[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.21"]
[Round "1.1"]
[White "Asis Gargatagli, Hipolito"]
[Black "Garriga Cazorla, Pere"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2502"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,47,38,1,2,1,12,14,8,15,18,0,0,0,0,0,18,12,11,21,22,21,21,13,20,-78,-29,-15,-8,-20,-6,-27,-10,-21,-14,-20,-9,-11]} 1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 a6 5. g3 d6 6. Bg2 Nf6 7. Qe2 Be7 {B40: Sicilian: 2...e6, Unusual lines.} 8. O-O O-O 9. d4 cxd4 10. Nxd4 Bd7 11. Nxc6 Bxc6 {[#]} 12. c4 $146 ({Predecessor:} 12. Rd1 Qc7 13. c4 b5 14. Nd2 Rac8 15. Rac1 Qb7 16. Qe3 Rfd8 17. h3 Nd7 18. Bc3 {½-½ (26) Movsziszian,K (2564)-Cabrera Pino,A (2507) Valencia 2009}) 12... b5 13. Na3 {[%cal Rc4b5,Bb1a3,Ba3c2,Bc2d4][%mdl 32]} Rb8 14. Rac1 b4 15. Nc2 Nd7 16. Rfd1 Qc7 17. Nd4 Ba8 18. c5 (18. a3 $11 {keeps the balance.}) 18... dxc5 19. Qxa6 {[#] Strongly threatening Nxe6!} Rb6 20. Qe2 Rd8 21. Nf3 Rd6 22. Rxd6 {The position is equal.} Qxd6 23. Rd1 Qc7 24. Bc1 {Weighted Error Value: White=0.17/Black=0.07} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.21"]
[Round "1.2"]
[White "Rios, Cristian Camilo"]
[Black "Sankalp Gupta"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2460"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,16,23,18,0,23,0,-8,-30,-33,-34,-42,-36,-31,-31,-30,-30,-30,-33,-31,-54,-45,-45,-45,-77,-65,-93,-83,-179,-180,-174,-189,-191,-152,-152,-162,-175,-177,-175,-141,-179,-180,-217,-211,-211,-214,-303,-301,-296,-272,-282,-267,-381,-126,-1509,-14,-59,-16,-355]} 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 Nc6 5. Bg2 d6 6. d3 Nge7 {A21: English Opening: 1...e5 2 Nc3.} 7. Nh3 h5 8. e4 Ng6 {[#]} 9. O-O $146 ({Predecessor:} 9. Be3 Bd7 10. Ng5 f6 11. Nf3 h4 12. Nd2 b6 13. Qe2 Qc8 14. Bf3 Nce7 15. a4 {½-½ (30) Artemiev,V (2746)-Melkumyan,H (2650) Douglas 2019}) 9... h4 {[#] ...hxg3 is the strong threat.} 10. g4 Qd7 11. f3 Nd8 12. Be3 Ne6 13. Qd2 b6 14. Rf2 f6 15. Kh1 Bb7 16. Rg1 O-O-O 17. f4 exf4 18. Bxf4 Kb8 ({Much weaker is} 18... Ngxf4 $6 19. Nxf4 Kb8 20. h3 $11) 19. Be3 (19. Qe2 $17) 19... Ne5 $19 20. Qe2 Nc5 21. d4 Nxg4 22. dxc5 Nxf2+ 23. Nxf2 dxc5 24. h3 Rde8 25. Bf4 g5 26. Bh2 f5 27. e5 Bxg2+ 28. Rxg2 (28. Kxg2 $142 Rhg8 29. Rd1) 28... Rhg8 29. Qd3 Qc8 30. Qe2 Qe6 31. Nd1 (31. Kg1 $142) 31... Rg6 $2 {[#]} (31... f4 $19 {has better winning chances.} 32. Nf2 Qf5) 32. Bf4 $2 {[%mdl 8192]} g4 $2 (32... gxf4 $19 33. Qd2 Rxg2 34. Qxg2 Qxe5 35. Nf2 Qxc3 36. Kh2 Qg3+ 37. Qxg3 hxg3+ 38. Kg1 Re1+ 39. Kg2 Re2 {[%mdl 64] Double Attack, Pin} 40. Kf1 Rxf2+ 41. Ke1 Rxa2 42. Kf1 f3 43. Ke1 g2 44. h4 g1=Q#) 33. Kh2 Qc6 {White must now prevent ...Reg8.} 34. Kg1 $2 {[%mdl 8192] Weighted Error Value: White=0.47/Black=0.38} (34. Ne3 $1 $11 {and White stays safe.}) 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.21"]
[Round "1.3"]
[White "Hernandez, Cristian Andres"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2376"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,-34,-23,-45,-41,-90,-83,-101,-87,-87,-87,-87,-87,-85,-82,-96,-80,-89,-90,-78,-72,-104,-104,-104,-103,-100,-109,-114,-107,-107,-54,-69,-72,-128,-113,-105,-84,-113,-117,-94,-118,-140,-145,-234,-227,-250,-235,-248,-237,-160,-96,-214,-118,-210,-230,-209,-210,-308,-302,-290,-295,-270,-279,-286,-261,-475,-469,-501,-404,-913,-897,-828,-710,-706,-708,-700,-698,-703,-695,-692,-695,-687,-675,-680,-326,-747,-406,-452,-444,-444,-433,-402,-333,-732,-720,-700,-647,-29973,-29950,-5958,-6083,-29966,-6637]} 1. Nf3 d5 2. c4 d4 3. e3 Nc6 4. d3 e5 5. a3 a5 6. g3 {A09: Réti Opening: 1 Nf3 d5 2 c4.} Bc5 7. e4 {[#]} Be7 $146 ({Predecessor:} 7... Nge7 8. Bg2 f6 9. Nh4 O-O 10. O-O g5 11. Nf3 Ng6 12. Ne1 Be6 13. b3 Qd7 {1-0 (41) Grunberg,M (2419)-Bonte,A (2323) Baile Felix 2011}) 8. Bg2 {Black is better.} h5 9. h4 Nf6 10. Bg5 Nd7 11. Bxe7 Qxe7 12. Nbd2 a4 13. Bh3 Nc5 14. Bxc8 Rxc8 15. Qe2 f6 16. Ng1 Qd7 17. f3 Na5 18. Rc1 Rb8 19. Nh3 g6 (19... b5 $17 {Strongly threatening ...bxc4.} 20. Nf2 b4) 20. Nf2 Qd6 21. Rc2 (21. Nh3 $142) 21... Nc6 {[%cal Ba5c6,Bc6d8,Bd8e6][%mdl 32]} 22. Kd1 Nd8 23. Re1 Nde6 24. f4 exf4 25. e5 Qxe5 26. Qxe5 (26. Nde4 $17 Nxe4 27. gxf4 Qxf4 28. Nxe4) 26... fxe5 $19 27. Rxe5 {aiming for Nfe4.} O-O ({Much less strong is} 27... fxg3 28. Nfe4 $17) 28. g4 hxg4 29. Nxg4 Rbe8 (29... f3 $142 $1 {[%cal Rf3f2]} 30. Ne4 Nxe4 31. Rxe4 Rf4 $1) 30. Nf2 {[#]} (30. Ne4 $17 {keeps fighting.} Nxe4 31. Rxe4) 30... Rf5 ({Black should play} 30... f3 $1 $19 31. Rc1 Nd7) 31. Rxf5 (31. Nf3 $17) 31... gxf5 32. Nf3 Kf7 33. Re2 (33. Rd2 {was necessary.}) 33... Rg8 34. Re1 Rg3 35. Ke2 Kg6 36. Rh1 Kh5 37. Rh2 $2 (37. Re1 {is a better defense.}) 37... Nd7 38. Nh3 {[#]} Ne5 $1 {[%mdl 512]} 39. Nhg5 (39. Nxe5 $142 Re3+ {[%mdl 64] Double Attack} 40. Kf1 Rxe5 41. Ng5) 39... Ng4 40. Rh3 Rg2+ 41. Ke1 Nc5 42. Nxd4 Ne3 {[%cal Rc5d3]} 43. Ne2 Nxd3+ {[%mdl 64] Double Attack} 44. Kd2 Nxb2 45. Ne6 Nbxc4+ 46. Ke1 Kh6 (46... Nc2+ $142 47. Kd1 N4e3+ 48. Kd2 {[#]} Nd5 $1) 47. N2xf4 $2 (47. N6xf4 Rg4 48. Kf2) 47... Rg4 48. Ke2 Ng2 49. Nxg2 Rxg2+ {[%mdl 4096] Endgame KRN-KRN} 50. Kd3 Nxa3 51. Nxc7 $2 (51. Rf3) 51... Nb1 {And now ...a3 would win.} 52. Rh1 Rb2 {White must now prevent ...a3.} 53. Nd5 a3 54. Nc3 Nxc3 55. Kxc3 b5 {Weighted Error Value: White=0.70/Black=0.27} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.21"]
[Round "1.4"]
[White "Munoz, Miguel"]
[Black "Alsina Leal, Daniel"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2450"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,29,6,15,2,20,7,7,10,10,8,14,12,12,0,17,0,19,0,14,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 {The position is equal.} 7. c4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} b5 8. Nc3 e5 9. Qd3 {[%cal Rc4b5]} bxc4 10. Qxc4 Be6 11. Qc6+ {The main line 11.Qc6+ scores better than 11.Qd3.} Bd7 12. Qc4 Be6 13. Qc6+ Bd7 14. Qc4 {[#]} Be6 $146 ({Predecessor:} 14... h6 15. O-O Nf6 16. Rd1 Be7 17. b3 O-O 18. Qd3 Rc8 19. Bb2 Qb6 20. Rac1 Qb7 21. Nd2 Be6 22. Nf1 Nd7 23. Ne3 Nc5 {0-1 (49) Tofighi,H (2916)-Siva,M (2857) Chess.com INT 2020}) 15. Qc6+ {Not much happened in this game.  Weighted Error Value: White=0.07/Black=0.02} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.21"]
[Round "1.5"]
[White "Alonso Garcia, Aaron"]
[Black "Lopez Martinez, Josep Manuel"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2367"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,114,60,35,43,9,31,0,0,-36,30,-22,-27,-47,-56,-46,-48,-46,-30,-52,-49,-47,-57,-73,-63,-88,-84,-67,-89,-83,-17,-27,-29,-51,-35,-39,-39,-44,-40,-45,-54,-40,-19,-17,-10,-43,-31,-45,-43,-53,-48,-42,-44,-54,0,-38,-38,-37,-33,-73,-8,-12,-29,-769,-758,-717,-687,-1068,-1047,-1095,-954,-29980,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29987,-29988,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-29994]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 g6 8. Nf3 Qa5 9. Bd2 Qa4 10. Be2 c4 11. O-O Bd7 12. Ra2 O-O-O {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} 13. Bg5 Rf8 {[#]} 14. Rb1 $146 ({Predecessor:} 14. Qh4 h6 15. Rb1 Rh7 16. h3 f5 17. exf6 Rff7 18. Qg3 Qa5 19. Bf4 Nxf6 20. Nd2 {1-0 (50) Saric,I (2689)-Lupulescu,C (2606) Batumi 2018}) 14... h6 {The position is equal.} 15. Qh3 Qa5 {[#]} (15... f5 $15) 16. Nd2 f6 $11 17. exf6 Nxf6 18. Bxf6 ({Avoid the trap} 18. Bxh6 $2 {[#]} Ng8 $1 $19) 18... Rxf6 19. Qe3 Qc7 20. Nf3 Qf4 21. Qxf4 Rxf4 22. g3 Rf7 23. Nh4 g5 24. Bh5 Rf6 25. Ng2 e5 (25... Nd8 $17) 26. dxe5 Nxe5 27. Re1 Nf3+ 28. Bxf3 Rxf3 29. Re3 Rhf8 30. Rxf3 Rxf3 $15 {[%mdl 4096] Endgame KRB-KRN} 31. Ne3 Be6 32. Ra1 Kc7 33. Kf1 Kc6 34. Ke2 Rf7 35. Rb1 b6 36. f3 Kc5 37. Rh1 Re7 (37... Kb5 $15) 38. g4 d4 39. cxd4+ Kxd4 40. h4 b5 (40... Kc3 $17) 41. hxg5 hxg5 42. Rh5 $2 {[%mdl 8192] Loses the game.} (42. Rc1 $11) 42... Bf7 $19 43. c3+ Kxc3 44. Rh6 a5 45. Ra6 b4 46. Rxa5 Kd4 {Black mates.} 47. axb4 Rxe3+ {KRB-KR} 48. Kf2 c3 49. Ra1 c2 50. Rc1 Bg6 51. b5 Rb3 52. Ke2 Kc3 53. f4 gxf4 54. b6 Kb2 55. Kd2 Rd3+ 56. Ke2 Kxc1 57. b7 Rb3 {Weighted Error Value: White=0.49/Black=0.12} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.22"]
[Round "2.1"]
[White "Garriga Cazorla, Pere"]
