[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Bluebaum, Matthias"]
[Black "Stark, Lars"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2637"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,53,14,5,45,19,56,74,70,22,60,16,9,0,13,16,27,5,6,0,0,0,0,0,0,0,0,-15,0,-8,-7,-34,0,-11,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. Ne2 c5 8. Qd2 {LiveBook: 5 Games} Bg4 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} (8... O-O 9. d5 h6 10. Bh4 g5 11. Bg3 e5 12. h4 g4 13. Nc3 f5 14. h5 a6 15. d6 Nc6 16. Qd5+ {0-1 (40) Bluebaum,M (2640)-Xiong,J (2634) Wijk aan Zee 2018}) 9. d5 $1 Bxe2 10. Bxe2 Qd6 $146 {White is better.} ({Predecessor:} 10... Qb6 11. O-O Nd7 12. Rab1 a5 13. a3 f6 14. Bh4 Qb3 15. Rfc1 a4 16. Bd1 {0-1 (51) Hoang,T (2303)-Vo,T (2197) Hanoi 2014}) 11. O-O h6 12. Bh4 Be5 13. Bg3 Nd7 14. Bxe5 Qxe5 15. b4 O-O 16. a3 Rac8 17. Rab1 Rfd8 18. Rfd1 b6 19. Qc2 Rc7 20. Qa4 Qd6 21. h3 h5 22. Rd2 Nf6 23. h4 {The position is equal.} Qd7 24. Qb3 Qf5 25. Qa4 Qd7 26. Qb3 Qf5 27. Qa4 {Precision: White = 45%, Black = 60%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Hovhannisyan, Robert"]
[Black "Jablonicky, Martin"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2608"]
[BlackElo "2361"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,142,12,13,8,15,5,6,6,6,8,9,8,7,7,7,7,7,0,0,8,8,8,7,0,4,3,7,0,0,0,0,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-12,-8,-8,0,0,0,-8,0,0,0,0,0,0,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,33,0,33,33,33,33,33,33,33,33,33,33,33,33,33,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. O-O Bd6 8. Qh5 Qf6 {C43: Petroff Defence: 3 d4} 9. Nc3 Qxd4 10. Be3 Qe5 11. Qxe5+ Bxe5 12. Nxd5 Nf6 {LiveBook: 19 Games} 13. Rae1 Nxd5 14. Bd2 f6 15. f4 {[#]} Nxf4 $1 16. Bxf4 {[#]} O-O $146 17. Bxe5 fxe5 18. Bc4+ Kh8 19. Rxe5 Rxf1+ 20. Kxf1 Re8 21. Rxe8+ Bxe8 $11 {[%mdl 4096] Endgame KB-KB} 22. Kf2 g5 23. Ke3 Kg7 24. Kd4 Kf6 25. Bd3 h5 26. Be4 b6 27. Kd5 Bf7+ 28. Kd4 $1 c5+ ({Reject} 28... Bxa2 $6 29. b3 $16) 29. Kd3 Ke5 ({Much worse is} 29... Bxa2 $6 30. b3 $16) 30. a3 Kf4 31. g3+ Kg4 {...Kh3 is the strong threat.} 32. Bg2 $1 Bg6+ 33. Kc4 Bxc2 34. Kb5 $1 Bd3+ 35. Kc6 h4 36. gxh4 gxh4 37. Kb7 b5 38. Kxa7 Kf4 39. Kb6 Ke3 40. Bc6 b4 41. Kxc5 bxa3 42. bxa3 {aiming for a4.} Bc2 43. Kd6 {[#] And now Ke5 would win.} Kf2 $1 44. Ke5 {Threatens to win with Kf4.} Kg1 45. h3 Kh2 46. Bd7 Kg3 47. Kd4 Bb3 48. Ke3 Bd1 49. Kd3 Bb3 50. Kd2 Kg2 51. Kc3 Bd1 $1 52. Kb4 Kg3 53. Be6 Bc2 54. Bg4 Kf4 55. Bd7 Kg3 56. Kc4 Bd1 57. Kc3 Kg2 58. Bc8 Kg3 59. Be6 Ba4 60. Bg4 Be8 61. Kb4 Bc6 62. Bf5 Be8 63. Bc8 (63. Kc5 {with more complications.} Kf4 64. Bc8 Ba4 65. Kd5 Kg3 66. Kd4) 63... Bc6 64. a4 (64. Kc4 {is more complex.} Kf4 65. Kc5 Ba4 66. Kd5 Kg3 67. Kc4) 64... Bxa4 $1 {The position is equal.} 65. Kxa4 {KB-KP} Kf4 66. Kb5 Ke5 67. Kc6 Kf6 68. Kd6 Kg7 69. Ke7 Kh8 70. Kf6 Kh7 71. Be6 Kh8 72. Kg6 $2 {[%mdl 8192] Precision: White = 84%, Black = 91%.} (72. Bf5) 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Esipenko, Andrey"]
[Black "Oboladze, Luka"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2589"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,76,37,26,36,36,56,11,57,46,42,23,31,14,32,22,6,6,13,19,72,25,40,-12,0,-42,-82,-77,-59,-43,-4,-20,-17,-67,0,0,0,0,0,0,0,0,0,-42,-51,-56,-55,-48,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. Bf4 c5 6. dxc5 Bxc5 7. e3 Nc6 8. Be2 O-O 9. O-O dxc4 10. Bxc4 {LiveBook: 26 Games} Bd7 {D37: Queen's Gambit Declined: 5 Bf4} (10... Qxd1 11. Rfxd1 b6 12. Ng5 Be7 13. Nge4 Rd8 14. Bb5 Bb7 15. Nd6 Bxd6 16. Bxd6 Rac8 17. f3 a6 18. Be2 {0-1 (47) Rapport,R (2700)-Aronian,L (2797) Caleta 2018}) 11. a3 Rc8 $146 ({Predecessor:} 11... Ne7 12. Bg5 Ng6 13. Bxf6 gxf6 14. Ne4 {0-1 (71) Pacheco,J (1072)-Mendes,B (1393) Famalicao 2017}) 12. h3 Be7 13. Qe2 a6 14. Rad1 b5 15. Bd3 Qb6 16. Ne4 Nxe4 17. Bxe4 Rfd8 18. Ng5 {[#] Qh5 would kill now.} g6 (18... h6 $11 19. Nf3 b4) 19. h4 (19. Nxh7 $5 f5 20. Ng5 $14 (20. Bxc6 Bxc6 21. e4 Kxh7 $15)) 19... Be8 20. Bb1 (20. Qg4 $14) 20... b4 21. Qf3 bxa3 22. bxa3 Rxd1 23. Rxd1 Rd8 24. Rf1 Qb5 25. Ne4 Ne5 ({Don't play} 25... Bxh4 $6 26. Bc7 $11) (25... f5 $1 $15 26. Ng5 e5 27. Ba2+ Kh8) 26. Qg3 $11 Nc4 27. Bg5 $1 {[%cal Rg5e7]} Nd2 28. Nxd2 $1 Bxg5 29. hxg5 Rxd2 30. Qf4 Qb3 {[#] White must now prevent ...Rd1.} 31. Be4 Qxa3 32. Rb1 Qd6 33. Rb8 {The position is equal.} Kf8 {...e5 is the strong threat.} 34. Qxd6+ Rxd6 35. Ra8 $1 Ke7 36. Ra7+ Kf8 37. Ra8 Ke7 38. Ra7+ Kf8 {Precision: White = 35%, Black = 59%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Schroeder, Jan Christian"]
[Black "Sawlin, Leonid"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2573"]
[BlackElo "2346"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,113,5,14,12,50,49,40,28,63,54,124,110,141,54,92,95,91,81,75,35,327,327,533,494,968,527,895,517,520,526,522,510,834,430,404,408,422,407,408,386,391,322,680,684,717,387,370,396,396,394,395,392,389,387,383,368,390,337,325,327,323,321,399,373,373,332,327,326,321,260,259,265,304,284,331,327,323,311,389,322,440,437,435,418,481,465,501,486,512,500,631,613,575,561,695,727,695,695,679,424,1972,1903]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. Bxb5+ Qxb5 {LiveBook: 9 Games. C02: French: Advance Variation} 8. Na3 (8. a4 Qb6 9. O-O cxd4 10. a5 Qc7 11. Qa4+ Qd7 12. Nxd4 Qxa4 13. Rxa4 a6 14. c4 Ne7 15. Bg5 {1-0 (39) Savic,M (2545)-Kantorik,M (2260) Veliko Gradiste 2018}) 8... Qa6 9. dxc5 Bxc5 {White is slightly better.} 10. b4 $1 {[%cal Rb4c5]} Bf8 11. Nd4 Nd7 (11... Qb6 $14) 12. Nab5 $16 Rc8 13. O-O $146 (13. f4 $1 $16) ({Predecessor:} 13. a4 Nxe5 14. Bf4 Bd6 15. O-O {1-0 (31) Shaarbaf,M (2332)-Korkmaz,N (1973) Istanbul 2004}) 13... Qb6 14. Be3 $1 Nxe5 {[#] Threatening ...a6.} 15. Qa4 $1 $36 {[%mdl 2048] aiming for Nd6+. White has strong initiative.} Nd7 16. Nxa7 Ra8 $2 {[%mdl 8192] [#]} ({Black should try} 16... Rc4 $1 $14) 17. Ndb5 $1 $18 Qd8 $2 (17... Rxa7 18. Nxa7 Qc7) 18. Bf4 Nb6 (18... e5 $142 19. Bxe5 Nxe5 20. Nc7+ Ke7) 19. Nc7+ Ke7 20. Qa5 Nc4 21. Qc5+ Kf6 22. Qd4+ Ke7 (22... Kg6 $142 23. Nxa8 Qxa8 24. Qd3+ Kf6) 23. Nxa8 Qxa8 24. Rfe1 Nf6 25. Rad1 b6 26. Nb5 Qc6 27. a4 Kd7 $2 (27... Ke8 28. Bh6 Rg8) 28. Na7 Qxa4 29. Qxc4 {White threatens Qc8+ and mate.} Bd6 30. Qd4 Qxa7 31. Bxd6 Kxd6 32. c4 ({Less strong is} 32. Ra1 Qc7 $18) 32... Rd8 33. cxd5 ({Not} 33. Ra1 Qc7 $18) 33... Ke7 34. Qe5 Qb8 35. Qxb8 Rxb8 36. dxe6 fxe6 {[%mdl 4096] Endgame KRR-KRN} 37. Rc1 Kd7 38. b5 Nd5 39. Ra1 Rb7 40. Rec1 Nc7 41. Rd1+ Ke7 42. Rdb1 Kd6 43. Kf1 Nd5 44. Rc1 Ke7 45. Rc6 Kf7 46. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rd7 47. Re1 Re7 48. Re5 g6 49. g3 {White is clearly winning.} Re8 50. Kg2 Re7 51. h5 Re8 52. f4 Re7 53. Kf3 Re8 54. h6 Re7 55. Rd6 Re8 56. Rd7+ Kf6 (56... Re7 $142) 57. Rdxd5 {Precision: White = 81%, Black = 32%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Kollars, Dmitrij"]
[Black "Dhulipalla, Bala Chandra Prasad"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2549"]
[BlackElo "2333"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,54,18,12,18,22,25,22,28,28,32,27,19,25,38,5,8,0,19,0,0,0,33,0,0,0,0,-18,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 a5 8. b4 axb4 9. axb4 Rxa1 {A28: English Opening: Four Knights Variation} 10. Qxa1 {LiveBook: 8 Games} Nxb4 (10... e4 11. b5 exf3 12. bxc6 fxg2 13. cxd7+ Nxd7 14. Bxg2 O-O 15. O-O c5 16. f4 Rd8 17. Qa5 {½-½ (38) Agdestein,S (2590)-Adams,M (2615) Hastings 1991 CBM 027 [Ribli,Z]}) 11. Qxe5 Qxe5 12. Nxe5 d6 13. Nd3 Nxd3+ 14. Bxd3 Ke7 15. Bb2 Be6 16. f4 $146 ({Predecessor:} 16. O-O Ra8 17. Rc1 {½-½ (39) Ponce,E (2202)-Sztokbant,B (1925) Santos 2008}) 16... Ra8 17. f5 Bc8 18. Ke2 Ra2 19. Bc3 Ng4 20. Rf1 f6 {The position is equal.} 21. Bb1 Ra3 22. Be4 (22. Rc1 {looks sharper.} Bd7 23. e4 c5 24. h3 Ne5 25. d3) 22... Ne5 (22... b6 {is more complex.} 23. Rc1 Bd7 24. h3 Ne5 25. d3 Ra2+) 23. Bxe5 dxe5 24. c5 Ra4 25. d3 b6 26. cxb6 cxb6 27. Rb1 b5 {Precision: White = 41%, Black = 65%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Praggnanandhaa, R."]
[Black "Chittka, Julius"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2532"]
[BlackElo "2316"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:03:20]} 2. b3 {[%emt 0:00:47]} Nf6 {[%emt 0:01:44]} 3. Bb2 {[%emt 0:00:13]} g6 {[%emt 0:00:43]} 4. g3 {[%emt 0:03:22]} Bg7 {[%emt 0:00:57]} 5. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:10]} 6. c4 {[%emt 0:00:14]} d5 {[%emt 0:03:41]} 7. cxd5 {[%emt 0:01:35]} Nxd5 {[%emt 0:00:29]} 8. Bxg7 {[%emt 0:00:46]} Kxg7 {[%emt 0:00:06]} 9. O-O {[%emt 0:01:38]} Nc6 {[%emt 0:03:31]} 10. d4 {[%emt 0:01:24]} cxd4 {[%emt 0:04:11]} 11. Nxd4 {[%emt 0:00:40]} Ndb4 {[%emt 0:04:04]} 12. Nxc6 {[%emt 0:06:19]} Nxc6 {[%emt 0:00:25]} 13. Bxc6 {[%emt 0:04:19]} bxc6 {[%emt 0:00:29]} 14. Nc3 {[%emt 0:06:51]} Qa5 {[%emt 0:05:31]} 15. Qd4+ {[%emt 0:04:52]} Kg8 {[%emt 0:01:27]} 16. Rfd1 {[%emt 0:04:52]} Be6 {[%emt 0:09:35]} 17. Na4 {[%emt 0:03:04]} Rfd8 {[%emt 0:08:49]} 18. Qc5 {[%emt 0:06:37]} Qb5 {[%emt 0:09:26]} 19. Qe3 {[%emt 0:05:51]} Rd6 {[%emt 0:05:11]} 20. Rxd6 {[%emt 0:11:11]} exd6 {[%emt 0:00:30]} 21. Rd1 {[%emt 0:00:10]} Rd8 {[%emt 0:05:22]} 22. Nc3 {[%emt 0:02:38]} Qa5 {[%emt 0:04:49]} 23. Qd4 {[%emt 0:14:03]} c5 {[%emt 0:05:31]} 24. Qh4 {[%emt 0:01:57]} Rf8 {[%emt 0:08:26]} 25. Ne4 {[%emt 0:05:36]} Qxa2 {[%emt 0:03:13]} 26. Ng5 {[%emt 0:07:04]} h5 {[%emt 0:00:16]} 27. Qe4 {[%emt 0:01:33]} Qxb3 {[%emt 0:02:48]} 28. Rxd6 {[%emt 0:01:03]} Bf5 {[%emt 0:00:37]} 29. Qe7 {[%emt 0:00:30]} Qc3 {[%emt 0:05:04]} 30. e4 {[%emt 0:01:32]} Qe1+ {[%emt 0:01:17]} 31. Kg2 {[%emt 0:00:02]} h4 {[%emt 0:00:52]} 32. gxh4 {[%emt 0:01:49]} Qe2 {[%emt 0:01:12]} 33. Rd8 {[%emt 0:00:49]} Bh3+ {[%emt 0:01:48]} 34. Kxh3 {[%emt 0:00:18]} Qf1+ {[%emt 0:00:32]} 35. Kg3 {[%emt 0:00:08]} Qg1+ {[%emt 0:00:11]} 36. Kf3 {[%emt 0:00:07]} Qh1+ {[%emt 0:00:06]} 37. Ke2 {[%emt 0:00:05]} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Dragnev, Valentin"]
[Black "Faibisovich, Vadim Z"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2509"]
[BlackElo "2310"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,120,35,34,29,31,56,39,55,53,72,12,52,8,28,35,31,27,44,45,52,41,64,72,75,75,89,41,42,0,41,41,43,42,56,31,25,25,31,31,51,39,53,33,42,0,44,12,15,23,124,112,125,60,58,52,63,33,113,114,115,101,160,91,99,63,85,57,55,49,128,97,87,16,16,16,16,16,16,16,24,24,24,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29981]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 {D35: Queen's Gambit Declined: Exchange Variation} 11. Nh4 Bb4 (11... Be7 12. Ne2 f5 13. g3 Bxh4 14. gxh4 Nf6 15. f3 Ke7 16. Rg1 Nh5 17. Kf2 Rae8 18. b4 {½-½ (46) Kramnik,V (2792)-Nisipeanu,L (2672) Dortmund 2018}) 12. a3 {LiveBook: 3 Games} Bxc3+ {White is slightly better.} 13. bxc3 Nb6 14. Kd2 O-O-O $146 ({Predecessor:} 14... Nc8 15. c4 dxc4 16. Bxc4 Nd6 17. Rhc1 Ke7 18. Be2 {1-0 (37) Hammer,J (2622)-Thorfinnsson,B (2426) Kragero 2018}) 15. Be2 Kc7 16. f3 ({Better is} 16. a4 $16) 16... Rhe8 17. g3 Nc8 18. c4 dxc4 19. Bxc4 Re5 20. Rhc1 Ra5 21. Ke1 Nd6 22. Be2 Nf5 23. Ng2 Ne7 24. Rc3 Nd5 25. Rcc1 f5 26. Kf2 Kd6 27. Bd3 Re8 28. Re1 c5 29. dxc5+ Rxc5 30. Rad1 Kc6 31. Rd2 b5 32. Nh4 Nc3 33. h3 Ree5 34. f4 Red5 35. Nf3 Ne4+ (35... f6 $11) 36. Bxe4 $1 $16 fxe4 {[#]} 37. Nd4+ (37. Rxd5 $1 $16 Rxd5 38. Nd4+ Kb7 39. g4) 37... Kb6 $14 38. g4 f6 39. Rb1 Rc3 (39... a5 $14) 40. a4 $36 {[%cal Rb1b5][%mdl 2048] Keeping Black busy.} a6 41. axb5 axb5 {[#]} (41... a5 $142) 42. f5 (42. Ra1 $142 $1) 42... Bf7 43. Rdb2 Be8 $1 44. Ra1 Rxd4 $1 45. exd4 $14 {[%mdl 4096] Endgame And now Rba2 would win. KRR-KRB} Bc6 (45... Bf7 $1 $14) 46. Rab1 {Strongly threatening Rb3.} Rxh3 47. d5 (47. Rb3 $16 Rh2+ 48. Kg3) 47... Bxd5 $11 48. Rxb5+ Kc6 49. Kg2 Rd3 $1 50. Rb6+ Kc5 51. Rxf6 {Threatens to win with Rf8.} e3+ $1 52. Kf1 {Hoping for Re1.} Bf3 {The position is equal.} 53. Re6 {Rc1+ is the strong threat.} Bxg4 54. Re4 (54. Kg2 {looks sharper.} e2 55. Rc1+ Kd5 56. Ra1 h5 57. Ra5+) 54... e2+ 55. Rxe2 Bxe2+ 56. Kxe2 {KR-KR} Rd5 57. Rf1 Kd6 58. f6 {White wants to mate with f7.} Re5+ $1 59. Kd3 {f7 would kill now.} Re8 60. Rh1 Ke5 $2 {[%mdl 40960] Precision: White = 40%, Black = 47%. . An unexpected result.} (60... Rd8 $11) 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Thybo, Jesper Sondergaard"]
