[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.16"]
[Round "1"]
[White "Hong, Andrew"]
[Black "Wang, Justin"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2368"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,88,34,39,36,48,47,49,79,-75,-38,-122,-99,-89,-17,-94,-72,-85,-86,-95,-53,-83,-57,-67,-68,-66,0,-162,-106,-151,-146,-148,-70,-68,-72,-73,-66,-45,-50,-68,-70,-111,-31,-19,-33,-19,-27,-74,0,-83,-77,-308,-302,-811,-801,-775,-739,-1118,-1110,-1104,-1104,-1025,-1007,-1171,-394,-6183,-5281,-29998,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} c5 9. Bd2 (9. c3 Nc6 10. Na3 a6 11. Nc2 h6 12. Ne3 Re8 13. h3 Bf8 14. Nd5 Rb8 15. Be3 Be6 {½-½ (43) Van Foreest,J (2629)-Harikrishna,P (2744) Riadh 2017}) 9... Nc6 10. Na3 Be6 11. Bxe6 fxe6 12. c3 {LiveBook: 5 Games} Nh5 13. b4 cxb4 14. cxb4 Nf4 {[#]} 15. Bc3 $146 (15. b5 $16 Nd4 16. Nxd4 exd4 17. Qb3) ({Predecessor:} 15. b5 Na5 {½-½ (38) Schroeder,J (2514)-Balint,V (2334) Douglas 2016}) 15... Qe8 16. Kh1 (16. g3 $15 Qg6 17. b5) 16... Qg6 $1 $17 {[%csl Gf4][%cal Rg6g2]} 17. Rg1 {[#]} Rac8 (17... d5 $1 $17 18. b5 dxe4 19. dxe4 Rad8) 18. Nc2 (18. Nc4 $11 {remains equal.}) 18... Qh5 19. Nce1 g5 $36 {[%mdl 2048] Keeping White busy.} 20. b5 Nb8 21. Bb2 g4 22. Nd2 $1 Bh4 23. Rf1 $1 Bg5 ({Black should try} 23... Nd7 $1 $15 24. g3 {[%mdl 64] Double Attack} Nh3) 24. d4 $2 (24. Nc4 $11 {and White stays safe.}) 24... Nd7 (24... Rf6 $19 25. Ra3 Rh6) 25. Ra3 {[#]} Rf6 $1 26. h3 gxh3 (26... Rg6 $17 {[%cal Rg4h3]} 27. dxe5 Nxe5) 27. g4 $15 Qg6 $1 {And now ...Rf7 would win.} 28. Nef3 Rff8 {Hoping for ...Be7.} 29. Nxg5 Qxg5 30. Nf3 Qg6 {...Nf6 is the strong threat.} (30... Qxg4 31. Rg1 $16) 31. dxe5 Nxe5 ({Not} 31... Qxg4 $2 32. Rg1 $18) (31... Qxe4 $17 {aiming for ...Ne2.} 32. Re1 Qb4) 32. Nxe5 dxe5 33. Re3 Rcd8 34. Qb3 Qg5 ({Don't blunder} 34... Qxg4 $2 35. Rg3 $18) (34... h5 $17 35. Rg1 h2 36. Kxh2 Kh7) 35. Qc3 (35. Bc1 $11) 35... Ng6 ({Avoid the trap} 35... Qxg4 $2 36. Rg3 $18) 36. Rxh3 $2 (36. Rg3 $17) 36... Qxg4 $19 37. Qe3 $2 (37. Qg3 Qxe4+ 38. Kg1) 37... Rd1 38. Rxd1 Qxd1+ {[%mdl 64] Double Attack} 39. Kg2 Nf4+ 40. Kh2 Nxh3 41. Qg3+ Kf7 {( -> ...Nf4)} 42. Qxh3 h5 $2 (42... Rg8 {[%csl Gg8][%cal Rd1g1]} 43. Qxh7+ Rg7 44. Qxg7+ Kxg7 45. Bxe5+ Kf7) 43. Qg3 $2 (43. Bxe5 Rg8 44. Bg3) 43... Rg8 44. Qf3+ Qxf3 {Accuracy: White = 31%, Black = 46%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.16"]
[Round "1"]
[White "Marek, Matyas"]
[Black "Yip, Carissa"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2361"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,59,15,26,31,39,33,44,33,39,40,115,102,177,173,168,149,180,85,85,82,85,75,68,60,54,52,150,152,145,151,172,180,314,295,308,310,479,479,795,781,806,803]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 e6 9. c3 b6 10. e5 Nd7 {[%cal Rd7e5]} 11. d4 {A08: King's Indian Attack} a5 12. Nf1 Ba6 13. a3 {White is slightly better.} a4 14. h4 {[#]} Bxf1 $146 (14... Bb5 $14) ({Predecessor:} 14... Qc7 15. Bf4 Na5 16. Ne3 Nb3 17. Rb1 cxd4 18. cxd4 Rac8 {1-0 (54) Amin,B (2689)-Movsesian,S (2647) Riadh 2017}) 15. Bxf1 $16 Qb8 (15... c4 $16) 16. Bb5 $18 Rc8 17. Bf4 Qa7 18. c4 (18. h5 $18 {has better winning chances.}) 18... Nxd4 $16 19. Nxd4 cxd4 {[#]} 20. cxd5 $1 Rc5 21. Bc6 Rd8 22. Bg5 ({Of course not} 22. Qxa4 Qxa4 23. Bxa4 Rxd5 $11) 22... Re8 ({Black should play} 22... Rc8 $14) 23. Qxd4 {Threatens to win with dxe6.} exd5 24. Qxa4 Qxa4 25. Bxa4 b5 (25... Rc7 $142 26. Rad1 Ra8) 26. b4 $18 Rc7 27. Bxb5 Rxe5 (27... Rb8 $142) 28. Bf4 {White is clearly winning.} Rxe1+ (28... h6 $142 29. a4 Bf6 30. Bxe5 Nxe5) 29. Rxe1 Ra7 30. Bxd7 {Accuracy: White = 76%, Black = 14%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.16"]
[Round "1"]
[White "Tsay, Vincent"]
[Black "Stearman, Josiah"]
[Result "0-1"]
[ECO "D14"]
[WhiteElo "2342"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,82,28,29,50,52,56,40,30,30,23,20,28,20,27,21,35,0,4,-8,-10,-56,-64,-56,-57,-58,0,-1,0,0,0,0,0,0,0,-630,-630,-629,-612,-622,-617,-608,-588,-592,-609,-785,-778,-770,-764,-1068,-1020,-1206,-1172,-1785,-1780,-1783,-1659,-1459,-1337,-1747,-1368,-5601,-5601,-1997,-1970,-1571,-1500]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Qb6 9. Qxb6 axb6 10. Rc1 {LiveBook: 3 Games. D14: Slav Defence: Exchange variation with ...Bf5} Ne4 {[#] Strongly threatening ...Nxc3.} (10... Bb4 11. a3 Bxc3+ 12. Rxc3 Rc8 13. Be2 Ne4 14. Rc1 Ke7 15. O-O Na5 16. Rc7+ Rxc7 17. Bxc7 Rc8 18. Bxb6 {½-½ (40) Bajarani,U (2546)-Jakovenko,D (2748) Skopje 2015}) 11. a3 Bd6 $146 ({Predecessor:} 11... Nxc3 12. Rxc3 Be7 {½-½ (12) Jovic,S (2165)-Altantuya,B (2060) Novi Sad 2018}) 12. Bxd6 {White is slightly better.} Nxd6 13. Nh4 Be4 14. f3 Bg6 15. Nxg6 hxg6 16. Bd3 Kd7 17. Kf2 Ra5 18. f4 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 19. Nb1 b4 20. h3 b5 {[%cal Bb7b5,Bb5b4,Bb4a3][%mdl 32]} 21. Rc5 Rc8 (21... Rb8 $15) 22. Rhc1 $11 Nc4 23. Be2 bxa3 24. Nxa3 Nd6 $36 {[%mdl 2048] [#] Threatens to win with ...Ne4+. Black is more active.} 25. Ke1 {[%cal Ra3b5]} b4 26. Bb5 $2 {[%mdl 8192]} (26. Rxa5 $11 Nxa5 27. Rxc8 Kxc8 28. Nc2) 26... bxa3 $19 {Black is clearly winning.} 27. Rxc6 Rxb5 28. Rxc8 Nxc8 29. bxa3 {[%mdl 4096] Endgame KRN-KR} Rb3 30. Ke2 Rxa3 31. h4 Nd6 32. g4 Nc4 33. h5 gxh5 34. gxh5 Rxe3+ 35. Kf2 Rh3 36. Rg1 Rxh5 37. Rxg7 Ke7 38. Kf3 Rh3+ 39. Kg4 Rh1 {( -> ...Rg1+)} 40. Kf3 Rf1+ 41. Ke2 Rxf4 {Accuracy: White = 37%, Black = 70%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.16"]
[Round "1"]
[White "Dordzhieva, Dinara"]
[Black "Arjun, Vishnuvardhan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2340"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,21,52,24,44,37,37,36,27,31,77,70,78,84,73,71,147,89,125,125,125,125,125,125,129,127,139,116,98,92,307,313,295,295,297,307,306,305,538,261,1369,1356,1302,1262,1896,1756,29983,29984,29984,29985,29985,29986,29979,29980,29980,29970,29956,5114,4798,1697]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nbd7 5. g3 h5 (5... Be7 6. Bg2 O-O 7. O-O Re8 8. h3 Bf8 9. g4 exd4 10. Qxd4 Nc5 11. Ng3 Nfd7 12. f4 c6 13. Qf2 Nxe4 14. Ncxe4 d5 15. Be3 dxe4 16. Nxe4 {0-1 (71) Grischuk,A (2737)-Bortnyk,O (2581) Doha 2016}) 6. h3 {B07: Pirc Defence: Miscellaneous Systems} a6 $146 ({Predecessor:} 6... Be7 7. Bg2 a6 8. a4 b6 9. O-O c6 10. Be3 Bb7 11. Kh1 b5 12. d5 O-O {½-½ (37) Marcelin,C (2482)-Dumitrache,D (2445) Mulhouse 2011}) 7. a4 b6 8. Bg2 {White is slightly better.} Bb7 9. O-O c5 10. dxe5 dxe5 11. Nd5 Nxd5 12. exd5 f5 {[#]} ({Black should try} 12... Bd6) 13. Re1 (13. Qe1 $142 $1) 13... Qf6 14. Nf4 O-O-O 15. Ne6 {Hoping for Bg5.} ({Weaker is} 15. Nxh5 Qf7 $11) 15... Re8 16. a5 {axb6 is the strong threat.} b5 17. c4 $36 {[%mdl 2048] Black is under strong pressure.} b4 18. Be3 Bd6 19. Qd2 f4 $2 {[#]} (19... h4 $16) 20. gxf4 $18 exf4 21. Bxf4 Bxf4 22. Nxf4 Ne5 23. Qe3 Kb8 $2 (23... Qd6 24. h4 Kb8) 24. Rac1 (24. Ne6 $142) 24... Nxc4 $2 (24... Qd6 25. Ne6 Nf7) 25. Qxe8+ Rxe8 26. Rxe8+ Ka7 27. Rxc4 Qxb2 28. Re7 Kb8 29. d6 Qa1+ 30. Kh2 Bxg2 31. Kxg2 Qf6 32. Re8+ Kb7 33. d7 (33. Rxc5 $142 Qxd6 34. Ne6 Qd7 35. Nd8+ Ka8 36. Rf8 g5 37. Nc6+ {[%mdl 64] Discovered Attack} Kb7 38. Rb8+ Kc7 39. Ne5+ {[%mdl 64] Discovered Attack} Kxb8 40. Nxd7+ Kb7 41. Rc4) 33... Qc6+ 34. Rce4 {Accuracy: White = 75%, Black = 46%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.16"]
[Round "1"]
[White "Williams, Justus"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2335"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,42,16,25,14,37,40,30,-49,-18,-33,-16,-17,-23,-23,-27,-8,31,41,31,-84,-84,-90,-69,-64,-61,-102,-82,-178,-177,-164,-155,-1064,-1056,-1052,-1054]} 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} (4... cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Be6 8. Bg5 Nbd7 9. e4 dxe4 10. Bxe4 Qc7 11. Bg2 Be7 12. Nc3 O-O 13. Re1 Rad8 14. Qe2 h6 15. Bxf6 Bxf6 {½-½ (107) Caruana,F (2802)-Nakamura,H (2786) chess.com INT 2017}) 5. Ne5 d5 6. c4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} cxd4 7. cxd5 Nxd5 8. Qa4+ $146 (8. O-O $11) ({Predecessor:} 8. Qxd4 f6 9. Qa4+ Bd7 10. Nxd7 Qxd7 11. Qxd7+ Nxd7 12. Nc3 {0-1 (79) Anagnostopoulos,K (2097)-Kalogeris,I (2008) Crete 2013}) 8... Nd7 $15 {And now ...b5! would win.} 9. O-O {[#]} b5 $1 {[%mdl 512]} 10. Qxd4 (10. Qxb5 $2 Rb8 $19) 10... Bc5 11. Qe4 f5 12. Qc2 Bxf2+ ({Of course not} 12... Nxe5 $6 13. Qxc5 Bb7 14. Nc3 $16 (14. Qxb5+ Bc6 $16)) 13. Rxf2 Nxe5 14. e4 (14. Nc3 $14 {keeps the upper hand.}) 14... Nb4 $1 $17 {[%cal Rb4c2,Bd5b4,Bb4d3,Bd3f2,Bf2g4,Bg4e3][%mdl 32]} 15. Qe2 {Hoping for exf5.} Nbd3 16. exf5 Nxf2 17. Qxb5+ {[#]} Kf7 $1 18. Qxe5 (18. Nc3 $17 {might work better.} Qd4 19. Bxa8) 18... Ng4 $40 {[%mdl 128] Black has strong attack.} 19. fxe6+ {[#]} Kg8 $1 20. Bd5 $2 (20. Qe1 $17 Qb6+ 21. Kh1) 20... Qb6+ (20... Nxe5 $2 {loses.} 21. e7+ Be6 22. Bxe6+ Nf7 23. exd8=N $18) 21. Be3 Nxe3 {Accuracy: White = 39%, Black = 66%.} (21... Nxe5 $2 {is the wrong capture.} 22. Bxb6 Bb7 23. Bxb7 $18) 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "2"]
[White "Wang, Justin"]
[Black "Dordzhieva, Dinara"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2409"]
[BlackElo "2340"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,57,26,25,39,33,77,45,66,72,87,49,29,21,96,92,68,72,78,0,16,12,125,118,118,129,163,121,136,129,131,132,140,145,288,262,376,361,497,470,652,530,580,549,736,710,649,423]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 a6 {B81: Sicilian Scheveningen: Keres Attack} (7... Nc6 8. Rg1 d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Be3 Qxh4 12. Qf3 Nxd4 13. Bxd4 Qe7+ 14. Be2 Qe4 15. Qc3 Be6 16. f3 Qf4 17. Be5 Qa4 18. b3 Qb4 19. Bxg7 Rg8 20. Bd4 Qxc3+ 21. Bxc3 h5 {½-½ (21) Maze,S (2615)-Duda,J (2724) Brest 2018}) 8. Qf3 h5 $146 ({Predecessor:} 8... Qb6 9. Nb3 Nc6 10. Be3 Qc7 11. Be2 b5 12. g5 hxg5 13. hxg5 Rxh1+ 14. Qxh1 Nd7 15. g6 fxg6 {1-0 (34) Velicka,P (2462)-Bokros,A (2452) Slovakia 2011}) 9. gxh5 (9. g5 $5 {[%cal Rg5f6]} Ng4 10. Qe2 $14) 9... Nxh5 {White is slightly better.} 10. Bg5 Qc7 11. Bg2 Nd7 12. Qe2 g6 (12... Ne5 $11 {remains equal.}) 13. O-O-O $36 {[%mdl 2048] Keeping Black busy.} Bg7 14. Kb1 Kf8 15. Rh3 (15. Qd2 $16) 15... Kg8 16. Nb3 Ne5 (16... Nb6 $11 {keeps the balance.}) 17. f4 Nc6 18. f5 $1 Ne5 19. fxg6 fxg6 20. Bf3 $1 b5 {White must now prevent ...b4.} 21. Bxh5 Rxh5 {[#]} 22. Qg2 $1 Bd7 {[#]} (22... Bb7 $16) 23. Ne2 $1 $18 {[%cal Bc3e2,Be2f4,Bf4e6][%mdl 32]} Rh7 (23... Nc4 {was worth a try.} 24. Nf4 e5 25. Nxh5 Bxh3 26. Qxh3 gxh5) 24. Nf4 Rc8 25. Nd4 {White is clearly winning.