} Qa5 4. Bc4 Nf6 5. d4 c6 6. Nf3 Bf5 7. O-O e6 8. Ne2 {LiveBook: 11 Partien} h6 $146 {B01: Skandinavische Verteidigung} ({Vorgänger:} 8... Nbd7 9. Ng3 Bg6 10. Re1 Bd6 11. c3 O-O 12. Nh4 c5 13. Nxg6 hxg6 14. dxc5 Qxc5 15. Bf1 Qc7 16. c4 {0-1 (75) Nepomniachtchi,I (2732)-Ivanchuk,V (2738) Leuven 2017}) 9. Ng3 Bh7 10. Re1 Nbd7 {Die Stellung ist ausgeglichen.} 11. Bd3 Bxd3 12. Qxd3 Be7 13. Bd2 Qc7 14. c4 Rd8 15. Bc3 O-O 16. Rad1 Rfe8 17. Qe2 Bf8 18. b3 a5 19. Ne5 Bb4 20. Bxb4 axb4 21. Nd3 c5 22. dxc5 Nxc5 23. Nxc5 Qxc5 24. h3 Qa5 25. Nf1 Rxd1 26. Rxd1 Rd8 27. Rxd8+ Qxd8 28. Qe5 Qb6 29. Qb8+ Kh7 30. Qf8 Kg6 31. Nd2 Nd7 32. Qe7 Ne5 33. Qh4 {[#] Schwarz muss nun De4+ beachten.} Qd6 34. Nf1 Qd3 35. Qe7 b5 (35... Nc6 $11 36. Qxb7 Nd4) 36. Qc5 $16 Qc3 {[%cal Rb5c4]} 37. Qxb5 Nd3 38. Qb7 Qd4 39. Qf3 Nc1 40. Ng3 $36 {[%mdl 2048] zielt auf Dh5+ ab. Weiss kämpft um Vorteil.} f5 41. Kh2 {Und Dc6 würde nun gewinnen.} Nxa2 $2 (41... Qe5 $11) 42. Qe2 $1 $18 {[%csl LRa2,LRe6]} Nc1 $2 (42... Nc3 {war einen Versuch wert.} 43. Qxe6+ Qf6 44. Qe8+ Qf7) 43. Qxe6+ Qf6 44. Qe3 Qc3 45. Qf4 {[%csl Gg3][%cal Rf4f5] [#]} Qc2 46. Nxf5 Qxf5 47. Qxc1 Qxf2 {[%mdl 4096] Endspiel KD-KD} 48. c5 {[%cal Bc4c5,Bc5c6][%mdl 32] Und weiter mit c6 wäre nett.} Qd4 49. c6 Qe5+ 50. Kg1 Qc7 51. Qc5 Kf6 52. Kf1 Kg6 (52... Ke6 $142 53. Kf2 Qf4+ 54. Kg1 Qc7) 53. Ke2 Kf6 54. Qd5 Qh2 {und die Idee ...Dg3 ließe Schwarz weiter hoffen.} 55. Kd3 Qh1 56. Kc4 {Weiß setzt Matt.} Qe1 57. Kb5 Qc3 58. Kb6 Qe3+ 59. Kb7 Qe7+ 60. c7 {Precision: Weiß = 65%, Schwarz = 40%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Drozdowski, Kacper"]
[Black "Daggupati, Balaji"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2489"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,83,-4,-13,5,4,8,-10,-9,-15,0,0,35,5,6,7,31,-10,29,29,31,24,30,22,43,45,37,37,54,44,61,50,62,47,62,29,74,55,194,190,245,247,356,352,306,297,306,312,402,407,438,446,425,402,678,652,676,620,653,630,883,578,760,734,2826,2489,12839,12838,2843,1411,3076,2951]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O d6 8. d3 {LiveBook: 182 Games} Bf5 {A26: English Opening vs King's Indian with ...Nc6 and d3} (8... Nd4 9. Ne1 c6 10. b4 Re8 11. e3 Ne6 12. Bb2 h5 13. Nf3 Bd7 14. Rc1 Rc8 15. c5 Nf8 16. cxd6 Bg4 {½-½ (81) Caruana,F (2822)-Aronian,L (2767) Saint Louis 2018}) 9. Bg5 h6 10. Bxf6 (10. Bd2 {with more complications.} a5 11. Rb1 Re8 12. Qc1 Kh7 13. e4) 10... Bxf6 {The position is equal.} 11. Rb1 $146 ({Predecessor:} 11. Nd2 Bg7 12. Rb1 Qd7 13. b4 Bh3 14. Bxh3 Qxh3 15. b5 Ne7 16. Nd5 {1-0 (61) Grigoriadis,A (2189)-Kofidis,A (2345) Nikaia 2017}) 11... Re8 12. b4 Qc8 13. Nd5 Bg7 14. Nd2 Nd4 15. Ne4 {[#] Threatens to win with Nef6+.} Bxe4 (15... Qd8 {seems wilder.} 16. a4 Bg4 17. Ndc3 Rb8 18. a5 Rf8) 16. Bxe4 Ne6 17. Bg2 Qd7 18. Qd2 Rab8 19. a4 c6 20. Nc3 Nc7 21. Rfc1 d5 22. cxd5 cxd5 23. Qa2 {[%cal Rg2d5]} Red8 24. Rc2 Rbc8 25. Rbc1 d4 (25... Rb8 $14) 26. Bxb7 $18 Rb8 (26... dxc3 $142 27. Rxc3 Bf8 28. Bxc8 Rxc8) 27. Ne4 Ne6 (27... Qe6 {might work better.}) 28. Bc6 Qe7 29. b5 Nc7 30. Nc5 Kh7 31. Bg2 Ne8 32. Na6 Rb6 33. Bc6 Nf6 (33... e4 $142 34. dxe4 Nd6) 34. a5 {White is clearly winning.} Rxa6 35. bxa6 e4 36. Bxe4 Nxe4 37. dxe4 d3 38. exd3 Rxd3 39. Rc7 Rd7 40. Rxd7 Qxd7 41. Qd5 Qe7 42. Rb1 {Precision: White = 68%, Black = 17%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Patel, Advait"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2475"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,-10,5,-11,22,21,117,4,78,37,42,14,26,32,71,73,57,39,32,14,29,0,0,0,0,0,22,18,22,22,102,100,104,104,116,110,172,179,6195,566,5214,5214,1789,810,784,688,6414,5297,4810,832,832,827,826,821]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. O-O Qe7 7. h3 Rg8 8. Kh1 Nh5 9. c3 g5 10. Nxe5 g4 11. d4 Bd6 12. g3 Bxe5 13. dxe5 Qxe5 {0-1 (27) Aronian,L (2794)-Kramnik,V (2800) Berlin 2018}) 6... Nd7 7. Nc4 O-O 8. Qe2 Re8 9. Bd2 f6 10. O-O-O Nf8 {LiveBook: 4 Games} 11. Rhg1 Ne6 12. g4 Nf4 $146 (12... b5 $11 13. Na5 Qd6) ({Predecessor:} 12... b5 13. Ne3 Nf4 {0-1 (38) Chigaev,M (2566)-Pridorozhni,A (2565) Khanty-Mansiysk 2017}) 13. Qf1 (13. Bxf4 $1 $16 {Be3 is the strong threat.} exf4 14. g5) 13... Qe7 (13... b5 $11 {keeps the balance.} 14. Bxf4 exf4) 14. Kb1 (14. Bxf4 $5 exf4 15. g5 $14) 14... Be6 {[#]} 15. d4 $1 {[%mdl 512]} Qf7 (15... Bxd4 16. Nxd4) 16. b3 Bd6 17. Nxd6 cxd6 18. Bxf4 exf4 19. Qd3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 20. Qd2 a4 {[%cal Ra4b3]} 21. d5 cxd5 22. exd5 Bd7 23. Qxf4 axb3 24. axb3 Bb5 (24... h6 $11) 25. g5 $36 {[%cal Bg4g5,Bg5g6][%mdl 2080] White has strong initiative.} (25. Qxd6 Be2 $17) 25... f5 {White must now prevent ...Be2.} 26. Nd4 $1 {[%cal Rd4b5]} ({But not} 26. Qxd6 $6 Ra6 $11) 26... Qxd5 27. Nxf5 Qc5 (27... Bd3 $16 28. Rxd3 (28. Nh6+ Kh8 $16) 28... Qa5 29. Nh6+ Kh8) 28. g6 $1 $18 {Intending Nh6+! and mate.} (28. Nxd6 {gets mated.} Qc3 $1 {[%mdl 512]} 29. Qf7+ Kh8 30. Qf8+ Rxf8 31. Nf7+ Kg8 32. Nh6+ gxh6 33. gxh6+ Kh8 34. Rg8+ Rxg8 35. h4 Qa1#) 28... Rf8 $2 {[#]} (28... h5) 29. Qh4 (29. Nh6+ $142 $1 {[%mdl 512]} gxh6 30. Qxh6 Qxc2+ 31. Kxc2 Rac8+ 32. Kb1 Rc1+ 33. Rxc1 Bd3+ 34. Ka1) 29... h6 {[#]} 30. Nxh6+ $1 {[%mdl 512]} gxh6 31. Qe7 (31. Qxh6 $142 Ra1+ 32. Kxa1 Qc3+ 33. Kb1) 31... Ra1+ 32. Kxa1 {[%csl Gg6][%cal Re7h7]} Qc3+ 33. Kb1 {[%csl Gg6][%cal Re7h7]} Qg7 34. Qxg7+ Kxg7 35. Rxd6 Rxf2 36. Re6 {Precision: White = 59%, Black = 19%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Nakar, Eylon"]
[Black "Vivekananthan, Anish"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2461"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,107,32,14,52,42,75,55,54,65,56,50,52,43,51,28,47,0,39,38,35,43,84,77,75,50,33,0,0,0,0,0,-7,-18,-33,-43,-44,-66,0,0,0,-46,0,0,103,103,150,150,173,163,177,19,30,0,26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-62,-54,-277,-277,-283,-276,-256,-221,-765]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 g6 8. Nc3 Bg7 9. Be3 Nf6 10. f3 O-O 11. O-O Rfc8 12. b3 Qd8 13. Qd2 Nd7 {B52: Sicilian: Moscow Variation with 3...Bd7} 14. Nde2 a6 15. a4 Rab8 16. Rfd1 Qa5 17. Rab1 {LiveBook: 9 Games} Kf8 {[#]} 18. h3 $146 (18. Qc1 {seems wilder.} Nb4 19. Ba7 Ra8 20. Bf2 Rd8 21. Qd2) ({Predecessor:} 18. Kh1 Nf6 19. Qe1 Qc7 20. Qf2 b6 21. Nd5 Nxd5 22. exd5 {1-0 (40) Tkachiev,V (2535)-Savchenko,S (2570) London 1994}) 18... Qb4 19. Kh1 (19. Qc1 {looks sharper.} Qa5 20. f4 Nf6 21. g4 Kg8 22. Kg2) 19... Nc5 20. Qc2 Qa5 21. Nd5 e6 22. Ndc3 Rd8 23. Qd2 Qb4 24. Qc2 Qa5 25. Na2 Rbc8 26. Bg5 Re8 27. Bf4 Be5 28. Bh6+ Kg8 29. f4 Bf6 30. Rxd6 {aiming for e5.} Red8 31. e5 Be7 32. Rdd1 Rxd1+ 33. Rxd1 Rd8 34. Kh2 Qb6 ({Better is} 34... Rxd1 $15 35. Qxd1 Qb6) 35. Rxd8+ $11 Qxd8 36. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Nd3 37. b5 Ncb4 (37... Na5 $11 {remains equal.}) 38. Nxb4 $16 Nxb4 39. Qe4 Qc7 40. Kg3 Bc5 41. Bg5 $2 (41. Nc3 $18) 41... Qd7 $1 $11 42. Kh2 Kg7 43. Bf6+ (43. Nc3 {keeps more tension.} h6 44. Bf6+ Kg8 45. a5 Qd2 46. Qf3) 43... Kg8 44. Bg5 Kg7 45. Bf6+ Kg8 46. Bh4 a5 47. Be1 Qd1 48. Bh4 $1 ({Of course not} 48. Qxb7 Qxe1 49. Qc8+ Kg7 $17) 48... Qd7 49. Nc1 {[#] Nb3 is the strong threat.} Qd1 50. Qe1 (50. Ne2 $11 Qd7) 50... Qc2 $1 $15 51. Bf6 $2 (51. f5 $15) 51... Qxc4 $19 52. Qd2 Nd5 {[#] And now ...Be3 would win.} 53. Nd3 Bb4 54. Qf2 $2 {Precision: White = 34%, Black = 58%.} (54. Qd1) 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Javakhadze, Zurab"]
[Black "Gutman, Joshua"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2438"]
[BlackElo "2031"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,45,29,0,115,52,53,60,64,81,100,100,161,168,153,162,171,160,201,204,225,212,222,224,248,233,242,238,236,218,213,210,221,213,272,277]} 1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bf5 5. O-O e6 6. d3 Be7 7. Be3 {LiveBook: 44 Games} c5 $146 {A11: English Opening: 1...c6} (7... dxc4 $11 8. dxc4 Nbd7) ({Predecessor:} 7... O-O 8. Qb3 Qc7 9. Nc3 dxc4 10. Qxc4 Nbd7 11. Nh4 Nb6 12. Qb3 Bg4 13. h3 Bh5 14. Bf4 Qd7 15. g4 {1-0 (86) Navara,D (2638)-Cheparinov,I (2679) Budva 2009}) 8. d4 (8. Nh4 $16) 8... O-O 9. Nc3 Nc6 {White is slightly better.} 10. cxd5 exd5 11. dxc5 Qa5 (11... Qd7 $16) 12. a3 $18 Rad8 13. Nd4 Nxd4 14. Qxd4 Be6 15. b4 Qc7 16. Bf4 {[%cal Be3f4,Bf4e5,Be5d4][%mdl 32]} Qd7 17. Rfd1 a5 18. Be5 Qc6 19. Ra2 Rd7 20. Rad2 Rfd8 21. Qf4 h6 22. Bd4 Qc8 23. Na4 {[%mdl 32768] Precision: White = 82%, Black = 52%. . Loss on Time!?} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Rozman, Levy"]
[Black "Hung, Daniel"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2421"]
[BlackElo "2104"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,34,27,27,21,56,59,59,48,57,28,22,7,0,-38,-41,-50,-19,-66,-54,-56,0,0,0,-19,0,0,18,-18,0,-5,95,49,39,56,44,35,597,604,790,787,782,776,759,747,756,740,2243,2021,5265,3351,3177,2630,29978,12844]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 d6 5. d4 Be7 6. Be2 O-O {A28: English Opening: Four Knights Variation} 7. O-O exd4 8. Nxd4 Nxd4 (8... Re8 9. b3 Nxd4 10. Qxd4 Bf8 11. Bb2 Bf5 12. f3 c6 13. e4 Bg6 14. Rad1 Nd7 15. Qd2 Qc7 16. Rfe1 Rad8 17. Bf1 a6 18. Kh1 {0-1 (65) Indjic,A (2594)-Radusinovic,L (2430) Belgrade 2016}) 9. Qxd4 {LiveBook: 6 Games} c6 10. Rd1 Qc7 11. e4 $146 ({Predecessor:} 11. b3 Be6 12. Bb2 Qb6 13. Qf4 d5 14. cxd5 cxd5 15. Qg3 Rfd8 16. Na4 Qb4 17. Bc3 Qa3 18. Bb2 Qb4 19. Bc3 Qa3 20. Bb2 {½-½ (20) Schmitz,M (2002)-Reijneveld,A (2135) Guernsey 2013}) 11... Rd8 12. Bf4 Be6 13. c5 {[%cal Rc5d6]} Ne8 14. Qa4 b6 15. b4 b5 16. Qc2 a5 17. a3 Qa7 {[#] Hoping for ...axb4.} 18. cxd6 Bxd6 (18... Nxd6 $15 19. Be3 Qb7) 19. e5 $1 $36 {[%mdl 2048] Black must now prevent Be3. White has some pressure.} Be7 20. Be3 Qc7 21. Qe4 g6 22. g4 Ng7 23. Rac1 {aiming for Nxb5!} Qb7 (23... axb4 $11 24. Rxd8+ (24. axb4 Rxd1+ 25. Bxd1 Bc4 $14) 24... Qxd8 25. axb4 Ra6) 24. Bxb5 Bd5 25. Nxd5 cxd5 26. Qd3 {[#] Bc6 is the strong threat.} Rac8 $2 {[%mdl 8192]} (26... axb4 $14 27. axb4 Ne6) 27. Ba6 $18 Qd7 28. Bxc8 Rxc8 29. Qxd5 Qxg4+ 30. Qg2 Qxg2+ 31. Kxg2 Rxc1 32. Rxc1 axb4 33. Rc8+ Bf8 34. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32]} Ne6 35. b5 {Precision: White = 60%, Black = 24%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Stefanov, Emil"]
[Black "Kumar, Naman"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2407"]
[BlackElo "1914"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[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]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:19]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:16]} d6 {[%emt 0:00:00]} 5. f3 {[%emt 0:02:54]} O-O {[%emt 0:00:14]} 6. Be3 {[%emt 0:00:09]} c5 {[%emt 0:01:46]} 7. d5 {[%emt 0:04:47]} a6 {[%emt 0:07:46]} 8. Qd2 {[%emt 0:01:49]} Qa5 {[%emt 0:05:43]} 9. a4 {[%emt 0:05:11]} Ne8 {[%emt 0:14:19]} 10. Ra3 {[%emt 0:05:26]} Bd7 {[%emt 0:02:22]} 11. Bd3 {[%emt 0:03:27]} Bxc3 {[%emt 0:13:05]} 12. bxc3 {[%emt 0:08:44]} b5 {[%emt 0:07:26]} 13. Bh6 {[%emt 0:03:27]} Ng7 {[%emt 0:04:50]} 14. Ne2 {[%emt 0:05:35]} Rc8 {[%emt 0:02:41]} 15. h4 {[%emt 0:00:25]} bxc4 {[%emt 0:03:04]} 16. Bc2 {[%emt 0:01:30]} Ne8 {[%emt 0:04:21]} 17. h5 {[%emt 0:01:04]} Qb6 {[%emt 0:01:07]} 18. hxg6 {[%emt 0:06:34]} fxg6 {[%emt 0:07:18]} 19. Qg5 {[%emt 0:01:49]} Qd8 {[%emt 0:02:41]} 20. Qh4 {[%emt 0:00:28]} Nf6 {[%emt 0:02:26]} 21. Bg5 {[%emt 0:10:11]} Qf8 {[%emt 0:02:27]} 22. Bxf6 {[%emt 0:01:00]} Qxf6 {[%emt 0:01:20]} 23. Qxh7+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:02]} 24. Nf4 {[%emt 0:02:27]} Qg7 {[%emt 0:01:17]} 25. Nxg6+ {[%emt 0:01:37]} Kf7 {[%emt 0:00:08]} 26. e5 {[%emt 0:01:09]} dxe5 {[%emt 0:04:00]} 27. Nxe5+ {[%emt 0:00:09]} Kf8 {[%emt 0:00:22]} 28. Ng6+ {[%emt 0:00:16]} Kf7 {[%emt 0:00:02]} 29. Qh4 {[%emt 0:06:59]} Qf6 {[%emt 0:03:03]} 30. Qe4 {[%emt 0:00:15]} Rg8 {[%emt 0:02:17]} 31. Rh7+ {[%emt 0:04:05]} Rg7 {[%emt 0:02:56]} 32. Rxg7+ {[%emt 0:00:49]} Kxg7 {[%emt 0:00:32]} 33. Nxe7 {[%emt 0:02:37]} Qh6 {[%emt 0:02:15]} 34. Qe5+ {[%emt 0:04:55]} Kf8 {[%emt 0:00:23]} 35. Ng6+ {[%emt 0:00:10]} Kg8 {[%emt 0:00:10]} 36. Qf4 {[%emt 0:05:05]} Qg7 {[%emt 0:01:16]} 37. Qxc4 {[%emt 0:00:50]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Wang, Justin"]
[Black "Kovalyov, Anton"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2391"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,118,29,8,87,0,17,24,55,52,34,50,23,42,8,41,39,35,14,14,12,0,0,0,0,0,0,0,0,-27,-30,-15,16,8,14,0,0,0,25,7,4,0,7,-53,-59,-90,-21,-21,-22,-17,-24,-19,4,-96,-104,-144,-122,-105,-54,-55,-37,-125,-89,-95,0,-104,-23,-92,-86,-105,-83,-71,-79,-66,-73,-66,-67,-160,-160,-193,-210,-390,-366,-416,-402,-728,-767,-1600,-1532,-1458,-825,-1309,-1101,-1566,-1570,-1451,-1428]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 Nbd7 10. g4 O-O 11. O-O-O b5 12. g5 Nh5 13. Kb1 {LiveBook: 54 Partien. B90: Sizilianisch (Najdorf-Variante, Abweichungen)} (13. Nd5 Bxd5 14. exd5 f6 15. gxf6 Bxf6 16. Kb1 Nf4 17. Rg1 Kh8 18. Bd3 Bg5 19. Na5 Bh6 20. Nc6 Qh4 21. Qb4 {½-½ (49) Caruana,F (2784)-Mamedyarov,S (2809) Berlin 2018}) 13... f6 (13... Nb6 $11 {hält das Gleichgewicht.}) 14. gxf6 (14. h4 $16) 14... Nhxf6 ({Natürlich nicht} 14... Rxf6 15. Bg5 $14) 15. Rg1 {Die Stellung ist ausgeglichen.} Kh8 $146 ({Vorgänger:} 15... Bf7 16. Bh3 Qc7 17. Bg5 b4 18. Nd5 Nxd5 19. exd5 Bxg5 20. Qxg5 Bg6 21. Rd2 Nc5 22. Nxc5 Qxc5 23. Be6+ Kh8 24. Rg3 Ra7 {1-0 (24) Ibanez,J (2001)-Gutierrez,S (1832) Asuncion 2010}) 16. f4 ({Viel schwächer wäre} 16. Qg2 g6 $11) 16... Rc8 17. Qg2 {[%csl Gg1][%cal Rg2g7]} Rg8 18. Nd5 Nxd5 19. exd5 Bf5 20. Bd3 Bxd3 21. Rxd3 Bf6 $1 22. Bc1 Re8 23. fxe5 Nxe5 24. Rh3 Rc4 25. Nd2 Rg4 26. Qf1 Rxg1 27. Qxg1 Qd7 28. Re3 Bd8 {Droht stark ...Lb6.} 29. Re2 Qf7 30. Qg2 Rf8 31. Ne4 Be7 32. Nc5 Qf1 $1 $36 {[%cal Rf1g2][%mdl 2048] Weiss steht unter Druck.} 33. Qxf1 (33. Ne6 $11 Rf7 34. Qe4) 33... Rxf1 $15 34. Nd3 Nxd3 (34... Kg8 $17 {zielt auf ...Sxd3 ab.} 35. Re1 Rxe1 36. Nxe1 Ng4) 35. cxd3 $17 {[%mdl 4096] Endspiel KTL-KTL} Bf8 36. Re8 h6 37. b4 Kh7 38. h4 (38. Ra8 $11) 38... g5 39. h5 Bg7 40. Re6 Be5 (40... Rh1 $17 41. Kc2 Rh2+ 42. Kd1 Bf8) 41. Kc2 $1 $15 Rf2+ 42. Kb3 (42. Kd1 $1 $15) 42... Rf3 43. Kc2 Rf2+ 44. Kb3 {[#]} Rf5 ({Besser ist} 44... Rh2 $1 $17 45. d4 Bg3) 45. Re7+ (45. Kc2 $11) 45... Kg8 $17 46. Re6 Kg7 47. Rg6+ Kh7 48. Re6 Bf4 49. Bb2 Rxd5 50. Kc2 {[#]} ({Lieber} 50. Rg6 $15) 50... Be5 $1 51. Bxe5 Rxe5 52. Rxd6 $2 {KT-KT} (52. Rg6) 52... g4 $19 53. Kd2 Rxh5 54. Ke3 (54. Rf6 $142 Rh2+ 55. Ke3) 54... Rf5 {Schwarz steht klar auf Gewinn.} 55. Ke4 Rf7 56. Rc6 h5 57. Rc1 Kg6 58. d4 g3 59. Rh1 Kg5 {Precision: Weiß = 34%, Schwarz = 56%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Chua, Alexander"]
[Black "Vorontsov, Pavlo"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2332"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,95,19,11,40,14,25,28,16,0,4,7,2,31,48,50,63,45,71,0,0,0,3,4,10,-15,-12,-11,-16,-16,-9,-70,-49,-152,-113,-187,-161,-400,-394,-433,-430,-481,-477,-472,-472,-460,-466,-616,-617,-645,-650,-954,-941,-6338,-6295,-6201,-6195,-6179,-5381,-29971,-29971,-29971,-29972,-29972,-29974,-29974,-29976,-29976,-29977,-29976,-29978,-29978,-29979,-29979,-29980,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29984,-29984,-29985,-29986]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} Nbd7 (6... O-O 7. O-O Nbd7 8. b4 c6 9. a4 Bd6 10. Qc2 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Bc3 Re8 14. Nbd2 Nxf3+ 15. Bxf3 Bh3 {½-½ (58) So,W (2778)-Karjakin,S (2782) Stavanger 2018}) 7. Qc2 {LiveBook: 35 Games} Ne4 8. Nc3 $146 {White is slightly better.} ({Predecessor:} 8. O-O O-O 9. Bf4 c6 10. Nbd2 f5 11. h4 h6 12. Nxe4 fxe4 13. Ne5 Nxe5 14. Bxe5 Bd6 15. f4 exf3 16. exf3 Bxe5 17. dxe5 Bd7 18. f4 Qe7 {0-1 (65) Loriguillo,G (1857)-Stahr,R (2095) Erfurt 2017}) 8... Nxd2 9. Nxd2 c6 10. e4 {[%cal Re4d5]} dxe4 11. Ndxe4 f5 12. Nd2 e5 13. d5 ({Much worse is} 13. Qxf5 Nc5 $17) 13... e4 14. f3 e3 15. Nf1 ({White should try} 15. Nb3 $16) 15... f4 16. gxf4 O-O 17. O-O-O Qc7 18. Nxe3 Qxf4 {aiming for ...Bc5.} 19. Qe4 Bg5 $36 {[%mdl 2048] Black has some pressure.} 20. Qxf4 Bxf4 21. Kd2 ({Better is} 21. Rhe1 $11) 21... Nb6 $15 22. b3 (22. Kd3 $15) 22... cxd5 23. cxd5 (23. Ne2 $17 {was called for.}) 23... Re8 $19 24. Rde1 $2 (24. Rhe1) 24... Bf5 $1 25. Bf1 Rac8 26. Ne4 {[#]} Nxd5 $1 27. Bc4 {[#]} Rxc4 $1 {[%mdl 512]} 28. bxc4 Nxe3 29. Rxe3 Bxe4 $1 30. fxe4 Rxe4 31. Rhe1 Rxe3 32. Rxe3 {[%mdl 4096] Endgame KR-KB} Kf7 33. Kd3 Bxe3 34. Kxe3 {KP-KP} g5 {[%cal Bg7g5,Bg5g4,Bg4g3][%mdl 32]} 35. a4 Ke6 {Black mates.} 36. Kd4 h5 37. Ke4 b6 38. Kd4 g4 39. Ke4 h4 40. Kf4 {[#]} g3 $1 {[%mdl 512]} 41. hxg3 hxg3 42. Kxg3 {KPP-KPP} Kd6 43. Kf2 Kc5 44. a5 Kxc4 ({Inferior is} 44... bxa5 45. Ke2 $11) 45. axb6 axb6 46. Ke2 Kc3 47. Kd1 Kb2 48. Ke1 {Precision: White = 39%, Black = 83%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Guo, Arthur"]
[Black "Matsenko, Sergei"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2283"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,62,0,-18,42,31,40,10,20,9,27,10,16,5,17,-19,-19,-14,-12,-62,-26,-18,-27,-24,-24,-31,-28,-27,-20,-41,-27,-25,-10,-14,-17,-19,0,0,0,0,0,-702,-700,-826,-799]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. d4 e6 5. O-O c5 6. c3 Be7 7. Bg5 O-O 8. Nbd2 Na6 9. Re1 h6 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 10. Bxf6 Bxf6 11. e4 {LiveBook: 9 Games} b4 $146 (11... d5 $11) ({Predecessor:} 11... cxd4 12. cxd4 Qb6 13. Nb3 d5 14. Ne5 Bxe5 15. dxe5 Rfd8 16. Qd4 dxe4 17. Qxb6 axb6 18. Bxe4 Bxe4 19. Rxe4 Rd5 20. f4 Nc5 21. Nxc5 bxc5 22. Kf2 {½-½ (22) Drazic,S (2453)-Kazakovskiy,V (2417) Novi Sad 2017}) 12. cxb4 $14 cxb4 13. a4 Rc8 14. Nb3 d6 15. Qd3 Nb8 16. Qd2 a5 17. d5 exd5 18. exd5 Na6 19. Rac1 Qb6 20. Nfd4 Bg5 21. f4 Bf6 22. Kh1 Nc5 23. Nxc5 Rxc5 24. Rxc5 Qxc5 25. Nc6 Ba6 {[%cal Bb7a6,Ba6c4,Bc4d5][%mdl 32]} 26. Rc1 Qb6 27. Re1 Bc4 28. Qc2 Qa6 29. b3 Bc3 {Strongly threatening ...Bxb3.} 30. Re7 $2 {[%mdl 8192] [#]} (30. bxc4 $11 Bxe1 31. Ne7+ Kh8 32. Qf5 Qxc4 {[#]} 33. Ng6+ $1 {[%mdl 512]} Kg8 34. Ne7+ Kh8 35. Ng6+ $1 {[%mdl 512]} Kg8 36. Ne7+ Kh8) 30... Bxd5 $1 $19 {[%cal Ra6f1][%mdl 512]} 31. Qe2 (31. Bxd5 Qf1#) 31... Qxc6 {Precision: White = 47%, Black = 59%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Yim, Sung Ho"]
[Black "Preotu, Razvan"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2271"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,55,18,18,22,14,3,2,14,8,64,52,49,46,67,69,56,60,72,70,80,66,57,51,57,58,57,23,18,27,27,28,25,0,0,0,0,-2]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. e3 {[%cal Be2e3,Be3d4][%mdl 32]} Nf6 5. d4 cxd4 6. exd4 e4 7. Ne5 Bb4 8. Be2 Qa5 {A34: Symmetrical English: 2 Nc3, lines with ...d5} (8... O-O 9. O-O Re8 10. Bf4 Bxc3 11. bxc3 Ne7 12. c5 Ned5 13. Bd2 d6 14. cxd6 Qxd6 15. c4 Ne7 16. Bc3 {0-1 (97) Wei,Y (2740)-Adhiban,B (2671) Hoogeveen 2017}) 9. O-O Nxe5 10. dxe5 Qxe5 11. Bd2 {LiveBook: 15 Games} a5 12. a3 Bc5 13. Nb5 {[#] Black must now prevent Bc3.} O-O 14. b4 {And now Bc3 would win.} axb4 (14... Be7 $11) 15. axb4 $14 Rxa1 16. Qxa1 Bd6 $146 17. Nxd6 Qxd6 18. Rd1 Re8 19. c5 Qe6 20. Bg5 Ng4 21. Qd4 Qe5 22. Qxe5 Nxe5 23. b5 Nd3 24. Be3 d6 25. cxd6 Bd7 26. Bxd3 exd3 27. Rxd3 Bxb5 28. Rb3 {Precision: White = 66%, Black = 74%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Findlay, Ian T"]
[Black "Raznikov, Danny"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2263"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,82,31,17,39,20,39,0,22,32,36,0,0,0,0,-27,-18,-27,-28,-31,-27,-32,-34,-57,-55,-66,-26,-31,-31,-45,-28,-65,-70,-91,-43,-87,-96,-95,-47,-87,-100,-117,-75,-144,-87,-91,-82,-216,-70,-135,-139,-138,-133,-146,-64,-246,-266,-1693,-1558,-29996,-29997]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 {B92: Sicilian Najdorf: 6 Be2} Nbd7 11. Nd5 Bxd5 12. exd5 a5 13. a4 {[#] LiveBook: 3 Games} Ne8 $146 ({Predecessor:} 13... Qc7 14. Rfd1 Rfc8 15. Rac1 g6 16. h3 Bf8 17. Qf3 Bg7 {½-½ (63) Hou,Y (2676)-Nepomniachtchi,I (2720) Dortmund 2015}) 14. Bg4 Nef6 15. Be2 g6 16. Bh6 Re8 17. c4 Bf8 18. Be3 Rc8 19. Nd2 Nc5 20. Qa3 Na6 21. Rac1 b6 22. Nb1 Ne4 23. f3 Nec5 24. Nc3 Rc7 25. Nb5 Rd7 26. Bd2 Be7 27. Rb1 Bg5 28. Be1 h5 29. g3 h4 30. Kg2 Kg7 31. Bc3 f5 32. Rbe1 Bf6 33. Rf2 (33. g4 $142) 33... hxg3 (33... f4 $142 $1 34. gxf4 h3+ 35. Kf1 Bh4 36. fxe5 (36. Nxd6 $2 Rxd6 37. Bxe5+ Kg8 $19) 36... dxe5) 34. hxg3 $17 f4 35. gxf4 (35. Rh1 $17) 35... exf4 (35... Nb4 $19 {Hoping for ...Nc2.} 36. Bf1 Bh4 37. Nxd6 Bxf2 38. Nxe8+ Kf8 39. Kxf2 Qh4+ 40. Kg1 Rh7) 36. Nd4 (36. Rg1 $15) 36... Be5 $1 {Threatens to win with ...Qg5+.} 37. Rg1 {[#]} Qf6 $1 $36 {[%mdl 2048] Black is on the roll.} 38. Nb5 {[#]} Nb4 (38... Nc7 $1 $17 39. Kf1 Nxb5 40. cxb5 Qf5) 39. Bxe5 $2 (39. Bxb4 $15 axb4 40. Qxb4) 39... Rxe5 $19 ({Don't take} 39... dxe5 40. Qc3 $17) 40. Nc3 $2 (40. Qc3 Nxa4 41. Qd2) 40... Nc2 {( -> ...Ne3+)} 41. Qa2 Ne3+ {Precision: White = 19%, Black = 49%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Shen, Christopher"]
[Black "Popilski, Gil"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2254"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,98,20,12,96,94,85,86,83,87,81,85,83,74,87,96,115,116,122,93,124,114,108,100,150,161,151,144,143,137,154,126,153,130,190,150,146,157,151,154,196,179,197,194,245,237,201,93,71,-103,-110,-189,-180,-277,-272,-275,-262,-247,-253,-415,-391,-464,-464,-454,-431,-442,-437,-401,-348,-369,-376,-432,-437,-541,-534,-533,-510,-520,-494,-586,-584,-695,-655]} 1. c4 Nc6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. d3 f5 6. e3 Nf6 7. Nge2 {[%cal Bg1e2,Be2f4,Bf4d5][%mdl 32]} e5 8. Rb1 Be6 9. Nd5 O-O 10. O-O {LiveBook: 72 Partien} e4 {A25: Englische Eröffnung (Sizilianisch im Anzug)} (10... Rb8 $11 {hält das Gleichgewicht.}) (10... Rb8 11. Nec3 Ne7 12. b4 c6 13. Nxf6+ Bxf6 14. b5 d5 15. bxc6 bxc6 16. Qa4 e4 17. cxd5 cxd5 18. Rxb8 Qxb8 {½-½ (32) Timofeev,A (2549)-Palchun,G (2441) Sochi 2017}) 11. Nef4 $16 Bf7 12. Nxf6+ Bxf6 {Weiß steht besser.} 13. Nd5 Bg7 14. dxe4 fxe4 15. Bxe4 Ne5 {Droht ...c6.} 16. b3 c6 17. Nf4 Qe7 $146 ({Vorgänger:} 17... Qe8 18. Bg2 {1-0 (37) Jeffares,S (2111)-Porter,L Dublin 2008}) 18. Bg2 g5 19. Nd3 Bg6 20. e4 d5 21. cxd5 cxd5 22. Nxe5 Qxe5 23. Bb2 d4 24. Qd3 Be8 25. a4 b5 (25... g4 $16 26. h3 h5) 26. Rfd1 {[%cal Rb2d4]} Rd8 27. Rbc1 Rf7 28. a5 b4 29. Qc4 Qxa5 30. Bxd4 Bb5 (30... Qb5 $142) 31. Qc5 $18 Rfd7 {[%cal Rd7d4]} 32. Qxg5 (32. Bf1 $1 $18 {ist der präzise Gewinnweg.} Rxd4 33. Rxd4 Bxd4 34. Qxg5+ (34. Qxb5 Qxb5 35. Bxb5 Bc3 $16) 34... Kh8 35. Bxb5) 32... h6 $16 {[#]} 33. Qg6 $2 {[#]} (33. Qf5 $1 $16 {bleibt auf Kurs.} Rxd4 34. Rxd4 Bxd4 35. Bf1) 33... Qa6 $1 $36 {[%cal Ra6g6][%mdl 2048] Schwarz hat starke Initiative.} 34. Qxa6 (34. Qf5 $17 Bxd4 35. Rxd4 Rxd4 36. Bf1) 34... Bxa6 $19 35. Bh3 (35. e5 $142) 35... Rxd4 36. Be6+ Kf8 37. Rxd4 Rxd4 38. Bd5 $2 (38. Rc7 Rxe4 39. Rf7+ Ke8 40. Rxa7 Rxe6 41. Rxg7) 38... Rd2 39. Rc7 {Und weiter mit Tf7+ wäre nett.} Bd4 40. Rf7+ Ke8 41. Kg2 Be2 42. Rf5 Rd1 43. h4 Bf1+ 44. Kh2 Rd2 {Schwarz steht klar auf Gewinn.} 45. Kg1 Bh3 46. Rf7 Bd7 47. Rf3 a5 48. Bc4 Bc6 49. Rf4 Rc2 {Precision: Weiß = 42%, Schwarz = 68%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Nguyen, Emily"]
[Black "Checa, Nicolas"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2194"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,90,0,35,27,68,68,69,61,63,72,69,76,66,61,62,0,4,0,12,8,9,0,-8,-17,26,28,19,10,22,13,5,-16,-21,-7,0,0,7,0,0,0,0,-24,-29,-51,-51,-54,-53,-134,-134,-122,-125,-147,-129,-127,-144,-273,-255,-264,-252,-967,-940,-916,-914,-1256,-1256,-1241,-1241,-1677,-1671,-29982,-29983,-29983,-29984]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 cxd5 6. Bf4 Nc6 7. Rc1 Nh5 (7... Bf5 8. e3 Rc8 9. Be2 e6 10. O-O Nd7 11. Na4 Be7 12. h3 O-O 13. a3 Na5 14. Nc5 Nc4 15. b4 Nxc5 16. dxc5 Nxa3 {1-0 (44) So,W (2778)-Carlsen,M (2843) Stavanger 2018}) 8. Bd2 Nf6 9. Bf4 Nh5 {D13: Damengambit (Slawische Verteidigung, Abtauschvariante)} 10. Bd2 e6 {LiveBook: 18 Partien} 11. Ne5 Nxe5 {Weiß hat minimalen Vorteil.} 12. dxe5 {zielt auf g4 ab.} d4 $146 ({Vorgänger:} 12... g6 13. e4 Be7 14. exd5 exd5 15. Be3 Be6 16. g4 Ng7 17. Bg2 {0-1 (50) Vul,A (2294)-Haring,V (2033) Tatranske Zruby 2014}) 13. Qa4+ Qd7 14. Qxd7+ Bxd7 {[%cal Bc8d7,Bd7c6,Bc6d5][%mdl 32]} 15. Ne4 Bc6 16. Nc5 g6 17. e3 (17. Rg1 $14) 17... dxe3 $11 18. Bxe3 Bd5 19. Rg1 f5 20. Bc4 Bxc5 21. Bxc5 Rc8 22. Bxd5 exd5 23. Kd2 Ng7 24. Bd4 O-O 25. f4 Ne6 $36 {[%mdl 2048] Schwarz drückt.} 26. Ke3 Kf7 27. Bb6 Ke7 28. g3 Rc6 29. Rxc6 bxc6 {[%mdl 4096] Endspiel KTL-KTS} 30. Rc1 Kd7 {...Tb8 ist eine echte Drohung.} 31. Bc5 Rb8 32. b3 Rb5 33. Bd6 ({Lieber} 33. b4 $1 $15) 33... c5 $17 34. Kd3 Kc6 35. Rc2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 36. Rb2 Rb4 37. a3 (37. Rb1 $17) 37... Re4 $19 38. Rc2 a4 39. b4 $2 {[#]} (39. bxa4 Rxa4 40. Ra2) 39... c4+ {[%cal Bc5c4,Bc4c3][%mdl 32]} 40. Kd2 Kb5 41. Bb8 d4 42. Ba7 c3+ 43. Kd1 Kc4 44. Re2 Rxe2 45. Kxe2 Kb3 {Precision: Weiß = 19%, Schwarz = 71%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Kung, Thomas"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "B60"]
[WhiteElo "2132"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,96,79,88,96,96,73,103,58,77,64,152,137,185,170,197,202,154,154,167,164,278,289,266,300,250,0,0,0,126,112,121,111,109,118,110,120,248,205,291,256,262,189,192,180,170,79,165,117,125,113,118,113,162,164,176,102,114,79,117,115,113,116,110,114,121,129,170,173,148,84,141,135,134,133,133,131,134]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Qb6 8. Nb3 a6 9. O-O-O Bd7 10. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Qc7 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2} 11. Kb1 b5 {LiveBook: 4 Games} 12. a3 $146 ({Predecessor:} 12. Bxf6 gxf6 13. f5 b4 14. Ne2 a5 15. Nbd4 Nxd4 16. Nxd4 Qc5 17. fxe6 fxe6 {1-0 (51) Serner,A (2555)-Kashlyak,A (2511) ICCF email 2007}) 12... Rb8 {White is better.} 13. Be2 Be7 14. f5 Ne5 15. Bxf6 gxf6 {[#]} ({Better is} 15... Bxf6 $14 16. Qxd6 Qxd6 17. Rxd6 Bc8) 16. Qh6 $1 $16 Nc4 17. fxe6 fxe6 18. Qg7 {White threatens Bh5+ and mate.} Rf8 {[#]} 19. Rd3 $1 {[%cal Rd3h3]} (19. Qxh7 Nxa3+ 20. bxa3 Qxc3) 19... Kd8 20. Rh3 b4 (20... Re8 {might work better.} 21. Bh5 (21. Qxh7 b4 $16) 21... Rf8) 21. axb4 $18 (21. Rxh7 $6 Be8 $18) 21... Rxb4 22. Rxh7 Be8 {intending ...Rf7.} 23. Bh5 $2 (23. Rh8 $18 Rxh8 24. Qxh8) 23... Bxh5 $11 24. Rxh5 {Rh7 is the strong threat.} Nd2+ (24... Qb6 $11 {keeps the balance.} 25. Rh7 Re8) 25. Nxd2 $16 Qxc3 {[%csl Gb4][%cal Rc3b2]} 26. Nb3 $36 {[%mdl 2048] White is really pushing.} Qe3 27. Rh7 Re8 28. Rd1 Kd7 (28... Qxe4 $16 29. Nc5 Rxb2+ 30. Kxb2 Qe5+ 31. c3 Qxc5) 29. Rh3 Qg5 (29... Qb6 $142 30. Rc3 Rb5) 30. Qh7 Qg8 31. Qh6 Qg5 32. Qxg5 fxg5 33. Nc5+ (33. e5 $18 {has better winning chances. Black must now prevent exd6.} d5 34. Rh7) 33... Kc8 (33... Kc6 $16 {keeps fighting.}) 34. Nxe6 Rxe4 35. Rc3+ Kb7 36. Rb3+ Ka7 37. Nd4 {And now Nc6+ would win.} Rc8 38. c3 (38. Nf5 $18) 38... d5 39. Rf1 {Strongly threatening Rf7.} Bc5 40. Rf7+ Re7 41. Rf5 Bxd4 42. cxd4 {[%mdl 4096] Endgame KRR-KRR} g4 43. Rxd5 Re2 44. Rd7+ Ka8 45. d5 (45. Rb6 $142) 45... Rxg2 (45... Rb8 $142 46. Rxb8+ Kxb8) 46. Rbb7 {Threatening mate with Ra7+.White is clearly better.} Rd8 47. Ra7+ ({But not} 47. Rxd8+ $6 Kxb7 48. Rh8 Kb6 $11) 47... Kb8 48. Rdb7+ ({Much worse is} 48. Rxd8+ $6 Kxa7 49. Rg8 Kb6 $11) 48... Kc8 {Precision: White = 62%, Black = 48%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Green, Austen"]
[Black "Arribas Lopez, Angel"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2066"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,28,49,0,0,-2,0,0,0,9,14,0,0,0,13,0,0,-68,-76,-228,-227,-206,-195,-183,-189,-151,-40,-25,79,-699,-694,-685,-672,-635,-646,-814,-802,-770,-876,-875,-861,-876,-850,-975,-993,-948,-935]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Kb1 Qd7 {LiveBook: 3 Games. B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (10... Rb8 11. Ndb5 a6 12. Na7 e6 13. Qf2 Bd7 14. exd5 Nxd5 15. Nxd5 exd5 16. Rxd5 Qf6 17. c3 Be6 18. Nxc6 bxc6 {1-0 (33) Ivanchuk,V (2726)-Mamedov,R (2709) Huaian 2017}) 11. h4 $146 ({Predecessor:} 11. Nxc6 bxc6 12. exd5 Rb8 13. b3 cxd5 14. Bd4 Qc6 15. g4 e6 16. h4 Rb4 17. Ne2 a5 18. Qc3 Qxc3 19. Bxc3 {½-½ (37) Socko,M (2464)-Godzwon,I (2218) Suwalki 2018}) 11... dxe4 12. Nxc6 Qxc6 {The position is equal.} 13. h5 gxh5 14. Bb5 Qc7 15. Bf4 Qc5 16. Be3 Qf5 17. g4 hxg4 ({But not} 17... Qxf3 $2 18. Be2 $18) 18. fxg4 (18. Qh2 $1 $11) 18... Nxg4 $15 19. Nd5 $2 (19. Be2 $17 Qe5 20. Bf4) 19... Qe5 $19 {[%csl Gg7][%cal Re5b2]} 20. c3 Nxe3 21. Qxe3 {[#]} Bg4 $1 {[%cal Rg4d1]} 22. Rdg1 f5 ({Weaker is} 22... Qxd5 23. Rxg4 f5 24. Rg2 $11) ({Black should try} 22... h5 $17 23. Bc4 Rfc8) 23. Bc4 {Threatening mate with Nf6+.} Kh8 (23... Rf7 $11 {keeps the balance.} 24. Nf4 h6) 24. Rxh7+ $2 {[%mdl 8192]} (24. Qg5 $16 Qd6 25. Nxe7) 24... Kxh7 {Black is clearly winning.} 25. Rh1+ Kg6 {Threatens to win with ...Rh8.} 26. Nf4+ Kf6 27. Nh5+ Bxh5 $1 28. Rxh5 e6 29. Qg5+ Kf7 30. Rh7 Rg8 31. Qh5+ Kf8 32. Qg6 Re8 {Precision: White = 40%, Black = 37%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Dejmek, Mark"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1998"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,56,0,0,0,7,0,0,0,0,-3,2,0,0,0,0,7,7,0,37,-44,-39,-43,-54,-30,-37,-43,-30,-38,-30,-33,-38,-34,-34,-44,-32,-35,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. c4 (4. dxc5 e6 5. Nf3 Bxc5 6. Bd3 Ne7 7. O-O Ng6 8. a3 O-O 9. Nbd2 Nc6 10. b4 Bb6 11. Bb2 Nf4 12. Nb3 a5 13. Qd2 Nxd3 14. cxd3 {½-½ (38) Vitiugov,N (2735)-Anand,V (2776) Karlsruhe/Baden-Baden 2018}) 4... cxd4 5. Nf3 Bg4 6. Qa4+ {B12: Caro-Kann: Advance Variation} Bd7 {LiveBook: 7 Games} 7. Qd1 $146 ({Predecessor:} 7. Qb3 dxc4 8. Bxc4 e6 9. Nxd4 Nc6 10. Nxc6 Bxc6 11. O-O Bc5 {½-½ (30) Cheparinov,I (2661)-Delchev,A (2632) Sestao 2010}) 7... dxc4 8. Bxc4 Nc6 9. O-O e6 10. Bf4 Nge7 11. Re1 Ng6 12. Bg3 Be7 13. Nbd2 O-O 14. a3 b5 15. Bxb5 ({White should play} 15. Bd3 $14) 15... Ncxe5 $1 $15 16. Bxd7 Nxf3+ 17. Nxf3 Qxd7 18. Qxd4 Qxd4 19. Nxd4 Bf6 20. Rad1 Rfd8 21. Nc6 Rxd1 22. Rxd1 Bxb2 23. a4 e5 24. Rb1 {The position is equal.} Bc3 25. Rb3 Ba1 26. Rb1 Bc3 27. Rb3 Ba1 28. Rb1 Bc3 {Precision: White = 82%, Black = 68%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "1"]
[White "Free, Graham"]
[Black "Hilby, Craig"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1926"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,-6,63,72,78,12,24,31,20,31,28,15,31,26,30,14,16,9,26,0,0,0,14,13,8,20,77,28,86,83,105,54,53,53,56,43,45,44,47,0,23,23,52,56,50,41,43,0,0,0,0,-43,-43,-89,-82,-97,-81,-614,-594,-681,-651,-641,-605,-710,-689,-1527]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 4. e3 e6 5. g4 Nxg4 $146 (5... Bb4 $11) ({Predecessor:} 5... c5 6. g5 Nfd7 7. Nf3 Nc6 8. a3 b5 9. h4 Bb7 10. h5 Nb6 11. Ne5 Nxe5 12. Bxe5 {1-0 (26) Carlsen,M (2832)-Caruana,F (2808) Stavanger 2017}) 6. Qxg4 $14 {[#] Threatens to win with Qg3. D00: 1 d4 d5: Unusual lines} e5 7. Qg5 (7. Qh5 $16 exf4 8. Nxd5) 7... exf4 $11 8. Qxd8+ {White has an edge.} Kxd8 9. Nxd5 fxe3 10. Nxe3 g6 11. Nf3 f6 12. O-O-O Bh6 13. Bg2 Nd7 14. h4 Nb6 15. h5 g5 16. Kb1 g4 17. Nh4 c6 (17... Re8 $11 {keeps the balance.}) 18. Nhf5 Bf4 (18... Bxe3 $11 19. Nxe3 Kc7) 19. d5 $16 cxd5 20. Nxd5 (20. a4 $16) 20... Nxd5 $14 21. Bxd5 Kc7 22. Ng7 Be5 23. Rhg1 Kb6 24. Rd3 Rd8 25. Be4 Rg8 26. h6 Bf4 27. Rh1 Ka7 28. c4 Bxh6 29. Rxh6 Rxg7 30. Rxf6 Re7 31. Bf5 {[#]} h5 $1 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32] ...h4 is the strong threat.} 32. Kc2 h4 {White must now prevent ...Re2+.} 33. Rd4 $2 {[%mdl 8192]} (33. Bxc8 $17 Rxc8 34. Rh6) 33... Re2+ $19 {Black is clearly winning.} 34. Kc3 Rxf2 35. Rxg4 h3 36. Rh4 Rxf5 37. Kd4 {Precision: White = 51%, Black = 65%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Kovalyov, Anton"]
[Black "Drozdowski, Kacper"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2644"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,148,58,52,40,40,32,48,36,55,45,52,44,89,85,127,116,102,112,104,122,167,52,75,29,29,35,46,29,31,28,29,-61,-58,-59,-61,-191,-191,-196,-188,-213,-134,-131,-129,-129,-128,-127,-113,-197,-194,-460,-445,-447,-463,-458,-397,-786,-946,-739,-111,-108,-110,-106,-113,-187,-171,-157,-126,-126,-96,-96,-101,-93,-39,-87,-67,-56,-55,-68,-62,-62,-62,-62,-62,-62,-63,-63,-63,-63,-55,-55,-11,-12,0,-55,-55,-64,-55,-64,-64,-65,-49,-49,0,-68,-62,-68,-56,-50,0,-61,-31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-31,-7,-7,-7,-31,-7]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. Rb1 O-O 9. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bf5 {A29: English Opening: Four Knights Variation with 4 g3} (9... e4 10. Nxe4 Bf5 11. Qc2 Bxb4 12. a3 Bd6 13. e3 h6 14. Nh4 Bh7 15. f4 Be7 16. f5 Ne5 17. Bb2 {1-0 (35) Nakamura,H (2816)-Sevian,S (2556) Las Vegas 2015}) 10. b5 Nd4 11. d3 Bf6 {LiveBook: 3 Games. White is slightly better.} 12. Nd2 c6 13. bxc6 $146 ({Predecessor:} 13. Nde4 Nxb5 14. Nxb5 cxb5 15. Rxb5 Bd7 16. Nxf6+ Qxf6 17. Ra5 {1-0 (41) Badelka,O (2362)-Ozturk,K (2261) Riga 2017}) 13... Nxc6 14. Nde4 Be7 15. Be3 Nd4 16. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Be6 17. a5 Nd5 18. Rxb7 Nxe3 19. fxe3 Nf5 20. Qd2 Re8 21. Nb5 ({White should try} 21. a6 $18) 21... Rb8 $14 22. a6 {And now Rb1 would win.} Rxb7 $1 23. axb7 {Strongly threatening g4.} Qb6 24. Rb1 {Threatens to win with Rb2.} Rb8 $1 {[%cal Rb8b7]} 25. Nbc3 Bb4 26. Qb2 ({White should play} 26. Qc1 $11 a5 27. Na4 Qxe3+ 28. Qxe3 Nxe3 29. Bh1) 26... Rxb7 $15 27. Nd1 Nxe3 {[#]} 28. Nxe3 (28. Qxb4 $1 $15 {[%mdl 512]} Qxb4 29. Rxb4 Rxb4 30. Nxe3) 28... Qxe3+ $19 29. Kh1 Rb5 30. Rf1 h6 31. Nd6 Rb6 ({Much less strong is} 31... Bxd6 32. Qxb5 Qxe2 33. Ra1 $15) 32. Nc4 Bxc4 $1 33. dxc4 Bc5 $36 {[%mdl 2048] Black is in control.} 34. Qa1 (34. Qc2 $17 {might work better.}) 34... Rf6 35. Rxf6 $2 (35. Re1) 35... gxf6 36. Qf1 {[#]} e4 $1 37. Bh3 {[#]} Qd4 $1 38. Bf5 $2 (38. Qe1 a5 39. e3 Qxc4 40. Bf1) 38... a5 39. Kg2 Qe3 $2 (39... a4 $19 {and Black stays clearly on top.} 40. Qf4 a3 41. Bxe4 f5 42. Qxf5 a2 43. Qh7+ Kf8 44. Qxh6+ Ke7 45. Qg5+ Kd7 46. Qf5+ Kd8 47. Qg5+ Kc7 48. Qf4+ Qd6 49. Qxf7+ Qe7) 40. Bd7 $17 Kg7 41. Kh3 h5 42. Qe1 (42. Bc6 $17) 42... Qd4 43. Bb5 Bb4 44. Qf1 Qe3 45. Bc6 Qg5 46. Kg2 Qe5 (46... Qg4 $17 47. Qf2 h4) 47. Qd1 Bd6 48. Qd2 h4 49. Qe3 hxg3 50. hxg3 Qg5 51. Qxe4 Qxg3+ 52. Kf1 Bc5 {[%csl Gc5][%cal Rg3g1]} 53. Qg2 Qg5 54. Ba4 Be3 55. Bc2 Kf8 56. Qa8+ $1 Kg7 {[%csl Ge3][%cal Rg5g1]} 57. Qg2 Bd4 58. Ba4 Bb6 59. Bc2 Be3 60. Ba4 Ba7 61. Bc2 Bc5 62. Ba4 Bd6 63. Bc2 Bg3 {( -> ...Qc1+)} 64. Qe4 Bd6 (64... Bc7 {feels hotter.} 65. e3 Bb6 66. Ke2 Qc5 67. Qg2+ Kf8) 65. Qg2 Qxg2+ (65... Be7 {is more complex.} 66. Ba4 Bc5 67. Bc2 Ba7 68. Ba4 Kh6) 66. Kxg2 $15 {[%mdl 4096] Endgame [#] KB-KB} f5 $1 {[%mdl 512]} 67. Kf3 (67. Bxf5 Kf6) 67... Kf6 68. Ke3 Ke5 69. Ba4 Bc5+ 70. Kd3 Kd6 71. Be8 f6 72. Kc3 Ke5 73. Kb3 Kd4 74. Bh5 f4 {Precision: White = 53%, Black = 56%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Vorontsov, Pavlo"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2578"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,117,-5,8,-15,-14,-18,19,17,20,0,0,-23,-12,-15,-11,-34,-37,-22,47,46,37,56,38,25,50,12,18,16,12,12,20,5,47,42,61,17,15,0,4,7,0,-4,7,8,20,-23,-23,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e3 d6 6. Bc4 c5 {LiveBook: 28 Games. A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (6... Qe8 7. O-O e5 8. a4 a5 9. c3 Nbd7 10. e4 h6 11. Bh4 Nb6 12. Bd3 Bd7 13. b3 Nh5 14. Re1 {½-½ (62) Artemiev,V (2704)-Nepomniachtchi,I (2751) Poikovsky 2018}) 7. dxc5 d5 8. Be2 Qa5 9. O-O $146 ({Predecessor:} 9. c3 Qxc5 10. O-O Nc6 11. Rc1 Ne4 12. Bh4 Qb6 13. Qb3 Nxd2 14. Nxd2 e5 15. Qxb6 axb6 {0-1 (61) Maas,J (1890)-Jerez Perez,A (2412) Vlissingen 2012}) 9... Qxc5 10. Nb3 Qb6 11. a4 Nc6 12. a5 Qc7 13. Nfd4 Ne4 14. Bh4 Ne5 ({Better is} 14... g5 $11 15. Bg3 e5) 15. Nb5 $14 Qd8 16. f3 $36 {[%mdl 2048] White has good play.} Nf6 17. Nc3 Nc4 18. Bxc4 (18. Qc1 {seems wilder.} Bh6 19. f4 Bg4 20. Bxc4 dxc4 21. Nd4) 18... dxc4 19. Qxd8 Rxd8 20. Nc5 Bh6 21. f4 Rb8 22. Rfd1 Re8 23. Nb5 Bg4 24. Rd4 Rec8 25. Ne4 Nxe4 26. Rxe4 Bf5 27. Rxe7 {White wants to play Nd6.} Bf8 28. Nd6 Bxe7 29. Bxe7 Bxc2 {aiming for ...Rc7.The position is equal.} 30. Nxc8 Rxc8 $11 {[%mdl 4096] Endgame KRB-KRB} 31. Bf6 Rc6 32. Bd4 a6 33. Kf2 f5 34. h3 Kf7 35. g4 Rd6 36. g5 Rd5 37. h4 Be4 38. Rc1 Rxa5 {Threatens to win with ...b5.} 39. Rxc4 Bc6 $1 40. Rc1 Rb5 41. Kg3 Ra5 42. Bc3 Rd5 43. Ra1 Rd3 44. Kf2 Rd5 45. Bd4 Rb5 46. Ke2 Rb3 47. Kd2 Be4 48. Bc3 Rb5 49. Rg1 Rd5+ 50. Bd4 Ra5 51. Rc1 {Black must now prevent Rc7+.} Bc6 $1 52. Kc3 Rb5 53. Rc2 Ra5 54. Rh2 Bf3 55. Rh3 Be2 56. Kd2 Bg4 57. Rh1 Bf3 58. Rh3 Bg4 59. Rh1 {Precision: White = 72%, Black = 76%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Matsenko, Sergei"]
[Black "Javakhadze, Zurab"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2533"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,65,15,15,19,32,41,20,20,18,19,14,27,8,4,0,8,0,0,-3,-3,-8,0,0,0,-6,0,0,0,-15,-11,-6,0,-10,0,0,43,-12,0,-10,106,97,173,0,0,0,0,13,15,0,31,27,66,10]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} Bd6 7. Bg5 c6 (7... Be6 8. Bd3 Nbd7 9. f4 h6 10. Bh4 g5 11. fxg5 hxg5 12. Bxg5 Rxh2 13. Rxh2 Bxh2 {1-0 (69) Yu,Y (2762)-Fedoseev,V (2707) Danzhou 2018}) 8. Bd3 {LiveBook: 3 Games. The position is equal.} Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 9. Nge2 $146 ({Predecessor:} 9. Qc2 h6 10. Bh4 O-O 11. Nf3 Re8 12. O-O Nf8 {1-0 (49) Aleksandrov,A (2568)-Gasparian,T (2219) Yerevan 2016}) 9... Nf8 10. Bh4 Ng6 11. Bg3 O-O 12. O-O Re8 13. Qd2 Bf8 14. f3 c5 15. Bxg6 hxg6 16. Bh4 b5 17. dxc5 Bxc5 18. Nd4 Bb7 19. Rac1 Ba7 20. Bf2 Nd7 21. Nce2 Ne5 {Hoping for ...Nc4.} 22. b3 g5 23. h3 Qf6 24. Rc7 Rab8 25. Bg3 ({Better is} 25. f4 $1 $14 gxf4 26. exf4) 25... Bb6 $11 26. Rc2 Re7 {[#]} (26... Rbc8 $11) 27. f4 $1 $16 {[%cal Rf4e5]} gxf4 (27... Nc4 $16 28. bxc4 dxc4) 28. Rxf4 $2 ({White has to play} 28. Nxf4 $18 Qg5 29. Qf2) 28... Qg6 $11 29. Kh2 Rd8 30. Nf5 Ree8 31. Ned4 Rd7 32. Qd1 f6 33. Rf1 {Precision: White = 63%, Black = 48%.} (33. Rcf2 $14) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Preotu, Razvan"]
[Black "Stefanov, Emil"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2513"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,111,68,70,68,64,100,106,98,88,89,91,128,118,76,95,144,130,120,99,73,63,106,97,130,85,81,87,98,93,295,286,281,289,304,81,79,36,37,37,33,33,33,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-17,0,0,0,0,0,0,8,8,2302,2050,2218,2050,1438,2281,2349,2243,1968,2256,12791,12797,11441,11059,8712,8636,7972,6328,2855,502,29974,29975,29974,29973,29972,29973,5097,117,29985,29981,29980,29981,29993,29994,29994,29995,29995,29996,29997,5618]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d6 5. Qd2 Nf6 6. Bh6 O-O 7. O-O-O {LiveBook: 27 Games} Nbd7 {B07: Pirc Defence: Miscellaneous Systems} (7... Qa5 8. Bxg7 Kxg7 9. Kb1 Nbd7 10. h4 h5 11. f3 b5 12. Bd3 b4 13. Nce2 c5 14. g4 Qc7 15. dxc5 dxc5 {0-1 (66) Rublevsky,S (2702)-Mamedyarov,S (2736) Berlin 2015}) 8. e5 $146 ({Predecessor:} 8. Be2 Qa5 9. h4 b5 10. Bf3 b4 11. Nb1 Nb6 12. Bxg7 Kxg7 13. a3 d5 14. e5 {0-1 (42) Krobot,J (1680)-Masek,J (1948) Klatovy 2018}) 8... Nd5 9. Nxd5 cxd5 {White is better.} 10. h4 dxe5 11. h5 Bf6 12. hxg6 hxg6 13. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Re8 14. f4 $1 exf4 15. Qh2 $1 {And now g5 would win.} e5 16. Nf3 e4 17. Bxf4 Nf8 18. g5 Bg7 19. Ne5 Bf5 20. Bh3 Qc8 $2 (20... Qb6 $16 {might work better.}) 21. Bxf5 $18 Qxf5 22. Rdf1 Rac8 {[#] intending ...Rxc2+.} 23. Be3 $2 (23. Nxf7 $1 $18 {[%mdl 512] is more deadly.} Qxf7 24. Bd6) 23... Rxe5 $16 24. dxe5 (24. Kb1 {feels hotter.} Qd7 25. dxe5 d4 26. Rd1 d3 27. cxd3 exd3 28. Qd2) 24... Qxe5 25. Qxe5 Bxe5 26. Rd1 ({But not} 26. Bxa7 Ne6 $11) 26... Rd8 27. c4 d4 28. Rh4 $1 {[%cal Rh4e4]} f5 {Hoping for ...Ne6.} 29. gxf6 $1 Bxf6 30. Rf4 Kg7 31. Rxf6 $1 Kxf6 32. Bxd4+ Ke6 33. Bxa7 Rxd1+ 34. Kxd1 $11 {[%mdl 4096] Endgame KB-KN} Nd7 35. Kd2 b6 36. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Kd6 $2 {[%mdl 8192] [#]} (36... Ne5 $11) 37. Bxb6 $1 $18 {[%mdl 512]} Ne5 (37... Nxb6 38. c5+) 38. Kc3 g5 39. Be3 g4 40. b5 g3 41. Kd4 g2 42. c5+ Ke6 43. Kxe4 Nc4 44. Bf2 Nd2+ 45. Ke3 Nc4+ 46. Kd3 (46. Kf3 $142 Kd5 47. a4) 46... Na3 (46... Kd5 $18 47. Ke2 Na3) 47. b6 Kd7 48. b7 Kc7 {[#]} 49. c6 $1 Nb5 {[#]} (49... Kxc6 50. b8=Q) 50. Bc5 $2 (50. Bb6+ $1 $18 {[%mdl 512] and the rest is easy.} Kb8 (50... Kxb6 51. b8=Q+) 51. Bc5) 50... Kb8 $2 {[%mdl 8192]} (50... Nd6 $16) 51. Ke2 {White mates.} Kc7 52. Kf2 Kb8 53. a4 Nc7 54. Bd6 Ka7 55. Bxc7 Ka6 56. Kxg2 {Precision: White = 69%, Black = 33%.} ({Stronger than} 56. b8=Q g1=Q+ 57. Kf3 Qg4+ 58. Kf2 Qe2+ 59. Kg3 Qf3+ 60. Kh4 Qg4+ 61. Kxg4 $11) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Popilski, Gil"]
[Black "Rozman, Levy"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2491"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,11,0,12,12,12,20,10,10,17,0,7,10,16,9,17,26,51,0,109,119,134,120,103,129,177,182,197,187,218,230,209,205,191,164,167,169,161,172,249,195,197,184,236,197,505,505,505,505,477,477]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 c5 {D25: Angenommenes Damengambit} 8. Nc3 {LiveBook: 4 Partien} Qd7 9. d5 $146 ({Vorgänger:} 9. dxc5 Bxc5 10. Qb5 Be7 11. Qxd7+ Nbxd7 12. Bd2 Rc8 13. Be2 Ne5 14. O-O-O O-O 15. Kb1 {½-½ (58) Wang,Y (2699)-Andreikin,D (2712) Dortmund 2017}) 9... exd5 {Die Stellung ist ausgeglichen.} 10. Nxd5 Nxd5 11. Bxd5 Nc6 12. O-O Bd6 13. Kg2 O-O 14. Rd1 Rac8 15. Bd2 Qf5 16. Be1 (16. Bc3 $14) 16... Ne7 (16... Qg5+ $11 {bleibt in der Remisbreite.} 17. Kh1 Nd4 $1 {[%mdl 512]} 18. exd4 c4 19. Qxb7 Rb8) 17. Bxb7 $16 c4 18. Qa4 $1 Qg6+ 19. Kf1 Rc7 20. Qa6 ({Jedoch nicht} 20. Qxa7 $6 Bxh2 21. Qa6 Qg1+ 22. Ke2 Qg2 $16) 20... Bxh2 {[#]} 21. Ba5 $1 {Droht stark Dxg6.} Qxa6 22. Bxa6 Rc6 23. Bb7 Rc5 24. Bb4 $36 {[%mdl 2048] Weiss ist am Drücker.} Rc7 {[#]} 25. Ba6 $1 {zielt auf f4 ab.} Be5 26. Rac1 Rb8 (26... c3 $142 27. Bxc3 (27. bxc3 g5 $16) 27... Bxc3) 27. Rxc4 ({Keinesfalls} 27. Bxc4 $6 g5) 27... Rxc4 28. Bxc4 Nc6 (28... Ng6 {war nötig.}) 29. Ba3 Bxb2 $2 (29... Bf6 {ist zäher.} 30. f4 Rd8 31. Rxd8+ Nxd8) 30. Bxb2 $18 {Weiß steht klar auf Gewinn.} Rxb2 31. Rd6 Rb6 32. Bd5 {Precision: Weiß = 79%, Schwarz = 38%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Checa, Nicolas"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2478"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,102,0,0,0,8,1,4,8,6,10,14,3,17,0,0,0,0,0,0,-9,-12,-19,-17,-33,-24,-12,0,0,-1,-25,0,0,0,-74,-26,-27,-33,-20,-23,-23,-26,-131,-138,-139,-139,-165,-165,-165,-157,-137,-139,-241,-245,-246,-246,-300,-313,-294,-293,-437,-434,-450,-442,-437,-416,-410,-398,-341,-335,-393,-424,-397,-358,-379,-318,-438,-319,-309,-275,-324,-345,-533,-458]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bd3 Nc6 {LiveBook: 24 Games. D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} 12. Qc3 (12. Bc2 b6 13. O-O Bb7 14. d5 Na5 15. dxe6 fxe6 16. Qe2 Rc8 17. Rad1 Qc7 18. Nd4 Qe5 19. Rfe1 {½-½ (37) Wojtaszek,R (2737)-Kramnik,V (2794) Antalya 2017}) 12... Bd7 {[%cal Bc8d7,Bd7c6,Bc6a4][%mdl 32]} 13. O-O Rc8 {The position is equal.} 14. Qb2 Na5 $146 ({Predecessor:} 14... b6 15. Rac1 Qf6 16. e5 Qf4 17. Bb5 Rfd8 18. Rfd1 Nb8 19. Bxd7 Nxd7 {½-½ (51) Centofante,M (1571)-Taufer,M (1416) Trento 2008}) 15. Rac1 Bc6 16. Rfd1 Qd6 17. Rc5 Ba4 $1 {[%cal Ra4d1]} 18. Rdc1 {[%cal Bd1c1,Bc1c5,Bc5g5][%mdl 32]} Rxc5 19. Rxc5 b6 20. Rg5 Qf4 21. Rg3 Rc8 22. Nd2 Qc7 {Strongly threatening ...Qc1+.} 23. Qb4 Qc3 24. Qxa4 {[#] Qd7 is the strong threat.} Qxd2 25. h3 Rc1+ 26. Kh2 {[%cal Ra4e8]} Nc6 $36 {[%mdl 2048] Hoping for ...h5. Black is pushing.} 27. Rf3 (27. Qa6 $11 g6 28. Qc8+ Kg7 29. Qc7 Qxf2 30. Rf3 Qg1+ 31. Kg3 Qe1+ 32. Kh2 Qg1+ 33. Kg3 Qe1+ 34. Kh2 Qg1+) 27... Qb4 28. Qxb4 Nxb4 $11 {[%mdl 4096] Endgame KRB-KRN} 29. Bb5 Kf8 30. a3 Na2 31. Rd3 (31. d5 $11 Nc3 32. Bd3) 31... Nc3 $17 32. Bc6 Nd1 33. Bb7 Nxf2 34. Rf3 Nd1 35. d5 Rc3 36. Rf1 (36. dxe6 $17 Rxf3 37. gxf3) 36... Ne3 $19 37. Rf3 Ke7 38. d6+ Kxd6 39. Rxf7 Rxa3 40. Rxg7 (40. Bc8 {was called for.}) 40... b5 {[%cal Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 41. Rxh7 b4 42. e5+ Kxe5 43. Rh5+ Kd6 44. Rb5 b3 45. Be4 Nf1+ 46. Kg1 Nd2 47. Bg6 a6 48. Rb6+ Ke5 49. h4 Kf6 50. Bh7 a5 51. Bg8 (51. Ra6 {keeps fighting.}) 51... Nc4 {Precision: White = 45%, Black = 82%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Stremavicius, Titas"]
[Black "Yim, Sung Ho"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2467"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,63,0,-3,25,27,23,30,20,18,24,38,19,20,53,53,74,69,87,61,65,70,117,102,105,109,88,97,173,171,143,75,29991,29992,29994,29995,29995,29996,29996,29997]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5} b6 13. e5 (13. Rfe1 Bb7 14. Rad1 Rc8 15. Bb3 Re8 16. h4 h6 17. Qf4 Qc7 18. Qxc7 Rxc7 19. d5 Nc5 20. d6 Rd7 21. Bc4 a6 22. e5 {1-0 (51) Vachier Lagrave,M (2789)-Giri,A (2782) Leuven 2018}) 13... Bb7 14. Qe3 {LiveBook: 17 Games. The position is equal.} Bxf3 15. Qxf3 Rc8 16. Rac1 $146 ({Predecessor:} 16. Ba6 Rc7 17. Rad1 Nb8 18. Bd3 Nc6 19. Bb1 Ne7 20. Qe4 g6 21. Qf4 {½-½ (21) Laszlo,I (2120)-Javor,T (1824) Tatabanya 2014}) 16... Nb8 17. Qe4 Rc7 18. h4 g6 {[#] Strongly threatening ...Qc8.} 19. Bb3 Na6 20. Rxc7 Nxc7 21. Rc1 Ne8 22. d5 exd5 23. Qxd5 Qe7 24. h5 Ng7 25. hxg6 hxg6 26. Qd6 Qg5 (26... Qxd6 $16 {was called for.} 27. exd6 Rd8) 27. Rc7 $36 {[%mdl 2048] Black is under strong pressure.} a5 28. e6 (28. g3 $142 Qf5 29. Re7) 28... fxe6 $2 {[%mdl 8192] [#]} (28... Nxe6 $16 29. Bxe6 Qf6) 29. Bxe6+ {White mates.} Nxe6 30. Qxe6+ Kh8 31. Qh3+ Qh5 32. Qc3+ {Precision: White = 78%, Black = 45%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Arribas Lopez, Angel"]
[Black "Baryshpolets, Andrey"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2460"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,113,0,0,45,41,18,31,34,36,65,56,58,64,96,93,91,91,87,81,95,88,85,91,113,112,129,120,112,120,127,120,150,141,144,133,167,99,116,84,91,84,85,25,16,46,163,101,111,107,100,106,108,100,71,50,46,13,35,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0,98,99,99,99,2468,2643,29969,29970,29968,29967,29971,29971,29971,29971,29970,29971,29966,29967,12795,5497,29988,29989]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O Bg7 8. Re1 O-O {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 9. Bxc6 bxc6 10. d4 exd4 11. cxd4 {LiveBook: 4 Games} d5 $146 ({Predecessor:} 11... Bg4 12. Nc3 Nd7 13. Be3 c5 14. dxc5 Nxc5 15. Bxc5 dxc5 {0-1 (44) Zoler,D (2455)-Golod,V (2606) Israel 2008}) 12. e5 Ne4 13. Qc2 c5 14. dxc5 f6 15. Nbd2 {[%cal Bb1d2,Bd2e4,Be4f6][%mdl 32]} Bf5 16. e6 $1 $36 {[%mdl 2048] White is more active.} Re8 17. Nd4 Bxe6 18. Nxe4 {aiming for Nc3.} Bf7 {[#]} 19. Nxf6+ $1 ({Of course not} 19. Nc6 Qd7 $15) 19... Qxf6 {[%cal Re8e1]} 20. Rxe8+ Rxe8 {[%cal Re8e1]} 21. Be3 Re4 22. Rd1 Qe7 {Strongly threatening ...Bxd4.} 23. Qc3 Be8 24. h3 c6 25. b4 Bd7 26. a4 Qe8 27. Qd2 h6 28. Qd3 ({White should play} 28. Nf3 $18) 28... g5 $16 29. Nc2 Rc4 30. Bd4 Qf7 31. g4 (31. Bxg7 $16 Bf5 32. Qe2 Bxc2 33. Rd4) 31... Bxd4 $11 32. Nxd4 Rxb4 (32... Qf6 $1 $14) 33. Rb1 ({White should try} 33. Qxa6 $18 Qe8 34. a5) 33... Rxb1+ $16 34. Qxb1 Qf6 35. Qb8+ Kf7 36. Qb7 Ke8 37. Qb4 Qf4 38. Qe1+ Kf7 39. Qe3 (39. Qc3 {is more complex.} Qe4 40. Kf1 Qb1+ 41. Ke2 Qe4+ 42. Qe3) 39... Qxe3 40. fxe3 $11 {[%mdl 4096] Endgame KB-KN} Kf6 41. Kg2 Be8 42. a5 Ke5 43. Kf3 h5 44. gxh5 Bxh5+ 45. Kg3 Be8 46. Kg4 Bd7+ (46... Kf6 $11) 47. Kxg5 $16 {Black must now prevent h4.} Bxh3 ({Don't blunder} 47... Ke4 $2 48. h4 $18) 48. Nxc6+ Ke4 $2 {[%mdl 8192] [#]} (48... Ke6 $16 49. Kf4 Bf1) 49. Kf6 $1 $18 Kxe3 50. Ke5 Kd3 51. Kxd5 Bg2+ 52. Kd6 Kc4 53. Nd8 Kb5 54. c6 {[%cal Bc5c6,Bc6c7][%mdl 32]} Bh3 55. c7 Bc8 56. Nc6 {Threatening mate with Na7+.} Bh3 57. Nd4+ {Precision: White = 67%, Black = 49%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Kung, Thomas"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2425"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,47,27,33,3,17,12,14,3,14,12,64,14,16,18,18,8,207,214,329,326,388,381,372,340,333,330,345,331,320,320,378,374]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4 Bd7 9. O-O O-O {LiveBook: 10 Games. A28: English Opening: Four Knights Variation} (9... Qe7 10. e4 O-O 11. Re1 Nxd4 12. Nxd4 exd4 13. Bxd7 Qxd7 14. cxd4 Bb4 15. Re3 Rad8 16. Bb2 Bc5 17. Rd3 {0-1 (66) Howell,D (2676)-Malakhov,V (2686) Riadh 2017}) 10. a4 Qe7 $146 ({Predecessor:} 10... Re8 11. Nd2 a6 12. Bd3 Qh4 13. Ne4 Bf8 14. f4 exd4 15. exd4 Bf5 16. Qc2 Rad8 17. Rb1 {1-0 (39) Krutko,A (2386)-Bezzubenkov,S (2118) Izhevsk 2011}) 11. Nd2 Na5 {The position is equal.} 12. Ne4 {next dxe5 is good for White.} Rfd8 13. Bd3 Be6 (13... b6 $11) 14. Rb1 f5 15. Nxd6 cxd6 16. d5 $36 {[%mdl 2048] White fights for an advantage.} Bxd5 $2 {[#]} (16... Bd7 $11) 17. Rb5 $18 ({Weaker is} 17. Bxf5 Be6 $11) 17... Bxg2 (17... Bc6 $142) 18. Kxg2 Qg5+ 19. Kh1 b6 20. Rg1 Qf6 21. Qf3 Rf8 {and if ...e4 works, Black does fine.} 22. Qd5+ Kh8 23. Ba3 Rfd8 24. Bb4 {Precision: White = 66%, Black = 32%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Hilby, Craig"]