[Black "Borisovsky, Dmitry"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2496"]
[BlackElo "2297"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,99,22,20,18,23,21,39,33,39,34,45,39,35,30,45,28,25,0,56,42,37,33,37,23,16,19,36,3,3,6,20,5,35,13,12,0,14,-13,0,0,0,0,7,6,13,26,26,4,49,45,110,90,163,151,254,254,257,247,257,237,329,314,311,220,316,308,323,317,275,299,260,155,495,164,225,240,231,0,309,299,437,452,634,621]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. e4 {A16: English Opening: 1...Nf6 with ...d5} Nxc3 7. dxc3 Qxd1+ 8. Kxd1 Nd7 9. Nd4 c5 {LiveBook: 3 Games} 10. Nb3 b6 11. f3 Bb7 12. Kc2 O-O-O $146 ({Predecessor:} 12... O-O 13. h5 {1-0 (35) Wojtaszek,R (2737)-Yankelevich,L (2442) Germany 2018}) 13. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ne5 14. a5 f5 15. exf5 gxf5 16. Bg5 h6 17. Be3 Rd5 (17... Rhf8 $11) 18. axb6 axb6 19. h5 Rhd8 20. Nd2 Nc6 $1 21. Nc4 Kc7 22. Na3 e5 23. Bc4 R5d7 24. Be6 Rd3 25. Rae1 f4 26. Bc1 Ba6 27. Bf5 R3d6 {[#]} 28. g3 $1 {[%mdl 512]} fxg3 29. Rhg1 b5 30. Rxg3 Bf8 31. Nb1 b4 32. Be3 c4 33. Nd2 Bb5 {[#]} (33... b3+ $14 34. Kc1 Ne7) 34. Ra1 $1 $16 Rf6 (34... Ne7 $16 35. Be4 b3+ 36. Kc1 Ra6 37. Rxa6 Bxa6) 35. Be4 $18 bxc3 (35... Kd7 $16 36. Kc1 Kc7) 36. bxc3 Rfd6 37. Rg4 Rb8 38. Rg6 Rxg6 39. hxg6 (39. Bxg6 Rd8 $16) 39... h5 40. Bd5 Rd8 (40... h4 {was necessary.} 41. Bxc4 (41. Nxc4 h3 $18) 41... h3 42. Bxb5 Rxb5) 41. Bf7 Bg7 42. Nxc4 Bxc4 43. Bxc4 h4 44. Rb1 (44. Be6 $18) 44... Rh8 $2 (44... Rb8 $16 {is tougher.} 45. Rd1 Rd8 46. Rxd8 Nxd8) 45. f4 $2 (45. Bb6+ Kd7 46. Rd1+ Kc8 47. Ba6+ Kb8 48. Rd7) 45... h3 (45... Ne7 {is a better defense.} 46. fxe5 Bxe5) 46. Bd5 h2 47. Bb6+ $2 (47. Be4 $18) 47... Kd7 $2 {[%mdl 8192]} (47... Kd6 $11 {and Black stays safe.} 48. Bh1 Ne7) 48. Bc5 Rc8 (48... Rb8 $142) 49. f5 Nd8 (49... Rc7 $142 50. Be4 Ne7) 50. Bb4 {Precision: White = 66%, Black = 31%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Kaczur, Florian"]
[Black "Vovk, Ilja"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2482"]
[BlackElo "2294"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,101,11,0,28,25,31,8,52,34,36,27,37,14,51,35,45,37,38,29,47,37,108,119,102,116,138,118,129,127,152,133,133,110,138,124,324,324,316,226,222,219,283,280,377,371,369,370,366,373,366,366,473,473,526,392,370,373,545,548,557,556,551,525,529,530,539,530,507,456,444,431,546,545,1012,746,1013,1007,975,967,903,883,1064,1056,1067,1056,1011,951,5702,4966,2141,1972]} 1. g3 e5 2. c4 f5 3. Bg2 Nf6 4. Nc3 d6 5. d4 Be7 6. e3 O-O 7. Nge2 {LiveBook: 35 Games} Kh8 {A21: English Opening: 1...e5 2 Nc3} (7... Na6 8. O-O c6 9. b3 e4 10. d5 Nc5 11. f3 cxd5 12. cxd5 exf3 13. Bxf3 Bd7 14. Nd4 Rc8 15. Nce2 {½-½ (28) Ernst,S (2548)-Efimenko,Z (2636) Germany 2017}) 8. b3 c6 9. Bb2 Be6 $146 {The position is equal.} ({Predecessor:} 9... Qe8 10. O-O a5 11. Qd2 e4 12. f3 d5 13. cxd5 cxd5 {1-0 (36) Barry,R-Hayward,K USA 1995}) 10. Qd2 Nbd7 11. Rd1 Bf7 12. O-O Qc7 13. e4 $36 {[%mdl 2048] White is more active.} fxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. Bg2 e4 {[#]} (16... Rae8 $14) 17. d5 $1 $16 {[%mdl 512]} cxd5 18. cxd5 Rae8 19. Nf4 Bd8 20. Bh3 Qa5 21. Qxa5 Bxa5 22. Ba3 e3 {[#]} 23. fxe3 $1 Ne4 $2 (23... Bb6 $16) 24. Ne6 $18 Bxe6 25. dxe6 {Black must now prevent Rxf8+.} ({Not} 25. Bxe6 Bb6 $16) 25... Rxf1+ 26. Rxf1 ({Resist} 26. Bxf1 $6 Rxe6 27. Bc4 Re8 $16) 26... Kg8 27. Bf5 Nd2 28. Rf4 Bb6 29. Kf2 g6 30. Bh3 g5 31. Rg4 Rxe6 32. Rxg5+ Rg6 33. Rxg6+ hxg6 {[%mdl 4096] Endgame KBB-KBN} 34. Be6+ Kg7 (34... Kh7 $142 35. Bd5 Nb1) 35. Bb2+ {White is clearly winning.} Kh6 36. Bd5 Bc5 37. Ke2 Nb1 38. Bxb7 Na3 39. Kd3 Nb5 40. Bd5 Kg5 41. Bf3 Kf5 42. h4 Nc7 43. g4+ {[%cal Bg3g4,Bg4h5,Bh5h6][%mdl 32]} Ke6 44. h5 gxh5 45. gxh5 Kf5 46. Bg7 Ne8 47. h6 Kg6 48. Be4+ Kf7 49. Bc3 {And now h7 would win.} d5 50. Bxd5+ Kg6 {[#]} 51. Bf7+ $1 {[%mdl 512] Precision: White = 87%, Black = 38%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Leenhouts, Koen"]
[Black "Vaishali R"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2475"]
[BlackElo "2294"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,106,41,26,69,-34,-50,-45,-39,-47,-29,-24,-46,-39,-47,-42,-37,-42,-27,-62,19,-51,0,-8,-29,0,-19,-37,-41,-47,-40,-48,-37,-72,-19,-56,-49,-58,0,0,12,0,-9,0,-9,-4,27,20,37,0,32,32,46,36,72,77,131,128,204,203,191,190,193,189,300,288,336,290,806,781,805,863,1047,1025,897,818,812,794,905,784,1620,1231,1759,1814,5077,5072,29984,29984,29983,29984,29988]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 b5 6. e4 {A60: Benoni (Moderne Benoni-Verteidigung)} (6. Bg2 d6 7. Nf3 g6 8. O-O Bg7 9. e4 O-O 10. Re1 Re8 11. e5 dxe5 12. Nxe5 Bb7 13. Nc6 Rxe1+ 14. Qxe1 Qd7 15. Ne5 {0-1 (32) Li,C (2751)-Ivanchuk,V (2710) Huaian 2016}) 6... Nxe4 7. Qe2 Qe7 8. Bg2 Nd6 9. Be3 Na6 10. Nc3 {LiveBook: 22 Partien} g6 11. Nxb5 (11. a4 $1 $14) 11... Nxb5 $15 12. d6 Nxd6 13. Bxa8 Nb4 $146 ({Vorgänger:} 13... Nc7) 14. Bg5 Qe6 $1 15. Bf6 Rg8 $1 {Und ...Sc2+ würde nun gewinnen.} 16. Qxe6+ $1 fxe6 17. Kf1 g5 {[%mdl 1024] Schwarz hat Kompensation.} 18. Nf3 g4 (18... Ba6+ $15 19. Kg2 g4) 19. Ne5 (19. Nd2 $1 $11) 19... Ba6+ 20. Kg1 $1 $132 {[%mdl 2048] Weiss is not keeping still} Be7 21. Bxe7 Kxe7 22. Bg2 Rg5 $1 {[%cal Rg5e5]} 23. f4 gxf3 $1 24. Nxf3 Rf5 25. Ne1 Nd5 ({Günstiger ist} 25... Rf8 $17) 26. h4 Ne3 27. Bh3 Rd5 (27... Rf7 $15 28. Rh2 Rg7) 28. Rh2 $11 Ne4 29. Nc2 Nxc2 30. Rxc2 Nxg3 31. Re1 Nh5 32. Bg2 Rf5 33. Rf2 Rxf2 34. Kxf2 {[%mdl 4096] Endspiel KTL-KLS} Nf4 {Droht stark ...Sd3+.} 35. Be4 h5 {[#]} 36. Re3 $1 d5 (36... Bb5 $142) 37. Ra3 $16 {Droht Ke3 und aus.} Bc8 (37... Bc4 $16) 38. Rxa7+ $18 Kd6 39. Bc2 e5 {[#]} 40. a4 $1 {[%cal Ba2a4,Ba4a5][%mdl 32]} e4 (40... Kc6 $142 41. b3 Kb6) 41. a5 Ne6 42. Rh7 Ke5 $2 (42... Nf4 43. Rh8 Kc7) 43. Rxh5+ Kd4 44. Rh8 e3+ 45. Ke1 Ba6 46. Rh6 Ke5 47. Rh5+ Kd6 48. Bf5 Nf4 49. Rh6+ Ke5 50. Rxa6 Kxf5 51. Ra8 d4 52. Rf8+ Ke5 {[#]} 53. Rxf4 $1 {[%mdl 512]} Kd5 {Precision: Weiß = 65%, Schwarz = 22%.} (53... Kxf4 54. a6) 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Pultinevicius, Paulius"]
[Black "Rogule, Laura"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2452"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,71,42,32,49,41,54,36,35,58,86,65,48,51,35,33,18,0,0,10,4,0,0,0,103,47,54,9,9,-33,-16,-16,-16,-16,-16,-16,-16,-34,-35,-37,-39,-49,-42,-214,-212,-202,0,-62,0,-201,0,-77,0,-138]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. cxd5 exd5 9. Bd3 Nc6 10. O-O a6 11. Rc1 {LiveBook: 3 Games. D35: Queen's Gambit Declined: Exchange Variation} h6 12. h3 Be6 $146 ({Predecessor:} 12... Ba7 13. Ne2 Ne4 14. Bb1 Re8 15. Ned4 Bd7 16. Nxc6 Bxc6 17. Nd4 Bd7 {0-1 (34) Ushakova,I (2167)-Alavkin,A (2454) Samara 2010}) 13. Na4 {White is slightly better.} Ba7 14. Bxa6 Bxe3 15. Bxe3 Rxa6 16. Nc5 Rxa2 17. Qb3 Ra8 18. Nxe6 fxe6 19. Qxb7 Na5 $1 {[%cal Ra5b7]} 20. Qb4 Rb8 21. Qe1 {Bf4 is the strong threat.} Nc4 {[#]} (21... Re8 $11) 22. Bd4 (22. Ba7 $1 $16) 22... Qe8 23. b4 Nd7 {[%cal Bf6d7,Bd7e5,Be5f3][%mdl 32]} 24. Bc3 {[#]} Rxf3 $1 {[%mdl 512]} 25. gxf3 Qg6+ 26. Kh2 {Threatens to win with Rg1.} Qf5 {White must now prevent ...Nde5.} 27. Rg1 Nde5 28. Rg3 {Hoping for Bxe5.} Nxf3+ 29. Rxf3 Qxf3 30. Qxe6+ Kh7 31. Rc2 $2 {[#]} (31. Qg4 $15 Qxf2+ 32. Qg2) 31... Qf4+ $1 $19 32. Kh1 Qf3+ ({Black should try} 32... Rb6 $19 33. Qg4 (33. Qxd5 $2 Rd6 $19) 33... Qf7) 33. Kh2 $15 Qf4+ (33... h5 $15 34. Qd7 Rg8) 34. Kh1 $1 $19 Qf3+ (34... Rb6 $19 {is more deadly.} 35. Qg4 (35. Qxd5 $2 Rd6 $19) 35... Qf8) 35. Kh2 $17 Qf4+ ({Better is} 35... Rb6 36. Qg4 Qf7) 36. Kh1 $1 {Precision: White = 35%, Black = 45%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Cruz Lledo, Pablo"]
[Black "Hjelmaas, Lars"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2432"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,112,13,14,19,0,0,2,4,-2,-12,-77,-62,-81,-83,-237,-191,-210,-194,-218,-222,-208,-216,-323,-301,-299,-290,-357,-366,-358,-353,-327,-257,-263,-211,-211,-211,-212,-181,-191,-188,-198,-199,-203,-188,-186,-166,-215,-195,-212,-191,-200,-193,-221,-221,-212,-212,-239,-237,-315,-315,-305,-298,-579,-576,-555,-541,-451,-509,-487,-189,-734,-710,-685,-670,-2084,-2045,-29973,-29974,-29968,-3154,-29977,-29978,-29978,-29979,-29978,-29979,-29982,-29983,-29982,-29972,-29972,-29976,-29980,-29981,-29987,-29988,-29988,-29980]} 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3 Nf6 5. O-O O-O 6. Nf4 c6 {A81: Dutch Defence: 2 g3} 7. c4 d6 8. d5 e5 9. dxe6 {LiveBook: 10 Games} Re8 10. Qb3 $146 ({Predecessor:} 10. Nc3 Na6 11. Be3 Bxe6 12. Nxe6 Rxe6 13. Qd2 Qe7 14. Rad1 Rxe3 15. Qxe3 Qxe3 16. fxe3 {1-0 (35) Fernandes,A (2463)-Fathallah,J (2003) Lisbon 2017}) 10... Na6 11. Nc3 Nc5 12. Qa3 g5 13. Nh3 {[#]} (13. Nd3 $11) 13... h6 $1 $17 (13... Bxe6 $6 14. Bxg5 Bxc4 15. Rad1 $11) 14. Be3 Bxe6 15. f3 $2 (15. Rad1 $17 Qe7 16. b3) 15... Bxc4 16. Bxc5 dxc5 17. Qxc5 Qb6 18. Qxb6 axb6 19. Rfe1 (19. f4 $142) 19... Nd5 $19 20. Nxd5 Bxd5 21. e4 fxe4 ({But not} 21... Bxa2 22. exf5 Rxe1+ 23. Rxe1 $19) ({And not} 21... Bxb2 22. exd5 Bd4+ 23. Kf1 $11) 22. fxe4 Bxa2 23. Rad1 Rad8 24. Nf2 Bb3 ({Stronger than} 24... Bxb2 25. Rxd8 Rxd8 26. Re2 $14) 25. Rxd8 Rxd8 26. e5 Re8 27. Nd3 Bc4 28. Bf1 b5 29. Kf2 Kf7 30. h4 g4 31. Be2 Re7 32. h5 Bxd3 33. Bxd3 Bxe5 {[%mdl 4096] Endgame KRB-KRB} 34. Re4 Bxb2 35. Rxg4 Bc1 36. Rg6 Ke8 37. Bf5 Kd8 38. Be6 Kc7 39. Kf3 $2 (39. Rf6) 39... b4 40. Ke4 Kd6 41. Kf5 Kc5 42. Bg8 Kd4 $2 (42... Re8 {And now ...Rxg8! would win.} 43. Ba2 Ra8) 43. g4 $2 (43. Rg4+ Kd3 44. Kf6) 43... Kc3 44. Kf6 Rc7 45. g5 Bxg5+ 46. Rxg5 hxg5 {KR-KB} 47. h6 b3 (47... g4 $142 48. Bf7 Rc8 49. Be6 g3 50. Bxc8 g2 51. h7 g1=Q 52. Kf7 Qd4 53. Be6 Qh8 54. Kg6 b3 55. Bf5 b2 56. Bb1 Kb3 57. Bf5 Qe5 58. Bb1 c5 59. Kf7 c4 60. Bg6 c3 61. Kg8 Qg5 62. Kf7 Qxg6+ 63. Kxg6 b1=Q+ 64. Kg7 Qg1+ 65. Kh8 Qd4+ 66. Kg8 Qd8+ 67. Kg7 Qd7+ 68. Kg6 Qe6+ 69. Kg7 c2 70. h8=R c1=Q 71. Rh3+ Qxh3 72. Kf6 Qc6+ 73. Ke7 Qh7+ 74. Kf8 Qc8#) 48. Bf7 b2 {Black mates.} 49. h7 b1=Q 50. h8=Q {KQR-KQB} Kb4 51. Qf8+ c5 52. Be6 Qb2+ 53. Kg6 Qe5 54. Bf5 {[#]} g4 $1 55. Bxg4 Rc6+ 56. Kh7 Qg5 {Precision: White = 33%, Black = 69%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Zatonskih, Anna"]
[Black "Lobanov, Sergei"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2431"]
[BlackElo "2531"]
[Annotator "TA RC"]
[PlyCount "106"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,106,-42,-11,-17,-13,-15,-83,-77,-79,-77,-131,-133,-97,-50,-67,-30,-33,-14,-14,-4,-26,0,0,0,0,0,-11,0,-14,-11,-11,-11,-31,-11,-9,-8,-10,-13,-18,-11,-19,-18,-24,-12,-12,-8,-39,-45,-56,-56,-129,-114,-180,-185,-177,-168,-301,-278,-272,-271,-264,-242,-283,-283,-339,-339,-299,-287,-263,-160,-29974,-29975,-29972,-29973,-29980,-29977,-29979,-29980,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29982,-29982,-29981,-29981,-29975]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+ Nbd7 7. Nf5 d5 8. exd5 a6 9. Ba4 b5 10. Bb3 {LiveBook: 116 Games} a5 {[%cal Ba6a5,Ba5a4][%mdl 32] And now ...Nb6 would win. B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3} (10... Nc5 11. Ne3 Nxb3 12. axb3 Bc5 13. c4 Nh5 14. g3 f5 15. Nc3 O-O 16. Nc2 f4 17. Ne4 Ba7 18. Nb4 {0-1 (40) Yemelin,V (2568)-Volokitin,A (2686) Brasov 2011}) 11. c3 Nb6 12. Ne3 (12. Bc2 $11 {keeps the balance.}) 12... a4 $17 {Black is better.} 13. Bc2 {[#]} Bc5 $1 ({But not} 13... Nfxd5 14. Qe2 $11) 14. Qd3 $146 {[#]} ({Better is} 14. Na3) ({Predecessor:} 14. Qe2 Ba6 15. Bd3 Qd7 16. Nd2 Nbxd5 17. Ne4 Bb6 18. Nxf6+ Nxf6 {½-½ (41) Bednay,D (2225)-Bonn,U Budapest 2005}) 14... O-O $1 15. Nd2 (15. Qxb5 Bxe3 16. Bxe3 Nbxd5 $17) 15... Bxe3 ({Much weaker is} 15... Nbxd5 $6 16. Ne4 $11) 16. Ne4 {Nxf6+ would kill now.} Nxe4 17. Qxe4 {[%csl Gc2][%cal Re4h7]} f5 18. Qxe3 Nxd5 19. Qc5 Qh4+ 20. g3 Qc4 21. Qxc4 bxc4 22. O-O Kf7 23. Re1 Kf6 24. Bd2 Be6 25. b3 (25. b4 {with more complications.} axb3 26. axb3 h6 27. Reb1 Rxa1 28. Rxa1 cxb3 29. Bxb3 Rd8 30. Ra7) 25... axb3 26. axb3 cxb3 27. Rxa8 Rxa8 28. Bxb3 Nb6 29. Be3 {Threatens to win with Bxe6.} Nd7 30. Bc2 Rc8 31. Ba4 Nc5 32. Bb5 Nb3 33. f4 e4 34. Bc1 (34. Ba4 $15) 34... Bc4 35. Ba4 (35. Bxc4 $17 {keeps fighting.} Rxc4 36. Ba3) 35... Nxc1 $19 36. Rxc1 {[%mdl 4096] Endgame KRB-KRB} Ra8 37. Bc2 (37. Bd1 $142) 37... Ra2 38. Bd1 g5 39. fxg5+ Kxg5 40. h4+ Kf6 41. Bh5 Ke5 42. Re1 f4 43. gxf4+ Kxf4 {aiming for ...e3.} 44. Be8 $2 (44. Bf7 $17 Ra4 45. Rd1) 44... Be2 {Black mates.} 45. Bf7 Rb2 46. Bg8 h6 47. Bd5 Bf3 48. c4 Rg2+ 49. Kf1 Rh2 50. Bxe4 Bxe4 51. Kg1 Rh1+ 52. Kf2 Rxe1 53. Kxe1 Ke5 {Precision: White = 50%, Black = 84%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Yankelevich, Lev"]
[Black "Arnold, Max"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2420"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,111,18,26,16,18,19,15,22,25,10,0,0,0,0,0,0,-12,-21,-16,-16,-28,-30,-54,-27,-44,-57,-31,-18,-9,-10,-14,-1,-13,-3,-7,23,0,0,0,7,10,48,37,40,38,36,36,54,10,0,2,80,80,77,75,72,12,168,110,168,141,168,121,121,121,154,123,114,121,121,85,147,136,86,0,119,85,127,80,127,109,134,134,183,128,193,145,258,148,156,155,1469,1436,1206,1187,1092,1060]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 dxc4 {E01: Catalan: Early deviations} (6... b6 7. O-O Bb7 8. b3 c5 9. Bb2 Nbd7 10. a3 Bxd2 11. Nxd2 cxd4 12. Bxd4 Rc8 13. b4 Qe7 14. Rc1 Rfd8 15. Qb3 dxc4 16. Nxc4 Bxg2 17. Kxg2 {0-1 (55) Ding,L (2777)-Carlsen,M (2837) Riadh 2017}) 7. a3 Bxd2+ 8. Bxd2 Nc6 9. e3 {LiveBook: 7 Games} b5 10. O-O Bb7 11. b3 Ne7 $146 ({Predecessor:} 11... Nb8 12. bxc4 bxc4 13. Qc2 Nbd7 14. Qxc4 {½-½ (43) Melkumyan,H (2642)-Martinovic,S (2565) Heraklio 2017}) 12. bxc4 bxc4 13. Qc2 a5 14. Rfe1 {[#]} c5 $1 {[%mdl 512]} 15. dxc5 Rc8 {aiming for ...Be4.} 16. Bc3 {And now Ng5 would win.} Be4 17. Qb2 Rxc5 {Threatening ...Ned5.} 18. Bxf6 gxf6 19. Qxf6 Ng6 (19... Nf5 $5 {[%cal Rd8f6]} 20. Qxd8 Rxd8 $15) 20. Qxd8 Rxd8 21. Nd4 Bxg2 22. Kxg2 e5 23. Nf3 f6 24. Rec1 Ne7 25. Rc2 Nd5 26. Rb1 c3 27. e4 Nc7 28. Rbc1 Rd3 29. Ne1 $36 {[%mdl 2048] White is pushing.} Rd4 30. Rxc3 Rxc3 31. Rxc3 $14 {[%mdl 4096] Endgame KRN-KRN} Nb5 32. Rb3 Nd6 33. f3 Nc4 (33... Rd2+ $11 34. Kg1 Ra2) 34. Rc3 $16 Kf7 35. Kh3 Nd2 36. Nc2 (36. Ng2 $16) 36... Ra4 $2 {[#]} (36... Rd7 $1 $11 {and Black has nothing to worry.}) 37. Kg2 (37. Rd3 $1 $18 {[%cal Rd3d2]} Nc4 38. Kg2) 37... Kg6 (37... Rc4 $16 {keeps fighting.} 38. Rxc4 Nxc4) 38. Kf2 Nb1 39. Rb3 Nd2 40. Rd3 Nc4 41. Ke2 f5 42. exf5+ Kxf5 43. Rc3 {Black must now prevent Rxc4!} Ke6 (43... Kf6 $142 44. h4 h5) 44. Kd3 Nb2+ 45. Ke2 Nc4 $1 46. Rb3 Kd6 47. h4 Ke6 48. g4 Nd6 49. Ne3 h5 50. Kf2 ({Better is} 50. Rb6 $18) 50... e4 (50... Kf7 $16 51. gxh5 Rxh4) 51. Rb6 $18 Kd7 (51... hxg4 $16 {was called for.} 52. fxg4 Ke5) 52. g5 (52. gxh5 $18 exf3 53. h6 (53. Kxf3 Rxa3 54. Kf4 Ra4+ 55. Kg5 Re4 $18)) 52... exf3 $16 53. g6 {[%cal Bg5g6,Bg6g7][%mdl 32]} Re4 $2 (53... Ne8 $16 54. Rb7+ (54. Kxf3 Rxh4 55. g7 Nxg7 $18) 54... Kd8) 54. g7 $18 {White is clearly winning.} Re8 55. Nd5 {Threatens to win with Nf6+.} Ne4+ 56. Kxf3 {Precision: White = 65%, Black = 42%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Ruiz Castillo, Joshua Daniel"]
[Black "Severina, Maria"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2415"]
[BlackElo "2242"]
[Annotator "NA RC"]
[PlyCount "145"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 {[%emt 0:03:20]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:02]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:32]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 5. O-O {[%emt 0:00:50]} Be7 {[%emt 0:00:06]} 6. Re1 {[%emt 0:00:06]} b5 {[%emt 0:00:07]} 7. Bb3 {[%emt 0:00:04]} d6 {[%emt 0:00:02]} 8. c3 {[%emt 0:00:09]} O-O {[%emt 0:00:07]} 9. h3 {[%emt 0:00:03]} Nb8 {[%emt 0:00:14]} 10. d4 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:18]} 11. Nbd2 {[%emt 0:00:09]} Bb7 {[%emt 0:00:10]} 12. Bc2 {[%emt 0:00:05]} Re8 {[%emt 0:00:08]} 13. Nf1 {[%emt 0:00:07]} Bf8 14. Ng3 g6 {[%emt 0:00:09]} 15. a4 {[%emt 0:00:16]} Nb6 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 16. axb5 {[%emt 0:32:18]} axb5 {[%emt 0:00:16]} 17. Rxa8 {[%emt 0:03:42]} Qxa8 {[#]} 18. d5 $146 {[%emt 0:00:06]} ({Predecessor:} 18. Bg5 Bg7 19. dxe5 dxe5 20. Qc1 Nc4 21. Bh6 Nd6 22. Bxg7 Kxg7 23. Qe3 {½-½ (60) Amonatov,F (2636)-Sardana,R (2402) New Delhi 2018}) 18... c6 {[%emt 0:10:36]} 19. Bg5 Nfd7 {[%emt 0:02:47]} 20. dxc6 {[%emt 0:00:36]} Bxc6 {[%emt 0:00:05]} 21. h4 {[%emt 0:00:03]} d5 {[%emt 0:17:52]} 22. exd5 {[%emt 0:02:30]} Bxd5 {[%emt 0:06:55]} 23. h5 {[%emt 0:00:07]} e4 {[%emt 0:13:09]} 24. Nd4 {[%emt 0:03:13]} b4 {[%emt 0:02:42]} 25. hxg6 {[%emt 0:00:05]} hxg6 {[%emt 0:00:33]} 26. Qg4 {[%emt 0:01:04]} Bg7 {[%emt 0:13:55]} 27. Qh4 bxc3 {[%emt 0:04:43]} 28. bxc3 $11 {[%emt 0:04:22]} Qa5 {[%emt 0:03:33]} 29. Nge2 {[%emt 0:01:58]} Bxd4 {[%emt 0:10:13]} 30. Nxd4 {[%emt 0:00:08]} Qxc3 {[%emt 0:00:06]} 31. Rd1 {[%emt 0:00:02]} Ra8 {[%emt 0:00:44]} 32. Kh2 {[%emt 0:03:40]} Ra1 {[%emt 0:05:36]} 33. Rxa1 {[%emt 0:00:05]} Qxa1 {[%emt 0:00:04]} 34. Be3 {[%emt 0:00:03]} Qa8 {[%emt 0:00:47]} 35. Ne2 {[%emt 0:00:07]} Kg7 {[%emt 0:06:19]} 36. Qh6+ {[%emt 0:00:55]} Kf6 {[%emt 0:00:37]} 37. Bd4+ {[%emt 0:06:34]} Ke7 {[%emt 0:00:50]} 38. Nc3 {[%emt 0:09:55]} Qc6 {[%emt 0:00:12]} 39. Qe3 {[%emt 0:00:09]} Qe6 {[%emt 0:01:01]} 40. Bxb6 {[%emt 0:00:18]} Nxb6 {[%emt 0:00:21]} 41. g3 {[%emt 0:00:50]} Nd7 {[%emt 0:00:35]} 42. Ba4 {[%emt 0:00:58]} Bc6 {[%emt 0:00:30]} 43. Bxc6 {[%emt 0:00:06]} Qxc6 {[%emt 0:00:04]} 44. Nxe4 {[%emt 0:00:04]} Qe6 {[%emt 0:01:00]} 45. Qa3+ {[%emt 0:00:10]} Kd8 {[%emt 0:00:25]} 46. Nd6 {[%emt 0:00:15]} Qd5 {[%emt 0:00:26]} 47. Qb4 {[%emt 0:00:17]} Qh5+ {[%emt 0:00:24]} 48. Kg2 {[%emt 0:00:13]} Qd5+ {[%emt 0:00:21]} 49. f3 {[%emt 0:00:07]} f5 {[%emt 0:00:42]} 50. Qh4+ {[%emt 0:00:14]} Kc7 {[%emt 0:00:14]} 51. Ne8+ {[%emt 0:00:06]} Kc8 {[%emt 0:00:59]} 52. Qb4 {[%emt 0:05:13]} Qc5 {[%emt 0:00:31]} 53. Qd2 {[%emt 0:00:51]} Qe5 {[%emt 0:00:30]} 54. Nd6+ {[%emt 0:00:11]} Kc7 {[%emt 0:00:05]} 55. Nf7 {[%emt 0:00:32]} Qc5 {[%emt 0:00:49]} 56. Ng5 {[%emt 0:00:07]} Qc6 {[%emt 0:00:26]} 57. Qe2 {[%emt 0:02:49]} Qd5 {[%emt 0:00:38]} 58. Ne6+ {[%emt 0:00:07]} Kd6 {[%emt 0:00:26]} 59. Nf4 {[%emt 0:00:06]} Qc5 {[%emt 0:00:37]} 60. Nxg6 {[%emt 0:00:49]} Qd5 {[%emt 0:00:24]} 61. Nf4 {[%emt 0:00:15]} Qb3 {[%emt 0:00:30]} 62. Qd2+ {[%emt 0:00:26]} Ke7 {[%emt 0:00:21]} 63. Ng6+ {[%emt 0:00:46]} Ke6 {[%emt 0:00:19]} 64. Nf4+ {[%emt 0:01:59]} Ke7 {[%emt 0:00:05]} 65. Ne2 {[%emt 0:00:27]} Nf6 {[%emt 0:01:14]} 66. Nd4 {[%emt 0:00:17]} Qd5 {[%emt 0:00:27]} 67. Qf4 {[%emt 0:00:35]} Qa2+ {[%emt 0:00:11]} 68. Kh3 {[%emt 0:00:07]} Qb1 {[%emt 0:00:34]} 69. Nxf5+ {[%emt 0:04:12]} Kf7 {[%emt 0:00:05]} 70. Qc4+ {[%emt 0:00:13]} Kf8 {[%emt 0:01:16]} 71. Qc5+ {[%emt 0:00:19]} Kf7 {[%emt 0:00:14]} 72. Qe7+ {[%emt 0:00:41]} Kg6 {[%emt 0:00:14]} 73. Nh4+ {[%emt 0:00:07]} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Bernotas, Arturs"]
[Black "Gorodetzky, Matan"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2406"]
[BlackElo "2231"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,57,14,18,14,20,-11,-15,-14,-15,-12,-18,-12,-14,-22,0,0,0,-18,-11,-12,8,0,8,0,0,0,0,0,56,73,154,156,161,160,621,614,741,741,29996,29997]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 a6 5. exd5 exd5 6. Be2 Nc6 7. O-O Nf6 {C08: French Tarrasch: 3...c5 4 exd5 exd5 sidelines} (7... Bd6 8. dxc5 Bxc5 9. Nb3 Bb6 10. c4 Nge7 11. c5 Bc7 12. Bd3 h6 13. h3 O-O 14. Re1 Bf5 15. Nfd4 Be4 {½-½ (55) Mamedov,R (2688)-Nyzhnyk,I (2613) chess.com INT 2017}) 8. Re1 Be6 9. dxc5 Bxc5 10. Nb3 Bb6 {LiveBook: 4 Games} 11. Nbd4 O-O 12. Bg5 h6 {[#] Strongly threatening ...Nxd4.} 13. Bh4 g5 14. Bg3 Ne4 $146 15. c3 Qf6 16. Bd3 Nxg3 17. hxg3 Bg4 {[%cal Rb6d4]} 18. Qa4 Bd7 19. Nxc6 Bxc6 20. Qb4 Ba7 21. Re2 a5 22. Qg4 Rad8 23. Rae1 $40 {[%mdl 128] Black needs to defend precisely.} d4 (23... Bd7 $11 24. Qh5 Rde8) 24. c4 $14 Qg7 ({Black should try} 24... Rfe8) 25. Qf5 $16 Bb6 26. Ne5 {[%cal Bf3e5,Be5g4,Bg4f6][%mdl 32]} Be8 $2 (26... Bc7 $16 27. Nxc6 bxc6) 27. Ng4 $18 Bc6 28. Re7 {[#] R1e6! is the strong threat.} Qg6 29. Nf6+ {Precision: White = 68%, Black = 53%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Gokerkan, Cem Kaan"]
[Black "Valner, Uku"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2404"]
[BlackElo "2227"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,125,0,0,0,-30,-27,-38,-38,-34,-31,-58,-35,-45,-18,-14,-18,-18,-11,-18,-12,-19,0,0,0,0,15,13,18,18,18,17,24,27,30,20,12,0,0,-20,-20,-68,-20,-20,0,-39,31,0,31,17,31,31,58,31,35,31,91,89,101,93,133,109,109,91,174,175,152,144,265,258,264,264,264,264,264,264,229,189,190,193,197,180,264,186,137,137,130,130,130,0,129,130,140,114,124,124,124,124,29950,7057,5514,2413,29953,29947,5629,5629,5629,5210,5206,5206]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nf6 6. Bd3 e5 7. N4f3 dxe4 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} 8. Nxe4 Nxe4 9. Bxe4 Qxd1+ 10. Kxd1 {LiveBook: 3 Games} Nd7 11. Re1 f6 12. Bd5 $146 ({Predecessor:} 12. Bf5 Nb6 13. Bxc8 Rxc8 14. a4 Kf7 15. a5 {0-1 (47) Hausner,I (2335)-Buhmann,R (2601) Austria 2015}) 12... Nb6 13. Bb3 Bd7 14. Be3 O-O-O 15. Ke2 Bb4 (15... Kb8 $5 {[%cal Rd7b5]} 16. Kf1 Na4 $15) 16. Red1 Kb8 17. c3 Be7 18. Bxb6 axb6 19. Rd5 Kc7 20. Rad1 g5 21. Ne1 h5 22. Nc2 Bc6 23. Rxd8 Rxd8 24. Rxd8 Bxd8 $11 {[%mdl 4096] Endgame KBB-KBN} 25. Ne3 Kd6 26. Bf7 h4 27. g4 b5 28. Nf5+ Kd7 29. Bb3 Bc7 30. Bc2 Bd5 31. a3 Be6 (31... e4 $15 32. h3 Ke6) 32. Ne3 Kd6 33. Be4 b6 34. h3 Bd8 35. Bd3 Kc6 36. Bf5 Bd5 (36... Bf7 $14) 37. Bd7+ Kd6 38. Bxb5 e4 39. Nxd5 Kxd5 $16 {KB-KB} 40. Ke3 Bc7 (40... Be7 $16 {was necessary.}) 41. c4+ $18 Ke5 42. Bc6 f5 (42... Ke6 $16 43. Kxe4 Be5) 43. gxf5 Kxf5 {intending ...Bf4+.} 44. Bxe4+ Ke6 45. Bd5+ Kd7 46. Kd4 Bf4 47. Kc3 Be5+ 48. Kc2 Kc7 49. b4 Bd4 (49... Kd6 $142 50. Kd3 Bf6) 50. Kb3 Kd6 51. f3 Be3 52. Ka4 {Strongly threatening Kb5.} Bc1 53. Kb3 Be3 $1 54. Ba8 Bf4 55. a4 Bd2 56. a5 bxa5 57. c5+ Ke5 $2 {[%mdl 8192] [#]} (57... Ke7 $16) 58. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Be3 59. Kc4 Ke6 60. b6 a4 61. Bd5+ {White is clearly winning.} Ke7 62. Kb5 Kd8 63. c6 {Precision: White = 70%, Black = 38%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Lagunow, Raphael"]
[Black "Manafov, Vugar Gulam"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2404"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,65,22,45,37,39,30,42,32,57,39,72,35,158,141,156,114,181,71,80,72,74,75,71,0,0,0,0,-285,0,-24,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6][%mdl 32]} 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be3 O-O 10. Be2 f6 11. exf6 Bxf6 12. O-O Nc6 13. Qd2 Qe8 {LiveBook: 4 Games} 14. Rad1 {B03: Alekhine's Defence: Four Pawns Attack} Rd8 15. Qc1 (15. Qe1 Rd7 16. Qg3 Qg6 17. Qxg6 Bxg6 18. Rd2 Rfd8 19. Rfd1 h6 20. h3 Na5 21. b3 Nc6 {½-½ (53) Dominguez Perez,L (2734)-Vitiugov,N (2691) St Petersburg 2012}) 15... Qg6 16. b3 $146 {White is slightly better.} ({Predecessor:} 16. Kh1 Rd7 17. d5 Bxc3 18. bxc3 exd5 19. Bxb6 axb6 20. cxd5 Re7 21. Bc4 Re4 {1-0 (39) Savoskin,V (1804)-Gritsuk,V (1683) Voronezh 2016}) 16... Kh8 17. Kh1 Rfe8 18. h3 e5 ({Black should play} 18... Nc8 $1 $14) 19. d5 $1 $16 {[%cal Rd5c6]} Nb4 20. g4 Bc2 {[#]} (20... Bd3 $16) 21. Rd2 (21. g5 $1 $18 {and the rest is easy. Black must now prevent Nh4.} Bxd1 22. Qxd1) 21... e4 22. Nd4 Bd3 23. Ne6 Bxc3 24. Nf4 ({Don't play} 24. Qxc3 N6xd5 25. cxd5 Nxd5 $11) (24. Nxd8 $16 Bxd2 25. Qxd2 Rxd8 26. Qxb4) 24... Qf6 {And now ...Qe5 would win.} 25. Nxd3 Qh4 26. Nf2 $2 {[%mdl 8192] [#]} (26. Nf4 $11 {and White has nothing to worry.} Bxd2 27. Bxd2) 26... Bxd2 $2 (26... Be5 $1 $19 {( -> ...Qg3)} 27. Rg1 Rf8) 27. Qxd2 $11 Nd3 28. Bxd3 {The position is equal.} exd3 29. Bg5 Qg3 {Threatens to win with ...Qf3+.} 30. Bxd8 {Hoping for Bg5.} Qf3+ 31. Kg1 Qg3+ 32. Kh1 {Strongly threatening Bg5.} Qf3+ 33. Kg1 {Precision: White = 55%, Black = 41%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Pershin, Denis"]