} Qc4 26. Rc3 Qb4 27. a3 Qa5 28. Rxc8+ Bxc8 29. Nfxe6 {Accuracy: White = 77%, Black = 15%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "2"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Hong, Andrew"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2355"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,145,37,5,48,22,147,47,46,49,226,65,62,63,84,42,27,40,41,33,60,45,81,63,123,23,26,-7,-7,-7,-6,-6,-10,-14,-5,-8,-4,-28,-46,-36,-27,-94,-87,-77,-70,-107,-18,-16,-12,-16,-14,-6,0,-12,-12,-9,0,-59,0,0,0,0,0,0,8,8,8,16,43,43,45,56,130,121,287,277,379,379,379,379,379,379,379,379,379,371,371,363,371,364,576,533,8013,6167,2162,2090,29977,29978,29978,29979,29988,29972,29971,29972,29980,29981,29983,29984,29985,29985,29985,29980,29980,29981,29981,29982,29982,29983,29974,29975,29965,29961,12781,5949,29988,29989,29989,29990,29990,29991,29996,29997,29998,29999]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be3 Nf6 {B22: Sicilian: 2 c3} 7. Na3 (7. Qb3 cxd4 8. Nxd4 Nxd4 9. Bxd4 a6 10. Nd2 e6 11. Be2 O-O-O 12. Nc4 Bc5 13. O-O Be4 14. Rfd1 {1-0 (32) Jones,G (2676)-Pichot,A (2556) Sharjah 2017}) 7... cxd4 8. Nb5 {LiveBook: 29 Games} Qd8 {The position is equal.} 9. Nfxd4 Nxd4 (9... Bd7 $11 {keeps the balance.}) 10. Nxd4 ({Much weaker is} 10. Bxd4 $6 a6 $11) ({Better is} 10. Qxd4 $16 Qxd4 11. Bxd4 (11. Nxd4 Bd7 $16)) 10... Bd7 $14 11. Qb3 e5 $2 {[#]} (11... Qb6 $14) 12. Nf3 $2 (12. Bc4 $1 $18 {[%cal Rc4f7]} exd4 13. Bxf7+ Ke7 14. Bxd4) 12... Bd6 $146 ({Predecessor:} 12... Qc7 13. Bc4 Bg4 14. O-O-O Bh5 15. Bb5+ Ke7 16. Qb4+ Ke6 17. Bc4+ Kf5 18. Nh4+ Kg4 19. Be2# {1-0 (19) Baturo,T (2053)-Celmer,J (1998) Chojnice 2007}) 13. Qxb7 O-O 14. Qa6 Qc7 15. Rd1 Be7 16. Bb5 Bc8 17. Qc6 Qb8 $1 18. Bc4 e4 (18... Bb7 $14 19. Qb5 Bxf3 20. gxf3 Qxb5 21. Bxb5 Rab8) 19. Ng5 (19. Ne5 $1 $16) 19... h6 $11 20. Nxe4 (20. Nxf7 {feels hotter.} Rxf7 21. O-O Qb7 22. Qxb7 Bxb7 23. Rd4) 20... Bb7 21. Nxf6+ Bxf6 22. Qd6 Bxg2 23. Qxb8 Rfxb8 (23... Raxb8 $5 24. Rg1 $8 Bf3 $11) 24. Rg1 $132 {[%mdl 2048] White has counterplay} Bf3 25. Rc1 Rxb2 26. Rg3 Bh5 27. Bd5 (27. Bxh6 $11 Re8+ 28. Kf1) 27... Rd8 $17 28. c4 Rxa2 29. Bxh6 a5 (29... Be5 $17 30. Rh3 gxh6 31. Rxh5 Bf4) 30. Bg5 $11 Re8+ 31. Kf1 Bd4 32. Be3 Bxe3 33. Rxe3 Rxe3 34. fxe3 Rxh2 {[%mdl 4096] Endgame KRB-KRB} 35. c5 (35. Ra1 $11) 35... Bg6 (35... Rd2 $15 36. Bb7 a4) 36. Bg2 Bf5 37. Kg1 Rh4 38. c6 Kh7 39. Bd5 Kg6 40. c7 Bc8 41. Rc6+ Kf5 42. Rd6 {And now Rd8 would win.} Ke5 ({Black should try} 42... Rh3 $14) 43. Rd8 $16 Bf5 $2 (43... Bg4 $16 {keeps fighting.}) 44. Bxf7 $18 {aiming for Rd5+.} Kf6 45. Bd5 {Rf8+ is the strong threat.} Ke5 {[#]} 46. e4 $1 {[%mdl 512]} Bg4 (46... Bxe4 47. Bxe4) 47. c8=Q Bxc8 48. Rxc8 {KRB-KR} Rh3 49. Kg2 Rd3 50. Rg8 Kf6 51. Ra8 Ra3 (51... Ke5 {is a better defense.} 52. Rxa5 Kf4) 52. Re8 a4 53. e5+ Kf5 54. e6 Kf6 55. Rf8+ Ke7 56. Rf7+ {[%mdl 64] Double Attack} Kd8 57. Ra7 Re3 58. Rxa4 Ke7 59. Ra7+ Kf6 60. Kf2 Re5 61. Rf7+ Kg6 62. Rd7 Kf6 63. Kf3 Re1 64. Bc4 g5 65. Rf7+ Ke5 66. Ba2 Re4 67. Rg7 Rf4+ 68. Kg3 {Threatening mate with e7.} Ra4 69. e7 {White mates.} Ra8 70. Rg8 Ra3+ 71. Kg4 Kf6 72. e8=Q {[%csl Ge8][%cal Rg8g6]} Rg3+ 73. Kxg3 {Accuracy: White = 67%, Black = 38%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "2"]
[White "Tsay, Vincent"]
[Black "Williams, Justus"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2342"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,79,0,15,-34,-42,-20,-25,-47,10,-9,48,0,10,-7,56,-54,-44,-38,-40,-56,-55,-52,-47,-47,-42,-58,-35,-43,0,0,0,-18,-18,-46,-3,-43,-46,-89,-86,-72,-35,-68,-79,-72,-68,-65,-77,-71,-71,-338,-269,-265,-247,-262,-255,-1102,-992,-29995,-640,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 c5 9. dxc5 Bxc5 10. Qxc4 Nbd7 {LiveBook: 7 Games} 11. a5 $146 {E05: Open Catalan: 5 Nf3 Be7} ({Predecessor:} 11. Nc3 b5 12. Qh4 Bb7 13. axb5 axb5 14. Rxa8 Qxa8 15. Nxb5 Ne5 16. Nxe5 Bxg2 17. Rd1 Bh1 18. Qh3 Qb8 19. Kxh1 Qxe5 {½-½ (19) Gledura,B (2621)-Bruzon Batista,L (2653) Saint Louis 2018}) 11... b5 12. axb6 Bb7 13. Nc3 {Black has an edge.} Rc8 ({Better is} 13... Qxb6 $15 14. Qd3 Qc6) 14. Qh4 Be7 ({Black should try} 14... Qxb6 $11 15. Na4 Qb5) 15. Qd4 Bc5 16. Qh4 Be7 (16... Qxb6 $11 17. Na4 Qb5) 17. Ng5 (17. Rd1 $14) 17... Bxg2 $15 18. Kxg2 h6 19. Nf3 Qxb6 20. Qa4 Nc5 21. Qa2 Qb7 22. Be3 Rc6 23. Kg1 Ng4 24. Bxc5 Bxc5 25. Ne4 Be7 26. h3 Rc2 (26... Nf6 {is more complex.} 27. Ned2 Rc2 28. Rfc1 Rxb2 29. Qxa6 Qxa6 30. Rxa6 Bb4) 27. Ned2 (27. Nc3 {feels hotter.} Rxb2 28. Qxa6 Qxa6 29. Rxa6 Rc2 30. Rc6) 27... Nf6 $36 {[%mdl 2048] Black is more active.} (27... Rxb2 $6 28. Rab1 $14) 28. Qxa6 Qxa6 ({Reject} 28... Rxb2 29. Qxb7 Rxb7 30. Rfc1 $11) 29. Rxa6 Rd8 30. Rb1 Rcxd2 31. Nxd2 Rxd2 32. b4 Rxe2 33. b5 Bc5 {White must now prevent ...Ne4.} 34. Rc6 $2 {[%mdl 8192]} (34. b6 $17 Rxf2 35. Kh1) 34... Rc2 ({But not} 34... Bxf2+ 35. Kf1 $19) 35. Kh1 {[#] Hoping for b6.} Ne4 $1 {[%cal Re4f2]} 36. b6 Nxf2+ 37. Kg2 $2 (37. Kg1 Ne4+ 38. Rxc5 Nxc5 39. b7 Nxb7 40. Rxb7) 37... Ne4+ 38. Kf3 Nd2+ (38... Ng5+ $142 39. Kg4 Rc4+ 40. Kh5 Kh7 41. g4 g6+ 42. Kh4 Bf2#) 39. Kf4 {[#] aiming for Rxc5!} Rc4+ 40. Ke5 Nf3# {Precision: White = 24%, Black = 60%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "2"]
[White "Stearman, Josiah"]
[Black "Yip, Carissa"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2309"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,12,-7,-1,-20,8,0,-8,-44,-6,-6,-6,-10,-9,-10,0,-19,0,-27,-11,-31,-24,-31,-29,-30,-25,-26,-21,-27,0,0,0,-75,-76,-75,-74,-71,0,0,0,0,0,0,0,0,72,66,71,0,0,3,10,0,0,0,0,0,0,0,0,0,0,0,0,0,1074,998,947,879,2178,2138,5291,5320,5281,5281]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bg3 Qe7 8. Nbd2 O-O 9. Qe2 {LiveBook: 3 Games. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (9. Ne5 Nd7 10. Nxd7 Qxd7 11. O-O b6 12. Bxd6 Qxd6 13. f4 f5 14. Nf3 c4 15. Bc2 b5 16. a3 a5 17. g4 Bd7 {½-½ (69) Grischuk,A (2781)-Hammer,J (2677) Stavanger 2015}) 9... e5 10. dxe5 Nxe5 11. Nxe5 {The position is equal.} Bxe5 12. Nf3 Bc7 $146 ({Predecessor:} 12... Bd6 13. Bh4 Bg4 14. h3 Bh5 15. g4 Bg6 {½-½ (15) Cameron,E (1641)-Peter,H (1759) ICCF email 2010}) 13. Bxc7 Qxc7 14. h3 Re8 15. O-O b6 16. Rad1 a6 17. Bb1 Bb7 18. Qc2 g6 19. Qa4 Ne4 20. Bxe4 Rxe4 21. Qc2 Rae8 22. Rd2 Qc8 23. Rfd1 R4e7 24. Qa4 {[#]} (24. Ne1 $11) 24... d4 $1 $17 {[%mdl 512]} 25. cxd4 Bxf3 26. gxf3 {[#]} Qxh3 (26... b5 $1 $17 {[%cal Rb5a4]} 27. Qa3 Qxh3) 27. dxc5 $11 Qxf3 28. Rd8 b5 29. Qh4 ({Don't go for} 29. Qxa6 $2 Kg7 $19) 29... Kg7 $1 30. Qd4+ $1 Kg8 (30... Kh6 $1 $11 {remains equal.}) 31. Rc1 $16 {And now c6 would win.} Qc6 $1 32. Qd6 (32. Qd5 $16 Qc7 33. Rxe8+ Rxe8 34. c6) 32... Qe4 $11 33. Rxe8+ Rxe8 {[%mdl 4096] Endgame KQR-KQR} 34. c6 Qg4+ 35. Kf1 Qh3+ 36. Ke2 Qg4+ 37. Kd2 {Threatens to win with Qd7.} Qh4 {White must now prevent ...Rd8.} 38. Qf4 Qxf4 39. exf4 {Hoping for Kc3. KR-KR} Kf8 $1 40. Kc3 Rc8 $2 {[%mdl 8192]} (40... Ke7 $11) 41. Kb4 $18 {White is clearly winning.} Ke7 42. Kc5 Kd8 43. Kd6 Rc7 {[#]} 44. f5 $1 {[%mdl 512]} gxf5 45. Rg1 {Accuracy: White = 58%, Black = 52%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "2"]
[White "Arjun, Vishnuvardhan"]
[Black "Marek, Matyas"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2247"]
[BlackElo "2361"]
[Annotator "ChessBase"]
[PlyCount "32"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:09]} g6 {[%emt 0:00:49]} 3. Bg2 {[%emt 0:00:23]} Bg7 {[%emt 0:00:07]} 4. O-O {[%emt 0:00:37]} O-O {[%emt 0:00:00]} 5. d4 {[%emt 0:03:23]} d6 {[%emt 0:00:15]} 6. c4 {[%emt 0:03:39]} Nbd7 {[%emt 0:00:55]} 7. Nc3 {[%emt 0:12:21]} e5 {[%emt 0:04:22]} 8. e4 {[%emt 0:11:42]} c6 9. b3 {[%emt 0:00:07]} exd4 {[%emt 0:06:35]} 10. Nxd4 {[%emt 0:07:42]} Re8 {[%emt 0:07:11]} 11. Bf4 {[%emt 0:14:13]} Nc5 {[%emt 0:05:19]} 12. Re1 {[%emt 0:06:56]} Ng4 13. Qd2 {[%emt 0:00:31]} Ne5 {[%emt 0:08:04]} 14. Be3 {[%emt 0:00:52]} Ng4 {[%emt 0:08:58]} 15. Bf4 {[%emt 0:01:16]} Ne5 16. Be3 Ng4 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "3"]
[White "Hong, Andrew"]
[Black "Tsay, Vincent"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2368"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,89,0,0,4,0,21,14,20,8,22,23,59,17,62,60,44,54,53,66,66,14,17,14,27,25,25,24,23,25,35,35,56,54,133,103,103,106,108,92,79,83,186,182,182,182,182,182,182,175,175,175,201,171,174,170,202,202,726,719,693,693,988,685,1282,676,666,660,29993,5322,29995,29996,29996,29997]} 1. e4 c5 2. Nf3 e6 3. d3 d5 4. Qe2 Ne7 5. g3 Nbc6 6. Bg2 g6 7. O-O Bg7 8. c3 O-O 9. Na3 b6 10. e5 a5 {A08: King's Indian Attack} (10... Ba6 11. Nc2 b5 12. d4 Qb6 13. b4 cxd4 14. cxd4 Bb7 15. Bf4 a5 16. a3 axb4 17. axb4 Ra4 18. Qd2 {0-1 (52) Bologan,V (2640)-Vitiugov,N (2726) Doha 2016}) 11. h4 $146 ({Predecessor:} 11. Nc2 a4 12. Re1 Ba6 13. h4 b5 14. a3 Na5 15. Bf4 Nb3 16. Rad1 Qd7 17. Nd2 Bb7 18. d4 {0-1 (28) Monus,Z (2092)-Vegh,E (2267) Hungary 2012}) 11... h6 12. Bf4 Ba6 {The position is equal.} 13. Nc2 a4 14. Rfe1 b5 15. Ne3 c4 16. d4 b4 17. a3 bxc3 18. bxc3 Rb8 19. Nc2 (19. h5 $14) 19... Rb2 $11 20. Qd1 Rb3 21. Qd2 Kh7 22. Nb4 Bb5 23. Bf1 Qb6 24. Be2 Nxb4 25. axb4 a3 (25... h5 $14) 26. Qc1 Qa6 27. Ra2 Ra8 28. Nd2 Rb2 29. Ra1 {aiming for Bd1.} Nc8 (29... Nc6 $16) 30. Bd1 $18 Nb6 31. Nb1 Rb3 32. Bxb3 cxb3 33. Rxa3 Ba4 34. Nd2 Nc4 35. Nxb3 {[#] Threatens to win with Nc5.} Nxa3 36. Qxa3 Qc6 37. Ra1 Bxb3 $2 (37... Qe8 38. Nc5 Bc6) 38. Qxa8 Qxc3 39. Qa7 Bc2 40. Be3 {[#] And now b5 would win.} Be4 41. Rc1 Qxb4 42. Qxf7 Qb6 43. Rc7 (43. Rc8 $142 g5 44. h5 Qb1+ 45. Bc1 Qxc1+ 46. Rxc1 Bc2 47. Rxc2 Kh8 48. Rc8+ Kh7 49. Qg8#) 43... Qb1+ 44. Bc1 Qxc1+ 45. Rxc1 {Accuracy: White = 65%, Black = 40%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "3"]
[White "Marek, Matyas"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "2361"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,14,24,40,35,36,24,22,23,27,19,14,25,27,24,12,22,16,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} 9. Nf3 Bd6 10. O-O O-O 11. Re1 f5 12. Nxe5 Qf6 $1 {LiveBook: 8 Games} 13. Nf3 g5 {With the idea ...g4.} 14. g3 f4 15. Nc3 $1 {[%cal Rc3e4] [#] aiming for Ne4.} fxg3 16. hxg3 {And now Ne4 would win.} Nxc3 17. dxc3 {[#] Black must now prevent Bxh7+!} Bg4 $146 18. Bxg5 Qxf3 19. Qxf3 Bxf3 {The position is equal.} 20. Re6 Nb7 21. Rae1 Bd5 22. Rh6 Rf7 23. c4 Bf3 24. Ree6 Bf8 25. Rhf6 {[#] Threatens to win with Rxf7.} Nc5 26. Rxf7 Nxe6 27. Rxf3 {Strongly threatening Bc1.} Nxg5 28. Rf5 Ne6 29. Be4 Rc8 30. Rf6 Nd4 {...Kg7 is the strong threat.} 31. Kg2 Kg7 32. Rf4 h6 33. Rg4+ Kf6 34. Rf4+ Kg7 35. Rg4+ Kf6 36. Rf4+ {Accuracy: White = 86%, Black = 100%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "3"]
