[Event "Gothenburg Kvibergspelen"]
[Site "Gothenburg"]
[Date "2023.09.16"]
[Round "6"]
[White "Strom Engdahl, Alexander"]
[Black "Havner, Arvid"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2164"]
[BlackElo "1876"]
[PlyCount "117"]
[EventDate "2023.09.15"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 e6 7. c3 Be7 8. d4 0-0 9. Rd1 Qc7 10. Bg5 Rfd8 11. a4 Rac8 12. Na3 a6 13. e5 dxe5 14. dxe5 Nd5 15. Rxd5 exd5 16. Bxe7 Re8 17. Bh4 Nxe5 18. Nxe5 Qxe5 19. Qxe5 Rxe5 20. Kf1 Re4 21. Bg5 f6 22. Be3 Rxa4 23. Rd1 d4 24. cxd4 cxd4 25. Rxd4 Rxd4 26. Bxd4 b5 27. Bc3 Re8 28. Nc2 Kf7 29. Nd4 Rd8 30. b4 Rc8 31. Be1 Rc4 32. Nf5 Rc2 33. h4 g6 34. Ne3 Rb2 35. Bc3 Rb3 36. Bd2 Rd3 37. Ke2 Rd4 38. g3 Ke6 39. Nc2 Rd7 40. Ne3 Rd4 41. Bc3 Rd7 42. Nc2 f5 43. Bd4 Rf7 44. Kd3 Kd5 45. Ne3+ Kc6 46. Ng2 Rd7 47. Nf4 Rd8 48. h5 g5 49. Ne6 Rd6 50. Nxg5 Rh6 51. Be3 Kd5 52. Nh3 Rd6 53. Bd4 Rc6 54. Nf4+ Kd6 55. Ng2 Rc4 56. Bc3 Ke7 57. Ne3 Rc6 58. Nxf5+ Ke6 59. Nd4+ 1-0

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.13"]
[Round "8"]
[White "Havner, Arvid"]
[Black "Sandberg, Lucas"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1825"]
[BlackElo "1311"]
[PlyCount "62"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Kb1 Nxd4 11. e5 Nd7 12. Bxd4 Nxe5 13. f4 Nc6 14. Bxg7 Kxg7 15. Qxd5 Be6 16. Qxd8 Rfxd8 17. Bd3 Nd4 18. Nb5 Nxb5 19. Bxb5 a6 20. Bd3 Bd5 21. Rd2 Bc6 22. Rhd1 Rd7 23. Bf1 Rxd2 24. Rxd2 Re8 25. c4 f6 26. Kc2 e5 27. fxe5 fxe5 28. Kd3 Rf8 29. Ke2 Rf4 30. b3 Re4+ 31. Kf2 Rd4 1/2-1/2

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.13"]
[Round "7"]
[White "Havner, Arvid"]
[Black "Wennerlund, Elias"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1825"]
[BlackElo "1710"]
[PlyCount "97"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 c5 7. d5 g6 8. Nf3 Bg4 9. h3 Bxf3 10. Qxf3 Bg7 11. e6 0-0 12. Qe3 Qc8 13. exf7+ Rxf7 14. Be2 Bd4 15. Qb3 Bf2+ 16. Kd1 h5 17. Be3 Qf8 18. Rf1 N8d7 19. Nd2 Bxe3 20. Rxf7 Qxf7 21. Qxe3 Qf6 22. Kc2 Qe5 23. Qxe5 Nxe5 24. b3 e6 25. Nf3 exd5 26. cxd5 Nbd7 27. Nxe5 Nxe5 28. Re1 Nd7 29. Bb5 Rd8 30. Re7 Nf6 31. Rxb7 Nxd5 32. Bc4 a5 33. Rb5 Kg7 34. Bxd5 Rxd5 35. Rxa5 Rg5 36. g4 hxg4 37. hxg4 Rxg4 38. Kc3 Rg2 39. a4 g5 40. Rxc5 g4 41. a5 g3 42. a6 Ra2 43. Rg5+ Kf6 44. Rxg3 Rxa6 45. Re3 Ra1 46. Kc4 Rc1+ 47. Kb5 Rb1 48. b4 Rb2 49. Kc5 1-0