[Black "Lopez Martinez, Josep Manuel"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2477"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,148,33,-6,9,12,33,18,0,0,30,27,31,16,25,23,34,0,31,31,30,31,77,13,19,0,0,0,0,0,8,0,0,0,0,0,0,-40,0,-25,52,21,81,66,76,46,187,202,219,115,110,112,203,174,186,139,298,204,407,233,204,214,317,257,394,380,376,93,79,64,60,28,35,27,36,-89,-84,-160,-167,-159,-161,-164,-164,-166,-158,-151,-150,-190,-165,-201,-86,-94,-94,-88,-89,-168,-175,-149,-193,-324,-280,-331,-309,-413,-425,-404,-393,-350,-243,-436,-360,-593,-594,-589,-583,-589,-567,-566,-553,-573,-522,-721,-737,-677,-678,-749,-756,-6079,-5447,-29972,-29973,-29969,-29969,-29987,-29974,-29974,-29974,-29992,-29993]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Be7 7. g4 h6 {D45: Semi-Slav: 5 e3.} 8. Rg1 dxc4 9. g5 hxg5 {The position is equal.} 10. Nxg5 Nf8 {[#]} (10... Rxh2 11. Nxf7 $1 Kxf7 12. Qg6+ Kf8 13. Qxg7+ Ke8 14. Qg6+ Kf8 15. e4 $18 (15. Bxc4 Bb4 $16)) (10... Nh5 {feels hotter.} 11. h4 b5 12. a4 Rb8 13. axb5 cxb5 14. Rxa7 Qb6) 11. Bxc4 $146 ({Predecessor:} 11. Nf3 g6 12. Bxc4 Rh3 13. Ng5 Rxh2 14. Bd3 Rh6 15. e4 Ng8 16. Be3 Rh5 17. f4 {0-1 (39) Adamek,Z (2095)-Svoboda,Z (2055) Czech Republic 1993}) 11... Rxh2 12. Nf3 Rh3 13. Be2 g6 14. e4 Rxf3 15. Bxf3 Qxd4 16. Be3 Qb4 17. Rg5 ({Better is} 17. O-O-O $16) 17... N6d7 $11 18. a3 Qd6 19. Rd1 Qb8 20. Rg1 {Black should prevent Rh1.} e5 21. Rh1 Bf6 22. Be2 Ne6 23. Bc4 $36 {[%mdl 2048] Black is under pressure.} Ndf8 24. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Qc7 25. b5 Bd7 (25... Nd4 $11 26. Qa4 Bd7) 26. Qb3 $14 Qa5 (26... Qd8 $11) 27. Kf1 Rd8 28. b6 Ra8 (28... a6 $14) 29. bxa7 $18 Rxa7 30. Bxa7 (30. a4 $1 $18 Nd4 31. Bxf7+ Kd8 32. Qa3) 30... Qxa7 $16 31. a4 b6 (31... Bc8 $16 {was worth a try.} 32. Qb4 Be7) 32. Rb1 $1 $18 Bd8 33. Qb4 Ng5 $2 (33... Nc5 $16 34. Rh8 Bg4) 34. Kg2 {aiming for Rh8!} Qc7 $2 (34... Bg4) 35. Be2 (35. Rh8 $142 {[%csl Gb4][%cal Rh8f8]} Bh3+ 36. Rxh3 Nxh3 37. Kxh3) 35... Nge6 36. Rh8 Bc8 (36... Qa7 $142 37. Bc4 Nc5) 37. Bg4 Nc5 (37... c5 {was called for.} 38. Qb5+ Bd7) 38. Bxc8 Qxc8 39. Rh3 $2 (39. a5 $18 {and White stays clearly on top.} Ncd7 40. Qc4) 39... Nfe6 $16 {( -> ...Nf4+)} 40. Ne2 Qa6 41. Rh8+ Ke7 $1 42. Ng3 Qd3 43. Re1 (43. Kg1 $14) 43... Nf4+ $17 44. Kg1 (44. Kh2 $142) 44... Qf3 {[%csl Gf4][%cal Rf3g2]} 45. Rh2 Nfd3 $1 {[%csl LRb4,LRe1][%mdl 64] Double Attack} 46. Qd2 {Black must now prevent Re3.} Nxe1 47. Qxe1 Nxa4 48. Qa1 {[#]} Nc5 $1 ({Worse is} 48... Nc3 49. Qa7+ Kd6 50. Qb8+ Kd7 51. Rh8 $11) 49. Rh3 Qf6 ({But not} 49... Nxe4 $2 50. Qxe5+ Kd7 51. Qxe4 $18) 50. Qa7+ Nd7 (50... Kf8 $19 {is more deadly.} 51. Rh2 Kg7) 51. Nf1 {[#]} Qd6 $1 52. Ne3 b5 {[%cal Bb6b5,Bb5b4][%mdl 32] ...Qb4 is the strong threat.} 53. Rf3 (53. Rh8 $17) 53... Bb6 $19 54. Qa2 Qe6 55. Qc2 (55. Qa8 $142) 55... Bd4 56. Kg2 Nc5 57. Nf1 b4 58. Nd2 Qg4+ 59. Kf1 {intending Qc4.} Bc3 {Strongly threatening ...Ne6.} 60. Rg3 $2 (60. Qa2 {was the only chance.} f5 61. Qa7+ Nd7 62. exf5 gxf5 63. Qb7) 60... Qf4 61. Rxc3 $2 (61. Re3) 61... bxc3 62. Qxc3 Nxe4 {[%csl Ge4][%cal Rf4f2]} 63. Qb4+ Nd6 64. Qc3 Qd4 65. Qa5 Qd5 66. Qc7+ Kf6 67. Ke1 Kg7 68. Qe7 Nf5 69. Qc7 Qh1+ 70. Ke2 Nd4+ {Black mates.} 71. Kd3 Qd5 72. Ke3 Nf5+ 73. Ke2 Qb5+ 74. Ke1 Nd4 {[%csl Gd4][%cal Rb5e2] Quite a comeback for Black.  Weighted Error Value: White=0.44/Black=0.28} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.22"]
[Round "2.2"]
[White "Alsina Leal, Daniel"]
[Black "Alonso Garcia, Aaron"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2497"]
[BlackElo "2367"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,22,31,35,43,37,63,62,79,76,102,112,111,65,188,184,214,140,204,198,237,235,246,223,261,261,310,279,295,290,357,360,467,481,556,537,820,821,1347,1342,1410,1372,1299,1150,1129,1112,4460,6731,29995,29996,29997,29998,29998,29999,29999]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. h4 b6 6. Qg4 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} Bf8 7. h5 h6 8. b4 {[#] White is slightly better.} Ne7 $146 ({Avoid the trap} 8... Bxb4 $2 9. Qxg7 Bxc3+ 10. Bd2 $16) ({Predecessor:} 8... a6 9. a3 Ne7 10. Bd3 c5 11. bxc5 bxc5 12. dxc5 Qc7 13. Nf3 Nd7 14. O-O Nxc5 {1-0 (30) Sheng,J (2453)-Hevia Alejano,C (2467) chess.com INT 2021}) 9. Rb1 a6 10. Nf3 Nbc6 11. Bd3 f6 {A mistake that costs the game.} (11... a5 $14) 12. Ne2 $18 f5 13. Qh3 Bb7 (13... a5 $16) 14. Nf4 Nd8 15. g4 fxg4 16. Qxg4 Bc6 17. Ng6 Nxg6 18. Bxg6+ ({Not} 18. Qxg6+ Qf7 $16) 18... Nf7 19. Qf4 Bb5 20. Nh4 c5 21. bxc5 bxc5 22. Rh3 Qc7 23. Rf3 Ra7 24. a4 Qa5+ 25. Bd2 Qxa4 26. Bxf7+ Kd8 27. Bxe6 Qc4 28. Ba5+ Ke8 29. Bf7+ {White mates.} Kd7 30. Qf5+ Kc6 31. Qc8+ Rc7 32. Qxc7# {Weighted Error Value: White=0.06/Black=0.67} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.22"]
[Round "2.3"]
[White "Vasquez Schroeder, Rodrigo"]
[Black "Munoz, Miguel"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2485"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,35,12,17,-4,0,0,0,0,0,0,0,-26,-33,-37]} 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. h3 e6 8. Bd3 exd5 9. cxd5 b5 10. Nxb5 Re8 11. O-O Nxe4 12. Re1 a6 13. Rxe4 {13.Nc3 is the modern continuation. A70: Modern Benoni: 6 e4 g6 7 Nf3.} (13. Nc3 {keeps more tension.} Nxc3 14. Rxe8+ Qxe8 15. bxc3 Bxc3 16. Rb1) 13... Rxe4 14. Nxd6 Rb4 15. a3 {[#] aiming for Nxf7.} Qxd6 16. axb4 cxb4 {[#]} 17. Ng5 $146 ({Predecessor:} 17. Qe1 Nd7 18. Qe8+ Qf8 19. Qxf8+ Bxf8 20. Bb5 Nc5 21. Bc6 Bb7 22. Be3 Bxc6 23. dxc6 {½-½ (31) Fressinet,L (2676)-Gashimov,V (2703) Dresden 2008}) 17... Nd7 18. Bc4 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.11/Black=0.00} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.22"]
[Round "2.4"]
[White "Sankalp Gupta"]
[Black "Hernandez, Cristian Andres"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2468"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,133,26,46,39,39,20,44,28,38,25,27,26,33,19,19,22,32,8,18,11,92,75,79,62,70,54,59,53,118,103,105,92,191,201,216,124,153,164,139,77,198,98,100,108,134,127,129,113,104,128,110,109,108,96,152,94,84,93,305,300,278,214,219,0,0,-18,12,-89,37,41,21,32,32,0,0,-54,-54,-29,41,39,31,20,34,14,16,19,47,33,39,49,79,81,393,385,407,412,859,558,1062,508,668,669,856,849,1020,777,859,855,875,875,872,863,1361,1354,1312,1325,1297,1283,1291,1289]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3][%mdl 32]} Re8 9. Re1 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} Bf8 10. Nf1 g6 11. Bg5 {White is slightly better.} h6 12. Bd2 {[#]} Bg7 $146 ({Predecessor:} 12... b5 13. Bc2 d5 14. h3 d4 15. cxd4 Nxd4 16. Nxd4 Qxd4 17. Qc1 Kh7 18. Bb3 Qd7 {1-0 (35) Raja,H (2377)-Kotyk,V (2157) Pardubice 2017}) 13. h3 Bd7 14. Ne3 Nh5 15. Bc2 Nf4 16. Qc1 Qc8 17. h4 Bg4 (17... Kh7 $11) 18. Nh2 $1 $16 {[%cal Rh2g4]} Bd7 19. Nef1 g5 20. hxg5 hxg5 21. g3 Nh3+ (21... Re6 $14) 22. Kg2 Nf4+ 23. gxf4 Bh3+ (23... gxf4 $16 24. f3 Re6) 24. Kh1 $1 $18 gxf4 {[#]} 25. Bd1 (25. Ne3 $1 $18 {[%mdl 512]}) 25... Ne7 26. Bh5 Ng6 27. f3 (27. Qd1 $142) 27... Nh4 (27... Qd8 $16) 28. Bg4 (28. Bxf4 $18 {Bg5 is the strong threat.} exf4 29. Qxf4 {[%mdl 64] Double Attack}) 28... Bxg4 $16 29. fxg4 d5 30. exd5 Qd7 31. c4 c6 32. Re4 cxd5 33. cxd5 Rac8 34. Qd1 Rc5 ({Black should try} 34... Qxd5 35. Qb3 Qxb3 36. axb3 Red8) 35. d6 ({Better is} 35. Qe2) 35... Rd5 36. Qe2 {aiming for Bxf4!} f5 $2 (36... Re6 $16) 37. gxf5 $18 Nxf5 38. Qg4 Rxd3 39. Bc3 $2 (39. Bxf4 exf4 40. Rxf4 (40. Rxe8+ $2 Qxe8 41. Rc1 Qe4+ 42. Qg2 f3 $19) 40... Qc6+ 41. Nf3 Nh6 $17) (39. Rae1 $18) 39... Rg3 $11 40. Qd1 {White wants to play Qd5+.} Rg6 41. Bb4 (41. Qd5+ $11 {remains equal.} Kh7 42. Re2 (42. Bxe5 $2 Bxe5 43. Re2 Bd4 $19)) 41... Qc6 (41... a5 $1 $17 {[%cal Ra5b4]} 42. Ba3 (42. Bxa5 Nxd6 43. Qd5+ Kh7 $11) 42... Nd4) 42. Qb3+ $14 Kh7 43. Qh3+ {[%mdl 64] Double Attack} Kg8 $1 44. Qb3+ Kh7 45. Qc4 (45. Rae1 $11 Qb6 46. Qh3+ {[%mdl 64] Double Attack} Kg8 47. Ng4 (47. Nf3 $2 Rh6 $19)) 45... Qb6 $15 {[%csl Gb6][%cal Rg6g1]} 46. Qc5 Rxd6 ({Don't play} 46... Qxd6 $6 47. Qxd6 Nxd6 48. Bxd6 $14) (46... Qd8 $11 47. Rd1 a5) 47. Qxb6 $14 Rxb6 48. Rae1 Rg8 49. R1e2 Rh6 50. Rg2 Rd8 51. Kg1 Rd1 52. Kf2 Rh3 53. Bc3 Nd6 $2 {[%mdl 8192] [#]} (53... Ng3 $16 {is tougher.} 54. Rc4 Rc1) 54. Rxf4 $3 $18 {[%mdl 512]} Bh6 (54... exf4 $2 {too greedy.} 55. Rxg7+ Kh6 56. Ng4+ Kh5 57. Nf6+ Kh6 58. Rh7+ Kg6 59. Rxh3 $18) (54... Bh8 55. Rf8) 55. Rfg4 e4 (55... Rc1 $142 56. Bxe5 Nf5) 56. Rg8 {[%csl Gc3][%cal Rg8h8] White is clearly winning.} Nf7 {[#]} 57. Re8 (57. R2g7+ $142 $1 Bxg7 58. Rxg7+ {[%mdl 64] Double Attack} Kh8 59. Rg3+ {[%mdl 64] Discovered Attack} Kh7 60. Rxh3+ Kg8 61. Ng4) 57... Rd5 58. Ng4 {[%cal Rg4f6]} Rf5+ 59. Ke2 Bg5 60. Rxe4 Nd6 61. Rd4 Nb5 62. Rd7+ {[%mdl 64] Double Attack} Kg8 63. Bd2 Kf8 64. Bxg5 {[%mdl 64] Overworked Piece} Rxg5 65. Rf2+ Kg8 66. Nf6+ Kh8 67. Rd8+ {Weighted Error Value: White=0.30/Black=0.40} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.22"]
[Round "2.5"]
[White "Asis Gargatagli, Hipolito"]
[Black "Rios, Cristian Camilo"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2502"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,14,14,14,12,4,3,8,10,-5,-21,-23,28,26,31,35,12,23,58,61,55,31,113,96,83,89,285,286,535,524,529,533,490,506,490,503,466,474,420,387,591,588,882,832,1320,1293,1955,2025,1745,2025,1903,1891]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 {now supersedes 7...cxd4.} 8. e5 Ne4 9. Be3 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Qb6 10. Qe2 cxd4 11. cxd4 {The position is equal.} Bd7 12. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 13. Bd3 Nb4 (13... f5 $142) 14. a5 $11 {[#]} Qe6 $146 ({Predecessor:} 14... Qd8 15. Bxe4 dxe4 16. Ng5 Rc8 17. Nc3 f6 18. Ngxe4 fxe5 19. dxe5 Bxe5 20. Rad1 Qe8 {½-½ (37) Sasikiran,K (2647)-Yakovich,Y (2526) Chess.com INT 2020}) 15. Bxe4 dxe4 16. Ng5 {[%csl LRe4,LRe6]} Qf5 17. Nc3 Bc6 18. e6 fxe6 {[#]} (18... h6 $1 $14 19. g4 (19. exf7+ Kh8 $11) (19. Nxf7 g5 $11) 19... Qf6 20. exf7+ Rxf7 21. Nxf7 Qxf7) 19. g4 $1 $36 {[%cal Rg4f5][%mdl 2048] White is really pushing.} Qf6 20. Qc4 Nc2 {This costs Black the game.} (20... h6 $16 21. Ncxe4 (21. Nxe6 Rf7 $11) 21... Bxe4 22. Nxe4 Qf3) 21. Ncxe4 $18 {[%mdl 64] Discovered Attack} Nxe1 $2 (21... Bxe4 {was worth a try.} 22. Nxe4 Qf3 23. Qxc2 Rac8) 22. Nxf6+ exf6 23. Qxe6+ ({Less strong is} 23. Rxe1 Bd5 $16) 23... Kh8 24. Nf7+ ({Not} 24. Rxe1 fxg5 25. Rc1 (25. Bxg5 Bxd4 26. Be3 Bxb2 $16) 25... Rfe8 $18) 24... Rxf7 25. Qxf7 Nf3+ 26. Kf1 Nxh2+ 27. Ke1 Nxg4 (27... Nf3+ {was necessary.} 28. Kd1 Ng5) 28. Rc1 {White is clearly winning.} f5 29. d5 Ne5 30. dxc6 Nxf7 31. cxb7 Rd8 32. Rc8 Be5 {[#]} 33. Bd4 $1 {[%mdl 576] Pin.  Weighted Error Value: White=0.04/Black=0.67} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.23"]
[Round "3.1"]
[White "Rios, Cristian Camilo"]