[Black "Shtembuliak, Evgeny"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2420"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,77,8,51,-52,-37,-41,-43,-29,-42,-35,-35,-48,-43,-52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,127,127,220,208,241,235,326,306,337,372,332,297,505,417,1400,1502,1381,1487,1771,1683,29986,1306,1256,1223,1221,889,1120,854,1834,1537,2094,1612,29986,29987,29987,29985]} 1. d4 g6 2. e4 Bg7 3. Nc3 a6 4. f4 d6 5. Nf3 Nd7 6. e5 {B06: Modern Defence} c5 {LiveBook: 9 Games} 7. e6 $146 ({White should try} 7. dxc5 $14 Nxc5 8. Be3) ({Predecessor:} 7. dxc5 dxe5 8. fxe5 Nxe5 9. Qxd8+ Kxd8 10. Bf4 Nxf3+ 11. gxf3 Bxc3+ 12. bxc3 Bd7 13. O-O-O Ke8 14. Bc4 Bc6 15. Rhe1 Rd8 16. Bxf7+ Kxf7 17. Rxd8 Bxf3 18. Rf1 {1-0 (18) Shaposhnikov,E (2554)-Azmaiparashvili,Z (2632) playchess.com INT 2007}) 7... fxe6 $15 8. Ng5 {Black is slightly better.} Bxd4 9. Nxe6 Bxc3+ $1 10. bxc3 Qa5 11. Bd2 Ndf6 12. Qe2 Kf7 (12... d5 $15) 13. Ng5+ $11 Kg7 14. Ne6+ (14. Qc4 d5 $17) 14... Kf7 15. Ng5+ Kg7 16. Ne6+ ({But not} 16. Qc4 d5 $15) 16... Bxe6 17. Qxe6 Qa4 18. Bc4 {And now Qf7+ would win.} Rf8 ({Don't blunder} 18... Qxc2 $2 19. Qf7+ Kh6 20. f5+ Kh5 21. Be2+ Kh4 22. fxg6 $18) 19. O-O-O b5 20. Bd3 $1 d5 21. Kb2 {With the idea g4.} c4 (21... a5 $1 $11 22. a3 c4) 22. Be2 $16 Rd8 {[#]} (22... Ne4 $16 {is a better defense.}) 23. g4 $1 $18 {[%cal Bg2g4,Bg4f5][%mdl 32]} b4 24. cxb4 Rd6 25. Qe5 Kf7 {...Re6 is the strong threat.} 26. f5 gxf5 27. gxf5 ({Resist} 27. Qxf5 Nh6 $18) 27... a5 $2 (27... h5 {keeps fighting.} 28. Bc3 Rh7 29. Bxc4 Qc6) 28. Rhg1 axb4 {[#]} (28... c3+ $142 29. Bxc3 axb4) 29. Bh5+ $1 {[%mdl 512]} Nxh5 30. Qxh8 c3+ 31. Kb1 Nhf6 {[#]} 32. Rg7+ (32. Rxg8 $142 $1 {[%mdl 512]} Nxg8 33. Rg1 Rd8 34. Rg7+ Kf6 35. Rxg8+ Kxf5 36. Rg5+ Ke6 37. Qxd8) 32... Ke8 33. Rxg8+ Nxg8 34. Qxg8+ Kd7 35. Bc1 b3 36. axb3 Qa5 37. Rd4 Qc5 38. Ra4 d4 39. Rc4 {Precision: White = 70%, Black = 40%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Wheeler, Cameron"]
[Black "Dejmek, Mark"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2406"]
[BlackElo "1998"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,93,72,78,73,78,15,18,0,2,-147,91,73,109,101,140,150,159,139,258,258,265,270,266,187,212,181,188,186,196,187,198,90,81,51,51,51,51,51,51,51,53,41,93,67,120,112,108,47,54,81,105,24,31,30,54,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. Kb1 Nc4 13. Bxc4 Rxc4 14. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} b5 15. b3 {B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} b4 16. bxc4 bxc3 17. Qxc3 Qc7 18. g5 Nh5 {LiveBook: 4 Games} 19. Ka1 Bh3 20. Qd3 $146 (20. Rhe1 $16) ({Predecessor:} 20. Rhe1 a6 21. Rb1 Bg2 22. Bg1 Nf4 {1-0 (49) Efendiyev,E (2497)-Poehr,A (2438) ICCF email 2011}) 20... Be6 $1 $11 21. c3 Bxc4 22. Qd2 {[#]} (22. Qc2 $1 $11 {was the only way to keep the balance.}) 22... Qa5 $2 (22... Bxa2 $1 $17 {and life is bright. Threatens to win with ...Rb8.} 23. Kxa2 Rb8) 23. Rb1 $16 Rc8 24. Rb2 Ba6 25. Rhb1 Qc7 26. Rb3 d5 (26... Be5 $16 27. R1b2 Rd8) 27. exd5 $18 Bc4 28. Rb7 Qe5 29. Nc6 Qxc3+ 30. Qxc3 Bxc3+ 31. R1b2 $1 Kf8 32. Nxe7 Ba6 33. Nxc8 (33. Rxa7 $18 {and the rest is easy.} Rb8 34. Bc1) 33... Bxb7 $16 34. Bc5+ Kg7 35. Nxa7 {[#] Black must now prevent d6.} Bxd5 36. Nb5 Bxb2+ 37. Kxb2 Bxf3 $14 {[%mdl 4096] Endgame KBN-KBN} 38. a4 Bc6 (38... f5 $14) 39. Kb3 h6 (39... f5 $14) 40. Bd4+ $16 Kh7 41. h4 (41. Kc4 $16) 41... Ng3 $14 42. Kb4 Nf5 43. Bf6 (43. Bf2 $16) 43... Nxh4 $11 44. Kc5 Bf3 45. Nd4 (45. a5 $14) 45... Ba8 46. gxh6 Nf3 47. Nxf3 {Precision: White = 46%, Black = 62%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Shen, Christopher"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2370"]
[BlackElo "2254"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,32,0,0,16,17,0,3,0,0,0,53,5,26,20,18,4,5,27,2,6,29,19,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. dxe5 dxe5 9. Qc2 c6 10. Rd1 Qe7 11. a3 {LiveBook: 3 Games. E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (11. b3 Re8 12. a4 a5 13. Ba3 Nc5 14. Ne1 h5 15. Nd3 Nfd7 16. Nb1 Bf8 17. Nd2 Qf6 18. Bb2 Nxd3 19. Bxd3 {½-½ (93) Ezat,M (2454)-Movsesian,S (2700) Antalya 2013}) 11... Nc5 $146 ({Predecessor:} 11... a5 12. h3 Nc5 13. Be3 a4 14. Bxc5 Qxc5 15. Nxa4 Rxa4 16. Qxa4 Nxe4 17. Rf1 Ng3 18. Bd3 e4 {0-1 (28) Ynojosa Aponte,F (2390)-Paul,J (2218) Charlotte 2018}) 12. b4 Ne6 13. Nxe5 Nxe4 14. Nxe4 {[#] And now f4 would win.} Bxe5 15. Bb2 Ng5 ({Better is} 15... Nf4 $11 16. Ng3 Bxb2 17. Qxb2 Nxe2+ 18. Nxe2 Bg4) 16. Ng3 Qf6 17. Bxe5 Qxe5 18. c5 a5 19. Rac1 axb4 20. axb4 Ne6 21. Bc4 Nf4 22. Qe4 (22. Re1 {with more complications.} Qg5 23. Bf1 Be6 24. Ne4 Qe5 25. g3) 22... Qxe4 {The position is equal.} 23. Nxe4 Be6 24. Nd6 Ra4 25. g3 Bxc4 26. Rxc4 Nd5 27. Nxb7 Rb8 28. Na5 Rbxb4 29. Rxb4 Nxb4 $11 {KRN-KRN} 30. Rd8+ Kg7 31. Nb7 Ra7 32. Nd6 Na6 33. Rc8 Nxc5 34. Rxc6 Ne6 {Precision: White = 50%, Black = 76%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Li, Ben"]
[Black "Sanchez, Robert"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2324"]
[BlackElo "1834"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,39,16,10,7,22,139,133,148,145,150,150,168,135,180,170,177,183,220,218,712,469,1101,1104,1089,1052]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4 Be7 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} (6... Bd6 7. Bxd6 Qxd6 8. cxd5 Nxd5 9. Nb5 Qd8 10. e4 Ne7 11. Qc2 c6 12. Nc3 O-O 13. Rd1 Nd7 14. Be2 {½-½ (41) Roiz,M (2604)-Navara,D (2726) Antalya 2017}) 7. e3 O-O 8. cxd5 Nxd5 9. Nxd5 {LiveBook: 4 Games} exd5 10. Bd3 {[%cal Bf1d3,Bd3h7,Bh7f5][%mdl 32]} Nd7 (10... c5 $11 {keeps the balance.}) 11. Qc2 $16 c5 $146 12. Bxh7+ Kh8 13. Bf5 Nf6 14. O-O Ne4 15. dxc5 Bxc5 16. Ne5 Nf6 17. Bg5 {aiming for Nd7!} Bd6 $2 {[#]} (17... Bc8 18. Rfd1 Qd6) 18. Nd7 {White is clearly winning.} Re8 (18... Be7 $142 19. Qa4 Nh5 20. Bxe7 Qxe7 21. Nxf8 Qxf8) 19. Bxf6 $18 gxf6 20. Qe2 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Lin, Andy"]
[Black "Nguyen, Emily"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2274"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,0,0,0,0,-59,-55,-74,-77,-90,0,-4,0,0,0,-93,-66,-62,-60,-58,-63,-73,-60,-67,-67,-69,-67,-68,-60,-73,-57,-68,-55,-96,-83,-97,-91,-113,-100,-139,-99,-100,-56,-93,-89,-112,-86,-100,-106,-106,-102,-96,-104,-102,-62,-126,-66,-154,-84,-180,-119,-168,-91,-148,-148,-233,-209,-296,-310,-300,-246,-633,-566,-1061,-1070,-1012,-997,-1078,-1175,-1215,-1041,-1080,-1061,-935,-796,-779,-695,-1032,-984,-29989,-29990,-29990,-29991]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c5 4. O-O g6 5. c4 d4 (5... Bg7 6. Qa4+ Nc6 7. cxd5 Nxd5 8. Nc3 e6 9. Qc4 b6 10. d3 O-O 11. Bg5 Qd7 12. Rac1 Bb7 13. Qh4 Nde7 14. Rfd1 Nf5 15. Qa4 h6 16. Bd2 {0-1 (40) Oparin,G (2609)-Vidit,S (2715) Linares 2018}) 6. e3 {A08: King's Indian Attack} Nc6 {[%cal Bb8c6,Bc6b4,Bb4a6][%mdl 32]} 7. exd4 cxd4 {LiveBook: 9 Games} 8. b4 {The position is equal.} Nxb4 9. Ne5 $146 (9. Bb2 $11) ({Predecessor:} 9. Qa4+ Nc6 10. Ne5 Bd7 11. Nxd7 Qxd7 12. d3 Bg7 {0-1 (57) Shoker,S (2365)-Govciyan,P (2411) Pau 2008}) 9... Nd7 $15 10. Qa4 {Black must now prevent Nxd7.} Na6 11. Ba3 Qc7 (11... Bg7 $17 12. Re1 O-O 13. Nxd7 Bxd7) 12. Re1 $11 e6 13. Nd3 Nac5 14. Qc2 (14. Bxc5 $11 Bxc5 15. Nxc5 Qxc5 16. d3) 14... Bg7 15. Nxc5 Nxc5 16. Bxc5 Qxc5 17. d3 O-O 18. Nd2 Qc7 19. Reb1 Rb8 20. a4 Bd7 21. a5 Bc6 22. Qa2 e5 23. Qa3 Bxg2 24. Kxg2 f5 25. Re1 Rbe8 26. f3 Qc6 27. Qa4 Bh6 28. Nb3 Qd6 29. Qb5 Re7 30. c5 Qd5 {aiming for ...e4.} 31. Ra4 Be3 32. Qc4 Qxc4 33. Rxc4 Rf6 34. Re2 (34. f4 $15) 34... Kf7 (34... g5 $17 35. Nd2 Rc7) 35. Rb4 (35. f4 $15) 35... Rc6 (35... g5 $142 $1 36. Nd2 Rc6) 36. Kf1 (36. f4 $17) 36... Rd7 (36... g5 $19 37. Ra2 Kg7) 37. Rc2 Ke6 {[#]} ({Black should try} 37... g5 $19 38. Rb5 Re7) 38. Ke2 (38. a6 $142 $1 {[%mdl 512]} bxa6 39. Na5) 38... Kd5 $36 {[%mdl 2048] Keeping White busy.} 39. Rcc4 {[#]} (39. h4 $17 {is a better defense.}) 39... g5 $1 $19 40. Kf1 (40. Rb5 $142) 40... h5 41. Rb5 {If White can now play Rcb4 this consolidates a bit.} e4 42. Rcb4 $2 (42. Ke2) 42... exd3 43. Rxb7 Rxb7 44. Rxb7 {[%mdl 4096] Endgame KRB-KRN} Kc4 45. Ke1 Kc3 46. Kd1 d2 47. Na1 Rxc5 48. Nc2 Rxa5 49. Rc7+ Kb3 50. Rb7+ Kc4 51. Ke2 d3+ 52. Kxe3 d1=Q {Precision: White = 37%, Black = 62%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Kumar, Nikhil"]
[Black "Heredia Serrano, Carla"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2268"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,67,13,0,59,35,92,85,89,88,79,-21,133,102,111,107,108,81,113,122,202,195,202,193,195,189,29996,147,29996,258,1888,142,1462,0,5800,5791,29999,508,29999,5297,29999,29995,29999,29996,29998,29988,29997,29988,29996,29996,29996,29990]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 Nbd7 7. Bg2 e6 8. O-O Be7 9. Nbd2 O-O {D23: Angenommenes Damengambit} 10. Qb3 {LiveBook: 29 Partien} c5 $146 (10... Nb6 $11) ({Vorgänger:} 10... Nb6 11. a4 a5 12. Rd1 Nfd7 13. e4 Bg6 14. Qe3 f5 15. Qb3 Kh8 16. exf5 Bxf5 17. Nc4 {½-½ (52) Eljanov,P (2732)-Motylev,A (2685) Shamkir 2014}) 11. Qxb7 $14 Rb8 (11... Ne4 $14) 12. Qxa7 $16 cxd4 13. Qxd4 ({Nur nicht} 13. Nxd4 $2 Bc5 $19) 13... Rb4 14. Qa7 ({Weiss kommt nicht vorbei an} 14. Nc4 $16) 14... Ne4 $2 (14... Nc5 $1 $11 15. b3 Rb7) 15. Nb3 {Droht stark Td1.} Ndc5 {Droht ...Ta4 und aus.} 16. Bf4 Rb7 17. Qa5 Nxb3 18. axb3 Bf6 (18... Rxb3 $16 19. Bc7 Qc8) 19. Nd2 $18 Nxd2 20. Bxb7 Nxf1 21. Qxd8 ({Finger weg von} 21. Kxf1 $6 Qd4 $14) 21... Bxb2 $2 {[#]} (21... Rxd8 $18 22. Bc7 (22. Kxf1 g5 $16) 22... Re8) 22. e4 $2 (22. Qxf8+ $1 Kxf8 23. Bd6+ Ke8 24. Bc6+ Kd8 25. Ra8#) 22... Bg6 $2 {[%mdl 8192] [#]} (22... Rxd8 $16 23. Ra2 (23. Rxf1 Bg4 $14) 23... e5) 23. Rb1 $2 (23. Qxf8+ $1 {setzt Matt} Kxf8 24. Bd6+ Ke8 25. Bc6+ Kd8 26. Ra8#) 23... Bd4 $2 (23... Rxd8 24. Rxb2 e5) 24. b4 $2 (24. Qxd4 $18 f6 25. Rxf1) 24... e5 $2 {[%mdl 8192]} (24... Rxd8 $16 25. Kxf1 Bh5) 25. b5 $2 ({Lieber} 25. Qd6 $18) 25... f5 $2 {[%mdl 8192]} (25... Rxd8 $11 26. Bc1 {[#]} Nxh2 $1 {[%mdl 512]} 27. Kxh2 Bxf2) 26. Bd5+ Kh8 27. b6 (27. Qxf8# $142) 27... fxe4 (27... Rxd8 $18 28. b7 Ba7) 28. b7 (28. Qxf8# $142) 28... Ba7 29. b8=Q {Weiß setzt Matt.} Bxb8 30. Rxb8 {[%cal Rd8f8]} h5 31. Bxe5 Kh7 32. Kxf1 Kh6 33. Bf4+ Kh7 34. Ke2 {Precision: Weiß = 62%, Schwarz = 28%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Easton, Jack"]
[Black "Free, Graham"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "2262"]
[BlackElo "1926"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,80,5,0,18,-20,8,-23,0,-23,-20,-26,-16,-77,11,11,12,2,5,6,11,0,18,-29,-14,-16,-6,-6,10,12,11,-17,-14,-10,0,0,0,0,0,0,0,-47,-45,-45,-45,-53,-48,-48,-48,-58,-39,-52,33,32,32,32,29,27,37,0,0,0,37]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. Qc2 c5 7. cxd5 exd5 8. Bd3 Nc6 9. dxc5 Bxc5 10. a3 O-O 11. O-O Bg4 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} (11... Bd6 12. h3 Be6 13. Ng5 h6 14. Nxe6 fxe6 15. f4 Rc8 16. Qe2 Bb8 17. Kh1 Qe8 18. Bd2 e5 19. Rae1 {1-0 (43) Hjartarson,J (2536)-Agrest,E (2584) chess.com INT 2018}) 12. Be2 Qe7 13. Rd1 $146 ({Predecessor:} 13. b4 Ba7 14. Bb2 Rac8 15. Qd2 Rfd8 16. Nd4 Nxd4 17. exd4 Bxe2 18. Nxe2 Bb8 19. Rac1 Bxh2+ 20. Kxh2 {1-0 (40) Machado,L (1620)-Padeiro,J (2210) Lisbon 2004}) 13... Rfd8 {Threatens to win with ...d4.Black has an edge.} 14. Nd4 (14. h3 {seems wilder.} Bh5 15. b4 d4 16. bxc5 Bg6 17. Qb2) 14... Bxd4 15. exd4 Bxe2 16. Nxe2 (16. Qxe2 $11 Qxe2 17. Nxe2) 16... Qe4 (16... Re8 $1 $17 17. Ng3 {[#]} Qe1+ $1 {[%mdl 512]} 18. Nf1 (18. Rxe1 $2 Rxe1+ 19. Nf1 Nxd4 $19) 18... Nxd4 $1 {[%mdl 512]} 19. Rxd4 Re2) 17. Qxe4 $11 Nxe4 18. f3 Nd6 19. Bf4 Nf5 20. Rac1 f6 21. Rc3 Re8 22. Kf2 g5 23. Bc1 Rac8 24. g4 Nd6 25. Ng3 Kf7 26. Rc5 b6 27. Rxd5 Ke6 28. Rxd6+ $1 Kxd6 29. Ne4+ Ke7 30. d5 {And now d6+ would win.} Ne5 31. Bd2 Rc2 32. Kg3 {Black should prevent Bb4+.} Rd8 ({Reject} 32... Rxb2 $6 33. Bb4+ Kf7 34. Nd6+ Kf8 35. Nxe8+ Kxe8 36. Re1 $11) 33. Bc3 h6 34. d6+ Ke6 35. Re1 Rxd6 (35... Rf8 $15) 36. Nxd6 $14 Kxd6 37. Re4 Kd5 38. Rd4+ Ke6 39. Re4 Kd5 40. Rd4+ Ke6 {Precision: White = 49%, Black = 36%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Daggupati, Balaji"]
[Black "Nakar, Eylon"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2226"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,99,-22,-24,54,32,99,80,58,72,126,61,81,70,75,50,49,14,23,-137,-137,-201,-208,-202,-204,-258,-261,-266,-266,-260,-260,-263,-250,-264,-268,-256,-254,-325,-324,-315,-303,-328,-332,-328,-305,-361,-342,-472,-469,-465,-265,-265,-272,-259,-262,-258,-277,-281,0,-190,0,-260,-281,-268,-182,-174,-177,-193,-187,-309,-302,-325,-320,-552,-547,-538,-520,-29971,-29975,-29997,-29998,-29998,-29999,-29999]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 a6 8. Bc4 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} b5 9. Bb3 f5 10. Ng3 {LiveBook: 5 Games. The position is equal.} Nc6 $146 (10... c5 $11 11. dxc5 Qxd1+ 12. Rxd1 Rg8) ({Predecessor:} 10... c5 11. c3 c4 12. Bc2 Bb7 13. Qe2 Nd7 14. O-O-O Nf6 15. Bxf5 exf5 16. Nxf5 {0-1 (41) Sulskis,S (2504)-Luther,T (2569) Kusadasi 2006}) 11. Qd2 Nb4 ({Black should play} 11... Nxd4 $14 12. Qxd4 (12. Nxd4 c5 $11) 12... Qxd4 13. Nxd4 c5) 12. Ne5 {Nh5 is the strong threat.} f6 13. Nf3 Qd6 (13... c5 $142) 14. Qh6 (14. a4 $16) 14... Bb7 $14 15. Qh5+ Kd7 {[%cal Be8d7,Bd7e6,Be6f7][%mdl 32]} 16. O-O-O {[#] Threatens to win with Ne5+!} Bd5 17. Kb1 a5 {[%cal Ba6a5,Ba5a4][%mdl 32] And now ...a4 would win.} 18. Nxf5 $2 (18. c3 $11 a4 19. Bxd5 Nxd5 20. Rc1) 18... exf5 $17 19. Qxf5+ (19. a3 $17 {keeps fighting.} Bxb3 20. cxb3) 19... Qe6 $1 $19 {[%cal Re6f5]} 20. Qxe6+ Kxe6 ({Don't take} 20... Bxe6 21. Ne5+ Kd6 22. Nf7+ Bxf7 23. Bxf7) 21. Rhe1+ Kf7 22. Nh4 a4 23. Bxd5+ Nxd5 24. Nf5 Rhe8 25. Nxe7 Rxe7 ({Resist} 25... Nxe7 26. c3 $19) 26. Rxe7+ Kxe7 {[%mdl 4096] Endgame KRN-KR} ({But not} 26... Nxe7 27. Rd3 $19) 27. Rd3 Kd6 28. Kc1 Re8 29. Kd2 Re4 30. c3 b4 31. cxb4 Nxb4 32. Rf3 Rxd4+ 33. Kc3 Ke5 (33... Kc5 $142 34. a3 Nd5+ 35. Kc2 Rh4) 34. Re3+ Kd5 35. a3 Nc6 36. Rh3 Rc4+ 37. Kd2 Rd4+ 38. Kc3 Rc4+ (38... Rg4 $142 39. g3 Rc4+ 40. Kd2 Nd4) 39. Kd2 Rg4 40. Rh5+ Kd6 41. g3 Rg5 42. Rxh7 Rb5 43. Kc2 (43. Kc1 {is the only way for White.}) 43... Nd4+ 44. Kc3 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 45. Rf7 $2 (45. Rh5 {was the only defense.}) 45... Rb3+ 46. Kc4 Rxb2 47. Rxf6+ {[#]} (47. f3 $19 Rxh2 48. Rf8) 47... Ke5 {Black mates.} 48. Ra6 Rc2+ 49. Kd3 c4+ 50. Ke3 Re2# {Precision: White = 36%, Black = 66%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Cervantes Landeiro, Thalia"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2172"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,69,30,10,7,0,0,0,20,20,55,55,64,56,60,62,77,72,83,82,96,83,106,68,70,70,72,69,78,54,82,67,67,60,70,55,79,76,68,62,113,113,118,79,146,146,133,139,135,109]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Bd6 10. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a6 11. Qb3 Qe7 12. Re1 {LiveBook: 7 Games. E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} (12. Ra2 Nbd7 13. Re2 b5 14. a4 Bxb4 15. axb5 axb5 16. Nxb5 c6 17. Rb2 Ba5 18. Nc3 Ba6 19. Bxa6 Rxa6 {½-½ (34) Beliavsky,A (2602)-Navara,D (2742) Baku 2016}) 12... Re8 13. h3 Nbd7 14. Bb2 {The position is equal.} Rad8 $146 ({Predecessor:} 14... h6 15. Bf5 Rab8 16. Rad1 c5 17. Bxd7 c4 18. Qc2 Nxd7 19. Re2 b5 {1-0 (99) Kashlinskaya,A (2433)-Zaiatz,E (2401) Bilbao 2014}) 15. b5 a5 16. a4 Nf8 17. Ba3 Ne4 18. Ne5 Nxc3 19. Qxc3 f6 20. Nf3 g6 21. Rec1 Ne6 22. Nd2 (22. h4 {seems wilder.} Rc8 23. h5 f5 24. g3 Ng7 25. hxg6 hxg6 26. Kg2) 22... Rc8 23. Bxd6 Qxd6 24. Qb2 Ng5 25. Rc3 Kg7 26. Rac1 Re7 27. Qa3 Qd7 28. Nf1 {[%cal Bd2f1,Bf1g3,Bg3e2,Be2f4][%mdl 32]} Nf7 29. Ng3 {Black must now prevent Bf5!} Nd6 30. Ne2 Ree8 (30... Kh8 $14) 31. Nf4 $16 Qf7 32. R1c2 Ne4 ({Black should try} 32... Kh8) 33. Bxe4 $1 {White is clearly better.} Rxe4 34. Qc1 Re7 35. Rxc7 {Precision: White = 59%, Black = 35%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Vivekananthan, Anish"]
[Black "Berczes, David"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2132"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,42,20,14,-68,15,8,22,0,5,9,9,8,23,-35,0,0,0,0,0,-76,-75,-100,-121,-73,-73,-157,-160,-298,-265,-584,-570,-1426,-1393,-6630,-3373]} 1. b3 e5 2. Bb2 Nc6 3. Nf3 d6 4. d4 e4 5. d5 Nce7 6. Ng1 $146 {A01: Nimzowitsch-Larsen Opening} (6. Ng5 $11) ({Predecessor:} 6. Ng5 e3 7. f4 Nf5 8. g3 Nf6 9. Qd3 Qe7 10. Nc3 g6 11. O-O-O Bg7 12. Bg2 {½-½ (22) Lovric,B (2369)-Timoscenko,G (2525) Opatija 2003}) 6... e3 (6... Nf6 $15) 7. fxe3 $11 Nf6 8. Nc3 {The position is equal.} g6 9. Qd3 Bg7 10. e4 O-O 11. Nf3 (11. Nh3 $11) 11... Re8 12. h3 a5 13. O-O-O a4 14. Nxa4 {[#]} (14. g4 $11) 14... b5 $1 $17 {[%cal Rb5a4,Bb7b5,Bb5b4][%mdl 32]} 15. Nc3 b4 16. Na4 Bd7 17. g4 ({Better is} 17. e5 Bf5 18. Qc4 dxe5 19. g4 (19. Bxe5 Nexd5 20. g4 Bh6+ 21. Kb2 Be4 $17)) 17... Bxa4 18. bxa4 (18. g5 $17 Bb5 19. Qxb5 Nxe4 20. Bxg7 Kxg7 21. Qxb4) 18... Rxa4 $19 19. Kb1 $2 (19. e5 {is a better chance.} Nfxd5 20. Qb3) 19... Qa8 {Black is clearly winning.} 20. Nd2 Rxa2 21. Nc4 {[#]} Nxe4 $1 {[%mdl 512] Precision: White = 26%, Black = 61%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Polavaram, Rithik"]
[Black "Sadorra, Julio Catalino"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2108"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,88,36,0,10,0,55,6,10,11,24,12,43,0,0,0,10,16,39,36,65,27,29,0,0,-32,-17,-15,-11,-7,-10,-16,0,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-19,0,-152,-160,-483,-448,-465,-458,-438,-482,-455,-455,-529,-520,-708,-692,-979,-991,-4906,-3359]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 e5 10. Rd1 Qc7 11. h3 {D46: Damengambit (Halbslawisch)} h6 12. e4 {LiveBook: 4 Partien} (12. a3 Re8 13. Ba2 a6 14. b4 exd4 15. Nxd4 Nb6 16. Bb2 Qe7 17. Rd2 Bc7 18. Nf5 Bxf5 19. Qxf5 {½-½ (53) Parligras,M (2603)-Delchev,A (2588) Konya 2017}) 12... exd4 13. Nxd4 {Die Stellung ist ausgeglichen.} Nc5 $146 ({Günstiger ist} 13... Re8 $11) ({Vorgänger:} 13... Re8 14. Nf5 Bf8 15. Nb5 Qe5 16. Nbd6 Bxd6 17. Nxd6 Rf8 18. Be3 Nb6 {1-0 (39) Pustovoitova,D (2382)-Girya,O (2482) Tbilisi 2018}) 14. b4 Ne6 15. Nxe6 Bxe6 16. Bxe6 fxe6 17. Qb3 Be5 18. Bb2 Qf7 {Weiss muss nun ...Sg4! beachten.} 19. f3 Rae8 20. Ne2 Bb8 {Schwarz will ...Sxe4 spielen.} 21. Qe3 Qc7 22. f4 e5 23. f5 Qb6 24. Qxb6 axb6 25. Ng3 b5 26. Kf2 Rd8 27. Kf3 Nd7 28. a4 bxa4 29. Rxa4 Nb6 30. Raa1 $1 Nc4 $36 {[%mdl 2048] Schwarz hat gut koordiniertes Spiel.} 31. Bc3 Bc7 32. Ne2 Bb6 33. g4 Kf7 34. Rab1 Rfe8 35. Ra1 Be3 36. Rab1 $2 {[#]} (36. h4 $11) 36... Bd2 $17 {Droht stark ...Td3+.} 37. Ra1 $2 (37. Kf2 $17 {ist zäher.}) 37... Rd3+ $19 {Schwarz steht klar auf Gewinn.} 38. Kf2 Bxc3 39. Rxd3 Bxa1 40. Rd7+ Re7 41. Rd1 {[#]} Bd4+ $1 42. Nxd4 Rd7 43. Ke2 exd4 44. Kd3 Nb2+ {Precision: Weiß = 46%, Schwarz = 51%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Hung, Daniel"]
[Black "Guo, Arthur"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2104"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,-30,-26,-31,-22,-17,0,-8,0,-11,-1,-3,-3,-5,6,-25,-9,-7,26,-8,-14,-20,-26,-41,-40,-52,-48,-65,-62,-66,-60,-69,-65,-65,-64,-68,-52,-67,-48,-72,-65,-113,-122,-151,-148,-244,-247,-269,-260,-252,-268,-262,-250,-340,-258,-891,-893,-858,-842,-1045,-1033]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bc4 (5. Bd3 Nc6 6. Be2 e5 7. O-O Nf6 8. d3 Be7 9. Bg5 d6 10. Nd2 O-O 11. Nc4 Be6 12. Bxf6 Bxf6 {0-1 (77) Carlsen,M (2834)-Lenic,L (2662) chess.com INT 2018}) 5... b5 6. Bd5 {B23: Closed Sicilian: Lines without g3} Rb8 7. Nxd4 cxd4 8. Ne2 Nf6 9. Nxd4 e6 {LiveBook: 4 Games} 10. Bb3 Nxe4 11. O-O Be7 $146 ({Predecessor:} 11... Bb7 12. c3 {1-0 (40) Thavandiran,S (2320)-Navalgund,N (2188) Chennai 2011}) 12. c3 Bb7 13. Nf3 O-O 14. d4 Qc7 15. Re1 Rfc8 16. Qd3 Nf6 17. Bg5 h6 18. Bh4 (18. Bxf6 $5 Bxf6 19. Ne5 $11) 18... d6 19. Rad1 Bd5 20. Bxf6 Bc4 21. Bxc4 bxc4 22. Qe2 {[#] Threatens to win with Bxe7.} Bxf6 23. d5 e5 24. Rd2 Qa5 25. a3 Rb5 26. Qe4 Rcc5 27. h3 Qb6 28. Ree2 Qb7 29. Qg4 g6 ({Don't play} 29... Rxd5 $6 30. Rxd5 Rxd5 31. Qxc4 $15) 30. Kh2 Kg7 31. Kg1 (31. a4 $17 {was called for.} Ra5 32. Qe4) 31... Rxd5 $19 32. Qxc4 Rxd2 33. Rxd2 e4 ({Much less strong is} 33... Rxb2 34. Rxd6 Qe7 35. Rd1 $17) 34. Nh2 Rxb2 35. Rxd6 Qa7 36. Ng4 $2 {[#]} (36. Rxf6 Rb1+ 37. Nf1 Kxf6 38. Qxe4) 36... Rb1+ {Black is clearly winning.} 37. Kh2 Qb8 38. Qxa6 Be7 {Precision: White = 42%, Black = 64%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Gutman, Joshua"]
[Black "Chua, Alexander"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2031"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,38,18,15,18,17,9,4,-94,-95,-166,-161,-174,-90,-89,-83,-72,-49,-90,-52,-289,-272,-29994,-29995,-29995,-29996]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. b4 c6 9. a4 Bd6 10. Qc2 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Bc3 Re8 14. Nbd2 Nxf3+ 15. Bxf3 Bh3 {½-½ (58) So,W (2778)-Karjakin,S (2782) Stavanger 2018}) 6. Bg2 {E01: Katalanisch} O-O 7. O-O c6 8. Qc2 Ne4 {LiveBook: 12 Partien} 9. Bc3 Nd7 10. Nfd2 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 11. f3 $146 (11. Nxe4 $11 {bleibt in der Remisbreite.} fxe4 12. f3) ({Vorgänger:} 11. Nxe4 fxe4 12. f3 exf3 13. exf3 c5 14. Qe2 Qf6 15. Kh1 cxd4 16. Bxd4 e5 {½-½ (16) Baenziger,F (2343)-Sandalakis,A (2443) Boeblingen 2016}) 11... Nxc3 $17 12. bxc3 {[#]} (12. Qxc3 $17 c5 13. cxd5) 12... f4 $1 $19 {[%cal Rf4g3]} 13. g4 b5 (13... a5 $19 14. a4 b6 15. cxd5 exd5) 14. c5 $17 {[#]} Nxc5 $1 {[%mdl 512]} 15. dxc5 Bxc5+ 16. Kh1 Rf6 {[%cal Bf8f6,Bf6h6,Bh6h2][%mdl 32] ...Th6 ist eine echte Drohung.} 17. e4 $2 ({Lieber} 17. Rd1 $1 $15 Rh6 18. Nf1) 17... Rh6 $19 ({Finger weg von} 17... fxe3 18. Nb3 $17) 18. Nb3 $2 {[#]} (18. Rg1 $19) 18... Rxh2+ $1 {[%mdl 512]} 19. Kxh2 Qh4+ {Precision: Weiß = 22%, Schwarz = 78%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "2"]
[White "Kumar, Naman"]
[Black "Findlay, Ian T"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1914"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,92,48,44,27,27,26,19,18,20,11,29,0,0,-54,-64,-147,-122,-120,-129,-178,-129,-151,-150,-189,-186,-542,-511,-469,-391,-706,-608,-782,-774,-776,-743,-719,-697,-740,-609,-1495,-835,-2016,-1623,-1962,-1774,-29955,-29947,-12831,-5114,-29976,-29977,-29977,-29978,-29978,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29979,-29980,-29979,-29980]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Kb1 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} Rb8 15. Ne4 Qc7 {LiveBook: 14 Games} 16. Bb3 {White is slightly better.} (16. Bc5 {seems wilder.} Rfd8 17. g4 a5 18. a4 Rb7 19. h4) (16. Bc5 Rfd8 17. g4 h6 18. Bb3 a5 19. Rg1 Rd7 20. h4 Rbd8 21. a4 Nf4 22. Rxd7 Rxd7 23. Bxe6 Nxe6 {½-½ (32) Anand,V (2776)-Nakamura,H (2787) Moscow 2018}) 16... Nxe3 17. Qxe3 Bxb3 18. cxb3 $146 ({Predecessor:} 18. axb3 Rfd8 19. g4 Rd4 20. g5 a5 21. Rhe1 a4 22. bxa4 Qb6 23. Qc3 Rxa4 24. b3 Rba8 25. Qb2 R4a6 26. Rd2 Qa7 {0-1 (26) Walter,S (2220)-Winiarski,M (2295) Warsaw 2017}) 18... Rfd8 19. Qc5 Rd4 20. Rxd4 exd4 21. Rc1 (21. h3 $11) 21... Qxh2 $15 22. Qxa7 (22. Qd6 $1 $15 Be5 23. Qxc6) 22... Rf8 23. Qa6 Qxg2 24. Qd3 Bh6 25. Nf6+ Kh8 26. Qxd4 Qxf3 $40 {[%mdl 128] [#] And now ...Bg7 would win. Black attacks with force.} ({And not} 26... Bxc1 27. Nd7+ f6 28. Nxf8 $15) 27. Qh4 $2 (27. Ne8+ {is more resistant.} f6 28. Re1) 27... Qf5+ 28. Ka1 Qg5 29. Qxg5 $2 (29. Rh1 Qxh4 30. Rxh4) 29... Bxg5 $19 30. Rxc6 Bxf6 31. Rxf6 {[%mdl 4096] Endgame KR-KR} Kg7 32. Rf1 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 33. a4 h4 34. Ka2 g5 35. a5 g4 36. b4 h3 37. Rh1 Rh8 38. a6 h2 39. Rxh2 Rxh2 {KR-K3P. Black mates.} 40. a7 Rh8 41. b5 g3 42. b6 Ra8 43. Kb3 g2 44. b7 Rxa7 45. b8=Q g1=Q 46. Qe5+ f6 {Precision: White = 20%, Black = 76%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.08.31"]
[Round "2"]
[White "Oberoi, Shelev"]
[Black "Reshef, Omer"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1896"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,96,0,0,-111,-102,-107,-22,-120,-125,-125,-106,-118,-100,-134,-56,-148,-96,-145,-127,-116,-124,-311,-85,-93,-85,-93,-93,-86,-54,-72,-70,-74,-85,-83,27,26,24,-63,-54,-93,-96,-197,-191,-270,-268,-260,-258,-395,-187,-483,-481,-516,-513,-629,-614,-663,-661,-645,-636,-617,-604,-638,-619,-665,-662,-865,-841,-811,-748,-1283,-1241,-1598,-1573,-1495,-1421,-12839,-12838]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 O-O 7. a4 a6 8. Bg5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (8. Re1 h6 9. h3 Re8 10. Nbd2 Be6 11. b4 Bxc4 12. Nxc4 Ba7 13. Qc2 d5 14. Ne3 Bxe3 15. Bxe3 Qd7 {1-0 (44) Vachier Lagrave,M (2789)-Kramnik,V (2792) Paris 2018}) 8... h6 9. Bh4 g5 10. Nxg5 hxg5 11. Bxg5 Kg7 {LiveBook: 4 Games} 12. Kh1 (12. Qf3 $11) 12... Rh8 $1 $17 13. Qf3 Be6 (13... Kg6 $17 14. b4 Kxg5 15. bxc5 Ng4) 14. Nd2 (14. Bd5 $11) 14... Qe7 $1 15. b4 Ba7 $1 16. Bd5 $146 ({Predecessor:} 16. h3 Bxc4 17. Nxc4 Qe6 18. b5 axb5 19. axb5 Ne7 20. Rfd1 Ng6 21. Be3 Rag8 22. Bg5 {1-0 (22) Gubo,J (1958)-Rivas Maceda,J (1991) LSS email 2014}) 16... Rag8 17. Nc4 Nb8 ({Black should try} 17... Rh7 $1 $17 {Threatens to win with ...Rgh8.} 18. h4 Rgh8) 18. Ne3 ({White should play} 18. Bxb7 $15 Bxc4 19. dxc4) 18... c6 (18... Nbd7 $142 19. Bxb7 Kf8) 19. Bc4 Bxe3 20. fxe3 {[%cal Rg5f6]} Nbd7 21. Rf2 $2 (21. Ra2 $17 {keeps fighting.}) 21... Bxc4 $2 (21... Bg4 $1 $19 {[%cal Rg4f3] and Black stays clearly on top.} 22. Qg3 Kf8 23. Qxg4 Nxg4 24. Bxe7+ Ke8) 22. dxc4 Qe6 23. Raf1 {[%cal Rg5f6]} Ng4 24. Qxf7+ Qxf7 25. Rxf7+ Kg6 26. Rxd7 ({Not} 26. h4 $2 Nb6 $19) 26... Kxg5 27. Rf5+ Kh4 (27... Kh6 $1 $17 28. Rxd6+ Rg6) 28. Rf3 $11 {White wants to play h3.} Kg5 29. Rf5+ (29. h3 $11) 29... Kh6 $1 $15 ({Much worse is} 29... Kh4 $6 30. Rf3 $14) 30. Rf3 {[#] Strongly threatening h3.} Rf8 $1 $36 {[%mdl 2048] Black is on the roll.} 31. Rxd6+ (31. Kg1 $17) 31... Kg5 $19 32. h3 (32. Rd7 {is a better defense.} Rd8 33. Rff7) 32... Rxf3 33. gxf3 Nxe3 {[%mdl 4096] Endgame KRN-KR} 34. Kh2 (34. Kg1 $142) 34... Rh7 (34... Nxc4 $142 35. Rd7 Kf4 36. Rf7+ Ke3 37. Rxb7 Kxf3) 35. c5 $2 {[#]} (35. Kg3 {was worth a try.}) 35... Nc4 $1 {[%cal Rc4d6] Black is clearly winning.} 36. Rd8 Kf4 37. Rf8+ Ke3 38. Kg3 Rg7+ 39. Kh4 Nd2 40. Kh5 Nxf3 41. Kh6 Re7 42. Kg6 Kxe4 43. Rh8 Kd3 44. Kf6 Rc7 45. h4 e4 {[%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 46. h5 e3 47. Rd8+ Kxc3 48. h6 e2 {Precision: White = 17%, Black = 63%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Xiong, Jeffery"]
[Black "Popilski, Gil"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2650"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,97,41,39,50,44,51,73,74,102,109,102,112,111,52,61,64,58,52,80,73,183,158,166,167,179,160,168,172,181,188,214,195,203,190,274,81,100,75,81,67,72,77,127,129,129,135,115,93,97,88,167,162,254,260,273,194,201,193,198,202,203,185,280,275,265,265,385,387,366,358,337,230,420,421,376,409,373,356,352,344,337,334]} 1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. c4 c6 7. Nc3 Qa5 8. e4 Qh5 9. Re1 e5 {LiveBook: 6 Games. E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} 10. d5 Bg4 11. Qd3 Bh3 $146 {White is slightly better.} ({Predecessor:} 11... cxd5 12. cxd5 Na6 13. Qe3 Ne8 14. Nh4 Bd7 15. Bf3 Bg4 16. Bg2 Nb4 17. Qd2 {0-1 (59) Ivoskaite,D (2008)-Asauskas,H (2384) Birstonas 2002}) 12. Bg5 h6 {Hoping for ...Bxg2.} 13. Bxf6 Bxf6 14. dxc6 Nxc6 15. Nd5 ({White should try} 15. Qxd6 $16 Be7 16. Qd3) 15... Bd8 16. Bxh3 Qxh3 17. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bb6 18. Rac1 Kg7 (18... Qe6 $16) 19. Nxb6 $18 axb6 20. b5 $36 {[%mdl 2048] Black is under strong pressure.} (20. Qxd6 $6 Rfd8 $14) 20... Nd8 21. Qxd6 Qe6 22. Qxe5+ Qxe5 23. Nxe5 Rxa2 24. Rcd1 Ne6 25. Rd7 Ng5 (25... Nc5 $142) 26. Kg2 $2 ({Don't do} 26. Rxb7 $6 Nh3+ 27. Kg2 Nxf2 $16) (26. Kf1 $1 $18 {and the rest is easy.}) 26... Re8 $16 27. Rd5 Rc2 28. Re3 Re7 29. h4 Nh7 {[#] ...Nf6 would now be nice for Black.} 30. Nd7 $1 Rxc4 31. e5 ({But not} 31. Nxb6 Rcxe4 32. Rxe4 Rxe4 $14) 31... Nf8 32. Nxb6 Rc2 33. Rd6 Rc5 (33... Re6 $16) 34. Nd5 $18 Rd7 {[#]} (34... Re6 {keeps fighting.} 35. Rd8 h5) 35. Nf6 $1 {[%cal Rf6d7]} Re7 36. Rd5 Rxd5 37. Nxd5 {[%mdl 4096] Endgame KRN-KRN} Rd7 38. Nf6 Rd8 39. h5 g5 (39... Ne6 {was necessary.} 40. hxg6 Kxg6) 40. Ne4 Rd5 41. Nd6 Nd7 (41... Ne6 {might work better.} 42. b6 Nd8) 42. f4 gxf4 43. gxf4 Kf8 {Black hopes to continue with ...f6.} 44. Kf3 Nc5 $2 (44... f6 {was worth a try.} 45. Ke4 (45. Nxb7 fxe5 46. Rb3 exf4 $11) 45... Rd1 46. Nxb7 fxe5 47. fxe5 Ke7) 45. Ra3 f6 46. Ra8+ Ke7 47. Nf5+ Kd7 48. Nxh6 fxe5 49. Nf7 {Precision: White = 76%, Black = 48%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Baryshpolets, Andrey"]
[Black "Kumar, Nikhil"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2609"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,104,21,14,30,22,29,0,12,0,53,34,112,116,114,109,123,124,128,87,116,55,50,34,34,34,34,38,33,33,33,33,35,35,36,27,50,43,38,29,64,62,77,20,22,20,20,12,12,12,12,12,12,12,12,12,12,4,11,11,12,11,15,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2784]} 1. c4 {Marin,M} e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 h6 9. Bh4 Nh5 10. Bxe7 Qxe7 11. Nge2 Nb6 12. O-O {D36: Damengambit (Abtauschvariante)} O-O 13. Rab1 {[#] LiveBook: 8 Partien} Nf6 $146 ({Vorgänger:} 13... a5 14. Qb3 Qd8 15. Na4 Nxa4 16. Qxa4 Bg4 17. Nc3 Re8 18. Qc2 Qg5 19. Kh1 Nf6 {½-½ (27) Leko,P (2737)-Adams,M (2740) Dortmund 2013 CBM 156 [Marin,M]}) 14. b4 {Weiß hat minimalen Vorteil.} a6 15. Nc1 {[%cal Be2c1,Bc1b3,Bb3c5][%mdl 32]} Be6 16. Nb3 Rae8 (16... Nc4 $11) 17. a4 g6 ({Lieber} 17... Nc4 $14) 18. Nc5 $16 Bc8 19. b5 axb5 20. axb5 Nc4 21. Bxc4 dxc4 22. Qa2 (22. Rb2 $16) 22... Bf5 $1 $14 {[%cal Rf5b1]} 23. e4 Nxe4 24. N5xe4 Bxe4 25. Rbe1 f5 $1 26. bxc6 bxc6 27. Nxe4 fxe4 28. Qxc4+ Qe6 29. Qc3 Qd5 30. Rc1 Re6 31. Qe3 Rd8 32. Qxh6 Qxd4 33. h3 (33. Qh3 $16 Qe5 34. Rb1) 33... Qd2 $11 {Die Stellung ist ausgeglichen.} 34. Qh4 e3 35. fxe3 Qxe3+ 36. Kh1 Rd4 37. Qf2 Qxf2 38. Rxf2 {[%mdl 4096] Endspiel KTT-KTT} Kg7 39. Rfc2 Rdd6 40. Rc5 Kh6 41. Kh2 Rf6 42. R1c4 Rfe6 43. Kg3 Rd2 44. Rxc6 Ree2 45. Rh4+ Kg7 46. Rc7+ Kf6 47. Rc6+ (47. Ra4 {with more complications.} Rxg2+ 48. Kh4 Rd8 49. Ra6+ Ke5 50. Re7+) 47... Kg7 48. Rc7+ Kf6 49. Rf4+ Ke6 50. Kh4 {[#] Und weiter mit g4 wäre nett.} Rxg2 51. Rg4 Rxg4+ 52. hxg4 Ke5 $2 {[%mdl 40960] Precision: Weiß = 40%, Schwarz = 54%. . An unexpected result.} (52... Kf6 $11) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Sadorra, Julio Catalino"]
[Black "Stremavicius, Titas"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2555"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,77,57,56,106,20,83,73,69,74,92,73,79,84,78,58,62,53,62,58,68,67,104,79,85,84,85,78,113,113,102,110,133,133,133,133,161,162,160,152,167,145,169,158,220,218,218,220,268,270,342,328,434,263,461,520,491,495]} 1. Nf3 {Metz Alekhine/Primel,D} d5 2. g3 Nf6 3. Bg2 e6 4. O-O c5 5. c4 dxc4 6. Na3 Nc6 7. Nxc4 Be7 8. b3 O-O 9. Bb2 Bd7 {A13: English Opening: 1...e6} 10. d4 cxd4 11. Nxd4 Rc8 12. Nb5 {LiveBook: 6 Games} Rb8 {[#]} (12... a6 13. Nbd6 Rc7 14. Rc1 Qb8 15. e4 b5 16. e5 Nd5 17. Bxd5 exd5 {1-0 (31) Wei,Y (2743)-Yu,Y (2751) Shenzhen 2017}) 13. Nbd6 (13. Rc1 $1 $16) 13... Ne8 $146 (13... b5 $11 {remains equal.}) ({Predecessor:} 13... b5 14. Ne5 Nxe5 15. Bxe5 Qb6 16. Ne4 Rbd8 17. Bd4 {1-0 (42) Aguettaz,M (2412)-Crut,A (2367) Metz 2013 EXT 2016 [Metz Alekhine/Primel,D]}) 14. Rc1 $16 b5 15. Nxe8 Bxe8 16. Ne5 Nxe5 17. Bxe5 {Threatens to win with Bc7.} Rc8 18. Qd4 Qxd4 19. Bxd4 Rd8 20. e3 a6 21. Rc7 $36 {[%mdl 2048] Black is under pressure.} Rd7 22. Rfc1 Bd6 23. Rc8 Ba3 24. R1c7 f6 25. Rxd7 Bxd7 26. Rc7 Bc8 {[#]} 27. Bh3 $1 {Rxc8! is the strong threat.} Kh8 28. Bc3 b4 29. Bd4 Rd8 30. Bb6 h6 31. Bf1 e5 32. Ra7 Rd1 (32... Re8 $16 {was worth a try.} 33. Bd3 (33. Bxa6 Bxa6 34. Rxa6 Rc8 $16) 33... Bg4 34. Rxa6 (34. Bxa6 Bf5 $16) 34... Bf3) 33. Ra8 $18 Rc1 {Threatening ...Kh7.} 34. Kg2 Kh7 35. Bd3+ ({Weaker is} 35. Bxa6 Bxa6 36. Rxa6 Rc6 $11) 35... g6 36. Ra7+ (36. Bxa6 Bxa6 37. Rxa6 Rc6 $16) 36... Kh8 37. Bc4 {aiming for Ra8.} Bf5 $2 (37... Be6 38. Bxe6 Rc6) 38. Bd8 {[%cal Rd8f6]} Be4+ 39. f3 {Precision: White = 61%, Black = 38%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Shtembuliak, Evgeny"]
[Black "Findlay, Ian T"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2518"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,40,160,151,71,78,70,87,76,109,57,70,69,97,99,107,109,137,67,429,142,685]} 1. e4 c5 {[%cal Bc7c5,Bc5d4][%mdl 32]} 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. Nge2 Bg7 6. Nxd4 cxd4 7. Qf3 e6 8. Nb5 d6 9. Qa3 Ke7 {B23: Closed Sicilian: Lines without g3} 10. c3 dxc3 11. dxc3 a6 {[#] LiveBook: 10 Games} 12. Bd3 (12. Bb3 $142 $1) (12. Nd4 e5 13. Nc2 Be6 14. Qb3 Qc7 15. Bd5 Bxd5 16. Qxd5 Qc6 17. Qd3 h6 18. Nb4 Qe8 19. Nd5+ {1-0 (19) Hou,Y (2673)-Cramling,P (2518) Beijing 2014}) 12... Rb8 $16 13. Nd4 e5 14. Nc2 Be6 15. O-O (15. f4 $16) 15... Nf6 $14 16. Kh1 $146 ({Predecessor:} 16. h3 Re8 17. f4 exf4 18. Bxf4 {1-0 (34) Zhurov,S (2297)-Chekletsov,I (2350) Pardubice 2017}) 16... h6 17. f4 exf4 18. Bxf4 {Strongly threatening e5.} Ng4 19. Ne3 (19. Nd4 $16 Be5 20. Be2 Bxf4 21. Bxg4 (21. Rxf4 Ne5 $16)) 19... Nf6 $2 {[%mdl 8192] [#]} (19... Nxe3 $1 $14 20. Bxe3 Kf8) 20. Bc2 $2 (20. Rae1 $18 {is more deadly.}) 20... Ng4 $2 {[%mdl 8192] Precision: White = 23%, Black = 36%.} (20... Nh5 $16) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Berczes, David"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2501"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,41,29,25,23,9,16,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 {E36: Nimzoindisch (4.Dc2)} Ba6 10. Qa4 c5 (10... Qd7 11. Qc2 c5 12. Bxf6 gxf6 13. Rd1 Qe7 14. g3 Bb7 15. Bg2 Rd8 16. O-O Nd7 {½-½ (30) Mamedyarov,S (2808)-Caruana,F (2816) Paris 2018}) 11. dxc5 bxc5 12. Rd1 Qb6 13. Bxf6 {LiveBook: 57 Partien} gxf6 14. Rd2 Nc6 {Die Stellung ist ausgeglichen.} 15. Qg4+ Kh8 {Droht ...Tfd8 und aus.} 16. Qh4 Kg7 $1 {Weiss muss nun ...Tfd8 beachten.} 17. Qg4+ Kh8 {Und weiter mit ...Tfd8 wäre nett.} 18. Qh4 Kg7 $1 {...Tfd8 ist eine echte Drohung.} 19. Qg3+ Kh8 {[#]} 20. Qh4 $146 Kg7 $1 {Droht stark ...Tfd8.} 21. Qg3+ 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Raznikov, Danny"]
[Black "Li, Ben"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2498"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,66,32,46,40,35,14,13,13,61,57,51,15,37,20,20,20,20,20,20,20,21,0,0,0,0,0,11,10,7,0,0,0,0,-2,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. e3 Rb8 10. Qe2 b5 {E04: Open Catalan: 5 Nf3} 11. b3 cxb3 12. axb3 Rb6 13. Bb2 {[%cal Bc1b2,Bb2c3,Bc3a5][%mdl 32]} a6 {LiveBook: 7 Games} 14. Rc1 {[%mdl 1024] White has compensation.} Be7 15. Nd2 $146 ({Predecessor:} 15. Qc2 Nd5 16. e4 Ndb4 17. Qd2 O-O 18. Bh3 {1-0 (37) Kolosowski,M (2469)-Norri,J (2353) Finland 2015}) 15... O-O 16. Nf3 Qc8 17. Ne1 Nb4 18. Bc3 Rd8 19. Nd3 Nfd5 {The position is equal.} 20. Bxd5 Nxd3 21. Qxd3 exd5 22. Ba5 Rb7 23. Rc6 Rd6 24. Rac1 {[%cal Rc6c7]} Rxc6 25. Rxc6 Qd7 26. Rxa6 {[#] aiming for Ra8+.} g6 27. Ra8+ Kg7 28. e4 c6 29. exd5 (29. Bc3 {feels hotter.} Rc7 30. e5 Ra7 31. Rxa7 Qxa7 32. Bd2) 29... cxd5 30. Bd2 Ra7 31. Rxa7 Qxa7 32. Qxb5 Qxd4 33. Qe2 h5 {Precision: White = 55%, Black = 59%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Reshef, Omer"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2497"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,97,-14,-23,0,-6,-13,-20,-22,-20,-13,-35,0,-18,0,0,8,11,21,18,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,6,7,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12840]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 Bd6 11. Nd2 Ne7 12. Rfb1 {C68: Ruy Lopez: Exchange Variation, sidelines} c5 (12... Ng6 13. Kf1 c5 14. Nc4 Be7 15. a3 a5 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 cxb4 19. Ra8+ Bd8 20. Na5 b6 {½-½ (40) Solak,D (2641)-Ding,L (2783) Khanty-Mansiysk 2017}) 13. Nc4 Nc6 14. c3 a5 15. a4 {LiveBook: 5 Games} f5 16. exf5 O-O 17. Kf1 Rxf5 18. Ke2 Raf8 19. Nd2 {[#]} b6 $146 ({Predecessor:} 19... Nd8) 20. Rg1 {The position is equal.} Kh7 21. Rg2 Be7 22. Rag1 R8f7 23. Ne4 Nd8 $1 24. Rg6 Rxf3 25. Rxg7+ Rxg7 26. Rxg7+ Kxg7 27. Kxf3 $11 {[%mdl 4096] Endgame KBN-KBN} Kg6 $1 28. Ng3 h4 29. Nf1 Kf5 $1 30. Bd2 Bg5 31. Ne3+ Kg6 32. Kg4 Nf7 {[#] ( -> ...e4!)} 33. Nc4 Nh6+ 34. Kf3 Bxd2 35. Nxd2 {KN-KN} Kf5 $1 36. Nc4 Nf7 37. Ne3+ Kg5 $1 38. Nd5 Kf5 39. Nxc7 Ng5+ 40. Kg2 e4 41. d4 cxd4 42. cxd4 Nf3 $1 43. Nd5 Ne1+ 44. Kf1 Nd3 45. Nxb6 {[#] Hoping for Nc4.} Nxb2 46. d5 {Threatens to win with d6.} Ke5 {next ...Kd6 is good for Black.} 47. Ke2 Kd6 {White must now prevent ...Kc7.} 48. Ke3 {aiming for Kd4.} Kc5 (48... Kc7 $5 49. Na8+ $8 Kb7 $15) 49. Kxe4 $2 {[%mdl 40960] Precision: White = 57%, Black = 80%. . An unexpected result.} (49. Nd7+ $11 Kxd5 50. Nf6+ Kc4 51. Nxe4) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Drozdowski, Kacper"]
[Black "Vorontsov, Pavlo"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2489"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,79,15,12,12,20,13,7,7,7,9,13,0,6,7,12,22,18,7,0,7,7,8,7,8,8,12,10,14,16,16,16,27,27,28,24,25,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. d4 O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bf4 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} c5 10. Be5 Bxe5 11. Nxe5 Bxg2 12. Kxg2 {LiveBook: 4 Games} cxd4 $146 ({Predecessor:} 12... d6 13. Nf3 cxd4 14. Qxd4 Nd7 15. Rad1 Rc8 16. b3 Rc5 {1-0 (49) Gunina,V (2530)-Edouard,R (2659) Cap d'Agde 2014}) 13. Qxd4 {[#] Threatens to win with Ng4.} Nc6 14. Qe4 Nxe5 15. Qxe5 Rc8 16. b3 Rc5 17. Qd4 Qc7 18. Rfd1 d6 19. Qe4 Rc8 20. Rd5 Rxd5 21. Qxd5 $11 {[%mdl 4096] Endgame KQR-KQR} Qd7 22. Rd1 Rc5 23. Qe4 Ra5 24. Rd2 Qe6 (24... f6 {is more complex.} 25. a4 Re5 26. Qf3 Kf7 27. Rd4 Qe6) 25. Qxe6 fxe6 {KR-KR} 26. Kf3 Ra3 27. Ke4 Kf7 28. Kd4 h6 29. e4 Ra5 {The position is equal.} 30. f4 e5+ 31. fxe5 Rxe5 32. Rf2+ Ke8 33. b4 Rh5 34. a3 Rg5 35. Ke3 Rh5 36. Rd2 Kd7 37. Kf4 e6 38. h4 Ke7 39. Kf3 Kd7 40. Kf4 {Precision: White = 70%, Black = 83%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Patel, Advait"]
[Black "Kovalyov, Anton"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2475"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,40,10,4,9,9,3,0,7,0,6,0,0,0,0,0,0,0,24]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 {B92: Sicilian Najdorf: 6 Be2} 9. Bxf6 Bxf6 10. O-O Be7 11. Nd5 Nd7 12. Bc4 Rc8 13. Qe2 {LiveBook: 4 Games. The position is equal.} Nb6 14. Nxb6 Qxb6 15. Bb3 O-O {[#]} 16. Rad1 $146 ({Predecessor:} 16. Rfd1) 16... a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 17. Rd3 {[#]} a4 $1 {[%mdl 512]} 18. Bxe6 (18. Bxa4 Bc4) 18... fxe6 19. c3 Qb5 20. a3 Rc6 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Nakar, Eylon"]
[Black "Wang, Jason"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2461"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,73,4,-14,-12,-16,-4,-64,-66,-73,-61,-79,-35,-50,-47,-36,-53,-51,-50,-48,-48,-64,-28,-102,-86,-69,-74,-83,0,-14,0,0,0,-10,-14,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {B41: Sicilian: Kan Variation: 5 c4} O-O (7... Qc7 8. Nc2 Bc5 9. Be2 O-O 10. O-O Nc6 11. Kh1 d6 12. f4 Bd7 13. a3 Rad8 14. b4 Ba7 {½-½ (115) Karjakin,S (2782)-Caruana,F (2816) Paris 2018}) 8. Be2 d6 9. O-O Nbd7 10. f3 {LiveBook: 4 Games} Ne5 11. Qd1 Qc7 12. Qb3 (12. Bg5 $11) 12... Bc5 $15 13. Be3 {[#]} Nc6 $1 {[%cal Rc6d4]} 14. Qd1 $1 d5 $146 ({Predecessor:} 14... Qb6) 15. Kh1 {Hoping for Nxe6!} dxe4 16. Nxe6 $1 Bxe6 17. Bxc5 Rfd8 18. Qb3 {[#] Threatens to win with Bb6.} b5 $1 {[%mdl 512] And now ...Ne5 would win.} 19. fxe4 (19. cxb5 Bxb3) 19... Ne5 20. Qa3 (20. Bg1 $11 {remains equal.}) 20... Nxc4 21. Bxc4 Bxc4 22. Rfd1 Ng4 (22... Qc6 $17) 23. Bg1 $1 $11 {The position is equal.} Ne5 24. Nd5 Qb7 {[%cal Rc4d5]} 25. Qc5 {Strongly threatening Ne7+.} Nd3 26. Qb6 Bxd5 27. Rxd3 Rdb8 28. exd5 Qxb6 29. Bxb6 Rxb6 {[%mdl 4096] Endgame KRR-KRR} 30. Rc1 Rd8 31. Kg1 Rbd6 32. Rc5 Kf8 33. Kf2 Re8 34. Re3 Red8 35. Rd3 Re8 36. Re3 Red8 37. Rd3 {Precision: White = 58%, Black = 62%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Javakhadze, Zurab"]
[Black "Preotu, Razvan"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2438"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,43,49,39,15,11,11,0,6,0,9,20,50,52,60,27,49,27,20,18,18,23,31,17,16,3,28,2,29,26,35,6]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 Bb7 6. Nc3 c5 7. dxc5 Bxc5 8. Bg5 {LiveBook: 40 Partien} Nc6 {E12: Damenindisch (Petrosjan-System und 4. oder 5.Lg5)} (8... Be7 9. Rd1 h6 10. Bh4 d6 11. Bg3 a6 12. e4 Nh5 13. Bxd6 Bxd6 14. e5 Bxf3 15. gxf3 Qg5 16. exd6 {½-½ (53) Thorgeirsson,S (2278)-Gretarsson,H (2547) Reykjavik 2017}) 9. e3 Rc8 10. Be2 Be7 {Die Stellung ist ausgeglichen.} 11. O-O Na5 $146 ({Vorgänger:} 11... O-O 12. Rfd1 a6 13. b4 d6 14. Rac1 Qc7 15. Qb2 Nb8 16. Nd4 {0-1 (42) Carvalho,L (1841)-Amorim,G (1954) Teresina 2016}) 12. Nd2 d5 13. Rfd1 Qc7 {[%cal Rd5c4]} 14. Nb5 (14. Bxf6 $5 Bxf6 15. cxd5 Bxd5 16. Ba6 $14) 14... Qb8 $1 15. Qa4 {[#] Und Sxa7+ würde nun gewinnen.} O-O 16. cxd5 Nxd5 17. Bxe7 Nxe7 18. Nf3 Nd5 19. Rac1 a6 20. Nbd4 Rxc1 21. Rxc1 {Droht stark b4.} Rc8 $1 {[%cal Rc8c1]} 22. Qd1 {Precision: Weiß = 50%, Schwarz = 51%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Ostrovskiy, Aleksandr"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2425"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,62,14,2,15,3,0,0,0,0,0,-63,-54,-47,-41,-79,-37,-102,-81,-115,-115,-129,-103,-115,-100,-85,-35,-191,-142,-386,-257,-422,-431,-382,-35,-35,-35,-74,-74,-77,-64,-81,107]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} f6 11. exf6 (11. Qc2 Bg4 12. Nbd2 Qb6 13. h3 fxe5 14. hxg4 Nxg4 15. Nc4 dxc4 16. Qxc4+ Kh8 17. Qe6 Rf5 {½-½ (64) Vidit,S (2707)-Gelfand,B (2695) Poikovsky 2018}) 11... exf6 12. h3 {LiveBook: 16 Games. The position is equal.} Nf5 13. b3 Re8 14. Rxe8+ Qxe8 15. Nc3 $146 ({Predecessor:} 15. Ba3 h5 16. Nc3 g5 17. Qd3 g4 {1-0 (54) Persson,M (2292)-Kristensen,K (2331) Antalya 2017}) 15... Bf8 16. Bf4 (16. Qd3 $11) 16... g5 $15 17. Bh2 h5 18. Qd3 Qg6 19. Nd2 (19. Na4 $15) 19... a5 20. Nf1 Ba6 $36 {[%mdl 2048] Black is on the roll.} 21. Qd2 Re8 22. Ne3 Kf7 23. Re1 Bc8 (23... Nxe3 {with more complications.} 24. Rxe3 Rxe3 25. Qxe3 Bb4 26. Bc7 Qd3) 24. a3 $2 {[#]} (24. Nxf5 $15 Rxe1+ 25. Qxe1 Qxf5 26. Qd1) 24... Bxa3 25. Ncxd5 $2 (25. Nxf5 $17 {is a better defense.} Rxe1+ 26. Qxe1 Qxf5 27. Qa1) 25... Nxe3 26. fxe3 $2 (26. Nxe3 Bb4 27. Qd1) 26... cxd5 $19 27. Qxa5 Qd3 $2 {[#]} (27... Be7 $19 28. Qxd5+ Be6) 28. Qxa3 $15 Rxe3 29. Qc1 Rxe1+ 30. Qxe1 Qxd4+ 31. Kh1 Bg4 $2 {Precision: White = 25%, Black = 48%.} (31... Qd3 $17 {stays on course.} 32. Bd6 Qe4 33. Qxe4 dxe4) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Rozman, Levy"]
[Black "Vivekananthan, Anish"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2421"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,124,14,34,18,44,22,21,8,10,5,15,17,22,13,16,8,24,10,55,18,11,17,18,-57,-48,-122,-106,-114,0,-8,47,49,44,50,53,47,77,9,9,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,-15,-15,-15,-15,0,0,0,-15,-15,-152,-152,-151,-150,-139,-137,-464,-406,-564,-533,-406,-406,-889,-873,-866,-866,-851,-826,-597,-406,-406,-406,-406,-406,-406,-406,-406,-406,-514,-469,-398,-406,-308,-152,-145,-130,-949,-130,-625,-81,-5435,-5431,-29990,-29991]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bf5 5. Bd3 Qd7 {LiveBook: 4 Games} (5... Bxd3 6. Qxd3 c6 7. Nd2 Nd7 8. Ne2 g6 9. c4 dxc4 10. Qxc4 Bg7 11. O-O O-O 12. b4 Nb6 13. Qc2 f5 14. Nb3 {½-½ (107) Harika,D (2511)-Tan,Z (2504) Huaian 2016}) 6. Nf3 {D00: 1 d4 d5: Unusual lines} Nc6 7. a3 Bd6 8. c4 $146 {The position is equal.} ({Predecessor:} 8. O-O Bg4 9. Nbd2 h5 10. c4 dxc4 11. Nxc4 O-O-O 12. Rc1 h4 13. h3 {1-0 (35) Coppola,C (2202)-Zoppolo,C (1605) Montevideo 2014}) 8... dxc4 9. Bxc4 O-O 10. O-O Rfe8 11. Nc3 a6 {[%cal Ba7a6,Ba6a5,Ba5b4][%mdl 32]} 12. Rc1 Rab8 13. Bd3 b5 14. b4 Bxd3 15. Qxd3 a5 16. d5 (16. Nxb5 $11 axb4 17. Nxd6 cxd6 18. Rb1) 16... axb4 $15 17. Nxb5 (17. Na2 $15) 17... Ne5 $17 18. Nxe5 Rxe5 (18... Qxb5 $17 19. a4 Qxa4) 19. f4 $132 {[%mdl 2048] White puts up resistance} Qxb5 (19... Ree8 $11 20. Rc6 bxa3) 20. Qxb5 $14 Rxb5 21. fxe5 Bxe5 22. axb4 $11 {[%mdl 4096] Endgame KRR-KRB} g6 23. Rfd1 (23. d6 $16 Bxd6 24. Rxf6) 23... Rxb4 24. Kf2 Bxh2 25. g3 Rg4 26. Rxc7 Bxg3+ 27. Kf3 Bxc7 28. Kxg4 {KR-KB} f5+ 29. Kf3 Bd6 30. Ra1 Kf8 31. Ra8+ Ke7 32. Ra7+ Ke8 33. Ra8+ Kd7 34. Ra7+ Bc7 35. Ra6 h5 36. Kg2 Bd6 37. Ra7+ Ke8 38. Ra8+ Kd7 39. Ra7+ Bc7 40. Ra6 Ke7 41. Kh3 (41. Ra7 $11 {keeps the balance.} Kd7 42. Rb7) 41... Bd6 $1 $17 42. Kg2 g5 $1 43. Ra8 Bc5 44. Kf3 $2 {[%mdl 8192]} (44. Rh8 $17 {is more resistant.}) 44... Kf6 45. Rh8 h4 $1 46. Ke2 Ke5 47. Rh7 (47. Rh6 $142 Bd6 48. Kd3) 47... f6 $1 $19 48. Rh6 Be7 49. Rh7 Bd6 50. Rh6 Kxd5 51. Rxf6 Ke5 52. Rh6 Be7 $1 53. Ra6 g4 54. Ra5+ Ke6 55. Kf2 h3 $1 56. Ra8 Bh4+ 57. Kg1 Kd5 (57... Ke7 $19 58. Ra6 Kf7) 58. Re8 Bg3 59. Kf1 $2 {[%mdl 8192] [#]} (59. Re7 $17) 59... Be5 $2 (59... Bh2 $1 $19 {and Black stays clearly on top. aiming for ...g3.} 60. Rh8 Ke4) 60. Re7 $2 {[%mdl 8192]} (60. Kg1 $17) 60... Ke4 $2 (60... Bh2 $19 {is more deadly. And now ...g3 would win.} 61. Rh7 Ke4) 61. Re8 $2 {[%mdl 8192] [#]} (61. Kg1 $17) 61... g3 $1 {( -> ...Kf3)} 62. Re7 Kf3 {Precision: White = 27%, Black = 57%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Stefanov, Emil"]