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.12"]
[Round "5"]
[White "Havner, Arvid"]
[Black "Bergholtz, Karl"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "1825"]
[BlackElo "1521"]
[PlyCount "99"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 0-0 8. a4 Bb7 9. Nc3 b4 10. Nd5 a5 11. Re1 Nd4 12. Nxd4 exd4 13. Nxe7+ Qxe7 14. Bg5 h6 15. Bh4 Qd6 16. Qf3 Ra6 17. Bc4 Rb6 18. Qf5 c5 19. f3 Nh7 20. Bg3 Qe7 21. Qe5 Qxe5 22. Bxe5 d6 23. Bg3 Nf6 24. e5 Nh5 25. exd6 Nxg3 26. hxg3 Rxd6 27. Re5 Rc8 28. Rae1 Kf8 29. Bxf7 Kxf7 30. Re7+ Kf6 31. Rxb7 c4 32. Kf2 cxd3 33. cxd3 Rdc6 34. f4 Rc2+ 35. Re2 Rxe2+ 36. Kxe2 Rc2+ 37. Kf3 Rxb2 38. Rb5 Rb1 39. Ke4 Rg1 40. Rxa5 Rxg2 41. Rb5 Rxg3 42. Rxb4 h5 43. Rb6+ Ke7 44. Rb5 g6 45. Rg5 Rxg5 46. fxg5 Ke6 47. Kxd4 Kd6 48. Ke4 Kc6 49. d4 h4 50. Kf4 1-0

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.12"]
[Round "6"]
[White "Thern, Alfred"]
[Black "Havner, Arvid"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1825"]
[PlyCount "61"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Bf5 6. Be2 e6 7. Nh4 Bg6 8. Nxg6 hxg6 9. c3 cxd4 10. exd4 Bd6 11. Bxd6 Qxd6 12. Nf3 a6 13. g3 Ke7 14. 0-0 Ne4 15. Re1 b5 16. Bd3 Nf6 17. Ne5 Rh5 18. f4 Rah8 19. h4 Nd7 20. Qf3 Ndxe5 21. fxe5 Qd7 22. Rf1 Nd8 23. a4 g5 24. axb5 axb5 25. Ra5 Kf8 26. Bxb5 Qb7 27. Rfa1 gxh4 28. g4 R5h7 29. Ra8 Qxb5 30. Rxd8+ Ke7 31. Rxh8 1-0

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.11"]
[Round "2"]
[White "Bjorklund, Thomas"]
[Black "Havner, Arvid"]
[Result "1-0"]
[ECO "B94"]
[WhiteElo "2139"]
[BlackElo "1825"]
[PlyCount "39"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Bc4 e6 8. 0-0 Be7 9. Bxe6 fxe6 10. Nxe6 Qa5 11. Nxg7+ Kd8 12. Ne6+ Ke8 13. Nd5 h5 14. Nec7+ Kd8 15. Nxa8 Nxd5 16. Bd2 Qc5 17. exd5 Qxd5 18. Bc3 Qxd1 19. Raxd1 Rg8 20. Ba5+ 1-0

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.11"]
[Round "4"]
[White "Granath, Andreas"]
[Black "Havner, Arvid"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1673"]
[BlackElo "1825"]
[PlyCount "92"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 0-0 6. Ngf3 dxc4 7. 0-0 b5 8. Ne5 Nd5 9. a3 Bd6 10. a4 Bb7 11. axb5 Bxe5 12. dxe5 c3 13. Nc4 Nd7 14. f4 N7b6 15. Na5 c2 16. Qxc2 Nb4 17. Qc5 Bxg2 18. Kxg2 Qd5+ 19. Qxd5 N6xd5 20. Bd2 Nc2 21. Rac1 Nce3+ 22. Kf2 Nxf1 23. Kxf1 Rab8 24. e4 Ne7 25. Rxc7 Rfe8 26. Nb7 Nc8 27. Bb4 h6 28. Nd6 Nxd6 29. exd6 Rxb5 30. d7 Rd8 31. Be7 Rxd7 32. Rxd7 Rxb2 33. Rxa7 Rxh2 34. Bd6 g5 35. Ra8+ Kg7 36. Be5+ Kg6 37. g4 gxf4 38. Rg8+ Kh7 39. Rg7+ Kh8 40. Rxf7+ Kg8 41. Rxf4 h5 42. Kg1 Rh4 43. g5 Rg4+ 44. Rxg4 hxg4 45. Kg2 Kf7 46. Kg3 Ke8 1-0

