[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Kovalyov, Anton"]
[Black "Andrenko, Irina"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2663"]
[BlackElo "2146"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,114,34,40,44,45,42,35,76,72,69,50,89,50,54,50,53,53,55,56,53,72,66,37,41,37,39,37,37,29,28,22,37,37,43,43,45,37,42,0,44,34,34,34,42,23,86,82,78,47,113,83,93,38,166,144,547,161,189,227,230,240,241,108,261,255,225,167,347,335,316,264,239,171,309,295,384,157,383,401,403,369,287,0,181,180,229,222,398,391,363,276,283,270,450,429,701,634,5152]} 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 c5 7. O-O Re8 8. Re1 {E91: Königsindisch (Klassisches System)} (8. Be3 Ng4 9. Bg5 h6 10. Bc1 Nd7 11. h3 cxd4 12. Nxd4 Ngf6 13. Be3 b6 14. Qd2 h5 15. Bh6 Bb7 16. Bxg7 Kxg7 {½-½ (42) Giri,A (2764)-Carlsen,M (2851) Leuven 2017}) 8... cxd4 9. Nxd4 Nc6 10. Be3 {LiveBook: 6 Partien. Weiß steht etwas besser.} (10. Nc2 a5 11. Be3 Nd7 12. Na3 Nc5 13. f3 a4 14. Nab5 Bd7 15. Nd5 Rf8 {1-0 (33) Kovalyov,A (2647)-Andrenko,I (2183) Kenner 2016}) 10... Nd7 $146 ({Vorgänger:} 10... Nxd4 11. Bxd4 Bd7 12. Qd2 Bc6 13. f3 a5 14. b3 Nd7 15. Bf1 Bxd4+ 16. Qxd4 {0-1 (47) Artemiev,V (2676)-Morozevich,A (2692) Moscow 2015}) 11. Rc1 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Qb6 14. Qxb6 Nxb6 15. Nd5 {Droht Sc7 und aus.} Nxd5 16. cxd5 Rd8 17. Rc7 Kf8 18. Rec1 Rb8 19. R1c3 a6 20. f3 Bd7 21. Kf2 Ke8 22. Rb3 b5 $1 23. Rbc3 Ra8 24. Ke3 Rdc8 25. Rxc8+ Rxc8 $14 {[%mdl 4096] Endspiel KTL-KTL} 26. Ra3 Ra8 27. f4 Kd8 28. g4 Kc7 29. Kd4 b4 30. Re3 Kb6 31. e5 Rf8 (31... dxe5+ $11 {bleibt in der Remisbreite.} 32. Rxe5 (32. fxe5 Rc8 $14) 32... e6) 32. exd6 $16 exd6 33. Re7 Bc8 (33... Re8 $14 34. Rxd7 (34. Rxf7 Rxe2 35. Rxd7 Rxb2 $11) 34... Rxe2) 34. h3 h6 35. Bd3 (35. h4 $16) 35... a5 ({Lieber} 35... f5 $14) 36. f5 $18 h5 $2 {[%mdl 8192] [#]} (36... gxf5 $16 37. gxf5 a4) 37. gxh5 $2 (37. Rxf7 $3 {[%mdl 512]} Rxf7 38. fxg6) 37... gxf5 38. b3 Rh8 39. Be2 (39. Rxf7 Rxh5 40. Bf1 f4 $11) 39... Rh7 {[#]} 40. Ke3 (40. Bf3 $1 $18 {ist der präzise Gewinnweg.}) 40... f4+ $2 (40... Ba6 $16) 41. Kxf4 Bxh3 42. Bf3 Bc8 $2 (42... Bf1 {ist eine bessere Verteidigung.} 43. Rd7 Kc5) 43. Re1 f6 44. Rg1 Bd7 45. Rg8 Kc5 (45... a4 $142 46. Rf8 axb3 47. axb3 Rh6) 46. Ra8 Kb6 47. Rd8 (47. Rb8+ $18 {und Weiss behält klar die Oberhand.} Kc7 48. Ra8) 47... Kc7 $2 (47... Kc5 $16 48. Ra8 Kb6) 48. Rf8 Rh6 49. Rg8 Rh7 50. Rf8 Rh6 $1 51. Ra8 Kb6 52. Be2 Kb7 $2 (52... Kc5 {war angesagt.} 53. Rxa5+ Kd4) 53. Rg8 Rh7 54. Rg6 Be8 55. Kf5 ({Lieber nicht} 55. Rxf6 Bxh5 56. Bxh5 Rxh5 $11) 55... Re7 $2 (55... Kb6 56. Kxf6 Rf7+ 57. Kg5 Rf2) 56. Bg4 Re5+ (56... Kb6 $142 57. Kxf6 Rh7) 57. Kxf6 Rxd5 {Precision: Weiß = 51%, Schwarz = 36%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Dragun, Kamil"]
[Black "Hernandez Carmenate, Holden"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2612"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,67,57,45,75,29,34,30,37,36,27,27,37,40,47,45,49,50,54,45,52,9,13,7,9,1,29,29,31,6,6,7,5,10,4,10,6,15,4,0,0,0,3,0,0,0,3,0]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 c6 6. O-O Bg7 7. exd6 Qxd6 8. c3 O-O 9. Re1 Bg4 10. Nbd2 Nd7 11. h3 {B04: Alekhine's Defence: 4 Nf3} Bxf3 12. Nxf3 {LiveBook: 8 Games} b5 (12... e6 13. a4 a5 14. Bg5 N7b6 15. Bf1 c5 16. dxc5 Qxc5 17. Qb3 Rfc8 18. Rad1 h6 {1-0 (42) Hansen,E (2603)-Xiong,J (2667) Wijk aan Zee 2017}) 13. Bf1 {White is better.} (13. Bxd5 $5 cxd5 14. Qe2 $14) 13... e5 $146 ({Predecessor:} 13... e6 14. Qc2 a6 15. Bd2 c5 16. dxc5 Qxc5 17. Rad1 N7b6 18. Bc1 Rac8 {½-½ (34) Nordstrom,F (2205)-Sandstrom,L (2320) Stockholm 1994}) 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. a4 b4 17. cxb4 Nxb4 18. Bh6 Rfb8 19. Qxd6 Bxd6 20. Rac1 Bf8 21. Bxf8 (21. Bg5 {is more complex.} Rb7 22. g3 h6 23. Be3 Re8 24. Bg2) 21... Kxf8 22. Rc4 a5 23. Rc5 Re8 24. Rd1 Ke7 25. g3 Ra7 {The position is equal.} 26. h4 Rd8 27. Re5+ Kf6 28. Rxa5 Rxa5 29. Rxd8 {Black must now prevent b3.} Rxa4 $11 {KRB-KRN} 30. Rd7 Ra1 31. Kg2 Re1 32. Bc4 Re7 33. Rd8 Rc7 34. b3 {Precision: White = 58%, Black = 68%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Belous, Vladimir"]
[Black "Preotu, Razvan"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2564"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,77,14,27,17,15,13,29,8,-1,22,27,16,1,9,13,5,0,3,0,0,0,0,4,17,20,8,0,19,0,0,0,43,35,29,42,75,80,87,69,84,32,162,153,319,326,292,287,290,285,285,285,283,283,281,281,274,272,314,315,318,302,357,365,398,400]} 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} 9. O-O Nxe5 10. dxe5 Qxe5 {White has an edge.} 11. Be3 $146 ({Predecessor:} 11. Bd2 Bc5 12. Nb5 O-O 13. b4 Be7 14. f4 Qe6 15. Be3 Bxb4 16. Nc7 {1-0 (47) Aronian,L (2805)-Caruana,F (2736) Wijk aan Zee 2012}) 11... Bc5 (11... Bxc3 {is interesting.} 12. bxc3 O-O 13. Qd2 b6 14. a4 Ba6) 12. Bxc5 Qxc5 13. Nb5 O-O 14. Qd6 b6 15. b4 Qc6 16. Rad1 Bb7 17. Qf4 {aiming for Rd6.} d5 18. Nd4 Qd7 19. Nf5 {Hoping for Nxg7!} Qe6 20. cxd5 Bxd5 ({But not} 20... Nxd5 $6 21. Rxd5 $1 {[%mdl 512]} Bxd5 22. Qg5 $16) 21. Bg4 Kh8 $1 22. Bh3 {Nxg7! is the strong threat.} Rad8 {[#]} (22... Bxa2 {[#]} 23. Nxg7 $1 {[%mdl 512]} Qc6 24. Rd6 $18) 23. Nxg7 $1 $40 {[%mdl 640] White is up to no good.} Qd6 $1 {[%cal Rd6f4]} (23... Kxg7 24. Bxe6) 24. Qh6 Rg8 25. Nf5 Qe5 26. Rfe1 Rg6 27. Qd2 (27. Qe3 $16) 27... Rdg8 ({Black should play} 27... Nh5 $1 $14) 28. g3 $18 Qe6 $2 (28... b5 $16 29. Rc1 Rd8) 29. Qb2 Re8 30. Nh4 Qe5 31. Nxg6+ hxg6 32. Qxe5 Rxe5 33. a3 Re7 34. Rc1 Kg7 35. f3 {[%cal Bf2f3,Bf3e4][%mdl 32]} Bb7 36. Bg2 Kf8 37. Re3 Rd7 38. fxe4 Rd2 39. h3 {Precision: White = 71%, Black = 50%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Matsenko, Sergei"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2542"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,15,13,0,0,0,0,-6,3,-5,-10,-15,-7,-18,0,-11,0,0,0,-29,25,13,17,12,31,17,49,18,40,21,14,4,96,114,109,100,93,90,150,163,168,152,420,287,275,257,295,227,355,337,314,239,230,235,242,218,220,112,393,382,600,587,880,839,786,491,633,614,572,565,574,537,29994,422,29995,29996,29996,29997]} 1. Nf3 c5 2. c4 Nc6 3. e3 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 4. Nc3 Nf6 5. d4 e4 6. Nd2 {A34: Symmetrical English: 2 Nc3, lines with ...d5} (6. d5 exf3 7. dxc6 fxg2 8. cxd7+ Bxd7 9. Bxg2 g6 10. b3 Bg7 11. Bb2 O-O 12. Qd2 Qc7 13. O-O-O {½-½ (47) Grischuk,A (2783)-Vachier Lagrave,M (2804) Tbilisi 2017}) 6... cxd4 7. exd4 Bb4 8. Be2 O-O {LiveBook: 6 Games} 9. Nb3 d5 $146 ({Predecessor:} 9... h6 10. O-O b6 11. Bf4 d5 12. a3 dxc4 13. Bxc4 {0-1 (56) Lindbol,A (2076)-Al Tarbosh,W (2248) Oslo 2017}) 10. c5 a5 11. a4 $1 b6 12. cxb6 Qxb6 13. O-O Be6 14. Bf4 Rac8 15. Nb5 Nd7 16. Rc1 h6 17. h4 f5 (17... Nf6 $142) 18. Rc2 $11 Kh7 19. Qc1 {Threatening Bc7!} Ndb8 20. Qe3 Be7 21. h5 Na6 22. Qg3 {And now Qg6+ would win.} Rf6 23. Rc3 $36 {[%mdl 2048] White has the initiative.} g5 (23... Rcf8 $11) 24. hxg6+ $1 $16 Rxg6 {[#]} 25. Qh2 $1 {Black must now prevent Rh3.} Rcg8 26. Rg3 {Rxg6 is the strong threat.} Bf8 (26... Bg5 $142 27. Rxg5 Rxg5) 27. Rxg6 Rxg6 28. Rc1 {aiming for Bh5.} Nab4 $2 (28... Bd7 $16 {was called for.} 29. Bh5 Rf6) 29. Bc7 Qa6 30. Nc5 Qc8 31. Bf4 ({Not} 31. Nxe6 Qxe6 32. Qh3 Be7 $14) 31... Bxc5 (31... Bg8 $142 32. Bh5 Rf6) 32. Rxc5 $18 Qf8 33. Rc3 Bd7 {[#]} 34. Bh5 $1 {[%cal Rh5g6]} Rf6 35. Bd6 Qd8 36. Be2 ({Better is} 36. Bxb4 $18 axb4 37. Rc5) 36... Be8 $2 {[%mdl 8192]} (36... Rg6 $16 37. Bf4 Qf6) 37. Bf4 Rg6 (37... Bd7 $142 38. Bg5 Qf8 39. Bxf6 Qxf6) 38. Rh3 Nd3 39. Rxh6+ Rxh6 40. Qxh6+ Kg8 41. Bxd3 exd3 42. Qe6+ Kh7 43. Nd6 Nxd4 44. Qh6+ Kg8 45. Be5 {[%csl Ge5][%cal Rh6h8]} Ne2+ 46. Kh2 {Precision: White = 68%, Black = 33%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Kadric, Denis"]
[Black "Concha Munoz, Claudia"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2500"]
[BlackElo "1862"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,131,48,59,58,58,58,56,52,83,82,88,80,86,62,65,59,72,67,79,43,62,45,81,82,73,66,52,50,131,97,104,101,130,117,161,161,207,130,145,138,161,51,166,127,145,147,192,167,181,166,301,311,331,162,147,177,139,117,117,117,160,160,160,129,160,106,92,61,47,55,139,139,160,140,160,160,160,160,173,174,177,182,215,206,443,199,208,0,422,335,327,297,405,452,415,413,577,554,727,734,707,683,836,817,1137,1066,1137,1093,1058,1027,1081,1062]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 f6 10. g3 Qb6 11. Kg2 O-O 12. h4 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines} (12. Bd3 fxe5 13. dxe5 Be7 14. h4 h6 15. Nh3 Nc5 16. Bb1 Bd7 17. Nf2 Nb4 18. Nd4 Ne4 19. Nxe4 dxe4 20. Bxe4 {0-1 (44) Polyakov,M (2422)-Dmitrenko,V (2360) Perm 2014}) 12... Be7 13. Bd3 f5 14. Ne2 {White is slightly better.} Re8 $146 ({Predecessor:} 14... a5 15. Kh2 a4 16. Qg1 h5 17. Ng5 Ndb8 18. a3 {0-1 (68) Srba,M (2237)-Kotek,D (2280) Czechia 2006}) 15. a3 Nf8 16. b4 Bd7 17. Nc3 Rec8 {Black wants to play ...Nxb4.} 18. Na4 Qc7 19. Be3 Be8 20. Rc1 {And now b5 would win.} Qd8 21. h5 a5 22. b5 Na7 23. Qb3 $36 {[%mdl 2048] White has some pressure.} Rxc1 24. Bxc1 b6 ({Better is} 24... h6 $14) 25. Nc3 Rc8 26. Bd2 Bf7 27. Ng5 Bxg5 28. fxg5 g6 29. hxg6 Bxg6 30. Ne2 Rc7 31. Qb2 (31. a4 $18) 31... Rg7 (31... f4 $1 $14 32. Bxg6 (32. Nxf4 Bxd3 33. Nxd3 Qc8 $11) 32... Nxg6) 32. Bf4 Qd7 33. a4 Qf7 34. Qa3 Qd7 35. Rc1 Bh5 (35... Qb7 $142 36. Bd2 Rc7) 36. Qd6 $18 Qb7 {[#]} 37. Bd2 (37. g6 $142 $1 {[%mdl 512] Black must now prevent Bh6.} Rd7 (37... Nxg6 38. Bh6) 38. gxh7+ Rxh7 39. Qd8) 37... Rd7 38. Qa3 Ng6 39. Nf4 Nxf4+ 40. gxf4 Bg4 41. Rh1 {Strongly threatening Rh6.} Qb8 42. Qb3 Qe8 43. Bc1 ({White should try} 43. Rh6) 43... Rc7 44. Bb2 Nc8 45. Rh6 Bh5 ({Black should play} 45... Ne7 $1 $14) 46. Kf2 Bg6 47. Ke3 Rg7 48. Qc2 Na7 49. Rh1 Qd8 50. Rc1 Be8 51. Ba3 {[%cal Bb2a3,Ba3d6,Bd6b8][%mdl 32]} Qd7 52. Bd6 Qf7 $2 (52... Qb7 53. Be2 Bg6) 53. Qh2 (53. Qc7 $142) 53... Qb7 54. Qc2 $2 (54. Rc3) 54... Qf7 $1 55. Bb8 Qh5 56. Qe2 Qh3+ 57. Qf3 Qxf3+ 58. Kxf3 Bh5+ 59. Ke3 {White is clearly winning.} Rb7 60. Bxa7 Rxa7 {[%mdl 4096] Endgame KRB-KRB} 61. Rc6 Kf7 {Now ...Rb7 and Black clings on.} 62. Rxb6 Bd1 63. Rb8 Bxa4 64. b6 Re7 65. b7 Bc6 {[#]} 66. Rf8+ $1 {[%mdl 512] Precision: White = 56%, Black = 33%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "RAZNIKOV, Dani"]
[Black "Stukopin, Andrey"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2491"]
[BlackElo "2592"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,26,17,19,16,0,0,0,12,0,0,0,0,-2,13]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Nc3 b5 8. Be2 {The position is equal.} Nbd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32] D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (8... Bb7 9. dxc5 Nc6 10. Qc2 Nb4 11. Qb3 Bxc5 12. Rd1 Qe7 13. a4 O-O 14. axb5 axb5 15. Rxa8 Rxa8 16. Bd2 h6 {½-½ (51) Wojtaszek,R (2745)-Ponomariov,R (2692) Linares 2017}) 9. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Bb7 10. Bb2 Be7 11. Rc1 O-O 12. dxc5 Nxc5 13. b4 $146 ({Predecessor:} 13. Qxd8 Rfxd8 14. Rfd1 {0-1 (45) Lie,K (2537)-Yatzenko,A (2356) chess.com INT 2017}) 13... Nce4 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Shtembuliak, Evgeny"]
[Black "Kambrath, Yannick"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2488"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,-14,0,0,6,0,7,-16,-2,-16,-13,-12,-11,-21,9,0,11,11,20,8,18,0,13,0,16,16,29,20,35,3,26,43,82,81,69,77,87,84,80,75,68,33,42,47,42,45,45,33,90,86,62,0,367,366,368,375,360,359,352,345,712,655,890,325,458,395,445,445,1033,944,5397,5389,5317,5306]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Nf3 d5 6. e3 b6 7. Be2 Bb7 8. O-O Be7 {LiveBook: 4 Games. E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} (8... dxc4 9. Bxc4 Nbd7 10. Qe2 c5 11. Rfd1 cxd4 12. Nxd4 Ne5 13. Ba6 Qc8 14. Bxb7 Qxb7 15. Ne4 Be7 16. Nxf6+ Bxf6 17. Rac1 Rfd8 18. b4 b5 19. Be1 {½-½ (31) Sokolov,I (2626)-Sargissian,G (2693) Dubai 2016}) 9. Rc1 Nbd7 10. cxd5 exd5 {The position is equal.} 11. Rc2 $146 ({Predecessor:} 11. Bd3 c5 12. dxc5 bxc5 13. Na4 Rc8 14. Bf5 Rc6 15. Bc3 Ra6 16. Bxf6 Nxf6 17. Nxc5 Bxc5 18. Rxc5 Qd6 19. Rc1 Ne4 20. a3 Qf6 {1-0 (41) Efimov,A (2055)-Jarulin,R (2095) Kimry 2003}) 11... a6 12. Bc1 Bd6 13. b3 Qe7 14. Bb2 Ne8 15. Bd3 f5 16. Ne2 g6 17. Qa1 Nef6 18. Rfc1 $36 {[%mdl 2048] Black is under pressure.} Rac8 19. h3 Ne4 20. Ne5 Bxe5 21. dxe5 Nec5 22. Rd2 Nxd3 23. Rxd3 Rfe8 {[%cal Rd7e5] [#]} 24. Nf4 $1 Nxe5 25. Nxd5 Qf7 26. Bxe5 Bxd5 27. f3 c6 28. h4 h6 29. Qd4 Qe7 30. Bg3 b5 31. Qb6 Rcd8 (31... Qf7 $14) 32. Kh2 {Strongly threatening Rxd5!} Kh7 33. h5 (33. Rxd5 $14 Rxd5 34. Rxc6) 33... Rg8 $2 {[%mdl 8192] [#]} (33... gxh5 $11 {and Black is okay.} 34. Qc5 Qg7) 34. Rxd5 $1 $18 Rxd5 35. Rxc6 f4 36. hxg6+ Rxg6 37. Rxg6 Rh5+ $2 (37... fxg3+ 38. Kxg3 Rg5+ 39. Rxg5 Qxg5+ 40. Kf2 Qh4+ 41. Ke2 Qg3 42. Qb7+ (42. Qxa6 Qxg2+ 43. Kd3 Qxf3 $16) 42... Kh8) 38. Kg1 fxg3 39. Rxg3 $2 {KQR-KQR} (39. Rc6) 39... Qf7 (39... Rg5 {was called for.}) 40. Qd4 Rd5 41. Qe4+ {White is clearly winning.} Kh8 (41... Rf5 $142 42. Rg4 Kh8 43. Qa8+ Kh7 44. Qxa6 Re5) 42. Rg6 Rh5 43. Qd4+ Kh7 44. Rd6 {Precision: White = 46%, Black = 40%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Drozdowski, Kacper"]
[Black "Hevia Alejano, Carlos Antonio"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2476"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,120,-5,-6,-18,-14,-17,-17,-10,0,-116,-94,-104,-74,-82,-95,-127,-118,-149,-143,-136,-60,-43,-47,-60,-35,-115,-44,-69,-69,-87,-82,-82,-80,-87,-83,-88,-45,-91,-98,-82,-98,-108,-114,-107,-115,-98,-41,-41,-41,-41,-39,-43,-43,-68,-38,-75,-64,-118,-90,-304,-289,-321,-341,-390,-391,-444,-417,-408,-429,-402,-379,-575,-516,-1139,-635,-636,-490,-920,-897,-1266,-1229,-2542,-1114,-1114,-1110,-1110,-1104,-1084,-1084,-1050,-664,-664,-664,-664,-664,-657,-657,-29959,-29960,-29988,-29989]} 1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Nc3 Nbd7 5. e3 a6 6. b3 b6 7. Bd3 Bb7 8. O-O Bd6 9. Qe2 Ne4 10. Bb2 O-O 11. Rad1 Qe7 {LiveBook: 7 Games. E14: Queen's Indian: Classical Variation (4 e3)} 12. Bb1 f5 13. Nd2 $146 ({Predecessor:} 13. g3 Rf6 14. Ne5 Rff8 15. f4 Nxe5 16. fxe5 Nxc3 17. Bxc3 Ba3 18. Qh5 g6 19. Qh6 Qd7 20. g4 dxc4 21. gxf5 gxf5 22. d5 {½-½ (22) Hernandez Onna,R (2425)-Korneev,O (2560) Valencia 1998}) 13... Nxd2 {The position is equal.} 14. Rxd2 dxc4 15. e4 (15. bxc4 $11 Rae8 16. Bc2) 15... cxb3 $17 16. axb3 Qh4 {[%csl Gd6][%cal Rh4h2] [#]} 17. f4 $1 {[%mdl 512]} Qe7 ({Much worse is} 17... Bxf4 18. g3 $11) 18. e5 Bb4 19. Rc1 Rac8 20. Rd3 Bxc3 (20... b5 $17 21. Na2 c5 22. Nxb4 cxb4) 21. Rdxc3 $15 Nb8 22. Bd3 Bd5 23. b4 (23. Qc2 $15) 23... Rf7 (23... Qxb4 $17 24. Rxc7 Nc6 25. Rxc8 Rxc8 26. Bxa6 Ra8) 24. Ba3 b5 $1 25. Qe3 c6 26. Rb1 Nd7 27. Bc1 Nb6 28. Ra3 Ra8 29. Qe1 Bc4 30. Bc2 Qd8 31. Be3 Bd5 32. Rba1 Rfa7 33. Bd3 {[#]} Nc4 (33... Bc4 $1 $17 34. Bc2 Nd5) 34. Bxc4 $1 bxc4 35. Bd2 h6 36. h3 Be4 37. Kh2 Kh7 ({Much weaker is} 37... Qxd4 $6 38. Be3 $11) 38. Be3 Bd5 39. Qd2 (39. Bd2 $15) 39... Qe7 40. Ra5 $2 (40. Qe1 $17 {might work better.}) 40... Rb7 $19 41. R1a4 {[#]} Rab8 $1 42. Rxa6 Rxb4 43. Ra7 R4b7 44. Rxb7 Qxb7 ({Less strong is} 44... Rxb7 45. Ra5 $19) 45. Ra1 Qb2 46. Rf1 (46. Qxb2 $142 Rxb2 47. Rg1) 46... Qa3 {Strongly threatening ...Rb2.} 47. Rf2 (47. Qe1 $142 Qd3 48. Qf2) 47... Rb3 48. Re2 Be4 49. Qe1 (49. Qc1 $142 Qb4 50. Qg1) 49... Rb1 50. Qh4 Qd3 51. Re1 Rb2 (51... Qc2 $142 52. Qf2 Rxe1 53. Qxc2 Bxc2) 52. Bf2 Qd2 53. Kg1 c3 {[%cal Bc4c3,Bc3c2][%mdl 32] And now ...c2 would win.} 54. Qg3 c2 55. Be3 Qd1 56. Bc1 {[#]} Rb3 $1 {[%mdl 512]} 57. Qf2 (57. Qxb3 Qxe1+) 57... Rd3 58. Kh2 Rxd4 59. Qh4 Rd2 60. Rxe4 Qxc1 {Precision: White = 29%, Black = 69%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Vazquez, Guillermo"]
[Black "Baryshpolets, Andrey"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2430"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,122,22,0,6,0,0,-10,0,-16,-18,-30,16,-63,-65,-97,-100,-100,-87,-114,-106,-105,-100,-158,-158,-159,-139,-152,-155,-174,-149,-158,-150,-138,-140,-201,-202,-228,-226,-206,-210,-202,-199,-185,-168,-214,-210,-225,-224,-254,-242,-533,-268,-295,-290,-273,-226,-254,-251,-249,-245,-268,-225,-615,-302,-379,-360,-497,-489,-481,-468,-456,-389,-385,-195,-318,-252,-5509,-705,-673,-679,-635,0,-100,0,-645,-645,-645,-639,-598,0,-25,-32,-171,0,0,25,0,0,0,8,-29985,-29986,-29997,-784,-29987,-29988,-29997,-29998,-29998,-29999]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 c5 7. Nf3 Nf6 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} 8. Be3 {LiveBook: 6 Games} (8. Be2 Nc6 9. Be3 Ne4 10. Rc1 cxd4 11. Nxd4 Nxc3 12. bxc3 Be7 13. Nxc6 bxc6 14. Qxd8+ Kxd8 15. Rd1+ {½-½ (25) Zvjaginsev,V (2688)-Sjugirov,S (2622) Moscow 2012}) 8... Qa5 9. Qb3 $146 ({Predecessor:} 9. Qc2 Nc6 10. Bd3 cxd4 11. Nxd4 Ng4 12. Nxc6 Nxe3 13. fxe3 bxc6 14. O-O Bxc3 15. bxc3 {0-1 (25) Saaresmaki,A-Nei,I (2415) Jyvaskyla 1991}) 9... Ne4 {[%cal Re4c3] The position is equal.} 10. Rc1 O-O 11. Be2 cxd4 12. Nxd4 e5 13. Nf3 (13. Ndb5 $11) 13... Nd7 $36 {[%mdl 2048] White is under pressure.} 14. a3 Bxc3+ $1 15. bxc3 Qc7 16. Qb4 Nec5 17. O-O b6 18. Nh4 (18. Ne1 $142) 18... f5 $17 19. f4 Bb7 20. Rcd1 Rae8 21. Qb1 exf4 22. Bxf4 Qd8 23. Bf3 Be4 ({Much worse is} 23... Qxh4 $6 24. Bxb7 Nxb7 25. Rxd7 $11) 24. Bxe4 (24. Qc1 $17) 24... Rxe4 $19 ({Resist} 24... Nxe4 25. c5 $17) 25. Bg3 Rxh4 26. Bxh4 Qxh4 27. Rxf5 Qxc4 28. Rxf8+ Nxf8 29. Qb4 Qe2 30. Rf1 Nfe6 {And now ...Ne4 would win.} 31. h3 h6 {Strongly threatening ...Ne4.} 32. Rf3 $2 (32. Rf5) 32... Ng5 33. Rf1 Nge4 34. Qd4 {intending Qd5+.} Ne6 35. Qe5 Qe3+ 36. Kh2 Nd2 37. Qb8+ ({Wrong is} 37. Rf8+ $2 Kxf8 38. Qxe3 Nf1+ 39. Kg1 Nxe3 $19) 37... Kh7 38. Rf5 $2 (38. Rf7) 38... Qxc3 (38... Kg6 $142 39. Rd5 Nf3+ $1 {[%mdl 512]} 40. Kg3 Neg5 41. Rxg5+ hxg5 42. Qd6+ Kh7) 39. Qxa7 Qd3 40. Qf7 Qd6+ 41. Kg1 Ne4 42. Rf1 Nd4 43. Re1 Ng5 (43... Qc5 $142 44. Kh2 Qe5+ 45. Kg1 Nc2) 44. Qa2 (44. Qe7 $142 Qg3 45. Kh1) 44... Qg3 45. Re8 $2 (45. Qb1+ Kg8 46. Qa2+ Kf8 47. Kf1) 45... Ndf3+ (45... Nxh3+ $142 46. Kh1 Nf2+ 47. Kg1 Ng4 48. Qg8+ Kg6 49. Re6+ Kh5 50. Qe8+ g6 51. Qxg6+ Kh4 52. Qxg4+ Qxg4 53. Rxh6+ Kg5) 46. Kf1 Nh2+ $1 47. Kg1 Nhf3+ $2 (47... Nxh3+ $1 $19 {has better winning chances.} 48. Kh1 Nf2+ 49. Kg1 Nhg4 50. Qg8+ Kg6 51. Qe6+ Kh5) 48. Kf1 $17 Nh2+ $2 {[%mdl 8192]} (48... Nh4 $17 49. Qc2+ Ng6) 49. Kg1 $19 {[#]} Nxh3+ $1 50. Kh1 Nf2+ 51. Kg1 {Black must now prevent Qg8+.} Nh3+ $2 (51... Nhg4 $19 52. Kf1 Qf4 53. Qg8+ Kg6 54. Qe6+ Kh5 55. Qd5+ Kh4) 52. Kh1 $11 Nf4 (52... Nf2+ $2 53. Kg1 $19) 53. Qc2+ {[#]} (53. Qb1+ $1 $15 Ng6 54. Qe1) 53... Nd3 $2 (53... Ng6 $1 $19 54. Qc4 h5) 54. Qc8 $1 {[%cal Rc8f5]} Nf4 {[%csl Gf4][%cal Rg3g2]} 55. Qf5+ Ng6 {...Ng4 is the strong threat.} 56. Qe6 {[%csl Ge8][%cal Re6g8]} h5 {( -> ...Ng4)} 57. Qxb6 $2 {[%mdl 8192]} (57. Qh3 $11 Qxh3 58. gxh3) 57... Ng4 {[%csl Gg4][%cal Rg3h2]} 58. Qb8 Qxa3 (58... Qh4+ $142 59. Kg1 Qf2+ 60. Kh1 Qf1#) 59. Qb1 Qg3 {[%csl Gg4][%cal Rg3h2] Black mates.} 60. Qb8 Qh4+ 61. Kg1 Qf2+ {Precision: White = 25%, Black = 57%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Vorontsov, Pavlo"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2379"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,126,0,0,-4,4,-13,0,0,-3,-8,-6,-4,-4,-10,-8,0,0,0,0,0,0,0,0,0,0,-15,-20,-16,0,-6,-6,-6,-6,-25,0,-62,-62,-54,-27,-79,-79,-79,-79,-79,-70,-85,-121,-77,-134,-215,-203,-206,-127,-178,-145,-143,-113,-116,-163,-254,-254,-254,-254,-254,-254,-254,-254,-310,-304,-304,-250,-250,-239,-293,-275,-324,-324,-295,-325,-405,-398,-322,-322,-304,-275,-446,-446,-446,-446,-446,0,0,0,-442,-437,-386,-378,-361,-361,-361,-361,-1218,-1139,-674,-647,-619,-611,-570,-525]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 O-O 8. O-O Re8 9. Re1 Nd7 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 10. Be3 (10. c3 Nf8 11. b4 Ng6 12. a4 Bf5 13. Be3 Nf4 14. Bxf4 Bxf4 15. Bd3 Bg4 16. Rxe8+ Qxe8 17. h3 {½-½ (47) Tazbir,M (2521)-Londyn,R (2422) Czech Republic 2017}) 10... Nf8 {LiveBook: 4 Games} 11. Qd3 Ng6 $146 {The position is equal.} ({Predecessor:} 11... Bg4 12. Nd2 Qd7 13. Bxg4 Qxg4 14. h3 Qd7 15. Ne4 Bc7 16. Nc5 Qc8 17. Bd2 Ne6 18. Nxe6 fxe6 {½-½ (58) Kevei,P (2168)-Abel,L (2284) Hungary 2004}) 12. g3 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 13. Bf1 f4 14. Bd2 Be6 15. c4 Qd7 16. Bc3 Bf5 17. Qd2 h5 18. d5 c5 19. Rxe8+ Rxe8 20. Re1 h4 {[%cal Rf4g3]} 21. Rxe8+ Qxe8 22. Nxh4 Nxh4 23. gxh4 Qe4 (23... Qe7 {looks sharper.} 24. Bd3 Bh3 25. Qe2 Qxh4 26. f3 Kf8) 24. Qe2 f3 $36 {[%mdl 2048] Black has some pressure.} 25. Qxe4 Bxe4 $11 {[%mdl 4096] Endgame KBB-KBB} 26. Bh3 f5 27. a3 ({White should play} 27. h5 $1 $11) 27... g6 $1 $15 28. b4 b6 29. bxc5 (29. b5 $1 $11) 29... bxc5 $17 30. a4 Kf7 {[%mdl 1024] Black has strong compensation.} 31. a5 {[#]} a6 $1 32. Bf1 Bf4 33. Kh1 Ke7 34. Kg1 (34. h3 $17) 34... Bc1 $19 35. Be5 Bd2 36. Bc7 Kd7 37. Bb6 Kd6 38. Bd8 Bc2 39. Bb6 {[#]} (39. h5 $142 gxh5 40. Bb6) 39... Bd1 $1 40. Bd8 Be2 41. Bb6 Bb4 42. Bd8 Bc3 43. h5 gxh5 44. h4 Bd2 45. Bb6 Bb4 46. Bd8 Bc3 47. Bh3 Bxc4 {Threatens to win with ...Bd3.} 48. Bxf5 Bxd5 49. Bg6 Bd2 50. Bxh5 c4 {[%cal Bc5c4,Bc4c3][%mdl 32]} 51. Bg6 c3 52. Bc2 $2 (52. Bd3) 52... Ke5 53. Bc7+ Kd4 54. Bb6+ Ke5 $2 (54... Kc4 $19 {Hoping for ...Kb4.} 55. Bc7 Kb4 56. Bd6+ Kxa5) 55. Bc7+ $1 $11 Kd4 $2 {[%mdl 8192]} (55... Kf6 $11) 56. Bb6+ $19 Kc4 57. Bc7 Kb4 58. Bd6+ Kxa5 59. Kh2 Bc6 60. Kg3 $2 (60. Bc7+ Kb5 61. Kg3) 60... Ba4 {Black is clearly winning.} 61. Bc7+ Kb4 62. Bd6+ Kb5 63. Bd3+ Kb6 {Precision: White = 61%, Black = 82%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "Heredia Serrano, Carla"]
[Black "Popilski, Gil"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2116"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,84,54,56,78,44,52,52,50,37,65,44,56,47,91,89,85,51,103,118,152,103,244,245,253,245,243,270,270,266,261,261,250,181,279,265,475,405,406,285,271,238,202,156,188,205,222,214,252,240,250,134,187,185,198,204,203,212,230,-178,-188,-181,-168,-170,-166,-833,-829,-916,-766]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. g3 {B01: Scandinavian Defence} (6. Ne5 Nbd7 7. Nc4 Qc7 8. a4 Nd5 9. Bd3 g6 10. Qf3 N7f6 11. Nxd5 Nxd5 12. O-O Bg7 13. c3 O-O 14. Qg3 Qxg3 15. hxg3 {½-½ (28) Caruana,F (2808)-Carlsen,M (2857) Baku 2016}) 6... Bg4 7. Bg2 e6 8. O-O Be7 9. Bf4 Qd8 10. h3 {LiveBook: 17 Games} Bh5 11. Ne2 O-O 12. c4 Nbd7 13. Nc3 $146 a6 14. Re1 Re8 15. Qd2 Nf8 16. g4 Bg6 17. Ne5 {[%cal Bf3e5,Be5g4,Bg4h6][%mdl 32]} N8d7 (17... N6d7 $14) 18. Rad1 $16 Nb6 19. a3 Qc8 {[#]} (19... Nfd7 $16) 20. h4 $1 $18 Nxg4 21. Nxg4 Bh5 22. Qe2 {And now Nh6+! would win.} e5 23. Nh6+ $1 (23. Bxe5 Qxg4 24. Qxg4 Bxg4 $17) 23... gxh6 24. Qxh5 exf4 25. Re4 Bf6 (25... Bf8 {was called for.}) 26. Rxf4 Qe6 $2 (26... Bg7 27. c5 (27. Rxf7 Nxc4 28. Nd5 Qd8 $16) (27. Qxf7+ Kh8 $14) 27... Qc7) 27. d5 cxd5 28. cxd5 Qd6 29. Qxh6 {Black must now prevent Rg4+.} Be5 30. Rg4+ Kh8 31. Qh5 Bxc3 32. bxc3 {Be4 is the strong threat.} Re7 33. Be4 {[%csl Ge4][%cal Rh5h7]} f6 34. Qf5 ({White should play} 34. Bf5 $18) 34... Rae8 (34... Nc4 $16 35. a4 Rc7) 35. Rd4 $40 {[%mdl 128] White is out for blood.} Nd7 36. a4 Ne5 37. Rg3 Ng6 38. Rg4 $4 {[%mdl 8192]} (38. h5 $18 {and all is fine.} Nf4 39. Bf3 Re1+ 40. Kh2) 38... Re5 $19 39. Qf3 {[#]} f5 $1 {[%cal Rf5g4][%mdl 512]} 40. Bxf5 Rf8 41. Rdf4 $2 (41. Rg5 Ne7 42. c4 Nxf5 43. Qc3 Re1+ 44. Qxe1 Nxd4 45. Kf1) 41... Nxf4 42. Rxf4 Qf6 {Precision: White = 61%, Black = 50%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "1"]
[White "GIYYAR, Shruthy"]
[Black "Nakar, Eylon"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-12,-8,-18,-6,-25,-2,-14,-8,-25,-9,-29,-26,-78,-50,-61,-72,-72,-45,-335,-323,-324,-336,-560,-554,-746,-752,-745,-742,-812,-799,-787,-774,-775,-700,-698,-670,-657,-652,-1063,-1033,-6207,-6295,-5286,-4981,-29987,-29988,-29989,-29990,-29991,-29992,-29998,-29999]} 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. g3 (4. d4 Bd6 5. c4 Nf6 6. c5 Be7 7. Nc3 O-O 8. Be3 b6 9. b4 a5 10. a3 Ng4 11. Bf4 Re8 12. Be2 axb4 13. axb4 Rxa1 14. Qxa1 bxc5 15. bxc5 Bxc5 16. dxc5 {½-½ (41) Carlsen,M (2857)-Sadorra,J (2560) Baku 2016}) 4... Bd6 5. Bg2 Nf6 6. O-O {C00: French: Unusual White 2nd moves} O-O 7. d4 Bg4 8. Nc3 {The position is equal.} c6 9. Re1 Nbd7 10. a3 Qb6 $146 ({Predecessor:} 10... a5 11. Bd2 Qc7 12. Qc1 Rfe8 13. Re3 Qb6 14. Rxe8+ Rxe8 {0-1 (55) Bernhard,S-Voss,A Germany 1992}) 11. b4 (11. h3 $11 Bh5 12. Qd2) 11... a5 {[%cal Ba7a5,Ba5b4,Bb4b3][%mdl 32] Threatens to win with ...Bxf3.} 12. Na4 Qc7 $36 {[%mdl 2048] Keeping White busy.} 13. c3 Ne4 {Hoping for ...b5.} 14. Qd3 $2 {[%mdl 8192] [#]} ({Better is} 14. Qc2 $15) 14... axb4 $19 15. Qc2 b5 16. Ne5 $2 (16. Nc5 Ndxc5 17. dxc5 Bxc5 18. Nd4) 16... Bxe5 17. Bxe4 dxe4 18. dxe5 b3 19. Qxe4 Rxa4 20. Qe3 Re8 {[%cal Rd7e5]} 21. f4 f6 22. Rb1 fxe5 23. Rxb3 Nf6 24. fxe5 Re4 25. Qf2 Rxe1+ 26. Qxe1 Rxe5 27. Qf1 Qe7 {Black mates.} 28. Bd2 Re2 29. Qf4 Bh3 30. Qg5 {[#]} Re1+ $1 {Precision: White = 17%, Black = 63%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Kovalyov, Anton"]
[Black "Vazquez, Guillermo"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2663"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,111,30,18,0,12,0,24,7,34,32,44,47,59,21,40,30,37,20,25,7,20,0,6,6,14,3,22,27,19,22,22,35,133,134,134,141,133,141,141,144,144,148,147,127,150,142,170,170,170,163,170,170,170,170,215,204,204,200,212,0,208,201,202,180,225,179,193,156,242,218,237,217,1131,1092,1022,812,910,564,541,515,441,422,985,909,762,741,643,579,478,306,774,785,770,761,685,716,462,299]} 1. c4 c5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d4 O-O 6. O-O cxd4 7. Nxd4 d5 8. cxd5 Nxd5 9. Nb3 {D73: Fianchetto Grünfeld: 5 Nf3} Nb4 {Black wants to play ...Qxd1.} 10. Bd2 N8c6 11. Nc3 {White has an edge.} Ne5 12. Na4 $146 ({Predecessor:} 12. Ne4 Nd5 13. Rc1 Nc6 14. Nc3 Nb6 15. Bf4 e5 16. Qxd8 Rxd8 {1-0 (37) Koneru,H (2614)-Krush,I (2455) Caleta 2010}) 12... Nbc6 13. Rc1 Rb8 14. Bf4 Bg4 15. Nc3 (15. Bxc6 {looks sharper.} bxc6 16. f3 Be6 17. Qc2 Rb5 18. Rfd1) 15... Qxd1 16. Rfxd1 Rbd8 17. h3 Bc8 18. Nd2 Nd4 19. Bxe5 Bxe5 20. Nc4 Bf6 21. e3 Nc6 22. Nd5 $36 {[%mdl 2048] White has the initiative.} Bg7 23. Na5 Nxa5 ({Black should play} 23... Rd7 $14 24. Nxb7 (24. Nxc6 bxc6 25. Rxc6 Bxb2 $14) 24... Nd4) 24. Nxe7+ $16 Kh8 {[#] aiming for ...Be6.} 25. Rxd8 Rxd8 26. Rxc8 Rxc8 27. Nxc8 Bxb2 28. Nxa7 {[%mdl 4096] Endgame KBN-KBN} Kg7 29. Bd5 Ba3 30. Kf1 f5 31. Nb5 Bc5 32. Ke2 Kf6 33. f4 h6 34. Nd4 g5 35. a4 b6 36. Kd3 Bb4 37. Ke2 Bc5 38. Nf3 Bd6 39. Kf2 Bc7 40. Kf1 Bd6 41. Ke2 Bc7 (41... Bb4 $16 42. Kd3 Bc5) 42. h4 $18 {[%cal Bh3h4,Bh4h5][%mdl 32]} gxf4 43. gxf4 ({Much less strong is} 43. exf4 Bd6) 43... Bd6 $2 {[#]} (43... h5 44. Nd4 Bd6) 44. h5 Bb8 45. Kd3 Bd6 46. Kc3 Bc5 47. Kd2 Bb4+ 48. Ke2 Bc3 (48... Ke7 $142 49. Ne5 Kf6) 49. Kd3 Bb2 50. Kc2 Ba3 51. Ne5 Ke7 52. Nf7 Nb7 $2 (52... Kf6 53. Nxh6 Bf8) 53. Nxh6 {White is clearly winning.} Nd6 54. Ng8+ Kf8 55. h6 Ne8 56. Bc6 {Precision: White = 72%, Black = 30%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Stukopin, Andrey"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2592"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,159,25,16,20,30,20,31,29,28,29,33,35,35,32,37,21,32,33,29,20,25,27,16,27,27,-22,0,0,112,105,83,52,52,52,88,77,87,81,78,0,0,0,0,0,0,0,0,0,0,-23,-13,-56,-55,-58,-59,-161,0,0,14,14,14,14,15,0,0,0,0,0,0,0,0,-34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,10,0,18,29,37,13,20,0,0,0,0,0,0,0,46,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,43,31,44,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 7. Qg4 Ng6 8. h4 h5 9. Qg3 Ba6 10. Bxa6 Nxa6 11. Ne2 {[%cal Bg1e2,Be2f4,Bf4h3,Bh3g5,Bg5h7,Bh7f6][%mdl 32] C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5} Qd7 12. a4 Nb8 (12... c5 13. O-O Rc8 14. Qd3 Nb8 15. Bg5 Nc6 16. Ng3 Nge7 17. Rfd1 cxd4 18. cxd4 Nf5 19. Nxf5 exf5 {1-0 (68) Hou,Y (2635)-Kramnik,V (2810) Medias 2016}) 13. Bg5 {White is slightly better.} Nc6 14. Qf3 Nge7 $1 15. Nf4 g6 16. Bf6 Rg8 17. Nh3 Na5 18. Ng5 Nf5 {[#]} 19. Nh7 $146 Qc6 20. Bg5 Rh8 21. Nf6+ Kf8 22. Qd3 Qc4 23. f3 c5 (23... Ne7 $11 {remains equal.}) 24. g4 $16 {Hoping for Qxc4.} Ne7 25. Qxc4 (25. dxc5 {keeps more tension.} bxc5 26. Kf2 Ng8 27. Nxg8 Rxg8 28. gxh5 Qxd3 29. cxd3 gxh5 30. Rab1) 25... Nxc4 26. a5 $1 Nxa5 27. dxc5 $1 Nec6 28. cxb6 axb6 29. Nd7+ ({Better is} 29. f4 $16) 29... Ke8 $1 $11 {[%cal Re8d7]} 30. Nxb6 Rb8 $36 {[%mdl 2048] Black has some pressure.} 31. Be3 Kd8 $1 32. Ke2 Kc7 33. Na4 Nc4 34. Bd4 Ra8 35. gxh5 Rxh5 36. f4 Rf5 37. Be3 {[#]} (37. Kf3 $15) 37... Nxe3 $2 (37... N6xe5 $1 $19 {[%mdl 512]} 38. Nb2 (38. fxe5 Rxe5) 38... Rxa1 39. Rxa1 Nxb2 40. fxe5 Rxe5 41. Ra7+ Kc6 42. Ra6+ Kd7 43. Ra7+ Ke8) 38. Kxe3 Na5 39. Nb2 Rb8 $1 40. Nd3 Nc4+ 41. Kd4 Kd7 42. Rhg1 Nd2 {aiming for ...Nf3+.} 43. Rg4 (43. Ra7+ {seems wilder.} Ke8 44. Ke3 Nc4+ 45. Ke2 Rh5 46. Rga1) 43... Rc8 44. Ra4 Ke8 45. Ne1 Kf8 (45... Ne4 $5 {[%cal Re4f2]} 46. c4 Nf2 $15) 46. Rb4 Ne4 47. c4 $1 Nf2 48. Rg3 $1 Rxf4+ 49. Ke3 Rf5 50. cxd5 exd5 51. Rf3 Rxf3+ 52. Kxf3 {[%mdl 4096] Endgame KRN-KRN} Ne4 53. Rd4 Nc3 54. Nd3 Re8 55. Ke3 Kg7 56. Rb4 Rc8 57. Nf4 Kg8 58. Kd3 Rc5 59. Rb8+ Kh7 $1 60. Rb7 Kg8 61. e6 fxe6 62. Nxe6 Rc4 63. Rg7+ Kh8 64. Rxg6 Ne4 65. h5 Nf2+ 66. Kd2 Ne4+ 67. Kc1 Rc6 68. Kd1 Nf2+ 69. Kd2 Ne4+ 70. Kc1 Rb6 71. Kd1 Rc6 72. Nf4 Rc5 73. Nd3 Rc7 74. Nf4 Rf7 {The position is equal.} 75. Rh6+ Kg7 76. Rg6+ Kh7 77. Nxd5 {Strongly threatening Ne3.} Rd7 78. c4 {Threatens to win with Ke2.} Nc3+ $1 79. Kc2 {Intending Nf6+ and mate.} Nxd5 80. cxd5 {Precision: White = 68%, Black = 67%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Baryshpolets, Andrey"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2580"]
[BlackElo "2612"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,27,32,29,51,44,39,36,36,28,33,16,27,18,19,18,23,8,13,11,34,28,25,30,42,23,42,16,33,26,21,16,45,16,37,30,37,8,8,6,6,8,32,12,15,20,70,57,75,72,84,-16,-17,-16,-13,-16,-18,-19,-20,-28,-21,-43,-22,-22,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Bd6 8. Na3 {E04: Open Catalan: 5 Nf3} (8. Bc3 O-O 9. Nbd2 Bd7 10. Qxc4 b5 11. Qxb5 Nb4 12. Qxb4 Bxb4 13. Bxb4 Re8 14. Bc5 Rb8 15. b3 a6 {0-1 (37) Eljanov,P (2765)-Harikrishna,P (2763) Stavanger 2016}) 8... O-O 9. Nxc4 Ne4 10. O-O {White is slightly better.} Nxd2 11. Ncxd2 e5 12. dxe5 $146 Nxe5 13. Ne4 Nxf3+ 14. exf3 Bf5 15. Rad1 Bxe4 16. Qxe4 Rb8 17. Qd4 a5 18. f4 Re8 19. Rd3 Re7 20. Bf3 Qf8 21. Qa4 b6 22. Kg2 g6 23. Qc2 Rbe8 24. Qc1 Qg7 25. Bc6 Rf8 26. Qc2 Qf6 27. h4 h5 28. Rf3 Bc5 29. Bb5 Kg7 30. Rd1 Re6 31. f5 Re5 {[%cal Rg6f5]} 32. fxg6 (32. Bd3 $16) 32... Qxf3+ $1 $11 33. Kxf3 fxg6+ 34. Kg2 Rxf2+ 35. Qxf2 Bxf2 {KRB-KRB} 36. Rd7+ Kh6 37. Bd3 Bc5 38. Rxc7 {The position is equal.} Re3 39. Rd7 Re7 40. Rxe7 Bxe7 {Precision: White = 53%, Black = 49%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Vorontsov, Pavlo"]
[Black "Belous, Vladimir"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2522"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,113,73,74,83,115,118,126,122,123,19,99,100,107,102,108,100,108,79,81,75,81,69,103,101,106,108,111,101,100,86,95,92,93,89,84,81,198,97,128,123,164,155,189,170,175,169,142,151,223,222,205,212,226,222,268,266,281,223,265,265,255,257,277,285,381,326,314,298,345,327,342,339,434,433,510,541,542,534,779,751,699,631,891,689,810,793,818,806,780,785,756,687,1727,633]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bc1 Nc6 10. d5 Ne7 11. h3 {[%cal Bh2h3,Bh3h4,Bh4h5][%mdl 32]} Nh6 12. h4 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} Bd7 $146 ({Predecessor:} 12... Nf7 13. h5 c6 14. g3 cxd5 15. cxd5 a6 16. hxg6 hxg6 17. a4 Bd7 18. a5 b5 19. axb6 Qxb6 {1-0 (43) Neuman,P (2457)-Vokac,M (2416) Olomouc 2017}) 13. h5 {[#] Black must now prevent hxg6.} g5 14. Nh2 {White is better.} c6 15. Ng4 ({Better is} 15. O-O $16) 15... cxd5 (15... Bxg4 $11 {remains equal.} 16. Bxg4 Nxg4 17. Qxg4 h6) 16. Nxd5 $16 Be6 17. O-O Kh8 18. Nxh6 Bxh6 19. Nxe7 Qxe7 20. b3 f5 21. exf5 Bxf5 22. Bg4 Be4 23. Qe2 Bc6 24. Be3 Bg7 25. Rad1 h6 26. Rd2 b6 27. Rfd1 Rad8 28. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Qb7 (28... e4 $16) 29. Bh3 (29. Rxd6 $18 {has better winning chances.} Rxd6 30. Rxd6) 29... Qe7 30. b5 $36 {[%mdl 2048] White is in control.} Ba8 {[#]} 31. a4 $1 Rf6 32. a5 Qc7 33. axb6 axb6 34. Rc2 {[%cal Bd2c2,Bc2c1,Bc1d1][%mdl 32]} Rg8 (34... Bb7 $16 {keeps fighting.} 35. Ra1 Rdf8) 35. Ra1 $18 Bb7 36. Ra7 Rb8 37. Rc1 Qd8 38. Rd1 Rf7 {intending ...Bf3.} 39. Ra2 Rf6 40. Bg4 Bf8 41. Ra7 Bg7 42. Qd3 Qc7 43. Bf5 Qf7 44. Bg6 (44. Bxb6 Rxf5 45. Qxd6 Rf8 $11) 44... Qe6 45. Be4 ({Not} 45. Bxb6 Bxg2 46. Kxg2 Rxb6 $18) 45... Bxe4 46. Qxe4 g4 47. Rda1 {White is clearly winning.} g3 48. fxg3 {[%cal Bf2g3,Bg3g4][%mdl 32]} Rbf8 49. Ra8 Qf7 50. Rxf8+ Bxf8 51. g4 Be7 52. Kh2 Qe6 53. Ra8+ Kg7 54. g5 hxg5 55. Bxg5 Rf8 56. Ra7 Re8 57. Qg6+ {Precision: White = 74%, Black = 27%.} (57. Qh4 $142 Qf5 58. Bxe7 Qf4+ 59. Qxf4 exf4 60. Bxd6+ Kf6 61. h6) 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Kadric, Denis"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2500"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,58,24,13,22,14,21,0,6,-6,-14,-37,-56,-43,-71,-68,-63,-75,-67,-82,-74,-85,-88,-72,-84,-138,-129,-279,-277,-279,-269,-281,-281,-334,-335,-362,-355,-422,-431,-425,-427,-383,-420,-405,-393,-464,-464,-29987,-29988,-29993,-29994]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 g6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (6... e6 7. g4 b5 8. Bg2 Bb7 9. g5 Nfd7 10. O-O Be7 11. f4 O-O 12. Qg4 Re8 13. Be3 Nc6 14. Rad1 {1-0 (51) Demchenko,A (2645)-Areshchenko,A (2652) Tbilisi 2017}) 7. Be2 Bg7 8. Be3 Nbd7 {The position is equal.} 9. g4 h5 10. gxh5 $146 ({Predecessor:} 10. g5 Ng4 11. Bf4 Nge5 12. a4 Nb6 13. Bc1 a5 14. Nd5 Nxd5 15. Qxd5 {½-½ (39) Fiszer,B (2009)-Klimkowski,J (1761) Mamaia 2017}) 10... Nxh5 11. Qd2 b5 12. O-O-O Bb7 13. Nd5 Rc8 14. f3 Bxd5 15. exd5 Nb6 16. Kb1 Nf6 {[%cal Bh5f6,Bf6e4,Be4f2][%mdl 32]} 17. Bxb6 ({Better is} 17. Bd4) 17... Qxb6 $17 18. f4 (18. Rdf1 $17) 18... Ne4 $19 19. Qe1 Nf2 20. Qg1 Rb8 21. f5 Nxh1 22. Qxh1 Qf2 23. Bg4 gxf5 24. Rd2 Qf4 25. Bf3 Rh3 26. Rf2 Qe5 {[%csl Gg7][%cal Re5b2] [#]} 27. c3 b4 {[%cal Bb5b4,Bb4c3,Bc3c2][%mdl 32]} 28. Nd4 (28. c4 $19) 28... bxc3 29. Nc6 {[#]} c2+ $1 {Precision: White = 22%, Black = 92%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Hevia Alejano, Carlos Antonio"]
[Black "Shtembuliak, Evgeny"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2496"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "191"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,191,6,6,4,6,6,8,8,2,-22,25,0,44,30,48,54,51,69,96,58,72,16,31,0,8,-20,-2,-13,0,-12,0,0,0,0,0,-6,-4,-14,-32,-48,-46,-56,-42,-40,-42,-64,-65,-60,-53,-72,-64,-55,0,-69,-31,-33,-29,-44,-32,-31,-38,-48,-52,-88,-101,-99,-34,-36,-32,-36,-35,-96,-90,-100,-96,-108,-100,-110,-107,-113,-114,-129,-96,-96,0,-131,-130,-126,-122,-120,-119,-167,-125,-135,-133,-146,-75,-83,0,-139,-124,-138,-112,-121,-98,-99,-81,-127,-108,-166,-164,-162,-145,-238,-215,-190,-126,-133,-123,-133,-126,-123,-129,-120,-8,-8,0,0,0,0,0,0,0,0,316,316,316,316,716,678,997,558,29944,29945,6246,5341,1715,490,2884,29949,29948,5073,4622,4618,29959,29962,29963,29965,29960,29963,29956,29958,29978,29979,29977,29963,29982,29983,29983,29984,29984,29985,29985,29986,29983,29984,29984,29983]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 O-O 9. Be2 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} a6 10. O-O b5 11. Nd1 {The position is equal.} (11. a3 Bb7 12. Nd1 f6 13. c3 Rc8 14. Bd3 Na5 15. Qe2 fxe5 16. fxe5 cxd4 17. cxd4 {1-0 (38) Grischuk,A (2761)-Caruana,F (2808) Paris 2017}) 11... b4 12. Rc1 a5 13. c4 (13. dxc5 {with more complications.} Nxc5 14. c4 dxc4 15. Qxd8 Rxd8 16. Bxc4 Bb7 17. Bb5) 13... bxc3 $146 (13... cxd4 {is more complex.} 14. Nxd4 Nxd4 15. Bxd4 dxc4 16. Ne3 Nb6) ({Predecessor:} 13... Nxd4 14. Bxd4 cxd4 15. cxd5 Bc5 16. Bd3 exd5 17. Bxh7+ Kxh7 18. Ng5+ Kg8 19. Qd3 g6 20. Qh3 Nf6 21. Qh6 Re8 22. Rxc5 Qb6 23. Rc7 {1-0 (23) Scherer,L-Campbell,I (1873) ICCF email 2013}) 14. Nxc3 {Black should prevent dxc5.} cxd4 15. Nxd4 Nxd4 16. Bxd4 Ba6 17. Bxa6 Rxa6 18. Na4 (18. Nb5 $16) 18... Qb8 19. Qd3 Qb7 20. b3 g6 21. Qc3 Ba3 22. Rc2 Qb5 23. Rf3 Nb8 24. Qd3 Qxd3 25. Rxd3 Rc6 26. Rxc6 Nxc6 27. Bb6 Nb4 28. Rd1 Rc8 $36 {[%mdl 2048] White is under pressure.} 29. Bc5 Nc2 30. Bb6 Bb4 31. Nb2 Rc6 32. Ba7 Ba3 33. Na4 Bb4 34. Nb2 $1 Na3 {Strongly threatening ...Nb5.} 35. Nd3 Nb5 36. Be3 Nc3 37. Ra1 Ba3 38. Kf1 Ne4 39. Bc1 Be7 40. Be3 Rc2 (40... Rc3 $17 41. Ke2 Rc2+ 42. Kf1 Ba3) 41. Ne1 $15 Rc3 42. Bd4 Rc6 43. Bb2 {[#]} (43. Ke2 $15) 43... a4 $1 $17 {[%mdl 512]} 44. bxa4 Ra6 45. Ke2 Rxa4 46. Nd3 h5 47. Kd1 h4 48. Kc2 Rc4+ 49. Kd1 Ra4 50. Kc2 $1 g5 51. fxg5 Bxg5 52. Bc1 Be7 53. Bd2 Kg7 54. Be1 Kg6 55. Kb2 Rd4 ({Black should try} 55... Nc5 56. Nxc5 Bxc5) 56. Kc2 Ra4 (56... Rc4+ $142 57. Kb3 Rd4) 57. Kb2 $1 Kf5 58. a3 Rd4 59. Kc2 Rc4+ 60. Kb3 Nc5+ 61. Nxc5 Bxc5 {[%mdl 4096] Endgame KRB-KRB} 62. Bc3 (62. a4 $17 {was worth a try.}) 62... Rg4 $19 63. Ra2 d4 64. Bb4 (64. Be1 $17) 64... Bxb4 $1 65. axb4 Kxe5 {KR-KR} (65... Ke4 $1 $19 {And now ...d3 would win.} 66. b5 Rg8 67. Re2+ Kd5) 66. Kc4 $17 {[#]} d3+ $1 {[%mdl 512]} 67. Kc3 (67. Kxd3 Rxb4) 67... Rd4 68. b5 Ke4 {Hoping for ...Ke3.} 69. b6 Rd7 (69... Rd6 $1 $17 70. b7 d2 71. Rxd2 (71. Ra4+ Ke3 $17) 71... Rc6+ 72. Kb4 Rb6+ 73. Kc5 Rxb7 74. Rd4+ Ke5 75. Rxh4 Rc7+ 76. Kb4 Kd5) 70. Kd2 $1 $11 h3 71. gxh3 {aiming for Ra4+.} Rb7 72. Rb2 e5 73. h4 {[%cal Bh3h4,Bh4h5,Bh5h6,Bh6h7][%mdl 32] Threatens to win with h5.} f5 74. h5 Kd4 $2 {[%mdl 8192] [#]} (74... Kf3 $11 75. Kxd3 e4+ 76. Kd2 e3+ 77. Ke1 Rh7) 75. h6 $1 $18 e4 76. Rb4+ Kc5 $2 {[#]} (76... Ke5 77. h7 Rxh7) 77. h7 $1 {[%cal Rh7h8][%mdl 512]} Rb8 (77... Rxh7 78. b7) 78. Ra4 {Black must now prevent b7.} Re8 79. b7 e3+ 80. Kxd3 {Threatening mate with Ra8.} e2 81. Ra1 (81. Rc4+ $142 Kd5 82. Rc1) 81... f4 (81... Kb6 $142 82. Rb1+ Kc5) 82. Kd2 (82. Rc1+ $18 Kd5 83. Rb1) 82... Kc6 83. Rb1 f3 84. Ke1 Kd5 85. b8=Q {White mates.} f2+ 86. Kxf2 e1=Q+ 87. Rxe1 Rxb8 {KR-KR} 88. Kg3 Rh8 89. Re7 Kd6 90. Ra7 Ke6 91. Kg4 Kf6 92. Kh5 Rb8 93. Kh6 Rc8 94. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rb8 95. h5 Rc8 96. Rg7 {Precision: White = 67%, Black = 51%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "RAZNIKOV, Dani"]
[Black "Heredia Serrano, Carla"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2491"]
[BlackElo "2116"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,80,43,38,54,52,63,49,86,10,32,21,28,0,16,16,28,-54,-44,-71,-74,-71,-62,-128,-24,-54,-40,-39,-17,-304,-280,-279,-276,-308,-120,-152,-150,-134,-132,-304,-108,-140,-165,-186,-178,-145,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Nc6 6. e3 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 e6 10. Nf3 Rc8 11. Bd3 b5 12. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Be7 {D14: Slav Defence: Exchange variation with ...Bf5} 13. O-O (13. Qe2 a6 14. Ne5 O-O 15. O-O Qb6 16. a4 b4 17. Nb1 Ra8 18. Bg5 Be8 19. Nd2 h6 20. Bh4 {1-0 (57) Howell,D (2684)-Melkumyan,H (2613) Minsk 2017}) 13... O-O 14. Ne5 Nc4 15. Rfc1 {LiveBook: 10 Games} h6 16. Qe2 $146 a6 17. a4 b4 18. Nxd7 (18. Bxc4 $16 dxc4 19. Nd1) 18... Qxd7 $11 19. Nd1 a5 20. b3 Nd6 21. Ba6 Rc6 22. Bb5 (22. f3 $11) 22... Nxb5 $15 23. Qxb5 Rfc8 $1 24. Rxc6 Qxc6 25. Qxa5 (25. f3 $15) 25... Qc2 ({Better is} 25... g5 $17 26. Be5 Ne4) 26. Qa6 Ne4 $1 {[%cal Bf6e4,Be4d2,Bd2b3][%mdl 32]} 27. h3 Nd2 28. Kh2 $2 {[%mdl 8192]} (28. e4 $1 $11 {and White has nothing to worry.} Nxb3 29. Ne3) 28... Nxb3 $19 29. Ra2 Qc4 $1 {[%cal Rc4a6]} ({Weaker is} 29... Qxa2 30. Qxc8+ Kh7 31. Qb7 $11) 30. Qa7 Bd8 $2 (30... Bf6 $19 {White must now prevent ...Qd3.} 31. Rb2 Nxd4 $1 {[%mdl 512]}) 31. Qd7 $17 Nc1 32. Rd2 {Threatening Qe8+.} Ba5 33. Qa7 $2 {[#]} (33. Qb5 $17 {might work better.}) 33... Bc7 $2 (33... Nb3 $1 $19 {[%cal Rb3d2] is more deadly.} 34. Rb2 Qd3 35. Rxb3 Qxb3 36. Qxa5 Qxd1 37. Qxb4 Rc1) 34. Bxc7 Rxc7 35. Qb8+ Rc8 36. Qb7 {[#]} b3 (36... Rf8 $1 $17 {...Qf1 is the strong threat.} 37. Kg3 h5) 37. a5 $11 {The position is equal.} Rc7 38. Qb8+ Rc8 39. Qb7 Rc7 40. Qb8+ Rc8 {Precision: White = 52%, Black = 44%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Prasanna Raghuram Rao"]
[Black "Duruoha-Ihemebiri, Opuriche"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2455"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,4,85,88,98,106,114,101,103,95,130,98,101,94,96,89,97,78,115,110,189,171,180,164,466,465,573,569,578,574,905,924,1055,1050,1163,1163,1139,975,1006,996,5531,5101,6237,6283,5659,5639,29990,29991,29992,29991,29991,29992,29992,29993,29993,29994,29994,29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. d3 a6 5. Ba4 Nf6 6. O-O O-O {[#]} (6... d6 $11) 7. Bxc6 $1 $16 {C78: Ruy Lopez: Archangelsk and Möller Defences} dxc6 8. Nxe5 Be6 $146 ({Predecessor:} 8... Re8 9. Nf3 Bg4 10. h3 Bh5 11. Be3 Nd7 12. Nbd2 Qe7 13. Bxc5 Nxc5 14. Qc1 {1-0 (46) Lund,P (2189)-Vegjeleki,A (2157) ICCF email 2008}) 9. Nc3 {[%cal Bb1c3,Bc3e4,Be4g3][%mdl 32] White is better.} Re8 10. Nf3 Qd7 11. e5 Nd5 12. Ne4 $36 {[%mdl 2048] Keeping Black busy.} Be7 13. h3 h6 14. Re1 Bf5 15. Ng3 Bc5 (15... c5 $16 {might work better.}) 16. d4 Bb6 17. c3 c5 $2 {[#]} (17... Bh7 18. Bd2 c5) 18. dxc5 $18 Bxc5 19. Nxf5 Qxf5 20. Qxd5 Bd6 21. g4 Qc2 22. exd6 Rxe1+ 23. Nxe1 Qe2 24. Qd2 Qe6 25. dxc7 b6 26. Qd8+ Rxd8 27. cxd8=Q+ Kh7 28. Be3 Qe4 29. Rd1 {White mates.} h5 30. gxh5 Qf5 31. Qd3 g6 32. Qxf5 gxf5 33. Rd6 f4 34. Bxf4 {Precision: White = 50%, Black = 17%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Popilski, Gil"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "2433"]
[BlackElo "2499"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,-6,-15,-37,-33,-33,-32,-27,-30,-27,-10,-29,-20,-36,-36,-42,-35,-50,-42,-47,-8,-10,2,-21,-22,-23,-9,-18,0,-123,-130,-197,-115,-535,-501,-527,-520,-498,-526,-515,-504,-897,-867,-1702,-1720,-1593,-1529,-1732,-1275,-1191,-1103]} 1. c4 g6 2. Nc3 Bg7 3. Nf3 c5 4. d3 Nc6 5. e4 d6 6. h3 {B20: Sicilian: Unusual White 2nd moves} (6. g3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bg2 Nge7 10. O-O O-O 11. Qd1 Rb8 12. Be3 Nd4 13. Qd2 a6 {0-1 (49) Eggink,R (2322)-Mista,A (2599) Warsaw 2017}) 6... e6 7. Be2 Nge7 8. O-O $1 {Black is slightly better.} O-O 9. Bf4 a6 10. Qd2 Nd4 $146 ({Predecessor:} 10... Rb8 11. Bh6 e5 12. Nh2 f5 13. Bxg7 Kxg7 {1-0 (46) Rety,J (1992)-Lunn,T (2115) Paignton 2005}) 11. Nxd4 cxd4 12. Nb1 e5 13. Bg5 f6 $36 {[%mdl 2048] White is under pressure.} 14. Bh4 g5 15. Bg3 h6 16. Na3 f5 17. exf5 $1 Bxf5 18. Rfe1 Qd7 19. Bf3 {[#]} (19. c5 $11 {remains equal.}) 19... Bxh3 $1 $17 {[%mdl 512]} 20. c5 {[#]} (20. Bd1 $17 Be6 21. c5 $1 {[%mdl 512]}) (20. gxh3 Rxf3) 20... d5 ({Resist} 20... dxc5 21. Nc4 $15) (20... Rxf3 $1 $19 {[%mdl 512]} 21. gxf3 dxc5) 21. Bxe5 $2 {[%mdl 8192] [#]} (21. Bd1 $17 {is a better chance.} Bg4 22. Bxe5 Bxe5 23. Rxe5 Bxd1 24. Rxd1) 21... Rxf3 $1 {[%mdl 512] Black is clearly winning.} 22. gxf3 {Black must now prevent Bxg7.} Bxe5 23. Rxe5 Ng6 24. Rae1 Rf8 25. Qe2 (25. Rxg5 $142 hxg5 26. Qxg5) 25... Nf4 $19 (25... Nxe5 $2 26. Qxe5 Rxf3 27. Qe8+ Qxe8 28. Rxe8+ Kg7 29. Nc2 $19) 26. Qd1 Bg2 {( -> ...Qh3)} 27. Re6 Nxe6 28. Rxe6 Bxf3 29. Qe1 Kf7 {Precision: White = 48%, Black = 63%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Kambrath, Yannick"]
[Black "Arribas Lopez, Angel"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2342"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,80,57,51,72,56,96,91,89,65,63,61,52,25,63,67,74,17,18,18,18,18,18,0,0,0,0,-110,-103,-286,-296,-523,-550,-561,-500,-579,-581,-550,-581,-563,-530,-522,-527,-448,-429,-419,-413,-396,-390,-29980,-2743,-29985,-29986,-29986,-29987,-29987,-29988,-29985,-29980]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 c5 13. Rb1 {LiveBook: 35 Partien} h5 {E99: Königsindisch (Klassisches System)} (13... f4 14. b4 b6 15. bxc5 bxc5 16. Qa4 g5 17. Nb5 a6 18. Na3 Ng6 19. Qc6 Ra7 20. Rb8 g4 21. Rxc8 Qxc8 22. Qxd6 Rc7 23. Ba5 Ne8 {0-1 (52) Zhou,J (2625)-Zhao,J (2583) Xinghua 2012}) 14. a3 $146 ({Vorgänger:} 14. b4 b6 15. bxc5 bxc5 16. Qa4 f4 17. Nd1 Rf7 18. N1f2 g5 19. h3 Bh6 20. Qa5 Qf8 21. Bc3 {1-0 (41) Dearing,E (2412)-Capucci,M (2229) England 2011}) 14... Kh7 15. b4 b6 {Weiß steht besser.} 16. bxc5 bxc5 17. Rb2 f4 18. Qb1 Bd7 19. Rb7 Qc8 20. Bd1 ({Lieber} 20. Qb3 $16) 20... g5 $11 21. Ba4 Ng6 {[%cal Be7g6,Bg6h4,Bh4f3][%mdl 32]} 22. Bxd7 Nxd7 23. Na4 g4 24. Qb5 Rb8 25. Rb1 {[#]} (25. Rxb8 $1 $11 {bleibt in der Remisbreite.} Nxb8 26. Qa5) 25... gxf3 $1 $17 26. gxf3 $2 (26. Qc6 $17 fxg2 27. Rxb8 Qxc6 28. dxc6 Nxb8 29. c7) 26... Nh4 $19 27. Ne1 $2 {[#]} (27. Qxd7 {einziger Zug.} Qxd7 28. Rxd7 Rxb1+ 29. Kf2) 27... Nf6 $1 28. Rxb8 Nxf3+ $1 29. Nxf3 Qg4+ 30. Kf2 Nxe4+ 31. Ke2 Qg2+ 32. Kd1 {Droht Tb3 und aus.} Qxf3+ 33. Kc2 Nxd2 ({Minderwertig wäre} 33... Qe2 34. Rxf8 Qxd2+ 35. Kb3 $11) 34. Kxd2 {zielt auf Txf8 ab.} Rxb8 35. Qxb8 e4 36. Qb3 $2 (36. Qe8 $19 Qd3+ 37. Kc1 Qxc4+ 38. Kd1 Qxd5+ 39. Kc2) 36... Qg2+ 37. Kd1 f3 {[%cal Bf4f3,Bf3f2][%mdl 32] Schwarz setzt Matt.} 38. Rb2 Qf1+ 39. Kc2 f2 40. Qe3 {[#]} Qd3+ $1 {[%mdl 512] Precision: Weiß = 31%, Schwarz = 80%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Andrenko, Irina"]
[Black "Hernandez Carmenate, Holden"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2146"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,96,0,-8,61,-12,-6,-30,17,-8,-14,-11,37,0,0,0,0,-6,-1,-19,29,-7,-23,-14,-9,-16,-14,-37,0,0,34,0,9,0,0,0,0,0,0,0,0,0,24,0,0,0,14,10,8,8,8,8,8,8,8,8,8,8,8,8,33,0,8,8,16,8,8,8,8,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. h4 h6 9. Nf4 Bxf4 10. Bxf4 Nf6 11. h5 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Bh7 12. c3 {LiveBook: 13 Games} Nd5 (12... Nbd7 $11) (12... Nbd7 13. Qe2 O-O 14. O-O Re8 15. Rfe1 Nd5 16. Bd2 Qh4 {½-½ (45) Ponomariov,R (2706)-Grischuk,A (2747) Almaty 2016}) 13. Bd2 (13. Bxd5 $1 $14 cxd5 14. Qg4) 13... O-O $146 ({Predecessor:} 13... Nd7 14. Qg4 Qf6 15. f4 O-O-O 16. Qh4 Qxh4 17. Rxh4 N7f6 18. O-O-O Ne4 19. Nxe4 Bxe4 {1-0 (59) Kozelsky,M (1951)-Ben,J (1617) Orlova 2016}) 14. Qf3 e5 15. O-O-O ({Of course not} 15. dxe5 Nd7 $15) 15... exd4 16. cxd4 Nb6 17. Bd3 Qd5 18. Bxh7+ Kxh7 19. Qd3+ Kh8 20. Kb1 N8d7 21. Bb4 Rfe8 22. Nf5 Re6 23. g4 a5 24. Bc3 Nf6 25. f3 Qc4 26. Qxc4 Nxc4 27. d5 Nxd5 28. Bxg7+ Kh7 29. Bd4 $1 a4 30. Rh2 a3 31. Ng7 Nxb2 32. Rg1 Re7 33. Nf5 {[#] Strongly threatening g5.} Ree8 34. g5 hxg5 35. Rxg5 Rg8 $1 {[%cal Rg8g5]} 36. Rhg2 {White wants to mate with Rg7+.} Rxg5 37. Rxg5 {[#] Threatening mate with Rg7+.} Rg8 $132 {[%mdl 2048] Black is not keeping still} 38. Rxg8 Kxg8 39. Bxb2 axb2 40. Kxb2 {[%mdl 4096] Endgame KN-KN} Nf4 41. h6 Nd3+ {The position is equal.} 42. Kc3 Ne5 43. f4 Ng6 44. Kd4 Nxf4 45. Nd6 b5 46. h7+ Kxh7 {White should prevent ...Ne6+.} 47. Nxf7 Nd5 48. Ne5 Nb4 {Precision: White = 52%, Black = 54%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.21"]
[Round "2"]
[White "Concha Munoz, Claudia"]
[Black "Preotu, Razvan"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1862"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,-25,-7,-46,-43,-68,-60,-58,-64,-48,-28,-45,-35,-43,-11,-23,0,-40,0,0,0,-4,8,0,0,-86,-91,-89,-102,-242,-87,-79,0,0,0,-21,0,0,0,0,22,0,0,0,0,-79,-72,-114,-99,-135,-139,-134,-37,-37,-42,-25,-33,-800,-785,-955,-950,-941,-941,-29985,-872,-29987,-29987]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Nf3 c5 6. dxc5 Bxc5 7. e3 d5 8. Qc2 Nc6 9. a3 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} (9. Be2 a6 10. a3 d4 11. exd4 Nxd4 12. Nxd4 Bxd4 13. O-O Qc7 14. Rad1 Be5 15. h3 Bd7 16. Be3 Bc6 {½-½ (81) Uhlmann,W (2412)-Kortschnoj,V (2566) Dresden 2010}) 9... d4 10. exd4 Nxd4 11. Nxd4 {Black is slightly better.} Qxd4 12. Nd1 b6 {[%cal Bb7b6,Bb6c5,Bc5d4][%mdl 32]} 13. Be2 $146 ({Predecessor:} 13. Bc3 Qh4 14. Bxf6 Qxf6 15. Bd3 Bb7 16. O-O Qf4 {0-1 (27) Vujovic,M (2316)-Inkiov,V (2438) Gallipoli 2000}) 13... Bb7 {Hoping for ...Qh4.} 14. Be3 Qh4 (14... Qe5 {keeps more tension.} 15. Bxc5 bxc5 16. O-O Rad8 17. Nc3 Ne4) 15. Bxc5 bxc5 16. Ne3 (16. O-O {with more complications.} a5 17. f3 Nh5 18. Nc3 Qg5 19. Rad1) 16... Nh5 17. Bxh5 Qxh5 18. O-O Rfd8 19. Rad1 Rd4 20. Rxd4 (20. b4 $11) 20... cxd4 $17 21. Qb3 Be4 $1 ({Much weaker is} 21... dxe3 $6 22. Qxb7 exf2+ 23. Rxf2 $11) 22. Nd1 (22. Nc2 $17 {was called for.}) 22... Rc8 $2 (22... Qe2 $19 23. Qb4 Bc2) 23. f3 Ba8 ({Black should play} 23... Bg6 $17 24. Nf2 Qc5) 24. Nf2 $11 Qc5 25. Rc1 Qg5 26. Rd1 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 27. Qd3 f5 28. Re1 Re8 29. c5 Qg6 30. Qb3+ (30. b4 $11 {remains equal.}) 30... Kh8 $17 31. Nh3 e4 32. Nf4 {[#]} Qf6 $1 33. Qc4 Rd8 (33... Qe5 $17 34. g3 Bc6) 34. fxe4 $15 fxe4 35. Rf1 $1 {Threatening Ne2.} e3 {aiming for ...Qc6.} 36. Ne6 $2 {[%mdl 8192]} (36. b4 $15) 36... Bd5 $19 37. Qxd5 Rxd5 38. Rxf6 gxf6 39. c6 Rd6 (39... e2 $142 40. Kf2 d3 41. Nf4 {[#]} d2 $1 {[%mdl 512]} 42. Kxe2 d1=Q+ 43. Kf2 Rd2+ 44. Kg3 Rd4 45. c7 Qb3+ 46. Kh4 Rxf4+ 47. g4 Qg8 48. c8=Q Qxc8 49. h3 Rf3 50. b3 Qg8 51. Kh5 Rxh3#) 40. c7 Rc6 {Precision: White = 32%, Black = 41%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Dragun, Kamil"]
[Black "Kovalyov, Anton"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2612"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,52,-20,-35,-33,-32,-38,-35,-20,-23,-15,-26,-14,-34,-17,-16,-16,-18,-13,-34,-20,-18,-25,-20,-16,-18,-3,-3,-8,-13,0,-7,0,-19,0,-3,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. cxd5 exd5 7. O-O c6 8. Nc3 Bf5 9. Nh4 Be6 {E06: Closed Catalan: Early deviations} 10. Qc2 {LiveBook: 3 Games} Re8 11. Rd1 (11. Bf4 Nh5 12. Nf5 Nxf4 13. Nxe7+ Qxe7 14. gxf4 Qf6 15. e3 Nd7 16. Kh1 Nb6 17. Rg1 {0-1 (102) Bjelobrk,I (2361)-Illingworth,M (2476) Sydney 2015}) 11... Nbd7 {Black is slightly better.} 12. Nf3 $146 ({Predecessor:} 12. Bd2 Nb6 13. Be1 Nc4 14. Bh1 Nd6 15. f3 Nd7 {1-0 (59) Dmitriev,I (2346)-Saduakassova,D (1916) Voronezh 2009}) 12... g6 13. Bg5 Bf5 14. Qd2 Ne4 15. Nxe4 Bxe4 16. Bxe7 Qxe7 17. Rac1 Kg7 18. Qf4 Nf6 19. Rc3 h6 20. h4 Rad8 {[%cal Ba8d8,Bd8d6,Bd6e6][%mdl 32] The position is equal.} 21. Ne5 Bxg2 22. Kxg2 Rd6 23. Rf3 Rf8 24. Qe3 Ne4 25. Qa3 a6 26. Rb3 Re6 {Precision: White = 60%, Black = 40%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Belous, Vladimir"]
[Black "Kadric, Denis"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2564"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,39,29,39,39,70,34,53,20,60,61,77,79,136,144,132,102,230,219,235,234,228,174,848,843,1381,1359,1314,1302]} 1. Nf3 g6 2. d4 d6 3. c4 Bg7 4. Nc3 Nd7 5. e4 e5 6. d5 a5 7. Be2 {A42: Modern Defence: Averbakh Variation} (7. h3 Nc5 8. Be3 h5 9. Be2 b6 10. Qc2 Bh6 11. Bxh6 Nxh6 12. O-O-O f5 13. exf5 Bxf5 14. Qd2 Nf7 {0-1 (23) Brunello,S (2567)-Andreikin,D (2732) Reykjavik 2016}) 7... Nc5 {LiveBook: 7 Games} 8. Be3 Nh6 9. Nxe5 {White is slightly better.} Bxe5 10. Bxh6 Qh4 11. Qc1 $1 {Threatens to win with Bg5.} Nxe4 12. g3 Qh3 $146 (12... Bxc3+ $142 13. bxc3 Qf6) ({Predecessor:} 12... Bxc3+ 13. bxc3 Qe7 14. O-O f5 {1-0 (28) Almeida Quintana,O (2475)-Kristiansen,J (2425) Banyoles 2006}) 13. Nxe4 $16 Qg2 14. Nf6+ $1 Bxf6 (14... Kd8 $16 {was necessary.} 15. Rf1 Bxf6) 15. Qe3+ $18 Kd8 {[#]} 16. Bg5 $1 {[%cal Rg5f6][%mdl 512]} Bxg5 (16... Qxh1+ $2 {is the wrong capture.} 17. Kd2 $18) 17. Qxg5+ Kd7 $2 {[#]} (17... Ke8 18. O-O-O (18. Qe3+ Kf8 $16) 18... Kf8) 18. O-O-O $1 {White is clearly winning.} Qxf2 19. Bg4+ f5 20. Rd2 {Precision: White = 86%, Black = 14%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Matsenko, Sergei"]
[Black "Raznikov, Danny"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2542"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,89,21,0,19,2,11,15,16,8,17,14,19,20,25,34,44,4,4,0,6,0,11,20,49,42,60,7,12,13,9,17,115,119,137,131,131,112,152,133,103,133,164,164,198,174,217,217,248,249,283,271,242,233,262,252,281,203,359,174,174,163,164,163,155,163,182,176,331,200,210,175,690,662,674,466,617,618]} 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. d4 Bg7 6. Bd3 O-O 7. cxd5 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} (7. O-O Bg4 8. h3 Bxf3 9. Qxf3 dxc4 10. Bxc4 Nbd7 11. Rd1 e5 12. d5 e4 13. Nxe4 Nxe4 14. Qxe4 Nb6 15. Qc2 Nxc4 16. Qxc4 cxd5 17. Rxd5 Qb6 18. Qd3 Rad8 19. e4 Bd4 20. Qf3 Rc8 21. a4 Rc2 22. a5 Qb4 23. Bh6 Qxb2 24. Rf1 Bg7 25. Be3 b6 26. axb6 axb6 {½-½ (26) Dubov,D (2660)-Sutovsky,E (2650) Poikovsky 2017}) 7... cxd5 8. Ne5 {LiveBook: 3 Games} b6 9. O-O {The position is equal.} Bb7 10. b3 $146 ({Predecessor:} 10. f4 Nc6 11. Nxc6 Bxc6 12. b3 Qd7 13. Ba3 Rfc8 14. Qe2 Bf8 15. Rac1 Ne4 {½-½ (15) Lorscheid,G (2345)-Genov,P (2478) Budapest 2010}) 10... Nbd7 11. f4 {[%cal Bf2f4,Bf4e5][%mdl 32]} Rc8 12. Bb2 Ne4 13. Nxe4 dxe4 14. Bc4 Nxe5 15. fxe5 Bd5 16. Rc1 Qd7 17. Ba3 {Threatening Bxd5.} Bxc4 18. bxc4 Rc7 19. Qb3 Qe6 20. c5 ({White should try} 20. Bb2 $14) 20... Qxb3 $11 21. axb3 {Threatens to win with cxb6.} bxc5 22. Bxc5 Rb8 (22... a5 $11) 23. b4 $16 Bf8 24. Ra1 e6 25. Ra3 Rxb4 26. Bxb4 Bxb4 {[%mdl 4096] Endgame KRR-KRB} 27. Ra2 a5 28. Rf4 h5 29. h4 Rc1+ {[#]} 30. Kf2 $1 Rh1 31. Rxe4 Be1+ 32. Ke2 Bxh4 33. Rxa5 Rh2 34. Kd3 Bg5 35. Ra2 Kg7 $2 {[#]} (35... Rh1 36. Ke2 Kf8) 36. Re2 (36. d5 $142) 36... Rh1 $18 37. d5 exd5 38. Rd4 Rd1+ 39. Kc2 Rg1 40. Rxd5 Bh4 $2 (40... Ra1 41. e6 f6 42. Rd7+ Kf8) 41. Kd3 Rd1+ 42. Rd2 Rxd2+ $2 (42... Ra1 43. Ke4 Kh6) 43. Kxd2 {White is clearly winning.} g5 44. Ke2 Kg6 45. Rd6+ {Precision: White = 51%, Black = 31%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Preotu, Razvan"]
[Black "Vorontsov, Pavlo"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2502"]
[BlackElo "2522"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,114,-3,0,-4,0,-15,14,0,0,0,0,-14,0,0,0,-14,0,0,0,0,0,-24,-21,-19,0,-10,-7,-5,-9,-8,-12,-33,-11,-20,-9,-7,-6,-40,-10,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 a5 (5... O-O 6. Bg2 c5 7. O-O Nc6 8. Re1 b5 9. e5 Ne8 10. Nf1 a5 11. h4 b4 12. N1h2 a4 13. Ng4 Kh8 14. a3 bxa3 15. Rxa3 c4 16. Ra1 cxd3 17. Qxd3 Nb4 18. Qd1 Bd7 {½-½ (51) Zhigalko,S (2640)-Granda Zuniga,J (2636) Khanty-Mansiysk 2010}) 6. Bg2 {C00: French: Unusual White 2nd moves} a4 7. O-O O-O {LiveBook: 21 Games} 8. Re1 $146 ({Predecessor:} 8. a3 c5 9. Re1 Nc6 10. e5 Ne8 11. Nf1 b5 12. h4 b4 13. Bg5 {½-½ (20) Lazic,M (2467)-Savicevic,V (2350) Novi Sad 2016}) 8... a3 9. bxa3 Bxa3 10. e5 Nfd7 11. Bxa3 Rxa3 12. Nd4 Nc6 13. Nxc6 bxc6 14. Nb3 Qe7 15. Qc1 Ba6 16. c4 Ra4 17. cxd5 cxd5 18. Qc6 Nb6 19. Nc5 Ra5 20. Nxa6 Rxa6 21. Rec1 Ra7 22. Rab1 Qa3 23. Qc3 Qxc3 24. Rxc3 Rfa8 25. Rc6 Kf8 26. Rbc1 $1 {The position is equal.} Ke8 27. Rxc7 Rxc7 28. Rxc7 Rxa2 $11 {[%mdl 4096] Endgame KRB-KRN} 29. Rb7 Nd7 30. d4 Kd8 31. Bf1 {[#] Strongly threatening Bb5.} Kc8 32. Rb3 Ra4 33. Rf3 f5 34. exf6 Nxf6 35. Re3 Rxd4 36. Rxe6 Re4 37. Ra6 Kb7 38. Kg2 Re7 39. Bd3 h6 40. h3 Nd7 41. Rd6 Nf6 42. Kf3 Kc7 43. Ra6 Nd7 44. Bb5 Nf6 45. Rc6+ Kb7 46. Rc2 Kb6 47. Bd3 Nd7 48. Kf4 Nc5 49. Bf1 Kc6 50. Kf5 Kd6 51. Bg2 Re6 52. Rd2 g6+ 53. Kf4 Re5 54. Kg4 Rg5+ 55. Kh4 Rh5+ 56. Kg4 Rg5+ 57. Kh4 Rh5+ {Precision: White = 70%, Black = 74%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Popilski, Gil"]
[Black "Stukopin, Andrey"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2499"]
[BlackElo "2592"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,41,0,7,0,-10,0,-3,-8,41,31,45,35,41,25,27,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nge2 c5 7. cxd5 cxd4 8. exd4 Nxd5 9. O-O Nc6 10. Bc2 b6 11. Nxd5 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3} Qxd5 12. Qd3 $146 {[%csl Gc2][%cal Rd3h7] [#]} ({Predecessor:} 12. Nf4 Qxd4 13. Qf3 Bb7 14. Rd1 Qf6 15. Qh3 g6 16. Be4 Rfd8 17. Be3 Rxd1+ 18. Rxd1 Rd8 19. Rc1 Qxb2 20. g3 Bd2 21. Bxd2 Qxd2 22. Rb1 Qxa2 23. Qh4 Rd4 {0-1 (23) Vajda,A (2400)-Negulescu,A (2445) Brasov 1998}) 12... g6 13. Bb3 Qa5 14. Bh6 {aiming for Qf3.} Ba6 15. Qf3 {White threatens Qf6 and mate.} Rfd8 $1 ({Inferior is} 15... Bxe2 16. Qf6 Qe5 17. dxe5 Bxf1 18. Qg7#) 16. Qf6 {[%csl Gh6][%cal Rf6g7] [#]} Bf8 17. Bxe6 fxe6 {The position is equal.} 18. Qxe6+ Kh8 19. Qf6+ Kg8 20. Qe6+ $1 Kh8 21. Qf6+ 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Shtembuliak, Evgeny"]
[Black "Drozdowski, Kacper"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2488"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,149,20,23,0,8,0,26,-10,6,12,10,3,10,0,10,7,27,2,25,-11,0,-49,-47,-53,0,0,15,-36,-6,-16,4,-20,-18,-50,-48,-72,-44,-42,-39,-53,-38,-51,-31,-34,-27,-33,-12,-38,-37,-35,-15,-46,60,53,99,26,26,27,26,26,26,26,25,0,19,0,33,0,8,8,196,0,101,98,119,102,221,185,196,190,200,167,164,112,163,152,190,198,312,307,305,312,312,309,309,300,300,314,398,276,398,391,363,386,369,370,350,340,445,83,62,0,379,0,90,100,116,41,127,96,327,329,307,282,637,635,29979,29979,29981,29982,29980,29980,29988,29989,29991,29992]} 1. b3 g6 2. Bb2 Nf6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 O-O (5... f5 6. Rc1 c5 7. g3 O-O 8. Bg2 Nc6 9. Nh3 g5 10. f4 h6 11. O-O d6 12. fxg5 hxg5 {1-0 (40) Rapport,R (2709)-Naiditsch,A (2711) Jurmala 2015}) 6. g3 {A01: Nimzowitsch-Larsen Opening} f5 7. Rc1 d6 8. Bg2 Nd7 {LiveBook: 13 Games} 9. Nh3 c6 10. O-O Re8 $146 ({Predecessor:} 10... Nf6 11. e3 Re8 12. Nf4 Bd7 {½-½ (20) Amiard,J-Martin,J Vincennes 1994}) 11. b4 Nf6 12. e3 Ne4 13. Ne2 Bd7 14. d3 Nf6 $1 15. Nc3 Rc8 16. a4 Ng4 17. a5 h5 18. a6 bxa6 19. Qa4 Ne5 (19... a5 $15) 20. Rfd1 $11 a5 21. bxa5 ({Better is} 21. Qxa5 $11 Qxa5 22. bxa5) 21... g5 $15 {[%cal Bg6g5,Bg5g4][%mdl 32]} 22. Qa3 Be6 $36 {[%mdl 2048] Black has good play.} 23. Ne2 Ng6 24. c5 d5 25. d4 Rb8 26. f4 g4 27. Nf2 $1 Bc8 28. a6 Nf8 29. Rb1 Qc7 30. Rdc1 Nd7 31. Bf1 Bf6 32. Nd1 h4 33. Nec3 h3 (33... Rxb1 $15 34. Rxb1 hxg3 35. hxg3 Be7) 34. Rxb8 $14 Qxb8 35. Rb1 (35. Bd3 $16) 35... Qc7 $11 36. Bd3 Nf8 37. Kf2 Ne6 38. Ne2 (38. Bxf5 $2 Nxd4 39. Bxc8 Qxc8 $19) 38... Ng7 39. Qb4 Bd8 40. Qb8 Kf8 41. Qxc7 Bxc7 42. Nc1 Ne6 $2 (42... Nh5 $11 {and Black stays safe.}) 43. Ne2 $2 (43. Bxf5 $18 Nxc5 44. dxc5 Bxf5 45. Rb7) 43... Nd8 (43... Ng7 $1 $11) 44. Ndc3 $16 Ke7 45. Na4 $1 Be6 (45... Kf6 $16) 46. Nc1 f6 47. Na2 Rg8 48. Rb3 Rf8 49. Nc1 ({White should try} 49. Rb2 $18) 49... Rg8 (49... Kd7 $16 {might work better.}) 50. Rb4 $18 Rf8 51. Nb3 $1 Rg8 {[#]} (51... Kf7 $142 52. Nb6 Ke7) 52. Nb6 $1 {[%mdl 512]} Nf7 (52... axb6 53. cxb6) 53. Na5 $1 {[%cal Ra5c6]} Nd8 54. Rb1 Rh8 55. Bc2 Rg8 56. Ba4 Bd7 {[#]} 57. Nxc6+ $1 {[%mdl 512]} Bxc6 58. Bxc6 Nxc6 59. Nxd5+ Kd8 60. Rb7 Rg7 61. Ke2 (61. Nxc7 Rxc7 62. d5 Rxb7 $15) (61. Nxf6 Rf7 $16) 61... Kc8 62. Kd3 $2 (62. Nc3 $1 $18) 62... Rf7 $16 63. Ke2 (63. Nc3 $14) 63... Kd8 $2 {[%mdl 8192]} (63... Rg7 $11) 64. Kd3 $2 ({And not} 64. Nxc7 Rxc7 65. d5 Rxb7 $11) (64. Nc3 $1 $18 {and the rest is easy.}) 64... Kc8 65. Nc3 $1 {[%mdl 1024] d5 is the strong threat. White has strong compensation.} (65. Nxc7 Rxc7 66. Rb1 Nb8 $15) 65... Rd7 {[#]} 66. d5 ({White must play} 66. Nb5 $1 $16) 66... Na5 (66... Ba5 $14) 67. Rb5 ({Stronger than} 67. Rxa7 Kb8 $15) 67... Nc6 $2 {[#]} (67... Rd8 $16) 68. Kc4 $1 $18 Nb8 69. Rb7 Nxa6 $2 (69... Bd8 70. c6 Rxb7 71. axb7+ Kc7 72. Nb5+ Kb6) 70. c6 Re7 71. Rxa7 {White mates.} Nb8 72. Nb5 Kd8 73. Kc5 Rxe3 74. Nxc7 Rc3+ 75. Kd6 {Precision: White = 56%, Black = 28%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Arribas Lopez, Angel"]
[Black "Hevia Alejano, Carlos Antonio"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2470"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,-13,-6,-12,8,2,6,0,11,4,33,34,55,21,31,19,60,52,61,52,67,22,29,29,23,29,27,21,34,33,21,31,34,0,16,6,62,56,69,87,92,87,86,79,106,108,153,165,348,345]} 1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. d3 (4. Nf3 g6 5. Bg2 Bg7 6. c3 Nge7 7. d3 e5 8. a3 a5 9. a4 O-O 10. Na3 d5 11. O-O h6 12. exd5 Nxd5 13. Nd2 b6 {½-½ (26) Ivanchuk,V (2710)-Harikrishna,P (2753) Huaian 2016}) 4... g6 5. h4 $146 ({Predecessor:} 5. Nf3 Bg7 6. Bg2 Nge7 7. O-O O-O 8. h4 e5 9. c3 d6 10. Nh2 f5 11. exf5 gxf5 12. f4 Kh8 13. Na3 Be6 14. Nf3 Qd7 15. fxe5 dxe5 {0-1 (44) Janev,E (2487)-Francisco,J (2210) Loures 2001}) 5... h5 6. Bg5 {C00: French: Unusual White 2nd moves} Qc7 7. Bg2 Bg7 8. c3 {The position is equal.} b5 9. Nf3 d6 10. O-O Rb8 11. Rd1 (11. d4 $5) 11... e5 12. Na3 Nh6 13. d4 a6 $1 {[%cal Re5d4]} 14. dxc5 dxc5 15. Qd2 Ng4 16. Qd6 Qxd6 17. Rxd6 Bb7 18. Nh2 f6 19. Nxg4 fxg5 20. Ne3 $36 {[%mdl 2048] White has some pressure.} gxh4 21. gxh4 Ne7 22. Rad1 Kf7 (22... Rf8 $11) 23. Rb6 $14 {Black must now prevent Rd7.} Rhc8 24. Rdd6 $1 Rc6 25. Rdxc6 Nxc6 {[#]} 26. Nd5 $1 Bf8 {[#]} 27. Nc7 $1 Be7 {And now ...Bd8 would win.} 28. Nxa6 Bd8 $2 (28... Bxa6 {was called for.} 29. Rxa6 Nd8) 29. Rxc6 {Precision: White = 69%, Black = 34%.} ({Less strong is} 29. Nxb8 Bxb6 30. Nd7 (30. Nxb5 Nxb8 31. Nd6+ Ke6 $16) 30... Bd8 $18) ({Worse is} 29. Nxb5 Bxa6 30. Nd6+ Ke7 $14) 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Hernandez Carmenate, Holden"]
[Black "Baryshpolets, Andrey"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2463"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,140,44,40,31,14,-2,-5,-14,-12,-10,-6,-15,0,-6,0,0,0,0,0,0,16,16,16,16,13,15,10,8,38,27,41,31,34,34,34,52,51,51,49,47,46,43,105,104,127,132,135,130,127,108,130,118,156,125,132,135,141,141,141,141,141,141,141,133,141,147,281,252,220,141,141,132,141,0,140,120,139,138,139,128,133,117,113,106,129,127,127,134,134,116,116,113,116,116,137,107,135,102,102,91,91,91,91,91,95,19,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8. f3 Bh5 9. Qb3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} (9. Nge2 e6 10. g4 Bg6 11. h4 Nb4 12. Bb1 Bxb1 13. Rxb1 Be7 14. Kf2 Nd7 15. g5 Rc8 16. a3 Nc6 17. Qg1 {0-1 (82) Wang,Y (2706)-Ma,Q (2559) Xinghua 2013}) 9... Ra7 10. Rc1 e6 {LiveBook: 4 Games} 11. Na4 $146 {White is slightly better.} ({Predecessor:} 11. Nge2 Bg6 12. Bxg6 hxg6 13. Na4 Nh5 14. Nc5 Na5 15. Qd3 Bxc5 16. Rxc5 Nc4 {0-1 (26) Roos,M (2384)-Svetushkin,D (2546) Istanbul 2004}) 11... Bg6 12. Nc5 Bxc5 13. Rxc5 Nd7 14. Rc3 Bxd3 15. Rxd3 O-O 16. Ne2 e5 17. Bg3 exd4 18. exd4 Re8 19. Re3 b5 20. Kf2 Nb6 21. Re1 Rae7 22. Rxe7 Qxe7 23. Qc3 Qf6 24. b3 Nc8 25. Nf4 {[%cal Re1e8]} Rxe1 26. Nxd5 Qd8 $1 {...Re6 is the strong threat.} 27. Qxe1 Nxd4 28. Qc3 $40 {[%mdl 128] White has some attack.} Nf5 $1 29. Qc7 {[%cal Rc7d8]} Qe8 $1 30. Bf4 h6 {[#]} (30... Nce7 $14 31. Nxe7+ Nxe7) 31. Bxh6 $1 $16 {[%mdl 512]} Qe6 (31... Nxh6 32. Qxc8) 32. Qd8+ Kh7 33. Bf4 Qc6 34. Ne3 {aiming for Qd3.} Nxe3 35. Qd3+ g6 {Hoping for ...Nd5.} 36. Bxe3 Ne7 37. Bd2 Nf5 38. g4 Ne7 39. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nd5 40. h5 Qe6 41. Qe4 Qd6 42. Ke2 Kg7 (42... Qd7 $16 43. Kf1 Kg7 44. hxg6 fxg6) 43. Qd4+ Kg8 44. hxg6 fxg6 45. Kd3 Qc6 46. Ke2 ({White should try} 46. Qe5 $16) 46... Kf7 (46... Qd6 $11) 47. Kd1 Qe6 48. Qa7+ Ke8 49. Qg7 Qd6 50. Qg8+ Kd7 51. Qf7+ Kc8 52. Qe8+ Kb7 53. Qe4 Kc8 {White must now prevent ...Nc3+.} 54. Qd4 Qe6 55. Qc5+ Kb7 56. Kc2 Qe5 57. Qf8 Qc7+ 58. Kb1 Qd7 59. Qc5 Qf7 60. f4 Qe6 61. Qd4 Kc6 62. b4 (62. g5 $16) 62... Kb7 63. Kc2 Nb6 {The position is equal.} 64. Qg7+ Nd7 65. f5 gxf5 66. g5 Qxa2+ 67. Kc1 Qa3+ 68. Kc2 Qa2+ 69. Kc1 Qa3+ 70. Kc2 Qa2+ {[%mdl 32768] Precision: White = 69%, Black = 46%. . Loss on Time!?} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Vazquez, Guillermo"]
[Black "Andrenko, Irina"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2430"]
[BlackElo "2146"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,77,41,40,57,41,39,34,43,35,37,37,53,35,80,65,86,77,84,78,102,80,62,69,118,58,57,63,140,-30,-40,-45,-22,-58,0,-43,11,23,25,27,49,35,28,0,-7,-19,0,-62,367,362,355,354,319,180,692,664,1185,1189,29995,29996]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. O-O Re8 8. h3 {E91: Königsindisch (Klassisches System)} (8. Be3 Ng4 9. Bg5 h6 10. Bc1 Nd7 11. h3 cxd4 12. Nxd4 Ngf6 13. Be3 b6 14. Qd2 h5 15. Bh6 Bb7 16. Bxg7 Kxg7 {½-½ (42) Giri,A (2764)-Carlsen,M (2851) Leuven 2017}) 8... cxd4 9. Nxd4 Nc6 10. Be3 Nxd4 11. Bxd4 {LiveBook: 3 Partien} Bd7 12. Qd2 Bc6 13. f3 $146 ({Vorgänger:} 13. Qe3 Qa5 14. f4 e5 15. fxe5 dxe5 {0-1 (59) Stern,R (2521)-Melkumyan,H (2653) Germany 2017}) 13... Nd7 14. Bf2 a5 15. b3 Nc5 16. Rab1 f5 17. exf5 gxf5 18. Rbd1 b6 19. Nb5 Qd7 20. Rfe1 Rad8 21. Bh4 Rf8 22. Qg5 (22. a3 $16) 22... Rde8 23. Nd4 $1 Bb7 (23... Kh8 $14) 24. Bf1 $2 ({Weiss braucht} 24. Bd3 $1 $16 e6 25. Bc2) 24... e5 $11 25. Nb5 Re6 26. Qd2 Rg6 (26... Rh6 $1 $15 27. Bg5 Rg6 28. Nxd6 Bxf3 29. gxf3 h6) 27. Kh1 Bh6 (27... e4 $15 28. Nc3 (28. Nxd6 Bc6 $15) 28... exf3) 28. Qf2 {Txe5! ist eine echte Drohung.} e4 29. f4 $1 Nd3 30. Bxd3 exd3 31. Re7 Qc6 {[%cal Rg6g2]} 32. Rg1 {[#] Schwarz muss nun Tc7 beachten.} (32. Bg5 $5 Bxg5 33. fxg5 Rxg5 34. Rg1 $11) 32... Bg7 33. Bg3 (33. Re3 $11) 33... h5 $2 {[%mdl 8192]} (33... Re8 $1 $15 {bleibt weiter vorne.} 34. Rxe8+ (34. Na7 $2 Qxg2+ 35. Rxg2 Rxe7 $19) 34... Qxe8) 34. Na7 $18 Qc5 {Droht ...Ld4 und aus.} 35. Rxb7 Bd4 36. Qe1 (36. Qf3 $142 Bxg1 37. Nc6 (37. Qxh5 Rg7 $11)) 36... d2 $2 (36... d5) 37. Qe2 Be3 {[#]} 38. Bf2 $1 {[%mdl 512]} Re8 (38... Bxf2 39. Qe7) 39. Qxh5 {Precision: Weiß = 45%, Schwarz = 26%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Concha Munoz, Claudia"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2379"]
[BlackElo "1862"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:38]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:10]} 4. Bg5 {[%emt 0:01:33]} Be7 {[%emt 0:00:59]} 5. e5 {[%emt 0:00:05]} Nfd7 {[%emt 0:00:23]} 6. Bxe7 {[%emt 0:00:07]} Qxe7 {[%emt 0:00:02]} 7. f4 {[%emt 0:00:10]} a6 {[%emt 0:02:04]} 8. Nf3 {[%emt 0:00:05]} c5 {[%emt 0:01:38]} 9. Bd3 {[%emt 0:00:14]} Nc6 {[%emt 0:06:01]} 10. O-O {[%emt 0:01:53]} Nxd4 {[%emt 0:10:39] C14: French: Classical System: 4 Bg5 Be7 main line} (10... b5 11. a3 g6 12. dxc5 Qxc5+ 13. Kh1 Bb7 14. Qe1 Rc8 15. Qh4 Qe7 16. Qh6 Qf8 17. Qh3 Nc5 18. Ng5 {0-1 (30) Bozanic,I (2234)-Muratovic,E (2277) Zadar 2013}) 11. Nxd4 {[%emt 0:00:28]} cxd4 {[%emt 0:00:03]} 12. Ne2 {[%emt 0:00:10]} Qc5 $146 {[%emt 0:05:54]} ({Predecessor:} 12... Qb4 13. c3 dxc3 14. bxc3 Qc5+ 15. Kh1 g6 16. Rc1 b6 17. Qe1 Bb7 18. Nd4 {0-1 (50) Rosenhain,R (1730)-Riedel,E (1758) Hannover 2015}) 13. Qe1 {[%emt 0:03:12]} f5 {[%emt 0:08:01]} 14. Qf2 {[%emt 0:19:34]} O-O {[%emt 0:04:41]} 15. Nxd4 {[%emt 0:02:09]} Nb8 {[%emt 0:01:03]} 16. Rfc1 {[%emt 0:02:13]} Nc6 {[%emt 0:14:12]} 17. Nxc6 {[%emt 0:01:15]} Qxf2+ {[%emt 0:01:16]} 18. Kxf2 {[%emt 0:00:01]} bxc6 {[%emt 0:00:01]} 19. c4 {[%emt 0:00:01]} Rb8 {[%emt 0:03:52]} 20. b3 {[%emt 0:00:16]} Rb4 {[%emt 0:02:54]} 21. Rab1 {[%emt 0:01:53]} Bd7 {[%emt 0:06:36]} 22. a3 {[%emt 0:00:19]} Rb6 {[%emt 0:00:58]} 23. b4 {[%emt 0:00:47]} Ra8 {[%emt 0:02:22]} 24. Ke3 {[%emt 0:02:51]} Kf7 {[%emt 0:02:07]} 25. Kd4 {[%emt 0:01:41]} Ke7 $16 {[%emt 0:01:20]} 26. cxd5 {[%emt 0:06:33]} exd5 {[%emt 0:01:36]} 27. Rc5 {[%emt 0:00:47]} Ke6 {[%emt 0:01:26]} 28. Ra5 {[%emt 0:00:16]} Bc8 {[%emt 0:00:08]} 29. Rc1 {[%emt 0:00:36]} g6 {[%emt 0:03:53]} 30. h3 {[%emt 0:00:19]} Rab8 {[%emt 0:01:46]} 31. g4 {[%emt 0:00:26]} Kf7 {[%emt 0:04:28]} 32. Rac5 {[%emt 0:01:49]} Bd7 {[%emt 0:01:22]} 33. gxf5 {[%emt 0:00:23]} gxf5 {[%emt 0:00:27]} 34. Rg1 {[%emt 0:00:28]} h6 {[%emt 0:00:24]} 35. Ra5 {[%emt 0:00:23]} Bc8 {[%emt 0:03:05]} 36. Kc5 {[%emt 0:00:16]} Bd7 {[%emt 0:02:21]} 37. Bxa6 {[%emt 0:00:31]} Be6 {[%emt 0:00:49]} 38. Be2 {[%emt 0:00:11]} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Heredia Serrano, Carla"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2116"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,31,44,35,43,42,42,39,39,43,43,41,39,-2,59,6,15,9,0,-61,23,30,75,0,0,12,27,-38,-29,-67,-7,-121,-108,-108,-109,-289,-279,-591,-601,-591,-594,-828,-827,-826,-822,-891,-873,-1237,-1208,-5302,-1665]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Ne7 6. Qe2 Ng6 7. h4 h5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} 8. e5 f6 9. Qe4 Kf7 {LiveBook: 35 Games. White is slightly better.} 10. b3 $146 ({Predecessor:} 10. Nbd2 d5 11. exd6 Qxd6 12. Nb3 Qd5 13. Be3 Qxe4 14. dxe4 c4 15. Nbd2 {1-0 (42) Solodovnichenko,Y (2576)-Nataf,I (2535) Chartres 2017}) 10... Nxe5 11. Nxe5+ fxe5 12. Bb2 d6 13. Nd2 {[%mdl 1024] White has compensation.} Kg8 14. O-O-O Rb8 15. Rdf1 Be7 (15... Rb4 $11 16. c4 Qe8) 16. f4 (16. g3 $14) 16... exf4 $11 {And now ...e5 would win.} 17. Qxf4 {White threatens Qf7+ and mate.} (17. Rxf4 e5 $17) 17... Qe8 $1 18. Nf3 ({White should play} 18. Nc4 $11 Rb4 19. Nxd6 Rxf4 20. Nxe8 Rxf1+ 21. Rxf1) 18... Qg6 ({And not} 18... e5 19. Nxe5 $1 {[%mdl 512]} Rb4 20. Nc4 $18) (18... Rb4 $15 19. c4 e5) 19. Qa4 ({Of course not} 19. Ng5 Rb4 $15) 19... Kh7 ({But not} 19... Qxg2 $2 20. Rhg1 $18) 20. Qxc6 (20. g4 $16) 20... e5 21. Kb1 Re8 22. Bc1 (22. Rf2 $11) 22... Bb7 $36 {[%mdl 2048] Black has good play.} 23. Qa4 e4 (23... Qg4 $15 24. Qxa7 e4 25. dxe4 Bxe4) 24. dxe4 (24. Ng5+ $1 $11 {keeps the balance.} Bxg5 25. hxg5 exd3 26. Qg4 dxc2+ 27. Kb2) 24... Bxe4 $17 25. Rf2 Rb4 26. Qd7 $2 {[#]} (26. Qa5 $17 {was worth a try.}) 26... c4 $1 $19 {[%cal Rc4b3]} 27. Bb2 $2 (27. Ka1 cxb3 28. cxb3) 27... cxb3 {Black is clearly winning.} 28. axb3 Rxb3 29. Ka1 Rb7 30. Qa4 Reb8 31. Bc3 Rc8 32. Bb2 Bxc2 33. Qd4 Rxb2 {Precision: White = 26%, Black = 47%.} (33... Rc6 $142 34. Rxc2 Rxc2) 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "3"]
[White "Giyyar, Shruthy"]
[Black "Kambrath, Yannick"]
[Result "0-1"]
[ECO "B80"]
[BlackElo "2342"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:13]} 3. d4 {[%emt 0:00:33]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:01:50]} Nc6 {[%emt 0:00:19]} 5. Be3 {[%emt 0:01:33]} Nf6 {[%emt 0:01:31]} 6. Nc3 {[%emt 0:00:51]} a6 {[%emt 0:00:39]} 7. g3 {[%emt 0:01:29]} d6 {[%emt 0:04:04]} 8. Bg2 {[%emt 0:02:26]} Bd7 {[%emt 0:00:18]} 9. O-O {[%emt 0:02:06]} Be7 {[%emt 0:00:16]} 10. Re1 {[%emt 0:02:59]} O-O {[%emt 0:00:55]} 11. Qd2 {[%emt 0:02:14]} Ne5 {[%emt 0:02:24]} 12. b3 {[%emt 0:03:18]} Rc8 {[%emt 0:01:51]} 13. a3 {[%emt 0:06:00]} Neg4 {[%emt 0:03:21]} 14. f4 {[%emt 0:10:08]} Nxe3 {[%emt 0:05:49]} 15. Rxe3 {[%emt 0:01:10]} Ng4 {[%emt 0:03:16]} 16. Re2 {[%emt 0:04:24]} Qb6 {[%emt 0:11:08]} 17. Kh1 {[%emt 0:05:03]} Bf6 {[%emt 0:03:04]} 18. e5 {[%emt 0:06:37]} dxe5 {[%emt 0:03:10]} 19. fxe5 {[%emt 0:01:39]} Bxe5 {[%emt 0:03:24]} 20. Rd1 {[%emt 0:03:42]} Rfd8 {[%emt 0:06:21]} 21. Ne4 $19 {[%emt 0:06:41]} (21. h3 $142 Bc6 22. Nxc6 Rxd2 23. Rdxd2 bxc6 24. Na4) 21... Bb5 {[%emt 0:04:42]} 22. c3 {[%emt 0:12:20]} Bxd4 {[%emt 0:04:57]} 23. cxd4 {[%emt 0:06:50]} Bxe2 {[%emt 0:00:26]} 24. Qxe2 {[%emt 0:00:46]} Rxd4 {[%emt 0:05:52]} 25. Qxg4 {[%emt 0:03:57]} Rxd1+ {[%emt 0:00:28]} 26. Qxd1 {[%emt 0:00:49]} Qe3 {[%emt 0:00:20]} 27. Nd2 {[%emt 0:03:43]} Rd8 {[%emt 0:00:15]} 28. Qc1 {[%emt 0:01:07]} Qxd2 {[%emt 0:00:29]} 29. Qxd2 {[%emt 0:02:29]} Rxd2 {[%emt 0:00:07]} 30. Bxb7 {[%emt 0:00:07]} Rd3 {[%emt 0:00:48]} 31. a4 {[%emt 0:02:18]} a5 {[%emt 0:00:46]} 32. b4 {[%emt 0:01:35]} axb4 {[%emt 0:00:31]} 33. a5 {[%emt 0:01:07]} b3 {[%emt 0:00:28]} 34. Be4 {[%emt 0:00:23]} Rd4 {[%emt 0:00:08]} 35. Bb1 {[%emt 0:01:03]} Rd1+ {[%emt 0:00:15]} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Stukopin, Andrey"]
[Black "Heredia Serrano, Carla"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2592"]
[BlackElo "2116"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,0,49,46,92,79,81,96,96,91,129,120,121,123,124,49,139,130,132,140,149,131,152,157,159,150,152,147,158,158,184,183,229,159,218,164,301,308,312,325,352,252,264,143,141,129,185,170,146,139,145,143,164,47,114,0,48,52,52,55,45,-402,0,-359,56,60,101,44,113,97,994,996,29997,29998,29998,29999]} 1. e4 c6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. h3 (5. d4 Nxc3 6. bxc3 c5 7. Rb1 Nc6 8. dxc5 e6 9. Bd3 Bxc5 10. O-O h6 11. Qe2 O-O 12. c4 Nb4 13. Be3 Nxd3 14. cxd3 Bxe3 15. Qxe3 dxc4 16. dxc4 {½-½ (32) Short,N (2698)-Tari,A (2588) Douglas 2017}) 5... Bf5 6. Ne2 {B11: Caro-Kann: Two Knights Variation} e6 7. d3 Nc5 8. g4 $1 {[%cal Rg4f5] White is better.} Bg6 9. Nf4 $1 Be7 10. h4 h6 11. Nxg6 fxg6 12. d4 $146 (12. c3 $16) ({Predecessor:} 12. g5 h5 {0-1 (47) Lima,D (2496)-Shumyatsky,V (2382) Brasilia 2011}) 12... Ncd7 (12... Ne4 $14) 13. Bd3 $16 Nf8 14. c3 c5 15. Qc2 Kf7 16. dxc5 Bxc5 17. Bf4 Nc6 18. O-O-O Rc8 19. Kb1 $1 Qe8 20. Bg3 Ne7 21. Ne1 Nd7 (21... h5 $16) 22. f4 Rf8 (22... h5 $142) 23. h5 $18 gxh5 24. Rxh5 Kg8 25. Ng2 d4 26. Bc4 (26. Bh7+ $18 Kh8 27. Nh4 (27. cxd4 Bxd4 28. Qe2 Kxh7 $11)) 26... Nd5 $16 {Threatening ...N7b6.} 27. Qe4 (27. cxd4 $6 Be7 $14) 27... dxc3 (27... Bb6 $16 {was necessary.} 28. Bxd5 (28. Bd3 N7f6 $14) 28... exd5 29. Qxd5+ Kh8) 28. Rxd5 $1 $18 (28. Bxd5 Bf2 $11) 28... c2+ 29. Qxc2 exd5 30. Bxd5+ Kh8 31. Qd3 (31. Nh4 $18 {aiming for Ng6+.} Be3 32. Bc4 (32. Ng6+ $2 Qxg6 33. Bc4 Rxc4 $19)) 31... Nb6 (31... Be7 $1 $14) 32. Nh4 (32. Bxb7 Rd8 $17) (32. Bb3 $1 $16 {[%cal Rb3c2]} Rd8 33. Qe2) 32... Be3 {[%csl Ge3][%cal Rc8c1]} 33. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} (33. Ng6+ Qxg6 $1 {[%mdl 512]} 34. Rh1 Rc1+ $1 {[%mdl 512]} 35. Rxc1 Qxd3+ 36. Ka1 Bxc1 37. Be1 Qc2 38. Bc3 Bxb2+ $1 {[%mdl 512]} 39. Bxb2 Qd1+ 40. Bc1 Qxc1#) (33. Qxe3 $2 Nxd5 34. Qe4 Nf6 $1 $19 {[%mdl 512]}) 33... Nxd5 ({Avoid the trap} 33... Rc1+ $2 34. Ka2 $18) 34. Ng6+ $40 {[%mdl 128] White mounts an attack.} Kg8 35. Nxf8 $4 {[%mdl 8192] [#]} (35. Qxd5+ $14 {was the only good move.} Qf7 36. Ne7+ Kh8 37. Qxf7 Rc1+ 38. Ka2 Rxf7 39. Ng6+ Kh7 40. e6 Kxg6 41. f5+ Kf6 42. Bh4+ g5 43. fxg6+ Kxe6 44. gxf7) 35... Rc1+ $1 $19 36. Ka2 Nb4+ $2 (36... Qc6 $19 {Hoping for ...Bc5.} 37. Bh4 Rc2) 37. axb4 $14 {Black must now prevent Qh7+.} Qa4+ 38. Qa3 Qd1 (38... Qxa3+ $14 39. bxa3 Kxf8) 39. Qb3+ $16 Kxf8 $4 {[%mdl 8192]} (39... Qxb3+ $16 40. Kxb3 Kxf8) 40. Rf5+ $18 Ke8 41. Qe6+ Kd8 42. Rf8+ {Precision: White = 64%, Black = 31%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Baryshpolets, Andrey"]
[Black "Kovalyov, Anton"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2580"]
[BlackElo "2663"]
[Annotator "TA"]
[PlyCount "22"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,22,0,8]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Nc3 Nbd7 8. Bf4 $146 ({Predecessor:} 8. Qd3 b6 9. b3 Ba6 10. e4 Qc8 11. Bb2 Rd8 12. Rac1 Nc5 13. dxc5 dxe4 14. Qe2 exf3 15. Qxf3 Rd2 16. Na4 bxc5 17. Rcd1 Rxd1 18. Rxd1 {1-0 (27) Sarana,A (2543)-Fedoseev,V (2733) Sochi 2017}) 8... Nh5 9. Bc1 Nhf6 10. Bf4 Nh5 11. Bc1 Nhf6 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Vorontsov, Pavlo"]
[Black "Arribas Lopez, Angel"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2522"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,51,-15,-23,-21,-19,8,17,11,13,14,-12,22,33,38,15,8,2,4,17,18,16,41,43,35,17,8,0,0,0,0,0]} 1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. Nf3 d6 6. O-O c6 7. d3 Re8 8. Rb1 a5 9. a3 e5 10. Bg5 h6 11. Bxf6 Bxf6 12. Nd2 Bg7 {A24: English Opening vs King's Indian: Lines without ...Nc6} 13. Qc2 {[#]} h5 $146 ({Predecessor:} 13... Be6 14. b4 axb4 15. axb4 Nd7 16. b5 Qc7 17. Rb2 Ra3 18. Rfb1 Nc5 19. Nde4 Nxe4 20. Nxe4 {1-0 (63) Kasimdzhanov,R (2685)-Ganguly,S (2644) Guangzhou 2010}) 14. b4 axb4 15. axb4 h4 16. b5 hxg3 (16... h3 {feels hotter.} 17. Bh1 Be6 18. Ra1 Rxa1 19. Rxa1 d5) 17. hxg3 Be6 18. bxc6 bxc6 19. Ra1 Rxa1 20. Rxa1 Qc7 21. Ra8 f5 22. Qb3 Rd8 23. Na4 Bf6 {The position is equal.} 24. Qb4 d5 25. Nc5 Bf7 26. Qb7 {Precision: White = 50%, Black = 60%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Preotu, Razvan"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2502"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,147,0,13,22,20,2,12,0,0,0,0,0,0,-20,14,0,4,0,21,0,64,66,79,60,203,190,233,220,290,274,305,289,316,298,308,266,441,284,493,498,501,496,496,496,483,490,461,478,457,472,465,388,444,389,508,501,555,472,531,534,511,474,434,336,376,217,213,208,210,207,208,207,207,207,202,33,33,33,113,33,33,33,61,61,121,121,117,120,121,121,134,72,72,72,72,72,72,25,25,0,0,0,0,0,25,0,32,32,32,32,32,32,49,32,32,32,32,32,32,31,32,25,25,25,28,31,47,0]} 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 Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Qd3 Nd7 {LiveBook: 28 Games} 12. O-O-O g6 13. Kb1 Nc5 14. Qf3 Bg7 15. Nec3 {[#]} b5 $146 16. Ne3 h4 17. Ncd5 O-O 18. Rg1 Rc8 19. g3 {[%cal Bg2g3,Bg3f4,Bf4f5][%mdl 32]} Kh7 (19... Bh6 {is more complex.} 20. Bg2 Na4 21. Ng4 Bg7 22. Nge3 Bh6) 20. Bd3 (20. Bg2 {keeps more tension.} a5 21. Qe2 b4 22. f4 a4 23. f5) 20... Nxd3 (20... Rh8 $11) 21. Rxd3 $14 Rh8 22. Qg2 Rg8 (22... hxg3 $14 23. fxg3 Bh6) 23. f4 $1 $18 exf4 24. gxf4 Bh8 25. Qf3 Rc4 26. f5 (26. Nxc4 bxc4 27. Rdd1 Bxd5 $18) 26... Bxd5 27. Nxd5 {Threatens to win with fxg6+.} (27. Rxd5 Rc5 $18) 27... Be5 28. Qg4 {And now Rf3 would win.} Rg7 $2 (28... Bf6 29. a3 Rd4 30. Rxd4 Bxd4) 29. Rf3 Kh8 $2 (29... Kg8) 30. fxg6 fxg6 31. Rgf1 {White wants to mate with Rf8+.} Rc8 32. Rf7 {Hoping for Ne7.} Rb8 33. Ne7 Qxe7 34. Rxe7 Rxe7 35. Qxg6 Rg8 36. Qh6+ Rh7 37. Qe6 Rhg7 38. a3 a5 39. Rf7 {White threatens Qh6+ and mate.} Rxf7 40. Qxf7 {[%mdl 4096] Endgame KQ-KRB} Rg1+ 41. Ka2 Rg2 42. Qc7 a4 43. b3 (43. b4 $142) 43... Rg1 {[%csl Ge5][%cal Rg1a1]} 44. Qb8+ $1 Kh7 {[%csl Ge5][%cal Rg1a1]} 45. Qa7+ $1 Rg7 46. Qf2 Rg3 47. bxa4 bxa4 48. Qa7+ $2 ({White must play} 48. c4 $1 $18 {[%cal Rc4c5]} Kg7 49. c5 Rxh3 50. c6) 48... Kh6 49. Qd7 Kg5 {[#]} ({Black should play} 49... Kg6 $14) 50. Qf5+ (50. Qxa4 $6 Rxh3 51. Qd7 Rc3 $11) (50. c4 $1 $16) 50... Kh6 $14 51. Qf1 Kg5 52. Kb1 Kg6 ({Better is} 52... Rc3 $14) 53. c4 Rb3+ 54. Kc2 Rxa3 55. Qf5+ Kg7 {[#]} 56. c5 (56. Qe6 $142 $1) 56... Rc3+ $16 57. Kd2 Rxc5 {...Bc3+ is the strong threat.} 58. Qd7+ Kf6 59. Qd8+ Kg6 60. Qxh4 a3 {With the idea ...Bc3+.} 61. Qg4+ Kh6 62. h4 a2 63. h5 {[%csl Gh5][%cal Rg4g6]} Bc3+ (63... Rd5+ $5 64. exd5 Kh7 65. Qg6+ Kh8 66. Qh6+ Kg8 67. Qg6+ Kf8 68. Qf5+ Ke7 69. Qg5+ Kf8 70. Qd8+ Kg7 71. Qe7+ (71. Qg5+ Kf8 $11) 71... Kh6 $11) 64. Kd3 {[%csl Gh5][%cal Rg4g6]} Rg5 ({Wrong is} 64... Kh7 $2 65. Qg6+ Kh8 66. Qh6+ (66. Qxd6 Bg7 $11) 66... Kg8 67. Qe6+ (67. Qxd6 a1=Q $15) 67... Kh7 68. Qxa2 $18) 65. Qe6+ Kxh5 66. Qxa2 Be5 67. Qf7+ Kh4 68. Qf2+ Bg3 69. Qf1 Rc5 70. Qf6+ Kg4 71. Ke3 Be5 72. Qf5+ Kh4 73. Qf2+ Kg4 74. Qf5+ {Precision: White = 64%, Black = 53%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Popilski, Gil"]
[Black "Matsenko, Sergei"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2499"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,21,16,15,-7,0,4,8,-5,3,-23]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 {[%cal Bf8b4,Bb4a5,Ba5b6][%mdl 32]} 4. exd5 exd5 5. Bd3 Nc6 6. a3 Ba5 7. Be3 Nge7 {LiveBook: 28 Games. The position is equal.} 8. b4 {C01: French: Exchange Variation} (8. Qf3 Be6 9. Nge2 Qd7 10. O-O Bg4 11. Qg3 O-O 12. Nf4 Bxc3 13. bxc3 Kh8 14. c4 Bf5 15. cxd5 Nxd5 16. Bxf5 Qxf5 17. Nxd5 Qxd5 {½-½ (72) Harikrishna,P (2706)-Edouard,R (2658) Caleta 2014}) 8... Bb6 9. Nce2 Nf5 {[%cal Rf5d4]} 10. Nf3 a5 $146 ({Predecessor:} 10... Qe7 11. Qd2 Nxe3 12. fxe3 O-O 13. c3 Bg4 14. Kf2 Bxf3 15. gxf3 Qh4+ {0-1 (60) Morvay,M (2255)-Koczka,Z (2280) Hungary 1997}) 11. c3 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Hevia Alejano, Carlos Antonio"]
[Black "Duruoha-Ihemebiri, Opuriche"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2496"]
[BlackElo "902"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,131,134,123,158,154,145,146,148,121,154,157,170,110,333,247,395,400,377,365,481,484,612,429,429,429,440,441,441,434,429,428,427,425,579,575,864,862,831,804,1010,987,2967,3051,29983,29984,29986,29987,29990,29991,29993,29994,29994,29995,29996,29996]} 1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Bd6 (4... Nf6 5. exd5 exd5 6. Bb5 Bb4 7. O-O O-O 8. Bxc6 bxc6 9. Ne5 Bxc3 10. bxc3 Ne4 11. f3 f6 12. Ba3 Nd6 13. Nxc6 Qd7 14. Bxd6 cxd6 15. Nb4 Bb7 16. Qd2 Rfc8 17. Rfe1 {½-½ (43) Dominguez Perez,L (2760)-Jobava,B (2713) Tromsoe 2014}) 5. exd5 exd5 6. Nxd5 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} Nf6 7. Bg5 Be7 $146 ({Predecessor:} 7... Bg4 8. Qe2+ Ne7 9. Bxf6 Be6 10. Nxe7 Bxe7 11. Bxg7 Rg8 12. Be5 Qd7 13. Qd3 Bf5 14. Qd2 {1-0 (42) Vodila,V (1468)-Vertes,I Miskolc 2008}) 8. Nxe7 {White is clearly better.} Qxe7+ 9. Be2 Bf5 10. O-O O-O-O 11. Re1 (11. c3 $18) 11... Rd6 $2 {[#]} (11... Qb4 $16 {was worth a try.}) 12. Bb5 Qd8 (12... Re6 $142 13. Rxe6 Qxe6) 13. Bxc6 $18 Rxc6 14. Ne5 $1 {[%csl LRc6,LRf7]} Rd6 15. Nxf7 Rxd4 16. Nxd8 Rxd1 17. Raxd1 ({Don't do} 17. Rexd1 Rxd8 18. c3 Rd7 $18) 17... Rxd8 18. Rxd8+ Kxd8 {[%mdl 4096] Endgame KRB-KBN} 19. c3 Kd7 20. Bxf6 gxf6 {KR-KB} 21. f3 Kc6 22. g4 Bd7 23. Re7 h6 24. Rh7 b6 25. Rxh6 Kb7 26. Rxf6 Ka6 27. h4 {White mates.} Ka5 28. h5 c5 29. h6 b5 30. h7 b4 31. c4 a6 32. h8=Q {Precision: White = 72%, Black = 16%.} 1-0

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Hernandez Carmenate, Holden"]
[Black "Vazquez, Guillermo"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2463"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,14,25,25,18,18,17,22,24,10,10,1,28,20,21,18,14,13,51,24,18,5,5,11,8,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 c5 5. Bd3 Nf6 6. c3 {A45: Trompowsky Attack} Nc6 (6... Qb6 7. Qc1 Nc6 8. Nd2 Bg4 9. h3 Bh5 10. Ngf3 Rc8 11. dxc5 Qxc5 12. O-O e6 13. Nd4 Be7 {0-1 (88) Andreikin,D (2743)-Amonatov,F (2614) Almaty 2016}) 7. Nd2 Bg4 8. Ngf3 e6 9. Qa4 Nd7 10. Bb5 Qb6 11. Ne5 Ndxe5 12. dxc5 $146 {[#]} ({Predecessor:} 12. Bxe5 Bh5 13. Nb3 f6 14. Bg3 Kf7 15. dxc5 Bxc5 16. Nxc5 Qxc5 {1-0 (59) Peng,Z (2386)-Haast,A (2266) Amsterdam 2017}) 12... Nd3+ $1 {[%mdl 512]} 13. Bxd3 Qxb2 14. O-O (14. Rb1 $5 {[%cal Rb1b2]} Qxc3 15. Be2 Bxe2 16. Kxe2 Qxc5 17. Rxb7 $11) 14... Bxc5 ({Not} 14... Qxd2 $2 {[#]} 15. Ba6 $1 $18 {[%mdl 512]}) 15. Nb3 {The position is equal.} Qa3 $1 {[%cal Ra3a4]} 16. Nxc5 Qxc5 17. Be5 O-O 18. Bxg7 $1 Kxg7 19. Qxg4+ Kh8 20. Bxh7 {Precision: White = 51%, Black = 74%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Nakar, Eylon"]
[Black "Shtembuliak, Evgeny"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2450"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,29,21,26,23,28,27,30,22,21,20,22,10,25,0,14,14,8,0,4,0,0,0,0,0,8,0,0,0,0,0,0,-43,-42,-26,-2,-28,0,-84,0,-72,-67,-54,15,4,26,43,57,41,260,248,268,252,493,513,387,384,538,257,239,12,183,16,28,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 h6 4. Ngf3 Nf6 5. Bd3 c5 6. exd5 {C03: French Tarrasch: Unusual Black 3rd moves} exd5 7. O-O c4 8. Re1+ Be7 9. Bf1 $146 {LiveBook: 6 Games} ({Predecessor:} 9. Be2 Nc6 10. b3 cxb3 11. axb3 {½-½ (33) Lu,S (2473)-Nguyen,N (2635) Mashhad 2011}) 9... O-O 10. b3 cxb3 11. axb3 Nc6 12. Bd3 Bd6 13. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} Re8 14. Bb2 Bd7 15. c4 Nb4 16. Bb1 Rxe1+ 17. Qxe1 b6 18. Ne5 Be6 19. Nf1 a5 20. Ne3 Nd7 21. f4 Nxe5 $1 22. fxe5 Bf8 23. Qe2 Qd7 24. Bd3 Nxd3 25. Qxd3 Rd8 26. h3 h5 27. Rf1 (27. Qf1 $11) 27... g6 (27... dxc4 $1 $17 28. bxc4 b5 29. cxb5 Rb8) 28. Rf6 (28. cxd5 $11 {keeps the balance.} Bxd5 29. Nxd5 Qxd5 30. Qc2) 28... dxc4 $17 29. bxc4 Bg7 (29... b5 $1 $15 30. cxb5 Rb8) 30. Qf1 $11 Qe7 31. Rf3 b5 {White must now prevent ...bxc4.} 32. d5 $1 $36 {[%cal Rd5e6,Bd4d5,Bd5d6][%mdl 2080] Black is under pressure.} Bd7 $2 (32... Bc8 $1 $14) 33. d6 $1 $18 {[%cal Rd6e7]} ({Weaker is} 33. cxb5 Rb8 $11) 33... Qe6 34. Nd5 $1 ({Worse is} 34. cxb5 Bxe5 35. Bxe5 Qxe5 $19) 34... Rf8 $2 (34... a4 35. Ne7+ Kh8) 35. Rf6 Qe8 36. c5 b4 (36... a4 $142 37. Rf3 Bc6 38. Ne7+ Kh7) 37. Qa6 (37. Ne7+ $142 Kh7 38. c6 Bxc6 39. Nxc6 Bxf6 40. Qxf6) 37... a4 {[#]} 38. Rf4 $2 (38. Ne7+ $1 $18 Kh7 39. Rf3) 38... a3 $2 {[#]} (38... Qe6 $1 $11 39. Qc4 (39. Nxb4 Qb3 $17) 39... a3) 39. Ba1 $2 (39. Ne7+ $1 $18 Kh7 40. Ba1) 39... Qe6 $1 $11 {[%cal Re6d5]} 40. Ne7+ Kh7 {The position is equal.} 41. Rxb4 Bxe5 42. Qxa3 {Kh1 is the strong threat.} Bxa1 43. Qxa1 {aiming for Kh2.} Qe3+ 44. Kh2 {Hoping for Qd4.} Qxc5 45. Qd4 {Precision: White = 43%, Black = 44%.} 1/2-1/2

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Raznikov, Danny"]
[Result "0-1"]
[ECO "B37"]
[WhiteElo "2433"]
[BlackElo "2491"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,134,-30,-30,-20,0,11,20,0,0,0,0,-25,-11,-46,-39,-26,-34,-35,-35,-68,-66,-88,-93,-87,-67,-97,-79,-100,-104,-128,-142,-176,-173,-177,-184,-228,-153,-220,-234,-240,-235,-252,-245,-248,-174,-220,-191,-228,-217,-293,-257,-284,-289,-308,-308,-320,-314,-302,-308,-321,-311,-336,-320,-345,-322,-315,-268,-261,-245,-246,-244,-232,-233,-239,-238,-303,-314,-293,-260,-275,-267,-380,-370,-392,-366,-379,-385,-403,-394,-408,-399,-707,-685,-852,-825,-1539,-1539,-1539,-1539,-1523,-1517,-1184,-1061,-29972,-29972,-29974,-29975,-29974,-29975,-29984,-29952,-29977,-29978,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987]} 1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Nb3 d6 7. e4 Bxc3+ {B37: Sicilian: Maroczy Bind with 5...Bg7, sidelines} 8. bxc3 Nf6 {LiveBook: 4 Games} 9. f3 b6 {The position is equal.} 10. Bh6 Ba6 $146 ({Predecessor:} 10... Nd7 11. Qd2 Ba6 12. f4 Qc7 13. Be2 Nc5 14. Qe3 Na5 15. Nxa5 bxa5 {0-1 (30) Andresen,S (2385)-Gustafsson,J (2205) Dresden 1995}) 11. Bg7 Rg8 12. Bxf6 $1 exf6 13. Nd4 Na5 14. Be2 Rc8 {[%cal Ba8c8,Bc8c5,Bc5h5][%mdl 32]} 15. Qd2 Bxc4 16. Qh6 Rc5 17. O-O Rh5 18. Qe3 Kf8 19. f4 Bxe2 20. Nxe2 Rc5 21. f5 g5 22. Rfd1 h5 23. Rd4 Nc4 24. Qd3 Qc7 25. Kh1 Ke7 26. h3 (26. h4 $17) 26... h4 $19 27. Rb1 Rc8 28. a4 Qd7 29. Qd1 R8c6 30. Rd3 Ne5 31. Rd2 Rc8 32. Nd4 Rxc3 33. Nb5 {[%cal Rd2d6]} R3c6 34. Nd4 Rc5 35. Nb5 Nc4 36. Re2 Kf8 37. Qd4 Kg7 38. Rg1 Qe7 39. g3 hxg3 40. Rxg3 Qe5 41. Qxe5 Nxe5 42. Nxa7 Ra8 43. Nb5 Rxa4 44. Nxd6 Rc6 45. Nb5 Rb4 46. Na3 Rc1+ 47. Kh2 b5 48. Kg2 (48. Rge3 {was worth a try.}) 48... Rd1 49. Rc3 Rd3 50. Rxd3 Nxd3 {[%mdl 4096] Endgame KRN-KRN} 51. Re3 Rb2+ 52. Kf1 Nf4 53. e5 $2 {[#]} (53. Rf3) 53... fxe5 54. Rxe5 b4 55. Nc4 Rb1+ 56. Re1 Rxe1+ 57. Kxe1 Nxh3 {KN-KN} 58. Ne3 Kf6 59. Nd5+ Kxf5 {Black mates.} 60. Nxb4 Ke4 61. Kf1 f5 {[%cal Bf7f5,Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 62. Nc2 Nf4 63. Kf2 Nd3+ 64. Kg3 f4+ 65. Kg4 f3 66. Kg3 f2 67. Kg2 Ne1+ {Precision: White = 26%, Black = 85%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Kambrath, Yannick"]
[Black "Prasanna Raghuram Rao"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2342"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,148,17,33,31,16,7,29,-20,-19,-14,-14,-12,-19,-12,-12,-27,-13,-20,-36,-48,31,27,38,30,72,68,78,67,80,14,18,0,52,51,39,0,0,-2,0,0,27,-31,-36,-56,-57,-63,-40,-45,-48,-45,-25,-34,0,-51,-49,-64,-64,-66,-75,-83,-49,-82,-33,-80,-87,-52,-35,-89,0,-82,-82,-82,-51,-68,-90,-156,-148,-160,-140,-168,-145,-145,-39,-39,0,0,0,-33,0,0,0,-29,-29,-29,-29,-41,0,0,0,0,0,0,0,0,0,-111,-106,-79,-142,-292,-217,-29969,-29971,-29970,-29968,-29971,-29971,-29978,-29979,-29979,-29980,-29986,-29983,-29983,-29984,-29984,-29985,-29985,-29986]} 1. d4 d5 2. c4 c6 3. Nf3 e6 4. b3 Nd7 5. Bb2 f5 6. g3 Ngf6 7. Bg2 Bd6 8. O-O O-O 9. Nbd2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] A90: Holländische Verteidigung (Klassisches System, Stonewall und Varianten mit Lb4)} (9... b6 10. Ne5 Bb7 11. Rc1 Rc8 12. Ndf3 Qe7 13. Nxd7 Nxd7 14. Qd2 Rfd8 15. e3 c5 16. cxd5 Bxd5 17. Qe2 Nf6 18. dxc5 Bxc5 19. Rfd1 Ba3 20. Rxc8 Rxc8 21. Qa6 Bxb2 22. Qxc8+ {1-0 (75) Demidov,M (2521)-Tomashevsky,E (2710) Sochi 2017}) 10. Ne5 a4 11. Qc2 Qe7 $146 {LiveBook: 7 Partien. Die Stellung ist ausgeglichen.} ({Vorgänger:} 11... axb3 12. axb3 Rxa1 13. Rxa1 Qe7 14. Ndf3 Ne4 15. Ne1 c5 16. N1d3 cxd4 17. Bxd4 Nxe5 18. Nxe5 {1-0 (53) Van der Lende,I (2347)-Meessen,R (2293) Belgium 2017}) 12. Rab1 Ne4 13. Nxe4 fxe4 14. f3 Nxe5 15. dxe5 Bc5+ 16. Kh1 exf3 17. exf3 Bd7 {[%cal Bc8d7,Bd7e8,Be8f7,Bf7e6][%mdl 32]} 18. f4 Be8 {Und ...Lg6 würde nun gewinnen.} 19. f5 d4 20. b4 $1 {[%cal Rb4c5]} Ba7 (20... Bxb4 $15 21. Bxd4 Rxf5) 21. c5 $14 {Und weiter mit Dc4 wäre nett.} exf5 22. Bxd4 Qe6 23. Qxa4 Bf7 {Schwarz will ...Lxc5 spielen.} 24. Qc2 Rad8 25. Bb2 (25. Bc3 $1 $16) 25... f4 $11 26. Rbd1 fxg3 (26... Rxd1 $11 27. Qxd1 fxg3) 27. Rd6 $14 Qe7 $1 {[%cal Re7h4] und nun wäre ...Dh4 stark für Schwarz.} 28. Qc3 Be6 $1 29. Qxg3 Bb8 30. Re1 (30. Rg1 {with more complications.} Rf7 31. a4 Rdf8 32. b5 Bxd6 33. exd6 Qd7 34. a5) 30... Bxa2 31. Rxd8 (31. Be4 $11) 31... Rxd8 $15 32. Qe3 Be6 33. Be4 Qh4 34. Bc3 Rf8 {[%cal Bd8f8,Bf8f7,Bf7d7][%mdl 32]} 35. Qg3 Qd8 36. Rg1 {[%csl Gg1][%cal Rg3g7]} Rf7 37. Qe3 (37. Bxh7+ $11 Kxh7 38. Qg6+ Kg8 39. Qxe6) 37... Qh4 38. Re1 Bc7 39. Bg2 Rd7 40. Be4 Qh5 $40 {[%mdl 128] Schwarz greift an.} 41. Qg3 Rd1 42. Rg1 Rxg1+ 43. Kxg1 Qd1+ 44. Kf2 $1 {[#]} Qh5 ({Doch nicht} 44... Bc4 $6 {[#]} 45. Bxh7+ $1 {[%mdl 512]} Kh8 46. Qh3 $11) ({Besser ist} 44... Bd8 $1 $17) 45. Qf4 (45. Kg1 $1 $11) 45... Bd8 $17 {Weiss muss nun ...Lg5 beachten.} 46. Bf3 Qg6 {zielt auf ...Lg5 ab.} 47. Be4 Bg5 48. Qf3 (48. Bxg6 $142 Bxf4 49. Be4) 48... Qh6 49. Kg2 Bf4 50. h3 Qg5+ 51. Kf2 Bxe5 {[#]} ({Lieber} 51... Qh4+ $17 52. Ke2 Bxh3) 52. Bxh7+ $1 $15 {[%mdl 512]} Kh8 (52... Kxh7 53. Qe4+) 53. Bxe5 Qxe5 54. Be4 Qh2+ 55. Ke3 {Beabsichtigt Dh5+ und Matt.} Kg8 56. Kd4 Qb2+ 57. Qc3 Qf2+ 58. Kd3 Bxh3 {[%cal Rh3f1]} 59. Qe5 Bf1+ 60. Kc3 {Droht De8+ und aus.} Qe1+ 61. Kc2 {[%cal Re5e8]} Qf2+ 62. Kc1 Kf7 63. Qc7+ (63. Bc2 $11) 63... Kf6 $17 64. Qd8+ Ke5 65. Qe7+ (65. Bc2 $17 {ist wohl besser.} Qf4+ 66. Kb1 Qxb4+ 67. Kc1 Qe1+ 68. Kb2) 65... Kd4 66. Bc2 $2 (66. Bg6 $19) 66... Qe3+ {Schwarz setzt Matt.} 67. Qxe3+ Kxe3 {[%mdl 4096] Endspiel KL-KL} 68. Bf5 g5 {[%cal Bg7g5,Bg5g4,Bg4g3][%mdl 32]} 69. Bg4 Be2 70. Bc8 g4 71. Bxb7 Bb5 72. Bc8 g3 73. Bh3 Kf2 74. Kd2 Bf1 {Precision: Weiß = 36%, Schwarz = 58%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Andrenko, Irina"]
[Black "Dragun, Kamil"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2146"]
[BlackElo "2612"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,42,-21,-8,-19,-8,-99,-109,-106,-103,-113,-91,-168,-159,-251,-259,-1185,-1154,-3337,-3190,-2278,-2200]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 {[%cal Bg8f6,Bf6g4,Bg4h6,Bh6f5,Bf5h4][%mdl 32]} 5. O-O d6 6. c3 O-O 7. Nbd2 a6 8. Bb3 Ba7 9. Re1 Ng4 10. Re2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Kh8 11. h3 f5 12. exf5 Nh6 {LiveBook: 3 Games} 13. d4 $146 {[%cal Rd4e5]} ({Predecessor:} 13. g4 Nxf5 14. gxf5 Bxf5 15. Ne4 d5 16. Neg5 Qd6 17. d4 exd4 {½-½ (33) Onischuk,V (2610)-Schroeder,J (2539) Riga 2017}) 13... exd4 14. cxd4 (14. Nf1 $11) 14... Nxf5 $17 15. d5 Ncd4 16. Re4 Bd7 17. g4 (17. Bc4 $17 {is a better defense.}) 17... Nh4 18. Nxd4 (18. Rxd4 $17 Bxd4 19. Nxd4) 18... Bxd4 $19 19. Re2 $2 (19. Rxd4 Qf6 20. Ne4 Nf3+ 21. Kh1 Qxd4 22. Qxd4 Nxd4 23. Be3 Nxb3 24. axb3) 19... Qf6 {Black is clearly winning.} 20. Ne4 Qf3 {[%csl Gh4][%cal Rf3g2] [#]} 21. Qf1 Bb5 {Precision: White =  8%, Black = 93%.} 0-1

[Event "Texas Collegiate chT 2017"]
[Site "Brownsville"]
[Date "2017.10.22"]
[Round "4"]
[White "Concha Munoz, Claudia"]
[Black "Belous, Vladimir"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1862"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2017.??.??"]
[EventType "team-tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,140,10,18,-20,-7,-28,-12,-8,-8,-13,37,36,34,-9,-12,-9,-10,-8,-5,-22,-29,-20,-20,-22,-18,-20,-12,-14,-8,-8,-8,-8,-7,-6,-7,-7,-7,-7,-7,-7,0,-7,-1,-8,-8,-8,-5,-14,-14,-14,-14,-14,-14,-14,-14,-14,-14,-21,-21,-31,-31,-31,-31,-31,-29,-23,-8,-8,-8,-16,-6,-8,-8,-16,0,-8,-12,-36,-1,-21,0,0,0,0,0,0,0,0,0,0,8,8,8,8,7,4,12,0,12,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,-47,-47]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Rc1 Qa5 9. Qd2 cxd4 10. cxd4 Qxd2+ 11. Kxd2 O-O 12. Bc4 Nc6 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 13. Ne2 Rd8 {[%cal Rc6d4] LiveBook: 4 Games} 14. d5 (14. Rhd1 Bxd4 15. Nxd4 Nxd4 16. Ke1 Nc6 17. Rxd8+ Nxd8 18. Bd5 Nc6 19. Bxc6 bxc6 20. Rxc6 {½-½ (49) Kramnik,V (2796)-Svidler,P (2740) Nizhnij Novgorod 2013}) 14... e6 {The position is equal.} 15. Rhd1 exd5 $146 ({Predecessor:} 15... Na5 16. Ke1 Nxc4 17. Rxc4 exd5 18. exd5 b6 19. Rc7 Be5 20. Rc2 Bd7 21. Nd4 Bxd4 22. Rxd4 Rac8 23. Rxc8 Rxc8 {½-½ (23) Ruff,R (1827)-Nusser,J (1843) Stuttgart 2010}) 16. Bxd5 Nb4 17. Ke1 Be6 {[%cal Rb4d5]} 18. Bxb7 Rab8 {[#] aiming for ...Rxd1+.} 19. Bd5 (19. Bf4 {with more complications.} Nc2+ 20. Kf1 Rxd1+ 21. Rxd1 Rxb7 22. Rd8+) 19... Nxd5 20. exd5 Rxd5 21. Rxd5 Bxd5 22. Nf4 Bxa2 {...a5 is the strong threat.} 23. Bxa7 Re8+ 24. Kf1 Bb3 25. Be3 Be5 26. g3 g5 27. Nd3 Bf6 28. Nc5 Bd5 29. Nd7 Be7 30. Bd4 Be6 31. Nf6+ Bxf6 $1 32. Bxf6 $11 {[%mdl 4096] Endgame KRB-KRB} Bh3+ 33. Kg1 h6 34. Rd1 Kh7 35. Bc3 Re2 36. Re1 Rc2 37. Bd4 Kg6 38. Be3 Kh5 39. Rc1 Re2 40. Ra1 Kg4 41. Ba7 f5 42. Ra4+ f4 {[%cal Re2e1] [#]} 43. Ra1 h5 44. Bb6 Rd2 45. Ba7 Kf3 46. Ra3+ Ke2 {[%cal Rd2d1]} 47. Ra1 h4 48. Bb8 Kf3 49. Ra3+ Ke2 {[%cal Rd2d1]} 50. Ra1 Be6 51. Bc7 Rc2 (51... Rd7 {seems wilder.} 52. Ba5 Bc4 53. Rc1 Kf3 54. Rc3+ Bd3) 52. Bd6 Ba2 53. gxf4 gxf4 54. Bxf4 Kf3 55. Be3 h3 56. Rc1 Rb2 57. Bd4 Rb4 58. Rc3+ Ke4 59. Be3 Rb1+ 60. Rc1 Rb7 61. Rc5 Be6 62. Rc1 Kf3 63. Rc3 Rb1+ 64. Rc1 Rb4 65. Bc5 Rb3 66. Bd6 Ke2 67. Bg3 Bf5 68. Ra1 Bb1 69. Ra7 Rb4 {( -> ...Rd4)} 70. Ra3 Rc4 {Precision: White = 55%, Black = 66%.} 0-1

