[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.06"]
[Round "1.1"]
[White "Stefansson, Vignir Vatnar"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2330"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,-1,4,4,3,-25,-37,-41,-48,-33,-46,-39,-55,-80,-77,-78,-55,-53,-55,-77,-66,-80,-86,-99,-91,-93,-85,-129,-122,-132,-131,-132,-148,-326,-350,-353,-361,-412,-406,-452,-457,-428,-362,-431,-423,-452,-431,-477,-484,-698,-714,-745,-739,-733,-712,-775,-750,-2737,-2679]} 1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. g3 b5 5. Bg2 Bb7 6. b3 {E10: Blumenfeld Gambit.} c5 {[#]} 7. Ba3 $146 ({Predecessor:} 7. d5 exd5 8. Nh4 Ne4 9. cxd5 Qf6 10. Bxe4 Qxa1 11. Qc2 d6 12. O-O Qf6 13. Bb2 {1-0 (56) Salem,A (2638)-Khismatullin,D (2632) Riadh 2017}) 7... Qa5+ 8. Qd2 {Black is slightly better.} Qxd2+ 9. Nbxd2 cxd4 10. Bxf8 Rxf8 11. Kf1 Bxf3 12. Nxf3 {[#]} bxc4 $1 13. Nxd4 Ra7 14. bxc4 Rc7 15. e3 Rxc4 16. Rb1 {[#]} Ke7 $1 17. Ke2 d5 18. Rb6 Nfd7 19. Rb2 Rfc8 20. Kd2 Nc6 21. Bf1 $2 (21. Nxc6+ $17 {was called for.} R4xc6 22. Bf1) 21... Nxd4 $19 22. Bxc4 dxc4 23. Rb7 Nb5 24. a4 Nd6 25. Ra7 Rc6 26. Rb1 Ne4+ {Black is clearly winning.} 27. Kc2 Nxf2 28. a5 Ng4 29. Rb6 (29. Re1 $142) 29... Nxe3+ 30. Kd2 Rxb6 31. axb6 Nd5 32. b7 c3+ 33. Kc2 Nb8 {Black took control after the opening.  Weighted Error Value: White=0.65/Black=0.02} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.07"]
[Round "1.2"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Stefansson, Vignir Vatnar"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2578"]
[BlackElo "2330"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,93,-25,-31,-37,-37,-40,-34,-41,-29,-58,-34,-36,-30,-46,-23,-19,-12,-16,0,0,-9,0,0,0,44,33,100,109,86,99,79,12,42,0,0,0,0,0,0,0,58,55,107,93,110,123,149,129,220,220,226,226,220,183,222,230,348,343,322,268,418,253,969,968,806,0,128,0,958,925,1698,1604,1675,997,29985,29986,29986,29987,29952,6315]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. b3 O-O 8. Bb2 Qc7 9. c4 {A06: Réti Opening: 1 Nf3 d5.} d4 10. e3 {[%cal Re3d4]} e5 11. a3 {Black is slightly better.} Bf5 {[#]} 12. Qc2 $146 ({Predecessor:} 12. e4 Bd7 13. Nh4 g6 14. Qe1 Qd8 15. h3 Nh5 16. Nhf3 Qc7 17. Kh2 Rae8 18. Ng1 {1-0 (44) Gonzalez Mateo,J (1819)-Lizon Martinez,S (1739) Tres Cantos 2019}) 12... Rad8 {aiming for ...dxe3.} 13. exd4 exd4 14. Rae1 Rfe8 15. Ng5 Qc8 16. Bc1 Nd7 17. f4 Nf6 18. Nge4 Ng4 19. Nf3 Bg6 20. h3 f5 21. hxg4 $16 fxe4 22. dxe4 Qxg4 23. Qf2 (23. f5 $16) 23... Qd7 $1 $11 24. Kh2 Bh5 25. e5 Bg4 26. Nd2 g6 27. Rh1 d3 (27... h5 $11) 28. Bb2 $14 Qe6 (28... Rf8 $14) 29. Re3 $16 Rf8 30. Ne4 $1 {[%cal Re4d6] Nd6! is the strong threat.} Rf5 31. Nd6 {Strongly threatening Bd5.} Rxd6 (31... Bxd6 $2 32. Bd5 $18) (31... Rh5+ $16 32. Kg1 Bxd6 33. exd6 Rxh1+ 34. Bxh1 Qxd6 35. Bd5+ Kf8 36. Rxd3 Be6) 32. exd6 $18 Qxd6 {White must now prevent ...d2.} 33. Qd2 Be2 34. Bd5+ (34. Qc3 Bf6 $17) 34... Kf8 35. Kg1 (35. Qc3 Bf6 $17) 35... Nd4 (35... h5 $142 36. Be6 (36. Qc3 $2 Bf6 $19) 36... Rf7 37. Bxf7 Kxf7) 36. Rxh7 Rxd5 37. cxd5 (37. Rhxe7 Nf3+ 38. Rxf3 Qxe7 $11) 37... Bf6 (37... Nf3+ $142 38. Rxf3 Bxf3 39. Rh8+ Kf7) 38. f5 g5 $2 (38... Nxf5 39. Bxf6 (39. Rxb7 $2 Nxe3 40. Qxe3 Bxb2 $19) 39... Qxf6) 39. Rh6 Kf7 40. Rh7+ $2 (40. Qa5 $18 Kg7 {[#]} 41. Rxf6 $1 {[%mdl 512]} Qxf6 42. Re6 $1 {[%mdl 576] Pin}) 40... Kg8 (40... Kf8 $11 {remains equal.}) 41. Rh6 (41. Rxb7 Nf3+ 42. Rxf3 Bxf3 $16) ({White should try} 41. Rh3 $16 {Threatens to win with Rh6.} Qxd5 {[%mdl 64] Double Attack} 42. Bxd4 (42. Re8+ $2 Kf7 $19) 42... Bxd4 43. Kh2) 41... Qd8 $2 {[%mdl 8192]} (41... Kf7 $11) 42. Kf2 Kg7 43. Rg6+ Kh7 44. Re4 {White wants to mate with Rh4+!} Qf8 45. Qc1 {White mates.} Bf3 46. Bxd4 Bxd4+ {[#]} 47. Rxd4 $1 {Weighted Error Value: White=0.32/Black=0.47} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.07"]
[Round "1.2"]
[White "Petursson, Margeir"]
[Black "Kjartansson, Gudmundur"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "2450"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,0,6,14,-29,26,16,14,-28,33,-62,-63,-137,-78,-61,-55,-53,-22,-15,-11,-18,27,16,40,23,31,0,4,-77,119,19,145,-331,-352,-321,-214,-221,-194,-274,-273,-244,0,-578,-535,-555,-569,-533,-505,-514,-423,-396,-303,-429,-416,-836,-804,-819,-768,-702,-547,-536,-497]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 dxc4 7. e4 b5 {D43: Semi-Slav: 5 Bg5 h6.} 8. Be2 (8. e5 $5 {[%cal Re5f6]} g5 9. Nxg5 hxg5 10. Bxg5 $11 {[%mdl 64] Pin}) 8... Qb6 (8... Be7 $142) 9. O-O {[#]} Bb7 $146 {The position is equal.} ({Predecessor:} 9... Nbd7 10. a4 b4 11. a5 Qc7 12. Na4 Nxe4 13. Bxc4 Bd6 14. Re1 Nef6 15. Nc5 O-O {1-0 (25) Tabatabaei,M (2629)-Sevian,S (2660) chess.com INT 2020}) 10. Ne5 (10. Bxf6 $5 gxf6 11. a4 $15) 10... Bb4 {[#]} (10... Nbd7 $11) 11. f4 (11. Nxf7 $1 $14 Kxf7 (11... O-O 12. Bxf6) 12. e5 Bxc3 13. bxc3) 11... Nbd7 $15 12. Nxf7 Kxf7 (12... O-O $142 $1 13. e5 Rxf7 14. exf6 Nxf6) 13. e5 $17 {[#]} c5 $1 14. exf6 cxd4 15. Bh5+ Kg8 16. Kh1 $1 Rh7 17. f7+ Kf8 $1 {[#]} 18. Bg6 $1 {[%mdl 1024] White has compensation.} Rh8 19. Ne4 (19. Bf2 {keeps more tension.} e5 20. Be4 Bxc3 21. Bxb7 Qxb7 22. bxc3 Kxf7 23. fxe5 Rhe8 24. Bxd4+ Kg8 25. a4) 19... Be7 $36 {[%mdl 2048] White is under pressure.} 20. Bf2 (20. Qg4 $11 Bxh4 21. Qxh4) 20... e5 $2 (20... Qc6 $17 {and life is bright.