[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.12"]
[Round "8"]
[White "Nino, Jesus Camilo"]
[Black "Guerrero Guzman, Francisco"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1533"]
[PlyCount "25"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Nf6 7. Bg5 a6 8. Bxf6 Qxf6 9. Nc7+ Kd8 10. Nxa8 Bg4 11. f3 Be6 12. Nb6 Qg6 13. Nc3 1-0

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.11"]
[Round "7"]
[White "Guerrero Guzman, Francisco"]
[Black "Angulo Ricardo, Milton"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1640"]
[PlyCount "49"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nc6 4. d4 cxd4 5. cxd4 Nf6 6. Nc3 a6 7. h3 b5 8. Bd3 Bb7 9. Be3 e6 10. 0-0 Be7 11. Rc1 Rc8 12. a3 0-0 13. e5 dxe5 14. dxe5 Nd7 15. Be4 Nc5 16. Bc2 Qc7 17. Qe2 Rfd8 18. Rfd1 b4 19. Ne4 bxa3 20. Nxc5 axb2 21. Bxh7+ Kxh7 22. Qxb2 Rxd1+ 23. Rxd1 g6 24. Ng5+ Kg7 25. Qxb7 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.10"]
[Round "4"]
[White "Bautista Chiquillo, Leidy Johanna"]
[Black "Guerrero Guzman, Francisco"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1638"]
[PlyCount "53"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 f6 6. c4 a6 7. Ba4 Nge7 8. Nc3 Be6 9. cxd5 Nxd5 10. Bxc6+ bxc6 11. 0-0 c5 12. Rc1 Qe7 13. d4 Nxc3 14. Bxc3 cxd4 15. exd4 e4 16. Nd2 f5 17. d5 Bd7 18. Nc4 0-0 19. Qd4 Rf6 20. Rfe1 Re8 21. Nxd6 cxd6 22. Qb6 Rg6 23. Bd2 Bb5 24. Rc7 Qh4 25. Qc6 Rxg2+ 26. Kxg2 Qg4+ 27. Kh1 1/2-1/2

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.10"]
[Round "5"]
[White "Guerrero Guzman, Francisco"]
[Black "Correa Junco, Alexander"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1537"]
[PlyCount "47"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. a4 cxd4 8. cxd4 Bb4+ 9. Nc3 Nge7 10. Bd3 Bd7 11. Bc2 Nf5 12. Bxf5 exf5 13. 0-0 Be6 14. Nb5 0-0 15. Bd2 Be7 16. Rc1 Rfc8 17. Qe2 Nb4 18. Rxc8+ Rxc8 19. Rc1 Rc6 20. Bc3 h6 21. h4 Na2 22. Rc2 Nxc3 23. Rxc3 Rxc3 24. Nxc3 0-1

[Event "Soacha op-B"]
[Site "Soacha"]
[Date "2021.09.09"]
[Round "2"]
[White "Sanchez Aragon, Michael Alejandro"]
[Black "Guerrero Guzman, Francisco"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "1246"]
[PlyCount "55"]
[EventDate "2021.09.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Ne4 c5 14. Nxf6+ Nxf6 15. Qb5+ Qd7 16. Qxd7+ Nxd7 17. Be3 cxd4 18. Bxd4 Bf6 19. Rhe1 0-0 20. Bxa7 Rxa7 21. Rxd7 Rxa2 22. Rxb7 Rd8 23. Kb1 Rda8 24. c3 R2a5 25. g4 Ra4 26. Rb4 Rxb4 27. cxb4 Rb8 28. Re4 1/2-1/2

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.19"]
[Round "4"]
[White "Guerrero Guzman, Francisco"]
[Black "Mejia Amaya, Jose Luis"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1678"]
[BlackElo "1960"]
[PlyCount "17"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Ng8 5. Bd3 c5 6. c3 Nc6 7. Ngf3 Bd7 8. 0-0 b5 9. a3 1-0

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.18"]
[Round "3"]
[White "Estrella Becerra, Fernando"]
[Black "Guerrero Guzman, Francisco"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1928"]
[BlackElo "1678"]
[PlyCount "130"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. g3 e6 6. Bg2 Nc6 7. Nf3 Be7 8. 0-0 0-0 9. a3 Bd7 10. b4 a6 11. Bb2 b5 12. e3 Rc8 13. Rc1 Qb6 14. Ne1 a5 15. Qe2 axb4 16. Qxb5 Qxb5 17. Nxb5 Na5 18. a4 Rxc1 19. Bxc1 Rb8 20. Nd3 Bxb5 21. axb5 Rxb5 22. Bb2 Nc4 23. Ra1 Ra5 24. Rxa5 Nxa5 25. f3 Nc4 26. Kf2 Nxb2 27. Nxb2 b3 28. Bf1 Ba3 29. Na4 Ne8 30. Bd3 Nd6 31. Ke2 Nc4 32. e4 Bb4 33. Kd1 Kf8 34. Kc1 h6 35. Be2 Ke7 36. Bd1 dxe4 37. fxe4 Ba3+ 38. Kb1 Nd2+ 39. Ka1 Nxe4 40. Bxb3 Nd2 41. Bd1 Nf1 42. Ka2 Bd6 43. Kb3 Nxh2 44. g4 Nf1 45. Kc3 Ne3 46. Bf3 Kf6 47. Kd3 Nd5 48. Nc3 Nxc3 49. Kxc3 Kg5 50. Kd3 Kf4 51. Bd1 f5 52. gxf5 exf5 53. Ke2 Kg3 54. Kf1 g5 55. Kg1 g4 56. Bc2 f4 57. Bg6 Kh4 58. Kg2 Kg5 59. Be4 h5 60. Kf2 h4 61. Kg2 h3+ 62. Kf2 Kh4 63. Bc6 g3+ 64. Kf3 Bb4 65. d5 g2 0-1