[White "Dordzhieva, Dinara"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2340"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,117,32,25,38,14,10,8,12,8,11,11,6,8,6,18,62,24,80,34,136,5,14,25,17,25,32,31,58,61,62,0,0,0,4,0,20,14,29,5,17,23,18,0,0,0,43,31,52,64,50,29,94,87,146,106,139,139,126,130,128,131,135,128,126,117,93,12,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,66,59,59,59,59,59,59,59,59,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c6 5. b3 Nbd7 6. Bd3 Bd6 7. Bb2 Qe7 {A06: Réti Opening:1 Nf3 d5} (7... O-O 8. Nbd2 b6 9. O-O Bb7 10. Qe2 c5 11. Rad1 Ne4 12. cxd5 exd5 13. Ba6 Bxa6 14. Qxa6 Re8 15. dxc5 Ndxc5 16. Qe2 Rc8 17. Rc1 Bf8 18. Rfd1 Qe7 {½-½ (45) Radjabov,T (2710)-Ding,L (2773) Moscow 2017}) 8. Nbd2 (8. Ne5 {with more complications.} Bb4+ 9. Nd2 Ne4 10. Bxe4 dxe4 11. Nxd7 Bxd7 12. a3) 8... e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Bxe5 Qxe5 12. O-O Bg4 13. Qc2 O-O-O 14. h3 $146 ({Predecessor:} 14. a4 d4 15. e4 {0-1 (34) Rafili,S (1628)-Kokaia,G (1899) Batumi 2014}) 14... Bh5 (14... dxc4 $11 15. Nxc4 Qd5) 15. b4 d4 {[#]} (15... dxc4 $14 16. Nxc4 Qc7) 16. exd4 (16. e4 $1 $16) 16... Qxd4 $11 17. Bf5+ Kb8 18. Nb3 Qf4 19. Rfe1 g6 20. Bd3 g5 21. Bf1 ({Better is} 21. Qc3 $14) 21... Bg6 22. Qb2 {g3 is the strong threat.} Ne4 $1 23. g3 Qc7 24. Bg2 $36 {[%mdl 2048] White has good play.} Rhe8 25. Rad1 (25. Bxe4 $5 Bxe4 26. Qf6 $14) 25... f5 26. Rxd8+ Qxd8 27. Qd4 Qxd4 28. Nxd4 Nd6 29. Rxe8+ Nxe8 $14 {[%mdl 4096] Endgame KBN-KBN} 30. f4 gxf4 31. gxf4 a5 (31... Kc7 $11) 32. bxa5 $16 Ka7 (32... Bf7 $142) 33. Bf1 c5 {[#]} 34. Nb3 $1 b6 35. axb6+ Kxb6 36. a4 Bf7 37. a5+ Ka6 38. Nxc5+ Kxa5 39. Nd7 (39. Kf2 $16) 39... Be6 (39... Kb4 $11) 40. Nf8 $14 Bg8 41. Bd3 Kb4 42. Bxf5 Nf6 43. Kf2 Kxc4 44. Ke3 (44. Nd7 {is more complex.} Nd5 45. Kf3 Kd4 46. Bg4 Bf7 47. Nf8) 44... Kd5 45. Nd7 Nxd7 46. Bxd7 {KB-KB} Kd6 47. Bg4 Ke7 48. Bf5 Kf6 49. Bc2 h6 50. Kf3 Be6 51. Kg3 Bc8 52. Kh4 Bd7 53. Bd1 Be6 54. Bg4 {Hoping for Bxe6.} Bf7 55. Bd7 Bg6 56. Bc8 Bf7 57. f5 (57. Bb7 $14) 57... Be8 $11 58. Kg4 Ba4 59. Kf4 {Accuracy: White = 65%, Black = 53%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "3"]
[White "Williams, Justus"]
[Black "Stearman, Josiah"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2335"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,91,31,22,15,35,30,15,13,20,26,47,39,56,12,20,2,22,27,114,0,52,62,55,61,75,65,58,61,55,59,52,56,62,58,70,75,68,81,176,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4 9. Ne5 {D14: Slav Defence: Exchange variation with ...Bf5} Qb6 (9... Bxc3+ 10. bxc3 Nxe5 11. Bxe5 O-O 12. Be2 Rc8 13. f3 Qa5 14. Rc1 Rc6 15. g4 Bg6 16. h4 h6 {0-1 (29) Svane,R (2595)-Vidit,S (2711) Douglas 2018}) 10. Nxc6 bxc6 11. Be2 Ne4 12. f3 Nxc3 13. bxc3 Be7 {LiveBook: 27 Games} 14. Kf2 h5 $146 ({Predecessor:} 14... O-O 15. c4 dxc4 16. Bxc4 Qd8 {1-0 (38) Cernousek,L (2457)-Pijpers,A (2371) Leiden 2014}) 15. h4 O-O 16. c4 Qd8 17. c5 Bxh4+ 18. g3 Bg5 19. Rxh5 Bxf4 20. gxf4 {Threatens to win with Rah1.} g6 21. Rh2 Rb8 {[#]} (21... Kg7 $11) 22. Qa3 (22. Qc3 $1 $16) 22... Qc7 (22... Kg7 $1 $11) 23. Rah1 $14 Kg7 24. Qc3 $1 {Strongly threatening e4!} Rh8 25. Rxh8 Rxh8 26. Rxh8 Kxh8 27. e4 $1 {[%cal Re4f5]} dxe4 28. d5+ $1 Kg8 29. d6 {[%mdl 1024] White has compensation.} Qd8 30. Kg3 $1 g5 31. Qe3 Qa5 (31... gxf4+ $16 32. Qxf4 e3) 32. Qc1 $2 ({Worse is} 32. fxg5 Qe1+ 33. Kg2 exf3+ 34. Kxf3 Qh1+ 35. Kf2 Qh2+ 36. Ke1 Qh4+ 37. Kf1 Qh1+ 38. Kf2 Qh2+ 39. Kf1 e5 $11) (32. fxe4 $18 e5 33. fxe5 Qe1+ 34. Kg2) 32... gxf4+ $11 {The position is equal.} 33. Kxf4 Qb4 ({Avoid the trap} 33... Qxa2 $2 34. Qd1 $18) 34. Kg3 {And now d7 would win.} Qd4 35. fxe4 Bxe4 36. Qg5+ Kh7 {[#] Hoping for ...Qg1+.} 37. Qh4+ Kg7 {( -> ...Qe3+)} 38. Qg5+ Bg6 39. Bf3 f6 40. Qg4 Qg1+ 41. Bg2 $1 (41. Kh3 $2 Qxc5 42. Qg3 Kf7 $17) 41... Qe3+ 42. Kh2 Qe5+ 43. Kh1 Kf7 44. Qb4 Qa1+ 45. Kh2 Qe5+ 46. Kh1 {Accuracy: White = 75%, Black = 45%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.17"]
[Round "3"]
[White "Yip, Carissa"]
[Black "Arjun, Vishnuvardhan"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "2318"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,106,-25,-30,-21,-27,-18,-43,-39,-38,-46,-155,-153,-209,-104,-102,-84,-106,-101,-100,-100,-110,-101,-115,-105,-102,-83,-104,-90,-101,-104,-104,-99,-168,-61,-64,-62,-62,-63,-330,-341,-290,-243,-252,-251,-245,-244,-258,-258,-264,-256,-275,-189,-180,-188,-185,-176,-333,-304,-480,-404,-525,-480,-480,-480,-679,-707,-728,-720,-4845,-2586,-2563,-2272,-29975,-29973,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29987,-29987,-29987,-29978,-29978,-29979]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 Nbd7 {B18: Classical Caro-Kann: 4...Bf5 sidelines} 8. h4 (8. Bc4 Qc7 9. O-O e6 10. c3 Bd6 11. Qf3 c5 12. dxc5 Bxc5 13. Bb3 O-O-O 14. Nxg6 hxg6 15. Bf4 e5 16. Be3 e4 17. Qe2 Bxe3 18. Qxe3 Rxh2 19. Rfd1 Rdh8 20. Qxa7 e3 21. Qxe3 Ng4 {0-1 (21) Zherebukh,Y (2605)-Nakamura,H (2793) Saint Louis 2017}) 8... e5 9. Nxg6 hxg6 10. dxe5 {LiveBook: 3 Games} Qa5+ 11. Bd2 Qxe5+ {[%mdl 64] Double Attack} 12. Qe2 O-O-O 13. O-O-O Bc5 14. Qf3 $146 {[#]} (14. Qxe5 $15 Nxe5 15. f3) ({Predecessor:} 14. f4 Qxe2 15. Bxe2 {1-0 (49) Blazeka,M (1777)-Cvitan,E (1645) Vukovar 2013}) 14... Qe6 $1 $17 {[%cal Re6a2]} 15. Kb1 (15. Qb3 $17) 15... Qg4 (15... Ne5 $19 {is more deadly.} 16. Qe2 Qd5) 16. Bg5 Ne5 17. Qxg4+ Nexg4 18. Rxd8+ Rxd8 19. Bc4 Bxf2 20. Ne2 Ne5 21. Bb3 Rh8 22. Nc3 Rh5 23. Bxf6 gxf6 24. Ne4 Bxh4 25. g3 (25. Nd6+ $17 {keeps fighting.} Kc7 26. Nxf7) 25... Bg5 ({Black should try} 25... f5 $19 26. Nd6+ Kc7 27. Ne8+ Kd7) 26. Nd6+ $15 Kc7 {[%cal Rh5h1]} 27. Rxh5 gxh5 28. Nxf7 $2 {[%mdl 12288] Endgame [#] KBN-KBN} ({White should play} 28. Nf5 $15) 28... Nf3 $1 $19 29. Be6 Nd2+ 30. Kc1 Ne4+ 31. Kd1 Nxg3 32. Bh3 h4 33. Ke1 Nh5 34. Kf2 Bc1 35. b3 Nf4 36. Bf5 Nd5 37. Kf3 $2 (37. c4 Nc3 38. a4) 37... Nc3 38. a4 (38. Kg4 $142) 38... a5 39. Nh8 Kd6 40. Ng6 Bg5 41. Bd3 (41. Nf8 $142 b5 42. Ne6) 41... b5 42. axb5 cxb5 43. Nf4 a4 44. bxa4 bxa4 {[%cal Bb5a4,Ba4a3][%mdl 32]} 45. Ne2 Nxe2 {Black mates.} 46. Kxe2 {KB-KB} a3 47. Bc4 Kc5 48. Ba2 h3 {[%cal Bh4h3,Bh3h2][%mdl 32]} 49. Kf3 h2 50. Kg2 Bf4 51. c3 Be5 52. Be6 Bxc3 53. Kxh2 Be5+ {Accuracy: White = 37%, Black = 64%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "4"]
[White "Wang, Justin"]
[Black "Yip, Carissa"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2409"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,101,19,32,17,29,25,18,16,18,22,43,32,23,26,18,19,98,93,137,127,177,68,159,179,338,324,302,277,241,238,418,392,352,290,291,121,306,310,288,294,297,303,316,309,301,293,304,293,317,311,292,264,264,261,237,226,233,203,288,254,644,640,725,729,747,664,729,730,739,685,729,706,794,543]} 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. b3 Bf8 14. Bb2 g6 15. a4 Bg7 16. Bd3 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} c6 17. Qc2 Rc8 18. axb5 {The position is equal.} cxb5 19. d5 Nh5 20. Bf1 {[#]} Rf8 $146 ({Predecessor:} 20... Qb6 21. b4 Ng3 22. Bd3 Rf8 23. Nf1 Nxf1 24. Rxf1 {½-½ (31) Akopian,V (2691)-Tomashevsky,E (2701) Plovdiv 2010}) 21. Ba3 {[%cal Bb2a3,Ba3b4,Bb4a5][%mdl 32]} Qb6 22. Bb4 h6 (22... f5 $11) 23. Ba5 $36 {[%mdl 2048] White is really pushing.} Qc5 24. c4 f5 25. Qd1 ({Better is} 25. Nh4 $18) 25... bxc4 (25... Ng3 $1 $14) 26. bxc4 $16 Qa7 $2 {[#]} (26... Ng3 {was worth a try.} 27. Bd3 Qa7) 27. exf5 gxf5 28. Nxe5 Nxe5 29. Qxh5 f4 $2 (29... Rce8 30. Nf3 Nxf3+ 31. gxf3 Bc8 32. Rxe8 Bxa1 33. Rxf8+ Kxf8 34. Qxh6+ Qg7+ 35. Qxg7+ Bxg7) 30. Rab1 $18 Ba8 31. Bb6 Qd7 32. Nf3 (32. Bd4 $18) 32... Qf5 $2 (32... Nxc4 $16 {is a better defense.} 33. Re6 Ne5) 33. Qxf5 Nxf3+ 34. gxf3 {[#] White threatens Qe6+ and mate.} Rxf5 35. Bd3 Re5 36. Ba5 Rxe1+ 37. Rxe1 Be5 38. Rb1 Bd4 39. Bf5 Re8 40. Be6+ Kg7 41. Bb6 Be5 42. Bc7 {Black must now prevent c5!} Re7 43. Bd8 Ra7 (43... Rb7 $142 44. Re1 Rb4) 44. Rb8 Kh7 $2 (44... a5 45. Bb6 Rb7 46. Rg8+ (46. Rxa8 Rxb6 47. Rxa5 Rb1+ 48. Kg2 Bd4 $14) 46... Kh7 47. Bxa5 (47. Rxa8 Rxb6 48. Rxa5 Rb1+ 49. Kg2 Rb2 $16) 47... Ra7) 45. Ba5 {White is clearly winning.} h5 46. Kf1 Ba1 47. Rd8 Be5 48. Ke2 Kh6 49. Rb8 Kh7 50. Kd3 Kh6 51. Bc8 {Accuracy: White = 63%, Black = 21%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "4"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Marek, Matyas"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2355"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,128,-4,-4,-32,-31,-27,-37,-50,-43,-62,-54,-54,-62,-57,-55,-57,-55,-55,-55,-55,-55,-188,-189,-237,-193,-186,-190,-183,-165,-165,-165,-162,-165,-165,-165,-165,-150,-164,-150,-150,-157,-157,-135,-135,-127,-127,-133,-134,-137,-130,-127,-127,-113,-116,-126,-118,-97,-120,-127,-109,-77,-146,-103,-97,-97,-85,-82,-108,-97,-83,-106,-236,-191,-181,-132,-256,-224,-202,-171,-181,-170,-163,-163,-156,-156,-156,-79,-158,-151,-160,-102,-95,-96,-156,-141,-143,-135,-1041,-1035,-1745,-1779,-1761,-1707,-1729,-1502,-1269,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nc6 3. e4 e5 4. d3 d6 5. h3 g6 6. g4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Bg7 7. Nc3 Nge7 8. Nd5 {Black is slightly better.} h6 $146 ({Predecessor:} 8... O-O 9. Bg5 f6 10. Bh4 Nxd5 11. cxd5 Ne7 12. Nd2 Bh6 13. Nc4 Bf4 {0-1 (25) Quintero Torres,P (2095)-Martinez Martin,D (2415) Parla 2008}) 9. g5 Nxd5 10. cxd5 Nd4 11. Nxd4 cxd4 12. h4 hxg5 13. Bxg5 Bf6 14. Bxf6 Qxf6 15. Qa4+ (15. h5 $1 $15) 15... Bd7 $19 16. Qb4 Ke7 17. Rc1 Qf3 18. Rg1 Qf4 ({Don't play} 18... Rxh4 19. Rg3 $15) 19. Qd2 ({Don't blunder} 19. Rc7 $2 Rac8 $19) 19... Qxd2+ ({Resist} 19... Rxh4 20. Qxf4 exf4 21. Rc7 $15) 20. Kxd2 Rxh4 21. Rc7 Rb8 22. Be2 Kd8 23. Rcc1 Rc8 24. Rh1 Rxc1 25. Rxh4 $17 {[%mdl 4096] Endgame KRB-KRB} Rb1 26. Rh8+ Be8 27. Kc2 Ra1 28. a3 Ke7 29. Kd2 Rb1 30. Kc2 Rg1 31. Kd2 a5 32. Bd1 a4 33. Be2 b5 34. Bd1 Bd7 35. Be2 (35. Rh7 $142) 35... f5 36. Rh7+ Kd8 37. Rh8+ Kc7 38. Rh7 f4 39. Rg7 Kd8 40. Bd1 (40. Rg8+ $17 Be8 41. Rh8) 40... Rf1 41. f3 Rg1 42. Be2 (42. Rg8+ $17 {might work better.} Be8 43. Rg7) 42... Bh3 $19 43. Rb7 Bd7 44. Rb8+ Ke7 $1 45. Rh8 Be8 $1 46. Rh7+ Bf7 47. Rh8 g5 ({Black should try} 47... Rb1 48. Kc2 Rg1) 48. Rh6 {[#]} (48. Rh2 $142) 48... g4 $1 $17 {[%mdl 512]} 49. fxg4 Rg3 (49... Rg2 $142 50. Rh3 Kf6) 50. Ke1 Rg2 $1 51. Rh3 {[#]} (51. Rh8 $142) 51... Rg1+ $1 52. Kd2 {[#]} Rg3 $1 {[%cal Rg3h3]} 53. Rxg3 $4 {[%mdl 8192]} (53. Rh2 $17) 53... fxg3 {KB-KB} 54. Bf1 Kf6 55. Ke2 Kg5 56. Kf3 Kh4 57. g5 Bh5+ $2 (57... Bg6 $19 58. Kg2 Bh5) 58. Kg2 $11 {The position is equal.} Kg4 (58... Kxg5 {seems wilder.} 59. Kxg3 Bd1 60. Kf2 Bg4 61. Bg2 Kh4) 59. Be2+ Kxg5 60. Bxh5 Kxh5 61. Kxg3 Kg5 62. Kf3 Kh4 {And now ...Kh3 would win.} 63. Kf2 $1 Kh3 {Threatens to win with ...Kh2.} 64. Kf3 Kh4 {Accuracy: White = 43%, Black = 81%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "4"]
[White "Tsay, Vincent"]
[Black "Dordzhieva, Dinara"]
[Result "0-1"]
[ECO "A88"]
[WhiteElo "2342"]