[Black "Noland, Shawn W"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2407"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,47,39,31,57,47,54,54,65,77,95,94,131,123,140,139,158,152,139,156,173,130,176,140,188,191,274,269,355,333,443,446,441,464,920,806,1083,1103,1058,928]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 {LiveBook: 5583 Games} Re8 {E90: King's Indian: Classical: Early deviations and 6 h3} (6... e5 7. d5 a5 8. Bg5 Na6 9. Be2 Qe8 10. g4 Nd7 11. a3 Nb6 12. b3 Bd7 13. Rg1 Kh8 14. Rb1 Nc5 15. Be3 f5 16. gxf5 gxf5 17. Qd2 Qe7 18. Bxc5 dxc5 {0-1 (81) Krasenkow,M (2671)-Amin,B (2693) Wijk aan Zee 2018}) 7. Be3 e5 {[#] And now ...exd4 would win.} 8. d5 c6 {White is slightly better.} 9. Be2 cxd5 10. cxd5 Qa5 $146 ({Predecessor:} 10... a6 11. a4 Nbd7 12. O-O Nc5 13. Qc2 b6 14. b4 Ncxe4 15. Nxe4 Nxd5 {1-0 (29) Noble,J-Santos Etxepare,A LSS email 2007}) 11. Nd2 Na6 12. O-O Nc5 13. a3 Qd8 14. b4 Ncd7 15. Nc4 Bf8 16. Na5 Nb8 17. Rc1 h6 (17... a6 {was worth a try.} 18. g4 h6) 18. Nb5 $18 Na6 19. Nxa7 Rxa7 20. Bxa7 {White is clearly winning.} Nxe4 21. Bb5 Qg5 (21... Bd7 $142 22. Nxb7 Qe7) 22. Be3 Qh4 23. Bxe8 Bxh3 24. Qf3 {Precision: White = 80%, Black = 13%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Chua, Alexander"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2332"]
[BlackElo "1896"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,74,10,71,0,0,-47,31,24,45,43,93,83,91,54,91,87,77,69,50,39,46,45,53,17,18,0,0,0,41,39,39,0,65,70,71,59,64,61,61,68,68,64,124,106,110,93,165,65,282,246,249,227,308]} 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. g3 e5 5. Bg2 g6 6. Nc3 Bg7 7. O-O O-O 8. e4 exd4 9. Nxd4 Re8 10. h3 Nc5 11. Re1 a5 12. Ndb5 Be6 {LiveBook: 17 Games} (12... Nfd7 $11 {remains equal.}) 13. Bf1 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} ({White should play} 13. e5 $16 dxe5 14. Qxd8 Raxd8 15. Nxc7) (13. b3 Nfd7 14. Be3 Ne5 15. Re2 a4 16. Rb1 axb3 17. axb3 Na6 18. Rd2 Qe7 19. Nd5 Bxd5 20. cxd5 Nd7 {½-½ (45) Gagunashvili,M (2562)-Jobava,B (2616) Dubai 2004}) 13... Bd7 $146 {[%cal Rf6e4]} ({Predecessor:} 13... Qd7 14. g4 h5 15. g5 Nh7 16. Be3 Na6 17. Kh2 Qe7 18. h4 c6 19. Nd4 Bd7 20. Bg2 Nc5 {1-0 (46) Say,F-Jezierska,I (2085) Los Angeles 1995}) 14. f3 h6 (14... Bxb5 $15 15. cxb5 Nh5) 15. Be3 $14 {White is slightly better.} b6 16. Qd2 Kh7 17. Rad1 Bc6 18. Bf2 Nfd7 {[%cal Bf6d7,Bd7e5,Be5c6][%mdl 32]} 19. b3 Ne5 20. Nd4 {And now f4 would win.} Bb7 21. Re3 Nc6 22. Ndb5 Na7 23. Kh2 h5 24. Ree1 Nxb5 25. Nxb5 Qd7 26. h4 Qe7 27. Bd4 Ne6 (27... Be5 $11 28. Bh3 Rad8) 28. Bxg7 Kxg7 29. Nc3 $36 {[%mdl 2048] White is more active.} Qf6 30. Nd5 Bxd5 31. cxd5 Nc5 32. Re3 g5 (32... Kg8 $14) 33. hxg5 $16 Qxg5 34. Bh3 Kh8 (34... Qh6 $16 {was worth a try.}) 35. Qd4+ (35. Qe2 $18) 35... f6 $2 {[#]} (35... Qe5 $14) 36. f4 Qg7 37. Rh1 Re7 {Precision: White = 40%, Black = 42%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Guo, Arthur"]
[Black "Huang, Max"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2283"]
[BlackElo "1805"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,27,25,25,35,34,27,13,49,37,78,72,77,66,108,106,137,129,143,144,171,121,327,339,395,387,414,414,425,406,415,402,785,802,793,743,752,747,994,973,1106,1073,1050,1033,1299,980,1391,1371,1920,1906]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. O-O d6 8. Qg4 g6 {B42: Sicilian: Kan Variation: 5 Bd3} 9. Qe2 Nd7 10. a4 b6 11. Nc3 (11. Na3 Ngf6 12. Bh6 Bf8 13. Bxf8 Kxf8 14. Nc4 Qc7 15. f4 d5 16. exd5 Nxd5 {1-0 (32) Leko,P (2691)-Svidler,P (2765) Riadh 2017}) 11... Bb7 12. Kh1 Qc7 {LiveBook: 7 Games} 13. Bd2 Ngf6 14. Bh6 Bf8 15. Qd2 {[#]} Ne5 $146 ({Predecessor:} 15... Bxh6 16. Qxh6 {½-½ (36) Marti Pericot,J (2498)-Banet,J (2504) ICCF email 2012}) 16. f3 Qe7 17. Rad1 Bxh6 18. Qxh6 Nh5 19. Kg1 Rc8 20. Be2 f6 21. Qe3 Nd7 22. Rd3 e5 $2 {[#]} (22... O-O $16 {was called for.}) 23. Rfd1 $18 Rc6 24. Nd5 Qe6 25. Nb4 Nf4 26. R3d2 {[%cal Bd3d2,Bd2d6,Bd6c6,Bc6c7][%mdl 32]} ({Not} 26. Nxc6 Nxd3 27. Qxd3 Bxc6 $18) 26... Nxe2+ 27. Qxe2 Rxc2 (27... Rc7 $142 28. Rxd6 Qf7 29. Nxa6 Bxa6 30. Qxa6 O-O) 28. Nxc2 {[%cal Bb4c2,Bc2e3,Be3d5,Bd5b6][%mdl 32] White is clearly winning.} Qxb3 29. Rxd6 Bc8 30. Ne3 Ke7 31. Rc6 Qxa4 32. Nd5+ Kf7 33. Rc7 Ke6 34. Rdc1 Qd4+ 35. Kh1 Nc5 36. Nxb6 {Precision: White = 91%, Black = 24%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Yim, Sung Ho"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2271"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,47,19,16,24,20,22,20,18,27,21,6,9,9,5,14,15,16,19,19,15,17,24,19,13,15,18,0,0,-1,0,-10,-6,-6]} 1. Nf3 d5 2. e3 {[%cal Be2e3,Be3e4][%mdl 32]} Nf6 3. c4 g6 (3... c6 4. d4 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 Be7 10. O-O-O dxc4 11. Bxc4 a6 12. Be2 Nbd7 13. Nxg6 hxg6 14. Kb1 c5 15. d5 exd5 16. Nxd5 Nxd5 17. Qxd5 {0-1 (31) Karjakin,S (2773)-Caruana,F (2822) Saint Louis 2018}) 4. cxd5 Nxd5 5. d4 Bg7 6. e4 {A06: Réti Opening:1 Nf3 d5} Nb6 7. Bb5+ c6 8. Be2 Bg4 9. Nbd2 {LiveBook: 3 Games} O-O 10. O-O $146 ({Predecessor:} 10. h3 Be6 11. Nb3 N8d7 12. O-O Qc7 {½-½ (40) Ricci,A (1898)-Rinaudo,S (2116) Porto San Giorgio 2012}) 10... e5 11. dxe5 N8d7 12. h3 Bxf3 $1 13. Nxf3 Nxe5 14. Qc2 Nxf3+ 15. Bxf3 Qd4 16. Rb1 Qc4 17. Qxc4 Nxc4 18. b3 Nd6 19. Rd1 Nb5 {Hoping for ...Nc3.The position is equal.} 20. Rd7 b6 21. Bb2 Rfd8 22. Rxd8+ Rxd8 23. a4 Nd4 24. Bxd4 {Precision: White = 84%, Black = 85%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Shen, Christopher"]
[Black "Polavaram, Rithik"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2254"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,66,0,0,20,-12,-12,-64,-57,-62,-68,-78,-86,-78,-77,-85,-85,-87,-76,-73,52,-66,-2,-2,-2,0,-6,-6,-4,-23,0,0,0,-7,0,-1,0,0,10,10,94,84,107,93,29998,29999,29999]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 {E05: Open Catalan: 5 Nf3 Be7} Bc6 10. Bg5 b5 11. Bxf6 Bxf6 12. Nbd2 {LiveBook: 6 Games} (12. Nc3 Qe8 13. e4 g6 14. h4 Nd7 15. axb5 axb5 16. Rxa8 Qxa8 {½-½ (26) Mamedyarov,S (2808)-So,W (2778) Stavanger 2018}) 12... Bb7 13. Ne4 $146 (13. Ng5 {keeps more tension.} Bxg5 14. Bxb7 Ra7 15. Be4 c6 16. e3) ({Predecessor:} 13. Ng5 Bxg5 14. Bxb7 Ra7 15. Be4 f5 16. Bf3 Bxd2 17. Rxd2 {½-½ (57) Lorparizangeneh,S (2484)-Tahbaz,A (2456) Ahvaz 2018}) 13... Nd7 {[#]} 14. Ne5 ({Better is} 14. Nfg5 $1 $11 {[%mdl 512]} Bxg5 15. Nxg5 Qxg5 16. Bxb7) 14... Bxe5 $15 15. dxe5 {Strongly threatening Nf6+!} Bd5 16. axb5 axb5 17. Rxa8 Qxa8 ({Not} 17... Bxa8 18. Nc5 $1 $16 {[%mdl 512]}) 18. Ng5 {[%csl Gg5][%cal Rc2h7]} g6 19. Bxd5 exd5 20. e6 f6 (20... fxe6 $17 21. Nxe6 Rf7) 21. Ne4 (21. exd7 $14 fxg5 {[#]} 22. e4 $1 {[%mdl 512]}) 21... dxe4 (21... f5 $15 22. exd7 fxe4) 22. Rxd7 {[%mdl 4096] Endgame KQR-KQR} Qc6 {Threatening ...e3.} 23. Qd2 $1 {[%cal Rd2h6]} Qxe6 {next ...e3! is good for Black.} 24. Rxc7 Rf7 25. Qd8+ Rf8 26. Qd4 Rf7 27. Rc5 Rd7 28. Rc8+ Kg7 29. Qc5 {[%csl Gc8][%cal Rc5f8]} Qd6 {White must now prevent ...Qxc5.} 30. Qxb5 Qd1+ (30... Rc7 $11 {remains equal.} 31. Rxc7+ Qxc7) 31. Kg2 $16 e3 32. Qxc4 {White threatens Rg8+ and mate.} exf2 $2 {[%mdl 8192]} (32... Qd5+ $16 33. Qxd5 Rxd5) 33. Rg8+ Kh6 34. Qh4# {Precision: White = 56%, Black = 20%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Nguyen, Emily"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2194"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,16,-4,17,0,12,0,0,0,0,0,0,0,27,0,32,37,33,43,45,34,37,24,38,29,37,28,59,59,52,27,32,31,45,16,15,-6,46,34,46,44,66,70,68,68,66,73,98,63,84,56,52,52,82,0,0,0,98,0,177,187,199,199,199,199,199,181,176,193,193,193,193,193,191,192,186,173,177,167,151,141,128,126,155,150,188,176,187,168,165,164,181,175,184,147,156,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. O-O O-O 8. Bf4 {LiveBook: 69 Games} c6 $146 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} ({Predecessor:} 8... Re8 9. Nc3 Ne4 10. Qc2 Nxc3 11. Qxc3 d6 12. Rfe1 f5 13. Rad1 Nd7 14. h4 h6 15. Qc1 Bf6 16. Bd2 {1-0 (61) Short,N (2678)-Ivanchuk,V (2726) Riadh 2017}) 9. Re1 d5 10. Qc2 Na6 11. Nbd2 c5 12. Rad1 cxd4 13. Nxd4 Qc8 14. e4 dxe4 (14... Bc5 {looks sharper.} 15. Be3 Nxe4 16. Nxe4 dxe4 17. Bxe4 Nb4) 15. Nxe4 Nc5 {aiming for ...Bxe4.} 16. Nd6 Bxd6 $1 17. Bxd6 Bxg2 18. Kxg2 Rd8 19. Bf4 Qb7+ 20. f3 a5 21. Nb5 h6 22. Bc7 Rd7 23. Rxd7 Ncxd7 24. Qd2 Qc6 25. Rc1 Ne8 (25... e5 $11) 26. Bf4 $1 $14 Nf8 27. Qd4 Ng6 28. Be3 Rb8 29. b3 Nf6 30. Rd1 Qb7 31. Nd6 Qe7 32. Ne4 Nxe4 33. Qxe4 a4 34. bxa4 (34. Qc6 $16) 34... Qa3 $11 35. Rd2 Rc8 (35... Qxa4 $11 {keeps the balance.} 36. Rc2 Qb4) 36. Qb7 ({White should try} 36. Rc2 $16 {Strongly threatening c5!} Qxa4 37. Bxb6) 36... Re8 $2 (36... Qxe3 $11 {and Black stays safe.} 37. Qxc8+ Kh7) 37. Qxb6 $18 Ne5 38. Qb3 $1 {[%cal Rb3a3]} Nxc4 39. Qxa3 ({Don't take} 39. Qxc4 $6 Qxe3 40. Qc1 Qa7 $14) 39... Nxa3 {[%mdl 4096] Endgame KRB-KRN} 40. Bb6 Nc4 41. Rd8 Rxd8 42. Bxd8 {KB-KN} Kf8 43. a5 Ke8 44. Bb6 Kd7 45. Kf2 Kc6 46. Ke2 Kb5 47. Kd3 Ne5+ 48. Ke4 Nc6 49. f4 g6 {[#]} 50. Bc7 $1 h5 51. Kd3 Nb4+ 52. Kd4 Nc6+ 53. Kc3 Ne7 {Hoping for ...Nd5+.} 54. a4+ Ka6 {[#]} 55. Kc4 $2 (55. Bd8 $1 $16 {[%cal Rd8e7]} Nc6 56. Bc7) 55... Nd5 $11 {The position is equal.} 56. Bb6 h4 $1 57. Kd4 hxg3 58. hxg3 {Threatens to win with Ke5.} Nxf4 59. gxf4 {Ke5 is the strong threat.} f6 60. Ke4 {Precision: White = 64%, Black = 62%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Kung, Thomas"]
[Black "Wheeler, Cameron"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2132"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,42,56,47,112,114,131,153,140,138,142,88,121,55,63,50,69,53,70,66,141,127,121,116,110,118,143,124,126,130,242,238,249]} 1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e6 5. a4 (5. O-O c5 6. c3 Nf6 7. Re1 Be7 8. a4 cxd4 9. cxd4 Nc6 10. Nc3 Nb4 11. Bf1 bxa4 12. Qxa4 O-O 13. Bg5 Bc6 14. Qa5 Nc2 15. Qxd8 Rfxd8 16. d5 Bb7 17. Rac1 Nxe1 18. Rxe1 h6 19. Bh4 Bb4 {0-1 (19) Miroshnichenko,E (2606)-Carlsen,M (2834) chess.com INT 2018}) 5... b4 6. c3 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} c5 7. O-O {LiveBook: 3 Games} h6 $146 (7... d5 $14 8. exd5 Qxd5) ({Predecessor:} 7... Be7 8. Nbd2 bxc3 9. bxc3 cxd4 10. cxd4 Nc6 11. Re1 {1-0 (55) Petkov,V (2475)-Nanu,C (2434) Ortigueira 2005}) 8. Nbd2 $16 {White is better.} bxc3 9. bxc3 {[%cal Bb2c3,Bc3d4][%mdl 32]} cxd4 10. cxd4 {And now Qb3 would win.} Nc6 11. Re1 Nf6 12. Bf1 (12. d5 $16 Nb4 13. Bf1) 12... d5 $14 13. Rb1 Rb8 14. Rxb7 Rxb7 15. Bxa6 Qb6 {[#]} ({Better is} 15... Qc7 $1 $14) 16. Bb5 $1 $16 Kd8 17. exd5 exd5 18. Nb3 {aiming for Ne5.} Bb4 19. Bd2 Bxd2 20. Qxd2 {Threatens to win with Bxc6.} Rc7 {[#]} (20... Ne4 $16 {was called for.} 21. Qf4 Na7) 21. Ne5 $1 $18 {[%cal Re5c6][%mdl 1024] White has strong compensation.} Ne4 {Precision: White = 76%, Black = 34%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Gutman, Joshua"]
[Black "Lin, Andy"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2031"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,150,24,16,20,11,43,-63,-51,-75,-66,-71,-73,-73,-81,-71,-75,-67,-19,-33,-30,-39,11,-38,-30,-37,-38,-54,-50,-61,-62,-95,-47,-47,-32,-77,-60,-83,-70,-104,-87,-89,-109,-121,-137,-131,-118,-104,-105,-160,-133,-134,-122,-147,-104,-158,-150,-184,-166,-153,-157,-197,-194,-248,-161,-192,-198,-222,-169,-251,-118,-129,-117,-132,-133,-152,-64,-212,-213,-211,-205,-194,-114,-164,-145,-141,-131,-138,-142,-178,-91,-101,-90,-230,-217,-212,-230,-216,-117,-139,-125,-114,-105,-168,-130,-426,-203,-264,-48,-177,-93,-200,-108,-108,-96,-126,-104,-108,-111,-190,-163,-382,-358,-518,-483,-559,-529,-658,-630,-6490,-6270,-5065,-2347,-29980,-29981,-29979,-29972]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Qc2 dxc4 5. Qxc4 Nf6 6. g3 b5 7. Qc2 Bb7 8. Bg2 Nbd7 9. Ne5 {LiveBook: 94 Games} Nd5 {[%cal Bf6d5,Bd5b4,Bb4d3][%mdl 32] D30: Queen's Gambit Declined: Systems without Nc3} (9... Nxe5 10. dxe5 Nd5 11. Nc3 Be7 12. O-O O-O 13. Rd1 Qb8 14. f4 a5 15. Nxd5 cxd5 16. Be3 Rc8 17. Qd2 {½-½ (45) Delorme,A (2518)-Hammer,J (2628) Helsingor 2017}) 10. O-O Rc8 11. e4 ({Better is} 11. Nxd7 $14 Qxd7 12. Rd1) 11... Nb4 $146 {Black is slightly better.} ({Predecessor:} 11... N5f6 12. Qe2 Be7 13. a3 Nxe5 14. dxe5 Nd7 15. f4 Qb6+ 16. Kh1 c5 17. Be3 {0-1 (41) Pavlidou,E (2175)-Makka,E (2082) Vrachati 2014}) 12. Qe2 Nxe5 13. dxe5 Qd3 $1 {[%cal Rd3e2]} 14. Nc3 Qxe2 15. Nxe2 Nd3 16. Rd1 Nxe5 17. Bf4 Ng6 18. Be3 a6 19. f4 c5 20. Rac1 Be7 21. h4 Nf8 22. Rd2 Nd7 23. Nc3 Nb6 24. b3 O-O 25. Rcd1 Rc7 26. Kf2 Rfc8 27. Ne2 Kf8 28. h5 Ke8 29. Rc2 Nd7 30. e5 Bxg2 31. Kxg2 f6 32. h6 (32. Bd2 $142) 32... g6 33. exf6 Nxf6 34. Kf3 Bf8 35. Rdc1 (35. Rcc1 $142) 35... Nd5 $17 ({Don't take} 35... Bxh6 36. Rxc5 Rxc5 37. Rxc5 $17) 36. Bf2 Nb4 37. Rd2 Bxh6 38. Nc3 Bf8 {...c4 is the strong threat.} 39. a3 (39. Rcd1 $142) 39... Nc6 40. Ne4 Na5 41. Rc3 Be7 42. Rdc2 (42. Rd6 {is a better defense.}) 42... Nb7 (42... c4 $19 43. b4 Nc6) 43. Bd4 Rc6 44. Be5 c4 45. b4 a5 (45... h5 $17 46. g4 Nd6 47. gxh5 gxh5) 46. Nf6+ (46. bxa5 $15 Nxa5 47. Rh2) 46... Bxf6 $1 $19 47. Bxf6 axb4 48. axb4 R6c7 (48... Kf7 $19 49. Be5 Ra6) 49. g4 Nd8 50. Re3 Kf7 51. Bc3 Rd7 52. Ke4 Nc6 (52... Ra8 $19 {Strongly threatening ...Nc6.} 53. Rh3 Kg8) 53. Rh3 $17 Kg8 {Threatens to win with ...Ra8.} 54. Rch2 (54. Ra2 $17) 54... Rf8 $19 55. Rh6 Nd8 56. R6h3 Rff7 ({Black should try} 56... Nf7 $19 57. Rd2 Rxd2 58. Bxd2 Rd8) 57. Ra2 $17 Ra7 58. Rxa7 Rxa7 {[%mdl 4096] Endgame KRB-KRN} 59. Ke5 (59. Kd4 $17) 59... Rd7 $19 60. Kf6 $2 {[%mdl 8192]} (60. g5 $17) 60... Kf8 (60... Rd3 $142 61. Rxd3 cxd3) 61. Ke5 {[#]} Rf7 $2 (61... h5 $1 $19 62. gxh5 Rd5+ 63. Kf6 Rxh5) 62. Rh2 (62. Kd6 $1 $15) 62... Ke8 (62... Ke7 $1 $19 63. Ke4 Nc6) 63. Rf2 (63. Kd6 $17) 63... h5 (63... Kd7 $19 64. Ke4 Nc6) 64. gxh5 $17 Rf5+ (64... gxh5 $2 65. Rh2 $19) 65. Kd6 {[#]} Rd5+ $1 66. Kc7 gxh5 {[%cal Bg6h5,Bh5h4,Bh4h3][%mdl 32]} 67. Rg2 (67. Rh2 $17 {was called for.}) 67... Nf7 $19 68. Bf6 $2 (68. Rg6) 68... Nd6 69. Be5 (69. Rh2 $142) 69... Nf5 70. Rg8+ Kf7 71. Rh8 h4 {And now ...Rxe5! would win.} 72. Kc6 {[#]} Rxe5 $1 73. fxe5 {[#]} c3 $1 {[%cal Bc4c3,Bc3c2][%mdl 32]} 74. Kxb5 c2 75. Rc8 h3 {Precision: White = 20%, Black = 53%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Dejmek, Mark"]
[Black "Checa, Nicolas"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1998"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,22,20,-64,-64,-69,-69,-74,-76,-78,-84,-78,-69,-69,-70,-79,-60,-96,-97,-99,-99,-91,-101,-106,-100,-108,-104,-122,-115,-120,-124,-130,-129,-140,-115,-161,-148,-232,-230,-227,-213,-218,-199,-234,-189,-188,-175,-191,-182,-241,-230,-235,-220,-327,-315,-312,-319,-306,-254,-282,-269,-480,-480,-485,-498,-29955,-29956,-8997,-8191,-29986]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. Nxf6+ Bxf6 8. Be3 {C15: Französische Verteidigung (Nimzowitsch-Variante)} O-O {LiveBook: 21 Partien} 9. Ng3 (9. Qd3 $11) (9. Qd2 b6 10. O-O-O Bb7 11. h4 Nd7 12. Nf4 Be7 13. h5 Nf6 14. f3 Qc8 15. Qf2 Rd8 {0-1 (33) Jobava,B (2703)-Ivanchuk,V (2757) Leuven 2017}) 9... c5 $1 $15 10. c3 {Schwarz steht etwas besser.} cxd4 11. Bxd4 Bxd4 12. Qxd4 Qxd4 13. cxd4 Nc6 14. O-O-O $146 ({Vorgänger:} 14. Rd1 Rd8 15. Ne2 b6 {0-1 (34) Nazarenko,D-Nikitin,A (2418) Tomsk 1999}) 14... Rd8 15. Ne2 b6 16. g3 Bb7 $36 {[%mdl 2048] [#] zielt auf ...Tac8 ab. Weiss steht unter starkem Druck.} 17. Bg2 Nxd4 18. Bxb7 Nxe2+ 19. Kb1 Rab8 20. Ba6 Nd4 21. Rc1 Rd7 22. Bc8 Rd6 23. Rhd1 g5 24. f4 h6 25. Ba6 Rbd8 26. Rc8 (26. Rc7 $17 {ist wohl besser.}) 26... Rxc8 $19 27. Bxc8 {[%mdl 4096] Endspiel KTL-KTS} Kg7 28. Bb7 Kf6 29. Be4 Ke7 30. Rd2 f5 31. Bg2 a5 32. h4 (32. Ba8 {war angesagt.}) 32... gxf4 33. gxf4 Kf6 34. b4 (34. Bb7 $142) 34... axb4 35. axb4 e5 36. fxe5+ Kxe5 37. Kb2 f4 {[%cal Bf5f4,Bf4f3][%mdl 32]} 38. Bf1 $2 (38. Rd3 {war die einzige Verteidigung.}) 38... f3 39. Rd1 Nf5 40. Rxd6 {[#]} (40. Rc1 $19 Nxh4 41. Ba6) 40... Kxd6 41. Kc3 Ng3 42. Kd4 {Precision: Weiß = 33%, Schwarz = 95%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Free, Graham"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1926"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,64,16,26,135,131,138,139,131,145,148,89,109,95,116,122,152,115,105,104,107,0,123,114,93,106,112,104,99,109,104,91,84,97,83,10,0,10,39,-24,0,0,28,-341,-322,-564,-556,-557,-561,-508,-512,-510,-481]} 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 Nc6 5. Nd2 d5 6. Ngf3 Nh5 7. Bg5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Qb6 (7... Qc7 8. Ne5 g6 9. Nxc6 bxc6 10. Be2 Rb8 11. Rb1 h6 12. Bh4 g5 13. Bxh5 gxh4 14. O-O Bd6 {1-0 (53) Harikrishna,P (2732)-Navara,D (2727) Prague 2018}) 8. dxc5 {LiveBook: 4 Games} Qxb2 (8... Qxc5 $11 {keeps the balance.} 9. Nb3 Qd6) 9. Nd4 $16 {White is clearly better.} h6 $146 ({Predecessor:} 9... Nxd4 10. cxd4 Nf6 11. Rb1 Qxa2 12. Bxf6 gxf6 13. Bb5+ Kd8 14. Ra1 Qb2 15. Qa4 e5 16. O-O Qxd2 17. Rfd1 Qc3 18. Rac1 Qb2 19. Rb1 Qc3 20. Rd3 exd4 21. exd4 {1-0 (21) Paehtz,E (2474)-Banusz,T (2616) Minsk 2017}) 10. Rb1 Qxc3 11. Qxh5 {And now Nb5 would win.} Bxc5 {[#]} 12. N4b3 (12. Nxc6 $142 $1 bxc6 13. Bf4) 12... Bb4 ({Wrong is} 12... g6 $2 13. Qf3 $18) 13. Bh4 Qc2 {Threatens to win with ...Qxb1+.} 14. Qd1 Qxa2 15. Be2 a5 16. Ra1 Qb2 {[#]} 17. Rb1 (17. O-O $1 $16) 17... Qe5 (17... Qa2 $1 $11) 18. O-O O-O 19. Nf3 Qd6 20. Nbd4 e5 21. Nb5 Qd7 22. Qa4 {aiming for Nxe5!} f6 23. Rfd1 Qf7 24. Na3 (24. Ne1 $16) 24... Bf5 $11 25. Rbc1 Rfd8 26. Nd2 (26. Nb5 $14) 26... Be6 27. Nb5 d4 {[%cal Bd5d4,Bd4e3][%mdl 32]} 28. Bc4 $2 {[%mdl 8192]} (28. Nc4 $1 $11) 28... dxe3 $19 29. Qa2 $2 (29. fxe3 {was worth a try.} Bxd2 30. Rxd2 Rxd2 31. Bxe6 Qxe6 32. Nc7) 29... Rxd2 {Black is clearly winning.} 30. Bxe6 Rxa2 31. Bxf7+ Kxf7 32. fxe3 Ke7 {Precision: White = 43%, Black = 57%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "3"]
[White "Sanchez, Robert"]
[Black "Easton, Jack"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1834"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,59,26,40,34,44,13,29,10,71,47,38,32,267,264,297,289,292,255,254,252,256,256,258,257,257,256,272,245,294,280,285,285,324,253,330,325,329,326,320,313,294,294,491,485]} 1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 Nc6 6. Bc4 {[%cal Bf1c4,Bc4b3,Bb3c2][%mdl 32]} Nb6 7. Bb3 e6 8. cxd4 d6 9. Qe2 Be7 {LiveBook: 11 Partien. B22: Sizilianisch (Alapin 2.c3)} 10. Nc3 O-O 11. Bc2 $146 ({Vorgänger:} 11. O-O a6 12. a3 Qc7 13. Bf4 d5 14. Qd3 f5 15. exf6 Qxf4 16. fxe7 Nxe7 17. Rae1 Ng6 18. Ne5 Nxe5 19. Rxe5 {1-0 (39) Kharchenko,B (2476)-Potyavin,I (2053) St Petersburg 2012}) 11... dxe5 {Die Stellung ist ausgeglichen.} 12. dxe5 Nd4 (12... Nb4 $11 {bleibt in der Remisbreite.}) 13. Nxd4 $16 Qxd4 14. O-O $40 {[%mdl 128] Weiss startet einen Angriff.} Bd7 $2 {[#]} (14... g6 $14) 15. Rd1 $18 Qc5 16. Be3 Qxe5 17. Bxb6 Qxe2 18. Nxe2 Bb5 19. Nd4 axb6 20. Nxb5 Bf6 21. Nc3 Rfc8 22. Bb3 b5 23. Nxb5 Bxb2 24. Rab1 Be5 25. Rbc1 g6 26. Rxc8+ Rxc8 27. g3 Rc5 28. Nd6 Rc7 29. f4 Bc3 $2 {[#]} (29... Bb2 {kämpft weiter.} 30. Nb5 Rc1 31. Rxc1 Bxc1) 30. Nb5 {Precision: Weiß = 63%, Schwarz = 43%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Kovalyov, Anton"]
[Black "Javakhadze, Zurab"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2644"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,87,4,7,7,21,27,21,21,21,19,28,20,18,0,6,0,3,0,0,0,11,-8,0,0,0,-12,0,0,31,24,38,28,99,99,99,99,99,99,202,206,215,207,189,213,187,183,190,212,262,221,222,143,296,293,301,288,320,293,315,285,420,416,386,335,330,329,309,320,316,258]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 {[%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} Ne4 10. cxd5 {A14: English Opening: 1...e6 with b3 by White} (10. Ne2 Bf6 11. d4 c5 12. cxd5 exd5 13. Nf4 c4 14. Nd2 cxb3 15. Nxd5 Bxd5 16. Bxe4 Bxe4 17. Nxe4 bxa2 18. Rxa2 {1-0 (34) Wei,Y (2734)-Bacrot,E (2718) Liaocheng 2018}) 10... exd5 {LiveBook: 5 Games} 11. Ne2 Bf6 12. Bxf6 {The position is equal.} Ndxf6 13. d3 Nd6 {[%cal Be4d6,Bd6e8,Be8f6][%mdl 32]} 14. Nf4 $146 ({Predecessor:} 14. Rc1 c5 15. d4 c4 16. Ne5 b5 17. a4 a6 18. Rb1 {½-½ (30) Breivik,L (2168)-Dedebas,E (2353) Riga 2018}) 14... c5 15. Rc1 Rc8 16. Ne5 Qe7 17. Ng4 Nde8 18. Re1 Nxg4 19. Qxg4 Nf6 20. Qf5 {[%cal Rf4d5]} Rfd8 21. h4 h6 22. h5 Rc7 {White must now prevent ...Bc8.} 23. d4 Rdc8 24. Nxd5 Bxd5 25. Bxd5 Qd8 (25... Rd8 $11 {remains equal.} 26. Bf3 cxd4) 26. Bf3 $16 cxd4 27. Rxc7 Rxc7 {[#]} 28. exd4 $1 Qxd4 (28... Qd7 $16 {might work better.} 29. Qxd7 Rxd7) 29. Rd1 $40 {[%mdl 128] White wants a kill.} Rc5 30. Qb1 ({Less strong is} 30. Rxd4 Rxf5 31. Rd8+ Kh7 $14) 30... Qe5 31. Rd8+ Ne8 32. Kg2 Rc7 33. Qd3 Qe7 34. Ra8 Kf8 35. Qb5 ({Resist} 35. Qh7 $6 Qd7 $16) 35... Rc5 $2 (35... Rd7 $16 36. Qa4 a5) 36. Qa4 Ra5 {[#]} 37. Qf4 $1 Re5 {[#]} 38. Rxa7 $1 {[%mdl 512]} Qxa7 39. Qxe5 Qxa2 (39... Qc7 $142 40. Qd5 Ke7 41. Qe4+ Kf8) 40. Bc6 {[%csl Gc6][%cal Re5e8]} Nf6 {Threatening ...Qxf2+.} 41. Qb8+ Ke7 {White has a decisive advantage.} 42. Qc7+ ({But not} 42. Qxb6 Qd2 $18) 42... Ke6 43. Qxb6 Qd2 {[#]} 44. Bd5+ $1 {[%mdl 512] Precision: White = 85%, Black = 46%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Vorontsov, Pavlo"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2578"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,136,8,18,12,16,-8,6,-6,20,14,12,21,29,19,32,23,17,23,28,46,51,-19,-18,-34,-12,-23,-22,-122,-116,-151,-108,-111,-110,-114,-116,-116,-117,-128,-109,-132,-129,-145,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-85,-64,-85,-64,-85,-85,-85,-85,-85,-85,-85,-85,-85,-64,-64,-64,-64,-64,-64,-64,-64,-51,-51,-51,-51,-51,-65,-51,-51,-51,-65,0,-51,-33,-33,-33,-33,-22,-33,0,-33,-33,-33,-33,-1642,-33,-12841,0,-829,0,-12840,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Ne5 g6 (5... Nc6 6. Bb5 Bd7 7. Nxd7 Qxd7 8. c3 e6 9. O-O Bd6 10. Nd2 O-O 11. Re1 a6 12. Bd3 e5 13. dxe5 Nxe5 {1-0 (52) Kramnik,V (2787)-Caruana,F (2811) Wijk aan Zee 2018}) 6. Bb5+ {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Nbd7 7. O-O Bg7 {LiveBook: 23 Games} 8. Nc3 O-O 9. Bg5 Nb6 10. a4 a6 $146 ({Predecessor:} 10... Ne4 11. Nxe4 dxe4 12. a5 Nd5 {0-1 (27) Frolov,A (2265)-Tamaev,T (2305) Krasnodar 1998}) 11. Bd3 Be6 12. Re1 Re8 13. a5 Nc4 14. Bxc4 dxc4 15. Na4 Qxa5 16. Nc5 Qb6 17. Qe2 (17. Nxe6 $14 Qxe6 18. Nxg6 $1 {[%mdl 512]}) 17... Bd5 $11 18. Nxc4 Bxc4 19. Qxc4 Qc7 $36 {[%mdl 2048] Black has the initiative.} 20. Qb3 (20. Qe2 $11 {remains equal.}) 20... Ng4 $1 $17 {[%csl LRd4,LRh2]} 21. h3 Bxd4 22. hxg4 Qxc5 23. Bh4 b5 24. c3 Bf6 25. Bg3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 26. Red1 a4 27. Qd5 Qxd5 (27... Rec8 $142 {Hoping for ...Qxd5.} 28. Qd7 Qc4) 28. Rxd5 {[#]} b4 $1 {[%mdl 512]} 29. cxb4 Bxb2 30. Ra2 a3 {aiming for ...Rec8.} 31. Be5 e6 32. Rc5 Bxe5 33. Rxe5 {[%mdl 4096] Endgame KRR-KRR} Ra4 34. Ra5 Rxb4 35. f3 Rb3 (35... Reb8 {with more complications.} 36. R5xa3 Rb1+ 37. Kh2 h6 38. Ra8 Rxa8 39. Rxa8+ Kg7) 36. R5xa3 Rxa3 37. Rxa3 {KR-KR} Re7 38. Kf2 Kg7 39. Ra2 Rb7 40. Rc2 Kf6 41. Ra2 Rb5 42. Rc2 Ra5 43. Rb2 h5 44. gxh5 Rxh5 45. Kg3 Ra5 46. Kf2 Kg5 47. Kg3 e5 48. Rb7 f6 49. Rb2 Rc5 50. Ra2 Rc4 51. Rb2 Ra4 52. Rc2 Ra5 53. Rb2 $1 f5 54. Rc2 Rb5 55. Ra2 Rd5 56. Rb2 Ra5 57. Rc2 Ra3 58. Rc5 e4 59. Kf2 $2 {[%mdl 8192] [#]} (59. Rb5 $15) 59... Ra2+ $2 (59... Kh4 $1 $19 60. fxe4 fxe4) 60. Ke3 $2 {[%mdl 8192]} (60. Kg3 $15) 60... Ra3+ (60... Kh4 $142 61. fxe4 fxe4 62. g3+ Kg4 63. Kxe4 Ra3) 61. Kf2 $19 Ra2+ (61... Kh4 $142 62. fxe4 fxe4) 62. Ke3 {[#]} Rxg2 $2 ({Black should play} 62... Kh4 $1 $19 63. fxe4 fxe4 64. g3+ Kg4 65. Kxe4 Ra3) 63. fxe4 $11 {The position is equal.} Kg4 {Threatens to win with ...f4+.} 64. exf5 gxf5 65. Rc4+ Kg3 66. Rf4 {[#]} Re2+ $1 {[%mdl 512]} 67. Kxe2 {White threatens Ke3 and mate.} Kxf4 68. Kf2 Ke5 {Precision: White = 58%, Black = 50%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Sadorra, Julio Catalino"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2555"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,69,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. b3 g6 4. Bb2 Bg7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. d4 Na6 9. Nc3 d5 10. dxc5 Nxc5 11. Nxd5 Nxd5 12. Bxg7 Kxg7 13. cxd5 Qxd5 14. Qxd5 Bxd5 15. Rfd1 {A30: Symmetrical English: Double Fianchetto and Hedgehog} Rfd8 16. Ne5 Bxg2 17. Kxg2 Rac8 18. Rac1 {LiveBook: 3 Games. The position is equal.} f6 19. Rxd8 $146 ({Predecessor:} 19. Nd3 Ne4 20. Nf4 Kf7 21. Rxd8 Rxd8 22. Rc7 Rd2 23. Rxa7 {½-½ (86) Grimm,S (2325)-Vaganian,R (2615) Porz 1992}) 19... Rxd8 $11 {[%mdl 4096] Endgame KRN-KRN} 20. Nc6 Rd2 21. b4 Ne6 22. a3 Rd7 23. Rc2 Kf7 24. Nb8 Rd8 25. Nc6 Rd7 26. Nb8 Rd1 27. Nc6 a6 28. Nb8 a5 29. Rc6 axb4 30. axb4 b5 31. Rb6 Nc7 32. Rb7 Rc1 33. Nd7 Rc4 34. Nc5 Nd5 35. Rxb5 {Precision: White = 100%, Black = 88%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Matsenko, Sergei"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2533"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,63,18,12,8,7,0,0,0,0,0,0,-12,0,0,12,-34,-30,-40,-33,-35,-29,-24,-30,-52,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. a4 Bb7 12. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} c5 13. d5 c4 {C95: Spanische Partie (Breyer-Variante)} 14. Bc2 Qc7 15. Nf1 Rfb8 {LiveBook: 3 Partien} 16. Ng3 g6 17. Bg5 Nc5 18. Qd2 {[#]} Bc8 $146 ({Vorgänger:} 18... bxa4 19. Bxa4 Bc8 20. Ra2 Nxa4 21. Rxa4 Rb6 22. Be3 Rb7 23. Rea1 a5 24. Qe2 Bd7 {0-1 (51) Castellanos Rodriguez,R (2490)-Jones,G (2655) Benasque 2012}) 19. axb5 axb5 20. Nh2 Qd8 21. f4 Nfd7 22. Nf3 Bxg5 23. Nxg5 exf4 24. Qxf4 f6 25. Nf3 $1 Ne5 26. Rf1 Nxf3+ ({Besser ist} 26... Rxa1 $15 27. Rxa1 b4) 27. Qxf3 $11 {Die Stellung ist ausgeglichen.} Kg7 28. Ne2 Bd7 29. Nd4 Rxa1 30. Rxa1 Ra8 31. Rxa8 Qxa8 32. Qg3 {Precision: Weiß = 64%, Schwarz = 68%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Preotu, Razvan"]
[Black "Chua, Alexander"]
[Result "1-0"]
[ECO "B68"]
[WhiteElo "2513"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,65,51,50,58,47,48,48,60,48,41,49,43,50,46,57,92,36,20,16,129,120,166,162,156,155,157,152,158,148,230,225,233,231,429,429,434,410,422,414,416,360,29991,719,29997,29998]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 h6 {B68: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7} (10... b5 11. Bxf6 gxf6 12. Kb1 b4 13. Ne2 h5 14. f5 e5 15. Rg1 Qb6 16. g4 Qf2 17. Qd3 hxg4 18. Rxg4 Nd8 19. Rg2 Qc5 20. Ng3 {1-0 (29) Anand,V (2782)-Demchenko,A (2660) Riadh 2017}) 11. Bxf6 gxf6 12. f5 {LiveBook: 4 Games} Qb6 {White is slightly better.} 13. fxe6 fxe6 14. Ne2 $146 ({Predecessor:} 14. g3 O-O-O 15. Bh3 Qa5 16. Kb1 Qh5 17. Qg2 b5 18. Ne2 Rhe8 19. Nf4 Qf7 20. Bg4 Rg8 21. Qh3 Rxg4 22. Qxg4 e5 23. Qg6 Qc4 {1-0 (23) Bensch,P (2260)-Coduro,M Germany 1993}) 14... Qa5 15. Qxa5 Nxa5 {[%cal Bc6a5,Ba5c4,Bc4e3][%mdl 32]} 16. Nf4 Rc8 17. g3 Nc4 18. Bh3 Ne3 {[#]} 19. Rd3 ({White should play} 19. Rd2 $1 $16) 19... Nxc2 $14 {Hoping for ...Nb4+.} 20. Kb1 d5 (20... Kf7 $11) 21. Nxe6 $16 Bxe6 22. Bxe6 dxe4 23. Bxc8 exd3 24. Bxb7 a5 25. Rd1 Ne3 (25... Kf7 $16 26. Rxd3 Nb4) 26. Rxd3 $18 Ng4 27. Rd5 Bd8 $2 {[#]} (27... Ne5) 28. Bc6+ Kf7 29. Rd7+ Be7 30. Bd5+ Ke8 31. Ra7 Bd8 $2 (31... Ne3 $18 32. Be6 h5 33. Rxa5 Kf8) 32. Nd4 (32. Bf7+ $142 Kf8 33. Nd4 Be7 34. Bh5 Kg8 35. Rxe7 Ne3 36. Ne6 Nf5 37. Rd7 Ne7 38. Rxe7 Rh7 39. Re8#) 32... Bb6 33. Bf7+ {Precision: White = 77%, Black = 31%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Popilski, Gil"]
[Black "Stefanov, Emil"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2491"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,97,-28,-22,0,-11,-23,-21,-12,-20,0,-12,13,8,16,10,9,9,20,29,25,0,0,0,0,0,24,23,26,0,58,22,19,14,22,16,28,20,58,2,2,2,5,5,32,24,31,8,89,89,89,90,90,90,99,91,91,85,91,70,98,98,98,98,906,785,6086,6086,29983,29984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. d5 Na5 11. Bc2 Qc8 12. h3 Bd7 13. Nbd2 c6 14. b4 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4} (14. dxc6 Bxc6 15. Nf1 Re8 16. Bg5 Qe6 17. b3 Rac8 18. Qd2 Nh5 19. g4 Nf6 20. Ng3 g6 21. Bh4 Nd7 22. Ng5 Bxg5 23. Bxg5 {1-0 (42) Andreikin,D (2723)-Grigoriants,S (2576) Minsk 2017}) 14... Nb7 15. dxc6 Qxc6 16. Bb2 {[#] LiveBook: 31 Games. Black has an edge.} g6 $146 ({Predecessor:} 16... Nd8 17. Bd3 Ne6 18. Bf1 Nf4 19. Rc1 a5 {0-1 (61) Arvola,B (2435)-Urkedal,F (2541) Stavanger 2017}) 17. Bb3 a5 18. a3 Qb6 19. Nf1 Bc6 20. Ng3 Nd8 21. Bc1 Ne6 22. Bh6 Rfe8 23. Ng5 Nxg5 24. Bxg5 Bd7 25. Bxf6 Bxf6 26. Nf1 Bg5 27. Ne3 Bxe3 (27... a4 {feels hotter.} 28. Bd5 Rac8 29. Rc1 Rc7 30. c4 Kg7) 28. Rxe3 {[%cal Be1e3,Be3d3,Bd3d5][%mdl 32]} Be6 29. Rd3 axb4 (29... Bxb3 $11 30. Qxb3 Rec8) 30. cxb4 Bxb3 31. Qxb3 Rec8 32. Rad1 Rc6 33. Rd5 Qa6 34. Qd3 (34. R1d3 $14) 34... Qxa3 $11 35. Qxb5 Rac8 36. Kh2 Qa8 37. Qe2 Rb8 38. Qd2 (38. b5 $5 {[%cal Rb5c6]} Rcb6 39. Qf3 $14) 38... Qa3 (38... Qa6 $11 {remains equal.}) 39. Rxd6 $16 Rxd6 40. Qxd6 Qxb4 41. Qxe5 {[%mdl 4096] Endgame KQR-KQR} Rf8 42. Rd6 Qb8 43. Qd5 Re8 44. e5 Kg7 45. Qd4 {Threatens to win with e6+.} Kg8 46. f4 $36 {[%mdl 2048] aiming for e6! White is in control.} Qc8 $2 {[%mdl 8192] [#]} (46... Qc7 $16 47. Rd7 Qc6) 47. e6 $1 $18 {[%mdl 512]} fxe6 (47... Rxe6 48. Rd8+) 48. Rd7 {[%csl Gd7][%cal Rd4g7]} e5 49. Qd5+ {Precision: White = 49%, Black = 37%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Checa, Nicolas"]
[Black "Shtembuliak, Evgeny"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2478"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,25,22,27,25,14,18,17,27,10,11,16,41,-2,61,5,15,-34,-28,-77,-81,-93,-78,-123,-131,-130,-135,-197,-192,-197,-168,-188,-190,-214,-179,-356,-310,-359,-333,-322,-311,-310,-293,-617,-612,-620,0,0,0,-611,-576,-572,-594,-860,-847,-880,-868,-1135,-1123,-2154,-2154,-2332,-2581,-2435,-2420,-2436,-2267]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 Qd6 7. Nd2 Bf5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 8. e3 Nbd7 {LiveBook: 6 Games} (8... c6 9. Qb3 Ne4 10. Ndxe4 Bxe4 11. a3 Bxc3+ 12. bxc3 b6 13. Qb4 Qxb4 14. cxb4 a6 15. a4 {1-0 (45) Nakamura,H (2779)-Nguyen,N (2629) Doha 2016}) 9. Be2 O-O {White has an edge.} 10. O-O c6 11. Qb3 b5 $146 ({Predecessor:} 11... Qe7 12. Bf3 h6 13. Bh4 g5 14. Bg3 h5 15. h3 {½-½ (23) Adorjan,A (2525)-Antonio,R (2490) Bacolod 1991}) 12. a3 Ba5 13. Rfc1 Nb6 ({Don't go for} 13... Bc7 $2 14. Bf4 $18) 14. Qa2 {Strongly threatening b4.} Nc4 (14... Bxc3 $11 15. Rxc3 a5) 15. Nf3 (15. b4 $14 Bb6 16. a4) 15... Bxc3 $11 16. Bf4 Qe7 17. Rxc3 Ne4 $36 {[%mdl 2048] Black is really pushing.} 18. Rcc1 g5 $1 {[%cal Rg5f4]} 19. Bg3 h5 $1 20. b3 Na5 $1 21. a4 (21. Bd1 $17 {might work better.}) 21... b4 $19 22. Rc5 Nxc5 23. dxc5 Qxc5 24. Nd4 Bg6 25. f4 $2 (25. Qb2 {is a better defense.}) 25... gxf4 26. Bxf4 Qc3 27. Rf1 c5 28. Nb5 Qc2 ({Don't do} 28... Qxb3 29. Qa1 $19) 29. Qa1 $2 (29. Qxc2 Bxc2 30. Nc7) 29... Qxe2 30. Qf6 {[#]} Be4 $2 ({Black should try} 30... Kh7 $1 $19 31. Qg5 Rae8) 31. Qg5+ $11 Bg6 32. Qf6 $1 {[#] Bh6 is the strong threat.} Kh7 $1 {Black is clearly winning.} 33. Nd6 {White wants to play Nf5.} Qg4 34. Be5 {[%csl Ge5][%cal Rf6g7]} Bd3 35. Rf3 Qg6 36. Qh4 f6 37. Rg3 fxe5 {[%csl Gd3][%cal Rf8f1]} 38. Qe7+ Kh8 {[%csl Gd3][%cal Rf8f1]} 39. Qxe5+ Qf6 40. Qxh5+ Bh7 {Precision: White = 32%, Black = 64%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Stremavicius, Titas"]
[Black "Guo, Arthur"]
[Result "1/2-1/2"]
[ECO "E42"]
[WhiteElo "2467"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,86,19,0,20,0,0,0,0,0,0,0,8,0,16,0,0,0,7,8,3,12,6,8,5,14,10,4,0,0,0,-15,32,25,25,26,94,102,110,85,84,84,84,89,90,79,72,75,67,63,101,43,43,43,43,33,45,27,36,23,45,-8,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. a3 Be7 8. Nf4 Nc6 {E42: Nimzo-Indian: Rubinstein: 4...c5 5 Ne2} (8... dxc4 9. Bxc4 O-O 10. O-O Bd6 11. Be3 Qc7 12. Nb5 Qxc4 13. Nxd6 Qa6 14. Nxc8 Rxc8 15. d5 Rd8 16. Qb3 Nxd5 17. Rfd1 Nc6 18. Nxd5 exd5 19. Rxd5 Rxd5 20. Qxd5 {½-½ (29) Fier,A (2620)-Ivanchuk,V (2710) Jurmala 2016}) 9. cxd5 Nxd5 10. Ncxd5 exd5 11. Be3 {LiveBook: 9 Games} Bg5 12. Be2 O-O 13. O-O Bxf4 14. Bxf4 Qb6 15. Bd6 $146 ({Predecessor:} 15. b4 Qxd4 16. Be3 Qe5 {0-1 (42) Ree,H (2420)-Olafsson,F Wijk aan Zee 1976}) 15... Re8 16. Bc5 Qd8 17. Bf3 Be6 18. Qd2 Qd7 19. h3 b6 20. Bb4 $1 a5 21. Bc3 Ne7 22. Rfe1 Nf5 23. Qf4 Nd6 24. Re5 Nc4 25. Rg5 a4 26. Re1 g6 {[%cal Bg7g6,Bg6g5][%mdl 32]} 27. Be2 $36 {[%mdl 2048] Hoping for Bxc4. White is pushing.} Nd6 {[#]} (27... b5 $11) 28. Re5 $1 $16 Kg7 29. Bd3 f6 30. R5e3 g5 31. Qf3 Bf7 32. h4 {And now hxg5 would win.} h6 33. Bb4 Rxe3 34. Rxe3 Re8 35. hxg5 (35. Bxd6 $16 Rxe3 36. Qxe3 (36. fxe3 Qxd6 37. hxg5 hxg5 $11) 36... Qxd6 37. hxg5 fxg5 38. Bb5) 35... hxg5 $14 36. Rxe8 Nxe8 37. Bf5 Qc7 38. Qe3 Nd6 39. Bd3 Nc4 40. Bxc4 (40. Qh3 $14 Bg6 41. Bf8+ Kxf8 42. Bxg6) 40... Qxc4 {The position is equal.} 41. f4 gxf4 42. Qxf4 Qe2 43. Kh2 Qh5+ {Precision: White = 56%, Black = 72%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Arribas Lopez, Angel"]
[Black "Reshef, Omer"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2460"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,99,18,-12,21,-10,5,-15,22,17,14,0,25,-16,-15,-23,-29,-57,-54,-55,-60,-61,-53,-63,-36,-40,-18,-25,-25,-22,-20,-22,-14,-17,-20,-13,-10,-17,-7,-8,0,0,55,55,116,116,112,110,128,118,167,169,158,157,157,145,169,169,188,187,191,177,191,191,184,177,184,143,159,147,153,149,266,216,334,245,257,187,187,187,187,187,186,172,418,410,437,422]} 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 d5 5. Nbd2 Be7 6. c3 O-O {C44: Ponziani Opening and Scotch Gambit} 7. b4 (7. O-O Re8 8. b4 Bd6 9. Re1 Ne7 10. Bf1 c6 11. a4 Ng6 12. g3 a5 13. b5 h6 14. Rb1 Bd7 15. c4 dxe4 16. dxe4 {0-1 (34) Jobava,B (2673)-Inarkiev,E (2668) Minsk 2015}) 7... a6 8. Bb2 {LiveBook: 3 Games} Bg4 {The position is equal.} 9. a3 Re8 10. h3 Bh5 11. Qc2 $146 ({Predecessor:} 11. O-O dxe4 12. dxe4 Bg6 13. Qc2 {1-0 (37) Fluvia Poyatos,J (2197)-Exposito Amaro,J Catalunya 2000}) 11... Bf8 12. Rd1 Qd7 13. Nf1 Bxf3 14. Bxf3 d4 $1 15. c4 a5 16. b5 Nd8 17. Nh2 Qd6 18. O-O c6 19. a4 cxb5 20. axb5 Ne6 21. Ra1 b6 22. g3 Qc7 23. h4 Bd6 24. Bg2 Nd7 25. Bh3 Ndc5 26. Nf3 a4 27. Nd2 Qe7 (27... Ra7 $11) 28. Bxe6 $1 $14 fxe6 (28... Nxe6 $14 29. Rxa4 Rxa4 30. Qxa4 Qb7) 29. Ba3 $16 Nb3 30. Nxb3 Bxa3 31. Nd2 {[%cal Bb3d2,Bd2f3,Bf3h2,Bh2g4,Bg4e5,Be5c6][%mdl 32]} Bb4 32. Nf3 Qf6 {[#]} 33. Nh2 $1 a3 34. Ng4 Qe7 35. Nxe5 Bc3 36. Ra2 Qc5 37. f4 Bb2 38. Qb3 Ra7 39. Nc6 Raa8 40. e5 Qf8 41. Qd1 Qf7 42. Qf3 h5 (42... Kh8 $16 {is a better defense.} 43. h5 Rf8) 43. Qe4 Qd7 (43... g6 $142 44. Kh2 Kg7 45. Nxd4 Rad8) 44. Qg6 Qf7 45. Qxf7+ Kxf7 46. Kf2 Rec8 47. Kf3 Rc7 48. Ke4 Kg6 $2 {[#]} (48... g6 49. Nxd4 Rd7) 49. f5+ $18 exf5+ 50. Rxf5 {Precision: White = 60%, Black = 37%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Hilby, Craig"]
[Black "Berczes, David"]
[Result "*"]
[WhiteElo "2420"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,16,0,0]} 1. e4 e5 2. Nf3 Nc6 {[%cal Bb8c6,Bc6e5,Be5g4][%mdl 32]} 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Neg4 {LiveBook: 43 Partien. C48: Vierspringerspiel (Rubinstein-Variante)} {Vorgänger:} 9. e5 $146 Be7 10. f5 d6 11. exf6 Nxf6 12. Qf3 c6 13. Bd3 Qb6 14. Be3 Qxb2 15. Ne2 d5 16. g4 {1-0 (29) Inarkiev,E (2684)-Lysyj,I (2630) Yaroslavl 2018} *

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Hilby, Craig"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2420"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,58,-9,-9,-11,-11,-15,-16,-19,-13,-2,-4,-145,-72,-71,-76,-105,-105,-102,-96,-136,-141,-181,-188,-192,-176,-181,-187,-191,-89,-91,0,-184,0,-86,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Neg4 {C48: Vierspringerspiel (Rubinstein-Variante)} 9. h3 (9. e5 Be7 10. f5 d6 11. exf6 Nxf6 12. Qf3 c6 13. Bd3 Qb6 14. Be3 Qxb2 15. Ne2 d5 16. g4 {1-0 (29) Inarkiev,E (2684)-Lysyj,I (2630) Yaroslavl 2018}) 9... Bb4 {LiveBook: 3 Partien. Schwarz will ...Lxc3 spielen.} 10. hxg4 {g5 ist eine echte Drohung.} Bxc3 $1 11. bxc3 Nxe4 12. Qf3 $146 ({Vorgänger:} 12. Bd3 d5 13. Bxe4 dxe4 14. f5 Qh4 15. Qe2 Re8 16. Be3 {0-1 (72) Van Osch,M (2324)-Krysa,L (2533) Dieren 2018}) 12... f5 13. gxf5 d5 14. g4 (14. Bd3 $11) 14... c6 (14... h5 $142 $1 15. g5 Bxf5) 15. Bd3 $17 h5 $1 {[%cal Rh5g4]} 16. Bxe4 dxe4 17. Qxe4 hxg4 18. Ba3 Re8 (18... Rxf5 $6 19. Rae1 $11) 19. Qd3 {[#]} Qh4 $1 20. Rf2 {[#] Schwarz muss nun Dc4+ beachten.} Bxf5 $1 {[%mdl 512]} 21. Qxf5 Qg3+ 22. Kf1 (22. Rg2 Re1+ 23. Rxe1 Qxe1+ 24. Kh2 Qh4+ 25. Kg1 Re8 $19) 22... Qh3+ (22... Qxc3 $19 23. Rb1 Qxa3) 23. Kg1 {Und Dd3 würde nun gewinnen.} Qg3+ (23... Qxc3 $17 24. Raf1 Qxa3 25. Qxg4 Qe3) 24. Kf1 $1 $19 (24. Rg2 $2 Re1+ 25. Rxe1 Qxe1+ 26. Kh2 Qh4+ 27. Kg1 Re8 $19) 24... Qh3+ (24... Qxc3 $19 {bietet bessere Gewinnchancen.} 25. Rb1 Qxa3) 25. Kg1 $17 {Und weiter mit Dd3 wäre nett.} Re3 ({Günstiger ist} 25... Qxc3 $17 26. Raf1 Qxa3 27. Qxg4 Qe3) 26. Rh2 $11 {Die Stellung ist ausgeglichen.} Qg3+ 27. Kh1 $1 {Droht Dh7+ und aus.} ({Nur nicht} 27. Rg2 $2 Re1+ 28. Rxe1 Qxe1+ 29. Kh2 Qh4+ 30. Kg1 Re8 $19) 27... Qf3+ 28. Kg1 {zielt auf Tf1 ab.} Qg3+ $1 29. Kh1 $1 {Droht stark Dh7+.} ({Aber nicht} 29. Rg2 $2 Re1+ 30. Rxe1 Qxe1+ 31. Kh2 Qh4+ 32. Kg1 Re8 $19) 29... Qf3+ {Precision: Weiß = 65%, Schwarz = 58%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Wheeler, Cameron"]
[Black "Green, Austen"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2406"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,46,14,35,43,50,44,54,3,97,100,117,106,115,89,115,116,110,115,106,106,111,108,137,140,145,143,137,123,141,125,271,270,353,351,439,426,413,400,560,550,704,697,642,611,702,697]} 1. Nf3 f5 2. g3 Nf6 3. c4 d6 4. d4 g6 5. Bg2 Bg7 6. O-O O-O 7. Nc3 Qe8 8. d5 a5 9. Be3 Na6 10. Qc1 {LiveBook: 15 Partien. A87: Holländische Verteidigung (Leningrader Variante)} (10. Qd2 Bd7 11. Rfe1 Ng4 12. Bd4 Ne5 13. b3 h6 14. Rac1 a4 15. Nxa4 Nxf3+ 16. exf3 Bxd4 17. Qxd4 Bxa4 18. bxa4 {½-½ (31) Gouw,C (2591)-Brunsek,I (2595) ICCF email 2009}) 10... Nc5 11. Bxc5 $146 ({Vorgänger:} 11. Rd1 Ng4 12. Bf4 h6 13. h3 g5 14. Bxg5 hxg5 15. hxg4 fxg4 16. Nd4 Qf7 17. Qe3 Bd7 {½-½ (25) Miandro,S (1834)-Allegranti,L (2025) Porto San Giorgio 2011}) 11... dxc5 12. Qe3 {Weiß steht etwas besser.} b6 13. Nb5 ({Günstiger ist} 13. Rad1 $14) 13... Qd8 (13... Nxd5 $1 $11 14. Qd2 c6) 14. Ne5 $16 {zielt auf Sc6 ab.} Bb7 15. Nc6 $36 {[%mdl 2048] Weiss hat starke Initiative.} Bxc6 16. dxc6 {Droht stark Tad1.} Ne8 17. Qe6+ Kh8 18. Qd7 Rc8 19. Qxd8 Rxd8 20. Rad1 Rd6 21. b3 Be5 22. Nxd6 Nxd6 23. f4 Bf6 24. Bd5 e6 (24... a4 $16 {war angesagt.} 25. Rd3 Kg7) 25. Bxe6 $18 Bd4+ 26. Kg2 Re8 {[#]} 27. e3 $1 Rxe6 (27... Bxe3 28. Rxd6) 28. exd4 Ne4 29. dxc5 {Weiß steht klar auf Gewinn.} Nxc5 30. Rfe1 Rxc6 31. Re7 {[%cal Rd1d8] [#]} Ne6 32. Rdd7 {Precision: Weiß = 72%, Schwarz = 31%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Wang, Justin"]
[Black "Kung, Thomas"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2391"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,21,-397,-415,-410,-382,-531,-323,-587,-377,-607,155,-1594,141,-1633]} 1. Nf3 Nc6 2. Ne5 $146 ({Vorgänger:} 2. d4 d6 3. e4 Nf6 4. Nc3 g6 5. d5 Nb8 6. Be2 Bg7 7. O-O O-O 8. Re1 c6 9. a4 b6 10. Nd4 Bb7 11. a5 c5 12. Nf3 Na6 13. Bf4 Nc7 14. Qd2 Re8 15. h3 Qd7 16. a6 Bc8 {0-1 (53) Khismatullin,D (2632)-Rapport,R (2707) Riadh 2017}) 2... Nxe5 3. c3 d5 4. Qc2 Be6 5. h4 Qd7 6. h5 {A04: Holländisches System ohne Übergang in andere Systeme} f6 7. c4 b5 8. Kd1 $2 {[#]} (8. cxd5 Bxd5 9. Nc3) 8... Bf7 9. a3 $2 (9. cxd5 Bxd5 10. d4) 9... Bg6 $2 (9... dxc4 $19 10. Ke1 Nh6) 10. b3 $2 (10. hxg6 $16 Nh6 11. cxd5) 10... a5 $2 ({Besser ist} 10... Bxc2+ $19 11. Kxc2 bxc4) 11. h6 $2 {[%mdl 40960] Precision: Weiß =  0%, Schwarz =  0%. . Loss on Time!?} (11. hxg6 $16 Nxg6 {[#]} 12. Rxh7 $1 {[%mdl 512]}) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Nguyen, Emily"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2370"]
[BlackElo "2194"]
[Annotator "NA RC"]
[PlyCount "79"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,77,38,10,36,8,8,0,0,-8,0,-16,32767,32767,32767,32767,0,16,32767,32767,20,25,30,27,32767,32767,37,32767,57,44,54,54,34,38,29,6,43,17,34,32767,32767,32767,32767,32767,32767,5,42,14,14,8,10,9,213,15,254,250,403,396,613,660]} 1. c4 {[%emt 0:07:05]} e6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:03]} d5 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:00]} 4. Bg5 {[%emt 0:01:15]} c6 {[%emt 0:01:30]} 5. e3 {[%emt 0:00:39]} Nbd7 {[%emt 0:00:28]} 6. cxd5 {[%emt 0:00:35]} exd5 {[%emt 0:00:21]} 7. Bd3 {[%emt 0:00:04]} Be7 {[%emt 0:01:37]} 8. Qc2 {[%emt 0:01:12]} O-O {[%emt 0:00:55]} 9. h3 {[%emt 0:00:42]} Re8 {[%emt 0:04:46]} 10. Nf3 {[%emt 0:00:13]} Nf8 {[%emt 0:02:25] LiveBook: 795 Partien} 11. Rb1 {[%emt 0:01:35] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (11. O-O Be6 12. Ne5 N6d7 13. Bxe7 Qxe7 14. f4 f6 15. Nxd7 Qxd7 16. Rae1 Re7 17. f5 Bf7 18. Qf2 Rae8 19. Qf4 g5 20. fxg6 Bxg6 21. Bxg6 Nxg6 {½-½ (41) Rakhmanov,A (2659)-Berkes,F (2653) Hungary 2017}) 11... a5 {[%emt 0:03:02]} 12. a3 {[%emt 0:01:18]} Ne4 {[%emt 0:03:31]} 13. Bf4 {[%emt 0:03:46]} Bd6 $146 {[%emt 0:13:20]} ({Predecessor:} 13... Nxc3 14. bxc3 Bxa3 15. c4 dxc4 16. Bxc4 Bb4+ 17. Ke2 Be6 18. Bd3 Qd5 {0-1 (32) Kleibel,U (1999)-Mazarov,J (2177) playchess.com INT 2009}) 14. Bxd6 {[%emt 0:01:46]} Nxd6 {[%emt 0:00:12]} 15. O-O {[%emt 0:01:03]} Qf6 {[%emt 0:00:44]} 16. Ne5 {[%emt 0:01:01]} Bf5 {[%emt 0:04:20]} 17. b4 {[%emt 0:00:40]} axb4 {[%emt 0:10:25]} 18. axb4 {[%emt 0:00:03]} Bxd3 {[%emt 0:00:56]} 19. Qxd3 {[%emt 0:00:10]} Qe6 {[%emt 0:10:22]} 20. b5 {[%emt 0:01:20]} f6 {[%emt 0:03:32]} 21. Nf3 {[%emt 0:00:09]} Ra3 {[%emt 0:03:37]} 22. bxc6 {[%emt 0:00:04]} bxc6 {[%emt 0:00:07]} ({Black should play} 22... Ne4 $11 23. Nxe4 Rxd3) 23. Nd2 {[%emt 0:00:08]} Nd7 {[%emt 0:01:58]} 24. Qc2 {[%emt 0:00:51]} Rea8 {[%emt 0:04:24]} 25. Rfc1 {[%emt 0:01:55]} R3a6 {[%emt 0:00:53]} 26. e4 {[%emt 0:01:42]} dxe4 {[%emt 0:02:38]} 27. Ncxe4 {[%emt 0:01:02]} Nxe4 {[%emt 0:01:09]} 28. Nxe4 {[%emt 0:00:04]} Ra4 {[%emt 0:05:35]} 29. Rd1 {[%emt 0:07:49]} Ra2 {[%emt 0:05:42]} 30. Qd3 {[%emt 0:01:23]} R2a3 {[%emt 0:00:21]} 31. Nc3 {[%emt 0:01:23]} Nf8 {[%emt 0:04:42]} 32. Rb6 {[%emt 0:02:03]} Rc8 {[%emt 0:05:04]} 33. Rb7 {[%emt 0:02:25]} Rd8 {[%emt 0:01:36]} 34. Qd2 {[%emt 0:01:10]} Qc4 {[%emt 0:01:07]} 35. Ne4 {[%emt 0:00:38]} Ra4 $2 {[%emt 0:01:35] [#]} (35... Rb3 $11 {and Black has nothing to worry.} 36. Re7 Qb4) 36. Qe3 {[%emt 0:02:51]} (36. Qf4 $1 $16 Rxd4 37. Rxd4 Qxd4 38. Qg3 Ra1+ 39. Kh2) 36... Rxd4 $2 {[%emt 0:01:17]} ({Better is} 36... Rb4 $14 37. Re7 Qc2) 37. Rc1 {[%emt 0:01:11]} Qe6 $2 {[%emt 0:02:13]} (37... Rxe4 {is a better defense.} 38. Rxc4 Rxe3 39. Rxa4 Re8) 38. Qg3 {[%emt 0:00:44]} g6 $18 {[%emt 0:01:44]} (38... Rd7 $142) 39. Nc5 $1 {[%emt 0:00:14]} ({Avoid the trap} 39. Qc7 $2 Rd7 $19) 39... Qa2 {[%emt 0:00:43]} 40. Qc7 {[%emt 0:00:39]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Li, Ben"]
[Black "Drozdowski, Kacper"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2324"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,22,43,45,69,32,40,0,53,53,35,11,2,7,20,9,21,9,26,21,89,22,28,15,38,22,46,79,62,-34,-37,-76,-88,-72,-72,-164,-158,-29984,-29985,-29985,-29986,-803,-673,-718,0,0,0,0,0,0,0,0,0,0,0,0,0,0,181,193,180,171,300,293,648,630,687,650,644,684,683,683,635,638,1143,677,805,754,977,899,1329,1302,12838,12839,12839,12839,29988,29989,29989,12844,12844,12844,12843,12843,12842,1618]} 1. d4 d5 2. Nf3 a6 3. Bf4 e6 4. e3 Nf6 5. c4 (5. Bd3 c5 6. c3 Bd6 7. Bg3 Nc6 8. Nbd2 O-O 9. Ne5 Ne7 10. O-O b6 11. Bh4 Nf5 12. Bg5 h6 {1-0 (42) Carlsen,M (2834)-Yu,Y (2736) Doha 2015 CBM 170 [Sagar Shah/CB Website]}) 5... dxc4 6. Bxc4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} b5 7. Bd3 Bb7 8. a4 $146 {White is slightly better.} ({Predecessor:} 8. O-O Be7 9. Nbd2 Nh5 10. Bg3 Nxg3 11. fxg3 c5 {½-½ (62) Boerkey,P (1331)-Starkbaum,M (1720) Wiesbaden 2015}) 8... b4 ({Better is} 8... Bb4+ $11 9. Nbd2 Nbd7) 9. Nbd2 $14 c5 10. Nb3 cxd4 11. Nbxd4 Nbd7 12. O-O Nc5 13. Bc4 $36 {[%mdl 2048] Black is under pressure.} Rc8 14. a5 Nfe4 (14... Nd5 $11) 15. Qe2 (15. Ne5 $16) 15... Bd6 $11 16. Rfd1 Qe7 17. Qe1 Bxf4 18. exf4 O-O 19. Qxb4 (19. Ne5 $14) 19... Nxf2 $1 $15 20. Rdc1 Bxf3 $1 21. Nxf3 {next Bxa6 is good for White.} Rb8 22. Qa3 (22. Qc3 $17) 22... Qa7 $1 $19 23. Kxf2 $2 (23. Kf1 $17) 23... Ne4+ 24. Ke2 Qf2+ 25. Kd3 Nc5+ 26. Kc3 Rfd8 $2 (26... Qe3+ $19 27. Kc2 Qe4+ 28. Kc3 Rb3+ $3 {[%mdl 512]} 29. Qxb3 Qe3+ 30. Kc2 Nxb3 31. Bxb3 Qe4+ 32. Kd1 Rd8+ 33. Nd2 Qxg2) 27. b4 $11 Ne4+ (27... Qxg2 $5 28. Rf1 $8 Ne4+ 29. Kb3 Nc5+ 30. Kc3 Ne4+ 31. Kb3 Nc5+ 32. Kc3 $11) 28. Kb3 {Threatens to win with Rc2.} Nc5+ $1 29. Kc3 {And now Rc2 would win.} Qxg2 30. Rf1 Ne4+ 31. Kb3 Nc5+ 32. Kc3 Ne4+ 33. Kb3 Rbc8 $2 (33... Nc5+ $11 34. Kc3) 34. Ra2 $18 {[%cal Ba1a2,Ba2c2,Bc2c4][%mdl 32]} Qh3 {[#] White must now prevent ...Rxc4!} 35. Qc1 $1 e5 (35... h5 $142 36. Ka4 Rd3 37. Bxd3 Rxc1 38. Rxc1 Qxf3 39. Bxa6 Nc3+ 40. Rxc3 Qxc3) 36. fxe5 Rd4 $2 (36... Kf8 37. Kb2 Rc7) 37. Rc2 Rcxc4 38. Rxc4 {Threatening mate with Rc8+.} Nd2+ 39. Ka2 {Rc8+ would kill now.} Rxc4 40. Qxd2 {[%cal Rd2d8]} Rc8 41. Rc1 {Hoping for Ng5.} Rb8 42. Rc3 h6 43. Qd6 Qg2+ 44. Ka3 Ra8 45. e6 fxe6 46. Qxe6+ Kh8 47. Ne5 Qd2 48. Nf7+ Kh7 49. Ng5+ (49. Qe4+ $142 Kg8 50. Qxa8+ Kxf7 51. Rc7+ Kf6 52. Qf3+ Ke5 53. Rc5+ Ke6 54. Qf5+ Ke7 55. Rc7+ Kd6 56. Rd7+ Kc6 57. Qe6+ Qd6 58. Qxd6+ Kb5 59. Qd5#) 49... Qxg5 {White is clearly winning.} 50. Qe4+ Qg6 51. Qxa8 Qb1 52. Qf3 {Precision: White = 29%, Black = 42%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Lin, Andy"]
[Black "Dejmek, Mark"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2274"]
[BlackElo "1998"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,134,31,39,25,39,28,68,60,78,68,74,0,0,0,0,0,0,13,11,0,10,3,26,0,4,0,4,0,6,0,0,0,7,0,0,0,0,0,18,13,27,0,0,0,14,0,0,0,0,0,16,20,28,31,34,10,12,0,0,0,14,-11,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. Re1 Ne4 8. Nxe4 Bxe4 9. d3 Bb7 10. e4 d6 11. d4 cxd4 12. Nxd4 O-O 13. Be3 {A17: English Opening: 1...Nf6 with ...Bb4} (13. b3 a6 14. Bb2 Qc7 15. Qg4 g6 16. e5 Bxg2 17. exd6 Bxd6 18. Kxg2 Nd7 19. Nf3 Rad8 20. Rad1 Be7 {1-0 (54) Gelfand,B (2729)-Inarkiev,E (2702) Nazran 2017}) 13... a6 {LiveBook: 11 Games} 14. a4 Nd7 15. a5 {White is slightly better.} Rb8 $146 ({Predecessor:} 15... bxa5 16. Bd2 Qc7 17. Bxa5 Qxc4 18. Rc1 Qa2 19. b4 Bf6 20. Rc7 Nc5 {1-0 (45) Domogaev,S (2442)-Gusev,A (2421) Kireevsk 2011}) 16. axb6 Nxb6 17. Qe2 Bf6 18. c5 (18. Rec1 $16) 18... dxc5 $11 19. Nb3 $1 {[%cal Rb3c5]} Nd7 20. Nxc5 Nxc5 21. Bxc5 Be7 22. b4 Bxc5 23. bxc5 Qd4 24. Rac1 {aiming for c6.} Rfc8 $1 25. Red1 Qb4 26. Qd3 h6 27. Rc4 Qa5 28. Qe3 Rc7 29. h4 Rbc8 {[%cal Rc7c5]} 30. Rdc1 Bc6 31. R4c3 Bb7 32. g4 Qa4 33. Bf3 e5 34. g5 hxg5 35. Rc4 Qd7 36. Qxg5 f6 37. Qg3 Qe7 {[%cal Rc7c5]} 38. Bg4 {Hoping for c6.} Rd8 39. c6 Bc8 40. Bxc8 Rdxc8 41. Qd3 Rd8 42. Qg3 Qe6 43. Qa3 (43. Qg6 {looks sharper.} a5 44. h5 Ra8 45. R4c3 Qe8 46. Ra3) 43... Qg4+ 44. Qg3 Qxg3+ 45. fxg3 {[%mdl 4096] Endgame KRR-KRR} Rdc8 46. Kf2 Kf7 47. Kf3 a5 48. Kg4 a4 49. h5 a3 50. Kf5 Ra8 51. R4c2 Ra6 (51... Rh8 $11) 52. Rb1 (52. Ra2 $14) 52... Raxc6 {The position is equal.} 53. Rxc6 Rxc6 {KR-KR} 54. Rb7+ Kg8 {Strongly threatening ...Ra6.} 55. Kg6 {[#] White wants to mate with Rb8+.} f5+ $1 {[%mdl 512]} 56. Kxf5 Ra6 {...a2 is the strong threat.} 57. Rb1 a2 58. Ra1 Ra5 59. g4 Kf7 60. Kg5 $1 Ra6 61. Kf5 Ra5 62. Kg5 $1 Ra6 63. Kf5 Ra5 64. Kg5 $1 {[#]} g6 $1 {[%mdl 512]} 65. h6 (65. hxg6+ Kg8) 65... Ra6 {Threatens to win with ...Kf8.} 66. Kh4 Kg8 {And now ...Kh8 would win.} 67. g5 $1 Ra4 {Precision: White = 59%, Black = 57%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Kumar, Nikhil"]
[Black "Shen, Christopher"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2268"]