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.18"]
[Round "2"]
[White "Guerrero Guzman, Francisco"]
[Black "Villalobos, Alejandro"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1678"]
[BlackElo "1419"]
[PlyCount "40"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nf6 7. Bg5 Nbd7 8. Ne5 Bxe4 9. Bxe4 Be7 10. Bxb7 Nxe5 11. dxe5 Nd5 12. Bc6+ Kf8 13. Bxe7+ Kxe7 14. Bxa8 Qxa8 15. Qf3 Qb8 16. Qa3+ Ke8 17. 0-0 f6 18. Rad1 h5 19. c4 Nb6 20. b3 g5 1-0

[Event "Bogota AlphaZero op"]
[Site "Bogota"]
[Date "2018.08.17"]
[Round "1"]
[White "Acosta, Alejandro"]
[Black "Guerrero Guzman, Francisco"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2292"]
[BlackElo "1678"]
[PlyCount "41"]
[EventDate "2018.08.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nd7 9. 0-0 0-0 10. Re1 Re8 11. a3 Nf8 12. Ne5 Bd7 13. Qf3 f6 14. Nxd5 exd5 15. Qxd5+ Be6 16. Qxd8 Raxd8 17. Nf3 a6 18. Bd2 Bg4 19. Bc4+ Kh8 20. Bf7 Bxf3 21. gxf3 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.06"]
[Round "5"]
[White "Ariza de la Hoz, Jose Tobias"]
[Black "Guerrero Guzman, Francisco"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "43"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 d5 4. exd5 Qxd5 5. Nc3 Qa5 6. a3 Qc5 7. b4 Qd6 8. Bc4 Bg4 9. h3 Bh5 10. g4 Bxg4 11. hxg4 exf4 12. Qe2+ Be7 13. Bb2 0-0-0 14. Ne4 Qg6 15. b5 Na5 16. Ne5 Qb6 17. Nxf7 Nxc4 18. Qxc4 Nf6 19. Nxh8 Nxg4 20. Bxg7 Bh4+ 21. Rxh4 Qg1+ 22. Qf1 1-0

[Event "Bogota McGregor op 4th"]
[Site "Bogota"]
[Date "2013.12.05"]
[Round "3"]
[White "Sosa Florez, Luis Felipe"]
[Black "Guerrero Guzman, Francisco"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1752"]
[PlyCount "31"]
[EventDate "2013.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 157 Extra"]
[Source "ChessBase"]
[SourceDate "2013.12.19"]
[SourceVersion "1"]
[SourceVersionDate "2013.12.19"]
[SourceQuality "1"]

1. d4 c6 2. Nf3 d5 3. c4 Nf6 4. g3 Bf5 5. Bg2 e6 6. 0-0 Nbd7 7. e3 Bd6 8. Nbd2 0-0 9. Nh4 Bg6 10. Nxg6 fxg6 11. b3 Ne4 12. Bb2 Ndf6 13. Nxe4 dxe4 14. Rc1 Qe7 15. c5 Bb8 16. Qc2 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.13"]
[Round "7"]
[White "Celis Vargas, Walter Enrique"]
[Black "Guerrero Guzman, Francisco"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1678"]
[PlyCount "66"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Bc5 6. d3 b5 7. Bb3 0-0 8. c3 Ba7 9. Bg5 d6 10. Nbd2 Be6 11. Bc2 Nb8 12. d4 Bg4 13. h3 h6 14. Bxf6 Qxf6 15. hxg4 Nd7 16. Nb3 Bb6 17. Qd2 Rfd8 18. g5 hxg5 19. Qxg5 Qxg5 20. Nxg5 c5 21. d5 c4 22. Nd2 g6 23. g3 Kg7 24. Kg2 Rh8 25. Rh1 Nc5 26. Rxh8 Rxh8 27. Rh1 Rxh1 28. Kxh1 f6 29. Ngf3 f5 30. exf5 gxf5 31. Bxf5 Kf6 32. Bc2 Nd3 33. Bxd3 cxd3 1-0