[BlackElo "2340"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,166,45,64,41,26,6,26,35,79,77,94,103,117,78,86,72,83,82,85,-141,-140,-145,-145,-148,-145,-138,-133,-133,-141,-173,-170,-175,-175,-167,-167,-168,-158,-192,-183,-195,-193,-195,-187,-223,-226,-215,-195,-241,-241,-232,-224,-227,-226,-220,-204,-178,-172,-226,-221,-211,-177,-204,-202,-221,-226,-278,-277,-276,-277,-242,-224,-222,-216,-308,-311,-351,-343,-334,-326,-375,-356,-364,-360,-435,-322,-381,-360,-314,-335,-387,-376,-485,-485,-451,-450,-420,-409,-651,-649,-29977,-602,-29974,-29975,-29975,-29976,-29976,-29971,-29971,-29969,-29969,-29970,-29970,-29971,-29971,-29971,-29971,-29972,-29972,-29973,-29971,-29973,-29975,-29976,-29978,-29979,-29985,-29977,-29986,-29974,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29988,-29988,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-612]} 1. d4 d6 2. Nf3 f5 3. g3 Nf6 4. Bg2 g6 5. c4 Bg7 6. O-O O-O 7. Nc3 c6 8. b3 Qa5 9. Bb2 {[%cal Bc1b2,Bb2a3,Ba3d6][%mdl 32]} e5 10. Qd2 Qc7 11. dxe5 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6} (11. d5 e4 12. Nd4 Qe7 13. dxc6 bxc6 14. Rad1 Rd8 15. Nc2 d5 16. f3 Rd7 17. cxd5 cxd5 18. Nb5 Nc6 {0-1 (37) Gelfand,B (2773)-Giri,A (2734) Beijing 2013}) 11... dxe5 12. e4 f4 13. Rad1 {Threatens to win with Ba3.White has an edge.} Bg4 14. Ba3 Re8 15. Bd6 Qc8 16. Nxe5 $146 ({Predecessor:} 16. gxf4 Bh6 17. Nxe5 Bxd1 18. Rxd1 Nbd7 {1-0 (36) Matviishen,V (2404)-Potapov,P (2495) Pardubice 2017}) 16... Bxd1 17. Rxd1 ({And not} 17. Nxd1 fxg3 18. fxg3 Qd8 $17) 17... fxg3 18. hxg3 ({Reject} 18. fxg3 Nbd7 $15) 18... Ng4 19. Bh3 $2 (19. Nf3 $16 {stays on course.}) 19... Nxe5 $17 {[%cal Bg4e5,Be5f3,Bf3d2][%mdl 96] Discovered Attack} 20. Bxc8 Nf3+ {[%mdl 64] Double Attack} 21. Kg2 Nxd2 22. Bxb7 Bxc3 23. Bxa8 Nxe4 24. Bf4 Nf6 25. Rd3 Bb4 26. Bxb8 Rxb8 27. Bxc6 Bc5 28. Bf3 Re8 29. g4 g5 30. Rd1 Kg7 31. Kg3 Kf8 32. Rd2 Ke7 33. Bc6 Rd8 34. Re2+ Kd6 35. Ba4 Kc7 36. f3 Bb4 37. Re6 Bd6+ 38. Kg2 {[#]} (38. Kf2 $142 Ng8 39. Ke3) 38... Nd7 $1 $19 39. Rh6 Rh8 40. Bb5 Ne5 41. Rf6 Rf8 42. Rh6 Rf7 ({Don't do} 42... Nxf3 43. c5 $19) 43. Be8 Re7 44. Bb5 Nd3 45. c5 Nxc5 46. Rf6 (46. Bc4 $142) 46... Ne6 47. Rf5 h6 48. Bc4 Nf4+ 49. Kf1 Re3 50. Kf2 Rc3 51. a4 Nd3+ 52. Ke2 Ne5 53. Bd5 Rc2+ 54. Kd1 Rf2 55. Rf6 Nd3 56. Be4 Bf4 {[%csl Gf4][%cal Rf2d2]} 57. Rf7+ Kb6 {[%csl Gf4][%cal Rf2d2]} 58. Rf6+ (58. Bxd3 $142 Rd2+ {[%mdl 64] Double Attack} 59. Ke1 Rxd3 {[%mdl 64] Double Attack} 60. b4) 58... Kc5 {[%csl Gf4][%cal Rf2d2]} 59. Rc6+ Kb4 (59... Kd4 $142 60. Bxd3 Kxd3 61. Re6 Rxf3 62. b4 Rg3 63. Ke1 Be3 64. Rf6 Rg1+ 65. Rf1 Rxg4 66. Rf5 h5 67. Rd5+ Bd4 68. Rf5 Rf4 69. Rxf4 gxf4 70. b5 f3 71. b6 axb6 72. a5 h4 73. Kf1 h3 74. a6 h2 75. Ke1 h1=Q#) 60. Rc2 Nb2+ {Black mates.} 61. Ke1 Rxc2 62. Bxc2 Kc3 63. Be4 Kxb3 64. a5 Kb4 65. a6 Kb5 66. Bb7 Nd3+ 67. Ke2 Nc5 68. Bc8 Nxa6 69. Kd3 Nc5+ 70. Kd4 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 71. Kc3 a4 72. Kb2 Nd3+ 73. Ka2 Nb4+ 74. Ka1 a3 75. Be6 Kc5 76. Bg8 Kd4 77. Bf7 Ke3 78. Kb1 {[#]} a2+ $1 79. Bxa2 Nxa2 80. Kxa2 Kxf3 81. Kb2 Kxg4 82. Kc2 Kf3 83. Kd1 Kf2 {Accuracy: White = 32%, Black = 82%.} (83... g4 $142 84. Kc2 g3 85. Kc3 g2 86. Kb3 g1=Q 87. Kc4 Bd6 88. Kd5 Qc5+ 89. Ke6 Ke4 90. Kf6 Qg5+ 91. Kf7 Kf5 92. Ke8 Qe7#) 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "4"]
[White "Williams, Justus"]
[Black "Hong, Andrew"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2335"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,101,-6,12,2,10,15,19,3,25,7,-1,-37,-25,-44,-37,-135,-104,-114,-112,-122,-119,-116,-120,-152,-158,-169,-164,-169,-165,-166,-131,-141,-144,-150,-151,-141,-152,-170,-166,-166,-160,-167,-139,-155,-135,-223,-231,-283,-297,-297,-290,-295,-287,-267,-214,-219,-220,-255,-253,-244,-236,-243,-242,-274,-213,-205,-200,-195,-183,-193,-106,-107,-108,-98,-58,-67,-29,-35,-18,-16,0,-56,-41,-53,-52,-49,-8,-8,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Qd3 dxc4 6. Qxc4 b5 7. Qd3 a6 8. e4 {D43: Semi-Slav: 5 Bg5 h6} c5 9. dxc5 Bxc5 10. Qxd8+ Kxd8 11. Ne5 Ke7 12. Bg5 $146 {Black must now prevent Nd3.} ({Predecessor:} 12. f3 Bd4 13. Nd3 Nc6 14. Bd2 Bb7 15. O-O-O Rhd8 {½-½ (40) Kveinys,A (2522)-Tregubov,P (2647) Manama 2009}) 12... h6 13. Bf4 Bb7 14. Bd3 (14. f3 $15) 14... Rd8 15. Ke2 Bd4 16. h4 Bxc3 17. bxc3 Nxe4 18. Rhc1 f6 19. Bxe4 Bxe4 20. Nf3 Nc6 21. Be3 Bd5 22. Nd2 Ne5 23. Bd4 Nc4 24. Nxc4 Bxc4+ 25. Kf3 e5 26. Be3 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 27. g3 Kf6 28. Kg2 Bd5+ 29. f3 {[#]} (29. Kh2 $17 {might work better.}) 29... g5 $1 $19 30. Kf2 gxh4 31. gxh4 f4 32. Bb6 Rd6 33. Rd1 Rxb6 34. Rxd5 {[%mdl 4096] Endgame KRR-KRR} Rc8 35. Rd3 Rc4 36. Re1 Rc5 37. Ke2 Kf5 38. Kd2 b4 39. cxb4 Rxb4 {aiming for ...Rb2+.} 40. Rd8 Rb2+ 41. Kd3 Rxa2 ({Better is} 41... Rb6 $19 42. Ra1 Rcc6) 42. Rf8+ $17 {[#]} Ke6 $1 {Hoping for ...Ra3+.} 43. Rxf4 Rca5 {Strongly threatening ...R5a3+.} 44. Rf8 $1 R5a3+ 45. Kc4 Ra4+ 46. Kb3 R4a3+ 47. Kb4 (47. Kc4 $11) 47... a5+ 48. Kb5 Rb3+ 49. Ka6 Rb4 50. Re8+ Kf6 51. R1xe5 {Accuracy: White = 59%, Black = 50%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "4"]
[White "Stearman, Josiah"]
[Black "Arjun, Vishnuvardhan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2309"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,154,0,-20,-4,1,6,-4,20,-2,-2,-12,-3,-11,0,-33,-27,-29,-22,-27,-29,-41,-36,-50,-15,-41,-10,-85,-64,-56,-44,-70,-13,-8,-1,-34,-24,-22,-41,-84,-89,-89,-82,-156,-157,-210,-172,-140,-163,-335,-323,-337,-317,-288,-291,-256,-187,-321,-312,-301,-156,-241,0,-13,-4,-31,-48,-50,-34,-590,-587,-587,-59,-59,-59,-59,-33,-33,-33,-33,-33,-34,-33,-34,-34,-59,-18,-59,-59,-59,-59,-59,-59,-59,-59,-59,-59,-59,-53,-59,-59,-59,-59,-59,-53,-59,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qc2 Bf5 8. Qc1 h6 9. Nbd2 Rc8 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (9... e6 10. Be2 Be7 11. b3 cxb3 12. axb3 O-O 13. O-O Rfc8 14. Qb2 a5 15. Ra4 Qd8 16. Rfa1 Ne8 17. h3 {½-½ (51) Yu,Y (2747)-Maze,S (2591) Gibraltar 2016}) 10. Be2 {[%cal Bf1e2,Be2d1,Bd1c2][%mdl 32]} e6 11. O-O Qd8 12. Bd1 (12. h3 {with more complications.} Be7 13. b3 b5 14. a4 a6 15. Qb2) 12... Bd6 $146 ({Predecessor:} 12... g5 13. Bg3 Nh5 14. Bc2 Nxg3 15. fxg3 Bxc2 16. Qxc2 {0-1 (40) Pint,P (2150)-Varga,Z (2455) Zalakaros 1997}) 13. Bc2 Bxf4 14. exf4 Ne7 15. Re1 O-O 16. Ne5 b5 {[%cal Bb7b5,Bb5b4,Bb4c3][%mdl 32]} 17. Nf1 {[#]} b4 $1 {[%mdl 512]} 18. Bxf5 (18. cxb4 Qb6) 18... Nxf5 19. g4 Nd6 20. Qe3 Qa5 21. Qh3 (21. f3 $11 {remains equal.}) 21... Nfe4 {[%cal Rb4c3]} 22. f3 {[%cal Bf2f3,Bf3e4][%mdl 32]} bxc3 23. b4 $1 {[%cal Rb4a5]} Qb6 ({Much worse is} 23... Qxb4 $6 24. fxe4 Nxe4 25. Ng3 $14) (23... cxb3 $1 $15 24. axb3 Qb4 25. fxe4 Nxe4) 24. fxe4 $11 Qxd4+ 25. Qe3 Qxe3+ 26. Nxe3 d4 {[%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 27. Red1 d3 28. Rac1 Nxe4 {Hoping for ...Rfd8.} 29. N5xc4 (29. b5 $142) 29... Rfd8 $17 {White must now prevent ...c2.} 30. Ne5 d2 {[%mdl 1024] Black has strong compensation.} 31. Rc2 f6 $36 {[%mdl 2048] Black has strong initiative.} 32. Ng6 $2 (32. N5c4) 32... Kf7 $19 33. Nh4 Rd3 34. Nhg2 g5 35. f5 Re8 36. Kf1 (36. Rf1 $142) 36... exf5 37. gxf5 Rd4 (37... h5 $1 $19 38. Ke2 Rd7) 38. a3 (38. Rb1 $17 {might work better.}) 38... a5 $2 ({Black should try} 38... h5 $19 {...h4 is the strong threat.} 39. Rb1 h4) 39. b5 Ra4 40. Rb1 Rxa3 41. Nd1 a4 42. Rb4 $2 {[%mdl 8192]} ({Better is} 42. Nge3 $15) 42... Ra1 43. Nge3 {[#]} Nd6 $2 (43... Ng3+ $1 $19 {[%mdl 512]} 44. Kf2 {[#]} (44. hxg3 Rxe3) 44... Nxf5 $1 {[%mdl 576] Deflection} 45. Nxf5 Rxd1) 44. Rxc3 $15 {[#]} Nxf5 $1 {[%mdl 512]} 45. Ke2 (45. Nxf5 Rxd1+) 45... Nxe3 (45... Rxd1 $5 46. Kxd1 Nxe3+ 47. Rxe3 Rxe3 48. Kxd2 Re7 49. Rxa4 Rb7 $17) 46. Rxe3 {[#]} Rxd1 $1 {[%mdl 512]} 47. Rxe8 (47. Kxd1 Rxe3) 47... Re1+ 48. Kxd2 Rxe8 49. Rxa4 {[%mdl 4096] Endgame KR-KR} Rb8 50. Rb4 $1 Ke6 {Threatening ...Rb6.} 51. Ke3 Kd5 52. Rb1 f5 53. Rd1+ Ke5 54. Rb1 Rb6 55. Kf3 $1 h5 56. Re1+ $1 Kd5 57. h4 g4+ $1 58. Kf4 Rxb5 {And now ...Rb4+ would win.} 59. Kxf5 Kd4+ 60. Kf4 Rb3 (60... Kd3 $15) 61. Re4+ $11 {The position is equal.} Kd3 62. Re5 Rb4+ 63. Kg3 Rb1 64. Rxh5 Rg1+ 65. Kh2 Ra1 66. Rg5 Ke4 67. Rxg4+ Kf5 68. Rg3 Ra8 69. Kh3 Rh8 70. Rg7 Kf6 71. Rg5 Rh7 72. Ra5 Rg7 73. h5 Rg5 74. Ra6+ Kg7 75. Kh4 Rg1 76. Ra7+ Kh6 77. Rd7 Rg2 {Accuracy: White = 43%, Black = 57%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "5"]
[White "Hong, Andrew"]
[Black "Stearman, Josiah"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2368"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,101,25,16,14,90,18,27,14,56,56,77,18,32,17,63,59,60,52,64,54,84,16,51,52,102,95,93,59,65,0,84,69,77,58,82,86,73,66,68,69,114,109,224,205,274,170,202,207,210,204,206,219,210,192,260,252,252,248,278,260,260,265,327,317,610,606,592,600,613,597,613,585,592,589,592,604,597,602,597,588,564,566,564,559,1008,1008,1586,824,1957,1924]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O 6. h3 d5 7. exd5 Nxd5 8. Re1 {C24: Bishop's Opening: 2...Nf6} (8. a4 f6 9. Nbd2 Be6 10. Nb3 Be7 11. Re1 Kh8 12. Bd2 Bg8 13. d4 exd4 14. Nbxd4 Nxd4 15. Nxd4 Qd7 {½-½ (66) Carlsen,M (2832)-Karjakin,S (2781) Paris 2017}) 8... Kh8 (8... Be6 $11) 9. Nbd2 ({White should play} 9. Nxe5 $16 Nxe5 10. Rxe5) 9... f6 $11 10. Nb3 $146 {White has an edge.} ({Predecessor:} 10. c3 Nb6 11. Bb5 a6 12. Bxc6 bxc6 13. d4 exd4 14. Ne4 Be7 15. Nxd4 c5 {1-0 (48) Grachev,A (2277)-Makhmutov,R (2416) Ekaterinburg 2018}) 10... Be7 11. d4 {[%cal Rd4e5]} Nb6 12. Bf1 (12. Bd3 $16) 12... Bf5 13. c3 Qd5 14. dxe5 Qxd1 15. Rxd1 fxe5 16. Bb5 Bd6 17. Ne1 (17. Be3 $16) 17... Be4 18. Be3 Nd5 19. Bc5 {f3 is the strong threat.} Nce7 {[%cal Bc6e7,Be7f5,Bf5g3][%mdl 32]} 20. Bxd6 cxd6 21. c4 ({Better is} 21. Bd3 $14 Bxd3 22. Rxd3) 21... Nf4 (21... a6 $11) 22. f3 $16 Bg6 23. Rxd6 Nf5 24. Rd2 $1 a6 25. Bd7 Ng3 26. Nc2 e4 {next ...Nfe2+ is good for Black.} 27. Kh2 Nfe2 (27... Ngh5 $16 {was worth a try.}) 28. fxe4 $18 {And now Bg4 would win.} Bxe4 29. Ne3 {Hoping for Bg4.} h5 30. Re1 Rf2 31. Nd4 {[%cal Rd4e2]} Rd8 32. Ne6 ({Weaker is} 32. Rexe2 Nxe2 33. Ne6 (33. Nxe2 $2 Bf3 $17) 33... Rb8 $11) ({Resist} 32. Nxe2 $6 Rxe2 33. Rexe2 (33. Rdxe2 Nxe2 34. Rd1 Nc1 $16) 33... Nxe2 $16) 32... Rb8 33. Ng5 Bg6 (33... Bc6 $142 34. Red1 Rff8) 34. h4 Rd8 35. Ne6 Rb8 36. c5 Be8 37. Ng5 $1 Rd8 38. Red1 $1 Rf4 $2 (38... Rb8 39. Be6 Ba4) 39. Bh3 {White is clearly winning.} Rxd2 40. Rxd2 g6 41. Rd8 Rf1 {[%csl Gg3][%cal Rf1h1]} 42. Rxe8+ Kg7 {[%csl Gg3][%cal Rf1h1] [#]} 43. Re7+ $1 Kf8 {[%csl Gg3][%cal Rf1h1] [#]} 44. Rf7+ $1 Rxf7 45. Nxf7 Kxf7 {[%mdl 4096] Endgame KBN-KNN} 46. Bc8 Ne4 47. b4 Ke7 48. Bxb7 N2c3 49. Nd5+ Kd7 50. a3 Ne2 51. Nb6+ {[%mdl 64] Discovered Attack (Double check). Accuracy: White = 70%, Black = 42%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "5"]
[White "Marek, Matyas"]
[Black "Tsay, Vincent"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2361"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,44,18,13,61,55,86,24,78,78,83,63,59,60,130,120,182,166,141,58,68,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 b6 6. Nbd2 Bb7 7. e4 dxe4 8. dxe4 c5 {A05: Réti Opening: 1 Nf3 Nf6} (8... Nc6 9. a3 a5 10. e5 Nd7 11. Re1 Nc5 12. Qe2 O-O 13. h4 h6 14. Nf1 a4 15. N1h2 Qc8 16. Ng4 {1-0 (26) Nakamura,H (2785)-Bacrot,E (2708) Paris 2017}) 9. e5 Nd5 10. a3 (10. Qe2 $16) 10... O-O (10... b5 $11 {remains equal.}) 11. c4 $16 Nc7 12. Qc2 {Hoping for Ng5!} Nc6 13. Ne4 Na6 $146 (13... Qc8 $14) ({Predecessor:} 13... Ne8 14. Bf4 Qc8 15. Rad1 a6 16. Rd2 Ra7 17. Rfd1 {1-0 (30) Prada Lopez,M (2176)-Castejon Caballero,N Madrid 2003}) 14. Bg5 h6 (14... Qc7 $16 {was necessary.}) 15. Rad1 Qc7 16. Bf6 (16. Nf6+ $16 gxf6 17. exf6) 16... Rfd8 $1 $14 17. Neg5 (17. Bxe7 $14 Nxe7 18. Nd6) 17... hxg5 $11 {The position is equal.} 18. Nxg5 {[#] Threatening mate with Qh7+.} Bxf6 19. Qh7+ Kf8 20. exf6 gxf6 21. Nxe6+ fxe6 22. Qh8+ {[%mdl 64] [#] Double Attack} Kf7 {Accuracy: White = 58%, Black = 36%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "5"]
[White "Dordzhieva, Dinara"]
