[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "2"]
[White "Cristal, Ariel"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "C08"]
[BlackElo "2345"]
[PlyCount "33"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Be7 7. dxc5 Qa5 8. Bxd7+ Nxd7 9. Ngf3 Nxc5 10. 0-0 0-0-0 11. b4 Qxb4 12. Rb1 Qa4 13. Ne5 Qe8 14. Ba3 Nf6 15. Bxc5 Bxc5 16. Qb5 Bb6 17. Qb3 0-1

[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "3"]
[White "Porat, Yosef"]
[Black "Ascoli, G."]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2345"]
[PlyCount "40"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. c4 d5 6. cxd5 Nxd5 7. Bxg7 Kxg7 8. Qc2 b6 9. Qb2+ Kg8 10. d4 Bb7 11. Be2 Nd7 12. 0-0 c5 13. dxc5 Nxc5 14. Rd1 e6 15. Nc3 Qf6 16. Rd4 Nxc3 17. Qxc3 Rad8 18. Rad1 Rxd4 19. Qxd4 Qxd4 20. Rxd4 Rc8 1/2-1/2

[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "7"]
[White "Porat, Yosef"]
[Black "Bar Shalom, Oshra"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2345"]
[PlyCount "69"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nbd7 7. 0-0 e5 8. e4 Re8 9. d5 Nc5 10. Qc2 a5 11. h3 Bd7 12. Be3 Nh5 13. Kh2 f5 14. Nd2 Na6 15. exf5 gxf5 16. Qd1 Nf6 17. f4 exf4 18. Bxf4 Nc5 19. Bg5 h6 20. Bh4 Re3 21. Rf3 Qe8 22. Qg1 Rxf3 23. Bxf3 Nfe4 24. Ncxe4 Nxe4 25. Re1 Nxd2 26. Rxe8+ Rxe8 27. Bh5 Re4 28. Qa7 Nf1+ 29. Kg2 Ne3+ 30. Kf3 Nxc4 31. Qb8+ Kh7 32. Qxc7 Bb5 33. Bf6 Ne5+ 34. Kf2 Nd7 35. Bxg7 1-0

[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "5"]
[White "Porat, Yosef"]
[Black "Eilam, Oren"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2345"]
[PlyCount "36"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. b3 Bg7 6. Bb2 0-0 7. Nf3 Ne4 8. 0-0 Be6 9. cxd5 cxd5 10. Nbd2 Nxd2 11. Qxd2 Nc6 12. Rac1 Rc8 13. Ne5 Qd6 14. Nxc6 Rxc6 15. Rxc6 bxc6 16. Qa5 Qb8 17. Rc1 Rc8 18. e3 Qb6 1/2-1/2

[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "9"]
[White "Porat, Yosef"]
[Black "Gepstein, G."]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2345"]
[BlackElo "2035"]
[PlyCount "57"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3 Bb7 10. 0-0 c5 11. dxc5 Nxc5 12. Bb1 Ne6 13. Bh4 Rc8 14. Qe2 Re8 15. Rfd1 Rc5 16. Nd4 Qc8 17. Nf5 Qc7 18. Bg3 Qc6 19. f3 Bf8 20. Be5 Nd7 21. Nd4 Qc8 22. Nxe6 Rxe6 23. Bd4 Rc7 24. Bf5 Rh6 25. Qd2 Qd8 26. Nb5 Rxc1 27. Rxc1 Nc5 28. Nc3 Qg5 29. Bc2 1/2-1/2

[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "1"]
[White "Porat, Yosef"]
[Black "Gluzman, Arnold"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2345"]
[PlyCount "34"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 c5 5. c4 0-0 6. d4 cxd4 7. exd4 d5 8. c5 Nc6 9. a3 e5 10. Nxe5 Nxe5 11. dxe5 Ng4 12. f4 f6 13. e6 Bxe6 14. Qd2 Re8 15. Be2 Ne3 16. Kf2 d4 17. Rc1 Bxb3 0-1

[Event "Maccabiah op"]
[Site "Netanya"]
[Date "1993.??.??"]
[Round "4"]
[White "Resnik, Isaac"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "D05"]
[BlackElo "2345"]
[PlyCount "45"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISR"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. Bd3 Bb7 4. Nf3 e6 5. 0-0 Be7 6. Nbd2 d5 7. b3 0-0 8. Bb2 Nbd7 9. c4 Ne4 10. Rc1 f5 11. Qe2 c5 12. Ne5 Nxe5 13. dxe5 Nxd2 14. Qxd2 dxc4 15. bxc4 Qd7 16. Rfd1 Rad8 17. Qc2 Qc6 18. Bf1 Rxd1 19. Rxd1 Rd8 20. f3 a6 21. Kf2 Rxd1 22. Qxd1 b5 23. a3 1/2-1/2

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.12"]
[Round "11"]
[White "Porat, Yosef"]
[Black "Cafferty, Bernard"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2335"]
[BlackElo "2310"]
[PlyCount "39"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 b6 7. f3 c5 8. dxc5 bxc5 9. Bg5 Nc6 10. e3 Rb8 11. Nh3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. 0-0-0 Rd8 15. Nf2 f5 16. g4 fxg4 17. Rg1 h5 18. h3 Kf8 19. hxg4 hxg4 20. Nxg4 1/2-1/2

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.11"]
[Round "10"]
[White "Stean, Michael F"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "C12"]
[BlackElo "2335"]
[PlyCount "28"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3 Ne4 7. Qg4 Kf8 8. Nge2 c5 9. a3 Bxc3+ 10. bxc3 Qa5 11. f3 cxd4 12. Bxd4 Nc6 13. fxe4 Nxd4 14. exd5 Nxc2+ 0-1

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.10"]
[Round "9"]
[White "Porat, Yosef"]
[Black "Wolf, Dan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2335"]
[PlyCount "105"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nc3 a6 4. Nf3 b5 5. e5 d5 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. h4 h5 10. Bg5 Qd7 11. Ne2 Ne7 12. c3 c5 13. Bf6 Bxf6 14. Qxf6 Rf8 15. 0-0 c4 16. Bc2 Nbc6 17. b4 Nc8 18. a4 Ra7 19. Ra2 Qe7 20. Qxe7+ Kxe7 21. Rfa1 Kd7 22. f3 Kc7 23. Kf2 Kb7 24. g4 f6 25. exf6 hxg4 26. fxg4 Rxf6+ 27. Kg3 e5 28. g5 Rd6 29. dxe5 Nxe5 30. axb5 axb5 31. Nd4 Rxa2 32. Rxa2 Nc6 33. Nxb5 Re6 34. Kf4 Kb6 35. Nd4 Nxd4 36. cxd4 Na7 37. Bxg6 Rxg6 38. h5 Rg8 39. h6 Nc6 40. h7 Rf8+ 41. Kg4 Nxd4 42. g6 Ne6 43. Rf2 Rxf2 44. h8Q Rf4+ 45. Kg3 Rf5 46. Qe8 Rf6 47. Kh2 d4 48. Qb8+ Kc6 49. Qe5 Rxg6 50. Qe4+ Kb5 51. Qxg6 Kxb4 52. Qxe6 c3 53. Qd5 1-0

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.09"]
[Round "8"]
[White "Bleiman, Yaacov"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2440"]
[BlackElo "2335"]
[PlyCount "75"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 dxc4 7. Qc2 a6 8. a4 c5 9. Na3 b5 10. Ng5 Ra7 11. Bf4 Bb7 12. axb5 Bxg2 13. Kxg2 cxd4 14. Qxc4 Bxa3 15. Rxa3 axb5 16. Qxb5 Rxa3 17. bxa3 Qd5+ 18. Qxd5 Nxd5 19. Nf3 Nxf4+ 20. gxf4 Rd8 21. Rc1 f6 22. Rc7 d3 23. exd3 Nd7 24. a4 Nb6 25. a5 Nd5 26. Rc4 Ra8 27. Ra4 Nc3 28. Ra3 Ne2 29. f5 exf5 30. a6 Kf7 31. Kf1 Nf4 32. Nd4 g6 33. Nb5 Ke7 34. a7 Kd7 35. Rc3 Ne6 36. Rc4 h5 37. d4 Nxd4 38. Rc7+ 1-0

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.08"]
[Round "7"]
[White "Porat, Yosef"]
[Black "Domnitz, Zadok"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2335"]
[BlackElo "2330"]
[PlyCount "54"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 a6 8. h3 Na5 9. b3 c5 10. Bb2 Rb8 11. dxc5 dxc5 12. Na4 Qxd1 13. Rfxd1 Nd7 14. Bxg7 Kxg7 15. Rac1 b6 16. Rd2 Nb7 17. Nc3 Nf6 18. e4 Na5 19. e5 Ng8 20. Ng5 Nh6 21. f4 Nf5 22. Kf2 h6 23. Nf3 Nc6 24. g4 Nfd4 25. Nxd4 Nxd4 26. Ne2 Nxe2 27. Kxe2 f6 1/2-1/2

