[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.17"] [Round "1.1"] [White "Hugentobler, P"] [Black "Wirz, H"] [Result "0-1"] [WhiteTitle "FM"] [WhiteElo "2152"] [BlackElo "2110"] [ECO "C10"] [Opening "French"] [Variation "Fort Knox variation"] [EventDate "2023.07.17"] [WhiteFideId "1301497"] [BlackFideId "1308548"] 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. Bf4 Ngf6 8. Nxf6+ Nxf6 9. O-O Bd6 10. Ne5 O-O 11. Nxc6 bxc6 12. Be5 Rb8 13. b3 Bxe5 14. dxe5 Nd5 15. Qh5 h6 16. Rad1 Qe7 17. Qf3 Rb6 18. c4 Nb4 19. Bb1 c5 20. h4 Qxh4 21. Rd7 Nc6 22. Qe3 Qh5 23. Re1 Rd8 24. Rxd8+ Nxd8 25. Qe4 Nc6 26. Qh7+ Kf8 27. Qh8+ Ke7 28. Qxg7 Rb8 29. Qf6+ Kd7 30. Bc2 Nd4 31. Bd1 Qg6 32. Qxg6 fxg6 33. Re4 Rf8 34. f4 a5 35. g3 Ke7 36. Kg2 Rd8 37. Bg4 h5 38. Bf3 a4 39. bxa4 Rb8 40. g4 Rb2+ 41. Kg3 h4+ 42. Kxh4 Nxf3+ 43. Kg3 Nd4 44. Re1 Rxa2 45. Rh1 Ra3+ 46. Kg2 Rxa4 47. Rh7+ Kd8 48. Rg7 Rxc4 49. Rxg6 Rc2+ 50. Kg3 c4 51. f5 exf5 52. gxf5 Nxf5+ 53. Kf4 Rf2+ 54. Ke4 c3 55. Rc6 c2 56. e6 Ne7 57. Rc3 c6 58. Rc5 Kc7 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.17"] [Round "1.2"] [White "Wirthensohn, H"] [Black "Kuhn, Th"] [Result "1/2-1/2"] [WhiteTitle "IM"] [WhiteElo "2273"] [BlackElo "2070"] [ECO "A41"] [Opening "Robatsch defence"] [Variation "Rossolimo variation"] [EventDate "2023.07.17"] [WhiteFideId "1300059"] [BlackFideId "1304135"] 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c4 Bg4 5. Be2 Nc6 6. Nbd2 e5 7. d5 Nce7 8. O-O Bd7 9. c5 Nf6 10. cxd6 cxd6 11. a4 O-O 12. b3 Ne8 13. Nc4 h6 14. Ba3 Bg4 15. Ne1 Bxe2 16. Qxe2 f5 17. f3 Nc8 18. Nd3 Nb6 19. a5 fxe4 20. fxe4 Rxf1+ 21. Qxf1 Nxc4 22. bxc4 Qxa5 23. c5 Nf6 24. cxd6 Nxe4 25. Bc5 Qc3 26. Rc1 Qb3 27. Qf3 Ng5 28. Qe3 b6 29. Bb4 Rd8 30. Rc7 Qxd5 31. Nf2 e4 32. Bc3 Bxc3 33. Qxc3 Ne6 34. Qf6 Qf5 35. Nxe4 Qxf6 36. Nxf6+ Kf8 37. Nh7+ Kg8 38. Nf6+ Kf8 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.17"] [Round "1.4"] [White "Huss, Benjamin"] [Black "Huss, A"] [Result "1/2-1/2"] [BlackTitle "IM"] [WhiteElo "2065"] [BlackElo "2211"] [ECO "C01"] [Opening "French"] [Variation "exchange variation"] [EventDate "2023.07.17"] [WhiteFideId "1316982"] [BlackFideId "1300180"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Ne7 6. O-O O-O 7. Bf4 Bf5 8. c3 Bxd3 9. Qxd3 Bxf4 10. Nxf4 c6 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.18"] [Round "2.1"] [White "Wirz, H"] [Black "Huss, A"] [Result "0-1"] [BlackTitle "IM"] [WhiteElo "2110"] [BlackElo "2211"] [ECO "E15"] [Opening "Queen's Indian"] [Variation "4.g3"] [EventDate "2023.07.17"] [WhiteFideId "1308548"] [BlackFideId "1300180"] 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 c6 5. Bg2 Ba6 6. b3 Bb4+ 7. Bd2 Be7 8. Nc3 d5 9. cxd5 cxd5 10. O-O Nc6 11. a3 Rc8 12. b4 