[Black "Williams, Justus"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2340"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,63,23,23,37,47,40,32,99,87,159,152,189,179,183,179,183,160,194,190,216,231,327,337,365,379,395,392,377,371,355,359,362,354,375,375,360,321,364,355,318,261,279,253,272,255,368,362,695,682,685,692,860,844,1301,1285]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O Bg4 6. Ne5 Bf5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} ({Don't blunder} 6... Nxd4 $2 7. Nxg4 Nxg4 8. e3 $18) (6... cxd4 7. Nxg4 Nxg4 8. c4 dxc4 9. Qa4 Nge5 10. f4 Nd7 11. Qxc4 Qb6 12. e4 e5 13. Bh3 Nf6 14. Nd2 Bd6 15. Qd3 O-O {½-½ (35) Gordievsky,D (2613)-Boros,D (2452) Rockville 2017}) 7. Nxc6 bxc6 8. dxc5 Qa5 (8... e6 $14) 9. c4 $16 {[%cal Rc4d5]} Qxc5 $146 (9... e6 $142) ({Predecessor:} 9... e6 10. cxd5 exd5 11. Bd2 Qxc5 12. Nc3 Qb6 13. Qa4 Rd8 14. Bg5 {1-0 (49) Issing,P (2197)-Kyas,P (2076) Germany 2013}) 10. cxd5 cxd5 11. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Rd8 {[#]} 12. Be3 $1 {[%cal Re3c5]} Qa5 {White should prevent ...d4.} 13. Qd4 Rd7 14. b4 Qd8 15. Rac1 a6 (15... e6 $142 16. Nb5 Bd6 17. Nxd6+ Rxd6 18. Qxa7 O-O) 16. Na4 $18 g6 17. Nc5 Bg7 18. Nxd7 Qxd7 19. Qb6 O-O 20. Qxa6 d4 21. Bf4 Nd5 22. Bd2 Nc3 23. Bxc3 dxc3 24. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Rb8 25. b6 Qe6 26. e4 Bg4 27. h3 Bxh3 (27... Rxb6 $142 28. Qa5 Be2) 28. Qa7 Rf8 $2 {[#]} (28... Qxb6 29. Qxb6 Rxb6 30. Bxh3 h5) 29. Bxh3 {White is clearly winning.} Qxh3 30. Qxe7 Qh5 31. b7 Be5 32. Kg2 {Accuracy: White = 98%, Black = 33%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "5"]
[White "Yip, Carissa"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2318"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,95,4,25,23,18,15,21,26,27,27,35,0,49,47,52,41,39,12,17,23,30,32,42,20,15,3,36,-26,-10,-49,3,6,6,0,0,-16,-17,-26,-10,-32,-14,-28,0,0,0,-7,0,0,0,0,72,72,114,121,121,121,121,121,121,0,0,0,125,125,7588,5322,5314,5314,5293,5293,2053,874,29975,29974]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. Nd5 Nf6 9. Bg5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 Rb8 13. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations} Bg5 14. Bg2 O-O 15. O-O {The position is equal.} (15. b3 a5 16. O-O Be6 17. h4 Bh6 18. Kh2 Ne7 19. Nxe7+ Qxe7 20. Bh3 Qc7 21. Qe2 Qc5 22. Rad1 a4 23. Kg2 Ra8 24. Rd3 axb3 25. axb3 {½-½ (145) Alekseenko,K (2563)-Dubov,D (2666) Sochi 2017}) 15... b3 16. axb3 Rxb3 17. Ra2 {[#]} a5 $146 ({Predecessor:} 17... Qd7 18. f4 Bd8 19. Qd2 Qa7+ 20. Kh1 Qc5 {½-½ (50) Van Kampen,R (2475)-Reinderman,D (2510) Hoogeveen 2007}) 18. Na3 Rb8 19. Nb5 Be6 20. Ra3 Nb4 21. h4 Bxd5 22. exd5 Be7 23. Qe2 Qb6 24. Qe3 Qa6 {next ...Nc2 is good for Black.} 25. Ra4 (25. Qa7 $14 Qxa7 26. Nxa7) 25... Bd8 26. Qd2 Rxb5 (26... Qb6 $15) 27. cxb5 $11 Qxb5 28. Ra3 Bb6 29. Rd1 f5 30. Bh3 e4 31. Bf1 Qd7 {[%mdl 1024] And now ...f4! would win. Black has compensation.} 32. Qf4 Qe7 33. Rc3 g6 34. Qg5 $36 {[%mdl 2048] White has good play.} Qa7 35. Qf4 Qd7 36. h5 Kg7 (36... Qe7 $11 37. hxg6 hxg6) 37. Rc6 $1 $16 {[%cal Rc6b6]} Nxc6 38. dxc6 Qxc6 {aiming for ...Bc5.} 39. Rxd6 Qc5 {[#]} 40. Rd7+ $1 Kf6 41. Qd6+ Kg5 $1 42. Qf4+ Kf6 43. Rxh7 g5 $2 {[%mdl 8192]} (43... Qxf2+ $16 44. Qxf2 Bxf2+ 45. Kxf2 gxh5) 44. Rh6+ $18 Kf7 {[#]} 45. Bc4+ $1 {[%mdl 512]} Ke7 (45... Qxc4 46. Qxf5+) 46. Qxg5+ Kd7 {[#]} 47. Qg7+ (47. Bb5+ $142 $1 {[%mdl 512]} Qxb5 48. Qg7+ {[%mdl 64] Double Attack} Kc8 49. Qxf8+ Kb7 50. Rh7+ Bc7 51. Qg7) 47... Kc8 {[#]} 48. Rxb6 $1 {[%mdl 512] Accuracy: White = 58%, Black = 32%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.18"]
[Round "5"]
[White "Arjun, Vishnuvardhan"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2247"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,57,29,40,20,32,6,12,18,32,16,16,12,9,12,24,25,30,29,29,24,37,16,18,0,15,20,54,34,46,44,47,31,31,32,49,40,33,39,51,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. O-O a6 6. Qc2 {A13: English Opening: 1...e6} (6. a4 Nc6 7. Qc2 Na5 8. Na3 Qd5 9. Rd1 Bd7 10. d4 Qf5 11. Bd2 Qxc2 12. Nxc2 Nb3 13. Ra2 Bc6 14. Ne5 Bd5 {½-½ (68) So,W (2810)-Ding,L (2777) Tbilisi 2017}) 6... Be7 7. Qxc4 b5 8. Qc2 Bb7 9. Nc3 {[%cal Bb1c3,Bc3d1,Bd1e3,Be3c4][%mdl 32]} Nbd7 10. a4 b4 {LiveBook: 3 Games} 11. Nd1 O-O 12. d3 c5 13. Ne3 Rc8 14. Nc4 Nb6 15. Nfe5 $146 ({Predecessor:} 15. Rd1 Nfd7 16. e4 Nb8 {0-1 (51) Okun,L (2370)-Savchenko,B (2583) Voronezh 2007}) 15... Bxg2 16. Kxg2 Qd5+ 17. e4 Qb7 18. Nxb6 Qxb6 19. Be3 Rfd8 20. Rfd1 Qb7 21. f3 Ne8 22. Rac1 Bf8 23. Qf2 {[%cal Re3c5] White is slightly better.} f6 24. Nc4 e5 25. Na5 Qd7 26. Qc2 Kh8 27. Qb3 Qc7 28. Nc4 Qf7 29. Na5 {Accuracy: White = 56%, Black = 53%.} (29. Qc2 $14) 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "6"]
[White "Hong, Andrew"]
[Black "Dordzhieva, Dinara"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2368"]
[BlackElo "2340"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,26,33,33,24,44,26,57,85,60,47,47,0,37,37,38,27,60,37,110,74,126,94,97,86,84,102,116,0,116,86,68,63,60,31,110,110,166,140,158,181,203,191,191,181,172,186,181,183,215,203,533,534,609,583,737,750,739,745,971,720,1974,1800,2545,2053]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h6 6. Qd2 {B06: Modern Defence} b5 7. h5 g5 8. f4 gxf4 9. Bxf4 {LiveBook: 5 Games} Bb7 10. O-O-O Nd7 11. Nf3 Ngf6 $146 ({Predecessor:} 11... b4 12. Nd5 a5 13. Bd3 Bxd5 14. exd5 {1-0 (28) Miladinovic,I (2609)-Polzin,R (2464) Kallithea 2003}) 12. e5 $1 {[%cal Re5f6]} b4 13. Ne2 Nd5 14. Bg3 N7b6 15. Nf4 Qd7 16. Bd3 Nxf4 17. Qxf4 Bd5 (17... Nd5 $14 18. Qe4 Rg8) 18. Rhe1 Be6 (18... O-O-O $142) 19. Be4 d5 20. Bd3 a5 21. Nh4 {[%cal Bf3h4,Bh4f5,Bf5e3][%mdl 32]} a4 22. b3 (22. Kb1 $16) 22... Qc6 (22... axb3 $11 {remains equal.} 23. axb3 Rg8) 23. Kd2 {[%cal Bc1d2,Bd2e2,Be2f2][%mdl 32]} Rg8 24. Ke2 Bf8 25. Nf5 Kd7 (25... Bxf5 $14 26. Bxf5 e6) 26. Kf2 axb3 (26... Bxf5 $16 27. Qxf5+ (27. Bxf5+ e6 $11) 27... e6) 27. axb3 $18 Ra2 28. Ne3 Rg5 29. Bh4 Rxh5 30. Ra1 Rxa1 31. Rxa1 Qc3 32. Rd1 Bg7 33. Be2 {[%mdl 64] [#] Trapped Piece} Bxe5 $2 (33... Rxh4 {is tougher.} 34. Qxh4 Ke8) 34. dxe5 {White is clearly winning.} Rxe5 35. Rd3 Qa1 36. Bg3 f6 37. Qxb4 Rg5 38. Bf4 Rg8 39. Qb5+ Kc8 40. Qc6 {[%mdl 64] Double Attack. Accuracy: White = 75%, Black = 27%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "6"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Arjun, Vishnuvardhan"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2355"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,-11,0,-21,-15,-26,0,-26,-17,-20,-20,-24,-23,-73,-68,-67,-69,-78,-82,-64,-60,-54,0,0,0,0,0,0,3,3,27,0,33,3,33,26,26,22,26,26,33,33,121,104,97,79,401,384,354,361,615,614,696,642,935,915,1372,1323,2382,2162,1345]} 1. c4 e5 2. Nc3 Bb4 3. e3 Bxc3 4. bxc3 d6 5. Ne2 (5. d4 Nf6 6. Ne2 Qe7 7. Ng3 h5 8. h4 e4 9. Be2 Nc6 10. c5 dxc5 11. Ba3 Bg4 12. Bxc5 {1-0 (77) Miladinovic,I (2556)-Indjic,A (2536) Cetinje 2013}) 5... Ne7 6. d4 {A21: English Opening: 1...e5 2 Nc3} c5 $146 ({Predecessor:} 6... O-O 7. g3 Nbc6 8. Bg2 b6 9. Ba3 Rb8 10. O-O f6 11. Rb1 Ba6 12. dxe5 Nxe5 {1-0 (80) Stepien,T (1605)-Dabrowska,K (1675) Chotowa 2009}) 7. Ng3 O-O 8. Be2 {The position is equal.} f5 9. O-O Nbc6 10. f4 e4 11. Nh1 b6 12. d5 Na5 13. Rf2 Qe8 14. a4 Bd7 15. h3 a6 ({Better is} 15... Bc8 $15) 16. Bf1 $11 Qf7 17. Rb2 Rfb8 18. Bd2 Qe8 19. Be1 Rb7 20. g4 Kh8 21. Ng3 Ng8 22. gxf5 Nf6 23. Rg2 Qc8 24. Kh2 h6 25. Qc2 Bxf5 (25... Qf8 $14) 26. Nxf5 $16 Qxf5 27. Bh4 b5 $2 {[%mdl 8192] [#]} (27... Rg8 $16 {is more resistant.}) 28. axb5 $18 axb5 29. Bxf6 ({Less strong is} 29. cxb5 Nxd5 30. Bf2 Raa7 $16) 29... gxf6 $2 (29... Qxf6 30. cxb5 Re7) 30. cxb5 {[%cal Bc4b5,Bb5b6][%mdl 32] White is clearly winning.} Qxd5 31. c4 Qf5 32. Qc3 Rba7 33. b6 Ra6 {[#]} 34. Rxa5 $1 {[%mdl 576] Promotion} Rxa5 {Accuracy: White = 73%, Black = 31%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "6"]
[White "Tsay, Vincent"]
[Black "Yip, Carissa"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2342"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,-1,27,21,29,22,69,78,68,68,83,75,82,22,17,16,33,9,25,13,43,20,8,-81,0,0,0,0,93,93,88,87,88,95,153,140,137,141,116,104,215,208,209,85,84,71,95,81,68,66,152,145,152,174,390,369,387,387,355,0,163,0,330,194,310,300,314,316,297,296,216,209,297,327,280,0,0,-300,-293,-340,-123,-141,-158,-83,0,-229,-71,-413,-385,-564,-554,-811,-712,-650,-383,-385,-385,-383,-383,-633,-25,-30,-8,-165,0,0,0,-150,0,0,0,0,0,0,0,0,0,0,0,0,0,0,352]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. Nc3 c6 9. Bf4 dxc4 10. e4 Re8 11. a4 b6 12. d5 exd5 13. exd5 Bb7 14. a5 bxa5 15. d6 Bf8 16. Nd2 Nd5 17. Nxd5 cxd5 18. Nxc4 dxc4 19. Bxb7 {½-½ (42) Nakamura,H (2777)-Karjakin,S (2773) Saint Louis 2018}) 6. Bg2 {E01: Catalan: Early deviations} c6 7. O-O dxc4 8. Ne5 $146 {White is slightly better.} ({Predecessor:} 8. a4 O-O 9. Qc2 b5 10. axb5 cxb5 11. Ng5 h6 12. Bxa8 hxg5 13. Bxg5 a6 14. Bg2 {½-½ (48) Tharushi,T (1582)-Wijesuriya,G (1603) Colombo 2017}) 8... Bxe5 9. dxe5 Nd5 10. e4 Ne7 11. Bb4 (11. Qc2 $16) 11... Qxd1 12. Rxd1 Nd7 13. Bd6 {[%mdl 1024] White has compensation.} b5 14. a4 $36 {[%mdl 2048] Threatens to win with axb5. White has some pressure.} Bb7 15. Na3 {[%cal Bb1a3,Ba3c2,Bc2e3][%mdl 32]} a6 16. Rd2 (16. f4 $11) 16... Nc8 (16... g5 $1 $17) 17. Bc7 $11 c5 $1 18. Nc2 Ncb6 (18... h5 $11) 19. Rad1 $1 $16 Rc8 20. a5 $1 {[%cal Ra5b6]} Na8 21. Bd6 (21. Rxd7 Nxc7 22. Ne3 Ba8 $11) 21... Bc6 ({Black should try} 21... h5) 22. Ne3 $1 Nc7 23. f4 h5 24. h3 f6 (24... Bb7 $16) 25. exf6 gxf6 26. e5 (26. Bxc7 $18 Rxc7 27. Rd6) 26... Bxg2 27. Kxg2 {exf6 is the strong threat.} fxe5 28. fxe5 Rh7 29. g4 Rg7 (29... hxg4 $14 30. hxg4 Kd8) 30. Kg3 hxg4 31. hxg4 Nb8 $2 (31... Nf8 {is a better defense.} 32. Rh1 (32. Bxc5 Nh7 $16) 32... Ng6) 32. Rh2 $18 Kf7 33. Rf1+ Ke8 34. Rd1 (34. Bxc5 Kd7 $18) (34. Rf8+ $142 Kd7 35. Rd2 (35. Bxc5 Ne8 $14)) 34... Kf7 $1 35. Rf1+ $2 (35. Rh6) 35... Ke8 $1 36. Rf8+ (36. Bxc5 Kd7 $18) 36... Kd7 37. Rxc8 (37. Bxc5 Rxf8 38. Bxf8 Rf7 $14) 37... Kxc8 38. Rh8+ $1 ({Inferior is} 38. Bxc5 Nc6 $11) 38... Kb7 39. Kh4 ({Weaker is} 39. Bxc5 Nc6 $14) 39... Nc6 40. g5 Nd5 (40... c3 $142 41. bxc3 b4) 41. Nxd5 exd5 {[%mdl 4096] Endgame KRB-KRN} 42. Kh5 $2 ({White has to play} 42. Rf8 $1 $18) 42... d4 $11 {[%cal Bd5d4,Bd4d3][%mdl 32] aiming for ...d3.} 43. e6 $2 {[%mdl 8192]} (43. g6 $11 d3 44. Rh7 Rxh7+ 45. gxh7) 43... d3 $1 $19 {[%cal Rd3d2]} 44. Bf4 Nd4 $2 (44... Nxa5 $2 45. g6 $18) (44... b4 $1 $19 {Strongly threatening ...c3.} 45. Bd2 Re7) 45. Re8 $17 Kc6 46. g6 {Black must now prevent Kh6.} b4 (46... Kd5 $1 $17 47. e7 Ke6) 47. Bd2 $2 (47. e7 $1 $11 {and White stays safe.} Kd7 {[%mdl 64] Double Attack} 48. Rc8 $1 {[%mdl 512]} Rxe7 49. Rxc5) 47... Kd5 $2 (47... Kd6 $19 {has better winning chances.} 48. Bf4+ Kd5) 48. e7 $2 {[%mdl 8192]} (48. Kg5 $17 {nothing else works.}) 48... Ke6 $19 49. Rc8 (49. Ra8 $142 Rxe7 50. Rxa6+ Ke5 51. Kh6) 49... Rxe7 50. Rxc5 Nb3 {[%mdl 64] Double Attack} 51. Rxc4 Nxd2 {KRN-KR} 52. Rd4 Nf3 53. Rxd3 Ne5 54. Rd4 $2 (54. Rd8 Rg7 55. Ra8 Rxg6 56. Rxa6+ Kf5 57. Rxg6 Nxg6 58. a6 Nf4+ 59. Kh4) 54... Rb7 $2 (54... Kf5 $19 55. Rd6 Nxg6 $1 {[%mdl 512]} 56. Rd5+ Re5) 55. Kh6 $11 {And now g7 would win.} Nc6 56. Re4+ $2 {[#]} (56. Rf4 $11) 56... Kf6 $2 (56... Kd5 $1 $19 {[%cal Rd5e4]} 57. Rg4 Nd4 58. Rg5+ Kd6) 57. Rf4+ Ke6 (57... Ke5 $11 58. Rf7 Ne7) 58. Re4+ $17 {[#]} Kf5 ({Black should play} 58... Kd5 $1 $17 {[%cal Rd5e4]} 59. Re1 Nd4) 59. Re8 $11 {The position is equal.} Ne5 {( -> ...Ng4+)} 60. Rf8+ Ke6 61. g7 Ng4+ 62. Kg6 Ne5+ 63. Kh6 Ng4+ 64. Kg6 Ne5+ 65. Kh7 {Threatening Ra8.} Ng4 $2 {[%mdl 40960] Accuracy: White = 48%, Black = 37%. . An unexpected result.} (65... Nc6 $11) 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "6"]