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.07"]
[Round "6"]
[White "Radashkovich, Itchak"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2445"]
[BlackElo "2335"]
[PlyCount "63"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. Nf3 cxd4 6. cxd5 Bb4+ 7. Bd2 Nxd5 8. Nxd4 Qb6 9. Nb3 0-0 10. 0-0 Rd8 11. e4 Bxd2 12. N1xd2 Nb4 13. Qe2 e5 14. Nc4 Qc7 15. Rfd1 N8c6 16. a3 Na6 17. Ne3 Qb6 18. Rxd8+ Nxd8 19. Qd3 Be6 20. Nd5 Bxd5 21. exd5 Rc8 22. Qf5 Rc4 23. Qxe5 g6 24. Nc1 Rc2 25. Nd3 Nc5 26. Nxc5 Qxc5 27. Rf1 b6 28. b4 Qf8 29. Rd1 Qg7 30. Qe8+ Qf8 31. Qd7 a5 32. Re1 1-0

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.05"]
[Round "5"]
[White "Porat, Yosef"]
[Black "Bernstein, Yaacov"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2335"]
[PlyCount "16"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bg4 3. Bb2 Nc6 4. d4 Bxf3 5. exf3 e6 6. f4 Bb4+ 7. Nd2 Bxd2+ 8. Qxd2 Qf6 1/2-1/2

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.04"]
[Round "4"]
[White "Stepak, Yedael"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2280"]
[BlackElo "2335"]
[PlyCount "124"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Be7 5. g3 0-0 6. Bg2 c5 7. 0-0 Nc6 8. Re1 b6 9. Qe2 Qc7 10. e5 Nd7 11. Nf1 Bb7 12. h4 Nd4 13. Nxd4 cxd4 14. Bf4 Rfc8 15. Rec1 b5 16. Nh2 a5 17. Ng4 Qd8 18. Bh3 Ra6 19. Qf3 Rac6 20. Re1 Rxc2 21. Rab1 b4 22. Bh6 Qf8 23. Bg5 R8c6 24. Qf4 Qd8 25. Bxe7 Qxe7 26. Qxd4 Rc7 27. Ne3 R2c6 28. Bg2 Rc8 29. Qf4 h6 30. d4 Nb6 31. Bf1 Na8 32. Ng4 Ba6 33. Bxa6 Rxa6 34. Re3 Rac6 35. Rf3 Nb6 36. Nxh6+ gxh6 37. Qxh6 Qf8 38. Qh5 Qg7 39. Rf4 Qh7 40. Qxh7+ Kxh7 41. Rxf7+ Kg8 42. Rf4 Rf8 43. Rxf8+ Kxf8 44. b3 Rc2 45. Ra1 Nc4 46. bxc4 dxc4 47. d5 c3 48. d6 Rb2 49. Kg2 c2 50. Rc1 Rxa2 51. h5 b3 52. d7 Ke7 53. h6 b2 54. h7 bxc1Q 55. d8Q+ Kxd8 56. h8Q+ Kc7 57. Qg7+ Kb6 58. Qf6 Kb5 59. Qf8 Qd2 60. Qe8+ Kb4 61. Qe7+ Ka4 62. Qe8+ Ka3 0-1

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.03"]
[Round "3"]
[White "Porat, Yosef"]
[Black "Levy, David Neil Lawrence"]
[Result "1/2-1/2"]
[ECO "A96"]
[WhiteElo "2335"]
[BlackElo "2320"]
[PlyCount "100"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. b3 e6 3. Bb2 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d6 7. d4 a5 8. c4 c6 9. Nc3 Na6 10. Qc2 Qc7 11. e4 e5 12. exf5 Nb4 13. Qe2 Bxf5 14. Rad1 e4 15. Nh4 Bg4 16. f3 exf3 17. Bxf3 Bh3 18. Bg2 Bg4 19. Bf3 Qd7 20. a3 Na6 21. Rde1 Rae8 22. Bxg4 Nxg4 23. Rxf8+ Kxf8 24. Nf5 Bf6 25. Qxe8+ Qxe8 26. Rxe8+ Kxe8 27. h3 Nh6 28. Nxd6+ Kd7 29. Nce4 b6 30. Nxf6+ gxf6 31. Ne4 Ng8 32. Kf2 Ke6 33. Bc3 h6 34. Bd2 f5 35. Nc3 h5 36. Kf3 Ne7 37. Bg5 Nc8 38. Ne2 b5 39. Nf4+ Kf7 40. cxb5 cxb5 41. Bd8 a4 42. bxa4 bxa4 43. Nxh5 Nd6 44. Nf4 Nb5 45. Ne2 Nxa3 46. Kf4 Nb5 47. Kxf5 a3 48. Nc1 Nxd4+ 49. Kg4 Nb4 50. Ba5 a2 1/2-1/2

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.02"]
[Round "2"]
[White "Ungureanu, Emil"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2350"]
[BlackElo "2335"]
[PlyCount "123"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 b6 4. e4 Bb7 5. Bd3 Nc6 6. 0-0 g6 7. Re1 Bg7 8. Bf1 0-0 9. h3 d6 10. d3 Nd7 11. Bg5 h6 12. Be3 Nde5 13. Nh2 f5 14. f4 Nf7 15. exf5 gxf5 16. Qh5 Nd4 17. Bxd4 cxd4 18. Ne2 Nh8 19. Ng3 Qe8 20. Be2 Qg6 21. Qxg6 Nxg6 22. Nh5 Bh8 23. Bf3 Bxf3 24. Nxf3 e5 25. Re2 Rae8 26. Rae1 Kf7 27. g3 Re7 28. g4 fxg4 29. hxg4 exf4 30. Rxe7+ Nxe7 31. Re4 d5 32. Rxf4+ Ke8 33. Rxf8+ Kxf8 34. Nf4 dxc4 35. dxc4 Ke8 36. Kf2 Kd7 37. Ke2 Nc6 38. Nd3 Bf6 39. b4 Kd6 40. Nd2 Bg5 41. Nf3 Be3 42. Nh4 Ne7 43. Kf3 Bg5 44. Ng2 Ng8 45. Ke4 Nf6+ 46. Kf5 Nd7 47. Nge1 a5 48. a3 axb4 49. axb4 b5 50. cxb5 Kd5 51. Nf3 Kc4 52. Nde5+ Nxe5 53. Kxe5 d3 54. b6 Bd8 55. b7 Bc7+ 56. Ke4 Kxb4 57. Kxd3 Kc5 58. Nd4 Kb6 59. Ne6 Bg3 60. Nd8 Kc7 61. Nf7 Kxb7 62. Ke4 1/2-1/2

[Event "Nathanya-13"]
[Site "Nathanya"]
[Date "1976.06.01"]
[Round "1"]
[White "Kaldor, Avraham"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2395"]
[BlackElo "2335"]
[PlyCount "81"]
[EventDate "1976.02.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "4"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Bg4 3. Nf3 Nd7 4. e3 Ngf6 5. Be2 e6 6. 0-0 Bd6 7. c4 c6 8. Nc3 0-0 9. h3 Bh5 10. cxd5 cxd5 11. Nd4 Bxe2 12. Qxe2 a6 13. f4 Ne4 14. Nd1 Qe7 15. d3 Nec5 16. e4 f5 17. e5 Bb8 18. Nc3 Ba7 19. Kh1 Rac8 20. Nf3 b5 21. Ba3 Rb8 22. Bb2 Rfc8 23. Qd2 Rb7 24. Ne2 Nb8 25. Ned4 Nc6 26. Nxc6 Rxc6 27. Rac1 Rcc7 28. Rc2 Nd7 29. Rfc1 Bb6 30. Bd4 h6 31. Bxb6 Nxb6 32. Nd4 Kf7 33. Qa5 g5 34. Rxc7 Rxc7 35. Nc6 Nc8 36. Nd8+ Qxd8 37. Qxc7+ Qxc7 38. Rxc7+ Ne7 39. fxg5 hxg5 40. Ra7 f4 41. Rxa6 1-0