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.12"]
[Round "5"]
[White "Acosta, Jaime"]
[Black "Guerrero Guzman, Francisco"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1642"]
[PlyCount "38"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bc4 Be6 7. 0-0 Nf6 8. Bg5 h6 9. Bh4 Be7 10. Nc3 0-0 11. Bb3 Nh5 12. Bxe7 Qxe7 13. f4 Nf6 14. f5 Bxb3 15. axb3 a6 16. Rac1 Qe5 17. Qxe5 dxe5 18. Nd5 Nxe4 19. f6 c5 1/2-1/2

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "3"]
[White "Guerrero Guzman, Francisco"]
[Black "Agudelo, Antonio"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2253"]
[PlyCount "29"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd2 Nc6 6. a3 Ba5 7. Bb5 Nge7 8. Nge2 0-0 9. 0-0 Bg4 10. f3 Bf5 11. Na2 Bb6 12. c3 Na5 13. Bf4 c6 14. Bd3 Nc4 15. Bxf5 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.11"]
[Round "4"]
[White "Guerrero Guzman, Francisco"]
[Black "Ruiz Cruz, Marco Antonio"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "111"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Nd5 Nbd7 9. f3 Rc8 10. Qd2 b5 11. g4 Nc5 12. Nxc5 dxc5 13. 0-0-0 Be7 14. h4 0-0 15. h5 Rc6 16. Bh3 Nxd5 17. exd5 Rd6 18. Bxc5 Rxd5 19. Bxe7 Qxe7 20. Qe2 Rc5 21. Kb1 Rfc8 22. Rd2 a5 23. Rhd1 a4 24. Qd3 f6 25. Qa3 Qc7 26. Rc1 h6 27. Bf1 f5 28. Be2 fxg4 29. fxg4 e4 30. Qe3 Qe5 31. Rd4 Bd5 32. Bd3 Rf8 33. Rd1 Bc4 34. Rd6 Bd5 35. Rd7 Bc4 36. Bxc4+ Rxc4 37. R7d5 Qh2 38. R5d2 Qf4 39. Qxf4 Rxf4 40. Rd5 Rxg4 41. Rxb5 Rg5 42. Rb8+ Kf7 43. Rf1+ Ke6 44. Rb6+ Ke5 45. c3 e3 46. Re1 Kf4 47. Re6 Rg3 48. Kc1 Re4 49. Rf1+ Rf3 50. Rxf3+ Kxf3 51. Rxe4 Kxe4 52. Kd1 Kd3 53. Ke1 e2 54. c4 Kxc4 55. Kxe2 Kb4 56. Kd2 0-1

[Event "Bogota University op 7th"]
[Site "Bogota"]
[Date "2013.10.10"]
[Round "1"]
[White "Andrade Truyol, Geiner Jose"]
[Black "Guerrero Guzman, Francisco"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1965"]
[PlyCount "43"]
[EventDate "2013.10.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 b5 6. Bb3 d6 7. dxe5 Ng4 8. Qd5 Be6 9. Qxc6+ Bd7 10. Qd5 Be6 11. Qd3 c5 12. Bxe6 fxe6 13. Bg5 Qd7 14. 0-0 d5 15. exd5 exd5 16. e6 Qd6 17. Nc3 Be7 18. Bxe7 Qxe7 19. Nxd5 Qb7 20. Qf5 Nf6 21. Nxf6+ gxf6 22. Nd2 1-0

[Event "Bogota op 07"]
[Site "Bogota"]
[Date "2012.07.20"]
[Round "2"]
[White "Cuellar, Jose Gabriel"]
[Black "Guerrero Guzman, Francisco"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1756"]
[PlyCount "83"]
[EventDate "2012.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Bf4 d6 5. h3 0-0 6. e3 Nbd7 7. Bd3 b6 8. 0-0 Bb7 9. Nbd2 c5 10. d5 Qc7 11. Ng5 Nh5 12. Qc2 Nxf4 13. exf4 Rae8 14. Rae1 h6 15. Ngf3 e6 16. dxe6 fxe6 17. Bxg6 Re7 18. f5 e5 19. Ne4 Nf6 20. Nxf6+ Bxf6 21. b3 Bxf3 22. gxf3 Rg7 23. Qe4 Qe7 24. Rd1 Kh8 25. Kh1 Bg5 26. Rg1 Bf4 27. Rg4 h5 28. Bxh5 Rh7 29. Rxf4 exf4 30. Qxe7 Rxe7 31. Bg6 Rf6 32. Rd2 Kg7 33. h4 Rd7 34. h5 Rf8 35. Kg2 Rfd8 36. Kh3 d5 37. cxd5 Rxd5 38. Re2 R8d7 39. Kg4 Rd2 40. Re8 Rxf2 41. h6+ Kxh6 42. Rh8+ 0-1

[Event "Bogota op 07"]
[Site "Bogota"]
[Date "2012.07.19"]
[Round "1"]
[White "Guerrero Guzman, Francisco"]
[Black "Guio, Josue"]
[Result "0-1"]
[ECO "B42"]
[BlackElo "1897"]
[PlyCount "22"]
[EventDate "2012.07.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 e6 8. 0-0 Be7 9. Be3 0-0 10. b4 b5 11. Rb1 Qxc3 0-1

