[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "1.1"]
[White "Vivekananthan, Anish"]
[Black "Ezra Paul Chambers"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2326"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,25,29,6,15,16,11,11,52,46,90,80,75,91,127,0,27,22,17,18,22,4,-2,-45,17,24,14,11,181,87,147,150,128,87,89,79,139,122,191,189,213,212,226,231,328,195,282,273,310,308,475,341,517,374,397,391,1094,1136]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Bf4 e5 6. Bxe5 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Nxe5 7. dxe5 {Hoping for e3.} d4 8. Ne4 {The position is equal.} Qb6 9. Nf3 Qxb2 10. Qxd4 Bb4+ 11. Kd1 Qa3 {[#] And now ...Be6 would win.} 12. Qd3 $146 ({White should try} 12. Rb1 $16 a5 13. e3) ({Predecessor:} 12. Rb1 a5 13. e3 Be6 14. Bb5+ Ke7 15. Qb6 Bd5 16. Nfd2 Nh6 17. Qc7+ Kf8 18. Ke2 Bxe4 19. Nxe4 Qxa2+ {0-1 (29) Rombaldoni,D (2479)-Dvirnyy,D (2536) Civitanova Marche 2015}) 12... Qa4+ (12... Qa5 {looks sharper.} 13. e3 Bd7 14. Nd4 Rd8 15. Rb1 Ne7) 13. Qb3 Qxb3+ 14. axb3 Be6 15. Nfd2 Nh6 16. h3 Ke7 (16... O-O-O $15 17. Kc1 Kb8) 17. e3 $1 $36 {[%mdl 2048] White fights for an advantage.} Rhd8 18. Bc4 b5 $2 {[#]} (18... Bf5 $11 19. Ke2 a6) 19. Bxb5 (19. Bxe6 $1 $18 {Black must now prevent Bg4.} fxe6 20. Ke2) 19... Bxb3+ ({Black should play} 19... Rab8) 20. Ke2 $16 Bd5 21. Rhg1 a5 22. g4 Rab8 (22... Rac8 $142) 23. Bd3 Bc6 (23... f6 $16) 24. Rgc1 $18 Rbc8 25. Ba6 Rc7 {[#]} 26. Nb3 $1 {Strongly threatening Nd4.} Rdd7 (26... Ra8 $142) 27. Nbc5 (27. Nec5 $142 Bxc5 28. Nxc5) 27... Rd5 (27... Bxe4 {keeps fighting.} 28. Nxe4 Ra7) 28. Nd3 Rdd7 29. Nec5 {[%cal Be4c5,Bc5b3,Bb3a5][%mdl 32]} Rd5 (29... Bxc5 $142 30. Nxc5 Rd8) 30. Nb3 Kd8 (30... Rdd7 {might work better.} 31. Nxa5 Bxa5) 31. Bc4 Rdd7 32. Nxa5 Be4 (32... Bxa5 33. Rxa5 Ra7) 33. Nxb4 {Weighted Error Value: White=0.27/Black=0.53} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "1.2"]
[White "Cervantes Landeiro, Thalia"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2258"]
[BlackElo "2180"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,73,35,27,42,36,53,58,96,73,96,50,33,14,101,77,84,84,103,109,113,114,110,99,210,203,186,189,186,176,452,183,170,150,198,115,229,212,278,227,237,170,181,136,157,92,93,97,1652,1651,1542,1542,2453,2215,29996,29997]} 1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 c5 6. Nge2 Nc6 7. d5 Ne5 8. Be3 O-O 9. Ng3 e6 10. Be2 exd5 11. cxd5 h5 {was the old line (11...a6). A65: Modern Benoni: 6 e4.} 12. O-O Rb8 13. a4 {[#]} b6 $146 {White is slightly better.} ({Predecessor:} 13... Ne8 14. Qd2 Kh7 15. f4 Ng4 16. Bxg4 Bxg4 17. e5 h4 18. Nge4 dxe5 19. Bxc5 Rh8 20. fxe5 {1-0 (35) Serralta,M (2103)-Rodrigo Yanguas,M (2079) Saint-Quentin 2019}) 14. h3 a6 15. f4 Ned7 16. e5 Qe8 17. Qd3 dxe5 18. f5 $1 e4 19. Ngxe4 Nxe4 20. Nxe4 {aiming for f6.} Ne5 {[#]} 21. Qd2 {f6 is the strong threat.} Nc4 22. Bxc4 $18 Qxe4 23. Rf4 Qe5 24. fxg6 f5 $2 (24... fxg6 25. Rxf8+ Kxf8) 25. Rh4 (25. Re1 $142 Qd6 26. Rf3) 25... b5 26. Ba2 ({Stronger than} 26. Bxc5 bxc4 27. Qg5 (27. Bxf8 Bxf8 28. Qf4 Qxf4 $17) 27... Qxd5 $15) 26... c4 27. Rxh5 (27. Re1 $18) 27... Bb7 (27... Re8 $16 {was necessary.} 28. Bc5 bxa4 29. Bxc4 Rxb2 30. d6+ Be6) 28. Bf4 Qd4+ {[#]} 29. Qxd4 $1 Bxd4+ 30. Kh1 Rbe8 31. axb5 axb5 32. Rd1 ({White should play} 32. Rh7 Bg7 33. Bh6 (33. Rd1 Rf6 $14) 33... Bxh6 34. Rxb7) 32... Bxb2 $16 33. Rb1 $36 {[%mdl 2048] White has strong initiative.} Re2 {[%mdl 8192] [#] A mistake that costs the game.} (33... Bd4 $16) 34. Rxb2 $1 $18 {[%mdl 512]} Re1+ (34... Re4 35. Bd2) 35. Kh2 Ba6 36. Bd2 {Threatening mate with Bc3.} Rd1 37. Bc3 {[%csl Gc3][%cal Rh5h8] Weighted Error Value: White=0.25/Black=0.77} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "1.3"]
[White "Griffith, Kyron"]
[Black "Colas, Joshua"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2346"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,33,31,22,6,264,263,283,276,414,240,648,665,658,656,746,737,744,467,456,436,29994,29995,29995,29996]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Be7 6. O-O O-O 7. Nc3 {C43: Petroff Defence: 3 d4.} f6 $2 {[%mdl 8192] [#]} (7... Nxc3 $11 {and Black has nothing to worry.} 8. bxc3 Nd7) 8. Nxd5 $1 $18 {[%mdl 512]} fxe5 {[#]} (8... Qxd5 $2 {[#]} 9. Bc4 $1 $18) (8... Nd6 9. Qh5) 9. Bxe4 $146 {White has a decisive advantage.} ({Predecessor:} 9. Nxe7+ Qxe7 10. Bxe4 Rd8 11. Qh5 g6 12. Qxe5 Qxe5 13. dxe5 c6 14. Be3 Be6 15. Rad1 {1-0 (28) Warakomska,A (2136)-Swiatnicka,M (1819) Lazy 2012}) 9... exd4 (9... Nc6 $142 10. dxe5 (10. Qh5 g6 $18) 10... Nxe5) 10. Bf4 (10. Nxe7+ Qxe7 11. Qxd4 Nc6 $16) (10. Qh5 $142 g6 11. Bxg6 hxg6 12. Qxg6+ Kh8 13. Qh5+ Kg8 14. Bh6) 10... Bd6 $2 {[#]} (10... Nc6 11. Bxc7 Qd7) 11. Qh5 $1 g6 12. Bxg6 hxg6 13. Qxg6+ Kh8 14. Bg5 Bxh2+ 15. Kxh2 {White threatens Rh1 and mate.} Qxd5 (15... Qd6+ $18 16. Qxd6 cxd6) 16. Rh1 Bh3 17. Kxh3 {[%cal Rh3g4] Black got outplayed after the opening.  Weighted Error Value: White=0.37/Black=1.45} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "1.4"]
[White "Wang, Tianqi"]
[Black "Matros, Alexander"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2256"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,-79,-78,-86,-64,-86,-77,-81,-60,-122,-94,-95,-60,-62,-61,-66,-61,-86,-84,-110,-38,-48,-42,-82,-74,-79,-34,-21,22,0,32,24,47,52,60,74,93,116,106,108,100,130,187,176,213,210,290,276,476,467,530,521,516,527,500,509,567,542,539,491,807,807,775,659,652,626,591,568,722,689,1278,1168,1352,1562,1565,1338,5174,5147,5631,5631,29971,29973,29971,29973]} 1. e4 d6 2. Nc3 e5 3. f4 exf4 4. Nf3 g5 {[#]} 5. Qe2 $146 ({Predecessor:} 5. d4 g4 6. Bxf4 gxf3 7. Qxf3 Nc6 8. Bb5 Qh4+ 9. Bg3 Qg4 10. Qf2 Bd7 11. O-O Bg7 {½-½ (39) Nightingale,D (2512)-Oreopoulos,K (2508) ICCF email 2017}) 5... Nc6 6. Qf2 {C30: King's Gambit Declined.} Bg7 7. Bb5 h6 8. h4 {Black is better.} Bd7 9. Bxc6 (9. d4 $15) 9... Bxc6 10. d3 Qf6 11. Bd2 Ne7 12. O-O-O b6 13. Rde1 O-O-O 14. Nd1 Ng6 (14... Qg6 $17 15. Bc3 f5 16. Bxg7 Qxg7) 15. Bc3 Ne5 16. Nd4 Bd7 17. Kb1 Qg6 (17... c5 $5 {[%cal Rc5d4]} 18. Nf3 Rdg8 $17) 18. g3 c5 {White must now prevent ...fxg3.} 19. Nf5 Bxf5 20. exf5 Qxf5 21. gxf4 gxf4 22. Qg2 f3 {White now steadily converts the win.} 23. Qxg7 {[%cal Rc3e5]} Rdg8 24. Bxe5 Rxg7 25. Bxg7 Rg8 (25... Rh7 $16 26. Bc3 d5) 26. Bxh6 $18 Rg2 27. Bc1 {aiming for Ne3.} f2 {[#]} 28. Ref1 {And now Ne3 would win.} ({Don't blunder} 28. Re8+ $2 Kd7 $17) 28... Qf3 (28... Qh5 {keeps fighting.} 29. Ne3 (29. Nxf2 Qe2 $16) (29. Rxf2 Rxf2 30. Nxf2 Qf3 $11) 29... Rg1) 29. Ne3 Rg3 30. Rh2 Rg1 31. Rhxf2 Rxf1 32. Rxf1 Qh3 33. Rf4 Qh1 34. Nf5 Kd7 (34... d5 $142 35. Ng7 c4 36. dxc4 dxc4) 35. Ng7 f6 36. Nh5 f5 37. Ng3 Qh3 38. Nxf5 d5 39. Ng7 a5 40. h5 Kc6 41. Rf6+ Kb5 42. Rf5 d4 43. h6 a4 44. Rh5 Qg2 {[#]} 45. h7 $1 Qxg7 46. h8=Q {Weighted Error Value: White=0.13/Black=0.31} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.14"]
[Round "1.5"]
[White "Martin Del Campo C., Roberto"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[WhiteElo "2296"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,15,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Qxe2+ 8. Bxe2 {[#]} {Predecessor:} Be7 $146 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 9. Nc3 Nc6 10. O-O-O O-O 11. h3 h6 12. Bd2 Be6 13. g4 Nd5 14. Rhg1 Nxc3 15. Bxc3 a5 16. a4 Nb4 17. Kb1 c5 {½-½ (81) Onischuk,V (2633)-Caruana,F (2835) chess.com INT 2020} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "2.1"]
[White "Vivekananthan, Anish"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2326"]
[BlackElo "2258"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,83,17,21,0,13,4,6,-104,0,0,0,8,191,194,191,202,205,208,213,211,188,154,169,116,181,173,221,150,181,150,176,176,173,160,174,158,212,145,224,215,293,295,300,298,306,273,327,321,371,371,422,376,395,379,393,387,418,414,423,437,476,500,491,477,581,587,842,743,6215,6331,6270,5780,1025,995]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. b3 {7.d4 is the modern continuation. A28: English Opening: Four Knights Variation.} d5 8. d4 {[%cal Rf3e5]} Ne4 {[#]} 9. Qc2 $146 {[#]} (9. Qb2 $1 $11) ({Predecessor:} 9. Qb2 Be6 10. Be2 Qb4+ 11. Nd2 exd4 12. exd4 Qc3 13. f3 Qxb2 14. Bxb2 Nxd2 15. Kxd2 {½-½ (52) So,W (2765)-Karjakin,S (2753) Kolkata 2018}) 9... Bf5 (9... exd4 $1 $17 {...Nb4 is the strong threat.} 10. cxd5 Nb4) 10. cxd5 $11 Nb4 {[%cal Rb4c2]} 11. Qb2 Nd6 $2 (11... Nf6 $11) 12. dxe5 $18 Nc2+ 13. Kd1 Nxa1 14. exd6 {[%mdl 64] Discovered Attack} (14. Qxa1 Ne4 $11) 14... Qxd6 15. Qxa1 O-O-O 16. Ke1 Qxd5 {[%csl Gd8][%cal Rd5d1]} 17. Be2 ({White should play} 17. Bb2 $18) 17... Be4 (17... Rhe8 $16) 18. Bb2 Rhg8 19. Bc3 g5 20. Rg1 g4 21. Ne5 Bxg2 {[#] intending ...Bf3.} 22. Nxf7 $1 {[%mdl 576] Deflection} Qxf7 23. Rxg2 Qd5 (23... Qf5 $16 {was necessary.} 24. Bf6 Rde8) 24. Rg1 Qh5 (24... Qf5 $16 {might work better.} 25. Kf1 h5) 25. Be5 Rde8 26. Bf4 Qa5+ 27. Kf1 h5 28. a4 Rgf8 29. Qc1 Rf7 30. Qc4 Rd7 31. Kg2 Qd5+ 32. Qxd5 Rxd5 33. Bc4 Rc5 34. h3 gxh3+ 35. Kxh3 {White is clearly winning.} a6 36. Rg5 Rxg5 37. Bxg5 Re5 38. Bf6 Rc5 39. Bd4 Rg5 40. Be6+ Kb8 41. f4 Rg1 42. f5 {Weighted Error Value: White=0.19/Black=0.43} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "2.2"]
[White "Matros, Alexander"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2405"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,31,20,18,21,-4,13,12,31,0,0,0,0,0,8,0,0,0]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. Bb5 Nge7 5. O-O a6 6. Bxc6 Nxc6 7. d4 cxd4 8. Nxd4 Qc7 9. Nxc6 dxc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 10. Qg4 e5 11. Qg3 f6 12. a4 {[#]} Bd6 $146 {The position is equal.} ({Predecessor:} 12... Bb4 13. Nd1 a5 14. Ne3 O-O 15. h4 Qf7 16. Rd1 Be6 17. Bd2 Bc5 18. Bc3 b6 {½-½ (74) Pridorozhni,A (2512)-Potkin,V (2647) Khanty-Mansiysk 2013}) 13. Be3 a5 14. f3 b6 15. Qf2 Rb8 16. Rfd1 {An uneventful encounter.  Weighted Error Value: White=0.08/Black=0.07} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "2.3"]