[Event "Israel"]
[Site "Israel"]
[Date "1976.??.??"]
[Round "?"]
[White "Romm, Meir"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2305"]
[BlackElo "2335"]
[PlyCount "120"]
[EventDate "1976.??.??"]
[EventType "game"]
[EventRounds "1"]
[EventCountry "ISR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. c4 Ngf6 13. c5 b6 14. b4 a5 15. cxb6 Qxb6 16. bxa5 Qa6 17. Qxa6 Rxa6 18. Ne5 Bd6 19. Nc4 Bxg3 20. fxg3 0-0 21. Ke2 c5 22. Rh4 Rc8 23. Rc1 cxd4 24. Rxd4 Rac6 25. Kd1 e5 26. Rh4 Nd5 27. Nd6 Rxc1+ 28. Bxc1 Rc6 29. Nb5 Rc5 30. a4 Rc6 31. Re4 f5 32. Re2 Ra6 33. Bd2 Kf7 34. Kc2 N5f6 35. Rf2 Rc6+ 36. Bc3 Nxh5 37. Rxf5+ Nhf6 38. Kb2 Ke6 39. Rf3 Nd5 40. Ka3 Nc5 41. Be1 Rc8 42. Bf2 Na6 43. Kb3 Rc1 44. Bb6 Rb1+ 45. Ka2 Rd1 46. Nc3 Rd2+ 47. Kb3 Rxg2 48. Ne4 Re2 49. Nc5+ Nxc5+ 50. Bxc5 e4 51. Rf8 Nc7 52. Bb6 Nd5 53. Bd4 Nc7 54. Bxg7 Re3+ 55. Bc3 Nd5 56. Rc8 Rxg3 57. a6 Nxc3 58. Rxc3 Rg8 59. Rh3 Kd5 60. Kb4 Kc6 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.10"]
[Round "11"]
[White "Gluzman, Carol"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "E06"]
[PlyCount "80"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 Nxd5 6. Bg2 Nc6 7. 0-0 Be7 8. dxc5 Bxc5 9. Qc2 Qe7 10. a3 Nf6 11. b4 Bb6 12. Bb2 a6 13. Nbd2 0-0 14. Nc4 Bc7 15. Ng5 e5 16. Ne3 Be6 17. Bxc6 bxc6 18. Nxe6 Qxe6 19. Rfc1 Bb6 20. Qxc6 Bxe3 21. fxe3 Rfe8 22. Qxe6 Rxe6 23. Rc5 Rae8 24. Rac1 h5 25. Rc8 Ne4 26. Rxe8+ Rxe8 27. Rc4 Nd2 28. Rc6 f6 29. Kf2 Rd8 30. Ke1 Ne4 31. Rc4 Nd6 32. Rc2 Kf7 33. e4 Nxe4 34. Bc1 Ke6 35. Be3 f5 36. Bb6 Rb8 37. Rc6+ Kd5 38. Rg6 Rc8 39. Bc5 Nxc5 40. bxc5 Rxc5 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.09"]
[Round "10"]
[White "Porat, Yosef"]
[Black "Ghitescu, Theodor"]
[Result "1/2-1/2"]
[ECO "E63"]
[PlyCount "27"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 a6 8. h3 e5 9. dxe5 dxe5 10. Bg5 Be6 11. Nd5 Bxd5 12. Bxf6 Qxf6 13. cxd5 Nd4 14. Rc1 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.08"]
[Round "9"]
[White "Porat, Yosef"]
[Black "Kushnir, Alla"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "55"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 b6 7. a3 Bxc3+ 8. Nxc3 Bb7 9. d5 0-0 10. Be2 d6 11. 0-0 exd5 12. cxd5 Nbd7 13. Bg5 a6 14. Bg4 h6 15. Bh4 Qc7 16. Bf5 g6 17. Rc1 Qc4 18. Bxf6 gxf5 19. Be7 Rfe8 20. Bxd6 Nf6 21. b3 Qg4 22. g3 Qg6 23. Bc7 Nd7 24. Ne2 Rac8 25. d6 Re5 26. Nf4 Qg5 27. Qd4 Rce8 28. Rc2 1-0

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.07"]
[Round "8"]
[White "Porat, Yosef"]
[Black "Kaldor, Avraham"]
[Result "0-1"]
[ECO "A06"]
[PlyCount "82"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. e3 Nc6 4. Bb5 f6 5. c4 d4 6. exd4 cxd4 7. Ba3 e5 8. Bxf8 Kxf8 9. d3 Nge7 10. Qe2 Qa5+ 11. Qd2 Nb4 12. 0-0 a6 13. Ba4 b5 14. a3 Nbc6 15. Qxa5 Nxa5 16. b4 Nxc4 17. Bb3 Nb2 18. Ne1 g5 19. Ra2 Na4 20. Rc2 Ra7 21. g3 Bh3 22. Ng2 Bf5 23. Rd1 Kg7 24. f4 Rc8 25. fxe5 fxe5 26. Rxc8 Nxc8 27. Rc1 Ne7 28. Bxa4 bxa4 29. Ne1 Ra8 30. Rc5 Kf6 31. Nd2 Rc8 32. Ra5 Rc6 33. Ne4+ Bxe4 34. dxe4 Nc8 35. Nd3 Nd6 36. Nxe5 Rc1+ 37. Kg2 Nxe4 38. Ng4+ Kg7 39. Kf3 Re1 40. Rxa6 h5 41. Ra7+ Kf8 0-1

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.06"]
[Round "7"]
[White "Balinas, Rosendo Carrean"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C69"]
[PlyCount "136"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bxf3 10. Rxf3 Nf6 11. Nd2 0-0-0 12. Kf1 Bc5 13. Rd3 Rxd3 14. cxd3 Rf8 15. f3 Nh5 16. Nb3 Bb6 17. Ke2 g5 18. g4 Nf4+ 19. Bxf4 gxf4 20. h4 Be3 21. a4 b6 22. Rb1 Rd8 23. Na1 a5 24. Nc2 Bc5 25. Rc1 Kd7 26. Na1 Be3 27. Rc2 c5 28. Nb3 Ke6 29. Nd2 Rb8 30. Nc4 Bd4 31. Kd1 Rd8 32. Rg2 Rg8 33. Kc2 h6 34. Kb3 Rb8 35. Na3 c6 36. Nc4 Rd8 37. Kc2 Rb8 38. Kb1 Rb7 39. Rh2 Bg1 40. Rg2 Bd4 41. Kc2 Rb8 42. Rh2 Kf6 43. Rg2 Ke6 44. g5 hxg5 45. hxg5 b5 46. axb5 cxb5 47. Nxa5 Kf7 48. Nc6 Re8 49. Nxd4 cxd4 50. Kb3 Kg6 51. Kb4 Rh8 52. Kc5 Rh3 53. Kd5 Rxf3 54. Kxe5 Rg3 55. Rf2 Kxg5 56. Kxd4 Kg4 57. Rf1 Re3 58. b4 Kg3 59. e5 Re2 60. Kd5 f3 61. e6 Kg2 62. Rd1 f2 63. Kd6 Kg3 64. Rf1 Rd2 65. Kc5 Rxd3 66. e7 Re3 67. Kxb5 Rxe7 68. Kc6 Kg2 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.05"]
[Round "6"]
[White "Porat, Yosef"]
[Black "Rooze, Jan"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "78"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 c5 3. Bb2 e6 4. c4 Be7 5. g3 0-0 6. Bg2 Nc6 7. 0-0 d6 8. d4 cxd4 9. Nxd4 Bd7 10. Nc3 a6 11. Rc1 Rc8 12. e3 Qa5 13. a3 Rfd8 14. b4 Qb6 15. c5 dxc5 16. Na4 Qa7 17. Nxc5 e5 18. Nxc6 Bxc6 19. Qb3 Bb5 20. Rfd1 b6 21. Ne4 Rxc1 22. Rxc1 Qb8 23. Nxf6+ Bxf6 24. Bd5 Qa7 25. e4 h5 26. h3 h4 27. Qe3 hxg3 28. fxg3 Rb8 29. Rc2 Qe7 30. Qb3 Qd7 31. Kh2 Ba4 32. Qd3 Bxc2 33. Qxc2 Rc8 34. Qe2 Qb5 35. Qd1 a5 36. h4 axb4 37. Qb3 Qe2+ 38. Kh3 Rc7 39. axb4 Qf1+ 0-1

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.03"]
[Round "5"]
[White "Gunsberger, Alexander"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C08"]
[PlyCount "77"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Be7 7. dxc5 Nf6 8. Nb3 0-0 9. Be3 Re8 10. 0-0-0 a6 11. Bxd7 Nbxd7 12. Qd2 Rc8 13. Qb4 b6 14. Nh3 bxc5 15. Qa5 Qxa5 16. Nxa5 c4 17. a3 Bc5 18. Bxc5 Nxc5 19. Rhe1 Ne6 20. f4 g6 21. g3 Rc5 22. b4 cxb3 23. Nxb3 Rc3 24. Kb2 Rec8 25. Re2 R3c4 26. Nf2 Rb8 27. Ka2 Kg7 28. Na5 Rc7 29. Nb3 a5 30. Nxa5 Ra8 31. Nb3 Rca7 32. Kb2 Rxa3 33. Ra1 Rxa1 34. Nxa1 Nd4 35. Re7 Re8 36. Rxe8 Nxe8 37. Kc3 Nf3 38. h3 Nd6 39. Kd3 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.02"]
[Round "4"]
[White "Porat, Yosef"]
[Black "Dunkelblum, Arthur"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "34"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Bb2 Qe7 9. Be2 dxc4 10. bxc4 e5 11. 0-0 Re8 12. Rad1 a6 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qh4 e4 16. Ne5 Bxe5 17. dxe5 Ng4 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.06.01"]
[Round "3"]
[White "Eslon, Jaan"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "80"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Bxf6 Nxf6 8. Bd3 c5 9. Nxc5 Bxc5 10. dxc5 Qa5+ 11. Qd2 Qxc5 12. 0-0 0-0 13. Rfe1 b6 14. Re5 Qc7 15. Rg5 g6 16. Re1 Bb7 17. Ne5 Rad8 18. Qc1 Rd5 19. Qe3 Rfd8 20. Rg3 Nh5 21. Rh3 Qc5 22. Qxc5 Rxc5 23. Rh4 f6 24. Nc4 e5 25. b4 Rc7 26. g3 Kg7 27. Nd2 Rcd7 28. f3 Rd4 29. Rxd4 Rxd4 30. a3 Kf8 31. Kf2 Ng7 32. Nb3 Rd7 33. a4 Ne6 34. a5 Nd4 35. Nxd4 Rxd4 36. axb6 axb6 37. Rb1 f5 38. Ke3 f4+ 39. Ke2 Ke7 40. Ra1 e4 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.05.31"]
[Round "2"]
[White "Porat, Yosef"]
[Black "Domnitz, Zadok"]
[Result "1/2-1/2"]
[ECO "E66"]
[PlyCount "89"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 a6 8. d5 Na5 9. Nd2 c5 10. Qc2 Rb8 11. b3 b5 12. Bb2 Bh6 13. f4 bxc4 14. bxc4 Ng4 15. Nd1 Rxb2 16. Qxb2 Bg7 17. Qc1 Bxa1 18. Qxa1 Qb6 19. h3 Qb4 20. Qc1 Nf6 21. a3 Qb6 22. Qc3 Nb7 23. Nf2 Qa5 24. Qxa5 Nxa5 25. e4 Nd7 26. Rb1 Bb7 27. h4 Re8 28. Nd3 e6 29. Bh3 Kf8 30. Kf2 Ke7 31. Nb3 Nxb3 32. Rxb3 Rb8 33. Ke3 exd5 34. exd5 f5 35. g4 Bc8 36. Rxb8 Nxb8 37. g5 Nd7 38. Nb2 Nb6 39. Bf1 a5 40. Bd3 Bd7 41. Bc2 Kf8 42. Kd2 Ke7 43. Kc3 Kf7 44. Bd1 Kg7 45. Nd3 1/2-1/2