[BlackElo "2254"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,116,58,66,79,122,64,81,81,93,82,150,153,159,141,139,141,145,91,106,74,69,35,50,51,49,-32,-41,-37,-23,-95,2,0,17,-22,-19,-12,9,-14,29,-119,-120,-125,-131,-120,-121,-107,-115,-144,-54,-60,-25,-26,-26,-25,-25,-30,-21,-77,-77,-118,-137,-142,-132,-976,-965,-952,-945,-800,-774,-2066,-1583,-1641,-1455,-1756,-1920,-1481,-1296,-29968,-29970,-29968,-29969,-29967,-29970,-29969,-4606,-29969,-29971,-29974,-29976,-29986,-29987,-29994,-29992,-29995,-29993]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 Nbd7 7. g4 e5 8. d5 Nc5 {E73: King's Indian: Averbakh Variation without 6...c5} 9. f3 a5 10. h4 h5 11. g5 Ne8 (11... Nh7 12. Kd2 Bd7 13. Nh3 c6 14. Nf2 cxd5 15. exd5 f5 16. gxf6 Nxf6 17. Bxc5 dxc5 {0-1 (37) Vallejo Pons,F (2705)-Radjabov,T (2741) Palma de Mallorca 2017}) 12. Qd2 Bd7 {LiveBook: 3 Games} 13. O-O-O b6 $146 ({Predecessor:} 13... Na4 14. Nb1 Qc8 15. Na3 Nb6 {0-1 (52) Berczes,D (2510)-Srinath,R (2355) Budapest 2018}) 14. Nh3 (14. Bf1 $16) 14... Qc8 15. Nf2 Qa6 16. Kb1 a4 (16... Qb7 $142) 17. Nd3 $16 Qa5 18. Qc2 Kh7 19. Bd2 Qa7 20. Rdg1 ({White should play} 20. Rhg1) 20... Qb7 21. Rg2 c6 22. f4 (22. Nb4 {looks sharper.} Nc7 23. Be3 cxd5 24. Nbxd5 Nxd5 25. Nxd5 Rfd8 26. Rc1) 22... cxd5 23. Nxc5 bxc5 24. Nxd5 (24. exd5 $14 exf4 25. Bxf4) 24... exf4 $15 25. Bxf4 Rb8 $1 {[%cal Rb7b2,Ba8b8,Bb8b4,Bb4f4][%mdl 32]} 26. Bd1 (26. Bc1 $1 $11) 26... Qa6 (26... Bxb2 $17 27. Qxb2 Qc8) 27. Qd3 $11 Bc6 28. Bf3 Bxd5 29. exd5 {Bxh5 is the strong threat.} Rb4 30. Rc1 {Black must now prevent Bxh5.} (30. Rc2 $5 {[%cal Rf4d2]}) 30... Nc7 31. Bxh5 (31. Rcc2 $1 $11 {was the only way to keep the balance.}) 31... Qb7 $1 $17 {[%cal Rb4b2]} 32. Rcc2 {And now Bc1 would win.} Nxd5 $1 33. Qxd5 ({Not} 33. Bxd6 $2 Nc3+ $1 {[%mdl 512]} 34. Ka1 Rd8 $19) 33... Qxd5 34. cxd5 Rxf4 35. Bg4 {[#]} Be5 ({Black should try} 35... a3 $1 $17 {[%mdl 512]} 36. b3 (36. bxa3 Rf1+) 36... Re8) 36. a3 Kg7 37. h5 gxh5 38. Bxh5 Rh8 39. Be2 Rd4 40. Bf3 (40. Bb5 $11) 40... Rh3 $36 {[%mdl 2048] Keeping White busy.} 41. Rgf2 Rg3 42. Bh5 Rxg5 43. Bxf7 $2 {[%mdl 8192]} (43. Rg2 $17 Rxg2 44. Rxg2+ Kf8 45. Rf2) 43... Rg1+ $19 44. Rc1 Rxc1+ 45. Kxc1 Bf4+ 46. Rxf4 Rxf4 {[%mdl 4096] Endgame KR-KB} 47. Be6 Kf6 48. Kc2 Ke5 49. Kc3 Rf3+ 50. Kc4 Rb3 51. Bd7 Rxb2 52. Bxa4 Ra2 53. Kb3 Rd2 (53... Rh2 $142 54. Bc6 Kd4 55. Bb5 Kxd5 56. a4 Rh3+ 57. Kc2 c4 58. Ba6 Kc5 59. Bc8 Rh2+ 60. Kb1 Rh8 61. Bd7 d5 62. Kb2 d4 63. Be6 Rh2+ 64. Ka3 d3 65. Bg4 c3 66. a5 c2 67. Kb2 Rh1 68. Kc3 c1=Q+ 69. Kxd3 Qc4+ 70. Ke3 Qxg4 71. Kf2 Rh2+ 72. Ke3 Re2+ 73. Kd3 Qf3#) 54. Bc6 Kd4 {Black mates.} 55. a4 c4+ {[%cal Bc5c4,Bc4c3][%mdl 32]} 56. Kb4 c3 57. Kb3 Rb2+ 58. Ka3 Rb8 {Precision: White = 28%, Black = 61%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Findlay, Ian T"]
[Black "Oberoi, Shelev"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2263"]
[BlackElo "1896"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,46,-43,-120,-124,-338,-339,-329,-297,-309,-302,-345,-340,-334,-341,-443,-408,-954,-350,-953,-933,-945,-947,-947,-919,-947,-932,-933,-918]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 {[%cal Bh7h5,Bh5g4][%mdl 32]} 7. d3 Qf6 8. Nbd2 Ne7 9. Re1 Ng6 10. hxg4 hxg4 11. Nh2 {LiveBook: 3 Games} (11. d4 $15 gxf3 12. Nxf3) 11... Bc5 $17 {[#] C68: Ruy Lopez: Exchange Variation, sidelines} 12. Re3 $2 (12. Ndf3 $1 $17 {[%mdl 512]} Bxf2+ (12... gxf3 13. Nxf3) 13. Kxf2 Rxh2 14. Bg5 Qxf3+ 15. Qxf3 gxf3 16. Kxf3) (12. Nxg4 Qh4 13. Kf1 Qh1+ 14. Ke2 Nf4+ 15. Kf3 Qxg2# {0-1 (15) Vescovi,G (2648)-Kazhgaleyev,M (2596) playchess.com INT 2004}) 12... Bxe3 13. fxe3 Qh4 {Black has a decisive advantage.} 14. Ndf1 $146 ({Predecessor:} 14. Qxg4 Qxh2+ 15. Kf2 Qh4+ 16. Qxh4 Rxh4 17. b3 Rh1 18. Nf1 O-O-O 19. g3 {1-0 (91) Grana Lois,J (2040)-Rodriguez Castineiras,J Cambre 2006}) 14... g3 15. Nxg3 Qxg3 ({But not} 15... Qxh2+ 16. Kf2 $19) 16. Nf1 Qh4 17. Bd2 O-O-O {[%cal Ba8d8,Bd8d6,Bd6f6][%mdl 32]} 18. Qf3 (18. Bb4 $142) 18... Qh1+ $19 19. Kf2 Rd6 {Black is clearly winning.} 20. Ke2 Rf6 21. Qg4+ Kb8 22. Re1 Qg1 23. Qg3 Rh1 {Precision: White = 44%, Black = 93%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.01"]
[Round "4"]
[White "Daggupati, Balaji"]
[Black "Kumar, Naman"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2226"]
[BlackElo "1914"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,43,-74,-60,-66,97,106,61,32,149,140,266,270,432,429,441,436,371,369,634,640,639,627,624,624,787,779,772,763,746,749]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4f5][%mdl 32]} d6 {[%cal Bd7d6,Bd6d5,Bd5d4][%mdl 32]} 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qe2 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Qd2 Nbd7 10. Nd5 Bxd5 11. exd5 g6 12. Be2 Bg7 13. O-O a5 14. a4 O-O 15. Bb5 Qc7 16. c4 b6 17. h3 Nc5 18. Nxc5 bxc5 {½-½ (49) Carlsen,M (2842)-Vachier Lagrave,M (2779) Biel 2018}) 6... e5 7. Nf5 d5 8. Bg5 {[#]} d4 $1 {[%cal Rd4c3] LiveBook: 4 Games} 9. O-O-O Qa5 $2 (9... Nc6 $15 10. Bxf6 Qxf6) 10. Bxf6 $146 ({Predecessor:} 10. Nd5 Bxf5 11. Bxf6 gxf6 12. Qf3 Be6 13. Qxf6 Nd7 14. Qxh8 {1-0 (41) Peczely,S (2165)-Koczo,K (2265) Hungary 2013}) 10... gxf6 11. Qh5 $1 {Hoping for Nxd4!} Bxf5 (11... b5 $1 $14 12. Nd5 Nd7) 12. Qxf5 {Black must now prevent Rxd4!} Nd7 {[#]} (12... Qc5 $16) 13. Rxd4 $1 $18 {[%csl Gd4][%cal Rf5d7][%mdl 512]} O-O-O (13... Nc5 {might work better.} 14. Rd1 Bg7) (13... exd4 14. Qxa5) 14. Be2 Qb6 15. Rxd7 Rxd7 16. Bg4 Qc6 $2 (16... Qe6 17. Qf3 (17. Qxe6 fxe6 18. Bxe6 Kc7 $18) 17... Qc6) 17. Rd1 {White is clearly winning.} ({Not} 17. Qxd7+ Qxd7 18. Bxd7+ Kxd7 $16) 17... Bh6+ 18. Kb1 Rhd8 {If Black can now play ...Kc7 this consolidates a bit.} 19. Qxh7 Bf8 20. Rxd7 Rxd7 21. Qxf7 Bc5 22. Nd5 {Precision: White = 100%, Black = 19%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Wang, Jason"]
[Black "Baryshpolets, Andrey"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2184"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,86,5,28,14,12,-14,-14,-13,-11,-20,-12,-29,-27,-54,-61,-52,-28,-25,-27,-66,-48,-138,-136,-129,-123,-120,-141,-242,-212,-200,-194,-196,-179,-179,-179,-183,-184,-176,-169,-181,-181,-196,-200,-314,-308,-468,-460,-542,-547,-581,-497,-483,-457,-695,-708,-773,-774,-774,-757]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 Bb4 7. e3 c5 8. Bd3 Qa5 9. Qc2 c4 10. Bf5 O-O 11. O-O Re8 12. a3 Bxc3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 13. Qxc3 Qxc3 14. bxc3 Ne4 15. Bxe4 Rxe4 {LiveBook: 3 Games} (15... dxe4 {looks sharper.} 16. Nd2 b6 17. Rfb1 Ba6 18. Rb4 h6) 16. Nd2 Re6 17. e4 $146 ({Predecessor:} 17. Rfe1 Nb6 18. a4 Bd7 19. a5 Na4 20. Ra3 {0-1 (56) Zilberstein,D-Blatny,P (2525) California 1995}) 17... Nb6 18. Bd8 Na4 19. exd5 Rd6 20. Be7 Rxd5 21. Rfe1 Be6 $36 {[%mdl 2048] Black has the initiative.} 22. Re3 Re8 23. Bh4 $1 Rc8 24. h3 Rb5 25. Rb1 (25. Ne4 $15 Rb3 26. Be7) 25... Rxb1+ $17 26. Nxb1 Bf5 27. Nd2 f6 28. f4 (28. d5 $17) 28... Bd3 29. Kh2 Kf7 (29... Nxc3 30. Nxc4 $1 {[%mdl 512]} Rxc4 31. Rxd3 $17) 30. Be1 Nb6 {aiming for ...Nd5.} ({Much less strong is} 30... Nxc3 31. Nxc4 $1 {[%mdl 512]} Rxc4 32. Rxd3 $17) 31. Ne4 Bxe4 $1 32. Rxe4 $19 {[%mdl 4096] Endgame KRB-KRN} Nd5 33. Kg3 Rc6 34. Re2 Rb6 35. Kf3 Rb3 36. Ke4 {[#]} (36. a4 {was called for.}) 36... Ke6 $1 ({Not} 36... Nxc3+ 37. Bxc3 Rxc3 38. Kd5 $17) 37. Rc2 ({Don't play} 37. f5+ Kd6 $19) (37. Kf3+ {might work better.} Kd6 38. Re8 Nxc3 39. Bxc3 Rxc3+ 40. Ke4) 37... Rxa3 {Black is clearly winning.} 38. g4 b5 39. Bd2 a5 40. f5+ Kd6 41. Rc1 (41. h4 $142) 41... Ra2 42. Be1 Re2+ 43. Kf3 Re3+ {Precision: White = 30%, Black = 93%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Cervantes Landeiro, Thalia"]
[Black "Free, Graham"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2172"]
[BlackElo "1926"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,128,9,0,145,163,156,156,160,164,196,202,220,198,206,199,215,210,239,239,235,210,220,220,217,210,208,201,198,193,185,186,179,172,243,249,242,243,230,229,279,229,222,213,270,254,277,193,472,467,464,448,429,374,427,245,365,0,384,426,389,381,355,214,351,333,254,8,8,111,104,104,95,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Qb3 Na5 8. Bb5+ Bd7 9. Qa4 e6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} 10. Nf3 a6 11. Bxd7+ Nxd7 12. O-O (12. Ne5 b5 13. Qd1 Nxe5 14. Bxe5 Nc4 15. Qe2 Nxe5 16. dxe5 Bb4 17. Rc1 {½-½ (65) Ni,H (2671)-Eljanov,P (2711) Riadh 2017}) 12... b5 13. Qd1 Be7 14. Rc1 {[#] LiveBook: 3 Games. Strongly threatening Nxd5!} O-O $146 {[#]} (14... Rc8 $11 {remains equal.}) ({Predecessor:} 14... Rc8 15. a4 b4 16. Ne2 O-O 17. Qd3 Qb6 18. b3 Qb7 19. h3 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Qxc8 22. Ne5 {½-½ (22) Andeer,S (2438)-Dolgov,I (2522) ICCF email 2012}) 15. Nxd5 $1 $16 {[%mdl 512]} exd5 16. Bc7 Qe8 {White must now prevent ...Nc4.} 17. Bxa5 Bd6 18. Bc7 Qe7 19. Rc6 Bxc7 20. Rxc7 Rfc8 21. Qc2 Qd8 22. Rc1 {[%cal Rc7c8]} Nb6 23. b3 Rxc7 24. Qxc7 Qxc7 25. Rxc7 Rc8 26. Rxc8+ Nxc8 $18 {[%mdl 4096] Endgame KN-KN} 27. Ne5 Kf8 28. b4 Nb6 29. Nd3 Na8 (29... Ke7 $142 30. Nc5 Na4) 30. Nc5 Nc7 31. Kf1 Ke7 32. Ke2 f5 33. f3 g5 34. Kd3 h5 35. e4 f4 36. g3 Kd6 $2 (36... fxg3 37. hxg3 Kd6 38. e5+ Ke7) 37. gxf4 gxf4 38. a3 h4 39. exd5 Kxd5 40. Ne4 (40. h3 $142 Ne8 41. a4 (41. Nxa6 Ng7 $16)) 40... Ke6 (40... Ne8 {is a better defense.} 41. Nc3+ Ke6) 41. Nc5+ Kd5 42. h3 Ne8 43. Nxa6 Ng7 44. Nc7+ Kc6 45. Nxb5 $1 Kxb5 {KN-KP} 46. Ke4 $2 (46. d5 $1 $18) 46... Ne6 $1 $11 47. d5 Ng5+ 48. Kf5 $1 {[%cal Rf5g5]} ({Of course not} 48. Kxf4 $6 Nxh3+ 49. Kg4 Ng1 $11) 48... Nxh3 {[#]} 49. Kg4 ({Better is} 49. a4+ $1 $16 {[%mdl 512]} Kxa4 50. d6) 49... Ng5 {...h3 is the strong threat.The position is equal.} 50. Kxh4 Nxf3+ {KN-K3P} 51. Kg4 Ne5+ 52. Kxf4 Nc4 53. Kf5 Nxa3 {KN-KPP} 54. d6 Kc6 55. Ke6 Nb5 56. d7 Nd4+ 57. Ke5 Nf3+ 58. Ke6 Nd4+ $1 59. Ke7 Nf5+ 60. Kd8 Nd6 61. Ke7 Nb7 62. Ke6 Nd8+ 63. Ke7 Nb7 64. Ke6 Nd8+ {Precision: White = 74%, Black = 56%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Vivekananthan, Anish"]
[Black "Raznikov, Danny"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2132"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,129,-18,4,-2,23,18,16,9,26,25,28,22,28,27,37,-2,5,-10,6,-31,0,1,0,0,6,-45,-38,-48,-39,-38,-28,-64,-17,-22,-29,-81,-67,-63,-39,-50,-54,-51,0,-109,-16,-12,0,-39,-32,-35,-36,-35,-41,-44,-37,-45,0,0,0,0,0,0,0,-31,0,-162,-109,-155,-152,-152,-95,-94,-95,-94,0,0,0,-90,-86,-93,-101,-127,-119,-122,-119,-112,-112,-167,-162,-178,-178,-178,-171,-206,-157,-208,-193,-181,-166,-213,-220,-425,-449,-413,-257,-347,-339,-479,-479,-468,-443,-566,-578,-735,-735,-713,-693,-636,-568,-882,-1126,-605]} 1. b3 d5 2. Bb2 Bg4 3. g3 c5 (3... c6 4. Bg2 Nd7 5. Nf3 Ngf6 6. O-O Bxf3 7. exf3 e6 8. f4 g6 9. d3 Bg7 10. Nd2 O-O 11. Nf3 a5 12. a3 Qc7 13. Ne5 Ne8 14. Re1 {1-0 (39) Nakamura,H (2792)-Navara,D (2737) Saint Louis 2017}) 4. Bg2 Nc6 5. h3 Bf5 $146 ({Vorgänger:} 5... Bh5 6. c4 d4 7. d3 e6 8. Nd2 Qd7 9. Ngf3 f5 10. O-O Nf6 11. a3 {½-½ (37) Breederveld,H (2074)-Tosi,F (2336) ICCF email 2009}) 6. Nf3 {A01: Larsen-Eröffnung} e6 7. O-O Nf6 8. d3 {Die Stellung ist ausgeglichen.} h6 9. Nbd2 Bh7 10. Ne5 Nxe5 11. Bxe5 Be7 12. c4 O-O 13. Qc2 Rc8 14. Rac1 Qd7 15. Qb2 Rfd8 16. Rfd1 b6 17. Nf3 (17. e4 $11) 17... d4 $15 18. Bf4 Nh5 19. Bd2 $1 Bd6 20. b4 e5 21. bxc5 bxc5 22. Ba5 (22. e4 $11 {hält das Gleichgewicht.}) 22... Re8 23. Nd2 Nf6 24. Qb7 Qe6 25. Rb1 Re7 (25... Bf8 $15) 26. Qf3 (26. Qa6 $11) 26... Bf5 (26... e4 $17 27. dxe4 Qd7) 27. g4 $11 Bg6 28. Rb7 e4 29. Rxe7 Bxe7 (29... exf3 $6 30. Rxe6 fxe6 31. Bxf3 $16 (31. Nxf3 Rb8 $14)) 30. dxe4 Qa6 31. Qa3 Bd8 32. Nb3 Nxe4 (32... Bb6 {keeps more tension.} 33. Bb4 Qxa3 34. Bxa3 Nxe4 35. Bxe4 Bxe4 36. f3 Bg6) 33. Bxe4 Bxe4 34. Nxc5 Rxc5 35. Qxc5 Bxa5 36. Qxd4 Qc6 {zielt auf ...Lh1 ab.} 37. Qe5 $2 (37. Qxa7 $11 {und Weiss steht sicher.} Bc7 38. c5) 37... Bb6 (37... Bc7 $19 38. Qb5 Qe6) 38. Qb5 {[#]} Qe6 $1 {[%mdl 1024] Schwarz hat starke Kompensation.} 39. c5 Bc6 ({Besser ist} 39... Bc7 40. Qd7 Qe5) 40. Qb3 $17 Qe4 {[%csl Gc6][%cal Re4h1]} ({Vergiftet wäre} 40... Bxc5 $2 41. Qxe6 fxe6 42. Rc1 $18) 41. Qf3 {Und Dxe4 würde nun gewinnen.} Qa4 $40 {[%mdl 128] Schwarz startet einen Angriff.} ({Bitte nicht} 41... Bxc5 $6 42. Rc1 $11) 42. Qb3 $1 Qe4 {[%csl Gc6][%cal Re4h1]} 43. Qf3 $1 {[%cal Rf3e4] Droht Dxe4 und aus.} Qe8 ({Doch nicht} 43... Bxc5 $6 44. Rc1 $11) 44. Qd3 Bc7 {...De5 ist eine echte Drohung.} 45. Qe3 Qxe3 46. fxe3 Kf8 47. Kf2 Ke7 48. Rd3 {[#]} (48. Rd4 $17 {ist eine bessere Verteidigung.}) 48... Ke6 $1 $19 49. Ra3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 50. Rd3 a4 51. Rd4 Ke7 52. Rb4 (52. Rd2 $17) 52... Kd7 53. e4 Ba5 54. Rd4+ Kc7 55. Kf3 $2 (55. Rc4) 55... Bc3 56. Rd3 Bb4 57. h4 Bxc5 58. g5 (58. Rc3 $142 Kb6 59. Rd3) 58... hxg5 {Schwarz steht klar auf Gewinn.} 59. hxg5 g6 60. Kf4 Bd7 61. Rd5 Kc6 62. Rd2 Be6 63. Rc2 a3 64. Ke5 Kb5 65. Rd2 {Precision: Weiß = 44%, Schwarz = 62%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Noland, Shawn W"]
[Black "Rozman, Levy"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2071"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,68,5,7,-8,0,-59,-39,-34,-16,-9,-25,-22,-10,-27,-30,-29,-46,-41,-40,-33,-42,-83,-43,-103,-24,-50,-1,0,-13,-12,-2,0,0,-45,-11,-126,-134,-217,-214,-266,-252,-224,-219,-550,-543,-611,-595,-500,-503,-744,-726,-732,-721,-735,-727]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 c4 7. Nbd2 Na5 8. Be2 Bd7 {LiveBook: 323 Games} 9. h4 {C02: French: Advance Variation} (9. Rb1 Ne7 10. O-O Qc7 11. Re1 Nc8 12. Nf1 Nb3 13. Bf4 Nb6 14. N3d2 Na5 15. h4 Be7 16. h5 h6 17. Bh2 Ba4 18. Qc1 O-O-O {½-½ (30) Bruzon Batista,L (2673)-Akobian,V (2640) Saint Louis 2018}) 9... Be7 10. g4 $146 (10. Rb1 $11) ({Predecessor:} 10. h5 O-O-O 11. g3 f5 12. Nf1 Nh6 13. Bxh6 gxh6 14. Rb1 Rhg8 15. Nh4 {½-½ (15) Gretarsson,H (2459)-Thorsteinsson,A (2285) Reykjavik 1999}) 10... Nh6 11. Rg1 $1 {Black is slightly better.} f6 (11... Ng8 {seems wilder.} 12. Rb1 O-O-O 13. b4 cxb3 14. c4 dxc4 15. Nxc4 Nxc4 16. Bxc4 Bc6) 12. exf6 gxf6 13. Nxc4 $1 Nxc4 14. Bxc4 dxc4 15. Bxh6 Qxb2 16. Qc1 Qxc1+ 17. Bxc1 Bc6 18. Nd2 Bd5 19. a4 {[#]} (19. Nf1 $15) 19... Bd6 (19... h5 $1 $17 {Threatening ...hxg4.} 20. g5 fxg5 21. hxg5 h4) 20. f3 $11 h5 {aiming for ...hxg4.} 21. Ne4 Bxe4 22. fxe4 hxg4 23. Rxg4 O-O-O 24. Rb1 f5 25. exf5 (25. Rg7 $1 $11) 25... exf5 $17 26. Rg5 (26. Rg1 $17) 26... Rxh4 $19 27. Rxf5 Re8+ 28. Kf2 Rh1 29. Rfb5 $2 {[#]} (29. Rg5 {is a better chance.}) 29... Ree1 {Black is clearly winning.} 30. Rxb7 Rxc1 31. Rxc1 Rh2+ 32. Kf3 Kxb7 33. Ke4 Kc6 34. Rb1 Re2+ {[%mdl 32768] Precision: White = 28%, Black = 33%. . An unexpected result.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Sanchez, Robert"]
[Black "Nakar, Eylon"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1834"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,70,7,6,-9,-6,-17,0,0,-4,-14,0,0,0,-14,-11,-16,-19,-48,-45,-62,-56,-123,-100,-297,-159,-169,-139,-154,-156,-162,-125,-214,-94,-95,-96,-93,-58,-229,-222,-226,-230,-230,-224,-222,-217,-219,-206,-209,-125,-657,-648,-643,-636,-622,-344,-612,-593,-29998,-29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 {LiveBook: 174 Games} 8. h3 {B92: Sicilian Najdorf: 6 Be2} (8. Bg5 Nbd7 9. a4 h6 10. Be3 Ng4 11. Bc1 Ngf6 12. Nd2 Nc5 13. O-O Qc7 14. a5 Be6 15. Re1 O-O 16. Bf3 Rad8 {½-½ (80) So,W (2778)-Vachier Lagrave,M (2789) Stavanger 2018}) 8... O-O 9. g4 $146 ({Predecessor:} 9. O-O h6 10. Re1 b5 11. Bf1 Bb7 12. a4 b4 13. Nd5 Nxd5 14. exd5 Nd7 15. c4 a5 16. Qe2 f5 17. Nd4 {½-½ (48) Bivol,A (2345)-Bodnaruk,A (2459) Khanty-Mansiysk 2015}) 9... Be6 10. g5 {The position is equal.} Nfd7 11. h4 Kh8 12. Be3 Nc6 13. Nd5 Nc5 14. Nd2 f5 15. gxf6 Bxf6 16. Bg4 Bg8 17. Nb3 (17. Kf1 $15) 17... Nxe4 $17 18. Qd3 $2 {[#]} (18. Bf5 $17 {keeps fighting.} Nc5 19. Qh5) 18... Nc5 (18... Nxf2 $1 $19 {[%mdl 512]} 19. Bxf2 (19. Kxf2 e4) 19... e4) 19. Nxc5 dxc5 20. Nxf6 Qxf6 ({Much less strong is} 20... Rxf6 21. Qxd8 Rxd8 22. c3 $17) 21. Bxc5 Rad8 22. Qe3 {[#]} (22. Qg3 $17 Qg6 23. Be2) 22... Rfe8 (22... Qg6 $1 $19 {[%cal Rg6g4]} 23. Bxf8 Qxg4 24. Bxg7+ Qxg7) 23. Qg5 Nd4 24. O-O-O Qxf2 {[%csl Gd4][%cal Rf2c2]} 25. Rd2 $2 {[#]} (25. Bxd4 $1 $15 exd4 26. Rhf1) 25... Qf7 $1 $19 {[%cal Rf7a2]} 26. Bh5 Qxa2 $40 {[%cal Ra2a1][%mdl 128] Black wants a kill.} 27. Rxd4 {Hoping for Rg1.} Rxd4 ({But not} 27... exd4 28. Rg1 $17) 28. Bxd4 Qa1+ 29. Kd2 Qxh1 30. Bxe8 exd4 (30... Qh2+ $19 31. Kc1 exd4) 31. Qd8 $2 {[%mdl 8192]} (31. Bh5 $17) 31... Qg2+ 32. Kd1 Qg1+ 33. Kd2 Qe3+ 34. Kd1 {[#]} d3 $1 35. Ba4 (35. cxd3 Bb3#) 35... Qe2+ {Precision: White = 32%, Black = 57%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "4"]
[White "Huang, Max"]
[Black "Yim, Sung Ho"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1805"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,72,66,119,114,120,93,111,67,77,45,48,35,47,32,62,20,52,33,43,0,0,0,0,0,92,56,85,65,117,0,34,-51,-56,-43,-49,-43,0,-7,0,0,0,-2,17,14,14,0,25,30,27,19,21,21,17,13,16,14,37,37,37,37,152,159,224,206,214,204,220,229,229,141,149,-151,-186,-512,8,8,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,0,0,0,12,0,0,0]} 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. e4 fxe4 7. f3 e5 {A40: Verschiedene (seltene) Antworten auf 1.d4} (7... Nf6 8. Bh6 Qa5 9. Qc2 d6 10. fxe4 Bd7 11. Nf3 Ba4 12. Qb2 Nbd7 13. Bd3 Ng4 14. Bf4 O-O 15. Bg3 {½-½ (84) Bartel,M (2638)-Harikrishna,P (2709) Germany 2013}) 8. Qc2 {LiveBook: 18 Partien} ({Viel schwächer wäre} 8. fxe4 Qh4+ 9. Kd2 (9. g3 Qxe4+ 10. Qe2 Qxe2+ 11. Bxe2 d6 $11) 9... Qxe4 $11) 8... e3 (8... d6 $14) 9. Bxe3 $16 d6 {Weiß steht besser.} 10. Bd3 Qh4+ 11. g3 Qe7 $146 ({Vorgänger:} 11... Qf6 12. Ne2 Qxf3 13. Kd2 Bh3 14. Rhe1 Ne7 15. Nf4 exf4 16. Bxf4 {1-0 (51) Lorenzo de la Riva,L (2436)-Norwood,D (2495) Catalunya 2013}) 12. h4 Nf6 13. Bg5 Nbd7 14. O-O-O Kd8 15. Re1 (15. h5 $5) 15... Kc7 16. h5 gxh5 17. f4 h6 18. Bh4 $1 {Droht Sf3.} Qg7 $1 19. Nf3 {[%cal Rf4e5]} exf4 (19... Ng4 $11 {hält das Gleichgewicht.}) 20. Rhg1 Qf8 21. Re6 Rg8 $1 {[#]} 22. Qd2 (22. Bg6 $1 $16) 22... fxg3 23. Bxg3 (23. Rxg3 $14 Rg4 24. Rxg4 hxg4 25. Bg3 gxf3 26. Bxd6+ Qxd6 27. Rxd6 Kxd6 28. Qf4+ Ke7 29. Bg6) 23... Rxg3 $15 24. Rxg3 Nb6 25. Re1 Bg4 26. Nh4 {Droht Sg6 und aus.} Nfd7 {Weiss sollte ...Se5 verhindern.} 27. Ng6 Qf6 28. Rf1 $1 $132 {[%cal Rf1f6][%mdl 2048] Weiss is not keeping still} Qg7 29. Nf4 {[#] Und Se6+ würde nun gewinnen.} Qe7 30. Re3 Qg5 31. Ne6+ Bxe6 $1 32. Rxe6 Ne5 33. Qxg5 hxg5 34. Re7+ Nbd7 $1 35. Be2 Rh8 36. Rg7 g4 37. Rh1 Rf8 ({Lieber} 37... a6 $14) 38. Rxh5 $16 Kb6 (38... a5 $16 {ist wohl besser.} 39. Bxg4 Nxg4) 39. Rhh7 $18 g3 40. Rxg3 ({Lieber nicht} 40. Rxd7 Nxd7 41. Rg7 (41. Rxd7 $2 g2 $19) 41... Rh8 $17) 40... Rf2 41. Kd1 Nf6 42. Re7 {zielt auf Tgg7 ab.} Ne4 43. Rgg7 $2 {[%mdl 8192]} (43. Re3 $16 {und es läuft.} Rf4 44. Kc2) 43... Nxc3+ $17 44. Kc2 $2 (44. Kd2 {nur so!} Nxe2 45. Rxb7+ Ka5 46. Rb5+ Ka6 47. Ke1 Nd3+ 48. Kd2) 44... Rxe2+ $2 ({Besser ist} 44... Nxe2 $19 45. Rxb7+ Ka5 46. Rb5+ Ka6) 45. Kxc3 $19 {[%mdl 4096] Endspiel KTT-KTS} a6 (45... Re3+ {feels hotter.} 46. Kc2 Ka5 47. Re6 Kb4 48. Rxb7+ Kxc4 49. Rxa7 Kxd5 50. Rh6 Re2+) 46. Rxb7+ Ka5 {Die Stellung ist ausgeglichen.} 47. Rg8 Re3+ 48. Kc2 Re2+ 49. Kc3 Re3+ 50. Kc2 Re2+ 51. Kc3 Re3+ 52. Kc2 Nxc4 53. Ra8 Na3+ 54. Kd2 Re5 55. Rba7 Rxd5+ 56. Kc1 Kb4 57. Rb8+ Ka5 58. Rba8 Kb4 59. Rb8+ Ka5 60. Rba8 {Precision: Weiß = 46%, Schwarz = 52%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Xiong, Jeffery"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2650"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,89,17,14,16,23,17,18,20,27,35,37,17,20,12,15,-14,14,13,14,14,20,14,14,19,14,14,14,0,17,0,5,0,0,0,14,14,14,14,21,14,18,14,14,14,19,14,27,31,32,33,33,32,32,15,31,21,18,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 4. e4 d6 5. Bd3 Nc6 6. O-O O-O 7. c3 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Nc4 Nh5 11. g3 {B07: Pirc Defence: Miscellaneous Systems} Qe7 {LiveBook: 7 Games} 12. Qe2 (12. b3 Rd8 13. Qe2 Bh3 14. Rd1 Qf6 15. f3 Bf8 16. Ne3 Bc5 17. Kh1 c6 18. b4 Bb6 {½-½ (62) Duran Vega,S (2360)-Espinosa Veloz,E (2544) Santa Clara 2018}) 12... Rd8 13. Rd1 {White has an edge.} Be6 14. Be3 Bf6 $146 ({Predecessor:} 14... a5 15. a4 Nf6 16. f3 Nd7 17. Kg2 h5 18. Nd2 h4 {½-½ (32) Jung,R-Shepherd,C ICCF email 2012}) 15. Na5 c6 16. b4 Ng7 17. Rd2 Qc7 18. Rad1 b6 19. Nc4 Rd7 20. a4 Rad8 21. Bc2 Rxd2 22. Rxd2 Rxd2 23. Nxd2 Be7 24. Bd3 h5 25. Bc4 h4 26. Bxe6 Nxe6 27. Nf3 hxg3 28. hxg3 Bf8 29. Qd3 Kh7 30. Qf1 Bg7 31. Kh2 Bf8 32. Kg2 Bg7 33. Qd1 Bf8 34. Nh2 Bg7 35. Qd3 Bf8 36. Ng4 Bg7 37. Kg1 Kg8 38. Nh2 Kh7 {The position is equal.} 39. Nf3 Bh6 40. Nh2 Bxe3 41. Qxe3 Qd7 42. Kg2 {Black should prevent Ng4.} Kg7 43. a5 c5 44. Nf3 f6 45. axb6 {Precision: White = 52%, Black = 67%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Baryshpolets, Andrey"]
[Black "Li, Ben"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2609"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,65,0,28,19,41,26,22,16,18,17,24,18,25,29,106,104,99,91,104,106,156,127,154,152,143,152,254,200,203,212,213,218,198,181,183,170,276,216,230,211,452,440,513,512,633,629]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 d4 5. O-O c5 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 {A13: English Opening: 1...e6} 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2 O-O {LiveBook: 4 Games} (11... Qe7 12. Rc1 O-O 13. Re1 Rd8 14. Qc2 a5 15. c5 Bc7 16. a3 {½-½ (41) Oparin,G (2587)-Matlakov,M (2699) Yaroslavl 2018}) 12. Ne4 Qe7 13. Nxd6 Qxd6 14. Re1 Bd7 $146 ({Predecessor:} 14... e5 15. b4 Bg4 16. b5 {1-0 (40) Reuker,J (2377)-Furman,B (2214) Pardubice 2018}) 15. a3 a5 16. Rc1 b6 17. Nd2 e5 (17... Rab8 $11 {keeps the balance.}) 18. c5 $36 {[%mdl 2048] White is on the roll.} bxc5 19. Ne4 Qg6 20. Nxc5 Bf5 21. h3 {[#] Hoping for g4.} h5 22. Bxc6 Qxc6 23. Qxh5 g6 (23... Bc8 $16 {keeps fighting.} 24. Ne4 (24. Rxe5 Bb7 $16) 24... Qe6) 24. Qh6 Qf6 25. g4 Bc8 26. Ne4 {[%cal Re4f6]} Qg7 27. Qxg7+ Kxg7 28. Nd6 f6 (28... Rd8 $142) 29. Rc7+ Kg8 {[#]} 30. f4 $1 {[%cal Rf4e5]} Rd8 $2 (30... Ba6 31. fxe5 fxe5) 31. fxe5 $18 {White is clearly winning.} (31. Rxc8 Rdxc8 32. Nxc8 Rxc8 $18) 31... fxe5 32. Rxe5 Bxg4 33. Ne4 {Precision: White = 89%, Black = 41%.} ({Less strong is} 33. hxg4 Rxd6 34. Rb7 Kf8 $18) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Shtembuliak, Evgeny"]
[Black "Popilski, Gil"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2518"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,40,-7,0,7,8,-4,-12,-9,-7,-22,-4,-4,-3,-11,-11,-12,-5,-8,-8,-6,4,0,0,0,0,0,12]} 1. c4 g6 2. Nf3 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nc3 d6 6. O-O Bf5 7. d3 {A37: Englische Eröffnung (Symmetrische Variante)} (7. h3 Qd7 8. Kh2 Nf6 9. d3 h6 10. e4 Be6 11. Be3 g5 12. Ng1 g4 13. h4 O-O 14. Nge2 Qd8 {0-1 (55) Caruana,F (2822)-So,W (2778) Stavanger 2018}) 7... Qd7 8. Bd2 Nf6 {LiveBook: 6 Partien. Die Stellung ist ausgeglichen.} 9. Rb1 Bh3 10. Nd5 {Und Lxh3 würde nun gewinnen.} Bxg2 11. Kxg2 O-O 12. Nxf6+ $146 ({Vorgänger:} 12. a3 e6 13. Nxf6+ Bxf6 14. b4 b6 {½-½ (34) Demirag,B (1992)-Zor,A (2150) Antalya 2018}) 12... Bxf6 13. b4 cxb4 14. Bxb4 d5 15. Qb3 dxc4 16. Qxc4 Rac8 {[#] Weiss muss nun ...Sd4 beachten.} 17. Qe4 Rc7 18. Rfc1 Rfc8 19. Bd2 Nd8 20. Rxc7 Rxc7 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Berczes, David"]
[Black "Kovalyov, Anton"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2501"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,74,0,0,0,0,0,7,-10,8,14,7,10,27,-1,0,0,8,11,12,9,12,0,0,0,0,0,0,-15,-11,-10,0,-101,-73,-83,-50,-232,-231,-225,-204,-224,-231,-296,-275,-247,-214,-219,0,-356,-343,-517,-552,-838,-820]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nc3 Nbd7 8. Qd3 b6 9. e4 Ba6 10. b3 dxc4 {E07: Katalanisch} (10... Rc8 11. Rd1 h6 12. e5 Nh7 13. Qc2 Qc7 14. Ne2 Rfd8 15. Nf4 Ng5 16. Nxg5 Bxg5 17. h4 Be7 18. Bb2 Nf8 19. Rac1 {1-0 (68) Anand,V (2770)-Anton Guijarro,D (2627) Leon 2016}) 11. bxc4 e5 12. Rd1 Qc7 {LiveBook: 3 Partien. Die Stellung ist ausgeglichen.} 13. Ne2 $146 ({Vorgänger:} 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Bf4 Qh5 16. h3 Rad8 17. Qc2 Bxc4 18. Rxd8 Rxd8 {0-1 (41) Soppe,G (2427)-Zambrana,O (2473) Asuncion 2009}) 13... Rad8 14. Qc2 Rfe8 15. Bb2 {[%cal Rd4e5]} Bd6 16. Nh4 g6 17. Rac1 Be7 18. h3 Nh5 19. Nf3 {[%cal Rf3e5]} exd4 20. Nfxd4 Ne5 21. Qa4 Qb7 22. Nf5 Rxd1+ $1 23. Rxd1 Bf8 24. Ne3 Bxc4 25. Nxc4 b5 26. Na5 Qb6 27. Qd4 (27. Qc2 $11 Qxa5 28. Bxe5 Rxe5 29. Qxc6) 27... Qxa5 $17 28. f4 b4 $36 {[%mdl 2048] Weiss steht unter Druck.} 29. Kh2 $2 {[#]} (29. Rc1 $1 $15 Qb5 30. fxe5 Qxe2 31. e6) 29... Bc5 $19 30. Qd2 Nc4 31. Qd7 Rf8 32. Ba1 Qxa2 33. Bf3 Ne3 34. Rc1 Bb6 $2 {[#]} (34... b3 $19 {...Lb6 ist eine echte Drohung.} 35. Qd3 Nc2) 35. Be5 $2 {[%mdl 8192]} (35. Qxc6 $11 {und Weiss steht sicher.} Qe6 36. Qb5) 35... Nc4 {[%cal Be3c4,Bc4d2,Bd2b3][%mdl 32]} 36. Ba1 (36. Qxc6 $142 Nxe5 37. fxe5) 36... Nd2 37. Bg2 Nb3 {Precision: Weiß = 51%, Schwarz = 78%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Raznikov, Danny"]
[Black "Sadorra, Julio Catalino"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2498"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,17,23,30,29,22,19,27,45,29,34,29,52,45,35,40,50,36,47,32,51,26,29,35,29,0,58,0,0,0,0,0,0,0,0,0,37,45,59,52,44,50,41,39,39,48,70,70,71,16,16,0,0,-29990,-29991,-29994,-29995,-29998,-29999]} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bxd6 Qxd6 6. c4 O-O 7. Nc3 b6 8. cxd5 exd5 9. Rc1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} a6 {LiveBook: 5 Games} 10. g3 (10. Bd3 c5 11. dxc5 bxc5 12. O-O Bb7 13. Qb3 Bc6 {1-0 (72) Fedoseev,V (2718)-Akobian,V (2647) Riadh 2017}) 10... Nbd7 $146 ({Predecessor:} 10... Bb7 11. Bh3 c5 12. O-O c4 13. a4 Nc6 14. b3 cxb3 {½-½ (56) Saric,A (2529)-Blazeka,M (2304) Zagreb 2014}) 11. Bg2 {White has an edge.} Bb7 12. O-O Rac8 13. Qa4 c5 14. dxc5 Nxc5 15. Qd4 Ne6 16. Qd2 b5 17. Ne2 Ne4 18. Qa5 N6c5 19. Rfd1 Qf6 20. b3 Ne6 {[%cal Bc5e6,Be6g5,Bg5f3][%mdl 32]} 21. Rxc8 Bxc8 (21... Rxc8 $11 22. Qb6 Rc2 23. Qxb7 Rxe2 24. Qb8+ Nf8) 22. Qa3 (22. Qe1 $14) 22... N6g5 $11 23. Nf4 {Black must now prevent Nxg5.} Nxf3+ 24. Bxf3 g5 25. Rxd5 gxf4 26. Bxe4 fxe3 27. fxe3 Bh3 {[%csl Gh3][%cal Rf6f1]} 28. Qc1 $1 Re8 29. Bg2 Rc8 30. Qd1 Be6 31. Rd4 a5 32. Bd5 Qe5 33. Qd2 (33. Kf2 $16) 33... Bf5 {next ...Rc2 is good for Black.} 34. e4 Bh3 $40 {[%mdl 128] Black has some attack.} 35. Bb7 $2 {[%mdl 8192] [#]} (35. Rd3 $11) 35... Qf6 $1 {[%csl Gh3][%cal Rf6f1][%mdl 512] Black mates.} 36. Qd1 {[#]} Rc2 $1 {[%mdl 512]} 37. e5 (37. Qxc2 Qf1#) 37... Qf2+ {Precision: White = 59%, Black = 67%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Reshef, Omer"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2497"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,22,16,19,1,1,4,29,17,24,10,53,62,62,62,75,61,64,20,88,68,41,51,43,35,29,22,64,53,30,23,35,42,48,0,100,100,85,88,305,314,314,311,304,291,301,250,385,385,375,383,380,354,377,379]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 Nd4 6. Nxd4 cxd4 7. c3 a6 8. Bf1 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Nc6 9. a4 {LiveBook: 3 Games} Be7 (9... Bc5 10. b4 Bb6 11. Na3 O-O 12. Nc4 Bc7 13. cxd4 d5 14. exd5 Qxd5 15. Ba3 Nxd4 {½-½ (56) Ragger,M (2657)-Fedorov,A (2573) Katowice 2017}) 10. Na3 {The position is equal.} O-O 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} d5 $146 ({Predecessor:} 11... dxc3 12. dxc3 Bf6 13. Qb3 d5 {½-½ (35) Babic,D (2463)-Wenzel,S (2436) GER email 2016}) 12. b5 Na5 13. exd5 exd5 14. cxd4 Bf6 15. Bb2 Qb6 16. Nc2 axb5 17. Bxb5 Nb3 (17... Bf5 $11) 18. Ne3 Nxa1 19. Nxd5 Qd8 20. Nxf6+ Qxf6 21. Qxa1 Rd8 22. d5 Qh6 $1 23. Re3 Bf5 24. Qe1 Qd6 25. Re5 Bd7 {[#]} (25... Bc2 $11 {keeps the balance.}) 26. Bxd7 $1 $16 Qxd7 27. Rg5 $36 {[%mdl 2048] White is really pushing.} f6 $2 (27... Re8 $16 28. Rxg7+ Kf8) 28. Bxf6 $1 $18 Re8 {[%cal Re8e1]} 29. Qb1 Re7 30. Bxe7 Qxe7 31. Rg4 Qe2 (31... Qd7 $142) 32. h3 {White is winning.} Rf8 33. f3 Qxd2 34. Qa1 {[%csl Gg4][%cal Ra1g7] [#]} g6 35. Qe5 {Precision: White = 61%, Black = 47%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Drozdowski, Kacper"]
[Black "Wheeler, Cameron"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2489"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,83,27,28,4,22,0,0,-4,-7,-15,-5,-20,0,0,0,6,25,-16,0,-12,-15,-14,0,0,0,-25,-18,-22,-7,-52,-19,-119,-104,-107,-79,-180,-192,-226,-162,-1433,-277,-1433,-1414,-12836,-12836,-12837,-12837,-12837,-11090,-5476,-2842,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29980,-29983,-29984,-29989,-29990,-29991,-29990,-29997]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4 e4 {A28: English Opening: Four Knights Variation} (8... Bd7 9. O-O Qe7 10. e4 O-O 11. Re1 Nxd4 12. Nxd4 exd4 13. Bxd7 Qxd7 14. cxd4 Bb4 15. Re3 Rad8 16. Bb2 Bc5 17. Rd3 {0-1 (66) Howell,D (2676)-Malakhov,V (2686) Riadh 2017}) 9. Nd2 Qg5 10. Bf1 Qg6 {LiveBook: 10 Games. White has an edge.} 11. Qb3 O-O 12. Ba3 (12. h4 {feels hotter.} h5 13. Qb5 f5 14. Nc4 Be7 15. Qb3) 12... Na5 13. Qa4 {Threatens to win with Bxd6.} Bxa3 $146 ({Predecessor:} 13... b6 14. Bxd6 cxd6 15. c4 f5 16. g3 {1-0 (36) Amin,A (2293)-Sayed,H (2043) Assiut 2008}) 14. Qxa3 b6 15. c4 f5 16. g3 {[#]} c5 $1 {[%mdl 512]} 17. d5 (17. dxc5 Be6) 17... Nb7 18. Bg2 Nd6 19. O-O Bd7 20. Qc3 Rae8 21. Qa3 Ra8 22. Qb2 Rf6 23. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qh5 24. a5 b5 {aiming for ...Rh6.} 25. cxb5 {[#]} (25. Rfc1 $11 {keeps the balance.}) 25... Rh6 $1 $17 {[%csl Gh6][%cal Rh5h2]} ({Of course not} 25... Bxb5 $6 26. Rfc1 $11) 26. h4 {[#] Strongly threatening Rfc1.} g5 $1 {[%cal Bg7g5,Bg5h4,Bh4g3][%mdl 32]} 27. Rfc1 (27. b6 $17 gxh4 28. Rfb1 (28. b7 $2 Rb8 $19)) 27... gxh4 $19 28. Rxc5 hxg3 $40 {[%mdl 128] ...Qh2+ is the strong threat. Black is out for blood.} 29. Qe5 $2 (29. Nf1 gxf2+ 30. Qxf2) 29... Qh2+ 30. Kf1 f4 ({Weaker is} 30... gxf2 31. Qxh2 Rxh2 32. Kxf2 $15) 31. Nxe4 Nxe4 32. Qxe4 {[#]} f3 $1 {[%mdl 512]} 33. Qxf3 Rf8 34. Qxf8+ Kxf8 35. b6 Rf6 {Black mates.} 36. f4 Bh3 37. b7 Qxg2+ 38. Ke1 Qf2+ 39. Kd1 Qb2 40. Rc8+ Kg7 41. Rc7+ Kh6 42. Ke1 {Precision: White = 35%, Black = 68%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Patel, Advait"]
[Black "Guo, Arthur"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2475"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,65,-17,-29,0,-57,-38,-98,-84,-94,-95,-97,-31,-31,-47,-53,-53,-52,-60,-56,-54,-63,-27,-30,0,0,44,0,100,113,174,187,170,166,646,624,610,633,576,312,720,672,651,673,687,665]} 1. Nf3 Nf6 2. g3 e6 3. Bg2 b6 4. O-O Bb7 5. d3 d5 6. Nbd2 c5 7. e4 Be7 8. Re1 Nc6 9. e5 Nd7 10. c4 d4 11. Nf1 {C00: Französische Verteidigung (Seltene Züge)} (11. h4 h6 12. Nf1 Qc7 13. Qe2 O-O-O 14. Bd2 Rdg8 15. N1h2 g5 16. hxg5 hxg5 17. Ng4 Rh5 18. a3 Rgh8 {0-1 (41) Salgado Lopez,I (2641)-Salomon,J (2487) Dubai 2017}) 11... Qc7 12. Qe2 {LiveBook: 3 Partien} O-O-O 13. a3 ({Besser ist} 13. h4 $1 $11) 13... h6 $15 14. Bd2 (14. b4 $15) 14... g5 $17 {Droht ...g4 und aus.} 15. h3 a5 $146 {[%cal Ba7a5,Ba5b4][%mdl 32]} ({Vorgänger:} 15... Bf8) 16. g4 Bf8 ({Günstiger ist} 16... h5 $17) 17. Ng3 $15 Bg7 {[%cal Rd7e5]} 18. b4 axb4 ({Ein No Go ist} 18... Ndxe5 $6 19. bxc5 Nxf3+ 20. Bxf3 $16) 19. Nh5 Bf8 20. Ra2 {[%cal Ba1a2,Ba2b2,Bb2b3,Bb3a3,Ba3a5,Ba5b5][%mdl 32]} Be7 21. Rea1 b3 ({Jedoch nicht} 21... Ncxe5 $2 22. axb4 Bxf3 23. Bxf3 $18) 22. Rb2 Ndxe5 23. Rxb3 Nd7 24. a4 Nb4 {[#]} (24... Rdf8 $1 $11) 25. a5 $1 $16 {[%mdl 512]} bxa5 (25... Nb8 $16) 26. Rba3 $18 Nb8 {...S8c6 ist eine echte Drohung.} 27. Rxa5 N8c6 $2 (27... N4c6) 28. Rb5 Bd6 29. Bxb4 cxb4 30. Kh1 Bf4 $2 (30... Rd7 31. Nf6 Re7) 31. Nxf4 {Weiß steht klar auf Gewinn.} gxf4 32. Ne5 Rd6 33. c5 {Precision: Weiß = 70%, Schwarz = 40%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Nakar, Eylon"]
[Black "Vorontsov, Pavlo"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2461"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,139,50,45,57,51,62,52,54,55,65,60,60,55,72,67,69,34,52,68,69,68,65,67,72,56,54,58,102,100,96,88,215,197,187,200,213,225,366,368,470,450,558,370,384,379,364,368,364,356,368,379,354,329,330,330,334,324,434,398,440,364,445,448,756,772,707,337,385,373,481,349,327,339,416,412,400,314,439,235,341,0,384,318,451,448,448,451,444,422,370,183,183,183,191,154,154,133,176,164,215,199,587,572,533,454,422,257,257,257,257,227,397,257,400,279,868,804,1079,279,435,419,5181,650,29953,29954,29971,29969]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. d4 Bg7 6. dxc5 {B31: Sizilianisch (Rossolimo-Variante)} Qa5+ 7. Nbd2 Ba6 8. Rb1 {LiveBook: 4 Partien. Weiß steht etwas besser.} Rb8 $146 ({Vorgänger:} 8... Qxa2 9. b4 Rb8 10. Rb3 Bb5 11. Ra3 Qe6 12. c4 Nf6 13. cxb5 Nxe4 14. Re3 f5 15. O-O Rxb5 16. Nxe4 fxe4 17. Nd4 {1-0 (17) Artemiev,V (2692)-Potapov,P (2479) St Petersburg 2017}) 9. a3 $1 Qxc5 10. b4 Qb6 11. c4 Nh6 12. O-O O-O 13. Qc2 d6 14. Nb3 Qc7 15. Re1 Ng4 16. h3 Ne5 17. Nxe5 Bxe5 18. Be3 Bc8 19. Rbc1 c5 20. bxc5 dxc5 21. Nxc5 {[%cal Bb3c5,Bc5d3,Bd3b4,Bb4d5,Bd5e7][%mdl 32]} Rb2 22. Qa4 Bd6 (22... f5 $16) 23. Nd3 $18 Bd7 24. Qd1 Ra2 25. Nb4 Rxa3 (25... Bxb4 $142 26. axb4 Rb8) 26. Nd5 Qb8 27. c5 Ba4 28. Qf3 (28. cxd6 Bxd1 29. dxe7 {[#]} Rxe3 $1 $16 {[%mdl 512]}) 28... Bh2+ 29. Kh1 Be5 30. Nxe7+ Kh8 31. c6 Qd6 32. c7 Qxe7 33. c8=Q Rxc8 34. Rxc8+ Kg7 35. Qe2 Qd7 36. Rc5 f6 37. Ra5 Bb8 38. Qd2 Rd3 (38... Qxd2 $142 39. Bxd2 Rd3 40. Rxa4 Rxd2) 39. Qb4 ({Schlechter ist} 39. Bh6+ Kf7 $11) 39... Rd1 40. Rd5 (40. Qxb8 $142 {jetzt Txd1 und aus.} Rxe1+ 41. Kh2) 40... Rxe1+ 41. Qxe1 Qc7 {[%csl Gb8][%cal Rc7h2] [#]} 42. f4 Bc6 43. Rd4 a5 44. Rc4 Qb7 45. Bc1 Bb5 46. Rc5 (46. Rc2 $142) 46... Bc6 (46... Bd6 $142 47. Rc2 Bd3) 47. Rc4 ({Schwächer ist} 47. Qxa5 Bxe4 48. Qd2 Ba7 $16) 47... Bb5 $1 {[%cal Rb5c4]} 48. Rd4 Bc6 (48... Qa7 $142 49. Bb2 Bxf4) 49. Qxa5 Bxe4 50. Qd2 Bc6 51. Rb4 Qc8 {Weiss muss nun ...Dxh3+ beachten.} 52. Qe3 (52. Kh2 $142) 52... Bd6 53. Rb3 Bc5 54. Qd2 Qe6 55. Rg3 Qe4 56. Bb2 Qc4 (56... Bb6 $142 57. Rb3 Ba5) 57. Qc1 Qd5 $2 (57... Qxc1+ {leistet mehr Widerstand.} 58. Bxc1 Be4) 58. Rg5 Qb3 {[%cal Rb3h3]} 59. Qxc5 Qxb2 {[%mdl 4096] Endspiel KDT-KDL} 60. Rg3 ({Und nicht} 60. Qxc6 fxg5 61. fxg5 Qa1+ 62. Kh2 Qe5+ 63. g3 Qxg5 $11) 60... Qb1+ 61. Kh2 Qe4 62. Qf2 Qd5 $2 (62... Bd5 63. Ra3 Qc4) 63. Rc3 h5 (63... Qe4 {war einen Versuch wert.} 64. Rc2 Qa4) 64. Rc2 Qe4 $2 (64... Be8 65. Qa7+ Bf7) 65. Re2 Qb4 66. Qe3 $2 (66. Qa7+ Kh6 67. Qc7) 66... Kf8 (66... Bd5 $142 67. Rd2 Qc4 68. Qa7+ Kh8) 67. Rc2 Qd6 (67... Bd7 $142 68. Rc5 h4) 68. Rd2 (68. Qb6 $142 Qxf4+ 69. g3) 68... Qc7 69. Qc5+ Kg7 70. Rd6 {Precision: Weiß = 68%, Schwarz = 34%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Javakhadze, Zurab"]
[Black "Wang, Justin"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2438"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,118,0,0,6,0,43,41,39,-13,-14,-15,0,-21,32,39,29,27,20,29,43,36,23,37,32,34,31,30,35,0,68,52,75,76,103,101,105,101,101,81,105,105,97,91,107,97,100,97,100,95,96,95,103,73,63,31,85,25,67,45,111,108,158,155,153,146,227,137,400,408,419,415,406,397,381,365,600,597,601,588,681,667,627,442,628,610,783,722,896,904,859,778,29988,1384,29989,29986,29988,29980,29987,7355,29971,29974,29974,29975,29987,29988,29992]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. O-O Nbd7 (5... c5 6. Na3 Be7 7. Nxc4 Nc6 8. b3 O-O 9. Bb2 Bd7 10. d4 cxd4 11. Nxd4 Rc8 12. Nb5 a6 13. Nbd6 Rc7 14. Rc1 Qb8 15. e4 b5 16. e5 Nd5 17. Bxd5 exd5 {1-0 (31) Wei,Y (2743)-Yu,Y (2751) Shenzhen 2017}) 6. Na3 {A13: English Opening: 1...e6} Bxa3 7. bxa3 O-O 8. Qc2 {LiveBook: 14 Games. The position is equal.} Rb8 9. a4 b6 $146 ({Predecessor:} 9... a6 10. Rb1 c5 11. Qxc4 Qa5 12. d4 b5 13. axb5 axb5 14. Qb3 c4 15. Qa3 Ra8 {½-½ (15) Sanjay,N (2331)-Satyapragyan,S (2436) Panaji 2012}) 10. Nd4 {[#] Black must now prevent Nc6.} Bb7 11. Nc6 (11. Bxb7 $14 Rxb7 12. Nc6) 11... Bxc6 $1 $11 12. Bxc6 Ne5 13. Bg2 a6 (13... Qd6 $11) 14. Bb2 Qd6 15. Qc3 Ned7 16. Qxc4 Qxd2 17. Bc3 Qd6 18. Qxa6 Nd5 19. Bb2 Ra8 20. Qc4 Qc5 21. Qd3 $40 {[%mdl 128] Black needs to defend precisely.} Qa5 (21... Rxa4 $11 22. e4 N5f6) 22. Rfc1 $14 Rac8 23. Qb5 Qxb5 24. axb5 Rfd8 25. Bd4 N7f6 26. a4 Kf8 27. Rc4 Ne8 28. Rac1 Ne7 29. e3 f6 30. f4 Rb8 31. g4 Rd7 32. Kf2 Kf7 33. Ke2 Rbd8 34. R4c2 Kg8 ({Black should play} 34... Nd5 $14) 35. Bb2 (35. Be4 $16) 35... Kf7 36. Be4 h6 {[#]} (36... Nd5 $14) 37. h4 $1 $16 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nd5 38. h5 Kg8 39. Ba3 Ra8 (39... Ne7 $16 40. Kf2 Nd6) 40. Rc6 Rxa4 $2 {[%mdl 8192]} (40... f5 $16 41. gxf5 Rxa4 42. fxe6 Nxf4+ 43. Kf3 Rd2) 41. Rxe6 $18 Kf7 42. Bxd5 Rxd5 43. Re7+ Kf8 44. Rd7+ Rxa3 $2 (44... Nd6) 45. Rxd5 {[%mdl 4096] Endgame KRR-KRN} Ke7 46. Rc4 {Re4+ is the strong threat.} Ke6 47. Rd8 Ke7 48. Rd2 Kf8 (48... Ra8 $142 49. Kf3 Rc8 50. Re4+ Kf8) 49. Rd7 f5 50. gxf5 Nf6 51. Rd3 Ra2+ 52. Kf3 Kg8 53. Rxc7 (53. Rd8+ $142 Kh7 54. Rxc7 Ne8 55. Rcc8 Kg8 56. Rxe8+ Kf7 57. Re6 Ra7 58. Rxb6) 53... Kh7 54. Rc8 Nd7 55. Rd6 Rh2 56. Re6 (56. Rc7 $142 Nf8 57. f6 Rh3+ 58. Ke4 Rg3 59. fxg7 Rxg7 60. Rxg7+ Kxg7 61. Rxb6) 56... Nf6 57. Rxb6 {White mates.} Nd7 58. Re6 Nf6 59. b6 Rh3+ {Precision: White = 73%, Black = 34%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Ostrovskiy, Aleksandr"]
[Black "Checa, Nicolas"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2425"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,0,0,0,0,-5,-8,-18,-6,-17,-22,-21,-6,-10,0,-20,5,0,5,0,2,9,24,17,18,14,28,22,22,0,31,32,31,14,14,14,14,16,52,45,50,13,35,17,18,19,21,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nf3 c6 3. Nc3 d5 4. e3 a6 5. Qc2 (5. d4 Bf5 6. Qb3 b5 7. c5 a5 8. Ne5 a4 9. Qd1 g6 10. Be2 Bg7 11. O-O O-O 12. g4 Be6 13. f3 Nfd7 14. Nd3 {½-½ (41) Navara,D (2727)-Eljanov,P (2702) Brest 2018}) 5... g6 6. d4 {A11: English Opening: 1...c6} Bf5 7. Bd3 Bxd3 8. Qxd3 Bg7 9. O-O O-O 10. e4 dxe4 {LiveBook: 3 Games} 11. Nxe4 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 12. Nxf6+ exf6 $146 ({Predecessor:} 12... Nxf6) 13. Qc2 Re8 14. Bf4 f5 15. Rfe1 Rxe1+ 16. Rxe1 Nf8 17. Be5 Ne6 18. Bxg7 Kxg7 19. Rd1 Qd6 20. d5 cxd5 21. Rxd5 Qe7 22. Qd2 Rd8 23. g3 Qf6 24. Rxd8 (24. b4 {is interesting.} Rc8 25. Ne5 f4 26. Qc1 Ng5 27. Kf1) 24... Qxd8 (24... Nxd8 {seems wilder.} 25. b4 Ne6 26. c5 Qa1+ 27. Kg2 Qb1) 25. Qxd8 Nxd8 $11 {[%mdl 4096] Endgame KN-KN} 26. Ne5 Kf6 27. f4 Ke6 28. Kf2 Kd6 29. Ke3 f6 30. Nd3 (30. Nf3 {looks sharper.} Kc5 31. Kd3 Ne6 32. a3 a5 33. Kc3) 30... a5 31. b3 Ne6 {The position is equal.} 32. a3 Kc6 33. b4 axb4 $1 34. axb4 b5 35. Nb2 bxc4 36. Nxc4 Kb5 37. Nd6+ Kxb4 38. Ne8 {Precision: White = 58%, Black = 65%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Rozman, Levy"]
[Black "Daggupati, Balaji"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2421"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "179"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,179,14,15,4,2,-6,10,0,0,0,0,-4,0,0,0,0,41,7,0,0,69,29,31,25,44,44,41,35,36,27,39,0,0,0,0,0,14,4,27,0,66,61,59,59,60,62,61,68,79,85,210,209,211,214,182,77,112,93,144,79,109,107,93,94,98,102,89,86,95,97,280,289,274,278,253,101,95,90,298,283,684,675,661,620,554,545,2910,1798,29987,29988,29991,29992,29992,29991,29991,0,29992,891,5635,5631,1608,1218,1174,1168,1084,1058,957,894,29961,29958,12812,371,1081,554,484,443,443,443,443,443,443,443,619,443,443,421,348,0,118,118,443,443,443,443,443,0,443,443,1294,443,443,443,443,443,443,443,443,443,443,8,14,8,443,118,118,118,443,-29989,29995,-29985]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. cxd5 exd5 6. O-O c6 7. d3 Bd6 8. h3 Bh5 9. e4 Ne7 10. Nc3 O-O {A11: English Opening: 1...c6} 11. g4 (11. Qc2 Rc8 12. Ne2 f6 13. Nf4 Bf7 14. Nd4 Re8 15. Rd1 Qb6 16. Nb3 d4 17. Nd2 Qa6 18. b3 {1-0 (43) Movsesian,S (2658)-Brunello,S (2553) Douglas 2015}) 11... Bg6 {LiveBook: 3 Games} 12. Nh4 dxe4 {The position is equal.} 13. dxe4 Qc7 14. f4 $146 {Threatens to win with f5.} ({Predecessor:} 14. Nf5 Bxf5 15. exf5 Rad8 {1-0 (32) Obukhov,A (2453)-Palekha,A (2409) St Petersburg 2002}) 14... f6 15. Be3 Bf7 16. Qe2 Bc5 17. Rad1 a5 18. b3 b5 19. Kh1 Bxe3 20. Qxe3 Ra7 (20... Rad8 $11) 21. Nf5 Nxf5 22. exf5 Nb6 {[%cal Bd7b6,Bb6d5,Bd5c3][%mdl 32]} 23. Rc1 Qb8 24. Bxc6 Rc7 $1 {[%cal Rc7c6]} 25. Bg2 b4 26. Ne4 (26. Ne2 {is interesting.} Nd5 27. Qf2 Nc3 28. Nxc3 Rxc3 29. Rcd1) 26... Nd5 27. Qd2 Rxc1 28. Qxc1 Rc8 29. Qd2 $1 Nc3 30. g5 (30. Rc1 $5 {[%cal Re4c3]}) 30... Qb5 (30... Rd8 $11 31. Qc2 Nxe4 32. Bxe4 Qd6) 31. Rc1 $1 $36 {[%mdl 2048] White has the initiative.} Qxf5 32. Nxc3 bxc3 33. Rxc3 Re8 34. Rg3 Qb1+ 35. Kh2 {gxf6 is the strong threat.} f5 (35... Qf5 $16) 36. Qxa5 $18 Re2 37. Qd8+ Be8 38. a4 (38. Qd5+ $1 $18 {is more deadly.} Bf7 39. Qa8+ Re8 40. Qa7) 38... Qe4 $16 39. Qb8 {Hoping for b4.} Kf7 40. Qc7+ ({White should try} 40. g6+ $1 hxg6 41. Qd6) 40... Kg8 {[#]} 41. Qe5 $1 Qc2 (41... Qxe5 42. fxe5) 42. Qd5+ Kf8 43. Qd6+ Kg8 44. Kg1 {Threatening mate with Bd5+.} Re1+ 45. Bf1 $1 Qe2 $2 (45... Bc6 $16) 46. Qd5+ $18 Bf7 {[%csl Ge2][%cal Re1f1]} 47. Qa8+ Be8 {[%csl Ge2][%cal Re1f1]} 48. Qg2 $2 (48. Qf3 $18 Qc2 49. Qf2) 48... Qd1 $16 49. Qf3 Qd4+ $2 (49... Qc1 $16 {might work better.}) 50. Qf2 $18 Qd1 $2 (50... Qb4 51. Re3 Rxe3 52. Qxe3 Bf7) 51. Re3 Rxe3 52. Qxe3 {[%cal Re3e8]} Bf7 53. a5 g6 54. a6 Bxb3 55. a7 Bd5 56. Qe8+ Kg7 57. Qe7+ Kg8 58. Qe8+ Kg7 {White must now prevent ...Qd4+.} 59. Qe5+ (59. Qd7+ $142 Kf8 60. a8=Q+ $1 {[%mdl 512]} Bxa8 61. Qxd1 Ke8 62. Bb5+ Kf7 63. Qd7+ Kg8 64. Bc4+ Bd5 65. Qxd5+ Kh8 66. Qg8#) 59... Kg8 60. a8=Q+ Bxa8 61. Qb8+ Kf7 62. Qa7+ Ke6 63. Qxa8 {White wants to mate with Qe8+.} Qd4+ 64. Kh1 Qxf4 65. Qc6+ Ke7 66. Qc5+ $2 (66. Qf6+ Kd7 67. Bb5+ Kc8 68. Qc6+ Kb8 69. Qc3) 66... Kd8 $2 (66... Ke6) 67. Qf8+ Kc7 68. Qe7+ Kb6 69. Bg2 Qc1+ 70. Kh2 Qf4+ 71. Kg1 Qd4+ 72. Kh1 Qf4 73. Qb7+ Ka5 {intending ...Qc1+.} 74. Qe7 $2 (74. Qa7+ $18 Kb4 75. Qe7+ Kb3 76. Bd5+ Kb2 77. Qb7+ (77. Qxh7 Qf1+ 78. Kh2 Qf4+ 79. Kg2 Qd2+ 80. Kg1 Qd4+ 81. Kf1 Qxd5 $11) 77... Kc1 78. Bg2) 74... Kb6 $1 $16 75. Qe6+ Ka5 $2 {[%mdl 8192]} (75... Kc7 $16 76. Qc6+ Kd8 77. Qd5+ Ke7 78. Qb7+ Kd8 79. Qa8+ Ke7 80. Qa7+ Ke6 81. Qb6+ Ke7 82. Qa7+ Ke6 83. Qa6+ Ke7 84. Qa7+) 76. Qe1+ $18 Kb6 77. Qg1+ Ka5 78. Qe1+ Kb6 $1 79. h4 h6 {[#]} (79... Kc7 $142 80. Qa5+ Kd7 81. Qd5+ Ke7 82. Qc5+ Kd8 83. Qa5+ Kd7 84. Qa7+ Kd8 85. Qb6+ (85. Qxh7 Qc1+ 86. Kh2 Qf4+ 87. Kg1 Qe3+ 88. Kf1 Qd3+ 89. Kf2 Qd4+ 90. Kf3 Qe4+ 91. Kf2 Qd4+ 92. Ke2 Qb2+ 93. Kf3 Qc3+ 94. Kf4 Qd4+ 95. Kg3 Qg4+ 96. Kf2 Qd4+ $11) 85... Ke7 86. Qf6+ Kd7 87. Qg7+ Kd6 88. Qf8+ (88. Qxh7 Qc1+ 89. Kh2 Qf4+ 90. Kh1 Qc1+ 91. Kh2 Qf4+ 92. Kh1 $11) 88... Kd7 89. Qf7+ Kd6 90. Qd5+ (90. Qxh7 Qc1+ 91. Kh2 Qf4+ 92. Kh1 Qc1+ 93. Kh2 Qf4+ 94. Kg1 Qe3+ 95. Kh1 Qc1+ $11) 90... Ke7 91. Qb7+ Kf8 92. Qc8+ (92. Qxh7 Qc1+ 93. Kh2 Qf4+ 94. Kh1 Qc1+ 95. Kh2 Qf4+ 96. Kh1 $11) 92... Ke7 93. Qb7+ Kf8 94. Qa8+ (94. Qxh7 Qc1+ 95. Kh2 Qf4+ 96. Kg1 Qe3+ 97. Kh1 Qe1+ 98. Kh2 Qe5+ 99. Kh1 Qa1+ 100. Kh2 Qe5+ 101. Kg1 Qe3+ 102. Kh1 Qe1+ 103. Kh2 Qe5+ $11) 94... Ke7 95. Qa7+ Ke6 96. Qb6+ (96. Qxh7 Qc1+ 97. Kh2 Qf4+ 98. Kh1 Qc1+ 99. Kh2 Qf4+ 100. Kh1 $11) 96... Ke7 97. Qf6+ Kd7 98. Qc6+ Ke7 99. Qb7+) 80. gxh6 (80. h5 $142 $1) 80... Qxh6 81. Qb4+ Kc7 82. Kh2 Qe3 83. Qc4+ Kd6 84. Qc6+ Ke7 85. Qc7+ $2 (85. Qxg6 $18 {aiming for Qg5+.} Qe5+ 86. Qg3 Qxg3+ 87. Kxg3) 85... Kf6 $1 $11 86. Qd8+ Qe7 $2 {[%mdl 8192]} (86... Kg7 $1 $11 {and Black is okay.}) 87. Qh8+ $2 (87. Qxe7+ $18 {has better winning chances.} Kxe7 88. Kh3) 87... Qg7 $16 88. Qc8 {White threatens Qc3+ and mate.} Qe7 $2 {[%mdl 8192]} (88... Qa7 $16 {is tougher.} 89. Qc3+ Ke6) 89. Qe8 $4 {[%mdl 8192]} (89. Qc3+ $18 Qe5+ 90. Qxe5+ Kxe5 91. Bf1) 89... Kg7 $4 {[%mdl 8192]} (89... Qxe8 {and life is good for Black.} 90. Bf1 Qe1 91. Kg1 f4 92. h5 gxh5 93. Kg2 Qg3+ 94. Kh1 f3 95. Bh3 Qxh3+ 96. Kg1 Qg2#) 90. Qd7 $4 {[%mdl 40960] Precision: White = 49%, Black = 36%. . An unexpected result.} (90. Qxe7+ {was the only winning move.} Kh6 91. Qf8+ Kh7 92. Bd5 f4 93. Qg8+ Kh6 94. Qh8#) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Hilby, Craig"]
[Black "Preotu, Razvan"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2420"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,86,12,0,0,-15,27,-12,0,0,0,0,-10,-13,0,0,211,202,195,184,339,39,24,0,0,0,0,0,0,0,0,0,0,0,0,0,337,317,512,486,462,0,0,-12,0,-166,-167,-260,-254,-226,-164,-167,-138,-198,-230,-212,-115,-432,-387,-1028,-997,-1704,-1546,-1068,-898,-2479,-1291,-1020,-729]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 h6 8. Bg2 Nc6 9. h3 Ne5 10. O-O {B81: Sicilian Scheveningen: Keres Attack} g5 11. Qe2 {LiveBook: 5 Games} Nfd7 $146 ({Predecessor:} 11... h5 12. f3 Nfd7 13. b3 Ng6 14. Qd2 Be7 15. Nce2 Nde5 16. Ng3 hxg4 17. fxg4 {1-0 (35) Fedoseev,V (2674)-Shomoev,A (2578) Jurmala 2015}) 12. Rad1 {The position is equal.} b6 13. Nf5 exf5 14. exf5 Rb8 15. f4 gxf4 16. Bxf4 Qc7 17. Nd5 Qc5+ $2 (17... Qd8 $1 $11) 18. Be3 $1 $18 {[%cal Re3c5]} Qc4 {[#]} 19. Rd3 $1 {[%mdl 512]} Qxa2 $2 (19... Bb7) (19... Nxd3 20. cxd3) 20. Nb4 $2 (20. Bd4 $18 Kd8 21. Nb4 (21. Ra3 Qc4 $16)) 20... Qa4 $1 $14 {[%cal Ra4b4] [#]} 21. Nc6 $1 {[%mdl 512]} Nxc6 22. Bxc6 Qxc6 23. Bg5+ $1 Ne5 24. Qxe5+ $1 Kd7 25. Qf6 {[%csl Gg5][%cal Rf6d8]} (25. Qxh8 Bb7 $17) 25... hxg5 26. Qxf7+ Kd8 $1 27. Qf6+ Be7 $2 {[%mdl 8192]} (27... Kd7 $11 {and Black is okay.} 28. Qf7+ (28. Rc3 $2 Qe4 $19) 28... Kd8) 28. Qxh8+ $18 Kd7 $2 {[#]} (28... Qe8 {was worth a try.} 29. Qg7 Bd7) 29. Rff3 $1 {Hoping for f6.} ({Inferior is} 29. Re1 Qh1+ 30. Kf2 Qh2+ 31. Ke3 b5 $11) 29... d5 30. Qg7 $2 (30. Qe5 $18 Bc5+ 31. Kf1) 30... Qf6 $36 {[%mdl 2048] White is under pressure.} 31. Qg8 d4 32. Rfe3 $2 (32. Qc4 $11 Ke8 33. Qg8+ (33. Rxd4 Kf8 $15) 33... Qf8 34. Qc4) 32... Kc7 $19 33. Qc4+ (33. Re1 {is a better defense.} Bd7 34. Qc4+ Bc5 35. Qxa6) 33... Bc5 34. Re2 {And now b4 would win.} Bd7 35. Qxa6 Qc6 36. Qc4 (36. Qa7+ $17 {might work better.} Qb7 37. Qxb7+ Kxb7 38. Kg2) 36... Ra8 37. Re1 Qb5 (37... Ra4 $19 38. Qg8 {[#]} Be7 $1 {[%mdl 512]}) 38. Qf7 $2 {[%mdl 8192]} (38. Qd5 $17 {is more resistant.} Qa4 39. Rc1) 38... Qxb2 39. Qd5 $2 (39. Qc4 Qa2 40. Qxa2 Rxa2 41. f6) 39... Qxc2 {Black is clearly winning.} 40. Qxa8 Qxd3 41. Qa7+ Kc6 42. Qa8+ Kb5 {( -> ...Bc6)} 43. Qg2 Bc6 {Precision: White = 26%, Black = 54%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Stefanov, Emil"]
[Black "Vivekananthan, Anish"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2407"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,129,60,52,60,33,45,39,42,36,45,7,11,4,3,5,13,0,0,0,0,-22,-13,-36,-14,-22,8,0,2,0,-5,-15,87,98,93,95,89,83,90,90,298,41,40,32,158,158,158,158,158,158,158,158,158,156,158,139,152,130,163,167,170,155,185,154,155,155,162,138,141,93,93,93,93,93,159,80,80,80,80,80,80,80,80,80,80,80,80,0,80,80,80,80,80,80,80,0,80,80,80,80,80,80,80,0,80,80,80,0,80,0,80,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Bd2 Qe7 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7... dxc4 8. Bxc4 Bd6 9. e4 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. O-O-O Qe8 13. Qxe8 Rxe8 14. f3 Be6 15. Bxe6 Rxe6 {½-½ (67) Navara,D (2727)-Harikrishna,P (2732) Prague 2018}) 8. a3 Bxc3 9. Bxc3 Ne4 10. Qc2 Nxc3 11. Qxc3 {LiveBook: 5 Games} Nb8 12. Rc1 {cxd5 is the strong threat.} c6 13. Bd3 dxc4 $146 ({Predecessor:} 13... Nd7 14. O-O h6 15. Rfe1 {½-½ (24) Schmitzer,H (2250)-Tochtermann,G (1860) Bad Woerishofen 2000}) 14. Bxc4 Nd7 15. O-O b6 16. e4 Bb7 17. Rfe1 c5 18. d5 exd5 $1 19. exd5 Qd6 20. Nh4 {Black must now prevent Qxg7+!} g6 21. Re3 Qf6 (21... Nf6 {keeps more tension.} 22. Rd1 Rfe8 23. g3 Rxe3 24. Qxe3 Re8) 22. Nf3 Rad8 23. Rd1 $36 {[%mdl 2048] White has the initiative.} Rfe8 24. Rxe8+ Rxe8 25. Bb5 {aiming for Qxf6.} Qd6 (25... Rd8 $11 {remains equal.}) 26. Bxd7 $1 $16 Qxd7 27. Ne5 Qf5 28. d6 $1 Qg5 {[%csl Gb7][%cal Rg5g2]} 29. f3 Rxe5 $2 {[#]} (29... Qf6 $16 {was worth a try.} 30. d7 Rd8) 30. Qxe5 $2 (30. h4 $1 $18 {[%mdl 512]} Rd5 (30... Qxh4 31. d7) 31. hxg5 Rxd1+ 32. Kf2) 30... Qxe5 $14 31. d7 Qe3+ (31... Qxb2 $14 32. d8=Q+ Kg7) 32. Kh1 $16 Bxf3 33. d8=Q+ Kg7 34. Qd2 Qxd2 35. Rxd2 {[%mdl 4096] Endgame KR-KB} Bc6 36. Rd6 {[%mdl 1024] White has strong compensation.} Bb5 37. Rd8 Bc6 38. Rc8 Be4 39. Rc7 a5 40. Kg1 Kf6 41. Kf2 Ke6 42. Ra7 Bd3 43. Rb7 b5 44. Ra7 a4 45. Rc7 Kd5 46. Rxf7 h5 {[#]} (46... Kc4 $142) 47. Ke3 (47. Rf4 $142 $1) 47... Bf5 48. Rb7 Kc4 49. g3 Bg4 50. Kd2 Bf5 51. Rb6 Be4 52. Kc1 Bd3 53. Kd2 Be4 $1 54. Rb8 Bb1 55. h4 Be4 56. Re8 Bf5 57. Rb8 Be4 $1 58. Rb6 Bf5 59. Kc1 Be4 60. Rb8 Bd3 61. Kd2 ({Better is} 61. Rd8 $16) 61... Bb1 (61... Be4 $1 $11) 62. Rb7 Be4 63. Rb6 (63. Rc7 $16) 63... Bb1 (63... Bf5 $11) 64. Kc1 ({White should play} 64. Rf6 $16) 64... Bd3 (64... Be4 $1 $11 {keeps the balance.}) 65. Kd2 {Precision: White = 55%, Black = 55%.} (65. Ra6 $16) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Chua, Alexander"]