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2023.08.11"]
[Round "3"]
[White "Havner, Arvid"]
[Black "Buzleta, Patrik"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "1825"]
[BlackElo "1604"]
[PlyCount "94"]
[EventDate "2023.08.11"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d6 3. c4 g6 4. Nc3 Bg7 5. Be3 b6 6. Be2 Bb7 7. Qd2 h6 8. Nf3 Nd7 9. a4 a6 10. a5 Qe7 11. 0-0 Ngf6 12. d5 Ng4 13. Bd4 e5 14. Be3 bxa5 15. Rxa5 Nxe3 16. Qxe3 0-0 17. Nd2 Qd8 18. b4 f5 19. Nb3 f4 20. Qd3 h5 21. c5 Bc8 22. Rfa1 Nf6 23. b5 Ng4 24. h3 Nf6 25. cxd6 cxd6 26. bxa6 g5 27. Nb5 g4 28. h4 Nxe4 29. g3 fxg3 30. fxg3 Qb6+ 31. N3d4 Nf2 32. Qc4 exd4 33. Qc6 Qxc6 34. dxc6 d3 35. Bxd3 Bxa1 36. Bc4+ Kg7 37. Rxa1 Nh3+ 38. Kh1 Rxa6 39. Re1 Rxc6 40. Re7+ Kf6 41. Rh7 Rxc4 42. Rh6+ Ke7 43. Rh7+ Rf7 44. Rxf7+ Ke6 45. Rf1 Bb7+ 46. Kh2 Rc2+ 47. Rf2 Rxf2# 0-1

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2022.08.14"]
[Round "8"]
[White "Havner, Arvid"]
[Black "Asbrink, Adam"]
[Result "0-1"]
[ECO "B15"]
[BlackElo "1977"]
[PlyCount "86"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Nf3 0-0 8. Be2 Re8 9. 0-0 Nd7 10. c4 Nf8 11. h3 Be6 12. Qd3 Qd7 13. Rfe1 Rad8 14. Rad1 Ng6 15. Qc3 Bb8 16. b4 Qc7 17. Bd3 Ne7 18. Qc2 g6 19. b5 cxb5 20. cxb5 Qxc2 21. Bxc2 Bxa2 22. Be4 Nd5 23. Bd3 Nb6 24. Bh6 Bd5 25. h4 Nc4 26. Rxe8+ Rxe8 27. Rb1 b6 28. Rc1 Nd6 29. Kf1 Be6 30. Re1 Bd7 31. Rxe8+ Bxe8 32. Bf4 Bc7 33. Bxd6 Bxd6 34. Ke2 Kf8 35. Ke3 Bd7 36. d5 Bc5+ 37. Ke2 Ke7 38. Nd2 f5 39. f4 Kd6 40. Bc4 f6 41. Nb3 Be8 42. Nxc5 Kxc5 43. Kd3 Bf7 0-1

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2022.08.13"]
[Round "5"]
[White "Havner, Arvid"]
[Black "Karlsson, Stefan2222"]
[Result "1/2-1/2"]
[ECO "B19"]
[BlackElo "1560"]
[PlyCount "70"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

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. Bf4 Ngf6 10. Bd3 Bxd3 11. Qxd3 e6 12. 0-0-0 Qa5 13. Kb1 Be7 14. c4 0-0-0 15. Ne5 Nxe5 16. Bxe5 Ng4 17. Qe2 Nxe5 18. Qxe5 Qxe5 19. dxe5 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Kxd8 22. Ne4 f6 23. f4 f5 24. Nf2 Ke8 25. Kc2 Kf7 26. Kd2 g6 27. hxg6+ Kxg6 28. Ke2 h5 29. Nd3 b5 30. cxb5 cxb5 31. b3 a5 32. a4 bxa4 33. bxa4 Ba3 34. Ne1 Kf7 35. Kf3 Ke8 1/2-1/2