[Event "Nathanya-12 Group B"]
[Site "Nathanya"]
[Date "1975.05.30"]
[Round "1"]
[White "Ein Dor, Uzi"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "E24"]
[PlyCount "53"]
[EventDate "1975.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 Nc6 6. Bg5 e5 7. Nf3 d6 8. e3 Qe7 9. Be2 0-0 10. 0-0 Re8 11. Re1 h6 12. Bxf6 Qxf6 13. Nd2 Bf5 14. Bf3 e4 15. Bg4 Bxg4 16. Qxg4 Qg5 17. Qxg5 hxg5 18. f3 exf3 19. gxf3 Na5 20. Kf2 f6 21. Rh1 c5 22. d5 Kf7 23. h4 gxh4 24. Rxh4 Rh8 25. Rah1 Rxh4 26. Rxh4 Re8 27. Ke2 1/2-1/2

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.13"]
[Round "15"]
[White "Kaldor, Avraham"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "C84"]
[PlyCount "123"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Nc3 b5 7. Bb3 d6 8. Nd5 Na5 9. Nxe7 Qxe7 10. d4 Bb7 11. Bg5 h6 12. Bxf6 Qxf6 13. Re1 0-0 14. c3 c5 15. Bd5 exd4 16. Bxb7 Nxb7 17. cxd4 Rad8 18. a4 d5 19. e5 Qb6 20. axb5 axb5 21. dxc5 Nxc5 22. Qd4 Rc8 23. b4 Na4 24. Qxb6 Nxb6 25. Ra5 Na4 26. Rxb5 Nc3 27. Rb7 Rb8 28. Rc7 Rfc8 29. Rxc8+ Rxc8 30. Kf1 Rb8 31. Rc1 Na2 32. Rb1 Rxb4 33. Rxb4 Nxb4 34. Nd4 Nd3 35. Nc6 g5 36. g3 Kg7 37. Ke2 Nc5 38. Ne7 f6 39. exf6+ Kxf6 40. Nxd5+ Ke5 41. Nb4 Kf5 42. f3 Ne6 43. Ke3 Nc7 44. Nc2 Nd5+ 45. Kd4 Ke6 46. Ne3 Nc7 47. Ke4 Ne8 48. f4 Nd6+ 49. Kf3 Kf6 50. Kg4 gxf4 51. gxf4 Kg6 52. f5+ Kf6 53. Kf4 Nf7 54. Nd5+ Kg7 55. h4 h5 56. Ke4 Nd6+ 57. Ke5 Nf7+ 58. Ke6 Nd8+ 59. Kd7 Nf7 60. Ke7 Nh6 61. f6+ Kg6 62. Ke6 1-0

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.11"]
[Round "14"]
[White "Porat, Yosef"]
[Black "Czerniak, Moshe"]
[Result "1/2-1/2"]
[ECO "A41"]
[PlyCount "80"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Bg4 5. h3 Bxf3 6. exf3 Nh6 7. g4 0-0 8. Be3 f5 9. Qd2 Nf7 10. gxf5 gxf5 11. Rg1 e6 12. 0-0-0 Kh8 13. Bd3 Nc6 14. d5 exd5 15. cxd5 Nce5 16. Rg3 Nxd3+ 17. Qxd3 Ne5 18. Qd2 Qh4 19. Rdg1 Rf7 20. f4 Ng6 21. Ne2 Re8 22. Nd4 c6 23. dxc6 bxc6 24. Nf3 Qd8 25. Ng5 Rb7 26. Bd4 c5 27. Bxg7+ Rxg7 28. Qd5 Qf6 29. Qd2 Rb8 30. Rb3 Rxb3 31. axb3 Nh4 32. Re1 Re7 33. Rxe7 Qxe7 34. Qxd6 Qe1+ 35. Kc2 Qxf2+ 36. Kc3 Qe1+ 37. Kc2 Qe2+ 38. Kc3 Qe1+ 39. Kc2 Qf2+ 40. Kc3 Qe1+ 1/2-1/2

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.10"]
[Round "13"]
[White "Domnitz, Zadok"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C99"]
[PlyCount "101"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 a4 16. Nbd2 Ba6 17. Rc1 Qb7 18. d5 Na5 19. b3 a3 20. Bd3 b4 21. Qe2 Bxd3 22. Qxd3 Rfc8 23. Nc4 Nxc4 24. bxc4 Nd7 25. Rb1 h6 26. h4 Nc5 27. Bxc5 Rxc5 28. g3 Rb8 29. Nd2 Qc8 30. Rec1 Qa6 31. Kg2 g6 32. Rb3 g5 33. Rcb1 gxh4 34. Rxb4 Rxb4 35. Rxb4 hxg3 36. fxg3 Bg5 37. Nf3 Kg7 38. Ne1 Qa5 39. Nc2 Qa6 40. Rb5 Rxb5 41. cxb5 Qa5 42. Kf3 Bc1 43. Ke2 Qb6 44. Kf3 Kg6 45. Qc4 Qa5 46. Qb4 Qb6 47. Kg2 f6 48. Qc4 Qa5 49. Qb4 Qb6 50. Qc4 Qa5 51. Nb4 1/2-1/2

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.09"]
[Round "12"]
[White "Porat, Yosef"]
[Black "Tatai, Stefano"]
[Result "1-0"]
[ECO "A32"]
[PlyCount "83"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Bd2 Nc6 7. a3 Be7 8. e3 0-0 9. Be2 d6 10. 0-0 Bd7 11. Rc1 Rc8 12. Nxc6 Bxc6 13. b4 b6 14. Qb3 Qd7 15. Rfd1 Qb7 16. f3 Rfd8 17. e4 Ne8 18. Be3 Bf6 19. Rd2 h6 20. Rcd1 Be5 21. Bf1 Qb8 22. Ne2 Bb7 23. Bd4 Bxd4+ 24. Rxd4 a6 25. Nc3 Qc7 26. Na4 Ra8 27. Qe3 Bc6 28. Nc3 Rdc8 29. R4d2 Ra7 30. Be2 Qb8 31. Kf2 Rac7 32. e5 dxe5 33. Qxe5 Nf6 34. g3 Be8 35. Qe3 a5 36. Ne4 Nxe4+ 37. fxe4 axb4 38. axb4 Bc6 39. Rd6 Qa8 40. Qxb6 Bxe4 41. Qxc7 Rxc7 42. Rd8+ 1-0

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.08"]
[Round "11"]
[White "Kraidman, Yair"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "A32"]
[PlyCount "95"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. e3 0-0 10. Bd2 e5 11. cxd5 Nxd5 12. Qb3 Nb6 13. Qc2 Be6 14. Ne4 Rc8 15. Nc5 Qe7 16. Nxe6 Qxe6 17. Bd3 Nd4 18. Bxh7+ Kh8 19. Qe4 Nc2+ 20. Qxc2 Rxc2 21. Bxc2 Qc6 22. 0-0-0 Rc8 23. Bc3 Na4 24. Bxa4 Qxa4 25. Rd2 f6 26. f3 Kh7 27. e4 b5 28. Rhd1 a5 29. Rd8 Rxd8 30. Rxd8 b4 31. axb4 axb4 32. Bd2 b3 33. Bc3 Qa1+ 34. Kd2 Qg1 35. Rb8 Qxg2+ 36. Ke3 Qg1+ 37. Ke2 Qxh2+ 38. Ke3 Qc2 39. Rd8 Qc1+ 40. Kf2 g5 41. Rd2 Qh1 42. Rd7+ Kg6 43. Rd8 Kf7 44. Rd7+ Ke6 45. Rg7 Qh6 46. Rb7 g4 47. Bb4 Qh2+ 48. Kf1 0-1

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.07"]
[Round "10"]
[White "Porat, Yosef"]
[Black "Kavalek, Lubomir"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "80"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nd7 5. g3 Ngf6 6. Bg2 0-0 7. 0-0 e5 8. e4 c6 9. h3 Qb6 10. dxe5 dxe5 11. Qe2 a5 12. Be3 Qb4 13. c5 a4 14. a3 Qa5 15. Nd2 b5 16. Na2 Rd8 17. Nb4 Qc7 18. Kh2 Nh5 19. Nf3 Re8 20. Rfd1 Bf8 21. Qc2 Ndf6 22. Nd2 Be6 23. b3 Nd7 24. Rdc1 axb3 25. Nxb3 Ra4 26. Nd2 Rea8 27. Qb2 Nb8 28. Nb1 R4a5 29. Nc3 Bc4 30. Bf1 Bxf1 31. Rxf1 Qa7 32. Rfc1 Nf6 33. Ncd5 cxd5 34. c6 Qc7 35. Nxd5 Nxd5 36. exd5 Bd6 37. Bc5 Na6 38. Bxd6 Qxd6 39. Qc3 Nc7 40. Qc5 Qxd5 0-1