[Black "Stremavicius, Titas"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2332"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,33,4,7,23,4,-2,0,-23,-24,-44,-50,-48,-48,-40,-33,-69,-35,-57,-50,-55,-54,-54,-71,-61,-51,-64,-40,-64,-51,-61,-61,-66,-61,-91,-78,-107,-111,-142,-99,-81,-66,-82,-61,-69,-71,-69,0,0,0,-27,-37,-46,-28,-31,0,0,14,13,17,14,22,7,7,8,8,8,15,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. Qc2 {LiveBook: 4 Games. E04: Open Catalan: 5 Nf3} (7. e3 Rb8 8. Qe2 b5 9. b3 cxb3 10. axb3 Bd6 11. Rd1 Qe7 12. Bb2 O-O 13. Rc1 Bb7 14. Ne5 Nb4 15. Bxb7 Rxb7 {1-0 (52) So,W (2778)-Mamedyarov,S (2808) Leuven 2018}) 7... Nxd4 8. Nxd4 Qxd4 9. Rd1 Qa7 $146 ({Predecessor:} 9... Qb6 10. Nd2 Bc5 11. Nxc4 Qa7 12. e3 O-O 13. a3 Bd7 14. b4 Be7 {0-1 (130) Parkhov,Y (2162)-Giesinger,E (2051) Poprad 2016}) 10. Qxc4 Bc5 11. e3 O-O 12. b4 Bd6 13. Bb2 e5 14. Nc3 b5 (14... Be6 $5 {[%cal Re6c4]} 15. Nd5 Nd7 $15) 15. Qh4 Bb7 16. Nd5 Nxd5 17. Bxd5 Bxd5 18. Rxd5 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 19. Qe4 Qb8 20. a4 Kh8 21. h4 Qe8 22. Bc3 Qc6 23. Bd2 f5 24. Qd3 {[%cal Ra4b5]} bxa4 25. Ra5 Qf3 26. Qd5 Qe2 27. Bc3 Rad8 {aiming for ...f4.} 28. Qd1 Qc4 29. Qc1 Bxb4 (29... Qe4 $15 30. Qb2 Rd7) 30. Bxb4 $11 Qxb4 31. R5xa4 (31. Rxe5 {feels hotter.} Rd3 32. Qc2 Qb3 33. Qxc7 Qb2 34. Rxa4 Rd1+ 35. Kg2) 31... Qe7 32. Rc4 Rd7 33. Rxa6 Rfd8 34. Qc3 {The position is equal.} f4 35. exf4 exf4 36. Rxf4 Rd3 37. Qc6 R3d6 $132 {[%mdl 2048] Black is fighting back} 38. Qb7 Rxa6 39. Qxa6 Rf8 40. Rxf8+ Qxf8 41. Qc6 Qd8 42. h5 h6 43. Kg2 {Precision: White = 53%, Black = 75%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Yim, Sung Ho"]
[Black "Wang, Jason"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2271"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,39,29,-2,0,4,10,-22,-22,-28,-27,-27,-13,-25,-28,-33,-35,-35,-43,-55,-55,-50,-57,-133,-50,-140]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. h3 Bh5 5. d4 e6 6. O-O {A07: Réti Opening: New York and Capablanca Systems} c6 7. c4 Bd6 {[%cal Bf8d6,Bd6c7,Bc7a5][%mdl 32]} (7... Be7 8. cxd5 exd5 9. Nc3 Bxf3 10. Bxf3 Ngf6 11. Bf4 O-O 12. e3 Re8 {½-½ (53) Harikrishna,P (2732)-Navara,D (2727) Prague 2018}) 8. Qb3 Rb8 9. Nc3 Ngf6 {LiveBook: 4 Games} 10. Re1 O-O 11. Nd2 $146 {[#]} ({Predecessor:} 11. e4 dxe4 12. Ng5 Bg6 13. Ngxe4 Nxe4 14. Nxe4 {1-0 (41) Mudrak,J (2368)-Gruca,M (2150) Stare Mesto 2006}) 11... b5 $1 {[%mdl 512]} 12. c5 (12. cxb5 c5) 12... Bc7 13. f4 Bg6 14. Nd1 h5 {And now ...h4! would win.} 15. Qf3 Ba5 16. Nf2 Ne4 17. Nfxe4 dxe4 18. Qa3 Nf6 19. e3 Nd5 20. Qb3 ({White should play} 20. h4 $15) 20... f5 ({Better is} 20... h4 $17 21. g4 f5) 21. Re2 {Precision: White = 31%, Black = 70%.} (21. h4 $1 $15) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Shen, Christopher"]
[Black "Matsenko, Sergei"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2254"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,-12,-2,-38,-31,-38,-40,-62,-63,-71,-61,-85,-36,-83,-81,-89,-91,-81,-77,-72,-86,-104,-114,-119,-119,-105,-87,-178,-158,-233,-240,-233,-222,-275,-193,-191,-174,-153,-145,-145,-141,-233,-219,-250,-248,-227,-236,-343,-339,-426,-403,-484,-484,-544,-500,-518,-439,-557,-428,-532,-539,-497,-417,-457,-453,-433,-418,-716,-710,-687,-694,-672,-675,-897,-895,-886,-871,-5314,-2291]} 1. c4 c6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Bf5 5. cxd5 cxd5 6. O-O Nc6 7. d4 e6 {LiveBook: 35 Games} 8. Qa4 {D13: Slav Defence: Exchange variation without ...Bf5} (8. Nc3 Be7 9. Bg5 O-O 10. e3 Ne4 {½-½ (10) Kozul,Z (2611)-Palac,M (2551) Pozega 2018}) 8... Nd7 {[%cal Bf6d7,Bd7b6,Bb6c4][%mdl 32]} 9. Nc3 $146 ({Predecessor:} 9. Bg5 Be7 10. Bxe7 Qxe7 11. Nc3 O-O 12. a3 Rfc8 13. Rfc1 a6 14. Qb3 b5 15. Qa2 Nb6 {½-½ (24) Wenner,T (2165)-Schroeder,V (2170) Viernheim 1999}) 9... Be7 10. Bf4 {Black is slightly better.} O-O 11. Qd1 Rc8 12. Rc1 Nb6 13. Na4 Nc4 14. b3 Nd6 15. Ne5 {[#]} Nxe5 $1 16. Bxe5 Nb5 17. Qd2 Rxc1 18. Rxc1 Ba3 19. Rd1 Qe7 20. Bf1 (20. e3 $17) 20... a6 $19 21. h4 (21. Bg2 $17) 21... Rc8 22. e4 Bxe4 23. Bd3 Bxd3 24. Qxd3 Na7 25. Bf4 b5 26. Nc3 Nc6 27. Qf3 (27. Nb1 $17) 27... Qf6 28. Qe3 h6 29. Kg2 Qf5 30. Nb1 (30. Qf3 $142) 30... Bb2 31. Bd6 {If White can now play Bc5 this consolidates a bit.} Bxd4 32. Qe2 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 33. a4 Qe6 34. Ba3 Rb8 35. Qc2 e4 36. Bc5 Bxc5 37. Qxc5 bxa4 38. bxa4 d4 39. Rc1 Rc8 40. Nd2 (40. Qc4 $142 Qf5 41. Qe2) 40... Ne7 {Black is clearly winning.} 41. Qa3 Rxc1 42. Qxc1 e3 43. Nf3 Qe4 44. fxe3 Nf5 45. Qc8+ Kh7 {Precision: White = 30%, Black = 80%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Nguyen, Emily"]
[Black "Sanchez, Robert"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2194"]
[BlackElo "1834"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,79,56,78,76,48,22,-3,-44,-26,-34,0,-6,70,72,79,64,154,0,49,46,122,38,186,212,176,186,274,257,267,244,370,360,366,372,362,368,356,361,354,356,331,107,102,20,24,7,22,10,37,38,78,78,81,76,113,109,100,118,127,60,221,225]} 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 Ne4 8. Qc2 O-O 9. Bd3 f5 10. O-O Rf6 {LiveBook: 5 Games. E14: Queen's Indian: Classical Variation (4 e3)} 11. Ne1 Rh6 12. f3 $146 ({Predecessor:} 12. g3 Rg6 13. f3 Ng5 14. e4 fxe4 15. fxe4 e5 16. d5 d6 17. Ng2 Rf6 18. Be3 {½-½ (80) Mkrtchian,L (2387)-Demina,J (2335) Sochi 2004}) 12... Qh4 {[%csl Gh6][%cal Rh4h2] The position is equal.} 13. h3 (13. g4 {keeps more tension.} Ng3 14. Rf2 fxg4 15. d5 Nh5 16. Ng2) 13... Ng3 14. Rf2 $1 Rg6 15. d5 Na6 ({Better is} 15... d6 $11) 16. b4 $14 Rf8 17. Bb2 Nh5 (17... d6 $14) 18. Kh2 $2 (18. g4 $16) 18... Qg3+ 19. Kh1 e5 {[#]} (19... c6 $14) 20. Rf1 (20. Kg1 $1 $16) 20... Qg5 (20... d6 $14) 21. Bxe5 $18 Qxe3 {[#]} 22. Bh2 $1 Qg5 (22... Rgf6 $142 23. g4 Nf4) 23. f4 Qf6 24. Nf3 d6 {[#]} (24... Nb8 $142 25. g4 fxg4) 25. g4 $1 {[%mdl 512]} fxg4 26. Bxg6 Qxg6 27. Qxg6 hxg6 28. hxg4 Nf6 29. g5 Ng4 30. Nd4 $2 (30. Rae1 $18 {and White stays clearly on top.}) 30... Ne3 $16 31. Rfc1 ({White should try} 31. Rfe1 $16 Nxc4 32. Nc6) 31... Nxc4 $1 $11 32. Nc6 Ne3 $1 33. Kg1 Nxd5 (33... Ra8 {is interesting.} 34. Ra2 Nxd5 35. Nd4 Ne3 36. Kf2 Nf5) 34. Nxa7 Nxf4 35. Bxf4 Rxf4 36. Nb5 Rg4+ 37. Kh2 Rxg5 38. Nxc7 Nb8 39. Ne8 ({White should play} 39. Ne6 $16 Rh5+ 40. Kg3) 39... Rd5 $2 (39... Rh5+ $1 $14 40. Kg3 Rg5+ 41. Kh4 Rh5+ 42. Kg4 Rd5) 40. Rc7 {Precision: White = 38%, Black = 23%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Cervantes Landeiro, Thalia"]
[Black "Kumar, Nikhil"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "2172"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,120,0,0,0,0,0,93,106,116,97,107,64,123,119,105,112,102,29,29,27,30,-35,-43,-35,-26,-45,-11,-12,-10,-32,-10,-21,-16,-12,-11,-54,0,-19,0,-18,-9,-20,-8,-29,0,-25,-37,-153,-76,-82,-86,-92,-89,-96,-76,-146,-110,-128,-80,-218,-210,-377,-443,-454,-429,-437,-412,-461,-432,-604,-585,-570,-531,-605,-578,-1427,-1411,-1411,-1330,-1135,-1026,-2922,-2343,-5378,-2398,-5963,-4125,-5689,-4397,-5297,-3341,-29967,-29958,-29980,-29981,-29979,-29980,-29984,-29984]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 Bb7 6. Bd3 O-O 7. O-O d5 8. cxd5 exd5 9. a3 Bd6 10. b4 a6 11. Qb3 Qe7 12. Re1 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} (12. Ra2 Nbd7 13. Re2 b5 14. a4 Bxb4 15. axb5 axb5 16. Nxb5 c6 17. Rb2 Ba5 18. Nc3 Ba6 19. Bxa6 Rxa6 {½-½ (34) Beliavsky,A (2602)-Navara,D (2742) Baku 2016}) 12... Nbd7 {LiveBook: 7 Games} 13. h3 Rfe8 14. Bb2 {The position is equal.} c6 $146 (14... Rab8 $11 {remains equal.}) ({Predecessor:} 14... h6 15. Bf5 Rab8 16. Rad1 c5 17. Bxd7 c4 18. Qc2 Nxd7 19. Re2 b5 {1-0 (99) Kashlinskaya,A (2433)-Zaiatz,E (2401) Bilbao 2014}) 15. e4 $1 $16 {[%cal Re4e5]} dxe4 16. Nxe4 {Black must now prevent Neg5.} Qf8 17. Nfg5 Nxe4 (17... Be7 $14) 18. Nxe4 Be7 19. Bc2 Nf6 20. Ng5 (20. Qd3 $1 $16 {Threatening mate with Nxf6+.} g6 21. d5 Nxd5 22. Qd4) 20... g6 $11 21. d5 Nxd5 22. Ne4 (22. Qg3 $11) 22... f5 $1 $15 {[%cal Rf5e4]} 23. Nd2 {[%cal Be4d2,Bd2c4,Bc4d6][%mdl 32]} Bf6 24. Nc4 Bxb2 (24... Kg7 {feels hotter.} 25. Rad1 Rad8 26. Bxf6+ Qxf6 27. Qg3 f4) 25. Qxb2 Qg7 26. Qxg7+ Kxg7 27. Nd6 Rxe1+ 28. Rxe1 Rb8 29. Bb3 Kf8 (29... Ba8 $1 $15) 30. Rc1 Ne7 31. g4 Bc8 32. f3 Bd7 33. Kf2 Be8 34. Kg3 Rd8 35. Nc4 {[#]} (35. Rd1 $15) 35... Bf7 (35... Rd3 $142 $1 {[%cal Rd3b3]} 36. Ba2 b5) 36. Rc3 $17 {[#]} f4+ $1 {[%mdl 512]} 37. Kf2 (37. Kxf4 Nd5+) 37... Bxc4 38. Bxc4 {[%mdl 4096] Endgame KRB-KRN} b5 39. Be2 (39. Bd3 $142) 39... Rd6 40. h4 Kf7 41. Rd3 {[#]} (41. Bd3 $17 {might work better.}) 41... Ke6 $1 $19 42. Ke1 $2 (42. Rc3) 42... Rxd3 43. Bxd3 {KB-KN} Ke5 44. Kd2 Kd4 45. g5 Nd5 46. h5 gxh5 47. Bxh7 h4 48. Bf5 Ke5 49. Bd7 Nb6 50. Bh3 Nc4+ 51. Kc3 Nxa3 52. g6 Kf6 53. Kd4 Nc2+ (53... Kxg6 $142 54. Kd3 Nc4) 54. Kc3 Ne3 55. Kd4 Kxg6 56. Kc5 Nc2 57. Bf1 Ne1 {Black mates.} 58. Kxc6 Nxf3 59. Kb6 Nd2 60. Bd3+ Kg5 {Precision: White = 22%, Black = 66%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Kung, Thomas"]
[Black "Huang, Max"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2132"]
[BlackElo "1805"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,53,43,64,37,49,49,50,49,66,34,27,0,0,0,0,0,0,-22,-14,-28,-32,-21,-48,-72,0,-2,98,111,126,135,630,622,1179,1146,29992,29993]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 d6 7. Be2 Nf6 8. O-O Nbd7 {B41: Sicilian: Kan Variation: 5 c4} (8... b6 9. Be3 Bb7 10. f3 Be7 11. Qd2 O-O 12. Rfc1 Rc8 13. Kh1 Nbd7 14. a4 Rab8 15. b4 Qd8 16. Nb3 Ba8 17. a5 bxa5 18. Nxa5 Rxb4 19. Nb5 axb5 20. Qxb4 bxc4 21. Rxc4 {1-0 (99) Duda,J (2671)-Artemiev,V (2653) Martuni 2016}) 9. f4 b6 10. Bf3 Bb7 {LiveBook: 5 Games. White is slightly better.} 11. b3 Be7 12. Bb2 O-O 13. Qe2 Rfe8 14. Rac1 $146 ({Predecessor:} 14. Rae1 Rac8 15. e5 Bxf3 16. Nxf3 dxe5 17. fxe5 {1-0 (55) Palkovi,J (2420)-Orso,M (2375) Nagykanizsa 1988}) 14... Bf8 15. g4 {aiming for g5.} e5 16. Nd5 Qd8 17. fxe5 Nxe5 18. Bg2 Nexg4 19. Rf4 (19. Rc3 $5 {[%cal Rc3g3]}) 19... Nxd5 20. Rxg4 Nf6 21. Rf4 {[#]} d5 $1 {[%mdl 512]} 22. e5 $11 (22. cxd5 Nxd5) 22... Nd7 (22... Qb8 $11 23. Nf5 Bc5+ 24. Kh1 d4) 23. e6 $36 {[%mdl 2048] White is in control.} fxe6 24. Nxe6 {Threatens to win with Qg4.} Qb8 $2 {[%mdl 8192]} (24... Qg5 $16) 25. Qg4 $18 {Rxf8+! would kill now.} g6 {[#]} 26. Rxf8+ $1 {[%mdl 512]} Nxf8 27. Qd4 {Precision: White = 44%, Black = 28%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Dejmek, Mark"]
[Black "Easton, Jack"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1998"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,48,50,52,52,47,94,84,97,102,98,74,88,68,63,70,93,64,104,102,104,96,108,113,109,95,94,96,164,168,157,164,180,0,97,61,706]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Qc7 5. d3 (5. O-O Nd4 6. Re1 a6 7. Bf1 Ng4 8. g3 Nxf3+ 9. Qxf3 Ne5 10. Qe2 d6 11. Nd5 Qd8 12. Bg2 e6 13. Ne3 g6 14. b4 cxb4 {1-0 (35) Wei,Y (2735)-Inarkiev,E (2690) Magas 2018}) 5... Nd4 6. Bc4 {B30: Sizilianisch (Rossolimo-Variante)} a6 7. Nxd4 cxd4 8. Ne2 {LiveBook: 3 Partien} b5 9. Bb3 Qc5 $146 ({Vorgänger:} 9... e5 10. O-O d6 11. f4 Be6 12. Ng3 Bxb3 13. cxb3 {0-1 (47) Prathamesh,S (2408)-Stany,G (2329) New Delhi 2010}) 10. O-O Bb7 11. c3 dxc3 12. Nxc3 Qc7 13. Bg5 e6 14. Rc1 {Droht stark Sxb5!} Qb8 15. Qe2 Be7 {[#]} 16. e5 $1 {[%cal Re5f6]} Ng8 17. Bd2 $36 {[%mdl 2048] Läuft bei Weiss.} Bd8 18. Ne4 Bxe4 19. Qxe4 Ne7 20. Bb4 O-O (20... Ra7 $16) 21. Bd6 $18 Qa7 22. Bc5 Qb8 {[#]} 23. Bd6 ({Lieber} 23. d4 $1 $18) 23... Qa7 $16 24. d4 Qb8 $2 {[%mdl 40960] Precision: Weiß = 73%, Schwarz = 66%. . An unexpected result.} (24... Re8 $14) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Free, Graham"]
[Black "Polavaram, Rithik"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1926"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,8,6,10,6,17,14,41,40,58,0,0,0,86,77,46,-64,-64,-58,-58,-58,-58,-61,-60,-61,-58,-61,-64,-73,-78,-76,-76,-80,-73,-68,-70,-94,-61,-61,-61,-61,-61,-62,-37,-37,-37,-45,-41,-44]} 1. d4 Nf6 2. Bf4 e6 3. Nf3 d5 4. e3 Bd6 5. Nbd2 O-O 6. c3 {D02: Damenbauernspiele} Bxf4 7. exf4 Qd6 8. g3 b6 9. Bd3 c5 (9... Ba6 10. Bxa6 Nxa6 11. Qe2 Nb8 12. a4 c5 13. O-O Nc6 14. Nb3 {0-1 (33) Nakamura,H (2769)-Anand,V (2759) Leuven 2018}) 10. Qe2 {LiveBook: 4 Partien} Nc6 11. a3 Nd7 $146 ({Vorgänger:} 11... cxd4 12. cxd4 a5 13. O-O Bb7 14. Rac1 {½-½ (25) Arindam,M (2265)-Karthikeyan,M (2299) Kolkata 2012}) 12. O-O f6 13. Rfe1 Re8 14. c4 (14. Ne5 $14 fxe5 15. Bxh7+ $1 {[%mdl 512]} (15. dxe5 $2 Qe7 $19) 15... Kxh7 16. Qh5+ Kg8 17. Qxe8+ Nf8 18. fxe5 (18. dxe5 Qd7 $14)) 14... Ba6 $11 15. Nb3 e5 {[#]} (15... Nxd4 $11 {hält das Gleichgewicht.} 16. Nfxd4 cxd4) 16. dxe5 $1 $16 fxe5 {...e4 ist eine echte Drohung.} 17. cxd5 (17. Rad1 $14) 17... Bxd3 $15 18. Qxd3 {Droht stark Tad1.} exf4 19. Nbd2 Nce5 20. Nxe5 Nxe5 21. Qe4 fxg3 22. hxg3 Rad8 23. Nf3 Nxf3+ 24. Qxf3 Rf8 25. Qg4 Qxd5 26. Re7 {[%csl Ge7][%cal Rg4g7]} Rf7 27. Rae1 Rxe7 (27... h6 {is more complex.} 28. Rxf7 Qxf7 29. Qe4 Rd4 30. Qa8+ Kh7) 28. Rxe7 {[%csl Ge7][%cal Rg4g7] Schwarz steht etwas besser.} Qd1+ 29. Qxd1 Rxd1+ $17 {KT-KT} 30. Kg2 Rd2 31. b4 cxb4 32. axb4 Ra2 33. b5 {[%mdl 32768] Precision: Weiß = 70%, Schwarz = 55%. . Loss on Time!?} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Oberoi, Shelev"]
[Black "Lin, Andy"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1896"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,160,-50,-26,-56,-31,-37,0,-68,-53,-65,-52,-58,-50,-55,-57,-67,-60,-57,-32,-45,-37,-50,-40,-57,0,0,0,0,16,7,8,9,53,44,79,85,125,40,54,56,64,32,73,42,152,0,81,70,78,98,87,74,100,64,253,226,222,0,0,0,135,-127,-126,-128,-122,-256,-257,-231,-8,-8,-8,-4,-15,-312,-287,-293,-286,-274,-262,-299,-295,-418,-398,-1110,-29963,-29944,-12849,-4133,-1012,-979,-545,-571,-544,-585,-541,-680,-617,-665,-633,-908,-843,-778,-778,-907,-913,-1363,-1324,-6535,-29956,-29961,-12675,-29967,-29968,-29970,-29971,-29977,-29978,-29979,-29980,-29987,-29988,-29988,-29989,-29990,-29991,-29991,-29992,-29992,-29993,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 e6 7. O-O cxd4 8. cxd4 Be7 9. Nc3 Qd6 10. Be3 O-O 11. a3 b6 12. Qb3 {B22: Sicilian: 2 c3} (12. b4 Bb7 13. h3 Rac8 14. Qb3 Rfd8 15. Rfd1 h6 16. Rac1 Bf8 17. Bc4 Ne7 18. Ne5 Ned5 19. Nxd5 Bxd5 {0-1 (60) Wang,C (2490)-Yu,Y (2615) Xinghua 2012}) 12... Bb7 13. Rfd1 Rac8 14. Rac1 Rfd8 {LiveBook: 4 Games} 15. Bg5 Qb8 $146 ({Predecessor:} 15... Nd5 16. Nxd5 Bxg5 17. Nxb6 axb6 18. Nxg5 Nxd4 19. Qe3 Rxc1 20. Rxc1 {½-½ (40) Liberadzki,S (2095)-Simantsev,M (2459) Gora Sw Anny 2014}) 16. Bh4 Nh5 {aiming for ...Bxh4.} 17. Bxe7 (17. d5 $11 Na5 18. Qa4 Bxh4 19. Qxh4) 17... Nxe7 $15 18. g3 Nf6 19. Ne5 Nf5 20. Qa4 Rc7 21. Rc2 Qc8 22. Rcd2 a6 23. Qb4 b5 24. a4 bxa4 25. Nxa4 Rc1 (25... Ne4 $15 26. Rd3 Rc2) 26. Nc5 $11 Rxd1+ 27. Rxd1 Bd5 28. Bxa6 Qa8 29. Be2 h5 30. Qc3 h4 31. g4 $1 $36 {[%cal Rg4f5][%mdl 2048] White is really pushing.} Nd6 32. f3 (32. Qh3 $16) 32... Rb8 33. b3 Qa2 34. Rd2 Qa3 35. Qb2 Qb4 {[#]} (35... Qa7 $14) 36. Ned3 $2 ({Don't do} 36. Na6 Qb7) ({White must play} 36. g5 $1 $16 {[%cal Rg5f6]} Nh5 37. Na6) 36... Qb6 (36... Qa5 $11 {keeps the balance.} 37. Ne5 Nh7) 37. g5 $16 Nh7 38. Nd7 Qb7 39. N3c5 ({Much weaker is} 39. Nxb8 $6 Nxg5 40. Ne5 Qxb8 $11) 39... Qa8 40. Nxb8 Nxg5 $2 (40... Qxb8 $14 41. g6 Ng5) 41. Nbd7 $18 {Strongly threatening Nb6.} Bxf3 42. Qa2 $2 ({White should play} 42. Bf1 $18) 42... Qd5 $1 $11 43. Kf2 Nde4+ (43... Bxe2 $1 $11 {remains equal.} 44. Rxe2 Qxd4+ 45. Kf1 Qd5) 44. Nxe4 $4 {[%mdl 8192]} (44. Ke3 $16 {is forced if you want to stay better.} Bxe2 45. Rxe2) 44... Nxe4+ $17 45. Ke3 Nxd2 46. Kxd2 (46. Qxd2 $17 Bxe2 47. Qxe2 Qxd7 48. b4) 46... Qxd4+ ({Not} 46... Qxd7 47. Bxf3 Qxd4+ 48. Ke2 $16) 47. Ke1 {[#]} Bg2 $2 (47... Bc6 $1 $19 48. Qd2 Qa1+ 49. Qd1 Qxd1+ 50. Kxd1 Bxd7) 48. Qa4 $11 Qg1+ 49. Kd2 Qxh2 50. Qc4 $2 {[%mdl 8192]} (50. Qg4 $1 $11 {and White is okay.} Qd6+ 51. Ke1) 50... Qd6+ 51. Ke3 Qxd7 52. Qxh4 Qc7 53. Bd3 g6 54. Qd4 (54. Bc4 $142) 54... Qc1+ $19 55. Kf2 $2 (55. Ke2 e5 56. Qb6) 55... Qd2+ 56. Kg1 Bd5 {[%csl Gd5][%cal Rd2g2]} 57. Kf1 Qd1+ (57... f5 $142 58. Qf6 Qxd3+ 59. Kf2 Qf3+ 60. Ke1 Qe3+ 61. Kf1 Qg3) 58. Kf2 Qxb3 59. Ke2 Qa2+ 60. Ke3 Qg2 {( -> ...Qg1+)} 61. Qf6 Qh3+ 62. Kd2 Qh8 63. Qd8+ Kg7 64. Qc7 Qh6+ 65. Kc2 Qe3 66. Qd6 g5 67. Qh2 f5 68. Qc7+ Kg6 69. Qe7 g4 {Black mates.} 70. Qe8+ Kg5 71. Qe7+ Kf4 72. Qd6+ Kf3 73. Bxf5 exf5 74. Qxd5+ Qe4+ 75. Qxe4+ fxe4 {KP-KP} 76. Kd2 e3+ 77. Ke1 g3 {[%cal Bg4g3,Bg3g2][%mdl 32]} 78. Kf1 g2+ 79. Kg1 e2 80. Kh2 e1=Q {Precision: White = 29%, Black = 56%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "5"]
[White "Green, Austen"]
[Black "Findlay, Ian T"]
[Result "1/2-1/2"]
[ECO "B76"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,55,0,0,0,0,7,0,0,0,0,4,11,5,4,4,16,21,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 {[%cal Bb8c6,Bc6d4,Bd4f5,Bf5e3][%mdl 32]} 8. Qd2 O-O 9. O-O-O d5 10. Kb1 Nxd4 11. e5 Nf5 12. exf6 exf6 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} 13. Bc5 (13. Nxd5 Nxe3 14. Qxe3 Be6 15. Bc4 f5 16. Nc3 Qe7 17. Bxe6 fxe6 18. Rhe1 Rfe8 19. Nb5 Qb4 20. Qb3 Qxb3 21. axb3 {½-½ (48) Andreikin,D (2713)-Morozevich,A (2760) Moscow 2013}) 13... d4 14. Bxf8 Qxf8 15. Nb5 Ne3 16. Re1 f5 17. f4 {LiveBook: 8 Games. The position is equal.} Qc5 {White must now prevent ...Be6.} 18. c3 $1 {[%cal Rb5d4]} Nxf1 19. Re8+ Bf8 20. Qxd4 Qxb5 21. Qd8 $146 {[#]} Nd2+ $1 22. Kc2 {[#]} (22. Qxd2 Qxe8) 22... Qxe8 $1 23. Qxe8 {aiming for Rd1.} Ne4 24. Rd1 {Intending Rd8 and mate.} Nf6 25. Qe5 Ng4 26. Qe8 {Threatening mate with Rd8.} Nf6 27. Qe5 Ng4 28. Qe8 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Kovalyov, Anton"]
[Black "Sadorra, Julio Catalino"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2644"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,68,0,-2,-46,-44,-30,-27,-42,0,-9,-7,-54,-44,-63,0,-32,-31,-19,-20,-49,-42,-37,-37,-79,-104,-291,-170,-289,-241,-231,-221,-598,-611,-599,-492,-608,-587,-573,-531,-1143,-1130,-1441,-1482,-1955,-1896,-1864,-1821]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. cxd5 Nxd5 9. d4 c5 10. Nbd2 Nd7 11. Rc1 Rc8 12. dxc5 Nxc5 13. Nd4 {A14: English Opening: 1...e6 with b3 by White} (13. a3 b5 14. Rc2 Qb6 15. Bd4 Qa6 16. b4 Na4 17. Nb3 f6 18. Na5 Ba8 19. Bh3 f5 20. Bg2 Qd6 {0-1 (44) Rubinetti,J (2430)-Spassky,B (2640) Buenos Aires 1979}) 13... Bg5 $146 ({Predecessor:} 13... Qd7 14. Nc4 Bf6 {0-1 (34) Krupicka,J (1901)-Horak,M (1828) Hrdonov 2013}) 14. N4f3 Bf6 15. Ne5 {Black has an edge.} Bg5 16. Nef3 Bh6 17. Rc4 b5 18. Rh4 b4 (18... f5 $15) 19. Qe1 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 20. Nc4 a4 21. Nce5 f5 $36 {[%mdl 2048] Black has some pressure.} 22. Nd3 a3 23. Ba1 Ne4 $1 24. Nd4 $2 (24. Rxh6 $17 gxh6 25. Nxb4) 24... Qd6 (24... Bd2 $142 25. Qd1 Ne3 $1 {[%mdl 512]} 26. Nxe6 Qe7 27. fxe3 Bxe3+ 28. Kh1 Qxe6) 25. Nf3 (25. Rxe4 $142 fxe4 26. Bxe4) 25... Ndc3 26. Bxc3 bxc3 {[%cal Bb4c3,Bc3c2][%mdl 32]} ({Less strong is} 26... Nxc3 27. Rxb4 Bd5 28. Rd4 $15) 27. Nfe5 $2 (27. Rxh6 gxh6 28. Qc1) 27... Bd2 $19 {Black is clearly winning.} 28. Qa1 c2 {White must now prevent ...Bc3.} 29. Nc4 {[#]} Rxc4 $1 {[%mdl 512]} 30. bxc4 {and the idea c5 leaves White hopeful.} Nc3 31. Nc1 Rb8 32. Bxb7 Rxb7 33. Nb3 Nxe2+ 34. Kg2 Bc3 {Precision: White = 26%, Black = 79%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Vorontsov, Pavlo"]
[Black "Hilby, Craig"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2578"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,48,4,4,1,11,-18,-26,-66,-4,-25,-28,-13,-22,-52,-47,-47,-77,-83,-83,-83,-86,-85,-89,-118,-120,-281,-279,-275,-275]} 1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bb5+ Nc6 9. O-O O-O 10. Be3 Bg4 11. Bxc6 bxc6 {LiveBook: 4 Games} 12. Rc1 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Qa5 13. Qe2 Rfd8 14. Rfd1 {[#] Black has an edge.} Rd7 $146 (14... cxd4 $15 15. cxd4 e5) ({Predecessor:} 14... Qa4 15. Rd2 e5 16. Bg5 Rd7 17. dxe5 Rxd2 18. Qxd2 Qxe4 19. Re1 Qd5 20. Qxd5 cxd5 {0-1 (45) Shulman,Y (2542)-Wang,Y (2705) Ningbo 2013}) 15. h3 (15. e5 {keeps more tension.} Qb5 16. Qc2 Bf5 17. Qd2 Rad8 18. Re1) 15... Bxf3 $1 16. Qxf3 Qxa2 17. dxc5 Rad8 18. Rxd7 Rxd7 19. e5 {[#]} Qe6 $1 20. Bd4 Bxe5 21. Re1 {[#]} Bh2+ $1 {[%mdl 512]} 22. Kf1 (22. Kxh2 Qxe1) 22... Qc4+ 23. Re2 $2 (23. Qe2 $17 Qd5 24. Qe4 Qxe4 25. Rxe4) 23... e5 $19 24. Qxc6 Rd5 {Precision: White = 37%, Black = 82%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Matsenko, Sergei"]
[Black "Nakar, Eylon"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2533"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,43,22,26,21,13,6,4,5,8,5,10,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. a3 Nc6 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bd3 Bb6 12. O-O Qf6 {D37: Damengambit (5.Lf4)} (12... Bg4 13. h3 Bh5 14. Bb1 d4 15. Qd3 Bg6 16. e4 Re8 17. Re1 Qe7 18. Qb5 f6 19. Nh4 Bf7 20. Nf5 Qc5 {½-½ (66) So,W (2780)-Anand,V (2768) Saint Louis 2018}) 13. b4 h6 14. b5 Nd4 15. Nxd4 Bxd4 {LiveBook: 5 Partien} 16. exd4 Qxf4 {Die Stellung ist ausgeglichen.} 17. g3 Qd6 18. Re1 Bd7 {[#]} 19. Qb3 $146 ({Vorgänger:} 19. Qd2) 19... Rfe8 20. Bf1 Rxe1 21. Rxe1 Rc8 22. h4 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Preotu, Razvan"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2513"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "184"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,184,4,20,15,15,14,0,15,7,13,20,0,0,0,14,16,7,0,2,-30,-24,-24,-31,-41,-40,-49,-59,-56,-47,-79,-56,-40,-47,-42,-41,-28,-33,-43,-43,-41,0,-8,-8,-9,-8,-8,-12,-6,-8,-149,-134,-139,-70,-72,-81,-148,-144,-154,-154,-154,-147,-149,-141,-180,-127,-133,-133,-135,-83,-90,-90,-117,-76,-83,-54,-54,-54,-54,0,-54,-59,-60,-60,-266,-272,-252,-263,-265,-248,-223,-252,-259,-249,-239,-232,-308,-197,-198,-197,-198,-191,-191,-184,-176,-127,-98,0,-316,-310,-312,-312,-310,-252,-223,-237,-223,-205,-310,-310,-299,-264,-220,-205,-205,-189,-196,-189,-363,-189,-189,-189,-223,-222,-635,-635,-630,-552,-543,-511,-543,-523,-628,-621,-552,-506,-985,-993,-662,-852,-618,-493,-896,-840,-627,-664,-1433,-1432,-1410,-1400,-1363,-1362,-1237,-1328]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be6 9. Ng5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Bd7 10. Be2 h6 11. Nf3 Be6 12. O-O Qc6 {LiveBook: 4 Games} 13. Qd3 $146 ({Predecessor:} 13. Ne1 Nbd7 14. Nd3 a5 15. f4 Nxe4 16. Nxe4 Qxe4 17. Qd2 Qh7 18. Qc3 Qe4 19. Qd2 Qh7 20. Qc3 Qe4 {½-½ (18) Erenburg,S (2564)-Xiong,J (2650) Greensboro 2018}) 13... Nbd7 14. Rfd1 Nc5 15. Bxc5 $1 Qxc5 16. Nd2 Rc8 17. Nf1 Be7 18. Ne3 O-O 19. Bf3 Qb4 $36 {[%mdl 2048] Black is pushing.} 20. Ne2 Nd7 {[%cal Bf6d7,Bd7c5,Bc5a4][%mdl 32]} 21. Qa3 (21. c3 {feels hotter.} Qb3 22. Qb1 g6 23. Nf5 gxf5 24. exf5 Bc4 25. Nc1) 21... Qxa3 22. Rxa3 Bg5 23. Rd2 Rc6 24. Rc3 Nc5 25. a5 $1 Rfc8 26. Rd1 Na4 27. Rxc6 Rxc6 28. b3 Bxe3 29. fxe3 Nc5 30. Nd4 exd4 31. exd4 Nd7 32. d5 {[#]} Bxd5 $1 {[%mdl 512]} 33. Rxd5 $11 {[%mdl 4096] Endgame KRB-KRN} Kf8 34. c4 Ke7 35. Kf2 Rc5 36. Ke3 (36. Be2 $11 {remains equal.}) 36... Ne5 $1 $17 37. Kd4 {[#]} Rxa5 $1 {[%mdl 512]} 38. Rxa5 $15 Nc6+ 39. Kc3 (39. Kd5 $142 Nxa5 40. Bd1) 39... Nxa5 $17 {KB-KN} 40. b4 Nc6 41. Bg4 Kd8 42. c5 Ne5 43. Be2 Kc7 (43... Kd7 $19 44. Bd1 dxc5 45. bxc5 Nc6) 44. Kd4 Nc6+ 45. Kc4 Nb8 (45... f6 $142 46. Bh5 dxc5 47. bxc5 b5+ 48. cxb6+ Kxb6) 46. Kd5 dxc5 47. bxc5 Nc6 48. e5 a5 {Hoping for ...a4.} 49. Bd1 Ne7+ 50. Kd4 Nc6+ 51. Kd5 Kd7 52. Ba4 Ke7 53. Bxc6 $2 (53. g3 $15) 53... bxc6+ $19 54. Kxc6 $15 {KP-KP} a4 {aiming for ...a3.} 55. Kb6 a3 {Threatens to win with ...a2.} 56. c6 {intending c7.} a2 57. c7 a1=Q $1 (57... Kd7 58. Kb7 $11) 58. c8=Q $19 {KQ-KQ} Qb2+ (58... Qxe5 59. Qb7+ Kf6 60. Qf3+ Kg6 61. Qg4+ Kh7 62. Qf3 $17) 59. Ka7 Qa2+ (59... Qxe5 60. Qb7+ Kf6 61. Qf3+ Kg6 62. Qg4+ Kh7 63. h3 $17) (59... Qxg2 60. Qc5+ Ke6 61. Qc4+ Kxe5 62. Qxf7 $17) 60. Kb8 Qb3+ (60... Qxg2 61. Qc7+ Ke6 62. Qc4+ Kxe5 63. Qxf7 $17) 61. Ka7 Qa4+ 62. Kb6 Qb4+ 63. Ka6 Qa3+ 64. Kb6 Qb2+ $2 (64... Qd3 $1 $17 65. Qc6 Qd8+ 66. Ka6 Qd4) 65. Ka7 $1 Qf2+ (65... Qxe5 66. Qb7+ Kf6 67. h3 $17) (65... Qxg2 66. Qc7+ Ke6 67. Qc4+ Kxe5 68. Qxf7 $17) 66. Ka6 Qa2+ (66... Qxg2 67. Qc5+ Ke6 68. Qd6+ Kf5 69. Qd7+ Kg6 70. Qd6+ Kh5 71. Qd7 $19) 67. Kb5 Qd5+ 68. Kb4 Qxg2 (68... Qxe5 69. g3 $17) 69. Qc7+ Ke6 70. Qd6+ (70. Qc4+ $142 Kxe5 71. Qxf7) 70... Kf5 71. Qd7+ Kg6 ({Inferior is} 71... Kxe5 72. Qe7+ Kd4 73. Qa7+ (73. Qc5+ Kd3 $11) 73... Kd3 74. Qa3+ Ke2 75. Qa2+ Kf1 76. Qa1+ Ke2 77. Qa2+ Kf1 78. Qa1+ Kf2 79. Qd4+ Ke2 80. Qe5+ Kf1 81. Qa1+ $11) 72. Qd3+ Kg5 73. Kc5 Qf2+ ({And not} 73... Qxh2 74. Qd8+ f6 75. e6 $11) 74. Kc6 h5 ({Worse is} 74... Qxh2 75. Qd8+ Kg6 76. Qd3+ Kh5 77. Qd1+ Kh4 78. Qd4+ Kg3 79. Qc3+ Kf4 80. Qd4+ Kf3 81. Qd3+ Kf4 82. Qd4+ Kf5 83. Qd7+ Kg5 84. Qd8+ Kg6 85. Qd3+ Kh5 86. Qd1+ Kg5 87. Qd8+ $11) 75. Qd8+ $2 (75. Qd5 Kg4 76. Qe4+ Kh3 77. e6 fxe6 78. Qxe6+ Kxh2 79. Qe5+ Kg2 80. Qxg7+ Qg3 81. Qb2+ Kh3 82. Kd7) 75... Kg6 (75... Kg4 $142 76. Qd1+ Kh4) 76. Qd6+ {[#]} Kh7 $1 77. Qd3+ {[#]} g6 $1 {[%cal Bg7g6,Bg6g5][%mdl 32]} 78. h3 $2 (78. Qd5) 78... Qf5 {Black is clearly winning.} 79. Qe3 Qe6+ 80. Kb5 Kg8 81. Qg3 Qf5 82. Kc4 g5 83. Kd4 Kg7 84. Qc3 (84. Ke3 $142 h4 85. Qh2) 84... Qd7+ 85. Ke4 Kg6 86. Qg3 Qf5+ 87. Ke3 (87. Kd5 $142 f6 88. Kd4) 87... Qf1 88. Qh2 Qc4 89. Qb2 Qf4+ 90. Kd3 Qf3+ 91. Kd4 Qxh3 92. Qb6+ Qe6 {Precision: White = 58%, Black = 71%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Raznikov, Danny"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "2498"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,55,20,29,22,9,11,0,6,0,13,11,27,12,24,21,29,12,11,11,12,17,53,56,62,50,52,10,12,0,0,-20,0,-4,0,0,5,-29967]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nf6 6. e3 c6 {E40: Nimzo-Indian: Rubinstein (4 e3): Unusual Black 4th moves} 7. a4 O-O 8. Nf3 b6 9. cxd5 cxd5 10. Ba3 Re8 11. Bb5 {LiveBook: 9 Games} Bd7 12. c4 $146 ({Predecessor:} 12. Be2 Qc7 13. Rc1 Qc6 14. a5 b5 15. Ne5 Qc7 {1-0 (60) Korobov,A (2664)-Brkic,A (2590) Batumi 2018}) 12... a6 13. Bxd7 Nbxd7 14. cxd5 exd5 15. O-O Qc8 16. Rc1 $36 {[%mdl 2048] White is more active.} Qb7 17. Qb3 Rac8 18. h3 h6 19. Nh4 {Hoping for Nf5.} g6 20. Nf3 Rxc1 21. Rxc1 Rc8 22. Rxc8+ Qxc8 23. Nd2 Qc6 {The position is equal.} 24. f3 Ne8 25. e4 Nc7 26. Bb2 Nf8 27. Qc3 Qxc3 28. Nb3 $2 {[%mdl 40960] Precision: White = 48%, Black = 75%. . An unexpected result.} (28. Bxc3 $11 Nfe6 29. Kf2) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Popilski, Gil"]
[Black "Baryshpolets, Andrey"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2491"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,45,15,24,0,4,5,17,4,10,13,4,12,5,13,7,8,15,18,13,0,0,-3,0,-16,-9,-31,-27,-24,-31,-22,-15,-5]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Bg5 {E04: Open Catalan: 5 Nf3} (7. e3 Rb8 8. Qe2 b5 9. b3 cxb3 10. axb3 Bd6 11. Rd1 Qe7 12. Bb2 O-O 13. Rc1 Bb7 14. Ne5 Nb4 15. Bxb7 Rxb7 {1-0 (52) So,W (2778)-Mamedyarov,S (2808) Leuven 2018}) 7... Be7 8. e3 O-O {LiveBook: 20 Games} 9. Qc1 {White has an edge.} h6 10. Bxf6 $1 Bxf6 11. Rd1 $146 ({Predecessor:} 11. Nfd2 e5 12. d5 Na7 13. Nxc4 Nb5 14. Qc2 g6 {½-½ (29) Yuferev,O (2239)-Haba,P (2472) Marianske Lazne 2016}) 11... Na5 12. Nfd2 Rb8 13. Nxc4 Nxc4 14. Qxc4 e5 15. d5 Be7 16. Nd2 {[%cal Bb1d2,Bd2e4,Be4c5][%mdl 32]} Bd6 17. Ne4 Bf5 18. Nc5 a5 19. e4 Bg4 20. Re1 Qe7 21. Rac1 c6 22. h3 Rfc8 23. hxg4 {Precision: White = 59%, Black = 90%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Checa, Nicolas"]
[Black "Lin, Andy"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2478"]
[BlackElo "2274"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,125,15,33,35,29,27,26,19,29,14,7,15,51,0,0,-5,0,0,0,0,0,0,0,-5,0,-15,-23,-22,-23,-16,-17,-17,-7,-17,-8,-8,0,0,31,14,113,113,110,103,122,118,137,119,140,138,110,113,113,104,115,96,102,94,97,96,101,92,103,77,167,118,123,123,130,130,130,93,194,109,131,122,247,233,427,275,316,295,308,285,470,450,691,691,610,445,688,688,664,406,654,671,611,604,581,370,818,415,773,417,29977,29978,29977,29978,29975,29976]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Bg5 Be7 5. Bxe7 Qxe7 6. e3 {D30: Queen's Gambit Declined: Systems without Nc3} (6. Nbd2 Nf6 7. g3 O-O 8. Bg2 b6 9. O-O Bb7 10. Ne5 Nbd7 11. Nxd7 Nxd7 12. Rc1 Rfd8 13. Qb3 Rab8 14. Rfd1 {½-½ (36) Radjabov,T (2741)-Rapport,R (2692) Palma de Mallorca 2017}) 6... Nf6 7. Nc3 O-O 8. Qc2 Nbd7 9. cxd5 cxd5 {LiveBook: 4 Games} 10. Bd3 b6 11. O-O Bb7 12. Rac1 Rfc8 13. Qe2 $146 ({Predecessor:} 13. Qb1 a6 {1-0 (73) Fischer,D (2310)-Jenkinson,S (2310) ICCF email 2016}) 13... Ne4 14. Nb5 Bc6 15. Na3 (15. Rc2 $14) 15... Bb7 $11 16. Ba6 Ndf6 {[%cal Bd7f6,Bf6e8,Be8d6][%mdl 32]} 17. Ne5 Nd6 18. f3 Nfe8 19. Bd3 f6 20. Ng4 e5 21. Qd2 e4 22. fxe4 Nxe4 23. Qe2 N8d6 24. Nf2 Nxf2 25. Qxf2 Rxc1 26. Rxc1 Re8 27. Nb5 Rc8 28. Rxc8+ Bxc8 (28... Nxc8 $11 {keeps the balance.} 29. Qg3 Qb4) 29. Nxd6 $16 Qxd6 {[#]} 30. Bxh7+ $1 {[%mdl 512]} Kf8 (30... Kxh7 31. Qc2+) 31. Bd3 Be6 32. a3 a5 33. h3 Qc7 34. Qd2 Qg3 35. Kf1 Qh2 {With the idea ...Bxh3.} 36. Be2 Bf5 37. Bf3 Bxh3 38. Bxd5 Bg4 39. Qc3 Qh7 40. e4 g5 (40... Qh2 $16) 41. b4 {Hoping for Kg1.} Qh1+ 42. Kf2 axb4 43. Qxb4+ Ke8 44. Qc3 {Qc6+ is the strong threat.} Qd1 {[#]} (44... Bd7 $16 {might work better.} 45. Qe3 Qb1) 45. Bc4 (45. e5 $1 $18) 45... Bd7 46. d5 {Threatens to win with Be2.} Ke7 (46... Kf7 $16 47. Be2 Qa4) 47. e5 $18 {[%cal Be4e5,Be5e6][%mdl 32]} Qg4 $2 (47... fxe5 48. Qxe5+ Kd8 49. Qxg5+ Kc7) 48. Qb4+ Ke8 49. e6 ({Weaker is} 49. exf6 Qf4+ 50. Ke1 Qc1+ 51. Ke2 Bg4+ 52. Kf2 Qf4+ 53. Kg1 Qe3+ 54. Kh1 Qc1+ 55. Kh2 Qf4+ 56. Kh1 Qc1+ 57. Kh2 Qf4+ 58. Kg1 Qe3+ 59. Kh1 Qc1+ $11) 49... Qf4+ 50. Ke1 Qe3+ $2 (50... Qe4+ {keeps fighting.} 51. Be2 Qxb4+ 52. axb4 Bc8 53. Bb5+ Kd8) 51. Be2 Bxe6 (51... Bc8 $142 52. Qd6 Qg1+ 53. Kd2 Qd4+ 54. Bd3 Qb2+ 55. Ke3 Qc3) 52. dxe6 Qxe6 53. Kf1 Qe3 (53... Qf5+ $142 54. Kg1 Qe5 55. Bb5+ Kd8) 54. Bh5+ Kd7 55. Bg4+ Kc7 (55... Kc6 $142 56. Qc4+ Kd6) 56. Qc4+ Kd6 57. a4 Qe5 58. Qd3+ Kc7 $2 (58... Qd5 59. Qc3 Qe5) 59. Qd7+ Kb8 60. Bf3 {[%csl Gf3][%cal Rd7b7]} Qa1+ (60... Qc7 $18 61. Qe8+ Qc8) 61. Kf2 {[%csl Gf3][%cal Rd7b7] White mates.} Qb2+ 62. Kg3 {[%csl Gf3][%cal Rd7b7]} Qe5+ 63. Kg4 {Precision: White = 68%, Black = 32%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Patel, Advait"]
[Black "Reshef, Omer"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2475"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,41,0,9,-11,-10,-20,0,0,4,-6,10,0,25,0,15,21,29,-7,29,-14,-16,-16,0,-28]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. O-O Nxe5 7. dxe5 Nc5 {C43: Petroff Defence: 3 d4} 8. Be3 Nxd3 9. Qxd3 Be7 10. f4 g6 {LiveBook: 6 Games} 11. Nd2 $146 ({Predecessor:} 11. Nc3 c6 12. Ne2 O-O 13. Ng3 Bh4 14. Bc5 Re8 15. Rad1 {½-½ (33) Adams,M (2709)-Sandipan,C (2579) Caleta 2018}) 11... c5 12. Nf3 O-O 13. c3 Be6 14. Rad1 Qd7 15. Bf2 Rfd8 16. h3 Rac8 17. Qd2 b6 18. a3 Bf5 19. Kh2 Be4 20. Qe2 f5 21. exf6 {Precision: White = 41%, Black = 41%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Stremavicius, Titas"]
[Black "Shen, Christopher"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2467"]
[BlackElo "2254"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,112,0,8,8,5,5,10,6,7,8,14,8,20,15,16,15,22,19,32,34,27,25,67,-18,-10,-19,-32,-71,0,-8,0,-29,-28,-53,-47,-88,-88,-94,-100,-114,-97,-100,-90,-214,-158,-168,-170,-162,-172,-177,-147,-158,-137,-125,-147,-147,-133,-116,-126,-131,-91,-103,-104,-470,-504,-490,-485,-489,-481,-522,-492,-486,-299,-522,-524,-515,-466,-460,-485,-539,-536,-532,-522,-642,-653,-629,-602,-618,-597,-713,-711]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 c5 7. d5 e6 8. h3 exd5 9. exd5 Nfd7 10. f4 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2} f5 11. O-O Nf6 (11... Re8 12. Bd2 Na6 13. Re1 Nf6 14. Ng3 Rxe1+ 15. Bxe1 Bd7 16. a3 Kh8 17. Bf2 Rc8 {0-1 (56) Malakhov,V (2712)-Grischuk,A (2771) Moscow 2010 CBM 140 [Krasenkow,M]}) 12. Be3 Na6 {LiveBook: 5 Games} 13. a3 Re8 14. Bf2 Bd7 15. Rb1 Nc7 16. b4 $146 ({Predecessor:} 16. Kh1 Kh8 17. b4 b6 {1-0 (40) Kovacevic,B (2458)-Brkic,B (2279) Neum 2002}) 16... b6 17. Kh1 Qc8 18. b5 Ne4 19. Be1 Re7 20. Bh4 Re8 21. Qc2 {[%cal Rc3e4]} Nf6 22. a4 a5 23. bxa6 (23. Rbe1 $14) 23... Qxa6 24. Qb3 Re3 25. Rfd1 {[#]} Rb8 (25... Nfxd5 $1 $17 {[%mdl 512] White must now prevent ...Nb4.} 26. Nxd5 Nxd5 27. cxd5 Bxa4) 26. Bf2 Ree8 27. Ng3 Qa5 28. Nb5 Nxb5 29. cxb5 Ra8 30. Bc2 Qa7 31. Qc4 Qb7 32. Re1 Rxe1+ (32... Nxd5 33. Bb3 $16) (32... Qxd5 $6 33. Qxd5+ Nxd5 34. Bb3 $14) 33. Bxe1 (33. Rxe1 $17 Be8 34. Bb3) 33... Be8 34. Bb3 Bf7 {[%cal Rf7d5]} 35. Rd1 Re8 36. Bc3 Re3 37. Nf1 Re4 38. Qd3 Rxf4 39. Nd2 Qe7 ({Much worse is} 39... Nxd5 $6 40. Bxg7 Kxg7 41. Nf3 $15) 40. a5 bxa5 {[#] Hoping for ...Ng4!} 41. b6 Qb7 42. Qb5 {Threatens to win with Qc6.} Nxd5 43. Bxd5 $4 {[%mdl 8192]} (43. Bxa5 $17 {is a better chance.} Rd4 44. Rb1) 43... Bxd5 $19 ({Don't go for} 43... Qxd5 $2 44. b7 $18) 44. Qe8+ Bf8 45. Nf3 Re4 ({Not} 45... Rxf3 46. gxf3 Bf7 47. Qe3 $19) 46. Qd8 Re7 47. Nh4 Rd7 48. Qe8 $2 (48. Qg5 Be4 49. Qf6) 48... Bf7 {Black is clearly winning.} 49. Qe1 Qxb6 50. Bxa5 Qc6 51. Bc3 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 52. Nf3 Re7 53. Qg3 d4 54. Bd2 Re8 55. Bf4 Bg7 56. Ne5 Qd5 {Precision: White = 46%, Black = 51%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Arribas Lopez, Angel"]
[Black "Shtembuliak, Evgeny"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2460"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,70,24,27,0,0,-14,-1,-44,33,6,20,37,87,76,70,53,88,89,111,33,41,37,75,21,29,0,0,0,12,-30,-38,-52,-54,-111,0,0,0,0,0,0,0,0,0,-44,-56,-61,-67,-55,0,0,0,-54,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. f4 Nc6 7. c3 b5 8. a3 a5 9. Nf3 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} Ba6 {LiveBook: 7 Games} (9... g6 10. g4 h5 11. Bh3 hxg4 12. Bxg4 Ba6 13. h4 b4 14. axb4 axb4 15. Be3 bxc3 16. bxc3 Bxe2 17. Kxe2 cxd4 18. cxd4 {0-1 (32) Selin,V (2322)-Moskalenko,A (2531) Sochi 2017}) 10. g4 Be7 11. f5 cxd4 $146 ({Predecessor:} 11... Bh4+ 12. Ng3 Nf8 13. Be3 h5 14. g5 cxd4 15. cxd4 Bxg3+ 16. hxg3 exf5 {0-1 (43) Zimmermann,C (2045)-Wichmann,C (2360) Dresden 2013}) 12. cxd4 b4 (12... O-O $1 $15) 13. h4 bxa3 14. bxa3 Nb6 15. Nf4 Bxf1 16. Kxf1 Qd7 17. Qd3 Nc4 18. Ng5 (18. Ra2 $16) 18... Bxg5 $1 $14 19. hxg5 O-O-O 20. Ra2 (20. Rb1 $16) 20... Qa7 $11 21. fxe6 fxe6 22. Nxe6 Rde8 23. Nc5 Rhf8+ 24. Kg2 N6xe5 $1 25. Qxh7 {[#]} ({White should play} 25. Qd1 $15) 25... Nc6 (25... Nf3 $1 $17 {[%cal Rf3d4]} 26. Qd3 Qf7 27. Qf5+ Qxf5 28. gxf5 Rxf5) 26. Qd3 Qf7 {Threatens to win with ...Ne3+!} 27. g6 $36 {[%mdl 2048] White fights for an advantage.} Qf6 {And now ...Ne3+! would win.} 28. g5 (28. Qb3 {[#] leads to mate.} Ne3+ $1 {[%mdl 512]} 29. Bxe3 Qf3+ 30. Kg1 Qg3+ 31. Rg2 Qe1+ 32. Kh2 Rh8+ 33. Bh6 Rxh6+ 34. Qh3 Rxh3+ 35. Kxh3 Rh8#) 28... Qxd4 {( -> ...Qg4+)} 29. Qh3+ Kc7 $1 30. Ne6+ {[#]} Rxe6 $1 {[%mdl 512]} 31. Qxe6 N4e5 32. Re1 $1 {aiming for Rc2.} Nf3 {[%mdl 1024] ...Rf5! is the strong threat. Black has compensation.} (32... Qc3 $5 {[%cal Rc3f3]} 33. Rxe5 Qf3+ 34. Kg1 Qg3+ 35. Rg2 Qxe5 36. Qxe5+ Nxe5 $17) 33. Rh1 {Strongly threatening Rc2.} Nfe5 34. Re1 $1 {Hoping for Rc2.} Nf3 (34... Qc3 $15 35. Rxe5 Qf3+ 36. Kg1 Qg3+ 37. Rg2 Qxe5 38. Qxe5+ Nxe5 39. Rc2+ Kd6) 35. Rh1 {Black must now prevent Rc2.} Nfe5 {Precision: White = 38%, Black = 50%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Wheeler, Cameron"]
[Black "Berczes, David"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2406"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,16,16,22,11,68,36,57,52,41,4,12,9,32,35,36,18,24,22,49,37,47,42,155,150,230,225,234,222,258,243,335,324,870,852,1048,1031,930,930,1358,702,704,689,889,779,756,749,4970,4870]} 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. c4 g6 5. Bg2 Bg7 6. O-O O-O 7. d5 Ne4 {A50: Damenindisch (ohne e7-e6)} (7... e6 8. Nc3 Re8 9. Nd4 exd5 10. cxd5 Na6 11. e4 Nc5 12. Re1 Nxd5 13. exd5 Rxe1+ 14. Qxe1 Bxd4 15. Be3 {0-1 (39) Melkumyan,H (2633)-Mamedyarov,S (2799) Riadh 2017}) 8. Qc2 f5 9. Rd1 Na6 10. Be3 {LiveBook: 3 Partien} c6 $146 ({Vorgänger:} 10... Qe8 11. Bd4 e5 12. dxe6 Bxd4 13. Nxd4 dxe6 14. Nd2 Nd6 15. Bxb7 Nxb7 {½-½ (33) Esipenko,A (2589)-Kovalenko,I (2641) Riga 2018}) 11. Bd4 Bh6 (11... Bxd4 $11 12. Nxd4 cxd5) 12. Nc3 cxd5 13. cxd5 Rc8 14. Qb1 Nac5 15. Ne5 {[%cal Rg2e4]} Nxc3 16. Bxc3 Ba6 17. e3 Bg7 18. d6 exd6 19. Rxd6 {[#] Und Dd1 würde nun gewinnen.} Qe7 20. Qd1 $1 Kh8 ({Günstiger ist} 20... Bxe5 $14 21. Qd5+ Rf7 22. Qxe5 (22. Bxe5 Bb7 $17) 22... Qxe5 23. Bxe5 Ne4) 21. Nxd7 $16 Bxc3 (21... Rfd8 $16) 22. bxc3 $18 Nxd7 23. Rxd7 Qf6 24. Qa4 ({Finger weg von} 24. Rxa7 $6 Rfd8 $16) 24... Qxc3 25. Rad1 {[#] Beabsichtigt Dh4 und Matt.} Qc4 $2 (25... Bc4 26. Qxa7 Kg8 27. Rxh7 Rcd8) 26. Qa3 {Weiß steht klar auf Gewinn.} Bb5 27. Qb2+ Qc3 28. Qxb5 Rc5 29. Qd3 Qxd3 30. R1xd3 Ra5 31. Bd5 Rc8 32. Bb3 Ra3 33. Re7 {Precision: Weiß = 63%, Schwarz = 29%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Wang, Justin"]
[Black "Dejmek, Mark"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2391"]
[BlackElo "1998"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,109,14,18,19,42,42,46,44,43,31,38,10,18,0,20,0,0,0,29,0,0,0,18,5,23,5,11,0,0,0,11,11,11,11,17,11,41,43,29,42,39,25,199,197,185,141,529,545,489,485,589,481,477,378,1301,877,1409,779,1318,811,1289,1198,2129,2007,1924,1625,5165,4341,2553,2818,2786,2820,29976,29976,29968,6111]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 Bxd4 13. Qxd4 Qb6 14. Na4 Qc7 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} 15. Bc4 (15. Nc5 Rd8 16. Bc4 Bf5 17. Bb3 Nb6 18. Qc3 h5 19. g3 Nd5 20. Qc4 e6 21. Rhe1 Qe7 22. Nd3 {½-½ (32) Adams,M (2715)-Nakamura,H (2781) London 2017}) 15... Rd8 16. g4 Be6 17. Nc5 Nf4 18. Nxe6 Nxe6 {LiveBook: 5 Games} 19. Qe4 Qf4+ 20. Qxf4 Nxf4 21. Rhe1 Kf8 {[#]} 22. Ba6 $146 ({Predecessor:} 22. Bf1) 22... Rab8 23. c3 g5 24. b4 h6 25. a4 e6 26. Kc2 Ng2 {[#] And now ...Rxd1 would win.} 27. Re4 (27. Rxd8+ {feels hotter.} Rxd8 28. Re4 Rd7 29. c4 Nh4 30. f4) 27... Rxd1 28. Kxd1 $11 {[%mdl 4096] Endgame KRB-KRN} Rd8+ 29. Kc2 Rd7 30. Bf1 Nf4 31. Bc4 Ke7 32. h4 f6 33. hxg5 hxg5 34. Re1 Kf8 35. Rh1 Kg8 36. a5 Kg7 37. Bb3 f5 38. Ba4 Rd6 $2 {[#]} (38... Rc7 $11) 39. Rd1 $18 Rxd1 40. Kxd1 fxg4 $2 {[%mdl 8192]} (40... c5 $16 {is a better chance.}) 41. fxg4 {KB-KN} Kf6 42. Bxc6 Ke5 43. Kd2 Ng6 44. Ke3 Ne7 $2 (44... Kd6) 45. Bb7 Ng8 46. Bf3 Nf6 47. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Ne8 48. b5 Nd6 49. Kd3 Kf4 50. Bc6 Kxg4 51. c5 Nf7 52. Kd4 Kf4 53. b6 axb6 54. cxb6 Ne5 55. Kc5 {Precision: White = 64%, Black = 26%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Daggupati, Balaji"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2370"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,-4,-14,-6,-14,18,19,25,18,52,34,29,33,54,57,56,54,64,36,58,110,200,104,129,68,129,122,117,126,152,83,74,66,70,71,94,96,117,108,127,96,85,75,115,122,117,115,116,98,101,101,98,98,111,97,177,167,315,315,315,216,321,231,29993,29994,29994,29995]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. h3 {A28: English Opening: Four Knights Variation} O-O 7. Be2 (7. g3 Nd4 8. Bg2 Nxf3+ 9. Qxf3 c6 10. O-O a6 11. Be3 b5 12. cxb5 axb5 13. a3 Bxc3 14. bxc3 {1-0 (43) Lenderman,A (2599)-Onischuk,A (2672) Saint Louis 2018}) 7... h6 8. O-O {LiveBook: 3 Games. The position is equal.} Bc5 9. Na4 $146 ({Predecessor:} 9. a3 a5 10. Be3 Re8 11. Qb3 Nd4 12. Bxd4 exd4 13. Na4 Ba7 {0-1 (43) Chogdov,M (2245)-Darini,P (2491) Zaozhuang 2012}) 9... Bd4 10. Nxd4 Nxd4 11. f4 Re8 12. Nc3 c6 13. Be3 Be6 14. Qd2 Nxe2+ 15. Nxe2 exf4 16. Nxf4 Qe7 17. Rf3 (17. b3 $14) 17... d5 (17... Nd7 $16) 18. cxd5 (18. exd5 $1 $18 cxd5 19. Bd4) 18... cxd5 $16 19. e5 (19. Bd4 $16) 19... Nd7 (19... d4 $14) 20. d4 Nb6 21. b3 Rac8 22. Qf2 (22. Qd3 $142) 22... Bf5 23. Nxd5 Nxd5 24. Rxf5 Nxe3 25. Qxe3 Qe6 26. Raf1 Re7 27. h4 Rd7 28. h5 Qd5 29. R5f4 {[%cal Bf5f4,Bf4g4,Bg4g6][%mdl 32]} Qe6 30. Qg3 {And now Rg4 would win.} Kh8 31. Rg4 Rc3 32. Rf3 Rxf3 33. Qxf3 {[%mdl 4096] Endgame KQR-KQR} Qb6 34. Qf2 Qe6 {[#]} (34... a5 $16) 35. Qg3 $1 $18 f6 {[#]} (35... Qd5 $142 36. Rxg7 Qxd4+ 37. Kh2 Rd8 38. Rxf7 Rg8) 36. Rg6 $1 Rf7 37. Qf2 Qd5 (37... Kh7 $142 38. Qf3 a6) 38. exf6 {[%cal Be5f6,Bf6g7][%mdl 32]} Qxh5 $2 (38... Kh7 $18 39. Qh4 Rxf6) 39. fxg7+ Kg8 {[#]} 40. Qxf7+ $1 {[%mdl 512] Precision: White = 57%, Black = 35%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Li, Ben"]
[Black "Javakhadze, Zurab"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2324"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,78,41,46,81,58,81,78,74,28,61,62,64,40,38,35,80,17,68,20,16,0,61,5,31,25,89,81,84,91,120,81,74,74,95,102,95,82,95,40,28,-15,-16,-195,-195,-379,-379,-593,-593,-562,-538,-489,-466,-785,-404,-430,-418,-448,-449,-461,-441,-841,-841]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6 6. Qc2 Bg7 7. e4 d6 8. h3 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} (8. Be2 O-O 9. O-O Nbd7 10. Rd1 a6 11. h3 h6 12. Be3 Qe7 13. b4 Rfd8 14. Rab1 Rab8 15. d5 Re8 {0-1 (53) Perelshteyn,E (2524)-Howell,D (2701) Douglas 2017}) 8... O-O 9. Bg5 h6 10. Be3 {LiveBook: 4 Games. White is slightly better.} Nc6 $146 ({Predecessor:} 10... Nbd7 11. Be2 e5 12. d5 a5 13. Nd2 Nc5 14. O-O Qe7 15. b4 axb4 16. axb4 {1-0 (35) Saber,Y (2230)-Henrichsen,J (2012) Gibraltar 2016}) 11. Be2 Nd7 12. Qd2 Kh7 13. O-O e5 14. d5 Ne7 15. b4 f5 16. Qc2 Nf6 17. Rac1 (17. exf5 $16 Nxf5 18. Rad1) 17... c5 ({Better is} 17... fxe4 $11 18. Nd2 (18. Nxe4 Nxe4 19. Qxe4 c6 $11) 18... c6) 18. dxc6 (18. Bd3 {looks sharper.} Bc8 19. exf5 Nxf5 20. Bd2 Kg8 21. Ne4) 18... Bxc6 {[%cal Rf6e4]} 19. exf5 gxf5 (19... Nxf5 $11 20. Bd3 Qd7) 20. c5 (20. Nh4 $14) 20... bxc5 21. bxc5 {[#] aiming for Rfd1.} Bxf3 (21... Nfd5 $11) 22. cxd6 ({Don't play} 22. gxf3 $6 d5 $11) 22... Qxd6 23. Bxf3 Rac8 24. Qb3 {Hoping for Nb5.} e4 25. Be2 Qe5 26. Rfd1 Rfd8 27. Rxd8 Rxd8 28. Nb5 ({White should try} 28. Bxa7 $16 Nc6 29. Be3) 28... a6 $14 29. Nc7 f4 30. Qe6 $2 {[#]} (30. Bb6 $11) 30... Qb2 $1 $19 31. Qxe7 $2 (31. Bxf4 Ng6 32. Qf5 Qxe2 33. Ne6) 31... fxe3 32. Re1 (32. Kh2 $142 Qxc1 33. Ne6) 32... exf2+ 33. Kxf2 Qb6+ 34. Kf1 Rd7 ({Not} 34... Rd2 35. Ne6 $11) 35. Na8 (35. Qe5 $142 Rxc7 36. Qf5+ Kh8 37. Qf2) 35... Qc6 ({Worse is} 35... Rxe7 36. Nxb6 Rb7 37. Nc8 $11) 36. Qe5 Qxa8 37. Qf5+ Kh8 {Black is clearly winning.} 38. Rc1 Rd8 39. Rc7 (39. Kg1 $142) 39... Nd5 {Precision: White = 27%, Black = 56%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Guo, Arthur"]
[Black "Nguyen, Emily"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2283"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,40,12,0,8,0,0,0,25,21,30,14,30,12,3,6,1,9,8,4,12]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3a2][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3 d6 9. a3 Na5 {C88: Closed Ruy Lopez: Anti-Marshall Systems} 10. Ba2 Be6 11. Nc3 c5 12. Bg5 {LiveBook: 4 Games} Nc6 13. Bxf6 Bxf6 14. Nd5 {[#]} Bxd5 $146 (14... Nd4 {keeps more tension.} 15. Nd2 Nc6 16. c3 Bg5 17. Nf3 Bh6) ({Predecessor:} 14... g6 15. c3 Bg7 16. h4 Kh8 17. g3 {1-0 (75) Kamsky,G (2762)-Karjakin,S (2775) Beijing 2012}) 15. Bxd5 Qc7 16. Nd2 Rad8 17. Nf1 Ne7 {The position is equal.} 18. Ba2 d5 19. exd5 Nxd5 20. Qf3 Nb6 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Kumar, Nikhil"]
[Black "Stefanov, Emil"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2268"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,94,14,2,0,0,4,-43,-31,-55,-29,-36,-33,-103,-104,-118,-103,-106,-83,-83,0,41,57,18,29,-3,-23,-34,0,-106,-81,-85,-50,-103,-92,-154,-130,-125,-126,-153,-32,0,0,0,0,-164,-175,-274,-267,-262,-242,-704,-437,-691,-677,-655,-614,-604,-575,-819,-909,-777,-701,-5700,-5774,-29970,-29971,-29976,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29982]} 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Ng5 f5 5. Nc3 Be7 6. Nh3 c6 7. e3 Nf6 8. Be2 O-O 9. O-O Na6 {A21: English Opening: 1...e5 2 Nc3} 10. Bd2 {LiveBook: 3 Games} (10. d5 Bd7 11. a3 c5 12. f3 exf3 13. gxf3 Qe8 14. Kh1 Bd8 15. Rg1 Ba5 16. Nb5 Qe7 17. Nf4 {1-0 (29) Papp,G (2593)-Vovk,Y (2588) Slovakia 2014}) 10... Nc7 11. f3 exf3 {The position is equal.} 12. gxf3 $146 ({Predecessor:} 12. Bxf3 Be6 13. Qb3 b5 14. Bxc6 Bxc4 15. Qc2 Bxf1 16. Bxa8 Qxa8 17. Rxf1 {1-0 (80) Herraiz Hidalgo,H (2394)-Nelson,J San Sebastian 1999}) 12... d5 13. Be1 Be6 14. Nf4 Bf7 15. Nd3 (15. Bd3 $15) 15... dxc4 $17 16. Ne5 b5 $1 17. Nxc6 Qe8 $1 {[%cal Re8c6]} 18. Ne5 f4 (18... Bd6 $17 19. f4 b4) 19. e4 $14 Be6 20. Kh1 Rd8 21. Bf2 Bd6 $36 {[%mdl 2048] White must now prevent ...Bxe5. Black is pushing.} 22. Qc2 a6 23. Rg1 {[#]} (23. a4 $11) 23... Bxe5 $1 $17 24. dxe5 Nd7 25. Bd4 (25. Rad1 $15) 25... Qh5 26. Nd5 ({White should try} 26. b3) 26... Nxd5 27. exd5 Bxd5 28. e6 Bxf3+ ({Black should play} 28... Ne5 $17 29. e7 Bxf3+ 30. Bxf3 Qxf3+ 31. Rg2 Rxd4 32. exf8=N Kxf8 33. Qf5+ Nf7 34. Qc5+ Rd6) 29. Bxf3 $15 Qxf3+ 30. Qg2 Qxg2+ 31. Rxg2 $2 (31. Kxg2 $11 {and White is okay.} Nf6 32. e7 Rxd4 33. exf8=R+ Kxf8 34. Rad1) 31... Nf6 $19 32. Rag1 {[#]} (32. Bc3 $142 f3 33. Rg3) 32... g6 $1 ({Don't do} 32... Rxd4 33. Rxg7+ Kh8 34. e7 $17) 33. e7 Rxd4 34. Rxg6+ $2 (34. exf8=Q+ Kxf8 35. Re2) 34... hxg6 35. Rxg6+ Kf7 36. exf8=Q+ Kxf8 37. Rxf6+ {[%mdl 4096] Endgame KR-KR} Ke7 38. Rxa6 f3 {[%cal Rd4d1]} 39. Kg1 Rd2 40. a4 Rxb2 41. axb5 c3 {Black mates.} 42. b6 c2 {[%cal Rc2c1]} 43. Ra7+ Ke6 {[%cal Rc2c1]} 44. Rc7 Rb1+ 45. Kf2 c1=Q 46. Rxc1 Rxc1 47. b7 Rb1 {Precision: White = 26%, Black = 71%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Findlay, Ian T"]
[Black "Hung, Daniel"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2263"]
[BlackElo "2104"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,56,30,33,35,52,47,68,72,36,69,70,63,53,75,69,81,42,49,66,50,56,80,38,38,0,0,-18,-23,-24,-26,-25,-22,-28,29,29,26,-29,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 {LiveBook: 744 Games} b5 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} (11... Qc7 12. Qe2 Bc5 13. c3 O-O 14. Bg5 b5 15. Bd3 Nd5 16. Qh5 g6 17. Qh4 Bb7 18. a4 bxa4 19. Rxa4 Rfe8 20. Nf3 {1-0 (29) Wei,Y (2729)-So,W (2780) chess.com INT 2018}) 12. Bb3 {Strongly threatening Qf3.} Be7 13. Qf3 Ra7 {White is slightly better.} 14. Qc6+ Qxc6 $146 ({Predecessor:} 14... Qd7 15. Bf4 Bb7 16. Qb6 Bd5 17. Nf5 Rb7 18. Qxa6 Ra7 19. Nd6+ Bxd6 20. Qxd6 Qxd6 21. Bxd6 {1-0 (33) Bacino,G (2036)-Naumovic,J (2233) IECG email 1998}) 15. Nxc6 Rc7 16. Nxe7 Kxe7 17. Bf4 Rd7 18. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} Nd5 19. Be5 f6 20. Bd4 Kd6 21. axb5 e5 22. Bxe5+ fxe5 23. Rad1 Kc5 $1 24. Rxe5 {[%cal Rb3d5]} Rhd8 25. bxa6 $1 Bxa6 26. f3 Bc4 ({Black should try} 26... Bb7) 27. Ba4 $11 Bb5 {[#]} 28. Bb3 (28. b4+ $142 $1 {[%mdl 512]} Kc6 (28... Kxb4 29. Re4+) 29. Re6+ Rd6 30. Rxd5 Bxa4 31. Rexd6+ Rxd6 32. Ra5 Rd1+ 33. Kf2 Rd2+ 34. Ke3 Rxc2 35. Rxa4) 28... Bc4 {Precision: White = 40%, Black = 35%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Easton, Jack"]