[Black "Garriga Cazorla, Pere"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2460"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,20,18,12,3,7,16,23,-4,15,7,12,13,7,11,7,2,6,0,39,-19,16,0,0,-8,38,15,14,18,64,23,11,2,26,24,23,11,55,40,39,44,42,29,41,23,23,23,23,23,28,23,23,23,24,4,2,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 {The main line 7.Bh4 scores better than 7.Bxf6.} Nc6 {And now ...g5 would win. E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5.} 8. e3 g5 9. Bg3 h5 10. Bd3 Qe7 {[#] Strongly threatening ...Nxd4.} (10... h4 $5 11. Be5 $8 Be6 $11) 11. Nf3 h4 12. Be5 g4 13. Nd2 Rh5 14. Bxf6 Qxf6 {[#]} 15. O-O-O $146 ({Predecessor:} 15. a3 Bxc3 16. Qxc3 g3 17. hxg3 hxg3 18. Rxh5 Qxf2+ 19. Kd1 Bg4+ 20. Kc2 Bxh5 21. Rh1 {½-½ (27) Nguyen,A (2448)-Van Kampen,R (2640) Baku 2016}) 15... Bd6 ({But not} 15... Qxf2 $2 16. Rdf1 $18) 16. a3 (16. Qb3 $14) 16... a6 ({Wrong is} 16... Qxf2 $2 17. Rdf1 $18) 17. Nb3 Be6 18. Kb1 Ne7 19. e4 dxe4 20. Nxe4 Qf4 21. g3 Qh6 22. Rhe1 O-O-O 23. Nbc5 Bxc5 24. Nxc5 Rxd4 25. Nxa6 {[%csl Ga6][%cal Rc2c7] [#]} c6 26. Nc5 Rhd5 27. Nxe6 fxe6 28. Bc4 Rxd1+ 29. Rxd1 Rxd1+ 30. Qxd1 hxg3 31. hxg3 Qg6+ 32. Qc2 {Black must now prevent Qxg6.} Qf5 33. Bd3 Qf6 34. Qc4 Kd7 35. Qb4 {Weighted Error Value: White=0.12/Black=0.10} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.23"]
[Round "3.2"]
[White "Hernandez, Cristian"]
[Black "Asis Gargatagli, Hipolito"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2376"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,52,-1,-1,0,-10,-6,4,7,20,54,-6,-12,-18,-16,-17,-18,-35,-21,-37,-35,-106,-34,-26,0,-8,0,0,0,-21,-20,-15,7,-10,0,-11,0,-8,14,0,0,0,1,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 dxc4 5. e3 a6 6. a4 b6 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} 7. Bxc4 Bb7 8. O-O Bb4 9. Qb3 Qe7 10. Ne5 (10. d5 $1 $14) 10... O-O 11. Bd2 c5 12. dxc5 {[#]} Bxc5 $146 ({Predecessor:} 12... bxc5 13. Be2 Nc6 14. Nxc6 Bxc6 15. Rfd1 Qb7 16. Bf1 Rfd8 17. Rac1 Rac8 18. Qc4 Rd6 19. Be1 Rxd1 20. Rxd1 a5 {½-½ (20) Huseyinkulu,G-Vasquez Ramirez,R (2235) Oropesa del Mar 2000}) 13. Be2 Qc7 14. Nd3 Bd6 15. Rac1 (15. h3 $15) 15... Nc6 ({Better is} 15... Bxh2+ $17 16. Kh1 Nc6) 16. h3 $15 Na5 17. Qa2 {The position is equal.} Qc4 18. Qxc4 Nxc4 19. Rfd1 Nxd2 20. Rxd2 e5 21. Bd1 Rfd8 {Threatens to win with ...Bb4!} 22. Bb3 e4 {[#] aiming for ...Be7.} 23. Nf4 Be5 24. Ncd5 Nxd5 25. Bxd5 Bxd5 26. Rxd5 Bxf4 {Weighted Error Value: White=0.13/Black=0.13} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.23"]
[Round "3.3"]
[White "Munoz, Miguel"]
[Black "Sankalp Gupta"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2450"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,45,11,0,47,0,8,0,0,0,0,-11,-14,-20,-10,-6,-8,-12,-18,-14,-6,-25,-24,-22,-24,-28,-34,-29,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Qxd7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. c4 e5 8. Qd3 f5 9. Nc3 Nf6 10. Bg5 (10. O-O {with more complications.} fxe4 11. Nxe4 b5 12. Re1 Nxe4 13. Rxe4 Bb7 14. Rh4) 10... fxe4 11. Nxe4 Nxe4 12. Qxe4 {[#]} Qg4 $146 ({Predecessor:} 12... h6 13. Be3 Qf7 14. c5 Bf5 15. Qb4 Qc7 16. Qa4+ Bd7 17. Qe4 O-O-O 18. O-O Bc6 {½-½ (49) Jones,G (2670)-Grandelius,N (2662) chess24.com INT 2020}) 13. Qxg4 Bxg4 14. Nd2 b5 15. b3 Rc8 16. O-O h6 17. Be3 Be7 18. f4 bxc4 19. Nxc4 {The position is equal.} Be2 20. Nb6 Rc3 21. Nd5 Rd3 22. Rfe1 Rxd5 23. Rxe2 {An uneventful encounter.  Weighted Error Value: White=0.06/Black=0.02} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.23"]
[Round "3.4"]
[White "Alonso Garcia, Aaron"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2367"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,15,57,33,33,33,31,21,33,41,45,45,56,16,31,0,22,-7,3,-20,-21,-21,-20,-17,-10,-25,-13,-29,2,-29,-28,-18,0,0,0,0,-8,-6,-8,-9,-3,-7,0,0,6,0,0,-44,-44,-68,-55,-77,-77,-302,-298,-306,-300,-295,-298,-305,-285,-282,-285,-448,-443,-753,-734,-742,-753,-29991,-29992]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 Qb6 7. Bc4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nc6 8. Nxc6 bxc6 9. Bb3 {White is slightly better.} e6 10. Qe2 {[#]} Qc7 $146 ({Predecessor:} 10... Be7 11. Be3 Qc7 12. O-O-O a5 13. g4 Ba6 14. Qg2 Nd7 15. f4 Nc5 16. Bxc5 dxc5 {½-½ (46) Rodshtein,M (2673)-Artemiev,V (2736) Skopje 2019}) 11. Bf4 Nd7 12. Na4 Be7 13. Qd2 Ne5 14. O-O O-O 15. c4 c5 16. Rad1 Rd8 17. Qf2 Bb7 18. Rd2 h6 19. Rfd1 Bg5 20. Qg3 Bxf4 21. Qxf4 Ng6 22. Qg3 {[%cal Rd2d6]} e5 23. Nc3 Nf4 24. Nd5 Bxd5 25. exd5 f5 26. Qh4 Kh7 27. Bc2 {And now g3 would win.} Rf8 28. Kh1 Rae8 29. g4 g6 30. gxf5 gxf5 31. Rg1 {[#]} Qe7 $1 $36 {[%cal Re7h4][%mdl 2048] Black is really pushing.} 32. Qg4 {[#] White does not recover from this.} (32. Qxe7+ $17 {was necessary.} Rxe7 33. Rg3) 32... Kh8 $1 $19 33. Qg3 ({Not} 33. Bxf5 $2 Rg8 $19) 33... Rg8 34. Qe1 Rxg1+ 35. Qxg1 Rg8 36. Qf1 Qg5 37. Rf2 (37. b4 $142 cxb4 38. c5 dxc5 39. Bb3) 37... h5 38. a3 (38. h4 $142 Qxh4+ 39. Rh2) 38... h4 39. h3 Nh5 {( -> ...Ng3+)} 40. Kh2 Qf4+ {Weighted Error Value: White=0.57/Black=0.04} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.23"]
[Round "3.5"]
[White "Lopez Martinez, Josep Manuel"]
[Black "Alsina Leal, Daniel"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2520"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,93,26,35,37,41,23,41,46,43,37,48,8,31,37,33,49,48,53,59,43,39,49,38,19,42,42,40,40,40,40,40,43,41,35,37,37,42,43,60,61,65,13,15,15,16,15,7,0,0,0,18,7,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. d3 Nc6 7. Bxc6+ {A34: Symmetrical English: 2 Nc3, lines with ...d5.} bxc6 {[#]} 8. f4 $146 ({Predecessor:} 8. Nf3 Ne6 9. Qa4 Nd4 10. Be3 Nxf3+ 11. exf3 g6 12. Bxc5 Bg7 13. Qxc6+ Bd7 14. Qe4 Rc8 {1-0 (25) Gustafsson,J (2645)-Naumann,A (2543) Germany 2019}) 8... g6 9. b3 {White is slightly better.} Bg7 10. Bb2 O-O 11. Qd2 Ne6 12. Ne4 Bxb2 13. Qxb2 a5 14. Nf3 a4 15. O-O axb3 16. axb3 Rb8 17. Rac1 Qb6 18. Kg2 Qxb3 19. Qxb3 Rxb3 20. Nxc5 Rb2 21. Kf2 Rd8 22. Ke3 Nxc5 23. Rxc5 Rd6 24. Rfc1 Re6+ 25. Re5 Rb6 26. Ra1 ({Better is} 26. Kf2 $14) 26... f6 $11 {The position is equal.} 27. Rxe6 Bxe6 {[%mdl 4096] Endgame KRB-KRN} 28. Ra7 Kf7 29. Rc7 Ke8 30. Nd4 Bd5 31. Rc8+ Kd7 32. Rh8 c5 33. Nf3 c4 34. dxc4 ({Don't go for} 34. Rxh7 $2 Bxf3 35. dxc4 Rb3+ 36. Kf2 Be4 $19) 34... Bxc4 35. Rxh7 Re6+ 36. Kd4 Bxe2 37. Nh4 Rd6+ 38. Ke3 Re6+ 39. Kd2 Bh5 40. Kd3 Be2+ 41. Kd4 Rd6+ 42. Ke3 Re6+ 43. Kf2 Bd3 {[#] Hoping for ...g5.} 44. Rg7 Re2+ 45. Kf3 Rxh2 46. Nxg6 Bxg6 47. Rxg6 {Weighted Error Value: White=0.05/Black=0.03} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.24"]
[Round "4.1"]
[White "Garriga Cazorla, Pere"]
[Black "Alsina Leal, Daniel"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2477"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,27,45,34,41,13,16,8,20,20,20,20,10,24,66,60,61,64,94,78,64,-20,-9,-10,-6,-7,0,0,0,-13,-24,-86,-72,-81,-33,-85,-82,-73,-65,-87,-47,-50,-45,-68,-36,-60,-59,-50,-53,-151,-131,-128,-112,-116,-120,-131,-126,-138,-119,-129,-119,-137,0,-160,-154,-119,-102,-336,-313,-537,-566,-493,-467,-616,-620,-1835,-1870,-1498,-1355,-29983,-29984]} 1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 d6 5. e4 Bg7 6. Ne2 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} e6 7. Nbc3 {was the old line (7.Nec3).} exd5 8. cxd5 {The position is equal.} a6 9. a4 Nbd7 10. Ng3 h5 11. Be2 h4 12. Nf1 Rb8 13. Bg5 {[#]} h3 $146 ({Predecessor:} 13... Qc7 14. Nd2 Nh5 15. Nc4 Ne5 16. Qd2 Nxc4 17. Bxc4 Qa5 18. Be3 b5 19. Be2 Bd7 {0-1 (32) Popov,S (2447)-Kovacevic,A (2522) Kragujevac 2016}) 14. g4 O-O 15. Be3 (15. Ne3 $14) 15... b5 $11 16. axb5 axb5 17. Ng3 Ne5 18. O-O ({Of course not} 18. Bxb5 Nfxg4 19. fxg4 Nxg4 $17) 18... Nc4 19. Bxc4 bxc4 20. Qd2 (20. Ra2 $11 {remains equal.}) 20... Nd7 $17 21. Rab1 Re8 22. Kh1 (22. Bg5 $1 $15 f6 23. Bh6) 22... Ne5 23. Bg5 Qa5 24. Bh6 Bf6 25. Bg5 Bh8 26. Nf5 Bxf5 27. gxf5 Nd3 {And now ...Rxb2! would win.} 28. fxg6 fxg6 {Hoping for ...Rxb2!} 29. Qc2 (29. Bh4 $1 $15 Qa7 30. Bg3) 29... Bxc3 30. bxc3 Rxb1 31. Rxb1 Ra8 32. Be7 Qc7 33. Bh4 Qf7 34. Qe2 Rf8 35. Rf1 {[#]} Rb8 ({Black should try} 35... Re8 $1 $17 36. Rg1 Rb8) 36. Qe3 $2 {[#]} (36. f4 $1 $11) 36... Qf4 $1 $36 {[%cal Rf4e3][%mdl 2048] White is under strong pressure.} 37. Qxf4 Nxf4 {[%mdl 4096] Endgame KRB-KRN} 38. Bg5 $2 {White does not recover from this.} (38. Ra1 $17 {keeps fighting.}) 38... Nd3 $19 39. f4 $2 {[#]} (39. Ra1 {was worth a try.} Rb2 40. Ra8+ Kf7 41. Ra7+ Ke8 42. Ra8+ Kd7 43. Ra7+ Kc8 44. Ra1) 39... Nf2+ $1 {[%mdl 576] Double Attack} 40. Kg1 Nxe4 41. Bh4 Rb2 42. Re1 Rg2+ 43. Kh1 Nxc3 44. Re3 Ne2 {[%csl Ge2][%cal Rg2g1] Weighted Error Value: White=0.59/Black=0.10} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.24"]
[Round "4.2"]
[White "Vasquez Schroeder, Rodrigo"]
[Black "Lopez Martinez, Josep Manuel"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2485"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,43,14,17,12,10,10,22,18,54,44,51,39,37,35,40,43,53,49,57,53,26,30,51,33,39,45,41,37,35,28,45,9,25,-5,0,0]} 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 Nbd7 5. Nbd2 c5 6. b3 {D05: Colle System with ...e6.} cxd4 7. exd4 Bb4 8. Bb2 Qa5 9. O-O Bc3 10. Bxc3 Qxc3 {[#]} 11. Re1 $146 ({Predecessor:} 11. Qe2 O-O 12. Qe3 Qa5 13. Rad1 b5 14. a3 Bb7 15. Ne5 Qb6 16. f4 Nxe5 17. fxe5 {½-½ (24) Pultinevicius,P-Lukosius,R (1872) Plunge 2012}) 11... b6 12. a4 Bb7 13. a5 Rc8 14. axb6 axb6 15. Ra7 Rb8 16. Qe2 O-O 17. Qe3 {[#] And now Bxh7+! would win.} Qc7 18. Ne5 Ra8 19. Rxa8 Bxa8 20. Nef3 Bb7 21. c4 Qd6 22. Ra1 {Weighted Error Value: White=0.08/Black=0.08} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.24"]
[Round "4.3"]