[White "Colas, Joshua"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2288"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,70,-25,-25,-92,-71,-79,-60,-137,-90,-98,-90,-89,-99,-95,-88,-104,-66,-107,-33,-208,-22,-127,-139,-274,-286,-310,-310,-308,-316,-791,-808,-1041,-989,-962,-950,-29975,-6567,-29975,-29976,-29976,-29977,-29966,-1454,-6299,-6014]} 1. c4 c5 2. Nf3 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e5 6. O-O d6 7. a3 a5 8. d3 Nge7 9. Rb1 O-O 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Nxd5 Bxd5 14. Bxd5 Qxd5 15. Ne3 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} (15. e4 $11 {keeps the balance.} Qd6 16. Ne3) 15... Qe6 $17 {[#]} 16. Re1 $146 ({Predecessor:} 16. Bd2 Nd4 17. Bc3 a4 18. Bxd4 exd4 19. Ng2 Bh6 20. Qc2 Rfc8 21. b3 axb3 {½-½ (21) Gyorkos,L (2308)-Leventic,I (2397) Hungary 2019}) 16... Rfd8 17. Qc2 (17. f3 $15) 17... Nd4 18. Qc4 Qc6 19. a4 e4 $36 {[%mdl 2048] Black is in control.} 20. dxe4 Qxe4 21. Bd2 h5 22. h4 Bh6 ({Better is} 22... b6 $17 23. b3 Re8) 23. b3 $2 (23. Rbc1 $1 $15) 23... Ra6 $2 (23... b5 $1 $19 {[%cal Rb5c4]} 24. Qc1 (24. axb5 $2 a4 $19) 24... Qe6) 24. Rbd1 {[#]} (24. Nf1 $1 $11 Bxd2 25. Nxd2) 24... Re6 $1 25. Bxa5 (25. Kh2 $17 {keeps fighting.}) 25... b6 $19 26. Bd2 {[#]} g5 $1 {[%cal Rg5h4]} ({Inferior is} 26... Bxe3 27. Bxe3 Red6 28. Bxd4 $14) 27. Ng2 Nxe2+ 28. Kh2 $2 (28. Kf1 Nxg3+ 29. fxg3 Qf3+ {[%mdl 64] Double Attack} 30. Kg1 Rxe1+ {[%mdl 64] Overworked Piece} 31. Rxe1 Rxd2 32. Qf1 Qxb3 33. Qf6 Qxg3 34. Re8+ Bf8 35. Qxg5+ Qxg5 36. hxg5) 28... Rd4 29. Qa6 Qf3 {White must now prevent ...gxh4.} 30. Qc8+ Kh7 {Hoping for ...gxh4.} 31. hxg5 {[#]} h4 $1 {[%cal Rh4g3]} 32. Qc7 (32. Rxe2 Rxe2) 32... hxg3+ 33. fxg3 Bg7 34. Bf4 Qh5+ 35. Nh4 {[#]} Rxf4 $1 {[%mdl 512] Weighted Error Value: White=1.13/Black=0.15} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "2.4"]
[White "Oberoi, Shelev"]
[Black "Griffith, Kyron"]
[Result "0-1"]
[ECO "D42"]
[WhiteElo "2180"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,94,29,0,0,0,0,0,0,0,0,0,8,6,3,0,0,0,0,-3,0,0,0,-10,177,169,193,186,174,68,185,172,173,177,190,-66,-63,-65,-61,-72,-80,-144,-128,-199,-129,-218,-145,-150,-152,-1186,-1186,-1171,-1145,-1216,-1205,-29972,-29973,-29966,-29969,-29989,-29990,-29990,-29991,-29992,-29989,-29989,-29990,-29990,-29989,-29992,-29993,-29993,-29994,-29994,-29995]} 1. e4 {Dautov,R} c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. O-O O-O 10. a3 Nf6 11. Bg5 h6 12. Bh4 Nh5 {D42: Queen's Gambit Declined: Semi-Tarrasch: 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3 .} (12... Nxd4 $2 13. Nxd4 Qb6 14. Nf3 $18) 13. Bxe7 Nxe7 14. Ne5 Nf6 {The position is equal.} 15. Ne4 {Threatening Nxf6+.} Nfd5 {[#]} 16. Ng3 $146 ({Predecessor:} 16. Bc2 Nf5 17. Ng3 Nh4 18. Qd3 g6 19. Qd2 Kg7 20. Ng4 Rh8 21. Ne3 {½-½ (66) Solak,D (2596)-Ponomariov,R (2700) Moscow 2005 CBM 106 [Dautov,R]}) 16... Nf4 17. Be4 Ned5 18. Ne2 Nxe2+ 19. Qxe2 b6 20. f4 a5 21. Qf3 Ba6 22. Rfc1 Nxf4 $2 23. Qxf4 $18 Qxd4+ 24. Kh1 f5 {[#]} 25. Rc7 $1 Qxe4 (25... g5 26. Bxf5 $1 {[%mdl 512]} Rxf5 27. Qxd4 Raf8 28. g4 R5f7 29. Nxf7 Bb7+ 30. Rxb7 Rxf7 31. Qd8+ Kg7 32. Rxf7+ Kxf7 33. Rf1+ Kg7 34. Qe7+ Kh8 35. Rf8#) (25... Rad8 $14 26. Re1 (26. Qg3 $2 Qd1+ {[%mdl 64] Double Attack} 27. Qe1 Qxe1+ 28. Rxe1 fxe4 $19) 26... fxe4) (25... Rad8 26. h4) 26. Qg3 {[%csl Gc7][%cal Rg3g7]} g5 {aiming for ...Rac8.} 27. Re1 {[%mdl 1024] White has strong compensation.} Qd4 28. Qh3 $2 (28. Nc6 $18 Qf6 29. Qd6) 28... Qd2 $15 {[%cal Rd2e1]} 29. Nf3 Qd6 30. Rcc1 {[#]} Rf6 31. Ne5 (31. Rcd1 $142 Qc7 32. Ne5) 31... Bb7 $17 32. Qg3 (32. Rcd1 $17 {was necessary.} Bd5 33. Qc3) 32... f4 ({Better is} 32... Rd8 $19 33. Qb3 Qd2) 33. Qh3 (33. Qf2 $17) 33... f3 34. gxf3 Raf8 $40 {[%cal Rf6f3][%mdl 128] Hoping for ...Rxf3. Black has strong attack.} 35. Qg3 (35. Qh5 $17) 35... Rxf3 $19 36. Nxf3 Rxf3 {[%cal Rf3f1]} ({Not} 36... Bxf3+ 37. Kg1 $11) 37. Qg2 Rf7 38. Re4 Qd3 {[%mdl 64] Pin. Black mates.} 39. Rce1 {[#]} Rf4 $1 {[%mdl 576] Pin} 40. Kg1 (40. Rxf4 Bxg2+) 40... Bxe4 41. Qg3 Qd4+ {[%mdl 64] Double Attack} 42. Re3 Rg4 {[%mdl 64] Deflection} 43. Qxg4 Qxe3+ 44. Kf1 Bf5 45. h3 Bxg4 46. hxg4 h5 47. gxh5 g4 {Weighted Error Value: White=0.76/Black=0.17} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "2.5"]
[White "Ezra Paul Chambers"]
[Black "Andrianov, Nikolai"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2217"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,123,51,58,30,45,33,62,52,74,71,79,76,125,130,172,178,174,177,187,166,174,131,134,134,145,132,141,143,142,139,189,99,102,88,120,127,136,45,41,33,39,38,41,39,35,54,105,104,96,85,85,85,85,78,77,79,283,120,541,518,586,573,689,670,1134,1263,737,490,619,442,1565,1000,883,822,1565,1565,6249,6297,6115,6098,6105,6091,5838,5720,29959,29962,29969,29971,29967,29970,29971,29972,29980,29981,29981,29976,29989,29990,29990,29991,29990,29988,29988,29989,29989,29990]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2 O-O 9. O-O Nxd4 10. Bxd4 Bd7 11. b4 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} b6 12. Qd3 Bc6 13. Rfd1 {[#] White is slightly better.} Qd7 $146 ({Predecessor:} 13... e6 14. Rac1 Qe7 15. Bf3 Rfd8 16. h3 Rac8 17. a3 Ba8 18. Nb5 Rd7 19. Be3 Bf8 {½-½ (44) Lutz,C (2531)-Heberla,B (2551) Germany 2018}) 14. a4 Qb7 15. Bf3 e5 16. Be3 Rfd8 17. a5 bxa5 18. b5 (18. bxa5 $6 Bf8 $16) 18... Be8 19. Rxa5 a6 20. Qb1 axb5 21. Rxa8 Rxa8 22. cxb5 ({Much weaker is} 22. Rxd6 $6 Qc7 $11) ({But not} 22. Nxb5 $6 Bf8 $14) 22... Bf8 23. Be2 Rc8 24. Qd3 Be7 25. f3 (25. Ra1 $18 {Ra7 is the strong threat.} Ra8 26. Ra6) 25... Bd8 $16 26. Nd5 Nd7 27. Qa3 Nc5 28. Ra1 (28. b6 $16) 28... Bxb5 $14 {[#]} 29. Rb1 $1 Qa6 {[%cal Ra6a3]} 30. Qxa6 Bxa6 31. Bxc5 Bxe2 32. Bxd6 f6 {[#] White leaves nothing to chance now.} (32... Bd3 $14 33. Rb3 Bc4) 33. Be7 $1 $16 f5 34. Rb7 {aiming for Nf6+.} Ba6 35. Ra7 Rc1+ 36. Kf2 Rc2+ 37. Kg3 f4+ $2 (37... Bf1 $16) 38. Kh3 (38. Kh4 $1 $18 Bxe7+ 39. Nxe7+ Kf8 40. Kg5) 38... Bc8+ $2 {[%mdl 8192]} (38... Bxe7 $16 {is tougher.} 39. Nxe7+ Kf8) 39. Kh4 $18 Bxe7+ 40. Nxe7+ Kf8 41. Nxc8 Rxc8 42. Rxh7 {[%mdl 4096] Endgame Intending Rh8+ and mate. KR-KR} Rc2 43. Kh3 Rc6 44. Ra7 g5 (44... Rc2 $142 45. Ra5 Kg7 46. Rxe5 Kf6) 45. Rh7 Rc2 46. g3 Kg8 47. Rh5 fxg3 48. Rxg5+ Kf7 49. hxg3 Kf6 50. Kg4 Rc8 51. f4 exf4 52. gxf4 {White mates.} Rc1 53. e5+ Ke6 54. Rg6+ Kf7 55. Kf5 Rf1 56. e6+ Kf8 57. Ke5 Re1+ 58. Kf6 Re4 59. f5 Re1 60. e7+ Rxe7 {[#]} 61. Rg8+ $1 {[%mdl 576] Deflection} Kxg8 62. Kxe7 {Weighted Error Value: White=0.28/Black=0.61} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "3.1"]
[White "Griffith, Kyron"]
[Black "Vivekananthan, Anish"]
[Result "1/2-1/2"]
[WhiteElo "2346"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "19"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,19,18,16,0,0,0,0,2,16,6,7,12]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 {The position is equal.} 6. a4 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} Be7 7. Nc3 O-O 8. d4 {[#]} a6 $146 ({Predecessor:} 8... e4 9. Nxe4 Nxe4 10. Rxe4 d5 11. Re1 Bg4 12. Bxc6 bxc6 13. Qd3 Bxf3 14. Qxf3 Bd6 {½-½ (47) Dubov,D (2700)-McShane,L (2688) Netanya 2019}) 9. Bf1 e4 10. Nxe4 {A rather calm draw.  Weighted Error Value: White=0.06/Black=0.03} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "3.2"]
[White "Cervantes Landeiro, Thalia"]
[Black "Ezra Paul Chambers"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2258"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,0,27,29,31,31,59,51,57,52,48,43,43,50,51,47,54,55,67,72,62,25,61,56,78,66,91,82,64,21,75,25,140,74,78,77,86,92,174,187,175,95,75,86,184,180,175,91,254,250,334,20,193,239,792,779,739,746,1628,1607,1708,1704]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 a6 5. Bd3 Bg4 6. Nbd2 e6 7. Qc2 Nbd7 8. b3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Bd6 9. Bb2 Qb8 10. O-O {White is slightly better.} O-O 11. h3 Bh5 12. Ng5 {[%cal Rd3h7]} h6 13. Ngf3 Bxf3 14. Nxf3 e5 15. dxe5 Nxe5 16. Be2 Re8 17. Rad1 Qc7 {[#]} 18. Nh4 $146 ({Predecessor:} 18. cxd5 Nxd5 19. Rd2 Qe7 20. Rfd1 Bc7 21. Bxe5 Bxe5 22. Bc4 Nb6 23. Nxe5 Qxe5 24. Rd4 {1-0 (46) Tregubov,P (2632)-Prie,E (2446) Senat 2003}) 18... Rac8 19. cxd5 Nxd5 20. Nf5 {Hoping for e4.} Bf8 21. Bc4 Nb4 (21... Nf6 $11 {keeps the balance.}) 22. Qb1 {aiming for f4.} (22. Qe4 {is more complex.} b5 23. Be2 Nd5 24. Qh4 Qd7 25. Bg4) 22... b5 {[#]} (22... Nxc4 $11 {remains equal.} 23. bxc4 c5) 23. Be2 (23. f4 $142 $1 bxc4 24. Bxe5) 23... g6 24. Ng3 Nd5 25. Qc1 Nd7 (25... Nf6 $16 {was called for.}) 26. Bg4 $1 $18 f5 {[#]} 27. Bf3 (27. Nxf5 $1 $18 {Threatens to win with Nh4.} gxf5 28. Bxf5) 27... N7f6 $16 28. Rfe1 Ne4 (28... Bg7 $16 {might work better.}) 29. Bxe4 $18 fxe4 30. Rd4 (30. Qc2 $18) 30... Qa5 $2 (30... Bd6 $16) 31. Red1 ({But not} 31. Nxe4 $6 Qd8 $18) ({Much less strong is} 31. Rxe4 $6 Rxe4 32. Nxe4 Qb4 $18) 31... Qxa2 32. Rxe4 $2 (32. Nxe4 $18 Kf7 33. Qc2) 32... Qxb3 {[#]} (32... Rxe4 $11 33. Nxe4 Qxb3) 33. Rg4 $1 {[%cal Rg4g6]} Kh7 (33... Ne7 34. Ne4 Red8 35. Nf6+ Kf7) 34. Qb1 {[%csl Gg4][%cal Rb1g6] White is clearly winning.} Re6 35. Rd3 Nc3 36. Rxc3 Qd5 37. Rd3 {Weighted Error Value: White=0.31/Black=0.48} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "3.3"]
[White "Wang, Tianqi"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2256"]