[Black "Holland, James P"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2403"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,65,25,13,17,6,37,11,54,36,63,44,133,101,152,137,133,120,146,122,129,125,119,84,123,78,202,197,197,197,308,283,300,296,340,370,346,361,386,377,755,755,1113,1081,1006,910,5887,5887,2720,754,754,754,736,681,564,504]} 1. d4 Nf6 2. Bf4 d5 3. e3 g6 4. Nc3 Bg7 5. h4 c5 6. Nb5 {D00: 1 d4 d5: Unusual lines} Na6 7. c3 {LiveBook: 13 Games} Bg4 8. Be2 {The position is equal.} h5 $146 ({Predecessor:} 8... Bxe2 9. Nxe2 O-O 10. Be5 h5 11. Nf4 {½-½ (47) Karjakin,S (2762)-Safarli,E (2657) Berlin 2015}) 9. Nf3 Bxf3 10. Bxf3 Qb6 11. a4 Rc8 (11... O-O $14) 12. Qe2 c4 (12... Ra8 $142) 13. b3 cxb3 14. O-O O-O 15. Rfb1 Qa5 16. Rxb3 Nb8 17. Qb2 Nbd7 18. Rb4 Ne4 (18... Rc6 $16) 19. Bxe4 dxe4 {[#]} 20. Nxa7 $1 {[%mdl 512]} Qxa7 (20... Ra8 {might work better.}) 21. Rxb7 $18 Qa5 {And now ...e5 would win.} 22. Rxd7 e5 23. Bxe5 Bxe5 24. dxe5 Qxe5 25. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Rxc3 $2 (25... Qe6) 26. a6 {White is clearly winning.} Qf5 27. Rb7 Rcc8 28. a7 Ra8 29. Rb8 Qd5 30. Qb7 (30. Rb1 $142 Qd3 31. Qe5 Qxb1+ 32. Rxb1 Rxa7 33. g4) 30... Qxb7 31. Rxb7 Kg7 32. Ra4 Rfe8 33. Rd4 {Precision: White = 54%, Black = 17%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Martin, Julian"]
[Black "Martinkus, Rolandas"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2392"]
[BlackElo "2150"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,75,33,33,35,36,31,70,72,63,62,91,90,93,75,92,91,111,111,117,116,116,114,137,126,157,164,196,170,189,160,154,134,183,183,220,202,199,208,253,237,230,234,228,221,228,216,251,276,261,262,258,274,428,412,415,415]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. O-O Nf6 5. d3 O-O 6. Re1 d6 7. a4 h6 8. a5 {C55: Zweispringerspiel} (8. c3 a6 9. Nbd2 Be6 10. Qc2 Qd7 11. b4 Nh7 12. Bxe6 fxe6 13. Bb2 b6 14. b5 axb5 15. axb5 Na5 16. c4 {½-½ (54) So,W (2812)-Ivanchuk,V (2738) Leuven 2017}) 8... a6 9. c3 Nh7 10. Nbd2 Ng5 11. d4 Bf6 {[%cal Re5d4] LiveBook: 3 Partien} 12. d5 Ne7 13. Bf1 $146 ({Vorgänger:} 13. Nf1 Ng6 14. Bxg5 Bxg5 15. Ng3 Bg4 16. h3 Bd7 17. Nxg5 Qxg5 {1-0 (42) Chigaev,M (2551)-Musalov,R (2332) Sochi 2016}) 13... g6 14. c4 Nxf3+ 15. Nxf3 Kg7 16. b4 Ng8 17. Bb2 Bg5 18. Ra3 Bg4 19. h3 Bxf3 20. Rxf3 h5 21. c5 Nh6 22. Qc2 Qb8 23. Rb3 Qa7 24. g3 Be7 25. f4 f6 26. Rc3 Nf7 27. Bc1 {[%cal Bb2c1,Bc1e3,Be3c5][%mdl 32]} c6 28. Be3 {[#] zielt auf cxd6 ab.} Qb8 29. Rb1 Rd8 30. Bc4 Qc7 31. dxc6 bxc6 {Schwarz will ...d5 spielen.} 32. cxd6 Rxd6 33. Bc5 exf4 34. Bxf7 ({Finger weg von} 34. gxf4 $6 Rdd8 $18) 34... Kxf7 35. Bxd6 ({Nicht} 35. gxf4 Re6 $16) 35... Qxd6 36. Rxc6 Qd7 (36... Qd4+ {war nötig.} 37. Kg2 fxg3 38. Qc4+ (38. Kxg3 Qe5+ 39. Kf3 Bd6 $14) 38... Qxc4 39. Rxc4 h4) 37. gxf4 $18 Qxh3 38. Qb3+ {Precision: Weiß = 80%, Schwarz = 25%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Krupenski, Juri"]
[Black "Seyhanoglu, Deniz"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2390"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,49,12,31,0,25,25,19,12,16,21,37,41,301,304,304,292,337,99,74,0,306,298,303,302,275,277,479,462,712,586,939,630,29998,29999]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 b6 7. Bc4 Bb7 {B22: Sicilian: 2 c3} 8. Bxd5 Bxd5 9. Nc3 Bb7 {LiveBook: 3 Games. The position is equal.} 10. Ng5 f6 11. Nge4 d5 $146 ({Predecessor:} 11... f5 12. Bg5 Qc8 13. Qh5+ g6 14. Nf6+ Kf7 15. Qh3 {1-0 (49) Savchenko,B (2566)-Svidler,P (2765) Riadh 2017}) 12. exd6 $1 Bxd6 13. Qg4 Kf7 $1 14. O-O Re8 $2 {[%mdl 8192]} (14... Be7 $14) 15. Qh5+ $18 Kf8 16. Qxh7 Nc6 {[#]} 17. Nxf6 $2 (17. Bh6 $1 $18 {[%mdl 512] and White stays clearly on top.} gxh6 18. Qxh6+ Kf7 19. Qh7+ Kf8 20. Qxb7 Nxd4 21. Qh7) 17... Qxf6 $16 18. Ne4 $40 {[%cal Bc3e4,Be4f6,Bf6g4][%mdl 160] White mounts an attack.} Qe7 $2 {[%mdl 8192]} ({Don't go for} 18... Qxd4 $2 19. Be3 $18) (18... Qd8 $1 $11 {and Black has nothing to worry.}) 19. Bg5 $18 Qc7 {[#]} 20. Nf6 $1 {[%mdl 512] Hoping for Qg8+.} Kf7 {White must now prevent ...Rh8.} (20... gxf6 21. Bh6+) 21. Ng4 {White threatens Nh6+ and mate.} ({Stronger than} 21. Nxe8 Rxe8 22. d5 Nd4 $11) 21... Rf8 $2 {[#]} (21... Re7 {might work better.} 22. Rfe1 Kf8) 22. d5 $1 {[%mdl 512]} exd5 (22... Bxh2+ $142 23. Nxh2 Qe5) 23. Rfe1 {[%csl Gg5,Gh7][%cal Rg4h6]} Ne5 24. Rac1 Nxg4 25. Rxc7+ {Precision: White = 68%, Black = 21%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Gorbatov, Alexej"]
[Black "Luessmann, Thomas"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2389"]
[BlackElo "2061"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,67,51,48,45,54,58,21,47,19,22,2,25,12,38,33,138,152,205,202,222,222,577,604,558,531,1047,574,1043,318,279,282,309,291,298,293,259,237,768,768,768,768,768,768,768,768,907,768,952,845,812,702,29993,29994,29998,29999]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. c4 Bc6 6. Nc3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} Nf6 7. Be3 (7. Nf3 Bb4 8. Be2 O-O 9. a3 Bxc3+ 10. bxc3 Nbd7 11. Bf4 h6 12. O-O Re8 13. h3 {1-0 (69) Onischuk,V (2612)-Kovalenko,I (2700) Bastia 2015}) 7... Be7 8. Nf3 {LiveBook: 6 Games. White is slightly better.} b6 9. Ne5 Bb7 10. Qa4+ $146 (10. Be2 {feels hotter.} Qc8 11. Bf3 Nfd7 12. Nd3 O-O 13. O-O) ({Predecessor:} 10. Be2 O-O 11. Bf3 Bxf3 12. Qxf3 c6 13. O-O {½-½ (75) Svoboda,V (2266)-Pokrupa,M (2199) Czechia 2010}) 10... c6 11. O-O-O O-O 12. Bd3 Qc8 13. Qc2 Na6 14. a3 Rd8 (14... b5 $14) 15. Rhe1 $16 c5 (15... b5 $16 {might work better.}) 16. d5 $1 $18 Nc7 {[%cal Re6d5]} 17. Bg5 Nfxd5 $2 (17... exd5 {is more resistant.} 18. Bxf6 Bxf6) 18. Bxh7+ Kf8 19. Nxf7 Kxf7 20. Qg6+ Kf8 {[#] Threatens to win with ...Nf6.} 21. cxd5 $2 (21. Bh6 {[%csl Gg6][%cal Rh6g7]} Ne8 22. Rxe6 Qxe6 23. Qxe6) 21... Bxg5+ 22. Qxg5 Nxd5 23. Nxd5 Rxd5 24. Qf4+ Ke7 25. Bg6 $40 {[%mdl 128] Black is in trouble.} Qf8 $2 (25... Rb8 26. Qf7+ Kd6 27. Qf4+ Ke7) 26. Qc7+ Kf6 27. Qxb7 {[#] White threatens Rxe6+! and mate.} Rxd1+ 28. Rxd1 Kxg6 {[%mdl 4096] Endgame KQR-KQR} 29. Qe4+ Kg5 30. Qe5+ Kg6 31. Rd3 Re8 32. Rf3 Qe7 33. Qe4+ Kg5 34. Rg3+ {Precision: White = 73%, Black = 42%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Jackson, James P"]
[Black "Jazdanovs, Aleksandrs"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2380"]
[BlackElo "2042"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,66,0,2,2,16,14,21,21,33,29,33,0,61,-19,-34,-34,-39,-45,-37,-166,-172,-191,-176,-188,-127,-221,-220,-212,-208,-270,-271,-270,-262,-395,-396,-390,-370,-475,-475,-488,-482,-688,-686,-938,-921,-2487,-1807]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sizilianisch (Najdorf-Variante, Abweichungen)} (7... b5 8. Ng3 Qc7 9. Bd3 g6 10. O-O Bg7 11. Bd2 O-O 12. a4 b4 13. Na2 a5 14. c3 bxc3 15. Nxc3 Be6 {½-½ (40) Svidler,P (2760)-Khismatullin,D (2632) Sochi 2018}) 8. Bg5 Be6 9. Bxf6 Qxf6 10. Nd5 Qd8 11. Qd3 Nd7 {LiveBook: 32 Partien} 12. Nec3 Rc8 13. O-O-O g6 14. Kb1 Bh6 15. g3 Nc5 $146 16. Qf3 O-O (16... b5 $11) 17. Bc4 (17. h4 $1 $14) 17... b5 18. Bb3 Rb8 19. Qe2 Bd7 $36 {[%mdl 2048] Und weiter mit ...b4 wäre nett. Schwarz hat Initiative.} 20. f4 ({Lieber} 20. Ne3 $1 $15) 20... b4 $19 21. Nxb4 Rxb4 22. Rxd6 Kh7 (22... exf4 23. Rxg6+ Bg7 24. gxf4 $11) (22... Bg7 $19 23. Rxg6 Nxb3 24. Rxg7+ Kxg7 25. axb3 Rh8) 23. Nd5 (23. Rhd1 $17) 23... Nxe4 ({Und nicht} 23... Rxe4 24. Qf2 $15) 24. Rxd7 Qxd7 25. Nxb4 {[#]} Nd2+ $1 26. Ka1 exf4 {[%cal Be5f4,Bf4g3][%mdl 32]} 27. Bd5 (27. g4 $142 Qb7 28. Bd5 Qxb4 29. c3) 27... a5 {[%cal Ba6a5,Ba5b4][%mdl 32]} (27... fxg3 $2 28. Qxa6 Rb8 29. Qc6 $19) 28. Qxd2 fxg3 ({Nicht} 28... axb4 29. g4 $17) 29. Qg2 {Droht stark Sd3.} axb4 {Schwarz steht klar auf Gewinn.} 30. Rd1 Qc7 31. Qe4 (31. Kb1 $142 Bg7 32. Qe4) 31... Bg7 32. Re1 Rd8 33. Qg2 {[#]} Bxb2+ $1 {[%mdl 512] Precision: Weiß = 37%, Schwarz = 80%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Shishkov, Andrei"]
[Black "Kovalenko, Igor"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2370"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,133,37,37,53,48,45,49,79,87,88,71,74,68,73,71,100,77,83,82,106,97,104,110,110,31,25,15,19,4,11,10,39,14,17,8,7,13,10,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,18,0,0,0,25,0,0,0,31,46,43,33,35,19,12,14,15,0,13,-13,17,-18,-18,-18,-18,-18,0,0,0,0,0,0,0,-36,-22,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e3 Nbd7 6. Bd3 {LiveBook: 5 Games. E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} b6 $146 ({Predecessor:} 6... Bxc3+ 7. Qxc3 b6 8. Ne2 Bb7 9. f3 c5 10. e4 O-O 11. O-O h6 12. b3 Re8 13. d5 exd5 14. exd5 {½-½ (31) Gajewski,G (2653)-Fedorchuk,S (2660) Haguenau 2013}) 7. Nge2 Bb7 8. O-O {White is slightly better.} Bxc3 9. Nxc3 c5 10. b3 O-O 11. Bb2 cxd4 12. exd4 Qc7 13. Rfd1 a6 14. Rac1 Kh8 15. f3 d5 16. cxd5 Bxd5 17. Nxd5 (17. Ne4 $16 Qf4 18. Qd2) 17... Qxc2 $14 18. Bxc2 Nxd5 19. Be4 N7f6 20. Kf2 b5 21. Bd3 Rfd8 22. Rd2 Nb4 23. Bb1 Kg8 24. Ba3 Nbd5 25. Bc5 h5 26. b4 a5 27. bxa5 Rxa5 28. Rb2 g6 29. Bd3 b4 30. Bc4 Kg7 31. h4 Ra3 32. Bb3 Rd7 33. g3 Rd8 34. Rcc2 (34. Rc4 {with more complications.} Rb8 35. Bd6 Rb6 36. Be5 Kf8 37. Rc8+) 34... Rd7 (34... Raa8 {looks sharper.} 35. Bc4 Ra4 36. Bb5 Ra3 37. Rd2 Rda8) 35. Bxd5 (35. Rc4 {seems wilder.} Ng8 36. Bxb4 Nxb4 37. Rxb4 Nh6 38. d5) 35... Nxd5 36. Bxb4 Ra4 37. Bc5 Kf6 38. a3 Ne7 39. Rd2 Nf5 40. Ra2 Rd5 41. Rab2 Kg7 42. Rbc2 Kg8 43. Re2 Nxd4 44. Bxd4 Rdxd4 $11 {[%mdl 4096] Endgame KRR-KRR} 45. Re3 Rd1 46. Ra2 Rh1 {[#] aiming for ...Rh2+.} 47. Kg2 Rb1 48. Kf2 Kg7 49. Re1 Rb6 (49... Rb8 {keeps more tension.} 50. Re3 Rba8 51. Rc3 R4a5 52. Rb3 R8a7) 50. Re4 {The position is equal.} Ra5 51. a4 f5 52. Rc4 e5 53. Rac2 Re6 54. Rb2 Rd5 55. Rc7+ Kf6 56. Rbb7 {[%csl Gb7][%cal Rc7f7] [#]} e4 57. Rf7+ (57. f4 {feels hotter.} Re8 58. Rb6+ Re6 59. Rbb7) 57... Ke5 58. Rfe7 Rd2+ 59. Ke1 Rdd6 60. Rb5+ Kd4 61. Rxe6 Rxe6 {KR-KR} 62. Ke2 Rc6 63. Rb4+ Ke5 64. Rb5+ Kf6 65. fxe4 fxe4 66. Rg5 Rc3 67. a5 {Precision: White = 61%, Black = 52%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Kulkarni, Rakesh"]
[Black "Donchenko, Alexander"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2363"]
[BlackElo "2612"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,-60,-60,-53,-50,-57,-56,-62,-57,-79,-82,-89,-62,-83,-85,-85,-76,-77,-91,-89,-95,-99,-94,-97,-87,-90,-53,-115,-118,-120,-120,-124,-119,-157,-151,-150,-153,-135,-162,-152,-143,-259,-239,-302,-272,-512,-509,-556,-556,-558,-556,-656,-647,-637,-633,-886,-703]} 1. c4 c5 2. Nc3 g6 3. h4 (3. g3 Bg7 4. Bg2 Nc6 5. e3 e6 6. b3 Nge7 7. Ba3 b6 8. Nge2 d5 9. cxd5 exd5 10. d4 cxd4 11. Nxd4 Nxd4 12. exd4 Ba6 13. Bf1 Bxf1 14. Kxf1 {0-1 (30) Kramnik,V (2792)-So,W (2778) Paris 2018}) 3... Nf6 4. e4 Nc6 5. g4 $146 ({Predecessor:} 5. d3 d6 6. Bg5 Bg7 7. Qd2 Be6 8. Nd5 Qd7 9. Be2 Nd4 10. Bd1 Bxd5 11. exd5 O-O-O {0-1 (60) Pogosian,V (2122)-Yangutov,A (1874) St Petersburg 2017}) 5... h5 6. g5 {A34: Symmetrical English: 2 Nc3, lines with ...d5} Ng4 7. f3 Nge5 8. d3 {Black is slightly better.} Bg7 9. Bg2 Nb4 10. Bf1 O-O 11. a3 Nbc6 12. Bg2 a6 13. Nge2 {[#]} b5 $1 {[%mdl 512]} 14. f4 (14. cxb5 axb5) 14... Ng4 15. O-O Rb8 16. cxb5 axb5 17. f5 b4 18. axb4 ({White should play} 18. Nd5 $15) 18... Nxb4 $17 19. Nf4 c4 20. d4 Nd3 21. f6 exf6 22. Nxd3 cxd3 23. Qxd3 fxg5 24. Bxg5 Qb6 25. Ra4 (25. Rfd1 $17) 25... Bb7 $40 {[%mdl 128] Black attacks with force.} 26. Be7 Rfe8 27. Bg5 $2 {[#]} (27. Bc5 Qc7 28. Qh3) 27... Bc6 {Black is clearly winning.} 28. Rc4 Ne5 29. Rxc6 dxc6 {[%cal Bd7c6,Bc6c5][%mdl 32]} 30. Qd1 Ng4 31. Ne2 c5 32. Nc3 Qxb2 {Precision: White = 42%, Black = 89%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Quillan, Gary"]
[Black "Predke, Alexandr"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2349"]
[BlackElo "2606"]
[Annotator "TA RC"]
[PlyCount "90"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,90,0,-20,-23,-21,-21,-103,-99,-149,-106,-122,-78,-113,-134,-124,-131,-123,-118,-151,-139,-139,-81,-88,-74,-85,-77,-82,-40,-102,-104,-98,-95,-93,-86,-86,-86,-122,-128,-162,0,-115,-107,-93,-55,-170,-158,-146,-177,-1868,-1865,-4906,-4894,-4902,-262,-1665,-1477,-5447,-5683,-5220,-2035,-29984,-29985,-29990,-29991]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Bg4 10. d5 Na5 {[%cal Bc6a5,Ba5b7,Bb7c5][%mdl 32]} 11. Bc2 Qc8 12. h3 Bd7 13. Nbd2 c6 14. dxc6 Qxc6 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4} (14... Bxc6 15. Nf1 Re8 16. Bg5 Qe6 17. b3 Rac8 18. Qd2 Nh5 19. g4 Nf6 20. Ng3 g6 21. Bh4 Nd7 22. Ng5 Bxg5 23. Bxg5 {1-0 (42) Andreikin,D (2723)-Grigoriants,S (2576) Minsk 2017}) 15. a4 {LiveBook: 3 Games} Nb7 16. Nf1 Nc5 {[%cal Rf6e4] The position is equal.} 17. a5 $146 (17. axb5 $11 axb5 18. Rxa8 Rxa8 19. Bg5) ({Predecessor:} 17. axb5 axb5 18. Rxa8 Rxa8 19. Bg5 h6 20. Bxf6 Bxf6 21. Ne3 Be6 22. Nd5 {0-1 (41) Raghavendra,V (2131)-Abdulla,A (2514) Mumbai 2008}) 17... Nfxe4 18. Nd4 Qb7 19. f3 {[%cal Rc2e4]} Nf6 20. Nf5 Bxf5 $1 21. Bxf5 Rfe8 22. Bc2 Rad8 23. Ng3 g6 $1 24. f4 Bf8 ({Black should play} 24... b4 25. Rf1 Rc8) 25. f5 $17 d5 26. Bg5 Rd6 27. Rf1 {fxg6 is the strong threat.} Bg7 28. Bxf6 (28. b4 $15 Ncd7 29. Qd2) 28... Rxf6 (28... Bxf6 $6 29. b4 $11) 29. b4 {[#]} Na4 $1 {[%mdl 512]} 30. Bxa4 bxa4 31. Qxa4 Rc8 32. Qb3 Rc4 33. fxg6 Rxg6 $2 ({But not} 33... fxg6 34. Ne2 $17) (33... hxg6 $19 {White must now prevent ...e4.} 34. Rxf6 Bxf6) 34. Kh2 (34. Nf5 $1 $11 {keeps the balance.}) 34... e4 35. Nf5 Bxc3 36. Rac1 {[#]} (36. Rad1 $15) 36... Qc7+ $1 $19 ({Worse is} 36... Qxb4 {[#]} 37. Rxc3 $1 {[%mdl 512]} Qxc3 38. Qb8+ Rc8 39. Ne7+ Kg7 40. Nxc8 $16) ({Don't take} 36... Bxb4 37. Rxc4 dxc4 38. Qxc4 $15) 37. Kh1 Bxb4 $40 {[%mdl 128] Black goes for the king.} 38. Qxb4 $2 (38. Rxc4 Qxc4 39. Rb1 Qxb3 40. Rxb3) 38... Rxc1 {[%cal Rc1f1]} 39. Ne7+ {[#]} Qxe7 $1 {[%mdl 512]} 40. Qxe7 Rxf1+ {KQ-KRR} 41. Kh2 Rf2 42. Qe8+ Kg7 43. Qe5+ Kh6 44. h4 Rfxg2+ 45. Kh1 R2g4 {Precision: White = 33%, Black = 76%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Rietze, Clemens"]