[White "Sankalp Gupta"]
[Black "Alonso Garcia, Aaron"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2468"]
[BlackElo "2367"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,52,35,17,16,25,21,25,31,32,34,38,112,97,110,108,139,131,131,130,198,198,195,205,494,478,867,815,29963,6947,29959,5747,29992,29993,29993,29994,29994,29995,29998,29999,29999]} 1. e4 {Edouard,R} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a3 {7.Qf3 gains popularity.} b5 8. Nxc6 dxc6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 9. Qg4 e5 10. Qg3 Nf6 {White has an edge.} 11. Be2 h5 12. f4 {[#]} Bg4 $146 (12... h4 $14 13. Qg5 exf4 14. Bxf4 Qe7) ({Predecessor:} 12... Be7 13. f5 Bb7 14. Rd1 Kf8 15. O-O Re8 16. Qf2 c5 17. a4 b4 18. Nd5 Bxd5 19. exd5 {½-½ (74) Edouard,R (2640)-Iljiushenok,I (2489) Minsk 2017 CBM 179 [Edouard,R]}) 13. fxe5 $16 Bxe2 14. Nxe2 Ng4 15. Bf4 {Strongly threatening h3.} Bc5 {...Bf2+ is the strong threat.} 16. Rf1 {aiming for h3.} g5 (16... O-O-O $16) 17. Bxg5 $18 Rg8 {[#]} 18. Bh4 {Hoping for h3.} Qa5+ $2 (18... Qxe5 {was called for.} 19. Qxe5+ Nxe5) 19. c3 Qa4 (19... b4 $142 20. h3 (20. Qf4 Qc7 $18) 20... bxc3 21. bxc3 Qc7) 20. e6 f6 21. Qc7 {Threatening mate with Qf7+!} Ne5 22. Bxf6 Rxg2 23. Qxe5 {[%mdl 64] [#] Double Attack. White mates.} Rxe2+ 24. Kxe2 Qc2+ 25. Ke1 Be3 26. Qxh5+ Kf8 27. Qf7# {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.02/Black=0.95} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.24"]
[Round "4.4"]
[White "Asis Gargatagli, Hipolito"]
[Black "Munoz, Miguel"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2502"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,11,27,22,29,0,5,0,0,0,33,38,32,22,30,24,22,27,18,24,24,21,20,21,28,29,34,24,33,27,29,28,36,25,35,27,42,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 a6 7. Bxc6 {7.Bxc6 scores better than 7.Bf1. B31: Sicilian: 2...Nc6 3 Bb5 g6.} dxc6 8. d4 cxd4 9. cxd4 Bg4 10. Nbd2 O-O (10... e5 $5) 11. h3 Bxf3 12. Nxf3 Nd7 13. Bg5 Re8 {[#]} 14. Qc2 $146 ({Predecessor:} 14. Qd2 Qb6 15. Rad1 e5 16. Be3 Qc7 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. Bd4 Qxd4 20. Qxd4 Bxd4 21. Rxd4 {½-½ (32) Dory,J (2330)-Kiss,A (2365) Hungary 1993}) 14... Qa5 15. b4 Qb6 16. e5 Nf8 17. Be3 Qb5 18. Nd2 {[%cal Bf3d2,Bd2c4,Bc4a5,Ba5b3,Bb3c5][%mdl 32]} Ne6 19. Nc4 {aiming for a4.} Rad8 ({But not} 19... Qxb4 $2 20. Rab1 $18) 20. a4 Qd5 ({Don't blunder} 20... Qxb4 $2 21. Reb1 $18) 21. Rad1 {[#] Nb6 is the strong threat.} Nc7 22. Na5 $36 {[%mdl 2048] White has good play.} Rb8 23. Nb3 Ne6 24. f4 f5 {The position is equal.} 25. Nc5 Nc7 26. a5 e6 27. Kh2 Qd8 {Weighted Error Value: White=0.05/Black=0.03} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.24"]
[Round "4.5"]
[White "Rios, Cristian Camilo"]
[Black "Hernandez, Cristian"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2460"]
[BlackElo "2376"]
[Annotator "RC"]
[PlyCount "45"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:24]} Nf6 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:18]} 3. Nc3 {[%emt 0:00:12]} Bb4 {[%emt 0:00:30]} 4. Qc2 {[%emt 0:00:16]} O-O {[%emt 0:01:15]} 5. e4 {[%emt 0:00:08]} d5 {[%emt 0:00:15]} 6. e5 {[%emt 0:00:11]} Ne4 {[%emt 0:00:06]} 7. Bd3 {[%emt 0:00:17]} c5 {[%emt 0:00:44]} 8. Nf3 {[%emt 0:00:17]} cxd4 {[%emt 0:00:28]} 9. Nxd4 {[%emt 0:00:10]} Nc5 {[%emt 0:00:35]} 10. Bxh7+ {[%emt 0:14:56]} Kh8 {[%emt 0:00:05]} 11. Nf3 {[%emt 0:02:55]} d4 {[%emt 0:02:44]} 12. Bg5 {[%emt 0:05:24]} f6 {[%emt 0:24:27]} 13. O-O-O {[%emt 0:00:12]} d3 {[%emt 0:10:14]} 14. Bxd3 {[%emt 0:03:28]} fxg5 {[%emt 0:00:03]} 15. Bg6 {[%emt 0:00:51]} Qe7 {[%emt 0:03:39]} 16. h4 {[%emt 0:01:37]} g4 {[%emt 0:00:11]} 17. Ng5 {[%emt 0:00:20]} Rf4 {[%emt 0:09:26]} 18. Ne2 {[%emt 0:09:03]} Rxf2 {[%emt 0:00:59]} 19. Rhf1 {[%emt 0:00:08]} g3 {[%emt 0:02:38]} 20. Rxf2 {[%emt 0:00:30]} gxf2 {[%emt 0:00:06]} 21. Bf7 {[%emt 0:00:17]} Bd2+ {[%emt 0:01:42]} 22. Kxd2 {[%emt 0:01:06]} Qd8+ {[%emt 0:00:55]} 23. Ke3 {[%emt 0:00:22]} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.25"]
[Round "5.1"]
[White "Hernandez, Cristian"]
[Black "Garriga Cazorla, Pere"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2376"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,102,17,21,31,36,100,59,54,52,50,50,50,50,70,78,81,70,80,71,93,84,118,81,86,69,104,102,104,81,122,95,97,96,127,101,96,80,54,0,19,19,43,16,42,-8,0,-34,21,-143,-33,-30,-20,-97,-97,-100,-100,-101,-101,-102,-106,-125,-125,-127,-106,-106,-106,-106,-106,-205,-205,-1160,-1160,-1146,-966,-986,-906,-874,-772,-627,-193,-561,-193,-219,-193,-12840,-12840,-12828,0,-208,-193]} 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. e3 e5 5. d4 cxd4 6. exd4 e4 7. Ne5 Bb4 8. Be2 O-O {A34: Symmetrical English: 2 Nc3, lines with ...d5.} 9. O-O Qe7 {[#]} ({Black should play} 9... d6 $14 10. Nxc6 bxc6) 10. Bg5 $146 ({Predecessor:} 10. Bf4 Bxc3 11. bxc3 d6 12. Nxc6 bxc6 13. Qa4 Bd7 14. Qa3 c5 15. Qa6 e3 16. Qxd6 Qxd6 17. Bxd6 exf2+ 18. Rxf2 {1-0 (49) Lagno,K (2546)-Muzychuk,M (2490) Gaziantep 2012}) 10... Bxc3 {White is slightly better.} 11. Nxc6 ({Don't play} 11. bxc3 Nxe5 12. dxe5 Qxe5 $15) 11... dxc6 12. bxc3 h6 13. Bf4 Rd8 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bf5 15. a5 Rd7 16. Re1 c5 17. d5 Ne8 18. Bf3 Nf6 19. Re3 Re8 {[#]} 20. h3 $1 Bg6 21. Be2 Nh7 22. Rb1 Nf8 23. Qe1 Bh7 24. g4 f5 25. gxf5 Bxf5 26. Bh2 (26. Bd1 $14) 26... Ng6 27. Kh1 Kh7 28. Qg1 Ne5 29. Qg3 Qf6 30. Re1 Rf7 (30... Ree7 $15) 31. Bh5 $2 (31. f3 $11) 31... g6 ({Black should try} 31... Nxc4 $17 {White must now prevent ...g6.} 32. Bxf7 Qxf7) 32. Be2 $15 Ree7 33. f3 (33. Rf1 $11) 33... Nxf3 $17 34. Bxf3 exf3 35. Rxe7 Rxe7 36. Rxe7+ Qxe7 37. Qe5 Qxe5 38. Bxe5 Bxh3 {[%mdl 4096] [#] Endgame ( -> ...f2). KB-KB} 39. Kg1 a6 40. Kf2 Bg4 41. d6 (41. Bd6 $17) 41... g5 $19 42. d7 $2 (42. Bf6) 42... Bxd7 43. Kxf3 Kg6 44. Bd6 Kf5 45. Bxc5 h5 46. Be7 h4 $2 (46... Bc6+ 47. Ke3 h4) 47. Kg2 $2 (47. c5 {is tougher.}) 47... Kg4 $2 (47... Bc6+ 48. Kf2 Bd7) 48. Kf2 Bc6 49. Bd6 $2 (49. c5) 49... Kh3 50. Be7 Kg4 $2 (50... g4 51. Ke3 g3) 51. Bd6 Kh5 {Weighted Error Value: White=0.59/Black=0.51} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.25"]
[Round "5.2"]
[White "Munoz, Miguel"]
[Black "Rios, Cristian Camilo"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2450"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,59,10,10,1,5,4,4,10,8,14,19,18,31,16,21,33,20,38,23,0,0,0,0,0,0,0,0,-21,31,0,20,2,37,0,0,0,0,-14,0,-24,0,0,0,0,0,-8,-8,-8,-8,-5]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e5 8. Qd3 b5 9. Nc3 {[%cal Rc4b5]} bxc4 10. Qxc4 Nf6 (10... Be6 {looks sharper.} 11. Qd3 h6 12. O-O Be7 13. Nd5 Nf6) 11. Bg5 Be7 12. O-O O-O 13. Bxf6 Bxf6 14. Rfd1 Qb8 {[#]} 15. Rd2 $146 ({Predecessor:} 15. b3 Rc8 16. Qd3 Be6 17. Nd5 Bd8 18. Nd2 Ra7 19. Rac1 h6 20. Rxc8 Qxc8 21. Nc4 {½-½ (75) Szwed,J (2354)-Matinian,N (2491) Legnica 2013}) 15... Rc8 16. Qe2 Be6 17. Rad1 Rc6 18. Nd5 Bd8 19. Ne1 Ra7 (19... g6 $11) 20. g3 Rb7 21. b3 a5 22. Ng2 a4 23. bxa4 Qa7 24. Nge3 Qxa4 25. Qf3 Bg5 26. h4 {The position is equal.} Bxe3 27. Nxe3 Qa3 28. Rd3 Qxa2 29. Rxd6 Rxd6 30. Rxd6 {[%cal Rd6d8] A rather calm draw.  Weighted Error Value: White=0.08/Black=0.09} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.25"]
[Round "5.3"]
[White "Alonso Garcia, Aaron"]
[Black "Asis Gargatagli, Hipolito"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2367"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,62,22,8,-3,6,7,18,6,3,-35,-47,-29,-47,-23,0,0,0,0,0,0,0,0,0,0,20,20,14,12,12,18,16,4,105,-108,-91,-138,0,-510,-493,-888,-870,-846,-841,-846,-816]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. a4 O-O $1 {10...0-0 is better than 10...h6.} 11. h3 {C78: Ruy Lopez: Archangelsk and Möller Defences.} Re8 12. d5 Ne7 {[#]} 13. a5 $146 {The position is equal.} ({Predecessor:} 13. Bg5 Ng6 14. Nbd2 h6 15. Be3 Bxe3 16. Rxe3 Nh5 17. Nf1 Ngf4 18. Ng3 Nxg3 19. fxg3 {1-0 (58) Ozbay,E (2027)-Djerroud,C (1524) Chess.com INT 2020}) 13... Ba7 14. Be3 Bxe3 15. Rxe3 c6 16. dxc6 Nxc6 17. Ng5 Rf8 18. Rd3 d5 19. exd5 Nxa5 20. Ne6 $1 {[%cal Re6d8]} fxe6 21. dxe6 Qxd3 22. e7+ $1 Nxb3 23. exf8=R+ Rxf8 24. Qxd3 Nxa1 25. Qd1 Ne4 (25... h6 $11) 26. Na3 $2 (26. f3 $1 $16 {[%cal Rf3e4]} Nc5 27. b4) 26... Rxf2 $17 27. Qxa1 Rd2 ({Better is} 27... Re2 $1 $17 28. Qa2+ Kh8) 28. Qc1 $2 {[%mdl 8192] [#]} (28. Nb1 $11 Rd1+ 29. Kh2) 28... Re2 $1 $19 {Hoping for ...Nd2.Black is clearly winning.} 29. Nc2 {[#]} (29. Qd1 $142 Rxg2+ 30. Kxg2 Nxc3+ {[%mdl 64] Discovered Attack} 31. Qf3 Bxf3+ 32. Kxf3) 29... Ng3 $1 {[%csl Gb7][%cal Re2g2]} 30. Ne1 {[#]} Rxg2+ $1 {[%mdl 576] Clearance} 31. Nxg2 Ne2+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.61/Black=0.17} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.25"]
[Round "5.4"]
[White "Lopez Martinez, Josep Manuel"]
[Black "Sankalp Gupta"]
[Result "0-1"]
[ECO "E48"]