[BlackElo "2180"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,139,37,29,44,18,45,40,40,35,64,109,61,59,75,67,85,53,80,58,136,127,135,118,145,145,144,70,78,18,92,90,97,96,95,72,208,149,183,142,152,16,168,163,160,157,160,161,167,166,166,154,252,33,22,23,33,8,62,9,46,49,116,113,127,46,63,61,168,161,162,161,168,168,168,168,168,168,153,163,157,122,499,467,388,308,755,728,697,722,696,687,644,581,676,666,853,692,2055,1983,1811,1804,6598,6423,29981,29980,29980,29981,29980,29981,29984,29985,29988,29988,29991,29992,29994,29989,29989,29990,29992,29993,29993,29994,29994,29995,29996,29997,29997,29998]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. f4 d5 6. d3 Bd6 7. Nf3 Ne7 {B23: Closed Sicilian: Lines without g3.} 8. O-O O-O {[#]} 9. e5 $146 ({Predecessor:} 9. b3 Ba6 10. Qe1 c4 11. bxc4 dxc4 12. d4 Bb4 13. Bd2 c5 14. Rb1 Nc6 15. a3 Bxc3 16. Bxc3 cxd4 17. Nxd4 Nxd4 {1-0 (38) Pervai,L (1875)-Szalay Ocsak,B (1516) Budapest 2017}) 9... Bc7 {White is slightly better.} 10. Na4 Bb6 11. c4 Ng6 12. b3 f6 13. Qe2 Qc7 14. Bd2 Bd7 15. g3 a5 ({Black should play} 15... fxe5 $14 16. Nxe5 Nxe5 17. fxe5 Rxf1+ 18. Rxf1 Be8) 16. Rae1 $16 Qa7 17. Bc1 fxe5 18. Nxe5 Nxe5 19. Qxe5 (19. fxe5 $16 Rae8 20. Qg4) 19... Bc7 $14 20. Qg5 (20. Qa1 $16) 20... Bd8 (20... Bd6 $1 $11) 21. Qh5 $16 Rf5 22. Qe2 Be7 23. Ba3 Rf7 (23... Raf8 $16) 24. Qe3 d4 25. Qe5 {[%cal Ra3c5]} Rf5 {[#]} 26. Qe4 (26. Qxf5 $1 $16 {[%mdl 512]} exf5 27. Rxe7) 26... Raf8 $2 (26... Bd6 $11 {and Black is okay.}) 27. g4 $18 R5f6 28. Qe5 Rg6 29. Kh1 $1 (29. Bxc5 Bxc5 30. Qxc5 (30. Nxc5 Rf5 $15) 30... Rxg4+ 31. Kh1 Qc7 $11) 29... Rxg4 30. Bxc5 Bxc5 31. Nxc5 {Black must now prevent Qd6.} Bc8 (31... Rg6 $16 32. Qxd4 Bc8) 32. Ne4 $2 (32. Qxd4 Qf7 $16) (32. Nxe6 $18 Rf7 33. Qh5 (33. Qxd4 Qxd4 34. Nxd4 c5 $15) 33... Bxe6 34. Rxe6) 32... Rf5 $14 33. Qd6 Qd7 34. Rf2 (34. Qb8 {feels hotter.} c5 35. Rf3 e5 36. Nxc5 Qc6 37. Ne4) 34... Rf8 (34... h6 $11) 35. Rg1 (35. Qxd7 $14 Bxd7 36. Nc5) 35... Qxd6 (35... e5 $5 {[%cal Rg4g1]} 36. Qxd7 (36. Qxe5 Rxg1+ 37. Kxg1 Qg4+ 38. Ng3 Qd1+ {[%mdl 64] Double Attack} 39. Kg2 Qxd3 $11) 36... Bxd7 $11) 36. Nxd6 Rh4 {[#]} ({Black should try} 36... e5 $14) 37. Rg5 $1 $16 Rh3 38. Rg3 (38. Rfg2 $16 g6 39. R2g3 (39. Rxa5 Rxd3 40. Ra7 e5 $11)) 38... Rh4 39. Kg2 Rh5 (39... h6 $14) 40. Rg5 $18 Rxg5+ 41. fxg5 {[%mdl 4096] Endgame aiming for Rxf8+. KRB-KRN} Rd8 42. Nf7 Rf8 {[#]} 43. Ne5 c5 44. Kg3 Rxf2 45. Kxf2 {KB-KN} Kf8 46. Nc6 Bd7 $2 {[%mdl 8192]} (46... a4 $16 {is more resistant.}) 47. Nxa5 Bc8 48. Nc6 Bb7 $2 (48... Bd7) 49. Ne5 Ke7 50. Kg3 Kd6 51. Kf4 Bg2 52. a3 {[%cal Ba2a3,Ba3a4,Ba4a5][%mdl 32]} Bf1 53. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Bg2 54. h4 g6 55. b5 Kc7 56. a4 Bh3 57. a5 Bf1 58. b6+ {White mates.} Kb7 59. Nd7 Kc6 {[#]} 60. Nxc5 $1 {[%mdl 512]} Kd6 {[#]} (60... Kxc5 61. b7) 61. b7 $1 e5+ (61... Kc7 62. a6) 62. Kf3 Kc7 63. a6 e4+ 64. Kxe4 Bg2+ 65. Kxd4 Bxb7 66. axb7 Kb8 67. Kd5 Kc7 68. d4 Kb8 69. Kc6 h5 70. Na6+ {Weighted Error Value: White=0.25/Black=0.54} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "3.4"]
[White "Martin Del Campo C., Roberto"]
[Black "Colas, Joshua"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2296"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,119,27,31,24,70,58,120,125,145,138,184,184,184,176,179,186,186,188,181,176,200,197,202,202,202,202,202,202,299,295,286,286,287,295,299,292,300,302,290,295,378,364,360,368,415,391,489,493,452,963,981,964,933,904,799,693,1291,1233,1114,988,1355,1359,989,1136,1005,1064,1065,1108,1894,1801,2633,2360,1981,1850,12832,12832,12831,12832,12833,12833,12841,12841,12842,12843,12843,12843,12844,12844,12845,12845,12845,12846,12847,12847,12850,12850,27999,27999,27997,27997]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4 O-O 9. cxd5 Qxd5 10. Nc3 Nxc3 11. bxc3 Bg4 12. Re1 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Bf6 13. Be4 {[#]} Qd7 $146 (13... Qa5 $14) ({Predecessor:} 13... Qc4 14. Qb3 Qxb3 15. axb3 Bd7 16. Bf4 Rfc8 17. Re3 a5 18. d5 Ne7 19. d6 cxd6 20. Bxb7 {1-0 (37) Valerga,D (2470)-Amura,C (2368) San Luis 2006}) 14. Rb1 $16 {White is better.} Rab8 {[#]} 15. Qd3 $1 Kh8 16. h3 ({Worse is} 16. Bxh7 g6 $17) 16... Bh5 17. Qb5 Bxf3 18. Bxf3 a6 19. Qd5 Qxd5 20. Bxd5 Ne7 21. Bxb7 Nd5 22. Bd2 Nb6 23. Bc6 g5 24. Bc1 Nc4 (24... h6 {was worth a try.} 25. Rb4 Rbd8) 25. Rxb8 $18 Rxb8 26. Re8+ Rxe8 27. Bxe8 {[%mdl 4096] Endgame KBB-KBN} Kg7 28. Kf1 Kf8 29. Bc6 Ke7 30. Be4 Nd6 31. Bxh7 Nb5 32. Bb2 c5 33. Bd3 cxd4 34. Bxb5 axb5 35. cxd4 {KB-KB} Kd6 36. Ke2 Kd5 37. Kd3 Bg7 38. g4 f6 39. Bc1 Bf8 40. Bd2 Ba3 41. f4 Be7 42. Be1 gxf4 43. h4 Bf8 44. Ba5 f3 45. Bd8 Bg7 46. Ke3 f2 47. Kxf2 Kxd4 48. Kf3 Ke5 49. Bc7+ Ke6 50. Ke4 Bh8 51. Bf4 Bg7 52. h5 Bf8 53. h6 Kf7 54. h7 Bg7 55. Kf5 Bh8 56. Bd2 Kg7 57. Bc3 Kxh7 58. Bxf6 Bxf6 59. Kxf6 b4 60. g5 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.02/Black=0.25} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.15"]
[Round "3.5"]
[White "Andrianov, Nikolai"]
[Black "Matros, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2384"]
[BlackElo "2405"]
[Annotator "NA RC"]
[PlyCount "10"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,10,11,-2,-4]} 1. d4 {[%emt 1:30:30]} d5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 4. g3 {[%emt 0:00:30]} Bb4+ {[%emt 0:00:30]} 5. Bd2 {[%emt 0:00:30]} Be7 $11 {[%emt 0:00:30]} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "4.1"]
[White "Vivekananthan, Anish"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2326"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,124,3,0,0,0,6,0,4,0,10,10,13,0,41,39,34,38,53,35,57,52,50,41,60,33,34,33,39,22,26,23,41,53,89,70,130,122,124,122,115,114,108,131,158,159,151,101,178,167,371,393,360,371,475,363,364,359,354,321,428,393,399,392,352,256,374,360,429,228,370,256,250,205,198,184,211,95,79,0,0,0,0,0,31,43,75,90,306,47,150,-569,-559,-623,-564,-1815,-1544,-5306,-54,-29985,-29986,-29992,-29986,-29993,-29994,-29994,-29982,-29982,-29983]} 1. g3 c5 2. Bg2 g6 3. c4 Bg7 4. Nc3 Nc6 5. Nf3 e5 6. O-O d6 7. d3 Nge7 8. a3 a5 9. Rb1 O-O 10. b3 Rb8 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 11. Bb2 h6 12. Nd2 Be6 {The position is equal.} 13. Nd5 b5 14. e3 Qd7 15. Re1 {[#]} Qa7 $146 ({Predecessor:} 15... Bg4 16. Qc2 Rfc8 17. Ne4 Nxd5 18. cxd5 Ne7 19. Nd2 Bh3 20. Bh1 Nf5 21. a4 h5 22. axb5 Rxb5 {1-0 (50) Ding,L (2801)-Vachier Lagrave,M (2780) London 2019}) 16. Nc3 b4 17. Nb5 Qd7 18. Ne4 Nf5 19. a4 Rfd8 20. Qc2 Rbc8 21. Rbd1 Qe7 22. Nd2 Qf8 23. Qb1 Nfe7 24. Qa1 Bg4 25. Rc1 g5 26. h3 Bf5 (26... Be6 $14) 27. Ne4 $16 Ng6 28. Rcd1 Be6 29. d4 cxd4 30. exd4 {aiming for d5.} exd4 31. Nxd4 Nce5 32. Qb1 Bd7 (32... d5 $16) 33. Nb5 $18 Bf5 $2 {[#]} (33... Bxb5 34. axb5 f5) 34. Nf6+ $1 {[%mdl 576] Discovered Attack} Bxf6 35. Qxf5 Bg7 36. Bd4 Ne7 37. Qb1 N7c6 38. Be3 f5 39. f4 gxf4 40. gxf4 Ng6 41. Qd3 Nce7 (41... Kh7 {might work better.} 42. Kh1 Qf6 43. Nxd6 Nh4) 42. Nxd6 Rc7 43. c5 (43. Bb6 $142 Nxf4 44. Qg3 (44. Bxc7 Nxd3 45. Rxd3 Rd7 $14) 44... Nxg2 45. Qxg2) 43... Bc3 (43... Kh7 {was necessary.} 44. Kh1 Nh4) 44. Re2 Kh7 45. Kh1 Nc8 46. Qa6 Ra7 47. Qc6 (47. Qb5 $1 $18 {And now Bb7 would win.} Rg7 48. Qxa5) 47... Rad7 $16 {[%cal Rc8d6] [#]} 48. Rf1 (48. Bd5 $1 $16 Nge7 49. Qa6 Nxd5 50. Rxd5) 48... Nxd6 $11 49. cxd6 Rxd6 50. Qc7+ R8d7 (50... Qg7 $5 {[%cal Rg7c7]} 51. Qxa5 Nh4 $11) 51. Qxa5 {Black must now prevent Bc5.} Qf6 52. Qb5 Nh4 $2 (52... Bd4 $16) 53. a5 $2 ({White must play} 53. Bc5 $18) 53... Re7 {[#]} (53... Nxg2 $14 54. Rxg2 Qe6) 54. Bg1 $2 (54. Bd5 $1 $16 {stays on course.}) 54... Rxe2 $19 55. Qxe2 {Hoping for Rd1.} Rd2 {[%cal Bd6d2,Bd2g2,Bg2a2][%mdl 32]} 56. Qb5 {Strongly threatening Qb7+.} Rxg2 57. a6 Ra2 $2 (57... Rg7 $19 {( -> ...Qg6)} 58. Bf2 Qd8 59. Bxh4 Qa8+ 60. Qb7 Rxb7 61. axb7 Qxb7+ 62. Kg1 Qd5) 58. a7 $2 {[%mdl 8192]} (58. Qb7+ $15 Qg7 59. Rd1) 58... Qg7 {[%csl Ga2,Gh4][%cal Rg7g2] Black mates.} 59. Rf2 Rxa7 60. Re2 Ra1 {[%csl Ga1][%cal Rg7g1]} 61. Qc5 Rxg1+ 62. Qxg1 Qb7+ {Weighted Error Value: White=0.75/Black=0.43} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "4.2"]
[White "Colas, Joshua"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2288"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,22,51,41,6,13]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. d4 cxd4 7. Nxd4 Nf6 8. Nc3 Qg4 9. Qxg4 Nxg4 10. Nxc6 bxc6 11. b3 {B52: Sicilian: Moscow Variation with 3...Bd7.} g6 {[#] Not much happened in this game. Not enough moves} {Predecessor:} 12. Bb2 $146 Rg8 13. h3 Ne5 14. O-O-O Bh6+ 15. Kc2 f5 16. Rhe1 f4 17. f3 Bg7 18. Ne2 g5 {1-0 (69) Blomqvist,E (2545)-Adly,A (2603) Baku 2016} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "4.3"]
[White "Oberoi, Shelev"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2180"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,173,10,22,16,12,0,59,45,41,25,40,23,31,20,34,12,12,12,8,14,13,0,0,0,0,0,0,0,3,-8,-8,-18,-19,-19,-19,-19,-19,-111,-111,-366,-375,-420,-395,-390,-319,-342,-277,-331,-305,-291,-289,-337,-311,-385,-369,-354,-349,-327,-196,-196,-196,-172,-177,-1564,-1475,-1495,-196,-1323,-1185,-1454,-1133,-1447,-1178,-2046,-1923,-1709,-322,-1177,-1216,-1744,-1741,-1527,-514,-1508,-1272,-428,-338,-338,-338,-338,-338,-1232,-210,-210,-210,-210,-210,-210,-210,-210,-210,-210,-155,-210,-172,-210,-210,-2347,-210,-210,-155,-155,-155,-210,-155,-155,-155,-155,-155,-210,-155,-210,-155,-155,-155,-210,-210,-210,-155,-155,-141,-141,-141,-141,-141,-194,-194,-194,-174,-194,-194,-194,-141,-194,-141,-194,-194,-194,-141,-194]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. d4 cxd4 6. cxd4 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Qa4+ Bd7 13. Qb4 a5 14. Qd6 {B22: Sicilian: 2 c3.} Bc6 15. Be2 (15. b3 {seems wilder.} Qxd6 16. exd6 Nd5 17. Bxg7 Rg8 18. Be5) 15... Nf5 ({Better is} 15... e3 $11 16. Bf3 exf2+ 17. Kxf2 Qe6) 16. Qxd5 $14 {White is slightly better.} Bxd5 {[#]} 17. O-O-O $146 ({Predecessor:} 17. O-O Ke7 18. Rfd1 Ke6 19. Bg4 Rhd8 20. Rd2 b5 21. a3 g6 22. g3 Ra7 23. Bh3 {1-0 (34) De Arco,L (2243)-Camargo,S (1986) Bogota 2012}) 17... Bc6 18. Bg4 g6 19. Rhe1 Ke7 20. b4 Rhc8 21. Kb2 axb4 22. Bxb4+ Ke8 23. h4 Ba4 {[#] Threatens to win with ...e3.} 24. Rc1 h5 {aiming for ...Rxc1.} 25. Bh3 Rxc1 26. Rxc1 Bc6 27. g3 Rd8 28. Bg2 Rd4 29. a3 Kd7 30. Bc3 Rd3 31. Bf1 (31. Re1 $11) 31... Rf3 $17 32. Rd1+ $2 {[%mdl 8192] [#] This move loses the game for White.} (32. Be1 $17 e3 33. Rc2) 32... Ke8 $1 $19 33. Bc4 Rxf2+ 34. Kb3 Rf3 35. Kb4 Ne3 (35... Nxg3 $2 36. Rd6 $19) 36. Rd2 Nxc4 ({But not} 36... Rxg3 37. e6 $19) 37. Kxc4 Rxg3 {[%mdl 4096] Endgame KRB-KRB} 38. Bb4 Rg4 39. Kc5 e3 40. Re2 Rxh4 {Hoping for ...Re4.} 41. Rxe3 Re4 (41... Ke7 $142 42. Rd3 Re4) 42. Rxe4 Bxe4 {KB-KB} 43. Kd4 Bc6 44. Bd2 $2 (44. Ke3) 44... Kd7 45. Ke3 h4 $2 (45... Ke6 46. Kf4 h4) 46. Kf4 (46. Kd4) 46... Ke6 47. Be1 h3 {White must now prevent ...h2.} 48. Bg3 Kd5 49. Kg4 Bd7+ 50. Kf3 Kd4 $2 (50... g5 51. Kf2 Kc4) 51. Kf2 $2 (51. Bf4) 51... g5 52. Kg1 Ke4 53. Kh2 b5 (53... Bg4 $142 54. Kg1 Kf3) 54. Kg1 Be6 55. Kh2 Bf5 56. Kg1 Kf3 57. Kh2 Be6 58. Be1 Ke2 $2 (58... Kf4 59. Bd2+ Kg4) 59. Bb4 Kf2 60. Be7 g4 {( -> ...g3+)} 61. Bh4+ Kf3 62. Be1 Bc4 63. Bh4 Ke3 64. Be1 (64. Kg3 $17) 64... Ke4 65. Bg3 Kd4 66. Kg1 $2 (66. Bf4) 66... Kd3 $2 (66... Kc3 67. Kf2 Kb3) 67. Kh2 {Black is clearly better.} Kd2 68. Bh4 Kc3 69. Be1+ (69. Be7 $17) 69... Kb3 70. Bb4 Be6 71. Bc5 Kc4 72. Bf2 (72. Bf8 $17) 72... Bd5 73. Be1 (73. Bh4 $17) 73... Bf3 74. Bh4 Kd4 75. Bg3 (75. Bf6 $17 {was worth a try.} Ke4 76. Kg3) 75... Bg2 76. Bf4 Kc3 77. Bg5 b4 78. axb4 Kxb4 79. Bf4 Kc4 80. Bg3 (80. Bh6 $17) 80... Kd4 81. Kg1 Ke4 82. Kh2 Kf3 83. Be1 Ke3 (83... Bf1 $19 84. Bh4 Bd3) 84. Bh4 (84. Kg3 $17 {might work better.}) 84... Bd5 (84... Kf4 $19 85. Bg3+ Kf3) 85. Be1 (85. Kg3 $17) 85... Kf3 86. Bh4 Ke4 (86... Be4 $19 87. Be1 Bc6) 87. Bg3 {Weighted Error Value: White=0.94/Black=0.33} (87. Kg3 $17) 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "4.4"]