Bc4 13. Re1 O-O 14. Bf4 Nh5 15. Be3 f5 16. Nd2 b5 17. Nxc4 bxc4 18. Qd2 Kh8 19. Bf3 Nf6 20. Bg2 Qe8 21. f3 Bd6 22. Bf2 Qh5 23. e3 e5 24. Qd1 Qf7 25. Qa4 f4 26. b5 fxe3 27. bxc6 exf2+ 28. Kxf2 exd4 29. Ne2 Bc5 30. Nf4 d3+ 31. Kf1 Bb6 32. Bh3 d2 33. Re2 Rce8 34. Be6 Rxe6 35. Nxe6 Ne4 36. Nf4 Nc3 37. Qc2 Nxe2 38. Kxe2 Qe7+ 39. Kxd2 Qe3+ 40. Kd1 Qg1+ 41. Kd2 Be3+ 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.18"] [Round "2.2"] [White "Filipovic, Br"] [Black "Huss, Benjamin"] [Result "1/2-1/2"] [WhiteTitle "IM"] [WhiteElo "2318"] [BlackElo "2065"] [ECO "B08"] [Opening "Pirc"] [Variation "classical system, 5.Be2"] [EventDate "2023.07.17"] [WhiteFideId "14507951"] [BlackFideId "1316982"] 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O c6 7. a4 Qc7 8. h3 e5 9. dxe5 dxe5 10. Be3 h6 11. Qc1 Kh7 12. Nd2 g5 13. g4 Be6 14. Rd1 Rd8 15. Nf1 Rxd1 16. Qxd1 Nbd7 17. Qd2 Nf8 18. Rd1 Ng6 19. Ng3 Nf4 20. Bf1 Bf8 21. Nce2 Be7 22. Qc3 b6 23. f3 Rd8 24. Rxd8 Bxd8 25. Nc1 Be7 26. Nd3 Ng6 27. Nf5 Bxf5 28. gxf5 Nh4 29. Be2 Nd7 30. Bf2 Qd6 31. b3 Kg8 32. b4 Bf6 33. Nb2 Nb8 34. Nc4 Qe7 35. b5 cxb5 36. axb5 Nd7 37. Ne3 Qc5 38. Qxc5 bxc5 39. Nc4 Bd8 40. Nd6 Bc7 41. Nc8 Bb6 42. Ne7+ Kg7 43. Nd5 Nf6 44. Nxf6 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.18"] [Round "2.3"] [White "Kuhn, Th"] [Black "Borner, D"] [Result "1/2-1/2"] [BlackTitle "FM"] [WhiteElo "2070"] [BlackElo "2087"] [ECO "A15"] [Opening "English opening"] [EventDate "2023.07.17"] [WhiteFideId "1304135"] [BlackFideId "1301659"] 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 e5 7. d3 Nh5 8. Nc3 f5 9. O-O Nc6 10. Nd2 Be6 11. Nd5 Qd7 12. e3 Rae8 13. Rb1 Nd8 14. f4 c6 15. Nb4 Nf7 16. Nf3 Qc7 17. Nc2 Rd8 18. Qe1 Rfe8 19. Qf2 Nf6 20. Nd2 a6 21. h3 d5 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.18"] [Round "2.4"] [White "Hugentobler, P"] [Black "Wirthensohn, H"] [Result "1/2-1/2"] [WhiteTitle "FM"] [BlackTitle "IM"] [WhiteElo "2152"] [BlackElo "2273"] [ECO "B35"] [Opening "Sicilian"] [Variation "accelerated fianchetto, modern variation with Bc4"] [EventDate "2023.07.17"] [WhiteFideId "1301497"] [BlackFideId "1300059"] 1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Na5 8. Bxf7+ Kxf7 9. e5 b6 10. exf6 Bxf6 11. Ne4 Bb7 12. Nxf6 exf6 13. O-O Re8 14. b3 Nc6 15. Nb5 d5 16. Bf4 Ne5 17. a4 a6 18. Nd4 Qd7 19. Re1 Nc6 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.19"] [Round "3.1"] [White "Wirthensohn, H"] [Black "Wirz, H"] [Result "1-0"] [WhiteTitle "IM"] [WhiteElo "2273"] [BlackElo "2110"] [ECO "E92"] [Opening "King's Indian"] [Variation "Gligoric-Taimanov system"] [EventDate "2023.07.17"] [WhiteFideId "1300059"] [BlackFideId "1308548"] 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 Nc6 10. O-O