[White "Williams, Justus"]
[Black "Marek, Matyas"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2335"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,110,16,-7,20,19,16,7,43,32,35,27,45,43,29,39,70,13,13,13,14,0,0,0,0,0,0,-4,-8,-17,0,0,0,-16,-25,-25,-32,-31,-27,-77,-75,-104,-51,-59,-26,-40,-12,-19,-27,-22,-19,-25,-25,-180,-166,-168,-179,-29990,-426,-418,-418,-615,-368,-368,-363,-337,-360,-412,-404,-557,-554,-554,-562,-522,-258,-258,-225,-215,-225,-1040,-802,-719,-261,-555,-555,-555,-554,-547,-547,-539,-537,-496,-496,-455,-455]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. a3 a5 7. O-O Nge7 8. Ne1 d6 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} 9. Nc2 O-O (9... Be6 10. Ne3 O-O 11. d3 Rb8 12. Ned5 Bd7 13. Rb1 Nxd5 14. cxd5 Ne7 15. b4 cxb4 16. axb4 {½-½ (45) Le,Q (2715)-Lenic,L (2656) chess.com INT 2018}) 10. Ne3 {LiveBook: 27 Games} Bd7 {The position is equal.} 11. Rb1 Rb8 12. d3 Nd4 $146 ({Predecessor:} 12... f5 13. f4 Kh8 14. Kh1 Na7 15. a4 Nac6 16. Bd2 {½-½ (26) Commercon,S (2257)-Carow,J (2429) Neustadt an der Weinstrasse 2018}) 13. b4 axb4 14. axb4 cxb4 15. Rxb4 b5 16. Nxb5 d5 17. Nc2 (17. Ba3 $14) 17... Nxb5 $11 18. cxb5 Rxb5 19. Ba3 Rxb4 20. Nxb4 Qa5 21. Nc2 Re8 22. Bb4 Qb5 23. Qa1 Nc6 $36 {[%mdl 2048] Black has the initiative.} 24. Bd6 e4 25. Qa2 exd3 26. exd3 Be6 27. Ne3 Rd8 28. Qa3 Nd4 29. Kh1 Qc6 (29... h5 $17 30. Be7 Re8) 30. Be7 $15 Ra8 31. Qb4 Qd7 {White must now prevent ...Nc6.} 32. Bc5 Nc6 33. Qb5 Rb8 34. Qa4 Ne5 35. Qa3 $2 (35. Qa1 $11) 35... d4 $19 36. Nc2 Bd5 {( -> ...Qh3)} 37. Bd6 $2 {[#]} (37. Ne1 $19) 37... Bxg2+ (37... Qh3 $142 $1 {[%mdl 512]} 38. f3 Bxf3 $1 {[%mdl 576] Pin} 39. Ne1 Bxg2+ 40. Kg1 Ng4 41. Nf3 Bxf1 42. Qa2 Bxd3 $1 {[%mdl 512]} 43. Qxf7+ {[%mdl 64] Decoy} Kxf7 44. Ng5+ Kg8 45. Nxh3 Rb1+ 46. Kg2 Be4#) 38. Kxg2 Qc6+ {[%mdl 64] Double Attack} 39. Kh3 (39. f3 $142 Qxc2+ {[%mdl 64] Double Attack} 40. Rf2) 39... Qxc2 40. Bxb8 Qc8+ {[%mdl 64] Double Attack} 41. Kg2 {Hoping for Bxe5.} Qxb8 42. Qa6 h5 43. Ra1 Qb3 44. Qa8+ Kh7 45. Ra3 Qd1 (45... Qc2 $142 46. Ra2 Qxd3) 46. Qe4 Qd2 {And now ...Ng4 would win.} 47. Qxd4 {[#]} Nf3 $1 {[%cal Rf3e1][%mdl 512]} 48. Qe4 $2 {[#]} (48. Qe3 Ne1+ 49. Kf1) (48. Kxf3 Bxd4) 48... Ne1+ $1 49. Kf1 Qc1 $2 (49... Nc2 50. Ra2 Qd1+ 51. Kg2 f5) 50. Ra5 $2 (50. Ra2 {was necessary.} Nxd3+ {[%mdl 64] Discovered Attack} 51. Kg2) 50... Nxd3+ {Black is clearly winning.} 51. Kg2 Ne1+ 52. Kf1 Nf3+ 53. Kg2 {[#]} Qg1+ $1 54. Kxf3 {aiming for Rxh5+.} Qh1+ 55. Kf4 Qc1+ {Accuracy: White = 29%, Black = 61%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "6"]
[White "Stearman, Josiah"]
[Black "Wang, Justin"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2309"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,82,-15,-3,-20,-6,-8,11,-2,0,-28,-17,-43,-9,-29,14,-21,-22,-34,0,-33,-25,-29,0,0,0,-21,0,0,0,0,0,-9,0,0,0,0,16,0,0,0,0,0,0,-15,-15,-15,-15,-15,-15,-15,-15,-81,-15,-81,-81,-81,-81,-81,-81,-81,-81,-81,-81,-81,-81,-81,-85,-85,0]} 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nd2 e6 5. c3 Bd6 6. Bg3 {D00: 1 d4 d5: Unusual lines} O-O 7. Ngf3 Qc7 8. Ne5 (8. Bd3 Nbd7 9. O-O e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Qc2 Bxg3 13. hxg3 b6 14. e4 Bb7 15. exd5 Bxd5 16. Rfe1 Rfe8 17. Ne4 Bxe4 18. Bxe4 Nxe4 19. Rxe4 Qc6 20. Rae1 {½-½ (20) Korobov,A (2685)-Romanov,E (2611) Biograd 2018}) 8... Nc6 {LiveBook: 18 Games} 9. Ndf3 Ne4 10. Bd3 f5 11. Nxc6 {And now Bxd6 would win.} Nxg3 12. Ne7+ Qxe7 13. hxg3 g6 $146 (13... c4 $5 {[%cal Rc4d3]} 14. Bc2 Bd7 $15) ({Predecessor:} 13... c4 14. Bc2 Bd7 15. Ne5 Bxe5 16. dxe5 h6 17. Qd4 b5 18. g4 fxg4 19. Qxg4 Be8 20. Rxh6 {1-0 (20) Gosling,B (1966)-Fox,C Penarth 2011}) 14. Qd2 Qg7 15. Ng5 {Hoping for dxc5.} h6 16. Nf3 Bd7 17. Ne5 Bxe5 18. dxe5 Qxe5 19. Rxh6 Kg7 20. f4 Qd6 (20... Qf6 {looks sharper.} 21. Rh1 e5 22. Kf2 Bc6 23. Rh3 Rh8) 21. Rh4 Bc6 22. O-O-O Rh8 23. Be2 Qe7 24. Rdh1 Qf6 25. Bf3 b5 26. Kb1 a5 27. Rxh8 Rxh8 28. Rxh8 Kxh8 29. b4 axb4 30. cxb4 c4 31. Qd4 Qxd4 32. exd4 $11 {[%mdl 4096] Endgame KB-KB} Kg7 33. Kc2 {[#]} (33. g4 $1 $11) 33... Kf6 (33... g5 $1 $17 {[%mdl 512]}) 34. Kd2 (34. g4 $11 {keeps the balance.}) 34... g5 $17 {Black is better.} 35. Bd1 Be8 36. Kc3 Bd7 37. Be2 Kg7 38. Bd1 Kg6 39. Be2 Kf6 40. Bd1 Be8 41. Be2 Bd7 {Precision: White = 50%, Black = 44%.} ({Better is} 41... Bc6 $17) 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "7"]
[White "Wang, Justin"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2409"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,105,27,26,18,19,19,13,0,7,9,4,0,16,0,12,7,45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-39,-18,-41,0,-34,-33,-58,-58,-154,-146,-129,-100,-106,-99,-108,-101,-107,-101,-108,-102,-120,-118,-110,-101,-55,-54,-48,-41,-16,-1,-1,-1,-2,-2,-6,-6,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5,Bb5c3,Bc3d5][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N5c3 {B32: Sicilian: Löwenthal and Kalashnikov Variations} Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 8. Bd3 O-O 9. O-O Nd7 10. Nd5 Bg5 {LiveBook: 4 Games} 11. Be3 $146 ({Predecessor:} 11. Nbc3 Bxc1 12. Rxc1 Nb6 13. Ne3 Be6 14. Qd2 Qg5 {½-½ (41) Gharamian,T (2614)-Cornette,M (2593) Nimes 2018}) 11... Nc5 12. Nbc3 Bxe3 13. fxe3 Ne7 14. Nxe7+ Qxe7 15. Be2 Qg5 16. Qd2 Qg6 (16... a5 {is more complex.} 17. Rf3 Ra6 18. b3 Qh4 19. Rf2 Rd8) 17. Bf3 Rd8 18. Qe2 Be6 19. Rac1 Rac8 20. Rfd1 Rc6 21. Rd2 Nd7 22. b3 Nf6 23. Rcd1 a6 24. Rd3 Qg5 25. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 26. a5 h4 27. Na4 Qg6 28. Nc3 h3 29. g3 b6 30. R1d2 (30. axb6 $15 Rxb6 31. Na4) 30... bxa5 $17 31. Qd1 {[%cal Rd3d6] [#]} a4 $1 {[%mdl 512]} 32. Nxa4 {[%cal Rd3d6]} (32. bxa4 Rxc4) 32... Nxe4 33. Bxe4 Qxe4 34. Nc3 Qg4 35. Qxg4 Bxg4 36. Ne4 {[%cal Rd3d6]} Rb8 {And now ...Bf5 would win.} 37. Nxd6 Rcb6 38. Rb2 {[#]} e4 $1 {[%mdl 512]} 39. Nxe4 Bf5 40. Rd4 Bxe4 {The position is equal.} 41. Rxe4 Rxb3 42. Re8+ Rxe8 43. Rxb3 $11 {[%mdl 4096] Endgame KR-KR} Rd8 44. Rb2 f5 45. Kf2 Rd1 46. Ra2 Kf7 47. Rxa6 Rd2+ 48. Kf3 Rxh2 {Threatens to win with ...Rh1.} 49. g4 fxg4+ 50. Kxg4 Re2 51. Kxh3 Rxe3+ 52. Kg2 $1 Rc3 53. Rc6 {Accuracy: White = 69%, Black = 80%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "7"]
[White "Marek, Matyas"]
[Black "Hong, Andrew"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2361"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "174"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,173,0,0,-12,-12,-12,-12,-14,-14,-16,-14,-18,-17,-16,-13,-54,-8,-8,-4,-16,-6,-6,-8,-31,-35,-27,-26,-24,-25,-20,-12,-19,-19,-18,-18,-27,-12,-35,-29,-47,-43,-43,-45,-46,-32,-40,-29,-35,-22,-27,-19,-38,-31,-45,-17,-16,-15,-27,-30,-31,-35,-23,-22,-28,-16,-45,-10,-128,-126,-149,-136,-168,-36,-36,-37,-43,-43,-179,-149,-250,-249,-233,-222,-201,-227,-229,-222,-220,-221,-232,-252,-363,-389,-547,-456,-1427,-866,-1584,-1544,-12850,-29942,-6739,-12120,-29949,-29950,-29955,-29956,-12845,-9842,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29977,-29977,-29974,-29979,-29980,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29996,-29996,-29997,-29997,-29996,-29997,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. f3 O-O 10. Be3 Nc6 11. O-O e6 12. Nde2 {B52: Sicilian: Moscow Variation with 3...Bd7} (12. Rc1 Rfd8 13. Nxc6 bxc6 14. Rf2 d5 15. Rd2 Qe8 16. e5 Nd7 17. f4 Nb6 18. b3 dxc4 19. Ne4 Nd5 {0-1 (33) Giri,A (2798)-Anand,V (2784) Zuerich 2016}) 12... Rfd8 {LiveBook: 4 Games} 13. Qd2 d5 14. cxd5 {The position is equal.} exd5 {[#] aiming for ...d4.} 15. Rad1 {[%cal Re4d5]} dxe4 16. Qxd7 Rxd7 17. Rxd7 Nxd7 18. Nxe4 Re8 {White must now prevent ...f5.} 19. Rd1 $146 Nde5 20. Nd6 Re7 21. Kf2 Rd7 {Strongly threatening ...Nc4!} 22. Nc3 f5 23. Ndb5 Rxd1 24. Nxd1 Nc4 25. b3 Nxe3 26. Kxe3 $11 {[%mdl 4096] Endgame KBN-KNN} Be5 27. h3 Kf7 28. Nbc3 Ke6 29. Ne2 Kd5 30. Ndc3+ Kc5 31. Kd3 b5 32. Kd2 a6 33. Kd3 a5 34. Kd2 Kb4 35. Nb1 a4 36. bxa4 Kxa4 37. Nbc3+ Kb4 38. Nb1 Na5 39. Kd3 Nb7 40. f4 Nc5+ 41. Ke3 Bb2 42. g4 Ne6 43. gxf5 gxf5 44. h4 h5 45. Ng3 {[#]} (45. Nd2 $11 {was the only way to keep the balance.}) 45... Ng7 $1 $17 46. Ne2 Bf6 47. Nd4 Kc5 (47... Bxh4 $19 48. Nc2+ Kc4) 48. Nf3 $1 $15 Ne6 49. Nbd2 Kb4 {...Ka3 is the strong threat.} 50. Nb1 (50. Nf1 $1 $15) 50... Nc7 51. Ne1 (51. Ne5 $17) 51... Nd5+ $19 ({Resist} 51... Bxh4 52. Nd3+ Kc4 53. Na3+ Kd5 54. Nc2) 52. Kf3 Bxh4 53. Nd3+ Kc4 54. Ne5+ Kc5 55. Nd2 Nb4 56. Nb3+ Kd5 57. Nc1 (57. Nf7 {was the only chance.}) 57... Bf6 58. Nf7 (58. Ng6 {was necessary.}) 58... h4 59. Nh6 (59. Nb3 $142 Bg7 60. a3) 59... Ke6 60. Nb3 Bg7 61. Ng4 fxg4+ 62. Kxg4 Nxa2 63. Kxh4 Kf5 64. Kg3 Nc3 65. Kf3 Nd5 66. Ke2 Nxf4+ {Black mates.} 67. Kd2 Ke4 68. Kc2 Kd5 69. Nd2 Ne6 70. Kb3 Kc6 71. Nb1 Kc5 72. Na3 Nd4+ 73. Ka2 b4 74. Nb1 Bh6 75. Kb2 Kc4 76. Na3+ bxa3+ 77. Kxa3 Kb5 {[%cal Bc4b5,Bb5b4,Bb4a4,Ba4b3][%mdl 32]} 78. Kb2 Kb4 79. Ka2 Bc1 80. Kb1 Ba3 81. Ka2 Ka4 82. Kb1 Kb3 83. Ka1 Bc1 {[%cal Ba3c1,Bc1d2,Bd2c3][%mdl 32]} 84. Kb1 Bd2 85. Ka1 Nc2+ 86. Kb1 Na3+ 87. Ka1 Bc3# {Accuracy: White = 43%, Black = 71%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "7"]
[White "Dordzhieva, Dinara"]
[Black "Stearman, Josiah"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2340"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,155,18,25,39,25,25,14,42,37,32,-14,10,-41,-25,-39,-60,-67,-65,-56,-28,-25,0,-1,0,0,0,-120,-73,-173,-166,-154,0,0,0,0,0,0,0,0,33,57,60,50,40,0,96,0,8,0,0,-44,0,0,0,0,0,0,0,0,0,0,0,0,0,0,33,0,33,33,52,40,52,53,72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bf5 5. O-O e6 6. cxd5 exd5 7. d3 Be7 8. Qb3 {A11: English Opening: 1...c6} Qb6 9. Qc2 Na6 {[%cal Bb8a6,Ba6c7,Bc7e6,Be6d4,Bd4e2,Be2c3][%mdl 32]} 10. a3 O-O 11. Nc3 {LiveBook: 19 Games} Nc7 $146 ({Predecessor:} 11... h6 12. b4 c5 13. Na4 Qc6 14. bxc5 Nxc5 15. Nxc5 Qxc5 {1-0 (55) Movsesian,S (2653)-Wojtaszek,R (2727) Huaian 2016}) 12. e4 Bg6 13. Nh4 Rad8 14. Nxg6 hxg6 15. Bg5 Rfe8 16. Rfe1 (16. Rae1 $11) 16... Ne6 $15 17. Bxf6 Bxf6 18. exd5 Nd4 19. Qa4 $1 Qxb2 20. Ne4 $1 Ne2+ 21. Kf1 Nc3 ({But not} 21... cxd5 $6 22. Rab1 $16) 22. Nxf6+ gxf6 23. Qd4 (23. Qxa7 $11 cxd5 24. Bf3) 23... Qd2 24. Qxf6 (24. a4 $17) 24... Qxd3+ $19 ({Much less strong is} 24... Nxd5 25. Rxe8+ Rxe8 26. Qd4 $17) 25. Kg1 cxd5 $2 ({Black should play} 25... Ne2+ $17 26. Kh1 Rxd5) 26. Re7 $11 Rxe7 27. Qxe7 Rc8 28. Qxb7 Ne2+ 29. Kh1 Qc3 30. Rd1 Qc2 31. Re1 Qc3 32. Rd1 d4 {[#]} (32... Qc2 $11 33. Re1 Qc3) 33. Bd5 ({White should try} 33. Bf3 $1 $16 {[%cal Rf3e2]} Re8 34. Kg2) 33... Rc7 $1 $132 {[%cal Rc7b7][%mdl 2048] Black is fighting back} 34. Qa6 Qc2 35. Re1 Qf5 (35... Re7 $5 {[%cal Re2g3]} 36. Qf6 Qf5 37. Qxf5 Nxg3+ {[%mdl 64] Double Attack, Discovered Attack} 38. Kg2 Nxf5 39. Rxe7 Nxe7 $15) 36. Bxf7+ Rxf7 {[%cal Rf5f3] [#]} 37. Qxe2 {[%mdl 4096] Endgame KQR-KQR} d3 38. Qd2 Qxf2 39. Re8+ Kg7 {[%cal Rf2f1]} 40. Qxd3 Rc7 {( -> ...Rc1+)} 41. Qd1 $1 Qb2 42. Re1 Kh7 43. Qf3 a5 44. Qf4 Qc3 45. Qh4+ Kg7 46. Qe4 $1 Kh7 47. Qh4+ (47. Kg2 $16) 47... Kg7 {The position is equal.} 48. Re7+ Rxe7 49. Qxe7+ {KQ-KQ} Kh6 50. Qf8+ Kh7 51. Qf7+ Kh6 52. Qf4+ Kg7 53. a4 Qe1+ 54. Kg2 Qe2+ 55. Kh3 Qh5+ 56. Qh4 {Strongly threatening Qxh5.} Qf5+ 57. Qg4 Qf1+ 58. Kh4 {aiming for Qd7+.} Qf6+ 59. Qg5 Qd4+ 60. Qf4 Qc5 {[%csl Gg6][%cal Rc5h5]} 61. g4 (61. Qf3 {with more complications.} Qd4+ 62. Kh3 Qxa4 63. Qd5 Qb4 64. Qe5+) 61... Qe7+ 62. Kh3 Qa3+ 63. Kg2 Qa2+ 64. Kf3 Qa3+ 65. Kg2 Qa2+ 66. Kg3 Qa3+ 67. Kh4 Qe7+ 68. g5 Qe1+ 69. Kh3 {Qf6+ is the strong threat.} Qe6+ 70. Kg3 Qe1+ 71. Kh3 {Hoping for Qf6+.} Qe6+ 72. Kg2 Qe2+ 73. Kg3 {Threatens to win with Qf6+.} Qe1+ 74. Kf3 {And now Qf6+ would win.} Qf1+ 75. Ke3 Qc1+ 76. Ke4 Qc4+ 77. Kf3 Qf1+ 78. Ke4 {Accuracy: White = 48%, Black = 60%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "7"]