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.06"]
[Round "9"]
[White "Romm, Meir"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "114"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Ng3 c5 8. Bd3 b6 9. Qe2 Bb7 10. Rd1 cxd4 11. Nxd4 0-0 12. 0-0 Nc5 13. Bb5 Qc7 14. b4 a6 15. Bc4 Nce4 16. Nxe4 Nxe4 17. Nxe6 fxe6 18. Bxe6+ Kh8 19. Rd7 Qxd7 20. Bxd7 Bxg5 21. f3 Nc3 22. Qe6 Rad8 23. a3 Bd5 24. Qg4 Bf6 25. Re1 b5 26. Bf5 Bg8 27. Bd3 Rfe8 28. Rxe8 Rxe8 29. Kf1 Re6 30. Bxh7 Nd5 31. Qh3 Nf4 32. Bxg8+ Nxh3 33. Bxe6 Nf4 34. Bc8 Nd5 35. Bxa6 Nc7 36. Bb7 Bb2 37. Ke2 Bxa3 38. c3 Bc1 39. Kd3 Bf4 40. g3 Bd6 41. Bc6 Kg8 42. c4 Bxb4 43. cxb5 Bc5 44. Ke4 Kf7 45. f4 Kf6 46. h4 g6 47. Kf3 Ne6 48. Bd7 Nd4+ 49. Ke4 Nf5 50. Bxf5 gxf5+ 51. Kf3 Kg6 52. g4 Bb6 53. h5+ Kh6 54. gxf5 Kxh5 55. Ke4 Kh6 56. Ke5 Kg7 57. Ke6 Kf8 1/2-1/2

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.04"]
[Round "8"]
[White "Porat, Yosef"]
[Black "Yanofsky, Daniel Abraham"]
[Result "1/2-1/2"]
[ECO "E91"]
[PlyCount "38"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 d6 7. 0-0 Bg4 8. d5 Na6 9. h3 Bd7 10. e5 dxe5 11. Nxe5 Bf5 12. g4 Bc8 13. Be3 Nxd5 14. Qxd5 Qxd5 15. Nxd5 Bxe5 16. Nxe7+ Kg7 17. Bf3 Rb8 18. Nxc8 Rfxc8 19. Rad1 Rc7 1/2-1/2

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.03"]
[Round "7"]
[White "Peretz, Malkiel"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "A58"]
[PlyCount "120"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 e6 6. Nc3 Nxd5 7. Nxd5 exd5 8. Qxd5 Nc6 9. e3 Be7 10. Bd2 0-0 11. Nf3 Qb6 12. Qb3 Nb4 13. Bxb4 cxb4 14. Bd3 Bxa6 15. 0-0 Bb7 16. Be2 Ra5 17. Rfd1 Bc6 18. Rd4 Ba4 19. Qc4 Rc5 20. Qa6 Qxa6 21. Bxa6 Ra8 22. Bd3 Rc7 23. Kf1 Bb3 24. Ne5 d5 25. Bb5 Bxa2 26. Nd3 g6 27. Rc1 Rxc1+ 28. Nxc1 Ra5 29. Nxa2 Rxb5 30. Ke2 f5 31. Nc1 Kf7 32. f3 Bf6 33. Rd2 Ke6 34. Nb3 Rb6 35. Rc2 Kd6 36. Kd3 Be5 37. h3 Ra6 38. Nd4 Ra1 39. Rc6+ Kd7 40. Rb6 Rd1+ 41. Kc2 Bxd4 42. Rb7+ Kc6 43. Kxd1 Kxb7 44. exd4 f4 45. b3 Kc6 46. Ke2 Kd6 47. Kf2 Ke6 48. Ke2 Kf5 49. Kf1 Kg5 50. Ke2 Kh4 51. Kf2 g5 52. Kf1 h5 53. Kg1 Kg3 54. Kf1 g4 55. hxg4 hxg4 56. fxg4 Kxg4 57. Kf2 Kg5 58. Ke2 Kg6 59. Kf2 Kf6 60. g4 fxg3+ 1-0

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.06.02"]
[Round "6"]
[White "Camara, Helder"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "D12"]
[PlyCount "102"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Be2 Nbd7 7. 0-0 Bd6 8. b3 0-0 9. Bb2 h6 10. h3 Qe7 11. Re1 Rad8 12. Bd3 Ne4 13. Qc2 Nxc3 14. Bxc3 Bxd3 15. Qxd3 f5 16. a3 g5 17. Bb4 Kg7 18. Bxd6 Qxd6 19. c5 Qe7 20. g3 Qf6 21. Ra2 g4 22. hxg4 fxg4 23. Nh4 e5 24. b4 e4 25. Qe2 h5 26. a4 Rf7 27. b5 Nf8 28. Kg2 Ng6 29. Rh1 Qf3+ 30. Kg1 Qxe2 31. Rxe2 Nxh4 32. Rxh4 Kg6 33. Rb2 cxb5 34. axb5 b6 35. cxb6 axb6 36. Kg2 Rc8 37. Rh1 Ra7 38. Rhb1 Ra5 39. Kf1 Kg5 40. Ke2 Ra7 41. Rd2 h4 42. gxh4+ Kxh4 43. Rh1+ Kg5 44. Rb2 Rac7 45. Kf1 Rc1+ 46. Kg2 Rxh1 47. Kxh1 g3 48. Kg2 gxf2 49. Kxf2 Rc3 50. Ra2 Kg4 51. Rb2 Ra3 0-1

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.05.31"]
[Round "5"]
[White "Porat, Yosef"]
[Black "Reshevsky, Samuel Herman"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "44"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 d6 7. 0-0 Bg4 8. Be3 Bxf3 9. Bxf3 cxd4 10. Bxd4 Nc6 11. Be3 Nd7 12. Qd2 Qa5 13. Rac1 Nc5 14. Rfd1 Rfd8 15. Nd5 Qxa2 16. b4 Qxd2 17. Bxd2 Nb3 18. Rb1 Nxd2 19. Rxd2 e6 20. Ne3 Bc3 21. Rc2 Bxb4 22. e5 a5 0-1

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.05.30"]
[Round "4"]
[White "Saidy, Anthony Fred"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "93"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 d5 7. c5 Ne4 8. Bd2 Nxd2 9. Qxd2 Nc6 10. a3 Bxc3 11. Nxc3 0-0 12. Be2 b6 13. 0-0 a5 14. Na4 bxc5 15. dxc5 Rb8 16. Nb6 e5 17. b4 axb4 18. axb4 Be6 19. Ra4 Nd4 20. Qe3 Qf6 21. Rd1 Rfd8 22. Bf1 Nf5 23. Qf3 e4 24. Qf4 g5 25. Qc1 d4 26. Ra6 e3 27. Qb2 exf2+ 28. Qxf2 Qe5 29. Re1 Ne3 30. Ra3 Qc7 31. Raxe3 dxe3 32. Qxe3 Qf4 33. Qxf4 gxf4 34. Re4 f3 35. gxf3 Rd2 36. Be2 Kg7 37. Kf2 Kf6 38. Ke3 Rb2 39. b5 Ke7 40. Nd5+ Kd8 41. Nf4 Rb3+ 42. Kd4 Bf5 43. Re5 Bb1 44. Nd5 R8xb5 45. Bxb5 Rxb5 46. c6 Rb2 47. c7+ 1-0

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.05.29"]
[Round "3"]
[White "Porat, Yosef"]
[Black "Pachman, Ludek"]
[Result "1/2-1/2"]
[ECO "E32"]
[PlyCount "47"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. a3 Bxc3+ 6. Qxc3 d6 7. g3 Qe7 8. Nf3 b6 9. Bg2 Bb7 10. 0-0 Nbd7 11. Bg5 h6 12. Bxf6 Nxf6 13. Ne1 c5 14. Rd1 d5 15. dxc5 bxc5 16. cxd5 exd5 17. Nd3 Rac8 18. Qe5 Qxe5 19. Nxe5 a5 20. Rd2 Rfd8 21. Rfd1 c4 22. f4 c3 23. bxc3 Rxc3 24. Rd3 1/2-1/2