[White "Ezra Paul Chambers"]
[Black "Matros, Alexander"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2217"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,94,53,45,37,38,37,37,37,32,32,34,29,33,33,37,24,41,20,38,34,33,32,32,0,0,0,10,-33,-33,-33,-27,-27,-27,-22,-31,-42,-38,-43,-33,-104,-31,-43,-6,-48,-35,-79,0,-55,50,50,50,-43,-43,-43,-44,-44,0,0,0,0,0,-23,0,-130,-15,-565,-564,-557,-533,-946,-931,-29969,-29960,-29994,-29993,-29995,-29996,-29996,-29991]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 {8...a5 is a critical line.} 9. Bg5 a6 10. Qe2 {C41: Philidor Defence.} h6 11. Bxf6 Bxf6 12. d5 {White is slightly better.} c5 13. Nd1 g6 14. Ne3 Bg7 15. Bd3 Nf6 {[#]} 16. c3 $146 ({Predecessor:} 16. Nd2 h5 17. Ra3 Bh6 18. Rb3 Qc7 19. h3 Kg7 20. Ndf1 Bd7 21. Ra3 b5 22. b3 {1-0 (54) Hojjatova,A (2316)-Serbanescu,D (1989) Novi Sad 2016}) 16... Ne8 17. Qc2 h5 18. b4 cxb4 19. cxb4 Bh6 20. g3 Ra7 21. Ra3 Bd7 22. Rc3 b5 23. a5 Rc7 24. Rc1 {[%cal Rc3c7]} Rxc3 25. Qxc3 Qb8 26. Qe1 Nf6 27. h4 Rc8 28. Ng5 (28. Rxc8+ $15 Qxc8 29. Ng5) 28... Ng4 ({Black should try} 28... Rxc1 $17 29. Qxc1 Qa7) 29. Nxg4 $15 Bxg4 30. Rc3 Bd7 31. Bf1 Rc7 (31... Rxc3 $17 32. Qxc3 Qc8 33. Qxc8+ Bxc8) 32. Kh2 ({White should play} 32. Rxc7 $11 Qxc7 33. Qe3) 32... Qc8 (32... Rxc3 $15 33. Qxc3 Qc8 34. Qxc8+ Bxc8) 33. Rxc7 $14 Qxc7 34. Bh3 (34. Qe3 $1 $14) 34... Bxh3 $15 35. Kxh3 Qc4 36. Kg2 f6 37. Ne6 Bc1 38. Kg1 Qc2 ({Avoid the trap} 38... Ba3 $2 39. Qe3 $18) 39. Kg2 Qd2 $36 {[%mdl 2048] Black fights for an advantage.} 40. Qh1 {[#]} (40. Qf1 $11 {was the only way to keep the balance.}) 40... Ba3 (40... Bb2 $1 $17 41. Qf1 Bd4) 41. g4 $2 {[%mdl 8192] This move loses the game for White.} (41. Qh3 $11) 41... hxg4 $19 42. h5 Qd3 43. Qe1 gxh5 44. Nc7 h4 {Black mates.} 45. Nxa6 Qf3+ 46. Kg1 h3 {[%csl Gh3][%cal Rf3g2]} 47. Qf1 g3 {[%csl Gg3][%cal Rh3h2] Weighted Error Value: White=0.68/Black=0.17} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.16"]
[Round "4.5"]
[White "Cervantes Landeiro, Thalia"]
[Black "Griffith, Kyron"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2258"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,160,11,17,22,25,27,8,24,-2,10,-12,-12,-49,-54,-89,-88,-83,-81,-97,-65,-100,-74,-86,-85,-102,-71,-128,-108,-112,-106,-112,-114,-108,-147,-92,-52,-83,-91,-86,-86,-187,-177,-173,-97,-93,-93,-90,-97,-196,-198,-284,-295,-297,-300,-269,-270,-704,-679,-640,-353,-618,-622,-565,-482,-484,-464,-400,-424,-585,-559,-655,-640,-548,-254,-254,-254,-254,-254,-293,-286,-291,-291,-292,-278,-287,-285,-277,-272,-262,-250,-331,-308,-311,-285,-285,-283,-279,-278,-253,-247,-266,-239,-437,-414,-387,-371,-414,-396,-1570,-1994,-1687,-1785,-1879,-1763,-1779,-1162,-1850,-1187,-1589,-1521,-1138,-811,-1503,-476,-822,-495,-12840,-416,-356,-309,-283,-263,-12838,-12839,-12839,-12840,-12839,-12839,-12839,-1669,-1465,-1054,-6609,-2177,-1217,0,-12844,-12844,-12847,-12847]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Re1 a5 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} 8. Nc3 Ne4 9. Nxe4 Bxe4 {The position is equal.} 10. Bf4 d6 {[#]} 11. b3 $146 ({Predecessor:} 11. Bh3 Nd7 12. Qa4 Bf6 13. Rad1 Qe7 14. Nd2 Bb7 15. Nb1 {1-0 (46) Plonczak,D (2214)-Pilzak,M (1974) Poland 2014}) 11... c5 12. dxc5 bxc5 13. Nh4 Bxg2 14. Nxg2 Nc6 15. Qd3 Qb6 16. Red1 (16. Bxd6 $2 Rfd8 $19) 16... Rfd8 17. Qe4 a4 18. h4 h6 19. g4 (19. Ne1 $142) 19... axb3 20. axb3 d5 21. cxd5 exd5 22. Qe3 Rxa1 23. Rxa1 Bf6 24. Rc1 Bd4 25. Qg3 Re8 26. e3 {[#]} (26. g5 $17) 26... Bb2 $1 $19 {[%cal Rb2c1]} 27. Rc2 {[#]} Be5 ({Black should try} 27... Ba3 $1 $19 28. g5 hxg5 29. Bxg5 Ne5) 28. g5 $17 hxg5 ({Of course not} 28... Qxb3 $6 29. Rxc5 Qd1+ 30. Kh2 $11) 29. hxg5 g6 ({Much worse is} 29... Qxb3 $6 30. Rxc5 Qd1+ 31. Kh2 $11) 30. Qh3 (30. Bxe5 $17 {was necessary.} Nxe5 31. Nf4) 30... d4 $19 ({Worse is} 30... Qxb3 31. Rxc5 Qa4 32. Kh2 $14) 31. exd4 (31. e4 $142) 31... Nxd4 32. Bxe5 Rxe5 33. Ra2 {White threatens Ra8+ and mate.} Re8 34. Qd7 $2 (34. Qd3) 34... Rd8 35. Qh3 Qb7 {Hoping for ...Nf3+.} 36. Ra1 $2 (36. Rd2) 36... Nf3+ 37. Kh1 Nxg5 38. Qh4 Rd5 {Threatens to win with ...Nf3.} 39. Re1 {Re8+ would kill now.} Ne6 {And now ...Rh5! would win.} 40. Qg4 Qxb3 {aiming for ...Rg5.} 41. Kg1 Rg5 42. Qe4 Qd5 (42... Nd4 $142 43. f4 Rh5) 43. Qxd5 Rxd5 {[%mdl 4096] Endgame KRN-KRN} 44. Ne3 Rd4 45. Rc1 Kg7 46. Kg2 f5 47. Kf3 Kf6 48. Ra1 Rd6 49. Nc4 Nd4+ 50. Kg2 Rc6 51. f4 Ne6 52. Kg3 g5 53. fxg5+ Nxg5 54. Ra8 {and the idea Rf8+ leaves White hopeful.} Ne6 55. Kf3 Rc7 56. Ra6 Rb7 57. Nd6 $2 (57. Nd2) 57... Rb3+ 58. Kf2 Rb4 59. Rc6 f4 60. Rc8 $2 (60. Ra6) 60... Ke5 61. Nf7+ Kd5 62. Nh6 Rb2+ 63. Kf3 Rb3+ 64. Kf2 Ke4 65. Re8 Rb2+ 66. Ke1 Kd5 67. Ng4 Nd4 (67... c4 $142 68. Nf6+ Ke5 69. Ng4+ Kd6) 68. Rd8+ (68. Nf6+ $142 Kc4 69. Kf1) 68... Kc4 69. Rf8 (69. Ne5+ $142 Kc3 70. Kf1) 69... Ne6 (69... Nc2+ $142 70. Kf2 Nd4+ 71. Kf1 Ne6) 70. Re8 Kd5 71. Nf6+ Ke5 72. Nh5 $2 (72. Ng4+ Kd6 73. Nf6) 72... Kf5 73. Kf1 c4 74. Rc8 Rc2 75. Ke1 Ke5 (75... Kg5 $142 76. Re8 Kf5) 76. Kd1 Rc3 77. Kd2 Rd3+ 78. Kc1 c3 $2 (78... f3 $19 {( -> ...f2)} 79. Ng3 f2) 79. Kc2 $2 {[%mdl 8192]} (79. Nxf4 $11 Nxf4 80. Kc2) 79... Rh3 80. Ra8 Nd4+ {Weighted Error Value: White=0.54/Black=0.20} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "5.1"]
[White "Martin Del Campo C., Roberto"]
[Black "Vivekananthan, Anish"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2296"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,3,4,11,7,0,14,16,18,-22,0,0,0,0,8,0,19,14,77,77,62,-12,124,114,89,20,69,-76,-83,-104,-68,-143,-132,-205,-198,-292,-289,-319,-165,-479,-470,-497,-469,-489,-493,-570,-555,-581,-572,-764,-761,-2277,-2151,-29994,-29995,-29995,-29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 Nxd4 5. Nxd4 c6 6. Bc4 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} exd4 7. Qxd4 Qb6 {[#]} 8. Qe5+ $146 {The position is equal.} ({Predecessor:} 8. Qxb6 axb6 9. Bd3 d5 10. exd5 Nxd5 11. c3 Bd6 12. O-O O-O 13. Rd1 Bg4 14. f3 {0-1 (57) Kosteniuk,A (2471)-Lysyj,I (2594) chess.com INT 2020}) 8... Be7 9. Be3 Qb4+ 10. Nd2 d6 11. Qg3 O-O $132 {[%mdl 2048] And now ...Nxe4 would win. Black puts up resistance} 12. O-O-O b5 ({Of course not} 12... Nxe4 $6 13. Nxe4 Qxc4 14. Bh6 $1 $16) (12... Nh5 $5 13. Qf3 $8 Nf6 $11) 13. Bb3 Re8 {[#]} (13... Nh5 $11 14. Qf3 Nf6) 14. a3 $1 $16 {[%cal Ra3b4]} Qa5 15. f4 ({Better is} 15. Bd4 $14) 15... Nd7 (15... b4 $11 {keeps the balance.}) 16. Bd4 {[%csl Gd4][%cal Rg3g7]} Bf8 17. Bc3 ({White should try} 17. f5 $16) 17... Qc7 18. e5 {[#]} (18. f5 $14) 18... d5 $1 $17 19. f5 Nc5 ({Weaker is} 19... Nxe5 20. f6 $14) 20. f6 (20. Qf2 $15) 20... g6 21. Rde1 (21. Rhe1 $17 {keeps fighting.}) 21... Be6 $19 22. Qf4 (22. h4 $142 h5 23. Bb4) 22... a5 23. Kd1 a4 (23... b4 $142 24. Bd4 Nxb3 25. Nxb3 c5) 24. Ba2 $2 (24. Bb4) 24... d4 {[%mdl 64] Discovered Attack} 25. Bxd4 Bxa2 26. Bxc5 Bxc5 27. h4 Rad8 28. Kc1 {Now h5 and White clings on.} Rd4 29. Qh2 h5 30. c3 {[#]} Rxd2 $1 31. Kxd2 (31. Qf4 Red8) 31... Qd7+ 32. Kc1 Qd3 {Weighted Error Value: White=0.73/Black=0.17} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "5.2"]
[White "Wang, Tianqi"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2256"]
[BlackElo "2258"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,27,20,21,0,0,0,0,-12,-10,-22,0,8,17,4,13,0,13,-4,7,-4]} 1. e4 c5 2. Nc3 a6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 {The position is equal.} 6. Nh3 {B24: Closed Sicilian: 3 g3 sidelines.} e6 7. O-O Nge7 8. Bg5 d6 9. Qd2 O-O 10. Bh6 {[#]} Rb8 $146 ({Predecessor:} 10... b5 11. Bxg7 Kxg7 12. f4 Bd7 13. g4 f5 14. g5 Rc8 15. Rae1 b4 16. Nd1 a5 {0-1 (40) Enxing,P (1494)-Garbuz,V (1743) Verden 2015}) 11. Bxg7 Kxg7 12. Nf4 b5 13. Nfe2 Nd4 14. Nxd4 {Not much happened in this game.  Weighted Error Value: White=0.07/Black=0.07} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "5.3"]
[White "Griffith, Kyron"]