Nh5 11. Rf2 Nf4 12. Nxc6 Nxe2+ 13. Rxe2 bxc6 14. Bd4 Be6 15. b3 Qg5 16. Bxg7 Kxg7 17. Qd4+ f6 18. Rf1 Qe5 19. Qd2 Rad8 20. f4 Qc5+ 21. Kh1 Bg4 22. Ree1 Qh5 23. Qf2 Qa5 24. Qd4 Qb6 25. Qd2 Qa5 26. Re3 Bc8 27. Rfe1 Be6 28. h3 Bf7 29. R1e2 Bg8 30. Qb2 Re6 31. Nd1 Rde8 32. Nf2 Bf7 33. Nd3 R6e7 34. e5 Kg8 35. c5 dxc5 36. Qc1 fxe5 37. Nxe5 Bd5 38. Qb2 Qb4 39. Ng4 Qd4 40. Qxd4 cxd4 41. Rxe7 Rxe7 42. Rxe7 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.19"] [Round "3.2"] [White "Borner, D"] [Black "Hugentobler, P"] [Result "0-1"] [WhiteTitle "FM"] [BlackTitle "FM"] [WhiteElo "2087"] [BlackElo "2152"] [ECO "C00"] [Opening "French"] [Variation "King's Indian attack"] [EventDate "2023.07.17"] [WhiteFideId "1301659"] [BlackFideId "1301497"] 1. e4 e6 2. d3 d5 3. Nd2 c5 4. f4 Nc6 5. g3 Nf6 6. e5 Nd7 7. Bg2 b5 8. Ngf3 Be7 9. O-O c4 10. d4 O-O 11. Rf2 b4 12. Nf1 c3 13. b3 Qb6 14. Be3 f5 15. h3 a5 16. g4 g6 17. Ng3 a4 18. Rc1 axb3 19. axb3 Kh8 20. g5 Ba6 21. h4 Bb5 22. Bh1 Kg7 23. h5 Nd8 24. hxg6 hxg6 25. Rh2 Nf7 26. Nh4 Rh8 27. Nhxf5+ exf5 28. Bxd5 Rxh2 29. Bxa8 Rh8 30. Qf3 Qd8 31. Bb7 Qc7 32. Ra1 Nd8 33. Ra7 Qb6 34. d5 Bc5 35. Bf2 Qxa7 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.19"] [Round "3.3"] [White "Huss, Benjamin"] [Black "Kuhn, Th"] [Result "0-1"] [WhiteElo "2065"] [BlackElo "2070"] [ECO "B06"] [Opening "Robatsch (modern) defence"] [EventDate "2023.07.17"] [WhiteFideId "1316982"] [BlackFideId "1304135"] 1. e4 g6 2. f4 d5 3. e5 c5 4. Nf3 Nh6 5. Be2 Nc6 6. O-O Bg4 7. c3 Bg7 8. h3 Bxf3 9. Bxf3 e6 10. g4 O-O 11. d3 Kh8 12. Be3 d4 13. Bf2 Ng8 14. g5 h6 15. h4 Nge7 16. c4 Nf5 17. Qe2 hxg5 18. hxg5 Nxe5 19. fxe5 Qxg5+ 20. Bg2 Ne3 21. Bxe3 dxe3 22. Nc3 Bxe5 23. Ne4 Qh4 24. Rf3 Kg7 25. Rh3 Qe7 26. Rf1 f5 27. Nc3 g5 28. Bf3 Rh8 29. Bh5 Rh6 30. Bg4 fxg4 31. Rxh6 Kxh6 32. Qxg4 Bf4 33. Kg2 Rh8 34. Rh1+ Kg7 35. Rxh8 Kxh8 36. Qh5+ Kg7 37. Ne4 b6 38. Qg4 Kg6 39. Kf3 Qf7 40. Ke2 Qf5 41. Qg2 g4 42. a3 Qh5 43. Ng3 Qe5 44. Qe4+ Qxe4 45. Nxe4 Kh5 46. Kf1 Kh4 47. Nc3 Be5 48. Ne2 Kh3 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.19"] [Round "3.4"] [White "Huss, A"] [Black "Filipovic, Br"] [Result "1-0"] [WhiteTitle "IM"] [BlackTitle "IM"] [WhiteElo "2211"] [BlackElo "2318"] [ECO "D85"] [Opening "Gruenfeld"] [Variation "modern exchange variation"] [EventDate "2023.07.17"] [WhiteFideId "1300180"] [BlackFideId "14507951"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Bb5+ Nc6 9. O-O a6 10. Bxc6+ bxc6 11. Be3 cxd4 12. cxd4 O-O 13. Rc1 Qa5 14. a4 Bg4 15. Rxc6 Rfd8 16. d5 Qb4 17. Qc2 f5 18. Ng5 fxe4 19. Bc5 Qb7 20. Qxe4 Bf5 21. Qc4 e6 22. Nxe6 Bxe6 23. Rxe6 Rac8 24. Rc6 Kh8 25. Bb6 Rxc6 26. Qxc6 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.20"] [Round "4.1"] [White "Wirz, H"] [Black "Filipovic, Br"] [Result "1/2-1/2"] [BlackTitle "IM"] [WhiteElo "2110"] [BlackElo "2318"] [ECO "A40"] [Opening "Queen's pawn"] [Variation "English defence"] [EventDate "2023.07.17"] [WhiteFideId "1308548"] [BlackFideId "14507951"] 1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bg5 Nf6 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Bd3 Nxg3 12. hxg3 Nd7 13. Be4 Bxe4 14. Qxe4 Nf6 15. Qc6+ Ke7 16. Nd2 g4 17. Ke2 Qd7 18. Qxd7+ Kxd7 19. Rh4 Rag8 20. Rah1 h5 21. Kd3 Rg5 22. Nb3 e5 23. e4 Ne8 24. a4 f5 25. Nd2 Nf6 26. d5 Rf8 27. Rf1 Ke7 28. Ke3 Rf7 29. exf5 Rxf5 30. a5 b5 31. cxb5 Nxd5+ 32. Kd3 Rxf2 33. Rxf2 Rxf2 34. Rxh5 Nf6 35. Rh2 d5 36. Ke3 Rf5 37. Rh8 d4+ 38. cxd4 exd4+ 39. Kxd4 Rd5+ 40. Kc3 Rxb5 41. Nc4 Nd5+ 42. Kd4 Nb4 43. Rh7+ Kd8 44. Rh8+ Ke7 45. Rh7+ Kd8 46. Rh8+ 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.20"] [Round "4.2"] [White "Kuhn, Th"] [Black "Huss, A"] [Result "1/2-1/2"] [BlackTitle "IM"] [WhiteElo "2070"] [BlackElo "2211"] [ECO "A14"] [Opening "English"] [Variation "Neo-Catalan declined"] [EventDate "2023.07.17"] [WhiteFideId "1304135"] [BlackFideId "1300180"] 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 a5 7. d4 a4 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nb5 Ne4 11. Qc2 c6 12. Nc3 Nxc3 13. Qxc3 Nd7 14. Nd2 Re8 15. e3 dxc4 16. bxc4 e5 17. c5 Nf6 18. Nc4 exd4 19. exd4 Be6 20. Rfe1 Qc7 21. Nb6 Rad8 22. Nxa4 Ra8 23. Qc2 Nd5 24. Nc3 Red8 25. a3 Nxc3 26. Qxc3 Ra4 27. Red1 h6 28. Rab1 Rda8 29. Qb2 R8a7 30. Ra1 Qa5 31. Rd3 Bc4 32. Re3 Qd8 33. Rae1 Be6 34. Rd1 Qa5 35. Rdd3 Bf5 36. Rb3 Qc7 37. h4 Qd7 38. Rb4 Be6 39. Be4 f5 40. Bc2 Rxb4 41. axb4 Ra2 42. Qc3 Kh8 43. Bb1 Ra8 44. Qe1 Bg8 45. Qc3 f4 46. Re1 fxg3 47. fxg3 Rd8 48. Bg6 Bd5 49. Kh2 Qg4 50. Qd3 Rf8 51. Re8 Rxe8 52. Bxe8 Qe6 53. Bg6 Qe1 54. Kh3 Qf2 55. h5 Be6+ 56. g4 Bd5 57. Be4 Be6 58. Bf3 Bc4 59. Qe4 Bf1+ 60. Bg2 Bxg2+ 61. Qxg2 Qxd4 62. Qe2 Qd5 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.20"] [Round "4.3"] [White "Hugentobler, P"] [Black "Huss, Benjamin"] [Result "1-0"] [WhiteTitle "FM"] [WhiteElo "2152"] [BlackElo "2065"] [ECO "B06"] [Opening "Robatsch defence"] [EventDate "2023.07.17"] [WhiteFideId "1301497"] [BlackFideId "1316982"] 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d6 5. Qd2 Nf6 6. Bh6 Bxh6 7. Qxh6 Qa5 8. f3 Be6 9. Ne2 Na6 10. Qd2 Bc4 11. Nf4 Bxf1 12. Rxf1 O-O-O 13. Nfe2 Kb8 14. Kf2 c5 15. d5 e6 16. Qf4 Nh5 17. Qxf7 e5 18. Kg1 c4 19. Kh1 Qc5 20. Qe7 Qe3 21. Qh4 Nc5 22. Qf2 Qh6 23. b4 Nd7 24. Nb5 Nb6 25. a4 Nc8 26. Na3 Rhf8 27. Nxc4 Nf6 28. Qe3 Qg7 29. Nd2 h5 30. c4 h4 31. c5 Rf7 32. Nc3 Nh5 33. Kg1 g5 34. c6 Nf4 35. h3 g4 36. fxg4 Qg5 37. Rf3 Rdf8 38. Raf1 b6 39. Kh2 Qg7 40. Ne2 Ne7 41. Nc4 Nxe2 42. Qxe2 Rxf3 43. Rxf3 Rxf3 