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.05.28"]
[Round "2"]
[White "Friedman, Shmuel"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "D25"]
[PlyCount "139"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. 0-0 Nbd7 7. Qe2 Bd6 8. e4 e5 9. d5 0-0 10. h3 Bh5 11. Nc3 Bg6 12. Bg5 Be7 13. Bxf6 Bxf6 14. Rac1 Be7 15. Bd3 Bd6 16. Nd2 f5 17. exf5 Bxf5 18. Bxf5 Rxf5 19. Nde4 a6 20. Qg4 Qf8 21. Nxd6 cxd6 22. Ne4 Nc5 23. Nxc5 dxc5 24. d6 Rd8 25. Rcd1 g6 26. Qc4+ Kg7 27. Qxc5 Rf6 28. Qc7+ Rf7 29. d7 Qe7 30. Qxb7 Qe6 31. Rfe1 Rfxd7 32. Rxd7+ Rxd7 33. Qb8 Re7 34. b3 h5 35. Rd1 Qf5 36. Rd2 Qb1+ 37. Kh2 Qc1 38. Qd6 Kf7 39. g3 e4 40. Qf4+ Kg7 41. Rd7 Qc5 42. Qe3 Qe5 43. Qd4 Qxd4 44. Rxd4 e3 45. fxe3 Rxe3 46. Ra4 Re6 47. Kg2 g5 48. Kf3 Kg6 49. Ra5 Kf6 50. h4 gxh4 51. gxh4 Kg6 52. Kf4 Rf6+ 53. Ke4 Rd6 54. Rg5+ Kh6 55. Rd5 Rb6 56. Ke5 Rb4 57. Rd4 Rb5+ 58. Kd6 Kg6 59. Ra4 Rb6+ 60. Kc7 Re6 61. Ra5 Re7+ 62. Kb6 Re4 63. Ra4 Re6+ 64. Kb7 Kf5 65. Rxa6 Re7+ 66. Kc8 Kg4 67. Ra4+ Kg3 68. Rc4 Re2 69. a4 Rb2 70. b4 1-0

[Event "Nathanya-11 GM"]
[Site "Nathanya"]
[Date "1973.05.27"]
[Round "1"]
[White "Porat, Yosef"]
[Black "Damjanovic, Mato"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "124"]
[EventDate "1973.05.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[EventCategory "6"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 d6 7. 0-0 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Be3 b6 11. Qd2 Ne8 12. a3 Nd6 13. b4 Qc7 14. bxc5 bxc5 15. f3 Bd7 16. Nb5 Qb6 17. Rab1 Rfb8 18. Bd3 Nb7 19. Rb2 a6 20. Nc3 Qc7 21. Rfb1 Nd6 22. Rxb8+ Rxb8 23. Rxb8+ Qxb8 24. Bxc5 Qc8 25. Qf2 Bf8 26. Bb4 Nb7 27. a4 e6 28. Bxf8 Kxf8 29. Qb6 Qc5+ 30. Qxc5+ Nxc5 31. Bc2 Ke7 32. Kf2 Kd6 33. Ke3 h6 34. g3 g5 35. f4 exf4+ 36. gxf4 e5 37. fxg5 hxg5 38. a5 Nb7 39. Ba4 Bh3 40. Be8 Nxa5 41. Bxf7 Nxc4+ 42. Kf2 Bd7 43. Ke2 Kc5 44. Kd3 Nd6 45. Bh5 a5 46. Bd1 Nc4 47. Bb3 Nb6 48. Na2 Nc8 49. Bc2 Nd6 50. Nc3 Kb4 51. Na2+ Ka3 52. Nc3 Bc8 53. Ba4 Ba6+ 54. Kc2 Bc4 55. Bd7 Bb3+ 56. Kd3 Kb4 57. Nb1 a4 58. Bxa4 Bxa4 59. Nd2 Bb5+ 60. Ke3 Nc4+ 61. Nxc4 Kxc4 62. Kf3 Bd7 0-1

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.19"]
[Round "11"]
[White "Drimer, Dolfi"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C46"]
[PlyCount "23"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nge7 7. Qd2 d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Nxd5 Qxd5 11. Qxd5 cxd5 12. Bb5+ 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.17"]
[Round "10"]
[White "Porat, Yosef"]
[Black "Teschner, Rudolf"]
[Result "1-0"]
[ECO "D12"]
[PlyCount "103"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Bd3 Bxd3 6. Qxd3 e6 7. 0-0 Nbd7 8. Nbd2 Be7 9. Rd1 0-0 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Nf6 13. Qe2 Qc7 14. Bd2 Rad8 15. Bc3 c5 16. dxc5 Bxc5 17. Ne5 Rxd1+ 18. Rxd1 Rd8 19. Rxd8+ Qxd8 20. b4 Be7 21. Qd3 Qxd3 22. Nxd3 Kf8 23. f3 Nd7 24. Kf2 g6 25. Bd4 a6 26. a4 Ke8 27. b5 Kd8 28. Ke3 Bd6 29. f4 axb5 30. axb5 f5 31. c5 Be7 32. Kf3 Kc7 33. g4 Nf6 34. Be5+ Kd7 35. Bxf6 Bxf6 36. g5 Bd4 37. h4 Kc7 38. Kg3 Kd7 39. h5 Kc7 40. hxg6 hxg6 41. Kf3 Kc8 42. Ke2 Kc7 43. Kd2 e5 44. Nxe5 Bxc5 45. Nxg6 Kb6 46. Nh4 Kxb5 47. Nxf5 Kc4 48. g6 Bf8 49. Ke3 b5 50. g7 Bxg7 51. Nxg7 b4 52. Nf5 1-0

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.16"]
[Round "9"]
[White "Neumann, Avraham"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "B19"]
[PlyCount "31"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[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. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. Qe2 0-0-0 13. 0-0-0 Ngf6 14. Ne5 Nb6 15. Ba5 Rd5 16. Bxb6 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.15"]
[Round "8"]
[White "Porat, Yosef"]
[Black "Weisman, Osias"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "97"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. f3 Nh5 7. Be3 Bg7 8. Qd2 a6 9. Bd3 0-0 10. Nge2 f5 11. a3 f4 12. Bf2 Nd7 13. b4 b6 14. Rb1 Rf7 15. Nc1 Nf8 16. Nb3 Rb7 17. Kd1 Rab8 18. Kc2 Bd7 19. g4 Nf6 20. Rb2 Qc7 21. Rhb1 Be8 22. Qe1 cxb4 23. axb4 a5 24. bxa5 bxa5 25. c5 a4 26. Nd2 Rxb2+ 27. Rxb2 Rxb2+ 28. Kxb2 dxc5 29. Qa1 Qa5 30. Kc2 Qb4 31. g5 Nh5 32. Na2 Qa5 33. Qc3 Qd8 34. h4 Nd7 35. Bb5 Bf7 36. Bxa4 Nb6 37. Bb3 Ng3 38. Qxc5 Nd7 39. Qb5 h6 40. gxh6 Bxh6 41. Nb4 Nf8 42. Nc6 Qxh4 43. Nxe5 Qd8 44. Nxf7 Kxf7 45. d6+ Kg7 46. Bd4+ Kh7 47. Qd5 Bg5 48. Qg8+ Kh6 49. Qh8+ 1-0

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.14"]
[Round "7"]
[White "Avner, Uri"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "28"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 c5 3. f4 Nc6 4. Nf3 g6 5. 0-0 Bg7 6. Nc3 d4 7. Ne4 Qb6 8. c4 Nf6 9. Nxf6+ Bxf6 10. d3 0-0 11. a3 a5 12. Rb1 Bd7 13. Bd2 Rfe8 14. b3 Bg7 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.13"]
[Round "6"]
[White "Porat, Yosef"]
[Black "Mart, Avner"]
[Result "1-0"]
[ECO "D74"]
[PlyCount "61"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 0-0 7. 0-0 Na6 8. Nc3 c5 9. Nxd5 Qxd5 10. Be3 Qh5 11. Qb3 b6 12. Rac1 Rb8 13. Bf4 Rb7 14. Ne5 Bxe5 15. dxe5 Rd7 16. e6 Rd4 17. exf7+ Rxf7 18. Rfd1 c4 19. Rxc4 Rxd1+ 20. Qxd1 Be6 21. Rd4 Rf8 22. b4 Qf5 23. Bd5 Bxd5 24. Rxd5 Qe4 25. a3 Nb8 26. b5 a6 27. Qb3 Kg7 28. Re5 Qb7 29. Qe3 Re8 30. Re6 axb5 31. Rxb6 1-0

