[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Sasikiran, Krishnan"]
[Black "Lei, Tingjie"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2688"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,65,32,55,6,6,7,12,3,7,5,9,7,12,0,0,2,16,27,17,-25,-2,-13,44,33,24,-35,-17,-12,-10,-31,-31,-56,-24,-62,-52,-97,-94,-75,-75,-85,-59,-100,-27,-27,-18,-27,-16,-10,0,-16,0,-17,-18,-25]} 1. e4 c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. Bb5 {B12: Caro-Kann: Advance Variation} c4 9. Nh4 Bg6 10. O-O Bb4 11. Bxc6+ $146 ({Find the theoretical novelty and annotate with similar games:} 11. Bxc4 Bxc3 12. bxc3 dxc4 13. d5 Qc7 14. dxc6 Qxc6 15. Nf3 Ne7 {½-½ (29) Gashimov,V (2759)-Vallejo Pons,F (2705) Linares 2010}) 11... Qxc6 12. Ne2 Bh5 13. f3 Be7 14. Qe1 f6 (14... Bg6 $5) 15. Qg3 Bf8 16. exf6 (16. Qh3 $5 {[%cal Re2f4]}) 16... Nxf6 17. Rae1 Rg8 ({Better is} 17... O-O-O $11) 18. Bg5 $1 $14 {[%cal Rg5f6]} Bf7 19. Qh3 (19. f4 $1 $11) 19... h6 20. Bxf6 $1 gxf6 21. f4 (21. Nf4 $5 {[%cal Rf4e6]} Kd7 22. g3 $11) 21... O-O-O $36 {[%mdl 2048] White is under pressure.} 22. f5 e5 $1 23. Ng6 Bd6 24. Qh4 Bxg6 25. fxg6 Rxg6 26. Rxf6 Rxf6 27. Qxf6 exd4 ({Black should try} 27... Qb6 $17 28. c3 Qxb2 29. Qf5+ Kb8) 28. Qf5+ $11 Qd7 29. Nxd4 Bc5 30. Qe5 {The position is equal.} Qc7 {[#] Strongly threatening ...Qxe5.} 31. Qf5+ Qd7 {( -> ...Qxf5)} (31... Kb8 $5 {[%cal Rc5d4]} 32. c3 Qb6 $11) 32. Qe5 Qd6 {Threatens to win with ...Qxe5.} 33. Qf5+ {Precision: White = 47%, Black = 49%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Nabaty, Tamir"]
[Black "Zeng, Chongsheng"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2654"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,147,45,41,37,47,32,54,53,58,61,57,55,58,45,53,39,46,43,49,40,38,38,35,39,28,7,0,0,0,-8,11,-6,-7,-29,-12,-37,-31,-44,0,-22,-25,-51,0,-33,-37,-186,-82,-161,-132,-132,-132,-131,-112,-137,-132,-150,-141,-132,-110,-143,-95,-95,-96,-232,-111,-142,-84,-234,-227,-234,-234,-233,-239,-235,-135,-126,-119,-96,-94,-355,-354,-223,0,0,0,0,0,0,0,0,418,382,393,389,389,361,364,356,342,274,261,362,356,0,0,0,0,0,0,0,0,0,0,0,0,0,20,0,191,0,12,0,0,0,0,51,61,0,0,0,475,433,12849,12850]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 c5 7. d5 e6 8. O-O Na6 {LiveBook: 21 Games} 9. Ng3 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2} (9. f3 Nc7 10. a4 b6 11. Bg5 a6 12. Qd2 exd5 13. exd5 Qd7 14. Ng3 Rb8 15. Rae1 Kh8 16. Bh6 Nfe8 17. Re2 Bd4+ {1-0 (32) Balog,I (2559)-Balla,T (2338) Arad 2016}) 9... Nc7 10. a4 e5 11. Bg5 $146 {White is slightly better.} ({Predecessor:} 11. f4 exf4 12. Bxf4 Ng4 13. Qd2 Bd4+ 14. Kh1 Nxh2 15. Bg5 Nxf1 16. Bxd8 Nxg3+ 17. Kh2 Be5 {0-1 (17) Silva,A (2210)-Silva,F (2335) Lisbon 1995}) 11... h6 12. Bd2 h5 13. Bg5 Qd7 14. Qd2 Na6 15. Rae1 Nb4 16. Bb1 Nh7 17. Bh6 Qe7 18. Bxg7 Kxg7 19. f4 Bd7 20. f5 {Nxh5+! is the strong threat.} Qg5 21. Re3 (21. f6+ $5 Kg8 22. Qxg5 Nxg5 23. h4 $11) 21... Nf6 22. h3 Qh6 (22... h4 $5 {[%cal Rh4g3]} 23. Nge2 Rg8 $11) 23. Nge2 h4 24. Nc1 Nh5 25. Nd3 Nxd3 26. Bxd3 Nf4 27. Kh2 Rg8 28. Ne2 Nxe2 (28... Bxa4 29. Nxf4 exf4 30. fxg6 $3 $18 {[%mdl 512]}) (28... Nh5 $1 $15) 29. f6+ Kh7 30. Qxe2 (30. Bxe2 $15 Bxa4 31. Bg4) 30... Bxa4 (30... g5 $1 $19 {and Black stays clearly on top.} 31. Qe1 g4 32. hxg4 Rxg4) 31. g3 (31. Qf2 $17 {keeps fighting.}) 31... Bd7 32. Qf2 g5 33. g4 Qf8 34. Ra1 Qd8 35. Bc2 a6 36. Rf3 Qb6 37. Ba4 Bc8 38. Qd2 Qc7 39. b4 (39. Rf2 $17 {was called for.}) 39... Kg6 (39... cxb4 $19 40. Qxb4 b5 $1 {[%mdl 512]}) 40. Rb1 Rb8 (40... cxb4 $142 $1 41. Qxb4 b5 $1 {[%mdl 512]} 42. cxb5 axb5) 41. Rfb3 (41. bxc5 $17 Qxc5 42. Rc1) 41... cxb4 $19 ({Worse is} 41... Kxf6 42. Rf1+ Kg6 43. Qf2 $11) 42. Rxb4 Bd7 43. Bxd7 Qxd7 44. Rb6 {[#]} Rgc8 (44... Qc7 $1 $19 45. R6b4 Qc5) 45. Rf1 $17 {[#]} Kh6 $1 ({Not} 45... Rxc4 $2 46. Rf5 $18) 46. Rf5 Rg8 47. Rb1 $2 {[%mdl 8192]} (47. c5 $17) 47... Rbc8 $19 48. Rbf1 Rxc4 $2 {[#]} (48... Qd8 $19 49. Rc1 Qb6) 49. Rxg5 $3 $40 {[%mdl 640] White mounts an attack.} Rxg5 50. Rf5 {[#]} Rc2 $1 {[%cal Rc2d2]} 51. Qxc2 Rxf5 52. gxf5 {[%mdl 4096] Endgame Threatening mate with Qg2. KQ-KQ} Kg5 $2 {[%mdl 8192]} (52... Qd8 $11 {and Black has nothing to worry.} 53. Qd2+ Kh5 54. Qe2+ Kh6 55. Qd2+ Kh7) 53. Qd2+ $18 Kxf6 54. Qh6+ Ke7 55. Qxh4+ f6 56. Qh7+ Kd8 57. Qh8+ Kc7 58. Qxf6 a5 59. Qg6 $2 (59. Qg5 $18) 59... a4 $11 60. f6 {Strongly threatening f7.} a3 61. f7 a2 $1 62. f8=Q {White threatens Qg1 and mate.} a1=Q 63. Qff5 Qb2+ 64. Kg3 {next Qxd7+ is good for White.} Qa3+ 65. Kg4 {Black must now prevent Qxd7+.} Qb5 66. Kg5 {aiming for Kf6.} Kb6 $2 (66... Qg3+ $11 67. Kf6 Qxg6+ 68. Qxg6 Qd7) 67. Qxe5 $2 ({Less strong is} 67. Qf2+ Ka6 $14) (67. Kf6 $18) 67... Qe3+ 68. Qf4 (68. Kh4 $5 {[%cal Rg6d6]} Qf2+ 69. Qgg3 Qxg3+ 70. Qxg3 $16) 68... Qxf4+ 69. Kxf4 {KQ-KQ} Qf1+ 70. Kg5 Kc5 $1 71. Qf5 ({Better is} 71. h4 $14) 71... Qg2+ 72. Kf6 b5 $2 {[%mdl 8192]} (72... Qg3 $1 $11) 73. e5 $18 {[%cal Be4e5,Be5e6][%mdl 32] Threatens to win with e6.} Qxd5 (73... Qg8 $142 74. Qf2+ Kc4) 74. e6 {Precision: White = 33%, Black = 56%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Bogner, Sebastian"]
[Black "Valsecchi, Alessio"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2600"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,10,22,14,22,19,23,12,16,18,24,24,25,22,26,19,26,25,27,22,68,60,62,48,59,60,60,28,26,50,45,31,43,34,53,57,164,174,125,72,234,205,236,205,261,271,254,231,636,635,1510,1547,669,1462,1480,1441,1246,1227]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 (7... b5 $5 {[%cal Rb5c4]} 8. Bd5 Nxd5 9. exd5 Ne7 $11) 8. a4 h6 (8... O-O 9. h3 Ne7 10. Nbd2 Ng6 11. Nf1 c6 12. Bb3 d5 13. Ng3 Be6 14. exd5 Nxd5 15. d4 exd4 16. Nxd4 Qc7 17. Bxd5 Bxd5 18. Ndf5 {0-1 (29) Harikrishna,P (2737)-Bacrot,E (2715) Biel 2017}) 9. Na3 {White has an edge.} O-O 10. Nc2 Re8 11. Be3 Be6 12. Bxa7 Rxa7 13. Bxe6 Rxe6 14. Ne3 d5 $146 ({Predecessor:} 14... Ra8 15. b4 d5 {½-½ (30) Skripchenko,A (2455)-Khademalsharieh,S (2435) Khanty-Mansiysk 2016}) 15. Qc2 dxe4 16. dxe4 Ra8 17. a5 Ne7 18. Rad1 Qe8 19. Nd5 Nexd5 20. exd5 Re7 21. c4 e4 22. Nd4 $36 {[%mdl 2048] White has the initiative.} Qd7 23. Qb3 Rae8 (23... Ree8 $14) 24. Qxb7 $18 {Hoping for Nc6.} e3 {And now ...exf2+ would win.} 25. fxe3 ({White should play} 25. f3) 25... Ng4 $2 {[#]} (25... Rxe3 $16 26. Rf1 (26. Rxe3 Rxe3 27. Rf1 Qg4 $14) 26... Ne4) 26. Qc6 $1 (26. Qxa6 Nxe3 27. Rd2 Ng4 $11) 26... Qd8 27. e4 ({But not} 27. Qxa6 $6 Nxe3 28. Nc6 Nxd1 $16) 27... Rxe4 28. Rxe4 Rxe4 29. d6 $1 ({Weaker is} 29. Qxa6 Qe7 $11) 29... Re3 $2 (29... Rxd4 30. Rxd4 Qh4 31. Qe8+ Kh7 32. Qe4+ (32. Qxf7 Qxh2+ 33. Kf1 Qh1+ 34. Ke2 Qxg2+ 35. Ke1 Qg1+ 36. Qf1 Qe3+ 37. Qe2 Qg1+ 38. Qf1 Qg3+ 39. Kd2 Qe3+ 40. Kc2 Qxd4 $11) 32... g6) 30. Nf5 {White is clearly winning.} Qf6 31. Nxe3 Qf2+ 32. Kh1 {Qe8+ is the strong threat.} Qxe3 33. Qa8+ Kh7 {[#]} 34. Qf3 $1 {Precision: White = 78%, Black = 37%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Kryakvin, Dmitry"]
[Black "Shoker, Samy"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2583"]
[BlackElo "2472"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,84,86,118,98,74,56,65,58,49,43,47,48,82,74,77,65,62,41,95,33,29,52,62,42,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Be2 O-O 6. Bg5 h6 7. Be3 c5 8. d5 b5 9. cxb5 a6 10. a4 Qa5 11. Bd2 Qb4 {E74: King's Indian: Averbakh Variation: 6...c5} (11... axb5 12. Bxb5 Ba6 13. Nge2 Nbd7 14. O-O Ne5 15. b3 Qb6 16. Qc2 Rfb8 17. h3 Ne8 18. f4 Bxb5 19. Nxb5 {1-0 (40) Kryakvin,D (2560)-Belyakov,B (2470) Sochi 2017}) 12. Qc2 axb5 13. Bxb5 Ba6 {White is slightly better.} 14. f3 {Black must now prevent Nce2.} c4 15. Nge2 Nfd7 $146 ({Predecessor:} 15... Qc5 16. Qc1 Bxb5 17. Nxb5 Nbd7 18. Bc3 Ne5 19. Bxe5 dxe5 {1-0 (62) Melas,R (2108)-Sidi Mbareck,M (1947) Istanbul 2012}) 16. O-O Qc5+ 17. Kh1 Ne5 18. Nf4 Nbd7 19. Rab1 Rfc8 {[#]} ({Black should play} 19... Rfb8 $14) 20. Bxa6 ({White should try} 20. Bxd7 $1 $16 Nxd7 21. Qc1) 20... Rxa6 $14 21. Nce2 h5 22. Bc3 (22. a5 $5) 22... Qe3 23. Ra1 (23. Nxh5 $5 gxh5 24. Ng3 $11) 23... Nc5 {The position is equal.} 24. Ra3 {[#] And now Bd4 would win.} Ned3 {Hoping for ...Nf2+.} 25. Bxg7 Kxg7 26. g3 Nxe4 27. fxe4 Qxe4+ 28. Kg1 Qe3+ 29. Kh1 Qe4+ 30. Kg1 Qe3+ {Precision: White = 52%, Black = 67%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Stocek, Jiri"]