44. Qxf3 Kc7 45. Na3 a6 46. a5 b5 47. Qf2 Nc8 48. Qf5 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.20"] [Round "4.4"] [White "Wirthensohn, H"] [Black "Borner, D"] [Result "0-1"] [WhiteTitle "IM"] [BlackTitle "FM"] [WhiteElo "2273"] [BlackElo "2087"] [ECO "E97"] [Opening "King's Indian"] [Variation "orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)"] [EventDate "2023.07.17"] [WhiteFideId "1300059"] [BlackFideId "1301659"] 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. Be3 Re8 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qxd8 Rxd8 12. Nb5 Rd7 13. Rfd1 Ne8 14. Nxa7 Rxd1+ 15. Rxd1 Be6 16. f3 c6 17. a4 Bf8 18. a5 Nc7 19. Bb6 Na6 20. Rc1 Bc5+ 21. Kf1 Rxa7 22. Bxa7 Bxa7 23. c5 Nxc5 24. a6 Nb3 25. Rc3 bxa6 26. Rxc6 a5 27. Bd1 Nd4 28. Rc7 Bb6 29. Rc1 Kf8 30. Ba4 Ke7 31. Ke1 Kd6 32. Rc3 Bc5 33. Kd1 Bb4 34. Re3 f5 35. exf5 gxf5 36. g3 Bd5 37. f4 e4 38. h3 Ne6 39. g4 Bc5 40. Rc3 Bd4 41. Rg3 Nxf4 42. gxf5 Bxb2 43. Bb3 Bd4 44. Bxd5 Nxd5 45. Rg8 Ne3+ 46. Ke2 Nxf5 47. Ra8 Bc3 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.21"] [Round "5.1"] [White "Borner, D"] [Black "Wirz, H"] [Result "0-1"] [WhiteTitle "FM"] [WhiteElo "2087"] [BlackElo "2110"] [ECO "C00"] [Opening "French"] [Variation "Chigorin variation"] [EventDate "2023.07.17"] [WhiteFideId "1301659"] [BlackFideId "1308548"] 1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. c3 Nf6 5. Bg2 d5 6. e5 Nd7 7. f4 c4 8. Nf3 Nc5 9. O-O Nd3 10. b3 Qb6+ 11. Kh1 Nxc1 12. Rxc1 cxb3 13. axb3 Qxb3 14. d4 Qb6 15. Nbd2 Be7 16. Nf1 O-O 17. Ne3 Rd8 18. g4 a5 19. f5 Qa6 20. Qc2 Bd7 21. f6 gxf6 22. exf6 Bxf6 23. g5 Bg7 24. Ng4 Kh8 25. Bf1 b5 26. Bd3 e5 27. Ngxe5 Nxe5 28. Nxe5 Bxe5 29. dxe5 Rg8 30. h4 Qe6 31. Qh2 Bc6 32. Kg1 Rge8 33. Re1 Qg4+ 34. Kf2 d4 35. Rg1 Qf3+ 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.21"] [Round "5.2"] [White "Huss, Benjamin"] [Black "Wirthensohn, H"] [Result "0-1"] [BlackTitle "IM"] [WhiteElo "2065"] [BlackElo "2273"] [ECO "B30"] [Opening "Sicilian defence"] [EventDate "2023.07.17"] [WhiteFideId "1316982"] [BlackFideId "1300059"] 1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. Nc3 Nge7 7. O-O O-O 8. Be3 d6 9. Nh4 Be6 10. a4 Qd7 11. Qd2 Nd4 12. a5 Rac8 13. f4 exf4 14. gxf4 f5 15. Nf3 Nxf3+ 16. Bxf3 d5 17. exd5 Nxd5 18. Nxd5 Bxd5 19. Bxd5+ Qxd5 20. c3 Rfe8 21. Rae1 Re6 22. Bf2 Rce8 23. Rxe6 Rxe6 24. Re1 Rxe1+ 25. Qxe1 Kf7 26. Qe3 b6 27. axb6 axb6 28. Bg3 Bf6 29. Kf2 h6 30. Qf3 Qxf3+ 31. Kxf3 Ke6 32. Bf2 Kd6 33. h3 b5 34. b4 cxb4 35. cxb4 Kd5 36. Bc5 Bc3 37. Ke3 Bb2 38. Kf3 Bc1 39. Bb6 Bd2 40. Bc5 Bc1 41. Bb6 Ba3 42. Bc5 Bb2 43. Ke3 g5 44. fxg5 hxg5 45. Kf3 Bf6 46. Ke3 Be5 47. Ke2 g4 48. hxg4 fxg4 49. Ke3 Bd6 50. d4 Bh2 51. Kf2 Ke4 52. Kg2 Bf4 53. Bb6 Be3 54. Kg3 Bxd4 