[White "Yip, Carissa"]
[Black "Williams, Justus"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2318"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,135,0,9,8,-2,0,-7,7,0,0,0,0,0,0,-1,-14,-66,0,0,0,0,0,-3,8,2,6,12,14,0,0,0,0,0,0,-41,-53,-82,-82,-201,-193,-193,-200,-192,-187,-174,-133,-232,-257,-247,-235,-245,-239,-266,-244,-374,-212,-222,-219,-200,-202,-202,-182,-278,-264,-337,-250,-229,-199,-333,-333,-327,-316,-451,-431,-530,-518,-406,-110,-110,-111,-80,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. d3 Nf6 6. e4 Be7 7. Nc3 {A08: King's Indian Attack} dxe4 (7... d4 8. Ne2 O-O 9. Ne1 b5 10. f4 c4 11. Nf3 Nd7 12. Bh3 Re8 13. Kh1 exf4 14. Nxf4 Bb7 15. Nd5 Nb6 16. Nxe7+ Qxe7 {½-½ (51) Danielsen,H (2500)-Nikolov,M (2532) Odense 2013}) 8. dxe4 {LiveBook: 3 Games} Qxd1 9. Rxd1 Bg4 10. Re1 Nd4 11. Nxd4 cxd4 12. Nd5 Nxd5 $146 ({Predecessor:} 12... Rc8 13. c3 dxc3 14. bxc3 Bc5 {1-0 (32) Munster,P-Vandevoort,C Huy 1992}) 13. exd5 f6 14. f4 Bb4 15. Rf1 (15. c3 $11 dxc3 16. fxe5) 15... d3 (15... O-O $15) 16. Be3 $11 dxc2 17. fxe5 fxe5 18. a3 Ba5 19. Be4 Bd1 20. Rc1 Rc8 21. d6 Bb6 22. Bxb6 axb6 23. Rf2 {[%cal Re4c2]} Kd7 $36 {[%mdl 2048] Black has good play.} 24. Rd2 {aiming for Bf5+.} g6 25. Bxb7 Rc4 $1 26. Kf2 (26. Ba6 $17 Rd4 27. Rxd4 exd4 28. Bd3) 26... Rd4 $1 $19 {[%cal Rd4d2]} 27. Ke3 Rxd2 ({Inferior is} 27... Rxd6 28. Be4 $11) 28. Kxd2 {[%mdl 4096] Endgame KRB-KRB} Rf8 ({And not} 28... Kxd6 29. Be4 $11) 29. Ke3 Rf1 $1 ({Stronger than} 29... Kxd6 30. Be4 $11) 30. h4 (30. a4 $17) 30... Re1+ 31. Kd2 Re2+ 32. Kd3 Kxd6 33. Bf3 Re1 34. Kd2 (34. Be4 {only move.}) 34... Rg1 (34... e4 $142 35. Bxd1 cxd1=Q+ 36. Rxd1 Rxd1+ 37. Kxd1 Kc5) 35. g4 Rg3 $1 {[%cal Rg3f3]} 36. Bxd1 cxd1=Q+ 37. Rxd1 Rxg4 {KR-KR} 38. Ke3+ (38. Rh1 $142) 38... Ke6 39. Rc1 Kf5 40. Rf1+ {[#]} Rf4 $1 {[%cal Rf4f1]} 41. Rh1 (41. Ke2 $142) 41... h5 42. b4 Rg4 43. Kf3 (43. Kd2 {is a better defense.}) 43... e4+ 44. Kf2 Kf4 45. Rh3 Ke5 $2 (45... b5 $19 46. a4 bxa4) 46. a4 $17 Kd5 47. a5 {[#]} bxa5 ({Black should play} 47... e3+ $1 $17 48. Rxe3 Rxh4 49. Rd3+ Kc6 50. b5+ Kxb5 51. axb6 Kc6) 48. bxa5 $11 {The position is equal.} Kc6 {White must now prevent ...Kb5.} 49. Rb3 Rxh4 50. Rb6+ Kc5 51. Rxg6 Kd4 52. Rd6+ Ke5 53. Rh6 Rh2+ 54. Kg3 Ra2 (54... Rh1 {feels hotter.} 55. Rh8 Kd4 56. Kf2 e3+ 57. Kf3 Rf1+) 55. Rxh5+ Kd4 56. Kf4 e3 {Hoping for ...Rf2+.} 57. Rh1 Rf2+ 58. Kg3 $1 Rf6 59. Ra1 e2 {( -> ...Rf1)} 60. Kg2 $1 Kc4 61. Ra4+ Kc3 62. Ra3+ Kd2 63. Ra2+ Ke3 64. Ra3+ Ke4 (64... Kd2 $5 65. Ra2+ $8 Ke3 66. Ra3+ Kd4 $11) 65. Ra4+ Kd5 (65... Ke3 $5 66. Ra3+ $8 Kd4 $11) 66. Ra1 Kc4 67. Ra4+ Kc3 68. Ra3+ {Accuracy: White = 66%, Black = 73%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.19"]
[Round "7"]
[White "Arjun, Vishnuvardhan"]
[Black "Tsay, Vincent"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2247"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,18,19,25,22,27,19,28,11,13,17,19,52,52,43,54,77,85,96,20,31,27,16,3,6,6,6,6,6,6,6,6,6,8,110,24,24,24,24,24,24,24,24,24,29,11,11,10]} 1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nc6 6. Bg2 {B40: Sicilian: 2...e6, Unusual lines} Nf6 7. O-O Be7 8. dxc5 Bxc5 9. Bg5 Be6 10. Nc3 O-O $1 {LiveBook: 17 Games} 11. Rb1 d4 12. Bxf6 Qxf6 13. Ne4 $1 {[%csl LRc5,LRf6][%mdl 64] [#] Double Attack} Qe7 $146 14. Nxc5 Qxc5 15. b4 Qb5 16. Nxd4 Nxd4 17. Qxd4 Bxa2 {Threatens to win with ...Rfd8.} 18. Ra1 Rfd8 19. Qe3 (19. Qh4 $1 $16 Bc4 20. Bxb7 $1 {[%mdl 512]} Bxf1 21. Bxa8 Rxa8 22. Rxf1) 19... Bc4 $11 20. Rfb1 a6 $1 21. Qc5 Qxc5 22. bxc5 Rac8 23. Ra5 Rc7 24. h4 ({Not} 24. Bxb7 $2 {[#]} Rxb7 $1 {[%mdl 512]} 25. Rxb7 Rd1+ 26. Kg2 Bd5+ 27. Kh3 Bxb7 $19) 24... Bb5 {[#]} 25. c4 $1 {[%mdl 512]} Bxc4 26. Rxb7 Rdc8 (26... Rxb7 $11 27. Bxb7 Rd1+ 28. Kg2 Rc1) 27. Rxc7 (27. c6 $1 $16) 27... Rxc7 28. Bf1 Bxf1 29. Kxf1 $16 {KR-KR} Kf8 30. Ke2 Ke7 31. Kd3 Kd7 32. Kc4 Rc6 33. f3 {Accuracy: White = 45%, Black = 60%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.20"]
[Round "8"]
[White "Hong, Andrew"]
[Black "Yip, Carissa"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2368"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,63,18,29,25,66,12,63,35,70,44,51,43,86,80,120,117,214,212,208,204,207,162,169,156,166,145,159,158,388,395,415,355,681,666,667,644]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} 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 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bb7 12. Bc2 Re8 13. Nf1 c5 14. Ng3 g6 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 15. d5 (15. Bg5 Qc7 16. d5 c4 17. Qd2 {1-0 (50) Halkias,S (2585)-Kayumov,S (2505) Doha 2016}) 15... c4 {LiveBook: 5 Games} 16. Bh6 Nc5 {White has an edge.} 17. Nh2 (17. b4 $14 cxb3 18. axb3) 17... Bc8 (17... a5 $11) 18. Qd2 $146 ({Predecessor:} 18. b4 cxb3 19. axb3 Kh8 20. b4 Ncd7 21. Qf3 Ng8 22. Ng4 Nb6 23. Bd3 Bxg4 {0-1 (23) Mazzoni,G-Caminade,C Dieppe 1967}) 18... Kh8 19. Rf1 a5 20. Be3 {[%cal Bh6e3,Be3d4,Bd4e5][%mdl 32]} Qc7 21. f4 exf4 22. Rxf4 {[#] Threatens to win with Bd4.} Ncd7 (22... Nfd7 $16 {was necessary.}) 23. Raf1 $18 Qd8 24. Bd4 {Ng4 is the strong threat.} Ne5 25. Nf3 Kg8 26. Nxe5 dxe5 27. Bxe5 Nd7 28. Bd4 $36 {[%mdl 2048] White is really pushing.} Bg5 $2 (28... f6 $16 {was called for.} 29. R4f2 Ne5) 29. Rxf7 {[#] White wants to mate with Rg7+.} Ne5 30. Qf2 Bd7 $2 (30... Bh6 31. Bd1 Re7) 31. Bxe5 Rxe5 32. Qd4 {Precision: White = 63%, Black = 31%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.20"]
[Round "8"]
[White "Tsay, Vincent"]
[Black "Wang, Justin"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2342"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,1,11,3,21,-22,-11,-12,-12,-26,-26,-42,-47,-60,-57,-56,-49,-53,-45,-51,-30,-80,-42,-75,-39,-99,-100,-130,-130,-130,-130,-130,-125,-121,-122,-119,-123,-174,-181,-398,-270,-474,-464,-719,-695,-674]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qb3 Ne4 {LiveBook: 11 Games. E11: Bogo-Indian} 9. Be3 $146 ({Predecessor:} 9. Bb4 Nd6 10. Nbd2 Nd7 11. Bxd6 Bxd6 12. e4 dxe4 13. Nxe4 Be7 14. Rfd1 Qc7 15. Rac1 Nf6 16. Nxf6+ Bxf6 {½-½ (30) Ni,H (2670)-Sarana,A (2577) chess.com INT 2018}) 9... Nd7 10. Nc3 Nd6 {[%cal Be4d6,Bd6c4,Bc4d2][%mdl 32] The position is equal.} 11. c5 Nc4 12. Bc1 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 13. e3 e4 $36 {[%mdl 2048] Black has the initiative.} 14. Nd2 Nxd2 $1 15. Bxd2 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 16. Qd1 h4 17. b4 Nf6 18. a4 Qc7 19. Qe2 Bf5 20. Rfc1 (20. f3 $15) 20... g6 $17 21. b5 Kg7 22. Be1 hxg3 $1 23. fxg3 Rh8 24. a5 {[#]} a6 $1 25. bxc6 bxc6 26. Rcb1 {[#]} (26. Rc2 $17) 26... Bh3 $1 $19 27. Bh1 $2 (27. Nd1 {keeps fighting.}) 27... Qc8 28. Ra2 $2 (28. Bd2 {was called for.}) 28... Ng4 29. Nd1 (29. Nxe4 $142 dxe4 30. Rab2) 29... Qf5 30. Nf2 {Accuracy: White = 35%, Black = 72%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.20"]
[Round "8"]
[White "Dordzhieva, Dinara"]
[Black "Marek, Matyas"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2340"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,35,17,4,39,25,24,28,57,16,14,8,13,5,10,12,19,0,0,0,12,14]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. Nbd2 Nc6 6. c3 Bd6 7. Bg3 O-O 8. Bd3 Qe7 9. Ne5 {LiveBook: 168 Games. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Re8 (9... Nd7 10. Nxd7 Qxd7 11. O-O b6 12. Bxd6 Qxd6 13. f4 f5 14. Nf3 c4 15. Bc2 b5 16. a3 a5 17. g4 Bd7 {½-½ (69) Grischuk,A (2781)-Hammer,J (2677) Stavanger 2015}) 10. O-O Nd7 {[%cal Rd6e5]} 11. f4 {White has an edge.} Nf8 12. Bb5 $146 ({Predecessor:} 12. Qh5 f6 13. Bh4 Rd8 14. Qg4 g6 15. Rf3 Qg7 16. Rg3 fxe5 17. fxe5 Be7 18. Rf1 Bxh4 19. Qxh4 {0-1 (42) Martynov,A (1960)-Kolbanov,V (2174) Sochi 2017}) 12... Bd7 {The position is equal.} 13. Nxd7 Qxd7 14. Bd3 a6 15. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} b5 16. b4 c4 17. Bc2 f5 18. a4 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.20"]
[Round "8"]
[White "Williams, Justus"]
[Black "Arjun, Vishnuvardhan"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2335"]
[BlackElo "2247"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,70,0,32,25,33,0,0,0,0,0,18,-27,-21,-53,-13,-71,-76,-75,-84,-77,-72,-86,-84,-137,-136,-193,-193,-184,-170,-336,-333,-297,-181,-152,-152,-177,-155,-138,0,-96,78,0,0,0,0,0,0,0,0,0,0,0,315,64,67]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. c4 e5 6. Nc3 Nge7 7. a3 a5 8. d3 d6 9. Rb1 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (9. Bd2 O-O 10. Rb1 Be6 11. Ng5 Bc8 12. Nb5 f5 13. Nf3 h6 14. b4 axb4 15. axb4 b6 16. Ne1 Be6 17. Nc2 Rb8 18. Nc3 {1-0 (51) Giri,A (2762)-Lupulescu,C (2620) Heraklio 2017}) 9... Be6 {LiveBook: 4 Games} 10. Ng5 Bc8 11. b4 $146 ({Predecessor:} 11. Nb5 f5 12. f4 h6 13. Nf3 O-O 14. b3 b6 15. Bb2 {1-0 (36) Shoker,S (2484)-Nafiri,K (2230) Cairo 2015}) 11... axb4 12. axb4 Nxb4 13. Nb5 f5 14. Bd2 (14. d4 $5 exd4 15. Nf3 $17) 14... Nbc6 15. Ra1 Ra6 16. Bc3 (16. Bd5 $11 Nxd5 17. cxd5) 16... h6 $17 17. Nf3 O-O 18. Qb3 Be6 19. Rfb1 d5 {[%cal Bd6d5,Bd5d4][%mdl 32]} 20. Na3 (20. Rxa6 $142 bxa6 21. Na3) 20... d4 21. Bd2 (21. Bb2 $17) 21... e4 $19 22. Ne1 {[#]} e3 $1 {[%cal Re3d2][%mdl 512]} 23. Bc1 $2 (23. fxe3 {is a better defense.} dxe3 {[%mdl 64] Discovered Attack} 24. Bxe3) 23... f4 24. gxf4 exf2+ 25. Kxf2 Nf5 {...Qh4+ is the strong threat.} 26. Nac2 {Hoping for Rxa6.} Rxa1 27. Rxa1 Ne5 ({Black should play} 27... Qe7 $17 28. Rb1 Bc8) 28. Kg1 (28. fxe5 $11 {keeps the balance.} Ne3+ 29. Nf3 Nxc2 30. Qxc2) 28... Qh4 $2 {[#]} (28... Ng4 $17 {Threatens to win with ...Qh4.} 29. h3 Ng3) 29. fxe5 (29. Qb6 $1 $16 {[%cal Rb6e6]} Nc6 30. Qxb7) 29... Ng3 $11 (29... Bxe5 $5 30. Nf3 $8 {[%mdl 64] Double Attack} Bxh2+ 31. Nxh2 Ng3 $11) 30. hxg3 Qxg3 {next ...Qf2+ is good for Black.} 31. Qxb7 Qf2+ {[%mdl 64] Double Attack} 32. Kh1 $1 Qh4+ 33. Kg1 {And now Nf3 would win.} Qf2+ {[%mdl 64] Double Attack} 34. Kh1 $1 Rf5 $2 {[%mdl 8192]} (34... Qh4+ $11 35. Kg1 Qf2+ {[%mdl 64] Double Attack}) 35. Ra8+ $2 ({Only move:} 35. Nf3 $18 Rh5+ 36. Nh2) 35... Kh7 {Accuracy: White = 43%, Black = 53%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.20"]
[Round "8"]
[White "Stearman, Josiah"]