[Black "Ezra Paul Chambers"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2346"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,-1,8,-11,19,9,22,5,0,0,12,12,7,0,18,0,3,-26,-30,-61,-39,-58,-43,-50,-47,-43,-37,-72,-25,-86,-43,-102,-64,-70,-57,-62,-55,-42,-45,-81,-103,-84,-47,-68,-69,-87,-51,-98,-12,-18,-15,-22,0,0,0,-142,-142,-142,-139,-139,-126,-107,0,0,0,0,0,0,0,0,34,39,93,95,98,95,195,191,191,191,202,206,208,163,350,339,406,406,406,391,391,384,356,22,380,355,387,385,378,352,335,317,417,413,985,963]} 1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 g6 6. c3 {B10: Caro-Kann: 2 d3 and 2 c4.} Bg7 7. Nfd2 Nd7 {[#]} 8. a4 $146 {The position is equal.} ({Predecessor:} 8. f3 f5 9. exf5 gxf5 10. Kc2 Ngf6 11. Nb3 Nd5 12. a4 Ne5 13. Nd4 f4 14. Na3 {0-1 (51) Alekseenko,K (2704)-Dreev,A (2677) Moscow 2019}) 8... Nh6 9. f3 f5 10. exf5 Nxf5 11. Ne4 Ne5 12. Na3 Nd6 13. Nf2 Be6 14. Ke1 Bb3 15. a5 O-O 16. Nd3 Nd7 17. Be3 b6 18. Be2 bxa5 19. Bd1 (19. Kf2 $11) 19... a4 (19... Bd5 {keeps more tension.} 20. Bc2 Nf5 21. Bf2 e5 22. Nc5 Nxc5 23. Bxc5 Rfb8) 20. Nc1 (20. Ke2 $15) 20... Rfb8 (20... Bd5 {is interesting.} 21. Bxa4 Rab8 22. Nd3 Rxb2 23. Nxb2 Bxc3+ 24. Ke2 Bxb2 25. Rad1 Nb6) 21. Nxb3 axb3 22. Be2 a5 23. Kf2 a4 24. Rhd1 Nf6 25. Bd4 Kf8 26. g3 Nfe8 27. h4 Nb5 28. Bc5 Be5 (28... Bxc3 $17 29. Nc4 (29. bxc3 $2 b2 $17) 29... Ned6 $1 30. bxc3 (30. Bxd6 $2 exd6 31. bxc3 a3 $19) 30... Nxc4 31. Bxc4 b2) 29. Nc4 $11 Bd6 30. Nxd6 exd6 (30... Nexd6 {feels hotter.} 31. c4 Nc3 32. Rxd6 exd6 33. Bxd6+ Kf7) 31. Bxb5 cxb5 32. Bxd6+ (32. Ba3 $11 {keeps the balance.}) 32... Nxd6 $17 33. Rxd6 {[#]} Rd8 $1 {[%cal Rd8d6]} 34. Rxd8+ Rxd8 {[%mdl 4096] Endgame KR-KR} 35. Ke2 Ke7 (35... Rc8 $17 {aiming for ...Rxc3!} 36. Kd3 Kf7) 36. c4 $11 Ra8 {White must now prevent ...b4.} 37. cxb5 {Threatens to win with Kd3.} Kd6 38. Rc1 Ra5 39. b6 Rb5 (39... Re5+ {looks sharper.} 40. Kd3 Rd5+ 41. Ke3 Re5+ 42. Kd2 Rd5+) 40. Ra1 Rxb6 (40... Ra5 $14) 41. Rxa4 $16 Rc6 42. Rd4+ Ke5 {[#]} (42... Kc5 $16 43. Rd3 Kb4) 43. Ke3 $1 $18 Rb6 44. g4 h6 45. f4+ Ke6 46. Ra4 Kf6 $2 (46... h5 {was necessary.}) 47. Ra5 Ke6 48. h5 gxh5 49. Rxh5 Kf7 50. Rf5+ Kg6 51. Kd4 $2 ({White should play} 51. Rc5 $18) 51... Rb8 $2 {[%mdl 8192]} (51... Rb4+ $1 $11 {and Black has nothing to worry.} 52. Ke3 Rb7) 52. Kc3 Rb6 53. Rc5 Rb8 54. Rc6+ Kg7 55. Rc4 Re8 56. Kxb3 Re3+ (56... Kf7 $142 57. Kc3 Re3+ 58. Kb4 Rh3) 57. Ka4 {Quite a comeback for White.  Weighted Error Value: White=0.25/Black=0.35} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "5.4"]
[White "Andrianov, Nikolai"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2384"]
[BlackElo "2180"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,58,47,14,24,10,26,-26,-22,-29,0,-21,60,47,85,63,98,91,103,105,97,83,161,18,12,11,8,8,17,-223,212,212,207,225,389,323,650,666,29995]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nc6 7. Nc3 e5 8. d5 Ne7 9. e4 Nd7 10. Ne1 f5 11. Nd3 Nf6 12. f4 exf4 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} (12... fxe4 {keeps more tension.} 13. Nxe4 Nxe4 14. Bxe4 c6 15. dxc6 exf4 16. cxb7 Bxb7 17. Bxb7 Qb6+) 13. Nxf4 c6 14. c5 (14. Be3 $142) 14... fxe4 $11 {[#] Black has an edge.} 15. dxc6 $146 ({Predecessor:} 15. cxd6 Qxd6 16. Nxe4 Nxe4 17. Bxe4 Bf5 18. Bxf5 Rxf5 19. dxc6 Qc5+ 20. Kg2 Qxc6+ 21. Qf3 {1-0 (29) Barp,A (2366)-Arakhamia Grant,K (2380) Chess.com INT 2020}) 15... Nxc6 (15... bxc6 $5 {[%cal Rd6d5]} 16. cxd6 Nf5 $11) 16. cxd6 Qb6+ ({Black should play} 16... Bg4 $11 17. Qb3+ Kh8) 17. Kh1 $14 Bg4 18. Nfd5 Nxd5 19. Qxd5+ Kh8 {( -> ...Rxf1+)} 20. Rxf8+ $1 (20. Qxe4 $6 Rxf1+ 21. Bxf1 Bf5 $11) 20... Rxf8 21. Nxe4 Nd4 {[#]} (21... Qb4 $16 {is a better defense.} 22. Bf4 Qxb2) 22. Ng5 (22. Bd2 $1 $18) 22... h6 $1 $11 {[%cal Rh6g5]} ({Don't blunder} 22... Ne2 $2 23. Bd2 $18) 23. Nf7+ {[%mdl 64] Double Attack, Discovered Attack} Kh7 {aiming for ...Be6.} 24. d7 $36 {[%mdl 2048] White has some pressure.} Ne6 25. Ne5 $2 {[#]} (25. h3 $11 Bf5 26. g4 Bxg4 27. Nxh6 (27. hxg4 Rxf7 28. Bd2 Qd8 $11)) 25... Qb4 $4 {[%mdl 8192]} (25... Bxe5 $1 $19 {and life is good for Black.} 26. Bxh6 (26. Qxe5 {is a self mate.} Rf1+ {[%mdl 64] Deflection, Promotion} 27. Bxf1 Bf3+ 28. Bg2 Qf2 29. Qh8+ {[%mdl 64] Decoy} Kxh8 30. d8=Q+ Nxd8 31. Bxf3 Qf1#) 26... Qxb2) 26. Bd2 $18 Qxb2 27. Re1 Bxe5 $2 (27... Rf5) 28. Rxe5 {Hoping for h3.} Rd8 $2 (28... Ng7 29. Re7 Bxd7 30. Qxd7 Rf2) 29. h3 Nc7 {Accuracy: White = 65%, Black = 38%.} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "5.5"]
[White "Matros, Alexander"]
[Black "Colas, Joshua"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2405"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,27,23,28,38,4,13,9,19,15,42,4,41,4,19,-7,-5,-21,-20,-22,-2,-6,-10,-16,0,-14,-5,-41,-33,-82,-41,-52,-44,-41,-32,-35,-35,-61,12,-38,-22,-256,-253,-246,-213,-229,-230,-279,-276,-292,-280,-266,-251,-2031,-1995,-2007,-1966,-1851,-1640,-1494,-1385,-9270,-7132,-6387,-6123,-5110,-5081,-29968,-6115,-29982,-29983,-29983,-29984,-29985,-29986,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29991,-29993,-29991,-29990,-29991,-29991,-29992,-29992,-29993,-29992,-29993,-29994,-29995]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. Bxf6 Qxf6 8. Qb3 {The position is equal.} b6 9. e3 ({Much weaker is} 9. Nxd5 Qd8 $15) 9... Qd8 {[#]} 10. Ne5 $146 ({Predecessor:} 10. Be2 Bd6 11. O-O O-O 12. Qc2 Nd7 13. Bd3 Nf6 14. e4 dxe4 15. Nxe4 h6 16. Nxd6 Qxd6 {1-0 (58) Nastase,A-Panainte,A Voineasa 2010}) 10... c6 11. Be2 Bd6 12. Nd3 O-O 13. Bf3 Nd7 14. O-O Qf6 15. Ne2 g5 16. Ng3 g4 17. Be2 c5 {...c4 is the strong threat.} 18. dxc5 (18. Nf4 $5) 18... bxc5 {aiming for ...c4.} 19. Qc3 Qxc3 (19... c4 {is more complex.} 20. Nf4 Bxf4 21. exf4 d4 22. Qd2 d3) 20. bxc3 c4 21. Nf4 Nf6 22. f3 Bc5 $36 {[%mdl 2048] Black has the initiative.} 23. Kf2 Rfe8 (23... Rae8 $15 24. Rad1 gxf3 25. gxf3 Bd7 26. Nxd5 Nxd5 27. Rxd5 Bxe3+ 28. Kg2 Be6) 24. Rfd1 Rab8 25. Rab1 $2 {This move loses the game for White.} (25. Ngh5 $11 {and White has nothing to worry.} Nxh5 26. Nxh5 gxf3 27. Nf6+ Kf8 28. Bxf3 Rb2+ 29. Ke1) 25... Rxb1 $19 26. Rxb1 {[#]} Bxe3+ $1 {[%mdl 512]} 27. Kxe3 Bf5+ $1 28. Ne4 Nxe4 ({Don't take} 28... Bxe4 29. Rb6 $17) 29. fxe4 Rxe4+ 30. Kd2 {Black must now prevent Rb8+.} Rxf4 {[%mdl 64] Discovered Attack} 31. Rf1 (31. Rb8+ Kg7 32. Ke3 Re4+ 33. Kd2) 31... Rxf1 32. Bxf1 Bd3 33. Bxd3 cxd3 34. Kxd3 {[%mdl 4096] Endgame [#] KP-KP} f5 $1 {[%cal Rf5f4]} 35. c4 dxc4+ 36. Kxc4 Kf7 37. Kd5 Kf6 38. g3 f4 39. gxf4 {K3P-K3P} Kf5 {Black mates.} 40. a4 h5 41. a5 h4 42. Kc6 g3 43. hxg3 hxg3 {KPP-KPP} 44. Kb6 g2 45. Kxa6 g1=Q 46. Kb7 Qb1+ 47. Kc6 Qb8 48. a6 Kxf4 49. Kc5 Ke4 50. Kc6 Kd4 51. Kd7 Kd5 {Weighted Error Value: White=0.67/Black=0.12} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "6.1"]
[White "Vivekananthan, Anish"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2326"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,50,18,44,43,39,35,38,43,41,15,20,11,23,5,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 a6 7. Ne5 e6 8. e3 Nxe5 9. Bxe5 Be7 10. Bd3 O-O 11. O-O b5 12. a4 {D13: Slav Defence: Exchange variation without ...Bf5.} b4 13. Ne2 {[#]} a5 $146 ({Predecessor:} 13... Ng4 14. Bg3 Bd6 15. Qd2 Bxg3 16. Nxg3 a5 17. f3 Nf6 18. Rfc1 Bb7 19. Rc2 Qd6 20. Rac1 Rfc8 21. Bb5 g6 22. Ne2 Rxc2 23. Rxc2 Kg7 24. Nf4 {½-½ (24) Sprumont,O (2009)-Perez Rodriguez,L (2372) Montreal 2016}) 14. Rc1 {White is slightly better.} Bd6 15. Bxd6 Qxd6 16. b3 Bb7 17. Qd2 Rfc8 {The position is equal.} 18. Rxc8+ Rxc8 19. Rc1 Rxc1+ 20. Qxc1 Qc6 21. f3 Qxc1+ 22. Nxc1 Bc6 23. Kf2 Kf8 24. h4 h6 25. g4 Ke7 {White took control after the opening. Accuracy: White = 91%, Black = 100%.} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "6.2"]
[White "Oberoi, Shelev"]
[Black "Matros, Alexander"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2180"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,127,-10,0,-23,-44,-40,-31,-33,-36,-29,-31,-35,-34,-70,-78,-78,-75,-271,-210,-219,-123,-119,-106,-123,23,-106,160,0,0,0,20,0,206,204,188,77,80,51,349,100,172,161,222,204,200,196,179,102,151,95,448,269,441,235,270,255,256,260,252,258,299,299,293,274,232,194,194,196,268,256,245,233,29988,29989,29989,29990,29994,29995,29995,29989,29989,29986,29986,29987,29987,29988,29988,1939,1591,560,553,549,548,538,513,477,12848,12848,12849,12849,12847,12850,29936,717,596,430,12847,29938,29938,29939,29940,12847,29984,29985,29985,29986,29986,29987,29990,29991]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. g4 Nxg4 6. Rg1 {C41: Philidor Defence.} (6. Bg5 $5 {[%cal Rg5d8]} Ngf6 7. Qd2 $11) 6... Ngf6 7. Bc4 {7.Be3 is the fancy move.} h6 8. Be3 {Black is slightly better.} c6 9. Qd3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Bb3 Qa5 {[#]} 11. Nd2 $146 ({Predecessor:} 11. dxe5 dxe5 12. Nh4 Ba6 13. Qd2 Nb6 14. Nf5 b4 15. Nd6+ Bxd6 16. Qxd6 bxc3 17. O-O-O cxb2+ {1-0 (26) Mroziak,M (2369)-Bosiocic,M (2602) Tornelo INT 2020}) 11... Ba6 12. Ne2 d5 {White must now prevent ...dxe4.} 13. Ng3 (13. c3 $17) 13... b4 14. c4 c5 (14... bxc3 $1 $19 15. Qxc3 Qxc3 16. bxc3 Nxe4 17. Ndxe4 dxe4) 15. dxe5 $17 Nxe5 16. Qe2 dxe4 (16... d4 $17 17. Bf4 Ng6) 17. Ndxe4 (17. O-O-O $1 $11 {remains equal.} O-O-O 18. Ndxe4) 17... Nxe4 $4 {[%mdl 8192]} (17... O-O-O $1 $17 {stays on course. Hoping for ...Bb7.} 18. Nxf6 gxf6) 18. Bf4 $2 (18. O-O-O $1 $16 Nxg3 19. Rxg3) 18... O-O-O $11 19. Bxe5 Ng5 {And now ...Bb7 would win.} 20. h4 $40 {[%mdl 128] White has some attack.} f6 21. Bf4 $18 ({Worse is} 21. hxg5 fxe5 22. gxh6 Rxh6 $15) 21... Bd6 22. hxg5 (22. Qg4+ $1 $18 {is the precise move to win.} Kb7 23. Bxd6 (23. hxg5 Bxf4 24. Qxf4 hxg5 $16) 23... Rxd6 24. hxg5 hxg5 25. Ne4) 22... Bxf4 $16 23. Qg4+ {[%mdl 64] Double Attack} Rd7 $2 {[%mdl 8192]} ({Black should play} 23... Kb7 $1 $14 24. Qf3+ (24. Qxf4 hxg5 25. Qf3+ Kb8 $16) 24... Kc8) 24. Qxf4 $2 (24. Rd1 $18 {has better winning chances.} f5 25. Qxf4 Re8+ 26. Kf1 Rxd1+ 27. Bxd1) 24... Re8+ (24... hxg5 $16 25. Qf5 Kc7) 25. Kf1 $18 fxg5 (25... hxg5 {might work better.} 26. Qg4 Kc7) 26. Qf5 Kc7 27. Ne4 Bc8 {Threatens to win with ...Rd1+!} 28. Qg6 (28. Qf3 $18) 28... Re5 29. Re1 (29. f4 $142 gxf4 30. Rd1) 29... Rde7 {[%mdl 8192]} (29... Qb6 $16 {is more resistant.} 30. Qxb6+ axb6) 30. Qd6+ Kb7 {[#]} 31. Rg3 R7e6 (31... Rxe4 $2 32. Rxe4 Rd7 33. Qf8 $18) 32. Qd3 Qc7 33. Rge3 Kb8 34. Ng3 Qe7 35. Rxe5 Rxe5 36. Rxe5 Qxe5 37. Qe3 Qxb2 38. Qxc5 Qa1+ (38... Qc1+ $142 39. Kg2 Bb7+ 40. Kh2 Qf4) 39. Kg2 {Strongly threatening Qd6+.} Bb7+ {[#]} 40. Kh2 $1 {White wants to mate with Qd6+.} Qc3 $2 (40... a5 $18 41. Bc2 Qf6) 41. Qd6+ Kc8 42. c5 {[%cal Rb3e6]} Bf3 43. Be6+ Kb7 44. Nf5 Qc2 45. Bd5+ Bxd5 46. Qxd5+ Ka6 47. Kg2 Qe2 48. Ne3 (48. Nd6 $142 Qg4+ 49. Kf1 Qh3+ 50. Ke1 Qd7 51. c6 Qe7+ 52. Kd2 Qxd6 53. Qxd6) 48... g4 49. Qe6+ (49. Qc6+ $142 Ka5 50. Qd7) 49... Kb5 50. Qd7+ Kxc5 51. Qxa7+ Kb5 52. Qd7+ Kc5 (52... Ka5 $142 53. Qxg7 Qf3+ 54. Kg1 Qe4 55. Qxh6 g3 56. Qg5+ Ka4 57. Qxg3 Qb1+ 58. Kg2 Qxa2) 53. Qd5+ Kb6 54. Nc4+ Kc7 55. Qd6+ Kc8 56. Qc5+ (56. Qf8+ $142 Kd7 57. Qxg7+ Ke8 58. Qg6+ Kd8 59. Qf6+ Ke8 60. Qg6+ Ke7 61. Qd6+ Ke8 62. Qxb4) 56... Kd8 57. Qf8+ Kc7 (57... Qe8 $142 58. Qxb4 Qe4+ 59. Kg1 g3 60. fxg3 Qd4+ 61. Kg2 Qd5+ 62. Kf2 Qd4+ 63. Kf3 Qd1+ 64. Kf4 Qf1+ 65. Ke4 Qg2+ 66. Kd4 Qf2+ 67. Ke4 Qg2+ 68. Kf5 Qf2+ 69. Kg6 Qxg3+ 70. Kh7 Qd3+ 71. Kh8 Qd5) 58. Qxg7+ Kd8 59. Qd4+ Kc7 60. Ne5 (60. Qe5+ $142 Qxe5 61. Nxe5 h5 62. Kg3 Kd6 63. Nd3 Kd5 64. Nxb4+ Ke4 65. Kh4) 60... Qxa2 61. Qd7+ {White mates.} Kb6 62. Qc6+ Ka7 63. Qb5 Ka8 64. Nc6 {[%csl Gc6][%cal Rb5b8] White used his chance.  Weighted Error Value: White=0.42/Black=0.84} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "6.3"]