} 21. Qf3 (21. Bxd4 $2 e5 $19 {[%mdl 64] Discovered Attack}) 21... d3) 21. Qh5 $16 Rd8 (21... a5 $1 $11 {remains equal.}) 22. Ng5 $2 {[%mdl 8192] [#]} Nf6 $1 $19 {[%cal Rf6h5]} 23. Qh3 {aiming for Ne6+.} Bc8 24. f5 {[#]} e4 $1 25. Rfe1 ({Much worse is} 25. Ne6+ Bxe6 26. fxe6 e3 $17) (25. Bg1 $142) 25... e3 26. Bg1 Rd5 $2 (26... Bb4 $19 27. Rf1 Ke7) 27. Bxe3 $2 {[%mdl 8192]} ({But not} 27. Ne6+ $2 Bxe6 28. fxe6 Rg5 $17) (27. Nf3 $1 $11 {and White is okay.}) 27... dxe3 28. Ne6+ Bxe6 29. fxe6 Re5 30. Qf3 Rxe6 31. Rad1 {White threatens Qa8+ and mate.} Qc6 32. Qf4 (32. Qg3 {keeps fighting.} Qb6 33. Qf3) 32... Bd6 33. Rxe3 (33. Qd4 $142 Qb6 34. Bf5 Qxd4 35. Rxd4) 33... Bxf4 {Black is clearly winning.} 34. Rd8+ Ke7 $1 35. Rxh8 Nd7 {( -> ...Nf8)} 36. Re8+ Kf6 {Weighted Error Value: White=0.72/Black=0.47} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.07"]
[Round "1.2"]
[White "Gretarsson, Helgi Ass"]
[Black "Hjartarson, Johann"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2440"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,18,43,42,40,41,38,40,44,38,53,32,43,42,39,41,42,21,43,46,60,56,56,53,56,44,45,62,60,62,63,75,60,68,55,60,55,61,50,0,0,0,0,7,270,256,264,255,258,250,488,489,551,556,565,536,501,361,374,356,362,368,342,350,343,342,419,408,410,395,402,399,450,451,467,472,644,614,748,731,1094,984,1303,1122,3077,3327,2643]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 b5 6. e5 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} Nd5 7. Nxb5 Nb6 8. Be2 {White is slightly better.} Nc6 9. O-O Be7 10. Qd2 $1 {[%mdl 4] is recently more successful than 10.Be3.} O-O 11. Rd1 Rb8 12. Nc3 Nb4 13. Qf4 {[#]} Nc2 $146 ({Predecessor:} 13... Bb7 14. Qg4 Kh8 15. h4 Nd3 16. Bxd3 cxd3 17. Rxd3 c5 18. Bg5 Bxf3 19. Rxf3 Bxg5 20. hxg5 Qxd4 {½-½ (58) Lazavik,D (2436)-Geller,J (2521) chess.com INT 2020}) 14. Rb1 Nd5 15. Qd2 Nxc3 16. Qxc3 Na3 {[%mdl 64] Pin} 17. Ra1 Bb4 18. Qe3 Nc2 {[%csl LRa1,LRe3][%mdl 64] Double Attack} 19. Qe4 Nxa1 20. Ng5 $1 {[%csl Gg5][%cal Re4h7]} g6 21. Qh4 $1 {[%csl Gg5][%cal Rh4h7]} h5 22. Bxh5 $1 $40 {[%mdl 128] White is up to no good.} Qe7 (22... gxh5 23. Qxh5 Qxg5 24. Qxg5+ Kh7 25. Qh5+ Kg8 26. Bh6 Be7 27. Qg4+ Bg5 28. Qxg5+ Kh8 29. Qg7#) 23. Be2 {[%csl Gg5][%cal Rh4h7]} f6 24. Ne4 {[%cal Re5f6]} fxe5 25. Qg3 exd4 {And now ...d3 would win.} 26. Bh6 Bb7 $2 {[%mdl 8192] This move loses the game for Black.} 27. Qxg6+ $18 Kh8 {Strongly threatening ...Rf5.} 28. Bxf8 Rxf8 29. Ng5 Nc2 (29... d3 {keeps fighting.} 30. Bxd3 cxd3) 30. Bxc4 Bd5 {[#]} 31. Rd3 $1 {White wants to mate with Rh3+.} Ne3 32. Rxd4 {Intending Rh4+ and mate.} ({Wrong is} 32. fxe3 $2 Bxc4 33. Rd1 dxe3 $19) ({Stronger than} 32. Bxd5 exd5 33. Qh6+ (33. fxe3 dxe3 34. Ne6 Rf6 $11) (33. Rxd4 Nf5 $17) 33... Kg8 $11) 32... Nf5 33. Rd3 {White threatens Rh3+ and mate.} Qg7 {[#]} 34. Rh3+ $1 Kg8 {[#]} 35. Qxe6+ {[%mdl 512]} Bxe6 36. Bxe6+ Rf7 37. Bxf7+ Qxf7 38. Nxf7 Kxf7 39. g4 Ne7 40. f4 Bd6 41. f5 {White is clearly winning.} Kf6 {Black hopes to continue with ...Kg5.} 42. Kg2 Nd5 {Threatens to win with ...Nf4+.} 43. Kf3 Nb4 44. Rh6+ Kg7 45. g5 Nd3 46. f6+ Kf7 47. Ke4 Ke8 {Weighted Error Value: White=0.07/Black=0.33} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.07"]
[Round "1.2"]
[White "Thorfinnsson, Bragi"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[ECO "E25"]
[WhiteElo "2439"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,10,10,4,18,14,20,-2,0,-23,-7,-19,0,-9,0,0,0,-19,-7,-5,-6,-6,-6,-8,0,0,-4,-48,-48,-38,-33,-43,-72,-132,-106,-122,27,14,247,251,218,-173,-184,-164,-8,-9,-6,-516,-494,-1468,-1430,-29969,-29968,-5114,-4702]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 Nxd5 8. dxc5 Qa5 9. e4 Ne7 10. Be3 O-O 11. Qb3 Qc7 12. Bb5 {12.Nh3 is not played anymore. E25: Nimzo-Indian: Sämisch: 5...c5 6 f3 d5 7 cxd5.} Nec6 13. Ne2 Na5 {[#]} 14. Qb1 $146 {The position is equal.} ({Predecessor:} 14. Qb4 e5 15. Nd4 Nbc6 16. Qb2 Rb8 17. Nf5 Be6 18. O-O a6 19. Ba4 Nc4 20. Qf2 {0-1 (96) Smirnov,A (2604)-Abdusattorov,N (2635) Wijk aan Zee 2020}) 14... e5 15. O-O Be6 16. Qe1 Bc4 17. Rb1 Bxb5 18. Rxb5 Nc4 19. Qf2 Nxa3 20. Rb3 Nc4 21. Rfb1 Nd7 22. Rxb7 Qc6 23. Ng3 {Strongly threatening Nf5.} g6 24. Bh6 Nxc5 25. Bxf8 Nxb7 26. Bh6 a5 27. f4 (27. Nf5 $142 gxf5 {[%mdl 64] Discovered Attack} 28. Qh4 (28. Qg3+ Qg6 $17)) 27... a4 28. fxe5 {And now e6! would win.} a3 ({But not} 28... Nxe5 $2 29. Rxb7 $1 {[%mdl 512]} a3 30. Ra7 $18) (28... Nd8 $17 {White must now prevent ...a3.} 29. e6 Qxe6) 29. e6 $1 $11 Nd8 (29... fxe6 $11 30. Qf6 Qc5+ 31. Kh1 Qe5 $1) 30. e7 $40 {[%mdl 128] White has strong attack.} Ne6 {[#]} 31. Qf6 $4 {[%mdl 8192]} (31. Nh5 $1 $18 {[%cal Rh5f6][%mdl 512]} Nd6 32. Rf1 $1) 31... a2 $19 32. Rf1 {[#]} Qc5+ $2 (32... Nd6 $1 $19 33. e5 a1=Q 34. exd6 {[#]} Qxf1+ $1 35. Nxf1 Qxd6) 33. Kh1 $11 Ne5 34. Be3 $2 {[%mdl 8192]} Qxc3 $19 ({Not} 34... Qxe3 35. Qxe5 a1=Q 36. e8=Q+ Rxe8 37. Rxa1 $15) 35. Nf5 (35. Ne2 $142 Qxe3 36. Qxe5 Qxe2 37. Qf6) 35... gxf5 36. exf5 a1=Q 37. fxe6 {[#]} Qxf1+ $1 {Weighted Error Value: White=0.91/Black=0.32} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.06"]
[Round "1.2"]
[White "Stefansson, Hannes Hlifar"]
[Black "Thorfinnsson, Bragi"]
[Result "1-0"]