[Black "Ynojosa Aponte, Felix Jose"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2309"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,134,40,27,27,20,31,32,21,-12,27,42,77,39,50,0,0,-49,0,0,0,0,38,0,0,0,0,0,0,0,0,0,185,187,177,121,259,287,278,272,280,275,340,328,298,241,241,241,218,186,272,264,269,93,89,81,74,54,167,161,178,164,170,162,158,179,162,149,138,0,172,0,0,0,212,211,224,143,118,120,125,113,357,8,8,17,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Qc2 {D35: Queen's Gambit Declined: Exchange Variation} h6 9. Bh4 Re8 10. Nge2 Be6 (10... Nbd7 11. g4 Nf8 12. h3 b5 13. Rg1 Ne6 14. f4 Bxf4 15. Bh7+ Kh8 16. exf4 Nxd4 17. Qd3 Nxe2 18. Nxe2 Qa5+ {0-1 (45) Mamedyarov,S (2809)-Kramnik,V (2800) Moscow 2018}) 11. h3 Nbd7 12. O-O {LiveBook: 4 Games} Rc8 13. Rab1 $146 ({Predecessor:} 13. a3 a5 14. Rad1 b5 15. e4 b4 {1-0 (65) Perelshteyn,E (2523)-Ynojosa Aponte,F (2423) Dallas 2017}) 13... b5 14. Rbc1 a6 15. e4 {[%cal Be3e4,Be4e5][%mdl 32]} g5 16. e5 Bb8 17. Bg3 Nh5 18. Bh2 c5 $1 19. Bf5 Ng7 20. Bxe6 $1 fxe6 21. Qg6 b4 22. Na4 {[%cal Ra4c5]} cxd4 23. Rxc8 Qxc8 24. Rc1 (24. Nxd4 Qc4 $17) 24... Qd8 $1 25. Nxd4 Nxe5 26. Qxh6 Nd3 $2 {[#]} (26... Nf7 $1 $11 27. Qg6 Bxh2+ 28. Kxh2 Ne5) 27. Bxb8 $1 $18 {[%mdl 512]} Qxb8 28. Rd1 $40 {[%mdl 128] White has strong attack.} (28. Rc2 $18) 28... e5 (28... Nxf2 $16 {might work better.} 29. Kxf2 Qa7) 29. Nf5 $1 {[%mdl 64] Decoy} ({Less strong is} 29. Rxd3 exd4 30. Rd1 Qb5 $16) 29... Nxf5 30. Qxg5+ Ng7 {White must now prevent ...Nf4.} 31. Rxd3 Qd6 32. Rg3 {[%csl Gg3][%cal Rg5g7]} Re7 33. b3 Rf7 34. Nb2 e4 35. Qd2 Rd7 (35... Qf4 $142 36. Qxf4 (36. Qxd5 Qxf2+ {[%mdl 64] Double Attack} 37. Kh2 Qxb2 $11) 36... Rxf4) 36. Qd4 Kh7 {And now ...Nf5 would win.} 37. Nc4 $2 (37. Rg5 $18) 37... Nf5 $16 38. Qe5 Qxe5 39. Nxe5 {[%mdl 4096] Endgame KRN-KRN} Rc7 ({Black should try} 39... Re7 $14 40. Ng6 Rf7) 40. Rg5 $1 $18 {[%cal Rg5f5]} Nd4 41. Ng4 $1 Ne2+ 42. Kh2 Nc3 43. Nf6+ {[%mdl 64] Double Attack} Kh6 {[#]} 44. h4 $1 ({Inferior is} 44. Nxd5 Rc5 $11) 44... d4 45. g4 (45. Re5 $16) 45... d3 $2 (45... Rf7 $11 46. Re5 d3 47. g5+ Kg7) 46. Ng8+ Kh7 47. Nf6+ Kh6 {[#]} 48. Rg8 $1 {[%csl Gg8,Gh4][%cal Rg4g5]} Rg7 49. Rd8 Kg6 50. Rd6 Nb5 51. Rxa6 Re7 $2 (51... Kf7 $16 {was necessary.} 52. Nxe4 Rxg4 53. Nd6+ Nxd6 54. Rxd6 Rxh4+ 55. Kg3 Rh8 56. Rxd3 Rg8+ 57. Kf4 Ra8) 52. Nxe4+ $2 ({White must play} 52. h5+ $18 Kf7 53. h6) 52... Kg7 $11 {The position is equal.} 53. Nd2 $1 {aiming for Rb6.} Re2 54. Rb6 {Strongly threatening Rb7+.} Nc3 $1 55. Nc4 Rxf2+ 56. Kh3 {Threatens to win with Rd6.} d2 57. Nxd2 (57. Rb7+ {looks sharper.} Kg6 58. h5+ Kg5 59. Rg7+ Kf4 60. Nxd2 Rxd2 61. h6) 57... Rxd2 58. Rxb4 {KRN-KR} Rd3+ 59. Kg2 {a4 is the strong threat.} Nxa2 60. Rb6 Nc3 61. g5 Ne4 62. b4 Rg3+ 63. Kh2 Rg4 64. Kh3 $1 {[%cal Rh3g4]} Rg3+ 65. Kh2 Rg4 66. Kh3 Nf2+ 67. Kh2 Ne4 {Accuracy: White = 47%, Black = 52%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.21"]
[Round "9"]
[White "Wang, Justin"]
[Black "Williams, Justus"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2409"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,65,35,28,83,60,87,73,83,72,80,54,66,69,68,60,108,108,111,112,121,95,81,67,87,81,102,107,155,166,143,25,19,0,0,0,0,0,10,0,32,-9,-7,-16,0,-6,4,-43]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 d6 9. O-O Nge7 {B42: Sicilian: Kan Variation: 5 Bd3} (9... e5 10. a4 Nf6 11. Bxa7 Rxa7 12. N1d2 O-O 13. Rfd1 Be6 14. Nc4 Ra8 15. a5 Qc7 16. Nb6 Rad8 17. Nd5 Bxd5 18. exd5 Ne7 19. c4 Nd7 20. Nd2 f5 {½-½ (37) Hou,Y (2658)-Vitiugov,N (2734) Belokurikha 2018}) 10. c4 O-O 11. Nc3 {LiveBook: 45 Games} Ng6 (11... e5 $11) 12. Rfd1 $146 ({Predecessor:} 12. Rad1 Qc7 13. Bxa7 Rxa7 14. Qe3 Qb8 15. f4 Re8 16. Qg3 Kh8 17. h4 {1-0 (29) Semenova,E (2152)-Abhishek,K (2274) Pardubice 2013}) 12... Qe7 13. Bxa7 Nxa7 14. Qe3 Bd7 15. Bf1 Rfd8 16. Qb6 Be8 17. Rd2 Rd7 18. Rad1 Nc8 19. Qe3 Rc7 20. f4 b5 21. cxb5 axb5 22. a3 Rb8 23. Nd4 {[%cal Rd4b5]} b4 24. axb4 Rxb4 {[#]} 25. Nf5 (25. Ncb5 $1 $16) 25... Qf8 $11 26. Nxd6 Nxd6 27. Rxd6 Rxb2 28. Ne2 Rc8 29. Qd4 Rbb8 30. Qf2 Ba4 {The position is equal.} 31. R1d2 Rb4 32. Ng3 Rb1 33. Qd4 {Accuracy: White = 48%, Black = 48%.} 1/2-1/2

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.21"]
[Round "9"]
[White "Marek, Matyas"]
[Black "Stearman, Josiah"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2361"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,94,23,89,20,21,14,79,0,0,0,0,0,0,0,0,0,0,0,72,0,0,0,0,-179,0,0,0,-189,-195,-200,-197,-211,-201,-408,-407,-406,-397,-483,-398,-389,-440,-392,-445,-436,-429,-387,-420,-410,-403,-387,-381,-345,-345,-303,-310,-526,-558,-526,-455,-2092,-1778,-29974,-29976,-29983,-29971,-29984,-29968]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Ne7 12. Nxf6+ gxf6 13. Bd3 Bb7 14. Qe2 {B33: Sicilian: Pelikan and Sveshnikov Variations} d5 15. Nc2 f5 {LiveBook: 8 Games} (15... dxe4 $11 16. Bxe4 Bxe4 17. Qxe4 Qd5 18. Qxd5 Nxd5) (15... dxe4 16. Bxe4 Bxe4 17. Qxe4 Qd5 18. Qxd5 Nxd5 19. g3 f5 20. O-O Ke7 21. f4 exf4 22. Rad1 Rhd8 {½-½ (32) Van der Hoeven,D (2653)-Cruzado Duenas,C (2569) ICCF email 2016}) 16. f3 (16. exf5 $16 e4 17. f6) 16... fxe4 17. fxe4 Ng6 (17... dxe4 $11 {remains equal.} 18. Bxe4 Bxe4 19. Qxe4 Qd5) 18. g3 (18. O-O-O $1 $16) 18... dxe4 $11 19. Bxe4 Nf4 $1 {[%cal Rf4e2]} 20. Qe3 ({Of course not} 20. gxf4 Qh4+ 21. Qf2 Qxf2+ 22. Kxf2 Bxe4 $17) 20... Bxe4 21. Qxe4 Nd3+ 22. Ke2 Nxb2 {White must now prevent ...0-0.} 23. Qc6+ $146 Ke7 {[#]} (23... Kf8 $1 $11 24. Qh6+ Kg8) 24. Rad1 $1 {[%mdl 512]} Nxd1 (24... Qc8 $5 25. Qd6+ $8 {[%mdl 64] Double Attack} Ke8 26. Qxe5+ Qe6 $11) 25. Rxd1 Qc8 26. Qd6+ Ke8 27. Rd5 f6 $1 28. Ne3 $2 {[#]} (28. Qxf6 $11 {and White is okay.} Qc4+ {[%mdl 64] Double Attack} 29. Rd3) 28... Rf8 $1 $19 29. g4 Rf7 30. g5 Qc7 {aiming for ...Qxd6.} 31. Nf5 $2 (31. Qe6+ {keeps fighting.} Kf8 32. gxf6) 31... Qc4+ {[%mdl 64] Double Attack} 32. Kf2 Qf4+ {[%mdl 64] Double Attack} 33. Kg2 {White wants to mate with Qc6+.} Qe4+ 34. Kg1 {Threatening mate with Qc6+.} Qxf5 (34... Qb1+ $2 35. Rd1 $17) 35. Qc6+ Kf8 36. Qxa8+ {[%mdl 4096] Endgame KQR-KQR} Kg7 37. gxf6+ Rxf6 {[%csl Gf6][%cal Rf5f1]} 38. Rd1 Rg6+ 39. Kh1 {[#]} e4 $1 {[%cal Rf5f3,Be5e4,Be4f3][%mdl 32]} 40. Qa7+ Kh6 {[%cal Rf5f3]} 41. Qe3+ Kh5 42. h3 $2 (42. a3 {was called for.}) 42... Qf3+ 43. Qxf3+ exf3 44. Rf1 (44. Rd7 $142 Rg2 45. Rf7) 44... Rg3 45. Kh2 Kh4 {Black mates.} 46. Rd1 Rg2+ {[%mdl 64] Double Attack} 47. Kh1 Kxh3 {Accuracy: White = 36%, Black = 70%.} 0-1

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.21"]
[Round "9"]
[White "Ynojosa Aponte, Felix Jose"]
[Black "Tsay, Vincent"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2355"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,28,3,24,0,65,59,57,64,51,56,70,55,70,54,88,-17,-6,-21,-12,-15,-12,-14,-15,-11,-8,-181,-177,-181,143,113,189,192,191,187,238,193,196,226,214,204,220,204,332,208,219,208,239,223,290,210,490,490,490,490,495,493,915,870,1227,1226,1230,1220,1208,1202,1187,1175,4782,1682,29996,29992,29994,29995,29996,29997,29997,29998,29998,29999]} 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 e5 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} 7. Be3 {LiveBook: 4 Games} Qa5 8. Nge2 {[%cal Bg1e2,Be2c3,Bc3b5,Bb5d6][%mdl 32]} Bg4 $146 ({Black should try} 8... exd4 $11 9. Bxd4 (9. Qxd4 Nf6 $11) 9... Nf6) ({Predecessor:} 8... Nf6 9. a3 Be7 10. dxe5 Qxe5 11. Ng3 Bc5 12. Qd3 Bxe3 13. Qxe3 Qxe3+ 14. fxe3 {1-0 (56) Korneev,O (2605)-Lecha Rosquilla,E (2250) Manresa 1995}) 9. f3 $14 Be6 $1 10. a3 Bxc3+ $1 11. Nxc3 {Black must now prevent d5.} Ne7 12. b4 Qb6 13. Bf2 Qc7 14. d5 (14. Bg3 $16) 14... cxd5 $11 15. Nb5 Qd7 {next ...a6 is good for Black.} 16. cxd5 Nxd5 {Hoping for ...a6.} 17. Bc5 {aiming for Nd6+.} b6 18. Nd6+ Kf8 19. Bb5 $2 (19. Bc4 $11 {and White has nothing to worry.} Nf4 20. g3) 19... Nc6 $19 20. Qa4 Nde7 $2 {[#]} (20... bxc5 $19 21. Bxc6 Qxd6 22. Bxa8 Ne3) 21. Bxb6 $1 $16 {[%mdl 576] Pin} Qxd6 (21... g6 $16) (21... axb6 22. Qxa8+) 22. Bc5 $18 Qc7 {Strongly threatening ...Nd4.} 23. Bxc6 $1 Rc8 (23... Rd8 {was worth a try.} 24. O-O f6) 24. Bb5 a5 25. O-O axb4 26. axb4 Kg8 27. Rfc1 h6 (27... Nd5 $142 28. Qa5 h6 29. Qxc7 Rxc7) 28. Ba6 Rb8 29. Bf1 Qb7 30. Qc2 {Threatens to win with Ra7.} Nc6 31. Bd6 Rc8 $2 (31... Nxb4 {might work better.} 32. Qd2 Nd5 33. Bxb8 (33. Bxe5 Qb6+ 34. Bd4 Qd6 $16) 33... Qxb8) 32. Ba6 {[%mdl 64] Skewer} Qb6+ 33. Qc5 Qxc5+ 34. Rxc5 ({Not} 34. Bxc5 Ra8 $18) 34... Nxb4 (34... Na7 $142 35. Bxc8 Nxc8) 35. Bxc8 Kh7 36. Bxe6 fxe6 37. Rc7 Nd5 38. Rb7 Kg6 39. Bxe5 Kf5 40. Re1 g6 41. g4+ {White mates.} Kg5 42. Kg2 h5 {[#]} 43. h4+ $1 {[%mdl 64] Decoy} Kxh4 44. Bg3+ {[%mdl 64] Discovered Attack} Kg5 45. Re5+ {Accuracy: White = 59%, Black = 33%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.21"]
[Round "9"]
[White "Yip, Carissa"]
[Black "Dordzhieva, Dinara"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2318"]
[BlackElo "2340"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,81,26,51,0,33,0,98,61,45,0,22,-10,0,-93,62,0,125,116,135,140,122,62,75,0,177,168,176,144,173,172,216,214,207,243,261,254,230,229,718,747,742,733,1126,970,1437,1267,2010,5489,1898,900,862,862,833,813]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. g4 h6 8. f3 b5 9. Qd2 Nbd7 10. a3 Bb7 11. O-O-O Rc8 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} 12. Rg1 (12. Kb1 d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15. Be2 Bc5 16. Rhg1 O-O 17. h4 Ne5 18. f4 Nc4 19. Bxc4 bxc4 {0-1 (45) Ponomariov,R (2712)-Wojtaszek,R (2730) Khanty-Mansiysk 2017}) 12... Nb6 13. h4 Nfd7 14. g5 hxg5 15. hxg5 g6 $1 {LiveBook: 3 Games} 16. Nb3 (16. Kb1 $14) 16... Ba8 $146 ({Predecessor:} 16... Qc7 17. Kb1 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 {½-½ (30) Khlopov,S (1678)-Elias,H (1760) LSS email 2010}) 17. Bd4 Rg8 (17... e5 $11 18. Be3 Nc4 19. Bxc4 bxc4) 18. Qh2 e5 19. Bf2 Be7 20. Qh7 Rf8 $1 21. Be3 (21. Rd3 $11) 21... Qc7 $2 (21... Rxc3 $1 $17 22. bxc3 Nc4 23. Bxc4 bxc4) 22. Rg2 (22. Qh2 $14) 22... Nc4 (22... Qd8 $11 {keeps the balance.}) 23. Bxc4 $1 $16 Qxc4 24. Kb1 Rb8 25. Ba7 (25. Nd5 $16) 25... Rc8 $14 26. Be3 ({White should play} 26. Bg1 $16) 26... Qc7 $2 (26... Rb8 $1 $11) 27. f4 $18 a5 28. f5 $36 {[%mdl 2048] Black is under strong pressure.} (28. Nxb5 Qb8 $14) 28... gxf5 29. Qxf5 {Hoping for g6.} a4 30. Nc1 b4 31. axb4 a3 32. N1a2 axb2 {[#]} 33. g6 $1 {Bh6 is the strong threat.} ({Don't play} 33. Kxb2 $6 Rb8 $16) 33... fxg6 $2 (33... Qc4 34. g7 (34. Kxb2 Rb8 $16) 34... Rg8) 34. Qxg6+ {White is clearly winning.} Kd8 35. Nb5 Qc6 36. Nxd6 Bxd6 37. Rxd6 {Threatens to win with Bb6+.} Qxe4 {[#]} 38. Bb6+ (38. Qe6 $142 $1 {[%mdl 512]} Qh7 39. Bb6+ Rc7 40. Rgd2) 38... Rc7 39. Qxe4 (39. Qg7 $142 Kc8 40. Bxc7) 39... Bxe4 40. Rgd2 Rf7 41. Nc3 {Accuracy: White = 40%, Black = 37%.} 1-0

[Event "Saint Louis Invitational-B 2018"]
[Site "Saint Louis"]
[Date "2018.11.21"]
[Round "9"]
[White "Arjun, Vishnuvardhan"]
[Black "Hong, Andrew"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2247"]
[BlackElo "2368"]
[Annotator "NA RC"]
[PlyCount "2"]
[EventDate "2018.11.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 1/2-1/2

