[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Sasikiran, Krishnan"]
[Black "Thorfinnsson, Bragi"]
[Result "1-0"]
[ECO "C75"]
[WhiteElo "2688"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,75,45,48,55,66,36,69,45,47,47,47,34,84,40,96,83,111,109,91,91,104,121,110,111,142,94,98,82,164,114,137,81,85,57,61,43,62,66,66,12,70,55,106,83,131,37,173,136,1664,1641,2116,2065,1877,1835,29993,29994]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O g6 7. d4 Bg7 8. Re1 Nge7 9. Be3 O-O 10. Nbd2 Qe8 {C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6} 11. Bb3 Kh8 {LiveBook: 4 Games} (11... b6 12. dxe5 dxe5 13. a4 Kh8 14. Nc4 a5 15. Bxb6 cxb6 16. Nd6 Qb8 17. Ng5 Nd8 18. Ndxf7+ Nxf7 19. Nxf7+ Rxf7 20. Bxf7 {½-½ (33) Areshchenko,A (2665)-Demchenko,A (2600) Abu Dhabi 2016}) 12. dxe5 dxe5 {White is slightly better.} 13. Bc5 Rd8 $146 ({Find the theoretical novelty and annotate with similar games:} 13... b6 14. Ba3 Na5 15. Bc2 f6 16. Qe2 Qf7 17. Bd3 b5 18. b4 {½-½ (34) Marinkovic,S (2434)-Budimir,B (2240) Tuzla 2004}) 14. Qe2 b6 15. Ba3 Na5 16. Bd5 ({Much weaker is} 16. Qxa6 Bb5 $15) 16... c6 17. Bb3 Bc8 (17... c5 $14) 18. Bc2 $36 {[%mdl 2048] White is in control.} c5 19. b4 cxb4 20. Bxb4 Nac6 21. Ba3 b5 22. Bc5 Bh6 23. Nf1 Be6 {[#] Threatens to win with ...Bc4.} 24. Bb3 g5 (24... Qd7 $16) 25. Ne3 Rg8 26. Rad1 ({White should try} 26. Bxe6 fxe6 27. Ng4) 26... Ng6 $16 27. Nf5 Nf4 28. Qc2 Bf8 29. Be3 f6 30. Bxf4 (30. h4 $14) 30... Rxd1 (30... gxf4 $11 31. Bxe6 Qxe6) 31. Rxd1 $14 Bxb3 (31... gxf4 $14 32. Bxe6 Qxe6) 32. Qxb3 gxf4 33. Kf1 ({White should play} 33. Nd6 $16 Bxd6 34. Rxd6) 33... b4 (33... Nd8 $1 $14) 34. Nd6 {[%cal Bf5d6,Bd6f7,Bf7e5][%mdl 32]} Qg6 $2 {[%mdl 8192]} (34... Bxd6 $16 35. Rxd6 bxc3) 35. Nh4 $18 Qh5 36. Nf7+ Kg7 37. Nf5+ Kg6 {[#]} 38. Nxe5+ $1 {[%mdl 512] Precision: White = 45%, Black = 36%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Nabaty, Tamir"]
[Black "Lei, Tingjie"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2654"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,105,17,13,16,12,12,0,26,-3,-7,-8,-7,-23,0,0,0,0,0,-8,-21,-16,-5,-37,-44,-80,-59,-64,-64,-92,-77,-81,-81,-81,-79,-91,-94,-90,-83,-77,-89,-70,-71,-102,0,-4,0,-20,7,0,10,13,40,16,46,40,50,17,33,21,51,49,105,104,102,95,99,104,104,102,172,164,209,190,210,210,209,206,205,200,557,580,564,564,577,575,637,637,625,607,603,587]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 e5 6. dxe5 Nxe5 7. Qe2 Qe7 8. Bb5+ Bd7 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (8... Nc6 9. Be3 Nf6 10. h3 g6 11. Nd2 Bg7 12. Bc5 Qxe2+ 13. Nxe2 Nd7 14. Bd6 Nb6 15. a4 Bd7 16. a5 {1-0 (68) Efimenko,Z (2648)-Rapport,J (2334) Zalakaros 2017}) 9. Bxd7+ {LiveBook: 5 Games} Kxd7 10. Qb5+ Kc7 {White must now prevent ...Nd3+.The position is equal.} 11. Bf4 g5 $1 {[%cal Rg5f4]} 12. Bxe5+ $146 ({Find the theoretical novelty and annotate with similar games:} 12. Qa5+ Kc8 13. Bxe5 Qxe5+ 14. Ne2 Nf6 15. Na3 Bxa3 16. Qxa3 {½-½ (32) Hausdorf,H (2295)-Popov,V (2276) ICCF email 2010}) 12... Qxe5+ 13. Ne2 Re8 14. Nd2 a6 $36 {[%mdl 2048] Black has the initiative.} 15. Qd3 $1 Nf6 16. Nf3 Qe4 17. Qxe4 dxe4 18. Nxg5 Rg8 19. Nh3 Rxg2 20. Nhf4 Rg4 21. h3 Rg5 22. Rg1 Rf5 23. Rd1 Bh6 24. Ng2 Rf3 25. Rh1 Nd7 {Hoping for ...Ne5.} 26. Nd4 Rf6 $1 27. Ke2 Ne5 28. b3 Nd3 {[%csl Gd3][%cal Rf6f2]} 29. Rdf1 Nf4+ ({Black should play} 29... Rd8 $17 30. Ne3 Nf4+ 31. Kd1 Rc6) 30. Nxf4 $11 Bxf4 31. Rhg1 Rg6 32. Rg4 Rxg4 33. hxg4 {[%mdl 4096] Endgame KRB-KRN} Rg8 34. f3 (34. Rh1 $5 {[%cal Rh1h7]}) 34... exf3+ 35. Kxf3 Bg5 36. Re1 Rd8 37. Re5 Bd2 38. Ke4 Kb6 (38... h6 $14) 39. Kd3 $1 $16 {[%cal Rd3d2]} Bc1 40. Kc2 Ba3 41. Rf5 Rg8 42. Rf6+ Kc5 {[#]} (42... Ka7 $16) 43. b4+ $1 $18 Kd5 44. Kb3 ({But not} 44. Rxf7 $6 Bxb4 45. Rd7+ (45. cxb4 Kxd4 46. Rxh7 b5 $14) (45. Rxh7 Rxg4 46. cxb4 Rxd4 $14) (45. Rxb7 Bc5 $16) 45... Bd6 $16) 44... Bc1 45. Rxf7 Rxg4 46. Rxh7 b5 {[#]} 47. Rd7+ $1 Ke4 $2 (47... Ke5 {is tougher.} 48. a4 bxa4+ 49. Kxa4 Rg6) 48. Rd6 {White is clearly winning.} Rg2 49. Nc2 Bd2 50. Rxa6 Rg1 {( -> ...Rb1+)} 51. Na3 Bf4 52. Rb6 Be5 53. Rxb5 {Precision: White = 74%, Black = 51%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Jumabayev, Rinat"]
[Black "Wieczorek, Oskar"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "2610"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,162,33,33,34,39,29,42,53,58,39,39,45,43,25,25,29,30,16,29,26,44,33,41,31,31,31,43,41,58,60,62,53,56,47,84,80,90,60,85,84,131,92,97,94,152,168,162,163,153,136,155,92,272,266,281,264,234,226,354,352,342,323,310,176,196,191,195,195,177,179,173,135,241,234,266,259,278,216,234,206,197,216,218,214,205,202,207,127,134,45,116,102,122,118,166,164,147,168,202,201,190,179,183,159,136,95,253,145,152,160,139,98,90,80,76,64,75,75,203,203,559,60,62,55,68,71,66,34,40,22,22,16,15,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Bg2 Qa5+ 6. Bd2 Qb6 7. dxc5 Qxc5 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 8. Qb3 Ne4 9. Be3 Qa5+ 10. Nbd2 Nc6 11. O-O Nd6 {LiveBook: 4 Games} 12. Bf4 $146 ({Predecessor:} 12. Rfd1 Nf5 13. Nf1 Nxe3 14. Nxe3 O-O 15. Rac1 {0-1 (54) Grachev,B (2672)-Inarkiev,E (2666) Vladivostok 2014}) 12... Nf5 13. Ne4 d6 14. Bd2 Qc7 15. e3 O-O 16. Rac1 Qb6 17. Bc3 Qxb3 18. axb3 a5 19. Ra1 Bd7 20. Rfd1 Nb4 21. Ne1 Bc6 22. Bxb4 axb4 23. Nd3 Rxa1 24. Rxa1 d5 25. cxd5 Bxd5 26. Nec5 Bxg2 27. Kxg2 Rd8 {Hoping for ...b6.} 28. Ra7 Nd6 29. Kf3 $36 {[%mdl 2048] White is more active.} b6 30. Rd7 Rc8 31. Na6 Kf8 32. Nc7 Nb7 ({Black should try} 32... Ne8 33. Nd5 Nf6 34. Nxf6 (34. Nxb6 Nxd7 35. Nxc8 Ne5+ 36. Ke2 Nc6 $16) (34. Nxe7 Re8 $17) 34... Bxf6) 33. Ne6+ $1 $16 fxe6 34. Rxb7 $18 {[%mdl 4096] Endgame KRB-KRN} Rc6 35. Ke4 Rd6 36. g4 (36. f4 $142) 36... Kf7 $2 (36... g5 $16) 37. g5 (37. Nxb4 Bxb2 38. Nd3 Bf6 $16) 37... Bh8 38. h4 (38. Nxb4 Bxb2 39. Rc7 Ba3 $16) 38... Bg7 39. Rb8 (39. Nxb4 $6 Bxb2 40. Rc7 Rd2 $16) 39... h6 (39... Rc6 {is a better defense.} 40. Nxb4 Rd6) 40. gxh6 (40. Nxb4 hxg5 41. hxg5 Bxb2 $16) 40... Bxh6 41. Ne5+ (41. Nxb4 Bg7 $16) 41... Kg7 42. Nc4 (42. f4 $142) 42... Rd5 43. Rxb6 Rh5 44. Rxe6 Rxh4+ 45. Kf3 Bg5 46. Re4 Rh8 (46... Rh3+ $16 47. Kg2 Rh5) 47. Ne5 $1 Rb8 48. Nd3 Bf6 49. Ke2 (49. Nxb4 Kf7 $16) 49... g5 50. Kd2 ({Resist} 50. Nxb4 $6 Kg6 $16) 50... Kg6 51. Kc2 Kf5 52. Rc4 ({But not} 52. Rxb4 $6 Rxb4 53. Nxb4 g4 $16) 52... g4 53. Nxb4 Rh8 {intending ...Rh2.} 54. Nd5 Bg5 55. Rc5 (55. Kd3 $1 $16) 55... Kg6 (55... Rh2 $14) 56. Rc6+ Kf5 {[#]} 57. Kd3 $1 Rb8 58. b4 e6 59. Nb6 Bd8 60. Rc5+ Kg6 61. Nc4 Rxb4 62. Ne5+ Kf6 63. Nc6 Rb7 $2 (63... Rb3+ $16 {keeps fighting.} 64. Rc3 Rb7) 64. b4 (64. Nxd8 $18 Rd7+ 65. Kc3 Rxd8 66. b4) 64... Rd7+ $16 {[#]} 65. Ke2 $1 Bc7 66. Nd4 Bd6 67. Rc6 Bxb4 68. Rxe6+ Kg5 69. Re5+ Kf6 (69... Kg6 $16) 70. Re4 $18 Rg7 $2 (70... Bc3 71. Rxg4 Ra7 72. Rf4+ Kg6 73. Rg4+ Kh5) 71. Ne6 $2 ({White must play} 71. Rf4+ $18 Kg6 72. Rxg4+ Kf6 73. Rxg7 Kxg7 74. e4) 71... Kf5 $14 72. Kd3 Rd7+ 73. Nd4+ Kg5 74. Re5+ Kh4 75. Rb5 Be1 {The position is equal.} 76. Ke2 Bc3 77. Ne6 Rd2+ 78. Kf1 g3 79. fxg3+ Kxg3 80. Ng5 (80. Nd4 $5) 80... Rd1+ 81. Ke2 Rd2+ {Precision: White = 63%, Black = 53%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Bogner, Sebastian"]