[Black "Kung, Thomas"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2262"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,111,0,29,0,31,15,20,12,17,22,39,0,6,-35,-50,-41,-43,-47,-36,-44,-40,-59,-59,-60,-68,-75,-59,-57,-58,-61,-60,-58,-58,-65,-65,-65,-59,-59,-59,-66,0,-2,0,0,0,0,0,-631,-660,-554,-459,-911,-890,-941,-931,-930,-613,-564,0,0,0,-484,-74,-385,-126,-431,0,0,0,0,0,0,0,-29967,-29970,-29971,-29973,-29973,-29974,-29972,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 O-O 10. Rc1 cxd4 11. cxd4 Qxd2+ {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (11... Nc6 12. d5 Qxd2+ 13. Bxd2 Ne5 14. Bb4 Bd7 15. Be2 Rfc8 16. O-O e6 17. Bd6 Nxf3+ 18. Bxf3 exd5 19. exd5 Rxc1 20. Rxc1 {½-½ (38) Baryshpolets,A (2609)-Corrales Jimenez,F (2542) Sturbridge 2018}) 12. Bxd2 Rd8 {LiveBook: 6 Games} 13. Bb5 b6 $146 ({Predecessor:} 13... Nc6 14. d5 Nd4 15. Nxd4 Bxd4 16. Bc3 {½-½ (16) Rojicek,V (2433)-Caletka,R (2362) Czechia 2015}) 14. O-O Ba6 15. a4 Bxb5 16. axb5 a6 17. Rc7 axb5 18. Rfc1 Na6 19. Rxe7 Bxd4 20. Nxd4 Rxd4 21. Be3 Rc4 22. Ra1 Ra4 23. Rb1 Nc5 24. g3 Ra1 25. Rxa1 Rxa1+ $15 {[%mdl 4096] Endgame KRB-KRN} 26. Kg2 Ra8 27. Rc7 b4 {...b3 is the strong threat.} 28. Bxc5 bxc5 29. Rxc5 {KR-KR} Rb8 30. Rc2 $1 Kf8 31. Kf3 Ke7 (31... g5 $15) 32. Ke3 $1 $11 g5 33. f3 $1 b3 34. Rb2 Kd6 35. h4 $2 {[%mdl 8192]} (35. Kd4 $11) 35... gxh4 $19 36. gxh4 Kc5 37. Kd3 (37. Kd2 $142 Kb4 38. Rb1) 37... Kb4 38. Rb1 Ka3 39. Ra1+ Kb2 40. Ra7 Kc1 {aiming for ...b2.} 41. Ra1+ $1 Kb2 42. Ra7 Rd8+ $2 (42... Kb1 $19 {Hoping for ...b2.} 43. Kd2 b2) 43. Ke2 $2 {[%mdl 8192]} (43. Ke3 $17) 43... Rc8 $2 (43... Rf8 $19 {has better winning chances. White must now prevent ...Kc2.} 44. h5 Kc2 45. Rc7+ Kb1) 44. Rxf7 $2 {[%mdl 8192] [#]} (44. Kd2 $17) 44... Kc2 $2 (44... Kc3 $1 $19 45. Rxh7 b2) 45. Rxh7 $11 b2 46. Rb7 b1=Q 47. Rxb1 Kxb1 {KR-K3P} 48. e5 $2 {[%mdl 8192] [#]} (48. Ke3 $11) 48... Kc2 49. f4 Kc3 50. Ke3 Kc4 51. Ke4 Kc5 $2 (51... Rh8 {mates} 52. e6 Kc5 53. Ke5 Kc6 54. Kf6 Rxh4 55. Ke5 Rh5+ 56. f5 Rh6 57. f6 Rh5+ 58. Kf4 Kd6 59. f7 Ke7 60. Ke4 Rh3 61. Kd5 Re3 62. Kc4 Rxe6 63. Kb4 Kxf7 64. Kc4 Re5 65. Kd3 Ke6 66. Kd4 Kd6 67. Kc4 Rd5 68. Kb4 Rd4+ 69. Kb3 Kc5 70. Kc3 Rd8 71. Kb3 Rd3+ 72. Ka2 Kb4 73. Kb2 Rd2+ 74. Kc1 Kc3 75. Kb1 Kb3 76. Kc1 Rd4 77. Kb1 Rd1#) 52. f5 {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32] The position is equal.} Rh8 (52... Rb8 $5 53. f6 $8 Rb4+ 54. Kf5 Kd5 $11) 53. f6 $1 Rxh4+ (53... Kc6 $5 54. Kf5 $8 Kd7 55. e6+ Kd6 $11) 54. Kf5 {Strongly threatening f7.} Kd5 55. f7 $1 {[%cal Rf7f8]} Rh1 {( -> ...Rf1+)} ({Wrong is} 55... Rh8 $2 56. e6 $18) 56. Kf6 {Precision: White = 55%, Black = 49%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Wang, Jason"]
[Black "Free, Graham"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2184"]
[BlackElo "1926"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,116,21,25,52,62,73,79,83,85,205,208,255,271,263,253,247,262,257,229,239,195,179,173,180,167,167,169,198,202,239,224,241,248,325,329,530,533,489,350,349,327,387,394,388,392,389,378,458,443,534,531,530,529,535,534,527,530,492,4,4,4,4,4,8,8,8,0,8,-7,0,0,0,0,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. O-O Be7 9. Qb3 Qb6 10. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4a5][%mdl 32] D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines} O-O 11. Nc4 Qxb3 12. axb3 {LiveBook: 14 Games. The position is equal.} Bc2 $146 ({Predecessor:} 12... Be4 13. Bf4 {½-½ (13) Khalifman,A (2640)-Roiz,M (2590) Sochi 2006}) 13. Na5 Bb4 14. Nxb7 Bxb3 15. Bd2 Be7 (15... Bd5 $16 {was worth a try.}) 16. Ne5 $18 Nxe5 17. dxe5 Nd7 {[%cal Bf6d7,Bd7e5,Be5d3][%mdl 32]} 18. Na5 Bd5 19. e4 Nxe5 20. exd5 cxd5 21. Be3 Rfc8 22. Rfc1 Nd3 23. Rxc8+ Rxc8 24. b3 Nb4 {and the idea ...Nc2 leaves Black hopeful.} 25. Bxa7 Ra8 26. Bb6 Ra6 27. Bc7 f6 28. Ra4 Bc5 $2 {[#]} (28... Kf8 {might work better.} 29. Bh3 h5) 29. Nb7 Be7 30. Rxa6 Nxa6 31. Bb6 Kf7 32. Bf1 Nb4 33. Bb5 e5 34. Nd8+ Kg6 35. Nc6 Nxc6 36. Bxc6 d4 37. Ba5 f5 38. f3 d3 39. b4 Bg5 40. b5 $2 {[#]} (40. Kf2 $18) 40... d2 $11 41. Bxd2 Bxd2 {[%mdl 4096] Endgame KB-KB} 42. Kf2 Ba5 43. Ke3 Kf6 44. Bd7 g6 45. g4 h6 46. Kd3 Ke7 47. Bc8 Kd6 48. gxf5 {White is slightly better.} gxf5 49. Bxf5 Bb6 50. Ke4 Bg1 51. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Bh2 52. Bc8 Kc5 53. Bd7 Bg3 54. h5 Bh2 55. Bc6 Bg3 56. Kf5 Bh2 57. Ke6 Kb6 58. Kd5 Bg3 {Precision: White = 80%, Black = 56%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Vivekananthan, Anish"]
[Black "Chua, Alexander"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2132"]
[BlackElo "2332"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,42,32,45,14,34,15,65,44,51,44,49,0,56,0,0,-22,-25,-125,-119,-131,-119,-124,-120,-129,-69,-180,-73,-66,-16,-20,-21,-13,-4,-264,-237,-260,-283,-546,-554,-588,-580,-572,-560,-925,-941,-918,-658,-629,-659,-658,-658,-648,-617,-606,-591,-538,-411,-411,-411,-412,-411,-411,-379,-350,-261,-370,-195,-200,-195,-208,-177,-216,-138]} 1. b3 e5 2. Bb2 d6 3. d4 e4 4. d5 f5 5. e3 Nf6 6. Nh3 {LiveBook: 8 Partien. A01: Larsen-Eröffnung} Nbd7 7. Nf4 {zielt auf Se6 ab.} Ne5 8. Nc3 {Weiß steht etwas besser.} c6 $146 ({Vorgänger:} 8... Qe7 9. h4 g6 10. Qd2 Bg7 11. Nb5 Nfg4 12. O-O-O Bf6 13. Nd4 Bxh4 {0-1 (65) Karayev,A (2275)-Abasov,N (2522) Kemer 2009}) 9. dxc6 bxc6 10. Be2 Be7 11. h4 O-O (11... Nfg4 $11) 12. Qd2 (12. h5 $14) 12... Nfg4 $11 13. g3 d5 14. Nh3 (14. Na4 $11) 14... Ba6 $1 $17 15. O-O-O Bxe2 16. Qxe2 Bb4 17. Qa6 Qb6 (17... Qe7 $17 18. Ne2 Rfb8) 18. Qa4 {[#]} ({Besser ist} 18. Qxb6 $15 axb6 19. a4) 18... Nxe3 (18... Nxf2 $1 $19 {[%mdl 512] und Schwarz behält klar die Oberhand.} 19. Nxd5 (19. Nxf2 Qxe3+) 19... cxd5 20. Nxf2 Qxe3+ 21. Kb1 Bc3 22. Bxc3 Qxc3) 19. Nxd5 Nd3+ 20. Rxd3 $1 Nxd5 21. Rdd1 a5 $36 {[%mdl 2048] Schwarz kämpft um Vorteil.} 22. Ng5 $2 {[%mdl 8192] [#]} (22. Nf4 $11 {und Weiss ist OK.}) 22... Qb7 $1 $19 {Und weiter mit ...Sb6 wäre nett.} 23. Bd4 {[#]} Rfe8 $1 24. Rhf1 $2 (24. Kb1 h6 25. Nh3) 24... h6 25. Nh3 e3 26. fxe3 Re4 27. c4 {[#]} Rxd4 $1 {[%mdl 512]} 28. cxd5 {[#]} (28. Rxd4 Nc3) 28... Bd2+ $1 {[%mdl 512]} 29. Rxd2 Rxa4 30. bxa4 cxd5 31. Nf4 Rb8 {[%csl Gb8][%cal Rb7b1]} 32. Kd1 Qa6 33. Nd3 Qc4 34. Rf4 Qc3 35. Rxf5 Re8 36. Rf3 Qc4 37. Rf4 Re4 38. Ke2 (38. Nf2 {war nötig.} Qf1+ 39. Kc2) 38... Qxa4 (38... g5 $142 39. hxg5 hxg5) 39. Nf2 {Schwarz steht deutlich besser.} Qb5+ 40. Kf3 Re6 41. Rf5 Qc4 {[%mdl 32768] Precision: Weiß = 34%, Schwarz = 50%. . Loss on Time!?} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Kumar, Naman"]
[Black "Drozdowski, Kacper"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1914"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,72,33,44,-4,24,26,26,16,58,37,60,0,-9,-54,-20,-39,-32,-109,-89,-95,-93,-133,-107,-187,-189,-349,-129,-123,-132,-211,-191,-203,-197,-204,-186,-196,-193,-204,-196,-233,-221,-215,-220,-231,-210,-306,-296,-308,-307,-306,-305,-317,-316,-304,-316,-447,-460,-443,-432]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nc6 4. d5 Nb8 5. Nf3 g6 6. Be2 Bg7 7. O-O c6 8. h3 O-O {LiveBook: 70 Games} 9. Bf4 {B08: Pirc Defence: Classical System} (9. a4 b6 10. Nd4 Bb7 11. a5 c5 12. Nb3 Na6 13. Bf4 Nc7 14. Qd2 Rb8 15. axb6 axb6 16. Rfe1 Re8 {½-½ (35) Svidler,P (2765)-Carlsen,M (2837) Riadh 2017}) 9... Nbd7 10. Re1 cxd5 11. exd5 {White has an edge.} Nc5 12. Be3 $146 ({Predecessor:} 12. Bf1 Re8 13. Qd2 Bd7 14. Bh6 Kh8 15. Rad1 Rc8 16. Nd4 a6 {½-½ (64) Bauer,E-Held,P Wuerttemberg 1992}) 12... Bf5 13. Bxc5 (13. Nd4 $14) 13... dxc5 $11 14. Nh4 Bc8 15. Bc4 Ne8 16. Ne4 (16. Nf3 $15) 16... Bxb2 17. Rb1 Bg7 18. Bb5 Nf6 19. Nxc5 (19. Bc4 $17) 19... Nxd5 $19 {Threatens to win with ...Nc3.} 20. Bc4 $2 {[#]} (20. Ne4) 20... Nb6 $2 (20... Nc3 $19 {has better winning chances.} 21. Qxd8 Rxd8) 21. Qxd8 $17 Rxd8 22. Bd3 (22. Bb3 $17 {is a better defense.} e6 23. Nf3) 22... Bd4 $19 23. Nb3 Bf6 24. Nf3 Nd5 {[%cal Bb6d5,Bd5f4,Bf4d3][%mdl 32]} 25. Nc5 b6 26. Ne4 Bg7 27. Bb5 Bf5 {White must now prevent ...Bxe4.} 28. Rb3 Rac8 29. c4 Nf4 30. Nfd2 (30. Ng3 {was called for.} Be6 31. Ra3) 30... Nd3 31. Re3 Nc5 32. Nxc5 {[#] Nce4 is the strong threat.} Rxd2 33. Ne4 Rxa2 34. g4 Be6 35. Ra3 (35. Rbd3 $142) 35... Rxa3 36. Rxa3 Bxc4 {Precision: White = 29%, Black = 66%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Oberoi, Shelev"]
[Black "Yim, Sung Ho"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1896"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,71,-2,0,-17,-10,-49,-49,-61,-48,-57,-57,-75,-67,-70,-47,-65,-47,-56,-58,-56,-35,-49,-47,-99,-26,-112,-83,-92,-91,-156,-163,-176,-101,-131,-55,-55,-54,-58,-58,-60,-58,-70,-58,-70,-48,-46,-33,-43,0,0,0,0,65,0,0,2]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b4,Bb4c2][%mdl 32]} 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 dxe5 8. dxe5 Ndb4 9. Qb3 e6 {LiveBook: 64 Partien. B22: Sizilianisch (Alapin 2.c3)} 10. a3 (10. O-O a6 11. Bg5 Qc7 12. Nbd2 Nxe5 13. Nxe5 Qxe5 14. Nf3 Qc7 15. Qc3 Nc6 16. Rfe1 Qa5 17. Qc2 {½-½ (101) Korneev,O (2513)-Forcen Esteban,D (2569) Linares 2018}) 10... Na5 11. Bb5+ Bd7 {[%cal Bc8d7,Bd7b5,Bb5d3][%mdl 32] Schwarz steht etwas besser.} 12. Qa4 $1 Nc2+ 13. Qxc2 Bxb5 14. Bg5 $146 ({Vorgänger:} 14. Nc3 Qd3 15. Qxd3 Bxd3 16. Nd2 Nc6 17. f4 {0-1 (35) Filipovic,I (2010)-Grabics,M (2304) Pula 1999}) 14... Qd3 15. Qxd3 Bxd3 16. Nbd2 Nc6 17. Rc1 h6 18. Be3 Rd8 19. h4 Rd5 20. Rc3 {[#]} (20. Nb3 $15) 20... g6 (20... Be7 $1 $17 {zielt auf ...0-0 ab.} 21. Nc4 f6) 21. Rb3 (21. Nb3 $11) 21... b6 22. Rc3 Kd7 23. Kd1 {[#]} ({Besser ist} 23. Nb3) 23... Bg7 $1 $17 24. Bf4 Rd8 (24... f6 $19 {[%cal Rf6e5]} 25. Rxd3 Rxd3 26. exf6 Bxf6) 25. Re1 Kc7 (25... b5 $17 26. Re3 Bf1) 26. Kc1 $15 Kb7 27. Ne4 Bxe4 ({Bitte nicht} 27... Nxe5 $6 28. Nxe5 Bxe5 29. Bxe5 $16) 28. Rxe4 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 29. Re1 a5 30. Kb1 Rd1+ 31. Rxd1 Rxd1+ 32. Kc2 Rf1 33. Be3 b4 34. Rc5 h5 ({Günstiger ist} 34... bxa3 $11 35. bxa3 Ra1) 35. g3 ({Lieber} 35. a4 $14) 35... Bf8 $11 36. Rb5+ {[%mdl 32768] Precision: Weiß = 43%, Schwarz = 57%. . Loss on Time!?} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Sanchez, Robert"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "1834"]
[BlackElo "2172"]
[Annotator "NA"]
[PlyCount "117"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. c4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 6. Nf3 {[%emt 0:00:01]} O-O {[%emt 0:00:00]} 7. O-O {[%emt 0:00:06]} Qe8 {[%emt 0:00:00]} 8. d5 {[%emt 0:00:24]} a5 {[%emt 0:00:01]} 9. Be3 {[%emt 0:03:52]} Na6 {[%emt 0:00:08]} 10. Qc1 {[%emt 0:01:41] A87: Dutch Defence: Leningrad System: 5 Nf3} Ng4 {[%emt 0:00:05]} 11. Bd4 {[%emt 0:02:20]} Bh6 {[%emt 0:00:11]} 12. Qd1 {[%emt 0:12:41]} e5 {[%emt 0:01:43]} 13. dxe6 {[%emt 0:00:06]} c5 {[%emt 0:00:02] [#]} 14. Be3 $146 {[%emt 0:01:10]} ({Predecessor:} 14. e7 Rf7 15. Nb5 cxd4 16. Nxd6 Qxe7 17. Nxf7 Kxf7 {½-½ (43) Adianto,U (2591)-Hoang,T (2447) Jakarta 2004}) 14... Bxe3 {[%emt 0:06:59]} 15. fxe3 {[%emt 0:00:11]} Nxe3 {[%emt 0:00:04]} 16. Qd3 {[%emt 0:10:40]} Nxg2 {[%emt 0:01:42]} 17. Kxg2 {[%emt 0:00:33]} Nb4 {[%emt 0:00:56]} 18. Qxd6 {[%emt 0:06:22]} Qxe6 {[%emt 0:01:27]} 19. Qxe6+ {[%emt 0:07:52]} Bxe6 {[%emt 0:00:02]} 20. Rac1 {[%emt 0:00:04]} Bxc4 {[%emt 0:01:20]} 21. Ne5 {[%emt 0:13:25]} Be6 {[%emt 0:03:01]} ({Of course not} 21... Nxa2 $6 22. Nxc4 Nxc1 23. Rxc1 $11) 22. a3 {[%emt 0:02:17]} Nd5 {[%emt 0:00:38]} 23. Nxd5 {[%emt 0:01:59]} Bxd5+ {[%emt 0:00:01]} 24. Kf2 {[%emt 0:00:09]} f4 {[%emt 0:14:24]} 25. Nd7 {[%emt 0:05:26]} fxg3+ {[%emt 0:01:15]} 26. Kxg3 {[%emt 0:00:08]} Rxf1 {[%emt 0:00:11]} 27. Rxf1 {[%emt 0:00:05]} Bc6 {[%emt 0:09:06]} 28. Nxc5 {[%emt 0:01:14]} Re8 {[%emt 0:00:55]} 29. Re1 {[%emt 0:04:48]} Re5 {[%emt 0:03:01]} 30. Nd3 {[%emt 0:01:30]} Rg5+ {[%emt 0:00:39]} 31. Kf4 {[%emt 0:00:49]} Rg2 {[%emt 0:04:00]} 32. h4 {[%emt 0:00:45]} Bb5 {[%emt 0:02:02]} 33. Kf3 {[%emt 0:01:25]} Bc6+ $1 {[%emt 0:00:22]} 34. Kf4 {[%emt 0:01:51]} h5 {[%emt 0:04:42]} 35. Ne5 {[%emt 0:01:02]} Kg7 {[%emt 0:00:40]} 36. Nxc6 {[%emt 0:02:54]} bxc6 {[%emt 0:00:27]} 37. Kf3 {[%emt 0:00:14]} Rg4 {[%emt 0:00:06]} 38. Rc1 {[%emt 0:04:09]} Rxh4 {[%emt 0:00:43]} 39. Rxc6 {[%emt 0:00:07]} Rh3+ {[%emt 0:00:05]} 40. Kf2 {[%emt 0:00:35]} Rb3 {[%emt 0:00:05]} 41. Rc5 {[%emt 0:00:14]} Rxb2 {[%emt 0:01:38]} 42. Rxa5 {[%emt 0:00:02]} h4 {[%emt 0:00:39]} 43. Kf3 {[%emt 0:00:25]} h3 {[%emt 0:01:15]} 44. Kg3 {[%emt 0:00:22]} Rb3+ {[%emt 0:00:07]} 45. Kh2 {[%emt 0:00:09]} Kf6 {[%emt 0:01:34]} 46. Ra6+ {[%emt 0:00:49]} Kg5 {[%emt 0:00:22]} 47. a4 {[%emt 0:06:14]} Kh5 {[%emt 0:01:10]} 48. Rf6 {[%emt 0:00:43]} Re3 {[%emt 0:02:19]} 49. Rf3 {[%emt 0:00:52]} Rxe2+ {[%emt 0:00:05]} 50. Kxh3 {[%emt 0:00:07]} Ra2 {[%emt 0:00:47]} 51. Rf4 {[%emt 0:00:17]} g5 {[%emt 0:00:14]} 52. Rb4 {[%emt 0:00:06]} Ra3+ {[%emt 0:00:11]} 53. Kg2 {[%emt 0:00:04]} g4 {[%emt 0:00:06]} 54. Rb8 {[%emt 0:01:13]} Rxa4 {[%emt 0:00:43]} 55. Rb3 {[%emt 0:00:06]} Kh4 {[%emt 0:00:20]} 56. Rc3 {[%emt 0:01:01]} Ra2+ {[%emt 0:00:11]} 57. Kg1 $11 {[%emt 0:00:12]} Re2 {[%emt 0:01:26]} 58. Ra3 {[%emt 0:00:21]} g3 {[%emt 0:00:31]} 59. Ra8 {[%emt 0:00:28]} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.02"]
[Round "6"]
[White "Huang, Max"]
[Black "Green, Austen"]
[Result "1/2-1/2"]
[ECO "C51"]
[WhiteElo "1805"]
[BlackElo "2066"]
[Annotator "NA RC"]
[PlyCount "101"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:04:35]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 1:26:47]} Bc5 {[%emt 0:00:00]} 4. b4 {[%emt 0:00:00]} Bd6 {[%emt 0:16:29]} 5. O-O {[%emt 0:00:00]} Nf6 {[%emt 0:00:46]} 6. c3 {[%emt 0:00:00]} O-O {[%emt 0:05:09]} 7. d3 {[%emt 0:00:00]} a5 {[%emt 0:04:58]} 8. b5 {[%emt 0:00:00]} Ne7 {[%emt 0:00:35]} 9. d4 {[%emt 0:00:00]} Ng6 {[%emt 0:01:47]} 10. dxe5 {[%emt 0:00:00]} Bxe5 {[%emt 0:17:21]} 11. Nxe5 {[%emt 0:00:00]} Nxe5 {[%emt 0:00:05]} 12. Bb3 {[%emt 0:00:00]} d6 {[%emt 0:02:05]} 13. f4 {[%emt 0:00:00]} Ng6 {[%emt 0:02:46]} 14. Bc2 {[%emt 0:00:00]} Re8 {[%emt 0:04:05]} 15. Qd4 {[%emt 0:00:00]} c5 {[%emt 0:06:31]} 16. Qa4 {[%emt 0:00:00]} b6 {[%emt 0:01:21]} 17. f5 {[%emt 0:00:00]} Ne5 {[%emt 0:00:50]} 18. Bg5 {[%emt 0:00:00]} h6 {[%emt 0:01:38]} 19. Bh4 {[%emt 0:00:00]} Neg4 {[%emt 0:01:34]} 20. h3 {[%emt 0:00:00]} Ne5 {[%emt 0:04:43]} 21. Nd2 {[%emt 0:00:00]} Bb7 {[%emt 0:01:41]} 22. Rad1 {[%emt 0:00:00]} d5 {[%emt 0:09:15]} 23. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:04:00]} 24. Ne4 {[%emt 0:00:00]} Qc4 {[%emt 0:01:56]} 25. Nd6 {[%emt 0:00:00]} Qxa4 {[%emt 0:05:51]} 26. Bxa4 {[%emt 0:00:00]} Ne4 {[%emt 0:04:58]} 27. Nxe8 {[%emt 0:00:00]} Rxe8 {[%emt 0:01:04]} 28. Rd8 {[%emt 0:00:00]} Rxd8 {[%emt 0:00:13]} 29. Bxd8 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:04]} 30. Bc2 {[%emt 0:00:00]} Nxb5 {[%emt 0:01:23]} 31. Bxb6 {[%emt 0:00:00]} Nd4 {[%emt 0:00:42]} 32. Bb3 {[%emt 0:00:00]} Ne2+ {[%emt 0:00:49]} 33. Kh2 {[%emt 0:00:00]} c4 {[%emt 0:01:04]} 34. Re1 {[%emt 0:00:00]} cxb3 {[%emt 0:00:33]} 35. Rxe2 {[%emt 0:00:00]} bxa2 {[%emt 0:00:04]} 36. Rxa2 {[%emt 0:00:00]} Nc4 {[%emt 0:00:18]} 37. Bxa5 {[%emt 0:00:00]} Nxa5 {[%emt 0:01:11]} 38. Rxa5 {[%emt 0:00:00]} Be4 {[%emt 0:00:03]} 39. Re5 {[%emt 0:00:00]} Bc2 {[%emt 0:00:17]} 40. Kg3 {[%emt 0:00:00]} g6 {[%emt 0:01:14]} 41. f6 {[%emt 0:00:00]} Bb3 {[%emt 0:00:16]} 42. h4 {[%emt 0:00:00]} Kh7 {[%emt 0:00:38]} 43. Kf4 {[%emt 0:00:00]} Ba2 {[%emt 0:00:35]} 44. g4 {[%emt 0:00:00]} Bb3 {[%emt 0:00:35]} 45. g5 {[%emt 0:00:00]} hxg5+ {[%emt 0:00:23]} 46. hxg5 {[%emt 0:00:00]} Kg8 {[%emt 0:00:06]} 47. Re8+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:05]} 48. Ke5 {[%emt 0:00:00]} Bc4 {[%emt 0:00:49]} 49. Kd6 {[%emt 0:00:00]} Bb5 {[%emt 0:00:18]} 50. Rf8 {[%emt 0:00:00]} Be8 {[%emt 0:00:13]} 51. Ke7 {[%emt 0:00:00]} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Xiong, Jeffery"]
[Black "Kovalyov, Anton"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2650"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,38,41,32,20,19,86,78,70,41,74,33,53,58,64,76,74,58,89,108,128,87,95,83,94,89,82,81,84,79,79,61,95,96,102,63,63,64,77,63,51,9,12,8,24,4,6,0,0,0,0,0,18,10,17,0,20,0,0,0,0,0,0,0,0,0,5]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. Bg5 Be7 9. Ng3 g6 10. Bc4 Be6 11. Bb3 Nbd7 {LiveBook: 9 Games} 12. Qf3 Nc5 $146 ({Predecessor:} 12... Rc8 13. Nf1 Nb6 14. Ne3 Nh7 15. Bxe7 Qxe7 {½-½ (43) Kryvoruchko,Y (2679)-Ftacnik,L (2544) Czechia 2012}) 13. O-O-O Nfd7 (13... b5 $11 {keeps the balance.}) 14. Bxe7 $16 Qxe7 15. Qe3 Rc8 16. f4 exf4 17. Qxf4 Bxb3 18. axb3 Qe5 19. Qf3 Qg5+ 20. Kb1 Rc6 21. h4 Qd8 22. Nd5 Ne5 23. Nf6+ Kf8 24. Qf2 Ncd7 25. Nxd7+ Nxd7 26. Rhf1 {[%csl Gf1][%cal Rf2f7]} Qe7 {[#]} 27. Ne2 $1 Kg7 28. Nd4 {aiming for Qg3.} Rc7 29. Qg3 {Strongly threatening Nf5+.} Kh7 30. Nf3 Ne5 31. Nxe5 (31. Rd5 {seems wilder.} f6 32. Nxe5 fxe5 33. Qd3 Rc6 34. g3) 31... Qxe5 32. Qxe5 dxe5 $14 {[%mdl 4096] Endgame KRR-KRR} 33. Rd5 Re8 {The position is equal.} 34. c4 Kg7 35. Kc2 Re6 36. Kc3 f6 37. b4 Rf7 38. Re1 f5 39. exf5 Rxf5 40. Rd7+ Rf7 41. Rd5 Rf5 42. Rd7+ Rf7 43. Rd5 Rf5 {Precision: White = 47%, Black = 63%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Baryshpolets, Andrey"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "E66"]
[WhiteElo "2609"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 39,62,0,97,82,79,69,77,72,69,0,0,0,0,-25,-15,-42,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O Rb8 8. d5 Na5 9. Nd2 c5 10. Qc2 a6 11. b3 b5 12. Bb2 bxc4 13. bxc4 Bh6 14. f4 e5 15. dxe6 Bxe6 16. Nd5 Rxb2 17. Qxb2 Bg7 18. Qc1 Bxd5 19. Bxd5 Nxd5 20. cxd5 Qf6 {LiveBook: 3 Games. E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5} (20... c4 $1 $11 {remains equal.}) 21. Qc2 $16 Qd4+ 22. Kg2 {[#]} Qxd5+ $146 {White is slightly better.} ({Predecessor:} 22... Re8 23. e4 f5 24. Rad1 fxe4 25. Rfe1 e3 26. Nf1 Qc4 27. Qxc4 Nxc4 28. Rc1 {1-0 (44) Izeta Txabarri,F (2490)-Pavlovic,M (2505) Ubeda 1997}) 23. e4 Qc6 24. Rae1 (24. Rac1 $1 $14) 24... c4 $1 $11 25. Nf3 c3 26. h4 Rb8 27. Rb1 Re8 {[%mdl 1024] Black has compensation.} 28. Rfe1 {The position is equal.} Nc4 {[#] aiming for ...Na3.} 29. Rb3 {Hoping for e5!} Na5 30. Rbb1 Nc4 {And now ...Na3 would win.} 31. Rb3 {With the idea e5!} Na5 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Sadorra, Julio Catalino"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2555"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,25,51,42,64,67,73,70,78,76]} 1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 Bg4 6. Be2 O-O 7. Be3 Nfd7 8. O-O a5 {E91: Königsindisch (Klassisches System)} (8... Nc6 9. d5 Bxf3 10. Bxf3 Na5 11. Be2 Bxc3 12. bxc3 e5 13. dxe6 fxe6 14. f4 Qe7 15. Rb1 b6 16. Qc2 Rf7 17. Rf2 Nc5 18. Bxc5 dxc5 19. e5 Rd8 20. g3 Qe8 21. Rff1 Rfd7 {½-½ (64) Nguyen,N (2629)-Akopian,V (2675) Doha 2016}) 9. a3 e5 10. d5 {LiveBook: 6 Partien} Bf6 11. Qd2 $146 ({Vorgänger:} 11. Ne1 Bxe2 12. Qxe2 Bg5 13. Nd3 Bxe3 14. Qxe3 Qe7 15. b4 Na6 16. Rfc1 f5 17. f3 f4 {0-1 (45) Kambrath,Y (2362)-Arribas Lopez,A (2521) Dallas 2016}) 11... Nc5 12. Bxc5 {[#] Le3 ist eine echte Drohung.} dxc5 13. Rad1 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Shtembuliak, Evgeny"]
[Black "Wheeler, Cameron"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2518"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,60,5,4,6,19,18,81,80,84,81,76,51,86,76,71,7,0,-19,33,-13,-39,-53,-50,-45,-25,-599,-591,-710,-707,-704,-675,-687,-683,-737,-725,-691,-678,-675,-631,-1522,-1482]} 1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Nf3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4 e4 {A28: English Opening: Four Knights Variation} (8... Bd7 9. O-O Qe7 10. e4 O-O 11. Re1 Nxd4 12. Nxd4 exd4 13. Bxd7 Qxd7 14. cxd4 Bb4 15. Re3 Rad8 16. Bb2 Bc5 17. Rd3 {0-1 (66) Howell,D (2676)-Malakhov,V (2686) Riadh 2017}) 9. Nd2 Qg5 10. Bf1 Qg6 11. g3 O-O {LiveBook: 3 Games} 12. Bg2 f5 13. O-O {[%cal Bh1f1,Bf1f3,Bf3d3][%mdl 32]} Qf7 $146 (13... Be6 $11) ({Predecessor:} 13... a6 14. a4 Be6 15. f3 exf3 16. Nxf3 Bc4 17. Nh4 Qg4 18. Bf3 Qh3 19. Bg2 Qg4 20. Bf3 Qh3 21. Bg2 {½-½ (21) Faldon,D (1911)-Keddie,D (2072) Llandudno 2017}) 14. f3 $16 exf3 15. Rxf3 Be6 16. e4 Qh5 17. e5 Be7 18. Bb2 ({White should play} 18. Qc2 $16) 18... Rad8 $11 19. Qe1 b5 (19... Na5 $11) 20. Rd3 Bd5 21. a4 Bxg2 22. Kxg2 f4 $40 {[%mdl 128] Threatens to win with ...Nxe5! Black has some attack.} 23. Qe4 $2 {[%mdl 8192] [#]} (23. Nf3 $11 {and White stays safe.}) 23... Nxe5 $1 $19 {[%mdl 512] Black is clearly winning.} 24. dxe5 {[#] Hoping for Rxd8.} Rxd3 $1 25. Qxd3 Rd8 26. Qxd8+ Bxd8 27. Nf3 Qf5 28. Rd1 Be7 29. axb5 g5 30. e6 Qe4 {Precision: White = 22%, Black = 52%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Berczes, David"]
[Black "Li, Ben"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2501"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,82,38,45,35,50,24,46,54,37,36,39,40,26,31,31,31,33,31,31,38,68,66,52,68,63,0,0,-5,22,17,25,28,26,-114,-102,-137,-148,-145,-110,-110,-103,-106,-101,-259,-260,-287,-287,-287,-287,-287,-287,-298,-298,-298,-298,-289,-289,-287,-247,-378,-247]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. O-O Qd7 9. e3 Rb8 10. Qe2 b5 {E04: Open Catalan: 5 Nf3} 11. b3 cxb3 12. axb3 Rb6 {LiveBook: 19 Games. White is slightly better.} 13. Rd1 a6 14. Nc3 Be7 {[#]} 15. d5 $146 ({Predecessor:} 15. Bb2 Nb4 16. e4 O-O 17. Bh3 Qe8 18. Na2 {1-0 (36) Petursson,M (2560)-Polgar,S (2415) Aarhus 1993}) 15... exd5 $1 16. Bxd5 Bd6 17. Bg2 O-O 18. e4 Qe6 19. Be3 Rbb8 $1 20. Rxa6 Nb4 21. Raa1 {[%cal Ba6a1,Ba1c1,Bc1c3][%mdl 32]} Be5 22. Rac1 Bxc3 $1 23. Rxc3 Nxe4 24. Bxe4 ({White should try} 24. Rcc1 $1 $14 Rbd8 25. Rxd8 (25. Qxb5 Rxd1+ 26. Rxd1 Nc3 $17) (25. Rxc7 Nd5 $17) 25... Rxd8 26. Qxb5) 24... Qxe4 $11 25. Rd4 Qe7 26. Qh5 g6 27. Qh6 f6 $1 28. Rh4 (28. Qf4 $11 {remains equal.} Na6 29. Rc6) 28... Rf7 29. Kg2 {Black must now prevent Bc5.} Nd5 30. Bc5 Qe2 31. Rf3 Ra8 {[%cal Bb8a8,Ba8a2,Ba2c2][%mdl 32] Hoping for ...Ra1.} 32. Qc1 Ra2 $36 {[%mdl 2048] Black is really pushing.} 33. Rd4 $2 {[#]} (33. b4 $17) 33... Rc2 $1 $19 {[%cal Rc2c1]} 34. Qxc2 Qxc2 35. Rxd5 Qe4 36. Rdd3 g5 {Strongly threatening ...g4.} 37. Kg1 {[#]} Rd7 $1 {[%mdl 512]} 38. Rxd7 Qxf3 39. b4 h5 40. Rd4 Kf7 41. Ba7 (41. h4 $142) 41... Ke6 {Precision: White = 47%, Black = 76%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Reshef, Omer"]
[Black "Popilski, Gil"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2497"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,103,0,0,35,25,27,25,32,30,35,16,6,2,11,2,28,22,18,25,40,9,25,0,20,0,20,17,17,17,17,18,34,33,38,17,33,34,27,14,27,26,29,37,37,42,35,35,40,39,47,37,28,34,33,21,13,28,17,19,27,45,47,61,119,95,89,87,100,78,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. c3 cxd4 6. cxd4 dxe4 7. Nxe4 Nc6 8. Bd3 Bb4+ {C07: Französische Verteidigung (Tarrasch-Variante)} 9. Bd2 {LiveBook: 3 Partien} Nf6 10. O-O Bxd2 {Weiß hat minimalen Vorteil.} 11. Qxd2 O-O 12. Rac1 Bd7 13. Nc5 $146 ({Vorgänger:} 13. Rfd1 Nd5 14. Nc5 Rb8 15. a3 Nce7 16. Ne5 {0-1 (29) Yemelin,V (2529)-Kasimdzhanov,R (2670) Tallinn 2006}) 13... Rb8 14. Rfd1 Ne7 15. Ne5 Ned5 16. a4 Qe7 17. Bc4 Be8 18. b3 h6 19. h3 Qd6 20. Be2 Bd7 21. Bf3 Rfd8 22. Ncxd7 Nxd7 23. Nc4 {[%cal Be5c4,Bc4e3,Be3f5][%mdl 32]} Qf8 24. Bxd5 exd5 25. Ne3 Nf6 26. Nf5 Ne4 27. Qf4 Ng5 $1 28. Qe5 Ne6 29. Rd3 g6 30. Rg3 Kh7 31. Qxe6 fxe6 32. Rc7+ Kh8 33. Ne7 Qf6 34. Nxg6+ Kg8 35. Ne5+ Kf8 36. Rg6 {[#]} Qxg6 $1 37. Nxg6+ $11 {[%mdl 4096] Endspiel KTT-KTS} Kg8 38. g4 Rd6 39. h4 e5 {[#]} (39... Rbd8 $1 $14) 40. Ne7+ $1 $16 Kf8 41. dxe5 Re6 42. Nxd5 {zielt auf Th7 ab.} Rxe5 43. Nf4 ({Günstiger ist} 43. Rh7 $14 Rbe8 44. Nf6) 43... Re4 $11 {Die Stellung ist ausgeglichen.} 44. Ng6+ Kg8 45. g5 hxg5 46. h5 {Droht Matt per h6.} Re6 47. Kg2 b5 48. a5 Rd8 49. Ne7+ Kh8 50. Ng6+ Kg8 51. Ne7+ Kh8 52. Ng6+ {Precision: Weiß = 68%, Schwarz = 65%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Drozdowski, Kacper"]
[Black "Guo, Arthur"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "2489"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,133,27,53,49,54,44,61,48,49,54,49,43,58,55,77,67,63,40,47,47,47,45,38,52,46,38,47,31,39,20,23,0,0,-9,5,5,5,5,5,0,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,0,12,5,5,0,5,0,5,5,5,5,5,5,5,5,5,5,5,5,5,4,8,12,28,15,36,37,40,34,19,21,28,33,154,141,221,231,238,241,231,239,239,230,223,214,325,324,467,459,540,540,772,770,985,1021,1017,1006,980,985,985,970,970,959,29990,29991]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e6 7. Nc3 Be7 8. Be3 {B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} (8. Be2 O-O 9. O-O Nc6 10. Be3 d5 11. cxd5 exd5 12. Nxc6 bxc6 13. exd5 Nxd5 14. Nxd5 cxd5 15. Bd4 a5 16. Rc1 Be6 17. Rc3 Bf6 18. Qd2 Bxd4+ 19. Qxd4 {½-½ (33) Rublevsky,S (2677)-Naiditsch,A (2663) Odessa 2007}) 8... Qc7 {LiveBook: 19 Games} 9. Qd2 (9. Rc1 {looks sharper.} Nc6 10. Be2 Bd7 11. O-O O-O 12. Nb3) 9... Nc6 10. Rc1 {White is slightly better.} Nxd4 11. Bxd4 O-O 12. Be2 b6 13. O-O Bd7 14. Rfd1 Qb7 $146 ({Predecessor:} 14... Rfd8 15. f4 Qb7 16. Bf3 Bc6 17. Qe2 b5 18. cxb5 axb5 19. a3 Rab8 20. Bxf6 Bxf6 21. Na2 {½-½ (32) Waelzel,H (2237)-Dehlinger,A (2243) Bayern 2012}) 15. a4 a5 16. Bf1 Bc6 17. Qf2 Nd7 18. Qg3 {[%csl Gd4][%cal Rg3g7] [#]} g6 19. Bd3 Rad8 20. Bc2 Nc5 21. Kh1 Rfe8 22. Rf1 Bf8 23. Rce1 Bg7 24. Rd1 Bxd4 25. Rxd4 e5 26. Rd2 Ne6 27. Ne2 Nc5 28. b3 Qe7 29. Rfd1 Rd7 30. Qf2 Red8 31. Qe3 Kg7 32. Nc3 Qe6 33. Rb1 Rb8 34. Bd3 Qe7 35. Bc2 Qe6 36. Ne2 Qe7 37. Rbd1 Rbd8 38. Qf2 Qf6 39. Kg1 Bb7 40. Qe3 Bc6 41. Rf1 Re8 42. Bd1 Qh4 43. Ng3 Kg8 44. Bc2 Re6 45. Rdf2 Rde7 46. Ne2 {[%cal Bg3e2,Be2c3,Bc3d5][%mdl 32]} Bb7 47. Nc3 Bc6 48. g3 Qh3 49. Nd5 Rb7 50. f4 {Threatens to win with f5.} Bxd5 51. cxd5 exf4 (51... Ree7 $14) 52. Rxf4 $16 {[%cal Bf2f4,Bf4h4,Bh4h5][%mdl 32]} ({Stronger than} 52. Qxf4 Re5 $11) 52... Re5 (52... Re8 $16) 53. Rh4 $18 Qd7 54. Qh6 f6 55. Rxf6 $40 {[%csl Gf6][%cal Rh6f8][%mdl 128] White is out for blood.} Qg7 56. Qxg7+ ({Don't take} 56. Rxd6 $6 Qxh6 57. Rxh6 Nxe4 $16) 56... Kxg7 57. Rxd6 g5 {[#]} (57... Ree7 {was worth a try.} 58. Rd8 Red7 59. Rxd7+ Nxd7) 58. Rh5 $1 Na6 (58... Kf8 $142 59. Rf6+ Kg7) 59. Rdh6 Kh8 60. d6 {[%cal Bd5d6,Bd6d7][%mdl 32]} Nb4 61. Bd1 Rf7 62. Bg4 Rxe4 63. d7 Rd4 64. Rxb6 Rf8 65. Rxg5 Nd5 66. Rc6 {White wants to mate with Rc8.} Ne3 67. Rc8 {Precision: White = 74%, Black = 57%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Nakar, Eylon"]
[Black "Preotu, Razvan"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2461"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,53,52,19,32,31,22,24,31,6,27,18,25,22,21,17,45,27,33,29,75,44,57,67,106,58,53,31,25,27,40,39]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. f3 O-O 10. Be3 Rc8 11. b3 e6 12. Qd2 Nc6 13. O-O (13. Nde2 {is interesting.} a6 14. Rd1 b5 15. cxb5 axb5 16. Nxb5 d5 17. O-O) 13... d5 {B52: Sicilian: Moscow Variation with 3...Bd7} 14. Nxc6 (14. exd5 exd5 15. c5 Ne8 16. Rad1 Nc7 17. Bf2 Rd8 18. Rfe1 Nxd4 19. Bxd4 Bxd4+ 20. Qxd4 Qc6 21. Re7 {1-0 (35) Kryvoruchko,Y (2671)-Ter Sahakyan,S (2580) Al Ain 2014}) 14... bxc6 15. e5 Ne8 $1 {White has an edge.} 16. f4 f6 17. exf6 Bxf6 18. Rad1 $36 {[%mdl 2048] White is more active.} Qg7 19. Na4 {[%cal Bc3a4,Ba4c5,Bc5d3][%mdl 32]} Rd8 20. Nc5 $146 ({Predecessor:} 20. cxd5 cxd5 21. Qe2 {0-1 (64) Luetke,J (2173)-Engels,N (2005) Germany 2017}) 20... Qe7 {[#] Hoping for ...d4.} 21. Qa5 e5 22. cxd5 {And now fxe5 would win.} cxd5 23. fxe5 Bxe5 24. Bf2 Ng7 25. Nd3 Bc7 26. Qc5 Qxc5 27. Nxc5 {Precision: White = 40%, Black = 69%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Javakhadze, Zurab"]
[Black "Raznikov, Danny"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2438"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,41,0,-9,0,-6,0,0,0,0,0,0,0,-2,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfc1 Rfc8 13. Nd2 {LiveBook: 14 Partien. Die Stellung ist ausgeglichen. D14: Damengambit (Slawische Verteidigung, Abtauschvariante)} Ne7 14. Ne2 Rxc1+ 15. Rxc1 Rc8 16. Rxc8+ Nxc8 {[#]} 17. Qc2 $146 ({Vorgänger:} 17. h3 Nb6 18. b3 h6 19. Qc2 Ne8 20. Kf1 Qc7 21. Qxc7 Nxc7 {½-½ (37) Le,Q (2712)-Nguyen,N (2621) Dubai 2014}) 17... Ne7 18. g3 h5 19. h4 g6 20. Kg2 Qc6 21. Qxc6 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Ostrovskiy, Aleksandr"]
[Black "Vivekananthan, Anish"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2425"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,62,10,15,8,20,26,39,51,66,33,24,12,13,12,14,12,15,13,32,18,40,34,31,18,20,14,10,9,14,14,14,12,8,2,31,10,41,0,10,0,0,0,-11,-2,0,0,0]} 1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 b6 7. cxd5 {A13: English Opening: 1...e6} Nxd5 8. Nxd5 exd5 9. Be2 (9. Qc2 c5 10. a3 Nc6 11. Bb5 Bb7 12. O-O Rc8 13. Rac1 a6 14. Be2 d4 {½-½ (36) Carlsen,M (2843)-Karjakin,S (2782) Stavanger 2018}) 9... c5 {LiveBook: 3 Games} 10. d4 Be6 11. O-O Bd6 $146 ({Predecessor:} 11... Nd7 12. dxc5 bxc5 13. Qc2 Bf6 14. Rac1 Rc8 15. Rfd1 Qa5 16. Bxf6 Nxf6 17. Qb2 h6 18. Ra1 {½-½ (18) Alekseev,E (2616)-Grachev,B (2653) Serpukhov 2018}) 12. Rc1 Nd7 13. Qc2 Rc8 14. Qb1 Qe7 15. Rfd1 Rfd8 16. h3 h6 17. Qa1 {dxc5 is the strong threat.} Qf8 18. Ne1 cxd4 19. Bxd4 Nc5 20. b4 Ne4 21. a3 f6 22. Ba6 Rxc1 23. Rxc1 Qe8 24. Qa2 Kh8 25. Bd3 Qd7 26. Qe2 Qf7 27. Rc6 Bb8 {The position is equal.} 28. f4 Bd7 29. Rc1 Qg6 30. Qf3 Re8 31. Bb1 Rd8 {Precision: White = 64%, Black = 48%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Hilby, Craig"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2420"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,69,82,21,57,21,16,8,8,8,8,8,11,16,21,25,11,11,9,7,17,16,68,17,16,9,10,3,38,30,23,21,24,0,11,14,15,15,16,10,12,12,13,0,0,0,12,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Rb8 8. Nfd2 e5 {E04: Open Catalan: 5 Nf3} 9. Bxc6+ bxc6 10. dxe5 Ng4 11. Nxc4 Be6 12. Nbd2 Bb4 (12... h5 13. f3 Rb4 14. fxg4 Bxc4 15. Nxc4 Qxd1 16. Rxd1 Rxc4 {1-0 (40) Ding,L (2777)-Mamedyarov,S (2799) Huaian 2017}) 13. Qe2 {LiveBook: 3 Games} ({White should try} 13. b3 $16) 13... h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 14. f3 $146 ({Predecessor:} 14. h3 Bxd2 15. Bxd2 h4 16. hxg4 hxg3 17. fxg3 {0-1 (45) Muzychuk,M (2491)-Kosteniuk,A (2510) Warsaw 2013}) 14... Bxd2 $1 15. Bxd2 h4 16. fxg4 hxg3 {[#] aiming for ...Qd5.} 17. b3 Rxh2 18. Qf3 $1 {[%csl LRc6,LRg3] Strongly threatening Be1.} Rxd2 19. Nxd2 Qxd2 {[%csl Gg3][%cal Rd2h2]} 20. Qxg3 Rb4 21. Rf4 Rxf4 22. Qxf4 $11 {[%mdl 4096] Endgame KQR-KQB} Bd5 (22... Qb2 $11 23. Rf1 Qxa2) 23. Qg3 (23. Qf2 $14 Qb4 24. Qg3 (24. Qf5 Qd2 $14)) 23... Qb2 24. Re1 {next e6 is good for White.} Qxa2 25. e6 Bxe6 26. Qxc7 Qc2 27. Qb8+ Ke7 28. Qc7+ Ke8 {The position is equal.} 29. Qe5 Qxb3 30. Qxg7 Qb4 31. Qh8+ Ke7 32. Qh4+ Ke8 33. Qh8+ Ke7 34. Qh4+ Ke8 35. Qh8+ {Precision: White = 37%, Black = 64%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Stefanov, Emil"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2407"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,103,18,15,19,17,27,27,17,22,17,18,50,57,72,72,72,64,84,83,77,56,56,53,57,58,65,45,53,45,83,80,77,81,123,128,107,76,89,72,134,56,56,56,92,79,93,65,75,64,229,74,74,74,74,74,81,74,79,74,80,69,56,53,81,64,80,69,90,99,116,110,213,189,608,600,515,137,139,144,144,144,144,144,385,0,0,0,0,0,397,237]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 Nf6 5. Bg2 Be7 6. O-O d6 7. d3 {A34: Englische Eröffnung (Symmetrische Variante)} (7. e3 O-O 8. d4 cxd4 9. exd4 Bg4 10. Ne2 e4 11. Nd2 Nxd4 12. f3 exf3 13. Nxf3 Nxf3+ 14. Bxf3 Bxf3 15. Rxf3 Rc8 {0-1 (33) Ruck,R (2561)-Saric,I (2652) Tallinn 2016}) 7... h6 8. Ne1 {LiveBook: 5 Partien} Be6 9. Nd5 {Die Stellung ist ausgeglichen.} O-O 10. Nc2 Qd7 11. Rb1 $146 ({Vorgänger:} 11. a3 Rfe8 12. Nce3 Rab8 13. b4 Bh3 14. b5 Nd4 {1-0 (36) Scharf,N (2211)-Buczinski,H (2174) ICCF email 2016}) 11... Rab8 12. b3 Bxd5 13. cxd5 Nb4 14. Nxb4 cxb4 15. Bb2 Qb5 16. e4 $1 Nd7 17. Rc1 Rbc8 18. Qe2 Rxc1 19. Rxc1 Bd8 20. Rc4 Bb6 21. Bh3 a5 22. Kg2 Re8 23. Bc1 Kf8 24. Qf3 Nc5 25. Bd2 Bd8 26. Bg4 Bg5 (26... Kg8 $142) 27. Be1 ({Günstiger ist} 27. Bxg5 $16 hxg5 28. Bf5) 27... Bf6 28. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Ke7 29. Bd2 b6 30. Qf5 Ra8 31. h5 Ra7 $2 (31... Qe8 $1 $14) 32. d4 $2 (32. f4 $1 $18 {Droht stark d4!} Nxd3 33. Rc8 exf4 34. gxf4) 32... exd4 $16 33. f4 {zielt auf e5 ab.} Qd7 34. Qxd7+ Nxd7 35. Rc6 d3 36. e5 dxe5 37. d6+ Kd8 38. Kf3 exf4 39. gxf4 Bd4 40. Bf5 $1 Rb7 41. Ke4 Bg1 42. Kxd3 Nc5+ (42... b5 $16 {ist eine bessere Verteidigung.}) 43. Kc4 $18 {[%csl Gf5][%cal Rc6c8]} Ne6 $2 (43... Nd7 44. Kb5 Ra7) 44. Kd5 Kd7 45. Rc7+ $2 (45. Bg4 $18 {und Weiss behält klar die Oberhand. f5 ist eine echte Drohung.} Bd4 46. f5) 45... Rxc7 $16 46. dxc7 Kxc7 47. Bxe6 fxe6+ 48. Kxe6 {KL-KL} Kd8 $2 {[#]} (48... Bd4 $16 {ist wohl besser.}) 49. Kf7 $2 (49. f5 $1 $18) 49... Bd4 $11 50. f5 Kd7 $1 51. Bf4 Bc3 $2 {[%mdl 8192] [#]} (51... b5 $1 $11 {und Schwarz muss sich keine Sorgen machen.}) 52. Be3 $1 {Precision: Weiß = 69%, Schwarz = 40%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Lin, Andy"]
[Black "Wang, Jason"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2274"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,48,9,6,8,8,25,29,37,0,0,8,16,-14,-14,-38,-36,-41,21,-10,-4,-16,-15,-132,-125,-195,-208,-253,-198,-196,-207,-297,-311,-317,-309,-547,-522]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. Qb3 Nc5 6. Qc2 {A07: Réti Opening: New York and Capablanca Systems} Nf6 7. d3 (7. O-O c6 8. d4 Ncd7 9. Nc3 Be7 10. Ne5 Bf5 11. Qb3 Qb6 12. Nxd7 Nxd7 {½-½ (37) Almasi,Z (2682)-Movsesian,S (2647) Riadh 2017}) 7... c6 8. O-O {LiveBook: 22 Games. The position is equal.} Bd6 9. Nbd2 O-O 10. h3 Bh5 $146 ({Predecessor:} 10... Bxf3 11. Nxf3 a5 12. b3 Ncd7 {½-½ (21) Wojtkiewicz,A (2581)-Sadvakasov,D (2509) Los Angeles 2000}) 11. b3 Re8 12. Bb2 Rc8 13. g4 (13. b4 {feels hotter.} Ncd7 14. a3 e5 15. e3 a5 16. c5) 13... Bg6 14. Ne5 Bxe5 $1 15. Bxe5 Ncd7 (15... h5 $15) 16. Bb2 e5 17. Rad1 h5 18. gxh5 (18. g5 $11 {keeps the balance.} Nh7 19. h4 (19. cxd5 $2 cxd5 20. Qb1 Nxg5 $19)) 18... Nxh5 $17 {Strongly threatening ...Nf4.} 19. e3 {[#]} (19. Bc1 $17) 19... Nc5 $1 $19 {[%cal Rc5d3]} 20. Nb1 dxc4 21. Qxc4 Nxd3 22. Bc3 (22. Qg4 $142) 22... e4 23. a4 Qg5 {[#] ( -> ...Nhf4!)} 24. Kh1 $2 (24. h4 {was worth a try.} Qe7 25. b4) 24... b5 {Precision: White = 18%, Black = 70%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Yim, Sung Ho"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2271"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "208"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,208,12,14,9,5,0,0,0,0,0,16,19,21,16,23,13,27,15,31,23,33,38,66,62,143,143,181,161,158,157,168,149,167,127,161,146,140,139,147,146,155,152,156,156,142,147,167,132,171,174,210,200,190,190,219,222,231,205,207,152,216,178,193,193,210,173,183,190,191,165,202,202,209,203,188,208,211,202,209,147,198,179,218,212,226,227,225,235,217,219,222,230,217,185,192,166,250,262,258,235,225,220,358,335,356,302,290,274,270,270,456,454,438,420,359,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd3 d5 7. cxd5 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} exd5 8. O-O Ba6 9. Bxa6 Nxa6 10. Qd3 Qc8 {LiveBook: 12 Games} 11. a3 Bxc3 12. Qxc3 $146 ({Predecessor:} 12. bxc3 c5 13. Nd2 Re8 14. f3 Qb7 15. Bb2 c4 16. Qe2 Re6 17. Rfe1 Rae8 18. Nf1 Nh5 19. Qd2 f5 20. a4 Qf7 21. g3 Nc7 22. Ba3 h6 23. h3 Nf6 24. g4 Nh7 25. Kg2 fxg4 {½-½ (25) Johannessen,L (2519)-Leko,P (2744) Tromsoe 2013}) 12... c5 13. dxc5 bxc5 14. b3 Rb8 15. Bb2 Qb7 16. Nd2 Rfe8 17. Rab1 Rbd8 18. Rfe1 Re6 19. Qc2 Rde8 20. Red1 Qe7 21. Nf3 Nc7 (21... Rd6 $1 $14) 22. Ng5 $16 {[#] Strongly threatening Bxf6.} Rd6 23. Qxc5 Ne6 24. Nxe6 Ne4 25. Qd4 {[%csl Gb2,Ge6][%cal Rd4g7]} fxe6 26. Qe5 Rd7 27. f3 Nc5 {[%cal Be4c5,Bc5b7,Bb7d6,Bd6c4][%mdl 32]} 28. b4 Nb7 29. Bd4 Nd6 30. Bc5 Nc4 31. Qd4 Qf7 32. Rbc1 Red8 33. Qc3 h5 34. e4 Qg6 35. exd5 exd5 36. Re1 Nb6 37. Qd4 Nc4 38. Be7 ({Much less strong is} 38. Bxa7 Nxa3 39. Bb6 Nb5) 38... Rc8 39. Bh4 Qf7 (39... Qb6 $16 {was necessary.} 40. Bf2 Qg6) 40. Rc3 Re8 41. Rd1 {[%cal Be1d1,Bd1d2,Bd2e2,Be2e8][%mdl 32]} Nb6 42. Rc2 Qf5 43. Rdd2 Qe6 44. Kf1 Qf7 45. Re2 Nc4 46. Rxe8+ Qxe8 47. Re2 Qf7 48. a4 Nd6 49. Qe5 Nf5 (49... Nc4 $16 50. Qb8+ Kh7) 50. Bg5 d4 51. Qe8+ Qxe8 52. Rxe8+ $18 {[%mdl 4096] Endgame KRB-KRN} Kf7 53. Re5 g6 54. g4 hxg4 55. fxg4 Ng7 56. Bd2 Ne6 57. h4 Kf6 (57... d3 $142 58. Re4 Nd4) 58. Ra5 Kf7 59. h5 gxh5 60. gxh5 Kf6 (60... d3 $142 61. Ke1 Nd4) 61. h6 Kg6 62. Re5 Kf6 63. Rh5 Kg6 64. Rh4 a5 $2 (64... Re7 {keeps fighting.} 65. Kf2 Kh7) 65. bxa5 Nc5 66. Rg4+ Kh7 67. Rg5 $2 (67. Ke2 $18) 67... Ne4 $11 {The position is equal.} 68. Rg2 Nxd2+ 69. Rxd2 Kxh6 {KR-KR} 70. Ke2 {[#] Hoping for Kd3.} Kg6 71. Kd3 Ra7 72. Kxd4 Rxa5 73. Ra2 Kf7 74. Kc4 Ke7 75. Kb4 Ra8 76. Kc5 Kd7 77. Kb6 Rb8+ 78. Ka7 Rb4 79. Rd2+ Kc7 {[%cal Rb4a4]} 80. Rc2+ Kd7 81. a5 Rb5 82. Ka6 Rb1 83. Rc5 {Black must now prevent Ka7.} Kd6 84. Rc2 {Threatens to win with Ka7.} Kd7 85. Ka7 Rb5 86. a6 {And now Ka8 would win.} (86. Ra2 {with more complications.} Kc7 87. Ka6 Rh5 88. Rb2 Rh8 89. Rb6) 86... Rb1 87. Rd2+ Kc7 88. Rc2+ Kd7 89. Rh2 Kc7 90. Rh7+ Kc8 91. Rb7 Ra1 92. Rb6 Kc7 93. Rb7+ Kc8 94. Rb6 Kc7 95. Rh6 Ra2 96. Ka8 Rb2 97. Rh7+ Kc8 98. Rb7 (98. Rh8+ Kc7 $16) 98... Ra2 99. a7 {Rb1 is the strong threat.} Rh2 100. Rb3 {aiming for Rc3+.} Kc7 101. Rc3+ Kb6 $1 {( -> ...Rh8+)} 102. Kb8 Rh8+ 103. Rc8 Rxc8+ 104. Kxc8 Kxa7 {Precision: White = 72%, Black = 64%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Findlay, Ian T"]
[Black "Sanchez, Robert"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2263"]
[BlackElo "1834"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,91,107,30,41,7,14,10,8,5,14,7,14,11,9,0,0,0,0,0,0,0,98,100,111,122,294,122,110,116,116,119,119,115,118,127,383,383,383,369,246,363,347,308,321,321,1138,791,1087,356,1134,352,1068,924,906,786,784,-1676]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. O-O Qc7 12. Bg5 O-O 13. Bh4 Nh5 14. Qc2 h6 15. Bh7+ {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} Kh8 16. Bg6 Rxf3 (16... Nf4 17. Nxf4 Rxf4 18. Bg3 Rxf3 19. gxf3 Qe7 20. Rad1 Bd7 21. Qc3 Rf8 22. Bb1 Kg8 {1-0 (41) Artemiev,V (2653)-Onischuk,V (2615) Martuni 2016}) 17. Bxh5 Rf5 18. Bg6 Bxh2+ 19. Kh1 {LiveBook: 34 Games} Bd6 $1 20. Bxf5 exf5 21. f4 Qf7 22. Kg1 Qh5 23. Bg3 $146 Bd7 24. Rf3 {[%cal Bf1f3,Bf3b3,Bb3b7][%mdl 32]} Re8 25. Bf2 Re4 26. Ng3 Qg4 27. Nxe4 fxe4 28. Rb3 Bxf4 (28... b6 $11) 29. Qc5 $16 Qg5 {[#] ...e3 is the strong threat.} 30. Rxb7 e3 $2 (30... Bh3 $16 31. Qf8+ Kh7 32. Rxg7+ Qxg7 33. Qxg7+ Kxg7 34. gxh3 Nb4) 31. Be1 (31. Rxd7 $18 exf2+ 32. Kf1) 31... Bh3 {[%csl Gh3][%cal Rg5g2]} 32. Qf8+ Kh7 {[%csl Gh3][%cal Rg5g2] [#]} 33. Rxg7+ $1 {[%mdl 512]} Qxg7 34. Qxg7+ Kxg7 35. gxh3 Nxd4 $2 {[%mdl 12288] Endgame KRB-KBN} (35... Kg6 $16) 36. Bc3 $18 Be5 37. Kf1 Kf6 {With the idea ...Ne6.} 38. Bxd4 $1 Bxd4 {KR-KB} 39. Ke2 Ke5 40. Kd3 Bxb2 $2 (40... a5 41. Rf1 a4) 41. Rb1 Bd4 42. Rb4 $2 (42. Rb8 Bb6 43. Rh8) 42... h5 $2 (42... e2 43. Kxe2 Bc5) 43. Ra4 $2 (43. Rxd4 e2 $19) (43. Rb8 {Strongly threatening Re8+.} Bb6 44. Rh8) 43... Bb6 $2 (43... e2 44. Kxe2 Ke4) 44. Rh4 {White is clearly winning.} d4 45. a4 Kd5 46. Ke2 $4 {[%mdl 40960] Precision: White = 60%, Black = 27%. . Sensor Board Error (Ke4/e5)?} (46. a5 $18) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Shen, Christopher"]
[Black "Checa, Nicolas"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2254"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,72,0,3,-8,-9,-30,-12,-16,-25,-25,0,-50,-47,-64,-55,-134,-90,-59,-65,-69,-59,-92,-51,-70,-70,-128,-163,-186,-163,-174,-185,-304,-321,-321,-314,-305,-304,-272,-281,-307,-306,-318,-307,-449,-429,-448,-442,-506,-506,-497,-488,-5177,-1845,-5631,-5622,-5314,-4505]} 1. c4 c6 2. g3 d5 3. Nf3 Nf6 4. Bg2 dxc4 5. Qc2 b5 6. a4 {A11: English Opening: 1...c6} Bb7 (6... Na6 7. axb5 cxb5 8. b3 Nb4 9. Qc3 Nfd5 10. Qb2 e6 11. Na3 Ba6 12. Nd4 Qb6 13. Ndxb5 cxb3 {0-1 (33) Forster,R (2459)-Berkes,F (2685) Istanbul 2012}) 7. b3 cxb3 8. Qxb3 a6 9. Ba3 Nbd7 {LiveBook: 11 Games} 10. Nc3 e6 {next ...Bxa3 is good for Black.} 11. Bxf8 Kxf8 12. O-O g6 13. d4 Qe7 14. Rfd1 $146 Kg7 15. Rab1 Rab8 16. e4 (16. Ne5 $15) 16... e5 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Qa3 Rhd8 20. f4 Qc7 {[#] Threatens to win with ...Qb6+.} 21. h3 ({White should play} 21. Qc5 $15) 21... Rxd1+ $17 22. Rxd1 Qb6+ 23. Kh2 b4 $36 {[%mdl 2048] Keeping White busy.} 24. a5 (24. Qb2 $142) 24... Qc5 $19 ({Weaker is} 24... bxa3 25. axb6 h5 26. Ra1 $11) 25. Na4 bxa3 26. Nxc5 Bc8 27. Ra1 Rb5 $1 {[%csl LRa5,LRc5]} 28. Na4 Rxa5 29. Rxa3 Bd7 30. e5 (30. Bf3 {was necessary.}) 30... Nd5 {Black is clearly winning.} 31. Ra2 Be6 32. Nc3 Rxa2 33. Nxa2 {[#]} Nxf4 $1 {[%mdl 512]} 34. gxf4 (34. Nc3 $142 Nxg2 35. Kxg2) 34... Bxa2 35. Bxc6 Bb3 36. Kg3 a5 {Precision: White = 25%, Black = 87%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Daggupati, Balaji"]
[Black "Easton, Jack"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2226"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,68,61,67,34,56,55,72,47,48,45,55,22,56,52,47,52,47,39,50,35,59,47,93,45,47,10,18,9,11,-104,-87,-91,-21,-19,-20,-18,30,23,23,0,0,0,0,0,-1,-4]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 6. Bf1 d5 7. exd5 Nxd5 8. d4 cxd4 9. Nxd4 Bc5 {B30: Sizilianisch (Rossolimo-Variante)} (9... Bd7 10. Nf5 Bc8 11. c4 Nf6 12. Qxd8+ Nxd8 13. Bf4 Bd7 14. Nc3 g6 15. Be5 gxf5 16. Bxf6 Rg8 17. Nd5 {½-½ (44) Zvjaginsev,V (2673)-Reshetnikov,A (2492) Moscow 2016}) 10. Nxc6 {LiveBook: 6 Partien} bxc6 11. Qf3 (11. c4 $5 {[%cal Rc4d5]} Qf6 12. Qe2 $14) 11... Qf6 {Weiß steht etwas besser.} 12. Qxf6 Nxf6 13. Be3 $146 ({Vorgänger:} 13. Nc3 O-O 14. Na4 Be7 15. c4 Bb7 16. Be3 Nd7 17. Red1 {1-0 (29) Geffroy,L (1970)-Entem,A (2177) Rennes 2013}) 13... Bxe3 14. Rxe3 a5 15. Na3 Ba6 16. Rc3 Bxf1 $1 17. Kxf1 Ra6 18. Rd1 Ke7 19. Nc4 Rb8 20. Ne5 Rbb6 21. Rc5 a4 22. b3 axb3 23. axb3 Nd5 24. c4 {[#]} (24. Rc4 $11 {bleibt in der Remisbreite.}) 24... Nc3 $1 $17 {[%cal Rc3d1]} 25. Re1 {[#]} Kd6 ({Viel schwächer wäre} 25... Rxb3 26. Rxc6 Rxc6 27. Nxc6+ Kf6 28. Re3 $11) ({Besser ist} 25... f6 $1 $17 26. Nd3 Rxb3) 26. Nd3 $1 $11 Rxb3 {Und ...Sa4 würde nun gewinnen.} 27. Rg5 Ne4 28. Rxe4 {Und weiter mit Td4+ wäre nett.} Rxd3 29. c5+ Ke7 {Droht ...g6 und aus.Die Stellung ist ausgeglichen.} 30. Rxg7 {Schwarz muss nun Tf4 beachten.} Ra1+ 31. Ke2 Rb3 {Weiss sollte ...Tb2+ verhindern.} 32. Rd4 $1 {Precision: Weiß = 42%, Schwarz = 63%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Nguyen, Emily"]
[Black "Stremavicius, Titas"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2194"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,81,95,81,81,85,90,85,77,52,60,63,56,55,51,47,65,65,66,47,100,86,107,112,104,101,102,93,111,106,110,106,282,269,272,231,221,173,181,166,172,172,172,166,172,172,172,170,212,202,208,210,205,212,201,154,182,182,177,179,324,325,317,318,312,309,304,299,276,195,379,353,326,216,373,329,409,355,794,779,772,764,2193,2193,2191,1674,2529,2291,29982]} 1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 a6 5. a4 Be7 {LiveBook: 130 Games} 6. Bd3 {A44: Semi-Benoni} (6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Bg5 9. Bxg5 Qxg5 10. Qg4 Qxg4 11. hxg4 f6 12. a5 Nd7 13. Nd1 Ne7 14. Ne3 O-O-O 15. Bd3 {1-0 (47) Rahman,A (2331)-Dzhumaev,M (2451) Tashkent 2018}) 6... Bg5 7. Nf3 {[%cal Bg1f3,Bf3d2,Bd2c4][%mdl 32]} Bxc1 8. Qxc1 {White is better.} Ne7 9. O-O O-O 10. Nd2 Nd7 11. Nc4 Nb6 $146 ({Predecessor:} 11... Nf6 12. a5 Ng6 13. f3 {½-½ (77) Mahn,F (2180)-Rahls,P (2205) Germany 1997}) 12. Ne3 a5 13. Nb5 $36 {[%mdl 2048] White is more active.} Ng6 14. g3 Bh3 ({Black should play} 14... Ne7 $14) 15. Re1 $16 Qf6 16. Bf1 Bd7 17. Qd2 Ne7 18. Qd3 Qg6 19. Qb3 Nbc8 20. Nc4 {Threatens to win with Nbxd6!} b6 $2 {[#]} (20... Qh6 $16 {keeps fighting.}) 21. Nbxd6 $1 $18 {[%mdl 512]} Qf6 (21... Nxd6 22. Nxe5) 22. Nb5 Rb8 23. Rad1 Bxb5 24. Qxb5 Nd6 25. Nxd6 Qxd6 26. Bh3 Rbd8 27. Qd3 Qh6 28. Kg2 Nc8 29. Bxc8 Rxc8 30. d6 Rfd8 31. Qd5 Qe6 32. c4 Qxd5 33. Rxd5 $16 {[%mdl 4096] Endgame KRR-KRR} (33. cxd5 $6 Rxd6 34. Re2 Rcd8 $14) 33... f6 34. f4 exf4 (34... Rd7 {was worth a try.} 35. Red1 (35. fxe5 fxe5 36. Red1 Re8 $16) 35... Re8) 35. gxf4 $18 {[%cal Bg3f4,Bf4e5][%mdl 32]} Kf7 36. e5 fxe5 37. fxe5 {e6+ is the strong threat.} Ke6 38. Rf1 Rb8 39. Rf4 Rb7 $2 (39... Rf8 40. Kf3 Rf5) 40. Kf3 b5 41. Rxc5 bxc4 $2 (41... bxa4 {was called for.} 42. Rg4 (42. Rxa5 Rxb2 43. Rg4 Rd7 $16) 42... Rf8+ 43. Ke4 Rf2 44. Rxa5 Rbxb2) 42. Rfxc4 Rxb2 43. Rc8 Rd7 $2 ({Of course not} 43... Rxc8 44. Rxc8 Rb3+ 45. Ke4 $18) (43... Rb8 44. Rxd8 Rxd8) 44. Re8+ {White is clearly winning.} Kd5 45. Rc7 Rb7 46. Rxd7 Rxd7 47. Re7 Rd8 48. d7 Ra8 {Precision: White = 76%, Black = 46%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Cervantes Landeiro, Thalia"]
[Black "Huang, Max"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2172"]
[BlackElo "1805"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,121,7,0,0,0,7,6,56,41,164,146,181,176,179,180,183,192,186,186,186,170,212,203,262,235,289,259,268,223,301,270,275,274,273,266,293,284,397,397,395,390,397,396,385,344,393,396,391,384,425,418,426,425,416,415,407,414,426,425,374,425,426,424,424,416,406,418,410,416,414,412,414,414,384,380,372,352,402,395,376,379,679,682,685,675,654,654,612,600,573,559,651,663,731,718,885,886,727,682,737,706,864,867]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. dxe6 fxe6 9. Bd3 Nc6 10. O-O Nd4 11. Kh1 {LiveBook: 16 Games. E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order} (11. Bd2 Bd7 12. Nxd4 cxd4 13. Nb5 Bc6 14. Qe2 Ne8 15. e5 Bxb5 16. cxb5 dxe5 17. fxe5 Nc7 18. Rxf8+ Qxf8 {½-½ (77) Ponomariov,R (2726)-Vovk,Y (2562) Kiev 2012}) 11... b6 12. Ng5 h6 $146 ({Predecessor:} 12... a6 13. Be3 Ra7 14. a3 Re7 15. e5 dxe5 16. fxe5 Nd7 17. Nge4 Ref7 18. Rxf7 Rxf7 {½-½ (80) Soffer,R (2489)-Mittelman,G (2384) Israel 2011}) 13. Nf3 {[%cal Bg5f3,Bf3h4,Bh4g6][%mdl 32] The position is equal.} Bb7 14. Nh4 Nxe4 (14... Qe8 $14) 15. Nxg6 $18 Rf6 16. Bxe4 Bxe4 17. Nxe4 Rxg6 18. Qh5 Rf6 19. Nxf6+ Qxf6 20. Bd2 Rf8 21. Rae1 {[%cal Ba1e1,Be1e3,Be3g3][%mdl 32]} a6 22. Qd1 Qg6 23. Bc3 Kh8 24. Re3 Rf5 25. Bxd4 cxd4 26. Rg3 Qf7 27. Rgf3 Qc7 28. Qd3 Rc5 29. f5 exf5 30. Rxf5 Rxf5 31. Rxf5 {[%mdl 4096] Endgame KQR-KQB} Qe7 32. Rf1 Qe6 33. b3 Qe5 34. Qf3 Qa5 35. Qa8+ Kh7 36. Qe4+ Kh8 37. Qe6 Qxa2 38. Qc8+ Kh7 39. Qf5+ Kh8 40. Re1 {[#] White threatens Re8+ and mate.} Be5 41. Qf8+ Kh7 42. Qf7+ Kh8 43. Qe8+ Kh7 44. Qd7+ Kh8 {Black hopes to continue with ...Qf2.} 45. Rf1 {[%cal Rf1f8] [#]} Bg7 46. Qd8+ Kh7 47. Qxb6 Qe2 {[%cal Re2f1]} 48. Rg1 Be5 {Now ...Bxh2 and Black clings on.} 49. Qb7+ Kg6 {If Black can now play ...Bxh2 this consolidates a bit.} 50. Qf3 Qc2 $2 (50... Qxf3 51. gxf3+ Kf5) 51. Rf1 {Qg4+ would kill now.White is clearly winning.} Bg7 52. Qf7+ Kh7 53. Qf5+ Qxf5 54. Rxf5 {KR-KB} Kg6 55. Rf3 a5 56. Kg1 Bf6 57. Kf1 Kf7 58. Ke2 Ke6 59. Kd3 Be5 60. Rh3 Bg7 61. Rh5 {Precision: White = 85%, Black = 33%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Kung, Thomas"]