[Black "Fedorovsky, Michael"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2583"]
[BlackElo "2467"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,73,0,0,0,0,0,77,77,137,86,309,285,270,266,244,210,210,192,230,218,205,202,205,202,281,182,194,159,207,222,260,258,291,194,281,277,345,343,383,402,394,395,741,375,864,672,1022,414,2406,2441,1545,1102]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Bc4 Nb6 9. Bb3 Bg7 10. d5 Na5 11. O-O O-O 12. Re1 Bg4 13. h3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} Bxf3 14. Qxf3 Rc8 (14... Re8 $11) (14... Re8 15. Bg5 Nxb3 {½-½ (15) Levin,E (2505)-Alekseev,E (2636) St Petersburg 2016}) 15. Bg5 $1 $16 {[%cal Rg5e7] White is better.} Rc7 $146 (15... Bf6 $142 16. Bxf6 exf6) ({Predecessor:} 15... Bf6 16. Bxf6 exf6 17. Rad1 Rc7 18. d6 Rd7 19. Ne4 f5 20. Nc5 Rxd6 21. Rxd6 Qxd6 22. Nxb7 {½-½ (41) Szabo,B (2254)-Krutti,V (2347) Hungary 2016}) 16. Nb5 (16. Rad1 $142 {Strongly threatening d6!} h6 17. d6 $1 {[%mdl 512]} hxg5 18. dxc7 Qxc7 19. Qe3) 16... h6 $2 (16... Nxb3 $16 {keeps fighting.} 17. Qxb3 (17. axb3 Rd7 $16) 17... Rd7) 17. d6 $18 ({Don't do} 17. Nxc7 $6 hxg5 18. Nb5 Bxb2 $18) 17... hxg5 18. dxc7 Qd7 19. Nxa7 Qxc7 20. Nb5 {[%cal Ba7b5,Bb5c3,Bc3e4][%mdl 32]} Qc5 21. Nc3 e6 22. Rac1 Nxb3 23. axb3 Qb4 24. Ne4 Nd5 {[%cal Bb6d5,Bd5f4,Bf4d3][%mdl 32]} 25. Nxg5 Bh6 {[#]} 26. Qg3 $1 Nf4 27. Rcd1 Rc8 28. Kh1 Bxg5 (28... Nh5 {was necessary.} 29. Qe5 Qxb3) 29. Qxg5 Nd3 30. Rf1 Qxb3 31. Rd2 e5 32. Qe3 Rd8 $2 (32... Nc5 33. Qxe5 Qe6) 33. f3 f5 $2 (33... Rd4 34. Ra1 Qd5) 34. Qg5 Rd6 {[#]} 35. Qe7 (35. Rc1 $142 $1 {[%mdl 512] Black must now prevent Rc8+.} Qe6 (35... Nxc1 36. Rxd6) 36. Rc7) 35... Qb6 (35... Rd4 $142 36. Ra1 Qf7 37. Ra8+ Kg7) 36. Ra1 {Threatening mate with Ra8+.} Qd8 37. Qxb7 {Precision: White = 61%, Black = 23%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Neiksans, Arturs"]
[Black "Gluhovsky, Mark"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2582"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,129,18,15,32,22,34,17,35,14,12,14,18,0,0,2,0,0,-9,-13,-13,-25,16,20,11,17,14,34,3,0,0,-43,-35,-60,0,-18,0,0,19,0,0,0,0,0,158,144,136,100,137,137,125,137,145,140,196,196,202,210,236,233,258,175,140,110,244,237,281,235,256,241,268,275,297,289,344,348,396,281,1054,193,220,202,198,193,399,399,390,378,375,378,661,655,637,635,602,591,916,517,535,535,506,453,915,903,837,839,801,779,629,586,1239,985,1152,853,1404,1365,4133,3868,2610,2177,9829,8246]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e5 6. Bc4 {LiveBook: 9 Games. B31: Sicilian: 2...Nc6 3 Bb5 g6} (6. a3 Nge7 7. b4 d6 8. bxc5 dxc5 9. d3 O-O 10. Bc4 Nd4 11. h3 Be6 12. Nd2 Qd7 13. a4 b6 14. Bxe6 Qxe6 {½-½ (32) Wei,Y (2737)-Yu,Y (2734) Shenzhen 2015}) 6... h6 7. d3 d6 8. h3 {White is slightly better.} Nf6 9. Nd5 $146 ({Predecessor:} 9. a3 O-O 10. Rb1 a5 11. a4 Qe7 12. Re1 Nb4 {½-½ (30) Zetocha,C (2418)-Pal,P (2239) Slovakia 2002}) 9... O-O 10. Nxf6+ Qxf6 11. Nh2 Kh7 12. c3 Qe7 13. Be3 f5 14. exf5 Bxf5 15. Nf3 d5 16. Bxd5 Rad8 17. Bxc6 bxc6 18. Qa4 Bxd3 19. Nd2 e4 20. Nb3 c4 21. Na5 Rd5 (21... Rb8 $15) 22. Nxc4 (22. Nxc6 Qd7 $19) 22... Rh5 23. Nd2 Qe6 (23... Bb5 $5 {[%cal Rb5a4]} 24. Qxa7 Qxa7 25. Bxa7 Bxf1 26. Kxf1 Rb5 $11) 24. Rfe1 (24. Bxa7 Ra8 $17) (24. Qb3 $5 {[%cal Rb3e6]} Qe7 25. Rfd1 $11) 24... Rxh3 25. Bd4 $1 {[%cal Rd4g7] Bxg7 is the strong threat.} (25. Qxa7 Rh5 $17) 25... Rh4 {aiming for ...Qf5.} 26. Bxg7 $1 Rg4 $2 {[#]} (26... Qd6 $1 $11 27. g3 Rxf2) 27. Re3 $1 $16 (27. Bxf8 Rxg2+ 28. Kxg2 Qg4+ 29. Kh2 Qh5+ 30. Kg1 Qg4+ 31. Kh2 Qh5+ 32. Kg3 Qg5+ 33. Kh3 Qf5+ 34. Kg3 Qg5+ 35. Kh3 Qf5+ 36. Kg3 Qg5+ $11) 27... Kxg7 28. Rae1 $36 {[%mdl 2048] Keeping Black busy.} Qf5 {[#]} 29. Qd4+ $1 ({Much worse is} 29. Qxa7+ $6 Kg8 $11) (29. Nxe4 $6 Rxe4 30. Rxe4 Qxf2+ 31. Kh2 Bxe4 $11) 29... Kg8 30. Nxe4 Bxe4 31. Rxe4 Rxe4 (31... c5 $16 {keeps fighting.} 32. Qc4+ Kh8 33. Rxg4 Qxf2+ 34. Kh2 Qxe1 35. Qxc5 Rd8) 32. Rxe4 {[%mdl 4096] Endgame KQR-KQR} ({Stronger than} 32. Qxe4 Qxf2+ 33. Kh2 Kg7 $11) 32... c5 33. Qe3 Rf7 34. g3 h5 35. Kg2 Qd5 36. c4 Qc6 (36... Qb7 $16 {might work better.}) 37. Kg1 $18 {Black must now prevent Re6.} Qd6 38. Qe2 {And now Re6 would win.} Kh7 39. b3 Kg7 40. Re5 Qd4 41. Rd5 Qa1+ 42. Kg2 Rc7 43. Qe8 Rf7 $2 (43... Qf6 44. Qe3 Qc6 45. Qe5+ Kf7) 44. Qe5+ $2 (44. Rd8 {[%csl Gd8][%cal Re8h8]} Rxf2+ 45. Kxf2 Qb2+ 46. Kg1 Qb1+ 47. Kg2 Qc2+ 48. Kf1 Qb1+ 49. Ke2 Qb2+ 50. Rd2) 44... Qxe5 45. Rxe5 {KR-KR} Rc7 46. Re6 Kh6 $2 (46... g5 {was worth a try.} 47. f4 Rd7) 47. f4 Rd7 48. Kh3 Rd2 49. Ra6 Rf2 $2 (49... Rd7 50. f5 Kg5 51. Rxg6+ Kxf5) 50. Rxa7 {White is clearly winning.} Rb2 51. Ra5 Kg7 52. Rxc5 Rxa2 53. Rc6 Rb2 54. Rb6 Rc2 55. g4 hxg4+ (55... Kf7 $142 56. f5 hxg4+ 57. Kxg4 gxf5+ 58. Kxf5 Ke7) 56. Kxg4 Kf7 57. Rb5 Rc1 58. c5 Rg1+ 59. Kf3 Rf1+ 60. Ke3 Re1+ 61. Kd3 Rd1+ 62. Ke4 Re1+ 63. Kd5 Rd1+ 64. Kc6 Rd4 65. Kb7 {Precision: White = 65%, Black = 30%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Kulaots, Kaido"]
[Black "Thybo, Jesper Sondergaard"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2577"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,2,0,0,0,17,2,5,7,0,-14,1,-11,-6,0,-4,0,-14,-20,16,-39,12,10,79,5,52,0,44,47,28,23,104,107,110,96,132,113,779,800,635,573,29995,29996,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (6... Be6 7. Bxe6 fxe6 8. b4 Bb6 9. Nbd2 a6 10. a4 Qd7 11. Ba3 Ba7 12. b5 Na5 13. Bb4 Bb6 14. Rb1 O-O {1-0 (39) Fedoseev,V (2726)-Wang,Y (2699) Dortmund 2017}) 7. a4 h6 8. Na3 O-O 9. Re1 {LiveBook: 3 Games} Ne7 10. Nc2 Ng6 11. Be3 Bxe3 12. Nxe3 c6 13. Bb3 Re8 14. g3 $146 ({Predecessor:} 14. Bc2 d5 15. Nf5 Qc7 {0-1 (46) Mammadova,G (2364)-Muzychuk,A (2561) Novi Sad 2016}) 14... Bh3 15. Nd2 d5 16. exd5 cxd5 17. d4 e4 18. Qe2 (18. f3 $11) 18... Qd6 (18... Ra6 $15) 19. f3 h5 (19... exf3 $11 {remains equal.} 20. Qxf3 Be6) 20. Qf2 ({White should play} 20. fxe4 $16 {Strongly threatening e5.} dxe4 21. Qb5) 20... Rad8 21. Re2 ({Better is} 21. fxe4 $14 dxe4 22. Bc4) 21... h4 22. fxe4 dxe4 23. Rae1 hxg3 (23... Qd7 $11) 24. hxg3 $16 Re7 25. Qh2 $36 {[%mdl 2048] White is really pushing.} Be6 26. Rf1 {And now Rxf6! would win.} Rde8 $2 {[%mdl 8192] [#]} (26... Bxb3 $16 27. Nxb3 Qc6) 27. Rxf6 $1 $18 {[%mdl 512]} gxf6 28. Nxe4 {Threatening mate with Qh6.} Qd8 {and the idea ...Kg7 leaves Black hopeful.} 29. Qh6 {[%cal Re4f6]} Rc7 {[#]} 30. Nf5 $1 {[%mdl 512] Precision: White = 51%, Black = 34%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Alekseenko, Kirill"]
[Black "Hambleton, Aman"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2575"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,152,13,0,0,-34,12,12,8,13,16,-15,0,0,0,-14,-10,-17,-25,-12,-6,-1,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,0,0,0,0,0,0,0,-108,-119,-67,-106,-107,-33,-44,0,-125,0,-44,-44,-43,11,11,11,12,23,23,23,23,23,23,23,8,8,8,8,8,18,18,18,8,8,8,8,8,19,25,26,26,35,33,41,18,179,179,209,209,151,48,477,477,477,477,477,0,0,0,0,0,0,-8,-8]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 c5 7. d5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} exd5 8. cxd5 Nxd5 9. O-O Be7 10. Rd1 Nc6 11. Qf5 {LiveBook: 58 Games} (11. Rxd5 $2 Nb4 $19) (11. Qa4 $5 {[%cal Rd1d5]} Nf6 12. e4 $11) 11... Nf6 12. Nc3 d5 $146 ({Predecessor:} 12... O-O 13. e4 g6 14. Qh3 h5 15. Nd5 Nxd5 16. Rxd5 Nd4 17. Rxd7 Bc8 18. Rxd8 Rxd8 19. Nxd4 Bxh3 20. Bxh3 Rxd4 {0-1 (20) Ramirez,A (2554)-Gareev,T (2663) Las Vegas 2012}) 13. Nxd5 Nxd5 14. Ng5 Bxg5 $1 15. Rxd5 (15. Bxd5 {with more complications.} O-O 16. Bxg5 Qc8 17. Qxc8 Raxc8 18. Rd2) 15... Qc8 16. Qxc8+ Rxc8 17. Rxg5 O-O 18. Bd2 f6 19. Rh5 Rcd8 20. Bc3 g6 21. Rh4 Rd7 22. Rf4 f5 23. h4 Nd8 24. Bxb7 Nxb7 25. g4 Nd8 26. gxf5 Rxf5 27. Rxf5 gxf5 $11 {[%mdl 4096] Endgame KRB-KRN} 28. e3 b5 29. a3 Kf7 30. Kf1 Nc6 31. Ke2 a5 32. Bd2 a4 33. Rg1 Ne5 34. Bc3 Nc4 35. Rg5 Ke6 36. e4 fxe4 37. Rxc5 Rd5 38. Rc6+ Rd6 39. Rc8 h5 40. Rf8 Rd3 41. Rf4 Rh3 42. Rxe4+ Kd5 43. Rd4+ Kc6 $1 44. Kf1 {With the idea Kg2.} Nxa3 $1 45. Rd8 (45. Kg2 $11 Rxc3 46. bxc3) 45... Nc4 $17 46. Rc8+ Kd5 47. Rd8+ Kc5 ({Black should try} 47... Ke6 $17 48. Re8+ Kd7) 48. Rc8+ $15 Kd5 49. Rb8 (49. Rd8+ $11 Kc6 50. Rc8+ Kd7 51. Rb8) 49... Kc6 ({Don't play} 49... Rxh4 $6 50. Rxb5+ Kc6 51. Rb8 $11) (49... Nd6 $17 50. Bg7 Kc6) 50. Rc8+ Kd7 51. Rc5 Nd6 (51... a3 $15 52. bxa3 Rxc3 53. Rxb5 Ke6 54. Rxh5 Rxa3) 52. Rxh5 $11 a3 53. Kg2 a2 54. Rh7+ Ke6 55. Ra7 Rxh4 56. Rxa2 Ra4 57. Rxa4 bxa4 {KB-KN} 58. Kf3 Kd5 59. Ke3 Ne4 (59... a3 $5) 60. Bb4 Nf6 61. Ba3 (61. Be7 $5 {[%cal Re7f6]} Ng4+ 62. Ke2 $16) 61... Ng4+ 62. Ke2 Ne5 63. f4 Nc6 (63... Nc4 {looks sharper.} 64. Kf3 Ke6 65. Ke4 Nd2+ 66. Kd3 Nf1) 64. Kd3 Nd4 65. Bb4 Nf5 66. Bc3 Nd6 67. Bd4 (67. Be5 $5 {[%cal Re5d6]} a3 68. b3 $16 (68. bxa3 Nc4 $11)) 67... Nb5 $2 (67... Nc4 $11) 68. Be5 $18 Na7 {[#]} 69. Kc3 $1 Nc6 70. Bc7 (70. Bf6 $16) 70... Nd4 $2 {[%mdl 8192] [#]} ({Black should play} 70... Kc5 $1 $14) 71. Kb4 $1 a3 72. bxa3 Ne6 73. Bb6 $2 (73. Be5 $18 {And now Kb5 would win.} Nxf4 74. Bb8 (74. Bxf4 Kc6 $18)) 73... Nxf4 $11 {The position is equal.} 74. Kb5 Ne2 75. Ba5 Nd4+ 76. Kb6 Kc4 {Precision: White = 64%, Black = 55%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Vorobiov, Evgeny E"]
[Black "Hansen, Mads"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2569"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,51,22,23,23,12,14,9,30,16,34,12,22,21,35,36,71,60,73,0,0,-29,32,0,0,-32,90,22,29,33,584,586,547,124,728,721,691,709,686,687]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 c5 6. Bb2 {D30: Queen's Gambit Declined: Systems without Nc3} (6. cxd5 Nxd5 7. Bb2 cxd4 8. Nxd4 e5 9. Nf3 Nc6 10. Bc4 Bb4+ 11. Nbd2 Nb6 12. Bb5 Qd5 13. Bxc6+ bxc6 14. Bxe5 Bg4 15. Bc7 O-O 16. a3 Bxf3 17. axb4 Bxd1 {0-1 (17) So,W (2810)-Duda,J (2707) Leon 2017}) 6... cxd4 7. exd4 Nc6 8. Bd3 {LiveBook: 8 Games. The position is equal.} Be7 9. O-O O-O 10. Nc3 b6 11. cxd5 $146 ({Predecessor:} 11. Re1 Bb7 12. Rc1 Rc8 13. cxd5 Nxd5 14. Nxd5 Qxd5 {½-½ (25) Helbich,J (2539)-Fernandez Vicente,C (2467) ICCF email 2010}) 11... exd5 12. Ne5 Nxd4 {[#]} 13. Bxh7+ $1 {[%mdl 512]} Kxh7 (13... Nxh7 14. Qxd4) 14. Qxd4 {Threatens to win with Nc6.} Bb7 15. Rad1 {And now Rd3 would win.} Kg8 16. Rd3 (16. Qf4 $16) 16... Bc5 $1 $11 {[%cal Rc5d4]} 17. Qh4 {Rh3 would kill now.} Ne4 ({Black should play} 17... Nd7 $11 18. Qxd8 Rfxd8 19. Nxd7 Rxd7) 18. Qh5 {Threatening mate with Rh3.} (18. Qh3 $5 {[%cal Rc3e4]} Nxc3 19. Bxc3 $11 (19. Rxc3 Bd4 $11)) 18... Nf6 19. Qg5 {Black must now prevent Rh3.} Nh7 {[#]} (19... Nd7 $15 {stays ahead.} 20. Qxd8 Rfxd8 21. Nxd7 Rxd7) 20. Qf5 $40 {[%mdl 128] White attacks.} ({Better is} 20. Qg3 $1 $16) 20... Qf6 21. Qh5 {Strongly threatening Rh3.} g6 $2 {[%mdl 8192]} (21... Qg5 $1 $14 22. Qxg5 Nxg5) 22. Rg3 $18 Kh8 {[#]} 23. Nxd5 $2 (23. Nxg6+ $1 $18 {[%mdl 512]} fxg6 24. Rxg6) 23... Bxd5 $4 {[%mdl 8192] [#]} (23... gxh5 $16 24. Nxf6 Nxf6) 24. Nxg6+ $1 {[%mdl 512] White is clearly winning.} fxg6 25. Bxf6+ Rxf6 26. Qxd5 {Precision: White = 38%, Black = 28%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Ghosh, Diptayan"]
[Black "Yankelevich, Lev"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2562"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,41,24,22,27,34,24,14,25,17,50,49,41,21,26,46,60,62,80,88,81,94,94,59,50,11]} 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. Nd2 Qc8 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} 11. Nd5 Nd7 12. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} h6 {The position is equal.} 13. Be3 {[#]} Kh7 $146 ({Predecessor:} 13... Re8 14. Rc1 Nd4 15. Bxd4 exd4 16. Nb3 c5 17. bxc5 Nxc5 18. Nxd4 {1-0 (41) Banusz,T (2613)-Radjabov,T (2722) Monzon 2016}) 14. Rc1 f5 15. b5 Nd8 16. Nb3 Re8 17. Bd2 c5 18. e4 Nf7 19. exf5 gxf5 20. Be3 b6 21. Re1 {Precision: White = 73%, Black = 64%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Boruchovsky, Avital"]
[Black "Krivonosov, Oleg"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2556"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,21,10,23,22,27,28,29,14,25,0,0,0,0,-10,-8,-2,0,-52,0,0,0,0,0,-29,0,0,0,0,0,0,79,85,119,120,198,198,191,136,179,190]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 h6 8. Na3 {[%cal Bb1a3,Ba3c2,Bc2e3,Be3c4][%mdl 32] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (8. Re1 O-O 9. h3 Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Be3 Bxe3 16. Nxe3 {1-0 (41) Anand,V (2786)-So,W (2812) Leuven 2017}) 8... O-O 9. Nc2 Ba7 10. Be3 {LiveBook: 20 Games. The position is equal.} Re8 (10... Bb8 {with more complications.} 11. Re1 Ne7 12. d4 Nxe4 13. dxe5 d5) 11. Bxa7 Rxa7 12. Ne3 Be6 13. Re1 Ra8 {[#]} 14. a5 $146 ({Predecessor:} 14. Bxe6 Rxe6 {0-1 (91) Cornette,M (2599)-Karpov,A (2628) Cap d'Agde 2016}) 14... Bxc4 15. Nxc4 d5 16. exd5 Qxd5 17. Qb3 Rab8 18. h3 (18. Red1 $11) 18... e4 (18... Nh5 $15 19. Qa4 Nf4) 19. dxe4 $11 Rxe4 20. Rxe4 Nxe4 21. Rd1 (21. Ncd2 $5 {[%cal Rb3d5]} Qxb3 22. Nxb3 $11) 21... Qb5 (21... Nxa5 $5 {[%cal Rd5c4]} 22. Rxd5 Nxb3 $15) 22. Qxb5 axb5 23. Nce5 {Nxc6 is the strong threat.} Nxa5 24. Rd7 $1 f6 {[#]} (24... c6 $11) 25. Ng6 $1 $16 {[%mdl 1024] White has strong compensation.} Kh7 26. Nf4 {Black must now prevent Nh5.} Nc4 {[#]} (26... Nd6 $16) 27. Nh5 $1 $18 {White is clearly better.} ({Don't do} 27. Rxc7 $6 Ned6 $16) 27... Rg8 28. Nh4 (28. Rxc7 $18 {Threatens to win with Nh4.} Kh8 29. Re7 (29. Rxb7 Nxb2 30. Nh4 Nd1 $16)) 28... Ne5 ({Don't go for} 28... Nxb2 $2 29. f3 $18) 29. Rxc7 {Precision: White = 60%, Black = 48%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Sarana, Alexey"]
[Black "Abdumalik, Zhansaya"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2540"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,123,45,40,21,67,70,68,68,96,76,74,79,87,64,61,62,69,77,82,72,98,40,42,26,18,0,12,-8,26,26,30,13,37,37,32,29,36,26,41,44,47,46,54,57,53,50,62,56,77,83,86,97,82,62,107,98,116,109,98,85,120,111,119,71,120,119,158,135,132,112,126,128,145,134,128,127,197,207,202,185,199,195,203,207,251,251,259,246,363,384,462,448,526,496,510,497,530,629,622,608,569,558,618,605,611,581,1139,1043,1110,1055,983,1008,29988,29989,29998,29999]} 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. Qb3 (4. f3 e5 5. e4 exd4 6. Qxd4 Be6 7. Qd2 c6 8. Bd3 Nbd7 9. Nge2 Ne5 10. b3 Nxd3+ 11. Qxd3 d5 12. cxd5 cxd5 13. exd5 Nxd5 14. Nxd5 Qxd5 15. Qxd5 Bxd5 {½-½ (37) Vitiugov,N (2726)-Rakhmanov,A (2667) Tallinn 2016}) 4... Qc8 5. g3 Nc6 6. Nf3 {A53: Old Indian Defence without Nf3} b6 $146 ({Predecessor:} 6... g6 7. d5 Nd8 8. Bg2 Bg7 9. O-O O-O 10. Re1 e5 11. e4 Bg4 {½-½ (24) Ksieski,Z (2412)-Bielczyk,J (2359) Suwalki 1999}) 7. Bg2 Na5 8. Qd1 {White is slightly better.} Bh3 9. O-O Bxg2 10. Kxg2 c5 11. Bg5 Nd7 12. b3 h6 13. Bd2 cxd4 14. Nxd4 Nc6 15. Nf3 (15. e3 $16) 15... g6 16. e4 Bg7 17. Rc1 Qb7 18. Qe2 Nde5 19. Nxe5 dxe5 20. Be3 (20. c5 $5) 20... Nd4 21. Bxd4 exd4 22. Nd5 {next c5 is good for White.} e6 23. Nf4 Bf8 24. Nd3 Ba3 25. Rc2 a5 26. Qf3 O-O 27. e5 Qd7 28. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Kg7 29. h5 g5 30. Qe4 Rac8 31. Rd1 Bc5 32. a4 Rc7 33. Ne1 f5 34. exf6+ $1 Rxf6 35. Nd3 Qe8 36. Qg4 Qc6+ 37. Kg1 Re7 38. Re2 Qf3 39. Qxf3 Rxf3 40. Kg2 Rf5 41. Re4 Rf8 42. Rde1 Rfe8 (42... Rf6 $16 {was worth a try.} 43. f3 Kh7) 43. Re5 $1 $18 Bd6 44. Rb5 Bc7 {[#]} 45. Kf3 $1 Rf8+ {[#]} 46. Ke4 $1 e5 47. Rc1 g4 48. c5 bxc5 (48... Re6 $142 49. cxb6 Bxb6 50. Rxe5 Ref6) 49. Rcxc5 Kf6 50. Rb7 Rff7 51. Ra7 Kg5 {If only Black now had time for ...Bb6....} 52. Nf4 Bd6 53. Rxe7 Rxe7 54. Rxa5 {[%mdl 4096] Endgame KRB-KRN} Rb7 55. Rd5 Bb8 56. Ne6+ Kxh5 57. Rb5 Rd7 58. Rxb8 d3 59. Rb5 d2 60. Nf8 {[%cal Rb5e5]} Rd4+ 61. Kxe5 {[%cal Re5d4]} Kg5 62. Ke6+ {Precision: White = 76%, Black = 34%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Schroeder, Jan-Christian"]
[Black "Wan, Yunguo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2539"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,149,63,57,120,125,114,104,111,35,35,34,36,32,29,0,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,61,58,52,50,146,146,191,191,201,183,223,213,225,230,326,320,398,398,353,300,290,294,467,337,482,479,464,337,297,283,261,235,1797,1739,1589,1266,9560,8350,8335,7700,6569,6256,5920,4582,5361,0,5728,5608,2741,2279,12792,6191,29966,29965,12792,2041,12792,12792,29968,29968,29965,29962,29967,29969,29969,29970,29969,29970,29969,29972,29970,29971,29970,29971,29976,29976,29978,29979,29977,29978]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 {[%cal Bd4b5,Bb5a3,Ba3c2,Bc2e3][%mdl 32]} d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Nc2 Rb8 13. h4 Be7 14. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations} Be6 15. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} a5 (15... Qd7 16. Ncb4 Nxb4 17. axb4 Ra8 18. Bg2 Bd8 19. O-O Qc6 20. Ra3 Ra7 21. Ne3 Bb6 {½-½ (43) Dominguez Perez,L (2721)-Timofeev,A (2677) Havana 2009}) 16. Nce3 {LiveBook: 3 Games. White is slightly better.} Qd7 {[#]} (16... Na7 $14) 17. a4 $1 $16 b4 $146 ({Predecessor:} 17... bxa4 18. Qxa4 Rfc8 19. Bb5 Kf8 20. b4 Qb7 21. Bxc6 Rxc6 22. Qxa5 {1-0 (53) Poetz,F (2347)-Krebs,J (2229) Vienna 2010}) 18. Bb5 {Black must now prevent Bxc6.} Bd8 19. O-O (19. cxb4 $16 axb4 20. Qc1 Rxb5 21. axb5) 19... bxc3 $14 20. bxc3 Qc8 $1 21. Qd3 Ne7 22. Bc4 Nxd5 23. Bxd5 Bb6 24. Nf5 {aiming for Ne7+.} Qd7 25. Bxe6 fxe6 26. Qxd6 Qxd6 27. Nxd6 Rf3 {Hoping for ...Rxg3+.} 28. Kg2 Rbf8 {[%cal Rb6f2]} 29. Ra2 {Strongly threatening Nc4.} Rxc3 30. Rd1 Bd4 31. Rdd2 Rc6 32. Nb5 $36 {[%mdl 2048] Black is under pressure.} Rc4 33. Nd6 Rc6 34. Nb5 Rc4 35. Nd6 Rb4 ({Black should play} 35... Rc6 $11 36. Nb5) 36. Rdc2 $1 h5 37. Rc6 Rb3 (37... Rb1 $14) 38. Nb5 $16 Rf6 39. Nxd4 exd4 $18 {[%mdl 4096] Endgame KRR-KRR} 40. Rc5 g6 41. Rxa5 Rff3 42. e5 Ra3 (42... Rfc3 $142 43. Ra8+ Kg7) 43. Rd2 Rfd3 44. Rxd3 Rxd3 {KR-KR} 45. Ra6 Kf7 46. Rd6 Rd2 (46... Ke7 $142 47. Kf1 Rc3 48. Rxd4 Rc5) 47. Kf3 d3 (47... Ra2 {was worth a try.} 48. Rxd4 Kf8) 48. a5 Ra2 49. Rd7+ Kf8 50. Rxd3 Rxa5 51. Kf4 Ra7 $2 (51... Kg7 52. Rd7+ Kh6) 52. Kg5 Kg7 53. f3 Rf7 54. g4 Kh7 55. Ra3 Kg7 56. Rb3 Kh7 57. Rc3 Kg7 58. Rd3 Kh7 $1 59. Rb3 Kg7 60. Ra3 Kh7 61. Ra6 Rxf3 {[#]} 62. Ra7+ $1 Kg8 63. gxh5 (63. Kxg6 $142 hxg4 64. h5) 63... gxh5 64. Kxh5 Rf4 65. Kg5 {White mates.} Re4 66. Ra5 Kf7 67. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Re1 68. Ra7+ Kg8 69. h6 Rg1+ 70. Kf6 Rh1 71. Ra8+ Kh7 72. Kxe6 Rxh6+ 73. Kf7 Rh2 74. e6 Rf2+ 75. Ke8 {Precision: White = 80%, Black = 41%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Vishnu Prasanna  V"]
[Black "Pershin, Denis"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2538"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,46,0,12,0,21,0,-3,-9,13,13,13,14,14,14,27,0,0,-4,0,-11,-9,-15,-24,-35,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. Qc2 Be7 7. cxd5 Nxd5 8. Nxd5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} exd5 9. Bf4 c5 10. e3 O-O {LiveBook: 3 Games} 11. Be2 $146 ({Predecessor:} 11. Bd3 h6 12. O-O Nd7 13. Rac1 Nf6 14. Ne5 c4 15. Bf5 Bc8 {1-0 (50) Bocharov,D (2569)-Aroshidze,L (2401) Istanbul 2004}) 11... Ba6 12. O-O Bxe2 13. Qxe2 Nd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 14. dxc5 bxc5 15. Rfd1 Nf6 16. Be5 Qb6 17. Rac1 (17. b4 $5) 17... Rac8 18. Qc2 (18. Bxf6 $5 Bxf6 19. Rxd5 $11) 18... Qe6 19. Qa4 a6 20. h3 Ne4 21. b4 Bf6 22. Bxf6 Qxf6 23. Qc2 Rfd8 {Precision: White = 53%, Black = 40%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Bailet, Pierre"]
[Black "Percivaldi, Martin"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2536"]
[BlackElo "2407"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,96,12,8,25,16,12,19,37,33,48,33,64,26,39,14,16,20,16,17,43,41,44,46,43,48,41,40,40,39,39,47,47,42,39,49,50,38,36,42,35,34,73,31,42,14,17,12,31,0,48,8,6,0,48,17,45,9,39,24,35,23,31,14,25,19,30,5,7,4,6,0,26,22,16,0,264,302,287,258,267,267,5418,5722,29973,29974,29999]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. exd5 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} a6 (6... Qxd5 7. Nb5 Qd8 8. Bd3 a6 9. Nc3 Nc6 10. O-O Ne5 11. Be2 b5 12. Nf3 Qxd1 13. Rxd1 Nc6 14. Bf4 Bb7 {0-1 (53) Vachier Lagrave,M (2796)-Caruana,F (2808) Paris 2017}) 7. Bc4 {[%cal Rd5e6] LiveBook: 4 Games} Nxd5 8. N2f3 {White has an edge.} Be7 9. O-O O-O $146 ({Predecessor:} 9... Bf6 10. Bb3 O-O 11. Qe2 Ne7 12. Rd1 Qc7 13. Ng5 e5 {½-½ (40) Balogh,C (2651)-Rozum,I (2505) Yerevan 2014}) 10. Qe2 Qd6 11. Rd1 Bf6 12. Bg5 (12. Nf5 $5 Qc5 13. Ng3 $16) 12... Nd7 13. Nf5 Qc7 14. Bxd5 {[#] Hoping for Ne7+.} exf5 15. c3 h6 16. Be3 Nb6 17. Bb3 Be6 18. Bxe6 fxe6 19. Bf4 Qf7 20. Ne5 Bxe5 21. Bxe5 Rad8 22. c4 Qe7 23. b3 Rxd1+ 24. Rxd1 {[#] Threatens to win with Bd6.} Rd8 $1 25. Re1 Nd7 26. Bc3 Nf6 27. f3 Kf7 28. h3 Qd6 29. Qe3 Rd7 30. a4 Qc6 31. Kf2 Qd6 32. Re2 Qc6 (32... f4 $5 {[%cal Rf4e3]} 33. Qe5 Qb6+ 34. c5 Qxb3 $11) 33. a5 Rd6 34. g4 fxg4 35. hxg4 Rd1 36. Re1 Rxe1 37. Qxe1 Nd7 38. Qe3 Qd6 39. Kg2 Qd1 40. b4 (40. Qd4 $5 {[%cal Rd4d1]} Qe2+ 41. Qf2 $14) 40... Qc2+ 41. Kg3 Qb1 42. Qd4 $36 {[%mdl 2048] White has some pressure.} Nf6 43. Qb6 Kg6 $2 {[%mdl 8192]} (43... Ne4+ $11 {and Black has nothing to worry.} 44. fxe4 Qd3+ 45. Kf2 Qc2+ 46. Kg1 Qxc3) 44. Qxe6 $18 Qg1+ 45. Kf4 {Bxf6 is the strong threat.} Qh2+ 46. Ke3 {aiming for Bxf6.} Qc2 $2 (46... Qg1+ 47. Kd2 Qh2+ 48. Kd3 Qf4) 47. Bxf6 Qc1+ 48. Kf2 gxf6 49. Qg8# {Precision: White = 51%, Black = 46%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Ladva, Ottomar"]
[Black "Smirin, Ilia"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2532"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,56,8,-9,0,0,0,-29,-15,-40,-15,-16,-21,-60,-62,-83,-84,-85,-83,-106,-112,-130,-102,-97,-81,-103,-103,-103,-103,-91,-38,-28,-29,-37,-19,-92,-95,-254,-235,-501,-488,-481,-481]} 1. Nf3 Nf6 2. g3 c5 3. b3 d6 4. Bg2 e5 5. O-O Nc6 6. c4 g6 7. Nc3 Bg7 8. Bb2 O-O 9. Ne1 {LiveBook: 32 Games} Bd7 {A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6} 10. Nc2 Rb8 11. a3 $146 ({Predecessor:} 11. Ne3 a6 12. d3 b5 13. Qd2 Ne7 14. Ne4 Ne8 15. f4 f5 16. Nc3 exf4 17. gxf4 {½-½ (43) Eingorn,V (2595)-Kuzmin,A (2500) Oberwart 1995}) 11... a6 {[%cal Ba7a6,Ba6b5,Bb5b4][%mdl 32] Black has an edge.} 12. b4 b5 13. cxb5 axb5 14. bxc5 dxc5 15. a4 b4 16. Nb5 Nd4 17. Ne3 Be6 18. d3 Nxb5 19. axb5 Nd5 20. Nxd5 Bxd5 21. Bxd5 Qxd5 22. Ra5 c4 (22... e4 $17 23. Bxg7 Kxg7) 23. dxc4 $15 Qxc4 24. Qa4 $1 Rfd8 $36 {[%mdl 2048] Black has the initiative.} 25. e3 (25. Bc1 $11 {keeps the balance.}) 25... h5 $17 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32] ...h4 is the strong threat.} 26. b6 $2 (26. h3 $17) 26... h4 $19 ({Don't do} 26... Rxb6 27. h4 $17) 27. Rb5 $2 (27. Qb5 Qe4 28. Qe2) 27... h3 {( -> ...Qe4)} 28. Rxb4 {[#]} Qe2 $1 {Precision: White = 28%, Black = 75%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Ali Marandi, Cemil Can"]
[Black "Kaasen, Tor Fredrik"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2526"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,0,34,37,25,0,14,0,12,0,14,18,25,22,22,28,37,16,2,-33,-26,-71,6,-57,-1,-80,-77,-77,-43,-55,-45,-247,-218,-233,830,934,29988,714,29995,29996]} 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 $1 7. Nf3 O-O $146 ({Predecessor:} 7... Bd7 8. a4 Qa5+ 9. Qd2 Qxd2+ 10. Nxd2 Nh5 11. Be5 {1-0 (28) Forbes,C (2075)-Chapman,T (1855) West Bromwich 2006}) 8. Be2 {The position is equal.} Bd7 9. a4 c4 10. Ne5 Bxb5 11. axb5 Nc7 12. h5 Nxb5 13. g4 (13. hxg6 {is more complex.} hxg6 14. c3 Re8 15. Qc2 e6 16. Kf1) 13... Nd7 14. g5 Nxe5 15. dxe5 Nc7 ({Better is} 15... e6 $17 {Hoping for ...Qc7.} 16. Bg4 Qc7) 16. Bg4 (16. Bg3 $11) 16... Ne6 (16... e6 $15) 17. hxg6 (17. h6 $11 {keeps the balance.} Bh8 18. Bxe6 fxe6 19. Bg3) 17... hxg6 $17 18. Qf3 {And now Qh3 would win.} Qb6 19. Qh3 {[%csl Gh1][%cal Rh3h7]} Rfd8 20. O-O-O $2 (20. Bxe6 $1 $15 Qxe6 21. Qxe6 fxe6 22. Ke2) 20... Nc5 $19 21. Rh2 {Rdh1 is the strong threat.} Na4 $4 {[%mdl 8192] [#]} (21... e6 $19 22. e4 Nxe4) 22. Rdh1 $1 $18 {White threatens Qh8+! and mate.} f5 23. exf6 (23. gxf6 $142 Qxb2+ 24. Kd2 c3+ 25. Ke2 Qxc2+ 26. Kf1 Qd3+ 27. Kg2 Qe4+ 28. Bf3) 23... exf6 {[#]} 24. Qh8+ $3 {[%mdl 512] Precision: White = 41%, Black = 40%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Blomqvist, Erik"]
[Black "Agmanov, Zhandos"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2525"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,77,13,9,7,11,0,5,6,16,95,91,76,57,58,58,45,48,49,36,47,-61,-56,-78,0,0,0,0,0,0,0,0,0,0,64,58,62,58,64,51,62,49,37,37,39,35,54,8,8,8,8,8,8,8,8,8]} 1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. O-O c5 5. c4 d4 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 {A13: English Opening: 1...e6} 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2 Qe7 12. a3 a5 13. Ne4 {LiveBook: 4 Games} Bc7 14. b4 axb4 15. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32]} Rxa1 16. Qxa1 {[#]} e5 $146 (16... f5 $11 {keeps the balance.} 17. Nc5 O-O) 17. b5 $16 Nb4 18. c5 {[#] Threatens to win with b6.} O-O $1 19. Qa3 Nd5 20. Re1 {Nd6 is the strong threat.} b6 21. Nd6 {And now Nxd4! would win.} bxc5 22. Nc4 ({Better is} 22. Nxc8 $14 Rxc8 23. Qa6) 22... Nb4 $1 $15 23. Nxd4 {[#]} cxd4 ({Black should try} 23... Qd7 $1 $17 24. Nf3 Qxb5) 24. Rb1 $11 Bf5 25. Qxb4 Qxb4 26. Rxb4 Bxd3 27. b6 Bb8 28. b7 Bxc4 (28... f5 $11) 29. Rxc4 {[%mdl 4096] Endgame KRB-KRB} g6 30. Rc8 {[%mdl 1024] White has compensation.} f5 31. Bd5+ Kg7 32. f3 g5 33. Kf1 (33. Bc6 $5 {[%cal Rc6e8]}) 33... e4 $1 34. fxe4 fxe4+ 35. Rxf8 Kxf8 {The position is equal.} 36. Bxe4 h5 37. Ke2 h4 38. gxh4 gxh4 39. h3 {Precision: White = 71%, Black = 83%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Kobo, Ori"]
[Black "D`Costa, Lorin A R"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2497"]
[BlackElo "2390"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,37,28,33,61,48,88,79,107,93,74,64,47,54,73,75,89,0,35,30,48,-22,-19,-89,-98,-107]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8. Rg1 h5 {B81: Sicilian Scheveningen: Keres Attack} (8... d5 9. exd5 Nxd5 10. Nxd5 exd5 11. Be3 Qxh4 12. Qf3 Nxd4 13. Bxd4 Qe7+ 14. Be2 Qe4 15. Qxe4+ dxe4 16. O-O-O Bd7 17. Bc4 {½-½ (55) Kryvoruchko,Y (2714)-Solodovnichenko,Y (2576) Chartres 2017}) 9. gxh5 Rxh5 10. Bg5 {[#] Hoping for Nxc6.} Rh7 {White is better.} 11. Nxc6 bxc6 12. e5 dxe5 13. Qf3 {Threatens to win with Bb5!} Be7 $146 {[#]} ({Predecessor:} 13... e4 14. Nxe4 Qa5+ 15. c3 Nd5 16. Bd3 {1-0 (29) Timman,J (2578)-Clemens,A (2213) Hoogeveen 2012}) 14. Bd3 $1 Rh8 15. Bxf6 ({White should try} 15. O-O-O $16 Bd7 16. Be4) 15... Bxf6 16. O-O-O Kf8 17. Qxc6 (17. h5 $14) 17... Rb8 $11 18. Bb5 (18. Ne4 $11 Qd7 19. Qxd7 Bxd7 20. Nxf6 gxf6 21. Be2) 18... Qe7 $17 19. Qc4 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Meskovs, Nikita"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2495"]
[BlackElo "2648"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,27,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Qb3 Qb6 8. Nc3 Bf5 9. Qxb6 axb6 10. cxd5 {D78: Fianchetto Grünfeld: 6 0-0 c6} Nxd5 11. Nxd5 cxd5 12. Bd2 Nc6 13. e3 {LiveBook: 6 Games} Rfc8 (13... Be4 14. Rfc1 Rfc8 15. Bc3 {½-½ (28) Ruck,R (2566)-Predojevic,B (2640) Sibenik 2016}) 14. Rfc1 {Find the theoretical novelty and annotate with similar games:} e6 $146 15. Be1 f6 16. Nd2 Bd3 17. Rc3 Nb4 {½-½ (31) Vaiksnoras,J-Primakov,V (2251) ICCF email 2009} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Pavlov, Sergey"]
[Black "Onischuk, Vladimir"]
[Result "1/2-1/2"]
[ECO "E69"]
[WhiteElo "2475"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,23,33,28,51,37,38,40,62,61]} 1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. e4 c6 9. h3 b6 {E69: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4 c6 9 h3} 10. Be3 {White is slightly better.} Bb7 11. Qc2 exd4 12. Nxd4 {Find the theoretical novelty and annotate with similar games:} a6 $146 13. a4 Re8 14. Rad1 Qe7 15. Rfe1 c5 16. Nf3 Nf8 17. Bf4 {1-0 (77) Matlakov,M (2695)-Onischuk,V (2583) Yerevan 2014} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Tang, Andrew"]
[Black "Kovchan, Alexander"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2475"]
[BlackElo "2587"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,125,21,21,2,11,29,31,17,18,-6,0,8,19,-25,-25,-37,-35,-29,-30,-22,-25,-21,-8,-14,-16,-18,12,20,25,25,20,22,18,19,34,0,22,0,25,16,25,0,12,0,0,0,0,0,0,0,0,0,0,0,0,-35,-46,-42,-43,-46,-46,-210,-235,-313,-287,-472,-460,-553,-27,-27,0,-550,-543,-515,-360,-543,-421,-372,0,-490,-541,-1238,-1206,-1009,-940,-1181,-1204,-2021,-1732,-5077,-191,-191,-191,-191,-8,-8,-8,-29972,-29974,-29975,-29976,-29976,-29977,-29975,-29977,-29978,-29979,-29989]} 1. d4 Nf6 2. c4 g6 3. f3 Nc6 4. d5 Ne5 {[%cal Bc6e5,Be5d7,Bd7c5][%mdl 32]} 5. e4 d6 6. Nc3 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} Bg7 7. f4 Ned7 8. Nh3 O-O 9. Be2 Nc5 10. Nf2 e6 {LiveBook: 11 Games} 11. O-O exd5 12. cxd5 c6 $146 13. dxc6 bxc6 14. Qc2 d5 15. e5 Bf5 16. Qd2 Nfe4 17. Ncxe4 Nxe4 ({Of course not} 17... dxe4 $6 18. g4 $16) 18. Nxe4 Bxe4 19. b3 f6 20. Ba3 Re8 21. Rac1 fxe5 22. Rxc6 Qh4 23. Bb2 Rad8 24. fxe5 Bxe5 25. Bxe5 Rxe5 26. Qd4 Qg5 {[%csl Ge4][%cal Rg5g2] [#]} 27. Rf2 Re7 28. Bf1 Bf5 29. h4 Qg3 30. Rc3 (30. h5 $5) 30... Qd6 31. Re3 Rxe3 32. Qxe3 d4 33. Qg5 Rf8 34. Bc4+ Kg7 $1 35. Qf4 Qxf4 36. Rxf4 $11 {[%mdl 4096] Endgame KRB-KRB} Rd8 {And now ...d3 would win.} 37. Rf2 d3 38. Rd2 Kh6 39. Kf2 Kh5 40. Ke3 $2 (40. Kg3 $1 $15) 40... Kxh4 $19 41. b4 Kg3 42. a4 $2 (42. Bxd3 h5 43. b5 Bxd3 44. Rxd3 Re8+ 45. Kd4+ Kxg2 46. Ra3) 42... h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 43. b5 Re8+ $2 (43... h4 $19 {aiming for ...Re8+.} 44. a5 Re8+ 45. Kd4 Be4) 44. Kd4 $11 Rd8+ $2 {[%mdl 8192]} (44... Be4 $11 45. a5 h4) 45. Ke3 $19 h4 46. a5 g5 47. a6 (47. b6 {was the only chance.} axb6 48. axb6) 47... Re8+ 48. Kd4 {Strongly threatening b6.} Rd8+ 49. Ke3 Rd6 50. Bxd3 Bxd3 51. Rxd3 {KR-KR} Re6+ 52. Kd2+ Kxg2 53. Rd7 Re5 54. Rxa7 Rxb5 $2 (54... h3 55. b6 Rb5) 55. Rg7 {intending a7.} Kf2 56. a7 Rd5+ $2 (56... Rb2+ $19 57. Kc3 Ra2 58. Rf7+ Kg3) 57. Kc3 $11 Ra5 58. Kd3 $2 {[%mdl 8192] [#]} (58. Kb4 $11 Rxa7 59. Rxa7) 58... h3 {Black mates.} 59. Rxg5 Rxa7 60. Rf5+ Kg3 61. Rg5+ Kh4 62. Rg8 Rh7 63. Kd4 {Precision: White = 42%, Black = 61%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Baldauf, Marco"]
[Black "Sanal, Vahap"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2460"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,120,20,12,32,36,66,52,58,39,41,41,71,73,104,107,132,144,142,62,62,62,63,63,95,91,94,102,103,104,109,27,113,104,110,-12,50,16,73,81,67,52,95,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,49,0,0,0,0,0,0,0,155,12,12,0,0,0,0,0,0,2,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Qc2 Bb7 6. a3 Bxc3+ 7. Qxc3 d6 8. g3 O-O 9. Bg2 a5 10. b3 Nbd7 11. O-O Be4 12. Bb2 {LiveBook: 14 Games} Qc8 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} (12... Qb8 13. Rac1 Qb7 14. Rfd1 Rfc8 15. Bh3 b5 16. Nd2 bxc4 17. bxc4 Rcb8 18. Ba1 Bg6 19. Bg2 c6 20. e4 {½-½ (76) Wang,H (2717)-Tomashevsky,E (2728) Huaian 2016}) 13. Bh3 Qa6 $146 ({Find the theoretical novelty and annotate with similar games:} 13... Bb7 14. Nd2 c5 15. Nf3 Qc7 16. Rad1 Rfe8 17. a4 d5 18. dxc5 Nxc5 {0-1 (60) Bartel,M (2260)-Sachdev,T (2398) Warsaw 2016}) 14. d5 e5 {White is slightly better.} 15. Nd2 Bg6 16. a4 Rad8 17. Rae1 Rfe8 18. f4 {[%cal Bf2f4,Bf4f5,Bf5f6,Bf6g7][%mdl 32]} Ne4 19. Nxe4 Bxe4 20. Bxd7 (20. Qe3 $16 Nc5 21. fxe5 dxe5 22. Ba3) 20... Rxd7 $14 21. f5 c6 $1 {[%cal Rc6d5]} 22. dxc6 Rdd8 23. Qe3 Bxc6 {[#]} 24. f6 $1 h6 25. Rf5 Re6 26. Ref1 ({Better is} 26. fxg7 $16 Ba8 27. Qf2) 26... Qb7 (26... Ba8 $1 $11 {keeps the balance.}) 27. fxg7 $16 Rd7 28. h3 (28. Bc1 $16) 28... Be4 (28... Bg2 $11 29. R1f2 Qe4 30. Qxb6 Bxh3) 29. Rh5 Bh1 (29... Kxg7 $11 30. Kh2 Qc6) 30. Rf2 Qe4 31. Qxb6 {And now Bc1 would win.} Kxg7 32. Rh4 ({White should play} 32. Bc1 $16) 32... Qb1+ $11 33. Rf1 Qxb2 34. Kxh1 Qxe2 35. Rg4+ Rg6 36. Rxg6+ Kxg6 {[%mdl 4096] Endgame KQR-KQR} 37. Rf2 Qe1+ 38. Kg2 Qe4+ 39. Kh2 Qb7 40. Qxa5 Qxb3 41. Qa8 {[#] White threatens Qg8+ and mate.} Kg7 42. Qe4 {Threatens to win with Qg4+.} Rc7 43. Qg4+ Kf8 $2 (43... Kh8 $11) 44. Qh4 (44. Qg6 $16 Qe3 45. Qxd6+ Kg8 46. Qf6) 44... Qe3 $1 {[%cal Re3f2] The position is equal.} 45. Qd8+ (45. Kg2 $5 {[%cal Rh4d8]} Qg5 46. Qe4 $11) 45... Kg7 46. Qf6+ (46. Kg2 $5 {[%cal Rd8c7]} Qe4+ 47. Kh2 $11) 46... Kh7 47. Qf5+ Kg8 48. a5 Qa7 49. g4 e4 50. Rg2 {Black must now prevent g5.} (50. Qf6 $5 {[%cal Rg4g5]} Qxa5 51. Qd8+ (51. Qxd6 Rxc4 52. Qxh6 Rc3 $11) 51... Kg7 52. Qxd6 $11) 50... Rc5 $1 {[%cal Rc5f5]} ({Wrong is} 50... Rxc4 $2 51. g5 $18) 51. Qxe4 Rxa5 52. Qf4 Qe7 53. Rf2 Qe6 54. Qf6 {Qd8+ is the strong threat.} Rc5 55. Qxe6 fxe6 {KR-KR} 56. Rf6 Re5 57. Rxh6 Kg7 58. g5 Rxg5 59. Rxe6 Rc5 60. Rxd6 {Hoping for Rd4.} Rxc4 {Precision: White = 55%, Black = 54%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Ochsner, Bjorn Moller"]
[Black "Zakhartsov, Viacheslav V"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2443"]
[BlackElo "2539"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,31,29,37,33,33,32,30,27,29,8,8,9,25,24,25,10,24,17,24,32,14,-34,-15,-20,-26,-70,-53,-88,-87,-94,-79,-143,-158,-159,-160,-170,-183,-161,-135,-150,-151,-154,-165,-136,-143,-208,-214,-216,-172,-217,-205,-222,-197,-214,-184,-315,-312,-409,-397,-877]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 (5... b5 6. Re1 Bb7 7. a4 b4 8. Bc4 Ngf6 9. d3 e6 10. Nbd2 Be7 11. Nf1 O-O 12. Ng3 d5 {1-0 (50) Vachier Lagrave,M (2783)-Nepomniachtchi,I (2766) Leuven 2017}) 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} g6 7. c3 Bg7 8. Bc2 {LiveBook: 34 Games. White is slightly better.} Ne5 9. Nxe5 dxe5 10. a4 b6 11. d3 O-O 12. Nd2 Qc7 13. Nc4 Be6 $146 14. a5 b5 15. Nb6 Rad8 16. Qe2 h5 17. Rf1 Kh7 {[%cal Bg8h7,Bh7h6,Bh6g7][%mdl 32]} 18. Kh1 Bh6 19. Bxh6 Kxh6 20. Rac1 Kg7 21. Bb1 Nd7 22. Nxd7 Rxd7 23. b4 (23. Qe3 $142) 23... Rc8 $17 {[#] And now ...cxb4 would win.} 24. Qe3 Rdd8 25. bxc5 Qxc5 26. Qd2 Qc7 27. f4 exf4 28. d4 f6 29. d5 Bf7 ({Inferior is} 29... Qxa5 30. Qxf4 Rxc3 31. e5 $14 (31. dxe6 Qb4 $11)) 30. Bd3 (30. Qxf4 $17 Qxf4 31. Rxf4) 30... Qxa5 $19 31. Rxf4 Qc7 32. Rff1 Qe5 33. Rfe1 Rc5 34. c4 Rdc8 {[%cal Rb5c4]} 35. Qa2 (35. cxb5 $142 Rxc1 36. Rxc1 Rxc1+ 37. Qxc1 axb5 38. Qb1) 35... bxc4 36. Bf1 a5 37. Rxc4 $2 {Precision: White = 51%, Black = 89%.} (37. Qc2) 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Lugovskoy, Maxim"]
[Black "Dastan, Muhammed Batuhan"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2440"]
[BlackElo "2529"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,135,0,0,0,0,0,42,-30,-27,-9,27,-114,-62,-50,28,20,34,26,39,37,37,40,54,20,244,237,246,241,349,320,763,714,841,765,768,793,868,864,804,707,1198,1201,1163,1165,896,20,20,20,8,14,10,24,40,34,51,35,33,8,8,8,24,16,8,49,327,302,310,319,337,337,524,518,535,535,479,535,534,535,529,522,521,498,876,868,835,798,833,617,617,570,559,371,371,364,880,768,29962,29964,29968,29968,29967,29968,29968,29970,29972,29974,29974,29973,29980,29978,29983,29984,29991,29992]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bxc6 Bxc6 8. d4 Bxe4 9. Bg5 Bc6 10. Bxf6 gxf6 11. d5 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} Bd7 12. Nbd2 Qc7 {LiveBook: 9 Games} (12... e5 13. dxe6 Bxe6 14. Nc4 d5 15. Ne3 Be7 16. Qa4+ Qd7 17. Qxd7+ Kxd7 18. Nxd5 Bxd5 {0-1 (53) Muzychuk,A (2561)-Edouard,R (2628) Cap d'Agde 2016}) 13. a4 {The position is equal.} Rg8 14. Nc4 $146 ({Predecessor:} 14. Qc2 Rg7 15. Qd3 Rc8 16. Ne4 Kd8 17. c4 Bf5 18. Qc3 Bxe4 19. Rxe4 Qd7 20. Qa5+ Qc7 21. Qc3 Qd7 22. Qa5+ Qc7 23. Qc3 {½-½ (23) Rayner,F (2080)-Cunningham,R (2263) Hastings 2016}) 14... O-O-O 15. Nfd2 ({Better is} 15. b4 $14) 15... Kb8 $11 16. b4 e6 (16... Bh3 $5 17. g3 cxb4 18. cxb4 Rg4 $11) 17. Qf3 (17. b5 $1 $11 {remains equal.}) 17... exd5 (17... Bh6 $17 18. Ne3 Bxe3 19. Rxe3 exd5 20. Qxf6 d4 $1 {[%mdl 512]} 21. cxd4 cxb4) 18. Ne3 $1 $15 Be6 (18... cxb4 $15 19. Nxd5 Qc6 20. cxb4 Be6 21. Nxf6 Qxf3 22. Nxf3 Bg7 23. Nxg8 Bxa1 24. Rxa1 Rxg8) 19. b5 $1 $11 Rg5 20. bxa6 bxa6 21. Qe2 Ka7 22. f4 $1 $36 {[%cal Rf4g5][%mdl 2048] White is more active.} Rg8 23. f5 Bc8 $2 (23... d4 $11 24. cxd4 Bc8) 24. Nxd5 $18 Qc6 {[#]} 25. c4 $1 (25. Nxf6 Rg7 $11) 25... Bxf5 {[#]} (25... Bd7 {was necessary.} 26. Qh5 (26. Nxf6 Bg7 $11) 26... Qc8) 26. Nb3 $1 a5 $2 (26... Rb8) 27. Qf3 Bd7 28. Rab1 Qa6 29. Qc3 f5 30. Nxa5 Bg7 31. Qd2 {Black must now prevent Rb7+.} Bd4+ 32. Kh1 {Intending Rb7+ and mate.} Rb8 33. Nc7 Be3 34. Nxa6 $2 ({Only move:} 34. Qd5 $18 Qxa5 35. Nb5+ Rxb5 36. axb5) 34... Bxd2 $11 35. Nxb8 Rxb8 36. Rxb8 Kxb8 $18 {[%mdl 4096] Endgame KRN-KB} 37. Rb1+ Bb4 38. Nb3 Bxa4 {[#]} 39. Nd4 $1 {[%mdl 512]} Kc7 (39... cxd4 40. Rxb4+) 40. Ra1 {[%mdl 1024] White has compensation.} Bd7 ({Much weaker is} 40... cxd4 $6 41. Rxa4 Bc5 42. Kg1 $16) 41. Ra7+ Kd8 42. Nb5 d5 $1 {[%cal Rd5c4]} 43. Nd6 d4 $2 {[%mdl 8192]} (43... dxc4 $14 44. Nxf7+ Ke8 45. Nd6+ Kd8 46. Nxc4 Bc3) 44. Nxf7+ Ke8 45. Ne5 Be6 46. Nc6 ({Not} 46. Rxh7 Bd2 $18) 46... Bd7 (46... Kf8 $142 47. Nxb4 cxb4) 47. Ra8+ Kf7 48. Ne5+ Ke6 49. Nxd7 Kxd7 {KR-KB} 50. Kg1 Ke6 51. Rh8 d3 52. Kf2 Ke5 (52... Bd2 $142 53. Re8+ Kf6) 53. Ke3 d2 54. Ke2 Kd4 55. Kd1 Kxc4 56. Kc2 Kd4 57. Rxh7 Ke3 58. Re7+ Kf2 $2 (58... Kf4 59. Re8 Kg5) 59. h4 {[%cal Bh2h4,Bh4h5,Bh5h6,Bh6h7][%mdl 32]} Kxg2 60. h5 {White mates.} f4 61. h6 Bc3 {[#]} 62. Rg7+ $1 {[%mdl 512]} Kf2 (62... Bxg7 63. hxg7) 63. Rd7 Ba1 64. Kxd2 f3 65. Rd8 Kf1 66. h7 c4 67. Ke3 Ke1 68. Rb8 {Precision: White = 79%, Black = 34%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Mu, Ke"]
[Black "Fridman, Daniel"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2411"]
[BlackElo "2640"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,115,12,9,62,12,11,0,20,12,26,0,0,11,12,12,40,8,45,14,40,28,29,0,0,0,0,0,-2,-17,0,0,0,0,8,12,8,0,0,0,0,0,75,67,80,65,84,69,136,124,132,139,189,119,118,118,166,32,32,32,32,33,43,70,71,71,73,33,33,33,33,33,33,0,49,47,49,49,49,51,735,745,678,655,557,529,12850,12850,12850,12847,12847,12847,12848,12848,12849,12849,12850,12850,12850,29979,29978,29979]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Bd3 Ne4 9. O-O {LiveBook: 76 Games} Ndf6 {D52: Queen's Gambit Declined: Cambridge Springs Variation} (9... Nxg5 $11 10. Nxg5 Nf6) (9... Nxg5 10. Nxg5 Nf6 11. Qc2 h6 12. Nf3 Bd6 13. Rae1 O-O 14. Ne5 Bxe5 15. dxe5 Nd7 16. f4 Nc5 17. Bh7+ Kh8 18. a3 g6 19. Bxg6 fxg6 20. Qxg6 {½-½ (32) Wagner,D (2583)-Bu,X (2724) Moscow 2016}) 10. Bxf6 Nxf6 11. Ne5 Bb4 {The position is equal.} 12. Qc2 $146 ({Predecessor:} 12. Rc1 O-O 13. a3 Bxc3 14. Rxc3 Qd8 15. b4 Qd6 16. Qb1 a6 17. Rfc1 {½-½ (31) Vuckovic,B (2623)-Matjushin,G (2490) Cappelle-la-Grande 2011}) 12... O-O 13. a3 Bd6 14. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Qd8 15. Rae1 Re8 16. Qf2 g6 17. Qf3 Re7 18. Kh1 Qf8 19. f5 {[%cal Rf5g6]} Bxe5 20. dxe5 Nd7 $1 {[%cal Rd7e5]} 21. e6 Ne5 22. Qd1 gxf5 23. Bxf5 Qg7 24. exf7+ Rxf7 25. Bxc8 Rxc8 26. Rxf7 Nxf7 27. e4 d4 28. Ne2 Rd8 (28... c5 $11) 29. Nf4 $16 {Threatens to win with Ne6.} Rd6 30. Qb3 $36 {[%mdl 2048] White fights for an advantage.} Qe5 31. Nd3 $1 {[%cal Rd3e5]} Qe7 (31... Qb5 $14 32. Qd1 Qg5) 32. h3 Kg7 33. e5 Rd5 {[#]} 34. Qc4 (34. Qd1 $1 $18) 34... a5 35. Re4 h5 36. Rxd4 ({White should try} 36. Qc1 $18) 36... b5 $1 $14 {[%cal Rb5c4]} 37. Qc3 b4 $1 {[%cal Rb4c3]} 38. axb4 axb4 39. Nxb4 Rxd4 40. Qxd4 c5 {[%cal Bc6c5,Bc5d4,Bd4d3,Bd3d2][%mdl 32]} 41. Nc6 {Hoping for Qc3.} cxd4 42. Nxe7 {[%mdl 4096] Endgame And now Nf5+ would win. KN-KN} d3 43. Nf5+ Kg6 44. e6 Ne5 (44... Nd6 {seems wilder.} 45. Ne3 Kf6 46. e7 Kxe7 47. Nd5+ Kf7) 45. Ne3 Kf6 46. Kg1 {aiming for Kf1.} d2 $1 47. Nd1 {Black must now prevent Kf2.} Kxe6 $2 {[%mdl 8192]} (47... Nd3 $14) 48. Kf2 $18 Kf5 49. Ke3 Nc4+ 50. Kd3 Nxb2+ 51. Nxb2 {KN-KPP} Kf4 52. Ke2 Kg3 {[#]} 53. Kf1 $1 h4 54. Nd1 Kf4 55. Kf2 Ke4 56. Ke2 Kf4 57. Kxd2 Kg3 58. Ne3 {Precision: White = 56%, Black = 44%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Laurusas, Tomas"]
[Black "Ovsejevitsch, Sergei"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "2409"]
[BlackElo "2596"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,66,4,11,0,13,19,5,18,21,15,15,46,56,44,54,99,87,128,131,143,149,142,0,35,31,82,-57,-58,-84,-22,-387,-368,-2879,-2645,-1997,-1288,-29993,-29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 Re8 9. O-O c6 10. Qc2 Nf8 11. Ne5 Ng4 12. Bxe7 Qxe7 13. Nxg4 Bxg4 14. Rae1 Bh5 15. f4 {[%cal Bf2f4,Bf4f5][%mdl 32] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} f6 16. Qf2 {LiveBook: 3 Games} (16. e4 Qb4 17. Qf2 dxe4 18. Rxe4 Bf7 19. a3 Qd6 20. Rfe1 Rxe4 21. Nxe4 Qd5 22. Nc3 Qd6 23. Ne4 Qd5 24. Nc3 Qd6 {½-½ (24) Seyed,J (2421)-Kalugin,S (2410) Rilsk 2017}) 16... Bg6 17. f5 {The position is equal.} Bf7 18. Qh4 c5 $146 ({Find the theoretical novelty and annotate with similar games:} 18... Qb4 19. Re2 Re7 20. Rf3 Rae8 21. Rg3 Kh8 22. Qg4 Bg8 {½-½ (34) Sipahioglu,I (2060)-Korkmaz,N (2078) Konya 2017}) 19. dxc5 Qxc5 20. Qd4 Qa5 21. Nb5 {[%cal Bc3b5,Bb5a7,Ba7c8][%mdl 32]} Red8 22. Rc1 $36 {[%mdl 2048] Black is under pressure.} Rd7 23. b4 Qd8 24. Nxa7 Qb8 25. Nc8 $1 {[%cal Rc8b6] Nb6 is the strong threat.} Rxa2 26. Qb6 (26. Nb6 $16 Rd8 27. Rcd1) 26... d4 27. e4 {aiming for Bb5.} h5 (27... h6 $14) 28. Rc5 ({White should try} 28. Bb5 $16 Qe5 29. Bxd7 Qxe4 30. Bc6 (30. Rf3 Qe2 $17) 30... bxc6 31. Qxc6 Rxg2+ 32. Kh1 Qxc6 33. Rxc6) 28... h4 $1 $15 {[%cal Bh5h4,Bh4h3][%mdl 32]} 29. e5 {Black must now prevent e6.} h3 $1 ({Not} 29... fxe5 $2 30. f6 $18) 30. g3 $2 {[%mdl 8192] [#]} (30. Rf2 $11 {and White has nothing to worry.} Ra1+ 31. Rf1 Rxf1+ 32. Bxf1) 30... Qa8 $1 $19 {Hoping for ...Rg2+.} 31. Be4 $2 (31. e6 Rg2+ 32. Kh1 {[#]} Qa2 $3 $19 {[%mdl 512]}) (31. Ra5 Rg2+ 32. Kh1 Qxc8 33. e6) 31... Qa3 32. Re1 d3 {( -> ...d2)} ({Inferior is} 32... Qb2 33. Rc2 $14) 33. Rd1 Qb2 {Precision: White = 43%, Black = 55%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Bruedigam, Martin"]
[Black "Braun, Arik"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2408"]
[BlackElo "2577"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,26,25,20,18,35,0,-6,-6,-14,-59,-58,-67,-56,-493,-487]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O Ng6 {B12: Caro-Kann: Advance Variation} 7. Ne1 h5 {LiveBook: 3 Games} 8. Be3 Nd7 {The position is equal.} 9. Nd2 Ndxe5 10. dxe5 {[#] aiming for Ndf3.} d4 11. Bxd4 $146 ({Find the theoretical novelty and annotate with similar games:} 11. Nc4 dxe3 12. Nxe3 Nxe5 13. Nxf5 exf5 14. Nd3 {½-½ (52) Harikrishna,P (2766)-Rapport,R (2702) Wijk aan Zee 2017}) 11... Qxd4 12. Nc4 Nf4 13. c3 $2 {[%mdl 8192]} (13. Nf3 $15 Qe4 14. Bd3 Nxd3 15. cxd3 Qxd3 16. Nd6+ Bxd6 17. exd6) 13... Qe4 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Lodici, Lorenzo"]
[Black "Tregubov, Pavel V"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2408"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,57,4,6,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,25,20,34,24,31,0,23,23,23,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 7. O-O Bb7 8. cxd5 exd5 9. a3 Bd6 10. b4 a6 11. Qb3 Qe7 12. Rb1 {E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} Re8 {LiveBook: 3 Games} 13. a4 (13. h3 {keeps more tension.} Nbd7 14. a4 h6 15. b5 Qe6 16. Bb2) 13... Nc6 {[%cal Rc6b4]} 14. Nxd5 {The position is equal.} Nxd5 15. Qxd5 Nxb4 16. Qxb7 {[#] Strongly threatening Rxb4.} Nxd3 17. Bd2 $146 ({Find the theoretical novelty and annotate with similar games:} 17. Qc6 Nb4 18. Qc4 a5 19. Bd2 Qd7 {½-½ (54) Mkrtchian,L (2465)-Jakovenko,D (2723) Yerevan 2014}) 17... a5 18. Qc6 Nb4 19. Bxb4 axb4 20. Ne5 Bxe5 21. dxe5 Red8 22. Rfc1 Ra5 23. g3 g6 ({Much worse is} 23... Qxe5 $6 24. Rxb4 g6 25. Qxc7 $16) 24. Kg2 Rd2 ({Reject} 24... Rxe5 $6 25. Qxc7 Rxe3 26. Qxb6 $14 (26. fxe3 Qe4+ 27. Kg1 Qxe3+ 28. Kh1 Qe4+ 29. Kg1 Qe3+ 30. Kh1 Qe4+ 31. Kg1 Qe3+ $11)) 25. Qxc7 Qxc7 26. Rxc7 Rxa4 27. Rc6 Ra5 28. Rxb4 {aiming for Re4.} Rxe5 29. Rcxb6 {Precision: White = 69%, Black = 74%.} (29. Rbxb6 $2 Rf5 $17) 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Kumsiashvili, Nikoloz"]
[Black "Brunello, Sabino"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2403"]
[BlackElo "2566"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,110,7,10,0,0,0,0,0,0,0,27,0,0,-135,-129,-120,-138,-123,-28,-28,-28,-28,-28,-28,-28,-29,-29,-31,-36,-43,-23,-24,-26,-42,-42,-50,-58,-99,-99,-127,-124,-153,-145,-145,-8,-13,-16,-88,-41,-56,-8,-8,-8,-8,-8,-16,-16,-1650,-1660,-6099,-5884,-29965,-8,-8,0,-29966,-29966,-29966,-29965,-29969,-29970,-29970,-29971,-29972,-29973,-29973,-29974,-29978,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29983,-29984]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3 Be7 8. Bb5+ c6 9. Bd3 O-O 10. e4 Nxc3 11. bxc3 c5 12. O-O Qc7 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} 13. Qe2 Rd8 {LiveBook: 8 Games} 14. Re1 Nc6 {[%cal Rc5d4] The position is equal.} 15. d5 exd5 16. exd5 Rxd5 {[#]} 17. Bg5 $146 {[%cal Rg5e7][%mdl 512] [#]} ({Predecessor:} 17. Ng5 g6 18. Nxf7 Rf8 19. Qe4 Rxf7 20. Qxd5 Nb4 21. Qxf7+ Kxf7 22. axb4 cxb4 23. Rxa7 Qxc3 24. Rd1 Qc6 25. f3 Qc8 26. Kh1 g5 {½-½ (25) Rattinger,F (2688)-Mercky,G (2524) ICCF email 2008}) 17... Ne5 $1 {[%mdl 512]} (17... Rxg5 18. Nxg5) 18. Bf4 (18. Nxe5 Bxg5) 18... Rxd3 19. Bxe5 (19. Nxe5 $11 Rdd8 20. Nxf7 $1 {[%mdl 512]} Qxf4 21. Nxd8 Bxd8 22. Rad1) 19... Qd7 $17 20. Bd4 Rxf3 $1 ({Don't play} 20... Rxd4 $6 21. cxd4 Bd6 22. Rad1 $14) 21. Qxe7 Qxe7 (21... Qc6 $1 $17 22. gxf3 Qg6+ 23. Kf1 Ba6+ 24. Re2 cxd4 25. cxd4 Bd3) 22. Rxe7 $11 Rd3 23. Rxb7 {aiming for Be5.} cxd4 24. cxd4 Rxd4 {[%mdl 4096] Endgame KRR-KRR} 25. Re1 Ra4 26. Re3 Rf8 27. h3 g5 28. Rd3 Kg7 29. g3 h5 30. Kg2 Kg6 31. Rc3 f6 32. Rcc7 Rxa3 33. g4 hxg4 34. hxg4 {White threatens Rg7+ and mate.} f5 (34... Rg8 $1 $17 35. Rd7 Ra4) 35. Rg7+ Kf6 36. gxf5 (36. Rxa7 $11 Rxa7 37. Rxa7) 36... Kxf5 (36... Ke5 {is more complex.} 37. Rxg5 Rxf5 38. Rgg7 Ra2 39. Kg3 Rfxf2 40. Rge7+ Kd5) 37. Rxa7 Rxa7 (37... Rb3 {seems wilder.} 38. Rad7 Kg4 39. Rd4+ Rf4 40. Rd5 Rf5) 38. Rxa7 {KR-KR} Ke4 {Hoping for ...Kd4.} 39. Rb7 $1 Rf6 40. Kg3 Kd5 {Threatening ...Kc6.} 41. Rg7 $2 {[%mdl 8192]} (41. f3 $11) 41... Rf5 $19 42. f3 b5 {[%cal Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 43. Kg4 {[#]} Rf4+ $2 (43... Re5 $1 {mates} 44. Rd7+ Kc4 45. f4 gxf4 46. Kxf4 Rd5 47. Rc7+ Rc5 48. Rd7 b4 49. Ke3 Kc3 50. Rd3+ Kc2 51. Rd2+ Kc1 52. Rf2 b3 53. Kd4 Rc8 54. Kd3 Kb1 55. Rf1+ Ka2 56. Rf7 Ra8 57. Kd4 b2 58. Rf1 b1=Q 59. Rxb1 Kxb1 60. Kd5 Re8 61. Kc4 Kc2 62. Kc5 Kc3 63. Kd5 Re1 64. Kc5 Rd1 65. Kb5 Rd5+ 66. Kb6 Kb4 67. Kc6 Rd3 68. Kb7 Kc5 69. Kc7 Kb5 70. Kb7 Rc3 71. Ka8 Ka6 72. Kb8 Kb6 73. Ka8 Rc8#) 44. Kg3 $11 Rf5 $2 {[%mdl 8192]} (44... Ra4 $11) 45. Kg4 {[#]} Re5 $1 {Black mates.} 46. Rc7 b4 47. f4 gxf4 48. Kxf4 Re1 49. Kf3 b3 50. Rb7 Kc4 51. Kf2 Re8 52. Rc7+ Kd3 53. Rb7 Kc2 54. Rc7+ Kb1 55. Kf1 b2 {Precision: White = 42%, Black = 58%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Ikeda, Junta"]
[Black "Kunin, Vitaly"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2397"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,86,-29,-24,-32,-2,-27,-31,-63,-26,-33,-4,-70,-74,-126,-152,-148,-142,-279,-198,-280,-280,-1369,-1382,-1351,-495,-481,-361,-833,-827,-839,-830,-929,-858,-814,-465,-465,358,-452,-462,-463,-426,-455,-452,-453,-441,-454,-452,-524,-524,-495,-479,-526,-464,-537,-525,-519,-462,-566,-544]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. e3 c5 9. Bd3 b6 10. Ne2 Ba6 11. Bxa6 Nxa6 12. O-O Nc7 13. Ng3 Re8 14. Qd3 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3} (14. Ra2 Nb5 15. Qd3 Nd6 16. Re2 Qd7 17. e4 Qb5 18. Qxb5 Nxb5 19. Bb2 Nd6 20. e5 Nc4 21. exf6 Rxe2 22. Nxe2 Nxb2 23. dxc5 bxc5 {½-½ (32) Jones,G (2625)-Wojtaszek,R (2727) Gibraltar 2016}) 14... Ne6 15. Bb2 Rc8 {LiveBook: 5 Games} 16. Rae1 {Black has an edge.} Qc7 17. Rf2 h5 $146 ({Find the theoretical novelty and annotate with similar games:} 17... cxd4 18. cxd4 g6 19. Qd2 Re7 20. e4 Qf4 21. Qd1 Rec7 22. Ne2 Qh4 23. e5 Ne8 24. g3 Qd8 25. Bc1 Rc4 {½-½ (25) Konaplev,A (2147)-Dimitrov,V (2428) Sunny Beach 2015}) 18. Ref1 cxd4 19. cxd4 Qc4 20. Qf5 ({White should try} 20. Qd2 $11) 20... h4 $36 {[%mdl 2048] Keeping White busy.} 21. Nh5 (21. Nh1 $142) 21... Nxh5 $17 22. Qxh5 Qb3 23. g3 (23. Bc1 $17 {was necessary.}) 23... Qxe3 24. Qxd5 (24. Kg2 {might work better.}) 24... Ng5 $19 25. Kh1 $2 (25. Qd7 hxg3 26. hxg3) 25... Nh3 26. Rg2 hxg3 (26... Qd3 $142 27. Ra1 Re6) 27. hxg3 Qh6 28. Qb3 $2 ({Don't go for} 28. Rh2 $2 {[#]} Rc2 $1 $19 {[%mdl 512]}) (28. Qf5 Nf2+ 29. Kg1 Qh1+ 30. Kxf2 Re2+ 31. Kxe2 Qxg2+ 32. Rf2 Re8+ 33. Qe5 Rxe5+ 34. dxe5 Qxg3 35. Ke3) 28... Re3 29. Qb5 Re6 30. Qb3 Rce8 {( -> ...Nf2+)} 31. Qb5 Nf2+ 32. Kg1 Qh1+ 33. Kxf2 {[#]} Re2+ $1 {[%mdl 512] Black is clearly winning.} 34. Qxe2 Rxe2+ 35. Kxe2 Qxg2+ {[%mdl 4096] Endgame KQ-KRB} 36. Rf2 Qxg3 37. Ke3 Kf8 38. d5 Qg5+ 39. Ke4 Qe7+ 40. Kf4 g5+ 41. Kg4 Qe3 42. Kg3 Ke7 43. a4 Kd6 {Precision: White = 20%, Black = 78%.} 0-1

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Tomazini, Zan"]
[Black "Kvon, Andrey"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2395"]
[BlackElo "2500"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,110,41,30,37,27,38,43,40,51,62,0,0,-5,-6,-3,0,-61,-13,-29,-20,-17,-6,-6,0,-8,0,-20,0,-17,0,-57,0,0,0,0,0,0,-6,-33,12,0,0,-51,-60,-66,-55,-50,0,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 g6 5. dxc5 dxc5 6. e5 Nh5 {B07: Pirc Defence: Miscellaneous Systems} (6... c4 7. Qa4+ Bd7 8. Qxc4 Ng4 9. Nf3 Nc6 10. Be4 Ngxe5 11. Nxe5 Nxe5 12. Qe2 Bg7 13. O-O O-O 14. Rd1 {0-1 (27) Rabiega,R (2498)-Almasi,Z (2702) Germany 2016}) 7. Nf3 Nc6 8. O-O Bg7 {White is slightly better.} 9. Re1 $146 ({Predecessor:} 9. Be4 Nxe5 10. Qxd8+ Kxd8 11. Be3 Nc4 12. Bxc5 Nf6 13. Bc2 b6 14. Bd4 Nxb2 {0-1 (104) Skawinski,A (2239)-Kempinski,R (2599) Warsaw 2012}) 9... Bf5 10. Bxf5 (10. Be2 $14) 10... Qxd1 $1 $11 11. Rxd1 gxf5 12. Re1 Rd8 13. Bd2 ({White should try} 13. Kf1 $1 $11) 13... O-O 14. h3 Rd3 $36 {[%mdl 2048] Black fights for an advantage.} 15. Re2 f4 16. Na3 Rfd8 17. Rae1 a6 18. Nb1 b5 19. Re4 Bh6 20. R1e2 (20. a4 $11) 20... f5 (20... Ng7 $15) 21. exf6 $1 Nxf6 22. Re6 R8d6 23. Nh4 R3d5 24. g4 (24. a4 $5) 24... fxg3 (24... Rxe6 {keeps more tension.} 25. Rxe6 Ne5 26. Rxe7 Bf8 27. Re6 Kf7) 25. Bxh6 Rd1+ 26. Re1 (26. Kg2 $11 gxf2 27. Kxf2 Rxb1 28. Nf5 Rxe6 29. Rxe6) 26... Rxb1 $1 $15 27. fxg3 Rxe6 ({Inferior is} 27... Rxb2 28. Nf5 $16) 28. Rxb1 Re2 29. Nf3 Kf7 30. Kf1 Rc2 31. Bd2 {Strongly threatening Ke2.} b4 32. cxb4 Ne4 33. Ng5+ Nxg5 34. Bxg5 Nxb4 $11 {[%mdl 4096] Endgame KRB-KRN} 35. Re1 Rxb2 36. Rxe7+ Kg6 37. h4 h5 38. Rc7 Nd3 39. Rd7 c4 40. Rd4 Rf2+ 41. Kg1 {[#] And now Rxd3! would win.} Rc2 42. g4 hxg4 43. Rxg4 Ne5 44. Re4 Nf3+ (44... Kf5 $5 45. Rf4+ $8 Kg6 $11) 45. Kf1 c3 (45... Nxg5 46. hxg5 Kf5 47. Re2 $15) 46. Ra4 Nxg5 47. Rxa6+ {The position is equal.} Kf5 48. hxg5 {KR-KR} Rh2 49. Rc6 c2 50. Ke1 $1 Kxg5 {[#] aiming for ...Kf5.} 51. Rc4 Kf5 52. a4 Ke5 {Hoping for ...Kd5.} 53. a5 Kd5 54. Rc8 Rh1+ (54... Kd4 $5 55. a6 $8 Kd3 56. Rd8+ (56. a7 Rh1+ 57. Kf2 Ra1 $11) 56... Ke4 $11) 55. Kd2 Ra1 {Precision: White = 70%, Black = 51%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Mandizha, Farai"]
[Black "Berelowitsch, Alexander"]
[Result "1/2-1/2"]
[ECO "D08"]
[WhiteElo "2392"]
[BlackElo "2527"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,51,0,0,15,-9,-2,-19,-3,-20,57,62,68,-2,2,-17,-17,-19,-19,-23,-13,-20,-5,-22,-11,-12,-22,-35,-32,-41,-45,-84,-59,-96,-69,-59,0,0,4,3,5,5,5,6]} 1. d4 d5 2. c4 e5 3. Nf3 e4 4. Nfd2 c6 5. Nc3 Nf6 6. e3 {LiveBook: 7 Games. D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} (6. cxd5 cxd5 7. Nb3 h6 8. Bf4 Be6 9. e3 Bb4 10. a3 Bxc3+ 11. bxc3 Nbd7 12. a4 Rc8 13. Bd6 Rxc3 {1-0 (44) Hernando Rodrigo,J (2345)-Jedryczka,K (2315) Castelldefels 2006}) 6... Na6 7. cxd5 cxd5 8. f3 $146 ({Predecessor:} 8. Bb5+ Bd7 9. O-O Nc7 10. Be2 Bd6 11. f3 exf3 12. Bxf3 {½-½ (21) Tran,Q-Phan,D Ho Chi Minh City 1999}) 8... exf3 9. Qxf3 Bd6 ({Better is} 9... Nb4 $11 10. Bb5+ Bd7 11. Bxd7+ Qxd7) 10. Bb5+ $14 ({And not} 10. Nxd5 Nxd5 11. Bb5+ Kf8 $17) 10... Bd7 11. Bxd7+ ({White should play} 11. Bxa6 $1 $14 bxa6 12. Nxd5 Nxd5 13. Qxd5) 11... Qxd7 $11 12. O-O (12. e4 $5 {[%cal Re4e5]} Nb4 13. O-O $11) 12... O-O 13. e4 dxe4 14. Ndxe4 Nxe4 15. Nxe4 Nb4 16. Bd2 Be7 17. Rad1 Nd5 18. Qh5 Rad8 19. Bc1 b6 20. Rf3 {[#] Hoping for Rh3.} Qe6 21. Re1 g6 (21... f5 {looks sharper.} 22. Qh3 Nc7 23. Qg3 Rxd4 24. Ng5 Qd7) 22. Qe5 Qxe5 (22... Qc6 $15 23. Bh6 f6) 23. dxe5 {The position is equal.} Rd7 24. Rd1 Rfd8 25. Rfd3 b5 26. Bg5 {Precision: White = 46%, Black = 54%.} 1/2-1/2

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Gokerkan, Cem Kaan"]
[Black "Wieczorek, Oskar"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2357"]
[BlackElo "2460"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,89,26,39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,35,29,33,43,54,48,539,59,59,16,51,0,0,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,0,28,30,43,7,11,0,33,0,28,14,96,109,166,0,576,558,1443,1454,29985,29986,29996,29997,29997,29996,29998,29997]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 {B11: Caro-Kann: Two Knights Variation} e6 7. Ng3 c5 8. c3 (8. Bd3 Nc6 9. Nxe4 dxe4 10. Bxe4 cxd4 11. O-O Bd7 12. a3 h6 13. Re1 {1-0 (71) Short,N (2675)-Caruana,F (2827) Caleta 2017}) 8... Nc6 9. Bd3 cxd4 {LiveBook: 6 Games} 10. cxd4 Bb4+ 11. Kf1 f5 12. Ne2 O-O $146 ({Predecessor:} 12... Bd7 13. h4 {0-1 (53) Middleton,T-Haydon,D (2290) High Wycombe 2011}) 13. h4 Bd7 14. Nf4 (14. a3 $5 {[%cal Ra3b4]} Be7 15. b4 $11) 14... Rac8 (14... Nxd4 15. Be3 $17) 15. Be3 Be7 16. Kg1 Na5 17. Ng5 Nxg5 18. hxg5 Bxg5 {[#]} ({Wrong is} 18... Qxb2 $2 19. Rb1 $18) 19. Nxd5 $1 {[%mdl 512]} exd5 20. Bxg5 Qxb2 21. Rh4 $1 {Hoping for Rb1.} Ba4 $2 {[%mdl 8192] [#]} (21... Qb6 $14) 22. Qxa4 $2 (22. Qh5 $1 $18 {[%cal Rh5h7][%mdl 512]} Qxa1+ 23. Kh2) 22... Qxa1+ $14 23. Kh2 Qc3 $1 {[%cal Rc3d3]} 24. Qd7 (24. Qb5 $14) 24... Qc6 $1 $11 {[%cal Rc6d7]} ({But not} 24... Qxd3 $2 {[#]} 25. Bf6 $1 $18 {[%mdl 512]}) 25. Bxf5 Qxd7 26. Bxd7 Nc6 27. Be6+ Kh8 28. Bxc8 Rxc8 {[%mdl 4096] Endgame KRB-KRN} 29. Be3 b5 30. Kg3 Kg8 (30... Ne7 $5 {[%cal Re7f5]} 31. Kg4 Rc2 $11) 31. Rh1 Ne7 32. Kf4 Kf7 33. Rxh7 b4 34. Kg5 Rc2 35. Rh8 Rxa2 36. Rb8 Nc6 37. Rb7+ Ke8 (37... Kf8 $11 {keeps the balance.}) 38. e6 $16 Ra6 (38... Nd8 $16 39. Rxb4 Nxe6+ 40. Kf5 Nc7) 39. f4 $2 (39. Rxg7 $18 {Kf6 is the strong threat.} Nd8 40. Kf5 Nxe6 41. Rb7) 39... Rb6 $2 {[%mdl 8192]} (39... Ra3 $11 {and Black has nothing to worry.} 40. Bc1 Rg3+ 41. Kh4 Rc3) 40. Rxg7 $18 b3 {And now ...b2 would win.} 41. f5 {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32] f6 would kill now.} ({Weaker is} 41. Kf6 Kd8 $18) 41... b2 42. f6 {[%cal Rg7g8] White mates.} Kd8 43. Rd7+ Ke8 44. f7+ Kf8 45. Kh5 {Precision: White = 72%, Black = 37%.} 1-0

[Event "7th RTU Open 2017"]
[Site "Riga"]
[Date "2017.08.11"]
[Round "7"]
[White "Ozturk, Kubra"]
[Black "Sulskis, Sarunas"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2298"]
[BlackElo "2519"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,52,0,24,44,-9,0,-33,-56,-47,-39,-38,-56,-61,-62,-57,-49,-64,-52,-39,-39,-77,-82,-89,-35,-139,-152,-192,-200,-200,-181,-225,-221,-235,-245,-277,-196,-284,-247,-308,-279,-417,-407]} 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Nf3 dxc4 5. Bg2 Nc6 6. O-O Rb8 7. e3 e5 {E04: Open Catalan: 5 Nf3} (7... b5 8. b3 cxb3 9. axb3 Be7 10. Qe2 O-O 11. Bd2 Bb7 12. Rc1 a6 13. Ne1 Nb4 14. Bxb7 Rxb7 15. Bxb4 Bxb4 16. Rxa6 {½-½ (48) Radjabov,T (2722)-Cheparinov,I (2677) Monzon 2016}) 8. b3 $146 (8. Nxe5 $14 Nxe5 9. dxe5 Qxd1 10. Rxd1) ({Predecessor:} 8. Nbd2 exd4 9. Nxc4 Be6 10. Nce5 Nxe5 11. Nxe5 Bd6 12. Qa4+ c6 13. exd4 O-O 14. Qxa7 Qc7 15. Qa4 {0-1 (42) Bindrich,F (2594)-Hausrath,D (2503) Berlin 2015}) 8... Bg4 9. Qc2 exd4 {Black is slightly better.} 10. Nxd4 Nxd4 11. exd4 Qxd4 12. Re1+ Be6 13. Bb2 Qd3 14. Qc1 Bb4 15. Re3 Qd6 {...cxb3 is the strong threat.} 16. Nc3 O-O ({Weaker is} 16... cxb3 17. Nb5 $16) 17. bxc4 Rfd8 ({Black should try} 17... Rbd8 $17 {And now ...c6 would win.} 18. Bxb7 Bc5) 18. Nb5 ({White should play} 18. Nd5 $1 $15) 18... Qd2 $36 {[%mdl 2048] Black is on the roll.} 19. Bc3 Bxc3 20. Rxc3 c6 21. Qxd2 Rxd2 22. Na3 Rbd8 23. h3 R8d3 24. Rb3 (24. Rxd3 $142 Rxd3 25. Nc2) 24... h5 25. Bf1 {[#]} Rxa2 $1 {[%mdl 512]} 26. Rxd3 (26. Rxa2 {was worth a try.} Rxb3 27. Nc2) 26... Rxa1 {Precision: White = 24%, Black = 63%.} 0-1

