[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "1.1"]
[White "Francs, Marats"]
[Black "Sveshnikov, Vladimir"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "1617"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,98,57,0,0,-10,0,-44,-48,-45,-50,-47,-34,-134,-130,-117,-40,-38,-53,-62,-19,-62,-67,-72,-51,-72,-53,-70,-15,-103,-80,-92,-100,-95,-94,-80,-86,-84,-58,-68,-68,-170,-164,-188,-183,-196,-197,-207,-192,-159,0,-198,-195,-345,-327,-397,-382,-380,-377,-389,-373,-520,-430,-425,-411,-742,-927,-902,-899,-796,-818,-872,-862,-902,-589,-717,-660,-1265,-658,-5823,-5816,-5820,-5293,-29992,-29993,-29994,-29992,-29994,-29993,-29993,-29994]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 5. Nxe5 c6 6. c4 (6. Be2 $14) 6... Nb4 $1 $11 {B04: Alekhine's Defence: 4 Nf3.} 7. Be3 Bf5 $1 8. Nd3 (8. Na3 {feels hotter.} Nd7 9. Qb3 e6 10. Be2 Nxe5 11. dxe5 Qa5 12. O-O) 8... e5 $1 {[%cal Re5d4] Black is slightly better.} 9. Nxb4 Bxb4+ 10. Nc3 Qa5 11. Qb3 (11. Qc1 $1 $15) 11... exd4 $1 $17 12. Bxd4 O-O (12... Na6 $1 $17 13. O-O-O O-O-O) 13. Be2 $15 Na6 14. O-O Rad8 15. Rad1 Bc5 {[#]} 16. Be5 $146 ({Predecessor:} 16. Bxc5 Nxc5 17. Qa3 Qxa3 18. bxa3 Bc2 19. Rxd8 Rxd8 20. Rc1 Bf5 21. Rd1 Rxd1+ 22. Bxd1 {½-½ (45) Danaci,T (1557)-Baycan,A (1842) Konya 2017}) 16... Bb6 17. Bd6 $1 {[%cal Rd6f8]} Rfe8 18. a3 Nc5 (18... Bg6 $1 $15) 19. Bxc5 (19. Qb4 $11 {keeps the balance.} Ne4 20. Qxa5 Bxa5 21. Nxe4 Rxe4 22. Bd3) 19... Rxd1 ({Much worse is} 19... Bxc5 $6 20. Qxb7 Bxa3 21. Rxd8 $11 (21. bxa3 Qxc3 22. Rxd8 Rxd8 $11)) 20. Qxd1 {Bd6 is the strong threat.} Qxc5 21. Na4 Qe5 22. Bf3 Bc7 $40 {[%csl Gc7][%cal Re5h2][%mdl 128] Black wants a kill.} 23. g3 Rd8 24. Qe1 Qf6 {And now ...Bc2 would win.} 25. Qc3 {[#]} ({White should try} 25. Qe3 $15) 25... Be5 $1 $19 {[%cal Re5c3]} 26. Qe3 Bd4 27. Qf4 g5 28. Qd2 {[#]} Bd3 $1 {[%mdl 512]} 29. Be2 (29. Qxd3 Bxf2+) 29... Bf5 {Strongly threatening ...Bxf2+!} 30. Bf3 {[#]} Be6 $1 {[%cal Re6c4]} 31. Qe2 {[#]} (31. Qc1 $142) 31... b5 $1 {[%mdl 512]} 32. cxb5 cxb5 {White must now prevent ...Bc4.} 33. Nc3 Bxc3 34. bxc3 Bc4 {[%mdl 64] Skewer} 35. Qe4 Bxf1 36. Kxf1 {[%mdl 4096] Endgame KQR-KQB} h6 37. c4 (37. Kg2 $142) 37... bxc4 38. Be2 c3 39. Bd3 Rd4 40. Qe3 Qd6 41. Bc2 Qc5 42. h3 Kg7 43. Kg2 Rd5 {( -> ...Qxe3)} 44. Qe4 {[#]} Rd2 $1 45. Qh7+ {[#]} Kf8 $1 46. Qxh6+ {[#]} Ke7 $1 {Black mates.} 47. Kf3 Rxc2 48. h4 Rxf2+ 49. Kg4 c2 {Accuracy: White = 47%, Black = 78%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "1.2"]
[White "Krivonosov, Oleg"]
[Black "Ozols, Andris"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2391"]
[BlackElo "1613"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,65,53,45,66,60,63,64,68,68,153,149,164,150,150,109,105,113,112,111,116,109,135,135,137,124,145,139,180,178,167,186,183,202,921,909,29987,29988,29988,29989,29989,29990]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. e4 d6 7. Be2 O-O 8. Be3 Bd7 9. O-O Nc6 10. Qd2 Ng4 11. Bxg4 Bxg4 12. f3 Bd7 13. Rfd1 Ne5 14. b3 Nc6 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} 15. Rac1 {[#]} b6 $146 ({Predecessor:} 15... Nxd4 16. Bxd4 Bc6 17. Bxg7 Kxg7 18. Qd4+ Kg8 19. Nd5 a6 20. c5 Bxd5 21. Qxd5 dxc5 22. Qxb7 {1-0 (83) Virzi,E (1974)-Villalba,F (1852) Milan 2012}) 16. Nd5 Ne5 {White is slightly better.} 17. Bh6 a5 (17... Nc6 $14 18. Bxg7 Kxg7) 18. Bxg7 $16 Kxg7 19. f4 Nc6 20. Nxc6 Bxc6 21. Qd4+ Kg8 22. Nxb6 Rb8 23. Nd5 a4 24. b4 Bxd5 25. cxd5 ({Reject} 25. exd5 $6 Rxb4 26. f5 Qb6 $11) 25... Qd7 26. Rc6 Qg4 27. Rf1 Qe2 28. a3 f5 29. e5 Qa2 $2 {[#]} (29... dxe5 30. fxe5 (30. Qxe5 Qd3 $18) 30... Qe4 31. Qxe4 fxe4) 30. exd6 $18 exd6 31. Rc7 {[%csl Gc7][%cal Rd4g7] White mates.} Rf7 32. Rxf7 Kxf7 33. Qa7+ {[%mdl 64] Double Attack. Accuracy: White = 92%, Black = 49%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "1.3"]
[White "Tolmacevs, Artjoms"]
[Black "Berzinsh, Roland"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1610"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,78,-6,0,-15,0,-37,-39,-41,-33,-61,-60,-62,-62,-64,-33,-58,-71,-61,-17,-73,-72,-55,-88,-88,-37,-48,-10,-26,-27,-41,-49,-49,-41,-64,-56,-61,-50,-31,-69,-83,-64,-65,-50,-95,-87,-132,-127,-170,-156,-197,-196,-299,-293,-429,-368,-359,-352,-29981,-29982,-29982,-29982,-29982,-29983,-29982,-29983,-29983,-29984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O g6 5. d4 exd4 6. Nxd4 Bg7 7. c3 O-O 8. Bg5 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} h6 9. Bh4 Nxd4 10. cxd4 {Black is slightly better.} c6 (10... g5 $5 11. Bg3 $8 c6 $15) 11. Ba4 g5 12. Bg3 {With the idea Bd6.} d5 13. e5 Nf5 14. Nc3 Qb6 15. Ne2 {[#]} Be6 $146 ({Predecessor:} 15... Qxb2 16. Qd3 Qb4 17. Bb3 a5 18. a3 Qe7 19. Rfc1 f6 20. exf6 Bxf6 21. f3 Bd7 {0-1 (31) Fernandez Torre,I (2164)-Ladron de Guevara Pinto,P (2369) Linares 2016}) 16. b4 (16. Qd2 $1 $11 {was the only way to keep the balance.}) 16... Qxb4 17. Rb1 Qe7 18. Bc2 b6 (18... f6 $17) 19. f4 g4 20. Be1 {Strongly threatening Qd3.} c5 21. Ng3 Nxg3 22. Bxg3 {Hoping for f5.} f5 23. exf6 Qxf6 24. dxc5 bxc5 25. f5 Bf7 26. Qxg4 Qd4+ 27. Qxd4 Bxd4+ 28. Bf2 Bxf2+ 29. Rxf2 d4 30. Rf4 {[#]} Rfd8 $1 (30... Bxa2 31. Rg4+ Kh8 32. Rb5 $11) 31. Rg4+ {[#]} Kf8 $1 32. Rb7 (32. Rh4 {was called for.}) 32... Rab8 $19 ({Worse is} 32... Bxa2 33. Rh7 $11) 33. Rxa7 (33. Rxb8 $142 Rxb8 34. Bb3) 33... d3 34. Bxd3 Rxd3 35. f6 $2 (35. h4 $19) 35... Rb1+ {Black mates.} 36. Kf2 Rb2+ {[%mdl 64] Double Attack} 37. Ke1 Bh5 38. Ra8+ {[#]} Kf7 $1 39. Ra7+ Kxf6 {Accuracy: White = 49%, Black = 87%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "1.4"]
[White "Mustaps, Matiss"]
[Black "Dombrovska, Stefanija"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "2370"]
[BlackElo "1609"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,97,42,62,0,20,-5,0,0,15,18,43,2,12,5,22,20,47,37,57,8,29,22,53,-129,-145,-172,-168,-166,-155,-134,251,254,245,252,325,279,319,296,432,420,417,416,421,351,403,327,324,323,321,316,324,321,286,291,329,320,413,414,383,356,360,358,361,335,352,281,296,304,337,328,464,457,444,450,635,625,614,596,603,548,1514,1476,4593,4786,4132,3243,29977,29978]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 a6 5. Ba4 b5 6. Bb3 d6 7. d3 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} ({White should try} 7. a4 $14) 7... h6 8. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3d5][%mdl 32]} Nf6 9. h3 {The position is equal.} Bd7 10. Nf1 {[#]} Qe7 $146 ({Predecessor:} 10... Na5 11. Bc2 Bb6 12. Be3 c5 13. b4 Nb7 14. Ng3 Be6 15. a4 c4 16. Bxb6 Qxb6 17. axb5 cxd3 18. Qxd3 {1-0 (28) Martinelli,R-Portillo,E Punta del Este 2014}) 11. Be3 (11. Ng3 {feels hotter.} Bb6 12. O-O O-O 13. Nh4 Kh8 14. Ngf5) 11... Bxe3 12. Nxe3 O-O 13. g4 Nh7 14. h4 Be6 15. Nd5 Qd7 16. g5 $36 {[%mdl 2048] And now gxh6 would win. White is pushing.} h5 17. g6 $2 (17. d4 $14 {keeps the upper hand.}) 17... fxg6 $17 18. Nxc7 {[#]} Bxb3 $1 19. Qxb3+ Kh8 20. Nxa8 {Threatens to win with a4.} Rxa8 $2 {[%mdl 8192] Now Black is done in.} (20... Rxf3 $17 {stays on course.} 21. O-O-O Qa7) 21. Rg1 $18 Rf8 22. Rg3 Ne7 23. O-O-O Nf6 24. Ng5 Ne8 (24... Nc6 $142 25. Kb1 d5) 25. Nf7+ Kh7 26. d4 exd4 27. Rxd4 Nc6 28. Ng5+ Kh8 29. Rd2 Ne5 30. Qe6 Qxe6 31. Nxe6 Rf6 32. Ng5 Rf4 33. Rh3 Nf7 34. Nxf7+ Rxf7 {[%mdl 4096] Endgame KRR-KRN} 35. e5 dxe5 36. Rd8 Re7 37. Rf3 {Rf8+ is the strong threat.} Kg8 38. b3 e4 39. Rf4 e3 40. fxe3 Rxe3 (40... g5 $142) 41. Kd2 Re6 42. Kd3 Rd6+ (42... g5 $142) 43. Rxd6 Nxd6 {KR-KN} 44. c4 bxc4+ 45. bxc4 {[%cal Bb3c4,Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Nf7 46. c5 Nd8 47. Rd4 Ne6 48. c6 Kf7 {[#]} 49. c7 $1 {[%mdl 512] Accuracy: White = 71%, Black = 50%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "1.5"]
[White "Morkunas, Gustas"]
[Black "Semjonovs, Ilja"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1607"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,78,17,7,33,19,23,0,18,0,0,-3,0,0,0,0,12,-27,-2,-51,0,-80,-86,-237,-230,-225,-235,-238,-229,-279,-262,-257,-237,-234,-232,-311,-315,-308,-302,-289,-277,-301,-301,-424,-426,-637,-390,-622,-662,-657,-657,-654,-650,-621,-641,-627,-622,-602,-508,-743,-751,-2910,-2551,-1890,-1611,-29988,-29989,-29988,-5393]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 8. Bg5 Be6 9. Ng3 g6 {The position is equal.} 10. Be2 Be7 11. Nf1 Nbd7 12. Ne3 Rc8 13. O-O {[#]} O-O $146 ({Predecessor:} 13... Qb6 14. Rb1 Qa5 15. a3 Qd8 16. a4 O-O 17. Bh6 Re8 18. Ned5 Bxd5 19. exd5 Nh7 20. Ne4 Ndf6 21. Nc3 Nd7 22. Ne4 {½-½ (22) Paragua,M (2508)-Nolte,R (2453) Kuala Lumpur 2012}) 14. Kh1 b5 15. a3 Re8 (15... Rxc3 $15 16. bxc3 Nxe4 17. Bxe7 Qxe7) 16. f4 (16. Qd2 $11 {remains equal.}) 16... Rxc3 $17 {[%mdl 64] Remove Defender} 17. bxc3 $2 {This move loses the game for White.} (17. f5 $17 {was the only chance.} Rc8 18. fxe6 fxe6 19. Bd3) 17... Nxe4 $19 {[%mdl 64] Double Attack} 18. Bxe7 Qxe7 (18... Rxe7 19. Qe1 $15) 19. Qe1 {[#]} h4 $1 20. fxe5 Ng3+ {[%mdl 64] Double Attack, Zwischenzug} ({Weaker is} 20... dxe5 21. Rf3 $17) (20... Nxe5 21. Kg1 $19) 21. Kg1 Qg5 ({Don't play} 21... dxe5 22. Rf2 $19) (21... Nxe5 22. Qd2 $19) 22. Qf2 Nxe5 ({But not} 22... Nxf1 23. Rxf1 Qxe5 24. c4) 23. Bf3 Nxf1 24. Rxf1 Bxh3 25. Bd5 {[%cal Rd5f7]} Be6 26. Bxe6 Rxe6 27. Nd5 (27. c4 {was worth a try.}) 27... h3 28. g3 (28. Ne3 $142) 28... Kg7 29. Nc7 (29. c4 $142) 29... Re7 30. Nd5 {[#]} Ng4 $1 {[%mdl 576] Discovered Attack} 31. Qd4+ Re5 32. Nf4 {[#]} Ne3 $1 33. Rf3 Nf5 34. Qf2 Re4 35. Kh2 Nh6 36. Qd2 Ng4+ 37. Kh1 Qe5 {( -> ...Re1+)} 38. Nd3 {[#]} Qd5 $1 39. Kg1 h2+ {Accuracy: White = 40%, Black = 79%.} (39... Re1+ $142 40. Qxe1 Qxf3 41. Qd2 f5 42. a4 bxa4 43. Ne1 Qxg3+ 44. Kf1 h2 45. Ke2 h1=Q 46. Kd1 Ne3+ 47. Kc1 Qhxe1+ 48. Kb2 Qxd2 49. Ka3 Nc4+ 50. Kxa4 Qxc2+ 51. Kb4 Qgxc3#) 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "2.1"]
[White "Sveshnikov, Vladimir"]