[Black "Vorontsov, Pavlo"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2132"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,54,45,64,55,88,50,73,23,16,18,53,42,70,75,116,111,127,130,122,115,197,219,180,37,129,47,61,60,262,261,244,255,236,10,17,0,61,70,69,26,9,0,1607,1598]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 a6 6. O-O O-O 7. Re1 Nc6 8. d5 {B08: Pirc Defence: Classical System} Na7 9. a4 {LiveBook: 4 Games} c6 (9... e6 10. Be3 Re8 11. Bf1 exd5 12. exd5 Bg4 13. h3 Bxf3 14. Qxf3 Nd7 15. Re2 Nc8 {½-½ (62) Fressinet,L (2662)-Aronian,L (2805) Riadh 2017}) 10. Bg5 $146 {White is slightly better.} ({Predecessor:} 10. Bf1 Bg4 11. h3 Bxf3 12. Qxf3 Nd7 13. dxc6 Nxc6 14. Nd5 e6 15. Nf4 Nc5 {0-1 (57) Perske,T (2464)-Vorontsov,P (2564) Philadelphia 2018}) 10... Bg4 11. Nd2 Bd7 12. Nc4 b5 13. dxc6 Bxc6 14. axb5 Nxb5 15. Nd5 $36 {[%mdl 2048] White has strong initiative.} Re8 16. Na5 Bd7 {White must now prevent ...Nxd5.} 17. Bxf6 exf6 18. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} Na7 {[#]} (18... Nc7 $16 {was necessary.}) 19. c5 $1 $18 {[%mdl 512]} Bc6 (19... dxc5 20. Nb7) 20. Bxa6 ({White must play} 20. Nxc6 $18 Nxc6 21. Qa4 (21. Rxa6 Rxa6 22. Bxa6 dxc5 $14) (21. Bxa6 dxc5 22. Bb5 Rc8 $16)) 20... dxc5 {[#]} (20... Bxd5 $1 $14 21. Qxd5 (21. exd5 Rxe1+ 22. Qxe1 dxc5 $14) 21... dxc5) 21. Nxc6 ({Better is} 21. Bb7 $1 $16 Bxb7 22. Nxb7) 21... Nxc6 $14 22. Bb5 Rxa1 $2 (22... Rc8 $1 $14) 23. Qxa1 $18 Re6 24. Bxc6 $1 Rxc6 {[#]} 25. Qa7 $2 (25. Ne7+ $1 $18 {[%mdl 512]} Qxe7 26. Qa8+ Bf8 27. Qxc6) 25... Bf8 $11 26. Qb7 Rc8 (26... Re6 $11) 27. Nxf6+ $14 Kg7 {...Rb8 is the strong threat.} 28. e5 {aiming for e6.} Rb8 29. Qe4 Rxb2 $2 {[%mdl 8192]} (29... Qd4 $11) 30. Qh4 {Precision: White = 39%, Black = 28%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Hung, Daniel"]
[Black "Noland, Shawn W"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2104"]
[BlackElo "2071"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,69,20,6,15,15,13,19,4,20,20,13,25,14,31,0,15,4,252,226,225,243,242,237,319,334,331,323,302,310,627,617,799,750,2922,2711,29971,29971,29970,29969,6403,29965,6287,6249,29986,29987,29987,29988,29988,859]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Be2 {C02: Französische Verteidigung (Vorstoßvariante)} Ne7 9. Rb1 Bd7 10. b4 cxb3 11. Nxb3 Ba4 12. Nxa5 $1 {LiveBook: 8 Partien} Bxd1 13. Rxb6 axb6 14. Bb5+ Kd8 15. Nxb7+ Kc7 16. Kxd1 {[#] Droht Sd6 und aus.} Kxb7 17. Ng5 {[#]} Nc6 $146 18. Nxf7 Rg8 19. a4 $36 {[%mdl 2048] Droht Sg5. Weiss hat Initiative.} Nd8 $2 (19... Be7 $11 {und Schwarz muss sich keine Sorgen machen.}) 20. Nxd8+ $18 Rxd8 21. Bg5 Rc8 22. Bd7 Rxc3 23. Bxe6 Rh8 24. Bxd5+ Kc7 25. Ke2 Rc2+ $2 (25... Bb4 26. Rb1 Ba5) 26. Kd3 Rxf2 27. Rc1+ Kd7 28. Rc6 {[#] Beabsichtigt e6+ und Matt.} Be7 29. e6+ Kd8 30. Rd6+ Ke8 31. Bxe7 Kxe7 32. Rd7+ Ke8 33. Bc6 {Weiß setzt Matt.} Rf6 34. Ra7+ Kd8 35. e7+ {Precision: Weiß = 100%, Schwarz = 38%.} (35. d5 $142 Rf1 36. e7+ Kc8 37. Ra8+ Kc7 38. Rxh8 g5 39. e8=Q Rd1+ 40. Kc2) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Dejmek, Mark"]
[Black "Kumar, Naman"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1998"]
[BlackElo "1914"]
[Annotator "NA RC"]
[PlyCount "114"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:15]} b5 {[%emt 0:00:54]} 5. d4 {[%emt 0:00:15]} cxd4 {[%emt 0:00:28]} 6. Nxd4 {[%emt 0:00:07]} Bb7 {[%emt 0:00:16]} 7. Bg2 {[%emt 0:00:14]} Qc7 {[%emt 0:00:58]} 8. O-O {[%emt 0:00:42]} d6 {[%emt 0:00:36]} 9. Re1 {[%emt 0:01:10]} Nd7 {[%emt 0:01:39]} 10. a4 {[%emt 0:01:28]} b4 {[%emt 0:00:13]} 11. Na2 {[%emt 0:00:16]} a5 {[%emt 0:13:06]} 12. c3 {[%emt 0:00:31]} bxc3 {[%emt 0:00:27]} 13. Nxc3 {[%emt 0:00:13]} Ngf6 {[%emt 0:00:32]} 14. Be3 {[%emt 0:08:44]} Be7 {[%emt 0:01:17]} 15. Rc1 {[%emt 0:00:16]} Qb8 {[%emt 0:00:51]} 16. f4 {[%emt 0:13:55]} O-O {[%emt 0:03:53]} 17. Bf2 {[%emt 0:07:55]} Rc8 {[%emt 0:15:41]} 18. Ndb5 {[%emt 0:07:28]} Bf8 {[%emt 0:04:16]} 19. g4 {[%emt 0:08:07]} g6 {[%emt 0:10:34]} 20. g5 {[%emt 0:06:54]} Nh5 {[%emt 0:00:44]} 21. Qg4 {[%emt 0:01:01]} Nc5 {[%emt 0:02:20]} 22. Rcd1 {[%emt 0:05:07]} e5 {[%emt 0:05:36]} 23. f5 {[%emt 0:06:34]} Nf4 {[%emt 0:01:04]} 24. Bf1 {[%emt 0:00:17]} Bc6 {[%emt 0:04:06]} 25. Bxc5 {[%emt 0:12:00]} dxc5 {[%emt 0:00:47]} 26. Bc4 {[%emt 0:00:46]} Rd8 {[%emt 0:02:58]} 27. Rxd8 {[%emt 0:04:03]} Qxd8 {[%emt 0:00:07]} 28. Rd1 {[%emt 0:00:07]} Qc8 {[%emt 0:06:07]} 29. Nd5 {[%emt 0:01:24]} Bxd5 {[%emt 0:02:02]} 30. Bxd5 {[%emt 0:00:42]} c4 {[%emt 0:04:15]} 31. Bxa8 {[%emt 0:02:51]} Qxa8 {[%emt 0:00:53]} 32. Nc3 {[%emt 0:01:30]} Qa7+ {[%emt 0:01:25]} 33. Kf1 {[%emt 0:00:25]} gxf5 {[%emt 0:01:11]} 34. Qxf5 {[%emt 0:00:52]} Qe3 {[%emt 0:00:24]} 35. Qg4 {[%emt 0:01:57]} Bc5 {[%emt 0:04:35]} 36. Qg3 {[%emt 0:01:09]} Qxg3 {[%emt 0:03:02]} 37. hxg3 {[%emt 0:00:00]} Nd3 {[%emt 0:00:11]} 38. b3 {[%emt 0:00:31]} Bd4 {[%emt 0:00:51]} 39. Nb5 {[%emt 0:04:36]} Nb2 {[%emt 0:00:52]} 40. Rc1 {[%emt 0:01:08]} cxb3 {[%emt 0:00:11]} 41. Nxd4 {[%emt 0:00:16]} exd4 {[%emt 0:00:22]} 42. Ke2 {[%emt 0:01:10]} Nxa4 {[%emt 0:00:07]} 43. Rc8+ {[%emt 0:01:47]} Kg7 {[%emt 0:00:48]} 44. Kd3 {[%emt 0:00:31]} Nc3 {[%emt 0:01:43]} 45. Rb8 {[%emt 0:00:28]} a4 {[%emt 0:00:36]} 46. Kxd4 {[%emt 0:00:13]} Nd1 {[%emt 0:02:28]} 47. Kd3 {[%emt 0:01:19]} b2 {[%emt 0:01:07]} 48. Kc2 {[%emt 0:01:03]} a3 {[%emt 0:00:18]} 49. Kxd1 {[%emt 0:01:18]} a2 {[%emt 0:00:05]} 50. Rxb2 {[%emt 0:00:05]} a1=Q+ {[%emt 0:00:09]} 51. Kc2 {[%emt 0:00:04]} Qa4+ {[%emt 0:00:09]} 52. Kc1 {[%emt 0:00:38]} Qxe4 {[%emt 0:00:00]} 53. Rb3 {[%emt 0:00:35]} Qd5 {[%emt 0:00:00]} 54. Re3 {[%emt 0:00:44]} Qxg5 {[%emt 0:00:00]} 55. Kd2 {[%emt 0:00:06]} Qd5+ {[%emt 0:00:00]} 56. Ke2 {[%emt 0:00:14]} Qg2+ {[%emt 0:00:00]} 57. Ke1 {[%emt 0:00:26]} Kg6 {[%emt 0:00:00]} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Free, Graham"]
[Black "Kumar, Nikhil"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1926"]
[BlackElo "2268"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,96,-6,-7,27,-12,-3,-12,36,23,36,35,39,31,37,18,16,4,9,30,46,41,45,45,45,40,48,48,52,47,49,40,41,40,38,40,45,44,46,-54,-52,-50,-53,-54,-53,-57,-56,-58,-46,-111,-97,-128,-132,-124,-94,-86,-60,-58,-70,-106,-104,-103,-104,-111,-106,-94,-98,-229,-227,-4982,-1935,-29988,-29989,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-5261,-1837,-1729,-1727,-802,-29981,-29982]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. a3 (5. e3 c6 6. Nc3 Nc7 7. Nf3 Bd6 8. Ne5 O-O 9. Qf3 Bb4 10. Bd3 Nb5 11. O-O Nxc3 12. bxc3 Bxc3 {0-1 (33) Jobava,B (2690)-Anand,V (2782) Riadh 2017}) 5... c6 6. Nc3 {D00: 1 d4 d5: Unusual lines} Bd6 7. e3 {LiveBook: 8 Games} Nb8 8. Bd3 $146 {White has an edge.} ({Predecessor (4):} 8. Nf3 O-O 9. Bd3 Bxf4 10. exf4 c5 11. dxc5 Qc7 {0-1 (88) Rodi,L (2318)-Teixeira,R (2205) Rio de Janeiro 2017}) 8... Bxf4 9. exf4 Qb6 10. Nf3 Nbd7 11. O-O O-O 12. Re1 c5 13. Na4 Qc7 14. Nxc5 Nxc5 15. dxc5 Qxc5 16. Qe2 Bd7 17. c3 Rfe8 18. Rad1 Rad8 19. Nd4 Bc6 20. Qe5 Nd7 {[%cal Bf6d7,Bd7c5,Bc5d3][%mdl 32]} 21. Qh5 g6 22. Qh4 Qe7 23. Qg3 Qf6 24. Re2 Nc5 25. Rde1 (25. Bc2 $14) 25... Nxd3 $15 26. Qxd3 Qxf4 27. g3 Qd6 28. f4 Re7 29. Re3 Rde8 30. Qe2 (30. Nf3 $1 $15) 30... Bd7 31. h4 f6 32. Nf3 Qc5 33. Kh2 e5 34. fxe5 Bg4 {[#] Hoping for ...Rxe5!} 35. Qd2 Bxf3 $1 36. Rxf3 Rxe5 37. Rxe5 fxe5 $17 {[%mdl 4096] Endgame KQR-KQR} 38. h5 e4 39. Rf6 (39. Rf1 $17 {was necessary.}) 39... e3 $19 40. Qd3 $2 {[#]} (40. Qe2 Qe7 41. Rf1) 40... e2 41. Rxg6+ Kh8 ({Stronger than} 41... hxg6 42. Qxg6+ Kf8 43. Qf6+ Kg8 44. Qg6+ Kf8 45. Qf6+ Kg8 46. Qg6+ $11) 42. Qf3 Qe7 43. Rf6 e1=Q 44. Rf7 Q7e2+ 45. Kh3 Qh1+ (45... Qxf3 $142 46. Rxf3 Qh1+ 47. Kg4 Qd1 48. b3 Re4+ 49. Kg5 Qxf3 50. h6 Qxg3+ 51. Kh5 Qh4#) 46. Qxh1 Qxh5+ 47. Kg2 Re2+ (47... Qxf7 $142 48. Qd1 Qe6) 48. Rf2 Rxf2+ {Precision: White = 41%, Black = 63%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "7"]
[White "Green, Austen"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "C84"]
[BlackElo "1896"]
[Annotator "NA RC"]
[PlyCount "73"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 1:31:30]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 5. d4 {[%emt 0:00:00]} exd4 {[%emt 0:00:00]} 6. O-O {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 7. Re1 {[%emt 0:02:22]} Be7 {[%emt 0:00:00]} 8. Nxd4 {[%emt 0:02:52]} Bd7 {[%emt 0:00:00]} 9. Nxc6 {[%emt 0:00:48]} Bxc6 {[%emt 0:00:00]} 10. Bxc6+ {[%emt 0:00:34]} bxc6 {[%emt 0:00:00]} 11. Nc3 {[%emt 0:00:35]} O-O {[%emt 0:00:00]} 12. Bf4 {[%emt 0:00:40]} Rb8 {[%emt 0:00:00]} 13. Rb1 {[%emt 0:02:27]} Nd7 {[%emt 0:00:00]} 14. Qd3 {[%emt 0:01:31]} Nc5 {[%emt 0:00:00]} 15. Qg3 {[%emt 0:00:52]} Ne6 {[%emt 0:00:00]} 16. Bd2 {[%emt 0:07:02]} Bf6 {[%emt 0:00:00]} 17. Qd3 {[%emt 0:01:50]} Nc5 {[%emt 0:00:00]} 18. Qc4 {[%emt 0:03:07]} Qd7 {[%emt 0:00:00]} 19. b4 {[%emt 0:01:52]} Qe6 {[%emt 0:00:00]} 20. Nd5 {[%emt 0:07:00]} cxd5 {[%emt 0:00:00]} 21. exd5 {[%emt 0:00:06]} Qf5 {[%emt 0:00:00]} 22. bxc5 {[%emt 0:00:29]} dxc5 {[%emt 0:00:00]} 23. Qxc5 {[%emt 0:01:42]} Rxb1 {[%emt 0:00:00]} 24. Rxb1 {[%emt 0:00:02]} Rd8 {[%emt 0:00:00]} 25. Re1 {[%emt 0:03:22]} h6 {[%emt 0:01:41]} 26. c4 {[%emt 0:00:48]} Qc2 {[%emt 0:01:32]} 27. Ba5 {[%emt 0:00:16]} Qxa2 {[%emt 0:01:08]} 28. Qxc7 {[%emt 0:01:18]} Kh7 {[%emt 0:00:45]} 29. h3 {[%emt 0:08:37]} Bd4 {[%emt 0:07:54]} 30. Qxd8 {[%emt 0:54:48]} Bxf2+ {[%emt 0:00:30]} 31. Kh1 {[%emt 0:00:00]} Bxe1 {[%emt 0:00:00]} 32. Bxe1 {[%emt 0:00:00]} Qxc4 {[%emt 0:00:00]} 33. Bf2 {[%emt 0:01:30]} Qf1+ {[%emt 0:00:00]} 34. Bg1 {[%emt 0:00:30]} f5 {[%emt 0:02:00]} 35. d6 {[%emt 0:00:00]} f4 {[%emt 0:00:30]} 36. Qf8 {[%emt 0:01:00]} f3 {[%emt 0:00:00]} 37. Qe7 {[%emt 0:00:00]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Kovalyov, Anton"]
[Black "Hilby, Craig"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2644"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,59,9,35,33,88,102,89,22,11,7,26,19,20,32,14,19,29,2,28,0,12,-10,-10,-16,-16,-51,-18,-22,-21,-14,-67,-154,-153,-434,-441,-435,-442,-635,-645,-1008,-1001,-2378]} 1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. d4 Bg7 7. Bf4 {D90: Grünfeldindisch (Flohr-Variante)} Be6 8. Qa3 c5 9. Qxc5 Nc6 10. e4 Rc8 {[%cal Rc6d4] LiveBook: 4 Partien} 11. Qa3 {d5 ist eine echte Drohung.} Nxd4 {[#]} 12. O-O-O $1 {Und Sxd4 würde nun gewinnen.} O-O {[#]} 13. e5 (13. Be3 $1 $16 {[%cal Rf3d4]} Nc4 14. Bxc4 Rxc4 15. Kb1) 13... Nc4 $11 14. Qxa7 {[#]} Qc7 $146 ({Vorgänger:} 14... Nb5 15. Rxd8 Nxa7 16. Rxc8 Rxc8 {1-0 (49) Wang,H (2711)-Mikhalevski,V (2538) Caleta 2018}) 15. Rxd4 Ra8 $1 {[%cal Ra8a7]} 16. Rxc4 $1 (16. Nb5 $2 Qc6 $19) 16... Bxc4 17. Qe3 {Droht Kb1 und aus.} Bxa2 18. Kc2 Rfc8 19. Nd4 Qa5 20. Bd3 Qa4+ 21. Kc1 $1 ({Viel schwächer wäre} 21. Kd2 Qb4 $17) 21... Qb4 $36 {[%mdl 2048] Und weiter mit ...Txc3+ wäre nett. Schwarz hat gut koordiniertes Spiel.} 22. Be4 Bd5 23. Bxd5 Ra1+ 24. Kc2 Rxh1 25. Bg3 ({Besser ist} 25. g3 $15 Rg1 26. b3) 25... Qa4+ $17 26. Nb3 $2 (26. Kd3 $17 Qb4 27. Qe2) 26... Qa2 $1 $19 {[%cal Ra2b1] ( -> ...Db1+). Schwarz steht klar auf Gewinn.} 27. Nc5 Qa5 28. b4 (28. Bxf7+ $142 Kxf7 29. Nd3) 28... Qxb4 29. Nb3 e6 30. Bf3 {Precision: Weiß = 27%, Schwarz = 70%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Matsenko, Sergei"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2533"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,25,10,18,-3,6,10,9,7,13,1,13,7,10,8,4,13]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nc6 6. Bc4 {A34: Englische Eröffnung (Symmetrische Variante)} Nxc3 {LiveBook: 3 Partien. Die Stellung ist ausgeglichen.} 7. dxc3 (7. Qb3 {looks sharper.} e6 8. Qxc3 a6 9. Be2 f6 10. O-O) 7... Qc7 8. e4 e6 9. O-O Bd6 10. Qe2 $146 ({Vorgänger:} 10. Bg5 h6 11. Bh4 O-O 12. Qe2 Na5 13. e5 Nxc4 14. Qxc4 Bxe5 15. Nxe5 Qxe5 16. Be7 Re8 17. Qxc5 Qxc5 {½-½ (17) Bu,X (2710)-Svidler,P (2751) Tbilisi 2017}) 10... O-O 11. Re1 Ne5 12. Nxe5 Bxe5 13. g3 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Preotu, Razvan"]
[Black "Reshef, Omer"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2513"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,20,22,-18,-24,-67,-3,0,13,10,25,37,48,0,0,0,0,0,-2,-86,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,18,20,20,34,0,13,0,20,0]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. a3 d5 5. exd5 Nxd5 {LiveBook: 6 Games} 6. Nc3 {C24: Bishop's Opening: 2...Nf6} (6. Nf3 Nb6 7. Ba2 Bg4 8. h3 Bh5 9. Nc3 Qd7 10. Nxe5 Qf5 11. Ng4 O-O-O 12. Ne4 {0-1 (39) Fedorchuk,S (2626)-Kovalenko,I (2644) Drancy 2016}) 6... Be6 {With the idea ...Nxc3.} 7. Ne4 Be7 ({Black should play} 7... f5 $15 8. Ng5 Bg8) 8. Nf3 $146 ({Predecessor:} 8. Ne2 Qd7 9. O-O f5 10. Ng5 Bxg5 11. Bxg5 h6 12. Bd2 {1-0 (41) Jankowski,A-Quander,K Troy 1993}) 8... O-O 9. O-O h6 10. b4 f5 11. Nc5 Bxc5 $1 12. bxc5 Qf6 13. Bb2 Nf4 {White should prevent ...Bxc4.} 14. Bb5 (14. Nxe5 $11 {remains equal.} Nxe5 15. Re1 Nh3+ 16. Kf1 Bxc4 17. Bxe5) 14... Nd4 (14... Qg6 $17 {[%csl Gf4][%cal Rg6g2]} 15. g3 Bd5) 15. Nxd4 exd4 16. Qf3 g5 17. Bc1 {[%cal Bb2c1,Bc1d2,Bd2a5,Ba5c7][%mdl 32]} Nd5 {[#] Hoping for ...g4.} 18. Re1 c6 19. Bc4 Rae8 20. Bd2 Nc7 21. Ba5 Bxc4 22. Bxc7 Bd5 23. Qh5 Bf7 24. Qf3 Bd5 25. Qh5 Bf7 26. Qf3 {Precision: White = 60%, Black = 56%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Raznikov, Danny"]
[Black "Nguyen, Emily"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2498"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,46,12,6,18,15,20,37,30,58,37,58,49,90,83,102,90,90,35,46,33,43,43,48,26,47,20,30,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Nc3 Bb4 8. Bd3 Nbd7 9. cxd5 {D11: Damengambit (Slawische Verteidigung)} (9. O-O O-O 10. Qd1 Re8 11. Bd2 dxc4 12. Bxc4 Qe7 13. a3 Bd6 14. Qc2 Rad8 15. Rfd1 h5 16. b4 h4 {0-1 (35) So,W (2815)-Carlsen,M (2832) chess.com INT 2017}) 9... exd5 10. O-O O-O {LiveBook: 7 Partien} 11. a3 Bd6 12. g4 $146 ({Vorgänger:} 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qh4 h6 16. Re1 Re8 {1-0 (54) Buhmann,R (2525)-Grabarczyk,M (2506) Griesheim 2003}) 12... h6 13. h4 {[%cal Bh3h4,Bh4g5][%mdl 32]} Re8 14. g5 hxg5 15. hxg5 Nh7 16. Bxh7+ $1 Kxh7 17. e4 dxe4 18. Nxe4 (18. Qxf7 $16 {Droht Matt per Kg2.} Re7 19. Qf5+ Kg8 20. Nxe4) 18... Re6 $1 $14 19. Kg2 Kg8 20. Rh1 Nf8 $1 21. Bd2 Ng6 22. Rae1 {[#] Droht Dh3 und aus.} Bc7 $1 23. Qh5 {Droht stark Dh7+.} (23. Nf6+ $5 gxf6 24. Rxe6 fxe6 25. Qh5 $16) 23... Qd5 {Precision: Weiß = 78%, Schwarz = 64%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Popilski, Gil"]
[Black "Javakhadze, Zurab"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2491"]
[BlackElo "2438"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,43,25,42,0,8,-27,0,0,0,0,0,-1,-4,-1,-12,-19,12,0,0,-5,-7,-10,-1,-3,-6,-17,-12,-21,45,18,41,-42,-20,-17,-19,-846]} 1. b3 a5 2. a3 (2. Bb2 a4 3. e3 e6 4. Nf3 Nf6 5. Be2 Be7 6. O-O O-O 7. d4 b6 8. c4 a3 9. Bc1 Bb7 {0-1 (40) Jobava,B (2714)-Tabatabaei,M (2509) Bandar e Anzali 2017}) 2... b6 3. e4 $146 ({Predecessor:} 3. Bb2 Bb7 4. e3 e6 5. c4 f5 6. f4 Nf6 7. Nf3 g6 8. g3 Bg7 9. Bg2 Qe7 {0-1 (39) Bergstrom,R (2275)-Karlsson,L (2426) Stockholm 2014}) 3... Bb7 4. Nc3 e5 5. Nf3 d6 6. Be2 {A01: Nimzowitsch-Larsen Opening} Nf6 7. d3 Be7 8. O-O O-O 9. Re1 Nbd7 10. Bf1 Re8 11. Bb2 Bf8 12. g3 Nc5 13. Bg2 g6 14. Nd2 Bg7 15. Nc4 Ne6 16. Nd5 b5 17. Nxf6+ Qxf6 18. Ne3 c5 ({Better is} 18... Qd8 $11) 19. a4 (19. f4 $5) 19... b4 20. Qf3 (20. f4 $1 $14) 20... Qxf3 21. Bxf3 Nd4 22. Bc1 $2 {[%mdl 40960] Precision: White = 41%, Black = 40%. . An unexpected result.} (22. Bg2 $11) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Drozdowski, Kacper"]
[Black "Nakar, Eylon"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2489"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,41,30,28,18,16,14,20,15,14,8,26,-16,-9,-19,0,-20,0,0,6,11,11,9,16,-32]} 1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 c5 5. c4 O-O 6. Nc3 Nc6 7. Nf3 d6 8. O-O Bd7 9. d4 cxd4 10. Nxd4 Rc8 {LiveBook: 46 Games} 11. Nxc6 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} (11. Qd2 a6 12. Rac1 Nxd4 13. Qxd4 Bc6 14. Nd5 Bxd5 15. Bxd5 Rc7 16. Rfd1 Qb8 17. Bf3 Rfc8 18. Qe3 Ne8 19. Bxg7 Nxg7 {0-1 (39) Demuth,A (2545)-Adhiban,B (2674) Berlin 2015}) 11... Bxc6 12. Qd2 Bxg2 13. Kxg2 a6 $146 ({Predecessor:} 13... Qd7 14. f3 Rc5 15. e4 a6 16. Nd5 Nxd5 17. cxd5 Rfc8 18. Rf2 Bxb2 19. Qxb2 {½-½ (26) Schrancz,I (2267)-Hever,M (2250) Hungary 2000}) 14. Rab1 Qd7 15. Nd5 Nxd5 {The position is equal.} 16. Bxg7 Kxg7 17. Qxd5 Qc6 18. Rfd1 Qxd5+ 19. Rxd5 Rc6 20. Kf3 Rfc8 21. Ke4 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Checa, Nicolas"]
[Black "Baryshpolets, Andrey"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2478"]
[BlackElo "2609"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,115,45,43,48,17,31,17,19,23,28,10,40,9,2,0,0,0,0,-27,9,-33,-27,-40,0,-19,-25,-29,-29,-25,-35,-25,26,20,117,118,144,137,364,372,372,370,359,366,335,368,329,345,575,129,133,133,122,123,130,134,218,210,216,210,214,225,283,276,298,277,350,343,400,389,385,343,343,302,6532,6532,6211,5631,9689,10296,5093,2156,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 Nd7 8. Be2 g6 {D43: Semi-Slav: 5 Bg5 h6} 9. O-O dxc4 10. Ne4 {LiveBook: 5 Games} Qg7 $146 {White is slightly better.} ({Predecessor:} 10... Qe7 11. Ne5 Bg7 12. f4 Nb6 13. Qe1 O-O 14. h4 h5 15. Rf3 Bd7 16. Rc1 {½-½ (41) Dubov,D (2654)-Karjakin,S (2753) Chita 2015}) 11. Bxc4 Be7 12. Rc1 O-O 13. Bb3 Kh8 14. Ned2 e5 15. Nc4 {[%cal Rf3e5]} e4 16. Nfd2 f5 17. f3 c5 18. fxe4 cxd4 19. exd4 Qxd4+ 20. Kh1 fxe4 (20... Nc5 $5 {[%cal Rf5e4]} 21. e5 Be6 $15) 21. Qg4 Bg5 {Hoping for ...b5.} 22. Rcd1 Nf6 23. Qg3 {aiming for h4.} e3 {Strongly threatening ...e2.} 24. Nf3 Qc5 (24... Qf4 $142 $1 25. Qxf4 (25. Nxg5 $2 Qxg3 26. hxg3 e2 $19) 25... Bxf4) 25. Nxg5 $11 e2 (25... Qxg5 $11 {remains equal.} 26. Qxe3 Qxe3 27. Nxe3 Bd7) 26. Ne5 $16 {Threatening mate with Ngf7+.} exd1=Q 27. Rxd1 (27. Ngf7+ Rxf7 $1 {[%mdl 512]} 28. Bxd1 (28. Nxf7+ Kg7 $19) 28... Rg7 $17) 27... Bg4 $2 (27... Bf5 $16 28. Ne6 Bxe6 29. Nxg6+ (29. Bxe6 g5 $11) 29... Kh7 30. Nxf8+ (30. Bxe6 $2 Rg8 $17) 30... Rxf8 31. Bxe6 Kh8) 28. Nxg6+ $18 Kg7 29. Ne6+ (29. Nxf8 hxg5 30. Qxg4 (30. Ne6+ Bxe6 31. Bxe6 Ne4 $11) 30... Nxg4 $18) 29... Bxe6 30. Nxf8+ (30. Bxe6 Nh5 $16) 30... Kxf8 31. Bxe6 Re8 {[#]} 32. Bb3 $1 Qe3 $2 {[#]} (32... Qf5 {was worth a try.} 33. h3 a5) 33. Qxe3 $2 (33. Rf1 $1 $18 {[%cal Rf1f6]} Qxg3 34. Rxf6+ (34. hxg3 Kg7 $14) 34... Ke7 35. Rf7+ (35. hxg3 $2 Kxf6 36. Bc4 Re5 $19) 35... Kd8 36. hxg3) 33... Rxe3 {[%mdl 4096] Endgame KRB-KRN} 34. h3 Ke7 35. Kg1 Re2 36. Rc1 Rxb2 (36... Kd6 $16) 37. Rc7+ Kd6 38. Rxb7 a5 39. Ra7 Ke5 40. Rxa5+ Kf4 41. Ra6 Ne4 42. Rxh6 Rb1+ 43. Kh2 Nd2 {( -> ...Nf1+)} 44. Rf6+ Kg5 45. Rf7 ({But not} 45. Rb6 Nf1+ 46. Kg1 Nd2+ 47. Kf2 Rb2 $18) 45... Kg6 $2 (45... Nf1+ 46. Kg1 Nd2+ 47. Kf2 Nxb3) 46. Bc2+ ({Less strong is} 46. Be6 Nf1+ 47. Rxf1 (47. Kg1 Nd2+ 48. Kh2 Nf1+ 49. Rxf1 Rxf1 $14) 47... Rxf1 $14) 46... Kxf7 47. Bxb1 Nxb1 {KN-K3P} 48. a4 Ke6 49. a5 (49. g4 $142 Nc3 50. a5) 49... Kd6 50. a6 {White mates.} Kc6 51. h4 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32]} Nc3 52. h5 Ne4 53. h6 Nf6 54. Kh3 Kb6 55. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nh7 56. Kh4 Kxa6 57. g5 Nf8 58. Kh5 {Precision: White = 74%, Black = 32%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Stremavicius, Titas"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2467"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,145,35,83,68,69,72,62,66,70,30,48,25,33,18,20,24,27,32,32,20,20,19,23,22,22,6,6,6,35,39,41,16,14,3,7,18,14,0,0,10,15,0,22,24,21,0,0,0,0,0,0,0,0,0,0,-10,0,0,47,55,67,64,79,9,8,0,0,0,0,0,29,24,25,25,38,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,16,8,8,8,8,8,8,0,14,0,29,0,8,8,8,8,8,8,60,8,67,67,76,8,8,8,6176,10465,4633,4054,11870,5608,12833,12245,29964,29971,29968,29969,4611,1598,29961,12799,29985,29986,29986,29987,29993,29994]} 1. c4 e5 2. Nc3 Nc6 3. e3 Bc5 4. Nf3 d6 5. d4 Bb6 {LiveBook: 3 Games} (5... exd4 6. exd4 Bb4 7. Bd2 Bxc3 8. Bxc3 d5 9. cxd5 Qxd5 10. Ne5 Nge7 11. f3 Be6 12. Bd3 Nxe5 13. dxe5 {0-1 (52) Khismatullin,D (2632)-Fedorchuk,S (2648) Riadh 2017}) 6. dxe5 {A27: English Opening: Three Knights Variation} dxe5 7. Qxd8+ Kxd8 8. a3 {White is slightly better.} a5 $146 ({Predecessor:} 8... f6 9. Be2 Be6 10. O-O a6 11. b4 Rc8 12. Bb2 Ke8 {0-1 (42) Ploog,M (2121)-Schmidt,A (2115) Germany 2016}) 9. Nd5 f6 10. Bd2 Nge7 11. Nxb6 cxb6 12. Be2 Kc7 13. O-O Rd8 14. Bc3 Bf5 15. Rfd1 Bc2 16. Rxd8 Rxd8 17. Rc1 Bd3 18. Kf1 Nf5 19. Bxd3 Rxd3 20. Ke2 Rd8 21. g4 Nd6 22. Nd2 h5 23. h3 hxg4 24. hxg4 Rh8 25. g5 fxg5 26. Rg1 Rh5 27. Nf3 Nf7 28. b4 axb4 29. axb4 Kd6 30. b5 Ne7 31. Nd2 Ke6 32. Ne4 Nf5 33. c5 bxc5 34. Nxc5+ Kd5 35. Nxb7 Kc4 36. Ba1 (36. e4 $16 Ne7 37. Ba5) 36... Kxb5 $11 37. Rb1+ Kc6 38. Na5+ Kd7 39. Nc4 Ke6 40. Rb6+ N5d6 41. Bxe5 Nxe5 42. Rxd6+ {[%mdl 4096] Endgame KRN-KRN} (42. Nxd6 {looks sharper.} Rh6 43. Nb5+ Kf7 44. Rb7+ Kg6 45. Nd6) 42... Ke7 43. Rd4 Nxc4 44. Rxc4 {KR-KR} Kf6 45. Kf3 Rh3+ 46. Kg2 Rh8 47. Kg3 Rh1 48. Rc6+ Kf5 49. Rc5+ Kf6 50. f3 Re1 51. Rc6+ Kf7 $1 52. e4 Rg1+ 53. Kh3 Rh1+ 54. Kg4 Rf1 55. e5 Rg1+ 56. Kf5 Rf1 57. Rc7+ Kg8 58. Rc3 Kf7 (58... Re1 $1 $11) 59. Ra3 (59. Kxg5 $14 Ke6 60. Kf4) 59... g6+ ({Black should try} 59... Re1 $1 $11) 60. Kxg5 $14 {Hoping for Ra7+.} Ke6 {[#]} 61. f4 ({Don't play} 61. Kxg6 Kxe5 62. Kg5 Rg1+ 63. Kh6 Kf4 $11) (61. Kf4 $1 $16) 61... Rg1+ $11 62. Kh6 Rg4 $2 {[%mdl 8192]} (62... Kf5 $11) 63. Ra6+ $18 Ke7 64. Rf6 Ke8 65. Kh7 (65. Kg7 $142 Ke7 66. Kh7 (66. Rxg6 Rxf4 67. Ra6 Re4 $11)) 65... Ke7 66. Kg7 Ke8 67. Rf7 Rg1 68. Kf6 Rg4 69. Ke6 (69. f5 $142 gxf5 70. Ra7) 69... Rg1 70. Ra7 {[%cal Ra7a8] [#]} Kf8 71. Kf6 {[%cal Ra7a8] White mates.} Ke8 72. e6 {[%cal Ra7a8,Be5e6,Be6e7][%mdl 32]} Kd8 73. e7+ {Precision: White = 53%, Black = 47%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Arribas Lopez, Angel"]
[Black "Patel, Advait"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2460"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,129,-25,-12,-8,-27,-16,-16,-24,-2,-24,0,-27,-17,-18,-25,-47,0,0,38,38,66,55,61,54,70,65,69,73,80,71,92,87,71,77,116,118,140,133,142,106,232,233,226,205,205,205,205,212,208,202,199,206,198,179,254,241,317,314,317,300,320,329,322,300,289,244,479,479,479,472,400,278,253,271,260,247,253,233,387,225,216,212,426,282,374,310,334,333,328,327,314,306,289,245,238,83,83,90,91,16,14,15,833,859,839,832,4189,4170,4163,4163,4156,4149,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O Bg7 8. Re1 O-O {C77: Spanische Partie (Anderssen-Variante)} 9. d4 (9. Nbd2 b5 10. Bc2 Bb7 11. Nf1 Nb8 12. d4 Nbd7 13. Ng3 Re8 14. a4 c6 15. Be3 Qc7 16. h3 exd4 17. cxd4 c5 {0-1 (65) McShane,L (2640)-Howell,D (2676) London 2017}) 9... b5 {LiveBook: 8 Partien} 10. Bc2 exd4 {Die Stellung ist ausgeglichen.} 11. Nxd4 Bb7 12. Bg5 $146 ({Vorgänger:} 12. Bf4 Re8 13. Nd2 Nh5 14. Be3 Nxd4 15. Bxd4 {0-1 (38) Szklarczyk,Z-Bura,M Poland 1992}) 12... h6 13. Bh4 Re8 14. f3 Ne5 15. f4 Ned7 16. Nb3 Qb8 {[%cal Rf6e4]} 17. N1d2 c5 18. Na5 Ra7 19. Nxb7 Rxb7 20. Qf3 Rb6 21. Bf2 Qc7 22. Rad1 Rbb8 23. Nf1 Nb6 {[#]} 24. e5 $1 {[%mdl 512]} dxe5 25. fxe5 Nfd7 {[#]} 26. e6 $1 {[%cal Re6f7][%mdl 512]} Rxe6 27. Rxe6 fxe6 28. Bg3 e5 (28... Ne5 $16 29. Qe2 c4) 29. Bxg6 $18 Nf8 30. Bf5 $40 {[%mdl 128] Schwarz ist in Schwierigkeiten.} Rd8 31. Rxd8 Qxd8 32. Qb7 Qf6 33. Qxa6 Nc4 34. Qxf6 ({Minderwertig wäre} 34. Qxb5 Nd6 $11) 34... Bxf6 35. Bd3 Nxb2 (35... Nd6 {war einen Versuch wert.} 36. Ne3 c4) 36. Bxb5 e4 37. Nd2 Bxc3 38. Nxe4 Bd4+ 39. Bf2 Ne6 40. Bd7 Nf8 41. Bf5 Nd1 $2 (41... Na4 42. Bg4 Kg7) 42. Bxd4 cxd4 {[%mdl 4096] Endspiel KLS-KSS} 43. a4 Ne3 44. Bc8 Nc4 45. Bb7 {Schwarz muss nun Ld5+ beachten.} Na5 46. Bd5+ Kg7 47. Nd6 Nd7 $2 (47... Kf6 48. Nc4 Nxc4) 48. Nc4 (48. Nb7 $142) 48... Nb3 49. a5 Ndc5 $2 (49... Nb8 50. Kf2 Kf6) 50. Kf1 d3 51. Ke1 Kf6 52. Bb7 d2+ 53. Kd1 (53. Nxd2 Nxa5 54. Ne4+ Nxe4 $16) 53... Nd3 {[#] zielt auf ...Sf2+ ab.} 54. Bf3 $1 ({Nicht} 54. Nxd2 Nxa5 55. Ba8 Ne5 $16) 54... Nb4 55. h4 Ke7 56. g4 $2 (56. Ke2 $18 {bietet bessere Gewinnchancen.}) 56... Kf6 $16 57. Be2 Ke7 58. g5 (58. Ne3 $16 Nxa5 59. Nf5+ (59. Kxd2 Kf6 $16) 59... Kf6 60. Nxh6) 58... hxg5 $11 59. hxg5 {Droht stark Lh5.} Kf7 $2 {[%mdl 8192] [#]} (59... Ke6 $11) 60. Ne5+ $1 $18 Kg7 61. a6 Nxa6 62. Bxa6 Nc5 63. Bc4 Kh7 64. Bd5 Nd7 65. Be4+ {Precision: Weiß = 73%, Schwarz = 51%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Wheeler, Cameron"]
[Black "Sadorra, Julio Catalino"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "2406"]
[BlackElo "2555"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,58,6,31,0,0,0,0,0,0,-17,-16,-10,-3,-12,-10,-9,17,-205,8,18,29,0,10,0,41,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. d4 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 b6 9. e4 dxc4 10. Nxc4 Bb7 {E09: Closed Catalan: Main Line: 7 Qc2 c6 8 Nbd2} 11. Bg5 b5 {LiveBook: 6 Games} 12. e5 (12. Bxf6 Nxf6 13. Ncd2 Rc8 14. e5 Nd7 15. a4 {½-½ (15) Swiercz,D (2649)-Cori Tello,J (2660) Columbus 2017}) 12... bxc4 13. exf6 Bxf6 14. Bxf6 Qxf6 15. Rfe1 c5 16. Ne5 Nxe5 17. dxe5 Qe7 18. Be4 $146 ({Predecessor:} 18. Bxb7 Qxb7 19. Qxc4 Qxb2 {½-½ (40) Vuilleumier,A (2342)-Kjartansson,G (2477) London 2015}) 18... Bd5 19. Bxh7+ Kh8 {Hoping for ...g6.} 20. Be4 Rab8 21. f4 (21. Rad1 $5 {[%cal Re4d5]}) 21... f5 22. Bg2 Qb7 23. Re2 Rfd8 {The position is equal.} 24. Bxd5 Qxd5 25. Rc1 Qd4+ 26. Kh1 Qd5+ 27. Kg1 Qd4+ 28. Kf1 Qd5 {[#] Strongly threatening ...Qh1+.} 29. Kg1 Qd4+ {Precision: White = 56%, Black = 66%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Wang, Justin"]
[Black "Stefanov, Emil"]
[Result "1-0"]
[ECO "C97"]
[WhiteElo "2391"]
[BlackElo "2407"]
[Annotator "ChessBase"]
[PlyCount "113"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:03:52]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:17]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:31]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:00]} 5. O-O {[%emt 0:00:26]} Be7 {[%emt 0:01:18]} 6. Re1 {[%emt 0:00:47]} b5 {[%emt 0:00:50]} 7. Bb3 {[%emt 0:00:01]} d6 {[%emt 0:00:07]} 8. c3 {[%emt 0:00:23]} O-O {[%emt 0:00:08]} 9. h3 {[%emt 0:00:15]} Na5 {[%emt 0:10:45]} 10. Bc2 {[%emt 0:01:04]} c5 {[%emt 0:00:05]} 11. d4 {[%emt 0:00:25]} Qc7 {[%emt 0:00:10]} 12. Nbd2 {[%emt 0:00:35]} Rd8 {[%emt 0:01:48]} 13. d5 {[%emt 0:04:40]} c4 {[%emt 0:02:27]} 14. Nf1 {[%emt 0:01:54]} h6 {[%emt 0:00:26]} 15. Ng3 {[%emt 0:01:40]} Bf8 {[%emt 0:00:42]} 16. Nh2 {[%emt 0:05:44]} Nb7 {[%emt 0:13:14]} 17. Qf3 {[%emt 0:04:02]} Qe7 {[%emt 0:04:16]} 18. Be3 {[%emt 0:06:41]} g6 {[%emt 0:11:38]} 19. Qe2 {[%emt 0:07:00]} Nc5 {[%emt 0:05:15]} 20. Qd2 {[%emt 0:05:03]} Kh7 {[%emt 0:00:31]} 21. b4 {[%emt 0:04:31]} cxb3 {[%emt 0:02:13]} 22. axb3 {[%emt 0:00:37]} Bb7 {[%emt 0:03:25]} 23. b4 {[%emt 0:00:53]} Ncd7 {[%emt 0:00:04]} 24. Bd3 {[%emt 0:00:10]} Rdc8 {[%emt 0:02:40]} 25. Rec1 {[%emt 0:00:30]} Bg7 {[%emt 0:01:59]} 26. Qe2 {[%emt 0:09:04]} Qd8 {[%emt 0:01:50]} 27. Nhf1 {[%emt 0:03:39]} Nb6 {[%emt 0:11:38]} 28. Nd2 {[%emt 0:01:05]} Nfd7 {[%emt 0:03:22]} 29. Nb3 {[%emt 0:02:14]} Nc4 {[%emt 0:00:39]} 30. Bxc4 {[%emt 0:00:52]} bxc4 {[%emt 0:00:25]} 31. Na5 {[%emt 0:00:31]} Qc7 {[%emt 0:00:11]} 32. Ra2 {[%emt 0:03:31]} Bf6 {[%emt 0:04:56]} 33. Nf1 {[%emt 0:00:39]} Bg5 {[%emt 0:03:53]} 34. Bxg5 hxg5 {[%emt 0:00:04]} 35. Ne3 {[%emt 0:00:32]} Nb6 {[%emt 0:01:20]} 36. Qg4 {[%emt 0:02:19]} f6 {[%emt 0:09:16]} 37. h4 {[%emt 0:00:57]} Rh8 {[%emt 0:01:29]} 38. hxg5 {[%emt 0:00:37]} Bc8 {[%emt 0:00:05]} 39. Qf3 {[%emt 0:01:06]} Kg8 {[%emt 0:01:13]} 40. Qxf6 {[%emt 0:11:04]} Qh7 {[%emt 0:01:01]} 41. f3 {[%emt 0:00:32]} Qh1+ {[%emt 0:01:50]} 42. Kf2 {[%emt 0:00:04]} Qxc1 {[%emt 0:00:40]} 43. Qxg6+ {[%emt 0:00:53]} Kf8 {[%emt 0:00:04]} 44. Qxd6+ {[%emt 0:03:33]} Kg8 {[%emt 0:00:04]} 45. Qd8+ {[%emt 0:00:45]} Kg7 {[%emt 0:00:08]} 46. Qe7+ {[%emt 0:00:20]} Kg8 {[%emt 0:00:09]} 47. Qe8+ {[%emt 0:01:58]} Kg7 {[%emt 0:00:04]} 48. Qxe5+ {[%emt 0:00:09]} Kg8 {[%emt 0:00:03]} 49. Qe8+ {[%emt 0:02:04]} Kg7 {[%emt 0:00:04]} 50. Qe7+ {[%emt 0:00:09]} Kg8 {[%emt 0:00:04]} 51. g6 {[%emt 0:03:48]} Ra7 {[%emt 0:01:29]} 52. Qxa7 {[%emt 0:00:36]} Nd7 {[%emt 0:00:09]} 53. Ng4 {[%emt 0:03:29]} Rh1 {[%emt 0:00:17]} 54. Qe3 {[%emt 0:01:42]} Qb1 {[%emt 0:01:21]} 55. Kg3 {[%emt 0:03:06]} Qxa2 {[%emt 0:01:42]} 56. Qf4 {[%emt 0:00:29]} Ne5 {[%emt 0:01:07]} 57. Nxe5 {[%emt 0:01:17]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "2370"]
[BlackElo "2425"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,117,-38,-25,-74,-69,-62,-67,-70,-84,-85,-35,-30,-35,-45,-29,-34,-19,-26,0,-27,-27,-29,-29,-28,-27,-32,-25,-29,-26,-25,-25,-22,-16,-29,-14,-46,-12,-31,-33,-53,0,-104,-99,-123,-47,-38,-8,-8,-8,-8,-8,-8,-8,-34,-34,-34,-27,-27,-27,-33,-27,-43,-35,-44,-8,-8,-8,-21,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,0,-4,0,-8,-8,-8,-4,-4,0,-8,0,-4]} 1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. e3 Nf6 5. Bd3 e5 (5... O-O 6. Nf3 c5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 Qe7 11. Bb2 Rd8 12. Rc1 Bg4 13. Be2 d4 14. Nxd4 Bxd4 15. exd4 Rxd4 16. Qc2 Rad8 17. Bxg4 Nxg4 {½-½ (38) Solak,D (2626)-Vocaturo,D (2607) Heraklio 2017}) 6. dxe5 {E40: Nimzo-Indian: Rubinstein (4 e3): Unusual Black 4th moves} dxc4 7. Qa4+ Nc6 8. Bxc4 Ne4 {LiveBook: 6 Games} 9. Qc2 Bf5 10. Bd3 $1 {[%cal Rd3e4]} Qd5 $1 {[#] Strongly threatening ...Rd8.} 11. f3 Nxc3 12. Bxf5 Nxa2+ 13. Kf2 $1 Nxc1 (13... Nxe5 $2 14. Be4 $18) 14. Rxc1 Qxe5 ({Don't play} 14... Nxe5 $6 15. Ne2 $14) 15. f4 $146 Qf6 16. Nf3 Bd6 17. Rhd1 g6 18. Be4 O-O 19. Bxc6 bxc6 20. b3 Rab8 21. Rd3 c5 22. Nd2 Rb4 23. Nc4 Rfb8 24. Rcd1 Qf5 25. Qa2 h5 26. R1d2 Qe4 27. h3 {[#]} Qb7 (27... a5 $1 $15 {[%mdl 512]} 28. Qc2 (28. Qxa5 Rxb3) 28... Re8) 28. Rd5 (28. Qa1 $11) 28... Rxb3 $17 29. f5 Qb4 (29... gxf5 $17 30. Qc2 (30. Na5 Qxd5 31. Rxd5 Rb2+ 32. Qxb2 Rxb2+ $17) 30... Qb4 31. Nxd6 Rb2 32. Qxb2 Qxb2 33. Rxb2 Rxb2+ 34. Kf3 cxd6 35. Rxd6 a5) 30. Nxd6 $15 Rb2 ({But not} 30... cxd6 31. fxg6 fxg6 32. Rxd6 $17) (30... Qc3 {seems wilder.} 31. R5d3 Qxd3 32. Rxd3 Rb2+ 33. Qxb2 Rxb2+ 34. Kf3 cxd6 35. Rxd6 gxf5 36. Rc6 Rc2) 31. Rxb2 Qxb2+ 32. Qxb2 Rxb2+ 33. Kf3 {Threatens to win with Ne4.} cxd6 34. Rxd6 gxf5 $11 {[%mdl 4096] Endgame KR-KR} 35. Rc6 Rb5 36. Kf4 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 37. Kxf5 Kg7 38. Ke4 a4 {And now ...Ra5 would win.} 39. Ra6 Rb4+ 40. Kd5 {The position is equal.} c4 41. Kd4 h4 42. Kc5 Rb2 43. Rxa4 c3 44. Rc4 Rxg2 {White should prevent ...c2.} 45. Rxc3 Rg3 46. Kd4 Rxh3 {Hoping for ...Rf3.} 47. Ke4 Rg3 {aiming for ...h3.} 48. Kf4 Rg1 49. e4 Kh6 50. Rc8 Kg7 51. Rc3 Rg6 52. Rh3 Rh6 53. Kg5 Rg6+ 54. Kf5 Rh6 55. Kg5 f6+ 56. Kg4 Rg6+ 57. Kf4 Rh6 58. Kg4 Rg6+ 59. Kf4 {Precision: White = 66%, Black = 55%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Li, Ben"]
[Black "Shen, Christopher"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2324"]
[BlackElo "2254"]
[Annotator "NA"]
[PlyCount "97"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:19]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:13]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:12]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:17]} 5. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:09]} 6. h3 {[%emt 0:00:00]} c5 {[%emt 0:00:27]} 7. d5 {[%emt 0:00:00]} e6 {[%emt 0:00:15]} 8. Bd3 {[%emt 0:00:09]} Na6 {[%emt 0:00:34]} 9. O-O {[%emt 0:02:42]} Nc7 {[%emt 0:00:31]} 10. Bg5 {[%emt 0:03:47]} h6 {[%emt 0:02:16]} 11. Bh4 {[%emt 0:12:00] E90: King's Indian: Classical: Early deviations and 6 h3} Rb8 $146 {[%emt 0:05:15]} ({Predecessor:} 11... e5 12. Nd2 Bd7 13. Be2 Qe8 14. a4 Na6 15. Nb5 Qe7 16. a5 Nb4 17. Na3 Qe8 18. Nc2 Na6 {1-0 (49) Drygalov,A (2435)-Kryakvin,D (2592) Voronezh 2018}) 12. Qd2 {[%emt 0:06:21]} e5 {[%emt 0:04:07]} 13. a3 {[%emt 0:03:36]} Bd7 {[%emt 0:03:22]} 14. b4 {[%emt 0:01:28]} b6 {[%emt 0:02:13]} 15. Rab1 {[%emt 0:05:27]} Kh7 {[%emt 0:04:06]} 16. bxc5 {[%emt 0:13:26]} bxc5 {[%emt 0:08:45]} 17. Rxb8 {[%emt 0:00:01]} Qxb8 {[%emt 0:00:02]} 18. Rb1 {[%emt 0:00:02]} Qc8 {[%emt 0:03:19]} 19. Qb2 {[%emt 0:04:18]} Qa6 {[%emt 0:09:04]} 20. Nb5 {[%emt 0:19:26]} Nxb5 {[%emt 0:02:48]} 21. cxb5 {[%emt 0:00:09]} Qa4 {[%emt 0:04:44] [#]} 22. Nd2 $16 {[%emt 0:09:27]} Rb8 {[%emt 0:12:07]} 23. Qb3 {[%emt 0:00:16]} Qxb3 {[%emt 0:06:50]} 24. Rxb3 {[%emt 0:00:18]} g5 {[%emt 0:01:19]} 25. Bg3 {[%emt 0:00:08]} Nh5 {[%emt 0:01:44]} 26. a4 {[%emt 0:01:46]} Bf6 {[%emt 0:00:42]} 27. Be2 {[%emt 0:00:38]} Nf4 {[%emt 0:02:03]} 28. Bxf4 {[%emt 0:00:13]} exf4 {[%emt 0:00:59]} 29. Nc4 {[%emt 0:00:05]} Be7 {[%emt 0:03:10]} 30. Bg4 {[%emt 0:01:42]} Be8 {[%emt 0:02:19]} 31. e5 {[%emt 0:06:08]} Rd8 {[%emt 0:02:09]} 32. Na5 {[%emt 0:02:49]} dxe5 {[%emt 0:01:17]} 33. Nc6 {[%emt 0:00:06]} Bxc6 {[%emt 0:00:04]} 34. bxc6 {[%emt 0:00:03]} Bd6 {[%emt 0:02:39]} 35. Rb7 {[%emt 0:00:07]} Kg6 {[%emt 0:00:30]} 36. Bd7 {[%emt 0:00:34]} c4 {[%emt 0:01:54]} 37. c7 {[%emt 0:00:56]} Bxc7 {[%emt 0:00:07]} 38. Rxc7 {[%emt 0:00:06]} c3 {[%emt 0:00:05]} 39. Rc6+ {[%emt 0:01:24]} Kg7 {[%emt 0:00:45]} 40. Bf5 {[%emt 0:00:07]} Rxd5 {[%emt 0:00:55]} 41. Rxc3 {[%emt 0:00:15]} a5 {[%emt 0:00:31]} 42. f3 {[%emt 0:02:42]} Rd4 {[%emt 0:00:47]} 43. Bc2 {[%emt 0:00:11]} Rd5 {[%emt 0:02:02]} 44. Bb3 {[%emt 0:00:31]} Rd4 {[%emt 0:01:00]} 45. Rc5 {[%emt 0:00:30]} e4 {[%emt 0:00:45]} 46. fxe4 {[%emt 0:00:07]} Rxe4 {[%emt 0:00:02]} 47. Rxa5 {[%emt 0:00:06]} Re1+ {[%emt 0:00:19]} 48. Kf2 {[%emt 0:00:06]} Rb1 {[%emt 0:00:03]} 49. Rb5 {[%emt 0:00:09]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Guo, Arthur"]
[Black "Kung, Thomas"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2283"]
[BlackElo "2132"]
[Annotator "NA"]
[PlyCount "129"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:10:54]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:17]} 4. d3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:11]} 5. Bxc6 {[%emt 0:00:00]} dxc6 {[%emt 0:00:09]} 6. h3 {[%emt 0:00:02] C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Nd7 {[%emt 0:06:11]} 7. Be3 {[%emt 0:00:32]} O-O {[%emt 0:04:38]} 8. Nc3 {[%emt 0:00:29]} Bd6 {[%emt 0:03:44]} 9. O-O {[%emt 0:00:07]} Re8 {[%emt 0:01:32]} 10. a4 {[%emt 0:00:04]} a5 {[%emt 0:03:16]} 11. Nd2 {[%emt 0:00:06]} Nf8 $146 {[%emt 0:04:30]} ({Predecessor:} 11... b6 12. Nc4 Ba6 13. Nxd6 cxd6 {1-0 (50) Caruana,F (2802)-Hou,Y (2652) chess.com INT 2017}) 12. Nc4 {[%emt 0:10:59]} Ng6 {[%emt 0:03:59]} 13. Qh5 {[%emt 0:04:25]} Be6 {[%emt 0:04:51]} 14. b3 {[%emt 0:02:34]} Qe7 {[%emt 0:07:45]} 15. Ne2 {[%emt 0:02:06]} f6 {[%emt 0:03:31]} 16. Ng3 {[%emt 0:04:24]} Qd7 {[%emt 0:04:32]} 17. Nd2 {[%emt 0:04:29]} Bb4 {[%emt 0:01:56]} 18. Nf3 {[%emt 0:02:51]} Nf4 {[%emt 0:04:16]} 19. Bxf4 {[%emt 0:03:51]} exf4 {[%emt 0:00:08]} 20. Ne2 {[%emt 0:00:13]} Bf7 {[%emt 0:04:07]} 21. Qg4 {[%emt 0:02:08]} Qxg4 {[%emt 0:03:05]} 22. hxg4 {[%emt 0:00:01]} g5 {[%emt 0:02:04]} 23. g3 {[%emt 0:04:25]} h5 {[%emt 0:01:54]} 24. Nh2 {[%emt 0:08:10] [#]} f3 $1 {[%emt 0:05:40]} 25. Nxf3 {[%emt 0:01:40]} hxg4 {[%emt 0:00:29]} 26. Nfd4 {[%emt 0:01:39]} Rad8 {[%emt 0:01:16]} 27. Nf5 {[%emt 0:01:44]} Bg6 {[%emt 0:02:17]} 28. Ne3 {[%emt 0:01:38]} f5 {[%emt 0:05:32]} 29. c3 {[%emt 0:05:15]} Bc5 {[%emt 0:02:47]} 30. d4 {[%emt 0:01:45]} Rxe4 {[%emt 0:00:35]} 31. dxc5 {[%emt 0:02:35]} f4 {[%emt 0:00:22]} 32. Nxf4 {[%emt 0:01:54]} gxf4 {[%emt 0:00:14]} 33. Nxg4 {[%emt 0:00:31]} Kg7 {[%emt 0:05:11]} 34. f3 {[%emt 0:04:58]} Re2 {[%emt 0:00:25]} 35. gxf4 {[%emt 0:00:52]} Rdd2 {[%emt 0:02:49]} 36. Rad1 {[%emt 0:00:29]} Bc2 {[%emt 0:00:41]} 37. Rxd2 {[%emt 0:01:52]} Rxd2 {[%emt 0:00:02]} 38. Re1 {[%emt 0:00:12]} Rd1 {[%emt 0:02:02]} 39. Rxd1 {[%emt 0:00:37]} Bxd1 {[%emt 0:00:02]} 40. b4 {[%emt 0:00:01]} Bxf3 {[%emt 0:01:23]} 41. Ne3 {[%emt 0:00:07]} b6 {[%emt 0:00:29]} 42. bxa5 {[%emt 0:01:25]} bxa5 {[%emt 0:00:02]} 43. Kf2 {[%emt 0:01:16]} Be4 {[%emt 0:00:04]} 44. Ke2 {[%emt 0:04:21]} Bb1 {[%emt 0:01:14]} 45. Nc4 {[%emt 0:04:30]} Bc2 {[%emt 0:00:26]} 46. Nxa5 {[%emt 0:00:05]} Bxa4 {[%emt 0:00:04]} 47. Kf3 {[%emt 0:01:20]} Kf6 {[%emt 0:00:36]} 48. Nc4 {[%emt 0:00:29]} Bd1+ {[%emt 0:00:43]} 49. Ke4 {[%emt 0:01:07]} Bh5 {[%emt 0:00:54]} 50. Ne5 {[%emt 0:00:41]} Be8 {[%emt 0:00:16]} 51. Ng4+ {[%emt 0:00:36]} Kg6 {[%emt 0:00:33]} 52. Ke5 {[%emt 0:00:12]} Bd7 {[%emt 0:00:27]} 53. Nf6 {[%emt 0:00:05]} Bh3 {[%emt 0:00:23]} 54. Ne8 {[%emt 0:00:05]} Kf7 {[%emt 0:00:11]} 55. Nxc7 {[%emt 0:00:06]} Bg2 {[%emt 0:00:16]} 56. f5 {[%emt 0:00:12]} Bf3 {[%emt 0:00:10]} 57. Ne6 {[%emt 0:00:05]} Bd5 {[%emt 0:00:23]} 58. Ng5+ {[%emt 0:00:06]} Ke7 {[%emt 0:00:13]} 59. f6+ {[%emt 0:00:04]} Kd7 {[%emt 0:00:35]} 60. Kf5 {[%emt 0:00:06]} Bb3 {[%emt 0:00:53]} 61. Kg6 {[%emt 0:00:23]} Ke8 {[%emt 0:01:04]} 62. Kg7 {[%emt 0:00:10]} Bc4 {[%emt 0:00:16]} 63. f7+ {[%emt 0:00:05]} Bxf7 {[%emt 0:00:07]} 64. Nxf7 {[%emt 0:00:03]} Ke7 {[%emt 0:00:13]} 65. Ng5 {[%emt 0:25:13]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Lin, Andy"]
[Black "Kumar, Naman"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2274"]
[BlackElo "1914"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:01:07]} Nf6 {[%emt 0:01:40]} 2. g3 {[%emt 0:00:06]} g6 {[%emt 0:00:38]} 3. b3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:54]} 4. Bb2 {[%emt 0:00:04]} O-O {[%emt 0:00:53]} 5. Bg2 {[%emt 0:00:03]} d6 {[%emt 0:01:50]} 6. d4 {[%emt 0:00:05]} Nbd7 {[%emt 0:01:04]} 7. O-O {[%emt 0:00:07]} e5 {[%emt 0:00:22]} 8. dxe5 {[%emt 0:00:05]} Ng4 {[%emt 0:00:20]} 9. Qd2 {[%emt 0:00:24]} Rb8 {[%emt 0:07:33] A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (9... Ndxe5 10. c4 Re8 11. Nc3 a5 12. Rad1 Bh6 13. Qc2 Bf5 14. e4 Nxf3+ 15. Bxf3 Bd7 16. Bg2 Bg7 17. h3 {1-0 (41) Meier,G (2632)-Amin,B (2635) Dubai 2014}) 10. c4 {[%emt 0:01:40]} Ngxe5 {[%emt 0:00:19]} 11. Nd4 $146 {[%emt 0:01:54]} ({Predecessor:} 11. Nc3 a6 12. Nxe5 dxe5 13. Rfd1 c6 14. Ne4 Qe7 15. a4 Nf6 16. Qg5 h6 17. Qxe5 Qxe5 18. Bxe5 Nxe4 19. Bxb8 Bxa1 20. Bxe4 {1-0 (37) Kosic,D (2455)-Jovanovic,S (2290) Arandjelovac 1993}) 11... Nc5 {[%emt 1:19:57]} 12. Nc3 {[%emt 0:01:08]} Ne6 {[%emt 0:00:00]} 13. Nc2 {[%emt 0:00:24]} a6 {[%emt 0:00:00]} 14. Ne3 {[%emt 0:01:54]} f5 {[%emt 0:00:00]} 15. f4 {[%emt 0:04:51]} Nc6 {[%emt 0:02:00]} 16. Na4 {[%emt 1:24:04]} Re8 {[%emt 0:00:00]} (16... Ncd4 $11) 17. Bxg7 {[%emt 0:00:00]} Nxg7 {[%emt 0:01:00]} 18. Qc3 {[%emt 0:01:00]} Bd7 {[%emt 0:00:00]} 19. Nd5 {[%emt 0:00:00]} Rxe2 {[%emt 0:01:00]} 20. Rfe1 {[%emt 0:01:00]} Rxe1+ {[%emt 0:00:00]} 21. Rxe1 {[%emt 0:00:00]} Be6 {[%emt 0:01:00]} 22. Nb2 {[%emt 0:00:00]} ({White should try} 22. Nf6+ $16 Kh8 23. Nh5 gxh5 24. Rxe6) 22... Ne7 {[%emt 0:00:00]} (22... h6 $11 {remains equal.}) 23. Rxe6 {[%emt 0:00:00]} Nxe6 {[%emt 0:00:00]} 24. Qf6 $1 {[%emt 0:00:00]} Nxd5 {[%emt 0:00:00]} 25. Qxe6+ {[%emt 0:00:00]} Kg7 {[%emt 0:02:00]} 26. Qxd5 {[%emt 0:03:00]} ({Much worse is} 26. Bxd5 Qe8 $14) 26... Qf6 {[%emt 0:00:00]} 27. Qd2 {[%emt 0:00:30]} c6 {[%emt 0:00:00]} 28. Nd1 {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} 29. Kf2 {[%emt 0:00:00]} Qe6 $16 {[%emt 0:02:00]} 30. Qd4+ {[%emt 0:01:30]} Kf7 {[%emt 0:00:00]} 31. Ne3 {[%emt 0:00:30]} a5 {[%emt 0:00:00]} 32. Bf3 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 33. h3 {[%emt 0:00:00]} Re7 {[%emt 0:00:00]} 34. Be2 {[%emt 0:00:00]} Qf6 {[%emt 0:00:00]} 35. Qd2 {[%emt 0:00:00]} Re4 {[%emt 0:00:00]} 36. Bf3 {[%emt 0:00:00]} Rd4 {[%emt 0:00:00]} 37. Qe2 {[%emt 0:00:00]} b5 {[%emt 0:00:06]} 38. cxb5 {[%emt 0:00:00]} cxb5 {[%emt 0:00:21]} 39. Nd5 {[%emt 0:00:00]} Qd8 {[%emt 0:00:43]} 40. Qe3 {[%emt 0:00:00]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Kumar, Nikhil"]
[Black "Yim, Sung Ho"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2268"]
[BlackElo "2271"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:35]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:16]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:34]} d5 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:35]} Be7 {[%emt 0:01:31]} 5. Bg2 {[%emt 0:00:10]} O-O {[%emt 0:00:06]} 6. O-O {[%emt 0:00:10]} dxc4 {[%emt 0:00:06]} 7. Qc2 {[%emt 0:00:11]} c6 {[%emt 0:00:51]} 8. Qxc4 {[%emt 0:00:44]} b5 {[%emt 0:00:05] E06: Katalanisch} 9. Qd3 {[%emt 0:01:08]} (9. Qc2 Bb7 10. Nc3 Nbd7 11. Rd1 Qb6 12. Ne5 Rfd8 13. Be3 Nd5 14. Nxd5 cxd5 15. Rac1 Rac8 16. Qd3 b4 17. Rxc8 Bxc8 {½-½ (41) So,W (2799)-Mamedyarov,S (2809) Berlin 2018}) 9... Bb7 {[%emt 0:01:47]} 10. a4 {[%emt 0:01:50]} a6 {[%emt 0:03:19]} 11. Nc3 {[%emt 0:05:36]} Nbd7 {[%emt 0:00:38]} 12. Bf4 {[%emt 0:01:34]} b4 {[%emt 0:04:25]} 13. Ne4 {[%emt 0:00:25]} Nxe4 {[%emt 0:13:27]} 14. Qxe4 {[%emt 0:01:00]} Nf6 {[%emt 0:00:32]} 15. Qc2 {[%emt 0:01:34]} Rc8 {[%emt 0:04:34]} 16. Rfd1 {[%emt 0:06:11]} c5 {[%emt 0:06:45]} 17. dxc5 {[%emt 0:04:37]} Qa5 $146 {[%emt 0:03:30]} ({Vorgänger:} 17... Bd5 18. c6 Rxc6 19. Qxc6 Bxc6 20. Rxd8 Rxd8 {1-0 (56) Laxman,R (2503)-Ankit,R (2298) Chennai 2010}) 18. Nd4 {[%emt 0:03:36]} Bxg2 {[%emt 0:05:43]} ({Better is} 18... Rxc5 $14 19. Qd2 Qb6) 19. Nb3 {[%emt 0:01:03]} Qb6 {[%emt 0:18:45]} 20. cxb6 {[%emt 0:03:09]} Rxc2 {[%emt 0:00:06]} 21. Kxg2 {[%emt 0:00:26]} Rxe2 {[%emt 0:14:08]} 22. Nd4 {[%emt 0:01:38]} Rxb2 {[%emt 0:02:16]} 23. b7 {[%emt 0:01:53]} Ng4 {[%emt 0:04:18]} 24. h3 {[%emt 0:06:54]} Nxf2 {[%emt 0:03:34]} 25. Rdb1 {[%emt 0:00:19]} Nd3+ $18 {[%emt 0:01:37]} 26. Rxb2 {[%emt 0:00:23]} Nxb2 {[%emt 0:00:02]} 27. Nc6 {[%emt 0:03:40]} Bf6 {[%emt 0:00:31]} 28. b8=Q {[%emt 0:01:13]} Rxb8 {[%emt 0:00:02]} 29. Bxb8 {[%emt 0:00:20]} b3 {[%emt 0:01:00]} 30. Be5 {[%emt 0:03:36]} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Easton, Jack"]
[Black "Hung, Daniel"]
[Result "1/2-1/2"]
[ECO "D21"]
[WhiteElo "2262"]
[BlackElo "2104"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:35]} 2. c4 {[%emt 0:00:00]} dxc4 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:04:46]} 4. e3 {[%emt 0:00:00]} cxd4 {[%emt 0:00:06]} 5. Bxc4 {[%emt 0:00:00]} Qc7 {[%emt 0:00:09]} 6. Qb3 {[%emt 0:00:00]} e6 {[%emt 0:00:08]} 7. exd4 {[%emt 0:00:00]} Nf6 {[%emt 0:01:05] D21: Queen's Gambit Accepted: 3 Nf3 sidelines} 8. Nc3 {[%emt 0:00:03]} (8. O-O Be7 9. Nc3 a6 10. Be3 O-O 11. Rac1 Nc6 12. Be2 Rd8 13. Rfd1 Ng4 14. Na4 Nxe3 15. fxe3 {0-1 (40) Spraggett,K (2595)-Gajewski,G (2628) Barcelona 2012}) 8... a6 {[%emt 0:00:10]} 9. Bd3 {[%emt 0:00:58]} Nc6 {[%emt 0:05:31]} 10. O-O {[%emt 0:00:06]} Be7 {[%emt 0:00:43]} 11. Bd2 {[%emt 0:01:18]} O-O {[%emt 0:01:56]} 12. Rac1 {[%emt 0:00:18]} Qd7 $146 {[%emt 0:30:53]} ({Predecessor:} 12... Rd8 13. Ne4 Qb8 14. Rfe1 Bd7 15. Nc5 Be8 16. Be3 {1-0 (85) Rocha,W (2325)-Lima,D (2475) Rio de Janeiro 1998}) 13. Ne2 {[%emt 0:29:10]} Rd8 {[%emt 0:13:04]} 14. Rfd1 {[%emt 0:13:28]} b5 {[%emt 0:12:52]} 15. Bb1 {[%emt 0:06:33]} Bb7 {[%emt 0:04:56]} 16. Be1 {[%emt 0:14:17]} Rac8 {[%emt 0:05:04]} 17. Qe3 {[%emt 0:01:50]} h6 {[%emt 0:03:22]} 18. a3 {[%emt 0:05:19]} Bf8 {[%emt 0:03:10]} 19. h3 {[%emt 0:02:25]} Ne7 {[%emt 0:01:34]} 20. Rxc8 {[%emt 0:01:22]} Rxc8 {[%emt 0:00:23]} 21. Ne5 {[%emt 0:00:44]} Qe8 {[%emt 0:00:12]} 22. Nf4 {[%emt 0:02:33]} Ned5 {[%emt 0:00:37]} 23. Nxd5 {[%emt 0:00:14]} Bxd5 {[%emt 0:00:07]} 24. Rc1 {[%emt 0:03:30]} Rxc1 {[%emt 0:02:55]} 25. Qxc1 {[%emt 0:00:01]} Be4 {[%emt 0:00:27]} 26. Bxe4 {[%emt 0:02:11]} Nxe4 {[%emt 0:00:05]} 27. Qc7 {[%emt 0:09:02]} Bd6 {[%emt 0:03:11]} 28. Qb7 {[%emt 0:00:42]} Bxe5 {[%emt 0:00:41]} 29. dxe5 {[%emt 0:00:01]} Nc5 {[%emt 0:00:48]} 30. Qb6 {[%emt 0:00:09]} Qc8 {[%emt 0:00:29]} 31. Bd2 {[%emt 0:06:59]} Na4 {[%emt 0:03:03]} 32. Qd4 {[%emt 0:00:08]} Qc5 {[%emt 0:00:47]} 33. Qd8+ {[%emt 0:01:14]} Kh7 {[%emt 0:00:13]} 34. Qd3+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:15]} 35. Qd8+ {[%emt 0:02:20]} Kh7 {[%emt 0:02:15]} 36. b3 {[%emt 0:00:30]} Nb2 {[%emt 0:00:48]} 37. Qd6 {[%emt 0:00:04]} Qc2 {[%emt 0:00:20]} 38. Qb4 {[%emt 0:00:59]} Nd3 {[%emt 0:00:46]} 39. Qe4+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:09]} 40. Qa8+ {[%emt 0:00:45]} Kh7 {[%emt 0:00:07]} 41. Qe4+ {[%emt 0:00:36]} Kg8 {[%emt 0:00:13]} 42. Qa8+ $11 {[%emt 0:00:27]} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Daggupati, Balaji"]
[Black "Green, Austen"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2226"]
[Annotator "NA"]
[PlyCount "71"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:12]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:00]} 6. a3 {[%emt 0:00:06]} d5 {[%emt 0:00:00]} 7. Bb5 {[%emt 0:00:05]} Bd7 {[%emt 0:00:00]} 8. exd5 {[%emt 0:00:05]} Nxd5 {[%emt 0:00:03] B45: Sizilianisch (Klassisches System)} 9. Nxd5 {[%emt 0:02:46]} exd5 {[%emt 0:00:05]} 10. O-O {[%emt 0:01:54]} Be7 {[%emt 0:00:48]} 11. Ba4 $146 {[%emt 0:11:34]} ({Vorgänger:} 11. Be3 Bf6 12. c4 dxc4 13. Nxc6 bxc6 14. Bxc4 O-O 15. Qc2 Qc8 16. Rad1 Bf5 17. Qc1 Be4 18. f3 {½-½ (18) Golubev,M (2528)-Krasenkow,M (2651) Germany 2002}) 11... O-O {[%emt 0:01:33]} 12. Bb3 {[%emt 0:00:06]} Bf6 {[%emt 0:03:22]} 13. Be3 {[%emt 0:01:41]} Be6 {[%emt 0:00:07]} 14. Nxe6 {[%emt 0:05:49]} fxe6 {[%emt 0:00:02]} 15. c3 {[%emt 0:02:26]} Qd6 {[%emt 0:03:03]} 16. Qd2 {[%emt 0:02:56]} Rad8 {[%emt 0:01:08]} 17. Rad1 {[%emt 0:00:55]} Ne5 {[%emt 0:05:53]} (17... Na5 $11 18. Ba2 b6) 18. Qe2 {[%emt 0:06:41]} Qc6 {[%emt 0:05:36]} 19. Rfe1 {[%emt 0:00:52]} Rfe8 {[%emt 0:05:47]} 20. Bxa7 {[%emt 0:06:28]} (20. h4 $16) 20... b6 {[%emt 0:00:26]} 21. Qa6 {[%emt 0:00:12]} Re7 {[%emt 0:01:35]} 22. Qxb6 {[%emt 0:03:34]} Rb7 {[%emt 0:02:02]} 23. Qxc6 {[%emt 0:03:00]} Nxc6 {[%emt 0:00:01]} 24. Rxe6 {[%emt 0:00:29]} Nxa7 {[%emt 0:01:44]} 25. Bxd5 {[%emt 0:00:40]} Rxd5 {[%emt 0:00:05]} 26. Rxd5 {[%emt 0:00:08]} Rxb2 {[%emt 0:00:26]} 27. g3 {[%emt 0:04:03]} Kf7 {[%emt 0:00:15]} 28. Ra6 {[%emt 0:01:27]} Nb5 {[%emt 0:00:14]} 29. Rd7+ {[%emt 0:02:39]} Kg6 {[%emt 0:00:21]} 30. c4 {[%emt 0:00:21]} Nc3 {[%emt 0:00:08]} 31. c5 {[%emt 0:02:11]} Kf5 {[%emt 0:03:44]} 32. c6 {[%emt 0:01:24]} Ke6 {[%emt 0:00:06]} 33. Rd3 {[%emt 0:01:10]} Rc2 {[%emt 0:06:01]} 34. c7+ {[%emt 0:02:26]} Kf7 {[%emt 0:00:41]} 35. Rd7+ {[%emt 0:01:13]} Kg6 {[%emt 0:00:10]} 36. Ra8 $18 {[%emt 0:00:14]} ({Less strong is} 36. Rxf6+ Kxf6 37. Rd6+ Kf7 $16) 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Wang, Jason"]
[Black "Berczes, David"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2184"]
[BlackElo "2501"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,128,14,8,-6,-1,-4,4,3,22,0,46,46,39,22,58,26,56,22,22,17,31,35,69,17,42,52,53,47,49,47,161,73,72,0,0,0,55,0,0,-4,-4,-5,0,0,0,0,0,0,14,-15,-18,-14,0,0,0,0,-1,0,0,0,0,0,0,0,10,0,0,0,0,0,8,8,8,8,8,8,8,0,8,0,6,0,0,0,0,0,0,-8,0,0,0,-8,0,-8,-8,-8,0,0,0,0,0,0,0,-1564,-1547,-1344,-1261,-950,-2492,-2305,-2250,-6406,-5016,-5604,-3030,-29980,-29981,-29980,-29980,-29986,-29987]} 1. d4 e6 2. c4 Bb4+ 3. Nd2 Nf6 4. Ngf3 O-O 5. Qc2 c5 6. a3 {E11: Damenindisch (Bogoljubow-Variante)} (6. dxc5 Bxc5 7. a3 b6 8. b4 Be7 9. Bb2 d6 10. g4 Bb7 11. g5 Nh5 12. e3 a5 13. Rd1 axb4 14. axb4 {1-0 (65) Mamedyarov,S (2729)-Dominguez Perez,L (2725) London 2012 CBM 151 [Krasenkow,M]}) 6... Bxd2+ $1 7. Bxd2 cxd4 8. Nxd4 {Die Stellung ist ausgeglichen.} d5 9. e3 a6 $146 ({Vorgänger:} 9... e5 10. Nf3 Nc6 11. cxd5 Nxd5 12. Be2 Be6 13. O-O Rc8 {1-0 (35) Koch,T-Kronsfoth,S Muenster 1989}) 10. cxd5 Qxd5 11. Rd1 {zielt auf Lb4 ab.} Re8 12. Nf3 Nbd7 13. Bc3 Qc6 14. Be2 $36 {[%mdl 2048] Weiss steht aktiver.} e5 15. O-O Nf8 16. Nd2 ({Günstiger ist} 16. Rc1 $14) 16... Ng6 17. Bd3 Bg4 18. Rc1 Rad8 19. Ne4 Nh4 (19... Nd5 $14) 20. f3 (20. Nxf6+ $18 Qxf6 21. Bxh7+ Kh8 22. Be4) 20... Bf5 $16 {Droht ...Txd3!} 21. Nxf6+ (21. Ba5 $16 Qxc2 22. Nxf6+ (22. Bxc2 Rc8 $16) 22... gxf6 23. Bxc2) 21... Qxf6 $11 22. Be4 Qg6 ({Lieber} 22... Qg5 $11) 23. Bxf5 (23. Qf2 $14 Bxe4 24. fxe4 Qxe4 25. Be1) 23... Nxf5 24. Rfe1 e4 25. fxe4 Nh4 {[#] ...Sf3+ ist eine echte Drohung.} 26. Rf1 {Droht stark Tf4.} Rxe4 27. Rf4 Rxf4 28. exf4 Qg4 29. Qf2 Rd3 {[#] Weiss muss nun ...Sf3+ beachten.} 30. Kh1 h6 31. Re1 Nf5 32. Qe2 Qxe2 33. Rxe2 {[%mdl 4096] Endspiel KTL-KTS} Ne3 (33... Rd1+ {seems wilder.} 34. Re1 Rxe1+ 35. Bxe1 Kf8 36. Kg1 Ne3) 34. Rd2 Rxd2 35. Bxd2 {KL-KS} Nd1 36. b3 {Mit der Idee Kg1.} Nf2+ $1 37. Kg1 Ne4 38. Bb4 f5 39. Kf1 g5 40. fxg5 hxg5 41. Ke2 Kf7 42. Ke3 Nf6 43. Kd4 Ke6 44. Be1 f4 45. b4 Nd5 46. Bd2 b5 47. Ke4 Nf6+ 48. Kd4 Nd5 49. Ke4 Nf6+ 50. Kd4 Kf5 51. Be1 g4 {[%cal Bg5g4,Bg4g3][%mdl 32]} 52. Kc5 Ke4 53. Kb6 $1 {[%cal Rb6a6]} Kd3 {Und ...Ke2 würde nun gewinnen.} 54. Kxa6 Kc4 55. Bd2 Nd5 56. h4 $2 {[%mdl 8192]} (56. Ka5 $11) 56... g3 $19 57. Be1 Ne3 58. h5 Nxg2 59. h6 Nh4 60. h7 Ng6 61. Ka5 Kd3 62. a4 bxa4 {Schwarz setzt Matt.} 63. Kxa4 Ke2 64. b5 g2 {Precision: Weiß = 53%, Schwarz = 48%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Vivekananthan, Anish"]