[White "Ezra Paul Chambers"]
[Black "Colas, Joshua"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2217"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,105,9,29,15,31,22,46,41,55,35,49,43,91,43,94,91,79,73,95,55,93,86,162,161,158,166,173,131,122,123,122,125,212,214,273,262,340,356,363,277,424,361,470,450,465,462,427,328,283,252,264,251,243,247,253,190,197,187,227,122,314,327,262,258,308,299,352,338,528,476,759,602,1366,1295,877,410,369,213,169,202,196,78,88,80,83,0,8,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. h3 dxe4 6. Nxe4 Nf6 7. Nxf6+ exf6 8. Bc4 O-O 9. O-O Nd7 {9...a5 might become the main line.} 10. Re1 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} a5 11. Bf1 Nb6 12. c4 {White is slightly better.} Be6 13. b3 {[#]} Qc7 $146 ({Predecessor:} 13... a4 14. Bf4 Re8 15. Qd2 h5 16. Rad1 axb3 17. axb3 Bf8 18. Be3 Ra3 19. Qb2 Nc8 {1-0 (29) Milliet,S (2397)-Matnadze,A (2384) Linares 2013}) 14. Be3 Rfd8 15. Qd2 g5 (15... Bf8 $14) 16. Bd3 Nc8 17. Qc2 h6 18. Bc1 Qd7 19. Ba3 b5 (19... a4 $16 {was worth a try.}) 20. d5 $1 $36 {[%mdl 2048] White is in control.} cxd5 21. cxb5 Nd6 22. Bxd6 Qxd6 23. Rad1 Rac8 24. Qb1 Qf4 {[#]} (24... f5 $16) 25. Nd4 $1 {[%mdl 512]} Re8 (25... Bd7 26. Bh7+) 26. Bh7+ Kh8 27. Bf5 Qd6 28. a4 Qb6 (28... Qd7 $142 29. Rc1 Bxf5 30. Rxe8+ {[%mdl 64] Overworked Piece} (30. Qxf5 Rxe1+ 31. Rxe1 Qxf5 $18) (30. Nxf5 Re5 $16) 30... Qxe8 31. Nxf5 Bf8) 29. Qd3 Bf8 30. Bxe6 {[%mdl 64] Overworked Piece} fxe6 31. Qg6 e5 32. Nf5 Qe6 33. Nxh6 Bxh6 34. Qxh6+ Kg8 35. Qg6+ Kf8 36. Qd3 d4 37. Rc1 Kg7 {[#]} 38. Qe4 (38. Rxc8 $1 $18 Qxc8 39. Qd2) 38... Rxc1 $2 (38... Red8 $16 {might work better.}) 39. Rxc1 $16 {[%mdl 4096] Endgame KQR-KQR} Re7 40. Qd3 Qd5 41. f3 Qd6 42. Rc6 Qb4 (42... Qd5 $142 43. Qc4 Qd7) 43. Kh2 Rf7 (43... Rd7 $142 44. Qf5 Rf7) 44. b6 $18 f5 45. Qe2 Re7 46. Rc7 (46. Qc2 $142 d3 47. Qxd3) 46... e4 47. fxe4 (47. Qc4 $142 {And now Qxb4 would win.} Qd6+ 48. g3) 47... Rxc7 48. bxc7 {KQ-KQ} Qd6+ 49. Kg1 (49. g3 $18 Qxc7 50. exf5) 49... Qxc7 $16 50. exf5 Qc1+ {[#]} 51. Qf1 ({White should play} 51. Kh2 $1 $16 {aiming for Qe5+.} Qf4+ 52. Kg1) 51... Qd2 $11 52. Qa6 {Strongly threatening Qg6+.} Qe3+ 53. Kf1 {Weighted Error Value: White=0.37/Black=0.32} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "6.4"]
[White "Cervantes Landeiro, Thalia"]
[Black "Martin Del Campo C., Roberto"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2258"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,25,42,39,41,45,110,120,125,118,129,100,208,192,198,207,206,202,197,206,205,194,187,172,224,234,235,234,232,214,214,214,216,217,217,172,162,187,207,165,172,178,169,137,165,133,150,130,131,123,123,123,123,123,123,123,123,123,131,142,384,373,697,648,757,743,705,578,1025,1031,1068,1065,989,954,1810,1046,29985,12831,29987,29988,29984,29985,29985,29986,29986,29987,29987,12843]} 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. d5 Bf5 5. e3 {[#]} a5 $146 ({Predecessor:} 5... g6 6. Nge2 Bg7 7. Ng3 Bc8 8. e4 O-O 9. Bd3 h5 10. Bg5 Qe8 11. Qe2 c5 12. O-O Na6 {0-1 (58) Cervantes Landeiro,T (2311)-Oberoi,S (2131) Charlotte 2020}) 6. f3 {A53: Old Indian Defence without Nf3.} e4 7. g4 Nxg4 8. fxg4 $16 {White is better.} Qh4+ 9. Kd2 Bxg4 10. Qe1 Qxe1+ (10... Qe7 $16 {was necessary.}) 11. Kxe1 $18 f5 12. Be2 Bxe2 13. Ngxe2 g6 14. Bd2 Na6 15. Nb5 Bg7 16. Bc3 ({Don't play} 16. Bxa5 $6 Bxb2 17. Rb1 Be5 $16) 16... Bxc3+ (16... Be5 $142 17. Nbd4 Nb4) 17. Nexc3 Kd7 18. Kd2 Nc5 19. Raf1 Nd3 20. b3 Ne5 21. Nd4 a4 22. Rc1 ({Don't do} 22. Nxa4 $6 Nxc4+ 23. Ke2 (23. bxc4 Rxa4 {[%mdl 64] Double Attack} 24. Rb1 Rxa2+ 25. Kc3 Rb8 $16) 23... Ne5 $16) 22... axb3 23. axb3 Ra3 24. Ra1 Rha8 25. Rxa3 Rxa3 26. h3 c6 27. dxc6+ bxc6 28. Kc2 Ke7 29. Rf1 Ra8 30. Rg1 Kf6 31. h4 Ra7 32. Rd1 {[#] Threatens to win with Nxc6!} Ra6 33. Rf1 Ng4 34. Kd2 Ke5 {This costs Black the game.} (34... Ke7 $16 35. h5 Ne5) 35. b4 c5 $2 {[#]} (35... Nh2 36. Rb1 Nf3+ 37. Nxf3+ exf3) 36. b5 $1 Ra3 (36... Ra8 37. Nc6+) 37. Nc6+ Ke6 38. Rb1 Nxe3 39. Kxe3 Rxc3+ {[%mdl 4096] Endgame KRN-KR} 40. Kd2 Ra3 41. b6 e3+ 42. Ke2 {Black must now prevent b7.} f4 43. b7 Ra2+ 44. Kf3 {White mates.} Kf5 45. Ne7+ Ke5 46. b8=Q Rf2+ 47. Kg4 Rg2+ 48. Kh3 {Weighted Error Value: White=0.11/Black=0.59} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "6.5"]
[White "Griffith, Kyron"]
[Black "Wang, Tianqi"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2346"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,70,-3,-4,-43,-47,-33,-23,-11,0,0,0,0,0,0,-18,0,20,-12,-10,-16,131,120,116,135,288,112,125,119,89,106,104,14,4,8,63,0,0,0,0,0,0,0,0,0,0,0,0,0,16,20,29,17,14,21,21]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 Qa5 10. Bc4 {B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines.} Bxe5 11. O-O Nh6 $1 {[%mdl 4] is now more promising than 11...Nf6.} 12. Re1 {Black has an edge.} f6 13. Bxe5 fxe5 14. Qd2 Nf5 15. Rad1 d6 16. Kh1 Rb8 17. Bb3 Rf8 {[#]} 18. f4 $146 ({Predecessor:} 18. f3 Rb7 19. Qg5 Qb6 20. Ne4 a5 21. c3 d5 22. Ng3 Qc7 23. Rd2 e6 24. Rde2 Nxg3+ 25. Qxg3 e4 26. fxe4 Qxg3 27. hxg3 Kd8 28. Kg1 {½-½ (28) Codigone,M-Penades Ordaz,V (2425) ICCF email 2009}) 18... Qc5 {[#]} (18... exf4 $11 19. Qxf4 Rb7) 19. Rxe5 $3 $16 {[%mdl 512]} Qb6 20. Ree1 {g4 is the strong threat.} Rb7 $2 (20... d5 $16) 21. Ne4 $2 (21. g4 $18) 21... d5 {[#]} 22. Ng5 h6 23. Nf3 Nd6 {[#]} 24. Ne5 (24. c4 $1 $16) 24... Ne4 $1 $36 {[%cal Re4d2][%mdl 2048] [#] Black has some pressure.} 25. Rxe4 dxe4 26. Ba4 (26. Nxg6 $2 Rd7 $19) (26. Qe2 $1 $14) 26... Rf6 27. Qd5 {White threatens Qg8+ and mate.} Kf8 28. Qd8+ (28. Qxe4 Qb4 $17) 28... Qxd8 29. Rxd8+ Kg7 30. Rxc8 e3 31. g3 $1 {aiming for Kg2.} ({Not} 31. Bxc6 $2 Rxb2 32. h3 e2 $19) ({Don't go for} 31. Nxc6 $2 e2 $19) ({Avoid the trap} 31. Rxc6 $2 Rxf4 32. g3 (32. Rxg6+ $2 Kh7 $19) 32... Rxa4 $19) 31... e2 32. Nf3 Re6 33. Ne1 Rxb2 {Strongly threatening ...Rb1.} 34. Kg2 {Hoping for Bb3.} Rb1 35. Kf2 {Black must now prevent Bb3.} Rd6 $1 {[%cal Rd6d1] Weighted Error Value: White=0.22/Black=0.19} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "7.1"]
[White "Matros, Alexander"]
[Black "Vivekananthan, Anish"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2405"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,145,20,8,10,22,18,18,13,27,14,20,22,22,14,24,16,35,42,52,41,49,47,46,22,33,37,36,4,36,31,72,65,66,24,172,164,171,164,150,159,165,171,162,154,196,191,230,219,229,162,164,162,165,129,129,130,130,131,139,131,117,109,148,140,139,121,105,103,145,137,142,144,151,145,188,138,141,136,144,0,137,137,162,151,297,334,445,439,566,562,542,529,540,530,521,513,502,512,497,479,500,496,443,476,475,469,693,657,676,689,693,688,678,622,603,600,592,592,29983,29984,29985,29986,29986,29987,29987,29987,29987,29983,29986,29983,29983,29984,29984,29985,29986,29987,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3 a6 5. d4 exd4 6. Nxd4 {C47: Scotch Four Knights and Four Knights with 4 g3.} Bb4 7. Nxc6 bxc6 8. Bd3 {The position is equal.} O-O 9. O-O d5 10. exd5 cxd5 11. Qf3 c6 {[#]} 12. Bg5 $146 ({Predecessor:} 12. Ne2 Re8 13. Bg5 h6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. Ng3 Be6 17. Nh5 Be7 18. Rfe1 {½-½ (40) Belyakov,B (2458)-Makarian,R (2441) Sochi 2020}) 12... Be7 13. Rfe1 Re8 14. Re2 h6 15. Bh4 Be6 16. Rae1 Nd7 17. Bxe7 Qxe7 18. b3 Qb4 19. Na4 Reb8 20. Qg3 Nf6 21. Qc7 {next c3 is good for White.} a5 (21... Rb7 $1 $11 22. Qe5 (22. Qxc6 Bd7 $11) 22... c5) 22. c3 $18 ({Of course not} 22. Qxc6 $6 Bd7 $11) 22... Qb7 {[#]} 23. Qxb7 Rxb7 24. Nc5 {[%mdl 64] Double Attack} Rc7 25. Nxe6 fxe6 26. Rxe6 c5 27. Re7 Rxe7 28. Rxe7 {[%mdl 4096] Endgame KRB-KRN} a4 29. Rc7 axb3 30. axb3 Ra3 31. Rxc5 Rxb3 32. Bg6 {[#] White threatens Rc8+ and mate.} Kf8 33. Rc7 Ra3 34. g3 Ra4 35. Kf1 Ra2 36. Kg2 Ra3 37. g4 Ra4 38. Kf3 Ra2 39. Rf7+ Kg8 40. Rb7 Kf8 41. Ke3 Ra4 42. Rf7+ Kg8 43. Rc7 {Intending Rc8+ and mate.} Kf8 44. Kf3 Ra2 $1 45. Kg3 {White leaves nothing to chance now.} Ra4 46. f3 Ra2 (46... Ra6 $16 47. h4 d4) 47. h4 Ra8 48. g5 hxg5 49. hxg5 Ne8 50. Rf7+ Kg8 51. Rd7 Kf8 52. Rxd5 Nc7 53. Rd7 Ne6 54. Rf7+ Kg8 55. Rf5 Nd8 56. Re5 {[%cal Re5e8]} Nf7 57. Rc5 Nd8 (57... Nd6 $142 58. Rc6 Rd8) 58. Be4 Rb8 59. Bd5+ Kf8 60. Rc7 Rb6 61. Kg4 Rd6 62. c4 g6 63. f4 {aiming for f5.} Rb6 64. f5 {White mates.} gxf5+ 65. Kxf5 Rb1 66. g6 Rg1 67. Kf6 Rf1+ 68. Ke5 Rg1 69. g7+ Rxg7 70. Rxg7 Kxg7 71. Kd6 Nf7+ 72. Bxf7 Kxf7 73. Kd7 {Weighted Error Value: White=0.08/Black=0.22} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "7.2"]
[White "Martin Del Campo C., Roberto"]
[Black "Griffith, Kyron"]
[Result "1/2-1/2"]
[WhiteElo "2296"]
[BlackElo "2346"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,12,24,20,20]} 1. e4 {[%emt 1:30:30]} c6 {[%emt 1:30:30]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. exd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 4. c4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 6. Nf3 {[%emt 0:00:30]} Be7 $11 {[%emt 0:00:30]} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "7.3"]
[White "Andrianov, Nikolai"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2384"]
[BlackElo "2258"]
[Annotator "TA"]