55. Bd8 Kf5 56. Be7 Be5+ 57. Kg2 Ke4 58. Kf2 Kd5 59. Bd8 Bd6 60. Bg5 Kc4 61. Bd2 Bxb4 62. Bf4 Bc5+ 63. Kg3 b4 64. Kxg4 b3 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.21"] [Round "5.3"] [White "Huss, A"] [Black "Hugentobler, P"] [Result "1-0"] [WhiteTitle "IM"] [BlackTitle "FM"] [WhiteElo "2211"] [BlackElo "2152"] [ECO "D56"] [Opening "QGD"] [Variation "Lasker defence"] [EventDate "2023.07.17"] [WhiteFideId "1300180"] [BlackFideId "1301497"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. Rc1 c6 10. Bd3 Nxc3 11. Rxc3 Nd7 12. Qc2 dxc4 13. Rxc4 e5 14. O-O exd4 15. Rxd4 Nf6 16. h3 Be6 17. Rc1 Rfd8 18. a3 Rxd4 19. Nxd4 Bd5 20. Nf5 Qe5 21. Qc3 Qxc3 22. Rxc3 Rd8 23. Ne7+ Kf8 24. Nxd5 Nxd5 25. Rb3 b6 26. Be4 Ke7 27. Rd3 Ke6 28. Bf3 Rd6 29. Kf1 c5 30. Ke2 f5 31. g4 g6 32. gxf5+ gxf5 33. Bg2 b5 34. h4 f4 35. Kf3 fxe3 36. fxe3 Ke5 37. Ke2 a5 38. Kd2 c4 39. Rd4 c3+ 40. bxc3 Nb6 41. Bf1 b4 42. cxb4 axb4 43. Rxd6 Kxd6 44. axb4 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.21"] [Round "5.4"] [White "Filipovic, Br"] [Black "Kuhn, Th"] [Result "0-1"] [WhiteTitle "IM"] [WhiteElo "2318"] [BlackElo "2070"] [ECO "B06"] [Opening "Robatsch defence"] [EventDate "2023.07.17"] [WhiteFideId "14507951"] [BlackFideId "1304135"] 1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 Nh6 6. Be3 f6 7. Qd2 Ng4 8. Nf3 Nxe3 9. Qxe3 O-O 10. O-O-O Bh6 11. g3 Bg4 12. Be2 Nd7 13. e6 Nb6 14. Nd2 Bxe2 15. Qxe2 f5 16. h4 Rf6 17. Nf3 Nc4 18. h5 Bg7 19. hxg6 h6 20. Ne5 Rxe6 21. Qd3 Nd6 22. g4 fxg4 23. f5 Rxe5 24. dxe5 Nc4 25. Qg3 Bxe5 26. Qxg4 Qb6 27. b3 Qe3+ 28. Kb1 Qxc3 0-1

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.22"] [Round "6.1"] [White "Wirz, H"] [Black "Kuhn, Th"] [Result "1/2-1/2"] [WhiteElo "2110"] [BlackElo "2070"] [ECO "A42"] [Opening "Modern defence"] [Variation "Averbakh system"] [EventDate "2023.07.17"] [WhiteFideId "1308548"] [BlackFideId "1304135"] 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Be3 exd4 6. Bxd4 Nf6 7. Be2 Nc6 8. Be3 O-O 9. Nf3 Re8 10. Qc2 Qe7 11. Nd2 Nb4 12. Qb1 c6 13. O-O Ng4 14. Bxg4 Bxg4 15. Rc1 d5 16. cxd5 cxd5 17. Nb5 Be2 18. Rc7 Qd8 19. Rxb7 Be5 20. Nf1 Bxf1 21. Qxf1 dxe4 22. Qc4 Qd5 23. Qxd5 Nxd5 24. Bxa7 Rec8 25. g3 Bxb2 26. Rd1 Rc1 27. Rxc1 Bxc1 28. Nd6 e3 29. Bxe3 Nxe3 30. fxe3 Bxe3+ 31. Kh1 Rxa2 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.22"] [Round "6.2"] [White "Hugentobler, P"] [Black "Filipovic, Br"] [Result "1/2-1/2"] [WhiteTitle "FM"] [BlackTitle "IM"] [WhiteElo "2152"] [BlackElo "2318"] [ECO "C69"] [Opening "Ruy Lopez"] [Variation "exchange variation, 5.O-O"] [EventDate "2023.07.17"] [WhiteFideId "1301497"] [BlackFideId "14507951"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 Bh5 7. g4 Bg6 8. Nxe5 Qh4 9. Qf3 