[Black "Shtembuliak, Evgeny"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2132"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,-25,22,23,12,13,29,17,16,4,10,14,7,-61,-50,-72,-65,-72,-48,-97,-87,-141,-83,-199,-196,-218,-216,-253,-165,-145,-154,-135,-100,-90,-91,-108,-79,-92,-56,-163,-152,-287,-295,-725,-289,-718,-656,-852,-855,-856,-843,-830,-815,-705,1047]} 1. b3 Nf6 {[%cal Bg8f6,Bf6d5,Bd5f4][%mdl 32]} 2. Bb2 g6 3. e4 c5 4. e5 Nd5 5. c4 (5. Qf3 Nb4 6. Na3 Bg7 7. e6 f6 8. c3 N4c6 9. Qe3 dxe6 10. Qxc5 {½-½ (41) Morozevich,A (2665)-Andreikin,D (2712) Moscow 2018}) 5... Nf4 6. d4 {A01: Nimzowitsch-Larsen Opening} cxd4 7. Qxd4 Ne6 8. Qd2 {White has an edge.} Bg7 9. Nf3 Nc6 10. Bd3 $146 ({Predecessor:} 10. g3 Qc7 11. Qe2 Qa5+ 12. Bc3 {0-1 (36) Ligart,T (2247)-Manik,M (2448) Slovakia 2008}) 10... Qc7 11. Qe3 (11. O-O $11) 11... d6 $15 {[%cal Rd6e5]} 12. Nc3 dxe5 ({Much weaker is} 12... Nxe5 $6 13. Nxe5 dxe5 14. Nd5 $11) 13. Nd5 Qd6 14. O-O-O Ned4 15. Nd2 (15. Kb1 $142) 15... Bf5 ({Black should play} 15... Qd8 16. Kb1 f5) 16. Rhe1 {[#]} (16. Bxf5 $17 gxf5 17. f4) 16... O-O-O $1 $19 17. Kb1 e6 18. Nc3 Bxd3+ 19. Qxd3 Nb4 $36 {[%mdl 2048] Keeping White busy.} 20. Qg3 Qa6 21. Nde4 f5 22. Nc5 Qa5 23. N3a4 Nbc6 {[%cal Bb4c6,Bc6d4,Bd4e2][%mdl 32]} 24. Bxd4 ({White should try} 24. f3 $15) 24... Nxd4 25. Rxe5 {[#]} (25. Qh4 $17) 25... Ne2 $1 {[%mdl 512]} 26. Rxe2 $2 (26. Rxd8+ Qxd8 27. Qd3 Bxe5 28. Qxe2) 26... Rxd1+ 27. Kc2 Rhd8 {( -> ...R8d2+). Black is clearly winning.} 28. Qe3 f4 29. Qxf4 {[#]} Ra1 $1 {[%cal Ra1a2]} 30. Qf7 Rxa2+ 31. Kc1 Rc2+ $4 {[%mdl 40960] Precision: White = 44%, Black = 65%. . Loss on Time!?} (31... Qb4 $19 32. Nb6+ Qxb6 33. Rxa2 Bh6+ 34. Kb1 Rd1+ 35. Kc2 Qxc5 36. Kxd1 Qd4+ 37. Ke2 Qe4+ 38. Kf1 Qb1+ 39. Ke2 Qxa2+ 40. Kf3 Qxb3+ 41. Kg4 Qxc4+ 42. f4 Qd4 43. Qe8+ Qd8) 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Noland, Shawn W"]
[Black "Oberoi, Shelev"]
[Result "0-1"]
[ECO "C34"]
[WhiteElo "2071"]
[BlackElo "1896"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:06:42]} e5 {[%emt 0:00:00]} 2. f4 {[%emt 0:00:40]} exf4 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:06]} c6 {[%emt 0:00:00]} 4. d4 {[%emt 0:05:01]} d5 {[%emt 0:00:41]} 5. exd5 {[%emt 0:05:43]} cxd5 {[%emt 0:01:14]} 6. Bxf4 {[%emt 0:00:08]} Bd6 {[%emt 0:04:46]} 7. Qd2 {[%emt 0:05:15]} Ne7 {[%emt 0:11:57]} 8. Bd3 {[%emt 0:08:10]} O-O {[%emt 0:04:40]} 9. O-O {[%emt 0:00:55]} Ng6 {[%emt 0:03:46]} 10. Bg5 {[%emt 0:04:54]} f6 {[%emt 0:08:14]} 11. Be3 {[%emt 0:05:48]} Be6 {[%emt 0:12:44]} 12. Qf2 {[%emt 0:02:13]} Nf4 $16 {[%emt 0:12:07]} (12... Nc6 $11) 13. Bxf4 {[%emt 0:15:36]} Bxf4 {[%emt 0:01:02]} 14. Nh4 {[%emt 0:05:37]} Bc7 {[%emt 0:06:09]} 15. Nf5 {[%emt 0:04:11]} g6 {[%emt 0:06:57]} 16. Nh4 {[%emt 0:03:21]} Nc6 {[%emt 0:01:07]} 17. c3 {[%emt 0:00:46]} Qd6 {[%emt 0:02:11]} 18. g3 {[%emt 0:01:22]} f5 {[%emt 0:05:03]} 19. Na3 {[%emt 0:06:23]} a6 {[%emt 0:03:38]} 20. Qe3 {[%emt 0:05:06]} Rae8 {[%emt 0:05:17]} 21. Qh6 {[%emt 0:02:38]} Qd7 {[%emt 0:00:44]} 22. Rae1 {[%emt 0:01:48]} Qg7 {[%emt 0:02:03]} 23. Qxg7+ {[%emt 0:02:02]} Kxg7 {[%emt 0:00:02]} 24. Ng2 {[%emt 0:00:03]} Bf7 {[%emt 0:02:07]} 25. Nc2 {[%emt 0:00:55]} h6 {[%emt 0:01:00]} 26. Rf3 {[%emt 0:02:36]} Rxe1+ {[%emt 0:00:37]} 27. Ncxe1 {[%emt 0:00:11]} Re8 {[%emt 0:00:24]} 28. Kf2 {[%emt 0:00:10]} Nb8 {[%emt 0:01:09]} 29. Nh4 {[%emt 0:00:38]} Re6 {[%emt 0:01:11]} 30. Re3 {[%emt 0:01:07]} Rb6 {[%emt 0:00:50]} 31. b3 {[%emt 0:00:36]} Rc6 {[%emt 0:00:34]} 32. Bf1 {[%emt 0:00:57]} Nd7 {[%emt 0:01:00]} 33. Bg2 {[%emt 0:01:03]} Nf6 {[%emt 0:00:18]} 34. c4 {[%emt 0:01:46]} Ng4+ {[%emt 0:00:17]} 35. Ke2 {[%emt 0:00:07]} Nxe3 {[%emt 0:00:12]} 36. Kxe3 {[%emt 0:00:02]} Re6+ {[%emt 0:00:55]} 37. Kd2 {[%emt 0:00:01]} Ba5+ {[%emt 0:00:07]} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Sanchez, Robert"]
[Black "Free, Graham"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1834"]
[BlackElo "1926"]
[Annotator "NA"]
[PlyCount "21"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:09:26]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:24]} d5 {[%emt 0:00:00]} 3. exd5 {[%emt 0:00:10]} cxd5 {[%emt 0:00:00]} 4. Bd3 {[%emt 0:00:19]} Nc6 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:07]} Qc7 {[%emt 0:00:34]} 6. Nf3 {[%emt 0:02:04]} Bg4 {[%emt 0:00:30]} 7. h3 {[%emt 0:00:02]} Bh5 {[%emt 0:00:32]} 8. O-O {[%emt 0:00:27]} e6 {[%emt 0:00:23]} 9. Re1 {[%emt 0:01:18]} Bd6 {[%emt 0:03:06]} 10. Nbd2 {[%emt 0:00:42]} Nge7 {[%emt 0:01:25]} 11. Nf1 {[%emt 0:00:37]} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "8"]
[White "Huang, Max"]
[Black "Findlay, Ian T"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1805"]
[BlackElo "2263"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[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]} c5 {[%emt 0:00:00]} 3. d5 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 5. cxd5 {[%emt 0:00:00]} d6 {[%emt 0:00:04]} 6. e4 {[%emt 0:00:02]} g6 {[%emt 0:00:07]} 7. Bd3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:09]} 8. h3 {[%emt 0:00:03] A65: Modern Benoni: 6 e4} a6 {[%emt 0:00:35]} 9. a4 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:21]} 10. Nf3 {[%emt 0:00:26]} Nh5 {[%emt 0:00:09]} 11. O-O {[%emt 0:02:13]} Ne5 {[%emt 0:00:07]} 12. Be2 {[%emt 0:01:14]} Nxf3+ {[%emt 0:01:39]} 13. Bxf3 {[%emt 0:00:07]} Qh4 {[%emt 0:00:09]} 14. Bxh5 {[%emt 0:13:11]} gxh5 {[%emt 0:00:03] [#]} 15. Ne2 $146 {[%emt 0:02:08]} Rg8 {[%emt 0:20:01] [#]} 16. Ra3 $1 {[%emt 0:06:21]} Be5 {[%emt 0:02:33]} 17. Ng3 {[%emt 0:00:16]} Bxh3 $1 {[%emt 0:10:31]} 18. gxh3 {[%emt 0:03:11]} Qxh3 {[%emt 0:01:47]} 19. Qf3 {[%emt 0:01:52]} h4 {[%emt 0:06:53]} 20. Qf5 {[%emt 0:15:58]} Qxf5 {[%emt 0:01:32]} 21. exf5 {[%emt 0:00:00]} hxg3 {[%emt 0:00:19]} 22. f4 {[%emt 0:03:14]} Bf6 {[%emt 0:03:41]} 23. Kg2 {[%emt 0:01:33]} h5 {[%emt 0:00:58]} 24. Rxg3 {[%emt 0:02:13]} Kd7 {[%emt 0:03:23]} 25. Rg5 {[%emt 0:02:52]} Rae8 {[%emt 0:01:02]} 26. Kh3 {[%emt 0:05:47]} Bxg5 {[%emt 0:03:11]} 27. fxg5 {[%emt 0:00:07]} Re5 {[%emt 0:03:12]} 28. Kh4 {[%emt 0:00:38]} Rxd5 {[%emt 0:00:41]} 29. Kxh5 {[%emt 0:00:27]} Rh8+ {[%emt 0:00:29]} 30. Kg4 {[%emt 0:00:04]} Rd4+ {[%emt 0:00:10]} 31. Rf4 {[%emt 0:03:18]} Rxf4+ {[%emt 0:04:58]} 32. Bxf4 {[%emt 0:00:08]} b5 {[%emt 0:01:04]} 33. axb5 $19 {[%emt 0:00:49]} axb5 {[%emt 0:00:04]} 34. g6 {[%emt 0:00:13]} fxg6 {[%emt 0:00:09]} 35. fxg6 {[%emt 0:00:12]} Ke6 {[%emt 0:00:15]} 36. Kg5 {[%emt 0:00:11]} Rh1 {[%emt 0:01:05]} 37. g7 {[%emt 0:00:39]} Rg1+ {[%emt 0:00:28]} 38. Kh6 {[%emt 0:00:32]} Kf7 {[%emt 0:00:08]} 39. Bxd6 {[%emt 0:00:37]} Rg6+ {[%emt 0:00:10]} 40. Kh7 {[%emt 0:01:33]} Rxg7+ {[%emt 0:00:12]} 41. Kh8 {[%emt 0:00:04]} Rg6 {[%emt 0:00:31]} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Xiong, Jeffery"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2650"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,57,0,-14,0,0,0,1,1,14,10,30,29,40,30,43,10,17,0,-14,-15,-18,-13,-10,-41,-31,-59,0,0,0,0,0,0,0,-21,-25,-18,-21,-39]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Be2 {D80: Grünfeldindisch (4.Lg5)} Nd7 9. Nf3 Bg7 10. O-O O-O 11. e4 Nb6 {LiveBook: 8 Partien} 12. h3 $146 ({Vorgänger:} 12. Nd2 Qe8 13. Rc1 Rd8 14. d5 Bh6 15. f4 Bxd5 16. exd5 Nxd5 17. Bg3 {1-0 (66) Gelfand,B (2750)-Dominguez Perez,L (2713) Nice 2010}) 12... f5 13. exf5 Bxf5 14. a4 a5 15. Re1 {[#] Droht stark Lxe7!} Bf6 16. Bg3 Be6 17. Nd2 Qd7 18. Bf3 Bd5 19. Bxd5+ Nxd5 20. Ne4 b6 21. Qe2 Qc6 22. Ra3 Rae8 23. h4 Bg7 ({Günstiger ist} 23... e6 $15) 24. Nd2 $11 {[#]} e5 $1 {[%mdl 512]} 25. dxe5 Qc5 26. Nxc4 Nf4 27. Qe4 Bxe5 28. Nxe5 Nh5 29. Raa1 {Precision: Weiß = 52%, Schwarz = 80%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Baryshpolets, Andrey"]
[Black "Drozdowski, Kacper"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2609"]
[BlackElo "2489"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,137,60,67,62,90,81,86,77,104,89,83,25,29,22,32,23,44,43,86,86,87,88,89,89,89,85,87,90,110,106,110,107,105,107,113,112,144,130,141,140,180,160,291,298,298,300,321,304,304,304,412,412,408,408,375,252,341,0,240,233,485,414,707,639,464,0,0,0,0,0,110,110,110,110,110,110,685,651,635,621,5073,599,5057,0,592,0,4347,4147,4050,1784,1623,910,1153,929,6793,5220,29971,29972,29981,29982,29985,29986,29986,29969,29958,29961,29979,29980,29980,29981,29981,29980]} 1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. g3 Nd7 5. Bg2 e5 6. Nc3 Ngf6 7. O-O O-O 8. e4 a5 9. h3 exd4 10. Nxd4 Nc5 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} 11. Re1 (11. Be3 Re8 12. Qc2 a4 13. Rad1 Bd7 14. Ndb5 Qc8 15. Kh2 h5 16. Bxc5 dxc5 17. f4 h4 18. gxh4 a3 19. b3 Nh5 {½-½ (112) Wang,H (2678)-Savchenko,B (2618) Subic Bay 2016}) 11... Nfd7 12. Be3 Re8 13. b3 Ne5 14. Re2 Bd7 {LiveBook: 4 Games} 15. Rb1 Qc8 16. Kh2 Nc6 17. Ndb5 Nb4 $146 ({Predecessor:} 17... Be6 18. Nd5 Na6 19. Qd2 Qd8 20. Bg5 f6 {½-½ (51) Kluger,G-Erdy,B Budapest 1955}) 18. a3 Bxb5 19. axb4 ({White should play} 19. Nxb5 $16 Nc6 20. Qc2) 19... Bxc3 $11 20. bxc5 Bc6 21. cxd6 cxd6 22. Qxd6 Bxe4 23. Bxe4 Rxe4 24. Qd3 $1 {[%csl LRc3,LRe4]} Qf5 25. Qxc3 Rxe3 26. Qxe3 Qxb1 $16 {[%mdl 4096] Endgame KQR-KQR} 27. Qf3 Rf8 28. Re7 ({Much worse is} 28. Qxb7 $6 a4 $11) 28... b6 29. Rb7 Qb2 30. Qe3 ({Reject} 30. Rxb6 $6 a4 $11) 30... Rd8 31. Kg2 Qd4 32. Rxb6 Qxe3 33. fxe3 {KR-KR} Rc8 34. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} a4 (34... Kf8 $16 35. Kf2 Ke7) 35. bxa4 $18 Rxc4 36. a5 Ra4 37. a6 Kg7 38. Kf3 h5 39. g5 h4 40. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Kf8 41. Rb8+ Kg7 42. Rb6 Kf8 43. Kf4 {[#] Threatens to win with Ke5.} Ra5 $2 (43... Ke7 44. Kf3 Ra3+ 45. Kg4 Ra4) 44. e5 Ra4+ (44... Ke7 $142 45. Ke4 Kd7) 45. Ke3 Ke7 {intending ...Ra3+.} 46. Rb7+ $2 ({Better is} 46. Kd3 $18 Ra3+ 47. Kc4) 46... Ke6 $11 47. a7 {Kd3 is the strong threat.} Kxe5 48. Rxf7 {And now Re7+ would win.} Ra3+ {[#]} (48... Ke6 $1 $11 49. Rh7 Kd6) 49. Kd2 $1 $16 Ke6 50. Rc7 Kf5 51. Kc2 Kxg5 $2 {[%mdl 8192]} (51... Ke5 $16 52. Kb2 Ra6) 52. Kb2 Ra6 53. Rf7 Kh5 54. Rh7+ Kg5 55. Rf7 (55. Kb3 $142 Kf5 56. Kb4) 55... Kh5 $1 $18 56. Rh7+ (56. Kb3 $142 g5 57. Rc7) 56... Kg5 57. Kb3 Kf5 58. Kb4 (58. Kc4 $142 Ra1 59. Kb5) 58... g5 59. Kb5 Ra1 60. Rf7+ Ke5 61. Kb6 g4 62. hxg4 {White mates.} h3 63. Rf5+ Kd4 64. Ra5 Rb1+ 65. Rb5 Ra1 66. Rh5 Rb1+ 67. Ka6 h2 68. a8=Q Ra1+ 69. Kb7 {Precision: White = 84%, Black = 45%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Sadorra, Julio Catalino"]
[Black "Checa, Nicolas"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2555"]
[BlackElo "2478"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,92,36,34,23,29,32,22,0,24,0,22,16,27,20,28,34,29,-14,29,27,37,18,31,12,23,21,0,-25,-26,-45,25,32,35,26,39,0,0,-34,-30,-33,-30,-33,-41,-53,-40,-42,-38,-57,-35,-42,-40,-52,-35,-154,-169,-158,-169,-154,-51,-53,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. c4 c6 5. Qb3 Qb6 6. d3 e6 {A11: English Opening: 1...c6} 7. Be3 (7. O-O Nbd7 8. Qxb6 axb6 9. cxd5 exd5 10. Nd4 Bg6 11. Nd2 Bc5 12. N2b3 O-O 13. Bd2 Rfe8 14. Rfe1 {0-1 (74) Maghsoodloo,P (2636)-Sargissian,G (2680) Abu Dhabi 2018}) 7... Qxb3 8. axb3 a6 9. Nh4 Bg6 {LiveBook: 3 Games} 10. Nxg6 hxg6 11. h3 Nbd7 12. d4 $146 ({Predecessor:} 12. O-O Be7 13. Nd2 O-O 14. Nf3 {1-0 (61) Sanal,V (2505)-Ozen,D (2397) Nakhchivan 2018}) 12... Be7 13. O-O O-O 14. Bg5 Rfd8 15. Nd2 Kf8 16. Rfd1 Ne8 17. Bf4 Bd6 18. Be3 Be7 19. f4 f5 20. g4 Nd6 21. g5 Ne4 22. Nxe4 dxe4 23. c5 b6 ({Better is} 23... a5 $1 $15) 24. b4 $1 $11 a5 25. bxa5 bxc5 26. Bf1 Rdb8 27. Rdc1 {[%cal Rd4c5]} Rxb2 28. dxc5 Rb5 29. a6 Nxc5 {Threatens to win with ...Nb3.} 30. Ra2 {Black should prevent a7.} Rxa6 31. Rxa6 Nxa6 32. Rxc6 Nb4 33. Rc8+ Kf7 34. Bd4 $1 Bd6 35. Rd8 {[#]} (35. e3 $15 Nd3 36. Rd8) 35... Bc5 $1 $17 ({Not} 35... Bxf4 36. e3 $14) 36. e3 {[#]} Ra5 $1 37. Rd7+ Kf8 (37... Ke8 $17 38. Bxc5 Rxc5) 38. Bc3 $1 $15 Ra3 ({Black should play} 38... Ra8 $1 $15 39. Bxg7+ Kg8) 39. Bxg7+ $11 {The position is equal.} Kg8 40. Bf6 $1 Bxe3+ 41. Kh1 $1 Nd3 {White must now prevent ...Ra7.} 42. Rd8+ Kf7 43. Rd7+ Kg8 {...Ra7 is the strong threat.} 44. Rd8+ Kf7 45. Rd7+ Kg8 {And now ...Ra7 would win.} 46. Rd8+ Kf7 {Precision: White = 48%, Black = 49%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Shtembuliak, Evgeny"]
[Black "Preotu, Razvan"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "2518"]
[BlackElo "2513"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,80,5,-14,-2,-25,0,-2,7,0,6,-4,1,0,25,15,15,12,21,0,0,0,46,36,61,0,0,0,0,0,28,0,0,0,0,0,0,-75,-71,-75,-66,-70,-67,-65,-65,-118,11,-35,0,-62,-83,-203,-260,-437,-425,-518,-511,-877,-889,-881,-865,-994,-1069,-1034,-1046,-1022,-970,-887,-866,-1100,-1035,-1511,-1358]} 1. b3 d5 2. Bb2 Nf6 3. e3 Bf5 4. f4 Nbd7 5. Nf3 e6 6. Nc3 {LiveBook: 4 Games. A03: Bird's Opening with 1...d5} (6. Be2 h6 7. O-O Bd6 8. d3 {½-½ (8) Markovic,M (2462)-Cuhendi,S (2404) Novi Sad 2017}) 6... h6 7. h3 $146 ({Predecessor:} 7. Be2 c6 8. O-O Be7 9. Kh1 Qb6 10. Rc1 O-O 11. Ne5 Nxe5 12. fxe5 Nd7 13. Qe1 f6 14. exf6 Bxf6 {1-0 (25) Sande Edreira,J (2342)-Ladron de Guevara,F (2084) Pamplona 2007}) 7... Ne4 8. g4 {The position is equal.} Bh7 9. d3 Ng3 10. Rg1 Nxf1 11. Rxf1 Be7 12. Qd2 Nc5 13. O-O-O a5 14. Qf2 a4 15. f5 axb3 16. axb3 Bf6 17. d4 (17. e4 $14 d4 18. Ne2) 17... Nd7 18. e4 O-O 19. Rg1 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] aiming for ...b4.} 20. exd5 (20. e5 $5 {[%cal Re5f6]} b4 21. Ne2 $15) 20... b4 21. Ne4 $1 exd5 22. Nxf6+ Nxf6 23. Ne5 (23. Qe1 $11) 23... Ne4 24. Qe1 {[#]} Ra2 $1 25. Qxb4 Qa8 $1 {( -> ...Ra1+!)} 26. Kb1 Qa6 $1 {Hoping for ...Ra8.} 27. c4 {[#]} (27. Nd3 $15 Ra8 28. c4) 27... Nf2 ({Black should try} 27... Ra8 $1 $17 28. Nd3 dxc4 29. bxc4 Qa7) 28. Rd2 Nxh3 $40 {[%mdl 128] White needs to defend precisely.} 29. Rc1 ({White should play} 29. Re1 $11 Ra8 30. Kc2) 29... h5 $1 $15 {[%cal Bh6h5,Bh5g4,Bg4g3][%mdl 32] Threatens to win with ...hxg4.} 30. Nd7 (30. Re2 $17 Ra8 31. Qe7) 30... Ra8 $19 31. Nc5 $2 (31. Nb8 {was necessary.} Qc8 32. Nc6) 31... Qd6 {Black is clearly winning.} 32. Re1 hxg4 33. Re5 {[#]} (33. Re8+ $142 Rxe8 34. Kxa2) 33... Bxf5+ $1 {[%mdl 512]} 34. Rxf5 Qg6 35. Na4 R2xa4 36. bxa4 Qxf5+ 37. Ka2 g3 38. Qb3 dxc4 39. Qxc4 Qe4 40. Qf1 Nf4 {Precision: White = 45%, Black = 63%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Berczes, David"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2501"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,57,35,18,39,26,34,24,63,22,26,11,35,40,39,35,31,31,29,29,42,39,75,33,46,-15,19,-13,-14,-35,-33,-24,-33,-27,-22,-28,-5,-27,-12,-42,-26,-66,-34,-58]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. O-O a6 6. Qc2 {A13: Reti-Eröffnung} Nbd7 7. a4 c5 8. a5 Be7 9. Qxc4 {LiveBook: 4 Partien} O-O 10. Qb3 Rb8 $146 ({Vorgänger:} 10... Qc7 11. d3 Rb8 12. Nc3 Re8 13. Bf4 e5 14. Bg5 h6 15. Bxf6 Nxf6 {1-0 (57) Duda,J (2724)-Krzywda,A (2174) Zgierz 2018}) 11. d3 Bd6 12. Ng5 Ne5 13. Nd2 b5 14. axb6 Rxb6 15. Qc2 Nc6 16. Bxc6 Rxc6 17. Nc4 e5 18. Ne4 Bc7 {[%cal Bd6c7,Bc7e5,Be5d4][%mdl 32]} 19. Nxf6+ Qxf6 20. f4 (20. Be3 $14) 20... Qe7 21. fxe5 Bxe5 22. Bf4 Bd4+ 23. e3 Bf6 {[#] Und ...g5 würde nun gewinnen.} 24. e4 Bd4+ 25. Be3 $1 Qd8 26. Rf2 Be6 27. Re1 h6 28. b3 Re8 29. Qd2 {Precision: Weiß = 42%, Schwarz = 52%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "9"]
[White "Reshef, Omer"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2497"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,39,14,0,21,29,82,25,22,28,18,18,17,15,18,19,16,11]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. dxc5 Bxc5 7. O-O O-O 8. Nc3 h6 9. h3 Nc6 10. Bf4 {C01: Französische Verteidigung (Abtauschvariante)} a6 11. Qd2 Re8 12. Rfe1 Be6 13. a3 {LiveBook: 4 Partien} d4 14. Ne4 Nxe4 (14... Bf8 $11 {hält das Gleichgewicht.}) 15. Bxe4 $146 (15. Rxe4 $16 Be7 16. Bg3) ({Vorgänger:} 15. Rxe4 Qf6 16. Rae1 Red8 17. Ne5 Bf5 {½-½ (60) Vojinovic,G (2460)-Nakhbayeva,G (2300) Paracin 2014}) 15... Bd5 $11 16. Bxd5 Qxd5 17. Rxe8+ {Die Stellung ist ausgeglichen.} Rxe8 18. Re1 Re4 19. Rxe4 Qxe4 20. Ne1 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "9"]
[White "Patel, Advait"]
[Black "Raznikov, Danny"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2475"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,43,20,16,15,15,15,15,15,18,18,18,20,19,22,18,41,38,41,41,55,27]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 {[%cal Bb1c3,Bc3d5,Bd5e3,Be3f5,Bf5e7][%mdl 32] C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (9. d4 Bf6 10. Re1 Nf5 11. d5 Re8 12. Rxe8+ Qxe8 13. Qd3 d6 14. Nd2 Bg5 15. Nf3 Bxc1 16. Rxc1 Bd7 17. Re1 Qd8 18. Qc4 {1-0 (31) Carlsen,M (2843)-Aronian,L (2764) Stavanger 2018}) 9... Ne8 10. Nd5 Bd6 11. Re1 c6 12. Ne3 Bc7 13. Nf5 {LiveBook: 97 Games} d5 14. Ne7+ Kh8 {[#] Threatens to win with ...Be6.} 15. Nxc8 Rxc8 16. d3 {[#]} Qd7 $146 ({Predecessor:} 16... Nf6) 17. Qf3 Nd6 18. g3 Rce8 19. Bd2 Rxe1 20. Rxe1 {White is slightly better.} Re8 21. Rxe8+ Nxe8 22. c3 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "9"]
[White "Nakar, Eylon"]
[Black "Popilski, Gil"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2461"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,42,10,0,11,7,12,0,0,8,0,0,0,1,25,7,24,11,21,10,33,25,31,10,10,0,12,11,9,5,19]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. O-O Nf6 6. Nc3 d6 7. d3 O-O 8. Bg5 {LiveBook: 21 Games} Bf5 {A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6} (8... h6 9. Bxf6 Bxf6 10. Nd2 Bg7 {½-½ (10) Zelcic,R (2561)-Stevic,H (2615) Sibenik 2012}) 9. Qd2 Qd7 10. Bh6 Bh3 11. Bxg7 Kxg7 12. d4 Bxg2 13. Kxg2 cxd4 14. Nxd4 Nxd4 $146 ({Predecessor:} 14... Rfd8 15. e4 Rac8 16. b3 {1-0 (36) Adamko,P (2106)-Matejov,J (2109) Namestovo 2017}) 15. Qxd4 Qc6+ 16. e4 Rfc8 17. b3 Qc5 18. Qxc5 Rxc5 {The position is equal.} 19. Rad1 Rd8 20. Rd4 a6 21. a4 Rdc8 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Javakhadze, Zurab"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2438"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,81,8,15,15,13,45,35,81,77,75,44,70,82,65,21,10,21,20,-12,0,0,29,0,52,35,41,67,47,37,81,64,156,134,111,99,85,42,92,121,257,273,256,271,575,557,533,314,885,884,29973,29974,29975,29978,29978,29978,29978,29979,29979,1608,29980,29980,29987,29988,29988,29989,29989,29990,29994,29995,29995,29988,29998,29999]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. e4 Nf6 (4... g6 5. d3 Bg7 6. Be3 d6 7. c3 Nge7 8. O-O O-O 9. Na3 b6 10. Re1 h6 11. d4 exd4 12. cxd4 Bg4 13. Nc2 d5 14. exd5 Nxd5 15. dxc5 Bxb2 16. Bxh6 Nc3 17. Qxd8 Rfxd8 {1-0 (30) Vachier Lagrave,M (2758)-Perunovic,M (2622) Berlin 2015}) 5. Nc3 d6 6. d3 {LiveBook: 9 Games. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} h6 7. O-O g5 $146 ({Predecessor:} 7... g6 8. Nd2 Bg7 9. Nc4 O-O 10. Ne3 Nd4 11. f4 exf4 12. gxf4 {½-½ (29) Caceres Recalde,F (2159)-Diaz Hollemaert,N (2408) Mar del Plata 2012}) 8. Nd2 {White is slightly better.} Bg7 9. Nc4 Be6 10. Nd5 Bxd5 11. exd5 Ne7 12. f4 exf4 13. gxf4 g4 14. d4 {Black must now prevent dxc5.} cxd4 15. Qxd4 O-O 16. Qd3 (16. f5 $5 {[%cal Rc1h6]}) 16... b5 (16... Ng6 $11) 17. Ne3 $14 Qb6 18. Kh1 h5 19. Bd2 Nd7 20. Nf5 Rae8 (20... Nxf5 $14 21. Qxf5 Qd8) 21. Nxg7 $16 Kxg7 22. b4 Qc7 23. Bc3+ Kg8 24. f5 Qc4 {[#]} (24... f6 $16) 25. Qd2 $1 $18 f6 {[#]} 26. Rae1 $1 Ne5 $2 (26... Nc8 27. Rxe8 Rxe8) 27. Bxe5 dxe5 28. d6 Rd8 $2 {[#]} (28... Kh7 29. c3 Qf7 30. dxe7 Qxe7) 29. Rxe5 $1 {[%mdl 512]} fxe5 30. Qg5+ Ng6 31. Qxg6+ Kh8 32. Qxh5+ Kg8 33. Qg6+ Kh8 34. Qh6+ Kg8 35. Rd1 {White mates.} e4 36. Qg6+ Kh8 37. Qh5+ Kg7 38. Qxg4+ Kf6 39. Qg6+ Ke5 40. d7 Rf6 41. Qg3+ {Precision: White = 75%, Black = 28%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Ostrovskiy, Aleksandr"]
[Black "Li, Ben"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2425"]
[BlackElo "2324"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,40,4,8,0,86,29,26,18,20,17,17,13,26,-25,-8,-40,-41,-38,0,0,20,12,16,0,0]} 1. e3 d5 2. c4 e6 3. Nf3 Nf6 4. d4 c5 5. a3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (8. Bd3 cxd4 9. exd4 Bb7 10. Nc3 Be7 11. Bg5 Nbd7 {½-½ (11) Istratescu,A (2604)-Zubov,A (2614) Arad 2017}) 8... Bb7 9. a4 b4 {LiveBook: 19 Games} 10. b3 a5 $146 (10... Nbd7 $11) ({Predecessor:} 10... Nc6 11. dxc5 Bxc5 {0-1 (24) Andre,R (1325)-Krishnamurthy,P (1299) IECG email 2006}) 11. Bb2 (11. Bb5+ $16 Nbd7 12. Bb2) 11... Nbd7 12. Nbd2 Be7 13. Rc1 O-O 14. Nc4 cxd4 15. exd4 ({Better is} 15. Nxd4 Bd5 16. Bf3) 15... Nd5 16. Nfe5 Bg5 17. Rc2 Qe7 18. Bf3 {The position is equal.} Ra7 19. Re1 Rd8 20. g3 Nxe5 {Precision: White = 31%, Black = 44%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Stefanov, Emil"]
[Black "Guo, Arthur"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2407"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,114,6,3,2,0,0,0,0,0,0,0,0,0,0,-14,0,0,0,0,10,14,13,-31,-55,-57,-57,-47,-54,-98,-45,-37,-41,-49,-34,-83,-82,-74,-29,-70,-76,-91,-99,-101,-90,-97,-30,-85,-81,-477,-489,-481,-466,-513,-381,-522,-515,-716,-683,-618,-467,-1184,-497,-492,-445,-743,-744,-735,-719,-701,-656,-622,-611,-1629,-1388,-1466,-1466,-1108,-922,-29963,-29968,-29974,-29975,-29974,-29976,-29974,-29977,-29977,-29978,-29978,-29979,-29979,-29980]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bd2 Bf6 9. Ne5 {E18: Damenindisch (Hauptfortsetzung)} Nxc3 10. Bxc3 Bxg2 11. Kxg2 c5 12. dxc5 (12. Nf3 cxd4 13. Bxd4 Na6 14. Bxf6 Qxf6 15. Qd4 Qxd4 16. Nxd4 Rfc8 17. b3 {½-½ (17) Aronian,L (2801)-Tomashevsky,E (2702) Palma de Mallorca 2017}) 12... bxc5 13. Qd6 {LiveBook: 26 Partien} a5 14. Rfd1 Be7 $1 {[%cal Re7d6]} 15. Qd3 {[%cal Re5d7]} d6 16. Qf3 Ra6 17. Nd3 $146 {zielt auf Sxc5 ab.} Nd7 18. e4 Qc7 19. Rd2 Bf6 (19... Nb6 {feels hotter.} 20. Rc2 Na4 21. Rb1 Rb8 22. Bd2 Nb6) 20. Bxf6 Nxf6 21. Rad1 Rb6 22. b3 a4 23. Nc1 axb3 24. axb3 h6 25. Qf4 {[%cal Rd2d6]} e5 26. Qf5 Ra8 (26... Qb7 $17 27. f3 Qe7) 27. Ne2 $15 Qe7 28. Rd3 Ra3 29. Nc1 Ra1 30. Qf3 Kh7 31. Qe2 Qb7 32. f3 Ne8 33. Qc2 Qa8 34. R1d2 Qa3 (34... Raa6 $17) 35. Ne2 (35. Na2 $11) 35... Nc7 $17 36. Rxd6 $2 {[%mdl 8192] [#]} (36. Nc3 $17 {leistet mehr Widerstand.}) 36... Rxd6 $19 37. Rxd6 Ra2 38. Qd3 Qb2 39. Kf1 Ne6 40. Rxe6 fxe6 {[%mdl 4096] Endspiel KDT-KDS} 41. f4 Ra3 42. Qc3 (42. Kf2 $142) 42... Qxb3 (42... Qb1+ $142 43. Kg2 Qa2) 43. Qxb3 Rxb3 44. fxe5 {KT-KS} (44. Kf2 $142) 44... g5 45. Kf2 Rb4 46. Ke3 Rxc4 47. Kd3 Rb4 48. h4 Kg6 49. hxg5 hxg5 50. g4 Rb2 51. Ke3 Kf7 {Schwarz setzt Matt.} 52. Nc1 Ke7 53. Nd3 Rb3 54. Kd2 {[#]} Rxd3+ $1 {[%mdl 512]} 55. Kxd3 Kd7 56. Kc3 Kc6 57. Kc4 Kb6 {Precision: Weiß = 41%, Schwarz = 74%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Wheeler, Cameron"]
[Black "Arribas Lopez, Angel"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2406"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,91,32,62,68,77,82,90,68,111,153,135,102,90,63,116,114,183,174,214,246,218,231,233,246,225,239,222,211,218,228,204,128,141,75,102,123,118,131,271,252,334,312,310,310,304,287,275,285,333,345,381,375,414,407,387,412,408,399,809,771,653,636,777,608,577,550,5289,4831,1639,1439]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 c6 7. O-O Qb6 8. h3 Qa6 9. b3 b5 10. Nd2 Bb7 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} 11. Bb2 Nbd7 12. e4 e5 {LiveBook: 3 Games. White is slightly better.} 13. cxb5 cxb5 14. a4 $1 b4 $146 ({Predecessor:} 14... bxa4 15. Nxa4 Qb5 16. Nc4 Ba6 17. Nxd6 Qb4 18. dxe5 Bxf1 {1-0 (26) Romanishin,O (2559)-Zozulia,A (2309) Korinthos 2002}) 15. Na2 Qb6 16. Nc4 Qc7 17. dxe5 dxe5 18. Rc1 {aiming for Nxe5.} Bh6 (18... Rfd8 $14) 19. Rc2 $1 $16 {Hoping for Nxe5.} (19. Nxb4 $6 Bxc1 20. Qxc1 Bxe4 $15) 19... Qb8 (19... Rac8 $16) 20. Nxb4 $18 Bxe4 21. Bxe4 Nxe4 22. Qxd7 Qxb4 23. Qc6 $1 {[%cal Rc6e4]} ({Much less strong is} 23. Nxe5 Bg7) (23. Bxe5 Qxb3 24. Qd1 Rfe8 $15) (23. Qd5 $6 Ng5) 23... Ng5 24. Bxe5 {And now Qf6 would win.} Qe7 {[#]} 25. f4 $1 {[%cal Rf4g5]} Rfc8 26. Qg2 Ne6 27. Ne3 {[%cal Bc4e3,Be3d5,Bd5f6][%mdl 32] Black must now prevent Nd5.} Bg7 28. Rfc1 (28. Bxg7 $142 Kxg7 29. f5) 28... Rd8 29. Nd5 $36 {[%mdl 2048] White is in control.} Qa3 {[#]} 30. Nf6+ $1 Kh8 (30... Bxf6 $16 {keeps fighting.} 31. Bxf6 Re8) 31. Qb7 Rf8 32. Ra1 Rab8 33. Qxb8 ({Less strong is} 33. Rxa3 Rxb7 34. Rc4 a5 $16) ({Not} 33. Qxa7 Qxb3 34. Qf2 Rbd8 $16) 33... Qxa1+ 34. Bxa1 {Rc8 would kill now.} Rxb8 35. Be5 Rd8 36. b4 h5 37. h4 Rd1+ 38. Kf2 Bxf6 39. Bxf6+ {[%mdl 4096] Endgame KRB-KRN} Kh7 40. Rc8 {[%csl Gf6][%cal Rc8h8]} Ng7 $2 (40... g5 41. f5 Ng7) 41. Rf8 {White is clearly winning.} Rd7 42. Kf3 g5 43. hxg5 Nf5 44. g4 Nh4+ 45. Ke4 {Threatening mate with Rh8+.} Ng6 46. Rc8 {Precision: White = 80%, Black = 25%.} 1-0

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Yim, Sung Ho"]
[Black "Easton, Jack"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2271"]
[BlackElo "2262"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,100,70,62,65,70,87,50,41,50,64,49,59,46,85,66,85,53,69,37,44,24,22,10,2,0,0,0,0,0,0,0,0,-16,-16,-10,-7,-14,0,0,12,0,35,34,173,177,166,122,127,127,212,204,209,216,378,318,291,216,222,188,137,131,597,195,202,217,218,218,333,189,189,182,314,272,344,337,277,217,219,206,193,197,265,260,253,226,224,0,0,0,0]} 1. e4 c5 2. Nc3 e6 3. Nge2 d5 4. exd5 exd5 5. d4 Nc6 6. dxc5 d4 {B23: Closed Sicilian: Lines without g3} 7. Ne4 {LiveBook: 11 Games} Qd5 8. N2g3 Bxc5 {White is slightly better.} 9. a3 $146 ({Predecessor:} 9. Nxc5 Qxc5 10. Bd3 Nf6 11. O-O O-O 12. Re1 Bg4 13. Ne4 Nxe4 14. Qxg4 {1-0 (42) Yurtaev,L (2485)-Kiselev,S (2420) Frunze 1988}) 9... Be7 10. Bd3 Nf6 11. O-O O-O 12. Re1 Be6 13. Nxf6+ Bxf6 14. Bf4 (14. Nh5 {keeps more tension.} Bg5 15. Be4 Qd8 16. Nf4 Bd7 17. Qh5) 14... g6 15. Ne4 Bg7 16. Bh6 Bf5 17. Bxg7 Kxg7 18. Ng3 Bxd3 19. Qxd3 Rfe8 20. Rad1 Rad8 21. Rxe8 Rxe8 22. c4 Qe6 23. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rd8 {White should prevent ...Ne5.} 24. f4 f5 25. Kf2 Qf6 26. Ne2 Re8 27. b5 $36 {[%mdl 2048] White has good play.} Re3 (27... Na5 $1 $14) 28. Qd2 $1 $18 Ne7 29. Qxd4 Rxa3 30. Qc5 Ra2 {[#]} (30... Qb6 $16 31. Qxb6 axb6) 31. Rd7 $1 {[%cal Rd7e7]} Kf8 32. Rxb7 Rb2 $2 (32... Qe6 {was necessary.} 33. Qe3 Qe4 34. Qxe4 fxe4) 33. g3 Rc2 34. Rc7 {Hoping for Rc6.} (34. Qxa7 $6 Qe6 $18) 34... Qb6 35. Qxb6 axb6 {[%mdl 4096] Endgame KRN-KRN} 36. Ke1 Nd5 $2 {[%mdl 8192]} (36... Ke8 $16 37. Kd1 Rb2) 37. Rc6 $2 (37. Rc8+ Ke7 38. Nd4 Rxh2 39. cxd5) 37... Ne3 38. Rxb6 Rxc4 39. Kd2 Nd5 (39... Ng4 $142 40. Rb8+ Ke7 41. Rb7+ Kd6 42. Rxh7 Kc5) 40. Rb7 (40. Rd6 $142 Nc7 41. b6) 40... Rb4 41. Kd3 ({Don't play} 41. Rxh7 $6 Rb2+ 42. Kd3 Rxb5 $16) 41... h6 (41... Ke8 $142 42. Nd4 (42. Rxh7 Rxb5 43. Nd4 Rb2 $16) 42... Nf6) 42. Nd4 g5 43. fxg5 ({Much less strong is} 43. Nxf5 gxf4 44. Nxh6 Ne7 $18) 43... hxg5 44. Ne6+ Ke8 45. Nxg5 f4 46. g4 f3 (46... Nf6 {keeps fighting.} 47. h3 Nd7) 47. Nxf3 {And now Ne5 would win.} Rxg4 48. Rh7 Rb4 {[#]} 49. Nd4 $2 (49. Rh5 $1 $18 {[%cal Rh5d5]} Nf6 50. Re5+ Kd8 51. Rf5) 49... Nf4+ $1 $11 50. Kc3 Nd5+ {Precision: White = 57%, Black = 49%.} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "9"]
[White "Kumar, Nikhil"]
[Black "Daggupati, Balaji"]
[Result "*"]
[WhiteElo "2268"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,15,11,10,7]} 1. d4 {Let's Check} d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 {LiveBook: 1080 Games. D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines} 8. e3 {Predecessor:} Be7 $146 9. O-O O-O 10. Rd1 Ne4 11. Qe2 Qb6 12. Nc3 Rfd8 13. Ne1 Nxc3 14. bxc3 Bg6 15. e4 c5 16. Be3 Qa5 17. Nd3 Qxc3 18. dxc5 {0-1 (39) Laznicka,V (2704)-Howell,D (2603) Caleta 2012 CBM 147 [Let's Check]} *

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Kumar, Nikhil"]
[Black "Daggupati, Balaji"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2268"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,41,10,0,21,14,35,-119,-3,-20,54,-70,20,22,68,-122,122,-1211,179,-1301,88,0,1465,-1852,723,-1753,1572,-1442,947,-1484]} 1. d4 {Let's Check} d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines} 8. e3 {LiveBook: 17 Games} h6 $146 ({Predecessor:} 8... Be7 9. O-O O-O 10. Rd1 Ne4 11. Qe2 Qb6 12. Nc3 Rfd8 13. Ne1 Nxc3 14. bxc3 Bg6 15. e4 c5 16. Be3 Qa5 17. Nd3 Qxc3 18. dxc5 {0-1 (39) Laznicka,V (2704)-Howell,D (2603) Caleta 2012 CBM 147 [Let's Check]}) 9. Nc3 Rc8 {The position is equal.} 10. e4 $2 {[#]} (10. O-O $14 {keeps the upper hand.}) 10... Bh7 (10... Nxe4 $17 {With the idea ...Be7.} 11. O-O Nb6) 11. Ne5 Qa5 ({Black should play} 11... Nxe5 $11 12. dxe5 Nd7) 12. Bd2 (12. Nxd7 $14 Nxd7 13. Bd2) 12... Qb6 (12... Nxe5 $15 13. dxe5 Qxe5) 13. Be3 Qa5 14. Nd3 $2 {[#]} (14. Nxd7 $14 {stays ahead.} Nxd7 15. O-O) 14... Qa6 $2 (14... b5 $17 {keeps the pressure on.} 15. Qb3 Nxe4) 15. Rc1 $2 {[%mdl 8192]} (15. Qxa6 $16 bxa6 16. Rc1) 15... Bg6 $4 {[%mdl 8192]} (15... Qxc4 $19 {avoids the disaster.} 16. Bf1 Nxe4) 16. b4 $4 {[%mdl 8192]} (16. Qxa6 $18 bxa6 17. f3) 16... Qa3 $2 (16... Qxc4 $19 17. Nc5 Ng4) 17. Nb5 (17. O-O $16) 17... cxb5 $2 {[%mdl 8192]} (17... Qa4 $11) 18. Nf4 $4 {[%mdl 8192]} (18. Qxc8+ $18 Ke7 19. Ne5 Bxe4 20. Bxe4 Qxb4+ 21. Kf1) 18... Bxe4 $4 {[%mdl 8192]} (18... bxc4 $19 19. O-O Bxe4 20. Bxe4 Nxe4) 19. Bxe4 $4 {[%mdl 8192]} (19. Qxc8+ $18 Ke7 20. Bxe4 Nxe4 21. Rc7 Qxb4+ 22. Ke2) 19... Qa6 $4 {[%mdl 8192]} (19... Rxc4 $19 20. Rxc4 bxc4) 20. Qd5 $4 {[%mdl 8192]} (20. Qxc8+ $18 Ke7 21. Rc7) 20... h5 $4 {[%mdl 8192]} (20... Rxc1+ $19 21. Bxc1 exd5) 21. h4 $4 {[%mdl 40960] Precision: White =  4%, Black =  0%. . An unexpected result.} (21. Rxc8+ $18 Ke7 22. Qxb7 Qxb7 23. Bxb7) 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Findlay, Ian T"]
[Black "Vivekananthan, Anish"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2263"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,58,16,9,24,0,38,11,14,6,14,0,5,12,12,18,17,4,7,3,8,7,6,-3,0,0,0,0,0,-14,-8,-64,-63,-171,-188,-181,-181,-611,-622]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Bd2 {B92: Sizilianisch (Najdorf-Variante mit 6.Le2)} Nbd7 11. Nd5 Bxd5 12. exd5 {LiveBook: 19 Partien. Die Stellung ist ausgeglichen.} b6 (12... Nc5 13. Nxc5 dxc5 14. c4 Bd6 15. Qh3 e4 16. f4 exf3 17. Rxf3 Qd7 {½-½ (28) Nepomniachtchi,I (2751)-Karjakin,S (2773) Saint Louis 2017}) 13. a4 a5 14. Rfd1 $146 ({Vorgänger:} 14. c4 Nc5 15. Nxc5 dxc5 16. Bc3 Bd6 17. Rae1 Ra7 {1-0 (78) Kazakov,K (2356)-Jumabayev,R (2620) Astana 2017}) 14... Rc8 15. c3 Ne8 16. Bg4 g6 17. Bh6 Ng7 $1 18. Bxd7 Qxd7 19. Nd2 Qc7 20. Qb5 Rb8 21. Nc4 Rfc8 $36 {[%mdl 2048] Schwarz kämpft um Vorteil.} 22. b3 Nf5 23. Bc1 h5 24. Ba3 Qd8 25. Rd3 Ng7 26. b4 (26. Rad1 $11) 26... Ne8 $15 27. bxa5 (27. Bc1 $15) 27... bxa5 $19 28. Qa6 Qc7 29. Nd2 $2 {[#]} (29. Nb2) 29... Rb6 {Precision: Weiß = 30%, Schwarz = 73%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "9"]
[White "Nguyen, Emily"]
[Black "Kovalyov, Anton"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2194"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,28,11,0,22,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 c6 5. Bg2 d5 6. O-O Be7 7. Nc3 O-O 8. Ne5 Ba6 9. cxd5 {E06: Katalanisch} cxd5 10. Bf4 Bb7 (10... Nfd7 11. Nxd5 exd5 12. Nxf7 Rxf7 13. Bxd5 Nc6 14. Bxc6 Rc8 15. Bd5 Nf6 16. Bxf7+ Kxf7 17. Re1 Rc4 18. Be5 Bb4 19. Rf1 Ng4 20. Qb3 Qd5 21. Rac1 Bd2 22. Rc2 Nxe5 23. dxe5 b5 24. e4 Qd4 25. Rd1 {1-0 (25) Ponomariov,R (2715)-Vallejo Pons,F (2700) Madrid 2016}) 11. Rc1 Nh5 12. Bd2 Nf6 13. Bf4 $146 {LiveBook: 31 Partien} ({Vorgänger:} 13. Nb5 Ne8 14. Qc2 f6 15. Nd3 Nc6 16. Nf4 Qd7 {1-0 (32) Smejkal,J (2525)-Boensch,U (2540) Germany 1998}) 13... Nh5 14. Bd2 Nf6 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Kung, Thomas"]
[Black "Wang, Jason"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2132"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "182"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,182,59,18,58,59,57,45,37,27,38,13,9,8,66,56,82,71,71,0,111,28,72,-8,-7,-42,-14,-4,-7,-7,-24,-46,-54,-70,-60,-60,-51,-59,-65,-65,0,0,0,0,2,-175,-26,-57,-57,-67,-49,-58,-56,-58,-52,-69,0,-63,0,0,0,-418,-71,-71,-75,-125,-114,-133,-139,-138,-111,-105,-17,-17,0,0,0,-112,-114,-164,-103,-287,-8,-11,-28,-31,-9,-15,-11,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-316,-280,-271,-235,-337,-202,-613,-986,-1001,-1026,-1057,-859,-463,-141,-117,-128,-1194,-1116,-5206,-1669,-12835,-12835,-1776,0,-12841,-12841,-12841,-12841,-12841,-12841,-12850,-29950,-29943,-29952,-29960,-29951,-29964,-29966,-29965,-29967,-29979,-29969,-29987,-29961,-29984,-29959,-29956,-29956,-29968,-29968,-29954,-12851,-29968,-29974,-29982,-29984,-29988,-29989,-29989,-29990,-29990,-12851]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Qd3 {B41: Sicilian: Kan Variation: 5 c4} O-O (7... Qc7 8. Nc2 Bc5 9. Be2 O-O 10. O-O Nc6 11. Kh1 d6 12. f4 Bd7 13. a3 Rad8 14. b4 Ba7 {½-½ (115) Karjakin,S (2782)-Caruana,F (2816) Paris 2018}) 8. e5 Ne8 9. a3 {LiveBook: 3 Games. White is slightly better.} Be7 10. Be2 d6 11. exd6 $146 ({Predecessor:} 11. Bf4 dxe5 12. Bxe5 Bf6 13. Qe3 Bxe5 14. Qxe5 Bd7 {1-0 (52) Santos Latasa,J (2523)-Lazarev,V (2442) Getxo 2017}) 11... Qxd6 12. Be3 Nf6 13. O-O-O Qc7 14. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Rd8 (14... Nbd7 $11) 15. Qc2 Nbd7 16. g5 Ne8 17. Rhg1 (17. Kb1 $16) 17... b6 (17... Ne5 $11) 18. h4 ({White should play} 18. Bd3 $16) 18... Ne5 19. Ne4 (19. h5 $16) 19... Bb7 $11 20. Kb1 Nxc4 21. Bxc4 Bxe4 $1 22. Qxe4 Qxc4 23. Rc1 Qd5 24. Qxd5 Rxd5 25. Nc6 Bd6 26. h5 Kf8 27. h6 g6 ({Better is} 27... gxh6 $15 28. gxh6 Bc5) 28. Bxb6 Rb5 29. Bd4 Bxa3 30. Na7 $2 {[#]} (30. Rgd1 $11 {and White is okay.}) 30... Rb7 (30... Rxa7 $1 $19 {[%mdl 512]} 31. Bxa7 Bxb2 32. Bc5+ (32. Rc5 $2 Rb7 $19) 32... Kg8) 31. Nc8 Rab8 {[%cal Ra3b2]} 32. Rc2 Nc7 33. Nb6 Nb5 $1 {[%cal Rb5d4]} ({Reject} 33... Rxb6 34. Bxb6 Rxb6 35. Rxc7 $14) 34. Bg7+ Ke8 $1 35. Nc4 Bb4 (35... Be7 $15) 36. Rd1 (36. Rgc1 $11) 36... Nc7 (36... Be7 $15 37. f4 Rc8) 37. Be5 Rd8 38. Bd6 $2 {[%mdl 8192]} (38. Rxd8+ $1 $11 {and White has nothing to worry.} Kxd8 39. Nb6) 38... Nd5 $2 (38... Nb5 $19 39. Bxb4 Rxd1+ 40. Rc1 Rd5) 39. Bxb4 $17 Rxb4 40. Rdc1 Rb5 {Strongly threatening ...Nb4.} 41. Na3 Rb3 42. Rc6 a5 $36 {[%mdl 2048] Keeping White busy.} 43. Nc4 a4 (43... Rf3 $1 $17 44. Nxa5 Rxf2) 44. Ra6 $11 Rb4 45. Nd6+ Ke7 46. Nc8+ (46. Nc4 $1 $11 {was the only way to keep the balance.}) 46... Kf8 $17 47. Na7 {And now Nc6 would win.} Ra8 (47... Rg4 $19 {...Ra8 is the strong threat.} 48. Nc6 Rc8) 48. Rc5 $2 (48. Rc8+ $17 {was forced.} Rxc8 49. Nxc8) 48... Rb7 $2 (48... Rg4 $19 49. Raa5 Rg1+ 50. Rc1 Rxg5 51. Rxa4 Rh5) 49. Rc8+ $11 Rxc8 50. Nxc8 {[%mdl 4096] Endgame Black must now prevent Rd6. KRN-KRN} Rb4 51. Ra7 Rf4 52. Nd6 Nb6 53. Rb7 Nc4 54. Rb8+ Ke7 55. Nxc4 Rxc4 {KR-KR} 56. Rb7+ Ke8 57. Rb8+ Kd7 58. Rh8 Rg4 59. Rxh7 Ke7 60. f4 $1 e5 61. fxe5 $2 {[%mdl 8192]} (61. Rh8 $11) 61... Rxg5 $19 62. Rh8 Rxe5 63. Ka2 (63. Ra8 $142 Rh5 64. Ra7+ Kf6 65. Rxa4) 63... Re3 (63... Rh5 $142 64. Ka3 f5) 64. Kb1 $2 (64. Ra8 Rh3 65. Ra7+ Kf6 66. Ra6+ Kg5 67. Rxa4) 64... Rh3 65. Kc2 Kf6 66. Ra8 Rxh6 67. Rxa4 {[#]} Rh2+ $2 (67... Ke5 $1 $19 {has better winning chances.} 68. Ra5+ Kd4 69. Ra4+ Kd5 70. Ra5+ Kc4 71. Ra4+ Kb5) 68. Kc3 $17 Rh3+ 69. Kd2 $2 {[%mdl 8192]} (69. Kc2 $17) 69... g5 $19 {[%cal Bg6g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32]} 70. b4 Ke5 71. Kc2 f5 72. b5 f4 $2 ({Black should try} 72... Rh4 $19 73. Ra5 Rc4+ 74. Kb3 Rc8 75. b6+ Ke4 76. Ra4+ Ke3) 73. Rb4 $2 {[%mdl 8192]} (73. b6 $11 Rh2+ 74. Kc3 Rh3+ 75. Kc4) 73... g4 74. b6 {[#]} g3 $1 {[%cal Rg3g2]} 75. b7 Rh8 76. b8=Q+ Rxb8 77. Rxb8 {KR-KPP} g2 78. Rg8 f3 79. Kd2 f2 80. Rxg2 f1=Q {KQ-KR} 81. Rg7 Kf6 82. Rg8 Kf7 83. Rc8 Qg2+ 84. Kc1 Qg5+ 85. Kb1 Qb5+ 86. Kc1 Ke6 (86... Kg6 $142 87. Rd8 Kh7 88. Kc2 Qc4+ 89. Kb2 Kh6 90. Rh8+ Kg6 91. Rh3 Kf5 92. Rc3 Qd5 93. Rb3 Ke4 94. Kc2 Qc4+ 95. Rc3 Qe2+ 96. Kb3 Kd4 97. Rg3 Qb5+ 98. Ka3 Qe5 99. Rb3 Kc4 100. Rb1 Qa5+ 101. Kb2 Qb4+ 102. Ka2 Qa4+ 103. Kb2 Qb3+ 104. Kc1 Qc3+ 105. Kd1 Kd3 106. Rb3 Qxb3+ 107. Ke1 Qf7 108. Kd1 Qf1#) 87. Rc2 Kd5 {Black mates.} 88. Rc8 Kd4 89. Rd8+ Kc3 90. Rc8+ Kb3 91. Rc7 Qf1+ {Precision: White = 40%, Black = 48%.} (91... Qg5+ $142 92. Kd1 Qd8+ 93. Ke2 Qxc7 94. Ke3 Qc4 95. Kf3 Qh4 96. Ke2 Kc3 97. Kf3 Kd3 98. Kg2 Ke3 99. Kg1 Kf3 100. Kf1 Qh1#) 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Hung, Daniel"]
[Black "Stremavicius, Titas"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2104"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,54,-28,-42,0,0,0,0,13,-14,-9,-30,0,-39,-16,-54,-40,-57,-52,-43,-54,-169,-155,-137,-145,-138,-44,-112,-121,-472,-210,-604,-593,-572,-574,-1376,-1348]} 1. e4 d6 2. d4 Nf6 3. Nc3 {[%cal Bb1c3,Bc3b5,Bb5a3][%mdl 32]} g6 4. f4 Bg7 5. Nf3 c5 6. d5 O-O 7. Bc4 b5 8. Nxb5 {A43: Schmid Benoni} (8. Bxb5 Nxe4 9. Nxe4 Qa5+ 10. Nc3 Bxc3+ 11. bxc3 Qxb5 12. Kf2 Nd7 13. Re1 Re8 14. f5 Qc4 15. fxg6 hxg6 {0-1 (72) Kovchan,A (2546)-Chernin,A (2573) Warsaw 2002}) 8... Nxe4 9. O-O Nd7 10. Bd3 a6 11. Na3 $1 {LiveBook: 5 Games} Nef6 12. c4 e6 13. dxe6 fxe6 14. Re1 $146 ({Predecessor:} 14. Ng5 Re8 15. Rb1 Bb7 {1-0 (37) Butunoi,A (2412)-Taggatz,M (2230) Austria 2003}) 14... Re8 15. Rb1 Rb8 16. b3 Bb7 17. Bb2 Qc7 18. Ng5 e5 19. fxe5 Nxe5 20. Bxe5 (20. Nc2 $1 $15) 20... Rxe5 $40 {[%mdl 128] Black attacks with force.} 21. Rxe5 dxe5 22. Qe2 Qd6 (22... Qc6 $17 {And now ...Rd8 would win.} 23. Rf1 e4) 23. Rd1 ({White should play} 23. Nc2 $1 $15) 23... Qd4+ $17 24. Qf2 $2 {[%mdl 8192] [#]} (24. Kh1 $17 Qg4 25. Qxg4 Nxg4 26. Kg1) 24... e4 (24... Qg4 $142 25. Nf3 e4) 25. Bc2 $2 (25. Be2 Qb2 26. Ne6) 25... Ng4 $19 {Black is clearly winning.} 26. Qxd4 Bxd4+ 27. Kf1 Rf8+ {Precision: White = 26%, Black = 48%.} 0-1

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.03"]
[Round "9"]
[White "Green, Austen"]
[Black "Sanchez, Robert"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2087"]
[BlackElo "1834"]
[Annotator "NA RC"]
[PlyCount "100"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,100,114,96,113,80,105,32767,32767,32767,32767,118,142,133,165,185,179,195,195,0,158,176,171,150,190,25,219,185,172,177,183,171,168,176,164,167,193,176,202,142,100,127,114,149,142,163,204,121,126,121,77,32767,192,159,206,-79,19,9,19,8,110,116,109,109,117,109,126,134,144,0,-8,0,0,-38,0,-39,-16,-11,0,-8,-8]} 1. e4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:01:19]} Bf5 {[%emt 0:00:24]} 4. Be3 {[%emt 0:01:28]} e6 {[%emt 0:01:03]} 5. h4 {[%emt 0:02:56]} f6 {[%emt 0:05:07]} 6. g4 {[%emt 0:01:47]} Be4 {[%emt 0:01:07]} 7. f3 {[%emt 0:00:21]} Bg6 {[%emt 0:00:02]} 8. h5 {[%emt 0:00:18]} Bf7 {[%emt 0:00:07]} 9. f4 {[%emt 0:00:55]} fxe5 {[%emt 0:01:17]} 10. fxe5 {[%emt 0:00:19]} Be7 {[%emt 0:00:24]} 11. Nf3 {[%emt 0:04:13]} Qd7 {[%emt 0:07:39]} 12. c3 {[%emt 0:03:29]} O-O-O {[%emt 0:00:19]} 13. b4 {[%emt 0:00:28]} Kb8 {[%emt 0:00:20]} 14. Bb5 {[%emt 0:00:38]} Nh6 {[%emt 0:00:40]} 15. Rg1 {[%emt 0:01:01]} Rhf8 {[%emt 0:00:21]} 16. Nbd2 {[%emt 0:03:54]} Be8 {[%emt 0:05:55]} 17. Qb1 {[%emt 0:04:42]} Nxg4 {[%emt 0:01:39]} 18. Rxg4 {[%emt 0:00:19]} Bxh5 {[%emt 0:00:01] [#]} 19. Rg3 $1 {[%emt 0:00:43]} h6 {[%emt 0:04:59]} 20. Qh7 $2 {[%emt 0:02:08]} (20. Qb3 $18) 20... Rf7 $2 {[%emt 0:01:05]} (20... a6 $11 21. Ba4 g5) 21. O-O-O {[%emt 0:00:47]} Rdf8 {[%emt 0:00:43]} 22. Rf1 {[%emt 0:01:01]} a6 {[%emt 0:00:30] [#]} 23. Be2 $2 {[%emt 0:01:35]} (23. Ba4 $1 $18) 23... Na7 $2 {[%emt 0:02:35]} (23... a5 $11) 24. Rxg7 {[%emt 0:01:17]} Bxb4 {[%emt 0:00:23]} 25. Rxf7 {[%emt 0:01:29]} ({Much less strong is} 25. cxb4 $6 Rxg7 26. Qxh6 Bg4 $14) ({Inferior is} 25. Qxh6 Ba3+ 26. Kc2 Rxg7 $15) 25... Ba3+ {[%emt 0:00:26]} 26. Kb1 {[%emt 0:01:14]} Rxf7 {[%emt 0:00:37] [#]} 27. Qc2 $1 {[%emt 0:00:33]} Nb5 {[%emt 0:01:43]} 28. Ka1 {[%emt 0:02:11]} Qc6 {[%emt 0:00:57]} 29. Nb1 {[%emt 0:03:30]} ({Inferior is} 29. Bxh6 Bb4 $11) 29... Be7 {[%emt 0:00:37]} 30. Ng1 {[%emt 0:02:23]} Rxf1 {[%emt 0:00:39]} 31. Bxf1 {[%emt 0:02:24]} Bg4 {[%emt 0:00:41]} 32. Bh3 {[%emt 0:03:29]} Bh5 {[%emt 0:04:46]} 33. Ne2 {[%emt 0:01:05]} ({Jedoch nicht} 33. Bxh6 $6 Nxd4 34. Qd3 Nf5 $16) 33... Bf3 {[%emt 0:02:39]} (33... Bg5 $16 {is a better defense.}) 34. Bf1 {[%emt 0:05:00]} (34. Bxh6 $18 Be4 35. Qb3) 34... Be4 {[%emt 0:01:07]} 35. Qb3 {[%emt 0:01:31]} h5 {[%emt 0:01:57]} 36. Nf4 {[%emt 0:01:29]} Bg5 {[%emt 0:03:42] [#]} (36... Bxb1 $16 37. Bxb5 (37. Kxb1 Nxc3+ 38. Kb2 Na4+ 39. Ka1 Nb6 $16) 37... axb5) 37. a4 $1 {[%emt 0:03:10]} Na7 {[%emt 0:00:20]} 38. c4 $2 {[%emt 0:00:33]} ({White should try} 38. Nd2 $18) 38... Bxb1 {[%emt 0:01:38]} (38... Bxf4 $1 $15 39. Bxf4 Bxb1 40. cxd5 (40. Kxb1 dxc4 41. Qc2 Qf3 $17) 40... Bc2 41. dxc6 Bxb3 42. cxb7 Bxa4) 39. Kxb1 {[%emt 0:02:09]} dxc4 {[%emt 0:00:41]} 40. Qxc4 {[%emt 0:04:50]} Bxf4 {[%emt 0:07:48]} (40... Qf3 $1 $11 41. Qe2 (41. Nxe6 Qxe3 42. Qxc7+ Ka8 $11) 41... Qc6) 41. Qxc6 {[%emt 0:00:20]} Nxc6 {[%emt 0:00:02]} 42. Bxf4 {[%emt 0:00:15]} Nxd4 {[%emt 0:00:03]} 43. Bh3 {[%emt 0:00:31]} Kc8 {[%emt 0:00:49]} 44. Be3 {[%emt 0:00:13]} Nf5 {[%emt 0:00:15]} 45. Bxf5 {[%emt 0:00:12]} ({Better is} 45. Bf2 $16) 45... exf5 {[%emt 0:00:02]} 46. Kc2 {[%emt 0:00:15]} Kd7 {[%emt 0:00:22]} 47. Kd3 {[%emt 0:02:17]} Ke6 {[%emt 0:00:06]} 48. Bf4 {[%emt 0:00:11]} Kd5 {[%emt 0:02:27]} 49. Bh2 {[%emt 0:02:24]} b5 {[%emt 0:01:30]} 50. axb5 {[%emt 0:06:13]} axb5 $11 {[%emt 0:42:26] Ke4+ [%clk 0:00:00] Kxe5+*} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Kumar, Naman"]
[Black "Huang, Max"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1914"]
[BlackElo "1805"]
[Annotator "NA RC"]
[PlyCount "85"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,72,30,22,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,64,32767,32767,37,38,32767,7,26,8,46,40,45,-37,-44,-41,-24,-49,-43,-63,-54,-56,0,0,32767,72,96,32767,102,52,58,57,92,87,32767,32767,32767,190,161,0,0,0,32767,32767,0,0,0]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 5. c4 {[%emt 0:00:01] LiveBook: 2734 Games} Qc7 {[%emt 0:00:00]} 6. Nc3 {[%emt 0:00:19]} d6 {[%emt 0:00:00]} 7. Be2 {[%emt 0:00:09]} Nf6 {[%emt 0:00:06]} 8. O-O {[%emt 0:00:24]} Nbd7 {[%emt 0:00:03]} 9. Be3 {[%emt 0:00:17]} b6 {[%emt 0:00:52]} 10. Qd2 {[%emt 0:00:21]} Bb7 {[%emt 0:02:18]} 11. f3 {[%emt 0:00:17]} Be7 {[%emt 0:00:14]} 12. Rfc1 {[%emt 0:00:21]} O-O {[%emt 0:00:43]} 13. a4 {[%emt 0:00:12] B41: Sizilianisch (Paulsen-Variante)} (13. b4 Rac8 14. Nb3 Qb8 15. Bf1 Rfe8 16. Qf2 Bd8 17. Na4 Ba8 18. c5 b5 19. Nc3 Bc7 20. g3 dxc5 21. Nxc5 Nxc5 22. bxc5 {1-0 (45) Nepomniachtchi,I (2729)-Ponkratov,P (2613) Riadh 2017}) 13... a5 {[%emt 0:02:17]} 14. Ndb5 {[%emt 0:11:12]} Qb8 {[%emt 0:00:30]} 15. Bf4 {[%emt 0:03:06]} Nc5 $146 {[%emt 0:11:05]} ({Vorgänger:} 15... Ne5 16. Rd1 Rd8 17. Kh1 Bc6 18. Qe3 h6 19. Qf2 Nfd7 20. Qg3 Kh7 {1-0 (45) Drabke,L (2441)-Jens,J (2375) Deizisau 2003}) 16. Qc2 {[%emt 0:07:30]} ({Wrong is} 16. Nxd6 $2 Nb3 $17) 16... Nfd7 {[%emt 0:04:27]} 17. Rd1 {[%emt 0:03:44]} Ne5 {[%emt 0:00:17]} 18. Be3 {[%emt 0:01:18]} Rd8 {[%emt 0:03:12]} 19. f4 {[%emt 0:05:35]} Nc6 {[%emt 0:00:51]} 20. Bxc5 {[%emt 0:02:51]} (20. Bf3 $14) 20... bxc5 {[%emt 0:02:35]} 21. Bf3 {[%emt 0:02:14]} Bf6 {[%emt 0:05:10]} 22. Kh1 {[%emt 0:06:24]} g6 {[%emt 0:07:18]} 23. Qd2 {[%emt 0:10:10]} Nd4 {[%emt 0:05:27]} 24. Nxd4 {[%emt 0:03:36]} Bxd4 {[%emt 0:00:35]} (24... cxd4 $15 25. Nb5 e5) 25. Nb5 {[%emt 0:02:54]} Bg7 {[%emt 0:03:40]} 26. Ra3 {[%emt 0:05:18]} Ra6 {[%emt 0:07:11]} 27. Rd3 {[%emt 0:02:04]} Bf8 {[%emt 0:03:27] [#]} 28. e5 $1 {[%emt 0:02:24]} Bxf3 {[%emt 0:00:09]} 29. gxf3 {[%emt 0:00:42]} Qb7 {[%emt 0:04:42]} 30. exd6 {[%emt 0:03:19]} Raxd6 {[%emt 0:10:23]} 31. Nxd6 {[%emt 0:01:05]} Rxd6 {[%emt 0:00:06]} 32. Rxd6 {[%emt 0:02:55]} Bxd6 {[%emt 0:00:06]} 33. Qxd6 $2 {[%emt 0:01:46]} (33. Kg2 $16 Be7 34. Qc3 (34. Qxa5 Qxb2+ 35. Rd2 Qb3 $18)) 33... Qxf3+ {[%emt 0:00:05]} 34. Kg1 {[%emt 0:00:05]} Qe3+ {[%emt 0:00:44]} 35. Kg2 {[%emt 0:00:21]} Qe2+ {[%emt 0:00:35]} 36. Kg3 {[%emt 0:00:42]} Qe3+ $11 {[%emt 0:00:06]} 37. Kg4 {[%emt 0:00:12]} Qe2+ {[%emt 0:29:16]} 38. Kg3 {[%emt 0:01:09]} Qe3+ {[%emt 0:00:00]} 39. Kh4 {[%emt 0:00:22]} Qf2+ {[%emt 0:00:00]} 40. Kg5 {[%emt 0:02:05]} h6+ {[%emt 0:00:00]} 41. Kf6 {[%emt 0:00:12]} Qh4+ {[%emt 0:00:00]} 42. Ke5 {[%emt 0:00:06]} Qh5+ {[%emt 0:00:00]} 43. Ke4 {[%emt 0:23:48]} 1/2-1/2

[Event "84th Annual Southwest Open"]
[Site "Irving"]
[Date "2018.09.04"]
[Round "9"]
[White "Oberoi, Shelev"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1896"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2018.08.31"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,132,37,24,8,12,1,11,-15,-2,-26,6,-22,52,43,55,39,58,54,48,-51,-12,-10,112,112,120,125,114,72,70,67,69,68,61,70,118,95,180,175,173,97,99,83,81,79,109,63,56,53,62,31,70,14,14,0,0,0,11,12,10,10,20,17,55,55,55,55,55,46,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,0,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55,55]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. c3 d6 7. a4 a6 8. Na3 {C54: Italienische Partie (Hauptvariante)} (8. Re1 h6 9. h3 Re8 10. Nbd2 Be6 11. b4 Bxc4 12. Nxc4 Ba7 13. Qc2 d5 14. Ne3 Bxe3 15. Bxe3 Qd7 {1-0 (44) Vachier Lagrave,M (2789)-Kramnik,V (2792) Paris 2018}) 8... Ba7 9. Bg5 Be6 {LiveBook: 3 Partien} 10. Qe2 {Weiß hat minimalen Vorteil.} Qe7 11. Nc2 $146 ({Vorgänger:} 11. Rad1 Rfe8 12. Bxe6 Qxe6 13. Nc2 h6 {0-1 (46) Joppich,T (1714)-Mailitis,R (1633) Willingen 2017}) 11... h6 12. Bh4 g5 13. Bg3 Nh5 14. Ne3 Nf4 (14... Bxe3 $11 15. Qxe3 Bxc4 16. dxc4 Ng7) 15. Bxf4 $14 exf4 16. Nd5 Bxd5 17. Bxd5 g4 18. Nd4 (18. Nd2 $14) 18... f3 19. gxf3 {[#] Droht stark Sf5.} Bxd4 (19... Nxd4 $11 {hält das Gleichgewicht.} 20. cxd4 gxf3 21. Qxf3 c6) 20. Bxc6 $1 $16 gxf3 21. Qxf3 Be5 {zielt auf ...Dh4 ab.} 22. Bd5 c6 23. Bb3 Qh4 {[%csl Ge5][%cal Rh4h2] [#]} 24. h3 $1 (24. Qg2+ $2 Kh8 $19) 24... Kh8 25. Kh1 Rg8 26. Rg1 ({Jedoch nicht} 26. Bxf7 $2 Raf8 $19) 26... Rg5 (26... Raf8 $16 {war angesagt.} 27. d4 Rxg1+ 28. Rxg1 Qf4 29. Qxf4 Bxf4) 27. Rxg5 $18 (27. Bxf7 Rf8 $11) 27... hxg5 28. Kg2 ({Und nicht} 28. Bxf7 Rf8 $11) ({Günstiger ist} 28. d4 $18 Bg7 29. Rg1 (29. Bxf7 Rf8 $16)) 28... Rf8 $16 29. Qg4 (29. a5 {seems wilder.} Qf4 30. d4 Qxf3+ 31. Kxf3 Bf6 32. Ra4) 29... Qxg4+ 30. hxg4 {[%mdl 4096] Endspiel KTL-KTL} Kg7 31. Rh1 Rb8 32. d4 Bf4 33. Bc2 a5 34. d5 (34. Kf3 $14) 34... cxd5 $11 35. exd5 b5 36. Rb1 Be5 37. axb5 Rxb5 38. Be4 Kf6 39. Kf3 Ke7 40. Ke2 Kd8 41. Kd2 a4 42. f3 f6 43. Kc2 a3 44. bxa3 Rxb1 45. Kxb1 Bxc3 $14 {KL-KL} 46. Kc2 Be1 47. Kd3 Kc7 48. Bg6 Kb6 49. Ke4 Bg3 50. Kf5 Be5 51. Ke6 Kb5 52. Be8+ Kc5 53. a4 Kb4 54. Bc6 Ka5 55. Kd7 Bf4 56. Ke6 Be5 57. Ke7 {Weiß steht etwas besser.} Kb6 58. Kd7 Bf4 59. Ke8 Ka5 60. Kf7 Be5 61. Kg6 Bc3 62. Kf5 Be5 63. Ke4 Kb4 64. Bd7 Ka5 65. Kd3 Bf4 66. Kc4 Be5 {Precision: Weiß = 66%, Schwarz = 57%.} 1/2-1/2