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.12"]
[Round "5"]
[White "Cheruti, Ofer"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "E01"]
[PlyCount "40"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 c5 5. cxd5 cxd4 6. Qxd4 Nc6 7. Qa4 Nxd5 8. Bd2 Bb4 9. Rd1 Nxc3 10. bxc3 Bc5 11. Bg2 Bd7 12. Qg4 0-0 13. Nf3 e5 14. Qh5 Qe7 15. 0-0 Rad8 16. Nh4 g6 17. Qh6 Be6 18. Be3 Bxa2 19. Bxc5 Qxc5 20. Nf5 gxf5 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.11"]
[Round "4"]
[White "Porat, Yosef"]
[Black "Kalir, Menahem"]
[Result "1/2-1/2"]
[ECO "A44"]
[PlyCount "115"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 Ng6 6. 0-0 Be7 7. a4 0-0 8. Na3 f5 9. f4 fxe4 10. Bxe4 Bf5 11. Bxf5 Rxf5 12. Ng3 Rf7 13. f5 Nf8 14. Nc4 h6 15. Qg4 Nbd7 16. Ne4 Nf6 17. Nxf6+ Rxf6 18. Ra3 Nh7 19. Rg3 Qf8 20. Be3 Kh8 21. Nd2 Rf7 22. Ne4 Nf6 23. Nxf6 Bxf6 24. Qe4 b5 25. axb5 a6 26. b6 a5 27. Bd2 Rb7 28. Ra3 Rxb6 29. b3 Rba6 30. Ra4 Qe8 31. Rf3 R6a7 32. Rg3 Qh5 33. Qg4 Qf7 34. Qe4 Qh5 35. Rf3 Qe8 36. h3 c4 37. Qxc4 Rc8 38. Qe4 Qd8 39. Kh2 Raa8 40. Rg3 Rc5 41. Rg6 Kh7 42. Qg4 Qf8 43. c4 Re8 44. Qe4 Rb8 45. Rg3 Qd8 46. Rd3 Kh8 47. Be1 Rb7 48. Bf2 Rc8 49. Qe1 Qd7 50. Rf3 Rxb3 51. Rxa5 Rxf3 52. gxf3 Rxc4 53. Qb1 Rf4 54. Ra7 Qxf5 55. Qxf5 Rxf5 56. Kg2 Bg5 57. Rd7 Rf6 58. Be1 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.10"]
[Round "3"]
[White "Stepak, Yedael"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C69"]
[PlyCount "81"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 10. Bg5 Nf6 11. Nbd2 0-0 12. Re1 h6 13. Bxf6 Rxf6 14. Nc4 Bxf3 15. Rxf3 Rxf3 16. gxf3 b5 17. Ne3 Kf7 18. Kf1 g6 19. Ke2 h5 20. Rd1 Ke6 21. Rg1 Kf6 22. Ng2 Kf7 23. Ne1 Rd8 24. Nd3 c5 25. Rd1 Rb8 26. Ne1 c4 27. Ng2 Rd8 28. Ne3 c6 29. Ng2 Kf6 30. Rg1 Bb4 31. c3 Bd6 32. Nh4 Rg8 33. Rd1 Ke6 34. Rg1 Kf7 35. h3 Be7 36. Ng2 Bg5 37. Ne3 Bh6 38. Rd1 Ke6 39. Nc2 a5 40. Ne3 Rb8 41. Rg1 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.08"]
[Round "2"]
[White "Porat, Yosef"]
[Black "Hershberg, Moshe"]
[Result "1/2-1/2"]
[ECO "D07"]
[PlyCount "88"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. dxc6 Bxc6 6. Nc3 e6 7. e4 Ne7 8. Bc4 Qd6 9. d5 exd5 10. exd5 Qe5+ 11. Qe2 Qxe2+ 12. Kxe2 Bd7 13. Rd1 Nf5 14. Nb5 Bxb5 15. Bxb5+ Kd8 16. Bd3 Nd6 17. Bf4 Kd7 18. Rac1 g6 19. Bc2 a6 20. Ba4+ b5 21. Bb3 Bg7 22. Rc2 Rhe8+ 23. Kf3 Be5 24. Rdc1 Rac8 25. g4 Bxf4 26. Kxf4 f5 27. h3 fxg4 28. hxg4 h5 29. f3 hxg4 30. Kxg4 Re5 31. Rc6 Re7 32. R1c2 Re1 33. Kg3 a5 34. Kf2 Rh1 35. a4 Rh2+ 36. Kg3 Rxc2 37. Bxc2 bxa4 38. Bxa4 Ke7 39. Bc2 g5 40. Rc5 Kd7 41. Kg4 Rf8 42. Bd1 Nf7 43. Rxa5 Ne5+ 44. Kg3 Kd6 1/2-1/2

[Event "Nathanya-10 Open"]
[Site "Nathanya"]
[Date "1971.06.07"]
[Round "1"]
[White "Czerniak, Moshe"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "B10"]
[PlyCount "79"]
[EventDate "1971.06.07"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. g3 dxe4 6. Nxe4 Nf6 7. Nxf6+ Bxf6 8. Bg2 Qa5+ 9. c3 0-0 10. h3 Rd8 11. 0-0 Bf5 12. d4 e5 13. Be3 Nd7 14. Qe2 Re8 15. Rfd1 Rad8 16. dxe5 Nxe5 17. Rxd8 Rxd8 18. Nd4 Bd3 19. Qd1 Ba6 20. b4 Qc7 21. Qa4 Nc4 22. Bf4 Qb6 23. Re1 Nb2 24. Qb3 Nd3 25. Re4 Bxd4 26. cxd4 Qxb4 27. Bh6 Qxb3 28. axb3 Nb4 29. Re7 Nd5 30. Bxd5 cxd5 31. Kg2 Bb5 32. Rxb7 a6 33. g4 Re8 34. Kg3 Re4 35. f3 Re8 36. Kf4 Re6 37. Rc7 Rc6 38. Rb7 Re6 39. Rb8+ Re8 40. Rb7 1/2-1/2

[Event "Constanta"]
[Site "Constanta"]
[Date "1969.??.??"]
[Round "?"]
[White "Szabo, Laszlo"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "63"]
[EventDate "1969.08.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ROU"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. b3 0-0 7. Bb2 c5 8. e3 d5 9. Qe2 Nbd7 10. Rd1 Qc7 11. Nc3 Rac8 12. Rac1 Qb8 13. cxd5 Nxd5 14. Nxd5 Bxd5 15. e4 Bb7 16. d4 cxd4 17. Rxc8 Rxc8 18. Nxd4 Nc5 19. e5 Bxg2 20. Kxg2 Qb7+ 21. Qf3 Qxf3+ 22. Kxf3 Kf8 23. Rc1 Rd8 24. Ke2 Rd7 25. Nc6 f5 26. Ba3 Rd5 27. Rd1 Rxd1 28. Kxd1 g5 29. Ke2 a6 30. Ke3 f4+ 31. gxf4 Kf7 32. Kf3 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.06"]
[Round "13"]
[White "Porat, Yosef"]
[Black "Visier Segovia, Fernando"]
[Result "1/2-1/2"]
[ECO "A39"]
[PlyCount "26"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Spain"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "ESP"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. Nf3 cxd4 6. Nxd4 Nc6 7. Nc3 0-0 8. 0-0 Nxd4 9. Qxd4 d6 10. b3 Nd5 11. Qxd5 Bxc3 12. Bh6 Bg7 13. Bxg7 Kxg7 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.05"]
[Round "12"]
[White "Porat, Yosef"]
[Black "Keller, Dieter"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "64"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. Nf3 d5 6. cxd5 exd5 7. Bg5 h6 8. Bxf6 Qxf6 9. a3 Bf5 10. Qb3 Bxc3+ 11. Qxc3 Rc8 12. e3 c5 13. dxc5 Qxc3+ 14. bxc3 Rxc5 15. Nd4 Be4 16. Kd2 Nd7 17. f3 Bg6 18. Bb5 Ne5 19. a4 Rd8 20. Ra2 Rd6 21. a5 Nc4+ 22. Bxc4 dxc4 23. Rha1 Bd3 24. e4 h5 25. Ke3 Ra6 26. f4 f6 27. g3 Rc7 28. Re1 Bxe4 29. Nb5 Rc5 30. Kxe4 Rxb5 31. Rea1 Rd6 32. Ra4 f5+ 0-1

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.04"]
[Round "11"]
[White "Garcia Martinez, Silvino"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "B19"]
[PlyCount "64"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Cuba"]
[BlackTeam "Israel"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "ISR"]

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. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Qc7 12. 0-0-0 0-0-0 13. Ne4 c5 14. Be3 Ngf6 15. Nxf6 Nxf6 16. Qa3 a6 17. dxc5 Be7 18. Bd4 Ng4 19. Rhe1 Rd5 20. Bxg7 Rhd8 21. Rxd5 Rxd5 22. Qa4 Nxf2 23. c6 Qxc6 24. Qxc6+ bxc6 25. Ne5 Bg5+ 26. Kb1 f6 27. Nxc6 Kd7 28. Nb4 Rb5 29. Bf8 Bd2 30. Re2 Bxb4 31. Bxb4 Rxb4 32. Rxf2 f5 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.03"]
[Round "10"]
[White "Rooze, Jan"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C98"]
[PlyCount "38"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Belgium"]
[BlackTeam "Israel"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "ISR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nh2 Be6 15. Ndf1 Rad8 16. Qf3 Na5 17. Ne3 Nc4 18. Nf5 Bxf5 19. exf5 e4 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.11.02"]
[Round "9"]
[White "Porat, Yosef"]
[Black "Nilsson, Zandor"]
[Result "1-0"]
[ECO "A88"]
[PlyCount "76"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "SWE"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nc3 0-0 6. Nf3 d6 7. 0-0 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Kh8 11. Bf4 Nh5 12. Bxd6 Bxc4 13. Qxc4 Qxd6 14. Ng5 Qe7 15. Ne6 Qf7 16. Qb3 Re8 17. Nxg7 Qxb3 18. axb3 Nxg7 19. Rfd1 Ne6 20. e4 f4 21. e5 fxg3 22. hxg3 Nc7 23. f4 Nba6 24. Ne4 Re7 25. Nd6 Rb8 26. Kf2 g5 27. Ke3 gxf4+ 28. gxf4 Rg7 29. Be4 Rg3+ 30. Kf2 Rxb3 31. Kg2 Rxb2+ 32. Kf3 Rb3+ 33. Ke2 Rb2+ 34. Kd3 Nc5+ 35. Kc3 Rb3+ 36. Kc2 Nxe4 37. Kxb3 Nxd6 38. exd6 Nb5 1-0