f6 10. Nxg6 hxg6 11. d3 g5 12. Kg2 Ne7 13. Rh1 O-O-O 14. Nd2 Kb8 15. Qe2 Ng6 16. Nf3 Qh7 17. b4 Qg8 18. d4 Qe6 19. a4 Re8 20. b5 Qxe4 21. Qxe4 Rxe4 22. bxc6 bxc6 23. Bd2 Bd6 24. Rae1 Rxe1 25. Rxe1 Kc8 26. Be3 Nf8 27. Rh1 Ng6 28. Rb1 Re8 29. c4 Nf8 30. h4 gxh4 31. Nxh4 Ne6 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.22"] [Round "6.3"] [White "Wirthensohn, H"] [Black "Huss, A"] [Result "1-0"] [WhiteTitle "IM"] [BlackTitle "IM"] [WhiteElo "2273"] [BlackElo "2211"] [ECO "A15"] [Opening "English opening"] [EventDate "2023.07.17"] [WhiteFideId "1300059"] [BlackFideId "1300180"] 1. Nf3 Nf6 2. c4 e6 3. b3 d5 4. Bb2 Bd6 5. g3 Nbd7 6. Bg2 c6 7. d4 O-O 8. O-O Ne4 9. Nbd2 f5 10. Ne1 Qg5 11. Ndf3 Qh5 12. Nd3 g5 13. e3 Rf6 14. Nfe5 Qxd1 15. Rfxd1 Rf8 16. f3 Nef6 17. a4 Ne8 18. Ba3 Nxe5 19. Nxe5 a5 20. Bf1 Bxa3 21. Rxa3 Nd6 22. Ra2 Nf7 23. Nd3 b6 24. Rc2 Bd7 25. Bg2 Rfc8 26. e4 Nd6 27. c5 fxe4 28. Ne5 exf3 29. cxd6 fxg2 30. Nxd7 Rd8 31. Nxb6 Ra6 32. Rxc6 Rb8 33. d7 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.22"] [Round "6.4"] [White "Borner, D"] [Black "Huss, Benjamin"] [Result "1/2-1/2"] [WhiteTitle "FM"] [WhiteElo "2087"] [BlackElo "2065"] [ECO "B27"] [Opening "Sicilian"] [Variation "Hungarian variation"] [EventDate "2023.07.17"] [WhiteFideId "1301659"] [BlackFideId "1316982"] 1. e4 c5 2. Nf3 g6 3. Bc4 Nc6 4. c3 Bg7 5. d4 cxd4 6. cxd4 d6 7. h3 Nf6 8. Nc3 O-O 9. Bb3 a6 10. O-O Nd7 11. Be3 Na5 12. Bc2 Nc4 13. Bc1 b5 14. b3 Ncb6 15. Be3 b4 16. Ne2 Bb7 17. Qd2 d5 18. e5 a5 19. Rfe1 Nc8 20. Rac1 Qb6 21. Bh6 f6 22. exf6 Rxf6 23. Bg5 Rf7 24. Nf4 Nf8 25. Ne5 Bxe5 26. Rxe5 Nd6 27. Nxd5 Bxd5 28. Rxd5 Ne6 29. Be3 Raf8 30. Re5 Nf4 31. d5 Qb7 32. Kh2 Nb5 33. Re1 Nc3 34. Bxf4 Rxf4 35. f3 R4f7 36. Bd3 Qc7 37. Bc4 Qd6 38. Kh1 Kg7 39. Qd4 Qf6 40. Qc5 Qd6 41. Qxa5 Rc8 42. Qa7 Rc7 43. Qd4 Qf6 44. Qe3 Nxa2 45. Re6 Qc3 46. Qe4 Ra7 47. Rc6 Rf6 48. Rc8 Rd6 49. Re8 Qf6 50. Rxe7+ Rxe7 51. Qxe7+ Qxe7 52. Rxe7+ Kf6 53. Re6+ Rxe6 54. dxe6 Nc3 55. Kg1 Nd1 56. Be2 Nc3 57. Kf2 Kxe6 58. Bc4+ Ke5 59. g3 g5 60. Ke3 Nd1+ 61. Ke2 Nc3+ 62. Kd3 h5 63. Ke3 Nd1+ 64. Ke2 Nc3+ 65. Ke3 Nd1+ 66. Ke2 Nc3+ 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.23"] [Round "7.1"] [White "Huss, Benjamin"] [Black "Wirz, H"] [Result "1-0"] [WhiteElo "2065"] [BlackElo "2110"] [ECO "C00"] [Opening "French"] [Variation "King's Indian attack"] [EventDate "2023.07.17"] [WhiteFideId "1316982"] [BlackFideId "1308548"] 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 b6 7. O-O Bb7 8. Re1 Be7 9. exd5 exd5 10. c3 O-O 11. Nf1 Qd7 12. h3 Rfe8 13. Bg5 h6 14. Bxf6 Bxf6 15. Qd2 b5 16. d4 cxd4 17. cxd4 Re4 18. Ne3 Nxd4 19. Ng4 Nxf3+ 20. Bxf3 Bg5 21. Qd3 Ree8 22. h4 Be7 23. Ne5 Qd6 24. Qxb5 Rab8 25. Qa4 Ba8 26. Nd3 a6 27. Qf4 