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2022.08.13"]
[Round "6"]
[White "Jonbrink, Per Olof"]
[Black "Havner, Arvid"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1728"]
[PlyCount "68"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 Nf6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. d3 e6 8. 0-0 Be7 9. Qe2 0-0 10. b3 b5 11. a4 b4 12. Nd1 Qb6 13. Kh1 Rfe8 14. Ne3 d5 15. e5 Nd7 16. Bb2 a5 17. d4 cxd4 18. Bxd4 Bc5 19. Rad1 Bxd4 20. Nxd4 Nc5 21. Qg4 Ne4 22. f5 Bd7 23. f6 g6 24. Qh4 Qc5 25. Rf3 Qf8 26. Rh3 h5 27. Ng4 Rec8 28. Ne3 Qh6 29. Rf1 Rc3 30. Ng4 Qh7 31. Rxc3 bxc3 32. Ne3 Qh6 33. Qh3 Kh7 34. Nxd5 Nf2+ 0-1

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2022.08.12"]
[Round "1"]
[White "Havner, Arvid"]
[Black "Kosmidis, Thomas"]
[Result "1/2-1/2"]
[ECO "B15"]
[BlackElo "1673"]
[PlyCount "96"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 7. Nf3 Be6 8. Be2 Nd7 9. 0-0 0-0 10. c4 Bg4 11. h3 Bh5 12. d5 c5 13. Nh4 Bxe2 14. Qxe2 Re8 15. Nf5 Ne5 16. f4 Ng6 17. Qg4 Rxe3 18. Nxe3 Bxf4 19. Rxf4 Nxf4 20. Qxf4 Qd7 21. Nf5 g6 22. Qg4 Qxf5 23. Qxf5 gxf5 24. Rf1 Re8 25. Rxf5 Re2 26. d6 Kf8 27. Rxc5 Ke8 28. Rb5 b6 29. Kf1 Rd2 30. Rd5 Rxb2 31. Rh5 Rxa2 32. Rxh7 a5 33. Rh8+ Kd7 34. Rb8 Ra4 35. Rxb6 Rxc4 36. Rb7+ Kxd6 37. Rxf7 Ke6 38. Ra7 a4 39. Kf2 Kf5 40. g4+ Kg5 41. Ra6 f5 42. Ra5 Kh4 43. gxf5 Kxh3 44. Kf3 Kh4 45. f6 a3 46. f7 Rc8 47. Rxa3 Rf8 48. Ra4+ Kg5 1/2-1/2

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2022.08.12"]
[Round "3"]
[White "Havner, Arvid"]
[Black "Shchetinin, Oleg"]
[Result "0-1"]
[ECO "B02"]
[BlackElo "1643"]
[PlyCount "90"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 Nxc3 7. bxc3 e6 8. 0-0 Be7 9. h3 Bh5 10. Ne5 Bxe2 11. Qxe2 Nxe5 12. Qxe5 Bf6 13. Qg3 Qd6 14. Bf4 Qc6 15. Bxc7 Rc8 16. Be5 Bxe5 17. dxe5 0-0 18. Rab1 b6 19. Rfd1 Qxc3 20. Qxc3 Rxc3 21. Rbc1 Rfc8 22. Rd7 R3c7 23. Rcd1 Kf8 24. Rxc7 Rxc7 25. Kf1 Ke7 26. Rd2 Rc3 27. a4 Rc5 28. Re2 Kd7 29. Ke1 Kc6 30. Kd2 Kd5 31. Re3 Rc4 32. Rd3+ Kxe5 33. Rd7 Rd4+ 34. Rxd4 Kxd4 35. c3+ Kc4 36. Kc2 e5 37. g4 g6 38. g5 e4 39. a5 bxa5 40. Kb2 a4 41. Ka3 Kxc3 42. Kxa4 Kd3 43. Kb4 Ke2 44. Kc4 Kxf2 45. Kd4 e3 0-1

[Event "Gothenburg op"]
[Site "Gothenburg"]
[Date "2022.08.12"]
[Round "2"]
[White "Larsson, Torbjorn"]
[Black "Havner, Arvid"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2070"]
[PlyCount "35"]
[EventDate "2022.08.12"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "SWE"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 Nbd7 10. 0-0-0 0-0 11. g4 b5 12. g5 b4 13. gxf6 bxc3 14. Qxc3 Nxf6 15. Rg1 Kh8 16. f4 exf4 17. Bxf4 Nxe4 18. Qxg7# 1-0