[Black "Svane, Rasmus"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2339"]
[BlackElo "2591"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,110,0,0,0,2,-18,12,0,0,-13,27,-5,27,0,0,0,0,0,0,-2,6,7,4,-12,-10,-12,-12,-11,-16,-51,-35,-73,-61,-118,-100,-142,-132,-522,-207,-180,-117,-259,-239,-250,-152,-156,-134,-157,-162,-170,-173,-247,-234,-249,-249,-275,-302,-266,-197,-185,-165,-176,-166,-201,-195,-183,-174,-291,-293,-279,-287,-372,-353,-320,-303,-502,-494,-516,-512,-502,-508,-539,-528,-729,-695,-627,-560,-698,-470,-610,-593,-508,-502]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 c6 (5... d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Na6 10. O-O Nc7 11. f3 Re8 12. Bd2 Bf8 13. Qe1 g6 14. g4 c5 15. Qf2 b6 16. h4 Bd6 17. Nce2 {0-1 (54) Caruana,F (2816)-Karjakin,S (2782) Leuven 2018}) 6. a3 {E46: Nimzoindisch (Rubinstein-System)} Ba5 7. Qc2 d5 8. Ng3 Nbd7 9. Be2 dxc4 10. Bxc4 e5 {LiveBook: 20 Partien} 11. O-O exd4 12. exd4 Bc7 13. Ba2 Nb6 $146 14. Rd1 Qd6 15. Bg5 (15. d5 $5) 15... h6 16. Bxf6 (16. Nb5 $5 cxb5 17. Bxf6 $14) 16... Qxf6 17. d5 cxd5 18. Bxd5 Be5 19. Rac1 Bf4 20. Rb1 Bg4 21. f3 Be6 22. Bxe6 Qxe6 23. Qe4 Be5 24. Re1 Rfe8 25. Qb4 Rad8 26. Nge2 (26. Re2 $15) 26... Qc4 27. Rbd1 {[#]} Bd6 $1 {[%mdl 512]} 28. Qb5 $2 {[%mdl 8192] [#]} (28. Qxc4 $17 {ist zäher.} Nxc4 29. Ne4) (28. Rxd6 Qxb4) 28... Bc5+ $2 (28... Rxe2 $1 {[%mdl 512]} 29. Qxc4 (29. Nxe2 Qxb5) 29... Rxe1+ 30. Rxe1 Nxc4) 29. Kf1 $19 a6 (29... Qxb5 $19 30. Nxb5 Nc4 31. Rxd8 Rxd8) 30. Qa5 {[#]} (30. Rxd8 $17 Qxb5 31. Nxb5 Rxd8 32. b4) 30... Rc8 $1 {Weiss muss nun ...Dh4 beachten.} 31. Ne4 {Tc1 ist eine echte Drohung.} Rxe4 32. fxe4 {zielt auf Tc1 ab.} Qxe4 {( -> ...Df5+)} 33. Qc3 Nd5 34. Rxd5 Qxd5 35. Nf4 (35. b4 $142 Qf5+ 36. Qf3 Qxf3+ 37. gxf3) 35... Qf5 36. Qf3 Bd6 37. Nd5 Qxf3+ 38. gxf3 {[%mdl 4096] Endspiel KTL-KTS} Kf8 39. Re2 Re8 40. Rd2 Rd8 41. Nb6 Bc7 42. Rxd8+ Bxd8 {KL-KS} 43. Nd7+ (43. Nd5 {ist wohl besser.}) 43... Ke7 44. Nc5 Bb6 45. Nd3 Ke6 46. Ke2 Kd5 47. b3 $2 (47. Kd2) 47... Kd4 {Schwarz steht klar auf Gewinn.} 48. Kd2 Bc7 49. h3 f5 50. b4 Bd6 51. Nb2 Bf4+ 52. Ke2 g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 53. Na4 Bd6 54. Kd2 h5 55. Nb6 g4 {Precision: Weiß = 29%, Schwarz = 70%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Krykun, Yuriy"]
[Black "Stocek, Jiri"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2325"]
[BlackElo "2582"]
[Annotator "RC"]
[PlyCount "100"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:03:04]} 2. d4 {[%emt 0:01:27]} g6 {[%emt 0:05:45]} 3. g3 {[%emt 0:04:23]} Bg7 {[%emt 0:00:19]} 4. Bg2 {[%emt 0:00:17]} c5 {[%emt 0:00:49]} 5. O-O {[%emt 0:03:50]} cxd4 {[%emt 0:00:10]} 6. Nxd4 {[%emt 0:00:05]} Qb6 {[%emt 0:02:37]} 7. Nb3 {[%emt 0:02:10]} Qc7 {[%emt 0:00:46]} 8. e4 {[%emt 0:03:26]} Nd7 {[%emt 0:03:25]} 9. a4 {[%emt 0:04:34]} a6 {[%emt 0:04:16]} 10. a5 {[%emt 0:02:20]} h5 {[%emt 0:00:50]} 11. h3 {[%emt 0:04:44]} Rb8 {[%emt 0:02:50]} 12. Nd4 {[%emt 0:07:28]} b5 {[%emt 0:14:45]} 13. axb6 {[%emt 0:06:29]} Nxb6 {[%emt 0:08:32]} 14. b3 {[%emt 0:06:09]} Nf6 {[%emt 0:02:29]} 15. c4 {[%emt 0:01:00]} O-O {[%emt 0:05:13]} 16. Nc3 {[%emt 0:02:16]} e6 {[%emt 0:05:23]} 17. Be3 {[%emt 0:06:39]} Bb7 {[%emt 0:03:21]} 18. Qd2 {[%emt 0:04:09]} Rfe8 {[%emt 0:03:19]} 19. Rfd1 {[%emt 0:03:12]} Nbd7 {[%emt 0:00:52]} 20. Rac1 {[%emt 0:06:54]} Nc5 {[%emt 0:05:03]} 21. Qc2 {[%emt 0:00:58]} Ba8 {[%emt 0:00:15]} 22. Rb1 {[%emt 0:01:57]} Rec8 {[%emt 0:05:35]} 23. Nde2 {[%emt 0:03:18]} Qc6 {[%emt 0:04:02]} 24. Nd4 {[%emt 0:01:04]} Qb7 {[%emt 0:01:08]} 25. f3 {[%emt 0:03:09]} Qc7 {[%emt 0:01:47]} 26. Bf2 {[%emt 0:00:52]} Qa5 {[%emt 0:05:01]} 27. Be1 {[%emt 0:05:36]} Qc7 {[%emt 0:00:06]} 28. Bf2 {[%emt 0:00:25]} Ncd7 {[%emt 0:01:28]} 29. Qd2 {[%emt 0:01:57]} Bf8 {[%emt 0:00:11]} 30. Nde2 {[%emt 0:02:06]} Nc5 {[%emt 0:01:19]} 31. Qc2 {[%emt 0:01:02]} Bh6 {[%emt 0:03:43]} 32. Bd4 {[%emt 0:03:48]} Ncd7 {[%emt 0:00:28]} 33. Ra1 {[%emt 0:00:58]} Bb7 {[%emt 0:02:58]} 34. Qa2 {[%emt 0:01:00]} d5 {[%emt 0:01:03]} 35. exd5 {[%emt 0:03:12]} exd5 {[%emt 0:00:08]} 36. c5 {[%emt 0:00:39]} Bc6 {[%emt 0:01:04]} 37. Rab1 {[%emt 0:00:39]} a5 {[%emt 0:00:53]} 38. Bf2 {[%emt 0:01:37]} Bf8 {[%emt 0:00:47]} 39. Nf4 {[%emt 0:02:53]} h4 {[%emt 0:01:30]} 40. Nfxd5 {[%emt 0:00:34]} Nxd5 {[%emt 0:00:38]} 41. Nxd5 {[%emt 0:00:01]} Bxd5 {[%emt 0:00:25]} 42. Rxd5 {[%emt 0:00:01]} hxg3 {[%emt 0:00:07]} 43. Bd4 {[%emt 0:00:21]} Bxc5 {[%emt 0:00:41]} 44. Bxc5 {[%emt 0:01:13]} Nxc5 {[%emt 0:00:08]} 45. h4 {[%emt 0:00:12]} Rd8 {[%emt 0:01:09]} 46. Rg5 {[%emt 0:00:24]} Nxb3 {[%emt 0:01:27]} 47. Rxb3 {[%emt 0:01:27]} Qa7+ {[%emt 0:00:31]} 48. Kf1 {[%emt 0:00:30]} Rd1+ {[%emt 0:00:17]} 49. Ke2 {[%emt 0:00:05]} Qf2+ {[%emt 0:00:13]} 50. Kxd1 {[%emt 0:00:03]} Rd8+ {[%emt 0:00:10]} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Narva, Mai"]
[Black "Petrosyan, Manuel"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2320"]
[BlackElo "2567"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,25,47,44,39,33,50,38,46,8,19,6,8,10,14,14,16,14,20,15,7,14,19,33,28,6,22,0,25,0,32,21,60,10,38,46,50,51,64,70,89,75,70,69,61,40,52,22,20,0,40,1,24,0,43,0,0,0,0,0,0,-13,-14,-16,0,-39,-8,-9,-9,-17,-7,-137,-101,-139,-146,-180,-172,-166,-171,-170,-155,-284,-283,-631,-546,-853,-582,-1196,-529,-29995,-29996,-29996,-29997]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 {B11: Caro-Kann: Two Knights Variation} (6... Be6 7. b3 Bd5 8. Qe3 e6 9. Bb2 Nd7 10. Be2 Bc5 11. d4 Bxf3 12. Bxf3 Qa5+ 13. c3 Be7 14. O-O {½-½ (60) Ragger,M (2666)-Nisipeanu,L (2682) Graz 2018}) 7. Qe3 Qe6 {LiveBook: 12 Games} 8. d4 Qxe3+ {White is slightly better.} 9. Bxe3 Bf5 10. c4 $146 ({Predecessor:} 10. O-O-O h6 11. Ne5 e6 12. Bd3 Bxd3 13. Rxd3 {½-½ (27) Marosi,L (2274)-Nomin Erdene,D (2356) Kecskemet 2015}) 10... e6 11. a3 Nd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 12. Be2 h6 13. O-O Bd6 14. Rfd1 Nf6 15. Ne5 Ke7 16. Bf3 g5 17. g3 Be4 18. Bxe4 Nxe4 19. f3 Nf6 20. b4 Rac8 21. a4 Rhd8 22. Nd3 b6 23. Bf2 g4 24. Kg2 h5 25. b5 gxf3+ 26. Kxf3 cxb5 {[#]} 27. c5 $1 {[%cal Rc5d6]} Bb8 28. axb5 Nd5 29. Rac1 f6 30. h3 Rg8 31. Re1 Rcd8 32. Re2 Kf7 33. Rce1 Rge8 34. Kg2 Nc3 35. Rb2 bxc5 36. Nxc5 Bc7 37. Rc1 Nd5 38. Ne4 f5 $36 {[%mdl 2048] Black has some pressure.} 39. Nc3 Bb6 40. Na4 {[#]} h4 $1 {[%mdl 512]} 41. Nxb6 (41. gxh4 Nf4+) 41... axb6 42. Rc6 (42. gxh4 $11 Ra8 43. Kh2) 42... hxg3 43. Kxg3 Ra8 44. Rb3 Ra2 45. Kf3 Rh8 46. h4 Rg8 {Strongly threatening ...Rg4.} 47. Rc4 (47. Bg3 $17) 47... Ra1 $19 48. Rb2 $2 (48. Bg3) 48... Rh1 49. Ke2 Rg2 50. Rcc2 Kf6 (50... Nf4+ $142 51. Kd2 Rxf2+ 52. Ke3 Rff1) 51. Rd2 Nf4+ 52. Kf3 Rh3+ {Precision: White = 33%, Black = 58%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Dordzhieva, Dinara"]
[Black "Ter Sahakyan, Samvel"]
[Result "0-1"]
[ECO "E37"]
[WhiteElo "2314"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,74,-53,-71,-71,-72,-73,-85,-68,-94,-78,-102,-68,-74,-77,-128,-130,-128,-118,-153,-139,-153,-151,-137,-130,-162,-125,-130,-123,-124,-93,-103,-94,-191,-185,-196,-185,-266,-254,-254,-245,-378,-381,-499,-485,-494,-497,-527,-512,-471,-445,-633,-623]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 {E37: Nimzo-Indian: Classical: 4...d5 5 a3 Bxc3+ 6 Qxc3 Ne4} (10. Nd2 Nxd2 11. Bxd2 Qxc5 12. e3 dxc4 13. Bxc4 Ne5 14. Bb3 Bd7 15. O-O Qxc2 16. Bxc2 Bc6 17. Rfd1 O-O 18. Bc3 {½-½ (123) Mamedyarov,S (2808)-Karjakin,S (2782) Leuven 2018}) 10... Qxc5 11. e3 Nxd2 12. Qxd2 dxc4 13. Qc3 {[#] LiveBook: 9 Games} Qa5 $1 14. Bxc4 {Black must now prevent b4.} Qxc3+ 15. bxc3 Ke7 16. O-O $146 ({Predecessor:} 16. Ke2 b6 17. Bb5 Bb7 18. Bxc6 Bxc6 {0-1 (40) Zhao,X (2495)-Hou,Y (2602) Jiangsu Wuxi 2011}) 16... Bd7 17. Bb5 Rhc8 18. Rfd1 Rc7 19. Nd2 ({White should play} 19. a4) 19... Na5 $17 20. Bxd7 Rxd7 21. Ne4 Rxd1+ 22. Rxd1 {[%mdl 4096] Endgame KRN-KRN} f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 23. Ng3 Rd8 24. Ra1 Rd2 25. e4 f4 26. Nh5 g5 27. h4 h6 {[%cal Bh7h6,Bh6g5][%mdl 32]} 28. hxg5 (28. Rb1 $17) 28... hxg5 $19 29. Rb1 {[#] With the idea Rb5.} a6 $1 30. Rb6 (30. g3 {was called for.}) 30... Rd6 31. Rb1 Rd3 32. c4 (32. f3 $142) 32... Rxa3 33. e5 Rb3 {Black is clearly winning.} 34. Rc1 Rb4 35. Nf6 Nxc4 36. Ne4 g4 37. g3 (37. Nc5 $142 Nxe5 38. Re1) 37... Nxe5 {Precision: White = 23%, Black = 82%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Mishuchkov, Nikolai Mikhailovic"]
[Black "Zakhartsov, Viacheslav V"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2307"]
[BlackElo "2544"]
[Annotator "ChessBase"]
[PlyCount "40"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} b6 {[%emt 0:00:11]} 3. g3 {[%emt 0:03:15]} c5 {[%emt 0:00:30]} 4. Bg2 {[%emt 0:00:05]} Bb7 {[%emt 0:00:02]} 5. O-O {[%emt 0:00:05]} e6 {[%emt 0:00:37]} 6. b3 {[%emt 0:00:17]} Be7 {[%emt 0:00:23]} 7. Bb2 {[%emt 0:00:06]} O-O {[%emt 0:00:14]} 8. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:22]} 9. e3 {[%emt 0:02:00]} Qc7 {[%emt 0:02:45]} 10. d4 {[%emt 0:02:11]} cxd4 {[%emt 0:00:26]} 11. exd4 {[%emt 0:00:09]} d5 {[%emt 0:01:38]} 12. cxd5 {[%emt 0:00:32]} Nxd5 {[%emt 0:01:31]} 13. Rc1 {[%emt 0:00:11]} Nxc3 {[%emt 0:14:51]} 14. Rxc3 {[%emt 0:01:13]} Qd6 {[%emt 0:00:57]} 15. Ne5 {[%emt 0:01:47]} Bxg2 {[%emt 0:04:00]} 16. Kxg2 {[%emt 0:00:25]} Nd7 {[%emt 0:01:04]} 17. Rc6 {[%emt 0:09:45]} Qd5+ {[%emt 0:02:01]} 18. Qf3 {[%emt 0:00:08]} Qxf3+ {[%emt 0:00:13]} 19. Kxf3 {[%emt 0:09:49]} Nxe5+ {[%emt 0:00:48]} 20. dxe5 {[%emt 0:00:12]} Bc5 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Chukavin, Kirill"]
[Black "Meskovs, Nikita"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "2291"]
[BlackElo "2524"]
[Annotator "RC"]
[PlyCount "80"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. e5 {[%emt 0:00:34]} Nd5 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:18]} d6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:19]} Bg4 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:56]} e6 {[%emt 0:00:03]} 6. O-O {[%emt 0:02:48]} Be7 {[%emt 0:00:05]} 7. c4 {[%emt 0:01:07]} Nb6 {[%emt 0:00:05]} 8. Nc3 {[%emt 0:01:30]} O-O {[%emt 0:00:41]} 9. h3 {[%emt 0:01:50]} Bh5 {[%emt 0:00:10]} 10. Be3 {[%emt 0:09:54]} d5 {[%emt 0:04:06]} 11. c5 {[%emt 0:06:18]} Bxf3 {[%emt 0:00:11]} 12. Bxf3 {[%emt 0:01:24]} Nc4 {[%emt 0:00:06]} 13. Bc1 {[%emt 0:11:17]} b6 {[%emt 0:00:24]} 14. b3 {[%emt 0:05:29]} Na5 {[%emt 0:00:24]} 15. cxb6 {[%emt 0:02:23]} axb6 {[%emt 0:06:52]} 16. Be2 {[%emt 0:00:33]} c5 {[%emt 0:01:44]} 17. Nb5 {[%emt 0:00:25]} Nbc6 {[%emt 0:00:43]} 18. Bb2 {[%emt 0:05:41]} Qd7 {[%emt 0:01:34]} 19. f4 {[%emt 0:08:06]} c4 {[%emt 0:06:04]} 20. bxc4 {[%emt 0:07:31]} Nxc4 {[%emt 0:03:37]} 21. Bxc4 {[%emt 0:03:43]} dxc4 {[%emt 0:01:03]} 22. a4 {[%emt 0:03:03]} Rfc8 {[%emt 0:07:08]} 23. Qf3 {[%emt 0:05:11]} Nb4 {[%emt 0:03:59]} 24. f5 {[%emt 0:03:01]} exf5 {[%emt 0:00:30]} 25. Qxf5 {[%emt 0:03:08]} Qxf5 {[%emt 0:00:05]} 26. Rxf5 {[%emt 0:00:10]} Nd5 {[%emt 0:00:03]} 27. Nc3 {[%emt 0:02:21]} Rd8 {[%emt 0:22:21]} 28. Nxd5 {[%emt 0:01:20]} Rxd5 {[%emt 0:00:04]} 29. Raf1 {[%emt 0:00:50]} Bb4 {[%emt 0:07:51]} 30. Rxf7 {[%emt 0:06:09]} c3 {[%emt 0:00:10]} 31. Bc1 {[%emt 0:00:32]} Rxd4 {[%emt 0:00:44]} 32. Be3 {[%emt 0:04:07]} Rc4 {[%emt 0:09:36]} 33. R7f4 {[%emt 0:00:28]} Rxf4 {[%emt 0:01:47]} 34. Rxf4 {[%emt 0:00:02]} Rxa4 {[%emt 0:00:06]} 35. e6 {[%emt 0:02:03]} b5 {[%emt 0:07:49]} 36. Rd4 {[%emt 0:00:45]} h6 {[%emt 0:10:12]} 37. Rd7 {[%emt 0:01:16]} Ra6 {[%emt 0:02:26]} 38. Bd4 {[%emt 0:01:13]} Rc6 {[%emt 0:00:08]} 39. Rxg7+ {[%emt 0:00:46]} Kf8 {[%emt 0:00:01]} 40. Rb7 {[%emt 0:00:55]} Bc5 {[%emt 0:00:29]} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Kuznecovs, Nikita"]