[Black "Yankelevich, Lev"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2600"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,121,22,37,47,85,91,91,81,92,85,89,89,100,100,100,96,101,81,85,64,66,77,61,62,79,80,67,67,82,65,70,68,73,64,85,35,42,42,47,41,43,40,35,18,31,17,27,27,43,19,23,34,41,0,0,0,0,0,0,0,0,0,0,0,0,0,135,0,0,0,0,16,150,0,13,0,0,0,141,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e5 8. dxe5 dxe5 9. Bg5 Be6 10. Qa4 Qe8 {LiveBook: 5 Games. E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (10... h6 11. Rad1 Qe7 12. Nd5 Bxd5 13. Bxf6 Bxf6 14. cxd5 Nd4 15. e4 Nxf3+ 16. Bxf3 Rfd8 17. Rc1 Qd7 18. Qxd7 Rxd7 {½-½ (35) Edouard,R (2628)-Bacrot,E (2692) Cap d'Agde 2016}) 11. Nd2 Nd4 $146 {White must now prevent ...Nxe2+!} ({Predecessor:} 11... h6 12. Bxf6 Bxf6 13. Nd5 Bd8 14. Ne4 f5 15. Nc5 Bc8 16. Rad1 Nd4 17. Qxe8 Rxe8 18. Nc3 {½-½ (44) Michiels,B (2536)-Kovalev,A (2517) Gent 2017}) 12. Qxe8 $1 Raxe8 {White is better.} 13. e3 Nf5 14. Bxf6 Bxf6 15. Bxb7 Rb8 16. Bd5 $1 Rxb2 17. Nde4 Be7 18. Bxe6 fxe6 19. c5 Kf7 20. Rfd1 Rd8 21. Rxd8 Bxd8 22. Rb1 Rxb1+ 23. Nxb1 $16 {[%mdl 4096] Endgame KBN-KNN} Ke8 24. Kf1 Kd7 25. Ke2 Kc6 26. Kd3 Be7 27. Kc4 a5 28. g4 Nh6 $1 29. Nbd2 Nxg4 30. Nf3 Kb7 $1 31. Kb5 Nf6 $1 32. c6+ (32. Nfg5 {is interesting.} Nxe4 33. Nxe4 a4 34. Kxa4 Kc6 35. Kb4) 32... Ka7 $1 33. Nxf6 Bxf6 $11 {KB-KN} 34. a4 g5 $1 35. Nd2 ({Of course not} 35. Kxa5 e4 $17) 35... g4 36. Ne4 Bh4 37. Kxa5 Kb8 38. Ka6 Be7 39. Kb5 Bh4 40. Ka6 Be7 41. a5 Bh4 42. Kb5 Ka7 (42... h6 $11 {keeps the balance.}) 43. a6 (43. Nc5 $1 $16 {[%cal Rc5e6]} Kb8 44. Nd7+ (44. Nxe6 Bxf2 45. Nf8 h5 $17) 44... Ka7 45. Nxe5) 43... Kb8 44. Ka5 h6 45. Kb5 h5 {[#]} (45... Be7 $1 $11) 46. Ka5 ({White has to play} 46. Ng3 $1 $16) 46... Ka8 47. Ka4 (47. Ng3 $11) 47... Ka7 $16 48. Kb5 Kb8 {[#]} 49. Kb4 (49. Ng3 $1 $16) 49... Ka7 $11 {The position is equal.} 50. Ka5 Ka8 51. Nc5 Bxf2 52. Nxe6 Bxe3 53. Nxc7+ Kb8 $132 {[%mdl 2048] Black is not keeping still} 54. Nd5 Ba7 $1 55. Kb5 {Threatening mate with c7+.} Kc8 $1 56. Nf6 Kc7 57. Nxh5 e4 58. Kc4 Kxc6 59. Nf6 $1 Bb8 60. Nxg4 Bxh2 61. Nxh2 {Precision: White = 71%, Black = 80%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Kryakvin, Dmitry"]
[Black "Bernotas, Arturs"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2583"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,47,93,84,91,87,96,95,97,97,109,110,118,119,169,123,127,125,120,127,153,153,165,160,193,177,195,164,245,183,459,456,734,719]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Nf6 5. dxc5 e5 (5... Na6 6. e4 Nxc5 7. Nc3 d6 8. Qd2 Bd7 9. Nge2 h6 10. Be3 Rc8 11. a4 Qa5 12. Nf4 g5 13. Nd3 Nxd3+ 14. cxd3 {1-0 (66) Adhiban,B (2672)-Karthikeyan,M (2585) Chengdu 2017}) 6. Bxe5 {A45: Trompowsky Attack} Bxc5 7. Bd4 Qb6 8. Bxc5 Qxc5 9. Qd2 {LiveBook: 3 Games} O-O {[#]} 10. Nc3 $1 d5 11. e3 Nc6 {[%cal Bb8c6,Bc6e5,Be5c4][%mdl 32]} 12. O-O-O Be6 13. Nge2 Rac8 $146 14. Nd4 Ne5 15. Kb1 a6 16. Bd3 b5 17. Nce2 Bd7 18. g4 Rfd8 19. Nf4 Nc4 20. Qf2 Ne8 21. Rhe1 Bc6 (21... Qd6 $142 22. Qh4 g6) 22. Nf5 {aiming for Qh4.} Qb4 $2 {[#]} (22... g6 {was worth a try.}) 23. c3 $18 Qf8 (23... Qxb2+ $142 24. Qxb2 Nxb2 25. Kxb2 Rc7) 24. Qh4 {Precision: White = 78%, Black = 33%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Neiksans, Arturs"]
[Black "Zakhartsov, Vladimir"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2582"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,55,19,29,12,12,4,70,60,129,123,161,141,243,220,231,229,232,223,340,322,385,326,343,318,2019,1991,1992,1896]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O d6 7. d4 cxd4 8. Qxd4 a6 9. Rd1 Be7 10. b3 Nbd7 11. Bb2 Qc7 12. e4 O-O 13. Qe3 Rfe8 14. Rac1 {A30: Symmetrical English: Double Fianchetto and Hedgehog} Rac8 15. h3 Qb8 {[#] LiveBook: 14 Games} 16. Nh2 $146 {White has an edge.} ({Predecessor:} 16. Nd4 Bf8 17. Re1 Ba8 18. Rcd1 Nc5 19. f3 g6 20. Qf2 Bg7 21. Bf1 Nh5 22. Bg2 Nf6 23. Re2 Rcd8 24. Ba1 Nh5 25. Red2 Bh6 26. Re2 Bg7 27. Red2 Bh6 28. Re2 {½-½ (28) Bocharov,D (2581)-Rozum,I (2602) Khanty-Mansiysk 2016}) 16... Qa8 17. Ng4 Nh5 ({Black should play} 17... Nxg4 $11 18. hxg4 b5) 18. Bf3 $14 Kf8 (18... Nhf6 $14) 19. Rd2 Nc5 {[#]} 20. Rcd1 $1 Qb8 (20... Rcd8 $16 {might work better.} 21. b4 Nd7) 21. b4 $18 Nd7 {[#]} 22. e5 $1 {[%cal Be4e5,Be5d6][%mdl 544]} Bxf3 (22... dxe5 23. Rxd7) 23. Qxf3 g6 (23... Qa8 {was worth a try.} 24. Qxa8 Rxa8) 24. exd6 Bg5 25. Ne4 Bxd2 26. Rxd2 Qb7 $2 (26... e5 27. Ng5 f6 28. Nxf6 Nhxf6) 27. Nh6 {[%csl Gh6][%cal Rf3f7]} f6 28. Nxf6 {Precision: White = 87%, Black = 30%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Kulaots, Kaido"]
[Black "Wan, Yunguo"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2577"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,52,5,21,15,16,18,0,191,176,197,117,117,117,248,291,296,292,296,220,235,172,191,152,268,182,225,211,209,266,256,194,194,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nc3 Bg7 5. h4 O-O (5... c6 6. Nf3 Bg4 7. Be2 Nbd7 8. Ne5 Bxe2 9. Qxe2 h5 10. O-O-O Qa5 11. Kb1 {1-0 (44) Karjakin,S (2781)-Giri,A (2771) Stavanger 2017}) 6. h5 {D00: 1 d4 d5: Unusual lines} c5 7. hxg6 {LiveBook: 4 Games} hxg6 8. Qd2 Nc6 9. O-O-O c4 $146 (9... Qa5 $11 {and Black stays safe.}) ({Predecessor:} 9... Bf5 10. Bd3 Bxd3 11. Qxd3 {½-½ (20) Deghose,M (2192)-Storkan,Z (2146) LSS email 2011}) 10. f3 $1 $18 b5 11. g4 ({White should try} 11. Nxb5 $18 Nh5 12. e4) 11... b4 $16 {[#]} 12. Na4 $1 b3 (12... Qa5 $16 13. b3 Rd8) 13. axb3 $18 cxb3 14. cxb3 Bd7 15. Qh2 Nb4 {next ...Bxa4 is good for Black.} 16. Bh6 {Black must now prevent Bxg7.} Rc8+ 17. Kb1 {aiming for Bxg7.} Rc2 (17... Qc7 $16) 18. Ne2 {Hoping for Bxg7.} Bxa4 19. Bxg7 $40 {[%csl Gg7,Gh1][%cal Rh2h8][%mdl 128] White attacks with force.} (19. bxa4 $2 Qc8 $19) 19... Nh5 20. bxa4 ({Weaker is} 20. Bxf8 Bxb3 21. Bxe7 (21. gxh5 Qa5 $17) 21... Qa5 $17) 20... Qd7 21. Bxf8 ({But not} 21. gxh5 $2 Qxa4 22. Nc3 Qb3 $19) 21... Qxa4 {[%csl Gb4][%cal Ra4a2] [#]} 22. Nc3 $2 (22. Nc1 $1 $18 Rxh2 23. b3 Rxh1 24. bxa4 Kxf8 25. gxh5 gxh5 26. Ne2) 22... Rxc3 $1 $11 {The position is equal.} 23. bxc3 Qb3+ 24. Kc1 (24. Qb2 $5 {[%cal Rb2b3]} Qxd1+ 25. Qc1 Qb3+ 26. Qb2 Qd1+ 27. Qc1 Qb3+ 28. Qb2 Qd1+ $11) 24... Qxc3+ 25. Kb1 Qb3+ 26. Kc1 (26. Qb2 $5 {[%cal Rb2b3]} Qxd1+ 27. Qc1 Qb3+ 28. Qb2 Qd1+ 29. Qc1 Qb3+ 30. Qb2 Qd1+ $11) 26... Qc3+ {Precision: White = 83%, Black = 64%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Vorobiov, Evgeny E"]
[Black "Henderson de La Fuente, Lance"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2569"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,35,0,0,-18,-18,-22,-25,-13,0,0,0,0,27,19,56,-77,-77,-73,-25,-24]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 d5 5. exd5 Nxd5 6. O-O Nxc3 7. bxc3 e4 {C47: Scotch Four Knights and Four Knights with 4 g3} 8. Ne1 Bd6 9. f3 Bf5 {LiveBook: 12 Games. The position is equal.} 10. Rb1 O-O 11. fxe4 $146 ({Predecessor:} 11. Rb5 Bg6 12. fxe4 Qh4 13. e5 Nxe5 14. d4 Ng4 15. Nf3 {1-0 (47) Popov,I (2627)-Paravyan,D (2428) Moscow 2014}) 11... Bxe4 {White must now prevent ...Qh4.} 12. Nf3 Qe7 13. d4 Rae8 14. Bd3 f5 15. Ng5 (15. Rxb7 $2 Nxd4 $1 {[%mdl 512]} 16. cxd4 Bxb7 $17) 15... Na5 16. Bd2 {[#]} (16. Qh5 $1 $14 {stays ahead.} g6 17. Qh6) 16... h6 $1 $17 {[%cal Rh6g5]} 17. Nh3 b6 18. Qh5 {Precision: White = 59%, Black = 47%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Ghosh, Diptayan"]
[Black "Percivaldi, Martin"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2562"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,45,37,40,40,29,34,30,30,33,33,38,29,55,54,63,34,46,37,43,37,43,44,96,99,164,157,157,136,145,137,126,131,181,190,317,233,340,299,325,323,310,279,29988,29989,29989,29990,29990,29991]} 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 a6 5. d4 Bf5 6. Ne5 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} Nbd7 7. Qb3 Qc7 8. cxd5 Nxe5 9. dxe5 Nxd5 10. Nxd5 {LiveBook: 39 Games} cxd5 11. Bd2 e6 12. Rc1 Qd7 13. Be2 {And now Qb6 would win.} Be7 {[#]} 14. Ba5 $146 Bd8 15. Bb4 Be7 16. Bxe7 Qxe7 17. Qb6 {Black must now prevent Rc7.} O-O 18. Rc7 Qg5 19. O-O Bh3 {[%csl Gh3][%cal Rg5g2] [#]} 20. Bf3 f6 ({Black should try} 20... h6 $14) 21. Kh1 $16 Bg4 (21... Bf5 $16 {keeps fighting.}) 22. Bxg4 $18 (22. Rxb7 $6 fxe5 23. Bxg4 Qxg4 $16) 22... Qxg4 23. h3 $36 {[%mdl 2048] White is on the roll.} ({Resist} 23. Qxb7 $6 fxe5 24. b3 Qg6 $14) 23... Qf5 24. exf6 Qxf6 25. Rxb7 Rac8 26. Qxa6 Rc2 (26... Ra8 {is a better defense.} 27. Qd6 Rxa2) 27. Qd6 h5 (27... Rd8 {was called for.} 28. Qb6 e5 29. Qxf6 gxf6) 28. Re7 Rd2 29. Rxe6 Qxb2 30. Re5 Qxa2 $2 {[#]} (30... Rf6 $18 31. Qe7 Qb8 32. Rxh5 Qd6 33. Qe8+ Rf8) 31. Qe6+ {White mates.} Rf7 32. Rf5 d4 33. Qe8+ {Precision: White = 85%, Black = 31%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Boruchovsky, Avital"]
[Black "Bracker, Frank"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2556"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,117,13,16,38,27,53,0,0,8,50,39,54,36,44,36,36,36,36,36,33,25,41,7,4,3,5,-13,0,-28,33,33,37,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,66,66,85,66,66,66,125,108,137,25,25,25,25,25,1419,1160,361,25,889,25,1425,1386,954,752,681,615,12835,12835,12840,12840,12842,12840,12842,12843,12847,12847,12849,12849,12850,12850,12850,29975,29972,29972,29982,29983,29983,29984,29985,29985,29985,29986]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O d6 6. c3 {[%cal Bc2c3,Bc3d4,Bd4d5][%mdl 32]} O-O 7. h3 a6 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (7... Ne7 8. Re1 c6 9. Ba4 Ng6 10. d4 Bb6 11. Nbd2 Re8 12. Bc2 h6 13. a4 Bc7 14. Nf1 d5 15. Nxe5 Nxe5 16. dxe5 Bxe5 {1-0 (36) Hou,Y (2666)-Bacrot,E (2715) Biel 2017}) 8. Bxc6 bxc6 9. d4 {LiveBook: 7 Games} exd4 {The position is equal.} 10. cxd4 Bb6 11. Bg5 $146 (11. Nc3 $14) ({Predecessor:} 11. Nc3 Bb7 12. Re1 h6 13. Bf4 Re8 14. Qd3 g5 15. Bh2 Qd7 {½-½ (15) Kovarik,O (2103)-Puskas,M (2142) Slovakia 2003}) 11... h6 $11 12. Bh4 Re8 13. Nc3 Bb7 14. Qd2 c5 15. d5 Ba5 16. Rae1 c6 17. e5 dxe5 18. Nxe5 Bxc3 19. bxc3 Qxd5 (19... cxd5 $2 20. Ng4 $18) 20. Qb2 Bc8 $1 (20... Rxe5 $2 21. c4 $18) 21. f4 Bf5 22. Rd1 Rab8 (22... Qe4 $11) 23. Qf2 $14 Qe6 24. Bxf6 Qxf6 25. c4 Red8 26. Qxc5 Rxd1 27. Rxd1 Rb2 {White must now prevent ...Bxh3!} (27... Bxh3 $5 28. Nxc6 (28. gxh3 Qxf4 29. Nd3 Qg3+ 30. Kf1 Qxh3+ 31. Ke1 Qg4 $15) 28... Bg4 $11) 28. Qd4 $36 {[%mdl 2048] Black is under pressure.} ({But not} 28. Nxc6 Be4 $19) 28... Rxa2 29. g4 Bc2 30. Rd2 c5 31. Qd8+ Kh7 $1 32. Qxf6 gxf6 33. Nxf7 $11 {[%mdl 4096] Endgame KRB-KRN} Ra1+ (33... a5 $11) 34. Kf2 $14 Bg6 35. Rd7 Bxf7 $1 36. Rxf7+ {KR-KR} Kg6 37. Rc7 {And now h4 would win.} h5 38. Rxc5 ({Better is} 38. Rc6 $1 $16) 38... hxg4 $1 $11 39. hxg4 {aiming for Rc6.} a5 40. Rc6 {g5 is the strong threat.} Kf7 $2 {[%mdl 8192]} (40... Kg7 $11) 41. Kf3 Re1 42. Rc5 $2 ({White must play} 42. Rc7+ $1 $18 Ke8 43. Rc5) 42... Rc1 $2 {[%mdl 8192]} (42... a4 $11) 43. Ke4 $2 (43. Rc7+ $18 Ke8 44. Ke4) 43... Kg6 $2 {[%mdl 8192]} (43... a4 $11) 44. Rc6 $18 Re1+ 45. Kd4 Rf1 46. Ke3 $1 Kf7 47. Ke4 Rc1 48. Kf5 Ke7 49. Re6+ Kd7 50. Ra6 Rxc4 51. Rxa5 Ke7 {[#]} 52. Ra6 $1 {[%cal Ra6e6]} Rc5+ {[#]} 53. Kg6 $1 Rc8 54. Rxf6 Rg8+ {White mates.} 55. Kf5 Rxg4 56. Re6+ ({Not} 56. Kxg4 Kxf6 57. Kh5 Kf7 $11) 56... Kf7 57. Kxg4 Kxe6 58. Kg5 Kf7 59. Kf5 {Precision: White = 60%, Black = 47%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Schroeder, Jan-Christian"]
[Black "Kaasen, Tor Fredrik"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2539"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,17,8,22,20,33,32,31,26,21,25,33,37,37,19,27,33,82,51,214,203,218,218,220,247,225,234,239,244,217,197,439,421,432,432,416,400,893,821,1296,176,1824,1760,29996,29997,29997,29998]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. a4 {C50: Hungarian Defence and Giuoco Pianissimo} d6 7. c3 Ba7 8. Re1 O-O 9. h3 h6 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32] LiveBook: 59 Games} Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Qc2 Ne7 14. Nf1 Ng6 {[#]} 15. Ng3 $146 d5 16. c4 dxc4 17. dxc4 Nf4 18. Rd1 Rd6 $2 ({Black should play} 18... Qe8 $14) 19. Bxf4 $1 $18 exf4 20. Nf5 Rxd1+ 21. Rxd1 Qe8 22. e5 Nh7 {[#]} 23. Qe4 $1 {[%cal Re4b7]} Qxa4 24. Re1 {aiming for e6.} Qxb4 $2 (24... Re8 {was called for.}) 25. e6 fxe6 26. Qxe6+ Kh8 27. Qg6 {[%csl Gf5][%cal Rg6g7]} Rg8 (27... Bxf2+ $142 28. Kxf2 Qb2+ 29. Re2 Nf8 30. Qxh6+ (30. Rxb2 Nxg6 31. N3d4 Rb8 $18) 30... gxh6 31. Rxb2 b6) 28. Re8 {[%csl Gf5][%cal Rg6g7]} Nf8 {[#]} 29. Qf7 $2 $40 {[%mdl 128] White has strong attack.} (29. Rxf8 $1 {[%csl Gf5][%cal Rg6g7][%mdl 512]} Bxf2+ (29... Qxf8 30. Ng5) 30. Kh2 Bg3+ 31. Kh1 Qb1+ 32. Ng1 Qxf5 33. Rxf5) 29... Qc5 $2 (29... Bc5 30. Ne5 Qb2) 30. Ne7 {[%csl Ge7][%cal Rf7g8]} Qxf2+ 31. Kh2 {[%csl Ge7][%cal Rf7g8]} Qg3+ 32. Kh1 {Precision: White = 69%, Black = 18%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Vishnu Prasanna  V"]
[Black "Pavlov, Sergey"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2538"]
[BlackElo "2475"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,70,6,30,-133,51,52,52,50,42,-43,-35,-41,-22,-5,-37,-40,-45,-46,-38,-171,-164,-164,-170,-160,-142,-208,-158,-232,-164,-164,-172,-169,-148,-260,-262,-265,-264,-250,-259,-244,-250,-365,-363,-329,-331,-447,-436,-521,-517,-566,-564,-985,-496]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. Bd3 Ba6 11. c4 $2 {B45: Sicilian Four Knights} (11. Bxa6 $11 Qxa6 12. Qe2 Qxe2+ 13. Kxe2) (11. Qe2 Bxd3 12. Qxd3 f5 13. exf6 Nxf6 14. Nxf6+ gxf6 15. Be3 Qxb2 16. O-O Qa3 17. Qe2 h5 18. Rab1 Bc5 19. Rb3 Bxe3+ {½-½ (19) Fernandez Romero,E (2434)-Parligras,M (2494) Seville 2007}) 11... Ne3 $2 (11... Qd4 $17 12. Qb3 Nb4) 12. Qe2 $1 $14 Bb4+ 13. Kf2 $146 {White is slightly better.} ({Predecessor:} 13. Bd2 Bxd2+ 14. Qxd2 Nf5 15. c5 Qb7 16. Bxa6 Qxa6 17. g4 Ne7 18. Nd6+ Kf8 19. f5 Nd5 20. fxe6 dxe6 21. Rf1 {1-0 (21) Hoffmann,H (2320)-Werner,H (1898) Leipzig 2001}) 13... Nc2+ 14. Kg3 ({White should play} 14. Be3 $1 $14 Nxe3 15. Qxe3) 14... Nxa1 $15 15. Be3 Qa5 16. Rxa1 Be7 17. Bd2 Qc7 18. Rd1 c5 19. Nd6+ (19. Bc2 $15) 19... Bxd6 $19 20. exd6 Qxd6 21. Be4 Rc8 22. Bc3 (22. b3 $17 {was necessary.}) 22... Qe7 23. Qg4 (23. Qc2 $17 {keeps fighting.}) 23... f6 ({Don't go for} 23... Bxc4 $2 24. Qxg7 Qf8 25. Qxh8 $18) 24. Qh5+ Kf8 25. b3 d6 {[%cal Bd7d6,Bd6d5][%mdl 32]} 26. f5 {[#]} (26. Re1 $17) 26... d5 $1 {[%cal Rd5e4]} 27. cxd5 exd5 28. Bf3 d4 29. Bd2 Bb7 30. Re1 (30. Be2 {might work better.}) 30... Bxf3 31. Qxf3 Qd7 32. Bf4 Kf7 {Black is clearly winning.} 33. Qh5+ g6 34. Qh6 Qxf5 35. Rf1 Qh5 {Precision: White = 25%, Black = 75%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Bailet, Pierre"]
[Black "Agmanov, Zhandos"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2536"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,90,23,26,17,27,20,41,0,0,0,-2,-17,0,0,0,-32,0,0,16,27,13,-8,-8,-8,0,4,26,21,43,40,96,61,87,64,133,126,129,83,74,59,58,57,69,0,0,0,0,0,0,-658,-657,-657,-655,-635,-629,-557,-543,-528,-528,-520,-513,-616,-603,-644,-622,-635,-622,-625,-612]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 Bxc6 8. Bxc6+ bxc6 9. c4 Nf6 10. Qa4 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Qd7 11. e5 Ng8 {[%cal Bf6g8,Bg8e7,Be7g6][%mdl 32]} (11... Ng4 12. Nf3 f6 13. exf6 gxf6 14. cxd5 exd5 15. O-O Bd6 16. Bf4 c5 17. Rfe1+ Be7 18. Rxe7+ Kxe7 {1-0 (46) Anand,V (2803)-Bartel,M (2622) Berlin 2015}) 12. O-O Ne7 {LiveBook: 18 Games} 13. Rd1 $146 ({Predecessor:} 13. Nf3 Nf5 14. Bd2 Bc5 15. Rac1 Bb6 16. Rfe1 Ne7 17. c5 Bd8 {½-½ (30) Kaczur,F (2431)-Kosic,D (2486) Budapest 2017}) 13... Ng6 14. Nf3 Bc5 15. b3 O-O 16. cxd5 exd5 17. Bb2 Rac8 18. Rac1 Bb6 19. h3 Rfe8 20. Bd4 Bxd4 21. Qxd4 Qf5 22. Qd3 Qxd3 23. Rxd3 f6 24. Rdc3 $36 {[%mdl 2048] White is pushing.} fxe5 (24... Nxe5 {looks sharper.} 25. Nd4 Rcd8 26. R1c2 Rd7 27. f4 Ng6) 25. Rxc6 Rxc6 26. Rxc6 $11 {[%mdl 4096] Endgame KRN-KRN} Rd8 (26... Nf4 $14) 27. Kf1 d4 28. Nd2 Rd7 ({Black should try} 28... Nf4 $14) 29. g3 $16 Kf7 30. Ke2 Ne7 31. Ra6 {And now Nc4 would win.} Nd5 32. Nc4 Nc3+ 33. Kd3 (33. Kd2 $14 Ne4+ 34. Kd1) 33... e4+ $11 34. Kd2 {Ne5+ is the strong threat.} Kf8 35. Ne5 Re7 36. Nc6 $2 {[%mdl 8192]} (36. Nc4 $11) 36... e3+ $1 $19 {Black is clearly winning.} ({Not} 36... Re6 37. Nb8 $15) 37. Ke1 exf2+ 38. Kxf2 Re2+ $1 39. Kf3 d3 {[%cal Bd4d3,Bd3d2][%mdl 32] White must now prevent ...d2.} 40. Rxa7 d2 $1 {[%cal Rd2d1]} 41. Rd7 {[#]} Rh2 $1 42. Rd8+ Kf7 43. Ne5+ {[#]} Ke7 $1 {[%cal Re7d8]} 44. Nc6+ Ke6 {Threatens to win with ...Nd5.} 45. Nd4+ Kf7 {Precision: White = 55%, Black = 48%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Dastan, Muhammed Batuhan"]
[Black "Smirin, Ilia"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2529"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,10,18,8,9,10,20,21,27,27,42,6,6,11,16,-16,-11,-64,-58,-93,-89,-88,-88,-88,-56,-34,-39,-18,-33,-32,5,0,55,-29,0,0,0,0,14,15,20,0,0,0,0,0,0,0,5,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Nc6 {LiveBook: 7 Games} 7. Be3 Ng4 8. Nxc6 bxc6 9. Bd2 h5 10. f3 Ne5 $146 ({Predecessor:} 10... Nf6 11. Bg5 Be6 12. Qd2 g6 13. Ne2 Bg7 {1-0 (46) Shankland,S (2676)-Ortiz Suarez,I (2570) Matanzas 2017}) 11. Be3 Rb8 12. b3 g6 13. Bd4 Bg7 14. Ne2 (14. f4 $11) 14... O-O (14... c5 $5 {[%cal Rc5d4]} 15. Bc3 O-O $15) 15. f4 Ng4 16. Bxg7 Kxg7 17. Qd2 e5 18. fxe5 $1 dxe5 (18... Qb6 $5 {[%cal Rb6f2]} 19. Qd4 dxe5 20. Qxb6 Rxb6 $17) 19. Qxd8 $1 Rxd8 20. Rh3 f5 21. Rc3 f4 (21... Rb4 $11) 22. g3 (22. Ng1 $1 $14) 22... Ne3 {[#] aiming for ...Rb4.} (22... Rf8 {seems wilder.} 23. gxf4 Rb4 24. Bg2 exf4 25. Rxc6 f3) 23. gxf4 {The position is equal.} Nxf1 24. Kxf1 Bg4 25. Ke1 exf4 {Hoping for ...Rb4.} 26. Rxc6 Rf8 {[#] Strongly threatening ...f3.} 27. Nc3 ({Wrong is} 27. Rxa6 $2 f3 $19) 27... Rbc8 28. Rxc8 Rxc8 $11 {[%mdl 4096] Endgame KRB-KRN} 29. Kd2 $1 Kf6 (29... g5 $5) 30. Nd5+ Ke5 31. c4 Rf8 32. Ke1 Kxe4 {Threatens to win with ...Kf3.} 33. Kf2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 34. Ne7 a4 35. Re1+ Kd4 36. Nxg6 Rf6 37. Ne5 axb3 38. axb3 Ra6 {...Ra2+ is the strong threat.} 39. Nf3+ Kc3 40. Re4 Ra2+ {Precision: White = 62%, Black = 54%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Ali Marandi, Cemil Can"]
[Black "Gokerkan, Cem Kaan"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2526"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,109,37,37,60,23,41,0,11,-23,-18,-29,-25,-22,-19,-21,0,-39,-28,-41,0,0,15,19,20,7,0,-4,72,55,65,58,118,114,285,300,290,279,328,247,439,433,490,490,473,468,843,771,810,602,750,580,750,451,451,451,451,451,451,445,512,505,825,818,864,858,801,622,1027,981,1418,1407,1104,1029,1132,1060,4698,5522,1581,5054,12839,12839,12840,12840,12843,12842,12842,12841]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Ra7 {E05: Open Catalan: 5 Nf3 Be7} (10... Be4 11. Qc1 c6 12. Rd1 Nbd7 13. Nc3 Bg6 14. a3 c5 15. Be3 Qc7 16. Ne5 cxd4 17. Nxg6 hxg6 18. Bxa8 dxe3 19. Nd5 exf2+ {1-0 (80) Hou,Y (2652)-Hammer,J (2621) Moscow 2017}) 11. Rc1 Be4 12. Qb3 Bd5 13. Qe3 {LiveBook: 8 Games} Ne4 14. Be1 $146 (14. Ne5 $5 {[%cal Rg2e4]} Nd6 15. Bxd5 exd5 16. Bb4 $14) ({Predecessor:} 14. Ba5 Nd6 15. b3 Nc6 16. Rxc6 Nf5 17. Qc1 Bxc6 18. Qxc6 Nxd4 19. Nxd4 Qxd4 {½-½ (41) Rut,V (2105)-Walid,A (1887) Prague 2013}) 14... Nd6 15. Nbd2 Nd7 16. Qd3 Qa8 17. Nb3 Nc4 18. Bc3 Be4 19. Qd1 Rc8 20. Nbd2 Nxd2 21. Qxd2 c5 (21... a5 $5 {[%cal Rb5b4]} 22. Qf4 b4 $15) 22. dxc5 Nxc5 23. Qf4 f6 24. Qe3 {Ba5 is the strong threat.} a5 25. Bh3 Kf7 (25... f5 $1 $11 {remains equal.}) 26. Nd4 b4 27. Be1 $1 {[%cal Bc3e1,Be1f2,Bf2e3][%mdl 32] And now Nxe6! would win.} Ra6 {[#]} (27... Rd8 $14) 28. Nxe6 $1 $16 {[%mdl 512]} Rxe6 $2 (28... Nxe6 $16 29. Rxc8 Qxc8 30. Qxe4 g6) 29. Bxe6+ $18 Kxe6 30. f3 f5 31. Bf2 ({Much less strong is} 31. fxe4 $6 Nxe4 32. Bf2 (32. Rxc8 Qxc8 33. Rc1 Bc5 $18) 32... Bc5 $18) 31... g5 $2 (31... a4 {was called for.} 32. Be1 Qb7 33. fxe4 Nxe4 34. Rxc8 Qxc8 35. Qb6+ Kf7 36. Bxb4 Bf6) 32. fxe4 {White is clearly winning.} Nxe4 33. Qb3+ Ke5 34. Qf7 ({Weaker is} 34. Rxc8 Qxc8 35. Rd1 Nxf2 $18) 34... Bf8 (34... Rxc1+ $142 35. Rxc1 Qf8 36. Qxh7 Nf6 37. Bd4+ Ke6 38. Rc6+ Bd6) 35. Be3 Nd6 36. Qxh7 Qe4 37. Bf2 Nc4 38. Qh8+ ({Less strong is} 38. b3 Ne3 $14) 38... Ke6 {intending ...Ne3.} 39. Qd4 Qxd4 40. Bxd4 Kd5 41. Rd1 Ke4 42. Rac1 a4 (42... Be7 $142 43. b3 Nd6) 43. b3 axb3 44. axb3 Nd6 45. Bc5 f4 46. g4 f3 47. exf3+ Kxf3 48. Rf1+ Kxg4 {[#]} 49. Rxf8 $1 {[%mdl 512]} Rxf8 50. Bxd6 {KRB-KR} Rf3 51. Rb1 Kh3 52. Bxb4 g4 53. Bc5 Rc3 54. b4 Rc2 55. Rb3+ {Precision: White = 77%, Black = 24%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Blomqvist, Erik"]
[Black "Braun, Arik"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2525"]
[BlackElo "2577"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,66,3,45,13,22,19,21,10,20,16,13,15,15,16,9,12,3,0,0,0,19,0,0,0,0,0,-5,-36,-14,-45,-27,-66,-30,-38,-45,-48,-42,-41,0,0,56,52,62,66,71,0,102,0,0,0,0,0,0,0,0]} 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. e3 Nc6 5. Ne2 d6 6. Nbc3 h5 7. h3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Nh6 {LiveBook: 12 Games} (7... e5 8. a3 Be6 9. d3 Nge7 10. Nd5 O-O 11. Rb1 Rb8 12. Nec3 a6 13. g4 h4 14. g5 b5 {0-1 (55) Vera Gonzalez Quevedo,R (2439)-Oliva Castaneda,K (2498) Matanzas 2017}) 8. b3 Bd7 9. Bb2 a6 $146 ({Predecessor:} 9... Nf5 10. Rb1 a6 11. O-O Rb8 12. Ne4 Bxb2 13. Rxb2 b5 14. d3 bxc4 15. dxc4 {0-1 (46) Kleman,M (2207)-Lanc,A (2369) Banska Stiavnica 2013}) 10. d4 cxd4 $1 11. Nxd4 Nxd4 12. exd4 Rb8 13. Qd2 Nf5 14. Ne4 b5 15. c5 d5 16. Nc3 e6 17. Ne2 b4 18. O-O Bb5 19. Rfe1 O-O 20. h4 (20. a4 $5 {[%cal Ra4b5]} bxa3 21. Rxa3 $11) 20... Qf6 21. Red1 Rfc8 (21... Bh6 $5 {[%cal Rh6d2]} 22. Qc2 a5 $15) 22. a4 bxa3 (22... Bxe2 $5 23. Qxe2 a5 $11) 23. Rxa3 Bh6 24. Qc2 g5 25. hxg5 $1 Qxg5 26. Bc1 Qg4 (26... Qg7 $11) 27. Nf4 $14 {Threatens to win with Bh3.} Bxf4 28. Bxf4 Rb7 29. Kh2 (29. b4 $16) 29... Nh4 (29... h4 $11 {keeps the balance.}) 30. Bh3 (30. b4 $16) 30... Nf3+ $11 {The position is equal.} 31. Kg2 Nh4+ 32. Kh2 Nf3+ 33. Kg2 Nh4+ {Precision: White = 42%, Black = 60%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Sulskis, Sarunas"]
[Black "Onischuk, Vladimir"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2519"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,148,37,43,21,56,2,8,12,21,0,0,0,0,0,0,0,0,-45,-17,-25,-27,-20,-24,-27,-13,-18,-9,-15,-11,-9,-8,-2,0,-29,0,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,-79,-75,-70,-70,-65,-35,-31,-7,0,0,0,0,0,-3,-3,-8,-83,-82,-85,-71,-70,-20,-72,-75,-162,-119,-108,-100,-105,-113,-113,-110,-112,-105,-107,-100,-117,-100,-74,-47,-63,-52,-62,-64,-61,0,-8,0,-56,-9,-9,0,-8,0,-30,-30,-30,-30,-30,-33,-33,-31,-49,-17,-34,-16,-74,-74,-74,-68,-68,-24,-24,-24,-71,-71,-71,-71,-400,-32,-114,-116,-1301,-1348]} 1. c4 d6 2. d4 g6 3. Nc3 Bg7 4. e4 Nf6 5. Be2 O-O 6. Be3 c6 7. h4 {E73: King's Indian: Averbakh Variation without 6...c5} (7. Nf3 Na6 8. O-O e5 9. dxe5 dxe5 10. h3 Qe7 11. Qc2 Nh5 12. Rfd1 Nf4 13. a3 Nc5 14. b4 Nxe2+ 15. Nxe2 Ne6 16. c5 a5 17. Bd2 Re8 18. Bc3 Nc7 {0-1 (51) Vogel,R (2462)-Naiditsch,A (2702) Dresden 2017}) 7... h5 {LiveBook: 3 Games} 8. Qd2 e5 $146 ({Predecessor:} 8... a5 9. O-O-O a4 10. a3 Qa5 11. f3 Nbd7 12. g4 e5 13. Kb1 Rb8 14. g5 Ne8 {½-½ (67) Mueller,K (2525)-Buhr,C (2392) Hamburg 2001}) 9. Rd1 (9. O-O-O $14) 9... exd4 $11 10. Bxd4 Re8 11. Nf3 Nxe4 12. Nxe4 Rxe4 13. Bxg7 Kxg7 14. Ng5 Re8 15. O-O Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 16. Rfe1 Nf6 17. Qxd6 Qxd6 18. Rxd6 Bf5 19. Kf1 Ng4 20. Nf3 Rad8 21. Red1 Rxd6 22. Rxd6 Nf6 23. Nd2 a5 24. f3 a4 25. Kf2 Ra8 26. Nf1 a3 27. b3 Nd7 28. Ng3 Nc5 29. Nxf5+ gxf5 {[%mdl 4096] Endgame KRB-KRN} 30. Bd1 f4 31. b4 Na6 32. b5 Nb4 33. bxc6 (33. Bb3 $11) 33... bxc6 $17 34. Bb3 c5 35. g3 fxg3+ (35... Rb8 $5 {[%cal Rb4a2]} 36. gxf4 Nxa2 37. Bxa2 Rb2+ 38. Ke3 Rxa2 $17) 36. Kxg3 Re8 37. Rd7 Re3 38. Rc7 Nd3 39. Ra7 Re2 40. Rxa3 f5 41. f4 (41. Ra7+ $11 {remains equal.} Kf6 42. Rh7) 41... Re3+ 42. Kh2 {[#] Threatens to win with Bd1.} Nxf4 43. Ra5 Rh3+ 44. Kg1 Ne6 45. Rb5 (45. Ba4 $17 {is a better defense.}) 45... Kf6 46. a4 Nd4 47. Rb6+ Ke5 48. Bd1 Ra3 {aiming for ...Ra1.} 49. Bxh5 Rxa4 50. Bf7 Ra7 51. Bd5 Rh7 52. Rb8 Ne2+ 53. Kf2 Nc3 $1 {[%cal Rc3d5]} 54. Rc8 Kd4 55. Rf8 Ke5 (55... Rh5 $15) 56. Rc8 $11 Kd4 57. Rf8 $1 Ne4+ 58. Kf3 Nd2+ (58... Rxh4 $5 {[%cal Rh4h2]} 59. Rxf5 Nd2+ 60. Kg3 Rh6 $11) 59. Kg3 Nf1+ 60. Kf4 Rxh4+ 61. Kxf5 {And now Kg5 would win.} Ne3+ 62. Kg5 Rg4+ 63. Kh5 Rg7 64. Bg8 Ke5 65. Bf7 Rg1 66. Bg6 (66. Re8+ $11 Kd4 67. Rd8+ Kc3 68. Rc8) 66... Nxc4 $17 67. Re8+ Kd6 68. Bf7 Nb6 69. Re6+ Kc7 70. Rg6 Rf1 71. Bg8 Nd7 {Strongly threatening ...Nf6+.} 72. Kg5 $2 {[%mdl 8192] [#]} (72. Bb3 $17 {is tougher.}) 72... Ne5 $2 (72... Nf8 $1 $19 {[%cal Rf8g6]} 73. Rg7+ Kd6) 73. Re6 (73. Rf6 $15 Nf3+ 74. Kf5) 73... Rg1+ 74. Kf5 $2 {[%mdl 8192]} (74. Kf6 $17) 74... Nc6 {Precision: White = 51%, Black = 60%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Kollars, Dmitrij"]
[Black "Pershin, Denis"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2514"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,56,29,0,0,2,23,0,0,0,0,-10,-10,-28,-18,-29,-29,-18,-25,-19,0,-45,0,-11,0,0,0,-26,-21,-35,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nf6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 c5 12. Ne4 {B19: Classical Caro-Kann: 4...Bf5 main line} cxd4 (12... Nc6 13. Bc3 cxd4 14. Nxd4 Nb4 15. Nxf6+ gxf6 16. Bxb4 Bxb4+ 17. c3 Be7 18. O-O-O Qb6 19. Qb5+ Kf8 {1-0 (55) Wei,Y (2727)-Wang,H (2690) China 2017}) 13. Nxf6+ {LiveBook: 5 Games} Qxf6 14. Qxd4 $146 ({Find the theoretical novelty and annotate with similar games:} 14. Qb5+ Nd7 15. Qxb7 Rb8 16. Qxa7 Bc5 17. Qa6 Rxb2 18. O-O O-O 19. Rab1 Rbb8 {1-0 (52) Salai,L (2395)-Gavrilov,A (2487) Olomouc 2002}) 14... Nd7 15. Be3 Bc5 16. Qxf6 gxf6 17. Bxc5 Nxc5 18. Ke2 Rg8 19. g3 Ke7 20. Rh4 f5 21. Rd4 Rac8 22. Rad1 Rc7 23. c3 Ne4 24. Ne5 Nf6 25. Rc4 Rxc4 26. Nxc4 f4 27. gxf4 Nxh5 28. f5 Rc8 {Precision: White = 54%, Black = 66%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Meskovs, Nikita"]
[Black "Alekseenko, Kirill"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2495"]
[BlackElo "2575"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,30,17,27,0,0,0,10,4,4,10,20,-27,-8,-24,-27,-25,-28,-18,-18,-106,0,0,0,0,0,0,0,0,0,0,0,0,88,97,305,303,310,312,295,280,281,260,305,309,256,303,322,319,299,297,332,325,347,339,546,543,542,534,950,958,718,695,659,656,796,756,1202,1160,1514,1514,2029,1632,29985,29986,29973,1031,1845,1541,29991,29992,29992,29991]} 1. c4 e6 2. Nf3 Nf6 3. d4 b6 4. g3 Bb4+ 5. Nbd2 Bb7 6. Bg2 O-O 7. O-O d5 8. Ne5 Re8 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (8... Nbd7 9. Nxd7 Qxd7 10. a3 Be7 11. cxd5 exd5 12. Nf3 Bd6 13. Bf4 Bxf4 14. gxf4 c5 15. e3 Qe7 16. dxc5 bxc5 17. Qc2 Rac8 18. Qf5 Rfd8 {½-½ (33) Eljanov,P (2757)-Vitiugov,N (2718) Novi Sad 2016}) 9. a3 {LiveBook: 4 Games} Bd6 10. cxd5 exd5 {The position is equal.} 11. Ndc4 Bf8 (11... Bxe5 $5 12. Nxe5 Nbd7 $11) 12. Bg5 $146 ({Predecessor:} 12. Qc2 Ne4 13. Nd2 Nxd2 14. Bxd2 c5 15. Bc3 Nd7 16. Qf5 Nxe5 17. dxe5 Rb8 {½-½ (57) Lopez Mulet,I (2343)-Mesaros,F (2270) Prague 2016}) 12... Qc8 13. Nd2 Qe6 (13... Qf5 $5 {[%cal Rf5g5]} 14. Bxf6 Qxf6 $11) 14. f4 c5 15. f5 Qd6 16. Bf4 Qd8 17. e3 Nc6 18. g4 (18. Ndf3 $11) 18... h6 ({Black should try} 18... cxd4 $17 19. Nxc6 Bxc6 20. exd4 Bb5) 19. Ndf3 $1 $11 Bd6 20. h4 h5 $1 {[%cal Rh5g4]} 21. g5 $1 $36 {[%cal Rg5f6][%mdl 2048] White has the initiative.} Ng4 22. g6 fxg6 23. fxg6 {aiming for Nf7.} Bxe5 24. dxe5 Ne7 {[#]} (24... Qd7 $11 {keeps the balance.}) 25. Ng5 $1 $16 {Black must now prevent Bg3.} Rf8 $2 {[#]} (25... Qc8 $16 {was necessary.}) 26. Bh3 $1 $18 {[%cal Rh3g4]} ({Weaker is} 26. Ne6 Qd7 $14) 26... Qe8 27. Bxg4 hxg4 28. h5 Nf5 29. Qxg4 Qc6 30. Rae1 Rae8 ({Reject} 30... d4 31. e4 $18) 31. Nh7 Bc8 {intending ...Nxe3.} 32. Nxf8 Rxf8 33. Bh2 Be6 34. Qg5 Qd7 35. Rf3 Rd8 $2 (35... Nh6) 36. Ref1 {[%cal Rf3f5]} Nh6 37. Bg3 d4 38. Bh4 Re8 39. Qf4 {Intending Qf8+! and mate.} Qc8 40. exd4 cxd4 41. Qxd4 Nf5 42. Qf2 Nxh4 43. Qxh4 {White threatens h6 and mate.} Bd5 44. R3f2 {White wants to mate with h6.} Qe6 45. Qb4 Qc8 46. Kh2 (46. Qf4 $142 Qc5 47. h6 Kh8 48. hxg7+ Kxg7 49. Qf6+ Kg8 50. g7 Qe7 51. Qf8+ Rxf8 52. gxf8=Q+ Qxf8 53. Rxf8+ Kg7 54. R1f6) 46... a5 47. Qxb6 Bc6 48. Qb3+ Kh8 49. Qf7 {Precision: White = 78%, Black = 46%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Christiansen, Johan-Sebastian"]
[Black "Badelka, Olga"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2475"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,98,0,0,-1,6,3,46,0,5,8,0,-9,6,-8,0,-18,-4,-14,-22,-25,11,12,22,13,19,0,29,30,12,-12,0,0,0,0,1,0,25,18,15,0,0,0,0,0,0,0,0,0,0,-9,0,0,0,0,41,26,30,43,88,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd3 d5 8. O-O Be7 9. Qe2 O-O {LiveBook: 28 Games. B40: Sicilian: 2...e6, Unusual lines} 10. Re1 (10. b3 Bb7 11. Bb2 c5 12. Rad1 Qc7 13. Nb5 Qb6 14. e5 Nd7 15. c4 d4 16. f4 g6 17. Be4 Bxe4 18. Qxe4 {1-0 (61) Pichot,A (2544)-Tregubov,P (2585) Doha 2016}) 10... Re8 11. Bf4 $146 ({Predecessor:} 11. b3 Bb4 12. Bd2 Qa5 13. a3 Bxc3 14. b4 Qd8 15. Bxc3 d4 16. Bb2 e5 17. c3 {½-½ (49) Muratet,L (2045)-Di Nicolantonio,L (2322) Nimes 2012}) 11... d4 12. Nb1 Nd7 13. Nd2 e5 14. Bg3 Bf6 15. c3 Rb8 16. Rab1 Nc5 17. Bc4 dxc3 18. bxc3 Be6 19. Bxe6 Rxe6 20. Nc4 {[%cal Bd2c4,Bc4e3,Be3f5,Bf5d4][%mdl 32]} Na4 21. Rbd1 Qc7 22. Qc2 Nb6 23. Ne3 Bg5 24. Nf5 g6 25. h4 Bf4 26. Bxf4 exf4 27. Nd4 Re7 28. c4 (28. e5 $5) 28... Rbe8 29. Nf3 Nd7 30. Qd2 c5 31. Re2 Nb6 32. Qc2 Nd7 33. Qa4 Ne5 34. Nxe5 Qxe5 35. Qa5 f3 36. gxf3 Qh5 37. Re3 Re5 38. Rd8 (38. Rd5 $16) 38... Qxh4 $11 {The position is equal.} 39. Rxe8+ Rxe8 40. Qxc5 {[%mdl 4096] Endgame KQR-KQR} Rd8 {[#] ( -> ...Rd1+)} 41. Re1 Rd3 42. Kg2 Qf4 43. Re3 Rd1 44. Qa5 h5 {[#] ...h4 is the strong threat.} (44... a6 $5) 45. Re1 $1 {[%cal Re1d1]} Rd3 46. Re3 $1 {[%cal Re3d3]} Rd1 47. Re1 $1 {[%cal Re1d1]} Rd3 48. Re3 $1 {[%cal Re3d3]} Rd1 49. Re1 $1 {[%cal Re1d1]} Rd3 {Precision: White = 72%, Black = 45%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Tang, Andrew"]