[Black "Gudovskis, Konstantins"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2424"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,22,18,33,7,9,27,33,22,21,50,51,40,0,21,-2,9,11,14,16,4,0,12,5,37,20,91,45,31,33,73,50,145,143,128,47,52,10,29,0,0,0,0,0,0,0,0,0,7,0,0,25,20,27,77,77,110,18,25,29,56,5,254,254,338,316,279,0,270,270,817,803,780,752,958,935,29977,29978,29978,29979,29977,29972,29985,29986,29986,29987,29987,29988,29988,29989,29989,29989]} 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bb4 4. Nge2 c6 5. O-O d5 6. exd5 {C27: Vienna Game: 2...Nf6 3 Bc4 Nxe4.} cxd5 7. Bb5+ Nc6 8. d4 {Hoping for dxe5.White has an edge.} e4 9. Bg5 {[#]} Bg4 $146 ({Predecessor:} 9... Be6 10. Nf4 Bxc3 11. bxc3 h6 12. Nxe6 fxe6 13. Bxf6 Qxf6 14. f3 Qg5 15. fxe4 dxe4 {1-0 (51) Holecko,R (2210)-Krajnak,J (2067) Slovakia 2001}) 10. h3 Bxe2 11. Nxe2 (11. Qxe2 {keeps more tension.} O-O 12. Bxf6 gxf6 13. Qh5 Bxc3 14. Bxc6 bxc6 15. bxc3 Qd6 16. Rae1) 11... O-O 12. f3 Be7 13. Bxf6 Bxf6 14. fxe4 dxe4 15. c3 Bh4 16. Nf4 Qe7 (16... Qg5 $5 {[%cal Rg5b5]} 17. Qe2 e3 $11) 17. Qe2 Bg3 (17... f5 $11 {keeps the balance.}) 18. Qe3 Bxf4 19. Rxf4 f5 20. Raf1 Qe6 (20... g6 $1 $14) 21. b3 $1 $16 Kh8 22. g4 (22. Bc4 $16 Qd7 23. Qxe4 $1 {[%mdl 576] Pin}) 22... g6 $14 23. c4 {Strongly threatening d5.} (23. Bc4 $5 {[%cal Rc4e6]} Qd7 24. R4f2 $11) 23... Ne7 24. Qc3 {Black must now prevent d5+.} Kg7 25. d5+ Qf6 26. Qxf6+ Rxf6 27. gxf5 gxf5 28. Bd7 Raf8 29. Be6 b6 30. R1f2 a5 31. Kf1 Rxe6 32. dxe6 $11 {[%mdl 4096] Endgame KRR-KRN} Rf6 33. Ke2 (33. Rg2+ $16 Kf8 34. Rc2) 33... Rxe6 34. Ke3 Kf6 35. Rh4 (35. Rd2 $1 $14) 35... Ke5 $2 (35... Kg7 $11 {and Black is okay.}) 36. Rxh7 $18 Ng6 37. Rh5 Ne7 38. Rh7 Ng6 {[#]} 39. Rf7 $1 Rf6 $2 (39... f4+ 40. R7xf4 Nxf4 41. Rxf4 Rd6 42. Rxe4+ Kf5) 40. Rxf6 Kxf6 {KR-KN} 41. Rd2 Ne7 42. Rd7 Ke6 {[#]} 43. Rxe7+ $1 {[%mdl 512] White mates.} Kxe7 {KP-KP} 44. Kf4 Kd6 45. h4 Kc5 46. h5 Kd4 47. h6 e3 48. h7 Kd3 49. h8=Q e2 50. Qe5 {Accuracy: White = 81%, Black = 52%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "2.2"]
[White "Krivenko, Dion"]
[Black "Krivonosov, Oleg"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1992"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,97,-22,0,17,0,34,17,15,9,10,0,0,0,-6,-77,-5,-9,-2,-8,-13,-13,4,0,4,0,0,0,15,20,35,14,15,18,43,43,38,40,57,58,120,108,231,231,231,231,231,231,231,195,195,195,195,195,195,164,195,195,188,188,178,164,456,445,439,432,436,431,422,419,494,493,478,475,609,626,731,718,897,887,2302,2220,2972,2733,5214,1450]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 h6 8. Bh4 d6 {C45: Scotch Game.} 9. f3 g5 10. Bg3 Qe7 {[#] The position is equal.} 11. a4 $146 ({Predecessor:} 11. Qd2 Bd7 12. h4 Rg8 13. O-O-O O-O-O 14. hxg5 hxg5 15. Rh6 Be6 16. Bb5 Bxb3 17. axb3 {1-0 (41) Navara,D (2726)-Malakhov,V (2691) Antalya 2017}) 11... a6 12. Qd2 Be6 13. O-O-O O-O-O 14. Bd3 (14. Re1 $11) 14... Nh5 (14... d5 $17 {And now ...dxe4 would win.} 15. Rhe1 Nb4 16. exd5 Nfxd5) 15. Bf2 $11 Bxf2 16. Qxf2 Nf4 17. Nd4 {aiming for Nxc6.} Nxd4 18. Qxd4 Kb8 19. g3 Nxd3+ 20. Qxd3 c6 21. Rhe1 h5 22. Qd4 Bc8 23. Re2 h4 24. g4 f6 25. Red2 Rd7 26. a5 Qd8 (26... Qe5 $14) 27. Qb4 $16 Re8 {Loses the game.} (27... Qe7 $16) 28. Rxd6 $18 Rxd6 29. Qxd6+ ({Don't play} 29. Rxd6 $6 Qe7 $16) 29... Qxd6 30. Rxd6 {[%mdl 4096] Endgame KRB-KRN} Be6 31. b3 Kc7 32. Rd2 b6 33. axb6+ Kxb6 34. Ne2 a5 35. Nc3 Kc7 36. Na4 Bc8 37. c4 f5 $2 (37... Be6 38. Kc2 Bc8) 38. gxf5 g4 39. Nc3 gxf3 40. Rf2 Kd6 41. Rxf3 Ke5 42. Kd2 {White is clearly winning.} Rg8 43. Ke3 Bd7 44. Na4 Kd6 45. Kd4 Be8 46. e5+ Ke7 47. f6+ Kf8 48. e6 Bh5 {[#]} 49. Rf4 {Accuracy: White = 87%, Black = 54%.} (49. Nc5 $142 $3 {[%mdl 512]} Be8 {[#]} 50. f7 $1 {[%mdl 576] Double Attack}) 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "2.3"]
[White "Berzinsh, Roland"]
[Black "Olde, Grete"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2375"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,-3,6,4,0,2,26,26,22,27,25,22,25,27,23,32,30,16,19,17,19,19,52,50,53,52,54,53,68,39,72,72,68,62,126,62,117,104,99,104,107,89,92,92,85,73,85,79,133,141,162,160,193,179,185,179,215,202,312,323,851,829,966,852,835,824,787,762,661,621]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} O-O 10. Nc3 Nxc3 11. bxc3 {White has an edge.} f6 12. Bxc6 bxc6 13. Qa4 Bd7 14. exf6 {[#]} Qxf6 $146 ({Predecessor:} 14... c5 15. Qa3 cxd4 16. fxg7 Rxf3 17. gxf3 dxe3 18. O-O-O c6 19. fxe3 Bxe3+ 20. Kb2 Qf6 {0-1 (28) Balaian,A (2269)-Goganov,A (2603) St Petersburg 2015}) 15. Ne5 Be8 16. Qa6 c5 {White must now prevent ...cxd4.} 17. O-O cxd4 18. cxd4 Bxd4 19. Qxf6 gxf6 20. Bxd4 {And now Ng4 would win.} fxe5 21. Bxe5 Bb5 22. Rfc1 c6 23. a4 Bc4 24. Ra3 Kf7 ({Better is} 24... Rfe8 $14 25. Rg3+ Kf8) 25. f4 (25. Rh3 $16) 25... Ke7 (25... Ke8 $1 $14) 26. Rh3 Rf7 27. Rh6 Rc8 28. Kf2 c5 29. h3 Ke8 30. g4 Bb3 31. a5 d4 {[#]} (31... Rd7 $142) 32. Rd6 $1 $16 Rd7 {[#] Black wants to play ...Rxd6.} 33. Rxd4 $1 {[%mdl 512]} cxd4 34. Rxc8+ $18 {[%mdl 4096] Endgame KRB-KRB} Kf7 {With the idea ...d3.} 35. Ke2 d3+ 36. Kd2 Ba4 (36... Ke6 {is a better defense.} 37. Bc3 Bd5 38. f5+ Kd6 39. Kxd3 Bg2) 37. f5 Bb5 $2 (37... Re7 38. Rc5 a6 39. Kxd3 Bb5+ 40. Ke3 Rb7) 38. Rh8 {White is clearly winning.} Rd5 39. Rxh7+ Kg8 40. Rg7+ Kf8 41. Bc3 a6 42. f6 {Accuracy: White = 90%, Black = 55%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "2.4"]
[White "Golsta, Madara"]
[Black "Mustaps, Matiss"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1903"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,65,25,56,45,61,47,56,50,65,64,65,64,70,63,58,58,80,56,67,0,54,50,49,80,66,72,62,45,27,29,20,18,43,26,60,86,56,18,20,23,19,17,38,42,37,0,775,777,771,708,29990,29991,29997,29998]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 Nc6 8. Be2 {B41: Sicilian: Kan Variation: 5 c4.} Be7 9. O-O d6 10. Be3 {White is slightly better.} Bd7 11. Rc1 Nxd4 12. Qxd4 O-O 13. f4 Rfd8 14. b4 Rac8 {[#]} 15. Kh1 $146 ({Predecessor:} 15. Qd3 Be8 16. g4 Kh8 17. g5 Ng8 18. f5 Qd7 19. Bg4 Rc6 20. fxe6 fxe6 21. Nd5 {1-0 (40) Gonzalez Lopez,N (1868)-Reina,O Bogota 2013}) 15... Qb8 16. Bf2 (16. a4 $14) 16... Be8 (16... Bc6 $11) 17. Qe3 b5 18. e5 dxe5 19. fxe5 Nd7 20. cxb5 axb5 21. Nxb5 Nxe5 22. Bg3 Rxc1 23. Rxc1 Bxb5 24. Bxe5 Qb7 25. Bf3 (25. Rc7 $5 {[%cal Rc7b7]} Qd5 26. Rxe7 (26. Bf3 Bg5 $11 {[%mdl 64] Back Rank}) 26... Bxe2 27. h3 $14) 25... Qa6 26. Rc7 $40 {[%mdl 128] White attacks.} Rd7 27. h3 f6 28. Bb7 Qa4 29. Bc8 fxe5 $4 {[%mdl 8192]} (29... Qd1+ $11 30. Qg1 Qxg1+ 31. Kxg1 Rd1+ 32. Kh2 Kf8) 30. Bxd7 $18 Bxd7 {[#]} 31. Qd2 $1 Qxa3 32. Qxd7 {[%mdl 64] Double Attack} Qa6 33. Qe8+ {Accuracy: White = 85%, Black = 74%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "2.5"]
[White "Semjonovs, Ilja"]
[Black "Andrijashkin, Deniss"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2362"]
[BlackElo "1850"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,-28,-8,-17,0,-13,-23,-27,-14,-23,3,0,7,-5,1,1,-6,-12,0,-12,-5,4,50,60,59,56,62,52,46,54,62,49,84,72,133,129,127,125,157,126,156,120,127,128,147,123,119,41,170,193,200,215,184,166,162,154,163,179,197,185,319,311,347,310,306,300,380,325,414,397,634,628,624,618,1220,1135]} 1. d4 g6 2. Nf3 Bg7 3. Bg5 Nf6 4. Bxf6 Bxf6 5. e3 d6 6. Bd3 {[#] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} Nc6 $146 ({Predecessor:} 6... Nd7 7. c3 e5 8. Nbd2 Qe7 9. Qc2 d5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Nf3 Bf6 {0-1 (65) Semjonovs,I (2141)-Guseinov,G (2691) Tallinn 2019}) 7. c3 e5 8. Nbd2 {Black has an edge.} Bg7 9. Qc2 Qe7 10. O-O-O Be6 11. h4 d5 {Strongly threatening ...e4.} 12. Bb5 e4 13. Ng5 Bd7 14. Qb3 h6 15. Nh3 a6 (15... Na5 $5 {[%cal Ra5b3]} 16. Bxd7+ Qxd7 $11) 16. Be2 O-O-O 17. Nf4 Be6 $1 18. f3 exf3 19. Bxf3 Qd6 20. Nxe6 Qxe6 21. e4 Na5 (21... dxe4 $142 22. Qxe6+ (22. Bxe4 Qd7 $16) 22... fxe6 23. Nxe4 (23. Bxe4 e5 $14) 23... e5) 22. Qa4 $16 dxe4 23. Nxe4 ({Weaker is} 23. Qxa5 exf3 24. Rhe1 Qd7 $11) 23... Qb6 24. h5 Rhe8 25. hxg6 fxg6 26. Nc5 {Black must now prevent Bg4+.} h5 27. Rhe1 Qb5 28. Qc2 (28. Qxb5 $16 {[%cal Rf3b7]} axb5 29. Kb1) 28... Bh6+ {This costs Black the game.} (28... Nc4 $1 $14 29. Bxb7+ {[%mdl 64] Double Attack} Kb8) 29. Kb1 $18 Nc4 {Hoping for ...Na3+.} 30. Bxb7+ {[%mdl 64] [#] Double Attack} Kb8 31. Ka1 $36 {[%mdl 2048] White is on the roll.} Ne3 32. Rxe3 $1 Rxe3 33. Bxa6 ({Resist} 33. Qxg6 $6 Bf8 $16) 33... Qb6 {and if ...Bf8 works, Black does fine.} 34. Bd3 Rd6 {[#]} (34... Bf8 {was called for.}) 35. Bxg6 $1 {[%mdl 512]} Rd8 (35... Rxg6 36. Nd7+) 36. Bxh5 Bf8 37. Ne4 Qe6 38. Bf3 Re8 {[%cal Re3e4]} 39. Nf2 Re1 (39... Qa6 $142 40. Qb3+ Ka7) 40. Qa4 {[%csl Gf3][%cal Ra4a8] White is clearly winning.} Rxd1+ 41. Nxd1 {[%csl Gf3][%cal Ra4a8]} Kc8 42. Bc6 {Accuracy: White = 91%, Black = 51%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "3.1"]
[White "Vardanyan, Aras"]
[Black "Sveshnikov, Vladimir"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2178"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,54,22,-13,0,0,3,0,0,6,26,-45,-30,-82,-62,-79,-74,-162,-111,-507,-472,-474,-473,-456,-423,-621,-635,-489,-373,-356,-354,-322,-338,-348,-342,-671,-678,-655,-653,-706,-547,-1081,-1074]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 a5 8. e4 {[%cal Rc4d5]} dxe4 {D43: Semi-Slav: 5 Bg5 h6.} 9. Nxe4 Bb4+ 10. Kd1 Qf4 {The position is equal.} 11. Bd3 {Strongly threatening c5.} f5 12. Ng3 (12. Nc3 $1 $11) 12... c5 $1 $15 13. d5 (13. Ne2 $11 {remains equal.} Qd6 14. Bxf5 cxd4 15. a3) 13... a4 $36 {[%mdl 2048] Black is pushing.} 14. Qc2 {[#]} a3 $146 ({Predecessor:} 14... O-O 15. a3 Ba5 16. Qe2 exd5 17. cxd5 Bd7 18. Qe5 Bc7 19. Qxf4 Bxf4 20. Nh4 Bxg3 21. hxg3 b5 22. Kd2 Ra6 23. Rae1 c4 24. Bc2 Rd6 25. Kc3 Rxd5 26. Ng6 {1-0 (26) Timman,J (2665)-Kuczynski,R (2525) Tilburg 1992}) 15. dxe6 {[#]} (15. Ke2 $17 {keeps fighting.}) 15... O-O ({Don't do} 15... Bxe6 16. Nh5 $15) (15... Nc6 $1 $19 16. b3 (16. Nxf5 $2 O-O $19) 16... O-O) 16. Nxf5 $2 {[%mdl 8192]} (16. Ke2 $17) 16... Nc6 $19 17. e7 Re8 18. Ne3 Nxe7 19. Be4 (19. b3 $142 Bg4 20. Nxg4 Qxg4 21. Rg1) 19... axb2 20. Rb1 Bg4 21. Rxb2 Rad8+ 22. Kc1 Ba3 23. g3 Bxb2+ 24. Kb1 $2 {[#]} (24. Kxb2 Qf6+ 25. Qc3 Bxf3 26. Qxf6 gxf6 27. Bxf3) 24... Qxf3 $1 {Black is clearly winning.} 25. Bxf3 Bxf3 26. Re1 Bd4 27. a4 Nc6 {Black took control after the opening. Accuracy: White = 28%, Black = 82%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "3.2"]
[White "Batashevs, Arsens"]
[Black "Berzinsh, Roland"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2166"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,4,50,43,67,54,154,151,167,162,166,96,223,218,216,101,106,0,21,29,22,13,62,69,64,71,64,70,69,69,101,35,35,29,215,232,237,0,0,0,0,0,66,36,64,-122,-124,-113,-80,-70,-69,-134,0,-129,-121,-122,-122,-122,-125,-130,-130,-130,-119,-130,-134,-119,0,-137,0,-119,0,-129,-127,-131]} 1. Nf3 c5 2. e3 d5 3. b3 Nf6 4. Bb2 Nc6 5. Bb5 g6 {[#]} 6. Nc3 $146 {A06: Réti Opening: 1 Nf3 d5.} ({Predecessor:} 6. c4 dxc4 7. Ne5 Bd7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. bxc4 Bg7 11. Qc2 O-O 12. O-O Qd6 13. Nc3 {0-1 (44) Nakamura,H (2749)-Corrales Jimenez,F (2559) chess.com INT 2019}) 6... Qd6 7. e4 d4 (7... dxe4 $14 8. Nxe4 Nxe4) 8. e5 $1 $16 {[%cal Re5d6][%mdl 64] Double Attack. White is clearly better.} Qe6 9. Bc4 $1 {[%cal Rc4e6]} Qf5 10. Bd3 ({But not} 10. exf6 $6 dxc3 11. Bxc3 (11. dxc3 Qxf6 12. Qd5 Bg4 $14) 11... exf6 $14) (10. Nb5 $1 $18) 10... Qe6 (10... Qd7 $16) 11. Nb5 $1 $18 {[%cal Rb5c7]} Nd5 12. Be4 (12. Bc4 $18 {is the precise move to win.}) 12... Kd7 $16 13. c4 ({White should try} 13. O-O $16) 13... Nf6 {[%mdl 64] Pin} 14. Bxc6+ bxc6 15. O-O {Strongly threatening Nbxd4.} cxb5 (15... Nh5 $5 {[%cal Rc6b5]} 16. Nfxd4 cxd4 17. Nxd4 Qxe5 $11) 16. exf6 exf6 17. Re1 $36 {[%mdl 2048] Keeping Black busy.} Qf5 18. cxb5 ({Worse is} 18. Qe2 Bb7 $17) 18... Bb7 {[#]} 19. b4 $1 {[%mdl 512]} cxb4 20. Bxd4 (20. Qa4 $1 $16 Qd5 21. Bxd4) 20... Bd6 $14 21. Qa4 {And now Rac1 would win.} Rhe8 $2 (21... Rhc8 $11 {and Black has nothing to worry.}) 22. b6+ $18 ({And not} 22. Bxa7 Re6 $15) 22... Bc6 23. Qb3 $2 (23. Rxe8 $18 Bxa4 24. Rxa8) 23... Bd5 $11 24. Rxe8 Kxe8 25. Qe3+ Kf8 ({Better is} 25... Kd7 $11) 26. bxa7 $14 Re8 27. Bc5 $2 (27. Qh6+ $14 {is the one way to stay ahead.} Kg8 28. Qh4) 27... Rxe3 $17 28. Bxd6+ Kg7 29. dxe3 Qc2 $1 30. h3 {[#]} (30. e4 $1 $15 Qxe4 31. Bc5) 30... Bb7 (30... Qa4 $1 $17 {White must now prevent ...b3.} 31. Rb1 Bxa2) 31. Re1 (31. Nd4 $11 Qe4 32. Nf3) 31... Qxa2 {aiming for ...b3.} 32. Bxb4 {next Bc5 is good for White.} Qxa7 33. Bc3 Qa8 34. Ra1 Qc8 35. Rc1 {With the idea Bxf6+!} Qf5 36. Nh2 Qe4 {[%csl Gb7][%cal Re4g2]} 37. Nf3 Qf5 38. Nh2 $1 {intending Ng4.} Qe4 {[%csl Gb7][%cal Re4g2]} 39. Nf3 Qf5 40. Nh2 $1 {[#]} h5 $1 41. Bd4 {Accuracy: White = 64%, Black = 70%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "3.3"]
[White "Salna, Aleksandras"]
[Black "Semjonovs, Ilja"]
[Result "0-1"]
[ECO "D97"]
[WhiteElo "2063"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,86,46,64,27,19,4,7,7,20,14,24,0,0,0,8,9,18,8,20,0,0,0,31,40,33,35,48,31,97,97,97,103,119,117,131,72,67,-352,-337,-349,-351,-355,-356,-396,-350,-513,-489,-439,-324,-325,-325,-325,-325,-332,-341,-566,-551,-616,-615,-747,-730,-762,-737,-802,-789,-1678,-590,-1082,-1065,-2152,-2024]} 1. d4 Nf6 2. Nf3 g6 3. c4 d5 4. Nc3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 c6 8. Be2 b5 9. Qb3 a5 10. e5 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} a4 11. Qd1 Nd5 12. O-O {[#] The position is equal.} f6 $146 ({Predecessor:} 12... Qb6 13. Nxd5 cxd5 14. Bg5 Nc6 15. Rc1 h6 16. Be3 e6 17. Rc5 Ba6 18. Qc2 Rfc8 {0-1 (44) Watorek,M (2154)-Shishkin,V (2485) Koszalin 2012}) 13. Bd2 Be6 14. Ne4 Nd7 {[%cal Rf6e5]} 15. Rc1 Rc8 {[%cal Rf6e5]} 16. exf6 exf6 17. Re1 {Nd6 is the strong threat.} N7b6 18. b3 axb3 19. axb3 Bf7 20. h4 Re8 21. Bd3 Ne7 22. Ba5 Ra8 (22... Ned5 $14) 23. Bxb6 $16 {[%mdl 64] Overworked Piece} Qxb6 24. Nd6 Red8 25. Nxf7 (25. Rxe7 Rxd6 26. h5 Qd8 $15) 25... Kxf7 26. Qe2 (26. h5 $142) 26... Qb7 27. Ng5+ $2 {[%mdl 8192] White does not recover from this.} (27. Qe6+ $14 {keeps the upper hand.} Kf8 28. h5) 27... fxg5 $19 28. Qe6+ Kf8 29. Re3 {Strongly threatening Rf3+.} g4 ({Weaker is} 29... Bxd4 30. Rf3+ Nf5 31. g4 $17) ({Don't do} 29... Rxd4 {[#]} 30. h5 $1 $19 {[%mdl 512]}) 30. Re4 {intending Rf4+.} Rxd4 31. Rxd4 (31. Rxg4 $142 Rad8 32. Rxd4 Bxd4 33. h5) 31... Bxd4 32. Qxg4 Ra1 33. Rxa1 Bxa1 34. h5 Kg7 35. Qe6 gxh5 36. f4 $2 (36. Qh3 {was the only defense.}) 36... Qb6+ {Black is clearly winning.} 37. Kh1 Qc5 38. Qe4 Ng6 39. g3 Bf6 40. Kg2 h4 41. g4 Qd5 42. Kf3 Qxb3 43. g5 {[#]} Bxg5 $1 {Accuracy: White = 73%, Black = 83%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "3.4"]
[White "Chukavin, Kirill"]
[Black "Katishonok, Nikolaj"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2348"]
[BlackElo "2101"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,40,32,47,42,61,42,35,32,33,33,36,0,75,78,75,75,82,-138,122,100,151,139,132,130,231,223,219,217,229,237,243,146,190,127,104,105,220,181,233,249,243,251,248,245,256,268,272,266,267,263,415,394,380,356,460,443,457,471,481,463,506,381,387,386,520,501,500,492,482,482,489,479,464,462]} 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. Nf1 Bd6 9. Ne3 b6 {C04: French Tarrasch: 3...Nc6.} 10. O-O Bb7 11. Re1 {Threatens to win with Nxd5!} O-O-O {[#] White is slightly better.} 12. Ng4 $146 ({Predecessor:} 12. c4 dxc4 13. Nxc4 Bf4 14. Bxf4 Qxf4 15. Qd2 Qxd2 16. Ncxd2 Nb4 17. Bd1 Nd3 18. Rxe6 Nxb2 {1-0 (136) Mukhina,J (2071)-Toporkova,S (1868) Moscow 2016}) 12... Qg6 13. h3 Rde8 14. c3 Rhf8 (14... e5 $11) 15. b4 h5 16. Bd3 $36 {[%mdl 2048] White is in control.} Qf7 17. Nge5 $2 (17. Ng5 $16 {is forced if you want to stay better.} Qg8 18. Nh2) 17... Bxe5 $4 {[%mdl 8192]} (17... Ndxe5 $17 18. dxe5 Nxe5 $1 {[%mdl 512]} 19. Rxe5 Bxe5) 18. dxe5 $16 d4 {[#]} (18... g5 $142) 19. Qc2 $1 {Black must now prevent Bg6.} dxc3 20. a3 ({Much weaker is} 20. Qxc3 $6 Ne7 $11) 20... Ne7 (20... Qg8 $16) 21. Ng5 $18 Qg8 22. Qxc3 Nd5 23. Qc2 g6 24. Bb5 {Strongly threatening Ne4.} Qg7 25. Ne4 (25. Bd2 $18) 25... Kb8 $16 26. Bg5 c6 (26... Rc8 $16) 27. Bd3 ({Weaker is} 27. Bxc6 Rc8 $14) 27... Qxe5 {[#]} (27... Rf5 {might work better.}) 28. Nf6 $1 $18 {[%mdl 512]} Qxg5 (28... N5xf6 29. Rxe5) 29. Nxd7+ Ka8 30. Nxf8 Nf4 {[%csl Gf4][%cal Rg5g2]} 31. Be4 Rxf8 32. Kh2 Nd5 33. Rad1 c5 (33... Kb8 $142 34. Kg1 h4 35. Bxd5 exd5) 34. bxc5 Rc8 35. Qd2 Qxd2 36. Rxd2 bxc5 37. Bxg6 c4 38. Rc2 c3 39. Be4 Rc4 40. Bf3 Nc7 {If only Black now had time for ...Bxf3....} 41. Be2 {White is clearly winning.} Rc5 42. Rec1 Rg5 43. g3 Rf5 44. Kg1 Nd5 45. Bc4 {Accuracy: White = 73%, Black = 49%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "3.5"]
[White "Sibajeva, Marija"]
[Black "Stepins, Edgars"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2060"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,0,8,7,10,8,0,0,0,0,0,-7,0,0,7,0,19,8,13,30,52,48,47,41,50,49,54,48,58,56,60,36,35,37,40,33,60,30,37,37,62,45,58,54,62,21,66,0,66,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 O-O 8. O-O Re8 9. c4 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Nd7 10. Re1 Nf8 11. Bd2 {The position is equal.} Be6 {[#]} 12. Qb3 $146 ({Predecessor:} 12. Bd3 Ng6 13. Qc2 Qd7 14. Bc3 h6 15. g3 b5 16. c5 {½-½ (16) Mulde,R (2228)-Gulbis,H (2239) ICCF email 2018}) 12... Rb8 13. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ng6 14. Bf1 a6 15. a5 Qc7 16. Bb4 Bxb4 17. Qxb4 Bg4 18. Rxe8+ Rxe8 19. Re1 Rd8 20. Nd2 $1 Be6 21. Nb3 Nf8 22. Rd1 Bc8 23. Nc5 Ne6 24. Nxe6 fxe6 25. Rd3 Re8 26. Qd2 Qe7 27. h3 Bd7 28. Rb3 Bc8 $1 29. Re3 Rd8 30. Rd3 Re8 31. Re3 Rd8 $1 32. Rd3 {Accuracy: White = 87%, Black = 87%.} (32. Qc3 $14) 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "4.1"]
[White "Sveshnikov, Vladimir"]
[Black "Chukavin, Kirill"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2424"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,54,14,-7,0,0,5,0,0,0,22,-39,-37,-93,-100,-78,-69,-160,-108,-564,-565,-606,-583,-484,-422,-805,-799,-692,-372,-347,-335,-327,-302,-328,-313,-700,-710,-676,-677,-721,-600,-1013,-1029]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 a5 8. e4 {[%cal Rc4d5]} dxe4 {D43: Semi-Slav: 5 Bg5 h6.} 9. Nxe4 Bb4+ 10. Kd1 Qf4 {The position is equal.} 11. Bd3 {Hoping for c5.} f5 12. Ng3 ({White should play} 12. Nc3 $11) 12... c5 $1 $15 13. d5 (13. Ne2 $15 Qd6 14. Bxf5 cxd4 15. Bc2) 13... a4 $36 {[%mdl 2048] Black has strong initiative.} 14. Qc2 {[#]} a3 $146 ({Predecessor:} 14... O-O 15. a3 Ba5 16. Qe2 exd5 17. cxd5 Bd7 18. Qe5 Bc7 19. Qxf4 Bxf4 20. Nh4 Bxg3 21. hxg3 b5 22. Kd2 Ra6 23. Rae1 c4 24. Bc2 Rd6 25. Kc3 Rxd5 26. Ng6 {1-0 (26) Timman,J (2665)-Kuczynski,R (2525) Tilburg 1992}) 15. dxe6 {[#]} (15. Ke2 $15) 15... O-O ({Much weaker is} 15... Bxe6 $6 16. Qe2 $15) (15... Nc6 $142 $1 16. b3 (16. Nxf5 $2 O-O $19) 16... Bxe6) 16. Nxf5 $2 {[%mdl 8192] This move loses the game for White.} (16. Ke2 $17) 16... Nc6 $19 17. e7 Re8 {White must now prevent ...Bxf5.} 18. Ne3 Nxe7 19. Be4 (19. Rb1 $142 Bg4 20. Nxg4 Qxg4 21. Rg1) 19... axb2 20. Rb1 Bg4 21. Rxb2 Rad8+ 22. Kc1 Ba3 23. g3 Bxb2+ 24. Kb1 $2 {[#]} (24. Kxb2 Qf6+ 25. Qc3) 24... Qxf3 $1 {Black is clearly winning.} 25. Bxf3 Bxf3 26. Re1 Bd4 27. a4 Nc6 {Accuracy: White = 35%, Black = 80%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "4.2"]
[White "Semjonovs, Ilja"]
[Black "Stabulnieks, Klavs"]
[Result "1/2-1/2"]
[WhiteElo "2362"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,19,-29,-10,-12,-3,-4,-4,-6,-2,-14]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. e3 O-O 5. Bxf6 exf6 6. Bd3 d5 7. c4 {The position is equal. D00: 1 d4 d5: Unusual lines.} c6 8. Nc3 dxc4 9. Bxc4 Nd7 10. O-O {[#] Not much happened in this game.} {Predecessor:} Nb6 $146 11. Bd3 f5 12. Qc2 Be6 13. Rfd1 Qd6 14. Rac1 Rad8 15. a3 Rfe8 16. Kh1 Nd5 {1-0 (58) Nguyen,T (1804)-Saughanthika,A (1622) Sari 2013} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "4.3"]
[White "Berzinsh, Roland"]
[Black "Bekasovs, Rihards"]
[Result "1-0"]
[ECO "A51"]
[WhiteElo "2375"]
[BlackElo "2179"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,-9,-10,-15,-14,-14,-11,0,-13,0,0,0,0,0,0,0,0,0,-4,4,7,2,0,12,12,12,16,25,0,2,6,63,62,70,60,55,58,66,36,36,36,36,37,43,53,241,234,221,213,401,223,222,232,285,229,237,233,262,239,258,164,164,164,164,164,239,225,327,320,202,109,588,575,572,552,530,311,267,0,469,439,576,561,1300,1298,756,457,29989,100]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. c4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 O-O 8. Be2 dxc4 {A51: Budapest Gambit, Fajarowicz Variation.} 9. Nxc4 Nbd7 10. O-O Nb6 {[#] The position is equal.} 11. Rc1 $146 ({Predecessor:} 11. Nfe5 Be6 12. b3 c6 13. Rc1 Qc7 14. Qd2 Rad8 15. Qe3 Qb8 16. Rfd1 Nbd5 17. Qg3 Ne7 18. Ne3 Rd6 19. N5c4 Rdd8 20. Ne5 Rd6 21. N5c4 Rdd8 22. Ne5 Rd6 {½-½ (22) Miezis,N (2477)-Malakhatko,V (2545) Runavik 2018}) 11... Nxc4 12. Bxc4 Bg4 13. h3 Bxf3 14. Qxf3 c6 15. Qb3 Qd7 16. Rfe1 Rfe8 17. Re5 Rad8 18. a4 (18. Qe3 {looks sharper.} h6 19. Re1 b6 20. Bb3 a5 21. Qc3) 18... Rxe5 (18... g6 {is more complex.} 19. Rce1 Kg7 20. Qf3 Rf8 21. Rd1 Qd6) 19. dxe5 Nd5 $1 20. Rd1 h6 21. a5 Qc7 22. g3 {[%cal Rc4d5]} Qxa5 ({Better is} 22... Re8 $11) 23. Qxb7 $14 Qc5 24. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Qb6 25. Qxb6 axb6 {[%cal Ba7b6,Bb6b5][%mdl 4128] Endgame KRB-KRN} 26. b4 {Strongly threatening b5.} b5 $1 {[%cal Rb5c4]} 27. Bxd5 cxd5 {KR-KR} 28. f4 d4 29. Kf2 d3 $2 (29... Kf8 $14) 30. Ke3 $18 Rc8 31. Rxd3 Rc4 $2 (31... Kf8 {might work better.} 32. Rd5 Rc3+ 33. Kf2 h5) 32. Rd4 (32. Rd8+ $142 Kh7 33. f5) 32... Rc3+ 33. Kf2 $1 Rb3 34. f5 {Hoping for Rd8+.} Kf8 35. h4 Ke7 36. h5 $1 Ke8 37. Kg2 Ke7 38. Kh3 Rb1 39. Kg4 $1 Rb2 (39... Rb3 {is a better defense.} 40. Kf4 Rb1) 40. Kf4 Rc2 {[#]} (40... Rb3 $142 41. g4 Rc3) 41. Ke4 $1 {[%cal Re4d5]} Rc3 {[#]} 42. g4 (42. Kd5 $1 $18) 42... Rg3 $2 {[%mdl 8192]} (42... Rc2 $16 {is a better chance.} 43. Kd5 Rc1) 43. Kd5 Rc3 44. Rf4 Rc1 45. Re4 Rc2 46. Rf4 $2 (46. e6) 46... Rc1 $1 47. f6+ gxf6 48. exf6+ Kd7 49. Re4 Kd8 50. Kd6 Rc7 {[#]} (50... Rd1+ $18 51. Kc5 Rf1 52. Kxb5 Rxf6) 51. Re8+ $1 {[%mdl 512] Accuracy: White = 72%, Black = 61%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "4.4"]
[White "Stepins, Edgars"]
[Black "Batashevs, Arsens"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2277"]
[BlackElo "2166"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,43,46,38,46,59,39,35,37,35,19,41,-11,77,68,62,65,47,-145,108,104,135,133,127,167,226,230,232,238,229,220,229,143,179,135,120,119,226,186,237,243,243,218,206,214,268,252,262,255,245,254,405,389,402,352,444,443,445,454,475,451,505,372,356,347,545,472,501,502,467,487,500,493,499,490]} 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 f6 7. exf6 Qxf6 8. Nf1 Bd6 9. Ne3 b6 {C04: French Tarrasch: 3...Nc6.} 10. O-O Bb7 11. Re1 {Hoping for Nxd5!} O-O-O {[#] White is slightly better.} 12. Ng4 $146 ({Predecessor:} 12. c4 dxc4 13. Nxc4 Bf4 14. Bxf4 Qxf4 15. Qd2 Qxd2 16. Ncxd2 Nb4 17. Bd1 Nd3 18. Rxe6 Nxb2 {1-0 (136) Mukhina,J (2071)-Toporkova,S (1868) Moscow 2016}) 12... Qg6 13. h3 Rde8 14. c3 (14. Bb5 $14) 14... Rhf8 (14... e5 $11 {remains equal.}) 15. b4 h5 16. Bd3 $36 {[%mdl 2048] White fights for an advantage.} Qf7 17. Nge5 $2 (17. Ng5 $14 {stays ahead.} Qg8 18. Nh2) 17... Bxe5 $4 {[%mdl 8192]} (17... Ndxe5 $17 {stays on course.} 18. dxe5 {[#]} Nxe5 $1 {[%mdl 512]} 19. Rxe5 Bxe5) 18. dxe5 $16 d4 {White must now prevent ...Ncxe5!} 19. Qc2 {Strongly threatening b5.} dxc3 20. a3 ({But not} 20. Qxc3 $6 Ne7 $11) 20... Ne7 (20... Qg8 $142) 21. Ng5 $18 Qg8 22. Qxc3 Nd5 23. Qc2 g6 24. Bb5 Qg7 25. Ne4 {And now Nd6+ would win.} Kb8 26. Bg5 c6 (26... Rc8 $16) 27. Bd3 ({Less strong is} 27. Bxc6 Rc8 $14) 27... Qxe5 {[#]} (27... Rf5 {might work better.}) 28. Nf6 $1 {[%mdl 512]} Qxg5 (28... N5xf6 29. Rxe5) 29. Nxd7+ Ka8 {...Nf4! is the strong threat.} 30. Nxf8 Nf4 {[%csl Gf4][%cal Rg5g2]} 31. Be4 Rxf8 32. Kh2 Nd5 33. Rad1 c5 (33... Kb8 {keeps fighting.} 34. Kh1 Rc8) 34. bxc5 Rc8 35. Qd2 Qxd2 36. Rxd2 bxc5 37. Bxg6 c4 38. Rc2 c3 39. Be4 Rc4 40. Bf3 Nc7 (40... Nf4 {was necessary.} 41. Bxb7+ Kxb7) 41. Be2 {White is clearly winning.} Rc5 42. Rec1 Rg5 43. g3 Rf5 44. Kg1 Nd5 45. Bc4 {Accuracy: White = 69%, Black = 49%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.17"]
[Round "4.5"]
[White "Krivenko, Dion"]
[Black "Kretainis, Kristaps"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1992"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,8,6,-11,18,-31,12,13,18,18,38,30,14,35,20,14,39,20,45,38,57,55,154,54,55,0,51,58,211,221,261,227,247,225,251,27,25,22,23,13,14,23,24,26,22,0,29,24,25,0,43,0,27]} 1. Nc3 d5 2. d4 c6 3. Nf3 Nf6 4. Bf4 Bf5 5. e3 e6 6. Ne5 {D00: 1 d4 d5: Unusual lines.} Bb4 7. f3 {[#]} (7. g4 {seems wilder.} Bg6 8. Bg2 Nfd7 9. Nd3 Na6 10. h4) 7... h6 $146 ({Predecessor:} 7... h5 8. Bd3 Qa5 9. Qd2 Nbd7 10. O-O Bxd3 11. Qxd3 Qd8 12. e4 O-O 13. Kh1 Nxe5 14. Bxe5 {1-0 (26) Syperek,S (2213)-Goebel,A (1945) Hessen 2017}) 8. g4 Bh7 9. Bd3 Qa5 10. Bxh7 {And now Bd3 would win.} Bxc3+ 11. bxc3 Qxc3+ 12. Kf2 {Qd3 is the strong threat.} Nxh7 13. Rb1 $36 {[%mdl 2048] White fights for an advantage.} b6 14. Rb3 {[%mdl 1024] White has compensation.} Qa5 15. Qd3 b5 (15... Nf6 $14) 16. Rhb1 (16. Ng6 $16 Rg8 17. Bxb8 fxg6 18. Ra3 (18. Qxg6+ Ke7 $14)) 16... O-O $14 17. Rc3 ({White should play} 17. h4 $14) 17... a6 ({Better is} 17... Qxa2 $11 18. Rcb3 Nf6) 18. h4 Rc8 $2 {[#]} ({Black should try} 18... f6 $14 19. Ng6 (19. Nxc6 Nxc6 20. Rxc6 Rfc8 $11) 19... Rf7) 19. g5 $1 $18 Qd8 20. Nxf7 {[%mdl 64] Deflection} ({Less strong is} 20. gxh6 Qxh4+ 21. Kg2 Qe7 $16) 20... Kxf7 21. Qxh7 {Threatens to win with g6+.} Qh8 {[#]} 22. Qd3 $2 ({Only move:} 22. g6+ $1 $18 Ke7 23. Bxh6 Qxh7 24. Bg5+ {[%mdl 64] Zwischenzug} Kd7 25. gxh7) 22... hxg5 $11 23. Bxg5 Nd7 24. e4 Qh5 25. Qe3 Nf8 26. Qf4+ Kg8 27. Qd6 Qf7 28. Re1 Qd7 29. Qg3 Qf7 (29... c5 $5) 30. Qd6 Qd7 {Accuracy: White = 70%, Black = 57%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.18"]
[Round "5.1"]
[White "Chukavin, Kirill"]
[Black "Semjonovs, Ilja"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2348"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,62,41,22,20,16,16,13,7,0,-2,-7,-16,-10,0,-22,-34,-53,-37,-48,-6,-1,0,0,0,-21,-17,-29,-35,-72,-81,-95,-77,-84,-77,-1966,-157,-1157,-1141,-1058,-694,-29978,-29975,-12837,-297,-12833,-5485]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 e5 7. Nde2 Be7 8. Bg2 O-O 9. O-O Be6 10. h3 Rc8 {B56: Classical Sicilian: Unusual Lines.} 11. Be3 Qd7 12. Kh2 {[#]} Bd8 $146 {The position is equal.} ({Predecessor:} 12... b6 13. b3 Nb4 14. a3 Na6 15. f4 g6 16. Nd5 Bxd5 17. exd5 b5 18. g4 Qc7 {1-0 (29) Petkovic,R (2302)-Racz,P (2006) Senta 2012}) 13. Qd2 Ba5 14. Rfd1 Rfd8 15. a3 Bc4 16. Qc1 Ne7 17. Bg5 Qe6 18. f4 Bxe2 (18... d5 {is more complex.} 19. fxe5 Qxe5 20. Qf4 Bc7 21. Qxe5 Bxe5 22. exd5 Bxe2 23. Re1 Bxc3 24. bxc3 Ba6) 19. Nxe2 Qc4 20. Qe3 Qxc2 21. Qxa7 Qxb2 {Threatens to win with ...Bb6.} 22. Qxa5 {Strongly threatening Qe1.} Qxe2 23. fxe5 Nc6 {[%mdl 64] Double Attack} 24. Qb6 Nxe5 25. Bxf6 gxf6 26. Rac1 $2 {[%mdl 8192]} (26. Rf1 $17) 26... Kg7 $2 $40 {[%mdl 128] Black goes for the king.} (26... Nf3+ $19 {has better winning chances.} 27. Kh1 {[#]} Rc2 $1 {[%mdl 512]}) 27. Rf1 $2 {This move loses the game for White.} (27. Qb3 $17) 27... Rxc1 $19 28. Rxc1 {[#]} Rc8 $1 {[%mdl 512]} 29. Qb1 (29. Rxc8 Nf3+) 29... Rxc1 30. Qxc1 Nf3+ 31. Kh1 {If only White now had time for Qf1....} Ne1 {Accuracy: White = 64%, Black = 78%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.18"]
[Round "5.2"]
[White "Stabulnieks, Klavs"]
[Black "Berzinsh, Roland"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2204"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,84,31,31,35,31,35,28,45,34,43,29,34,26,27,9,14,8,12,13,16,0,0,0,0,0,13,14,13,15,22,18,16,16,13,15,9,8,15,6,8,6,12,12,8,5,4,-10,0,0,0,0,0,0,0,-17,0,-43,-47,-75,-68,-79,-58,-162,-145,-153,-152,-145,-139,-481,-494,-1201,-1178,-983,-725,-792,-785]} 1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Nf3 Bg4 5. d5 Ne5 6. Bf4 Ng6 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 7. Be3 e5 8. Bxc4 Nf6 {White has an edge.} 9. Nc3 Nh4 10. Rg1 a6 11. Be2 Ng6 12. Nd2 Bxe2 13. Qxe2 Bb4 {[#]} 14. g3 $146 ({Predecessor:} 14. Rc1 Nf4 15. Bxf4 exf4 16. g3 fxg3 17. hxg3 O-O 18. Kf1 Re8 19. Qf3 c6 20. Ndb1 cxd5 21. exd5 {0-1 (34) Maletin,P (2583)-Khismatullin,D (2680) Izhevsk 2014}) 14... Rc8 15. f3 c6 16. dxc6 Rxc6 17. Rc1 O-O 18. Kf2 Qc8 19. Kg2 Rd8 {[%cal Rb4c3]} 20. Ndb1 Bc5 21. Rgd1 Bd4 22. Qf2 {[%cal Re3d4]} Bxe3 23. Qxe3 h5 24. h4 Ne7 {[%cal Bg6e7,Be7c6,Bc6b4][%mdl 32]} 25. Nd2 Rcd6 26. Nb3 Nc6 27. Rxd6 Rxd6 28. Na4 Qd8 29. Nac5 Qb6 30. Qf2 Nb4 31. a3 Nc6 32. Rc2 a5 33. a4 Nd7 34. Rc3 {[#] next Nxd7 is good for White.} Qb4 $1 35. Nxd7 Rxd7 36. Nc5 ({White should play} 36. Qe2 $15) 36... Rd1 $19 37. Rb3 Qc4 38. Rc3 {[#]} Qa2 $1 39. Nxb7 $2 {[%mdl 8192] [#] White does not recover from this.} (39. Rd3 $17 {was the crucial defense.} Rxd3 40. Nxd3) 39... Rb1 $1 {[%mdl 512] Black is clearly winning.} 40. Rc2 ({Worse is} 40. Rxc6 Rxb2 41. Qxb2 Qxb2+ 42. Kf1 Qxb7) (40. Ra3 $142 Qxb2 41. Qxb2 Rxb2+ 42. Kh3 Rxb7 43. Rc3) 40... Nd4 41. Rd2 Qxa4 42. Nd6 Qc6 {Accuracy: White = 72%, Black = 97%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.18"]
[Round "5.3"]
[White "Olde, Margareth"]
[Black "Stepins, Edgars"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2201"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,148,20,65,60,68,62,88,56,91,84,86,95,146,152,150,150,150,136,141,140,132,141,157,65,66,54,56,51,46,46,47,50,75,33,60,54,68,27,50,0,12,0,0,0,12,0,0,0,0,0,0,-8,-8,-11,-4,-2,0,0,0,0,0,0,0,0,0,-6,-6,-6,0,-7,-7,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-165,-137,-29970,-29972,-29978,-29979,-29979,-29980,-29980,-29981,-29980,-29981,-29983,-29980]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. h3 d6 6. Be3 Nbd7 7. Nf3 c5 8. d5 {E90: King's Indian: Classical: Early deviations and 6 h3.} a6 9. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ne8 10. Bd3 {[#] White is better.} Qc7 $146 ({Predecessor:} 10... a5 11. Qd2 Nc7 12. Rd1 b6 13. Bh6 Ne5 14. Nxe5 dxe5 15. Bxg7 Kxg7 16. f4 Qd6 {1-0 (57) Arun Prasad,S (2529)-Akash Pc,I (2221) Hyderabad 2013}) 11. O-O Ne5 12. Nxe5 dxe5 (12... Bxe5 $142 13. Qd2 f5) 13. a5 $16 Bd7 14. Na4 Bxa4 15. Rxa4 Nf6 16. b4 Nd7 17. Qb1 Rab8 18. bxc5 (18. b5 $16) 18... Nxc5 $14 19. Bxc5 Qxc5 20. Rb4 Qxa5 21. Rxb7 Rxb7 22. Qxb7 Qa3 23. Rd1 Bf6 24. Bf1 a5 25. Rb1 Bg5 26. Qb6 Bd2 27. c5 {Black must now prevent c6.} Bb4 28. c6 {c7 is the strong threat.} Qc3 29. Ba6 Bd6 30. Qb2 Qxb2 31. Rxb2 $11 {[%mdl 4096] Endgame KRB-KRB} Ra8 32. Bb7 Ra7 33. Rb6 Kf8 34. Kf1 Ke8 35. Ke2 Kd8 36. Ra6 Rxa6 37. Bxa6 {KB-KB} Kc7 38. Kd3 Kb6 39. Bc4 Kc5 40. Kc3 a4 41. Ba2 Bc7 42. f3 Ba5+ 43. Kd3 f6 44. h4 Kb4 45. Kc2 Bc7 46. Kb2 h6 47. g4 Bd6 48. h5 gxh5 (48... a3+ {keeps more tension.} 49. Kc2 g5 50. Kd3 Bc7 51. Kd2 Bd8) 49. gxh5 Bc7 50. Kc2 Ka3 51. Kb1 (51. Bb1 {with more complications.} Kb4 52. Ba2) 51... Ba5 52. Ka1 Bc7 53. Kb1 Kb4 54. Kb2 Kb5 55. Ka3 Ba5 56. Bb1 Bb4+ 57. Kb2 {Hoping for c7.} Bd6 58. Bd3+ Kb4 59. Bf1 a3+ 60. Ka2 Kc3 61. Bh3 Kd4 62. c7 Bxc7 63. Kxa3 Ke3 64. Bg4 Kf4 65. Kb4 Kg5 66. Kc5 f5 67. exf5 {[#]} ({But not} 67. Bxf5 Kxh5 68. Kc6 Bd6 $17) 67... e4 $1 {[%mdl 512]} 68. Kd4 $2 (68. fxe4 $11 Kxg4 69. Kc6) 68... Kf4 $19 69. fxe4 $2 {[%mdl 8192]} (69. Bh3 $17) 69... Kxg4 {Black mates.} 70. d6 Bxd6 $17 {KB-K3P} 71. e5 Ba3 72. Ke4 Kg5 73. f6 {[#]} e6 $1 (73... exf6 74. exf6 Kxh5 75. Kf3 $19) 74. Kf3 Kxh5 {Quite a comeback for Black. Accuracy: White = 84%, Black = 95%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.18"]
[Round "5.4"]
[White "Andrijashkin, Deniss"]
[Black "Sveshnikov, Vladimir"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1850"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,25,26,34,27,45,10,-25,-33,-27,-7,-23,0,0,0,-37,-6,-34,-4,-14,-4,-31,-7,-100,0,0,-7,-18,0,0,0,0,762,375,737,362,370,372,374,373,373,374,354,360,427,440,419,388,818,470,460,452,492,473,453,367,351,356,466,466,479,483,523,525,514,509,646,642,29991,555,675,514,704,681,740,752,29977,29978,5414,668,29987,29988,29988,29989,29988,-29988,-6837]} 1. e4 c6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Ne4 5. Ne2 Qb6 {[%csl Ge4][%cal Rb6f2]} 6. d4 {B11: Caro-Kann: Two Knights Variation.} e6 7. Nfg1 f6 8. exf6 {The position is equal.} (8. f3 $5 {[%cal Rf3e4]} Ng5 9. a4 $11) 8... Nxf6 9. Nf3 {[#]} Bd6 $146 ({Predecessor:} 9... c5 10. Nf4 cxd4 11. Bd3 Bd6 12. O-O e5 13. Re1 Nc6 14. Ng5 e4 15. Nxd5 Nxd5 16. Nxe4 {1-0 (43) Puranik,A (2459)-Svane,R (2573) Zalakaros 2017}) 10. Ng3 O-O 11. Bd3 c5 12. c3 cxd4 13. cxd4 Nc6 14. O-O Bd7 15. Re1 Rae8 16. Bg5 (16. Be3 $11) 16... e5 ({Better is} 16... Ng4 $17 {And now ...Bxg3 would win.} 17. Bc2 e5) 17. Bxf6 $11 Rxf6 18. Bxh7+ $1 Kxh7 19. Ng5+ $1 Kg8 20. Qh5 {Qh7+ is the strong threat.} Qxd4 $4 {[%mdl 8192]} ({Not} 20... Rxf2 $2 21. Rf1 $18) (20... Ne7 $11 21. Qh7+ (21. dxe5 $2 Qxf2+ 22. Kh1 Rh6 $19) 21... Kf8 22. Qh8+ Ng8 23. Nh7+ Kf7 24. Ng5+ Kf8 25. Nh7+ Kf7 26. Ng5+ Kf8) 21. Qh7+ $18 Kf8 22. Qh8+ Ke7 23. Qxg7+ Kd8 24. Qxf6+ {[%mdl 64] Double Attack} Be7 25. Ne6+ Bxe6 26. Qxe6 Bb4 27. Qf6+ Kc8 28. Nf5 Qxb2 $2 (28... Qb6 29. Red1 Qd8 30. Qxd8+ Rxd8) 29. Nd6+ Bxd6 30. Qxd6 Rd8 31. Qe6+ Kc7 32. Rac1 e4 33. h4 Qh8 34. Red1 Qh5 35. Rd2 Rd6 36. Qe7+ Rd7 37. Qf6 {Strongly threatening Rb2.} Rf7 38. Qe6 Rf5 {[#]} 39. Rc5 (39. Rdc2 $142 $1 Qd1+ 40. Rxd1 Rxf2 41. Kxf2 e3+ 42. Qxe3 Kd6 43. Qf4+ Ke7 44. Re1+ Ne5 45. Rxe5+ {[%mdl 64] Double Attack} Kd8 46. Qg5+ Kd7 47. Qe7#) 39... e3 40. Qxe3 {aiming for Qe7+.} Re5 41. Qf4 Kb6 42. Rc1 Re4 43. Rb2+ Ka6 44. Qd2 (44. Qc7 $142 b6 45. Qc8+ Ka5 46. Qxc6) 44... Nd4 {White must now prevent ...Ne2+.} 45. Qd3+ b5 46. Qa3+ Kb7 47. Qe7+ $4 {[%mdl 8192]} (47. Qd6 {and life is good for White.} Re1+ 48. Rxe1 Qf7 49. Re7+ Qxe7 50. Qxe7+ Kc6 51. Qxa7 Ne6 52. Rc2+ Kd6 53. Qa6+ Kd7 54. Qc6+ Ke7 {[#]} 55. Re2 $1 {[%mdl 512]} Kf8 56. Rxe6 Kg8 57. Qd7 Kh8 58. Re8#) 47... Rxe7 {What a bad dream for White. Accuracy: White = 65%, Black = 54%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.18"]
[Round "5.5"]
[White "Vardanyan, Aras"]
[Black "Krivonosov, Oleg"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2178"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,137,19,17,26,21,21,25,20,24,22,22,27,18,17,16,18,13,25,0,0,0,0,-16,0,-14,-10,-58,-34,-42,-14,-56,-53,-39,-25,-40,-29,-46,-30,-31,-29,-46,0,-13,0,0,0,0,9,8,8,9,20,6,14,0,55,51,51,70,62,62,80,72,83,87,52,65,66,6,6,6,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,50,50,50,50,50,50,50,50,50,12,50,27,30,27,29,20,20,20,41,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 Ne7 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} 9. Qc2 b6 10. Nf3 Ba6 {White has an edge.} 11. O-O Bxd3 12. Qxd3 O-O 13. Rab1 {[#]} a5 $146 ({Predecessor:} 13... Nd7 14. b4 a6 15. a3 a5 16. bxa5 Rxa5 17. Rb2 Nc8 18. Nd2 Ne7 19. Kh1 Rd8 {0-1 (31) Ott,F (2345)-Slobodjan,R (2460) Germany 2017}) 14. a3 Nd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 15. Rfc1 h6 16. Ne2 a4 17. h4 b5 18. h5 Nb6 19. Ng3 Nc4 20. Nh4 Rae8 21. Rc2 Qf6 22. Nhf5 Nxf5 23. Qxf5 Qh4 24. Qf3 g6 25. Re2 Re6 26. e4 $1 dxe4 27. Rxe4 Rxe4 28. Nxe4 Kg7 29. Re1 Qd8 30. Qc3 Qd5 31. hxg6 fxg6 32. Nc5 {[#] Threatens to win with Ne6+.} Kh7 33. Qg3 {Black should prevent Re7+.} Rf7 34. Ne6 Qd6 (34... Nxb2 35. Re5 $16) ({Black should play} 34... Qf5 $11) 35. Qh4 $1 $14 Qd5 36. Nd8 Rg7 $1 37. Qf6 Qf5 38. Qxc6 Nxb2 39. Re5 Qb1+ 40. Kh2 Nc4 41. Re8 (41. Rc5 $14 Nd2 42. Ne6 (42. Qxb5 Qe4 $17) (42. Rxb5 Nf1+ 43. Kh3 Qd3+ {[%mdl 64] Double Attack} 44. g3 Qxd4 $11)) 41... Qf5 $1 $132 {[%mdl 2048] Black has counterplay} ({Worse is} 41... Nxa3 42. Ne6 Qf5 43. Qc8 g5 44. Nf8+ Qxf8 45. Rxf8 Rf7 46. Rxf7+ Kg6 47. Qf5+ Kh5 48. Rg7 Kh4 49. Qh3#) 42. Ne6 {Threatening mate with Qc8.} Rf7 43. Qc8 {[%csl Gc8][%cal Re8h8]} Qf6 44. Nf8+ Kg7 {[#]} 45. Nxg6 $1 {[%mdl 512]} Nd6 (45... Qxg6 46. Rg8+) 46. Rg8+ Kh7 47. Qd8 Qxd8 48. Rxd8 {[%mdl 4096] Endgame KRN-KRN} Nb7 49. Nf8+ Kg7 (49... Kg8 $5 50. Rb8 $8 Rxf8 51. Rxb7 Rxf2 $11) 50. Rb8 $1 b4 51. axb4 {aiming for Ne6+.} Rxf8 52. Rxb7+ $14 {KR-KR} Rf7 53. Rb5 Rxf2 54. Ra5 Ra2 55. b5 a3 56. b6 Rb2 57. Rxa3 {Strongly threatening Ra7+.} Rxb6 58. Rd3 Kf6 59. Kg3 Rb2 60. d5 {Hoping for d6.} Ke7 {The position is equal.} 61. d6+ Kd7 62. Kh3 Rb5 63. Kh4 Re5 64. g4 Rc5 65. Rf3 {And now Rf6 would win.} Kxd6 66. Rf6+ Ke7 67. Rxh6 Kf7 68. Ra6 Kg7 69. g5 {Accuracy: White = 88%, Black = 91%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.19"]
[Round "6.1"]
[White "Berzinsh, Roland"]
[Black "Semjonovs, Ilja"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2375"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,102,27,9,29,16,6,10,40,39,47,47,54,39,37,27,25,2,14,17,32,19,52,12,44,12,12,13,23,12,12,18,20,20,19,12,20,15,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ (6. Be2 {keeps more tension.} e5 7. Qe3 Be7 8. O-O Ngf6 9. c4) 6... Qxd7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. c4 e5 8. Qd3 {[#]} b5 $146 ({Predecessor:} 8... f5 9. Nc3 Nf6 10. O-O fxe4 11. Nxe4 Nxe4 12. Qxe4 Qf5 13. Qe3 Be7 14. b3 O-O {1-0 (58) Diaz Camallonga,C (2474)-Blomqvist,E (2539) chess.com INT 2020}) 9. Nc3 Rb8 10. O-O h6 11. b3 Nf6 12. Be3 Be7 13. a4 {[%cal Rc4b5]} bxc4 14. bxc4 O-O 15. Rab1 Bb7 16. Rb6 Bc6 17. Rxa6 Ra8 18. Rxa8 Rxa8 19. Ra1 Nxe4 20. Nxe4 {aiming for Nc3.} f5 $1 {[%cal Rf5e4]} 21. Nc3 {Black must now prevent Qd1.} e4 {[%mdl 64] [#] Double Attack} 22. Qd1 {Strongly threatening Nd4.} exf3 23. Nd5 Bd8 $1 24. Bb6 (24. Qxf3 {feels hotter.} Rxa4 25. Rxa4 Bxa4 26. h3 Bc6 27. Bd2) 24... Rxa4 {The position is equal.} 25. Rxa4 Bxa4 26. Qxf3 Bxb6 27. Nxb6 Qe6 {[%cal Re6e1] [#]} 28. Qd5 Qxd5 29. cxd5 $11 {[%mdl 4096] Endgame KB-KN} Bb3 30. Nc8 Kf8 31. f4 g6 32. Kf2 Bxd5 33. Nxd6 Ke7 34. Nb5 Kf6 35. g3 g5 36. Ke3 Bh1 37. Kd4 gxf4 38. gxf4 Be4 39. Nd6 Bf3 40. Ne8+ Ke7 41. Nc7 {Threatening Ke5.} Kd6 42. Nb5+ Kc6 43. Na3 {Threatens to win with Ke5.} Kd6 44. Nc4+ Ke6 45. Kc5 Be4 46. Ne5 Bb1 47. Nf3 Kf6 48. Ne5 Ke6 49. Nc6 Kf6 50. Ne5 Ke6 51. h3 Be4 {Accuracy: White = 95%, Black = 98%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.19"]
[Round "6.2"]
[White "Stepins, Edgars"]
[Black "Mustaps, Matiss"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2277"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,1,13,0,0,-5,16,3,22,25,25,-32,-23,-37,-21,-20,-22,-29,14,0,0,0,0,0,0,9,52,22,47,-15,40,0,-16,-2,0,-2,28,-30,-26,-33,-29,-41,-6,-12,0,-15,-15,-18,-17,-12,-10,-13,-15,-15,-12,-17,0,0,0,0,0,0,0,0,3]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nge2 c5 7. d3 Nc6 8. O-O Ne8 9. h3 Nc7 10. Be3 Ne6 11. Qd2 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} Ned4 12. f4 f5 13. Kh2 a6 14. Rae1 Rb8 {[#]} 15. Nd1 $146 ({Better is} 15. exf5 $11 Bxf5 16. Bxd4 cxd4 17. Ne4) ({Predecessor:} 15. Bxd4 cxd4 16. Nd1 Bd7 17. Nf2 b5 18. b3 e5 19. Ng1 Bh6 20. exf5 gxf5 21. Nf3 {½-½ (59) Tiefenbach,W-Panzer,P (2355) Cattolica 1992}) 15... b5 16. Nxd4 Nxd4 17. exf5 Nxf5 18. Bf2 Bd7 19. Nc3 e6 20. cxb5 axb5 21. Ne4 Qe7 22. b4 Nd4 23. bxc5 dxc5 24. Ng5 (24. Rc1 $14) 24... h6 ({Black should play} 24... Rb6 $11) 25. Nf3 (25. Bxd4 $14 Bxd4 26. Nf3) 25... Nxf3+ $1 $11 26. Bxf3 Rfc8 27. Be4 Qf7 (27... b4 {seems wilder.} 28. Re2 Qf7 29. Qe3 Bc6 30. Rc1 Bc3) 28. Rb1 ({White should try} 28. Rc1) 28... Bc6 29. Bxc6 Rxc6 30. Rfc1 Qc7 31. Rc2 {The position is equal.} Kh7 32. Qe2 Qd6 33. Qe4 Bf8 34. Kg2 Qd5 35. Kf3 Kg8 36. Be3 Kf7 37. g4 Rcc8 38. Rbc1 Rd8 39. Bxc5 Bxc5 40. Rxc5 Qxd3+ 41. Qe3 Qd6 {Accuracy: White = 85%, Black = 85%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.19"]
[Round "6.3"]
[White "Sveshnikov, Vladimir"]
[Black "Bekasovs, Rihards"]
[Result "1-0"]
[ECO "B16"]
[WhiteElo "2424"]
[BlackElo "2179"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,65,49,80,81,103,107,108,108,112,87,102,65,63,41,47,37,34,45,50,50,75,83,109,120,107,110,128,84,83,77,82,96,121,111,278,323,542,531,542,550,545,530,669,632,675,994,975,970,1634,1270,2712,1522,29997,29998]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. d4 Bf5 7. g3 e6 8. Bg2 {B16: Caro-Kann: Bronstein-Larsen Variation.} Bd6 9. O-O Nd7 10. c4 {White is better.} O-O 11. Nh4 Bg6 12. f4 {f5 is the strong threat.} f5 $1 {[#]} 13. Be3 $146 ({Predecessor:} 13. Kh1 Nf6 14. Qe2 Bh5 15. Bf3 Bxf3+ 16. Nxf3 c5 17. Be3 Qc7 18. a3 Rac8 19. Rac1 {0-1 (94) Caushi,A (1795)-Bekasovs,R (2013) Mamaia 2017}) 13... Nf6 14. Kh1 Be7 15. Nf3 Bh5 16. Qc2 Bxf3 17. Bxf3 Qd7 18. Rad1 Rac8 19. b3 Rfd8 20. Rd3 Kg7 21. Qe2 a6 22. Rfd1 Qc7 23. Bc1 Rh8 $2 {[#] Now Black is done in.} (23... h5 $16 24. Bb2 (24. Bxh5 Nxh5 25. Qxh5 Bf6 $16) 24... Kh6) 24. Bb2 $18 Kg6 $2 (24... Rhe8 25. d5 exd5 26. cxd5 Ba3 27. Bxf6+ Kxf6) 25. g4 fxg4 26. Bxg4 Kg7 27. f5 h5 28. Bh3 exf5 29. d5 cxd5 30. cxd5 Bd8 31. Bxf5 h4 32. Be5 Qc2 33. Rg1+ {Accuracy: White = 77%, Black = 47%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.19"]
[Round "6.4"]
[White "Olde, Grete"]
[Black "Chukavin, Kirill"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1968"]
[BlackElo "2348"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,-6,-13,-21,-39,-39,-25,-25,-36,-42,-20,-31,-25,-21,-29,-31,-35,7,9,57,59,57,57,59,59,59,59,63,59,77,89,87,90,91,88,81,0,0,0,0,-18]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nf3 Nge7 8. O-O O-O 9. Be3 b6 10. d4 {10.Bf2 might become the main line.} d5 {B25: Closed Sicilian: 3 g3, lines without early Be3.} 11. e5 Nf5 12. Bf2 Nfxd4 {Black has an edge.} 13. Nxd4 Nxd4 14. Bxd4 cxd4 15. Qxd4 f6 16. exf6 Bxf6 {[#]} 17. Qd3 $146 {[%cal Rc3d5]} ({Predecessor:} 17. Qb4 Be7 18. Qb5 Bb7 19. Qe2 Bc5+ 20. Kh1 Qf6 21. Rae1 Rae8 22. Nd1 h5 23. c3 {1-0 (56) Rzayev,B (2125)-Arribas Lopez,A (2312) Kemer 2007}) 17... Bd7 (17... Rb8 {seems wilder.} 18. a4 Bd7 19. Rfe1 Qc8 20. Kh1 a6) 18. Nxd5 exd5 19. Bxd5+ {[%mdl 64] [#] Double Attack} Kh8 $1 {Hoping for ...Bf5.} 20. Bxa8 Qxa8 21. Qxd7 {And now c3 would win.} Rd8 22. Qe6 $1 {[%cal Re6f6]} Bd4+ 23. Rf2 $1 {Strongly threatening Re1.} Bxf2+ 24. Kxf2 $14 {KQR-KQR} Rd2+ {[%mdl 64] Double Attack} 25. Ke3 Qd8 26. Qe5+ Kg8 {[#]} 27. Qe4 (27. Re1 $1 $16) 27... Rxh2 $11 28. Kf3 Qd2 {( -> ...Qg2+)} 29. Qe8+ {Accuracy: White = 92%, Black = 89%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.19"]
[Round "6.5"]
[White "Krivonosov, Oleg"]
[Black "Salna, Aleksandras"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2391"]
[BlackElo "2063"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,19,9,10,11,8,6,45,33,20,12,14,6,11,10,19,19,32,0,0,0,0,0,6,10,19,19,19,19,21,27,17,2,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,25,25,38,25,48,48,57,31,35,20,83,97,103,100,109,113,87,80,97,87,87,70,65,0,0,0,0,0,0,0,0,0,29976,29978,29977,29978,29983,29984,29984,29985]} 1. Nf3 d5 2. d4 c6 3. c4 e6 4. Qc2 Nf6 5. g3 dxc4 6. Qxc4 b5 7. Qd3 Bb7 8. Bg2 Nbd7 {D30: Queen's Gambit Declined: Systems without Nc3.} 9. O-O a6 10. Be3 Nd5 {The position is equal.} 11. Nc3 c5 12. dxc5 {Hoping for Nxd5.} Nxe3 13. Qxe3 Bxc5 14. Qf4 O-O 15. Rfd1 Qe7 {[#]} 16. Rac1 $146 (16. b4 $5 Bxb4 17. Rxd7 $1 {[%mdl 512]} Qxd7 18. Qxb4 $14) ({Predecessor:} 16. Ne5 Nxe5 17. Qxe5 Bxg2 18. Kxg2 Rfd8 19. Rac1 Bb4 20. Ne4 f6 21. Qf4 Rxd1 22. Rxd1 {1-0 (56) Andersson,U (2594)-Vera Gonzalez Quevedo,R (2546) Havana 2003}) 16... Rac8 17. Ng5 Bxg2 18. Kxg2 Nf6 19. Nge4 Qb7 20. Qf3 Nxe4 21. Nxe4 {Strongly threatening Nf6+!} Qa7 22. Nxc5 Rxc5 23. e3 h6 24. Qe4 Rfc8 25. Rxc5 Qxc5 $11 {[%mdl 4096] Endgame KQR-KQR} 26. b3 Qc7 27. Rd2 g6 28. h4 Qc6 29. Qxc6 Rxc6 {KR-KR} 30. Rd8+ Kg7 31. Ra8 e5 32. g4 Re6 33. Kf3 Rf6+ 34. Kg3 Rc6 35. Ra7 Kf6 36. Kf3 Ke6 (36... Kg7 $11) 37. g5 $1 $16 {[%cal Rg5h6]} hxg5 38. hxg5 Kf5 39. Rxf7+ Kxg5 {[#]} 40. Ke4 $1 Rc2 41. Kxe5 {f4+ is the strong threat.} Rxa2 42. f4+ Kg4 43. Rg7 (43. Kf6 $14) 43... Kf3 $11 44. Rxg6 {Threatens to win with f5.} Re2 45. Kd4 {And now f5 would win.} (45. Kd6 {seems wilder.} Rxe3 46. f5 Rxb3 47. f6 Rd3+ 48. Ke5) 45... Rxe3 {[#]} 46. Rg3+ $3 {[%mdl 512]} Kxg3 47. Kxe3 {Intending f5 and mate.} Kg4 $2 {[%mdl 8192] [#]} (47... Kh4 $11) 48. b4 $1 {[%cal Bb3b4,Bb4a5][%mdl 32] White mates.} Kf5 49. Kf3 a5 50. bxa5 b4 51. Ke3 {Accuracy: White = 93%, Black = 87%.} (51. a6 b3 $11) 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "7.1"]
[White "Semjonovs, Ilja"]
[Black "Sveshnikov, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2362"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,16,18,17,6]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6 6. O-O O-O 7. Nd5 d6 8. c3 Nxd5 {[#] Not much happened in this game. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} {Predecessor:} 9. Bxd5 $146 Be6 10. Bxe6 fxe6 11. a3 Bf6 12. b4 b6 13. Be3 Qd7 14. Qb3 a5 15. Qc2 axb4 16. axb4 {½-½ (16) Fedorchuk,S (2669)-Cornette,M (2571) Vandoeuvre 2014} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "7.2"]
[White "Stepins, Edgars"]
[Black "Berzinsh, Roland"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2277"]
[BlackElo "2375"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,124,0,0,-4,0,0,-5,-26,-13,-14,-18,-30,-30,-18,-24,-50,-36,-31,58,-48,-56,-78,-38,-64,-67,-82,-65,-68,-10,-8,0,-32,0,-48,-54,-43,-55,-45,-51,-43,0,-16,0,-47,-31,-54,0,-31,-39,-45,-20,-21,40,59,22,10,15,7,7,41,296,296,572,562,492,210,221,0,223,212,205,214,210,214,215,219,206,215,302,103,103,18,145,139,139,133,129,19,49,22,24,24,70,8,8,0,0,0,0,0,43,46,46,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. c3 Qb6 5. Qc2 Nc6 {[%cal Rc5d4]} 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxc5 7. Nbd2 g6 8. e3 Bg7 9. h3 O-O 10. Be2 Re8 11. O-O e5 $36 {[%mdl 2048] Black has the initiative.} 12. Bh2 Bf5 13. Qb3 Rad8 {[#]} (13... Qe7 $15) 14. Rfc1 $146 (14. Qxb7 $14 Rb8 15. Qa6) ({Predecessor:} 14. Rac1 Qe7 15. Rfe1 Ne4 16. Rcd1 Nc5 17. Qb5 Bc2 18. b4 Na4 {0-1 (18) Stanicic,B-Cvetkovic,S (2423) Vrnjacka Banja 2005}) 14... Qe7 $15 15. Bf1 h5 16. a4 Ne4 17. Rd1 Nc5 18. Qa3 Bf8 (18... Bc2 $15 19. Rdc1 Bd3) 19. b4 $11 Nd3 20. Qb3 Qf6 21. Bg3 g5 $1 22. h4 g4 23. Ne1 Nxe1 24. Rxe1 Qg6 25. a5 Bg7 26. a6 b6 27. Bb5 Re6 ({Better is} 27... Bc2 $15 28. Qb2 Bd3 29. Bxd3 Qxd3) 28. Rac1 Bd3 29. Qa4 Ne7 30. c4 $1 Nf5 (30... e4 $11) 31. cxd5 $14 Rxd5 32. Rc8+ Kh7 33. Bxd3 $1 Rxd3 34. Ne4 Bh6 $2 {[%mdl 8192]} ({Avoid the trap} 34... Nxg3 $2 35. Ng5+ Kh6 36. Nxe6 $18) (34... Nxh4 $1 $14 35. Bxh4 Qxe4) 35. Qb5 Nd6 $2 (35... Nxg3 36. Nxg3 Rd2) 36. Nxd6 $18 ({Weaker is} 36. Qxd3 Nxc8 37. Qd5 Rc6 $18) 36... Rdxd6 37. Bxe5 (37. Rc7 $142) 37... Qf5 38. Rh8+ Kg6 {[#]} 39. Rxh6+ $1 {[%mdl 64] Remove Defender} Kxh6 40. Bf4+ Kg6 41. Qxf5+ Kxf5 42. Bxd6 Rxd6 {[%mdl 4096] Endgame KR-KR} 43. Rc1 {Rc7 is the strong threat.} Ke6 (43... b5 {was worth a try.} 44. Rc7 Rxa6) 44. Kf1 $2 (44. Rc7 $18 {and White stays clearly on top.}) 44... b5 $16 45. Ra1 (45. Kg1 $16) 45... Rd2 (45... Rc6 $11) 46. Ra5 Rd5 47. Ke2 f5 48. Ra2 (48. f3 $16) 48... Rd6 $11 49. f3 Ke5 50. Kf2 f4 51. fxg4 (51. exf4+ $1 $14 Kxf4 52. g3+ Kf5 53. Rc2) 51... hxg4 52. exf4+ Kxf4 53. g3+ Ke4 $1 54. Re2+ Kf5 55. Ke3 Re6+ 56. Kd3 {[#] Black must now prevent Rxe6.} (56. Kd2 $5 {[%cal Re2e6]} Rd6+ 57. Kc2 $14) 56... Rxa6 {The position is equal.} 57. Kd4 Rd6+ 58. Kc3 Rc6+ 59. Kb3 Rd6 {And now ...Rd3+ would win.} 60. Re3 Rd1 61. Kc2 Ra1 62. Kd3 Rb1 {Blacks defense is rewarded with a draw. Accuracy: White = 68%, Black = 59%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "7.3"]
[White "Stabulnieks, Klavs"]
[Black "Krivonosov, Oleg"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2204"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,32,21,0,0,6,18,4,9,12,14,20,33,19,64,47,79,50,60,49,51,35,45]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 Bxd3 {D35: Queen's Gambit Declined: Exchange Variation.} 8. Qxd3 Nbd7 9. Nge2 Be7 {The position is equal.} 10. O-O O-O 11. f3 h6 12. Bh4 {[#]} c5 $146 ({Predecessor:} 12... Re8 13. Bf2 b5 14. Ng3 Rc8 15. Nce2 a6 16. b3 c5 17. dxc5 Bxc5 18. Nf4 Ne5 {½-½ (49) Rudenko,A (2332)-Hoppe,F (2247) ICCF email 2015}) 13. dxc5 Nxc5 14. Qd2 Ncd7 {White is slightly better.} 15. Rfd1 Re8 16. Bf2 Nb6 {Black got outplayed after the opening. Accuracy: White = 89%, Black = 89%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "7.4"]
[White "Mustaps, Matiss"]
[Black "Olde, Grete"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2370"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,93,7,9,2,0,-17,0,-62,-54,-62,27,28,99,92,93,6,28,20,6,33,91,77,159,135,163,165,266,134,138,134,202,208,191,202,208,178,290,281,303,312,353,343,479,503,489,480,615,600,638,604,622,543,617,612,816,806,716,661,961,807,854,793,1703,1673,29978,9598,3068,2252,29989,29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O d6 8. c3 O-O 9. Re1 Na5 10. Bc2 c5 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3f5][%mdl 32]} Nc6 12. Nf1 h6 13. h3 Re8 14. Ne3 {C90: Closed Ruy Lopez with 7...d6: Early deviations.} Be6 {is now more promising than 14...Bf8.} 15. Nh2 d5 16. Qf3 (16. exd5 $11 Nxd5 17. Nxd5 Bxd5 18. Ng4) 16... d4 $15 17. Nf5 {[#]} c4 $146 (17... Bf8 $15) ({Predecessor:} 17... Bf8 18. Ng4 Nxg4 19. hxg4 Rc8 20. Qg3 f6 21. Bd2 c4 22. Red1 Qb6 23. Rab1 cxd3 {½-½ (44) Timofeev,A (2651)-Karjakin,S (2723) Khanty-Mansiysk 2009}) 18. dxc4 $11 bxc4 (18... Bf8 $11 {remains equal.}) 19. Ba4 $16 Rc8 {[#]} 20. Ng4 (20. Bxh6 $1 $16 {[%mdl 512]} Bxf5 (20... gxh6 21. Qg3+) 21. exf5) 20... Nxg4 21. Qxg4 {[%csl Gf5][%cal Rg4g7]} Bxf5 22. exf5 {Hoping for Bxh6.} Kh8 ({Better is} 22... Kf8 $14) 23. Qh5 Qd6 (23... Kg8 $142) 24. Qxf7 $40 {[%mdl 128] Black is in trouble.} Rf8 25. Qxc4 Rxf5 (25... dxc3 {was worth a try.} 26. Qxa6 (26. bxc3 Nd4 $16) 26... Nd4 27. Qxd6 Bxd6 28. bxc3 Rxc3) 26. cxd4 ({Don't play} 26. Qxa6 $6 Rff8 $18) ({White should play} 26. Bc2 $18 Rf6 27. Qd3) 26... Bh4 27. Rf1 {Threatens to win with dxe5.} (27. Qxa6 $6 Bxf2+ 28. Kh1 Qd8 $14) 27... exd4 {[#]} (27... Qxd4 $16 28. Qxd4 exd4) 28. Bd2 $1 $18 ({Much less strong is} 28. Qxa6 $6 Qf8 $16) 28... Ne7 29. Qd3 Rcf8 {[%cal Rh4f2]} 30. f4 Ng6 (30... R5f6 $142 31. a3 Qb6) 31. Bc2 Qc5 32. b4 Qd5 33. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} ({Weaker is} 33. Qxa6 d3 $18) 33... Qg8 34. g3 Bd8 35. a5 Qd5 36. Qxa6 R5f6 37. Qd3 Qd7 38. Kg2 Bc7 39. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} h5 40. b6 Bb8 41. Qf3 Qb5 42. Rab1 {[%cal Ba1b1,Bb1b5,Bb5c5][%mdl 32]} Qc5 43. Bd3 Bxf4 44. Rb5 Ne5 45. Qxh5+ Rh6 {[#]} 46. Qxh6+ $1 {[%mdl 512]} Bxh6 47. Rxc5 {Accuracy: White = 78%, Black = 30%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "7.5"]
[White "Chukavin, Kirill"]
[Black "Jazdanovs, Aleksandrs"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2348"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,120,18,14,28,-24,-12,0,48,0,0,0,0,0,0,-2,21,-23,-14,-10,-19,-95,-81,-100,0,-108,-79,-117,-120,-148,-151,-185,-187,-225,-234,-333,-336,-343,-332,-332,-332,-332,-332,-332,-332,-332,-332,-332,-325,-325,-325,-325,-308,-325,-325,-385,-380,-377,-370,-393,-387,-385,-370,-385,-364,-487,-486,-481,-466,-566,-566,-566,-566,-558,-558,-552,-550,-537,-532,-530,-485,-5306,-604,-1010,-571,-29965,-29964,-29966,-29965,-29964,-29958,-29967,-29967,-29949,-6095]} 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 exd4 10. cxd4 Bg4 11. Be3 Na5 12. Bc2 Nc4 13. Bc1 c5 14. b3 Nb6 15. Bb2 Rc8 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4.} 16. dxc5 (16. Nbd2 $142) 16... dxc5 $11 17. Qe2 Bh5 {[#] The position is equal.} 18. e5 $146 ({Predecessor:} 18. Nc3 c4 19. Rad1 Qc7 20. e5 Ne8 21. e6 Nf6 22. Bf5 Rce8 23. Ne4 fxe6 24. Bxe6+ {1-0 (62) Egorova,E (2132)-Soloviev,V St Petersburg 2007}) 18... Nfd5 $1 19. Nc3 Nxc3 20. Bxc3 Nd5 21. Bd2 Qb6 22. a4 c4 23. Bf5 {Strongly threatening axb5.} c3 $36 {[%mdl 2048] Black is pushing.} 24. Bc1 {[#]} (24. Bxc8 $11 Rxc8 25. Bc1) 24... Rcd8 $1 $17 25. axb5 Qxb5 ({Black should play} 25... axb5 $17 26. Bd3 Nb4) 26. Qxb5 (26. Bxh7+ $11 Kxh7 27. Ng5+ Bxg5 28. Qxh5+ Bh6 29. Bxh6 gxh6 30. Qf5+ Kg7 31. Qg4+ Kh7 32. Qf5+ Kg8 33. Qg4+ Kh8 34. Qh3) 26... axb5 {White is on the road to losing.} 27. Nd4 Bg6 28. Bxg6 fxg6 ({Don't play} 28... hxg6 29. Nc6 $17) 29. Nxb5 c2 30. Nd6 {[#]} Nb4 $1 31. Ra7 (31. g3 {was necessary.}) 31... Nd3 $19 {[%mdl 64] Double Attack} (31... Bxd6 32. exd6 Rf7 33. Ra1 $19) 32. Re2 Bxd6 ({Worse is} 32... Nxc1 33. Rxc2 Bxd6 34. exd6 $11) 33. exd6 Rde8 ({Weaker is} 33... Nxc1 34. Rxc2 Nxb3 35. Rcc7 $11) 34. Rae7 Nxc1 35. Rxc2 Nxb3 36. Rc3 Nd4 {Threatens to win with ...Ne2+.} 37. Rd3 Nf5 38. Rxe8 Rxe8 {[%cal Re8e1][%mdl 4096] Endgame KRN-KR} 39. g4 Nh6 40. h3 Rd8 41. f4 Rd7 42. Kg2 Nf7 43. Re3 {[%cal Re3e8]} Nxd6 44. Rd3 Kf7 45. Kf3 Rd8 46. Rd2 Nb7 47. Rc2 {intending Rc7+.} Rd7 48. Rc6 Nd8 49. Rc3 Ne6 50. Ra3 Rd4 51. Ra7+ Ke8 52. Ra8+ Kd7 53. Ra7+ Kc8 54. Rf7 (54. Ra8+ $142 Kb7 55. Rh8) 54... Kd8 55. Ke3 Ke8 56. Rxg7 Nxg7 {Black mates.} 57. Kxd4 Kf7 58. Ke5 Ne8 59. Kd5 Kf6 60. Kd4 Ke6 {Accuracy: White = 48%, Black = 82%.} (60... h5 $142 61. Ke3 h4 62. Kd3 g5 63. Ke4 Nc7 64. f5 Nb5 65. Kd3 Ke5 66. Kd2 Nc7 67. Ke2 Nd5 68. Kf1 Nf4 69. Kf2 Nxh3+ 70. Kf1 Nf4 71. Kf2 Nd5 72. Kg2 Kf4 73. Kh2 Kxg4 74. Kg1 Kxf5 75. Kf1 g4 76. Kf2 g3+ 77. Kf3 Nf4 78. Ke3 h3 79. Kd4 g2 80. Kc5 g1=Q+ 81. Kc4 h2 82. Kb4 h1=Q 83. Kc3 Qc1+ 84. Kb4 Qb7+ 85. Ka5 Qa3#) 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "8.1"]
[White "Sveshnikov, Vladimir"]
[Black "Stepins, Edgars"]
[Result "1-0"]
[ECO "C69"]
[WhiteElo "2424"]
[BlackElo "2277"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,93,6,15,14,27,16,46,12,21,29,29,25,25,25,25,23,27,27,25,20,51,60,175,178,241,241,223,208,283,123,282,288,287,188,211,196,284,247,305,292,305,305,284,266,494,298,291,280,256,0,339,323,529,965,976,969,959,954,881,926,864,766,881,908,925,739,724,690,875,855]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8. Ne2 Qxd1 9. Rxd1 Bd7 10. Nbc3 O-O-O 11. Be3 Bd6 12. Bf4 Bxf4 13. Nxf4 Ne7 14. f3 {C69: Ruy Lopez: Exchange Variation with 5 0-0 f6.} g6 15. Ncd5 Nxd5 16. Rxd5 {White is slightly better.} b6 17. Rad1 Bc6 18. Rxd8+ Rxd8 19. Rxd8+ Kxd8 $11 {[%mdl 4096] [#] Endgame KB-KN} 20. Kf2 $146 ({Predecessor:} 20. Ne6+ Kd7 21. Nf8+ Ke7 22. Nxh7 Kf7 23. e5 fxe5 24. h4 Bd5 25. a3 Ke7 26. Ng5 {1-0 (62) Socko,M (2449)-Pogonina,N (2467) St Petersburg 2009}) 20... Ke7 21. Ke3 Kd6 22. h4 b5 23. g4 c4 (23... g5 $14) 24. g5 $18 fxg5 (24... Ke5 $142) 25. hxg5 Bb7 26. Nh3 c5 {[#]} 27. Nf2 (27. c3 $1 $18 {is the precise move to win.} Bc8 28. Nf2) 27... Ke6 $2 (27... c3 $16 {keeps fighting.} 28. bxc3 Bc8) 28. c3 Bc6 29. Kf4 Bb7 30. Ng4 Bc6 (30... Ba8 $142 31. e5 a5) 31. e5 Bb7 32. Nf6 Bc6 33. Nxh7 a5 34. Nf6 Ba8 $2 (34... Bb7 35. Ne8 Kd5 36. Nc7+ Kc6) 35. Ne4 Kd5 36. Nd6 Bc6 37. Ne4 $2 ({Better is} 37. a4 $18 bxa4 38. Nc8) 37... a4 $2 {[%mdl 8192]} (37... Ba8 $1 $11 {and Black stays safe.}) 38. a3 Ba8 $2 (38... b4 39. Nf6+ (39. cxb4 cxb4 40. axb4 Kd4 $16) 39... Ke6) 39. e6 {[%mdl 64] [#] Deflection, Decoy. White is clearly winning.} Kxe6 40. Nxc5+ Kd6 41. Ne4+ Ke6 42. Ng3 Bc6 43. Ke3 Kd5 44. Ne2 Be8 45. Nd4 Ke5 46. f4+ Kd5 47. f5 {Accuracy: White = 72%, Black = 42%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "8.2"]
[White "Berzinsh, Roland"]
[Black "Jazdanovs, Aleksandrs"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2375"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,79,6,11,49,45,41,50,58,31,43,37,51,53,51,39,51,41,42,42,34,27,23,20,23,23,20,20,25,22,25,25,25,23,32,29,23,22,33,30,29,14,16,9,9,9,31,23,23,14,38,38,27,8,15,9,108,108,413,416,450,442]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. b3 O-O 10. O-O Nc6 11. Bb2 Nxd4 {B52: Sicilian: Moscow Variation with 3...Bd7.} 12. Qxd4 Ne8 13. Qd2 Nc7 {[#] White is slightly better.} 14. Rfe1 $146 ({Predecessor:} 14. Rad1 Rad8 15. Rfe1 Qg4 16. Nd5 Nxd5 17. Bxg7 Nf4 18. f3 Qxg2+ 19. Qxg2 Nxg2 20. Bxf8 Nxe1 21. Bxe7 Nxf3+ {1-0 (33) Aderito,P (2349)-Canda,D (2289) Dresden 2008}) 14... Rfe8 15. Rad1 Rad8 16. a4 a6 {[%cal Ba7a6,Ba6b5,Bb5b4][%mdl 32]} 17. h3 b5 18. cxb5 axb5 19. a5 b4 $1 20. Nd5 Bxb2 21. Qxb2 Nxd5 22. Rxd5 e6 23. Rd4 Qb5 24. Ra1 {Strongly threatening Qd2.} Ra8 25. Rxd6 {a6 is the strong threat.} Rxa5 26. Rad1 Qe5 27. Qxe5 Rxe5 $14 {[%mdl 4096] Endgame KRR-KRR} 28. R1d4 Rb5 29. Rd7 Reb8 30. Rc7 R8b7 31. Rdd7 Rxc7 32. Rxc7 $11 {KR-KR} f6 33. Kf1 h5 34. Ke2 Kf8 35. h4 g5 36. g3 g4 37. Kd3 f5 {[#]} (37... Ra5 $11) 38. exf5 $1 $16 exf5 $2 {[%mdl 8192]} (38... Rxf5 $16 {is tougher.} 39. Rc2 Rf7) 39. Kd4 $18 Ra5 {[#]} 40. Rc5 $1 {Accuracy: White = 96%, Black = 74%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "8.3"]
[White "Golubovskis, Maksims"]
[Black "Mustaps, Matiss"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2062"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,116,57,23,16,28,27,-12,-5,-7,-16,-10,0,-14,-12,-7,-6,-4,0,0,-7,-5,0,-6,-6,-7,0,-1,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-23,-11,-69,-58,-70,-85,-109,-90,-78,-48,-47,-54,-98,-62,-62,-57,-98,-45,-45,-45,-49,-53,-59,-59,-633,-629,-610,-546,-896,-882,-882,-853,-967,-960,-939,-914,-915,-902,-1302,-1244,-1365,-1217,-1063,-1032,-5533,-941,-5565,-5485,-1453,-1020]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 d4 11. Ne2 Bf5 12. O-O Bxd3 {B45: Sicilian Four Knights.} 13. Qxd3 O-O {[#]} 14. c3 $146 ({Predecessor:} 14. Bg5 h6 15. Bh4 g5 16. Bg3 Qd5 17. b4 b5 18. c3 dxc3 19. Qxc3 Ne4 20. Qc2 Rac8 21. Rfd1 Qf5 22. Qb2 {½-½ (65) Akopian,V (2682)-Ter Sahakyan,S (2572) Yerevan 2014}) 14... dxc3 {The position is equal.} 15. Qxd8 Rfxd8 16. Nxc3 h6 17. Re1 Nd4 {[#] Threatens to win with ...Nc2.} 18. Rb1 Rac8 19. Bf4 Nd5 20. Nxd5 Rxd5 21. Kf1 g5 22. Re5 (22. Bg3 {keeps more tension.} f5 23. f3 Kf7 24. Rbd1 f4 25. Bf2) 22... Rd7 23. Rc1 Rxc1+ (23... Rcd8 {feels hotter.} 24. Be3 f6 25. Re4 Nc6 26. b4 a6) 24. Bxc1 $11 {[%mdl 4096] Endgame KRB-KRN} f6 25. Re8+ Kf7 26. Rc8 a6 27. Be3 Nf5 28. Ke2 h5 29. Rc5 Ke6 30. Rc8 Nh4 31. g3 Nf5 32. Rh8 Rc7 33. Kd3 h4 34. gxh4 Nxh4 35. b4 (35. Ke4 $11) 35... Ng6 $15 36. Re8+ Kf5 37. Bc5 Ne5+ 38. Ke2 b5 39. Rh8 Nc4 40. Rh3 Rd7 41. Rf3+ Ke5 42. Be3 {[#]} Rh7 (42... g4 $1 $17 {[%cal Rg4f3]} 43. Rf4 f5) 43. h3 $1 Rh4 44. Bc5 Re4+ 45. Kd3 f5 46. Be7 $2 {[%mdl 8192] This costs White the game.} (46. Rg3 $15) 46... Ke6 $19 {Black is clearly winning.} 47. Rg3 Ne5+ 48. Kd2 Kxe7 {KRN-KR} 49. Rc3 Nc4+ 50. Kd3 Kd6 51. Rc1 Ke5 52. Rg1 Kf4 53. Rh1 Ne5+ 54. Kd2 Rd4+ 55. Ke2 Nf3 56. Ra1 Rd2+ 57. Kf1 Rb2 58. a4 Rxb4 {Accuracy: White = 70%, Black = 91%.} 0-1

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "8.4"]
[White "Semjonovs, Ilja"]
[Black "Kretainis, Kristaps"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2362"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,75,12,41,10,14,11,11,11,13,9,20,26,22,0,9,0,0,-3,3,0,0,0,5,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,12,22,16,31,31,30,32,35,30,31,31,31,31,31,31,31,29,41,4,10,0,6,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 c6 6. Qf3 Qf6 (6... Nf6 {keeps more tension.} 7. Bg5 Bg4 8. Qe3+ Be6 9. Nf3 O-O) 7. Be3 {C01: French: Exchange Variation.} (7. Bf4 {looks sharper.} Ne7 8. O-O-O O-O 9. Nce2 Ng6 10. Bg3) 7... Qxf3 8. Nxf3 Ne7 9. O-O-O {[#]} Bg4 $146 ({Predecessor:} 9... Bf5 10. Be2 Nd7 11. Nh4 Be6 12. Na4 Nf5 13. Nxf5 Bxf5 14. a3 Bd6 15. Nc5 Nxc5 16. dxc5 {½-½ (47) Teske,H (2483)-Shubin,K (2334) St Petersburg 2018}) 10. Bf4 Bxf3 11. gxf3 Kd7 12. Rhg1 g6 13. h4 Bd6 14. Bd2 Kc7 15. h5 Nd7 16. Rde1 Rae8 17. Bg5 h6 18. Bxe7 Bxe7 19. hxg6 Bg5+ 20. Kd1 fxg6 21. Rxe8 Rxe8 22. Bxg6 Rf8 23. Ke2 Rf6 24. Bh5 Nf8 25. Kd3 Ne6 {[#] aiming for ...Nf4+.} 26. Ne2 b6 27. Bg4 Nf4+ 28. Nxf4 Rxf4 $11 {[%mdl 4096] Endgame KRB-KRB} 29. Re1 c5 30. dxc5 bxc5 31. c3 c4+ 32. Kc2 d4 33. cxd4 Rxd4 34. Re2 Kd6 {The position is equal.} 35. Bf5 Kc5 36. Be6 Rf4 37. Bg4 Rd4 38. Be6 {Accuracy: White = 92%, Black = 100%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.20"]
[Round "8.5"]
[White "Krivonosov, Oleg"]