[Black "Annaberdiev, Meilis"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2280"]
[BlackElo "2509"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,113,25,42,10,27,22,23,-28,-26,-25,-25,-26,-17,-20,-20,-31,-21,-37,-33,-28,-22,-23,-26,-31,-16,-18,-16,-34,-34,-34,-27,-32,0,0,0,0,0,0,0,0,0,0,0,-9,-8,-8,-8,-8,-8,-8,0,-3,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 b6 5. Nd2 cxd4 6. exd4 Bb7 7. Ngf3 Be7 8. Bd3 O-O 9. O-O d6 10. h3 Nbd7 11. Qe2 a6 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} 12. Rfe1 (12. a4 Re8 13. Bh2 h6 14. Rfe1 Bf8 15. Nc4 Qc7 16. Ne3 Nd5 17. Nxd5 Bxd5 18. Bxa6 Bxf3 19. gxf3 {1-0 (34) Carlsen,M (2837)-Akobian,V (2647) Riadh 2017}) 12... h6 13. a4 Re8 {LiveBook: 3 Games. White has an edge.} 14. Qf1 Bf8 15. Bh2 Qc7 16. Ne4 $146 (16. Nc4 $142) ({Predecessor:} 16. c4 e5 17. d5 Nc5 18. Bc2 b5 19. b4 {1-0 (46) Silva,E (2082)-Valderrama Quiceno,E (2433) Medellin 2018}) 16... Nxe4 17. Bxe4 Bxe4 18. Rxe4 Qc6 19. Ree1 b5 20. axb5 axb5 21. Nd2 Nb6 {[%cal Bd7b6,Bb6c4,Bc4d2][%mdl 32]} 22. Qd3 Nc4 23. b3 Nxd2 24. Qxd2 Rec8 {With the idea ...Rxa1.} 25. Rxa8 Rxa8 26. d5 Qxd5 27. Qxd5 exd5 $15 {[%mdl 4096] Endgame KRB-KRB} 28. Kf1 f6 29. Rd1 {The position is equal.} Ra3 30. b4 Rxc3 31. Rxd5 Kf7 32. Rxb5 Rb3 33. f4 g6 34. g4 Rxh3 35. Kg2 Re3 36. f5 Re2+ 37. Kh3 Re3+ 38. Kg2 gxf5 39. gxf5 d5 40. Rxd5 Re2+ 41. Kh3 Bxb4 42. Bf4 Re1 43. Kg2 h5 44. Rd3 Re2+ 45. Kf3 Re7 46. Rd1 h4 47. Rh1 Be1 48. Be3 Bg3 {[#] Threatens to win with ...Re5.} 49. Bf2 Rb7 50. Bxg3 $11 {KRB-KR} Rb3+ 51. Kf4 hxg3 {KR-KR} (51... Rb4+ {is interesting.} 52. Kf3 hxg3 53. Rg1 Rb5 54. Kf4 Ke7) 52. Rg1 Ke7 53. Rxg3 Rb4+ 54. Kf3 Kd6 55. Rg4 Rxg4 56. Kxg4 Ke5 57. Kg3 {Precision: White = 61%, Black = 59%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Thogersen, Rasmus"]
[Black "Anurag, Mhamal"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2275"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,105,11,9,16,24,16,29,27,49,50,51,46,45,50,73,36,41,32,39,27,38,38,62,60,151,138,175,162,170,159,164,154,266,266,219,227,260,250,268,246,267,260,259,238,260,201,184,175,197,206,210,202,197,208,195,201,181,174,178,172,614,612,702,570,787,623,561,159,143,135,94,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Nd7 {[%cal Bf6d7,Bd7f8,Bf8e6][%mdl 32]} 11. Nbd2 exd4 {C92: Closed Ruy Lopez: 9...Be6, Karpov and Flohr-Zaitsev Variations} 12. cxd4 Re8 13. Nf1 Na5 14. Bc2 Bf6 15. Bf4 (15. Ne3 Bxe4 16. Bd2 Bxc2 17. Qxc2 Nc4 18. Nxc4 Rxe1+ 19. Rxe1 bxc4 20. Qxc4 {½-½ (60) Shankland,S (2671)-Bu,X (2725) Liaocheng 2018}) 15... Nf8 {LiveBook: 22 Games} 16. Ng3 Ne6 17. Bc1 g6 18. Rb1 c5 {[%cal Rc5d4]} 19. d5 $1 {[%cal Rd5e6]} Nd4 20. Nxd4 Bxd4 21. b3 {[#]} Qh4 $146 ({Predecessor:} 21... Bc8 22. Bf4 b4 {½-½ (22) Pavlidis,A (2522)-Bok,B (2591) Hoogeveen 2015}) 22. Bb2 (22. Be3 $5 {[%cal Re3d4]}) 22... Bxb2 23. Rxb2 {[%cal Bb1b2,Bb2e2,Be2e3,Be3f3,Bf3f4][%mdl 32]} Bc8 24. Bb1 Bd7 25. Rbe2 Re5 26. Qd2 b4 (26... Nb7 $14) 27. Kh2 $16 g5 28. Bc2 Nb7 29. Re3 a5 30. Bd1 g4 (30... a4 $16 {was called for.}) 31. f4 $18 gxf3 32. Rxf3 c4 33. bxc4 Nc5 34. Rf4 Qg5 35. Nh5 Kh8 36. h4 Qh6 37. g4 Rxh5 38. gxh5 {[%cal Bg4h5,Bh5h6][%mdl 32]} Nd3 39. Ref1 ({Stronger than} 39. Qxd3 Qxf4+ 40. Qg3 Qd2+ 41. Re2 Qxd1 $11) 39... Nxf4 40. Qxf4 ({Don't play} 40. Rxf4 $6 Qg7 $16) 40... Qxf4+ 41. Rxf4 {[%mdl 4096] Endgame KRB-KRB} Kg7 42. h6+ $1 Kf8 {[#]} 43. c5 $1 {[%cal Rc5d6]} dxc5 {[#]} 44. e5 $1 {[%cal Re5e6]} Be8 $2 (44... Kg8) 45. d6 a4 46. Bc2 b3 47. Bxh7 Bd7 48. Bg6 $2 (48. Rf2 $18 Be6 49. a3) 48... bxa2 $16 {Threatens to win with ...Be6.} 49. Rxf7+ Kg8 50. Rg7+ (50. Rf1 $16 Be6 51. Kg3) 50... Kh8 $11 {The position is equal.} 51. Rh7+ Kg8 52. Rg7+ Kh8 53. Rh7+ {Precision: White = 68%, Black = 48%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Gurvich, Vitaly"]
[Black "Laurusas, Tomas"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2272"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,144,23,27,33,0,0,0,0,0,0,0,15,0,74,27,53,52,43,33,64,45,23,-32,-32,-34,-14,0,-8,0,364,364,355,347,331,342,335,327,350,331,314,313,350,331,319,277,257,146,146,146,146,146,145,145,147,142,139,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-12,-8,-8,-8,-8,-8,-8,-8,-153,-152,-254,-13,-13,-13,-20,-20,-20,-20,-20,-20,-20,-8,-8,-8,-73,-11,-82,-82,-82,-82,-29961,-29960,-29962,-29964,-29963,-29965,-29965,-29966,-29966,-29966,-29968,-29969,-29969,-29970,-29968,-29970,-29971,-29972,-29971,-29971,-29972,-29973,-29972,-29972,-29973,-29974,-29973,-29973,-29973,-29974,-29987,-29988,-29988,-29989]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Bg5 Nf6 5. Bxf6 gxf6 6. Nc3 {D10: Damengambit (Slawische Verteidigung)} e6 7. e3 Nd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 8. Bd3 {LiveBook: 4 Partien. Weiß hat minimalen Vorteil.} f5 9. f4 $146 ({Vorgänger:} 9. h3 h5 10. h4 Nf6 11. Nge2 Bd6 {0-1 (32) Mamedyarov,S (2808)-Aronian,L (2764) Paris 2018}) 9... Rg8 10. Qd2 a6 11. Nf3 Nf6 12. O-O Ne4 13. Qe2 f6 (13... Be7 $11 {bleibt in der Remisbreite.}) 14. Rac1 Bd7 15. Bxe4 fxe4 16. Nh4 $1 f5 17. Qh5+ Ke7 18. Qxh7+ (18. Nxd5+ $1 $11 exd5 19. Qxh7+ Rg7 20. Nxf5+ Bxf5 21. Qxf5) 18... Rg7 $15 19. Qh8 Kd6 20. Kh1 Bc6 {[#]} 21. g4 $1 {[%mdl 512]} Rxg4 $2 {[%mdl 8192] [#]} (21... Qf6 $1 $11) (21... fxg4 22. f5) 22. Nxf5+ $1 $18 {[%mdl 512]} Kc7 (22... exf5 23. Qe5+) 23. h3 exf5 24. hxg4 fxg4 25. Kg2 Kb6 26. Rh1 Ka7 27. Qh5 Qb6 28. Rc2 ({Weniger gut wäre} 28. Qxg4 Qxb2+ 29. Qe2 Qa3 $18) 28... Rd8 29. Qf5 Bg7 {Falls Schwarz jetzt zu ...Lxd4 käme, bestünde noch etwas Hoffnung.} 30. Rh7 (30. Ne2 $18) 30... Bxd4 $16 31. exd4 Qxd4 32. Nxe4 $1 dxe4 33. Qc5+ $1 ({Viel schlechter ist} 33. Rxc6 $6 Qd2+ 34. Kg3 Qe1+ 35. Kxg4 Rg8+ 36. Rg6 Qg1+ 37. Kh5 Qh2+ 38. Kg4 Qg1+ 39. Kh5 Qh2+ 40. Kg5 Qxh7 $11) 33... Qxc5 34. Rxc5 {[%mdl 4096] Endspiel KTT-KTL} Kb6 35. b4 (35. Re5 $16) 35... e3+ $11 36. Kg3 {Und weiter mit Te7 wäre nett.} Rd1 $1 {[%cal Rd1g1] Droht stark ...Tg1+.} 37. Re7 Rg1+ 38. Kh4 $132 {[%mdl 2048] Weiss has counterplay} g3 39. Rxe3 g2 {...Th1+ ist eine echte Drohung.} 40. Kg3 Rf1 41. Rxc6+ $1 Kxc6 42. Kxg2 Rxf4 {KT-KT} 43. a3 Rf7 44. Re5 $1 Rd7 45. a4 {[#]} (45. Rc5+ $11 Kb6 46. a4) 45... Rd4 $1 $17 {[%cal Rd4b4]} 46. b5+ (46. Rc5+ $17 {war einen Versuch wert.} Kd6 47. a5) 46... axb5 $2 ({Lieber} 46... Kd6 $19 47. Re1 Rxa4 48. bxa6 bxa6) 47. axb5+ $11 Kd6 48. Rh5 Rd5 49. Rh7 b6 ({Viel schwächer ist} 49... Rxb5 50. Kf3 $17) 50. Kf3 Kc5 51. Ke4 {Weiss will mit Tc7+ Matt setzen.} Kc4 (51... Rd1 {is interesting.} 52. Rh5+ Kc4 53. Ke3 Rd3+ 54. Ke2 Rd8) 52. Rh6 Rxb5 {Mit der Idee ...Tb1.} 53. Rc6+ (53. Ke3 $1 $11) 53... Kb3 $17 54. Kd4 (54. Kd3 $1 $11 {hält das Gleichgewicht.}) 54... Rb4+ 55. Kd3 b5 {[%cal Bb6b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 56. Rc3+ $2 {[%mdl 8192]} (56. Rb6 $17) 56... Kb2 {Schwarz setzt Matt.} 57. Rc2+ {[#]} Ka3 $1 58. Rc8 Rb2 59. Ra8+ Kb3 60. Rb8 b4 61. Rc8 Rh2 62. Rb8 Ka3 63. Kc4 Rc2+ 64. Kd3 b3 65. Ra8+ Kb2 66. Rb8 Ka2 67. Rb7 Rh2 68. Kc3 b2 69. Ra7+ Kb1 70. Rg7 Rh3+ 71. Kd2 Ka2 72. Ra7+ Ra3 {Precision: Weiß = 56%, Schwarz = 73%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Sorensen, Hampus"]
[Black "Gorodetzky, David"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2267"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,130,2,20,0,8,13,29,31,48,50,42,49,51,40,47,42,63,31,108,114,104,-21,0,-36,-29,-53,-55,-49,-43,-46,-27,-64,-61,-70,-34,-38,-29,-39,-27,-76,-69,-69,-50,-45,-45,-57,-58,-69,-66,-70,-63,-66,-55,-134,-137,-151,-54,-61,-57,-85,-90,-88,-102,-93,0,-33,-33,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,-26,-26,-159,-170,-72,-60,-319,-324,-368,-333,-375,-345,-2225,-1987,-966,-936,-2296,-2038,-29973,-29976,-29976,-29977,-29977,-29978,-29977,-29978,-5289,-2856,-29987,-29988,-29988,-29989,-29990,-29991]} 1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Rd1 Ne4 {LiveBook: 52 Games} 10. b3 {E11: Bogo-Indian} Nxd2 $146 ({Predecessor:} 10... f5 11. Bc1 Bf6 12. Bb2 g5 13. Ne5 Bg7 14. Nd2 Nxe5 15. dxe5 Bd7 16. Nxe4 fxe4 17. cxd5 cxd5 {½-½ (46) Socko,B (2593)-Le,Q (2737) Riadh 2017}) 11. Nbxd2 f5 12. Ne1 {White has an edge.} Nf6 13. Ndf3 Bd6 14. Nd3 Qe7 15. a3 Bd7 16. b4 Be8 17. Rab1 f4 ({Black should play} 17... dxc4 $14 18. Qxc4 a5) 18. c5 $16 ({Stronger than} 18. Nxf4 Bxf4 19. gxf4 Bg6 $17) 18... Bc7 19. Nde5 (19. Nxf4 $6 Bxf4 20. gxf4 Bg6 $11) ({Better is} 19. gxf4 $16 Bg6 20. e3) 19... Ne4 20. g4 Ng5 {With the idea ...Nxf3+.} 21. Qb2 Nxf3+ 22. Nxf3 Bg6 23. Rbc1 Be4 24. Qb3 a6 25. a4 Qe8 26. h3 h5 27. g5 h4 28. Rd2 Rf5 29. Kh1 Bxf3 30. Bxf3 Rxg5 31. Rdd1 e5 32. dxe5 Qe6 {[%cal Re6h3]} 33. Kh2 {[%cal Rd1d5]} Rxe5 ({Much worse is} 33... Bxe5 $6 34. Rxd5 $1 {[%mdl 512]} Rf8 35. Qd3 $14 (35. Rd3 Qxb3 36. Rxb3 Rd8 $14)) 34. Qd3 Re8 {[%cal Re5e2]} 35. Rg1 (35. Kg2 $15) 35... Rxe2 $17 36. Rg2 Re4 (36... Rb2 $17 {Hoping for ...Be5.} 37. Rb1 Rxb1 38. Qxb1 Be5) 37. Rcg1 $15 Be5 {...Re3! is the strong threat.} 38. Rg4 Bf6 {And now ...Rc4 would win.} 39. Bxe4 dxe4 40. Qd6 {[#]} e3 ({Black should try} 40... Kh7 $1 $17) 41. Qxe6+ Rxe6 42. fxe3 fxe3 $11 {[%mdl 4096] Endgame KRR-KRB} 43. Re1 $1 e2 44. Rg2 Re4 $1 45. Rexe2 Rxb4 46. Rg4 Rb3 47. Rc2 Kf7 48. Re4 Kg6 49. Rcc4 a5 50. Re2 (50. Rg4+ $11 Kf5 51. Rcf4+ Ke6 52. Kg2) 50... Kf5 $17 51. Rf2+ Ke6 {Strongly threatening ...g5.} 52. Rd2 $2 {[%mdl 8192]} (52. Rg4 $15) 52... Be5+ $19 53. Kg2 Rg3+ 54. Kf1 Rxh3 55. Re4 $2 (55. Kg1) 55... Rh1+ 56. Ke2 Kf5 57. Rc4 Rh2+ 58. Kd3 Rxd2+ 59. Kxd2 {KR-KB} g5 {[%cal Bg7g5,Bg5g4,Bg4g3,Bg3g2][%mdl 32]} 60. Ke2 g4 61. Rc1 h3 62. Rf1+ Ke4 63. Rf7 g3 {Black mates.} 64. Rh7 g2 65. Kf2 Bd4+ {Precision: White = 39%, Black = 62%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Stauskas, Lukas"]
[Black "Merry, Alan B"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2256"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,109,34,47,31,52,30,51,46,74,15,18,0,51,0,0,19,0,-105,-36,-76,-31,-151,-125,-167,-144,-221,-64,-54,0,-15,72,37,98,72,136,129,170,120,122,136,136,114,306,296,279,292,298,294,468,468,468,466,466,459,466,466,457,489,490,485,460,481,479,464,543,427,551,508,500,448,456,443,377,353,529,497,584,550,643,643,664,655,849,841,820,820,810,802,1221,1161,1238,1235,1222,1211,1187,1142,2358,2257]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 c5 6. d5 {E61: Königsindisch (Abweichungen der Hauptvariante)} e6 (6... d6 7. e3 a6 8. Nd2 h6 9. Bh4 e6 10. a4 exd5 11. cxd5 Nbd7 12. Be2 Qe7 13. O-O Ne5 14. h3 g5 15. Bg3 Bf5 {½-½ (45) Hansen,S (2590)-Van Kampen,R (2643) Germany 2016}) 7. e4 h6 {LiveBook: 3 Partien} 8. Be3 {Weiß steht etwas besser.} exd5 9. exd5 d6 10. h3 b5 $146 ({Vorgänger:} 10... Re8 11. Bd3 Na6 12. a3 Nc7 13. O-O b5 14. Rb1 bxc4 15. Bxc4 {0-1 (29) Erkan,M-Kovchan,A (2270) Cannes 1997}) 11. cxb5 (11. Nxb5 $16 {und nun wäre Ld3 stark für Weiss.} Ne4 12. Bd3) 11... Nbd7 $11 12. Nd2 Re8 (12... Nb6 $11 13. Bc4 Bb7) 13. Nc4 Nb6 14. Nxb6 $1 axb6 15. Qc2 (15. Bd3 $1 $11) 15... Re5 (15... Nh5 $1 $17 {[%cal Rh5g3]} 16. Qd2 Bd4) 16. Bc4 Bf5 {[%mdl 1024] Schwarz hat starke Kompensation.} 17. Qb3 (17. Qe2 $15) 17... Ne4 $1 $17 {[%cal Re4f2]} 18. O-O Qh4 $1 {Weiss muss nun ...Lxh3! beachten.} 19. Rfe1 (19. Rfc1 $17) 19... Rae8 $2 (19... Bxh3 $1 $19 20. gxh3 Rg5+ 21. Kf1 (21. Bxg5 $2 {wird mattgesetzt.} Qxf2+ 22. Kh1 Ng3#) 21... Bxc3 22. bxc3 Re8 $1 {[%mdl 512]}) 20. Bf1 $1 $15 Bf6 (20... R5e7 $15 21. Qa4 g5 22. Nxe4 Bxe4) 21. a4 Bg5 (21... Nxc3 $11 22. Qxc3 Re4) 22. Nxe4 $16 Bxe4 {[#]} ({Besser ist} 22... Bxe3 $14 23. g3 Qd8 24. Rxe3 Rxe4) 23. Rad1 $1 Bxe3 (23... Bf6 $142) 24. Rxe3 Qg5 25. a5 bxa5 26. b6 {[%cal Bb5b6,Bb6b7][%mdl 32] Und Tde1 würde nun gewinnen.} Rb8 {[%cal Re4d5]} 27. Qa4 f5 $2 (27... Bxg2 $16 28. h4 (28. Bxg2 Rxe3 29. fxe3 Qxe3+ 30. Kh1 Rxb6 $11) 28... Qe7 29. Rxe5 (29. Kxg2 Rxe3 30. fxe3 Rxb6 $17) 29... Qxe5 30. Bxg2 Rxb6) 28. Qc6 $18 ({Schwächer ist} 28. Qxa5 f4 $16) 28... Qd8 29. b7 Re7 30. Ba6 Rc7 (30... f4 {ist eine bessere Verteidigung.} 31. Ree1 Bf5 32. Rxe7 Qxe7) 31. Qb6 Rd7 32. Qxd8+ Rbxd8 33. f3 Bc2 34. Rde1 Kf7 35. Rc3 Ba4 36. b3 Bb5 37. Bxb5 Rxb7 38. Bc6 Rb4 39. Ra1 Kf6 40. Rxa5 Ke5 41. Ra4 Rdb8 42. Rxb4 Rxb4 {[%mdl 4096] Endspiel KTL-KT} 43. Rd3 f4 (43... g5 {war angesagt.} 44. Re3+ Kd4) 44. Kf2 {Weiß steht klar auf Gewinn.} Rb6 45. Ke2 Ra6 46. Bb5 Ra1 47. Bc4 Rg1 48. Kf2 Ra1 49. Rd2 g5 50. Re2+ Kd4 51. Re6 Ra2+ 52. Kg1 Ra1+ 53. Kh2 h5 54. Rxd6 Ke3 55. Re6+ {Precision: Weiß = 53%, Schwarz = 28%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Jacobs, Florian"]