[ECO "C78"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,63,15,19,14,19,13,-18,-12,-16,275,275,257,279,245,255,251,249,333,374,429,409,418,421,595,419,400,408,383,403,439,449,444,396,414,410,518,518,652,638,939,927,29983,29983,29974,12840]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 Bb7 11. Re1 exd4 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 12. cxd4 Nb4 13. Bg5 h6 $1 {[%cal Rh6g5] The position is equal.} 14. Bh4 {[#]} g5 $146 {[%mdl 8192] This move loses the game for Black.} (14... Nd3 $11 {and Black has nothing to worry.} 15. Re3 Nf4) ({Predecessor:} 14... Nd3 15. Re3 Nf4 16. Bg3 N6h5 17. Nf1 c5 18. dxc5 dxc5 19. Qxd8 Raxd8 20. Bxf4 Nxf4 {0-1 (52) Ericsson,R-Ronneland,D Sweden 1995}) 15. Nxg5 $1 $18 hxg5 16. Bxg5 Bxd4 {[#] Hoping for ...Nd3.} 17. Nf3 $1 {[%cal Rf3d4]} Bxb2 18. Rb1 Bc3 19. Re3 Qd7 20. Rxc3 Nxe4 {[#]} 21. Nd4 $1 {[%mdl 512]} Bd5 (21... Nxc3 $2 22. Qh5 $18) (21... Nd5 $142) (21... Nd5 22. Rh3) 22. Rh3 Nxg5 23. Rg3 f6 {Threatens to win with ...Kh8.} 24. h4 {[%mdl 64] Pin} c5 25. hxg5 f5 {[#]} ({Not} 25... cxd4 26. gxf6+ Kh8 27. Rh3+ Qxh3 28. gxh3) 26. Rh3 $1 c4 {[#]} 27. Rh6 $1 Qg7 {[#]} ({Don't play} 27... cxb3 28. Qh5 $18) (27... Qe8 28. Bxc4) 28. Qh5 Qxd4 (28... cxb3 29. Rg6) 29. Rg6+ Kf7 {[#]} 30. Re1 {Qh7+ would kill now.} Qxf2+ (30... Qe5 31. Rh6+) 31. Kxf2 {[%cal Rh5h7]} Nd3+ 32. Kg1 {[%cal Rh5h7] Weighted Error Value: White=0.08/Black=0.90} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.06"]
[Round "1.3"]
[White "Hjartarson, Johann"]
[Black "Gretarsson, Helgi Ass"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2525"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,43,54,23,31,31,31,14,31,56,46,12,13,19,17,19,18,-39,-2,-18,-21,-41,-32,-57,28,0,44,46,97,0,74,53,124,130,129,129,138,134,118,144,133,121,126,93,84,90,91,110,101,0,0,0,133,-114,217,197,1947,862,2453,2345,29999]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 {B06: Modern Defence.} Nf6 7. f3 h5 8. O-O-O {White is slightly better.} c6 (8... b4 $5 {[%cal Rb4c3]}) 9. Kb1 Qc7 10. Qe1 Nbd7 11. Nh3 {[#]} Bb7 $146 ({Predecessor:} 11... Nb6 12. Ng5 b4 13. Ne2 c5 14. Nc1 Bb7 15. dxc5 dxc5 16. Nd3 Nfd7 17. Bf4 e5 {1-0 (57) Leskiewicz,I (2190)-Choroszej,A (2059) Suwalki 2020}) 12. Ng5 c5 13. d5 ({Better is} 13. Ne2 $11) 13... Ne5 14. f4 Neg4 15. Bc1 Bc8 16. Ne2 Nd7 (16... Rb8 $15) 17. Ng3 $1 $11 Nb6 18. Be2 Nc4 $1 19. Bd3 (19. f5 $1 $16) 19... O-O (19... Bd4 $11) 20. e5 $1 $16 dxe5 (20... Rb8 $14) 21. f5 $1 e4 22. Bxc4 bxc4 23. fxg6 fxg6 {...Nf2 is the strong threat.} 24. d6 ({Stronger than} 24. Qxe4 Qxg3 25. d6 Bf5 $17) (24. N5xe4 $6 c3 $11) 24... Qb7 25. N3xe4 ({Don't play} 25. Qxe4 Qxe4 26. N3xe4 exd6 $14) 25... Bf5 26. Qe2 Ne5 27. Nxc5 Qc8 28. dxe7 Re8 29. Rd5 ({White should try} 29. Nce4 $1 $16 {[%cal Re4d6] And now Nd6 would win.} Bg4 30. Qd2 Bxd1 31. Nd6 (31. Qxd1 Qc6 $15) (31. Rxd1 Rxe7 32. Qd5+ Kh8 $11)) 29... Rxe7 $11 30. Bf4 Bg4 31. Qf2 $2 {[#]} (31. Nf3 $16 {[%cal Rf4e5] keeps the pressure on.} Bxf3 32. gxf3) 31... Nc6 {[%mdl 8192] This costs Black the game.} (31... Nd3 $1 $17 {[%cal Rd3f2][%mdl 512] and life is bright.} 32. cxd3 Re2) 32. Bd6 $18 Re2 (32... Rea7 33. c3 Nd8) 33. Qf7+ {[%mdl 64] Double Attack} Kh8 34. Qxg6 {[%csl Gg5][%cal Rg6h7]} Qe8 35. Qh7# {Weighted Error Value: White=0.29/Black=0.52} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.10"]
[Round "1.3"]
[White "Gretarsson, Helgi Ass"]
[Black "Hjartarson, Johann"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2440"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,123,26,22,0,0,0,0,-6,0,0,0,-51,-58,-48,-46,-227,-219,-294,-293,-295,-291,-292,-295,-297,-12,-8,-17,-10,-6,-9,-12,-16,0,0,0,-56,-27,-21,-22,-41,-41,-36,-50,-50,-40,-53,-40,-35,-25,-26,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Ba6 5. Qc2 c5 6. d5 exd5 7. cxd5 g6 8. Nc3 Bg7 9. g3 O-O 10. Bg2 d6 11. O-O Nbd7 12. h3 Re8 13. Re1 b5 14. e4 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Qc8 $1 15. Bf4 b4 16. Na4 {The position is equal.} Bb5 17. axb4 ({Of course not} 17. Bxd6 Bxa4 18. Qxa4 Nxe4 $17) 17... cxb4 {[#]} 18. Qxc8 $146 (18. Qb1 $11) ({Predecessor:} 18. Qb1 Ne5 19. Nxe5 dxe5 20. Be3 Nd7 21. Bf1 Bxf1 22. Rxf1 Qb7 23. b3 f5 24. Nc5 Nxc5 25. Bxc5 {1-0 (63) Mchedlishvili,M (2609)-Fernandez Romero,E (2477) Linares 2016}) 18... Raxc8 $15 19. Bxd6 Nxe4 20. Bxb4 (20. Bf4 $15) 20... Rc4 $19 21. Bc3 {Hoping for Bxg7.} Rxa4 ({And not} 21... Bxa4 22. Nd2 $14) 22. Rxa4 Bxa4 23. Bxg7 Kxg7 24. Nd4 {[#]} Nef6 (24... Ndf6 $1 $19 {And now ...Nc5 would win.} 25. Ra1 Nc5) 25. Rxe8 $11 Nxe8 26. b3 {[#]} Bxb3 27. Nxb3 {[%mdl 4096] Endgame KBN-KNN} Kf6 28. Na5 Nc5 29. Nc6 a6 {[%cal Ba7a6,Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 30. f4 (30. Kf1 $11) 30... Nd6 31. Kf2 Ncb7 32. g4 a5 33. g5+ Kg7 $1 34. Ke3 a4 35. Kd4 a3 36. Nb4 f6 37. Bf1 h6 38. gxh6+ Kxh6 39. Bd3 Kh5 40. Bb1 f5 41. Ke5 Nc4+ 42. Kf6 Nbd6 43. Ba2 Ne4+ 44. Ke7 Ncd6 {White should prevent ...g5.} 45. Nc2 Kh4 46. Nxa3 Kxh3 47. Nc4 $2 {[%mdl 8192]} (47. Bb1 $11) 47... Nxc4 48. Bxc4 {KB-KN} Kg3 49. d6 Nxd6 50. Kxd6 Kxf4 {KB-KPP. Mate.} 51. Kd5 g5 52. Kd4 g4 53. Bd5 Kg3 54. Ke3 f4+ 55. Ke2 f3+ 56. Kf1 Kf4 57. Bc6 g3 58. Bb7 Ke3 59. Bc6 g2+ 60. Kg1 Ke2 {( -> ...f2+)} 61. Bb5+ Ke1 62. Ba6 {[%mdl 32768] Weighted Error Value: White=0.12/Black=0.14. An unexpected result.} 1/2-1/2