[PlyCount "196"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,196,20,11,26,-17,-27,-27,-23,-31,-7,0,46,20,18,0,12,0,0,-7,0,-15,0,-44,-48,-32,-10,-34,-13,-43,8,-27,-25,-34,-9,-20,16,18,7,0,0,0,-8,-7,0,0,0,0,0,0,0,0,8,8,61,54,54,60,54,54,54,55,265,50,50,44,50,50,43,27,110,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,57,50,52,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,50,57,8,43,8,26,8,43,43,43,0,8,0,0,0,0,0,0,0,0,0,0,0,57,57,64,57,57,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Nc6 8. e3 O-O 9. Nc3 Re8 10. h3 $1 {[%mdl 4] is recently more successful than 10.Re1.} a5 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} 11. a3 a4 12. d5 {[#]} Na5 $146 {Black has an edge.} ({Predecessor:} 12... Bxc3 13. dxc6 Bg7 14. Qc2 bxc6 15. Nd4 Bxd4 16. exd4 Bd7 17. Bd2 Qc8 18. Kh2 Qa6 {0-1 (35) Arsovic,G (2368)-Djukic,N (2561) Jahorina 2018}) 13. Nxa4 Nxd5 14. Qc2 Nf6 {Strongly threatening ...Bf5.} 15. e4 e5 16. Rd1 Qe7 17. b4 Nc6 18. Bg5 h6 19. Bxf6 Bxf6 20. Nc5 Bg7 21. Nd3 f5 22. Nc5 (22. b5 $5 {[%cal Rb5c6]} fxe4 23. bxc6 $11) 22... Kh7 23. Re1 Qf7 (23... f4 $15) 24. Qb3 Qxb3 25. Nxb3 fxe4 26. Nh4 Ne7 {[%cal Bc6e7,Be7d5,Bd5c3][%mdl 32]} 27. Bxe4 c6 28. g4 Bf6 29. Nf3 Nd5 30. b5 Nc3 31. bxc6 Nxe4 32. Rxe4 bxc6 33. Nc5 Ra5 34. Rc4 e4 35. Re1 Rxa3 (35... e3 $11) 36. Nxe4 $14 {[%mdl 64] [#] Discovered Attack} Rf8 37. Nxf6+ Rxf6 38. Re7+ Kg8 39. Ne5 {Hoping for Rd4.} Rxh3 $2 {[#]} (39... Ra1+ $14 40. Kg2 g5) 40. Re8+ $2 ({White has to play} 40. Rd4 $1 $18) 40... Rf8 41. Rxf8+ Kxf8 42. Nxg6+ {[%mdl 4096] Endgame KRB-KRN} Ke8 43. Ne5 Rh4 (43... h5 $11 {keeps the balance.}) 44. f3 (44. Re4 $16 Kd8 45. Kg2 (45. Nxc6+ Kc7 $16)) 44... h5 $1 45. Rxc6 Bxg4 46. fxg4 hxg4 {KRN-KR} 47. Kg2 Rh3 48. Nxg4 Ra3 49. Rc7 Kd8 50. Rh7 Kc8 51. Kf2 (51. Ne5 {keeps more tension.} Rb3 52. Nc4 Kd8 53. Na5 Ra3 54. Nc6+) 51... Rc3 52. Ne3 Rc7 53. Rh8+ Kb7 54. Kf3 Re7 55. Nf5 Re6 56. Kf4 Re1 57. Ne3 (57. Rd8 {with more complications.} Kc6 58. Rd3 Rg1 59. Ne3 Ra1 60. Kf5) 57... Kc6 58. Ke4 Kc5 59. Rh5+ Kd6 60. Kd4 Ke6 61. Rh6+ Kf7 62. Ke4 Ke7 63. Ra6 Kd7 64. Kd4 Ke7 65. Nd5+ Kf7 66. Rf6+ Kg7 67. Rf3 (67. Rb6 {is interesting.} Re2 68. Ra6 Rd2+ 69. Ke4 Re2+ 70. Kf4) 67... Re6 68. Nf4 Re1 (68... Re8 {feels hotter.} 69. Rg3+ Kf6 70. Nh5+ Kf5 71. Ng7+ Kf4) 69. Kd5 Ra1 70. Ke5 Ra5+ 71. Nd5 Kg6 72. Rf2 Kg5 73. Rg2+ (73. Rf1 {is interesting.} Kg4 74. Rf4+ Kh3 75. Kd6 Ra3 76. Kc7) 73... Kh4 74. Rg8 (74. Ke6 {looks sharper.} Ra6+ 75. Kf5 Ra5 76. Ke5 Rc5 77. Ke4) 74... Kh3 75. Ke4 Kh4 76. Rg1 Kh5 77. Nf4+ Kh6 (77... Kh4 $11) 78. Rg2 Kh7 79. Nd3 Kh6 80. Ne5 Kh5 {The position is equal.} 81. Kf5 {[%cal Rg2h2]} Kh4 82. Rg7 (82. Rh2+ {with more complications.} Kg3 83. Rh6 Ra7 84. Rg6+ Kf2 85. Nd3+) 82... Kh3 83. Rg8 Kh2 84. Ke4 (84. Kf6 {with more complications.} Ra6+ 85. Kg7 Ra7+ 86. Kh6 Ra3 87. Rg6) 84... Ra4+ 85. Ke3 Ra3+ 86. Kf4 {White threatens Nf3+ and mate.} (86. Nd3 {is interesting.} Kh3 87. Ke4 Ra4+ 88. Ke3 Ra3) 86... Ra4+ 87. Kf5 Ra5 (87... Rb4 {is more complex.} 88. Nc6 Rc4 89. Rg6 Rc3 90. Kf4 Rc4+) 88. Rg7 (88. Kf6 {feels hotter.} Ra6+ 89. Kg7 Ra7+ 90. Kh6 Ra3 91. Rg6) 88... Kh3 89. Rg6 Kh2 90. Ke4 (90. Kf6 {seems wilder.} Ra4 91. Nf3+ Kh3 92. Ng1+ Kh4 93. Nf3+) 90... Ra4+ 91. Ke3 Ra3+ 92. Kf4 {White wants to mate with Nf3+.} (92. Kd2 {keeps more tension.} Kh3 93. Rg5 Ra8 94. Ke3 Ra4 95. Kf2) 92... Ra4+ 93. Kf5 Ra5 94. Rg5 (94. Ke6 {with more complications.} Ra3 95. Rg8 Ra6+ 96. Kf7 Kh3 97. Nd3) 94... Kh3 95. Kg6 $1 Ra8 96. Kf5 Ra5 97. Ke4 Ra4+ 98. Ke3 Ra3+ {Weighted Error Value: White=0.12/Black=0.19} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.17"]
[Round "7.4"]
[White "Wang, Tianqi"]
[Black "Ezra Paul Chambers"]
[Result "1/2-1/2"]
[WhiteElo "2256"]
[BlackElo "2217"]
[Annotator "NA RC"]
[PlyCount "9"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,9,18,22]} 1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Bb5 {[%emt 0:00:30]} Nd4 {[%emt 0:00:30]} 4. Nf3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 5. O-O $11 {[%emt 0:00:30]} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "7.5"]
[White "Colas, Joshua"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2288"]
[BlackElo "2180"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,13,20,15,25,18,27,32,0,0,0,31,20,73,21,112,92,129,114,120,87,168,133,176,180,174,185,191,198,435,422,504,485,506,499,489,449,451,438,408,380,479,468,478,299,292,291,481,474,648,608,1318,1309,1284,1290,29987,29983,29988,29984,29984,29984,29985,29985,29994,29995,29997,29991,29991,29992,29992,29993]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 d6 5. d4 Bg4 6. d5 Nd4 7. Be3 {7.Be2 is the fancy move.} Nxf3+ {A28: English Opening: Four Knights Variation.} 8. gxf3 Bd7 9. Qd2 g6 {White has an edge.} 10. Bd3 Nh5 11. O-O-O {[#]} Be7 $146 ({Predecessor:} 11... Bg7 12. Ne2 Qf6 13. f4 Nxf4 14. Nxf4 exf4 15. Bxf4 Qe7 16. Rde1 O-O-O 17. Bg5 Bf6 18. Bxf6 Qxf6 {½-½ (23) Hatchett,P (1987)-Jameson,D (2103) Cardiff 2016}) 12. Ne2 h6 (12... O-O $11 {keeps the balance.}) 13. Rdg1 ({Wrong is} 13. Bxh6 $2 Rxh6 $1 {[%mdl 512]} 14. Rhg1 Bf8 $19) (13. f4 $16) 13... Bh4 (13... Bg5 $11 {remains equal.}) 14. f4 $1 $16 {White stays focused until the end.} Qe7 15. fxe5 $1 dxe5 16. f4 Bf6 (16... exf4 $16 17. Nxf4 Nxf4 18. Bxf4 Bg5) 17. fxe5 Qxe5 18. Bd4 Qe7 19. Qc3 O-O-O {[#]} 20. e5 $1 {[%cal Re5f6]} Bg5+ (20... Bg7 {was worth a try.} 21. c5 c6) 21. Kb1 $18 Bf5 22. Bxf5+ gxf5 23. Qf3 {[%mdl 64] Double Attack} f6 24. Qxh5 fxe5 25. Bc3 Rhf8 26. Rf1 Qc5 27. h4 Be3 28. Rxf5 Qxc4 {( -> ...Qe4+!)} 29. Rxe5 Qd3+ (29... Rxd5 {keeps fighting.} 30. Ng3 (30. Re8+ $2 Kd7 $19) 30... Rxe5 31. Bxe5 a6) 30. Ka1 Rf2 31. Nc1 Rf1 32. Qg4+ Kb8 {[#]} 33. Qd7 $3 {[%cal Rd7d8][%mdl 512]} a6 (33... Rff8 34. Qxd8+) 34. Qxd8+ {White mates.} Ka7 35. Rxf1 Qxf1 {[#]} 36. a3 $1 Qxc1+ (36... Bg1 37. Re1) 37. Ka2 Bd2 38. Qxc7 Be3 39. Bd4+ {[%mdl 64] Deflection} Bxd4 40. Qxc1 Bxe5 41. Qe3+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.19/Black=0.65} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "8.1"]
[White "Vivekananthan, Anish"]
[Black "Colas, Joshua"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2326"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "187"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,187,5,22,22,48,39,51,47,50,59,77,75,93,89,82,54,89,74,80,85,85,79,76,81,69,69,69,74,77,75,73,60,67,45,37,0,60,64,60,58,70,62,97,97,103,67,108,108,120,115,125,100,100,96,100,100,108,108,109,108,111,116,116,68,124,124,124,124,124,130,131,122,116,110,110,115,100,115,153,70,64,64,64,64,64,64,112,112,120,120,120,89,98,98,108,88,88,63,88,88,88,88,88,63,81,77,88,63,88,73,81,81,88,67,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,88,81,81,61,88,88,88,88,88,88,88,88,88,89,81,0,88,88,103,103,103,88,89,0,103,103,106,103,103,103,103,103,103,103,150,125,314,103,103,26,26,26,26,0,0,0,0,0]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. Be2 e6 5. O-O Nd7 6. d4 {B11: Caro-Kann: Two Knights Variation.} Ne7 {[#]} 7. h3 $146 ({Predecessor:} 7. Ne5 Bxe2 8. Qxe2 Nxe5 9. dxe5 d4 10. Nd1 c5 11. f4 Nc6 12. Nf2 Be7 13. c4 dxc3 14. bxc3 {1-0 (48) Chernomordik,P (2177)-De Borba,G (2279) Chess.com INT 2020}) 7... Bxf3 8. Bxf3 {White is slightly better.} g6 9. Re1 Nb6 10. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bg7 11. a5 Nbc8 {[%cal Bb6c8,Bc8d6,Bd6f5][%mdl 32]} 12. Ne2 a6 13. c3 O-O 14. Nf4 dxe4 15. Bxe4 Nd6 16. Bf3 Nd5 17. Nd3 Re8 18. g3 Qc7 19. Qb3 Nf5 20. Kg2 Bf8 21. Be4 Nd6 22. Bf3 Nf5 $1 23. Qc2 Bd6 {[%cal Rd6g3] White should prevent ...Bxg3!} 24. Kh1 Qd8 25. Bg2 Qf6 26. Bd2 Rac8 27. b4 h5 28. h4 Qg7 29. Rad1 Nf6 30. Bf3 Nd7 31. Kg2 Bc7 32. Re2 Re7 33. Rde1 Rce8 34. Qa2 Kh7 35. Bg5 f6 36. Bf4 Bxf4 ({Black should play} 36... e5 $1 $14 37. dxe5 Nxe5 38. Nxe5 Bxe5) 37. Nxf4 $16 {[%cal Re2e6]} e5 38. dxe5 fxe5 39. Nh3 Qg8 40. Ng5+ Kg7 41. Qc2 Nf6 42. Be4 Nxe4 43. Nxe4 Qc4 44. Qa2 (44. Rd1 $16) 44... Ne3+ $14 45. Kg1 Qxe4 {[%csl Ge3][%cal Re4g2]} 46. Rxe3 Qd5 47. Qe2 Qf7 48. Re4 Qf5 49. c4 Re6 50. b5 cxb5 51. cxb5 axb5 52. Qxb5 R8e7 53. Qd5 Rf6 54. Qc5 Rfe6 55. Kg2 Qf6 56. R1e2 Rc6 57. Qb5 {[%cal Re4e5]} Rce6 58. Qb2 Kh7 59. R2e3 Qh8 60. Kg1 Qb8 61. Qb5 Qd6 62. Rd3 Qa6 63. Rd5 Kg7 64. Qb2 Qc6 65. Rdxe5 Rxe5 66. Rxe5 Rxe5 67. Qxe5+ $16 {[%mdl 4096] Endgame KQ-KQ} Kg8 68. Kf1 Qc1+ 69. Ke2 Qc4+ 70. Ke3 Qc1+ 71. Kd3 Qd1+ 72. Ke4 Qc2+ 73. Kd5 Qc6+ 74. Kd4 {aiming for Qd5+.} Qa4+ 75. Ke3 {Qb8+ is the strong threat.} Qa3+ 76. Kf4 Qc1+ 77. Qe3 Qc7+ 78. Qe5 Qc1+ 79. Kf3 {And now Qb8+ would win.} Qc6+ {[#]} 80. Qe4 $1 {[%cal Re4c6] Black must now prevent Qxc6.} Qf6+ 81. Ke2 Qa6+ 82. Kf3 Qf6+ $1 83. Kg2 Qa6 84. f3 Kg7 85. Qe5+ Kh7 86. g4 hxg4 87. fxg4 Qc6+ 88. Kg3 Qh1 $2 {[#]} (88... b5 $16 89. Qe7+ Kg8) 89. Qe7+ $2 (89. h5 $1 $18 {Threatens to win with Qe7+.} Qg1+ 90. Kh4 Qh1+ 91. Kg5 gxh5 92. gxh5) 89... Kg8 90. Kf4 (90. Qe3 $16) 90... Qc1+ $1 $11 91. Qe3 Qc7+ $1 92. Qe5 Qc1+ $1 93. Ke4 {Hoping for Qb8+.} Qe1+ 94. Kf4 {Weighted Error Value: White=0.09/Black=0.09} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "8.2"]
[White "Ezra Paul Chambers"]
[Black "Oberoi, Shelev"]
[Result "0-1"]
[ECO "C72"]
[WhiteElo "2217"]
[BlackElo "2180"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,66,36,41,46,17,11,8,23,12,32,33,18,40,41,37,34,41,53,47,94,87,119,113,140,112,113,119,118,106,105,93,86,74,74,74,74,74,77,49,56,-5,-5,-5,-7,-53,-52,-170,-140,-158,-151,-148,-133,-212,-212,-197,-77,-2459,-2532]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 g5 {[#] C72: Ruy Lopez: Deferred Steinitz: 5 0-0.} 7. Ne1 $146 ({Predecessor:} 7. d4 g4 8. d5 gxf3 9. dxc6 bxc6 10. Qxf3 Nf6 11. Nd2 Rg8 12. Nc4 Rg6 13. b4 Bg7 14. Na5 {0-1 (31) Moussard,J (2608)-Gareyev,T (2607) Cappelle la Grande 2020}) 7... Bg7 8. Nc2 h6 {The position is equal.} 9. d4 Nf6 10. d5 Ne7 11. Bxd7+ Qxd7 12. f3 Nh5 13. c4 Nf4 14. Nc3 c5 15. a4 b6 16. Ne3 h5 17. Rb1 a5 18. g3 Nfg6 19. Qb3 Rb8 20. Qb5 Qxb5 21. cxb5 Kd7 22. Nc4 Bh6 23. Bd2 Kc7 24. Ne2 Rbf8 25. g4 ({Better is} 25. Rbd1 $14) 25... hxg4 $11 26. fxg4 Nf4 27. Nxf4 gxf4 28. Be1 (28. h3 $15) 28... Rfg8 29. h3 {[#]} f5 $1 {[%cal Rf5e4]} 30. exf5 Nxf5 31. Bd2 (31. Bc3 $17) 31... Bf8 $19 32. Kg2 f3+ (32... Rh7 $19 33. Rbc1 Ng3) 33. Kh2 $2 {[%mdl 8192] [#]} (33. Kf2 $17 Nd4 34. Rh1) 33... Rxh3+ $1 {[%mdl 512] Weighted Error Value: White=0.33/Black=0.10} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "8.3"]
[White "Cervantes Landeiro, Thalia"]