[Black "Pechac, Jergus"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2255"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,95,37,40,-10,71,87,111,20,85,85,78,92,79,75,79,68,75,67,80,76,69,72,77,82,189,185,180,170,159,172,254,245,262,267,246,264,252,212,221,155,211,221,238,220,212,200,195,198,237,181,325,325,296,302,1090,626,584,0,260,258,265,266,266,263,333,331,362,325,362,0,362,0,360,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 Qa5 9. Qd2 Nc6 10. Rb1 a6 {D85: Grünfeldindisch (Abtauschvariante, 7.Sf3 bzw nicht 7.Lc4)} (10... cxd4 11. cxd4 O-O 12. Qxa5 Nxa5 13. Bd3 Bg4 14. h3 Bxf3 15. gxf3 Rfd8 16. d5 e6 17. Bg5 f6 18. Bd2 {½-½ (51) Onischuk,A (2672)-Robson,R (2660) Saint Louis 2018}) 11. Rc1 O-O 12. d5 Rd8 $1 {LiveBook: 6 Partien. Weiß steht etwas besser.} 13. c4 {Schwarz muss nun Dxa5 beachten.} Qb6 $146 (13... Nb4 $11 {hält das Gleichgewicht.}) ({Vorgänger:} 13... Qa3 14. h3 f5 15. Be2 fxe4 16. Ng5 Bb2 17. Rc2 Be5 18. O-O {½-½ (28) Barbosa,E (2319)-Della Morte,G (2351) Rio de Janeiro 2011}) 14. Bd3 Nb4 {[#]} 15. Be2 (15. Bb1 $1 $16) 15... Bg4 (15... Qa5 $1 $11 {bleibt in der Remisbreite.}) 16. O-O $16 Bxf3 17. Bxf3 Nc6 18. Rb1 $36 {[%mdl 2048] Weiss hat starke Initiative.} Qa7 19. a4 b6 20. Qa2 Nd4 21. Bg4 Qc7 22. f4 b5 23. e5 Qa5 (23... bxa4 $16 24. Qxa4 a5) 24. Bxd4 $1 $18 cxd4 25. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} d3 26. c6 b4 (26... bxa4 {ist wohl besser.} 27. Rb7 Rab8) 27. Bf3 g5 28. Qc4 {Droht stark c7.} (28. fxg5 $6 Bxe5 29. Qc4 Qb6+ 30. Kh1 a5 $18) 28... gxf4 29. c7 (29. Qxd3 $6 e6) (29. Rxb4 Bxe5 30. Kh1 d2 $16) 29... Rf8 30. d6 (30. Qxd3 Qxc7 31. d6 Qc5+ 32. Kh1 Rab8 $11) (30. Rxb4 Bxe5 31. d6 Rac8 $11) (30. Qxb4 Qxb4 31. Rxb4 Rac8 $14) 30... Rac8 31. Qxb4 Qxe5 {[#]} (31... Qxb4 $16 32. Rxb4 Bxe5) 32. Bb7 $1 {[%cal Rb7c8]} (32. dxe7 Rfe8 $15) 32... exd6 33. Bxc8 Rxc8 34. Kh1 d5 35. Rbc1 Bf8 36. Qd2 (36. Qxf4 Qxf4 37. Rxf4 d2 $15) 36... Qe3 (36... Rxc7 $142 37. Rxc7 (37. Qxd3 Rxc1 38. Rxc1 Bd6 $16) 37... Qxc7 38. Qxd3 Qc6) 37. Rfd1 Bd6 38. Qxd3 a5 $2 (38... Rxc7 39. Rxc7 (39. Qxd5 Rxc1 40. Qg5+ Kf8 $11) 39... Bxc7 40. Qxa6 f3 41. Qc8+ Kg7) 39. Qa6 Qe6 40. Qd3 $2 (40. Qxa5 $18 Kf8 41. Re1) 40... Rxc7 $2 {[%mdl 8192]} (40... Qe3 $1 $11) 41. Rxc7 Bxc7 42. Qxd5 $11 {[%mdl 4096] Endspiel KDT-KDL} Qe3 43. h3 Qg3 {zielt auf ...f3 ab.} 44. Qf3 Kg7 45. Rc1 Bd6 46. Rd1 Bc7 $1 47. Rc1 Bd6 $1 48. Rd1 $2 {Precision: Weiß = 61%, Schwarz = 43%.} ({Besser ist} 48. Qxg3+ $18 fxg3 49. Rd1) 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Bluebaum, Karl Ernst"]
[Black "Korchmar, Vasiliy"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2253"]
[BlackElo "2415"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,145,49,10,5,-8,-19,-9,-18,-54,-22,-143,-25,-27,-14,-57,0,-35,-29,-29,-35,-47,-33,-60,-60,-63,-63,-57,-72,-81,-70,-58,-71,-95,-28,-58,7,-17,61,61,61,61,61,61,64,64,70,4,7,7,0,2,9,0,0,0,0,0,0,-30,-31,-52,-51,-112,-65,-65,-65,-66,-66,-66,-65,-71,-70,-141,-134,-134,-135,-148,-122,-587,-578,-556,-208,-239,-102,-102,-79,-97,-8,-11,-8,-86,-86,-77,-8,-10,-9,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,8,0,0,0,8,-8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. b4 c6 9. a4 Bd6 10. Qc2 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Bc3 Re8 14. Nbd2 Nxf3+ 15. Bxf3 Bh3 {½-½ (58) So,W (2778)-Karjakin,S (2782) Stavanger 2018}) 6. Nc3 {E01: Catalan: Early deviations} O-O 7. Bg2 Nbd7 8. O-O {LiveBook: 3 Games. White is slightly better.} (8. c5 $5 {[%cal Rc5d6]} Be7 9. O-O $11) 8... dxc4 9. Nb5 $146 ({Predecessor:} 9. e4 e5 10. Bg5 h6 11. Bxf6 Qxf6 12. Nd5 Qd8 13. dxe5 Nxe5 14. Nxe5 Bxe5 {0-1 (28) Paikidze,N (2355)-Vorontsov,P (2492) Las Vegas 2017}) 9... a6 10. Nxd6 cxd6 11. Bb4 Qb6 12. Qa4 (12. Ba3 $11) 12... Re8 (12... a5 $1 $17 13. Bd2 Qa6) 13. b3 cxb3 14. axb3 Nf8 (14... e5 $15) 15. Rfc1 (15. Ba5 $5 {[%cal Ra5b6]} Qa7 16. Rfc1 $11) 15... Bd7 16. Qa3 d5 17. Ba5 Qa7 $1 18. Rc7 Rec8 19. Rac1 Rxc7 20. Rxc7 Ne8 21. Rc2 b6 22. Bb4 Ng6 23. h4 h5 (23... a5 $17 24. Bd2 Bb5) 24. e4 Nf6 ({Black should play} 24... a5 $15 25. Bd2 a4) 25. e5 Ne8 (25... Ne4 $11) 26. Qc1 $14 a5 27. Ba3 $1 a4 28. bxa4 Qxa4 29. Rc3 Bb5 30. Qe3 (30. Qb1 $14) 30... Bc4 $36 {[%mdl 2048] Black is pushing.} 31. Ng5 Qd1+ 32. Kh2 Qe2 $1 33. Bf3 Qxe3 34. Rxe3 Nc7 35. Bxh5 Nb5 36. Bc1 Nxd4 37. Bxg6 fxg6 38. Ra3 (38. Bb2 $15 Nc2 39. Rc3) 38... Rxa3 (38... Rf8 {keeps more tension.} 39. Be3 Nc2 40. Ra7 d4 41. Bf4 b5) 39. Bxa3 $17 {[%mdl 4096] Endgame KBN-KBN} Nc2 40. Bb2 $1 d4 41. Nf3 d3 42. Nd2 Bd5 43. f4 (43. Kh3 $15) 43... b5 44. Kg1 Kf7 45. Kf2 Ke7 46. Nf3 $2 {[%mdl 8192]} (46. Nf1 $17 {is more resistant.}) 46... Bxf3 $1 $19 47. Kxf3 {If only White now had time for Bc1.... KB-KN} Kd7 $2 (47... b4 48. Bc1 b3) 48. Bc1 Kc6 (48... Nd4+ $19 {and Black stays clearly on top.} 49. Ke3 Ne2) 49. Ke4 $17 {[#]} Nb4 $1 50. Kd4 Nd5 (50... Na6 $17 {...Nc5 is the strong threat.} 51. Kxd3 Nc5+ 52. Kc2 Kd5) 51. Bd2 Ne7 {next ...Nf5+ is good for Black.} 52. g4 {[#]} (52. Kxd3 $11 {remains equal.} Nf5 53. Be1) 52... Ng8 $1 53. Kxd3 Kd5 (53... Kc5 $17) 54. h5 {The position is equal.} gxh5 55. gxh5 {Black should prevent Bb4.} Nh6 56. Bb4 {Strongly threatening Bf8.} Nf5 57. Bf8 {Threatens to win with Bxg7!} Ng3 58. h6 gxh6 59. Bxh6 Ne4 60. Bf8 Nc5+ 61. Kc3 Nd7 62. Be7 Kc6 63. Kd4 Nb6 64. Ke4 Nd5 65. Bf8 Nc3+ 66. Kd3 Na4 67. Kd4 Nb6 68. Ke4 Nd7 69. Be7 Nb6 70. f5 Nd5 71. Bf8 {And now f6 would win.} exf5+ 72. Kxf5 b4 73. Bxb4 {Precision: White = 33%, Black = 49%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Pulkkinen, Kari"]
[Black "Fenil, Shah"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2242"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,76,69,62,-4,5,-4,2,16,0,-15,-7,-4,-5,-18,-13,-54,0,-124,0,-15,-11,-45,-58,-295,-197,-287,-211,-283,-290,-279,-264,-247,-4,-317,141,43,0,-21,-40,-45,-31,-387,-396,-382,-381,-685,-143,-144,-157,-145,-134,-253,-231,-312,-312,-604,-604,-598,-584,-1233,-1226]} 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} Ne5 8. Qg3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 9. Bf4 d6 {LiveBook: 14 Games} 10. O-O-O $146 (10. Bg5 $14) ({Predecessor:} 10. Bg5 b5 11. a3 Ng6 12. h4 Rb8 13. Be2 Nf6 14. O-O Bb7 15. Bxf6 gxf6 16. Nxe6 fxe6 17. Qxg6+ {1-0 (75) Bacrot,E (2725)-Saric,I (2669) Riadh 2017}) 10... h4 $11 11. Qe3 Bd7 12. h3 b5 13. a3 Rb8 14. Bh2 Be7 15. f4 Nc4 16. Bxc4 bxc4 17. f5 (17. e5 $1 $11 {keeps the balance.}) 17... Qb6 (17... e5 $1 $17 18. Nd5 Qb7) 18. fxe6 fxe6 ({Not} 18... Qxb2+ $2 19. Kd2 $18) 19. e5 $1 {[%cal Re5d6]} d5 $36 {[%mdl 2048] Black has the initiative.} 20. Nxd5 $2 (20. Rhf1 $1 $15) 20... exd5 21. e6 (21. Qc3 {keeps fighting.} Be6 22. Rhf1) 21... Qxb2+ $19 22. Kd2 Ba4 23. Bxb8 Qxb8 24. Rb1 Qd8 $2 (24... Qc7 $1 $19 {aiming for ...Nf6.} 25. Nf5 Nf6 26. Nxe7 Kxe7) 25. Ke2 $2 {[%mdl 8192]} (25. Nf5 $11 {and White stays safe.} Qc7 26. Rb6) 25... Rh5 $2 {[#]} (25... Qc7 $19 {And now ...Nf6 would win.} 26. Kd1 Nf6) 26. Qf4 (26. g4 $1 $16 {Strongly threatening Qf4.} hxg3 27. Qxg3) 26... Bf6 $1 $14 {White must now prevent ...Re5+.} 27. Nf5 {[#]} ({But not} 27. Rb7 $2 Re5+ 28. Kf1 Nh6 $19) 27... Rxf5 $1 {[%mdl 512]} 28. Qxf5 {Threatens to win with Rb7.} Qd6 {...Ne7 is the strong threat.} 29. Rhd1 $2 {[%mdl 8192]} ({White should play} 29. Kd1 $15 Nh6 30. Qh5+ Kd8 31. Re1) 29... Ne7 $19 30. Qh7 {Intending Qh8+ and mate.} Qxe6+ 31. Kf2 $2 (31. Kf1 Qf5+ 32. Qxf5 Nxf5 33. Kf2) 31... Qf5+ $2 (31... g6 $19 32. Rbc1 {[#]} Bd4+ $1 {[%mdl 512]} 33. Rxd4 Qf6+ 34. Ke2 Qxd4) 32. Qxf5 $17 Nxf5 33. Rxd5 Bxc2 34. Rb8+ (34. Re1+ $17 Kf7 35. Rd7+ Ne7 36. Rc7) 34... Kf7 $19 35. Rc8 c3 36. Rd7+ $2 (36. Ke1) 36... Ke6 {Black is clearly winning.} 37. Rdc7 Nd6 38. Rxc3 Bxc3 {Precision: White = 20%, Black = 56%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Semjonovs, Ilja"]
[Black "Wenninger, Philipp"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2242"]
[BlackElo "2408"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,85,12,16,16,20,10,7,11,15,15,12,26,19,5,13,0,4,0,0,0,4,0,9,4,26,0,21,30,89,83,83,50,92,75,80,74,66,31,45,31,34,22,25,31,42,45,100,95,84,97,123,122,138,103,93,100,89,41,50,61,54,41,68,89,108,112,118,14,649,635,630,554,836,815]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. Na3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (7. O-O Nf6 8. Qe1 Bxe2 9. Qxe2 g6 10. f4 Bh6 11. Nd2 O-O 12. Qf2 e6 13. Qh4 Bg7 14. Nf3 Ne7 {1-0 (49) Piorun,K (2651)-Rodshtein,M (2699) Katowice 2017}) 7... a6 {LiveBook: 4 Games} 8. Nc2 e6 9. f3 {The position is equal.} Bh5 10. Bf4 Bd6 11. Qd2 Nge7 $146 ({Predecessor:} 11... Bg6 12. Bxd6 Qxd6 13. Nf4 Nge7 14. O-O Na5 15. Nxg6 hxg6 {½-½ (58) Jozefini,L (2039)-Gierth,K (2225) ICCF email 2012}) 12. Bxd6 Qxd6 13. O-O Bg6 14. Rfe1 Rc8 15. Ne3 O-O 16. Bxg6 Nxg6 17. Nc1 Rfe8 18. Nd3 b6 19. Ng4 Re7 20. Qf2 h5 {[#]} (20... Na5 $11 {keeps the balance.}) 21. Ne3 $1 $16 Nf8 22. Qh4 g6 23. f4 b5 24. a3 Rec7 25. h3 Qd8 26. Qxd8 Rxd8 27. g4 hxg4 28. hxg4 Nd7 29. f5 Kg7 ({Black should try} 29... Nf6 $14) 30. fxe6 fxe6 31. Ng2 Nf8 32. Ngf4 {[#] aiming for Nc5.} Re7 33. Re2 g5 34. Nh5+ Kg6 35. Rae1 Rde8 36. Ng3 Nd7 37. Nb4 Nxb4 38. axb4 {Nf5! is the strong threat.} e5 39. Nf5 $36 {[%mdl 2048] White is really pushing.} Re6 40. Rh2 (40. Kg2 $16) 40... Rf6 $2 {[%mdl 8192]} (40... Nf6 $11 41. Rh6+ Kf7) 41. Rh6+ $18 {White is clearly winning.} Kf7 42. Nd6+ Ke7 {White must now prevent ...Kxd6.} 43. Rxf6 {Precision: White = 61%, Black = 49%.} 1-0

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Kretainis, Kristaps"]
[Black "Seeman, Tarvo"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2235"]
[BlackElo "2405"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,63,-7,19,0,-18,-34,-29,-44,-33,-29,-15,-47,-36,-47,-31,-31,0,-45,-31,-49,-43,-70,-69,-73,-76,-75,-65,-68,-62,-66,-46,-96,-43,-94,0,0,6,6,20,26,27,23,28,29,29,0]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. O-O Bg4 7. h3 Bxf3 8. Qxf3 Nc6 {B06: Modern Defence} 9. c3 e5 10. Bb5 (10. d5 Ne7 11. Bd3 Nd7 12. c4 f5 13. Qd1 c6 14. Nc3 cxd5 15. cxd5 {0-1 (57) Anand,V (2759)-Nakamura,H (2769) Paris 2018}) 10... Nd7 {LiveBook: 4 Games. The position is equal.} 11. Bxc6 bxc6 12. dxe5 $146 ({Predecessor:} 12. Rd1 Rb8 13. Na3 exd4 14. cxd4 c5 15. Nc2 Qe7 16. Qe3 {0-1 (25) Radlovacki,J (2305)-Kadric,D (2509) Jahorina 2018}) 12... Nxe5 13. Qe2 Re8 14. Be3 Qb8 15. b3 Qb5 16. c4 Qb7 {[#] aiming for ...Nxc4!} 17. Nc3 c5 18. Nd5 Nd7 19. Rae1 Rxe4 20. Qd2 Nb6 21. Bg5 Rxe1 22. Rxe1 Nxd5 23. Qxd5 Qxd5 24. cxd5 $17 {[%mdl 4096] Endgame KRB-KRB} Rc8 25. Re7 h6 (25... Kf8 $17 {Strongly threatening ...h6.} 26. Rd7 Bc3) 26. Bd2 {[#]} (26. Be3 $15) 26... a6 (26... Kf8 $1 $17 {[%cal Rf8e7]} 27. Re1 c6) 27. Rd7 $11 Re8 28. Kf1 Re5 29. Rxc7 Rxd5 {White has an edge.} 30. Ke2 Re5+ $1 31. Kd3 Rd5+ 32. Ke2 {Precision: White = 31%, Black = 53%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Petrov, Dmitri"]