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.08"]
[Round "1.4"]
[White "Hjartarson, Johann"]
[Black "Gretarsson, Helgi Ass"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2525"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,90,32,35,34,27,34,25,25,8,20,8,12,13,15,15,17,6,36,22,29,34,40,17,9,0,11,0,0,0,-14,-16,34,41,33,0,54,0,47,49,43,0,79,17,20,0,0,0,0,-21,-25,-20,-22,-64,-61,-41,0,0,0,0,0,-4,-7,-8,-15,-652,-632,-2223,-277,-568,-525,-1102,-1039,-2127,-1707,-1727,-29972,-29972,-29972,-29987,-29988,-29991,-29992]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 O-O 6. e5 dxe5 {B06: Modern Defence.} 7. dxe5 Nd5 8. h3 Be6 {White has an edge.} 9. O-O Nd7 10. a4 c6 11. Re1 Qc7 12. Bd2 a5 {[#]} 13. Nc3 $146 ({Predecessor:} 13. Na3 Nc5 14. b3 Rad8 15. Bxd5 Bxd5 16. Nc4 b6 17. Be3 Nd7 18. Bf4 Nc5 19. Be3 Nd7 20. Bf4 Nc5 21. Be3 Nd7 {½-½ (21) Gurevich,V (2469)-Lai,H (2461) Germany 2019}) 13... N7b6 {[#] Threatens to win with ...Nxc3.} 14. Bxd5 Bxd5 15. Nxd5 cxd5 16. Be3 Nd7 {[%cal Bb6d7,Bd7b8,Bb8c6][%mdl 32]} 17. Bd4 e6 18. c3 Rfc8 19. h4 Qc4 20. Qe3 Nb8 21. h5 Nc6 22. g3 Qb3 ({Black should play} 22... gxh5 $11 23. Qg5 h4) 23. Re2 (23. Bc5 $14) 23... Ne7 24. hxg6 fxg6 25. g4 Qc4 {[#]} (25... Rf8 $11 {keeps the balance.}) 26. Kg2 (26. Nd2 $1 $16 {[%cal Rd2c4]} Qc6 27. f4) 26... h6 27. Nd2 Qa6 28. f4 h5 $1 {[%cal Rh5g4]} 29. Rf2 {aiming for gxh5.} hxg4 {Black wants to play ...Nf5.} 30. Qg3 Kf7 31. Qxg4 Nf5 32. Nf3 Rc4 {Hoping for ...Rxd4!} 33. Kg1 {And now Rg2 would win.} Rh8 34. b3 Rcc8 35. Rd1 $132 {[%mdl 2048] White puts up resistance} Rh6 36. Rdd2 Rch8 37. c4 $2 {[%mdl 8192] This costs White the game.} (37. Rh2 $11) 37... dxc4 $19 {...Rh1+ is the strong threat.} 38. bxc4 Bf8 $2 (38... Rh1+ 39. Kg2 Qc6) 39. Ng5+ $2 (39. Rh2 {was the only chance.}) 39... Ke8 40. Nf3 Bb4 41. Rc2 Qc6 {( -> ...Rh1+)} 42. Rh2 Nxd4 43. Nxd4 {Black mates.} Bc5 44. Rcd2 Rxh2 {[%csl Gh2,Gh8][%cal Rc6h1]} 45. Qxg6+ Kd8 {[%csl Gh2,Gh8][%cal Rc6h1] Weighted Error Value: White=0.70/Black=0.42} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.06"]
[Round "1.4"]
[White "Kjartansson, Gudmundur"]
[Black "Petursson, Margeir"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2483"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,83,19,46,28,24,26,25,25,25,25,25,23,31,27,19,40,21,33,23,26,23,27,32,32,62,59,41,51,58,58,62,45,93,93,90,90,107,107,140,70,87,87,87,87,87,87,79,79,163,164,148,148,225,225,393,392,431,406,537,535,524,454,454,434,434,426,483,471,455,454,408,366]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Rb8 8. Qe2 {E04: Open Catalan: 5 Nf3.} b5 9. b3 cxb3 10. axb3 {White has an edge.} Bb7 11. Bd2 Be7 12. Rc1 O-O 13. Ne1 Nb4 14. Bxb7 Rxb7 15. Bxb4 Bxb4 16. Rxa6 Qd5 17. Qc2 Bxe1 18. Rxe1 {[#]} Ne4 $146 ({Predecessor:} 18... Rb6 19. Nc3 Qc6 20. Ra2 h5 21. Ne2 Qf3 22. Nf4 Rc6 23. Qe2 Qxe2 24. Nxe2 Nd5 {½-½ (48) Radjabov,T (2722)-Cheparinov,I (2677) Monzon 2016}) 19. Nc3 Nxc3 20. Qxc3 b4 21. Qc2 h5 22. h4 e5 23. dxe5 Qxe5 24. Rd1 c5 25. Rc6 Rb5 26. Rc1 (26. Rd7 $16) 26... Rd8 27. Rxc5 Rxc5 28. Qxc5 $16 {[%mdl 4096] Endgame KQR-KQR} Qb2 29. Qc4 (29. Rc4 {keeps more tension.} Qxb3 30. Rxb4 Rd1+ 31. Kh2 Qd5 32. Qxd5 Rxd5 33. Rb8+) 29... g6 30. Rf1 Qc3 {[#]} (30... Qa3 $16) 31. Qxc3 $1 $18 bxc3 {KR-KR} 32. Rc1 Rd3 {[#]} (32... Rc8 $16 33. Rc2 Rb8 34. Rxc3 Kg7) 33. Rc2 $1 f5 $2 (33... f6 34. Kf1 Kf7) 34. Kf1 Rd1+ 35. Ke2 Rb1 36. Rxc3 Rb2+ 37. Kf3 Kf7 38. e4 Kf6 39. exf5 gxf5 40. Rc6+ Ke5 41. Rb6 Rc2 42. Rb5+ {Weighted Error Value: White=0.04/Black=0.23} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.10"]
[Round "2.1"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Kjartansson, Gudmundur"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2578"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,67,0,8,-17,-20,-46,-8,-17,-10,-14,22,12,27,43,56,33,91,84,186,187,149,40,43,35,79,76,68,79,85,0,0,0,150,154,154,152,157,147,726,710,1097,29952,29962,2434,1946,1935,29971,29972,2354,2344,29974,29969,5822,4898,29960,12828,5743,2940]} 1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 O-O 7. Qc2 {A11: English Opening: 1...c6.} e5 8. Be2 $5 {[%mdl 4] Leaves trodden paths.} Bg4 (8... e4 $5 {[%cal Re4f3]} 9. Nd4 a6 $15) 9. h3 {The position is equal.} Bh5 {[#]} 10. d3 $146 ({Predecessor:} 10. O-O dxc4 11. bxc4 Na6 12. Rfd1 Qe7 13. d3 Rad8 14. Rab1 Rd7 15. Ng5 Bg6 16. Qc1 {1-0 (84) Patuzzo,F (2274)-Eriksson,C (2129) Helsingor 2011}) 10... a6 11. g4 Bg6 12. g5 Nfd7 13. h4 dxc4 ({Black should try} 13... Bh5 $14) 14. bxc4 $16 Nc5 (14... Bf5 $16 {was worth a try.}) 15. h5 $18 Bf5 16. Ne4 (16. Nh4 $16 Bc8 17. O-O-O) 16... Bxe4 $14 17. dxe4 Nbd7 18. O-O-O Qc7 19. Nh4 {And now Nf5 would win.} Be7 20. Nf5 (20. Rhg1 $16) 20... Bxg5 $11 21. Rhg1 h6 ({Black should play} 21... f6 $1 $11) 22. f4 $1 $36 {[%cal Rf4g5][%mdl 2048] Black is under strong pressure.} Bf6 23. Nxh6+ $1 Kh8 {[#]} 24. Ng4 {h6 is the strong threat.} exf4 $2 {[%mdl 8192] This costs Black the game.} (24... Rae8 $16 25. Bf3 Bd8) 25. h6 $18 {Threatening mate with hxg7+.} Bxb2+ 26. Qxb2 {[%csl Gh6][%cal Rb2g7]} Rg8 27. hxg7+ (27. Rg2 $142 f6 28. hxg7+ Rxg7 29. Nxf6 Nxf6 30. Qxf6 f3 31. Bxf3 Qf7 32. Rd8+ Rxd8 33. Rh2+ Kg8 34. Qxd8+ Qf8 {[#]} 35. Rh8+ $3 {[%mdl 576] Skewer, Deflection} Kxh8 36. Qxf8+ Kh7 37. Qxc5) 27... Rxg7 28. Rg2 {White wants to mate with Rh1+.} f6 29. Nxf6 Nxf6 30. Qxf6 Qf7 31. Rh2+ Kg8 32. Rd8+ Rxd8 33. Qxd8+ Qf8 {[#]} 34. Rh8+ $1 {[%mdl 576] Skewer.  Weighted Error Value: White=0.19/Black=1.16} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.10"]