[Black "Lavendelis, Egons"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2475"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,127,28,28,40,34,33,0,89,78,86,63,117,65,93,70,75,58,69,62,47,34,26,0,69,54,50,41,64,14,15,22,84,33,140,133,140,133,206,203,206,206,257,232,238,230,230,231,227,227,385,375,466,469,614,618,582,614,606,585,630,625,666,756,725,713,701,698,764,749,729,712,716,644,958,885,1027,1016,2400,2388,1312,1177,5377,3607,6418,10834,12790,12790,9400,9204,5469,4658,3964,847,843,843,843,837,831,779,29972,29973,29973,29974,29981,29983,29986,29987,29988,29987,29987,29988,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 O-O 8. Qd2 c6 {D70: Grünfeld: Unusual White 3rd moves (met by ...d5)} (8... Nc6 9. O-O-O Qd6 10. Kb1 Rd8 11. Nb5 Qd7 12. d5 a6 13. Nc3 Qe8 14. Qc1 Na5 15. h4 e6 16. Bf4 Rd7 17. Bh6 Bxh6 18. Qxh6 exd5 {½-½ (35) Aronian,L (2809)-Svidler,P (2749) Geneve 2017}) 9. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} e5 10. d5 f5 (10... cxd5 $11 {remains equal.} 11. exd5 h5) 11. h5 $16 cxd5 12. exd5 f4 ({Black should try} 12... gxh5 $14 13. Rxh5 f4) 13. Bf2 $146 (13. Bc5 $16) ({Find the theoretical novelty and annotate with similar games:} 13. Bc5 Re8 14. hxg6 hxg6 15. O-O-O Bf5 16. Bxb6 axb6 {0-1 (40) Ehlvest,J (2536)-Lavendelis,E (2271) Tallinn 2017}) 13... Bf5 $14 14. Bd3 N8d7 15. Nge2 Rc8 16. hxg6 hxg6 17. Bxf5 gxf5 18. d6 Nf6 ({Black should play} 18... Nc4 $11 19. Qd5+ Rf7) 19. Bxb6 Qxb6 20. O-O-O Qe3 21. Qxe3 fxe3 22. Ng3 Nd7 {[#]} (22... f4 $11 23. Nf5 Kf7) 23. Kb1 (23. Rh5 $1 $16) 23... Nb6 {[#]} (23... f4 $1 $14 24. Nge4 Kf7) 24. Rh5 $1 $16 f4 25. Nf5 Kf7 (25... Bf6 $16) 26. Nxg7 $18 Kxg7 27. Rxe5 Nc4 28. Re7+ Rf7 29. Rxf7+ Kxf7 {[%mdl 4096] Endgame KRN-KRN} 30. d7 Rd8 31. Rd4 Nd2+ $2 (31... Ne5 32. Rxf4+ Kg6) 32. Kc2 Ke6 33. Ne2 Rxd7 34. Nxf4+ Ke7 35. Rxd7+ Kxd7 {KN-KN} 36. Kd3 Kd6 37. b3 Ke5 38. Kxe3 Nf1+ 39. Kf2 Nd2 40. Ne2 a5 41. Ke3 Nf1+ 42. Kd3 b5 43. Nd4 Kf4 44. Nxb5 Ne3 45. Nd6 Nxg2 46. Nc4 Ne1+ 47. Kc3 Nxf3 48. Nxa5 Ke5 49. Nc4+ Kd5 50. a4 Ng5 51. Ne3+ Ke4 52. Nc2 Kd5 53. Nb4+ Kc5 54. Nd3+ Kd5 55. Kb4 Ne6 56. a5 Kc6 57. Kc4 {White mates.} Nc7 58. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Kb7 59. b5 Na8 60. Nc5+ Ka7 61. Kd5 Nc7+ 62. Kc6 Kb8 63. b6 Kc8 64. b7+ {Precision: White = 83%, Black = 43%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Fedorovsky, Michael"]
[Black "Sanal, Vahap"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2467"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,59,35,15,18,0,0,0,6,-11,-8,-8,-9,-17,-8,-8,-12,-27,-21,-23,-11,-1,30,0,0,0,0,0,0,0,0,0,46,36,75,61,65,75,85,48,105,108,143,152]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Rd1 f5 {E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3} (10... d6 11. Qe3 d5 12. Ne5 Bxg2 13. Kxg2 c6 14. cxd5 cxd5 15. Bd2 Qd6 16. Rac1 f6 17. Nf3 Nc6 18. Rc2 Rac8 19. Rdc1 Rc7 20. Bb4 {1-0 (20) Radjabov,T (2696)-Indjic,A (2573) Novi Sad 2016}) 11. d5 $146 ({Predecessor:} 11. Be3 Bf6 12. Qd2 d6 13. Rac1 Nc6 14. Ng5 Bxg5 15. Bxg5 Ne7 16. Bxe4 fxe4 17. Qc2 e3 18. f3 {1-0 (63) Staniszewski,P (2419)-Strzemiecki,Z (2421) Poronin 2012}) 11... Bf6 12. Qa3 e5 {The position is equal.} 13. c5 bxc5 14. Qxc5 d6 15. Qc4 Nd7 16. Ne1 Nb6 17. Qc6 Bxg2 18. Nxg2 a5 19. Be3 g5 20. Rac1 (20. Bxb6 $5 cxb6 21. Rac1 $11) 20... f4 $1 {[%cal Rf4e3]} 21. Bxb6 cxb6 22. Qa4 b5 23. Qe4 Qd7 24. Rc6 Ra7 25. Rdc1 a4 26. Ne1 {[%cal Bg2e1,Be1d3,Bd3f2][%mdl 32]} Rb7 27. Nd3 Bd8 28. Kg2 Rf6 {[#]} (28... Bb6 $14) 29. f3 $1 $16 h5 30. Nf2 {Precision: White = 75%, Black = 57%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Hambleton, Aman"]
[Black "Sirosh, Ilja"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2461"]
[BlackElo "2299"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,113,26,17,33,32,35,29,29,29,29,29,22,33,56,48,66,50,53,48,82,71,85,61,107,93,100,105,97,109,107,52,125,86,85,68,56,40,49,45,57,0,42,43,135,154,130,156,271,268,312,310,375,347,366,372,356,252,234,135,134,144,129,137,113,124,193,197,199,195,193,183,196,195,331,268,316,219,386,359,438,420,366,366,537,510,391,293,760,788,555,493,1479,1636,12837,12837,12839,12835,12842,12842,12851,12851,12851,12851]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c5 (5... c6 6. Nf3 Bg4 7. Be2 Nbd7 8. Ne5 Bxe2 9. Qxe2 h5 10. O-O-O Qa5 11. Kb1 {1-0 (44) Karjakin,S (2781)-Giri,A (2771) Stavanger 2017}) 6. Nb5 {A45: Trompowsky Attack} Na6 7. c3 {LiveBook: 5 Games} h6 8. Be2 {White is slightly better.} O-O 9. Nf3 Bg4 $146 ({Predecessor:} 9... Ne4 10. Ne5 Nd6 11. a4 {1-0 (47) Zhang,Z (2641)-Praggnanandhaa,R (2447) Dubai 2017}) 10. Ne5 Bxe2 11. Qxe2 Nd7 12. Nf3 h5 13. O-O Re8 14. Rfd1 cxd4 15. exd4 Nf6 16. Ne5 Ne4 17. a4 Rf8 18. Nf3 Qd7 19. Re1 Qf5 20. g3 Rfe8 21. Ng5 ({White should try} 21. Rad1 $16) 21... Nxg5 (21... e5 $1 $14 22. Bxe5 (22. Nxe4 exf4 23. Nbd6 Qe6 $11) 22... Bxe5) 22. Bxg5 Bf6 23. Bxf6 Qxf6 24. Qd2 Red8 25. Re5 e6 26. Qh6 ({White should play} 26. Rg5 $14) 26... Qg7 (26... Nc5 $5) 27. Qf4 Rd7 (27... Nb8 $1 $14) 28. g4 $1 $36 {[%mdl 2048] White has strong initiative.} hxg4 29. h5 f6 (29... Nb8 $16 {was called for.}) 30. Rxe6 $18 {Hoping for h6.} gxh5 31. Rxf6 Rf7 32. Rxf7 Qxf7 33. Qg5+ Kh7 34. Re1 {aiming for Re7.} Rg8 35. Re7 ({Better is} 35. Qe5 $18) 35... Rxg5 $16 36. Rxf7+ {[%mdl 4096] Endgame KRN-KRN} Rg7 37. Rf5 Kg6 38. Rxd5 Nc7 {[#]} (38... Re7 $16 {might work better.}) 39. Re5 $1 $18 Nxb5 40. axb5 {KR-KR} ({Weaker is} 40. Rxb5 Rh7 $14) 40... Rc7 41. Kg2 h4 {[#]} 42. f4 $1 h3+ (42... gxf3+ $142 43. Kxf3 h3) 43. Kh2 Kf6 44. Rg5 Re7 $2 (44... Rh7 45. b3 (45. Rxg4 Kf5 $18) 45... Rh4) 45. Rxg4 Re2+ 46. Kxh3 Rxb2 47. Rg5 Rb3 (47... b6 {is a better defense.} 48. Kg4 Rg2+ 49. Kf3 Rc2) 48. Rc5 b6 49. Rc7 Rxb5 $2 (49... Kf5 50. Kg3 (50. Rxa7 Rxc3+ 51. Kh4 Kxf4 $11) 50... Rxb5 51. Rxa7 Rb3) 50. Rxa7 {White is clearly winning.} Rb3 51. Rc7 Ke6 (51... Kf5 $142 52. Kg3 Ke6 53. Rc6+ Kd5) 52. Kg4 b5 53. Rc6+ Kd7 54. Rc5 b4 55. cxb4 Rxb4 56. Re5 Rxd4 57. Kg5 {Precision: White = 75%, Black = 31%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Baldauf, Marco"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2460"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,49,11,11,0,11,12,12,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. a3 Rc8 12. b4 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} c5 13. bxc5 Bxf3 14. gxf3 Nxc5 15. dxc5 Rxc5 16. f4 Nd5 $1 {LiveBook: 9 Games. The position is equal.} 17. Bd2 Nxc3 18. Bxc3 Qc7 $1 19. Rfc1 Rc8 $1 {[%cal Rc5c3] [#]} 20. Bb4 $146 Rxc2 21. Rxc2 Qxc2 22. Bxc2 {[#] Black must now prevent Bd3.} Bxb4 23. axb4 Rxc2 24. Rxa7 {Intending Ra8+ and mate.} g5 25. Rb7 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Lugovskoy, Maxim"]
[Black "Ovsejevitsch, Sergei"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2440"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,103,38,41,9,16,8,46,19,22,16,27,-18,4,0,44,25,36,34,48,58,113,-31,144,25,65,0,25,2,3,0,0,-86,-77,-166,-145,-152,-145,-250,-179,179,-278,-314,-296,-304,-262,-423,-358,-464,-445,-417,-344,-453,-426,-489,-426,-435,-458,-471,-498,-597,-587,-600,-595,-654,-656,-633,-208,-263,-8,-8,306,56,49,61,56,64,59,78,511,511,510,510,1041,1038]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 h6 9. Bh4 Bg4 10. h3 {C49: Four Knights: 4 Bb5 Bb4} Bh5 11. g4 Bg6 {LiveBook: 3 Games} 12. Rb1 $146 {White is slightly better.} ({Predecessor:} 12. Re1 Re8 13. Rb1 a6 14. Ba4 b5 15. Bb3 Na5 16. Re3 Nxb3 17. axb3 d5 18. exd5 Qxd5 19. Bxf6 gxf6 {1-0 (45) Grandelius,N (2643)-Rydstrom,T (2306) Uppsala 2016}) 12... Na5 13. Nd2 Bh7 14. Re1 c6 15. Ba4 Re8 16. Nb3 (16. Bb3 $5) 16... g5 17. Bg3 b5 18. Nxa5 Qxa5 19. Bb3 Qxc3 20. h4 Kf8 (20... Bg6 $14) 21. Re3 (21. Qc1 $16) 21... Bg8 $2 (21... Kg7 $15 {keeps the upper hand.}) 22. Rf3 ({White should play} 22. Qf3 $16 Ke7 23. d4 $1 {[%mdl 512]} Qxd4 24. Rd1) 22... Nh7 $11 ({But not} 22... Nxg4 $2 23. Rf5 $18) 23. hxg5 (23. d4 $14 Qxd4 24. Rd3) 23... hxg5 24. Kg2 {Black must now prevent Bxf7.} (24. d4 $5 Qxd4 25. Qxd4 exd4 26. Bxd6+ Kg7 27. e5 $14) 24... f6 25. Qh1 Kg7 26. Qh5 (26. Rc1 $11 {keeps the balance.}) 26... Bxb3 $17 27. cxb3 (27. axb3 $17 Qxc2 28. Rh1) 27... Rh8 $1 $19 28. Rh1 Rag8 $1 29. Rh3 (29. Re3 $17) 29... c5 ({And not} 29... Nf8 30. Qe8 $16) 30. Qh6+ (30. Bh2 $142) 30... Kf7 31. Qh5+ Ke7 32. Rh1 Qa5 33. Qh2 $2 (33. a4) 33... Qxa2 34. Rc1 Nf8 {[%cal Bh7f8,Bf8e6,Be6d4][%mdl 32]} 35. Qg1 Qa6 36. b4 Qc8 37. bxc5 dxc5 38. Rf5 {intending d4!} Ne6 39. Ra1 a6 40. Qc1 Rd8 41. Qa3 Nd4 42. Rc1 b4 43. Qa2 b3 $2 (43... Qc6 44. f3 Nxf5 45. gxf5 g4) 44. Qa3 Kf7 $2 (44... Rd6 $19 45. Rxc5 Qd7 46. Bxe5 Nxf5 47. Bxf6+ Kxf6 48. gxf5 Kg7) 45. Rxc5 $40 {[%mdl 128] White is up to no good.} Qb7 $2 {[%mdl 8192] [#]} (45... Qd7 $11 {and Black is okay.} 46. Rcxe5 Qb7) 46. Bxe5 $2 ({Only move:} 46. Rxf6+ $1 $18 {[%mdl 512]} Kxf6 47. Bxe5+ Kg6 48. Rc7 Qxc7 49. Bxc7) 46... Nxf5 $14 47. Rc7+ {[#]} Qxc7 $1 48. Qxb3+ (48. Bxc7 Nh4+) 48... Kg7 49. Bxc7 Nd4 $2 {[%mdl 8192]} (49... Nh4+ $16 {is more resistant.} 50. Kf1 Nf3) 50. Qb6 $18 {White is clearly winning.} Rd7 51. e5 Rf8 (51... Kh7 $142 52. exf6 Re8) 52. Bd6 {Precision: White = 29%, Black = 29%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Das, Sayantan"]