[WhiteElo "2520"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,0,0,-10,-1,-10,-22,-34,-33,-40,0,-27,0,-16,0,-71,-80,-114,-121,-112,-119,-121,-111,-139,-115,-139,-132,-140,-143,-154,-162,-190,-193,-198,-199,-218,-193,-191,-181,-174,-181,-348,-336,-337,-327,-320,-321,-377,-382,-375,-374,-537,-525,-553,-514,-601,-588,-674,-668,-764,-731]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 b6 8. Bd2 {E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} Bd6 9. Rc1 c5 {[#]} 10. h3 $146 {The position is equal.} ({Predecessor:} 10. O-O Bb7 11. Nf4 Nc6 12. Nce2 c4 13. Bb1 b5 14. Nc3 Bxf4 15. exf4 Qb6 16. f5 {0-1 (49) Johansson,L (2457)-Tari,A (2603) Malmo 2018}) 10... Bb7 11. O-O c4 12. Bc2 a6 13. f3 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 14. b3 (14. e4 $11 b4 {[#]} 15. e5 $1 (15. Nxd5 Nxd5 16. exd5 Nd7 $11) 15... bxc3 16. bxc3 (16. Bxc3 Bc7 $11)) 14... b4 $17 {Hoping for ...cxb3. Black continues to play with concentration.} 15. Na4 c3 16. Be1 Nbd7 17. Bf2 Qc7 18. Bd3 Rfe8 $36 {[%mdl 2048] Black is in control.} 19. Qc2 Bc6 20. Rfe1 g6 21. Qb1 Re6 22. Rcd1 a5 23. Qc2 Rae8 24. Nc1 Bh2+ 25. Kh1 Bg3 26. Kg1 Nh5 27. Nc5 $2 {[#]} (27. a3) 27... Bxf2+ $19 28. Qxf2 Nxc5 29. dxc5 Qe7 30. e4 dxe4 31. fxe4 Nf6 32. Bc4 (32. e5 {was necessary.}) 32... Nxe4 {Black is clearly winning.} 33. Qe3 Re5 34. Nd3 Rg5 35. Qf4 Rf5 36. Qe3 Qf6 {Weighted Error Value: White=0.34/Black=0.04} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.25"]
[Round "5.5"]
[White "Alsina Leal, Daniel"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2497"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,105,23,11,37,36,42,42,39,24,37,35,49,48,23,39,53,-9,0,0,0,0,0,0,0,0,32,16,17,-21,6,-22,-21,-56,-18,-82,-75,-127,-133,-132,-131,-120,-124,-154,-144,-149,-152,-147,-127,-130,-106,-128,-129,-147,-135,-183,-216,-213,-118,-125,-97,-189,-185,-186,-155,-321,-321,-279,-315,-314,-308,-323,-322,-382,-382,-375,-361,-561,-314,-1031,-650,-29949,-29944,-29942,-29947,-12140,-10785,-29970,-29972,-10785,-7060,-29984,-29985,-29986,-29987,-29987,-29988,-29989]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 g6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 7. f3 Bg7 8. Be3 h5 {White is slightly better.} 9. Qd2 Nbd7 10. Be2 {[#]} b6 $146 ({Predecessor:} 10... e6 11. O-O-O Qc7 12. f4 O-O 13. Nb3 Ne8 14. h3 b5 15. g4 Bb7 16. gxh5 Bxc3 17. bxc3 Bxe4 {½-½ (60) Santos Latasa,J (2608)-Peng,L (2474) Peniche 2021}) 11. Nc6 Qc7 12. Nb4 Bb7 13. Nbd5 (13. O-O-O $14) 13... Bxd5 14. Nxd5 Nxd5 15. Qxd5 O-O 16. c3 Nc5 17. Rd1 Na4 18. Bc1 b5 19. Qd3 Qa7 20. g3 Rab8 21. Kf1 a5 22. Qc2 (22. Be3 $1 $11 {remains equal.} Qd7 23. Qd2) 22... Qd7 $17 23. Kg2 {[#]} (23. Rd5 $142) 23... b4 $1 24. axb4 axb4 25. cxb4 Rxb4 26. b3 Nc3 27. Bc4 {Threatening Rd3.} Nxd1 28. Rxd1 Kh7 29. Bg5 Rc8 {aiming for ...Rcxc4!} 30. Qd3 Qe8 31. h4 Ra8 32. Qd2 Rbb8 33. g4 {[#]} Ra4 $3 {[%mdl 512]} 34. Qe2 {[#]} Rxc4 {[%mdl 512]} 35. bxc4 (35. Qxc4 $17 hxg4 36. fxg4) 35... hxg4 $19 36. fxg4 Qd7 37. c5 $2 {This costs White the game.} (37. h5 $17) 37... Rb2 38. Rd2 Rxd2 39. Bxd2 dxc5 40. Be3 c4 41. h5 gxh5 42. gxh5 Qe6 43. Bf4 (43. Qf3 {was worth a try.}) 43... Bd4 44. Kg3 $2 (44. Qf3) 44... c3 45. Qd3 Be5 46. Bxe5 Qxe5+ {[%mdl 4160] Endgame Double Attack. KQ-KQ} 47. Kg4 f6 48. Qc4 Kh6 49. Kf3 Qxh5+ 50. Ke3 Qh3+ {Black mates.} 51. Ke2 Qg2+ 52. Ke3 c2 53. Kd4 {Weighted Error Value: White=0.80/Black=0.22} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.26"]
[Round "6.1"]
[White "Garriga Cazorla, Pere"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2477"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,124,53,54,31,31,34,27,30,35,20,41,25,28,45,33,15,27,28,12,81,97,219,231,497,504,484,445,389,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-477,-453,-453,-147,-416,-409,-554,-476,-1116,-731,-708,0,0,0,0,0,0,0,-175,0,-29966,-29965,-29964,-29966,-29968,-29966,-8292,0,-29973,-29974,-29972,-29973,-29974,-29972,-29980,-29981,-29982,-29983,-29985,-29986,-29992,-29993,-29993,-29994,-29994,-29995,-29996,-29995]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 c5 14. d5 O-O-O 15. O-O b4 16. Na4 Qa6 17. a3 Bxd5 18. Bxd5 Ne5 $1 {[#] D44: Semi-Slav: Botvinnik System.} 19. Qe2 $1 Rxd5 20. axb4 cxb4 {[#]White has an edge.} 21. Nc3 $1 Qd6 {21...Ra5 is vanishing.} 22. Nxd5 Qxd5 23. f3 $1 Nd3 24. Be3 (24. Rxa7 Qxg5 25. Rxf7 Qe5 $17) 24... Bc5 25. Bxc5 Qxc5+ 26. Kg2 {And now b3! would win.} Qd4 {[#]} (26... Qh5 $2 27. h4 $18) (26... Rd8 $1 $11) 27. Ra5 $146 ({Predecessor:} 27. b3 cxb3 28. Rad1 Rd8 29. h4 a5 30. h5 Qe5 31. Qxe5 Nxe5 32. Ra1 Rd5 33. Rfb1 {½-½ (52) Shyam,S (2486)-Anwesh,U (2374) Athens 2012}) 27... b3 (27... Kc7 $16 {might work better.}) 28. Rfa1 $1 $18 Nxb2 $2 (28... Qxf6 29. R5a4 (29. Rxa7 Rh5 $16) 29... Qd4) 29. Rxa7 Nd3 30. Rxf7 {[%cal Ra1a8]} Kb8 ({Stronger than} 30... Qxa1 31. Qxe6+ Kb8 32. Qb6+ Kc8 33. Qc7#) 31. Raa7 (31. Rb1 $18) 31... Qxa7 $11 32. Rxa7 {Qe3 would kill now.} b2 $36 {[%mdl 2048] Black has good play.} 33. Re7 {White threatens Qe3 and mate.} b1=Q {White must now prevent ...Ne1+.} 34. f7 Ne1+ 35. Qxe1 $1 Qxe1 36. Re8+ Rxe8 $1 37. fxe8=Q+ {[%mdl 4096] Endgame KQ-KQ} Kc7 {Strongly threatening ...c3.} 38. Qb5 Qd2+ 39. Kh3 $2 {[%mdl 8192]} (39. Kf1 $11 {and White stays safe.} Qd3+ 40. Kg2) 39... c3 $19 40. Qb4 Kc6 $2 ({Not} 40... Qh6+ 41. Kg4 $11) (40... Qd3 $19 {is more deadly.} 41. Qc5+ Kd7 42. Qa7+ Kc6 43. Qa4+ Qb5) 41. Qc4+ $2 {[%mdl 8192]} (41. g4 $17 {is a better defense.}) 41... Kd6 42. Qb4+ Kd5 $1 43. f4 (43. g4 $142 Qe3 44. Qb3+ Kd4 45. Kg3) 43... Qd4 44. Qb5+ Kd6 $2 (44... Qc5 $1 $19 {[%cal Rc5b5]} 45. Qd3+ Kc6 46. Qe4+ {[%mdl 64] Double Attack} Kc7 47. Qh7+ Kb6 48. Qb1+ Ka6) 45. Qa6+ $11 Ke7 46. Qc6 Qd3 {...c2 is the strong threat.} 47. Qc7+ Kf6 48. Qc8 $2 (48. Qe5+ $11 {and White has nothing to worry.} Kf7 49. Qc7+ Kg6 50. Qc8) 48... Kf5 $2 (48... e5 $1 $19 {Threatens to win with ...Qf5+.} 49. Qf8+ Ke6 50. Qe8+ Kd5 51. Qxe5+ Kc6 52. Qe6+ Kc7 53. Qe5+ Kc6 54. Qe6+ Kc7 55. Qe5+ Kc6) 49. Qg8 $2 {[%mdl 8192]} (49. Qb7 $11 Kf6 50. Qc8) 49... Ke4 $1 {[%cal Re4f3]} 50. Qxe6+ {[#]} Kf3 $1 51. Qc6+ Kf2 52. Qc5+ Kf3 $2 ({Better is} 52... Kf1 $19 53. Qa3 Qd2) 53. f5 $2 {[%mdl 8192]} (53. Qc6+ $11 Kf2 54. Qc5+ Kf1 55. f5) 53... c2 {Black mates.} 54. Qc6+ Kf2 55. Qc5+ {[#]} Kf1 $1 56. Kh4 Qd2 57. Qc4+ Kg2 58. Qe4+ Kxh2 59. Qe5 Qh6+ 60. Kg4 c1=Q 61. Qe2+ Kg1 62. Kf3 Qcc6+ {Quite a comeback for Black.  Weighted Error Value: White=0.78/Black=0.51} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.26"]
[Round "6.2"]
[White "Sankalp Gupta"]
[Black "Alsina Leal, Daniel"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "2468"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,109,55,57,56,52,49,47,45,0,0,0,0,0,0,-15,-8,-11,-23,-14,0,0,0,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-27994,-27994,-27995,-27995,-27994,-27994,-27995,-27995,-27996,-27996,-27996]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 h6 11. Bxf6 Bxf6 12. h4 Nb6 $1 {[%mdl 4] now scores much better than the old 12...Qb6. B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7.} 13. g5 Bxd4 14. Rxd4 Qc5 {White is slightly better.} 15. Qd3 {And now gxh6 would win.} hxg5 16. b4 ({Reject} 16. Rxd6 {[#]} Nd5 $1 $17) 16... Qc7 {[#] White must now prevent ...e5.} 17. fxg5 {[#]} Ke7 $146 ({Predecessor:} 17... Bd7 18. g6 f6 19. Rxd6 Rc8 20. Qd4 Na8 21. Kb2 Ke7 22. e5 fxe5 23. Qxe5 Qxc3+ 24. Qxc3 Rxc3 25. Rxd7+ Kxd7 26. Kxc3 {1-0 (45) Lee,J (2404)-Liyanage,R (2203) chess.com INT 2021}) 18. Be2 e5 19. Nd5+ $1 Nxd5 20. Rc4 Qb6 21. exd5 Bd7 {Hoping for ...Bb5.} 22. Qf3 Bb5 23. Rg4 Bxe2 24. Qxe2 Qb5 25. Qf3 Rac8 26. h5 Rc4 27. Rxc4 Qxc4 $11 {[%mdl 4096] Endgame KQR-KQR} 28. Rf1 Qf4+ 29. Qxf4 exf4 {KR-KR} 30. Re1+ Kf8 31. Rh1 b5 32. Rh4 f6 33. Rxf4 Rxh5 34. gxf6 g6 35. c4 bxc4 (35... Kf7 {is more complex.} 36. Re4 bxc4 37. Rxc4 Rxd5 38. Rc6 g5) 36. Rxc4 Rxd5 37. Rc6 a5 38. bxa5 Rxa5 39. Rxd6 Rxa2 $2 {[%mdl 8192] White is on the road to losing.} (39... Ke8 $11) 40. Kd1 {Black mates.} Rf2 41. Ke1 Rf5 42. Ke2 Kf7 43. Ke3 g5 44. Ke4 Rf1 45. Ke5 Kg6 46. Ra6 Re1+ 47. Kd5 Re2 48. Rb6 Kf7 49. Ra6 Re8 50. Ra1 Kxf6 51. Rf1+ Kg6 52. Kd4 g4 53. Kd3 Kg5 54. Rg1 Kh4 55. Kd4 {Weighted Error Value: White=0.02/Black=0.01} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.26"]
[Round "6.3"]
[White "Asis Gargatagli, Hipolito"]
[Black "Lopez Martinez, Josep Manuel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2502"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,79,10,22,17,23,23,37,35,36,20,22,15,36,20,26,10,7,4,17,4,17,8,19,12,13,12,19,6,20,19,20,16,59,60,48,36,39,0,72,22,96,42,67,70,80,0,123,120,110,101,210,212,200,226,222,216,431,407,414,396,390,385,354,317,1335,1336,1145,1103,1098,1093]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 {is cutting edge theory. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. Re1 Be6 9. Bxe6 {White is slightly better.} fxe6 10. Be3 Bxe3 11. Rxe3 O-O {[#]} 12. Nbd2 $146 ({Predecessor:} 12. b4 Qd7 13. Nbd2 Ne7 14. d4 Ng6 15. g3 h6 16. Rd3 exd4 17. cxd4 Rae8 18. Rc1 {½-½ (27) Bacrot,E (2678)-Delorme,A (2480) Chalons en Champagne 2021}) 12... a5 13. Nf1 Nd7 14. Ng3 Kh8 15. Rc1 Ra6 16. Rc2 Rb6 17. Rd2 Qe8 18. h3 h6 19. d4 exd4 20. cxd4 Nb4 21. Ne2 {[%cal Bg3e2,Be2c3,Bc3a2][%mdl 32]} Na6 22. Nc3 Rb4 23. Na2 Rb6 24. Nc3 Rb4 $1 25. g3 Rf7 (25... c6 $11) 26. Nh4 (26. e5 $16) 26... e5 27. Nf3 Rf8 28. b3 ({Better is} 28. Nd5 $16) 28... Rb6 (28... Qf7 $1 $11 {keeps the balance.} 29. Nb5 exd4 30. Nfxd4 Nac5) 29. dxe5 $16 Nxe5 30. Nd4 c6 {[#]} (30... Nb4 $16 {was worth a try.}) 31. Nf5 $1 $18 Nc5 32. Rxd6 Rxb3 {and if ...Qf7 works, Black does fine.} 33. Qd4 Rb4 $2 (33... Ncd7 {keeps fighting.}) 34. Qxc5 b6 {[#]} 35. Rxh6+ $1 {[%mdl 64] Clearance} gxh6 36. Qd6 Ng6 37. h4 ({Weaker is} 37. Nxh6 Rc4 $18) 37... Rg8 $2 (37... h5 38. g4 Qf7 39. gxh5 Rg8) 38. Qf6+ {White is clearly winning.} Kh7 39. h5 Rc4 40. Nd6 {[%mdl 64] Double Attack.  Weighted Error Value: White=0.09/Black=0.30} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.26"]
[Round "6.4"]
[White "Rios, Cristian Camilo"]
[Black "Alonso Garcia, Aaron"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2460"]
[BlackElo "2367"]
[Annotator "TA"]
[PlyCount "181"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,181,59,80,74,82,78,82,75,75,75,76,75,75,75,79,77,77,81,77,77,82,76,69,70,75,43,158,20,75,40,53,35,63,-171,-153,-164,-167,-211,-206,-207,-212,-205,-212,-225,-222,-195,-128,-137,-67,-58,-56,-63,-67,-57,-57,-67,-56,-56,-56,-56,-56,-56,-26,-27,-27,-27,-33,-32,0,-8,-8,-8,-8,-23,-8,-23,-9,-56,0,-15,-8,-56,-56,-56,-56,-56,-56,-56,-33,-56,-56,-56,-56,-56,-56,-56,-56,-70,-56,-56,-56,-56,-56,-56,-56,-56,-8,-12,-8,-8,-8,-8,-8,-8,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-21,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,-4,-5,-8,-8,-8,-8,-8]} 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 O-O 6. Bg5 Nc6 7. Nge2 h6 8. Be3 e5 9. d5 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} Na5 {[#]} 10. b3 $146 ({Predecessor:} 10. Nc1 c5 11. g4 Nh7 12. h4 f5 13. gxf5 gxf5 14. Qd2 f4 15. Bf2 a6 16. Nb3 Bd7 {0-1 (53) Fajman,P (2267)-Krejcik,J (2177) Czech Republic 2013}) 10... c5 11. Qd2 {White is better.} h5 12. Nc1 Bd7 13. Bd3 Nh7 14. O-O Bf6 15. N1e2 Bg5 16. f4 exf4 17. Nxf4 b6 18. Rf2 Qe7 19. Raf1 Rae8 20. Bc2 a6 {[#]} (20... Bh4 $14) 21. Kh1 (21. Nxh5 $1 $16 {[%mdl 512]} Bxe3 (21... gxh5 22. e5) 22. Qxe3) 21... b5 (21... Bh4 $11) 22. e5 $16 Qxe5 23. Ne4 Bd8 24. Nxc5 $2 (24. Ne2 $14 {keeps the upper hand.}) 24... dxc5 $19 25. Bxc5 bxc4 26. Re2 Qg5 27. Bxf8 {Threatens to win with Bb4.} Rxe2 28. Qxe2 {Strongly threatening Bb4.} Nxf8 29. bxc4 {[#]} Nxc4 {[%mdl 512]} 30. a4 ({Avoid the trap} 30. Qxc4 $2 Bb5 $19) 30... Nb6 (30... Ne5 $19 31. Bb3 Qe7 32. Qxa6 Qa3) 31. Bb3 $17 Bxa4 (31... Nc8 $17 {White must now prevent ...Bc7.} 32. Qxa6 Ne7) 32. Bxa4 $15 Nxa4 33. Qe8 {[#] Hoping for Ne6!} Qf6 {And now ...Nc5 would win.} 34. Qxa4 g5 35. Qa1 gxf4 36. Qxf6 Bxf6 37. Rxf4 Nd7 38. d6 Kf8 39. Ra4 Nc5 40. Rc4 Ne6 41. Ra4 Nc5 42. Rc4 {[%cal Rc4c5]} Nb7 {next ...Bd8 is good for Black.} 43. Rc8+ Nd8 44. Ra8 Ke8 45. Rxa6 Kd7 46. Rb6 Be5 ({Black should play} 46... h4 $15) 47. Rb5 Kxd6 48. g3 Ke6 49. Kg2 Kf5 50. Ra5 Ne6 51. Ra7 f6 52. Rh7 Kg6 53. Ra7 Nd4 54. Ra8 Nf5 55. Rg8+ Kh7 56. Re8 Nh6 57. Ra8 Kg6 58. Rh8 Kg7 59. Ra8 Nf5 60. Kf3 h4 61. gxh4 {The position is equal.} Nxh4+ 62. Kg4 $1 Ng2 63. h4 Ne3+ 64. Kh5 Ng2 (64... Nd5 {seems wilder.} 65. Ra7+ Bc7 66. Kg4 Kg6 67. h5+ Kh6) 65. Ra7+ (65. Kg4 {keeps more tension.}) 65... Kg8 66. Ra2 Nf4+ 67. Kg4 Kg7 68. Kf5 Kh6 69. Ra4 Nh5 70. Ra5 Ng7+ 71. Kg4 $1 Kg6 72. Ra6 Ne8 73. h5+ Kh6 74. Ra8 $1 {[%cal Ra8e8]} Nd6 {Black wants to play ...f5+.} 75. Rh8+ Kg7 {( -> ...f5+)} 76. Ra8 Nc4 77. Kf5 Ne3+ 78. Ke6 Ng4 (78... Bc3 {with more complications.} 79. Re8 f5 80. Re7+ Kh6 81. Rf7 Kxh5 82. Rxf5+ Nxf5 83. Kxf5 Bb2) 79. Kf5 Ne3+ (79... Nh2 {looks sharper.} 80. Rd8 Nf1 81. Rd7+ Kh6 82. Rd3 Nh2) 80. Ke6 Nc2 81. Re8 Nd4+ 82. Kd5 Nf3 83. Ke4 {[#]} Kf7 $1 84. Ra8 {aiming for Ra7+.} (84. Rd8 Nh4) 84... Nh4 85. Ra7+ $1 Ke6 86. Ra6+ Bd6 87. h6 f5+ 88. Kd4 Nf3+ 89. Ke3 {White threatens h7 and mate.} Ng5 90. Rxd6+ {[%mdl 64] Remove Defender} Kxd6 91. Kf4 {[%mdl 64] Double Attack. And White is the lucky defender.  Weighted Error Value: White=0.15/Black=0.14} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.26"]
[Round "6.5"]
[White "Hernandez, Cristian"]
[Black "Munoz, Miguel"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2376"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,73,0,0,0,0,0,0,0,4,8,35,39,42,45,51,22,60,58,75,75,79,69,69,71,75,68,75,54,63,66,65,51,88,47,105,98,268,200,397,174,623,623,546,441,502,491,484,387,867,839,741,708]} 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. h3 e6 8. Bd3 exd5 9. cxd5 b5 10. Nxb5 Re8 11. O-O Nxe4 12. Re1 a6 13. Nc3 $1 {[%mdl 4] now scores much better than the old 13.Na3. A70: Modern Benoni: 6 e4 g6 7 Nf3.} Nxc3 14. Rxe8+ Qxe8 15. bxc3 {The position is equal.} Nd7 16. Rb1 Ne5 17. Nxe5 {[#]} Qxe5 $146 ({Predecessor:} 17... Bxe5 18. Qb3 Kg7 19. Bd2 Qd7 20. f4 Bf6 21. f5 g5 22. Qc4 h6 23. h4 Qd8 {1-0 (60) Richter,M (2459)-Syre,C (2264) Berlin 2010}) 18. c4 Bd7 19. Qf3 Qe1+ 20. Kh2 $1 Be5+ 21. Bf4 Qc3 {[#] White must now prevent ...Bxf4+.} 22. Bxe5 Qxe5+ 23. Qg3 Qxg3+ 24. Kxg3 $16 {[%mdl 4096] Endgame Strongly threatening Rb6. KRB-KRB} Kf8 25. Kf4 h6 $1 26. h4 Ke7 27. Rb6 a5 28. g4 g5+ (28... a4 $14) 29. Kg3 Ra7 $2 {This costs Black the game.} (29... Bc8 $16 {was necessary.}) 30. Rb8 $18 Be8 $2 (30... gxh4+ {was called for.} 31. Kxh4 Kf6) 31. f4 (31. h5 $142) 31... f6 $2 (31... gxh4+ 32. Kxh4 f6) 32. h5 a4 33. a3 Bd7 34. Kf3 Rc7 35. Bc2 Ra7 $2 (35... Be8 36. Bf5 Ra7) 36. Rh8 Rb7 {[#]} 37. Bxa4 $1 {[%mdl 512] Weighted Error Value: White=0.15/Black=0.58} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.27"]
[Round "7.1"]
[White "Munoz, Miguel"]
[Black "Garriga Cazorla, Pere"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2450"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,11,0,0,12,0,0,0,13,-52,-51,-50,-51,-49,-4,0,0,-66,-62,-53,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12,5,14,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,34,53,36,0,12,0,23,0,0,0,20,0,0,0,0,0,0,-28000,-28000]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Nf6 8. Nc3 g6 9. Bg5 {The position is equal.} Bg7 10. Nd5 (10. O-O $11) 10... O-O $15 11. Bxf6 exf6 12. O-O {[#]} Re8 $146 (12... f5 $5 {[%cal Rg7d4]} 13. e5 Bc6 $15) ({Predecessor:} 12... Rc8 13. Nb6 Rc6 14. Nxd7 Qxd7 15. Rad1 Rfc8 16. b3 f5 17. Qd3 fxe4 18. Qxe4 b5 19. cxb5 axb5 {1-0 (91) Vakhidov,T (2401)-Naveen,A Lichess.org INT 2020}) 13. Rfe1 f5 14. e5 (14. Qd3 $1 $11) 14... dxe5 $1 15. Nxe5 Bc6 (15... b5 $15) 16. Nxc6 $11 Bxd4 (16... bxc6 {is more complex.} 17. Rxe8+ Qxe8 18. Nf6+ Bxf6 19. Qxf6 Rd8) 17. Nxd8 Raxd8 18. Kf1 Kg7 19. Rxe8 Rxe8 {[%mdl 4096] Endgame KRB-KRN} 20. Rb1 b5 21. b3 bxc4 22. bxc4 Rc8 (22... h5 {feels hotter.} 23. Rc1 Rc8 24. Rc2 Bc5 25. Ke2 a5) 23. Rc1 g5 24. Ke2 Bc5 25. Rb1 g4 26. Kd3 Rc6 27. Rh1 Re6 28. f3 h5 29. h3 gxf3 30. gxf3 Kh6 31. h4 Re8 32. Rf1 Rb8 33. Ne3 Rd8+ 34. Nd5 Re8 35. Rh1 Rb8 36. Ne3 f4 37. Nd5 Rb2 38. Nxf4 Rxa2 39. Ke4 Rc2 40. Kd5 Be7 41. Ra1 Rd2+ (41... a5 {with more complications.} 42. Rxa5 Bxh4 43. Ra6+ f6 44. Kd4 Bg3) 42. Ke4 Bxh4 43. Rh1 Bf6 44. Rxh5+ Kg7 45. Ra5 (45. Rc5 {is interesting.} Rd4+ 46. Ke3 Rd6 47. Nd5 Re6+ 48. Kd3) 45... Rd4+ 46. Kf5 {[#] Black must now prevent Nh5+.} Bd8 47. Rxa6 {Hoping for Ra8.} Rxc4 48. Nh5+ Kh7 $2 {[%mdl 8192]} (48... Kf8 $11 49. Ng3 Bc7) 49. Nf6+ Bxf6 50. Rxf6 Kg7 {[%mdl 32768] Weighted Error Value: White=0.08/Black=0.05. An unexpected result.} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.27"]
[Round "7.2"]
[White "Alonso Garcia, Aaron"]
[Black "Hernandez, Cristian"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2367"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,122,59,52,55,62,104,113,119,97,99,93,97,97,101,99,82,92,99,74,74,78,82,82,85,84,109,93,113,87,87,87,109,78,103,80,108,46,72,69,56,67,82,92,116,116,118,118,120,116,115,108,113,0,0,0,7,0,52,16,16,17,24,13,19,0,0,0,0,0,0,0,0,0,25,26,35,51,68,65,104,102,90,18,28,8,27,8,8,-57,-56,-54,0,0,0,-14,-23,-1471,-1295,-29978,-29979,-29976,-29976,-29997,-29998,-29998,-658]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 h6 7. Nd6+ Bxd6 8. Qxd6 Qe7 9. Qxe7+ Kxe7 10. b3 d6 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 11. Ba3 a5 12. O-O-O Nb4 {[#] White is better.} 13. Bb2 $146 ({Predecessor:} 13. f3 Bd7 14. Kb2 Rhd8 15. Rd2 Bc6 16. Nb5 Ne8 17. Be2 Na6 18. Rhd1 Bxb5 19. Bxb5 {1-0 (34) Gledura,B (2615)-Efimov,I (2413) Brest 2018}) 13... Be6 14. a3 Na6 15. f3 Nc7 16. a4 Nd7 17. Ba3 Nc5 18. Kb2 b6 19. g3 h5 20. h4 Rh6 21. Be2 Rg8 22. Kb1 f6 23. f4 Rg6 24. Rdg1 ({Reject} 24. Bxh5 $6 Rxg3 25. fxe5 dxe5 $11) 24... Rh6 25. Rh2 Rd8 26. Bf3 Bd7 27. f5 (27. Bc1 $16) 27... Bc6 28. g4 hxg4 29. Rxg4 Kf8 30. h5 Be8 31. Rg1 Bf7 32. Bc1 Rh7 33. h6 gxh6 34. Bxh6+ Ke8 35. Bh5 Bxh5 $11 36. Rxh5 Kf7 37. Rh4 Nd7 (37... d5 $11) 38. Bg5 Rdh8 39. Rxh7+ Rxh7 40. Be3 Rh3 41. Re1 Ke7 42. Kb2 Rf3 43. Bg1 d5 44. exd5 {White wants to play Rd1.} Rxf5 45. Rd1 {aiming for d6+.} Na6 46. d6+ Ke6 47. Nd5 Nac5 {[#]} 48. Nxb6 $1 {[%mdl 64] Black must now prevent Bxc5. Remove Defender} Nxb6 (48... Nb7 49. Nxd7) 49. Bxc5 $14 {[%mdl 4096] Endgame KRB-KRN} Nd7 50. Ba3 (50. Be3 $16) 50... e4 $1 $11 51. b4 e3 52. bxa5 Rxa5 53. Kb3 (53. Bb4 $11 Re5 54. a5) 53... f5 $1 $15 {[%mdl 1024] Black has compensation.} 54. Bb4 e2 55. Rh1 $11 Re5 56. Rh7 {Strongly threatening Re7+.} Nc5+ {[%mdl 64] Overworked Piece} 57. Bxc5 $2 {[%mdl 8192] This costs White the game.} (57. Kc4 $11 Kxd6 58. Rh6+ Kd7 59. Be1) 57... e1=Q $19 {( -> ...Qb1+)} 58. Re7+ Kd5 {Black mates.} 59. d7 Qb1+ 60. Ka3 {[#]} Kc4 $1 {[%cal Rb1a1][%mdl 512]} 61. Bd4 Qb4+ {Weighted Error Value: White=0.35/Black=0.09} (61... Qxc2 $142 62. Bxe5 Qb3#) 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.27"]
[Round "7.3"]
[White "Lopez Martinez, Josep Manuel"]
[Black "Rios, Cristian Camilo"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2520"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,0,0,0,-2,47,4,40,15,57,49,48,50,66,70,75,70,81,52,60,25,34,26,38,24,13,0,0,12,3,12,27,9,33,29,22,0,0,0,63,68,213,218,446,433,1676,971]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 Be7 8. f3 O-O {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 9. a3 {[#]} Nbd7 $146 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} ({Predecessor:} 9... Qc7 10. Be2 Nbd7 11. O-O Ne5 12. Qd2 b5 13. Rac1 Bb7 14. Rfe1 d5 15. exd5 Nxd5 16. Nxd5 Bxd5 {½-½ (57) Mendes,A (1362)-Souza Jr,H (1747) Florianopolis 2020}) 10. Ba2 (10. Bxe6 $5 fxe6 11. Nxe6 $11 {[%mdl 64] Double Attack}) 10... Qc7 {The position is equal.} 11. Qe2 b5 12. O-O-O Nb6 13. g4 Bd7 14. g5 Nh5 15. f4 g6 16. f5 {[%cal Rf5e6]} Nc4 $1 17. Bxc4 (17. Rhf1 {is more complex.} Rab8 18. Bb3 Rfc8 19. Qf3 Rf8 20. f6) 17... bxc4 18. f6 Bd8 19. Kb1 Rb8 20. Ka1 (20. Bc1 {feels hotter.} Qc5 21. Qd2 Bc7 22. Ka1 Rfd8 23. Qe3) 20... Qb7 {[%csl Gb8][%cal Rb7b2]} 21. Rb1 Ba5 22. Bd2 Rfc8 23. Rhd1 Rc5 24. Nf3 Bc6 25. Re1 e5 26. Qd1 Bxc3 (26... Rd8 $11) 27. Bxc3 $14 {[%mdl 64] [#] Discovered Attack} Bxe4 (27... Qc7 $1 $14) 28. Qxd6 $18 Rcc8 $2 (28... Rc6 {was called for.} 29. Qd1 Bxf3 30. Qxf3 Re6 31. Qxb7 Rxb7 32. Rxe5 (32. Bxe5 h6 $14) 32... Rxe5 33. Bxe5 h6) 29. Nxe5 {Black must now prevent Rxe4!} Bxc2 {[#]} (29... Rd8 $142 30. Qe7 Re8) 30. Nxf7 $1 {[%mdl 512] Weighted Error Value: White=0.09/Black=0.30} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.27"]
[Round "7.4"]
[White "Alsina Leal, Daniel"]
[Black "Asis Gargatagli, Hipolito"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2497"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,98,19,14,25,18,13,8,16,8,7,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,24,24,17,-7,-7,-7,-6,-11,4,0,0,0,0,0,0,0,0,0,93,99,98,122,237,233,222,208,211,211,211,204,191,200,164,43,39,15,16,15,15,15,24,15,15,16,17,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7 8. d3 O-O 9. Nc3 d6 10. a3 Re8 {C84: Closed Ruy Lopez: Unusual White 6th moves.} 11. Nd5 Nxd5 12. Bxd5 Qd7 {[#]} 13. c3 $146 ({Predecessor:} 13. Ng5 Bxg5 14. Bxg5 Nd8 15. Ba2 c5 16. Qh5 Ne6 17. Qg4 Kh8 18. Bd2 Qe7 19. b4 {½-½ (32) Shapiro,V (2361)-Schroeder,M (2440) ICCF email 2014}) 13... Nd8 14. Bxb7 Nxb7 15. d4 exd4 16. cxd4 c6 17. Bf4 d5 18. Ne5 Qe6 19. Qf3 Bd6 20. Rac1 dxe4 21. Qxe4 Na5 22. Qf3 Nb3 {[%mdl 64] [#] Double Attack} (22... Bxe5 $5 23. Rxe5 Qb3 $11) 23. Rcd1 {Threatens to win with Re3.} Qd5 24. Qxd5 cxd5 25. Re3 Na5 26. Nd3 Rxe3 27. fxe3 Bf8 28. a4 Nb3 29. axb5 axb5 30. Bg3 g5 31. Rf1 Nd2 {[#]} (31... h6 $11 {keeps the balance.}) 32. Rf5 $1 $16 {[%csl LRd5,LRg5][%cal Rf5g5]} Ra1+ 33. Be1 Bh6 (33... Ne4 $16 {might work better.}) 34. Kf2 Nc4 35. g4 Nxb2 36. Nxb2 Ra2 37. Rxd5 ({Don't play} 37. Bc3 $6 b4 $16) 37... Rxb2+ $18 {[%mdl 4096] Endgame KRB-KRB} 38. Kf3 f6 39. h3 ({Better is} 39. Rd8+ $18 Kf7 40. Rd7+ Kg6 41. d5) 39... Bf8 $14 40. Rd7 b4 41. Rb7 Rb1 42. Ke2 b3 43. Bc3 {d5 is the strong threat.} Ba3 $1 {The position is equal.} 44. d5 b2 $1 {Hoping for ...Rc1.} 45. d6 (45. Bxf6 {seems wilder.} Rh1 46. d6 Bxd6 47. Bxb2 Rxh3 48. Bd4) 45... Bxd6 46. Rxb2 Rxb2+ 47. Bxb2 Kf7 48. Kd3 Ke6 49. Ke4 Bc7 {White really could win this.  Weighted Error Value: White=0.09/Black=0.10} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.27"]
[Round "7.5"]
[White "Vasquez Schroeder, Rodrigo"]
[Black "Sankalp Gupta"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2485"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,120,16,2,7,8,4,0,0,0,27,-28,-27,-31,-27,-29,-1,-18,-14,-31,-29,-18,-26,-25,-15,-28,-15,-15,-15,-15,-8,-61,-61,-61,-64,-66,-45,-58,-68,-60,-34,-81,-71,-86,-74,-73,-77,-174,-171,-190,-41,-104,-94,-121,-116,-128,-131,-144,-128,-127,-83,-79,-84,-65,-59,-102,-76,-125,-123,-154,-155,-155,-155,-155,-155,-155,-149,-262,-262,-270,-253,-521,-521,-495,-494,-493,-471,-465,-451,-420,-411,-387,-416,-485,-472,-437,-332,-315,-319,-325,-328,-332,-303,-255,-280,-1179,-1172,-29984,-29985,-29985,-29986]} 1. d4 {Schandorff,L} Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. Bg5 h6 9. Bxf6 Qxf6 {The position is equal.} 10. e3 Rd8 {[#]} 11. Qc2 $146 (11. cxd5 $142 exd5 12. Qd1) ({Predecessor:} 11. Bd3 Bd7 12. cxd5 exd5 13. O-O b6 14. Qc2 Na5 15. Ne5 c5 16. f4 c4 17. Bh7+ {1-0 (50) Dreev,A (2655)-Schandorff,L (2534) Fuegen 2006 CBM 115 [Schandorff,L]}) 11... Na5 12. cxd5 exd5 13. Bd3 b6 (13... c5 $5) 14. O-O c5 15. Nd2 c4 16. Be2 Bf5 17. Qb2 Qc6 18. Rfe1 Nb7 19. Bd1 Nd6 20. Bc2 Re8 21. f3 ({White should try} 21. Bxf5 $11 Nxf5 22. a4) 21... Bxc2 $15 22. Qxc2 f5 $1 23. Nf1 Re7 24. Ng3 g6 25. a4 Rae8 26. Kf2 Qd7 27. Re2 Re6 28. Qd2 h5 29. h4 (29. Kg1 $17 {was necessary.}) 29... Qe7 $19 30. Rh1 Nb7 (30... b5 $1 $19 31. axb5 Nxb5) 31. Nf1 ({White should play} 31. Ree1 $15) 31... Na5 32. g3 Qa3 33. Qc2 Nb3 34. Qa2 Qc1 35. Qb2 Qd1 {Hoping for ...Nc1.} 36. Re1 Qd3 37. Rh2 a6 38. Kg1 {Black converts the advantage convincingly.} b5 $1 $36 {[%mdl 2048] Black is really pushing.} 39. axb5 axb5 40. Qc2 Qxc2 41. Rxc2 {[#]} b4 $1 42. Rd1 bxc3 43. Rxc3 Kf7 44. Kf2 (44. Rc2 $17) 44... Ra6 45. Rc2 {[#]} Rea8 $1 {...Ra2 is the strong threat.} 46. Re1 $2 (46. Nd2) 46... Ra2 47. Ree2 Ra1 48. Re1 R8a2 49. Rxa2 Rxa2+ {[%mdl 4096] Endgame KRN-KRN} 50. Re2 Ra1 51. Rb2 Ke6 52. e4 Nxd4 53. exd5+ Kxd5 54. Ne3+ Kc5 55. Rb8 {intending Rc8+.} Ra2+ 56. Kf1 {Now Rc8+ and White clings on.} c3 57. Rc8+ Nc6 58. Rg8 $2 (58. Ke1) 58... Kd4 59. Rxg6 Kxe3 60. Rxc6 c2 {Weighted Error Value: White=0.43/Black=0.11} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.28"]
[Round "8.1"]
[White "Garriga Cazorla, Pere"]
[Black "Sankalp Gupta"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2477"]
[BlackElo "2468"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,108,0,3,6,0,8,4,16,19,18,21,35,0,35,-41,-29,-29,-31,-52,0,-10,-2,-22,50,-4,0,0,0,0,0,0,8,0,0,0,0,-8,-25,-47,-29,-60,-12,-66,29,19,35,18,16,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29975,29961,29993,29994,29994,29995,29995,29996,29996,29997,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. a3 Bxc3+ 7. bxc3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. Bg5 h6 9. Bh4 g5 {The position is equal.} 10. Bg3 Ne4 11. Qc2 {[#]} Ne7 $146 ({Predecessor:} 11... f5 12. e3 Bd7 13. Be2 Be8 14. Rb1 Na5 15. cxd5 exd5 16. Be5 b5 17. Nd2 Nc4 18. Nxc4 bxc4 {½-½ (41) Belov,V (2598)-Narayanan,S (2529) Moscow 2019}) 12. e3 h5 $1 13. h4 (13. cxd5 $14 exd5 14. c4) 13... Nxg3 $15 14. fxg3 g4 {[%cal Rg4f3]} 15. Ne5 Kg7 16. cxd5 exd5 17. Qf2 c5 (17... Qd6 $11) 18. Nd3 (18. Bd3 $14) 18... Qa5 19. Rc1 Qxa3 {Strongly threatening ...c4.} (19... c4 $5 20. Nf4 $8 Rh8 $11) 20. Be2 $1 c4 21. O-O Bf5 $36 {[%mdl 2048] Black is pushing.} 22. Nb4 Rad8 ({But not} 22... Qb2 $2 {[#]} 23. Nxd5 $1 {[%mdl 512]} Nxd5 24. Qxf5 $18) 23. e4 dxe4 24. Bxc4 f6 $1 25. Nc2 Qd6 ({Reject} 25... Qxc3 $6 26. Ne3 $16) 26. Ne3 Bd7 27. Ba2 (27. Ra1 $11) 27... b5 (27... f5 $15) 28. Rfd1 $11 Rc8 29. c4 bxc4 30. Nxc4 Qa6 {And now ...Be6 would win.} 31. Ne3 Rxc1 32. Rxc1 Rc8 33. Rxc8 Bxc8 34. Kh2 Qd6 35. Qb2 Nf5 36. Nxf5+ Bxf5 37. Qb7+ Qd7 38. Qb3 Qe8 {...e3 is the strong threat.} ({Not} 38... Qxd4 39. Qg8+ Kh6 40. Qf8+ Kh7 41. Bg8+ Kg6 42. Bf7+ Kh7 43. Qg8+ Kh6 44. Qh8+ Bh7 45. Qf8#) 39. Qe3 a5 40. d5 Qe7 41. Bc4 a4 42. Qb6 {Black must now prevent d6.} Bd7 43. d6 Qe8 44. Qe3 Kg6 45. Bd5 Bf5 46. Bc4 Qe5 47. Qb6 {Qd8 would kill now.} e3 $2 {[%mdl 8192] [#]} (47... Bd7 $11) 48. Qd8 {White mates.} e2 49. Qg8+ Kh6 50. Qf8+ Kh7 51. Bg8+ Kh8 52. Bf7+ {[%mdl 64] Discovered Attack} Kh7 53. Qg8+ Kh6 54. Qh8+ Bh7 55. Qf8# {Weighted Error Value: White=0.09/Black=0.20} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.28"]
[Round "8.2"]
[White "Asis Gargatagli, Hipolito"]
[Black "Vasquez Schroeder, Rodrigo"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2502"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,28,0,57]} 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 Bb7 10. d4 Re8 {[#]} 11. Ng5 $146 ({Predecessor:} 11. Nbd2 Bf8 12. a3 h6 13. Bc2 Nb8 14. b3 Nbd7 15. Bb2 Rb8 16. Rb1 g6 17. Bd3 c6 18. Qc2 Nh5 19. Bf1 Ng7 20. dxe5 dxe5 21. c4 Rc8 22. Rbd1 Qe7 {1-0 (63) Firouzja,A (2770)-Predke,A (2666) Riga 2021}) 11... Rf8 12. Nf3 Re8 13. Ng5 {13.Bc2 gains popularity.} Rf8 14. Nf3 Re8 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.28"]
[Round "8.3"]
[White "Rios, Cristian Camilo"]
[Black "Alsina Leal, Daniel"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2460"]
[BlackElo "2497"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,0,0,0,0,0,0,0,0,0,0,0,8,20,21,-19,-18,-27,-20,-11,0,-20,-7,-9,-6,-12,0,0,0,0,4,4,4,8,15,15,18,14,10,4,40,39,132,87,76,97,93,86,68,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} cxd4 9. Nxd4 Nd7 10. Bf4 Qh4 $1 {10...Qh4 scores better than 10...Ndc5.} 11. g3 Qh5 12. O-O g5 13. cxd5 gxf4 14. Nxe4 exd5 15. Nf6+ Nxf6 16. exf6 Bh3 17. Rfd1 {[#]} Rfe8 $146 ({Predecessor:} 17... Rac8 18. Qe2 Qxe2 19. Bxe2 fxg3 20. hxg3 Rfe8 21. Bf3 Rcd8 22. Rac1 Rd6 23. a3 Ba5 {½-½ (42) Nguyen,T (2419)-Ruck,R (2541) Tallinn 2019}) 18. Rac1 Rac8 19. Qa4 Bf8 20. Rxc8 (20. Qxa7 $2 Bc5 $1 $19 {[%mdl 512]}) 20... Rxc8 21. Re1 Qg5 22. Ne2 ({Wrong is} 22. Qxa7 $2 fxg3 23. hxg3 Qd2 $19) 22... fxg3 23. hxg3 Qd2 24. Rd1 Qb4 25. Qxb4 (25. Qb5 {seems wilder.} Bc5 26. Kh2 Qxb5 27. Bxb5 Be6 28. Nf4) 25... Bxb4 26. f3 {Strongly threatening g4.} Be6 27. Kg2 Bd6 (27... Bf8 $14) 28. g4 Be5 {[#]} 29. g5 h6 {[#]} 30. f4 {[%cal Rf4e5]} Bxb2 31. Rh1 (31. Rb1 $14 Bc3 32. Rxb7) 31... hxg5 $11 {The position is equal.} 32. fxg5 {Nf4 is the strong threat.} Be5 33. Bh7+ Kf8 34. Bf5 {[%cal Rh1h8]} Kg8 35. Bh7+ Kf8 36. Bf5 {[%cal Rh1h8]} Kg8 37. Bh7+ {Weighted Error Value: White=0.08/Black=0.10} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.28"]
[Round "8.4"]
[White "Hernandez, Cristian"]
[Black "Lopez Martinez, Josep Manuel"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2376"]