[Round "2.1"]
[White "Gretarsson, Helgi Ass"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2440"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,12,0,0,0,0,-2,0,0,-10,-8,0,29998,-61,-73,-65,-62,-135,-132,-135,-136,-136,-139,-124,-133,-131,-130,-408,-416,-585,-564,-583,-579,-555,-558,-683,-618,-629,-620,-612,-504,-500,-491,-596,-566,-735,-722,-669,-646,-2204,-2012,-2340,-2052,-1760,-2019]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 Nd7 9. e4 c5 10. Bf4 cxd4 11. cxd4 Rc8 12. Qb3 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} h6 13. Bd3 g5 14. Bg3 {The position is equal.} Bg7 15. Bd6 Rc6 16. e5 {[#] Intending Qxe6+! and mate.} g4 $5 $146 {[%mdl 8] [#] New and interesting.} (16... Rxd6 $11 17. exd6 O-O) ({Predecessor:} 16... Rxd6 17. exd6 O-O 18. Rd1 Nf6 19. h4 g4 20. Ne5 Bxg2 21. Rg1 Bd5 22. Qc3 h5 {½-½ (50) Pilarska,L (2114)-Caressa,M (2240) ICCF email 2011}) 17. Nd2 $2 {[#]} (17. Qxe6+ $1 {[%mdl 512] mates} fxe6 18. Bg6#) 17... Rxd6 $1 $15 18. exd6 Bxd4 19. Rc1 {[#]} ({White should play} 19. Rd1 $1 $15 Bxg2 20. Rg1) 19... Nc5 $1 $36 {[%cal Rc5b3][%mdl 3072] Black has strong compensation. Keeping White busy.} ({Not} 19... Bxg2 20. Rg1 $11) 20. Bb5+ Kf8 21. Qg3 Qg5 22. h4 Qf6 23. d7 {Strongly threatening Nb3.} Ke7 24. Rxc5 $4 {[%mdl 8192]} (24. O-O $17) 24... Bxc5 $19 25. Qc7 {[#]} (25. O-O $142 Rd8 26. Rd1) 25... Rd8 $1 {Black is clearly winning.} 26. Qxb7 Qa1+ 27. Ke2 Qxh1 28. Bc6 Qa1 29. Qxa7 Qe5+ 30. Kd1 Bxf2 {Hoping for ...Qa1+.} 31. Qa4 f5 32. h5 Qd4 33. Qb4+ Qxb4 34. axb4 Rxd7 35. Bxd7 Kxd7 36. Ke2 Bg3 37. Kd3 Kc6 {Never resign too early!  Weighted Error Value: White=1.02/Black=0.28} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.13"]
[Round "2.2"]
[White "Stefansson, Hannes"]
[Black "Gretarsson, Helgi Ass"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2536"]
[BlackElo "2440"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:22]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:53]} e5 {[%emt 0:00:51]} 4. Nf3 {[%emt 0:00:55]} Nbd7 {[%emt 0:00:06]} 5. Bc4 {[%emt 0:02:41]} Be7 {[%emt 0:00:11]} 6. O-O {[%emt 0:01:26]} c6 {[%emt 0:10:09]} 7. a4 {[%emt 0:02:52]} h6 {[%emt 0:09:25]} 8. Re1 {[%emt 0:07:11]} Qc7 {[%emt 0:09:00]} 9. h3 {[%emt 0:03:21]} a5 {[%emt 0:05:13]} 10. Be3 {[%emt 0:04:43]} g5 {[%emt 0:04:28]} 11. Bf1 {[%emt 0:14:55]} Nf8 {[%emt 0:06:12]} 12. Nd2 {[%emt 0:04:47]} g4 {[%emt 0:05:03]} 13. dxe5 {[%emt 0:08:25]} dxe5 {[%emt 0:00:05]} 14. Nc4 {[%emt 0:03:23]} gxh3 {[%emt 0:03:02]} 15. gxh3 {[%emt 0:01:16]} Be6 {[%emt 0:00:38]} 16. Bb6 {[%emt 0:01:45]} Qb8 {[%emt 0:00:09]} 17. Qd2 {[%emt 0:01:34]} Bb4 {[%emt 0:04:55]} 18. f4 {[%emt 0:05:39]} N8d7 {[%emt 0:05:01]} 19. Bf2 {[%emt 0:01:08]} Rg8+ {[%emt 0:08:37]} 20. Kh1 {[%emt 0:06:24]} exf4 {[%emt 0:00:19]} 21. e5 {[%emt 0:00:47]} Nh5 {[%emt 0:11:59]} 22. Kh2 {[%emt 0:00:40]} Kf8 {[%emt 0:02:45]} 23. Re4 {[%emt 0:07:13]} Qc7 {[%emt 0:05:28]} 24. Be2 {[%emt 0:03:08]} Ng3 {[%emt 0:04:38]} 25. Qxf4 {[%emt 0:02:06]} Nxe4 {[%emt 0:01:37]} 26. Qxh6+ {[%emt 0:02:34]} Ke8 {[%emt 0:00:05]} 27. Nxe4 {[%emt 0:00:11]} Nxe5 {[%emt 0:00:36]} 28. Bg3 {[%emt 0:04:23]} Rxg3 {[%emt 0:01:46]} 29. Qh8+ {[%emt 0:00:31]} Bf8 {[%emt 0:00:49]} 30. Ncd6+ {[%emt 0:02:02]} Kd7 {[%emt 0:00:08]} 31. Qxe5 {[%emt 0:00:36]} Rxh3+ {[%emt 0:00:12]} 32. Kg2 {[%emt 0:00:05]} Bxd6 {[%emt 0:00:06]} 33. Rd1 {[%emt 0:00:35]} Rg8+ {[%emt 0:00:17]} 34. Kf2 {[%emt 0:00:07]} Rh1 {[%emt 0:01:51]} 35. Rxd6+ {[%emt 0:01:09]} Kc8 {[%emt 0:00:00]} 36. Rxe6 {[%emt 0:00:18]} Qb6+ {[%emt 0:01:15]} 37. Nc5 {[%emt 0:01:42]} Rh2+ {[%emt 0:00:07]} 38. Kf1 {[%emt 0:03:13]} Rh1+ {[%emt 0:00:32]} 39. Kf2 {[%emt 0:00:06]} fxe6 {[%emt 0:00:30]} 40. Qxe6+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 41. Qxg8+ {[%emt 0:00:00]} Ka7 {[%emt 0:00:00]} 42. Qg5 {[%emt 0:00:00]} Qxb2 {[%emt 0:00:00]} 43. Nb3 {[%emt 0:00:00]} Rh2+ {[%emt 0:00:00]} 44. Kf3 {[%emt 0:00:00]} Qh8 {[%emt 0:00:00]} 45. Qf5 {[%emt 0:00:00]} Qc3+ {[%emt 0:00:00]} 46. Bd3 {[%emt 0:00:00]} Rxc2 {[%emt 0:00:00]} 47. Qxa5+ {[%emt 0:00:00]} Qxa5 {[%emt 0:00:00]} 48. Nxa5 {[%emt 0:00:00]} Ra2 {[%emt 0:00:00]} 49. Be4 {[%emt 0:00:00]} Ra3+ {[%emt 0:00:00]} 50. Kf4 {[%emt 0:01:17]} Rc3 {[%emt 0:00:00]} 51. Ke5 {[%emt 0:01:37]} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.2"]