[Black "Kovchan, Alexander"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2436"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,70,-9,-9,-17,-12,-17,-8,-15,-32,-20,-53,-38,-38,-33,-34,-29,-152,-145,-142,-151,-169,-147,-177,-78,-66,0,0,0,0,0,-468,-453,-468,-465,-565,-561,-551,-494,-490,-490,-937,-937,-941,-914,-2032,-1957,-1896,-1888]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. Qd3 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7} (9. a3 Be7 10. Bf2 Qc7 11. Qf3 Nbd7 12. O-O-O b5 13. g4 Bb7 14. h4 d5 15. e5 Ne4 16. Rh3 Nxf2 17. Qxf2 {½-½ (43) Caruana,F (2817)-Vachier Lagrave,M (2803) Karlsruhe 2017}) 9... Qxb2 10. Rb1 Qa3 11. f5 Be7 12. fxe6 fxe6 {[%cal Bf7e6,Be6e5][%mdl 32]} 13. Be2 $1 {LiveBook: 10 Games} O-O 14. O-O Kh8 15. Kh1 {Threatens to win with e5!} e5 16. Nb3 $146 ({Predecessor:} 16. Nf5 Bxf5 17. Rxf5 {0-1 (55) Magrini,F (2198)-Roeder,M (2422) Bratto 2014}) 16... Nbd7 17. g4 g5 18. Nd5 $1 {[%cal Rd5e7]} Nxd5 19. exd5 {aiming for Qg6.} Kg7 {[%cal Bh8g7,Bg7f8,Bf8e8,Be8d7,Bd7c7,Bc7d8][%mdl 32]} (19... gxh4 $6 20. Qg6 $16) 20. Qe4 (20. Rxf8 $1 $11 Nxf8 21. Rf1) 20... Nf6 $17 (20... gxh4 21. Bd3 $16) 21. Rxf6 Rxf6 ({And not} 21... Kxf6 22. Bd3 Qc1+ 23. Rxc1 Bd8 24. Rf1+ Ke7 25. Qh7+ Ke8 26. Bg6+ Rf7 27. Qxf7#) 22. Bd3 Kf8 (22... gxh4 23. Qh7+ Kf8 24. g5 $1 $11 {[%mdl 512]}) ({Weaker is} 22... Qxa2 23. Ra1 $16) 23. Bg3 {[#]} b5 (23... Bd7 $1 $19 {has better winning chances. ...Ke8 is the strong threat.} 24. Qh7 Ke8) 24. Kg1 Qa4 (24... Qxa2 $2 25. Ra1 $17) (24... Ke8 $1 $15 25. Rf1 Qa4) 25. Qh7 $11 Ke8 ({Not} 25... Qxg4 $2 26. Bg6 $18) (25... Qxa2 $2 26. Ra1 $18) 26. h3 $1 {Black should prevent Rf1.} Bb7 (26... Bxg4 $5 27. hxg4 Qxg4 28. Qg8+ Rf8 29. Qg6+ Kd8 $19) 27. Qg8+ $2 {[%mdl 8192]} (27. c4 $1 $11 {and White has nothing to worry.} Rc8 28. Nd2) 27... Kd7 $19 {Black is clearly winning.} 28. Bf5+ Kc7 29. Qg7 Re8 30. Bg6 Kd8 31. Bxe8 Kxe8 32. Re1 (32. Bxe5 $142 dxe5 33. d6 Bxd6 34. Qxb7) 32... Qc4 33. Qg8+ Kd7 {Strongly threatening ...Qc3.} 34. Rd1 Qe2 35. Re1 Qf3 {Precision: White = 53%, Black = 64%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Gholami, Aryan"]
[Black "Brunello, Sabino"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2434"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,72,0,58,40,47,-29,62,18,17,0,35,43,48,44,55,11,83,74,66,25,9,8,26,8,18,-113,-114,-118,-112,-114,-109,-107,-110,-214,-211,-224,-195,-174,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Nxd4 8. Bxd4 Ne7 9. Qe3 b5 10. O-O-O Bb7 {LiveBook: 3 Games} (10... Rb8 $11) 11. f4 Rc8 {Strongly threatening ...b4.} 12. Be5 $146 (12. Rd2 $14) ({Predecessor:} 12. Bd3 Nc6 13. Bb6 Qb8 14. Kb1 Bb4 15. Ne2 {1-0 (52) Shirov,A (2705)-Kittlitz,M (2127) Hamburg 2005}) 12... Qc6 (12... d6 $1 $11 13. Bxd6 Nd5 14. exd5 Bxd6) 13. Bd3 Ng6 14. Bd4 Qc7 15. Rhf1 Bc5 16. g3 d6 17. f5 Bxd4 (17... Ne5 $11 {keeps the balance.}) 18. Qxd4 $16 Ne5 19. fxe6 fxe6 20. Be2 Ke7 21. Qd2 h6 22. Bxb5 (22. a3 $1 $11 {remains equal.}) 22... axb5 $17 23. Nxb5 Qc5 24. Nxd6 Rc7 25. b4 Qc6 26. c4 {[#]} (26. Rf2 $17 Rd7 27. Qf4 Rxd6 28. Qxe5 Rxd1+ 29. Kxd1 Qd6+ 30. Qxd6+ Kxd6 31. e5+ Kxe5 32. a4) 26... Ba6 $1 $19 {[%cal Ra6c4]} 27. c5 {Qc3 is the strong threat.} Bxf1 28. Qd4 {[#]} Nf7 $2 (28... Rf8 $1 $19 {[%cal Rf8f3] aiming for ...Rf3.} 29. Qxe5 Rf6 30. Nf5+ Kf7) 29. Rxf1 $11 {The position is equal.} Rf8 30. Kb2 $1 $36 {[%mdl 2048] White is more active.} ({Avoid the trap} 30. Qxg7 $2 Qxd6 31. Qf6+ Ke8 $19) 30... e5 31. Nf5+ Kf6 32. Qd1 Qa6 $1 33. Nh4+ $1 Ke7 {And now ...Rb8 would win.} 34. Nf5+ Kf6 {White must now prevent ...g6.} 35. Nh4+ $1 Ke7 {Hoping for ...Rb8.} 36. Nf5+ Kf6 {Precision: White = 39%, Black = 53%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Lanka, Zigurds"]
[Black "Stocek, Jiri"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2434"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,57,19,29,-8,8,-6,-2,-17,0,-23,-16,-9,10,8,4,12,24,-1,0,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 c5 5. O-O e6 6. b3 Be7 7. Bb2 O-O 8. e3 d6 9. Nc3 Nbd7 10. Qe2 a6 11. Rad1 {[#] A30: Symmetrical English: Double Fianchetto and Hedgehog} b5 $1 {[%mdl 512]} 12. Ne1 $146 (12. cxb5 axb5) ({Predecessor:} 12. d3 b4 13. Na4 Nb6 14. Nxb6 Qxb6 15. e4 Nd7 16. d4 cxd4 17. Bxd4 Qc7 18. Ne1 Bc6 {½-½ (26) Jussupow,A (2610)-Hjartarson,J (2615) Linares 1989}) 12... Qb6 13. Ba1 d5 14. d3 {[%cal Bd2d3,Bd3c4][%mdl 32]} Rfd8 15. f4 dxc4 16. dxc4 Bxg2 17. Nxg2 b4 18. Nb1 Ne4 19. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Bf6 20. Qf3 {The position is equal.} Bxa1 21. Qxe4 {[#] And now Rxd7! would win.} Nf6 {[%cal Bd7f6,Bf6e8,Be8d6,Bd6f5][%mdl 32]} 22. Qf3 Rxd1 23. Rxd1 Rd8 24. g5 Ne8 25. Ne1 g6 26. Qe2 Nd6 27. Nd3 (27. Nd2 $5 {[%cal Rd1a1]} Bg7 28. Ndf3 $11) 27... Nf5 {...Nxe3! is the strong threat.} 28. Nd2 Bg7 {Hoping for ...Nxe3!} 29. Nf3 {Precision: White = 51%, Black = 73%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Miezis, Normunds"]
[Black "Kunin, Vitaly"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2430"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,33,7,8,11,10,11,0,0,0]} 1. c4 e6 2. e4 d5 3. exd5 exd5 4. d4 dxc4 5. Bxc4 Bd6 6. Nf3 Nf6 7. O-O O-O 8. Nc3 Nc6 9. Bg5 h6 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} 10. Bh4 Bg4 11. h3 Bxf3 12. Qxf3 Nxd4 13. Qxb7 Rb8 14. Qxa7 {[#] LiveBook: 8 Games. With the idea Ne4.The position is equal.} Ra8 $146 15. Qb7 $1 (15. Qxd4 $2 Bh2+ 16. Kxh2 Qxd4 $19) 15... Rb8 16. Qa7 (16. Bxf6 $5 Qxf6 17. Qe4 $15) 16... Ra8 $1 {[%cal Ra8a7]} 17. Qb7 ({Wrong is} 17. Qxd4 $2 Bh2+ 18. Kxh2 Qxd4 $19) 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Mu, Ke"]
[Black "Ladva, Ottomar"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2411"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,51,11,88,28,39,0,0,0,7,-33,0,8,10,-15,45,38,45,45,45,37,56,47,44,29,36,37,33,35,30,38,25,31,30,31,37,33,42,26]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 a6 5. e3 dxc4 6. a4 b6 7. Bxc4 Bb7 8. O-O Nbd7 {[#]} (8... Nc6 $11 {remains equal.}) 9. Re1 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} (9. e4 $1 $16) (9. e4 Nxe4 10. Nxe4 Bxe4 11. Ng5 Bg6 12. Qf3 Be7 13. Qc6 O-O 14. Nxe6 fxe6 15. Bxe6+ Kh8 16. Bxd7 Bd6 {½-½ (70) Inarkiev,E (2688)-Harikrishna,P (2705) Havana 2013}) 9... Bb4 $11 10. e4 (10. Qb3 $5 {[%cal Rb3b4]} Ba5 11. Be2 $11) 10... Bxc3 11. bxc3 {Threatening Qd3.The position is equal.} Nxe4 12. d5 $146 ({Predecessor:} 12. Ba3 Nd6 13. Bxe6 O-O 14. Bb3 Re8 15. Rxe8+ Qxe8 16. Ng5 h6 17. Bxd6 hxg5 {½-½ (112) Dautov,R (2603)-Van den Doel,E (2597) Halle 2010}) 12... Ndc5 {[%cal Re6d5]} 13. dxe6 $1 fxe6 {Hoping for ...Qxd1.} 14. Nd4 {Strongly threatening Qh5+.} O-O ({Avoid the trap} 14... Nxc3 $2 15. Qh5+ Kf8 16. Nxe6+ Nxe6 17. Bxe6 $18) ({Black should play} 14... Qh4 $11 15. Be3 O-O-O) 15. Nxe6 Nxe6 16. Bxe6+ Kh8 17. Qxd8 $1 Raxd8 18. Ba3 c5 19. f3 Nxc3 {[#]} 20. a5 $1 {[%mdl 512]} Nb5 (20... bxa5 21. Bxc5) 21. axb6 Nxa3 22. Rxa3 Rd6 23. Bc4 Rxb6 24. Ra5 Bc6 25. Rxc5 Bb5 26. Rb1 {Precision: White = 36%, Black = 80%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Kumsiashvili, Nikoloz"]
