[Event "Zuerich op 37th"]
[Site "Zuerich"]
[Date "2013.12.26"]
[Round "1"]
[White "Sierra, Robin"]
[Black "Misic, Andrija"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1952"]
[BlackElo "1713"]
[PlyCount "85"]
[EventDate "2013.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qe7 5. Nc3 Nf6 6. Bg5 Qe5 7. Bxf6 Qxf6 8. Ndb5 Qe5 9. Qd5 Bd6 10. Qxe5+ Bxe5 11. Nd5 Kd8 12. f4 Nd4 13. fxe5 Nxb5 14. Bxb5 c6 15. 0-0 Rf8 16. Bc4 cxd5 17. exd5 d6 18. e6 Ke7 19. exf7 Rxf7 20. Rae1+ Kf8 21. Rxf7+ Kxf7 22. Bd3 g6 23. Kf2 Bd7 24. Kg3 Rc8 25. Kf4 Rc5 26. c4 Ra5 27. a3 b5 28. Kg5 bxc4 29. Bxc4 Bc6 30. b4 Bxd5 31. bxa5 Bxc4 32. Kf4 Bd5 33. g3 h6 34. Ke3 a6 35. Kd4 Bg2 36. Re2 Bh1 37. Rb2 Ke7 38. Rb6 h5 39. Rxa6 g5 40. Ra7+ Kf6 41. Rd7 Ke6 42. Rh7 Bf3 43. a6 1-0

[Event "SUI-ch 113th"]
[Site "Graechen"]
[Date "2013.07.18"]
[Round "8"]
[White "Wirz, Heinz"]
[Black "Sierra, Robin"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2154"]
[BlackElo "1805"]
[PlyCount "86"]
[EventDate "2013.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. d5 Nbd7 8. 0-0 Nc5 9. Qc2 a5 10. Bg5 h6 11. Bh4 g5 12. Bg3 Ne8 13. Nd2 f5 14. exf5 Bxf5 15. Nde4 Bxe4 16. Nxe4 Nxe4 17. Qxe4 Nf6 18. Qc2 Nd7 19. Bg4 Nc5 20. f3 Qf6 21. Bf2 b6 22. b3 Kh8 23. Rae1 Rg8 24. a3 Nb7 25. b4 axb4 26. axb4 Ra3 27. c5 bxc5 28. bxc5 Rga8 29. cxd6 cxd6 30. Rb1 Nd8 31. h3 Qf7 32. Rb6 Qxd5 33. Qg6 Qf7 34. Rxd6 Qxg6 35. Rxg6 R3a6 36. Rxa6 Rxa6 37. Rd1 Bf6 38. Rd7 Ra1+ 39. Kh2 Rb1 40. Bf5 Rb7 41. Rd6 Kg7 42. Be4 Rb4 43. Rd7+ Kf8 1-0

[Event "Zuerich op-B 36th"]
[Site "Zuerich"]
[Date "2012.12.30"]
[Round "7"]
[White "Frei, Alexander"]
[Black "Sierra, Robin"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1637"]
[BlackElo "1903"]
[PlyCount "31"]
[EventDate "2012.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 d6 6. d3 Nf6 7. 0-0 0-0 8. f5 gxf5 9. Qe1 fxe4 10. dxe4 Ne5 11. Nxe5 dxe5 12. Be3 Ng4 13. Rd1 Qa5 14. Bg5 Bf6 15. Qh4 Qb6 16. Nd5 1-0