[White "Kjartansson, Gudmundur"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2483"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,-22,-19,-40,-47,-22,-27,-39,-45,-41,-31,-24,-30,-60,-60,-63,-72,-79,-77,-69,-65,-85,-82,-94,-46,-37,-19,-8,92,100,127,91,81,84,161,60,78,89,218,206,216,217,589,530,974,930,931,855,29978,29979,29979,29980,29980,29981,29979,29981,29982,29983]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. e5 Ng4 6. O-O {B40: Sicilian: 2...e6, Unusual lines.} Ngxe5 7. Nxe5 Nxe5 8. d4 {Black has an edge.} cxd4 9. Qxd4 Nc6 {[#]} 10. Qa4 $146 ({Predecessor:} 10. Qg4 Ne5 11. Qe2 d6 12. c4 Qc7 13. b3 Be7 14. Nc3 O-O 15. Ba3 Bd7 16. f4 {½-½ (45) Leon Hoyos,M (2552)-Diamant,A (2461) Saint Louis 2013}) 10... d6 11. Bxc6+ bxc6 12. Qxc6+ Bd7 13. Qc3 h5 14. h4 Be7 15. Nd2 Rc8 16. Qd3 Qb6 17. b3 Qc6 18. c4 g5 (18... O-O $11) 19. hxg5 $1 $16 h4 20. Ne4 hxg3 21. fxg3 d5 {[#]} (21... e5 $16 {keeps fighting.}) 22. cxd5 (22. Qc3 $1 $18 {[%cal Rc3h8]} Rg8 (22... Bc5+ 23. Nxc5) 23. Qf3 $1) 22... exd5 {[#]} 23. Nf6+ {[%mdl 64] Double Attack} Kd8 {This move loses the game for Black.} (23... Bxf6 $16 {might work better.} 24. Rxf6 Qc2 25. Qe3+ Be6) 24. Nxd7 $18 ({Wrong is} 24. Qxd5 $2 Bxf6 25. Qxc6 Bd4+ 26. Rf2 Bxc6 $19) (24. Nxd5 $2 Bc5+ 25. Rf2 (25. Be3 $2 Bxe3+ 26. Nxe3 Rh1+ 27. Kf2 Rh2+ 28. Ke1 Qc3+ 29. Qxc3 Rxc3 $19) 25... Bxf2+ 26. Kxf2 Qc2+ 27. Qxc2 Rxc2+ 28. Ke3 Rh1 $19) 24... Qxd7 {[#]} 25. Rf5 $1 {[%cal Rf5d5]} Rh3 $2 (25... Bc5+ {is a better chance.} 26. Kg2 d4) 26. Bf4 d4 {If only Black now had time for ...Qc6....} 27. Qe4 {Hoping for Rd5!} Ke8 28. Re1 Rc6 29. Re5 {White mates.} Re6 30. Rxe6 {[%mdl 64] Overworked Piece} fxe6 31. Qg6+ Kd8 32. Qg8+ Qe8 33. Qxe6 {Weighted Error Value: White=0.10/Black=0.68} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.3"]
[White "Kjartansson, Gudmundur"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2483"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,12,38,16,21,14,27,12,75,67,62,50,44,25,21,-1,23,26,28,23,22,30,23,23,32,37,32,31,62,0,60,25,13,21,22,19,31,20,46,36,34,22,25,-18,-9,-16,-13,-102,-95,-107,-92,-75,-86,-126,53,-206,-204,-209,-209,-287,-229,-343,-330,-393,-331,-423,-503,-728,-722,-695,-689,-1183,-1000,-1734,-1711,-1729,-1603,-1387,-1343,-29978,-29978,-29981,-29982,-29982,-29982,-29980,-29981]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} Nxd4 {6...Nf6 is setting a new trend.} 7. Qxd4 {Strongly threatening Nb5.} a6 8. Be3 {White has an edge.} d6 $5 {[%mdl 4] A promising side line.} (8... b5 $11 {keeps the balance.}) 9. Be2 Nf6 10. O-O-O b5 11. f4 Bb7 {[#]} 12. Bf3 $146 ({Predecessor:} 12. g4 Rc8 13. Rd2 e5 14. Qa7 Nxe4 15. Nxe4 Bxe4 16. Re1 Be7 17. Bd1 Qxa7 18. Bxa7 d5 19. fxe5 O-O 20. Be3 Rc6 21. g5 Bb4 22. c3 Bc5 23. b3 Rfc8 {½-½ (23) Alvarez Ibarra,R (2365)-Camejo Almeida,R (2375) Haifa 1989}) 12... Rc8 13. Kb1 Be7 14. g4 O-O 15. g5 Nd7 16. h4 Qc4 17. a3 Qxd4 18. Bxd4 Rc7 19. Rd3 (19. Bg4 $14) 19... Rfc8 ({Black should play} 19... Nc5 $11) 20. f5 Nc5 21. Re3 e5 22. Bxc5 Rxc5 23. Be2 Kf8 24. f6 gxf6 25. Rf1 fxg5 26. Bh5 (26. Ref3 $5 {[%cal Rf3f7]} f6 27. hxg5 Rxc3 28. Rxc3 Rxc3 29. bxc3 $14) 26... Kg8 ({But not} 26... gxh4 $2 27. Rxf7+ Kg8 28. Rxe7 $18) 27. Bxf7+ Kg7 {Hoping for ...Rf8.} 28. Bd5 {[#]} (28. Be6 $11 Rf8 29. Rxf8 Kxf8 30. Rf3+ Ke8 31. Bf7+ Kd8 32. hxg5) 28... Bxd5 $1 $17 29. Nxd5 {[#]} Rxd5 {[%mdl 512]} 30. exd5 {[%mdl 4096] Endgame KRR-KRB} g4 31. h5 Rc4 (31... Bh4 $17 32. Re4 Rc4 33. Rxc4 bxc4) 32. Rg3 $2 {[%mdl 8192] This costs White the game.} (32. b3 $1 $14 {was forced to keep a grip.} Rd4 33. c3 Rxd5 34. Rg3) 32... Bh4 $19 {[%mdl 1024] Black has strong compensation.} 33. Rg2 g3 34. c3 Rf4 35. Rh1 (35. Rfg1 $142) 35... Kf6 36. Kc2 Kg5 37. Kd3 Kg4 38. Ke3 Bd8 39. Ke2 Bb6 40. h6 Bf2 41. Rf1 Re4+ 42. Kd3 Re3+ 43. Kd2 Kf3 44. Rgg1 Re2+ {Black mates.} 45. Kd1 Rxb2 46. Kc1 Re2 47. Kd1 Ra2 {Weighted Error Value: White=0.66/Black=0.18} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.3"]
[White "Gretarsson, Helgi Ass"]
[Black "Stefansson, Hannes"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2440"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,65,16,15,5,-8,4,2,-4,-1,-4,-23,0,-9,48,40,87,83,74,74,83,63,77,68,75,62,52,0,0,0,212,205,228,221,456,418,463,467,472,460,453,447,814,814,770,768,762,768,1709,1635,1416,922,1441,589,578,584,566,566]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 Bb7 5. e3 Be7 6. Nc3 Nh5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 7. Bd3 Nxf4 8. exf4 O-O {The position is equal.} 9. h4 {[#]} f5 $146 ({Predecessor:} 9... Bf6 10. Bxh7+ Kxh7 11. Ng5+ Kh6 12. Qd3 g6 13. h5 Kg7 14. hxg6 Rh8 15. Rh7+ Rxh7 16. gxh7 Bxg5 {0-1 (26) Morris,J-Hebel,E ICCF email 2015}) 10. Qe2 Bd6 11. g3 c5 (11... Qf6 $11) 12. Nb5 Be7 13. d5 $1 a6 14. Nc3 Bf6 15. O-O-O (15. dxe6 $6 dxe6 16. O-O-O Qc8 $11) 15... Bxc3 16. bxc3 Qf6 17. Kb2 b5 18. dxe6 (18. Rhe1 $1 $14) 18... b4 $11 19. Rhe1 Qxc3+ $2 (19... Nc6 $11 {and Black has nothing to worry.}) 20. Kb1 $18 b3 {[#] White must now prevent ...Bxf3.} 21. a3 (21. e7 Re8 $11) 21... b2 $2 (21... h6 22. e7 Re8) 22. Ng5 {Threatening mate with Qh5.} Nc6 23. e7 {White is clearly winning.} Nxe7 {...Bc6 is the strong threat.} 24. Qh5 {[%csl Gg5][%cal Rh5h7]} ({Not} 24. Qxe7 Qxa3 25. Qxd7 Rad8 $18) 24... h6 {Threatens to win with ...Nc6.} 25. Rxe7 Rf6 ({Avoid the trap} 25... hxg5 $2 26. hxg5 Rf6 27. gxf6) (25... Rab8 $142 26. Qg6 (26. Rxd7 hxg5 27. hxg5 Qxa3 $11) 26... hxg5 27. Bxf5 Rxf5) 26. Re8+ Rxe8 27. Qxe8+ {[%mdl 64] [#] Double Attack} Rf8 28. Qxd7 {[%mdl 64] Hoping for Qe6+. Double Attack} Qb3 29. Bxf5 {White wants to mate with Qf7+!} hxg5 30. hxg5 Qf3 31. Bc2 (31. Qe6+ $142 Kh8 32. Bc2) 31... Bc8 32. Qd5+ Qxd5 33. Rxd5 {Weighted Error Value: White=0.33/Black=0.38} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.4"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Kjartansson, Gudmundur"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2578"]