[Black "Gudovskis, Konstantins"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2391"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,137,22,51,14,15,9,16,10,16,12,31,-6,45,1,30,30,30,27,37,20,70,17,95,0,13,0,83,71,70,71,71,71,81,75,93,94,108,109,178,58,72,61,67,67,68,32,33,31,60,60,58,47,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,0,60,0,60,10,10,10,10,10,10,10,10,10,17,10,10,10,12847,12847,12848,12848,12849,12849]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 e6 7. e3 Bd6 8. Bg3 O-O {8...Bxg3 gains popularity.} 9. Bd3 Qe7 10. O-O {D13: Slav Defence: Exchange variation without ...Bf5.} Bxg3 11. hxg3 Bd7 12. Rc1 {The position is equal.} Rfc8 {[#]} 13. Ne5 $146 ({Predecessor:} 13. a3 a6 14. Qe2 Rc7 15. e4 dxe4 16. Nxe4 Rac8 17. Rc2 g6 18. Rfc1 Nxe4 19. Qxe4 {1-0 (41) Avanesov,N (2394)-Gutsko,N (2342) Krasnograd 2018}) 13... Be8 14. f4 Nd7 (14... h5 $11) 15. Bb1 Nf8 16. g4 f6 17. Nf3 Na5 18. b3 b6 19. g5 ({White should try} 19. f5 $14) 19... Nb7 (19... fxg5 $11 20. Nxg5 Nb7) 20. g4 (20. gxf6 $16 gxf6 21. f5) 20... Nd6 21. Qd2 Nb5 (21... fxg5 $11 {keeps the balance.} 22. Nxg5 Bg6) 22. Nxb5 Bxb5 23. gxf6 gxf6 24. Rfe1 Be8 25. Kf2 Rxc1 26. Rxc1 Bd7 27. g5 Be8 (27... f5 $16) 28. Rh1 (28. gxf6 $18 Qxf6 29. Rc7) 28... Rc8 $14 29. gxf6 Qxf6 30. Ne5 Bg6 31. Bxg6 Nxg6 32. Qd3 Kg7 33. Rh5 Rc7 34. Rg5 Kf8 35. Nxg6+ (35. Nf3 $1 $14) 35... hxg6 $11 36. Qxg6 (36. Ke2 {feels hotter.} Kf7 37. Kd2 Qg7 38. Qf1 Qh6 39. Rg1) 36... Qxg6 37. Rxg6 $14 {[%mdl 4096] Endgame KR-KR} Kf7 38. Rg2 Kf6 39. Kf3 a5 40. Rh2 Rc1 41. Rh8 Rf1+ 42. Ke2 Ra1 43. Rf8+ Ke7 44. Rb8 {aiming for a4.} Rxa2+ 45. Kf3 Rb2 46. Rxb6 a4 47. b4 Kf6 48. b5 a3 ({Black should play} 48... Rb1 $11) 49. Ra6 Rxb5 50. Rxa3 Rb1 51. Ra8 $1 Rf1+ 52. Ke2 Rb1 53. Rh8 Ke7 54. Rh5 Ra1 55. Re5 {[#] Threatens to win with f5.} Kd6 56. Kf3 Rf1+ 57. Kg4 Rg1+ 58. Kf3 Rf1+ 59. Ke2 Ra1 $1 60. f5 exf5 61. Rxf5 Ke6 62. Rh5 Ra2+ 63. Kf3 Rb2 64. Rh6+ Kf5 65. Rd6 Rb5 $1 66. Rd8 {[#] Black must now prevent Re8.} Ra5 $2 {[%mdl 8192]} (66... Ke6 $11) 67. Re8 $18 {White is clearly winning.} Rb5 68. Re5+ Kf6 69. Kf4 {Accuracy: White = 80%, Black = 78%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.21"]
[Round "9.1"]
[White "Mustaps, Matiss"]
[Black "Sveshnikov, Vladimir"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2370"]
[BlackElo "2424"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,26,0,25]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 O-O {[#] 13...Qb6 is more fashionable.} {Predecessor:} 14. Ne4 $146 {B19: Classical Caro-Kann: 4...Bf5 main line.} c5 15. g4 Nxg4 16. Qe2 Qb6 17. Ne5 Ndxe5 18. dxe5 f5 19. exf6 Nxf6 20. Rdg1 Nxe4 21. Qxe4 Bf6 22. b3 {½-½ (40) So,W (2765)-Navara,D (2738) Saint Louis 2019} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.21"]
[Round "9.2"]
[White "Berzinsh, Roland"]
[Black "Olde, Margareth"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2375"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,31,0,0,0,0,0,0,0,0,0,27,26,10,0,16,0,23,16,20,15,24,21]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 $1 {[%cal Rd5c4]} 7. Be2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ne4 {[#] aiming for ...d3!} 8. cxd4 Bb6 9. O-O {The position is equal.} O-O 10. Nc3 f6 11. exf6 Nxf6 12. Be3 Ne7 13. Na4 {[#]} Ng4 $146 ({Predecessor:} 13... Nf5 14. Bf4 Ne4 15. Nxb6 axb6 16. Be5 c6 17. Qc2 Nfd6 18. Bd3 Bf5 19. Ne1 Qd7 {1-0 (35) Godena,M (2497)-Van Hoolandt,P (2188) Geneve 2016}) 14. Bg5 Qd6 {And now ...Rxf3! would win.} 15. h3 Rxf3 {[%csl Gg4][%cal Rd6h2] [#]} 16. hxg4 {Not much happened in this game. Accuracy: White = 100%, Black = 87%.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.21"]
[Round "9.3"]
[White "Krivonosov, Oleg"]
[Black "Semjonovs, Ilja"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2391"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,20,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 cxd4 6. exd4 d5 7. cxd5 exd5 8. Bg5 Be7 9. Be2 O-O 10. O-O Be6 {Not much happened in this game. B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 1/2-1/2

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.21"]
[Round "9.4"]
[White "Chukavin, Kirill"]
[Black "Stabulnieks, Klavs"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2348"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,93,-4,-30,12,-77,-16,-31,-25,-47,0,0,13,6,0,0,36,15,38,50,48,54,37,19,23,38,33,18,33,31,68,41,53,62,77,83,81,73,115,125,127,123,156,87,107,97,165,157,138,102,160,145,191,197,215,216,500,500,452,454,481,494,448,360,351,304,384,386,378,370,347,306,820,496,1968,1920,4714,4606]} 1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. f4 g6 5. Nf3 Bg7 6. Bc4 e6 7. O-O Nge7 8. d3 O-O 9. Qe1 d5 10. Bb3 Nb4 {B23: Closed Sicilian: Lines without g3.} 11. Qh4 {[#]} (11. Qf2 $11 {remains equal.}) 11... b6 $146 (11... Nec6 $1 $17 {And now ...Qxh4 would win.} 12. Qxd8 Rxd8) ({Predecessor:} 11... Nec6 12. Qxd8 Rxd8 13. a5 Nd4 14. Nxd4 cxd4 15. Na4 dxe4 16. Nb6 Rb8 17. dxe4 {1-0 (31) Turek,L (1979)-Miceli,D (1647) Ljubljana 2017}) 12. f5 $11 exf5 {Black is slightly better.} 13. e5 f4 14. Bxf4 Nf5 15. Qxd8 Rxd8 16. Bg5 Rd7 17. g4 Nd4 18. Nxd4 cxd4 19. Ne2 Bxe5 20. Bf6 Nc6 21. Bxe5 Nxe5 22. g5 Rd6 23. Nxd4 {Strongly threatening Rae1.} Bh3 24. Rf4 Nd7 25. Re1 $36 {[%mdl 2048] White is more active.} Nc5 26. Re7 Rf8 27. Kf2 Bd7 28. Rf6 Be6 29. Kg3 Nd7 30. Rf2 ({Better is} 30. Nxe6 Nxf6 31. Nxf8 Nh5+ 32. Kf3 Kxf8 33. Ra7) 30... Nc5 $16 31. h4 Bd7 {[#]} (31... Rd7 $16 32. Rxd7 Nxd7) 32. Rf6 $1 $18 {[%cal Rf6d6]} Be6 33. h5 Nd7 (33... gxh5 $142 34. Kh4 Rdd8) 34. Rf2 $16 ({Much worse is} 34. Rfxe6 $6 fxe6 35. Nxe6 (35. Rxe6 Rxe6 36. Bxd5 {[%mdl 64] Pin} Kh8 $11) 35... Rf1 $11) (34. Nxe6 $6 Nxf6 35. Nxf8 Nxh5+ 36. Kg4 Kxf8 $11) 34... gxh5 35. Nf5 Bxf5 36. Rxf5 h6 $2 (36... Kg7 37. d4 (37. Bxd5 Kg6 $18) (37. Rxd5 Rxd5 38. Bxd5 Nc5 $16) 37... h6) 37. Rxd5 $18 Rxd5 38. Bxd5 {[%mdl 4096] Endgame KRB-KRN} Nc5 39. g6 Kg7 40. gxf7 Nxa4 41. Kf4 Nxb2 42. Re1 Kf6 43. Ra1 a5 44. Ke4 Ke7 $2 (44... b5 45. Rxa5 Nd1) 45. Kd4 {White is clearly winning.} Rc8 (45... b5 $142 46. Rxa5 Rb8) 46. c4 a4 47. Ra2 {Accuracy: White = 72%, Black = 36%.} 1-0

[Event "Riga Summer Festival 2020"]
[Site "Riga"]
[Date "2020.06.21"]
[Round "9.5"]
[White "Stepins, Edgars"]
[Black "Katishonok, Nikolaj"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2277"]
[BlackElo "2101"]
[Annotator "TA"]
[PlyCount "258"]
[EventDate "2020.06.15"]
[EventType "swiss"]
[EventCountry "LAT"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,258,10,11,22,19,31,33,39,41,39,54,43,60,66,52,90,60,98,97,74,7,13,15,10,22,21,13,18,-4,14,-10,-14,-5,33,21,18,8,10,12,24,11,8,-6,1,-6,-9,-8,-6,-10,-9,-22,0,-6,0,-15,-15,-15,-15,-15,-15,-16,-16,-46,-16,-271,0,0,0,0,0,-139,-30,-190,-192,-226,-225,-211,-232,-329,-347,-345,-324,-408,-379,-483,-497,-463,-295,-476,-481,-455,-402,-903,-455,-375,-223,-553,-495,-5583,-316,-966,-898,-751,-565,-606,-584,-539,-150,-716,-159,-176,-180,-208,-126,-130,0,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,8,0,0,0,48,48,48,48,48,47,47,48,48,47,47,47,48,48,48,48,55,55,56,56,56,56,56,56,56,56,59,59,70,47,47,0,70,70,70,70,70,70,70,70,70,56,63,63,70,70,70,30,41,41,56,30,30,30,56,15,8,8,8,30,56,48,56,59,59,8,39,0,8,8,52,8,49,53,63,8,8,8,15,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Bb5 Nxc3 8. bxc3 Qa5 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 9. Qb3 Bd7 10. O-O Be7 {[#] White is slightly better.} 11. e4 $146 ({Predecessor:} 11. Bd3 Qc7 12. e4 O-O 13. Rd1 cxd4 14. cxd4 Na5 15. Qb1 Ba4 16. Re1 b5 17. Bd2 {1-0 (79) Boitsov,G (2200)-Solberg,J (2089) Vadso 2008}) 11... cxd4 12. cxd4 a6 13. Be2 Qb4 14. Qd3 Qa4 15. Bd1 Qa5 16. Bd2 Qa3 17. Qxa3 ({Better is} 17. Qb1 $16) 17... Bxa3 $11 18. Rb1 b5 $1 19. d5 exd5 20. exd5 Ne7 21. Nd4 Bc5 22. Nc6 Nxd5 23. Re1+ Ne7 24. Bf3 Rc8 25. Bb4 (25. Nb4 {seems wilder.} Bd6 26. Nxa6 O-O 27. Ba5 Bc6 28. Rbd1) 25... Bxb4 26. Nxb4 Be6 27. Nxa6 O-O 28. Nb4 Nf5 29. g3 Nd4 30. Be4 Rfd8 31. Rb2 Bc4 32. f4 h6 33. Kf2 g5 34. f5 Rd6 35. g4 $1 Kg7 36. Bg2 Kf6 37. h3 {[#]} h5 $1 {[%mdl 512]} 38. Re4 (38. gxh5 Nxf5) 38... Rc5 39. Rb1 $2 {[%mdl 8192] [#]} (39. Re3 $11) 39... Re5 $2 (39... Nc2 $1 $19 {[%mdl 512]} 40. gxh5 (40. Nxc2 Rd2+) 40... Rxf5+ 41. Kg3 Nxb4 42. Rxb4 Rd3+ 43. Kh2 Rf2) 40. Rxe5 Kxe5 41. Re1+ Kf6 42. Re8 (42. Rc1 $11 {remains equal.}) 42... h4 (42... hxg4 $1 $17 43. hxg4 Nc2 $1 {[%mdl 512]}) 43. Ke3 $2 {[#]} (43. Re3 $11) 43... Ne2 $1 $19 44. Bf1 Nf4 45. Bxc4 bxc4 {[%mdl 4096] Endgame KRN-KRN} 46. Ke4 (46. Re4 {was necessary.} Nxh3 47. Rxc4) 46... Rd1 ({Stronger than} 46... Nxh3 47. Nd5+ Kg7 48. Ke5 $11) 47. Rc8 Re1+ ({Don't do} 47... Nxh3 48. Nd5+ Kg7 49. f6+ Kh7 50. Ne3 $19) 48. Kf3 Rh1 49. Rxc4 Rxh3+ 50. Kf2 Rh2+ 51. Kg1 $2 (51. Kf3 {was the only defense.}) 51... Rg2+ {[%mdl 64] Double Attack} 52. Kh1 h3 53. Re4 (53. Rc3 $142 Rxg4 54. Rb3) 53... Kg7 54. Re3 Rxg4 (54... Ne2 $142 55. Rxh3 Rxg4 56. f6+ Kg6) 55. a4 $2 (55. a3 {is more resistant.}) 55... Rg2 {Hoping for ...g4.} 56. a5 (56. Rxh3 $142 Rb2 57. Ra3 Rxb4 58. a5) 56... Rb2 $2 (56... g4 {Threatens to win with ...g3.} 57. f6+ Kxf6) 57. Re4 $2 (57. Nd3 Rb3 58. f6+ Kf8 59. a6 Nxd3 60. Kg1) 57... Rb1+ 58. Kh2 Ra1 59. a6 Kf6 60. Rc4 {[#]} Kxf5 $2 (60... Ra3 $1 $19 61. Kh1 Kxf5) 61. Rc7 $2 (61. Rc2 $17) 61... f6 $2 (61... g4 $19 {has better winning chances. aiming for ...Kg6.} 62. Rxf7+ Kg5) 62. Rc2 $17 Ne6 63. Kxh3 g4+ 64. Kh2 Ke5 (64... Ra4 $17 65. Rc8 Kf4 66. Nd5+ Ke5) 65. Na2 {[#]} Nc7 $1 {[%mdl 512]} 66. a7 (66. Rxc7 Rxa2+) 66... Kd6 67. Kg3 f5 68. Kf4 Rf1+ 69. Kg5 {And now Rxc7! would win.} Ra1 70. Kxf5 g3 71. Ke4 g2 72. Rxg2 Kc6 73. Rb2 Re1+ 74. Kd3 {Black must now prevent Nb4+.} Rd1+ 75. Kc4 Ra1 $1 76. Kd3 Na8 77. Kc3 Kc7 78. Kc4 Nb6+ 79. Kd4 Rd1+ 80. Ke4 {Strongly threatening Rxb6!} Rd8 81. Nc3 Ra8 82. Ra2 Kb7 83. Nb5 Nc8 84. Kd5 Nxa7 85. Nd6+ Kc7 86. Kc5 Kb8 87. Rh2 Nc8 $1 88. Rh8 Ra5+ 89. Kb4 Rg5 90. Rxc8+ $14 {KRN-KR} Ka7 91. Rh8 Kb6 92. Rh6 Kc7 93. Kc4 Kd7 94. Ne4 Rg1 95. Kd5 Rd1+ 96. Ke5 Kc7 97. Nc3 Rd2 98. Nd5+ Kb7 99. Rb6+ Ka7 100. Rb3 Rh2 101. Kd6 Rh6+ 102. Kc5 Rh1 103. Nb4 {Threatening mate with Nc6+.} (103. Kc6 {looks sharper.} Rg1 104. Rc3 Rg6+ 105. Kc5 Rg1 106. Rc2) 103... Rh5+ 104. Nd5 Rh1 $1 105. Kc6 Rh6+ 106. Kb5 Rh5 107. Rd3 Kb7 108. Kc5 Rh6 109. Rg3 Rc6+ 110. Kb5 {White threatens Rg7+ and mate.} Rc1 111. Rg7+ Kc8 112. Ne3 Kd8 113. Nc4 Ke8 114. Kc5 Kf8 115. Ra7 Rd1 116. Ne3 Rg1 117. Kd6 Rg6+ 118. Ke5 Rb6 119. Nd5 Rb1 120. Nf4 Re1+ 121. Kd6 (121. Kf6 $14 Ke8 122. Nd3) 121... Kg8 122. Ng6 Rg1 123. Ne5 Rb1 124. Rc7 Rb6+ 125. Nc6 Rb1 126. Ke6 (126. Nd4 $1 $14) 126... Re1+ $11 {The position is equal.} 127. Ne5 Re2 128. Kf6 Rf2+ 129. Kg6 {Ng4 would kill now.} Rg2+ {White happily takes the draw. Accuracy: White = 68%, Black = 74%.} 1/2-1/2