[Event "Zuerich op-B 36th"]
[Site "Zuerich"]
[Date "2012.12.29"]
[Round "5"]
[White "Maffioli, Massimo"]
[Black "Sierra, Robin"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1988"]
[BlackElo "1903"]
[PlyCount "140"]
[EventDate "2012.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 g5 10. Bg3 Nh6 11. 0-0 Nd7 12. dxe5 dxe5 13. Qd5+ Nf7 14. Rfd1 c6 15. Qd2 Qe7 16. Ne1 Nb6 17. Nc2 Be6 18. b3 Rfd8 19. Qe1 Rxd1 20. Rxd1 Rd8 21. f3 Rxd1 22. Qxd1 Qd7 23. Bf2 Bf8 24. Kf1 Qxd1+ 25. Bxd1 Nc8 26. Be2 Bd7 27. c5 Nd8 28. Bc4+ Be6 29. Bxe6+ Nxe6 30. b4 a5 31. a3 axb4 32. axb4 Kf7 33. g3 Be7 34. Na3 Nc7 35. Nc4 Na6 36. Na2 Bd8 37. Ke2 Ke6 38. Kd3 Nb8 39. Nc3 Na6 40. Na2 Nb8 41. Nc1 Nd7 42. Nb3 b6 43. cxb6 Ncxb6 44. Nba5 Nxc4 45. Nxc6 Bb6 46. Kxc4 Bxf2 47. Kb5 Kd6 48. Na5 Kc7 49. Nc6 h5 50. g4 hxg4 51. fxg4 Bb6 52. Ne7 Kb7 53. Nf5 Bc7 54. h4 gxh4 55. Nxh4 Nf8 56. Nf3 Ne6 57. Kc4 Kb6 58. Kd5 Nf4+ 59. Kc4 Nh3 60. Kd5 Nf4+ 61. Kc4 Bd8 62. g5 fxg5 63. Nxe5 Bc7 64. Ng4 Kc6 65. Ne3 Ng6 66. b5+ Kd6 67. Nd5 Ne5+ 68. Kd4 g4 69. Nxc7 Kxc7 70. Kxe5 g3 0-1

[Event "Zuerich op-B 36th"]
[Site "Zuerich"]
[Date "2012.12.29"]
[Round "6"]
[White "Sierra, Robin"]
[Black "Gruener, Adrian"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1903"]
[BlackElo "1966"]
[PlyCount "64"]
[EventDate "2012.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be3 g6 5. f3 Bg7 6. Qd2 Qa5 7. g4 h5 8. g5 Nfd7 9. f4 Na6 10. Bd3 e6 11. Nf3 Nb4 12. 0-0 Nxd3 13. Qxd3 b6 14. Qd2 0-0 15. Nh4 c5 16. f5 cxd4 17. Bxd4 Bxd4+ 18. Qxd4 exf5 19. Qxd6 fxe4 20. Nxe4 Bb7 21. Nxg6 Bxe4 22. Ne7+ Kh8 23. Qh6+ Bh7 24. g6 Qc5+ 25. Kh1 fxg6 26. Nxg6+ Kg8 27. Rg1 Qc6+ 28. Rg2 Bxg6 29. Rd1 Rf6 30. Kg1 Qxg2+ 31. Kxg2 Be4+ 32. Kg3 Rxh6 0-1

[Event "Zuerich op-B 35th"]
[Site "Zuerich"]
[Date "2011.12.26"]
[Round "1"]
[White "Iasman, Inna"]
[Black "Sierra, Robin"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2000"]
[BlackElo "1749"]
[PlyCount "69"]
[EventDate "2011.12.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Be7 8. 0-0 0-0 9. Qe2 Nbd7 10. Nh4 Bg4 11. f3 Nd5 12. fxg4 Bxh4 13. Nxd5 exd5 14. Bd3 Qb6 15. a5 Qc7 16. e4 dxe4 17. Qxe4 f5 18. gxf5 Bf6 19. Bf4 Qd8 20. Bd6 Re8 21. Qg4 Nf8 22. Bc4+ Kh8 23. Be5 Nd7 24. Bg3 Qe7 25. b3 c5 26. Rae1 Bxd4+ 27. Kh1 Qf8 28. Be6 Nf6 29. Qf3 b6 30. a6 Ng8 31. Re4 Nh6 32. Rfe1 Nf7 33. Qh5 Nd6 34. Qxh7+ Kxh7 35. Rh4# 1-0