[BlackElo "2483"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,26,31,35,18,13,11,12,12,17,8,30,27,21,6,27,36,37,10,23,25,35,5,8,6,36,34,34,33,27,30,31,42,44,30,30,13,37,37,37,37,37,37,37,34,37,0,47,27,127,0,0,0,0,0,0,0,38,42,375,123,467,123,212,171,537,521,499,400]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 9. O-O Be7 10. Rc1 O-O {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 11. f3 Bh5 12. Bg3 Bg6 {The position is equal.} 13. Nf4 Bxd3 14. Nxd3 Na5 {[#]} 15. Na4 $146 ({Predecessor:} 15. b3 b5 16. Qd2 Nb7 17. a4 Qa5 18. Rb1 Nh5 19. Be1 Qb6 20. axb5 axb5 21. Qe2 {½-½ (50) Garcia Ortega Mendez,J (2328)-Alvarez Fernandez,E (2369) Porto 2012}) 15... Rc8 16. Qe2 Nh5 17. Bf2 Bd6 18. b3 (18. Nac5 {keeps more tension.} Qe7 19. g4 Nf6 20. Bh4 Rfd8 21. f4) 18... Rxc1 19. Rxc1 Qb8 20. g3 Nf6 21. Nac5 Bxc5 22. Nxc5 Rc8 23. g4 Nd7 24. Bg3 Qa8 25. Qd2 Nxc5 26. Qxa5 (26. dxc5 {with more complications.} Nc6 27. b4 Re8 28. a4 Qd8 29. h4) 26... Nd3 27. Rc7 Rxc7 28. Qxc7 {[#] Threatens to win with Qc3.} Nb4 29. a4 Nc6 30. Kg2 h6 31. h4 a5 32. Qd7 g6 33. Bf4 h5 (33... g5 $1 $11 34. hxg5 hxg5 35. Bxg5 Kg7) 34. gxh5 (34. Bg5 $16) 34... gxh5 $11 35. Bd6 Kg7 36. Kg3 Kg6 37. Bf4 Qd8 38. Qxb7 Nb4 {[%mdl 8192] [#]} (38... Ne7 $14) 39. Qc7 $2 (39. Bc7 $18 {and the rest is easy.} Qe8 40. Bxa5) 39... Qg8 {[%mdl 8192]} (39... Qxc7 $16 {is tougher.} 40. Bxc7 Nc6) 40. Qe5 $2 (40. Qxa5 $18 {and White stays clearly on top.} Nd3 41. Bd6 Kh7+ 42. Kh2) 40... f6 (40... Kh7+ $16 {was necessary.} 41. Qg5 Qg7) 41. Qc7 $18 Kf5+ $2 (41... Nd3 42. Qxa5 Nxf4 43. exf4 Kf7+ 44. Kh2 Qb8) 42. Kh2 Kg6 43. Bd6 {Weighted Error Value: White=0.39/Black=0.54} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.4"]
[White "Stefansson, Hannes"]
[Black "Gretarsson, Helgi Ass"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2536"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,50,40,38,35,94,44,47,31,52,52,107,101,101,100,136,117,129,123,129,100,101,91,210,206,205,206,206,207,249,252,239,264,282,275,270,268,293,272,314,320,326,322,346,302,363,361,384,345,393,393,359,364,444,342,348,341,426,433,429,431,417,434,435,425,497,504,784,780]} 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. O-O c6 7. a4 Qc7 8. Re1 h6 {C41: Philidor Defence.} 9. h3 g5 (9... O-O $14) 10. Be3 Rg8 {[#] White is slightly better.} 11. Nh2 $146 ({Predecessor:} 11. Qd2 Nf8 12. dxe5 dxe5 13. Qd3 Ne6 14. a5 Nf4 15. Bxf4 gxf4 16. Nh4 Bb4 17. a6 {0-1 (87) McCorry,R (2076)-Gregory,K (2047) England 2013}) 11... h5 12. Be2 h4 (12... exd4 $14 13. Bxd4 h4) 13. d5 $16 Nf8 14. a5 a6 15. Bf3 cxd5 16. exd5 Bf5 17. Ra4 Qd7 18. Ng4 Bxg4 (18... Nxg4 $16 {keeps fighting.} 19. hxg4 (19. Bxg4 Bxg4 20. hxg4 Ng6 $14) 19... Bg6) 19. hxg4 $18 ({Less strong is} 19. Bxg4 Nxg4 20. hxg4 (20. Rxg4 Bd8 $11) (20. Qxg4 Rc8 $14) 20... Ng6 $14) 19... Rc8 {[#] Threatens to win with ...Rxc3!} 20. Rb4 Bd8 21. Qa1 N8h7 22. Qa3 Kf8 23. Ra1 Kg7 24. Qb3 Rc7 25. Bb6 Rc8 26. Ba7 Re8 27. Rxb7 Rc7 28. Rxc7 Bxc7 29. Qa4 Qe7 30. Be3 Rb8 31. Ra2 Qd8 32. Be2 Qc8 33. Qc4 Qb7 34. f3 Ra8 35. Kh1 Bb8 36. Qc6 Qxc6 37. dxc6 d5 {Black wants to play ...d4.} 38. Bb6 d4 {White is clearly winning.} 39. Ne4 Nd5 40. Bc4 Nb4 (40... Nc7 $142 41. c3 Nf6 42. Nxg5 Nfd5 43. cxd4 exd4 44. Bxd4+ f6) 41. Ra4 {Weighted Error Value: White=0.10/Black=0.27} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.5"]
[White "Gretarsson, Helgi Ass"]
[Black "Stefansson, Hannes"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2440"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,108,8,12,17,0,4,12,3,0,9,6,0,2,19,0,55,-54,-12,-12,-7,-12,-13,-13,-10,-22,-28,-10,-17,-22,-17,-16,4,-11,0,9,19,-1,10,0,85,88,81,25,94,73,70,34,80,61,68,28,23,28,414,428,575,568,559,566,490,483,1834,1687,1202,629,629,-29997,-400,-400,-389,-368,-365,-29968,-29969,-29969,-29970,-29970,-29972,-29966,-29970,-29971,-29973,-29974,-29975,-29975,-29966,-29976,-29977,-29975,-29975,-29975,-29976,-29975,-29977,-29986,-29983,-29991,-29992,-29996,-29997]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 Bb7 5. e3 Be7 6. Nc3 Nh5 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} 7. Bd3 Nxf4 8. exf4 Bf6 {The position is equal.} 9. Be4 d5 10. cxd5 exd5 11. Bc2 {[#]} c5 $146 ({Predecessor:} 11... O-O 12. Qd3 Re8+ 13. Ne5 g6 14. O-O-O Bxe5 15. dxe5 c6 16. Ne4 Re6 17. h4 Nd7 {1-0 (26) Moradiabadi,E (2549)-Saidy,A (2321) Las Vegas 2018}) 12. Ba4+ Kf8 (12... Nc6 $11) 13. g4 (13. Ne5 $14) 13... Nc6 14. Bxc6 Bxc6 15. g5 Qe7+ 16. Kf1 Bxd4 17. Nxd4 cxd4 18. Qxd4 h6 19. h4 ({But not} 19. Nxd5 $2 Qd6 $19) 19... hxg5 20. fxg5 Re8 21. Kg2 Qd7 {Hoping for ...Re4!} 22. Rae1 Re6 23. Kg3 Kg8 24. f3 Qe7 (24... Qd6+ $11 25. Kg2 Kh7) 25. Rxe6 $16 Qxe6 26. Kf2 (26. h5 $16) 26... Qf5 (26... f6 $11 {remains equal.}) 27. Ne2 Kh7 28. Nf4 (28. Rc1 $5 {[%cal Rc1c6]} Rc8 29. Qg4 $14) 28... Qc2+ 29. Kg3 {Threatens to win with g6+!} Re8 30. h5 {Threatening mate with h6.} (30. Nh5 $5 {[%cal Rd4g7]} Qg6 31. Rc1 $1 $14) 30... Qf5 31. g6+ Kg8 $2 {[%mdl 8192]} (31... Kh6 $1 $11 {and Black is okay.}) 32. h6 $1 $18 gxh6 33. Rh5 Qb1 34. Rxh6 {[%csl Gd4][%cal Rh6h8]} Qe1+ 35. Kh2 {[%csl Gd4][%cal Rh6h8]} Re5 (35... Re2+ $142 36. Nxe2 Qxe2+ 37. Kg3 Qe1+ 38. Kf4 Qc1+ 39. Qe3 Qxe3+ 40. Kxe3 d4+ 41. Kxd4 Bxf3 42. gxf7+ Kxf7 43. Rh7+ Ke6 44. Rxa7 Kd6) 36. gxf7+ Kxf7 37. Rxc6 Qh4+ 38. Kg1 $4 {[%mdl 8192]} (38. Kg2 $18 Qe7 39. Rh6 Qg5+ 40. Kf1 Qxh6 41. Qxe5) 38... Re1+ (38... Qg3+ $142 39. Kh1 Re1+ 40. Qg1 Rxg1#) 39. Kg2 $19 {[#]} Qh1+ $1 40. Kg3 {Intending Qf6+ and mate.} Rg1+ 41. Kf2 $2 {[#]} (41. Qxg1 $19 Qxg1+ 42. Ng2) 41... Qh2+ $1 {Black mates.} 42. Ke3 Re1+ 43. Kd3 Rd1+ {[%mdl 64] Skewer} 44. Kc3 Rxd4 45. Kxd4 Qxf4+ {[%mdl 64] Double Attack} 46. Kxd5 Qxf3+ {[%mdl 4096] Endgame KQ-KR} 47. Kd6 Qf4+ 48. Kd7 Qd4+ 49. Kc8 Qxb2 50. Rc7+ Ke6 51. Rxa7 Kd6 52. Kb7 Kc5 53. Ra8 Qg2+ 54. Kb8 Kc6 {Quite a comeback for Black.  Weighted Error Value: White=0.54/Black=0.41} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.12"]