[Black "Matros, Alexander"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2258"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,23,19,33,32,31,27,28,39,49,41,31,45,37,43,30,32,31,39,5,20,0,0,0,0,0,10,-100,-89,-112,-93,-89,-82,-93,-14,-4,0,-43,0,0,0,0,0,-90,201,0,0,0,256,-95,0,-6,-19,-25,0,0,58,64,66,45,58,56,67,61,61,75,61,0,0,0,39,37,37,0,146,146,149,149,149,149,141,107,202,195,192,189,238,234,236,237,259,266,400,394,12832,229,29975,29976,29973,29974,29990,29991,29991,29992,29992,29993]} 1. d4 d6 2. c4 e5 3. d5 a5 4. Nc3 g6 5. e4 Na6 6. Bd3 {A41: 1 d4 d6: Tartakower System and Modern Defence.} Bh6 7. Bxh6 Nxh6 8. Qd2 {White has an edge.} Nc5 9. Bc2 Ng4 10. f3 Nf6 11. Nge2 {[#]} h5 $146 ({Predecessor:} 11... Bd7 12. O-O-O h5 13. h4 Kf8 14. Ng3 Kg7 15. Nf1 Qb8 16. Ne3 b5 17. cxb5 Bxb5 {0-1 (43) Soffer,R (2515)-Rechlis,G (2507) Ramat Aviv 2000}) 12. h4 Kf8 13. b3 Kg7 14. a3 c6 15. Rd1 cxd5 16. Nxd5 Nxd5 17. Qxd5 Ra6 18. b4 (18. Qd2 $11 {keeps the balance.}) 18... axb4 19. axb4 {[#]} Be6 $1 20. Qd2 Nd7 21. Bd3 Ra3 (21... Rc6 $17 22. Kf2 Qb6+ 23. Kg3 Ra8) 22. Qb2 $36 {[%mdl 2048] White is more active.} Qa8 {Hoping for ...Ra2.} 23. O-O (23. Nf4 $5) 23... Qa7+ 24. Kh1 Ra2 25. Qc1 Ra4 26. c5 (26. Ng3 $11) 26... Rc8 $2 {[%mdl 8192]} ({Worse is} 26... dxc5 27. Bb5 $16) (26... Rxb4 $17 {stays on course.} 27. cxd6 Qc5) 27. Qd2 $2 (27. Bb5 $1 $18) 27... Ra2 (27... dxc5 $5 28. Bb5 $8 Ra2 $1 $11) 28. Qg5 {aiming for Ng3.} dxc5 $2 {[%mdl 8192] [#]} (28... f6 $11 {and Black has nothing to worry.} 29. Qc1 Ra4) 29. Nc3 $2 ({Only move:} 29. Ng3 $1 $18 {[%cal Rg3h5]} Qb6 30. Nf5+ Bxf5 31. exf5) 29... c4 (29... f6 $17 30. Qg3 cxb4 31. Nxa2 Qxa2) 30. Nxa2 $11 Qxa2 31. Bb1 Qa4 32. Qe7 Qb5 (32... c3 $11) 33. Rd6 $1 $14 {[%cal Rd6e6]} Nf8 34. Rc1 Re8 35. Qc7 Qxb4 36. Rb6 {[%mdl 64] Double Attack, Discovered Attack} Qd2 37. Qxe5+ Kg8 38. Qb2 (38. Qg5 $14 Qd7 39. Bc2) 38... Qf4 $11 39. Rd1 Nd7 40. Rxb7 Nc5 41. Qb5 Qxh4+ (41... Rc8 $1 $11 {remains equal.} 42. Rb6 Kh7) 42. Kg1 $16 Rc8 43. Rb8 Rxb8 44. Qxb8+ Kh7 45. Qd6 Nd7 {[#]} (45... Nb3 $16) 46. Ba2 $1 $18 Nf6 47. Qd4 Qg5 48. Bxc4 Bxc4 49. Qxc4 {[%mdl 4096] Endgame KQR-KQN} Kg7 50. Qc3 h4 (50... Kh7 $142 51. Rd6 Ng8) 51. e5 Nh5 $2 (51... Ne8 52. e6+ Qf6 53. exf7 Kxf7 54. Rd7+ Kg8 55. Qc4+ Kf8) 52. e6+ $2 (52. Rd7 {Threatening mate with e6+.} Kh6 53. e6) 52... f6 $2 (52... Qf6 $18 53. Qxf6+ Kxf6 54. exf7 Kxf7 55. Rd7+ Ke6) 53. Rd7+ {White mates.} Kh6 54. e7 Nf4 55. Qd2 Qc5+ 56. Kh1 Qe5 57. e8=Q {Weighted Error Value: White=0.33/Black=0.45} 1-0

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "8.4"]
[White "Griffith, Kyron"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[WhiteElo "2346"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,17,24,24,24,25]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be6 8. Be3 d5 {B56: Classical Sicilian: Unusual Lines.} 9. exd5 {[#] An uneventful encounter. Not enough moves} {Predecessor:} Nxd5 $146 10. Nxd5 Qxd5 11. Qxd5 Bxd5 12. O-O-O O-O-O 13. Bb5 a6 14. Bxc6 Bxc6 15. Bb6 Rxd1+ 16. Rxd1 Be7 17. Na5 {½-½ (17) Perez Ponsa,F (2554)-Pichot,A (2562) Buenos Aires 2018} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "8.5"]
[White "Wang, Tianqi"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2256"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,20,14,21,24,30,14,26,26,13,23,41,-13,-18]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 a6 6. Nc3 {B23: Closed Sicilian: Lines without g3.} d6 7. d4 cxd4 8. Qxd4 e5 9. Qb4 Ne7 {[#]} 10. Bg5 $146 (10. Be3 $14) ({Predecessor:} 10. Be3 Nc6 11. Qb6 Qxb6 12. Bxb6 Be6 13. O-O-O Be7 14. Rd2 Rc8 15. a3 O-O 16. Nd5 Bxd5 17. Rxd5 {1-0 (48) Jones,G (2670)-Munkhzul,T (2278) chess.com INT 2020}) 10... f6 {A rather calm draw.  Weighted Error Value: White=0.28/Black=0.05} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.19"]
[Round "9.1"]
[White "Oberoi, Shelev"]
[Black "Vivekananthan, Anish"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2180"]
[BlackElo "2326"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,14,16,15,16,12,33,28,24,7,9,8,28,0,0,0,0,0,0,0,0,0,0,-29,-39,-27,-10,-33,-12,-44,-42,-49,-49,-51,-50,-52,-58,-65,-64,-103,-55,-57,-64,-204,-199,-210,-199,-208,-205,-230,-202,-198,-207,-411,-277,-471,-305,-306,-260,-6430,-6430,-5469,-5465,-29992,-29993,-29994,-1139]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 Nf6 6. O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Be7 7. c3 {7.Re1 is setting a new trend.} Bg4 8. Bc2 {White is slightly better.} O-O 9. h3 Bh5 10. d4 c6 {[#]} 11. g4 $146 ({Predecessor:} 11. Re1 Na6 12. Nbd2 Qd7 13. Nf1 Rae8 14. Ng3 Bg6 15. Bxg6 hxg6 16. Qb3 Bd8 17. Bg5 {½-½ (39) Mamedov,R (2704)-Giri,A (2777) Shamkir 2018}) 11... Bg6 12. Bxg6 hxg6 13. Bf4 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 14. Re1 Re8 15. Nbd2 Nf8 16. Qb3 Qd7 17. Bg3 Ne6 18. Kh2 Rad8 (18... d5 {is more complex.} 19. Ne5 Qc8 20. Re3 Bd6 21. Rae1 c5) 19. Ne4 d5 20. Nxf6+ gxf6 21. Qc2 Bd6 22. Qd2 Kg7 23. Kg2 Qc7 24. g5 {White wants to play gxf6+.} fxg5 25. Nxg5 Nf4+ 26. Kf1 {This move loses the game for White.} ({Only move:} 26. Kf3 $1 $15 Nh5 27. Rxe8 Rxe8 28. Re1 Bxg3 29. Rxe8) 26... f6 $19 27. Nf3 Nxh3 28. Rxe8 Rxe8 29. Re1 Re4 30. Rxe4 dxe4 31. Ne5 $2 {[#]} (31. Bxd6 Qxd6 32. Ng1) 31... Qc8 ({Not} 31... Bxe5 32. dxe5 fxe5 33. Kg2 $17) 32. Nf7 $2 (32. Nc4 Bxg3 33. fxg3) 32... Kxf7 ({Less strong is} 32... Bxg3 33. Qh6+ Kxf7 34. Qh7+ Ke6 35. Qxh3+ f5 36. Qxg3 $15) 33. Bxd6 Ng5 34. Qf4 $2 (34. Qe3) 34... Qh3+ 35. Ke1 Qd3 {[#] ( -> ...Nf3+)} 36. f3 e3 37. Qg3 Qd2+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.64/Black=0.18} 0-1

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "9.2"]
[White "Andrianov, Nikolai"]
[Black "Wang, Tianqi"]
[Result "1/2-1/2"]
[WhiteElo "2384"]
[BlackElo "2256"]
[Annotator "NA RC"]
[PlyCount "9"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,9,17,8]} 1. d4 {[%emt 1:30:30]} Nf6 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 5. Nc3 $11 {[%emt 0:00:30]} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "9.3"]
[White "Matros, Alexander"]
[Black "Griffith, Kyron"]
[Result "1/2-1/2"]
[WhiteElo "2405"]
[BlackElo "2346"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,12,20,19,14]} 1. e4 {[%emt 1:30:30]} c6 {[%emt 1:30:30]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. exd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 4. Bf4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 5. c3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 6. Nd2 {[%emt 0:00:30]} Bh6 $11 {[%emt 0:00:30]} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.19"]
[Round "9.4"]
[White "Colas, Joshua"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2288"]
[BlackElo "2258"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,10,8,6,8,0,17,12,16,-8,-5,-8,-2,-8,12,0,30,14,16,17,29,-18,58,-20,70,68,87,47,46,39,93,93,93,0,0,0,0,-139,-109,-124,-132,-132,-132,-135,-121,-437,-433,-422,-146,-146,-160,-131,-126,-116,-124,-114,-112,-173,-87,-138,-27,-199,-198,-190,-181,-160,-112,-122,-120,-98,-66,-75,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. d4 exd4 5. exd4 d5 6. Nf3 {A01: Nimzowitsch-Larsen Opening.} Nf6 7. Be2 Be7 8. O-O O-O 9. Ne5 Nxe5 10. dxe5 Ne4 11. Nd2 {[#]} Nc5 $146 ({Predecessor:} 11... Bf5 12. Nxe4 Bxe4 13. Bf3 Bxf3 14. Qxf3 c6 15. Rad1 Qc8 16. Rfe1 Qe6 17. Qd3 Bg5 {0-1 (23) Bui T Mai,T-Nguyen,T Ho Chi Minh City 1999}) 12. f4 f6 13. c4 fxe5 14. Bxe5 Be6 15. Qc2 Nd7 (15... d4 $11 16. Bd3 Nxd3 17. Qxd3 Bf5) 16. Bd3 (16. cxd5 $14 Bxd5 17. Bxc7) 16... Bc5+ (16... Nxe5 $11 17. fxe5 (17. Bxh7+ Kh8 $15) 17... dxc4 18. Bxh7+ Kh8) 17. Kh1 $14 Nxe5 18. Bxh7+ Kh8 {Strongly threatening ...Ng4.} 19. fxe5 {aiming for cxd5.} Qh4 ({Black should play} 19... dxc4 $14 20. Nxc4 Qd4) 20. cxd5 Bd4 21. Rae1 Bxd5 22. Bf5 {And now e6 would win.} g6 $1 $40 {[%mdl 128] Black mounts an attack.} 23. Bxg6 {[#]} (23. Be4 $1 $11 Rxf1+ 24. Rxf1 Bxe5 25. h3 Bxe4 26. Nxe4) 23... Bxg2+ $1 $17 {[%mdl 512]} 24. Kxg2 Rf2+ 25. Rxf2 Qxf2+ {[%mdl 64] Double Attack} 26. Kh3 Qxe1 27. Qxc7 $2 {[%mdl 8192]} (27. Nf3 $17 {is a better chance.} Qf1+ 28. Qg2 Qxg2+ 29. Kxg2) 27... Qe3+ $19 28. Kg4 {[%csl Gg6][%cal Rc7h7]} Qg1+ $2 ({Inferior is} 28... Rg8 29. Qh7#) (28... Qh6 $1 $19 {[%cal Rh6g6] is more deadly.} 29. Qh7+ Qxh7 30. Bxh7 Kxh7) 29. Kf5 $17 {[%csl Gg6][%cal Rc7h7] [#]} Rf8+ $1 30. Ke4 {[%csl Gg6][%cal Rc7h7]} Qg2+ (30... Qxh2 $2 31. Nf3) 31. Kd3 {[%csl Gg6][%cal Rc7h7]} Qxg6+ 32. Kxd4 {[%mdl 4096] Endgame KQR-KQN} Qg4+ (32... Qg5 {is more complex.} 33. Kc3 b5 34. Kc2 Re8 35. a4 bxa4 36. bxa4 Qxe5 37. Qxe5+ Rxe5 38. Kb3 Kg7) 33. Ke3 {[#]} (33. Kd3 $17) 33... Qh3+ (33... Rc8 $1 $19 {[%cal Rc8c7]} 34. Qd6 Rc3+ 35. Kf2 Qf4+ 36. Kg2 Qf5) 34. Kd4 (34. Ke4 $142) 34... Qxh2 (34... Rc8 $17 35. Qe7 Qc3+ {[%mdl 64] Double Attack} 36. Ke4 Qc2+ {[%mdl 64] Double Attack} 37. Ke3 Rc3+ 38. Ke2 Qd3+ 39. Kd1 Qf5 40. Qh4+ Kg7) 35. Ne4 $2 (35. Kc3 $11 {and White stays safe.}) 35... Qg1+ $19 36. Kd5 Qd1+ 37. Kc4 Qc1+ 38. Nc3 Qf4+ 39. Kb5 Re8 40. Qxb7 Qxe5+ (40... Rxe5+ $17 41. Nd5 Qf5 42. Qa8+ Kh7 43. Qb7+ Kh6) 41. Qd5 $1 $11 {The position is equal.} Rb8+ (41... a6+ {with more complications.} 42. Ka4 Re6 43. b4 Kg7 44. Qd7+ Kf8) 42. Ka4 Qxc3 {[%csl Gb8][%cal Rc3b4]} (42... Qf4+ {looks sharper.} 43. Ne4 Kg7 44. b4 Rb6 45. Qd7+ Qf7) 43. Qh5+ Kg8 {[%csl Gb8][%cal Rc3b4]} 44. Qd5+ Kh7 {[%csl Gb8][%cal Rc3b4]} 45. Qh5+ Kg7 {[%csl Gb8][%cal Rc3b4]} 46. Qg5+ Kh7 {[%csl Gb8][%cal Rc3b4]} 47. Qh5+ Kg8 {[%csl Gb8][%cal Rc3b4]} 48. Qd5+ {And White is the lucky defender.  Weighted Error Value: White=0.40/Black=0.28} 1/2-1/2

[Event "MLK CCCSA IM 2021"]
[Site "Charlotte"]
[Date "2021.01.18"]
[Round "9.5"]
[White "Martin Del Campo C., Roberto"]
[Black "Ezra Paul Chambers"]
[Result "1/2-1/2"]
[WhiteElo "2296"]
[BlackElo "2217"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2021.01.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,11,24,5,16,0]} 1. e4 {[%emt 1:30:30]} c6 {[%emt 1:30:30]} 2. d4 d5 {[%emt 0:00:30]} 3. exd5 {[%emt 0:01:00]} cxd5 {[%emt 0:00:30]} 4. c4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 6. Nf3 $11 {[%emt 0:00:30]} 1/2-1/2