[BlackElo "2520"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,144,20,-2,13,1,16,2,14,-6,-3,-28,-12,-28,-21,-25,-14,-16,-14,-22,-27,-30,-27,-24,-15,-17,-11,-27,7,-29,-26,-39,0,-7,-15,-8,0,0,0,0,0,0,-10,-20,17,8,47,54,47,66,116,114,114,108,107,108,120,112,139,29,25,27,48,41,114,17,22,18,26,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-86,0,-15,0,0,0,-576,-8,-8,0,0,0,-552,-552,-560,-560,-552,-552,-548,-548,-545,-545,-527,-520,-545,-519,-509,-496,-443,-421]} 1. Nf3 e6 2. g3 b5 3. e3 a6 4. Bg2 Bb7 5. O-O c5 6. b3 Nf6 7. c4 Be7 8. Bb2 O-O {A13: English Opening: 1...e6.} 9. Nc3 b4 10. Ne2 d6 {[#] The position is equal.} 11. h3 $146 ({Predecessor:} 11. Qc2 Nbd7 12. h3 Qc7 13. d3 a5 14. a4 d5 15. cxd5 exd5 16. Nd2 Rac8 17. e4 {0-1 (44) Rezasade,A (2354)-Seul,G (2419) Germany 2019}) 11... Nbd7 12. g4 a5 13. Ng3 Ne4 14. Nxe4 Bxe4 15. d3 Bb7 16. Nd2 Bxg2 17. Kxg2 a4 18. a3 bxa3 19. Rxa3 axb3 20. Rxb3 h6 21. f4 Ra2 22. Rf2 Bh4 23. Re2 Qa8+ 24. Nf3 Bf6 (24... f5 {with more complications.} 25. gxf5 exf5 26. Qf1 Bf6 27. Kh2 Bxb2 28. Rexb2 Rb8) 25. Bxf6 Nxf6 26. e4 d5 27. cxd5 exd5 28. e5 {[#]} c4 $1 29. Rbb2 {[%cal Rb2a2]} Ra1 30. Rb1 Rxb1 31. Qxb1 Nd7 32. dxc4 $1 dxc4 33. Qb5 $1 {[%csl LRc4,LRd7]} Rd8 34. Qxc4 Nb6 35. Qe4 Nd5 36. e6 (36. Rd2 $16) 36... fxe6 $11 37. Qxe6+ Kh8 38. Qe4 Rb8 (38... Rf8 $14 39. f5 Qa6) 39. f5 ({Better is} 39. Rd2 $16 Nf6 40. Qxa8 Rxa8 41. Ne5) 39... Qa6 $1 40. Rd2 Nf6 41. Qf4 (41. Qe6 {keeps more tension.} Qb7 42. Rc2 Re8 43. Qc4 Qa8 44. Re2) 41... Re8 42. Ne5 Kh7 43. g5 hxg5 44. Qxg5 Qa8+ 45. Nf3 Re4 (45... Kg8 {is interesting.} 46. Qh4 Qb8 47. Ng5 Qb7+ 48. Kh2 Qb5) 46. Qg3 {And now Ng5+ would win.} (46. Kh2 {feels hotter.} Kh8 47. Qg3 Re3 48. Rb2 Qd5 49. Rb8+) 46... Kg8 47. Qd6 (47. Rb2 {with more complications.} Qd5 48. Rb8+ Ne8 49. f6 Qa2+ 50. Qf2) 47... Re8 48. Qd4 (48. Qb4 {seems wilder.} Re3 49. Qc4+ Kh8 50. Qh4+ Kg8 51. Qf4) 48... Qc6 49. Qd3 Kh8 50. Rc2 Qb7 {White must now prevent ...Nd5.} 51. Rc4 Qb2+ 52. Rc2 (52. Nd2 {looks sharper.} Qb7+ 53. Qf3 Qb2 54. Rh4+ Kg8 55. Qb3+) 52... Qb1 53. Rd2 Qb7 54. Re2 Rc8 55. Qd4 Qb5 56. Re5 Rc2+ 57. Kg3 {White threatens Qd8+ and mate.} Qb8 58. Kh4 (58. Ng5 $11 {remains equal.}) 58... Qg8 (58... Rb2 $1 $17 {[%cal Rb2b4] ...Rb4! is the strong threat.} 59. Kg3 Rb4) 59. Nd2 Qh7+ 60. Kg3 Qh6 61. Re3 $2 {[%mdl 8192] [#]} (61. Ne4 $11) 61... Qg5+ $2 ({Black should play} 61... Rxd2 $1 $19 {[%mdl 512]} 62. Qxd2 Ne4+ $1 {[%mdl 512]} 63. Rxe4 Qxd2) 62. Kh2 Nd5 63. Rd3 Nf6 $40 {[%mdl 128] White needs to defend precisely.} 64. Qd6 $2 {[%mdl 8192] [#]} (64. Re3 $11) 64... Ne4 $1 $19 {[%cal Re4d6] Black is clearly winning.} 65. Qd8+ Qxd8 66. Rxd8+ {[%mdl 4096] Endgame KRN-KRN} Kh7 67. Re8 Rxd2+ 68. Kg1 Nf6 69. Re3 Kh6 70. Kf1 Rd5 71. Rf3 Nh5 {Threatens to win with ...Rxf5!} 72. Kg2 Kg5 {Weighted Error Value: White=0.15/Black=0.08} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.28"]
[Round "8.5"]
[White "Munoz, Miguel"]
[Black "Alonso Garcia, Aaron"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2450"]
[BlackElo "2367"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,58,33,8,16,14,12,19,55,61,62,10,244,254,289,306,311,313,314,291,322,326,446,457,767,756,760,742,1079,1078,966,794,929,766,29999]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. e5 Nfd7 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 Qc7 12. Bg5 O-O 13. Rc1 Ng4 14. h3 Rxf3 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} 15. hxg4 Rf7 16. Be3 e5 {The position is equal.} 17. dxe5 Bxe5 {[#]} 18. f4 $146 (18. g5 $1 $14) ({Predecessor:} 18. g5 Bxb2 19. Rc5 Bg4 20. Qc2 Ba3 21. Rc3 Bd6 22. Bxh7+ Kh8 23. Bg6 Rff8 24. f3 {1-0 (32) Nagy,P (1961)-Pacholsky,M (2071) Slovakia 2005}) 18... Bxg4 $2 {[#] This costs Black the game.} (18... Bxb2 $11 {and Black stays safe.} 19. Rc2 Ba3) 19. fxe5 $18 Qxe5 20. Qd2 Rxf1+ 21. Rxf1 Re8 22. Bf4 Qe7 {[%cal Rg4e2]} 23. Nc3 d4 24. Ne4 Ne5 (24... Rf8 $142 25. Re1 Qb4) 25. Bxe5 Qxe5 26. Ng5 Bh5 27. Bc4+ Kh8 28. Bf7 Rf8 29. Bxh5 {[%cal Rf1f8] [#]} h6 30. Rxf8# {Weighted Error Value: White=0.13/Black=1.03} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.29"]
[Round "9.1"]
[White "Alonso Garcia, Aaron"]
[Black "Garriga Cazorla, Pere"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2367"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,118,32,50,31,29,32,48,51,51,21,5,24,31,0,0,15,0,0,20,0,0,0,5,0,28,0,0,0,0,0,0,0,0,0,0,0,14,0,27,0,33,12,55,60,50,36,50,49,68,18,46,37,37,37,37,37,43,41,36,0,0,0,0,0,173,177,177,179,170,175,177,174,165,172,164,126,92,80,162,0,0,0,0,0,0,0,64,-420,-413,-419,-394,-444,-341,-649,-649,-868,-744,-867,-850,-807,-779,-1258,-1284,-889,-842,-1466,-985,-1423,-1428]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {Nowadays more popular than 7.Qd2. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Nf6 8. O-O-O Ne5 9. Qg3 {White is slightly better.} b5 {With the idea ...b4.} 10. a3 (10. f4 $5 {[%cal Rf4e5]} Neg4 11. Bg1 $14) 10... Bb7 11. Bxb5 Rc8 {Threatening ...Bxa3.} ({But not} 11... axb5 $6 12. Ndxb5 Qb8 13. Bb6 $16) 12. Ba4 {And now Nxe6! would win.} Nxe4 13. Nxe4 Bxe4 14. Bf4 Qc4 15. Bxe5 Qxa4 16. Rd2 Bg6 17. Bd6 h5 18. h4 Qc4 {[#]} 19. b3 $146 ({Predecessor:} 19. Kb1 Bxd6 20. Qxd6 Qc5 21. Qxc5 Rxc5 22. b4 Rc4 23. Re1 Ke7 24. Kb2 Rhc8 25. Re3 {1-0 (58) Clarke,B (2429)-Modi,S (2118) Leamington Spa 2021}) 19... Bxd6 20. Qxd6 Qc5 (20... Qc3 $5 21. Kd1 $8 Qc5 22. Qxc5 Rxc5 $11) 21. Qxc5 Rxc5 22. Re1 Ke7 23. Kb2 Rhc8 24. Re3 d6 25. f4 Kf8 26. c3 Rb8 27. b4 Rc4 28. g3 a5 29. Nb3 axb4 30. axb4 Ke7 31. Nd4 Kf6 32. Kb3 d5 33. Ra2 Rc7 34. Ra6 {[%cal Rd4e6] Hoping for Nxe6!} Be4 35. b5 g6 $1 36. Kb4 Rc4+ 37. Ka5 Bg2 $2 (37... Rc5 $1 $11 {and Black has nothing to worry.}) 38. Rc6 $1 $18 Ra8+ 39. Kb6 $1 Rca4 40. Kc7 $1 R4a7+ {[#]} 41. Kd6 $1 Rd8+ 42. Kc5 Bf1 43. b6 Ra5+ 44. Kb4 Ra1 {[#]} (44... Ra2 $16) 45. Rc7 $2 (45. Rf3 $1 $18) 45... Rb8 $11 46. Kc5 {aiming for Nc6.} Rb1 47. Rc6 Ba6 48. c4 Ra1 ({Better is} 48... dxc4 $11 49. Ra3 Ra8) 49. Rc7 $2 {[%mdl 8192]} ({Stronger than} 49. cxd5 Ra5+ 50. Kb4 Rxd5 $17) (49. Nb5 $1 $14 {keeps the upper hand.}) 49... Rc1 $19 50. Kb4 {c5 is the strong threat.} Rxb6+ 51. Ka5 Rb2 {( -> ...Ra1+)} 52. Nb3 (52. Rb3 Ra2+ 53. Kb6 Bxc4 54. Rb4) 52... Rxc4 {Black is clearly winning.} 53. Nc5 Rb5+ 54. Kxa6 Rbxc5 {KRR-KRR} 55. Rd7 Rc7 56. Rxc7 Rxc7 57. Kb5 Kf5 58. Kb4 f6 59. Kb3 d4 {Never resign too early!  Weighted Error Value: White=0.50/Black=0.21} 0-1

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.29"]
[Round "9.3"]
[White "Alsina Leal, Daniel"]
[Black "Hernandez, Cristian"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2497"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,55,43,12,37,35,40,15,21,26,31,18,53,44,60,65,87,87,94,85,106,91,112,114,128,120,137,143,157,142,152,142,138,-182,813,833,831,818,833,833,828,833,812,806]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 7. g4 Bg7 8. Bg2 h5 {[%cal Rh5g4] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 9. g5 Nfd7 10. Be3 Nc6 {The position is equal.} 11. Qd2 O-O 12. O-O-O {[#]} Rb8 $146 ({Predecessor:} 12... Nde5 13. b3 Qa5 14. f4 Nxd4 15. Bxd4 Nc6 16. Bxg7 Kxg7 17. Kb2 Be6 18. Rhf1 Rac8 {1-0 (67) Navara,D (2719)-Van Wely,L (2683) Wijk aan Zee 2007}) 13. f4 Nxd4 14. Bxd4 e5 15. Be3 {f5 is the strong threat.} exf4 16. Bxf4 Be5 17. Nd5 Bxf4 18. Qxf4 Ne5 19. Nf6+ $1 Kg7 20. Rd5 $1 {[%cal Rd5e5] Strongly threatening Rxe5.} Qc7 21. Rhd1 Be6 22. Rxd6 {[%cal Bd5d6,Bd6e6,Be6e7][%mdl 32]} Nc4 {[#]} 23. Nd7 $2 {[%mdl 8192]} (23. Bf1 $1 $16 {[%cal Rf1c4]} Nxd6 24. Qe5) 23... Rfc8 $4 {[%mdl 8192]} (23... Rfd8 $19 24. b3 (24. Nxb8 $2 Rxd6 25. Rd3 Qxb8 $19) 24... Nxd6 25. Qe5+ Kg8 26. Nf6+ Kf8) 24. Qf6+ $18 {White is clearly winning.} Kg8 25. Rxe6 {Black must now prevent Re7.} Ne5 {[#]} 26. c3 $1 Nxd7 {[#]} 27. Rxd7 $1 {[%mdl 512]} Qxd7 28. Re7 {Weighted Error Value: White=0.28/Black=0.12} 1-0

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.29"]
[Round "9.4"]
[White "Vasquez Schroeder, Rodrigo"]
[Black "Rios, Cristian Camilo"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2485"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,43,4,0,0,0,0,0,7,7,14,0,9,3,4,11,6,6,6,7,18,16,19,32,41,31,52,9]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O c6 8. Qc2 Nbd7 $1 {[%mdl 4] is more profitable than 8...b6 at the moment.} 9. Bf4 b6 10. Rd1 Ba6 {E08: Closed Catalan: Main Line: 7 Qc2.} 11. cxd5 cxd5 12. Ne5 Nxe5 {The position is equal.} 13. dxe5 Ng4 14. h3 Rc8 15. Nc3 Nxf2 16. Kxf2 {aiming for Bf3.} Bc5+ 17. Be3 Bxe3+ 18. Kxe3 b5 {[#] And now ...b4 would win.} 19. Qd3 Qb6+ 20. Qd4 {Strongly threatening Qxb6.} Qb8 21. Kf2 {[#] a3 is the strong threat.} f6 $146 ({Predecessor:} 21... b4 22. Nb1 f6 23. Qe3 fxe5+ 24. Kg1 e4 25. Nd2 Qb6 26. Qxb6 axb6 27. Bf1 Rc2 {½-½ (37) Dominguez Perez,L (2739)-Karjakin,S (2773) Saint Louis 2018}) 22. exf6 {Weighted Error Value: White=0.02/Black=0.03} 1/2-1/2

[Event "I Magistral Barbera del Valles 2021"]
[Site "Barbera del Valles"]
[Date "2021.11.29"]
[Round "9.5"]
[White "Sankalp Gupta"]
[Black "Asis Gargatagli, Hipolito"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2468"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2021.11.20"]
[EventType "tourn"]
[EventCountry "ESP"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,33,30,30,34,31,31,29,31,28,25,45,18,22,26,23,-10]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} c5 12. Bxd5 Bxd5 13. d4 O-O 14. dxc5 {[#]} Bxa2 $146 ({Predecessor:} 14... Bc6 15. Qxd8 Raxd8 16. Nd2 Bf6 17. Re2 Rfe8 18. Rxe8+ Rxe8 19. Kf1 b4 20. c4 Bd7 21. c6 Be6 22. f3 h5 23. Kf2 Bd4+ 24. Kf1 Bf6 25. Kf2 Bd4+ {½-½ (25) Ilyasov,A (2395)-Larsson,M (2302) ICCF email 2018}) 15. Qxd8 Rfxd8 16. Nd2 Be6 17. Kf1 {Weighted Error Value: White=0.06/Black=0.04} 1/2-1/2