[Black "Kreisl, Robert"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2233"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,16,0,9,0,0,-44,-44,-54,-35,-66,-35,-35,-35,-35,-36,-34,-36,-36,-33,-34,-33,-32,-8,-22,-7,-14,11,-70,-28,-50,0,0,0,0,89,-545,-531,-1061,-1013,-1073,-1074,-1066,-1064,-1056,-1035,-1116,-1085,-29997,-29998]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. d4 cxd4 5. Qxd4 a6 6. Bxc6+ {B53: Sizilianisch (Ungarische Variante)} bxc6 7. c4 (7. O-O e5 8. Qe3 Ne7 9. Rd1 Qc7 10. b3 Ng6 11. c4 Be7 12. Nc3 O-O 13. Ba3 d5 14. Bxe7 {½-½ (26) Xiong,J (2655)-Li,R (2583) Philadelphia 2018}) 7... e5 8. Qd3 {LiveBook: 22 Partien. Die Stellung ist ausgeglichen.} Ne7 9. O-O Ng6 10. c5 $146 ({Vorgänger:} 10. Nc3 Be6 11. Be3 Be7 12. Rad1 Bg4 13. Bc1 Nh4 14. Nxh4 Bxd1 {1-0 (30) Gunina,V (2507)-Kursova,M (2278) Tbilisi 2018}) 10... d5 $1 11. exd5 Qxd5 (11... Bxc5 $6 12. Qc2 $11) 12. Qe2 Bxc5 13. Rd1 Qe6 14. Qc2 Be7 15. Ng5 Bxg5 $1 16. Bxg5 {[%csl Gg5][%cal Rd1d8]} O-O 17. Nd2 Qg4 18. Be3 Rb8 19. b3 Nh4 {[%csl Gh4][%cal Rg4g2]} 20. Qe4 $1 Qh5 21. Nc4 (21. Nf1 $11) 21... Bg4 $36 {[%mdl 2048] Schwarz hat Initiative.} 22. Rd6 Rfe8 {zielt auf ...Sf3+! ab.} 23. h3 ({Nicht} 23. Rxc6 $2 Nf3+ $1 {[%mdl 512]} 24. Kf1 (24. gxf3 $2 Bxf3 25. Qxf3 Qxf3 $19) 24... Nxh2+ 25. Ke1 Nf3+ $1 {[%mdl 512]} 26. gxf3 Bxf3 $19) (23. Qxc6 $2 Bf3 $1 $19 {[%mdl 512]}) 23... Bf5 24. Qxc6 e4 (24... h6 $11) 25. Rad1 $2 {[%mdl 8192] [#]} ({Aber nicht} 25. Qxa6 $2 {[#]} Nxg2 $1 {[%mdl 512]} 26. Rb6 Nh4 $19) (25. Rd5 $16 {ist erzwungen, um die Oberhand zu behalten.}) 25... Nxg2 $1 $19 {[%mdl 512]} 26. Qxe8+ (26. Kxg2 Bxh3+) 26... Rxe8 27. Rd8 f6 28. Rxe8+ Qxe8 29. Kxg2 {[#]} Bxh3+ $1 {[%mdl 512]} 30. Kh2 (30. Kxh3 Qh5+) 30... Bg4 31. Rg1 Qh5+ {Precision: Weiß = 38%, Schwarz = 62%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Volotovsky, Kirill"]
[Black "Schekachikhin, Maksim"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2228"]
[BlackElo "2392"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,92,18,15,20,13,40,-23,-9,-30,-29,-18,-4,-45,0,5,214,205,160,168,155,65,59,58,138,144,132,131,149,143,122,97,133,121,138,135,130,97,150,157,215,215,275,233,241,234,224,213,288,290,302,300,287,280,277,261,269,249,245,209,212,121,114,74,74,29,101,0,91,87,83,0,91,0,87]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 {B12: Caro-Kann (Vorstoß-Variante)} Qb6 (7... Be7 8. Nf3 Nh6 9. Nc3 Nd7 10. Ne2 c5 11. Nf4 cxd4 12. Nxh5 Qa5+ 13. Bd2 Qb6 14. Nxg7+ Kf8 {0-1 (41) Saric,I (2664)-Le,Q (2737) chess.com INT 2018}) 8. Nd2 Qa6 9. c4 Bb4 10. b3 Ne7 11. Ngf3 {LiveBook: 7 Partien} Nf5 12. O-O Nd7 13. a4 $146 (13. Rfd1 $14) ({Vorgänger:} 13. Rfc1 O-O 14. a3 Bxd2 15. Qxd2 {½-½ (42) Cornette,M (2600)-Feller,S (2574) Brest 2018}) 13... O-O 14. a5 c5 {Und ...cxd4 würde nun gewinnen.} 15. Ra4 $1 Rac8 16. Rd1 Bxa5 17. Qb1 dxc4 $2 (17... Qb6 $1 $11) 18. Nxc4 $18 b6 19. d5 {Droht dxe6 und aus.} Qb7 20. Nxa5 (20. Be3 $16) 20... bxa5 $14 21. Rxa5 Rb8 (21... Rc7 $14) 22. dxe6 $1 $16 fxe6 23. Qa2 Nb6 24. Rxa7 Qe4 25. Rc7 Ra8 26. Qd2 Rfc8 27. Rxc8+ Rxc8 28. Rc1 Nd5 ({Besser ist} 28... Qd5) 29. Qa5 {zielt auf Da6 ab.} Qb4 {[#]} (29... Nd4 $16) 30. Qa6 $1 $18 {[%cal Ra6e6]} Nb6 31. Qd3 Nd5 {[#]} 32. Bd2 $1 {[%cal Rd2b4]} Qb7 33. Qc4 Nfe7 34. Ng5 Qd7 35. Qe2 g6 36. Ne4 Qa7 37. Qb5 Nf5 {[%cal Be7f5,Bf5d4,Bd4b3][%mdl 32]} 38. Bg5 ({Viel schwächer ist} 38. Rxc5 Rxc5 39. Nxc5 (39. Qxc5 Qa1+ 40. Qc1 Qxc1+ 41. Bxc1 Nxh4 $16) 39... Qa1+ 40. Kh2 Qxe5+ 41. f4 Qf6 $16) 38... Nd4 39. Qc4 Qa2 40. Kf1 (40. Kh2 $18) 40... Qxb3 $16 41. Qxb3 ({Minderwertig wäre} 41. Nxc5 Qxc4+ 42. Rxc4 Nb3 $17) 41... Nxb3 42. Rc4 Rb8 (42... Nb6 $11 {bleibt in der Remisbreite.} 43. Rc3 c4) 43. g3 ({Schwächer ist} 43. Nxc5 Rc8 $17) ({Lieber} 43. Ra4 $16) 43... Nb6 (43... Rb4 $11 {hält das Gleichgewicht.} 44. Nd6 Rxc4 45. Nxc4 Nd4) 44. Rc3 Nd5 45. Rc4 Nb6 46. Rc3 Nd5 {Precision: Weiß = 48%, Schwarz = 37%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Kholopov, Alexander A"]
[Black "Akesson, Ralf"]
[Result "0-1"]
[ECO "D98"]
[WhiteElo "2220"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,10,-2,36,39,43,27,34,25,33,28,23,32,29,0,2,0,1,1,15,25,15,0,0,-17,-89,-59,-59,-146,-108,-131,-6,-175,-64,-367,-349,-915,-892,-29997,-29998,-29998,-29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qa4+ Bd7 5. Qb3 dxc4 6. Qxc4 Bg7 7. e4 O-O 8. Nf3 Bg4 9. Ne5 Be6 {D98: Grünfeld: Russian System: 7 e4 Bg4} 10. d5 Bc8 11. Be2 {LiveBook: 8 Games} Nbd7 $146 {The position is equal.} (11... e6 {is more complex.} 12. Bf4 exd5 13. exd5 Ne8 14. O-O Nd6) ({Predecessor:} 11... e6 12. O-O exd5 13. exd5 Ne8 14. Bf4 Nd6 15. Qd3 Re8 16. Nc4 Na6 17. Nxd6 cxd6 {½-½ (72) Kantsler,B (2524)-Ivanchuk,V (2731) Panormo 2001}) 12. Nxd7 Nxd7 13. O-O Nb6 14. Qb3 e6 15. Rd1 exd5 16. exd5 Re8 {[#] Threatens to win with ...Bxc3.} 17. Bf1 Bg4 18. f3 Bf5 19. Bf4 Be5 20. Bxe5 Rxe5 21. Rac1 {[%cal Ba1c1,Bc1c7,Bc7b7][%mdl 32]} Qg5 $36 {[%mdl 2048] Black is more active.} 22. Nb5 Rxd5 23. Rxc7 Be6 {...Rd2 is the strong threat.} 24. Rxd5 (24. Re1 $1 $15) 24... Nxd5 $17 25. Rxb7 {[#]} Ne3 (25... Nf4 $1 $17 26. Qc3 Nh3+ 27. Kh1 Nf2+ 28. Kg1 Nh3+ 29. Kh1 Nf2+ 30. Kg1 Nh3+) 26. Qb4 $2 (26. h4 $1 $11 Qf4 27. Qd3) 26... Nxg2 ({Better is} 26... Nxf1 $19 27. Kxf1 Rc8) 27. Kf2 $2 {[%mdl 8192]} ({White has to play} 27. Qe7 $15 Qd2 28. Qd6) 27... Ne3 28. Nd4 $2 (28. Nd6 Rd8 29. Rb8) 28... Rd8 $19 {Strongly threatening ...Nd1+.} (28... Bd5 29. Rb8+ Rxb8 30. Qxb8+ Kg7 31. Be2 $17) 29. Nxe6 Nd1+ ({Not} 29... fxe6 30. Be2 $11) 30. Ke1 Qe3+ {Precision: White = 26%, Black = 55%.} 0-1

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Chibukhchyan, Erik"]
[Black "Hansen, Mads"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2214"]
[BlackElo "2387"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,86,0,3,-14,-16,-25,-16,-25,-25,-26,-17,-26,17,10,11,14,15,12,24,24,43,35,57,17,59,43,84,75,111,109,95,31,32,31,35,0,0,-33,-16,-17,26,16,84,21,17,-48,-37,-48,-35,-57,-56,-50,-47,-45,-41,-69,0,0,-1,-90,-101,-1256,-393,-395,-378,-360,-93,-90,0,0,0,-88,0,0,0]} 1. Nf3 Nf6 2. e3 d5 3. b3 Bf5 4. Bb2 h6 5. c4 e6 6. Be2 {A06: Réti Opening:1 Nf3 d5} (6. Nc3 c6 7. Be2 Be7 8. O-O O-O 9. d3 Bh7 10. Qc2 a5 11. Rad1 Na6 12. a3 {½-½ (45) Vachier Lagrave,M (2793)-Aronian,L (2797) Caleta 2018}) 6... Bd6 7. O-O O-O {LiveBook: 5 Games} 8. cxd5 exd5 9. d3 $146 ({Predecessor:} 9. Nc3 c6 10. d3 Re8 11. Re1 Bh7 12. a3 Nbd7 13. Bf1 a5 {1-0 (38) Aravindh,C (2496)-Dragnev,V (2151) Durban 2014}) 9... Nbd7 10. Nbd2 {[%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} Re8 11. Re1 a5 12. a3 Ne5 (12... c6 {looks sharper.} 13. Nd4 Bg6 14. h3 Nh7 15. Qc2 Ng5) 13. Nxe5 Bxe5 14. Bxe5 Rxe5 15. Nf3 Re7 16. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Qd6 17. Nd4 Bd7 18. Qb3 h5 19. Qc3 h4 20. Rec1 Ne8 21. b5 Qg6 22. a4 ({White should play} 22. Bf3 $16) 22... Bh3 $1 $14 {[%csl Gh3][%cal Rg6g2]} 23. g3 $1 Nf6 24. Qd2 (24. Bf3 {seems wilder.} Rae8 25. Qxa5 hxg3 26. hxg3 Rxe3 27. Qxc7 Rxd3 28. Qf4) 24... Rae8 25. Bf1 (25. Qxa5 hxg3 26. hxg3 Rxe3 $1 $19 {[%mdl 512]}) 25... Bxf1 26. Rxf1 Ng4 {aiming for ...hxg3.} 27. Nf3 Qh5 (27... hxg3 $11 {keeps the balance.} 28. hxg3 Re6) 28. Kg2 (28. gxh4 $2 Ne5 $17) (28. Nxh4 $16 Re6 29. h3 (29. Qxa5 g5 $15)) 28... Re6 29. h3 (29. gxh4 $2 Rf6 $19) ({Better is} 29. Nxh4 $11 g5 30. Nf3) 29... Ne5 $1 $15 30. Nxe5 Qxe5 31. Rae1 Rg6 $36 {[%cal Rh4g3][%mdl 2048] Black has some pressure.} 32. g4 f5 33. f4 Qd6 34. Qd1 Rge6 ({Black should try} 34... Qd7 $15 35. g5 Rge6) 35. Qf3 $11 Qc5 {[%cal Re6e3]} 36. Rc1 (36. d4 $1 $11 fxg4 37. hxg4) 36... Qxe3 $17 37. Rxc7 $2 {[%mdl 8192]} (37. Qxe3 $17 Rxe3 38. Rf3) 37... Qd4 $2 (37... Qd2+ 38. Kg1 Re3) 38. gxf5 $19 Re3 $1 {[%cal Re3f3]} 39. f6 {[#]} Qxf6 $2 (39... Kf8 $1 $19 {and Black stays clearly on top.} 40. f7 (40. fxg7+ $2 Kg8 $19) 40... R8e6 41. Rc8+ Kxf7) 40. Qxd5+ $17 Kh7 41. Qh5+ Kg8 42. Qd5+ {[#]} Kh7 (42... R8e6 $1 $17 {( -> ...Qb2+)} 43. Rc8+ Kf7 44. Rc7+ (44. Qxb7+ Kg6 $17) 44... Kg6) 43. Qh5+ $11 Kg8 {Precision: White = 41%, Black = 47%.} 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Nilssen, Ellen Fredericia"]
[Black "Rostgaard, Tobias Valentin"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2060"]
[BlackElo "2386"]
[Annotator "NA"]
[PlyCount "86"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:01]} e6 {[%emt 0:00:15]} 3. g3 {[%emt 0:00:15]} d5 {[%emt 0:00:25]} 4. d4 {[%emt 0:00:17]} Bb4+ {[%emt 0:00:24]} 5. Bd2 {[%emt 0:02:45] E01: Catalan: Early deviations} Bd6 {[%emt 0:03:32]} (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. b4 c6 9. a4 Bd6 10. Qc2 e5 11. cxd5 cxd5 12. dxe5 Nxe5 13. Bc3 Re8 14. Nbd2 Nxf3+ 15. Bxf3 Bh3 {½-½ (58) So,W (2778)-Karjakin,S (2782) Stavanger 2018}) 6. Bg2 {[%emt 0:03:50]} c6 {[%emt 0:00:26]} 7. Qc2 {[%emt 0:03:31]} Ne4 {[%emt 0:03:08]} 8. O-O {[%emt 0:04:01]} O-O {[%emt 0:01:05]} 9. b3 {[%emt 0:05:49]} Nd7 {[%emt 0:02:52]} 10. Bc3 {[%emt 0:01:56]} f5 {[%emt 0:01:45]} 11. Bb2 {[%emt 0:02:01]} Qf6 $146 {[%emt 0:01:48]} ({Predecessor:} 11... b6 12. Nbd2 Bb7 13. Ne5 Nxe5 14. dxe5 Bc5 15. Rad1 Qe7 {0-1 (48) Denishev,M (2333)-Sarana,A (2464) Moscow 2017}) 12. Nbd2 {[%emt 0:02:35]} Qh6 {[%emt 0:03:47]} 13. Rad1 {[%emt 0:15:25]} Ndf6 {[%emt 0:02:22]} 14. Ne5 {[%emt 0:02:02]} Bd7 {[%emt 0:16:21]} 15. Bc1 {[%emt 0:05:16]} Qh5 {[%emt 0:00:23]} 16. Bf3 {[%emt 0:04:34]} Qe8 {[%emt 0:00:09]} 17. Nxe4 {[%emt 0:01:51]} fxe4 {[%emt 0:02:05]} 18. Bg2 {[%emt 0:00:07]} Bxe5 {[%emt 0:05:57]} 19. dxe5 {[%emt 0:00:08]} Ng4 {[%emt 0:00:09]} 20. Bf4 {[%emt 0:04:26]} Qh5 $16 {[%emt 0:16:40]} (20... Qg6 $142) 21. h3 {[%emt 0:01:30]} Nxe5 {[%emt 0:00:38]} 22. g4 {[%emt 0:00:43]} Nxg4 {[%emt 0:00:06]} 23. hxg4 {[%emt 0:00:03]} Qxg4 {[%emt 0:00:08]} 24. Bd6 {[%emt 0:04:43]} Rf5 {[%emt 0:03:43]} 25. f3 {[%emt 0:00:56]} Qg5 {[%emt 0:08:12]} 26. Qc1 {[%emt 0:05:31]} Qg6 {[%emt 0:05:42]} 27. fxe4 {[%emt 0:01:41]} Rg5 {[%emt 0:00:55]} 28. Rf2 {[%emt 0:00:31]} e5 {[%emt 0:00:34]} 29. Be7 {[%emt 0:03:40]} Rg3 {[%emt 0:00:33]} 30. Rd3 {[%emt 0:01:19]} Re8 {[%emt 0:02:25]} 31. Qf1 {[%emt 0:03:45]} h6 {[%emt 0:04:42]} 32. Rf8+ {[%emt 0:01:07]} Rxf8 {[%emt 0:02:10]} 33. Qxf8+ {[%emt 0:00:10]} Kh7 {[%emt 0:00:04]} 34. Rxg3 {[%emt 0:00:55]} Qxg3 {[%emt 0:00:05]} 35. Qf2 {[%emt 0:00:10]} Qxf2+ {[%emt 0:01:06]} 36. Kxf2 {[%emt 0:00:08]} dxc4 {[%emt 0:00:05]} 37. bxc4 {[%emt 0:00:54]} Kg6 {[%emt 0:02:40]} 38. Kg3 {[%emt 0:03:02]} Be6 {[%emt 0:00:47]} 39. c5 {[%emt 0:04:49]} Bxa2 {[%emt 0:00:06]} 40. Bd8 {[%emt 0:00:40]} Be6 {[%emt 0:04:43]} 41. Bf3 {[%emt 0:04:21]} Kf7 {[%emt 0:03:21]} 42. Bc7 {[%emt 0:01:01]} Kf6 {[%emt 0:01:51]} 43. Bd8+ {[%emt 0:00:08]} Kf7 1/2-1/2

[Event "8th RTU Open 2018"]
[Site "Riga"]
[Date "2018.08.07"]
[Round "2"]
[White "Gokcek, Kursat Bugra"]
[Black "Saveliev, Alexei"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1989"]
[BlackElo "2382"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.08.06"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,92,61,64,107,107,116,110,109,57,70,0,27,20,19,0,0,0,44,45,38,0,62,32,28,16,40,0,0,0,0,12,25,10,10,8,35,27,56,-122,-126,-140,54,-45,-28,-173,-159,-189,-189,-237,-231,-243,-251,-437,-268,-698,-698,-1052,-480,-485,-485,-485,-475,-460,-453,-481,-449,-829,-822,-791,-762,-954,-954,-4133,-1572,-29987,-29988]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Qe2 d6 7. c4 Be7 8. O-O Qc7 9. Nc3 b6 {B42: Sicilian: Kan Variation: 5 Bd3} 10. f4 {LiveBook: 12 Games} h5 $146 ({Predecessor:} 10... Nbd7 11. Kh1 O-O 12. Bd2 Bb7 13. Rae1 Rfd8 14. b4 Rac8 15. a3 Bf8 16. Rc1 g6 17. f5 Re8 18. fxe6 fxe6 19. e5 dxe5 {0-1 (34) Sethuraman,S (2576)-Yu,Y (2667) Sharjah 2014}) 11. f5 Ng4 {White is better.} 12. fxe6 fxe6 13. Nf3 (13. e5 $16 {Hoping for Bg6+.} Qc5 14. Qe4) 13... Nd7 14. Bf4 (14. h3 $14) 14... g5 15. Bd2 {[%cal Bf4d2,Bd2e3,Be3d4][%mdl 32]} Nde5 16. Rae1 (16. Bxg5 Bxg5 17. Nxg5 Qc5+ 18. Kh1 Nxd3 $17) 16... Bd7 17. Kh1 (17. Bxg5 $2 Bxg5 18. Nxg5 Nxd3 $17) 17... Nxf3 18. gxf3 ({Of course not} 18. Rxf3 Ne5 $11) 18... Ne5 19. Be3 Bf6 (19... Rg8 $11) 20. Bd4 O-O-O 21. b4 Rhf8 22. a4 (22. Rd1 $5 {[%cal Rc4c5]}) 22... g4 23. f4 $1 {[%cal Rf4e5]} Nf3 24. Bxf6 Rxf6 25. Rc1 Kb8 ({Don't go for} 25... Rxf4 $2 26. Nd5 $1 $18 {[%mdl 512]}) 26. Qe3 Bc8 27. a5 bxa5 28. bxa5 $2 {[#]} (28. Rb1 $1 $14 {was the only good move.}) 28... Qc5 $1 $36 {[%cal Rc5e3][%mdl 2048] Black is in control.} 29. Rb1+ {[#]} Ka7 $2 ({Black should try} 29... Bb7 $1 $17 30. Qc1 Rf7) 30. Qc1 (30. Qe2 $1 $14 Rxf4 31. Na4 (31. Qb2 Qc7 $14)) 30... Rf7 $15 31. Na4 (31. Be2 $11 {and White stays safe.}) 31... Qd4 $19 32. Qc2 Bb7 33. Nc3 Rc8 34. Rfd1 Qe3 35. Rb6 $2 (35. Qc1 Qxc1 36. Rdxc1) 35... h4 36. Rxd6 $2 (36. Qc1 Qxc1 37. Rxc1) 36... g3 {aiming for ...Ne1.} 37. Qb2 Nxh2 (37... Kb8 $142 38. Rb1 Nd2) 38. Qb6+ Qxb6 39. axb6+ Kb8 40. Be2 Rxf4 41. Rxe6 Rf2 42. c5 (42. Red6 $142 Bxe4+ 43. Nxe4 Rxe2 44. Ng5) 42... Nf3 43. Bxf3 Rxf3 44. Nd5 h3 45. Rh6 g2+ 46. Kh2 Rf1 {Precision: White = 25%, Black = 52%.} 0-1