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.31"]
[Round "7"]
[White "Porat, Yosef"]
[Black "Myagmarsuren, Lhamsuren"]
[Result "1/2-1/2"]
[ECO "D55"]
[PlyCount "54"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Mongolia"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "MGL"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 h6 7. Bf4 c5 8. dxc5 Bxc5 9. Rc1 Nc6 10. cxd5 exd5 11. Be2 Qe7 12. 0-0 Rd8 13. Nb5 Bg4 14. h3 d4 15. exd4 Bxf3 16. Bxf3 Bxd4 17. Qb3 Bb6 18. Rfe1 Qb4 19. Be3 Qxb3 20. axb3 Bxe3 21. Rxe3 Rd2 22. Bxc6 bxc6 23. Rxc6 Rxb2 24. Nd6 Rd8 25. Re7 Rxb3 26. Rxa7 Rb2 27. g3 Nd7 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.29"]
[Round "5"]
[White "Porat, Yosef"]
[Black "Langeweg, Kick"]
[Result "1/2-1/2"]
[ECO "E33"]
[PlyCount "63"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Netherlands"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. Bd2 Qe7 7. a3 Bxc3 8. Bxc3 a5 9. Rd1 a4 10. e3 0-0 11. Be2 Re8 12. d5 Nb8 13. dxe6 fxe6 14. 0-0 Nbd7 15. Nd4 Nc5 16. Bb4 Na6 17. Nb5 Nc5 18. Bxc5 dxc5 19. Nc3 e5 20. Ne4 Ra6 21. Rd2 Rf8 22. Rfd1 Ne8 23. Ng3 Rh6 24. Bf3 Nd6 25. Bd5+ Kh8 26. f3 Qe8 27. Be4 Be6 28. Qc3 Qe7 29. Bd5 Bc8 30. Qc2 Qe8 31. Be4 Be6 32. Bd5 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.28"]
[Round "4"]
[White "Sigurjonsson, Gudmundur"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "D41"]
[PlyCount "34"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Iceland"]
[BlackTeam "Israel"]
[WhiteTeamCountry "ISL"]
[BlackTeamCountry "ISR"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bb5+ Bd7 9. Bd3 Bc6 10. 0-0 Nd7 11. Be3 0-0 12. Rc1 Qa5 13. Qe2 Rac8 14. Bd2 Qb6 15. Be3 Qa5 16. Bd2 Qb6 17. Be3 Qa5 1/2-1/2

[Event "Olympiad-18 Final B"]
[Site "Lugano"]
[Date "1968.10.26"]
[Round "2"]
[White "Porat, Yosef"]
[Black "Davie, Alexander Munroe"]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "80"]
[EventDate "1968.10.26"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "SCO"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb3 Nc6 5. cxd5 exd5 6. Nf3 Bb4 7. Bg5 f6 8. Bd2 Nge7 9. e3 0-0 10. Be2 Qd7 11. 0-0 Kh8 12. a3 Bxc3 13. Bxc3 Nd8 14. Bb4 Re8 15. Nh4 Bg4 16. Bxg4 Qxg4 17. Bxe7 Rxe7 18. g3 c6 19. Qd1 Qe4 20. Nf3 Nf7 21. Rc1 Nd6 22. Nd2 Qf5 23. Qf3 Qh3 24. Rc2 Rae8 25. Rfc1 h5 26. Qg2 Qf5 27. h3 g5 28. Kh2 h4 29. g4 Qd3 30. Qf1 Qg6 31. Rc3 f5 32. Nf3 fxg4 33. Ne5 g3+ 34. fxg3 hxg3+ 35. Kg2 Qe4+ 36. Qf3 Qxf3+ 37. Kxf3 Rf8+ 38. Kxg3 Kg7 39. R3c2 Nf5+ 40. Kh2 Nxe3 1/2-1/2

[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.24"]
[Round "7"]
[White "Porat, Yosef"]
[Black "De Winter, Isidor"]
[Result "1-0"]
[ECO "E62"]
[PlyCount "103"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Mexico"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "MEX"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 e5 8. dxe5 dxe5 9. Bg5 Qe8 10. Nd5 Nxd5 11. cxd5 Nd4 12. Rc1 Nxf3+ 13. exf3 f6 14. Be3 Rf7 15. f4 e4 16. f3 exf3 17. Qxf3 Bg4 18. Qf2 Qd7 19. Rfe1 a6 20. Bd4 Rd8 21. Qf1 Qa4 22. Qc4 Qxc4 23. Rxc4 Bf8 24. h3 Bf5 25. Rec1 Bd6 26. Bc5 h5 27. Bxd6 cxd6 28. Be4 Re7 29. Bxf5 gxf5 30. Rc8 Rde8 31. Rxe8+ Rxe8 32. Kf2 Re4 33. Rc7 Rd4 34. Rxb7 Rxd5 35. Ke3 Rd1 36. Ra7 Rg1 37. Rxa6 Rxg3+ 38. Kd4 Rxh3 39. Rxd6 Kg7 40. Kc4 Rh2 41. Kc3 h4 42. a4 Rg2 43. a5 Rg3+ 44. Kc4 h3 45. Rd1 Rg2 46. b4 Ra2 47. Rh1 h2 48. Kb3 Re2 49. a6 Re3+ 50. Kc4 Ra3 51. Kb5 Ra2 52. Kb6 1-0

[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.22"]
[Round "5"]
[White "Penrose, Jonathan"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "C99"]
[PlyCount "101"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Israel"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "ISR"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Nc6 14. Nb3 a5 15. Be3 a4 16. Nbd2 Ba6 17. Rc1 Qb7 18. d5 Na5 19. Bd3 Rfc8 20. b3 Rxc1 21. Qxc1 axb3 22. axb3 b4 23. Qc2 Bxd3 24. Qxd3 Rc8 25. Ra1 Bd8 26. Qb1 Nd7 27. Ne1 Rc3 28. Nc2 Nc5 29. Bxc5 Rxc5 30. Ne3 Rc3 31. Qa2 Qd7 32. Qa4 Qxa4 33. Rxa4 f5 34. Rxb4 Bg5 35. Nec4 Bxd2 36. Nxd2 fxe4 37. Rb8+ Kf7 38. b4 e3 39. fxe3 Nb3 40. Nxb3 Rxb3 41. Kf2 e4 42. h4 Kf6 43. Re8 Rxb4 44. g4 h5 45. Re6+ Kf7 46. g5 Rb2+ 47. Kg3 Re2 48. Kf4 Rg2 49. Kxe4 Rg4+ 50. Kf5 Rxh4 51. Rxd6 1-0

[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.21"]
[Round "4"]
[White "Spassky, Boris Vasilievich"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "C13"]
[PlyCount "49"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Soviet Union"]
[BlackTeam "Israel"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "ISR"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 Be7 7. Nxf6+ Bxf6 8. Bxf6 Qxf6 9. Bc4 c5 10. Qe2 0-0 11. 0-0-0 a6 12. Qe3 cxd4 13. Rxd4 b5 14. Bd3 g6 15. Rd1 Nc5 16. Ne5 Qe7 17. Be2 f6 18. Nc6 Qc7 19. Rd8 Nb7 20. Rxf8+ Kxf8 21. Bf3 Kg7 22. Qa3 Kf7 23. g3 e5 24. Nd8+ Kg8 25. Bd5+ 1-0

[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.20"]
[Round "3"]
[White "Balinas, Rosendo Carrean"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "107"]
[EventDate "1968.10.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Philippines"]
[BlackTeam "Israel"]
[WhiteTeamCountry "PHI"]
[BlackTeamCountry "ISR"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 e6 8. Qe2 Ngf6 9. 0-0 Be7 10. Bb3 0-0 11. Re1 Qc7 12. Ne5 Nxe5 13. dxe5 Nd7 14. Bf4 Nc5 15. Qg4 a5 16. h4 a4 17. Bc4 Kh8 18. Rac1 Rad8 19. h5 Rd4 20. Bf1 f5 21. Qf3 Bf7 22. c3 Rd7 23. Nxf5 Bxh5 24. Qxh5 Rxf5 25. Qg4 Nd3 26. Bxd3 Rxd3 27. Re4 a3 28. b4 Qd8 29. Qe2 Bg5 30. Bxg5 Qxg5 31. f4 Qg3 32. Rd1 Rxd1+ 33. Qxd1 h6 34. Qf3 Qxf3 35. gxf3 Kh7 36. Kf2 Rf7 37. Rd4 Kg6 38. c4 Kf5 39. Ke3 c5 40. bxc5 Rc7 41. Rd8 h5 42. c6 bxc6 43. Rf8+ Kg6 44. Ra8 h4 45. Rxa3 Rc8 46. Ra7 h3 47. Kf2 Rh8 48. Kg1 Rh4 49. Re7 Rxf4 50. Rxe6+ Kf5 51. Rxc6 Kxe5 52. Rg6 Rxf3 53. Rxg7 Ra3 54. Kh2 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.07.01"]
[Round "13"]
[White "Kagan, Shimon"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "69"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Bc5 6. Bc4 Nc6 7. 0-0 e5 8. Bb5 Qe7 9. Bxc6+ bxc6 10. b3 Bg4 11. Bb2 Nd7 12. Qe2 0-0 13. h3 Be6 14. Nc4 f6 15. Rad1 Nb6 16. Na5 Ba3 17. Nxc6 Qc5 18. Bxa3 Qxa3 19. Qb5 a6 20. Qa5 Qxa5 21. Nxa5 Kf7 22. Rd3 Rfd8 23. Rfd1 Rxd3 24. Rxd3 Nd7 25. Rc3 c5 26. