[Event "Euskadi-ch Seniors 28th"]
[Site "Zarautz"]
[Date "2018.06.23"]
[Round "5"]
[White "Ajubita Torrealdea, Jose A"]
[Black "Sierra Lozano, Jaime"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1331"]
[PlyCount "21"]
[EventDate "2018.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Bg4 4. d3 h6 5. Be3 Ne7 6. Nc3 a6 7. 0-0 b5 8. Bb3 Nd7 9. h3 Bxf3 10. Qxf3 c5 11. Qxf7# 1-0

[Event "Euskadi-ch Seniors 28th"]
[Site "Zarautz"]
[Date "2018.06.23"]
[Round "1"]
[White "Arranz Arranz, Javier"]
[Black "Sierra Lozano, Jaime"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1838"]
[PlyCount "35"]
[EventDate "2018.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Ne7 3. Bc4 c6 4. f4 exf4 5. Nf3 d6 6. d4 Bg4 7. Bxf7+ Kd7 8. Bxf4 Bxf3 9. Qxf3 Kc7 10. 0-0-0 Nd7 11. d5 a6 12. dxc6 Nxc6 13. Be6 Be7 14. Bxd7 Qxd7 15. Nd5+ Kb8 16. Nxe7 Nxe7 17. Rxd6 Qa4 18. Rd4+ 1-0

[Event "Euskadi-ch Seniors 28th"]
[Site "Zarautz"]
[Date "2018.06.23"]
[Round "4"]
[White "Martinez de Butron Alberdi, Luis"]
[Black "Sierra Lozano, Jaime"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1559"]
[PlyCount "29"]
[EventDate "2018.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. h3 Nc6 4. Bc4 f6 5. 0-0 Qe7 6. d4 exd4 7. Nxd4 Nxd4 8. Qxd4 Be6 9. Nc3 Bxc4 10. Qxc4 a6 11. Nd5 Qf7 12. Nxc7+ Ke7 13. Qxf7+ Kxf7 14. Nxa8 Ne7 15. Nb6 1-0

[Event "Euskadi-ch Seniors 28th"]
[Site "Zarautz"]
[Date "2018.06.23"]
[Round "2"]
[White "Sierra Lozano, Jaime"]
[Black "Aizpurua Zufiria, Inaki"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "1449"]
[PlyCount "70"]
[EventDate "2018.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Nbd2 c5 5. Bb5+ Bd7 6. Bxd7+ Nbxd7 7. c3 Be7 8. 0-0 0-0 9. a3 cxd4 10. cxd4 Qc7 11. b4 Rac8 12. Bb2 Qc2 13. Qxc2 Rxc2 14. Rab1 Rfc8 15. Rfc1 b5 16. h3 h6 17. Kf1 Nb6 18. Rxc2 Rxc2 19. Ke1 Na4 20. Bc1 Kf8 21. Ne5 Ke8 22. Nd3 Nd7 23. Nb3 a6 24. Nbc5 Ndxc5 25. Nxc5 Nxc5 26. bxc5 Kd7 27. Ra1 Rc4 28. Bd2 Bd8 29. f4 Ra4 30. Ra2 Ba5 31. Bxa5 Rxa5 32. Kd2 Ra4 33. Kc2 Rc4+ 34. Kd2 a5 35. a4 b4 0-1

[Event "Euskadi-ch Seniors 28th"]
[Site "Zarautz"]
[Date "2018.06.23"]
[Round "6"]
[White "Sierra Lozano, Jaime"]
[Black "Alvarez Velez, Fernando"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "90"]
[EventDate "2018.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Nbd2 Bg7 5. c3 0-0 6. h3 e6 7. Be2 Nbd7 8. 0-0 c5 9. a3 c4 10. b4 Nb6 11. a4 Bd7 12. b5 a6 13. Ne5 axb5 14. Nxd7 Qxd7 15. Ba3 Rfb8 16. axb5 Qxb5 17. Bb4 Bf8 18. Bxf8 Kxf8 19. Qc2 Qc6 20. Ra2 Rxa2 21. Qxa2 Nbd7 22. Rb1 b5 23. Rb4 Ne8 24. Bf3 Nc7 25. Qb1 Qa6 26. h4 Qa5 27. h5 Na6 28. Rb2 b4 29. Ra2 Qb5 30. Rb2 b3 31. Qa1 Nb6 32. Qa3+ Kg7 33. Nb1 Qa4 34. Qxa4 Nxa4 35. Rd2 Nc7 36. hxg6 hxg6 37. e4 dxe4 38. Bxe4 Nb5 39. d5 Naxc3 40. Nxc3 Nxc3 41. Bf3 exd5 42. Bxd5 Nxd5 43. Rxd5 b2 44. Rd1 b1Q 45. Rxb1 Rxb1+ 0-1

[Event "Euskadi-ch Seniors 28th"]
[Site "Zarautz"]
[Date "2018.06.23"]
[Round "3"]
[White "Sierra Lozano, Jaime"]
[Black "Junquera Ciaurriz, Maria Teresa"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "1435"]
[PlyCount "17"]
[EventDate "2018.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "ESP"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Nbd2 Nfd7 5. e4 e6 6. e5 Bg7 7. c4 c6 8. c5 0-0 9. b4 0-1