Qxf4 28. Nxf4 d4 29. Bxa8 Rxa8 30. Nd3 Kf8 31. Kf1 Rec8 32. Rac1 Bf6 33. Rxc8+ Rxc8 34. Rc1 Rxc1+ 35. Nxc1 Ke7 36. Ke2 Kd6 37. Kd3 Kd5 38. b4 Be7 39. a3 g5 40. hxg5 hxg5 41. Nb3 Bf6 42. f3 Be5 43. g4 Bg7 44. Nc1 Bf6 45. Ne2 Be5 46. Nc1 Bf4 47. Nb3 Be5 48. a4 Bd6 49. b5 axb5 50. axb5 Be5 51. b6 Kc6 52. Nxd4+ Kxb6 53. Ke4 Bf4 54. Nf5 Kc5 55. Nh6 f6 56. Ng8 f5+ 57. gxf5 Kd6 58. Nh6 Ke7 59. Ng4 Kd6 60. Nf2 Ke7 61. Ng4 Kd6 62. Nf2 Bg3 63. Nd3 Bh2 64. Nb2 Ke7 65. Nc4 Kf6 66. Ne3 Kf7 67. Ng4 Bf4 68. Kd3 Ke7 69. Ke2 Kd6 70. Kf2 Ke7 71. Kg2 Kf7 72. Kh3 Kg7 73. Nf2 Kh6 74. Kg4 Be3 75. Ne4 Bf4 76. Nc3 Bc1 77. Nd5 Bd2 78. Ne7 Bc1 79. f6 Ba3 80. Kf5 Kh5 81. Ng6 Kh6 82. Ne5 Bc1 83. Nd7 Ba3 84. Ne5 Kh5 85. Ng4 Kh4 86. Ne5 Kh5 87. f7 Kh6 88. Kf6 Bb4 89. Nd7 Kh5 90. Kf5 Kh4 91. f8=Q Bxf8 92. Nxf8 Kg3 93. Ke4 g4 94. f4 Kh2 95. Ng6 g3 96. Ne5 g2 97. Nf3+ Kg3 98. f5 Kg4 99. f6 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.23"] [Round "7.2"] [White "Huss, A"] [Black "Borner, D"] [Result "1-0"] [WhiteTitle "IM"] [BlackTitle "FM"] [WhiteElo "2211"] [BlackElo "2087"] [ECO "E92"] [Opening "King's Indian"] [Variation "Petrosian system, Stein variation"] [EventDate "2023.07.17"] [WhiteFideId "1300180"] [BlackFideId "1301659"] 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 h5 11. Bg5 Qe8 12. O-O Nh7 13. Be3 Qe7 14. a3 Bd7 15. Rb1 f5 16. exf5 gxf5 17. f4 h4 18. h3 Rae8 19. Bh5 Rd8 20. Nf3 Kh8 21. Bg6 Bf6 22. Qc2 Qg7 23. fxe5 dxe5 24. Bxf5 e4 25. Bxe4 Rde8 26. Rbe1 Rg8 27. Bxh7 Qxh7 28. Qxh7+ Kxh7 29. Kh1 Kg6 30. Bf2 Kh5 31. Rxe8 Rxe8 32. Re1 Rxe1+ 33. Nxe1 Bf5 34. Kg1 Nb8 35. Kf1 Nd7 36. Ke2 Ne5 37. Bd4 Kg6 38. b3 Kf7 39. a4 Ke7 40. Nb5 Kd7 41. Nf3 Bd3+ 42. Ke3 1-0

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.23"] [Round "7.3"] [White "Filipovic, Br"] [Black "Wirthensohn, H"] [Result "1/2-1/2"] [WhiteTitle "IM"] [BlackTitle "IM"] [WhiteElo "2318"] [BlackElo "2273"] [ECO "B30"] [Opening "Sicilian defence"] [EventDate "2023.07.17"] [WhiteFideId "14507951"] [BlackFideId "1300059"] 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be3 Ng4 7. Nbd2 e6 8. Bd3 cxd4 9. cxd4 Be7 10. O-O 1/2-1/2

[Event "122nd ch-SUI Senior 2023"] [Site "Leukerbad SUI"] [Date "2023.07.23"] [Round "7.4"] [White "Kuhn, Th"] [Black "Hugentobler, P"] [Result "0-1"] [BlackTitle "FM"] [WhiteElo "2070"] [BlackElo "2152"] [ECO "A13"] [Opening "English"] [Variation "Neo-Catalan accepted"] [EventDate "2023.07.17"] [WhiteFideId "1304135"] [BlackFideId "1301497"] 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 dxc4 5. Qa4+ Bd7 6. Qxc4 c5 7. O-O Bc6 8. Nc3 Nbd7 9. e4 b5 10. Nxb5 Bxe4 11. d4 a6 12. Nc3 Bb7 13. Bf4 Rc8 14. Qa4 Qb6 15. Ne5 Bxg2 16. Kxg2 cxd4 17. Rad1 Qb7+ 18. Kh3 dxc3 19. Rxd7 Nxd7 20. Rd1 Qb5 0-1