[Black "Zakhartsov, Viacheslav V"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2403"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,52,50,64,62,70,62,79,34,32,-40,83,28,17,32,47,32,53,46,65,64,79,87,123,70,110,102,108,109,124,125,116,110,131,141,131,133,141,139,127,133,124,122,137,135,128,131,136,132,124,127,141,140,135,111,140,141,157,127,167,151,156,135,147,138,136,141,160,105,104,62,64,62,69,12,13,18,51,41,74,124,131,139,140,145,140,11,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 g6 6. Qc2 Bxf3 7. exf3 Bg7 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} (7... Nc6 8. Be3 Bg7 9. O-O-O O-O 10. g4 d5 11. Kb1 Na5 12. cxd5 Nxd5 13. h4 Nxc3+ 14. Qxc3 c5 15. Qd3 cxd4 16. Bxd4 Bxd4 17. Qxd4 Qxd4 18. Rxd4 {0-1 (39) Grachev,B (2693)-Shirov,A (2709) Jurmala 2013}) 8. Bg5 h6 9. Bf4 $146 ({Predecessor:} 9. Be3 c6 10. d5 cxd5 11. cxd5 Nxd5 12. Nxd5 exd5 13. Rd1 O-O 14. Rxd5 Nc6 15. Bb5 {1-0 (46) Khenkin,I (2605)-Romanishin,O (2462) Hastings 2016}) 9... c6 {White is slightly better.} 10. d5 cxd5 11. Nb5 (11. cxd5 $14 Nxd5 12. Nxd5 exd5 13. Bd6) 11... Na6 (11... O-O $15 {keeps the upper hand.}) 12. Nd6+ (12. Bd6 $1 $16) 12... Kf8 $11 13. cxd5 Nc5 $1 ({Reject} 13... Nxd5 $6 14. Nb7 $16) 14. dxe6 dxe6 {Hoping for ...Nh5.} 15. O-O-O $1 $36 {[%mdl 2048] And now Nxf7! would win. White has good play.} Nd5 16. Bg3 $1 Qf6 17. Bb5 Nf4 18. Rd2 (18. b4 $16) 18... Nh5 19. Ne8 Rxe8 20. Bd6+ Kg8 21. Bxe8 Kh7 22. Bb5 Rc8 23. Kb1 Nf4 24. g3 $1 {[%cal Rg3f4]} Nd5 25. f4 $1 Qd8 {aiming for ...Nb7.} 26. Be5 Nd7 27. Qd3 Nxe5 28. fxe5 Bxe5 29. Bc4 {[%cal Rc4d5]} Rc5 30. Rhd1 Qc7 31. Bxd5 Rxd5 32. Qe2 Rxd2 33. Qxd2 $16 {[%mdl 4096] Endgame KQR-KQB} Qc5 34. Qc2 Qb5 35. Ka2 Bg7 36. Rd2 a5 37. Qb3 Qc6 38. Qd3 b5 39. Rc2 Qb7 {[#]} 40. Rc5 (40. h4 $142 $1) 40... b4 41. Rxa5 {a4 is the strong threat.} bxa3 $1 42. Qxa3 Qb6 $1 43. Ra4 (43. f4 $14) 43... Qxf2 $11 44. Rf4 Qxh2 45. Rxf7 {Threatening mate with Qc3.} Qd2 46. Qc3 {[%csl Gf7][%cal Rc3g7]} Qd5+ {[#]} 47. Ka3 $1 {[%csl Gf7][%cal Rc3g7]} Qa8+ 48. Kb3 {[%csl Gf7][%cal Rc3g7]} Qd5+ 49. Kc2 (49. Kb4 $16 {[%csl Gf7][%cal Rc3g7]} Qd6+ 50. Ka4 Qa6+ 51. Kb3 Qb5+ 52. Kc2 Qe2+ 53. Kc1) 49... Qe4+ 50. Qd3 {Precision: White = 47%, Black = 56%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Tomazini, Zan"]
[Black "Zeng, Chongsheng"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2395"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,80,12,5,34,32,45,34,19,37,90,43,95,89,95,38,81,0,-3,-27,64,65,58,60,209,-166,-174,-272,-277,-274,-273,-275,-270,-265,-272,-262,-266,-281,-295,-295,-291,-666,-291,-282,-279,-464,-324,-312,-306,-730,-727,-682,-713,-712,-614,-652,-610,-1570,-1400,-1294,-832,-1275,-1245]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 b6 7. Bd3 Ba6 8. O-O Bxd3 {B22: Sicilian: 2 c3} 9. Qxd3 Nc6 10. Nc3 Nxc3 11. bxc3 {LiveBook: 5 Games} Rc8 12. d5 $146 ({Predecessor:} 12. Bd2 d6 13. exd6 Qxd6 14. c4 Be7 15. d5 O-O 16. Qe4 {0-1 (33) Nemec,V (2172)-Kozul,Z (2617) Mali Losinj 2017}) 12... exd5 13. Qxd5 Be7 14. Rd1 Na5 (14... Qc7 $14) 15. Rd3 (15. Nd4 {seems wilder.} O-O 16. Nf5 Kh8 17. Bf4 Rxc3 18. Qxd7 Qxd7 19. Rxd7 Bb4 20. Bd2) 15... Rc5 (15... O-O $14) 16. Qe4 $1 $36 {[%mdl 2048] Black is under strong pressure.} Qc8 17. Bf4 ({Better is} 17. Qg4 $16 Rxc3 18. Rd1) 17... O-O 18. Nd4 (18. Rad1 $1 $16) 18... Re8 $11 {[%cal Bf8e8,Be8e6,Be6f6][%mdl 32]} 19. Nf5 {And now Nxg7! would win.} g6 (19... Qc6 $11 20. Qe2 Bf8) 20. Nh6+ $14 Kg7 21. Be3 {Black must now prevent Qf4.} Rxc3 (21... Nc6 $1 $14) 22. e6 $4 {[%mdl 8192]} (22. Rxc3 $18 {is the narrow road to win.} Qxc3 23. Rc1) 22... Bf6 $1 $19 23. Bd4 ({But not} 23. Rxd7 $2 Qxd7 $1 {[%mdl 512]} 24. Ng4 Qxe6 $19) (23. Rad1 {was called for.} Rxe6 24. Qd5 (24. Rxc3 $2 Qxc3 25. Qf4 Nc4 $19)) 23... Rxe6 24. Bxf6+ Rxf6 25. Ng4 {Strongly threatening Qe3.} Rc1+ 26. Rd1 {[#]} Rxa1 $1 ({Don't go for} 26... Qc2 $2 27. Qxc2 Rxc2 28. Nxf6 $16) 27. Rxa1 Qc3 28. Rf1 Re6 29. Qf4 h5 30. Qh6+ Kg8 31. Ne3 Nc4 32. Nd5 $2 (32. Nxc4 {was necessary.} Qxc4 33. a3) 32... Qd3 33. Qg5 Kg7 34. h4 $2 (34. Nc7 Re5 35. Qc1) 34... f6 {Black is clearly winning.} 35. Nxf6 Rxf6 36. Re1 Qd2 37. Re7+ Rf7 38. Rxf7+ Kxf7 39. Qd8 Qe1+ 40. Kh2 Qe8 {Precision: White = 45%, Black = 49%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Rakesh Kumar Jena"]
[Black "Berelowitsch, Alexander"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2394"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,31,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. e5 Nfd7 6. c3 Nc6 7. Bd3 Qb6 8. O-O cxd4 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Qb4 13. Qc2 $146 Qc5 14. Qa4 Qb4 15. Qc2 Qc5 16. Qa4 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Mandizha, Farai"]
[Black "Thybo, Jesper Sondergaard"]
[Result "1/2-1/2"]
[ECO "D86"]
[WhiteElo "2392"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,47,0,8,-15,0,0,0,0,0,-60,-48,-64,10,12,15,0,4,-86,0,0,94,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 b6 11. Qd2 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4} (11. Rc1 Bb7 12. Qd2 e6 13. Rfd1 Qd7 14. h4 Rac8 15. h5 Na5 16. Bd3 f5 17. e5 c4 18. Bb1 Rfe8 {0-1 (40) Salem,A (2656)-Vachier Lagrave,M (2804) Doha 2016}) 11... Bb7 {LiveBook: 19 Games} 12. Bh6 Bxh6 13. Qxh6 cxd4 {[#] Threatens to win with ...Ne5.} 14. Rad1 $146 ({Find the theoretical novelty and annotate with similar games:} 14. f4 Qd6 15. e5 Qc5 16. Rf3 Bc8 17. Ng3 dxc3+ 18. Kh1 Qxc4 {½-½ (42) Williams,S (2515)-Melkumyan,H (2649) London 2012}) 14... Ne5 15. Rxd4 (15. Nxd4 $11 Qc8 16. Bb3) 15... Qc7 $15 16. Bd5 Rad8 (16... Ba6 $15 17. Qd2 Ng4 $1 {[%mdl 512]}) 17. Rfd1 $11 Ba6 18. Ng3 Qxc3 {...e6 is the strong threat.} 19. Qg5 (19. Nf5 $11 gxf5 20. exf5 Rxd5 21. Rxd5) 19... Nd3 (19... Nc6 $17 20. R4d2 e6 21. Bxc6 Rxd2 22. Qxd2 Qxc6) 20. Nf5 $1 {White wants to mate with Bxf7+!} ({Much worse is} 20. Qe3 e6 $17) 20... e6 {[#]} (20... Rde8 $1 $11 {remains equal.} 21. Nxe7+ Rxe7 22. R4xd3 Bxd3 23. Qxe7 Be2) 21. Qf6 ({White should play} 21. e5 $1 $16 {[%mdl 512] Threatening mate with Nh6+.} exf5 {[#]} (21... Nxe5 22. Ne7+) 22. Bxf7+ $1 {[%mdl 512]} Kxf7 23. Qf6+ Kg8 24. Rxd8 Rxd8 25. Qxd8+ Kg7 26. e6) 21... gxf5 {The position is equal.} 22. Qg5+ Kh8 23. Qf6+ Kg8 {Strongly threatening ...Nf4.} 24. Qg5+ 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.10"]
[Round "5"]
[White "Ozturk, Kubra"]
[Black "Schneider, Ilja"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2298"]
[BlackElo "2519"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,6,30,30,37,35,37,37,35,31,34,34,31,23,29,29,32,31,31,22,22,23,34,-30,195,193,199,175,175,188,371,362,355,335]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Nc3 Nf6 (5... f6 {is more complex.} 6. Bd2 e5 7. e4 dxe4 8. dxe5 fxe5 9. Bc4 Nf6) 6. Bxf6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} gxf6 7. e3 e6 (7... a6 8. Rc1 Bf5 9. Bd3 Bg6 10. f4 f5 11. h4 h5 12. Nf3 e6 13. Na4 f6 {½-½ (39) Grischuk,A (2761)-Carlsen,M (2832) Paris 2017}) 8. Bd3 {White is slightly better.} f5 9. Nf3 Bd7 10. Qd2 $146 ({Find the theoretical novelty and annotate with similar games:} 10. Rc1 Rc8 11. a3 Bd6 12. O-O O-O 13. Na4 b6 {½-½ (40) Ivanisevic,I (2596)-Predojevic,B (2569) Zlatibor 2006}) 10... Rc8 11. Rc1 a6 12. O-O Bd6 13. Ne2 O-O 14. g3 Qa5 15. Nc3 {[%cal Be2c3,Bc3e4,Be4g5][%mdl 32]} Ne7 16. e4 (16. a3 $14) 16... fxe4 $2 (16... dxe4 $11 17. Nxe4 Qxd2 18. Nfxd2 fxe4 19. Nxe4 Rc6 20. Rxc6 Bxc6 21. Nxd6 Rd8) 17. Qg5+ $18 Ng6 {[#]} 18. Nxe4 $1 {[%mdl 512] Intending Nf6+ and mate.} Be7 {[#]} (18... dxe4 19. Qxa5) 19. Qh5 $1 Kg7 $2 (19... h6 {is a better defense.}) 20. Rxc8 Rxc8 21. Neg5 {Precision: White = 71%, Black = 43%.} 1-0