[Round "2.6"]
[White "Stefansson, Hannes"]
[Black "Gretarsson, Helgi Ass"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2536"]
[BlackElo "2440"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2021.03.03"]
[EventType "k.o."]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,54,43,16,31,16,22,17,27,59,45,36,79,75,104,100,171,160,195,197,193,178,334,318,360,358,343,324,372,237,232,165,530,602,1068,1031,2497,1361]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. h4 {B06: Modern Defence.} h5 7. O-O-O Nf6 8. f3 {The position is equal.} c6 9. Kb1 Qc7 10. Bf4 Nfd7 11. Nh3 {[#]} a5 $146 ({Predecessor:} 11... b4 12. Na4 c5 13. Nxc5 Nxc5 14. dxc5 Qxc5 15. Be3 Qe5 16. Qxb4 Nc6 17. Qa3 Rb8 {0-1 (52) Kuipers,S (2477)-Ten Hertog,H (2453) Apeldoorn 2018}) 12. Ng5 Ba6 {[#]} (12... a4 $16) 13. g4 $1 $18 b4 14. Na4 Bb5 {[#]} 15. Nc5 $1 {[%mdl 512]} Qa7 $2 (15... Bxf1 16. Rhxf1 (16. Rdxf1 Qb6 $14) 16... Bf6) 16. Nxd7 Nxd7 17. Bxb5 cxb5 18. e5 Nb6 19. exd6 Nc4 20. Qe2 {aiming for Rhe1.} O-O $2 (20... Kf8 21. dxe7+ Qxe7 22. Qxe7+ Kxe7) 21. gxh5 {White is clearly winning.} Bxd4 22. hxg6 fxg6 23. Qe4 {Black got outplayed after the opening.  Weighted Error Value: White=0.11/Black=0.51} 1-0

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.13"]
[Round "3.1"]
[White "Stefansson, Hannes"]
[Black "Gretarsson, Hjorvar Steinn"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "2536"]
[BlackElo "2578"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2021.03.03"]
[EventType "tourn"]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,50,29,29,34,0,17,-29,-18,-17,-17,-17,-18,-18,-24,-15,-23,-20,-25,-77,-70,-133,-135,-137,-137,-143,-130,-302,-322,-309,-311,-297,-197,-394,-384,-487,-504,-716,-703]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Nbd7 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} 9. Be2 Be7 10. O-O Qb6 {aiming for ...e5.Black has an edge.} 11. Bf2 {[#] Black must now prevent Nxe6!} Qxb2 {[#]} 12. Qd3 $146 ({Predecessor:} 12. Qd2 Qb4 13. Rad1 Nc5 14. Bf3 Na4 15. Nxa4 Qxa4 16. e5 dxe5 17. fxe5 Nd5 18. Nf5 exf5 19. Bxd5 {0-1 (46) Averchenko,E (2184)-Sharafiev,A (2428) Khanty-Mansiysk 2012}) 12... Nc5 13. Qf3 e5 {And now ...Bg4 would win.} 14. Nf5 Bxf5 15. exf5 {Threatening Bxc5.} Rc8 16. Bc4 (16. Rab1 $11 {keeps the balance.} Qa3 17. Nd5 (17. Qg3 exf4 18. Qf3 b5 $15) 17... Qxf3 18. Bxf3) 16... b5 {Hoping for ...e4.} 17. Rab1 Qxc2 $17 18. fxe5 dxe5 ({Much weaker is} 18... bxc4 $6 19. exf6 Bxf6 20. Rbe1+ Kf8 21. Nd5 $11) 19. Rfc1 Qd2 20. Nxb5 {Now White is beyond hope.} (20. Nd5 $17 e4 21. Qg3 Nxd5 22. Rd1) 20... axb5 $19 21. Bxb5+ Kf8 22. Ba6 {[#]} e4 $1 {[%mdl 512]} 23. Qg3 (23. Qe3 Qxe3 24. Bxe3) 23... Rd8 ({Weaker is} 23... Nxa6 24. Rxc8+ Ne8 25. Qb3 $14) 24. Bxc5 Bxc5+ 25. Rxc5 Qd4+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.48/Black=0.09} 0-1

[Event "Icelandic Cup 2021"]
[Site "Reykjavik"]
[Date "2021.03.14"]
[Round "3.2"]
[White "Gretarsson, Hjorvar Steinn"]
[Black "Stefansson, Hannes"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2578"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2021.03.03"]
[EventType "tourn"]
[EventCountry "ISL"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,2,2,2,0,3,23,12,16,18,20,9,24,14,70,37,50,35,33,36,47,62,92,79,84,60,51,51,84,45,103,98,117,114,266,198,186,166,611,619,577,589,635,631,837,816,943,940,1072,1018,976,716,678,654]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e4 Bb4 5. d3 d6 6. a3 {A28: English Opening: Four Knights Variation.} Bxc3+ 7. bxc3 Ne7 8. g3 {White has an edge.} Ng6 9. Bg2 {[#]} Bd7 $146 ({Predecessor:} 9... O-O 10. O-O Bd7 11. a4 a5 12. Ne1 Qc8 13. Nc2 Bh3 14. Ne3 Re8 15. Rb1 b6 {0-1 (45) Vakhidov,J (2533)-Makhnev,D (2480) Europe Echecs INT 2021}) 10. h3 Qc8 11. Bg5 Be6 ({Black should try} 11... Qd8 $11) 12. Nd2 (12. Bxf6 $5 gxf6 13. Nd2 $14) 12... Ng8 13. d4 N8e7 14. h4 f6 15. Be3 b6 16. f4 Bg4 17. Qb3 {Hoping for h5.} h5 $1 18. f5 $36 {[%mdl 2048] White has the initiative.} Nf8 19. c5 dxc5 ({Better is} 19... bxc5 $14 20. dxe5 fxe5) 20. dxe5 $16 fxe5 21. Bg5 Qd7 $2 {[#] A mistake that costs the game.} (21... Nh7 $16 {was worth a try.}) 22. Nf3 Bxf3 23. Bxf3 {Strongly threatening Be2.} O-O-O $2 (23... Qc6) 24. Rd1 $18 {White is clearly winning.} Qe8 {[#]} 25. Rxd8+ {[%mdl 64] Overworked Piece} Qxd8 26. Qf7 {[%csl LRe7,LRg7,LRh5]} Qd3 27. Kf2 Qc2+ 28. Be2 Nfg6 29. fxg6 Nxg6 30. Qf5+ Kb8 31. Rc1 {Weighted Error Value: White=0.10/Black=0.53} ({Weaker is} 31. Qxg6 Rf8+ 32. Ke1 Qxc3+ 33. Bd2 Qa1+ 34. Bd1 Qd4 $18) 1-0

