[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.12"]
[Round "1"]
[White "Burke, John Michael"]
[Black "Brattain, Mika"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2608"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,114,0,15,0,0,0,0,0,0,0,15,0,0,0,14,-22,0,-11,0,-13,0,-100,-44,-86,-83,-127,-128,-134,-124,-208,-206,-192,-64,-69,-70,-86,-86,-87,-85,-85,-85,-85,-82,-88,-81,-92,-93,-115,-102,-145,-73,-73,-73,-73,-62,-175,-153,-192,-69,-73,-61,-68,-66,-70,-70,-63,-25,-85,-72,-84,-56,-64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 O-O {B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7} 14. h4 b4 15. Nce2 Bb7 {LiveBook: 3 Games} 16. Bg2 (16. Kb1 Rac8 17. Bh3 e5 18. f6 exd4 19. fxe7 Rfe8 20. Nxd4 Rxe7 21. Nf5 Rxe4 22. Nxd6 Rd4 23. Qxf7+ Kh8 24. Nxc8 {1-0 (24) Sutovsky,E (2683)-Huschenbeth,N (2596) Douglas 2017}) 16... e5 {[#]} 17. f6 $1 {[%cal Rf6e7][%mdl 512]} Bxf6 (17... gxf6 18. Nf5) 18. Nf5 $1 ({Much worse is} 18. gxf6 Nxf6 19. Qd3 exd4 $17) 18... Bd8 19. Nxd6 Nc5 $146 ({Predecessor:} 19... Bc6 20. Ng3 Nc5 21. Ngf5 {1-0 (56) Petrov,M (2392)-Bolz,J (2277) GER email 2015}) 20. Nxb7 Nxb7 $40 {[%mdl 128] White needs to defend precisely.} 21. Rd5 Be7 (21... Rc8 {with more complications.} 22. Qd3 Nc5 23. Qc4 Qb6 24. Kb1 Rc6) 22. Qd3 {Black must now prevent Rd7.} (22. Kb1 {is interesting.} Nd6 23. Ng3 g6 24. Nf1 Nc4 25. Ne3) 22... Nc5 23. Qc4 Rad8 24. Rhd1 Rxd5 25. Rxd5 (25. exd5 $11 {keeps the balance.} Qd6 26. Ng3) 25... Rd8 (25... Qc8 $1 $17 {[%cal Rc8g4]} 26. Ng3 (26. Rxe5 Qc7 $17) 26... g6) 26. Ng3 g6 $1 27. Nf1 Rxd5 $1 28. Qxd5 Ne6 29. Qd2 (29. Bh3 $17 Nf4 30. Qd7 Qxd7 31. Bxd7) 29... Qc5 $19 {aiming for ...Qg1.} 30. Qe3 {[#]} h6 $1 {[%mdl 512]} 31. Qxc5 $1 $15 (31. gxh6 Nd4) 31... Nxc5 {[%mdl 4096] Endgame KBN-KBN} 32. Ne3 hxg5 33. Nd5 Kf8 34. hxg5 Bxg5+ 35. Kd1 a5 36. c3 bxc3 37. Nxc3 Bd8 38. Ke2 Ke7 39. a3 {[#]} Ne6 ({Black should play} 39... a4 $1 40. Kf3 Ba5) 40. Nd5+ $17 Kd6 41. b4 f5 42. exf5 ({Better is} 42. bxa5 $15 Bxa5 43. Ne3) 42... gxf5 $19 {Strongly threatening ...e4.} 43. Kd3 {[#]} axb4 (43... Ng5 $1 $19 44. Bh1 e4+ 45. Kd4 Ne6+ 46. Kc4 Ke5 47. bxa5 Bxa5) 44. axb4 $15 Ng5 45. Nc3 $1 Bb6 46. Nb5+ Ke6 {Threatens to win with ...e4+.} 47. Nc3 Bd4 48. Ne2 (48. Kc4 $1 $11) 48... Bf2 {Hoping for ...e4+.} 49. Nc3 Be1 50. b5 Kd6 (50... Bf2 $1 $15) 51. b6 $11 {The position is equal.} Bxc3 (51... Bf2 {feels hotter.} 52. b7 Kc7 53. Nb5+ Kb8 54. Nd6 e4+) 52. Kxc3 {KB-KN} f4 53. b7 Kc7 54. Kd3 Nf7 55. Kc4 Nd8 56. Kd5 Nc6 57. b8=Q+ Nxb8 {Precision: White = 50%, Black = 48%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.12"]
[Round "1"]
[White "Tang, Andrew"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2507"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,60,4,0,8,7,0,-14,-16,0,0,-6,-2,-2,0,0,0,0,0,0,14,3,15,3,10,6,7,6,39,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Nbd2 O-O 6. Bd3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bxf4 (6... c5 7. c3 Nc6 8. Bg3 b6 9. e4 Be7 10. e5 Nh5 11. Nf1 cxd4 12. Nxd4 Nxd4 13. cxd4 g6 14. Ne3 f5 15. exf6 Bxf6 16. Be2 Nxg3 17. hxg3 {½-½ (37) Nakamura,H (2787)-Svidler,P (2760) Moscow 2018}) 7. exf4 b6 8. Qe2 c5 9. c3 Qd6 10. g3 {LiveBook: 3 Games} a5 11. O-O Ba6 12. Rfe1 Bxd3 13. Qxd3 Nc6 {[%cal Bb8c6,Bc6d8,Bd8e6][%mdl 32]} 14. f5 exf5 15. Qxf5 $146 ({Predecessor:} 15. dxc5 bxc5 16. Qxf5 {1-0 (56) Papadopoulos,P (2179)-Djordjevic,V (2337) Belgrade 2017}) 15... cxd4 16. cxd4 g6 17. Qd3 Rac8 {Threatens to win with ...Nb4.} 18. a3 Nd8 19. Rac1 Ne6 20. Nb1 Ne4 21. Nc3 Nxc3 22. Rxc3 Rc7 23. Rec1 Rfc8 {The position is equal.} 24. Ne5 Kg7 25. h4 h5 26. Kf1 Rxc3 27. Rxc3 Rxc3 28. Qxc3 f6 29. Nf3 Qd7 30. Kg2 Nd8 {Precision: White = 56%, Black = 68%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.12"]
[Round "1"]
[White "Chandra, Akshat"]
[Black "Bian, Alex"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2486"]
[BlackElo "2291"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,116,30,30,60,50,31,14,37,34,36,34,108,104,102,99,111,107,97,60,61,41,154,14,15,22,13,16,151,146,214,103,109,110,106,104,117,124,121,120,178,172,172,172,165,145,145,8,16,0,0,0,0,0,41,58,81,0,114,115,214,166,506,47,200,200,200,200,2083,711,1423,639,547,0,0,0,512,0,8,-29973,-29974,-29972,-29973,-29973,-29974,-29978,-29979,-29976,-29977,-29977,-29978]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. O-O d6 7. a3 a5 8. Ne1 {[%cal Bf3e1,Be1c2,Bc2e3,Be3c4][%mdl 32]} Be6 9. d3 Nge7 10. Nc2 d5 11. cxd5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} Nxd5 12. Ne3 Nde7 (12... Nb6 13. Nc4 O-O 14. Bxc6 bxc6 15. Nxb6 Qxb6 16. Be3 Qxb2 17. Na4 Qb3 18. Nxc5 Qxd1 19. Rfxd1 {½-½ (46) Adams,M (2748)-Caruana,F (2823) London 2016}) 13. Nc4 O-O 14. Bg5 f6 15. Be3 {LiveBook: 47 Games} Nd4 16. Bxb7 Rb8 17. Bf3 f5 18. Rb1 Qc7 $146 ({Predecessor:} 18... Nec6 19. Bxc6 Nxc6 20. Bxc5 {1-0 (50) Horvath,D (2368)-Brozel,S (2112) Montevideo 2017}) 19. Bg2 Nec6 (19... Nb3 $14) 20. Qa4 $16 f4 21. Bxd4 Nxd4 22. Qxa5 Qe7 23. b4 e4 24. Bxe4 ({But not} 24. Qxc5 Qxc5 25. bxc5 exd3 $17) (24. Nxe4 Nxe2+ 25. Kh1 f3 $17) (24. bxc5 f3 $17) 24... f3 (24... fxg3 $14 25. hxg3 Bxc4) 25. e3 (25. Qxc5 $2 Qxc5 26. bxc5 Nxe2+ 27. Nxe2 fxe2 $19) (25. exf3 $16 Nxf3+ 26. Bxf3 Bxc3 27. Bg2 (27. Qxc5 Qxc5 28. bxc5 Rxb1 $11)) 25... Ne2+ $11 26. Nxe2 fxe2 27. Rfc1 {And now b5 would win.} cxb4 (27... Bc3 $1 $11 {remains equal.} 28. Nb6 (28. Rxc3 Qf6 $11) 28... cxb4) 28. axb4 $16 Bc3 (28... e1=R+ $16 29. Rxe1 Bxc4) 29. Qa2 (29. Rxc3 $18 {and White stays clearly on top.} Qf6 30. Bf5 Bxf5 31. Qe5) 29... e1=Q+ 30. Rxe1 Bxe1 31. Rxe1 Rxb4 {aiming for ...Bxc4.} 32. Qa3 Rfb8 33. Ne5 {Threatens to win with Nc6.} Qf6 (33... Qf8 $16 {keeps fighting.} 34. d4 Rb2 35. Qxf8+ Rxf8) 34. d4 $18 Rb2 35. Nd3 $1 {[%cal Rd3b2]} R2b3 36. Qd6 Rb1 37. d5 (37. Bd5 $16 R1b6 38. Bxe6+ Qxe6 39. Qxe6+ Rxe6 40. Kg2) 37... R8b6 $11 38. Qc5 Bh3 {( -> ...Rxe1+)} 39. Bg2 Rxe1+ 40. Nxe1 Rb2 41. e4 Bd7 {[#]} 42. Qe3 (42. Bf1 $1 $16) 42... Qa6 (42... Rb1 $11 43. Bf1 Qa1) 43. h4 $16 Qa4 (43... Qb6 $16) 44. Nf3 Bb5 $2 (44... Qd1+ {is more resistant.} 45. Kh2 Qc2) 45. Nd4 $2 (45. Ng5 $18 Be8 46. Bh3 Rb1+ 47. Kh2) 45... Qd1+ $2 (45... Qa1+ $1 $14 46. Kh2 Qa2) 46. Kh2 $18 Bf1 {White must now prevent ...Bxg2.} 47. Bf3 Qb1 $2 (47... Qd3 48. Qxd3 Bxd3) 48. d6 (48. Bg4 $142 Qd3 49. Be6+ Kg7 {[#]} 50. Nf5+ $1 {[%mdl 512]} Kh8 51. Qc5 Rxf2+ 52. Qxf2) 48... Bb5 49. Bg2 (49. Bg4 $142 Bc4 50. d7) 49... Qa2 50. Kg1 ({Worse is} 50. Nxb5 Rxf2 51. Nd4 Rxg2+ 52. Kh3 h5 $11) 50... Rb1+ 51. Kh2 Rb2 $1 52. Nxb5 $2 (52. Qg5 $18 Rxf2 53. Qxb5 Rxg2+ 54. Kh3) 52... Rxf2 $11 53. Nc3 $2 {[%mdl 8192]} (53. Nd4 $11 Rxg2+ 54. Kh3) 53... Rxg2+ {Black mates.} 54. Kh3 Rh2+ 55. Kg4 Qe6+ 56. Kg5 Qe5+ 57. Kg4 h5+ 58. Kf3 Qf6+ {Precision: White = 29%, Black = 30%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.12"]
[Round "1"]
[White "Patel, Advait"]
[Black "Wang, Annie"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2461"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,115,0,-4,55,52,54,48,65,64,81,82,100,46,146,46,170,162,248,144,167,169,154,158,151,120,116,93,85,64,43,48,46,12,108,87,106,116,189,156,143,49,109,0,101,0,0,-48,-37,-58,-72,-59,0,-242,-109,-86,0,-5,0,-25,149,93,103,99,125,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,554,544,577,530,12835,12834,12843,12843,12845,12845,29985,12845,12845,12846]} 1. Nf3 e6 2. g3 Nf6 3. Bg2 d5 4. O-O Be7 5. d3 c5 6. Nbd2 b6 7. e4 Bb7 8. Re1 Nc6 9. c3 h6 10. Qe2 Qc7 11. a3 {LiveBook: 35 Games} d4 $146 {C00: French: Unusual White 2nd moves} (11... dxe4 $11 12. Nxe4 Nxe4 13. Qxe4 Rd8) ({Predecessor:} 11... O-O-O 12. b4 c4 13. dxc4 dxe4 14. Nxe4 Nxe4 15. Qxe4 Nxb4 16. Qxb7+ Qxb7 17. axb4 Qc7 18. Bf4 Bd6 19. Be3 Rd7 20. Nd2 {0-1 (52) Ter Sahakyan,S (2593)-Vidit,S (2643) Martuni 2015}) 12. cxd4 $14 cxd4 13. b4 e5 {White is slightly better.} 14. Bb2 O-O 15. Rac1 b5 16. Nb3 (16. Nxd4 $1 $16 exd4 17. e5) 16... Qb6 {[#]} ({Better is} 16... Qb8 $1 $14) 17. Nh4 (17. Rxc6 $1 $16 {[%mdl 512]} Qxc6 18. Nxe5) 17... Nd7 (17... Rfd8 $14) 18. Nf5 $18 Bg5 {[#]} (18... Bf6 $142 19. Qg4 Rfd8 20. Nxh6+ Kf8) 19. Rc2 (19. f4 $1 $18 {[%cal Rf4g5][%mdl 512]} exf4 20. Rxc6 $1 {[%mdl 512]} Bxc6 21. gxf4 (21. Bxd4 Qa6 $18)) 19... Ne7 20. h4 Nxf5 21. hxg5 (21. exf5 $6 Bxg2 22. Kxg2 Bf6 $11) 21... Ne7 22. gxh6 Qxh6 23. Nc5 Bc8 24. Nxd7 Bxd7 25. Rc5 Qd6 26. Qh5 Ng6 (26... f6 $11) 27. f4 $16 {Strongly threatening Rd5.} exf4 28. e5 Qe7 (28... Qe6 $16) 29. Bxa8 (29. Bxd4 $6 Rac8 $14) 29... Rxa8 30. Bxd4 (30. e6 $16 Bxe6 31. Re4 (31. Bxd4 Qd7 $14) (31. Rxb5 Qd7 $16)) 30... fxg3 (30... Be6 $14) 31. Be3 (31. Qf3 $16 Rd8 32. Qxg3) 31... Re8 (31... a5 $1 $11 {remains equal.}) 32. d4 ({White has to play} 32. Kg2 $1 $16) 32... Qe6 $11 33. Rc2 Bc6 {[%mdl 1024] Black has compensation.} 34. Rc5 Ba8 35. Bc1 a6 (35... Rd8 $15 36. Be3 Re8) 36. Re2 $2 {[#]} (36. Rc3 $11) 36... Rd8 (36... Qd7 $1 $19 37. d5 Bxd5) 37. Rec2 $17 {[%cal Be2c2,Bc2c3,Bc3g3][%mdl 32]} Be4 ({Black should try} 37... Bb7 $17 38. Be3 Qb3) 38. R2c3 $1 $11 Qd7 39. d5 Re8 $2 (39... Bxd5 $11 40. Rxg3 Be6) 40. e6 ({Reject} 40. Rxg3 $6 Rxe5 41. Qg4 Bf5 $11) (40. d6 $142) 40... fxe6 $16 41. Rxg3 Qf7 {[#] aiming for ...Rf8.} 42. d6 (42. dxe6 $1 $16 Qxe6 43. Qg4) 42... Rf8 $11 {[%csl Gf8][%cal Rf7f2]} 43. Qe2 Qf6 $1 44. Qxe4 Qf2+ 45. Kh1 Qxg3 {[%cal Rf8f1]} 46. Qxe6+ Rf7 47. Rc8+ Kh7 {[%cal Rf7f1]} 48. Qxf7 $40 {[%csl Gc8][%cal Rf7g8][%mdl 128] Black needs to defend precisely.} Qh3+ 49. Kg1 {[%csl Gc8][%cal Rf7g8]} Qxc8 50. Bb2 {[%csl Gb2][%cal Rf7g7]} Qg4+ 51. Kf2 {[%csl Gb2][%cal Rf7g7]} Nf4 $2 {[%mdl 8192]} (51... Qh4+ $1 $11 52. Kf3 Qh3+ 53. Ke4 Qg2+ 54. Qf3 Qc2+ 55. Qd3 Qxb2 56. Qh3+ Kg8 57. Qe6+ Kf8 58. Qc8+ Kf7 59. Qd7+ Kg8 60. Qe6+ Kh7 61. Qh3+ Kg8 62. Qe6+) 52. d7 $18 Qg2+ 53. Ke3 {And now Qf5+ would win.} Nd5+ 54. Kd3 Qg3+ 55. Kc2 {Intending Qh5+ and mate.} Qg2+ 56. Kb1 {White threatens Qh5+ and mate.} Qe4+ 57. Ka2 (57. Ka1 $142 Qe7 58. Qh5+ Kg8 59. Qxd5+ Kh7 60. Qh5+ Kg8 61. Qe8+ Qf8 62. d8=Q) 57... Qc4+ 58. Ka1 {Precision: White = 45%, Black = 22%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.12"]
[Round "1"]
[White "Balakrishnan, Praveen"]
[Black "Li, Ruifeng"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2411"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,80,0,0,0,0,12,10,13,9,-8,-11,-32,-22,-40,0,-49,-49,-49,-55,-60,-46,-50,-52,-60,-54,-66,-53,-49,-38,-43,-25,-47,-12,-12,0,0,0,-8,-6,-16,0,0,0,0,39,36,44,26,24,38,27,37,60,8,8,8,31,0,0,0,28]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 bxc6 7. Nd2 {C45: Scotch Game} (7. Nc3 d6 8. Qg3 h5 9. h4 Bd4 10. Bg5 Qe5 11. Qxe5+ Bxe5 12. O-O-O Bxc3 13. bxc3 Be6 14. Rd4 f6 {½-½ (71) Nepomniachtchi,I (2751)-Le,Q (2739) Saint Louis 2017}) 7... d6 8. Nb3 Bb6 9. a4 a5 10. Bd2 Qxf3 11. gxf3 Ne7 {LiveBook: 58 Games} 12. Rg1 O-O 13. Be3 Bxe3 14. fxe3 f5 15. Bc4+ $146 (15. e5 $5) 15... Kh8 16. exf5 Nxf5 17. Kf2 Bb7 18. Rad1 c5 19. Bd5 Bxd5 20. Rxd5 Rab8 21. Rg4 Ne7 22. Rd1 Nc6 23. Re4 g6 24. Rb1 Kg7 25. Nd2 Rf6 26. b3 d5 27. Rg4 Nb4 28. c3 Na2 29. Ra1 Nxc3 {White should prevent ...h5.} 30. Rc1 h5 31. Rg5 $1 Rxb3 32. Rxd5 $1 Ra3 33. Rxc5 Ra2 34. Rxc7+ Kh6 $1 35. R1xc3 Rxd2+ $11 {KRR-KRR} 36. Kg3 {And now h4 would win.} h4+ $1 37. Kxh4 ({Better is} 37. Kg4 $1 $14) 37... Rxf3 38. Kg4 Rff2 39. R3c5 Rg2+ 40. Kf4 Rdf2+ {Precision: White = 49%, Black = 56%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.13"]
[Round "2"]
[White "Li, Ruifeng"]
[Black "Wang, Annie"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2583"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,68,10,15,18,41,43,43,19,27,29,28,6,31,20,4,10,11,7,12,-77,0,0,0,-18,19,14,32,28,54,22,71,71,79,81,75,75,83,74,100,106,112,105,95,16,12,0,0,-390,-384,-384,-383]} 1. b3 d5 2. Bb2 c5 3. Nf3 Nf6 4. e3 Nc6 5. d4 e6 6. Bd3 Bd6 7. O-O O-O 8. Nbd2 cxd4 9. exd4 Nb4 10. Be2 Ne4 {LiveBook: 3 Games. D05: Colle System with ...e6} (10... b6 11. Ne5 Bb7 12. a3 Nc6 13. Bd3 Rc8 14. Re1 Ne7 15. Qe2 Ng6 16. g3 b5 17. Rac1 a6 18. b4 Bxe5 19. dxe5 {1-0 (61) So,W (2815)-Carlsen,M (2832) chess.com INT 2017}) 11. c4 Bd7 12. a3 Nc6 {White is slightly better.} 13. Nxe4 $146 ({Predecessor:} 13. c5 Bc7 14. b4 Rc8 15. Nb3 a6 16. Nc1 Qe8 17. Re1 f5 18. Nd3 {½-½ (46) Hookham,H-Charlick,H Adelaide 1887}) 13... dxe4 14. Ne5 Be8 15. Qc2 f6 16. Nxc6 Bxc6 17. d5 exd5 18. cxd5 Bxd5 19. Rad1 (19. Bc4 $11 {keeps the balance.} Bxc4 20. Qxc4+ Kh8 21. Qxe4) 19... Bf7 (19... Rc8 $17 20. Qb1 Be6) 20. Qxe4 $11 Re8 21. Qg4 Qe7 (21... Bxb3 {looks sharper.} 22. Bc4+ Bxc4 23. Qxc4+ Kh8 24. Qd5 Bf8) 22. Bb5 Red8 23. Rde1 Be5 24. b4 Qd6 25. Bxe5 fxe5 26. Re3 Rac8 {[%cal Ba8c8,Bc8c2,Bc2c1][%mdl 32]} 27. Rfe1 $40 {[%mdl 128] White goes for the king.} a6 28. Bf1 Rc2 29. Rxe5 h6 30. g3 b5 31. Bg2 (31. Qf5 $16 Bg6 32. Qg4) 31... Qd2 32. Qf3 Rc1 33. Qe3 $2 {[%mdl 8192] [#]} (33. Rf1 $1 $11 {and White is okay.}) 33... Qxe3 34. R5xe3 Rdd1 {Precision: White = 55%, Black = 37%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.13"]
[Round "2"]
[White "Liang, Awonder"]
[Black "Burke, John Michael"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2569"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,104,14,19,0,32,30,29,31,39,0,0,0,0,0,0,0,6,0,7,0,0,6,6,0,12,15,18,9,19,1,7,7,7,8,2,2,7,7,14,14,14,0,0,0,81,73,47,0,26,27,42,31,53,9,48,28,28,34,63,61,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Qc2 O-O 6. Bg5 h6 7. Bh4 c5 8. dxc5 {D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations} Na6 9. e3 Nxc5 {LiveBook: 12 Games} 10. Be2 (10. cxd5 Nxd5 11. Bxe7 Qxe7 12. Nxd5 exd5 13. Be2 Bg4 14. O-O Rac8 15. Rad1 Rfd8 16. Nd4 Ne6 17. Qd3 Nxd4 18. Bxg4 Ne6 19. Qb3 Rc4 20. Bf3 Rb4 {½-½ (43) Giri,A (2755)-Kramnik,V (2808) Moscow 2016}) 10... Nce4 $146 ({Predecessor:} 10... dxc4 11. Bxc4 a6 12. a4 b6 13. O-O Nfd7 14. Bg3 Bb7 15. Nd4 Nf6 16. Rfd1 Qc8 {½-½ (33) Gritsak,O (2516)-Jakubowski,K (2544) Poronin 2014}) 11. Nxe4 Nxe4 12. Bxe7 Qxe7 13. cxd5 Qb4+ 14. Nd2 exd5 15. a3 Qb6 16. Nxe4 dxe4 17. O-O Bf5 18. b4 Rac8 19. Qb2 Rfd8 20. Rfd1 Qf6 21. Qxf6 gxf6 22. g4 Be6 23. Kg2 Rxd1 24. Rxd1 $11 {[%mdl 4096] Endgame KRB-KRB} Rc2 25. Rd8+ Kg7 26. Bd1 Ra2 27. a4 f5 28. gxf5 Bxf5 29. a5 Be6 30. Rb8 Rd2 {[#]} (30... Bd5 $11) 31. Ba4 $1 $16 Ra2 32. Bd1 Rd2 33. Bh5 Rd5 34. Be2 Rd7 35. b5 Bd5 36. Kg3 Rc7 37. Rd8 Be6 38. Ra8 $1 {[%cal Ra8a7]} b6 39. axb6 (39. a6 $1 $14) 39... axb6 $11 {The position is equal.} 40. Rb8 Rc2 41. Bf1 Rc1 $1 {[%cal Rc1f1]} 42. Bh3 {aiming for Bxe6.} Rg1+ 43. Kh4 Bxh3 44. Kxh3 {KR-KR} Rg6 45. Re8 Rg5 46. Rxe4 {[#] Threatens to win with Rg4.} Rxb5 47. Kg2 Rb1 48. Re8 b5 {[%cal Bb6b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 49. Rb8 b4 50. h4 b3 51. Rb6 f6 52. e4 b2 {Precision: White = 56%, Black = 71%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.13"]
[Round "2"]
[White "Balakrishnan, Praveen"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2411"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,88,58,48,43,62,40,80,39,37,0,0,-35,-36,-66,-45,-42,-48,-60,-29,-72,-64,-44,-54,-60,-47,-59,0,-49,0,0,20,-142,58,59,66,0,0,0,0,0,0,0,0,0,0,-139,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 a6 11. a4 b6 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} 12. Re1 Nh5 13. Bg5 Qc7 14. e4 Nd7 {LiveBook: 3 Games} 15. h3 h6 16. Bd2 Ra7 $146 {[%cal Ba8a7,Ba7b7,Bb7b8][%mdl 32]} ({Predecessor:} 16... Rb8 17. g4 Nhf6 18. Bf4 h5 19. g5 Nh7 {0-1 (49) Kislik,E (2345)-Matsenko,S (2458) Pardubice 2013}) 17. Nh4 Nhf6 18. f4 c4 19. Qe2 Rb7 20. Kh2 b5 21. axb5 axb5 22. Qf1 Rb8 23. Na2 Nc5 {[%cal Rc5e4]} 24. e5 $1 {[%cal Re5f6]} dxe5 25. fxe5 Nh5 26. d6 Qd8 ({Black should play} 26... Qd7 $15 27. Nf3 Nd3) 27. Nf3 Nd3 {[%cal Rd3e5]} 28. Nb4 $1 {[%cal Rb4d3]} Nxe5 29. Ra7 $2 (29. Nxe5 $11 Bxe5 30. Rxe5 $1 {[%mdl 512]} Rxe5 31. Nc6 Qxd6 32. Ra7) 29... Bd7 $2 (29... Qxd6 $17 30. Nxe5 Bf5) 30. Nxe5 $14 Rxe5 31. Nc6 (31. Nd5 $14 Be8 32. Ba5 Qxd6 33. Bc7) 31... Rxe1 $11 32. Bxe1 Bxc6 $1 33. Qxf7+ Kh7 $1 34. Bxc6 {Black must now prevent Qe7.} Qxd6 35. Be4 Rf8 36. Qd5 {[#]} (36. Bxg6+ $11 {remains equal.} Kh8 37. Rd7) 36... Qxd5 (36... Qf6 $1 $17 37. Qxb5 Qd4 38. Rxg7+ Nxg7) 37. Bxd5 {The position is equal.} Kh8 38. Rb7 Nf6 39. Bg2 Re8 40. Bc3 Nh5 41. Bxg7+ Nxg7 42. Rxb5 Re2 43. g4 Ne6 {aiming for ...Nf4.} 44. Kg3 c3 {Precision: White = 47%, Black = 63%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.13"]
[Round "2"]
[White "Brattain, Mika"]
[Black "Patel, Advait"]
[Result "0-1"]
[ECO "E98"]
[WhiteElo "2399"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,140,25,29,-62,44,38,47,31,84,20,14,14,17,19,9,0,27,37,35,-24,24,-13,-24,-23,-19,-56,-22,-54,-44,-51,-48,-37,-45,-66,-59,-150,0,0,0,0,0,0,-2,-18,-5,-68,-6,-55,0,-217,0,0,28,-22,-20,-14,-21,-13,-3,-6,-11,-11,-10,-11,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,-10,-10,-11,-13,-16,-16,-36,0,-31,-31,-206,-152,-138,0,-222,-87,-95,-109,-1048,-1125,-871,-845,-12840,-12841,-12845,-12845,-12845,-12846]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 {[%cal Bg1f3,Bf3e1,Be1d3][%mdl 32]} e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. a4 a5 14. Nd3 b6 15. Be1 Nf6 {E99: King's Indian: Classical Main Line: 9 Ne1 Nd7 10 f3 f5} (15... Ng6 16. Nb5 Rf7 17. b4 Nf6 18. Nf2 h5 19. h3 Nh4 20. bxa5 bxa5 21. c5 Bf8 22. c6 Rg7 23. Ra3 {0-1 (34) Likavsky,T (2432)-Manik,M (2448) Velky Cetin 2018}) 16. Nf2 h5 17. h3 Rf7 {LiveBook: 5 Games. White has an edge.} 18. b4 ({Better is} 18. Nb5 $11) 18... Bf8 ({Black should try} 18... axb4 $15 19. Nb5 c6) 19. bxa5 $14 bxa5 20. Nb5 Rg7 {[#]} (20... Ng6 $14) 21. Kh2 $146 (21. c5 $1 $16 {[%mdl 512]}) ({Predecessor:} 21. Bc3 Bd7 22. Qe1 Qc8 23. Ra2 {½-½ (60) Geringer,W (1965)-Faldum,M (1789) Frankfurt 2010}) 21... Ng6 $11 22. Rh1 Nh8 23. Kg1 Nf7 24. Bc3 g4 25. hxg4 hxg4 26. Kf1 (26. fxg4 $14 Bd7 27. Bf3) 26... Bd7 27. Ke1 c6 28. dxc6 Bxc6 29. Kd2 Qb6 30. Qe1 Ng5 31. Kc2 gxf3 32. gxf3 Qe3 33. Ra3 ({Don't blunder} 33. Rh6 $2 Ngxe4 $1 {[%mdl 512]} 34. fxe4 Rg2 $17) 33... Bxb5 34. cxb5 (34. axb5 $15 Nxf3 35. Bxf3 Qxf3 36. Bb2) 34... d5 (34... Nxf3 $17 35. Bxf3 Qxf3) 35. Rb3 $1 Rc8 36. Kb2 dxe4 37. Bxe5 Qc5 38. Bc3 exf3 39. Bd3 (39. Bxf3 $11 Re7 40. Nd3 Nxf3 41. Qd1) 39... Re7 $1 $15 {[%cal Re7e1]} 40. Qd2 Bg7 (40... Nd5 $1 $15 41. Rh8+ Kf7) 41. Kb1 $2 (41. Rc1 $1 $11 {and White stays safe.}) 41... Nd5 $2 (41... Nfe4 $19 42. Nxe4 Nxe4 43. Bxe4 Rxe4 44. Bxg7 Qf5) 42. Bxg7 $11 Rxg7 43. Rc1 (43. b6 $5) 43... Qxc1+ 44. Qxc1 Rxc1+ 45. Kxc1 {Black must now prevent b6.} Rc7+ 46. Kd2 $132 {[%mdl 2048] Strongly threatening b6. White is fighting back} Nb6 $1 47. Rc3 Rxc3 48. Kxc3 {[%mdl 4096] Endgame KBN-KNN} Ne6 49. Bc2 Kf7 50. Bd1 Ke7 51. Ne4 Nd5+ 52. Kd2 Nb6 53. Kc3 Kd7 54. Kd3 Kc7 55. Kd2 Nc4+ 56. Kc3 Ne5 57. Kd2 Nd4 58. Kc3 Ne2+ 59. Kd2 Ng3 60. Nf2 Kb6 61. Kc3 Kc5 62. Kd2 $2 (62. Bb3 $15) 62... Kd4 63. Bb3 Kc5 (63... Nf5 $17 64. Ke1 Nd6) 64. Bd1 $19 {[#]} Nf1+ $1 65. Kc3 Ne3 66. Bxf3 $2 {[%mdl 8192]} (66. Bb3 $17) 66... Nxf3 {Black is clearly winning.} 67. Nd3+ Kd6 68. b6 Nd5+ 69. Kc4 Ne5+ 70. Nxe5 Kxe5 {Precision: White = 42%, Black = 67%.} (70... Nxb6+ 71. Kd4 $15) 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.13"]
[Round "2"]
[White "Bian, Alex"]
[Black "Tang, Andrew"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2291"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,61,12,8,-54,-51,-41,17,12,24,-23,-20,-28,-19,-66,-68,-62,-70,-77,-62,-71,-45,-45,0,0,10,0,20,42,592,584,625,605,637,646,848,866,881,844,1196,1066,943,729,948,959,1244,787]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 O-O 8. O-O b6 9. Qd2 {C45: Scotch Game} (9. Nc2 Ne5 10. Be2 Bb7 11. f4 N5g6 12. e5 Qe6 13. b4 Bxe3+ 14. Nxe3 Nh4 15. Bg4 f5 16. Be2 Kh8 {0-1 (34) Kasparov,G (2812)-Caruana,F (2795) Saint Louis 2016}) 9... Qg6 {LiveBook: 17 Games} 10. b4 (10. Nxc6 $11 Nxc6 11. Bxc5 bxc5 12. Na3) 10... Bxd4 $1 $15 11. cxd4 {Black is slightly better.} Qxe4 (11... d5 $1 $15 12. exd5 Nxb4) 12. Nc3 $11 Qg6 13. b5 $146 {[#] Threatens to win with Bd3.} ({Predecessor:} 13. Nb5 d5 14. Bd3 Bf5 15. Bxf5 Nxf5 16. Nxc7 Rad8 {0-1 (27) Kaderabek,J (2192)-Vasilev,V (2368) Sunny Beach 2010}) 13... Na5 14. Bd3 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 15. d5 Bb7 16. Be2 Qf7 {[%cal Re7d5]} 17. Rac1 {[%cal Ba1c1,Bc1c7,Bc7a7,Ba7b7,Bb7b6,Bb6g6][%mdl 32]} f4 18. Bd4 Nxd5 19. Nxd5 Bxd5 20. Rxc7 Rac8 21. Rxa7 Bxg2 {...Qg6 is the strong threat.} 22. Bg4 $1 Nb7 $2 {[%mdl 8192]} ({Avoid the trap} 22... Bxf1 $2 23. Rxd7 Qg6 24. Rxg7+ Qxg7 25. Bxg7 $18) ({Better is} 22... Bb7 $1 $14 23. Bxb6 h5) 23. Kxg2 $18 {White is clearly winning.} Qg6 {[#]} 24. Qd1 $1 h5 25. Rxb7 Rf7 26. Rxb6 Qg5 27. h4 Qxh4 28. Rg6 hxg4 29. Qxg4 f3+ 30. Kg1 {[%cal Rg6g7]} Qh7 31. Re1 {Precision: White = 72%, Black = 35%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.14"]
[Round "3"]
[White "Burke, John Michael"]
[Black "Bian, Alex"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2608"]
[BlackElo "2291"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,75,60,66,59,61,50,66,50,75,59,85,65,63,59,59,53,60,-65,22,18,114,105,113,109,82,0,0,0,0,-55,-21,-67,49,0,0,0,64,66,58,3667,29977,29979,29979,29980,29980,29981]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. O-O Qa5 12. b3 {B36: Sicilian: Maroczy Bind: Gurgenidze System} (12. Rab1 Rfc8 13. b3 Ng4 14. Bd4 Bxd4 15. Qxd4 Nf6 16. Rfe1 Qb4 17. Bf1 a6 18. Nd5 Bxd5 19. exd5 Rc7 20. Re3 b5 21. Rbe1 Raa7 {½-½ (37) Eljanov,P (2700)-Tahbaz,A (2434) Sharjah 2018}) 12... Rfc8 13. Rfc1 a6 14. Rab1 Qd8 15. f3 Nd7 16. Nd5 Bxd5 {LiveBook: 3 Games} 17. exd5 a5 18. a3 b6 19. Bf1 h5 $146 ({Predecessor:} 19... Nc5 20. b4 axb4 21. axb4 Nd7 22. Bd4 Bxd4+ 23. Qxd4 {0-1 (36) Vehi Bach,V (2416)-Vila Gazquez,X (2246) Barcelona 2003}) 20. g3 Kh7 21. Qf2 Rcb8 22. h3 Qh8 23. g4 Kg8 24. Be2 (24. Rd1 $14) 24... Nc5 (24... Bb2 $15) 25. Kg2 a4 (25... Bb2 $11 {keeps the balance.}) 26. b4 $16 Nb3 27. Rd1 Bb2 {[#]} 28. gxh5 ({Of course not} 28. Bxb6 Bxa3 29. c5 Qe5 $15) (28. Rxb2 $1 $16 Qxb2 29. gxh5) 28... Bxa3 $11 29. hxg6 ({But not} 29. Bxb6 Bxb4 30. hxg6 Bc5 $17) 29... Bxb4 30. f4 (30. Qg3 $11) 30... Bc5 31. Bg4 a3 ({Better is} 31... fxg6 $15 32. Be6+ Kf8) 32. Rxb3 {Threatens to win with gxf7+.} a2 $1 {[%cal Ra2a1]} 33. gxf7+ Kf8 (33... Kxf7 $11 34. Bxc5 bxc5 35. Rxb8 Rxb8) 34. Be6 $1 $14 Qg7+ 35. Kh2 a1=Q 36. Rxa1 {White mates.} Qxa1 {[#]} 37. Bxc5 $1 Ra2 {[#]} 38. Rg3 $3 {[%mdl 512] Precision: White = 38%, Black = 50%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.14"]
[Round "3"]
[White "Tang, Andrew"]
[Black "Balakrishnan, Praveen"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2507"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,82,0,0,0,0,-2,-7,0,0,9,-48,-48,-108,-121,-107,-108,-113,-104,-104,-124,-148,-168,-155,-140,-137,-114,-167,-177,-176,-200,-194,-174,-214,-209,-280,-279,-268,-264,-297,-293,-298,-308,-363,-253,-283,-275,-262,-276,-321,-287,-282,-295,-298,-295,-288,-262,-288,-269,-322,-266,-393,-280,-378,-392,-624,-609]} 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Qb6 (5... cxd4 6. exd4 Bf5 7. c3 e6 8. Qb3 Bd6 9. Bg3 Bxg3 10. hxg3 Qd6 11. Qxb7 Rb8 12. Qa6 O-O {0-1 (36) Caruana,F (2816)-Grischuk,A (2766) Paris 2018}) 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Qxb2 7. Rb1 Qc3 8. Bb5 e6 9. O-O Be7 10. Ne5 {LiveBook: 13 Games} Bd7 11. Nd3 O-O 12. Bc7 {[#] Hoping for Rb3.} b6 13. a4 $146 Ne8 (13... Bxc5 $2 14. Rb3 $18) 14. Rb3 (14. Be5 $11 Nxe5 15. Rb3) 14... Qa5 $15 15. Nb2 ({Better is} 15. Ne5 $15 Nxe5 16. Bxe5 Bxb5 17. axb5) 15... Nxc7 $17 {[#]} 16. Ndc4 $1 {[%mdl 512]} dxc4 17. Nxc4 Be8 18. Nxa5 Nxa5 19. Rb1 Nxb5 20. axb5 Bxc5 21. Qd3 f6 22. Rbd1 (22. Qe4 $17 Bf7 23. Ra1) 22... Bg6 $36 {[%mdl 2048] Black has strong initiative.} 23. Qd7 Rfe8 (23... Bxc2 24. Qxe6+ Rf7 25. Rd7 $11) 24. Qc7 Bf8 (24... Bxc2 25. Rd7 $11) 25. Rd7 Rec8 26. Qg3 Be8 (26... Rxc2 27. Qg4 $17) (26... Bxc2 27. Qg4 $17) 27. Rc7 Bxb5 28. Rd1 Nc4 29. Qf3 Nd6 (29... Rxc7 30. Qxa8 Ne5 31. h3 $17) 30. c4 Be8 (30... Rxc7 31. Qxa8 Bxc4 32. Qb8 $19 (32. Rxd6 $2 Bd5 $19)) (30... Nxc4 $2 31. Rxc8 Rxc8 32. Qb7 $19) 31. c5 bxc5 ({Less strong is} 31... Rxc7 32. cxd6 Rcc8 33. d7 $17) 32. Rxc5 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} ({Don't take} 32... Rxc5 33. Qxa8 a5 34. f3 $17) 33. h4 a4 ({Not} 33... Rxc5 34. Qxa8 Bc6 35. Qb8 $19) 34. Rxc8 Rxc8 35. Qg4 Bd7 36. Qb4 Ra8 37. Rd3 Be8 38. Kh2 h6 39. h5 (39. f4 {keeps fighting.}) 39... Ra7 40. Qb8 Ra6 41. g3 (41. Qb1 $142) 41... Bxh5 {Precision: White = 34%, Black = 70%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.14"]
[Round "3"]
[White "Chandra, Akshat"]
[Black "Li, Ruifeng"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2486"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,60,35,32,50,38,45,32,44,38,61,60,89,71,121,117,112,74,127,135,99,67,88,71,72,89,158,152,148,76,207,37,108,117,178,174,331,202,201,135,123,132,138,139,149]} 1. e4 Nc6 2. Nf3 e5 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3d5][%mdl 32]} a6 4. Ba4 g6 5. d4 b5 6. Bb3 {C70: Spanische Partie (Abweichung im 4. Zug)} exd4 7. Nxd4 Na5 8. a4 (8. O-O Bg7 9. Re1 Ne7 10. e5 O-O 11. Bg5 c5 12. Bd5 Rb8 13. Nb3 Nxb3 14. axb3 {0-1 (31) Kramnik,V (2792)-Mamedyarov,S (2808) Paris 2018}) 8... b4 9. Bd5 c6 10. Ba2 {LiveBook: 5 Partien} Bg7 11. O-O Ne7 12. c3 c5 13. cxb4 cxd4 14. bxa5 $40 {[%mdl 128] Weiss hat was vor.} Qxa5 $146 15. b4 Qh5 16. Na3 O-O 17. Bb2 Nc6 (17... d5 $142) 18. Qd2 $16 Bb7 19. Bd5 Rab8 20. b5 $1 axb5 21. Nxb5 Ba6 ({Günstiger ist} 21... Rfc8) 22. Ba3 $1 Rfe8 {[#]} 23. Rfb1 (23. Rab1 $142 $1) 23... Ne5 (23... d3 $16) 24. Qf4 $2 ({Nicht} 24. Nxd4 Nd3 $14) ({Lieber} 24. Bd6 $18) 24... Bh6 (24... g5 $1 $14 25. Qg3 Ng6) 25. Qg3 {Droht stark Sd6.} Bxb5 (25... d3 $16) 26. axb5 $18 {Ld6 ist eine echte Drohung.} Rb6 $2 (26... Bf8 27. Bxf8 Kxf8) 27. h3 {Droht f4 und aus.} Rf6 28. Bc1 Bxc1 29. Rxc1 Qe2 {[#]} 30. Rcb1 $1 Rb6 {Precision: Weiß = 68%, Schwarz = 50%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.14"]
[Round "3"]
[White "Patel, Advait"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2461"]
[BlackElo "2569"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:13]} Bc5 {[%emt 0:00:22]} 4. c3 {[%emt 0:00:31]} Nf6 {[%emt 0:00:08]} 5. d3 {[%emt 0:00:16]} d6 {[%emt 0:00:16]} 6. Bb3 {[%emt 0:00:34]} Bb6 {[%emt 0:02:03]} 7. Nbd2 {[%emt 0:01:25]} Ne7 {[%emt 0:00:36]} 8. Nc4 {[%emt 0:01:19]} Ng6 {[%emt 0:00:28]} 9. O-O {[%emt 0:02:47]} O-O {[%emt 0:01:21]} 10. Re1 {[%emt 0:01:37]} Be6 {[%emt 0:04:32]} 11. Nxb6 {[%emt 0:19:12]} Bxb3 {[%emt 0:00:28]} 12. axb3 {[%emt 0:01:02]} axb6 {[%emt 0:00:23]} 13. Rxa8 {[%emt 0:00:24]} Qxa8 {[%emt 0:00:05]} 14. Bg5 {[%emt 0:00:19]} Qd8 {[%emt 0:12:56]} 15. Nh4 {[%emt 0:05:58]} Re8 {[%emt 0:14:10]} 16. Qf3 {[%emt 0:18:57]} h6 {[%emt 0:01:53]} 17. Bxf6 {[%emt 0:00:13]} Nxh4 {[%emt 0:00:08]} 18. Bxh4 {[%emt 0:00:18]} Qxh4 {[%emt 0:00:05]} 19. Ra1 {[%emt 0:00:42]} Qg5 {[%emt 0:04:40]} 20. Qe3 {[%emt 0:00:41]} Qe7 {[%emt 0:08:17]} 21. Ra7 {[%emt 0:02:24]} Rb8 {[%emt 0:00:51]} 22. g3 {[%emt 0:01:09]} Qd8 {[%emt 0:02:23]} 23. d4 {[%emt 0:02:16]} Ra8 {[%emt 0:05:43]} 24. Rxa8 {[%emt 0:00:07]} Qxa8 {[%emt 0:00:03]} 25. dxe5 {[%emt 0:00:14]} dxe5 {[%emt 0:00:06]} 26. Qd2 {[%emt 0:00:14]} c6 {[%emt 0:02:06]} 27. Kg2 {[%emt 0:00:54]} f6 {[%emt 0:00:53]} 28. Qd7 {[%emt 0:00:51]} Qa2 {[%emt 0:00:50]} 29. Qc8+ {[%emt 0:01:59]} Kh7 {[%emt 0:00:05]} 30. Qf5+ {[%emt 0:00:12]} Kh8 {[%emt 0:00:07]} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.14"]
[Round "3"]
[White "Wang, Annie"]
[Black "Brattain, Mika"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2299"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,110,0,4,5,11,5,-12,-15,-17,-14,-38,-35,-93,-42,-27,-22,-133,-133,-213,-214,-214,-216,-233,-234,-235,-228,-239,-187,-249,-208,-208,-208,-210,-210,-210,-210,-213,-213,-214,-208,-212,-212,-208,-208,-215,-208,-204,-208,-208,-208,-215,-208,-215,-202,-214,-192,-193,-195,-189,-188,-219,-215,-321,-305,-447,-453,-616,-565,-512,-441,-29972,-29973,-29970,-29974,-29973,-29974,-29981,-29979,-29980,-29977,-29980,-29979,-29982,-29983,-29983,-29984]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 c6 8. O-O exd4 9. Nxd4 Re8 10. f3 d5 11. cxd5 Nxd5 12. Nxd5 cxd5 13. Qb3 Nc6 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} 14. Rad1 {[#] LiveBook: 38 Games} a6 $146 ({Predecessor:} 14... Nxd4 15. Bxd4 Bxd4+ 16. Rxd4 Qf6 17. Rd2 Qf4 18. Qc3 Be6 19. g3 Qh6 20. e5 d4 21. Rxd4 {1-0 (58) Rombaldoni,A (2539)-Kozul,Z (2617) Reykjavik 2015}) 15. Nxc6 bxc6 {The position is equal.} 16. exd5 Qe7 17. Bf2 {Strongly threatening d6.} cxd5 $1 ({Not} 17... Qxe2 $2 18. Rfe1 $18) 18. Rfe1 {And now Bb5 would win.} Be6 19. Qc2 ({Better is} 19. Rb1 $15) 19... Rec8 (19... Qb4 $17) 20. Qd2 $15 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 21. Rc1 (21. Bd4 $11 {keeps the balance.}) 21... Qb4 $36 {[%mdl 2048] Keeping White busy.} 22. Be3 (22. Qxb4 $17 {is a better defense.} axb4 23. Rxc8+ Rxc8 24. Bd1) 22... Bxb2 ({But not} 22... Qxb2 23. Qxb2 Bxb2 24. Rxc8+ Rxc8 25. Ba6 $17) 23. Rxc8+ Rxc8 ({Don't do} 23... Bxc8 24. Rb1 $17) 24. Rd1 Qxd2 25. Bxd2 {[#]} a4 $1 26. Bd3 Kg7 27. Kf1 (27. Bb1 {was called for.}) 27... h5 28. a3 Bxa3 {Hoping for ...Bb2.} 29. Ra1 Bd6 {aiming for ...a3.} 30. Rxa4 Bxh2 31. Be3 Be5 32. Kf2 Bf6 33. Ke2 Rb8 34. Bc1 h4 35. Kf2 Rh8 36. Bf4 h3 37. gxh3 Bxh3 38. Bd6 Be6 39. Kg3 Rh5 40. Rb4 Be5+ 41. Bxe5+ Rxe5 $19 {[%mdl 4096] Endgame KRB-KRB} 42. Kf2 Kf6 43. Rb7 Rh5 44. Ke3 (44. f4 $142) 44... g5 45. Rb6 (45. Bb5 {might work better.}) 45... Ke5 46. Rb4 Rh4 47. Rb5 Ra4 48. Rb2 {[#]} (48. Be2 $19) 48... d4+ {Black mates.} 49. Kf2 Ra2 50. Rxa2 Bxa2 {KB-KB} 51. Ke2 Be6 52. Kf2 f6 53. Ke2 Bd5 54. Kf2 Kf4 55. Be2 Bc6 {Precision: White = 39%, Black = 82%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.15"]
[Round "4"]
[White "Li, Ruifeng"]
[Black "Brattain, Mika"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2583"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,-31,9,0,10,8,43,4,2,-2,21,18,20,20,23,9,14,4,5,0,0,0,8,9,31,8,80,80,82,38,91,81,77,94,154,156,160,147,137,147,137,131,154,157,148,144,191,26,35,19,22,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Ne2 d5 3. e5 d4 (3... Bg4 4. f3 Bd7 5. d4 e6 6. Be3 c5 7. c3 Nc6 8. Qd2 cxd4 9. cxd4 f6 10. f4 Nh6 11. Nbc3 {0-1 (57) Mamedov,R (2709)-Artemiev,V (2691) Huaian 2017}) 4. Ng3 Qd5 5. f4 Nh6 (5... g5 $5 6. fxg5 Bg7 $11) 6. c4 {B10: Caro-Kann: 2 d3 and 2 c4} Qd7 7. d3 f5 $146 ({Predecessor:} 7... c5 8. Be2 Nc6 9. O-O g6 10. Nd2 Bg7 11. Nde4 {½-½ (57) Fierro Baquero,M (2372)-Narciso Dublan,M (2540) La Massana 2010}) 8. exf6 {White is slightly better.} exf6 9. Be2 Bb4+ 10. Nd2 O-O 11. O-O f5 12. a3 Be7 13. b4 a5 14. Rb1 axb4 15. axb4 Na6 16. c5 $36 {[%mdl 2048] White has good play.} Nc7 17. Nc4 Nd5 (17... Qd8 $11 {remains equal.}) 18. Qb3 $16 {Nb6 is the strong threat.} Qe6 19. Bd2 Kh8 (19... Nc7 $14) 20. Bf3 Ng4 21. Rbe1 Qh6 ({Black should try} 21... Nge3) 22. Bxg4 $1 fxg4 23. Re5 ({Resist} 23. Nb6 $6 Nxb6 24. Rxe7 Nd5 $14) 23... Qg6 {[#]} 24. f5 $1 {[%cal Rf5g6]} ({Much worse is} 24. Nb6 $6 Nxb6 25. Rxe7 Nd5 $11) 24... Qf7 25. Ne4 Bf6 26. Ned6 Qg8 27. Re4 b5 {[#]} 28. Na5 $2 (28. Ne5 $1 $18) 28... Bd7 $11 29. Rxg4 Be5 30. Nab7 Nf6 31. Qxg8+ Kxg8 32. Rh4 Ra2 33. Bf4 Bxf4 34. Rhxf4 Nd5 35. Rxd4 Ne3 36. Rf3 $1 {[%cal Rf3e3]} Rxg2+ 37. Kh1 Re2 {( -> ...Re1+)} 38. h4 (38. Kg1 $5 {[%cal Rd4e4]} Nd5 39. Na5 $11) 38... Nxf5 39. Nxf5 {The position is equal.} Bxf5 40. Nd8 {[#]} Bh3 $1 {[%mdl 512]} 41. Rxf8+ (41. Rxh3 Rf1#) 41... Kxf8 {[%mdl 4096] Endgame KRB-KRN} 42. Rd6 Rb2 43. Nxc6 Bg2+ 44. Kg1 Bxc6 $1 45. Rxc6 Rxb4 {KR-KR} 46. Kf2 Ke7 47. Ke3 {Black must now prevent Rc7+.} Rxh4 48. Rb6 Kd7 49. d4 Rh3+ 50. Ke4 Rh4+ 51. Kd3 Rh3+ 52. Kd2 Rg3 53. Rxb5 h5 54. d5 {aiming for c6+.} Rg5 55. c6+ Kd6 56. Kd3 {Threatens to win with Rc5!} Rg3+ 57. Ke4 {Strongly threatening Rc5!} Rg4+ 58. Kf5 {And now Rb8 would win.} Rc4 59. Rb7 {Precision: White = 64%, Black = 67%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.15"]
[Round "4"]
[White "Liang, Awonder"]
[Black "Wang, Annie"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2569"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,0,15,15,11,21,24,25,31,6,11,10,7,5,11,5,10,0,0,0,0,0,0,-44,19,-51,0,0,0,0,0,0,38,0,0,0,0,0,0,0,0,0,0,0,0,0,157,167,216,216,450,87,1015,996,1228,1211,29984,29985]} 1. Nf3 e6 2. g3 Nf6 3. Bg2 Be7 4. O-O d5 {[%cal Bd7d5,Bd5c4][%mdl 32]} 5. c4 O-O 6. d4 dxc4 7. Nc3 Nbd7 8. a4 c5 {LiveBook: 7 Games. E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7)} (8... a5 9. e4 Nb6 10. Qe2 Bb4 11. e5 Nfd5 12. Ne4 Bd7 13. Nfg5 h6 14. Nh3 Be7 15. g4 f5 16. exf6 Nxf6 17. Nc5 e5 18. Nxd7 Qxd7 19. dxe5 Qxg4 20. f3 Qd4+ 21. Kh1 Nfd5 22. f4 Qd3 23. Qg4 Qf5 {½-½ (23) Romanov,E (2621)-Yakubboev,N (2462) Moscow 2018}) 9. e4 cxd4 10. Qxd4 Nc5 $146 {The position is equal.} ({Predecessor:} 10... Qc7 11. Bf4 Qc5 12. Rad1 Qxd4 13. Rxd4 Bc5 14. Rdd1 Re8 15. e5 Nd5 16. Nxd5 exd5 17. Rxd5 {½-½ (52) Puschendorf,S (2115)-Arns,A (1891) Wiesbaden 2017}) 11. Qxc4 b6 12. Rd1 Ba6 13. Qa2 Qc8 14. Bg5 {[#] aiming for e5.} h6 15. Bxf6 Bxf6 16. e5 Be7 17. Nb5 Bb7 18. b4 Na6 19. Rac1 Qe8 ({Black should play} 19... Qb8 $15) 20. Qb1 (20. Nd6 $11 Nxb4 21. Qb3 Bxd6 22. exd6) 20... Rc8 (20... Nxb4 $15 21. Nc7 Qxa4 22. Nxa8 Bxa8) 21. Rxc8 $11 Qxc8 22. Nd6 ({But not} 22. Nxa7 Qa8 $17) 22... Bxd6 $1 23. exd6 $40 {[%mdl 128] Black needs to defend precisely.} Rd8 (23... Qa8 $5 {[%cal Rb7f3]} 24. Ne1 Rd8 $11) 24. Ne5 {Black must now prevent Be4.} Bxg2 25. Kxg2 {Threatens to win with Qe4.} Qc3 26. Qe4 Nxb4 27. d7 {Hoping for Rd4.} Qc5 28. Rd4 f5 $1 {[%cal Rf5e4]} 29. Qh4 Nc6 30. Nf3 {Strongly threatening Rc4.} Qf8 $2 (30... Ne7 $1 $11) 31. Rc4 $16 {[%mdl 1024] White has strong compensation.} g5 {[#]} 32. Qh5 $1 Ne7 $2 (32... g4 {was worth a try.} 33. Rxc6 gxf3+ 34. Kxf3 (34. Qxf3 Qe7 $16) 34... Qf7 35. Qxh6 Qxd7 36. Qxe6+ (36. Qg6+ Kf8 $18) 36... Qxe6 37. Rxe6 Rd4) 33. Rc7 $2 (33. Ne5 $18 {and White stays clearly on top.}) 33... a6 $2 {[%mdl 8192]} (33... Qf6 $16) 34. Nd4 $18 Qf7 35. Qxh6 Ng6 36. Rc8 {Precision: White = 59%, Black = 40%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.15"]
[Round "4"]
[White "Chandra, Akshat"]
[Black "Tang, Andrew"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2486"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,95,24,27,17,25,9,37,30,28,11,46,38,24,37,35,39,35,2,11,0,1,6,2,13,19,27,164,164,157,158,165,163,163,162,160,167,172,178,177,177,203,166,176,148,182,183,263,274,247,200,292,308,355,363,377,371,381,382,370,290,302,295,305,298,306,263,559,582,871,848,1002,739,1489,1447]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 g6 8. d4 b5 9. Bc2 Bg7 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} O-O 11. h3 {C79: Ruy Lopez: Steinitz-type lines with 3...a6 4 Ba4 Nf6 5 0-0 d6} Re8 12. Nf1 Na5 {[%cal Bc6a5,Ba5b7,Bb7c5,Bc5d3][%mdl 32] LiveBook: 3 Games} (12... exd4 13. cxd4 Nb4 14. Bb1 c5 15. dxc5 dxc5 16. e5 Nh5 {0-1 (31) Vallejo Pons,F (2707)-Van Foreest,J (2629) Riadh 2017}) 13. b3 {White has an edge.} c5 14. Ng3 c4 $146 ({Predecessor:} 14... Nb7 15. Be3 cxd4 16. cxd4 {1-0 (35) Geller,J (2489)-Kalinichev,A (2348) Dagomys 2004}) 15. d5 Nb7 16. bxc4 bxc4 17. Rb1 Qc7 18. Be3 Nc5 19. Qe2 Rec8 20. Qxc4 Bb5 $1 {[%cal Rb5c4]} 21. Qb4 Nd3 22. Bxd3 $1 Bxd3 23. Rbc1 Rab8 24. Qa4 Nd7 {[#]} (24... Qd7 $11 25. Qxd7 Nxd7) 25. c4 $1 $18 {[%mdl 512]} Bxc4 {[#]} 26. Rxc4 $1 {[%mdl 512]} Qxc4 27. Qxd7 Qc7 28. Qa4 Qc4 29. Qa3 {aiming for Rc1.} Qb4 30. Qxa6 {Hoping for a3.} Ra8 31. Qe2 Qa4 32. Ra1 f5 33. Bd2 f4 34. Nf1 Rc4 (34... Qc4 $142 35. Qe1 Rxa2) 35. Ng5 Bf6 36. Qg4 {Threatening mate with Qe6+.} Re8 (36... Bxg5 $142 37. Qxg5 Rxe4) 37. h4 {[%cal Bh3h4,Bh4g5][%mdl 32]} Bxg5 38. hxg5 ({Weaker is} 38. Qxg5 Rxe4 39. h5 Kg7 $18) 38... Rc7 39. Qf3 Rb8 40. a3 Kg7 41. g3 Rb3 42. Qd1 ({Worse is} 42. Qh1 fxg3 43. Be3 gxf2+ 44. Bxf2 Rf7 $11) 42... fxg3 43. Nxg3 Ra7 44. Kg2 Qc4 $2 (44... Rxa3 45. Rxa3 Qxa3) 45. Rc1 {White is clearly winning.} Qb5 46. Bb4 Rd3 47. Qf1 Qa6 48. Rc6 {Precision: White = 72%, Black = 50%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.15"]
[Round "4"]
[White "Balakrishnan, Praveen"]
[Black "Burke, John Michael"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2411"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,88,7,0,0,0,0,0,4,4,6,7,4,0,0,0,0,0,0,0,0,0,36,33,45,35,36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 g6 {C45: Scotch Game} 11. f4 (11. Bd2 Bg7 12. c5 Nd5 13. Bc4 Qxe5 14. Qxe5+ Bxe5 15. Bxd5 cxd5 16. O-O-O O-O 17. Nxd5 Rb8 18. Bc3 Bxc3 19. Nxc3 {1-0 (49) Yu,Y (2729)-Dominguez Perez,L (2739) Doha 2016}) 11... Bb4 12. Bd2 a5 13. Bd3 {LiveBook: 3 Games} O-O 14. O-O f5 15. exf6 Qxe4 $146 ({Predecessor:} 15... Qxf6 16. Be3 d5 17. Qf3 Bxc3 18. bxc3 Qxc3 {½-½ (58) Tomazini,Z (2395)-Sonis,F (2453) Balatonszarszo 2017}) 16. Nxe4 ({Much weaker is} 16. Bxe4 Bc5+ 17. Kh1 Nxc4 $17) 16... d5 $1 {[%cal Rd5e4]} 17. Bxb4 axb4 18. cxd5 cxd5 19. Nc5 Rxf6 20. Be2 Na4 21. Nxa4 Rxa4 22. Rfc1 Rxf4 23. Rxc7 Be6 24. Bd1 Ra6 25. Bb3 d4 {[#] Strongly threatening ...Bxb3.The position is equal.} 26. Rf1 Rxf1+ 27. Kxf1 Bxb3 28. axb3 $11 {[%mdl 4096] Endgame KR-KR} d3 29. Rd7 Ra2 30. Rxd3 Rxb2 31. Rf3 Kg7 32. Kg1 Kh6 33. Rh3+ Kg5 34. Rxh7 Rxb3 35. Kf2 Rc3 36. Rb7 b3 37. Rb4 Kf5 38. h4 Ke5 39. g4 Kd5 {Threatening ...Kc5.} 40. h5 gxh5 41. gxh5 Kc5 42. Rb8 Kc4 43. Rc8+ Kd3 44. Rxc3+ Kxc3 {Precision: White = 88%, Black = 81%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.15"]
[Round "4"]
[White "Bian, Alex"]
[Black "Patel, Advait"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2291"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,14,5,23,14,8,0,32,-6,18,5,23,0,0,0,0,0,16,7,15,-8,-4,-15,-1,-5,-5,-112,-104,-182,-180,-191,-186,-347,-351,-352,-335,-446,-392,-387,-241,-897,-864,-1377,-947,-29989,-29990,-29990,-29991,-29991,-29991]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. g3 Nf6 5. Bg2 c6 6. Nge2 O-O 7. h3 e5 8. Be3 {LiveBook: 48 Games} Qe7 {B07: Pirc Defence: Miscellaneous Systems} (8... b5 9. dxe5 dxe5 10. Qxd8 Rxd8 11. Nc1 Nbd7 12. Nb3 a5 13. a4 b4 14. Nb1 c5 15. N1d2 Bb7 16. f3 Nh5 {1-0 (46) Vovk,A (2622)-Chatalbashev,B (2537) Fornebu 2017}) 9. Qd2 b5 $146 ({Predecessor:} 9... Nbd7 10. O-O-O b5 11. Rde1 Nb6 12. Bh6 a5 13. Bxg7 Kxg7 14. Kb1 b4 15. Nd1 Nc4 16. Qc1 {1-0 (39) Borsavolgyi,T (2280)-Benedek,Z (2140) Hungary 1997}) 10. a3 exd4 {The position is equal.} 11. Bxd4 Bb7 12. Rd1 Rd8 13. O-O Nbd7 14. Be3 Nc5 {[%cal Rf6e4]} 15. Bg5 Rd7 {[%cal Rc5e4]} 16. Qe3 a5 17. Nd4 b4 18. Nce2 Re8 {[%cal Rc5e4]} 19. axb4 axb4 {[%cal Rc5e4]} 20. f3 (20. e5 $1 $11 {keeps the balance.} Qxe5 21. Nxc6 Qxb2 22. Bxf6 Rxe3 23. Bxb2 Rxe2 24. Bxg7 Kxg7 25. Nxb4) 20... d5 $17 21. Nb3 {[#]} (21. e5 $17 {was worth a try.} Qxe5 22. Qxe5 Rxe5 23. Bd2) 21... Nxb3 $1 $19 22. Qxb3 Ba6 ({Resist} 22... dxe4 23. fxe4 Rxd1 24. Rxd1 $17) 23. Rfe1 $2 (23. Qe3) 23... dxe4 {Hoping for ...Rxd1.} 24. Rxd7 Qxd7 25. Qxb4 {[%cal Rf3e4]} exf3 26. Bxf3 Qxh3 $40 {[%mdl 128] Black has strong attack.} 27. c4 $2 (27. Bxf6 Bxf6 28. Bg4) 27... Ng4 28. Bg2 Qh5 29. Bf4 c5 {Black mates.} 30. Qd2 Bxc4 31. b3 {[#]} Bd4+ $1 {Precision: White = 28%, Black = 51%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.16"]
[Round "5"]
[White "Burke, John Michael"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2608"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,60,21,19,15,16,17,0,17,14,12,12,9,4,25,0,0,4,4,-8,-6,-6,-7,-7,0,-8,-7,-12,-11,-17,-14,-8,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6][%mdl 32]} 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. Nc3 Qe6 10. Qe4 d5 {C45: Scotch Game} (10... g6 11. Bd2 Bg7 12. c5 Nd5 13. Bc4 Qxe5 14. Qxe5+ Bxe5 15. Bxd5 cxd5 16. O-O-O O-O 17. Nxd5 Rb8 18. Bc3 Bxc3 19. Nxc3 {1-0 (49) Yu,Y (2729)-Dominguez Perez,L (2739) Doha 2016}) 11. exd6 Qxe4+ 12. Nxe4 cxd6 13. Bd2 {LiveBook: 4 Games} Bf5 14. Ng3 Be6 15. b3 Be7 16. Be2 O-O 17. O-O {[#]} a5 $146 ({Predecessor:} 17... Rfc8 18. Rac1 a5 19. Be3 {½-½ (19) Cornette,M (2591)-Schroeder,J (2513) Rhodes 2015}) 18. Bf3 Rfc8 19. Be3 Nd7 {The position is equal.} 20. Rad1 a4 21. Ne4 axb3 22. axb3 d5 23. cxd5 Bxd5 24. Nd2 Nf6 25. Rc1 Rab8 26. Bc5 Bxc5 27. Rxc5 Bxf3 28. Nxf3 Rxb3 29. Nd4 Rb6 30. Rfc1 Nd7 {Precision: White = 54%, Black = 62%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.16"]
[Round "5"]
[White "Tang, Andrew"]
[Black "Li, Ruifeng"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2507"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "172"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,172,0,2,-1,-1,0,13,11,10,18,32,16,15,24,14,27,17,14,29,20,21,7,28,33,103,87,96,88,136,145,143,135,147,86,100,33,28,33,119,114,105,32,32,21,50,49,43,0,0,0,0,0,0,0,41,23,26,24,33,7,7,14,76,82,79,0,0,0,0,-3,0,0,0,-3,-3,-3,0,0,0,-10,-9,-38,-31,-88,-88,-88,-88,-88,-51,-88,-44,-28,-10,-58,-58,-59,-59,-59,-58,-58,-58,-58,-58,-58,-58,-58,-51,-51,-51,-58,-58,-58,-58,-58,-58,-58,-58,-58,-58,-58,-51,-51,-51,-51,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. h3 O-O 6. Be2 b6 7. O-O Bb7 8. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 {LiveBook: 59 Games} 9. a5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (9. Nbd2 Nbd7 10. Bh2 Ne4 11. Nxe4 Bxe4 12. c3 e5 13. Nd2 Bb7 14. Bf3 Qc8 15. Qb3 Rb8 16. Rfd1 Re8 {½-½ (33) Howell,D (2676)-Demchenko,A (2660) Riadh 2017}) 9... b5 10. c4 bxc4 11. Bxc4 Nbd7 12. Nc3 e6 $146 ({Predecessor:} 12... Ra7 13. Re1 Qa8 14. b4 Nh5 15. Bg5 Qd8 16. d5 Ne5 17. Be2 Nxf3+ 18. Bxf3 Nf6 19. Qd2 Nd7 20. Ra4 Ne5 21. Be2 c5 {½-½ (21) Madsen,H (2129)-Letay,G (2107) Budapest 2010}) 13. Qe2 Qe7 14. Rfd1 d5 15. Bd3 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 16. Na4 c4 17. Bc2 Bc6 18. Nc3 Nh5 19. Bh2 f5 (19... Rfc8 $14) 20. b3 $1 $16 cxb3 21. Bxb3 Qb4 22. Qa2 {[%cal Rc3d5]} Qe7 ({But not} 22... Qxc3 $2 23. Rac1 $18) 23. Rac1 Rac8 24. Ne2 (24. Rd2 $142) 24... Bb5 25. Nf4 ({Better is} 25. Re1 $16) 25... Nxf4 $14 26. Bxf4 Bf6 ({Black should try} 26... Nf6 $1 $14) 27. Ba4 $16 Bc4 28. Qb2 (28. Qb1 $16) 28... Nc5 $1 $14 {[%cal Rc5a4]} 29. Bc2 Be2 30. Re1 Bb5 31. Qa2 Ne4 32. Bxe4 fxe4 33. Ne5 g5 34. Bg3 Kg7 35. Qb2 Bxe5 36. Bxe5+ Kg6 37. Rc5 Rxc5 38. dxc5 Qxc5 (38... Rc8 $11) 39. Rc1 $1 $16 {[%cal Rc1c5]} Bc4 {[#]} 40. Qb6 (40. Qb7 $1 $16 {[%cal Rb7g7] White wants to mate with Qg7+.} Rf7 {[#]} 41. Qxa6 $1 {[%mdl 512]} Bxa6 42. Rxc5) 40... Qc8 $1 $11 41. Rb1 Qd7 42. Bc3 h5 43. Qd4 Bb5 $1 44. Qe5 Qf7 $36 {[%mdl 2048] Black is pushing.} 45. Rb2 h4 46. f3 exf3 47. gxf3 Rg8 48. Rg2 (48. Rf2 {feels hotter.} Qf5 49. Qd4 Kh5 50. Qg4+ Kh6 51. e4) 48... Qf5 49. f4 (49. Qf4 $15) 49... Qxe5 $17 50. Bxe5 {[%mdl 4096] Endgame KRB-KRB} Kf5 51. Bd4 Bd7 52. Kf2 Ke4 {And now ...e5 would win.} 53. Bf6 d4 54. Bxd4 e5 $1 {[%cal Re5d4]} 55. Bb2 exf4 56. exf4 Kxf4 57. Bc1+ Kf5 {Strongly threatening ...Kf6.} 58. Kg1 $1 Kf6 59. Kh2 Bf5 60. Bd2 Rg6 61. Bc3+ Ke7 62. Bd2 g4 63. hxg4 Bxg4 64. Be1 h3 $1 {[%cal Rh3g2]} 65. Rg1 Kf6 66. Bh4+ Kg7 67. Bf2 Kh6 68. Rb1 Be6 69. Bg3 Rg4 (69... Kg5 $15) 70. Re1 {The position is equal.} Bf5 71. Re5 Kg5 {...Ra4 is the strong threat.} 72. Kxh3 Ra4+ 73. Kg2 Kg4 74. Be1 Ra2+ 75. Kg1 Kf4 76. Rc5 Bd3 77. Rc3 Ke3 {aiming for ...Ra1.} 78. Bf2+ Ke2 79. Bb6 Ra4 80. Rc6 Rh4 81. Rf6 Be4 {[%csl Ge4][%cal Rh4h1]} 82. Rf2+ Kd3 {[%csl Ge4][%cal Rh4h1]} 83. Rf6 Rh3 84. Kf2 Rh2+ 85. Kg3 Rg2+ 86. Kf4 {Black must now prevent Rd6+.} Bd5 {Precision: White = 73%, Black = 56%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.16"]
[Round "5"]
[White "Patel, Advait"]
[Black "Balakrishnan, Praveen"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2461"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,63,32,23,72,72,78,57,72,74,67,0,1,0,6,3,22,28,37,0,0,0,0,0,0,0,0,0,0,0,35,43,44,0,0,0,6,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O b5 8. Nxc6 Qxc6 9. e5 Bb7 10. Bf3 Qc7 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} 11. Re1 {LiveBook: 3 Games. Threatening Bxb7.} f5 $146 ({Predecessor:} 11... Ne7 12. Ne4 Nf5 13. Bf4 Nh4 14. Bh5 Ng6 15. Bg3 Be7 16. Qd4 Rc8 17. Bf3 Rd8 18. Nd6+ Bxd6 19. exd6 Qc8 20. Bxb7 Qxb7 21. Qxg7 Rc8 22. h4 h5 23. Re5 Rf8 24. Rg5 {1-0 (24) Chernyshov,K (2505)-Jolowicz,M (2255) Dresden 1995}) 12. exf6 Nxf6 {White is better.} 13. Bg5 Be7 14. Bxb7 Qxb7 15. Qd3 ({White should try} 15. Bxf6 $1 $14 Bxf6 16. Qh5+ g6 17. Qh6) 15... O-O $11 16. Rad1 Rac8 17. Ne4 Qc6 18. Bxf6 Bxf6 19. Nd6 ({Much weaker is} 19. Qxd7 Qxd7 20. Rxd7 Rxc2 $15) 19... Rc7 20. c3 Qb6 21. Re2 Rc5 {[#] And now ...Rd5 would win.} 22. Ne4 Rd5 23. Qc2 Rxd1+ $1 24. Qxd1 d5 25. Nxf6+ Rxf6 26. Qd4 Qxd4 {The position is equal.} 27. cxd4 {KR-KR} Rf4 28. Rd2 Rf8 29. Rc2 Rf4 30. Rd2 $1 Rf8 31. Rc2 Rf4 32. Rd2 $1 {Precision: White = 66%, Black = 60%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.16"]
[Round "5"]
[White "Brattain, Mika"]
[Black "Liang, Awonder"]
[Result "0-1"]
[ECO "D90"]
[WhiteElo "2399"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,0,43,35,41,23,26,28,14,8,24,1,0,-12,22,27,25,27,37,25,30,31,87,86,175,169,132,0,13,39,47,-30,0,-81,-87,-77,-67,-105,-112,-146,-134,-135,-113,-237,-199,-200,-197,-229,-224,-210,-215,-321,-312,-348,-353,-347,-359,-350,-350,-348,-345,-407,-402]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 (5. e3 O-O 6. Bd2 dxc4 7. Bxc4 Nbd7 8. e4 c5 9. d5 Ne8 10. Qe2 a6 11. a4 Nd6 12. Bd3 Ne5 13. Nxe5 Bxe5 14. O-O e6 15. Be3 exd5 16. Nxd5 {½-½ (25) Mamedyarov,S (2808)-Vachier Lagrave,M (2789) Stavanger 2018}) 5... e6 6. Bg5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} h6 7. Bxf6 Bxf6 8. Qb3 $146 {[%cal Rc4d5] White has an edge.} ({Predecessor:} 8. e3 O-O 9. Bd3 dxc4 10. Bxc4 c5 11. Qd2 cxd4 12. exd4 Nc6 13. Qxh6 {½-½ (58) Chiku Ratte,O (2317)-Vettese,N (2155) Montreal 2017}) 8... dxc4 9. Qxc4 Bg7 10. e4 a6 11. Rd1 O-O (11... b5 $5 {[%cal Rb5c4]} 12. Qb3 Qe7 $11) 12. e5 b5 13. Qd3 Bb7 14. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} g5 $1 15. Ne4 Re8 (15... Nd7 $14) 16. Nfxg5 $16 hxg5 (16... Nd7 $16) 17. h6 $18 Bh8 18. Rh5 (18. h7+ $16 Kf8 19. Nf6) 18... Bxe4 $1 $11 19. Qxe4 Nd7 20. Rd3 (20. Be2 $14) 20... f5 21. exf6 (21. h7+ $1 $11 Kf7 22. Qe3) 21... Nxf6 $17 22. Rxg5+ Kf8 23. Rf3 {[#] Intending Qh7 and mate.} Ke7 $1 24. Qh4 Rg8 25. Rxg8 Qxg8 26. a4 (26. Rg3 $17 {was worth a try.} Qd8 27. Be2) 26... Qg4 27. Qxg4 Nxg4 28. Rc3 Bxd4 29. Rxc7+ Kd6 30. Rf7 (30. Rc2 $142) 30... Nxh6 $19 31. Rh7 Ng4 ({Less strong is} 31... Bxb2 32. Rxh6 bxa4 33. Bc4 $15) 32. axb5 axb5 ({Don't do} 32... Bxb2 33. Rh4 $19) 33. Bxb5 {White hopes to continue with Rd7+.} Bxf2+ 34. Ke2 {intending Rg7.} Rb8 35. Ba4 Rxb2+ {Precision: White = 39%, Black = 62%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.16"]
[Round "5"]
[White "Wang, Annie"]
[Black "Bian, Alex"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2299"]
[BlackElo "2291"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,156,35,29,52,33,57,18,12,12,8,15,72,0,54,57,51,51,75,-11,-14,-6,-12,-8,-8,-43,-26,-43,-36,-81,-66,-69,-63,-73,-46,-90,-69,-65,-64,-75,-73,-68,-66,-76,-74,-70,-71,-69,-52,-66,-42,-53,-35,-51,-18,-27,2,7,37,38,56,-12,-14,-168,-170,-172,-175,-170,-160,-163,-165,-170,-168,-167,-161,-145,-170,-259,-174,-204,-129,-129,-126,-129,-129,-139,-129,-139,-129,-129,-129,-129,-129,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-88,-129,-92,-109,-72,-129,-36,-129,-86,-88,-87,-87,-15,-88,-45,-102,-88,-149,-149,-315,-315,-315,-140,-140,-140,-140,0,0,0,-29971,-29973,-29974,-29974,-29975,-29976,-29976,-29977,-29977,-29977,-29977,-29979]} 1. d4 g6 2. c4 Bg7 3. Nf3 e6 4. Nc3 Ne7 5. e3 O-O 6. Be2 {A40: Unusual replies to 1 d4} d5 7. O-O {LiveBook: 4 Games} dxc4 $146 ({Predecessor:} 7... Nbc6 8. Qc2 b6 9. Rd1 Bb7 10. a3 Ba6 11. b3 Na5 12. Qa2 c5 13. Bb2 cxd4 14. Nxd4 Rc8 15. cxd5 Bxe2 16. Ndxe2 exd5 {½-½ (61) Bocharov,D (2574)-Motylev,A (2665) Sochi 2017}) 8. Bxc4 {White is slightly better.} b6 9. b3 c5 10. Bb2 cxd4 11. Nxd4 {Black should prevent Qf3.} Bb7 (11... Nbc6 $11 {remains equal.}) 12. Qe2 (12. Ba3 $16) 12... a6 (12... Nbc6 $11) 13. Rfd1 $14 Qc7 14. Rac1 Nbc6 15. Nxc6 (15. Nxe6 $16 fxe6 16. Bxe6+ Kh8 17. Rd7) 15... Qxc6 $11 {[%csl Gb7][%cal Rc6g2]} (15... Bxc6 $6 16. Bxa6 Qa7 17. Bd3 $16) 16. f3 {Black must now prevent Ne4.} b5 $1 {[%cal Rb5c4]} 17. Bd3 {[%cal Rc3b5]} Qb6 18. Kh1 Rac8 19. Bb1 Rc7 (19... Qa5 {is interesting.} 20. Qd2 Rfd8 21. Qe2 Nf5 22. e4 Nd4) 20. Ne4 Rxc1 21. Bxc1 Rc8 22. Bd2 Nd5 23. Nf2 Nc3 24. Bxc3 $1 Rxc3 25. e4 Bd4 {[%cal Bg7d4,Bd4c5,Bc5e7,Be7d8,Bd8c7][%mdl 32]} 26. Qd2 e5 27. Nd3 {[%cal Bf2d3,Bd3c1,Bc1e2,Be2c3,Bc3d5][%mdl 32]} a5 28. Nc1 Rc8 29. Ne2 {[%cal Re2d4]} Bc5 30. h3 Be7 31. Nc3 Qc5 32. Nd5 Bd8 (32... Bxd5 $5 33. exd5 b4 $11) 33. b4 Qa7 34. bxa5 Rc4 35. Qb2 Bxd5 36. Qxe5 ({White should play} 36. Qxb5 $14 Qxa5 37. Qe8+ (37. Qxd5 Qxd5 38. Rxd5 Bg5 $11) (37. Rxd5 $2 Qe1+ 38. Kh2 Bh4 $19) 37... Kg7 38. Qxe5+ (38. exd5 Rd4 $11) 38... Bf6 39. Qxd5 Qxd5 40. exd5) 36... Bc7 37. Qxd5 $2 (37. Qe8+ $11 Kg7 38. exd5) 37... Qe3 $1 $19 {And now ...Rc1 would win.} 38. e5 Bxe5 39. Be4 ({But not} 39. Qxb5 $2 Qf4 $19) 39... Rd4 40. Qxe5 ({Avoid the trap} 40. Qa8+ $2 Kg7 $19) 40... Rxd1+ $17 {[%mdl 4096] Endgame KQR-KQB} 41. Kh2 Qg1+ 42. Kg3 Qe1+ 43. Kh2 Qxa5 44. a4 (44. Qe8+ $142 Kg7 45. Qe5+ Kf8 46. Qh8+ Ke7 47. Qe5+ Kd7 48. Bd5) 44... Qb6 $19 ({Weaker is} 44... Qxa4 45. Qe8+ Kg7 46. Qe5+ Kf8 47. Qb8+ Ke7 48. Qc7+ Kf6 49. Bc2 $11) 45. axb5 Qd6 46. Qxd6 Rxd6 $17 {KR-KB} 47. Kg3 {[#]} f6 $1 {[%cal Bf7f6,Bf6f5][%mdl 32]} 48. h4 Kg7 49. Kf4 f5 50. Bc6 {next Ke5 is good for White.} Kf6 51. Ke3 Ke5 52. g3 Rd1 53. f4+ Kd6 54. Ke2 Rg1 55. Kf2 Rb1 56. Ke2 Kc5 57. Ke3 Rb3+ 58. Kf2 Kd4 (58... Kb6 $142 59. h5 gxh5) 59. Be8 Rb2+ 60. Kf3 Kd3 61. Bc6 (61. h5 $142) 61... Kd2 (61... Kc4 $17 {Hoping for ...Rd2.} 62. h5 gxh5) 62. Kf2 (62. h5 $1 $15) 62... Kd1+ 63. Kf1 Kc1 64. Kg1 Kb1 (64... Kc2 $17 {...Kd3 is the strong threat.} 65. Kg2 Kd3+ 66. Kh3 h6) 65. Kf1 (65. h5 $1 $11) 65... Ka2 66. Kg1 (66. Bd5+ $15 Ka1 67. Bc4) 66... Ka3 67. Kf1 (67. h5 $142) 67... Kb4 68. Kg1 $2 (68. Be8 $17) 68... Kc4 $19 69. Kf1 Kc5 (69... Kd4 $19 {and Black stays clearly on top.} 70. Kg1 Kc5) 70. Ke1 Kb6 71. Kf1 Rxb5 ({Black should try} 71... Kc7 $17 {Threatens to win with ...Kb6.} 72. Kg1 Kb6) 72. Bxb5 $11 Kxb5 $17 {K3P-K3P} 73. Ke2 $2 {[%mdl 8192]} (73. Kg2 $11) 73... Kc4 {Black mates.} 74. Kd2 Kd4 75. Ke2 Ke4 76. Kf2 {[#]} Kd3 $1 77. Kf3 Kd2 78. Kf2 h5 {Precision: White = 38%, Black = 55%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.18"]
[Round "6"]
[White "Li, Ruifeng"]
[Black "Liang, Awonder"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2583"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,114,0,0,0,0,-17,-15,-23,8,8,18,25,19,22,19,19,19,18,22,20,25,0,7,5,31,29,27,27,27,32,39,32,23,6,12,9,15,0,0,3,13,14,25,0,0,0,0,0,12,10,25,24,24,18,29,24,29,37,61,66,73,32,66,6,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. Bg5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 e6 10. Qxb7 Nxd4 11. Bb5+ Nxb5 12. Qc6+ Ke7 13. Qxb5 Qd7 14. Nxd5+ Qxd5 15. Qxd5 exd5 16. Be3 Ke6 17. O-O-O Bb4 18. Rd3 Rhc8+ 19. Kb1 Bc5 20. Rc1 Bxe3 21. fxe3 g5 22. Ra3 Rxc1+ 23. Kxc1 a5 24. Kd1 Rb8 25. b3 Rb5 26. Ra4 h5 27. Ke1 f5 28. h3 Kd6 29. Ke2 Rc5 30. Kd2 Rb5 31. Ke2 Rc5 32. Kd2 Rb5 {½-½ (32) Ivanchuk,V (2729)-Najer,E (2706) Kocaeli 2017}) 7... Qa5 {LiveBook: 7 Games} 8. Bd2 Bxf3 9. Qxf3 $146 {[%cal Rc3d5]} ({Predecessor:} 9. gxf3 dxc4 10. Bxc4 Nxd4 11. Nb5 Qb6 12. Be3 e5 13. Bxd4 exd4 14. Qxd4 Bb4+ 15. Kf1 Qxd4 16. Nxd4 {0-1 (28) Sandor,L-Szoukup,H (1933) Budapest 2009}) 9... Nxd4 10. Qd1 e6 11. Nxd5 Qd8 12. Bc3 Bc5 13. Bxd4 Bxd4 14. Qxd4 exd5 15. O-O-O {[%cal Rc4d5]} dxc4 16. Qe5+ Qe7 17. Qb5+ Kf8 $132 {[%mdl 2048] Black is not keeping still} 18. Bxc4 a6 19. Qa5 Rc8 20. Rd4 {[#] Threatens to win with Re1.} g6 {Strongly threatening ...b5.} 21. Re1 Qc5 22. Qxc5+ Rxc5 23. Kd2 (23. b4 {with more complications.} Rc7 24. Kb2 Kg7 25. a4 h5 26. Kb3) 23... Rc7 24. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kg7 25. a5 Rhc8 26. b3 Kf8 27. Kc3 Nd7 28. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} b5 29. axb6 $1 Nxb6 30. Ra1 Ra7 31. Ra5 h5 32. f5 Rc6 33. h4 Kg7 34. g4 {White wants to play fxg6.} Nxc4 35. bxc4 gxf5 36. gxh5 $11 {[%mdl 4096] Endgame KRR-KRR} Kh6 37. Rxf5 a5 $1 38. Rdf4 (38. Rd8 $14) 38... Rcc7 {The position is equal.} 39. Rf2 a4 $1 40. Kb4 a3 41. Ra2 Rcb7+ 42. Rb5 f5 43. Rxa3 Rxb5+ 44. cxb5 {KR-KR} Rf7 $1 45. b6 f4 46. Ra7 Rf8 47. Ra1 Kxh5 48. Rh1 f3 49. Kc5 Rf5+ 50. Kc6 Rf6+ 51. Kc7 {[#] aiming for b7.} Rf7+ 52. Kc6 Rf6+ 53. Kc5 {b7 is the strong threat.} Rf5+ 54. Kc4 {Hoping for b7.} Rf4+ 55. Kb5 f2 56. Rf1 Kxh4 57. b7 Rf8 {Precision: White = 53%, Black = 82%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.18"]
[Round "6"]
[White "Tang, Andrew"]
[Black "Burke, John Michael"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2507"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,0,13,0,0,0,0,0,2,7,20,14,20,22,21,22,24,18,18,-10,-15,-11,-5,-6,-13,-80,-76,-95,-89,-199,-170,-165,-89,-75,-25,-52,-8,-13,39,4,162,163,123,51,292,113,329,319,294,297,501,312,285,41,41,41,41,41,31,22,22,22,22,-820,-862]} 1. d4 g6 2. Nf3 Bg7 3. Bg5 Nf6 4. e3 O-O 5. Bd3 d6 6. O-O c5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (6... Nbd7 7. Nbd2 h6 8. Bh4 e5 9. c3 Qe7 10. Qc2 c6 11. Rad1 Re8 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Ne4 g5 15. Bg3 Nd5 {0-1 (64) Thorfinnsson,B (2400)-Vachier Lagrave,M (2793) chess.com INT 2018}) 7. c3 Nbd7 8. Nbd2 b6 9. Re1 Bb7 10. e4 h6 {LiveBook: 3 Games} 11. Bh4 cxd4 12. cxd4 Rc8 13. a4 $146 ({Predecessor:} 13. Qe2 Nh5 14. Qe3 Ndf6 15. Bxf6 Nxf6 {½-½ (26) Majer,D (2191)-Cimicki,D (2132) LSS email 2013}) 13... Nh5 14. a5 Nf4 15. Bf1 bxa5 16. Nc4 g5 17. Nxa5 Ba8 18. Bg3 Nh5 19. Bd3 Nxg3 20. hxg3 e6 21. Qd2 g4 22. Nh4 (22. Nh2 $11) 22... Qg5 $17 ({Reject} 22... Bxd4 $6 23. Ba6 $11) 23. Qb4 Rb8 24. Qc3 (24. Qxd6 $17 Rfd8 25. f4) 24... Rfc8 25. Nc4 d5 (25... Nc5 $19 {Hoping for ...Rb3.} 26. Rxa7 Rb3) 26. exd5 exd5 27. Rxa7 dxc4 28. Bf5 Nb6 {[#]} (28... Rb3 $11 29. Qa5 Bb7 30. Bxd7 Qxa5 31. Rxa5 Rd8) 29. Rxf7 $1 $14 {[%mdl 512]} Nd5 $2 (29... Bd5 $1 $11 30. Rfe7 Rf8) (29... Kxf7 30. Be6+) 30. Qa3 $1 $18 {[%cal Ra3a7][%mdl 1024] White has strong compensation.} Re8 (30... Kxf7 $2 {loses.} 31. Be6+ Ke8 32. Bxd5+ Be5 33. Rxe5+ Qxe5 34. dxe5 $18) 31. Be6 (31. Rxe8+ $16 Rxe8 32. Ra7) 31... Kh8 $2 (31... Rxe6 $1 $14 32. Rxg7+ Qxg7 33. Rxe6 Qf8) 32. Nf5 $2 (32. Qa7 $1 $18 {is the precise move to win. Strongly threatening Re5!} Rg8 33. Re5 $1 {[%mdl 512]} Qc1+ 34. Kh2 Qxb2 35. Rh5) 32... Bf6 $2 (32... Qd2 $16 {was worth a try.} 33. Qa1 Rf8) 33. Qa7 {[%csl Ga7][%cal Rf7h7]} Qg6 34. Nd6 $1 {[%csl LRc4,LRe8]} Bg7 $2 (34... Bc6) 35. Nxe8 Rxe8 {[#]} 36. Re2 $2 (36. Re5 $1 $18 {[%mdl 512] White threatens Bf5 and mate.} Bxe5 37. dxe5) 36... Bc6 $1 $14 37. Bf5 Qxf7 $1 38. Qxf7 Rxe2 39. Bxg4 Re7 40. Qf5 {Bf3 is the strong threat.} Nf6 41. Qc8+ $2 {[%mdl 8192]} (41. Bf3 $11 Re1+ 42. Kh2 Bxf3 43. gxf3) 41... Re8 {Precision: White = 39%, Black = 36%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.18"]
[Round "6"]
[White "Chandra, Akshat"]
[Black "Patel, Advait"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2486"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,71,84,24,60,50,64,51,100,61,81,83,91,72,90,89,91,97,148,157,138,113,114,86,98,66,72,30,23,-8,0,0,87,89,134,150,138,75,137,93,488,500,667,555,29990,29991,29992,29993,29998,29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 Nbd7 6. Nf3 e5 7. d5 Nc5 8. Qc2 a5 9. g4 O-O 10. Be3 Qe7 11. Nd2 c6 12. Be2 Bd7 {LiveBook: 3 Partien} 13. Rg1 $146 {E92: Königsindisch (Klassisches System)} (13. O-O-O $16) ({Vorgänger:} 13. a4 Na6 14. Kf1 Nb4 15. Qd1 Ne8 16. Kg2 f5 17. f3 Bf6 18. Rc1 c5 19. Nf1 Bg5 20. b3 Ng7 {0-1 (34) Grigoryan,A (2572)-Demchenko,A (2610) St Petersburg 2012}) 13... Ne8 14. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Nc7 15. h5 {Weiß steht etwas besser.} Rfc8 16. a3 cxd5 17. exd5 N7a6 18. hxg6 hxg6 19. Nde4 Nxe4 20. Nxe4 Nc7 (20... Nc5 $142) 21. Qd2 $16 Ne8 22. g5 Bf5 23. Nc3 Qd7 24. a4 Nc7 25. Bd3 Na6 {Droht ...Sb4 und aus.} 26. Nb5 Bxd3 27. Qxd3 e4 (27... Nc5 $1 $11 28. Bxc5 e4) 28. Qxe4 Bxb2 29. Rb1 Bg7 30. Kf1 ({Lieber} 30. Qg4 Qe7 31. Kf1) 30... Nc5 (30... Qh3+ $142 31. Ke2 Nc5) 31. Qh4 Nxa4 $2 {[%mdl 8192]} (31... Re8 $16 {ist eine bessere Chance.}) 32. Rh1 $18 {[#] Weiss droht Ld4 und Matt.} Qf5 {...Dd3+ ist eine echte Drohung.} 33. Kg2 Be5 34. Nxd6 {Weiß setzt Matt.} Qd7 35. Bd4 Rxc4 {[#]} 36. Qh8+ $1 {[%mdl 512] Precision: Weiß = 70%, Schwarz = 26%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.18"]
[Round "6"]
[White "Balakrishnan, Praveen"]
[Black "Wang, Annie"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2411"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,129,0,0,0,19,20,4,18,25,33,17,15,14,16,15,89,72,89,61,96,105,106,72,89,67,70,60,85,73,66,72,72,75,71,85,93,28,28,29,88,81,77,81,117,112,130,134,138,84,84,84,84,84,85,76,210,203,202,202,202,196,193,179,186,175,202,202,206,189,212,206,415,415,409,401,401,401,378,349,399,391,353,235,1283,1267,1889,1364,3817,3212,1680,1468,29955,12253,6219,5289,29971,29969,29970,29971,29974,29975,29975,29976,29980,29981]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. dxc5 Bxc5 10. Bd3 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (10. Ne2 O-O 11. Ned4 Qb6 12. c3 b4 13. Bd3 a5 14. O-O Ba6 15. Kh1 Bxd3 16. Qxd3 Qa6 17. Qc2 bxc3 18. bxc3 {½-½ (31) Dominguez Perez,L (2739)-So,W (2788) Saint Louis 2017}) 10... Qb6 11. Bf2 h6 12. O-O Bxf2+ 13. Qxf2 Qxf2+ 14. Kxf2 {LiveBook: 3 Games} g5 15. g3 g4 16. Nd2 {[%cal Bf3d2,Bd2b3,Bb3d4][%mdl 32]} Bb7 $146 ({Predecessor:} 16... h5 17. Nb3 Ke7 18. Ne2 h4 19. Ke3 Nb6 20. Nbd4 Nxd4 {½-½ (20) Dunlop,G (2503)-Orsteinsson,O (2459) ICCF email 2016}) 17. Nb3 h5 18. Ne2 Ke7 19. Ned4 Nxd4 20. Nxd4 f6 (20... h4 $11 {remains equal.}) 21. exf6+ $16 Kxf6 22. Rae1 Rhe8 23. Kg2 Re7 24. h3 gxh3+ 25. Kxh3 Rg8 26. Rh1 Nf8 27. Re3 Reg7 28. Be2 Bc8 {[#] Threatens to win with ...e5+.} 29. Kg2 Ng6 30. Rf1 $36 {[%mdl 2048] White has strong initiative.} ({But not} 30. Bxh5 Nxf4+ 31. Kf2 e5 $11) 30... Rh8 31. Bd3 (31. c3 $16) 31... Nf8 $11 32. Kf3 Ng6 (32... Rhg8 $1 $11 {keeps the balance.}) 33. Bxg6 Rxg6 34. Rh1 Bd7 35. Re5 Rgh6 36. Rhe1 {[%cal Rd4e6]} Re8 37. f5 (37. a3 $142) 37... Kf7 $16 38. fxe6+ Bxe6 39. Kg2 Rf6 40. c3 Re7 (40... Bd7 $16 {is a better defense.}) 41. R1e2 $18 Re8 42. Rxh5 Bg4 43. Rh7+ Kg6 44. Rxe8 Kxh7 {[%mdl 4096] Endgame KRB-KRN} 45. Rd8 Kg7 46. Rxd5 Bc8 {[#] aiming for ...Bb7.} 47. Re5 Bb7+ 48. Kg1 {Hoping for Re7+.} Kg6 $2 (48... Kf7 49. a3 Rh6) 49. Re6 Bd5 50. Rxf6+ Kxf6 {KB-KN} 51. a3 Ke5 52. Kh2 Ke4 53. Kh3 Kd3 54. Kg4 Kd2 $2 (54... a5 55. Kf5 b4 56. cxb4 (56. axb4 axb4 57. c4 Bxc4 $11) 56... axb4) 55. Kf4 Kc1 56. Ke5 Bg8 57. b4 Kb2 58. Nc6 Kxc3 59. Nb8 Kb3 60. Nxa6 Kxa3 61. Kd4 {White mates.} Be6 62. Kc5 Ka4 63. Nc7 Bd7 64. Nd5 Bf5 65. Nc3+ {Precision: White = 74%, Black = 41%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.18"]
[Round "6"]
[White "Bian, Alex"]
[Black "Brattain, Mika"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2291"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,97,-18,-18,-16,-23,-28,-37,-18,-34,-33,-68,-31,-55,0,0,44,28,38,0,0,0,0,0,25,-81,-79,-106,-100,-104,-103,-97,-98,-113,-93,-244,-240,-236,-185,-189,-160,-229,-229,-213,-201,-200,-201,-168,0,0,278,277,258,267,252,268,370,348,411,437,550,389,555,552,548,535,543,539,518,495,532,527,527,523]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. f5 e5 {B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7} (10... Ne5 11. Qg3 b5 12. fxe6 fxe6 13. Bd3 O-O 14. Rhf1 Bd7 15. Kb1 Rf7 16. Nf3 Nxd3 17. cxd3 b4 18. Ne2 {1-0 (36) Negi,P (2622)-Wen,Y (2545) Mashhad 2011}) 11. Nde2 b5 12. Bxf6 Nxf6 13. Nd5 Nxd5 14. exd5 {LiveBook: 4 Games} b4 15. Ng3 O-O 16. Bd3 $146 ({Predecessor:} 16. Kb1 Bd7 17. Bd3 a5 18. Ne4 {½-½ (30) Relyea,A (2200)-Taras,I (2334) ICCF email 2016}) 16... a5 17. Kb1 f6 18. Nh5 Rf7 19. g4 Bd7 (19... a4 $15 20. Bb5 a3) 20. h4 $11 Raf8 21. Rdg1 Qc5 22. g5 fxg5 23. hxg5 {[#] Qh3 is the strong threat.} Rxf5 24. Bxf5 Rxf5 25. Qd3 (25. Qe4 $11 {was the only way to keep the balance.} Qd4 26. Qxd4 exd4 27. g6) 25... g6 $17 26. Ng3 Rxg5 27. Rf1 Qd4 {[#] And now ...Qxd3 would win.} ({Much worse is} 27... Bb5 $6 28. Qf3 $11) 28. Ne4 {Strongly threatening Qa6.} Rf5 29. Rc1 Rf4 $36 {[%mdl 2048] Keeping White busy.} 30. Rhe1 $2 (30. Qxd4 $17 exd4 31. Rce1) 30... Bh4 31. Re2 Bg4 32. Rh2 Be7 ({Don't play} 32... Rxe4 33. Rxh4 Qxd3 34. cxd3 $15) 33. Re1 (33. Qxd4 $17 {was worth a try.} exd4 34. Nd2) 33... Bf5 $19 34. Qxd4 exd4 35. Nd2 Bf6 36. Nc4 Be5 $2 (36... d3 $19 37. Nxd6 dxc2+ 38. Kc1 Bd3) 37. Kc1 $1 $11 Be4 $2 {[%mdl 8192]} (37... Re4 $11 38. Rxe4 Bxh2 39. Rxd4 g5) 38. Nxe5 $18 dxe5 {[%mdl 4096] Endgame KRR-KRB} 39. d6 Bc6 40. Rxe5 Rf6 41. Re7 Rxd6 42. Rhxh7 a4 43. Reg7+ Kf8 44. Ra7 {[%cal Rh7h8] White is clearly winning.} Kg8 45. Rhc7 {White wants to mate with Rc8+.} Be8 46. Rc8 {[%cal Rc8e8]} Kf8 47. Rxa4 Ke7 48. Rxb4 g5 49. Rcc4 {Precision: White = 58%, Black = 64%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.19"]
[Round "7"]
[White "Burke, John Michael"]
[Black "Li, Ruifeng"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2608"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,90,43,49,60,56,62,62,65,59,56,38,37,45,84,41,47,38,41,26,46,0,0,-1,-9,-10,-17,-33,0,-2,34,26,44,28,26,10,8,-39,41,42,54,50,66,53,45,44,114,104,225,195,236,225,291,177,256,75,78,94,74,0,0,-17,0,-132,-124,-155,-156,-293,-295,-414,-372,-563,-560,-1194,-1106,-29992,-29993,-29993,-29994,-29994,-29995]} 1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 g6 5. h3 Bg7 6. Bg5 {B00: Damenfianchetto, Nimzowitsch-Verteidigung} (6. Be3 O-O 7. Qd2 a6 8. Bd3 e5 9. d5 Ne7 10. g4 c6 11. dxc6 bxc6 12. O-O-O d5 13. Nxe5 Nxe4 14. Bxe4 Bxe5 15. Bg2 {0-1 (27) Movsesian,S (2647)-Carlsen,M (2837) Riadh 2017}) 6... h6 7. Be3 {LiveBook: 6 Partien} e6 8. Qd2 {Weiß steht etwas besser.} a6 9. Bd3 b6 10. O-O $146 ({Vorgänger:} 10. Rd1 Bb7 11. O-O Ne7 12. Rfe1 Qd7 13. Qe2 {½-½ (57) Blomqvist,E (2541)-Hillarp Persson,T (2513) Sweden 2017}) 10... Bb7 11. a3 Ne7 12. Rfe1 g5 13. e5 Nd7 {[%cal Rd6e5]} 14. exd6 cxd6 15. Ne4 Qc7 16. Qc3 Bc6 17. Rad1 O-O 18. Ng3 Qb7 19. Be2 Nf6 20. Qd2 Ne4 21. Nxe4 Bxe4 22. h4 $1 f6 23. c4 Nf5 24. hxg5 hxg5 (24... Nxe3 $6 25. Qxe3 fxg5 26. Nd2 $16 (26. Bd3 Bxf3 27. gxf3 Rae8 $14)) (24... fxg5 $15 25. d5 Nxe3 26. Qxe3 exd5) 25. d5 $14 e5 26. b4 Rad8 27. Bd3 Bxd3 28. Qxd3 Ne7 (28... Nxe3 $14 29. Qxe3 (29. Rxe3 g4 $11) 29... b5) 29. c5 $16 g4 (29... bxc5 $16 30. bxc5 Qb5) 30. Nh4 $18 f5 31. Bg5 ({Und nicht} 31. cxb6 f4 $11) 31... e4 32. Qg3 Bf6 (32... bxc5 $142 33. bxc5 Bf6) 33. cxd6 $2 (33. c6 $18 {ist der präzise Gewinnweg.} Qa7 34. Qf4) 33... Bxg5 $16 34. dxe7 Bxe7 35. Nxf5 (35. d6 $16 Bxh4 36. Qxh4) 35... Rxf5 $11 36. Rxe4 Rdxd5 37. Rde1 (37. Qxg4+ $11 Kh8 38. Rxd5 Rxd5 39. g3) 37... Rg5 $17 38. Qh4 {[#]} (38. Rxe7 $2 Qxe7 $1 {[%mdl 512]} 39. Rxe7 Rd1+ 40. Kh2 Rh5+ 41. Qh4 Rxh4+ $19) 38... g3 $1 39. f4 (39. Rxe7 $2 Qxe7 $1 {[%mdl 512]} 40. Rf1 Qe2 $19) (39. fxg3 $17 Bf8 40. Re8) (39. fxg3 Bf8) 39... Rg7 $19 40. Qh6 ({Aber nicht} 40. Rxe7 $2 {[#]} Qxe7 $1 {[%mdl 512]} 41. Qxg3 Rxg3 $19) (40. Qh3 {war die einzige Chance.} Qd7 41. Qxd7 Rxd7 42. Kf1) 40... Bf8 41. Re8 (41. Re5 {ist wohl besser.} Rd2 42. Qe6+ Qf7 43. Qxb6) 41... Qd7 {( -> ...Dxe8!)} 42. Ra8 {[#]} Qe7 $1 {[%cal Re7e1][%mdl 512]} 43. Rf1 (43. Rxe7 Rd1+) 43... Qe3+ {Schwarz setzt Matt.} 44. Kh1 Qe2 {[%cal Re2f1]} 45. Kg1 Rd1 {Precision: Weiß = 44%, Schwarz = 60%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.19"]
[Round "7"]
[White "Liang, Awonder"]
[Black "Bian, Alex"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2569"]
[BlackElo "2291"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,31,21,37,14,38,45,41,29,66,0,0,0,0,0,0,0,14,19,16,39,65,60,238,157,111,110,146,72,109,114,231,187,222,222,231,231,215,216,229,222,210,209,510,506]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c3 Qb6 (5... e5 6. e4 Nge7 7. d3 O-O 8. a3 a5 9. a4 d5 10. exd5 Nxd5 11. Na3 h6 12. Nc4 Re8 13. Re1 Qc7 14. Qb3 Be6 15. Bd2 Rad8 16. Rad1 {½-½ (62) Shankland,S (2662)-Salem,A (2638) Sitges 2017}) 6. e4 {A04: Holländisches System ohne Übergang in andere Systeme} d6 7. Re1 e5 $146 ({Vorgänger:} 7... Bg4 8. d3 Nf6 9. h3 Bxf3 10. Bxf3 O-O 11. Na3 Rac8 12. Nc4 Qa6 13. Bg5 {0-1 (37) Brzovski,T-Ilic,L (2296) Struga 2009}) 8. Na3 {Weiß steht etwas besser.} Nge7 9. d4 exd4 10. cxd4 (10. Nc4 $14 Qc7 11. Bf4) 10... Nxd4 $11 11. Nxd4 Bxd4 12. Nc4 Qa6 13. Bf1 Be6 14. Be3 Bxc4 15. Bxd4 O-O 16. Bf6 Bxf1 $2 (16... Rae8 $14) 17. Qd2 {Weiss droht Dh6 und Matt.} ({Minderwertig wäre} 17. Rxf1 Rae8 $11) ({Schwächer ist} 17. Bxe7 Rfe8 $11) 17... d5 18. Bxe7 Rfe8 19. Bxc5 ({Schlechter ist} 19. Rxf1 Rxe7 20. Qxd5 Qe2 $11) (19. exd5 $142 Qd3 20. Qxd3 Bxd3 21. Bxc5) 19... Bd3 20. exd5 {[%cal Be4d5,Bd5d6][%mdl 32] Droht stark d6.} Qc4 (20... Be4 $16) 21. d6 Bf5 22. Bd4 $1 Qd5 {[#]} 23. Qf4 $1 Re4 24. Rxe4 $40 {[%mdl 128] Weiss greift entschieden an.} Qxe4 25. Qxe4 Bxe4 26. Bf6 Bc6 $2 {[#]} (26... Bf5 27. Re1 Bd7) 27. Rc1 $1 {Precision: Weiß = 82%, Schwarz = 30%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.19"]
[Round "7"]
[White "Patel, Advait"]
[Black "Tang, Andrew"]
[Result "1/2-1/2"]
[ECO "C79"]
[WhiteElo "2461"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,124,36,34,22,24,37,34,28,33,34,27,30,96,89,85,29,26,20,47,41,107,93,128,128,128,128,128,139,163,155,132,135,113,111,158,145,156,155,143,156,144,143,154,162,177,179,191,180,202,196,256,194,257,162,175,164,230,237,302,295,408,393,412,404,398,386,364,358,433,441,406,442,436,441,423,419,402,383,622,626,1081,43,50,50,50,0,0,0,0,0,0,0,0,0,0,-3,0,-3,-3,-3,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Re1 Bd7 7. c3 g6 8. d4 b5 9. Bc2 Bg7 10. Nbd2 O-O 11. h3 {C79: Ruy Lopez: Steinitz-type lines with 3...a6 4 Ba4 Nf6 5 0-0 d6} Re8 12. Nf1 Na5 {LiveBook: 3 Games} 13. b3 {[%cal Bb2b3,Bb3b4][%mdl 32] White is slightly better.} c5 14. d5 Nh5 {[#]} 15. Ng3 $146 ({Predecessor:} 15. Bg5 Qc7 16. Ng3 Nf4 17. Qd2 c4 {½-½ (59) Giri,A (2773)-Carlsen,M (2876) Stavanger 2015}) 15... Nxg3 16. fxg3 c4 17. Be3 Qc7 (17... Nb7 $11) 18. b4 $16 Nb7 19. Nh2 (19. a4 $16) 19... a5 $11 20. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Ra6 21. Ng4 Bxg4 (21... axb4 $14 22. axb4 Bxg4 23. Qxg4 Rea8 24. Rxa6 Rxa6) 22. Qxg4 $16 Rea8 {[#]} 23. a4 $1 {[%cal Ra4b5]} axb4 24. cxb4 bxa4 25. Ra3 h5 26. Qe2 {[%mdl 1024] White has strong compensation.} Kh7 27. Rea1 Bh6 {[#]} 28. Bf2 $1 (28. Rxa4 $6 Rxa4 29. Rxa4 Rxa4 $11) (28. Bxa4 $6 Bxe3+ 29. Qxe3 Qb6 $11) 28... Rb8 29. Rc3 (29. Rxa4 $6 Rxa4 30. Rxa4 Nd8 $16) 29... Nd8 30. Rxc4 Qd7 31. Bd3 Raa8 32. Ra3 Rb7 33. Qc2 Kg7 34. Kh2 Bg5 35. Qc3 Qe7 36. h4 Bh6 (36... Bf6 {might work better.} 37. Qb2 Rc7) 37. Kg1 Qe8 (37... Qd7 $142 38. Rc6 Rbb8) 38. Ra2 Rab8 39. Qa3 Ra8 (39... Qd7 $142 40. Kh2 (40. Qxa4 Qxa4 41. Rxa4 Bd2 $16) 40... Kg8) 40. Rcc2 $18 Kg8 41. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Bf8 42. Qb4 Rbb8 43. b6 Nb7 44. Bb5 Qd8 45. Bc6 ({Weaker is} 45. Rxa4 Rxa4 46. Bxa4 (46. Qxa4 Nc5 $11) 46... Nc5 $18) (45. Bxa4 Nc5 $11) 45... Nc5 46. Bxa8 ({Not} 46. Bxc5 dxc5 47. Qc4 Rxb6 $18) 46... Rxb6 47. Qc4 Qxa8 48. Bxc5 dxc5 49. Rxa4 Qd8 50. Rf2 Rb1+ $2 (50... Rb7 51. Kh2 Kg7) 51. Kh2 Bh6 52. Qxc5 $2 (52. Qa2 $18) 52... Bf4 $1 $14 53. Rxf4 exf4 {[%mdl 4096] Endgame KQR-KQR} 54. Qf2 (54. e5 $5 {[%cal Ra4f4]} g5 55. gxf4 $16) 54... fxg3+ {The position is equal.} 55. Qxg3 Qf6 56. Ra8+ Kh7 57. Ra2 {Black must now prevent Rf2.} Rf1 $1 58. e5 Qb6 59. Re2 Qg1+ 60. Kh3 {White wants to play Qe3.} Qd4 {( -> ...Rh1+)} 61. Kh2 Rf4 62. Kh3 Rf1 {Precision: White = 76%, Black = 50%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.19"]
[Round "7"]
[White "Brattain, Mika"]
[Black "Balakrishnan, Praveen"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2399"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "186"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,186,31,36,16,37,31,31,33,37,36,53,24,108,66,66,63,73,83,70,80,79,64,72,62,90,81,81,82,73,64,71,55,122,119,186,132,144,116,140,68,68,68,54,43,62,68,76,62,77,0,71,0,98,0,12,0,0,0,8,17,14,8,8,8,8,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-7,0,0,0,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-46,-46,-54,-54,-79,-87,-87,-71,-71,-71,-71,-75,-75,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Nbd2 O-O 6. Bg2 b6 7. O-O Bb7 8. Ne5 Nbd7 9. Qa4 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Bd6 10. Nxd7 Qxd7 11. Qxd7 Nxd7 12. cxd5 Bxd5 13. e4 Bb7 {[#] LiveBook: 4 Games} 14. Nc4 $146 ({Predecessor:} 14. Rd1 Be7 15. Nc4 Nf6 16. f3 c5 {½-½ (46) Lenderman,A (2565)-Anand,V (2794) Douglas 2017}) 14... Be7 15. Be3 Nf6 16. f3 Rfd8 17. Rac1 Ba6 18. Rf2 Rac8 (18... Nd7 $11) 19. Ne5 c5 20. dxc5 Bxc5 21. Bxc5 Rxc5 22. Rxc5 bxc5 23. Bf1 Rd1 24. Kg2 Bb7 25. Bd3 g5 26. g4 h5 27. h3 $1 h4 28. Rc2 Ne8 (28... c4 $1 $14 29. Rxc4 Rd2+ 30. Kf1 Ba6) 29. Be2 $16 ({Don't play} 29. Rxc5 $6 f6 $11) 29... Ra1 (29... Rd8 $16 30. Kf2 Nd6) 30. a3 ({Don't take} 30. Rxc5 $6 Rxa2 31. Nd3 Kf8 $14) (30. Rd2 $18) 30... Rb1 31. Nd7 c4 32. Nc5 (32. Bxc4 $16 Bc6 33. Nc5) 32... c3 $1 $14 {[%cal Rc3b2]} 33. bxc3 Bc6 34. a4 a5 35. Kf2 Kf8 36. e5 Nc7 37. Bd3 (37. c4 $1 $16) 37... Ke7 (37... Rh1 $11) 38. Be4 ({White should play} 38. Rd2 $16 Rb6 39. c4) 38... Be8 {[#]} (38... Nd5 $11 {remains equal.}) 39. Ra2 (39. c4 $1 $16) 39... Rc1 40. Nb3 Rxc3 41. Nxa5 Rc5 42. Nb3 Rxe5 43. a5 {Hoping for a6.} f5 44. Bd3 {next a6 is good for White.} Bb5 45. Re2 Rd5 46. Bxb5 Rxb5 $11 {[%mdl 4096] Endgame KRN-KRN} 47. Nd4 Rd5 48. Nxf5+ Kf6 49. Rc2 Na6 50. Ne3 Rxa5 51. Nc4 Rc5 {...Nb4 is the strong threat.} 52. Ne3 Rxc2+ 53. Nxc2 {KN-KN} Ke5 54. Na3 Nb4 55. Nc4+ Kd4 56. Nd6 Nd3+ 57. Kf1 Ke3 58. Nf7 Kf4 {White must now prevent ...Ne5.} 59. Ke2 Nc5 60. Kf2 Nb7 61. Ke2 Nc5 62. Kf2 Nd3+ 63. Ke2 Nc1+ 64. Kf2 Nd3+ 65. Ke2 Nb4 66. Kf2 Nc6 67. Nd6 Ne5 68. Ne4 Nxf3 69. Nc5 Nd4 {Strongly threatening ...e5.} 70. Nd3+ Ke4 71. Nc5+ Kd5 72. Nd7 {[#]} Kd6 (72... Nb3 $1 $17 {[%cal Rb3c5] And now ...Nc5 would win.} 73. Ke3 Nc5 74. Nb6+ Ke5) 73. Nf8 {The position is equal.} Ke5 {aiming for ...Kf4.} 74. Ke3 Nc2+ 75. Ke2 Nd4+ 76. Ke3 Nc2+ 77. Ke2 $1 Nb4 {Threatens to win with ...Nd5.} 78. Kf3 Nc6 79. Nh7 $1 Nd4+ 80. Ke3 Nc2+ 81. Kf3 Ne1+ 82. Ke2 Ng2 83. Nxg5 Nf4+ 84. Ke3 Nd5+ 85. Kf3 Kf6 86. Ne4+ Ke5 87. Nc5 Ne7 88. Nd3+ Kd4 89. Nf4 e5 90. Ne6+ Kd3 91. Nc5+ Kd4 92. Ne6+ Kd3 93. Nc5+ Kd4 {Precision: White = 66%, Black = 63%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.19"]
[Round "7"]
[White "Wang, Annie"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2299"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,127,8,0,17,-2,12,0,31,31,29,22,14,-45,-8,-6,-18,-17,0,0,0,0,0,0,0,-41,-45,-66,-64,-66,-46,-60,-12,-6,10,-93,-91,-146,-154,-183,16,7,7,7,21,7,86,80,252,239,220,237,339,346,334,350,317,329,324,318,368,370,458,248,247,251,251,249,250,224,497,195,198,190,206,200,202,179,158,177,172,140,142,74,152,151,231,152,234,231,215,8,11,4,4,4,4,0,0,0,5,0,0,0,7,0,0,0,8,0]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. Nge2 O-O 6. a3 Be7 7. cxd5 exd5 8. Ng3 b6 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} 9. Bd3 Re8 10. O-O Bb7 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] LiveBook: 3 Games} Nbd7 12. Bb2 c6 13. Rc1 a5 $146 ({Predecessor:} 13... Bf8 14. Re1 g6 15. Rc2 Bg7 16. Rce2 Nf8 {1-0 (47) Cruz,C (2553)-Tin,J (2251) Tromsoe 2014}) 14. b5 c5 15. dxc5 bxc5 16. Nce2 (16. Na4 $11) 16... Bf8 17. Nf4 g6 18. a4 Bh6 19. Nge2 Qb6 20. Bb1 Qd6 21. Qb3 Ne4 22. Rcd1 {[%cal Rf4d5]} Nb6 23. Qc2 Rac8 24. Ba2 d4 25. Bc1 {[%cal Re3d4]} ({Don't go for} 25. Qb3 $2 c4 $19) 25... Qf8 26. f3 Nd6 27. exd4 (27. e4 $11) 27... cxd4 $17 28. Qb3 (28. Qd3 $142) 28... Nf5 29. Rd3 ({But not} 29. Ba3 Qg7 $15) 29... g5 $2 (29... Rc4 $19 {White must now prevent ...Rb4.} 30. Ba3 Qg7) 30. Ba3 $11 Qg7 31. Nh5 Qg6 32. Nxd4 Nxd4 (32... Bd5 $11 33. Qb2 Nxa4) 33. Rxd4 $16 Qxh5 $2 (33... Bd5 $16 {was necessary.} 34. Rxd5 Nxd5) 34. g4 $18 Qg6 35. Rd6 Re6 (35... Bd5 {might work better.} 36. Rxg6+ hxg6) 36. Rxe6 fxe6 37. Qxe6+ Kh8 38. Bb2+ Bg7 39. Bxg7+ Kxg7 40. Qe7+ Kh6 41. Bb1 ({Don't play} 41. Qxb7 Qd6 $18) (41. h4 $142 Nd5 42. Bxd5 Bxd5 43. hxg5+ Qxg5 44. Qd6+ Qg6 45. Qxd5 Qb6+ 46. Kh1) 41... Nd5 42. Qxb7 Qb6+ 43. Qxb6+ Nxb6 {[%mdl 4096] Endgame KRB-KRN} 44. Rd1 Nxa4 $2 (44... Kg7 45. Bf5 Rc4) 45. Rd6+ $2 (45. Bf5 Rc7 46. Rd4 Rc1+ 47. Kf2) 45... Kg7 46. Rd7+ Kf6 47. Bxh7 Rb8 48. Bc2 Nc3 49. Bd3 $1 a4 50. Ra7 Ke5 {[#]} 51. Kf2 (51. Bf1 $142 $1) 51... Rd8 (51... Kd4 $142) 52. Bc4 $16 Rd4 (52... Rc8 $16 {keeps fighting.}) 53. Rc7 $18 a3 {[#]} (53... Rd6 $16 {was called for.} 54. Bf7 Nxb5 55. Rc5+ Kf6) 54. b6 $1 {[%cal Rb6b7] Strongly threatening b7.} Rd2+ 55. Kg3 $2 (55. Ke3 $18 Rb2 56. Rc5+ Kf6 57. Rf5+ Kg6 58. Ra5) 55... Rb2 $11 {The position is equal.} 56. b7 {Threatens to win with Bb5!} Kd6 57. Rg7 Kc5 $1 {[%cal Rc5c4]} 58. Rc7+ Kd6 59. Rg7 Kc5 $1 $132 {[%cal Rc5c4][%mdl 2048] Black has counterplay} 60. Rc7+ Kd6 61. Rg7 Kc5 $1 {[%cal Rc5c4]} 62. Rc7+ Kd6 63. Rg7 Kc5 $1 {[%cal Rc5c4]} 64. Rc7+ {Precision: White = 47%, Black = 49%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.20"]
[Round "8"]
[White "Burke, John Michael"]
[Black "Patel, Advait"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2608"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 41,114,26,26,23,23,4,17,15,18,0,0,0,0,0,25,0,-16,-8,0,-24,-12,-27,-24,-30,-23,-43,-30,-48,0,-35,-40,-32,-20,-36,18,15,33,31,344,312,324,279,300,8,9,18,16,30,35,-32,-32,-32,-32,-32,-32,-32,-32,-32,0,-58,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 c5 16. d5 c4 17. Bg5 Nc5 {C95: Spanische Partie (Breyer-Variante)} 18. Qd2 Be7 19. Bh6 (19. Ra3 Nfd7 20. Rea1 Bxg5 21. Nxg5 Nxa4 22. Bxa4 bxa4 23. f4 exf4 24. Qxf4 Qf6 25. Qh4 {1-0 (57) Robson,R (2649)-Dragun,K (2597) New York 2018}) 19... Nfd7 20. Nh2 Nxa4 21. Bxa4 bxa4 {LiveBook: 13 Partien} 22. Rxa4 a5 23. Ng4 Ba6 24. Be3 Bf8 25. Ra2 $146 ({Vorgänger:} 25. Nh6+ Bxh6 26. Bxh6 {½-½ (41) Gronkowski,D (2378)-Kozlowski,W (2436) ICCF email 2016}) 25... Bb5 26. Nh6+ (26. Bh6 {looks sharper.} Kh8 27. Rf1 a4 28. Qe3 f6 29. f4) 26... Bxh6 $1 27. Bxh6 Nc5 28. Be3 Nd3 29. Rf1 a4 30. f4 f6 31. f5 Bd7 32. h4 Kh8 33. Qe2 Qe7 34. fxg6 Rg8 35. h5 hxg6 36. Qf3 $1 {[%cal Rf3f6]} Raf8 37. Bh6 $1 {[%cal Rh6f8]} Rb8 (37... Rf7 $15 38. Bg5 Qe8) 38. Qxf6+ $11 Qxf6 39. Rxf6 Rxb2 $2 {[%mdl 8192]} ({Besser ist} 39... gxh5 $14 40. Nxh5 (40. Rxd6 $2 Rxg3 41. Rxd7 Rbg8 $19) 40... Bg4) 40. Rxb2 $18 Nxb2 41. hxg6 (41. Rxd6 $6 Be8 $18) 41... a3 {[#] Weiss muss nun ...a2 beachten.} 42. g7+ $2 ({Schlechter ist} 42. Rxd6 a2 $11) (42. Rf8 $1 $18 {[%cal Rf8g8]} Be8 43. g7+ Kh7 44. Nf5 Rxg7 45. Nxg7 (45. Bxg7 a2 $18)) 42... Kh7 $132 {[%mdl 2048] Schwarz puts up resistance} 43. Bc1 Bg4 $1 44. Rxd6 {Und weiter mit Lxb2 wäre nett.} Ra8 45. Nf5 (45. Kh2 $14) 45... Bxf5 $1 $15 46. exf5 Kxg7 {[%mdl 4096] Endspiel ...Sd1 ist eine echte Drohung. KTL-KTS} 47. g4 Nd1 48. Bxa3 Rxa3 {KTS-KT} 49. g5 Ra7 50. Rh6 (50. Rg6+ $11 Kf8 51. Rf6+ Kg7 52. Rg6+ Kf7 53. Rf6+ Ke8 54. Re6+ Kf8 55. d6) 50... Nxc3 ({Lieber} 50... Ne3 $1 $15 51. Rg6+ Kf8) 51. f6+ $1 $11 {Die Stellung ist ausgeglichen.} Kg8 52. g6 $1 {Droht d6 und aus.} Nxd5 53. f7+ {[#]} Rxf7 $1 54. gxf7+ Kxf7 55. Rc6 c3 56. Kf2 Ke7 57. Kf3 Kd7 {Precision: Weiß = 56%, Schwarz = 58%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.20"]
[Round "8"]
[White "Li, Ruifeng"]
[Black "Bian, Alex"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2583"]
[BlackElo "2291"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,149,-9,0,-18,0,0,2,-22,-32,-121,-135,-133,-141,-133,-124,-105,-98,-112,-108,-100,-107,-97,-85,-152,-18,-121,-118,-210,-232,-402,0,0,-1,-8,0,0,0,0,0,0,10,10,14,0,32,24,38,20,164,164,164,164,197,197,403,396,403,403,403,403,403,396,403,403,403,403,403,403,396,396,396,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,389,388,388,381,381,374,374,366,366,359,348,0,374,366,366,366,366,366,239,239,1064,1030,979,929,861,800,778,740,726,0,687,633,557,419,29986,29987]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. f4 Nge7 8. Nh3 Nd4 9. O-O O-O {LiveBook: 22 Games} 10. g4 {B25: Closed Sicilian: 3 g3, lines without early Be3} (10. Qd2 Bd7 11. Nd1 Qc8 12. Ndf2 Ndc6 13. c3 b5 14. fxe5 Nxe5 15. Bh6 N7c6 16. Bxg7 Kxg7 17. Nf4 Qd8 18. Rad1 {1-0 (33) Carlsen,M (2877)-Wojtaszek,R (2735) Tromsoe 2014 CBM 162 [Marin,M]}) 10... exf4 11. Nxf4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. e5 $146 {The position is equal.} ({Predecessor:} 12. Rb1 b4 13. Ncd5 Nxd5 14. Nxd5 Ne6 15. Nf4 a5 {½-½ (15) Bagirov,V (2530)-Pribyl,J (2405) Berlin 1995}) 12... dxe5 13. Bxa8 (13. Nxg6 $1 $15 hxg6 14. Bxa8) 13... exf4 $17 14. Bxf4 b4 $1 {[%cal Rb4c3]} 15. Ne4 Be6 16. Bg5 Qc7 17. c3 ({But not} 17. Bf4 $2 Qc8 $17) 17... bxc3 18. bxc3 Rxa8 19. cxd4 Bxd4+ 20. Kg2 ({Better is} 20. Kh1) 20... Nc6 ({Black should play} 20... f5 $17 21. gxf5 Nxf5) 21. Bf6 (21. Qf3 $11) 21... Ne5 $1 {[%cal Re5g4]} 22. h3 (22. Bxe5 $17 {keeps fighting.} Qxe5 23. Qf3) 22... Bd5 $1 $19 (22... Bxa1 23. Qd2 $15) 23. Qd2 $2 {[#]} (23. Rb1 {was the only defense.}) 23... Nxd3 $2 ({Not} 23... Nc4 24. Qf4 $17) (23... Rb8 $1 $19 {[%cal Rb8b2]} 24. Qf4 Rb2+ 25. Kg3 g5 26. Bxg5 Bxe4 27. Qxe4 Ng6+ 28. Bf4 Nxf4 29. Rxf4 Rf2) 24. Qxd3 $11 {Black must now prevent Rae1.} Re8 (24... Qc6 $5 25. Rae1 $8 Re8 26. Bxd4 Rxe4 $11) 25. Rae1 Qc6 26. Bxd4 Rxe4 27. Kg1 Rxd4 28. Qg3 Rd2 {Threatens to win with ...Rg2+.} 29. Rf2 Rxf2 30. Qxf2 {[%mdl 4096] Endgame KQR-KQB} Qa4 31. g5 Be6 $1 32. Rb1 {Threatening mate with Rb8+.} Qd4 (32... Qe8 $11) 33. Qxd4 $18 cxd4 {[#] KR-KB} 34. a4 $1 d3 ({Much weaker is} 34... Bxh3 35. Rb8+ Kg7 36. Ra8 $16) 35. Kf2 Bxh3 $2 (35... h6) 36. Rb7 a6 37. Ke3 d2 38. Kxd2 Kg7 39. Ra7 Bf1 40. Ke3 Bc4 41. Kd4 Be2 42. Ke5 Bc4 43. a5 Bf1 44. Kd6 Bc4 45. Rc7 Bf1 46. Rc1 Be2 47. Rc2 Bd3 48. Rc3 Be2 49. Ke7 Bb5 50. Rb3 {Rxb5! would kill now.} Bc4 51. Rb4 Be6 52. Rb6 Bc4 53. Rd6 Bf1 54. Rd4 {Rf4 is the strong threat.} Bh3 55. Rc4 Bf5 56. Rc6 Bd3 57. Rc7 Bf1 58. Kd6 Be2 59. Kc5 Bf1 60. Ra7 Be2 61. Re7 Bf1 62. Rb7 Bd3 63. Ra7 Be2 $1 64. Kb6 h5 65. gxh6+ $1 Kh7 66. Rxf7+ Kxh6 67. Kc5 Kg5 $2 (67... g5 68. Rf2 Bb5 69. Rh2+ Kg6) 68. Kd4 Bb5 69. Ke5 Kg4 70. Rg7 Kg5 71. Rc7 Kg4 72. Rg7 Kg5 73. Rb7 {Intending Rxb5 and mate.} Bc4 74. Rb1 Kg4 (74... Bd3 $18 75. Rg1+ Kh6) 75. Rb4 {Precision: White = 70%, Black = 52%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.20"]
[Round "8"]
[White "Tang, Andrew"]
[Black "Wang, Annie"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2507"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,81,22,10,3,27,28,25,0,20,13,15,17,11,0,8,5,11,0,61,72,75,60,115,118,97,102,90,79,82,21,133,74,147,145,165,166,153,154,147,204,997,1000,964,995,988,993,976,991,976,962,927,922,733,987,964,968,952,939,1028,1019,964,947]} 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 d5 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 Nd7 9. a3 Bxc3+ 10. Qxc3 dxc4 11. Bxc4 c5 {LiveBook: 11 Games} 12. Rc1 {D43: Semi-Slav: 5 Bg5 h6} (12. Rd1 b6 13. Bb5 a6 14. Bxd7 Bxd7 15. dxc5 Qxc3+ 16. bxc3 Ba4 17. Rd4 b5 18. Ne5 Rfc8 19. Nd7 Ra7 {1-0 (38) Mamedyarov,S (2757)-Aronian,L (2803) Beijing 2013}) 12... cxd4 13. Qxd4 {[#]} Nb6 $146 ({Predecessor:} 13... Qxd4 14. Nxd4 Nb6 15. Be2 Bd7 16. f4 Rfc8 17. Kd2 Kf8 18. Rxc8+ Rxc8 19. Rc1 Rxc1 20. Kxc1 {½-½ (30) Tunik,G (2437)-Iljushin,A (2521) Togliatti 2014}) 14. Bb5 {White has an edge.} Qe7 15. O-O Rd8 16. Qe4 Rd5 17. Nd4 $36 {[%mdl 2048] White is pushing.} Bd7 18. Bd3 {[%cal Bb5d3,Bd3b1,Bb1a2,Ba2b3][%mdl 32] Qh7+ would kill now.} g6 19. Bb1 Qd6 (19... Bb5 $11) 20. Ba2 $14 Rh5 {[%csl Gh5][%cal Rd6h2]} 21. h3 (21. g3 {is more complex.} Nd5 22. Qf3 Qb6 23. g4 Re5 24. Qg3) 21... Nd5 ({Black should play} 21... e5 $14) 22. Rfd1 $16 Rd8 23. Qf3 {Black must now prevent e4.} Qb8 24. Bb3 Kg7 {[#]} 25. Rd2 (25. g4 $1 $16 {[%cal Rg4h5]} Re5 26. Qg3) 25... Rc8 (25... Nf6 $11) 26. Rcd1 (26. Rxc8 $142 Qxc8 27. g4) 26... Be8 (26... b6 $142) 27. e4 Nf4 {[#]} 28. Bxe6 $1 Nxe6 29. Nxe6+ fxe6 30. g4 {Threatening mate with Rd7+!} Rg5 $2 {[#]} (30... Rxh3 31. Qxh3 Qf4) 31. Rd7+ $1 $18 {[%mdl 512] White is clearly winning.} Kg8 {[#]} (31... Bxd7 32. Rxd7+) 32. Qf6 $1 {[%csl Gd7][%cal Rf6g7][%mdl 512]} Bxd7 33. Rxd7 {[%csl Gd7][%cal Rf6g7]} Rc1+ 34. Kg2 {[%csl Gd7][%cal Rf6g7]} Qf8 35. Rd8 Qxd8 36. Qxd8+ {KQ-KRR} Kf7 37. Qd7+ Kf8 38. b4 Rc2 39. Kg3 a6 40. h4 Rb5 41. a4 {Precision: White = 68%, Black = 41%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.20"]
[Round "8"]
[White "Chandra, Akshat"]
[Black "Brattain, Mika"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2486"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,64,74,76,70,75,83,71,83,82,97,94,104,89,91,89,114,110,119,97,146,147,139,148,183,182,185,178,192,186,172,137,132,126,337,347,472,0,0,-135,-142,-142,-139,-243,-243,-1397,-1397,-1133,-743]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e5 7. Nde2 {[%cal Bd4e2,Be2g3,Bg3h5][%mdl 32]} b5 8. Ng3 {B90: Sizilianisch (Najdorf-Variante, Abweichungen)} Be6 (8... Qc7 9. Bd3 g6 10. O-O Bg7 11. Bd2 O-O 12. a4 b4 13. Na2 a5 14. c3 bxc3 15. Nxc3 Be6 {½-½ (40) Svidler,P (2760)-Khismatullin,D (2632) Sochi 2018}) 9. Bg5 Nbd7 10. Nh5 $1 {LiveBook: 3 Partien. Weiß steht besser.} Qa5 {Weiss muss nun ...Sxe4 beachten.} 11. Bxf6 Nxf6 12. Nxf6+ gxf6 13. Qf3 $146 ({Vorgänger:} 13. Bd3 b4 14. Nd5 Bxd5 15. exd5 Qxd5 {1-0 (34) Sadzikowski,D (2563)-Das,S (2399) Warsaw 2017}) 13... Bg7 14. Bd3 {[%cal Bf1d3,Bd3c2,Bc2a4,Ba4b3,Bb3d5][%mdl 32]} b4 15. Nd1 b3+ 16. Nc3 bxc2 17. O-O Rb8 18. Bxc2 Rxb2 19. Ba4+ Ke7 {[#] Mit der Idee ...Tc8.} 20. Bb3 $1 {[%mdl 512]} Rc8 {[#]} (20... Bxb3 21. axb3) 21. Nd5+ $1 Bxd5 22. Bxd5 Kf8 23. Qh5 {[%csl Gd5][%cal Rh5f7][%mdl 1024] Weiss hat starke Kompensation.} Rc7 24. Rae1 ({Viel schwächer ist} 24. Qxh7 Qd2 $16) 24... Qd2 25. Re3 Rbc2 $2 {[#]} (25... Kg8 $16 {kämpft weiter.}) 26. Kh2 $1 $18 Rc1 27. Rb3 $2 ({Der einzige Zug:} 27. Rxc1 $18 Qxc1 28. h4 (28. Qxh7 Rc3 $18)) 27... Bh6 $1 $36 {[%cal Rh6f4][%mdl 2048] Weiss steht unter Druck.} 28. Rb8+ (28. Rxc1 $1 $11 Bf4+ 29. Rg3 Bxg3+ 30. fxg3 Qxc1 31. Qxh7) 28... Kg7 $17 29. Qg4+ Bg5 30. Rxc1 (30. Rb1 $17 Rxb1 31. Rxb1 Qxf2 32. Qg3) 30... Rxc1 $19 31. Rb7 $2 (31. Bxf7 f5 32. Rg8+ Kxf7 33. Qxg5 Qxg5 34. Rxg5 fxe4 35. Rf5+ Kg7 36. Rg5+ Kf6 37. Rg8) 31... Kh6 32. Qf3 Rc3 {Precision: Weiß = 75%, Schwarz = 65%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.20"]
[Round "8"]
[White "Balakrishnan, Praveen"]
[Black "Liang, Awonder"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2411"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,140,81,85,76,62,27,87,90,100,90,102,65,70,66,71,35,40,27,28,19,42,43,46,18,43,14,35,24,17,17,22,23,15,15,22,21,31,1,6,2,4,0,3,4,3,0,0,0,10,10,35,13,20,0,0,0,0,0,0,0,1,-8,-8,-8,-8,-8,-8,-9,-9,-9,0,-8,-6,-8,-6,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,0,-94,0,-638,-638,-638,-617,-29982,-29982,-29983,-29983]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 c6 9. h3 a5 10. Be3 exd4 11. Nxd4 Re8 12. Qc2 Nc5 13. Rad1 Nfd7 14. b3 Qb6 {LiveBook: 9 Partien. E69: Königsindisch (Hauptvariante des g3-Systems mit e2-e4 und h2-h3)} 15. Rb1 Qc7 16. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} Ne5 {[#]} (16... Nb6 $11 {hält das Gleichgewicht.}) 17. f4 $1 $16 {[%cal Rf4e5]} Ned7 18. Bf2 $146 ({Vorgänger:} 18. b4 axb4 19. axb4 Ne6 20. Nde2 Nb6 21. Qb3 Nf8 22. c5 dxc5 23. bxc5 {1-0 (40) Wassin,S (2303)-Moliboga,V (2284) Kiev 2003}) 18... h5 19. b4 axb4 20. axb4 Ne6 21. Rfd1 Bxd4 22. Bxd4 {und nun wäre Le3 stark für Weiss.} h4 23. Bf2 hxg3 24. Bxg3 Ng7 25. Qd2 Nb6 26. Bf1 ({Bitte nicht} 26. Qxd6 Qxd6 27. Rxd6 Ra3 $15) 26... Be6 27. f5 Bxc4 28. Bxd6 Qd8 29. fxg6 fxg6 30. Bg2 Bf7 31. Qh6 Nd7 $1 32. Rf1 Qb6+ 33. Rf2 {Droht stark b5.} Qd4 34. Qd2 Qxd2 35. Rxd2 Ne5 36. Bxe5 Rxe5 37. Rd7 b6 38. Rf1 Be8 39. Rb7 b5 40. Ne2 Rd8 41. Ra1 Nh5 42. Raa7 Rd2 43. Bf3 Nf6 44. Re7 Rxe7 45. Rxe7 {[#] Und e5 würde nun gewinnen.} Kf8 46. Rc7 $1 Nd7 {...Se5 ist eine echte Drohung.} 47. Rxc6 Ne5 48. Rc3 Bf7 49. Nf4 Bc4 50. Nd5 Kg7 51. Bg2 Kh6 52. Bf1 Rd1 (52... Rd4 {seems wilder.} 53. Bxc4 Nxc4 54. Kh2 Nd6 55. Rc5 Rxe4 56. Kh1 Rd4) 53. Ne3 Rb1 54. Kf2 {[%cal Rf1c4]} Bxf1 55. Nxf1 Rxb4 $11 {[%mdl 4096] Endspiel KTS-KTS} 56. Nd2 Ra4 57. Ke3 b4 58. Rc5 Nf7 59. Rb5 Ng5 60. h4 Ne6 61. h5 Ra3+ ({Natürlich nicht} 61... gxh5 $6 62. Rb6 $16) 62. Kf2 Rd3 63. Nf1 b3 {[%cal Bb4b3,Bb3b2][%mdl 32] Weiss sollte ...Sd4 verhindern.} 64. Rb6 Nc5 {Weiss muss nun ...Sa4 beachten.} 65. Ng3 Na4 66. Rxg6+ Kh7 {zielt auf ...b2 ab.} 67. Ne2 $2 {[%mdl 8192]} (67. e5 $11 Rd2+ 68. Ke3) 67... b2 $19 68. Rg1 Ra3 69. e5 {beabsichtigt e6.} Ra1 70. e6 Rxg1 {Precision: Weiß = 57%, Schwarz = 71%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.21"]
[Round "9"]
[White "Liang, Awonder"]
[Black "Chandra, Akshat"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2569"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,50,40,50,46,45,40,45,25,30,29,74,77,98,63,67,75,83,77,117,45,62,41,36,26,29,12,12,12,12,10,14,12,12,12,12,12,16,9,12,12,13,13,6,0,0]} 1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. c3 Nbd7 5. Nf3 Be7 6. O-O {B07: Pirc-Ufimzew-Verteidigung} c6 (6... O-O 7. Re1 Re8 8. Nbd2 Bf8 9. Nf1 b6 10. Ng3 Bb7 11. h3 g6 12. Bg5 h6 13. Bd2 Bg7 14. Qc2 Rc8 15. Rad1 exd4 16. cxd4 {0-1 (85) Alekseev,E (2616)-Khismatullin,D (2632) Riadh 2017}) 7. Re1 O-O 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Re8 9. Nf1 {LiveBook: 27 Partien} a6 10. a4 b6 11. Ng3 Bf8 12. Qb3 $146 ({Vorgänger:} 12. b3 Bb7 13. Bd2 Qc7 14. Qc2 Rad8 15. b4 Rc8 16. h3 {1-0 (93) Gongora Reyes,M (2426)-Bueno Abalo,M (2240) Pontevedra 2003}) 12... Bb7 13. Be3 exd4 14. cxd4 g6 15. h3 Bg7 16. Rad1 Nf8 17. e5 Nd5 {[%cal Rd6e5] [#]} 18. Bg5 (18. Ne4 $1 $16) 18... Qc7 $14 {[%cal Rd6e5]} 19. Ne4 dxe5 20. dxe5 ({Bitte nicht} 20. Nxe5 Ne6 $15) 20... Nd7 $1 21. Nd6 Re6 $1 {[%cal Rd7e5] Die Stellung ist ausgeglichen.} 22. Nxb7 Qxb7 23. Bc4 {[%cal Rd1d5] [#] Droht Txd5 und aus.} Nxe5 24. Nxe5 Rxe5 25. Rxe5 Bxe5 26. Rxd5 cxd5 27. Bxd5 Qa7 {Und weiter mit ...Tb8 wäre nett.} 28. Bxa8 Qxa8 29. Qxb6 Qe4 $1 {[%cal Re4e1]} 30. Qe3 Qxe3 {Precision: Weiß = 54%, Schwarz = 77%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.21"]
[Round "9"]
[White "Patel, Advait"]
[Black "Li, Ruifeng"]
[Result "1-0"]
[ECO "B75"]
[WhiteElo "2461"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,87,101,52,64,64,85,40,47,41,41,48,39,47,48,45,35,41,66,33,102,108,114,83,90,0,0,0,0,0,0,0,41,44,61,58,327,344,316,334,318,293,343,321,322,316,282,283,264,274,433,444,443,439,423,421,545,532,520,512,572,556,703,684,740,720,1044,1016,906,1400,1393,1382,1210,1187]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 Nbd7 9. Be2 {LiveBook: 13 Games. B75: Sicilian Dragon: Yugoslav Attack, Miscellaneous} (9. a4 Ne5 10. Be2 Bd7 11. a5 Rc8 12. g4 Nc4 13. Bxc4 Rxc4 14. g5 Nh5 15. Nd5 O-O 16. Nb6 Rc7 {0-1 (67) Bacrot,E (2725)-Adhiban,B (2655) Riadh 2017}) 9... Qc7 10. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} b5 11. g5 {White is better.} b4 12. Nd1 (12. gxf6 bxc3 13. Qxc3 Qxc3+ 14. bxc3 Bxf6 $15) 12... Nh5 13. Qxb4 $146 ({Predecessor:} 13. c3 a5 14. Rc1 Qb7 15. cxb4 axb4 16. Rc4 b3 {1-0 (49) O'Hare,C (2408)-Salati,P (2433) ICCF email 2009}) 13... Rb8 14. Qd2 Nc5 15. O-O O-O 16. Nb3 Bh3 17. Rf2 Be5 ({Black should try} 17... Na4 $14) 18. Nc3 $16 Rfc8 19. Nd5 Qd8 20. c3 (20. Rd1 $16 {Strongly threatening Nxc5.} e6 21. Nc3) 20... Rxb3 $1 $11 21. Bxc5 Rxb2 $1 22. Qxb2 Rxc5 23. f4 Nxf4 (23... Rxd5 $5 24. exd5 Nxf4 $14) 24. Rxf4 {[#] Hoping for Rf2.} Rxd5 $1 25. Rf3 $36 {[%mdl 2048] White is pushing.} Qc8 $2 {[%mdl 8192]} ({Better is} 25... Rc5 $1 $14 26. Rxh3 Qc8) 26. exd5 $18 Qg4+ 27. Rg3 Qh4 28. Kf2 ({Inferior is} 28. Bxa6 Bxg3 29. hxg3 Qxg3+ 30. Kh1 Qf3+ 31. Kh2 Qh5 $11) ({Weaker is} 28. Qb8+ Kg7 $16) 28... Bf5 29. Kg2 Bxg3 30. hxg3 Qh3+ 31. Kf2 Qh2+ 32. Kf3 h5 (32... Bh3 {might work better.} 33. Rd1 Qg2+ 34. Ke3 Qxg3+ 35. Kd2 Qxg5+ 36. Kc2 h5 37. Qb8+ (37. Bxa6 h4 $18) 37... Kg7) 33. gxh6 $1 {White is clearly winning.} Qh5+ 34. Ke3 Qxh6+ 35. Kd4 Qg7+ 36. Kc4 Qe5 37. Qd2 Be4 38. Rd1 e6 39. Kb4 Bxd5 40. Bxa6 Bf3 41. Qxd6 Qe4+ 42. Qd4 Qc2 43. Rd2 Qb1+ 44. Ka5 {Precision: White = 67%, Black = 36%.} 1-0

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.21"]
[Round "9"]
[White "Brattain, Mika"]
[Black "Tang, Andrew"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "2399"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,86,0,0,0,0,0,0,6,27,0,-7,-5,0,0,0,0,0,-28,-27,-182,-170,-168,-170,-160,-141,-222,-221,-220,-217,-214,-136,-136,-74,-76,-75,-161,-161,-166,-116,-107,-114,-150,-145,-222,-215,-237,-242,-239,-241,-643,-631,-741,-736,-706,-693,-1038,-1014,-1022,-994]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Be2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} c6 12. O-O Re8 13. Rc1 Qd6 14. Qb3 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32]} 15. Rfd1 {D58: Queen's Gambit Declined: Tartakower Defence} a5 {LiveBook: 5 Games} 16. b5 c5 17. dxc5 {The position is equal.} Nxc5 18. Qa3 Rad8 (18... Rac8 19. Nd4 Be5 20. g3 {0-1 (20) Vovk,Y (2592)-Fedorchuk,S (2669) Vandoeuvre 2014 EXT 2017 [RR]}) 19. Nd4 Be5 20. h3 $146 ({Predecessor:} 20. g3 Qf6 21. Bf1 Ne4 22. Rc2 Rc8 23. Nxe4 dxe4 {½-½ (53) Arakelian,E-Zarubin,P (2410) St Petersburg 1994}) 20... Qf6 $36 {[%mdl 2048] Black is more active.} 21. Bf3 Ne4 22. Qb3 g6 23. Na4 {Strongly threatening Nc6.} Ng5 24. Rd3 $2 (24. Qd3 $11 {and White is okay.}) 24... Bxd4 $19 25. Rxd4 Nxf3+ 26. gxf3 Qxf3 27. Rc7 {[#]} (27. Qd1 $17 Qxh3 28. Qg4 Qxg4+ 29. Rxg4) 27... Rc8 $1 {[%cal Rc8c7]} ({Don't do} 27... Qxh3 28. e4 $17) 28. Rxc8 Rxc8 29. Qd1 Qf6 30. Kg2 Re8 (30... h5 $142 31. h4 Qe6) 31. Qf3 $17 Qd6 32. Qf4 (32. Qg3 $17 Qd8 33. Nc3) 32... Qxf4 $19 33. exf4 {[%mdl 4096] Endgame KRB-KRN} Re6 34. Kg3 Kf8 35. Nc3 Ke7 36. Na4 (36. f5 $17 {was necessary.} gxf5 37. Nxd5+ Bxd5 38. Rxd5) 36... Kd6 37. Rd2 Re4 38. Nxb6 {[#]} Rb4 $1 39. a4 $2 (39. Rd1) 39... d4 {Black is clearly winning.} 40. Rc2 Rb3+ 41. Kh2 Rc3 42. Nc4+ Kc5 43. Ne3 Be4 {Precision: White = 53%, Black = 76%.} 0-1

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.21"]
[Round "9"]
[White "Wang, Annie"]
[Black "Burke, John Michael"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2299"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,98,18,15,43,-14,-14,-14,-6,-12,0,0,0,-17,-20,-8,-12,-10,22,-16,-2,-50,-39,-44,-41,-29,-21,-30,-53,-31,-49,-50,-54,-36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,-12,-12,-22,-6,-30,0,0,0,0,0,-6,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bb5+ {[%cal Bf1b5,Bb5a4,Ba4b3,Bb3c2,Bc2d3][%mdl 32]} c6 8. Ba4 O-O 9. Ne2 b5 10. Bb3 a5 {D85: Grünfeldindisch (Abtauschvariante, 7.Sf3 bzw nicht 7.Lc4)} 11. O-O (11. a4 b4 12. cxb4 axb4 13. Be3 c5 14. Rc1 cxd4 15. Nxd4 Bd7 16. O-O Qe8 17. Rc4 Bxa4 18. Rxb4 Bxb3 19. Qxb3 {½-½ (30) Svidler,P (2729)-Grischuk,A (2794) Sochi 2015}) 11... a4 12. Bc2 {LiveBook: 9 Partien} Nd7 13. Rb1 ({Günstiger ist} 13. e5 $14) 13... Nb6 $11 14. Bd3 Be6 15. Qc2 Bc4 16. Ba3 Re8 $146 ({Vorgänger:} 16... Bxd3 17. Qxd3 Nc4 18. Bc5 Qd7 19. f4 f5 20. Ng3 fxe4 21. Nxe4 Bh6 22. g3 Rf5 23. Rbe1 Re8 {½-½ (23) Posedaru,B (2337)-Stella,A (2477) Skopje 2013}) 17. f4 e6 18. Bc5 Bxd3 19. Qxd3 Nc4 20. Ng3 f5 21. Rfe1 Bh6 22. Ne2 fxe4 23. Qh3 $1 {[%cal Rh3h6]} Bg7 24. Ng3 e3 25. Nf1 Qd5 26. Ra1 Qf5 27. Qf3 $1 Qc2 28. Nxe3 Qxc3 29. Rac1 $36 {[%mdl 2048] Weiss hat gut koordiniertes Spiel.} Qd2 {[#] Droht ...Sxe3 und aus.} 30. Nxc4 bxc4 31. Qf2 $1 {[%cal Rf2d2]} c3 32. Rc2 Qd3 33. Re3 Qd1+ 34. Re1 Qd3 35. Re3 Qf5 36. Rexc3 Rab8 37. h3 Red8 38. Kh2 Rb1 39. Rc1 Rxc1 40. Rxc1 g5 41. g3 gxf4 42. gxf4 Kh8 43. Rg1 Qe4 {[%cal Rg7d4]} 44. Qh4 {Die Stellung ist ausgeglichen.} Rb8 {[#] ( -> ...Tb2+)} 45. Rg2 Qd5 46. Qf2 Rb7 47. Qg3 h6 48. Qg6 {zielt auf Lf8 ab.} Qf5 $1 49. Qxf5 exf5 {Precision: Weiß = 67%, Schwarz = 73%.} 1/2-1/2

[Event "USA-ch Juniors 2018"]
[Site "Saint Louis"]
[Date "2018.07.21"]
[Round "9"]
[White "Bian, Alex"]
[Black "Balakrishnan, Praveen"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2291"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.07.12"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,43,-36,-69,-20,-11,-30,-13,-9,-42,101,-70,35,43,232,232,265,265,302,302,275,227,275,216,29997,29998]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Be3 O-O {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} 9. Bxc6 (9. Nxc6 bxc6 10. Bxc5 Nxc5 11. Bxc6 Rb8 12. O-O Rxb2 13. Qxd5 Qxd5 14. Bxd5 Rxc2 15. Na3 Re2 16. Rac1 Nd3 17. Rxc7 Be6 18. Bb3 a5 19. Ra7 Bxb3 20. axb3 Rxe5 {1-0 (31) Nakamura,H (2798)-Onischuk,A (2665) Saint Louis 2015}) 9... bxc6 10. Nd2 Bxd4 11. Bxd4 {LiveBook: 3 Games} Qg5 {aiming for ...c5.} 12. Nxe4 dxe4 13. Qd2 $1 {[%cal Rd2g5]} Qxg2 14. O-O-O Be6 15. Bc5 $146 (15. Rhg1 $1 $16 {[%cal Rg1g2]} Qf3 16. Be3) ({Predecessor:} 15. Rhg1 Qh3 16. Rxg7+ Kh8 17. Qg5 {1-0 (17) Ossa,O-Henao,R (2395) Medellin 2001}) 15... e3 (15... Rfb8 $15) 16. Qxe3 $14 Rfd8 $2 {[#]} (16... Rfb8 $14) 17. Rdg1 $1 $18 {[%cal Rg1g2,Bd1g1,Bg1g7,Bg7g8][%mdl 32]} Qd5 {[#]} 18. Rxg7+ $1 {[%mdl 512]} Kh8 ({Stronger than} 18... Kxg7 19. Qg5+ Kh8 20. Qf6+ Kg8 21. Rg1+ Qg2 22. Rxg2+ Bg4 23. Rxg4#) 19. Rhg1 Bf5 {[#]} 20. Qh6 $1 {Threatening mate with Rxh7+!} Qxe5 21. Be7 {White wants to mate with Rxh7+!} ({Weaker is} 21. Rxf7 Rab8 $18) 21... Rd6 $2 {[#]} (21... Rd1+ $18 22. Kxd1 Bxc2+ 23. Kc1 Bg6 24. Rxh7+ Kg8 25. Rxg6+ fxg6 26. Qxg6+ Qg7 27. Qxg7#) 22. Rg8+ $1 {[%mdl 512] Precision: White = 64%, Black = 29%.} 1-0

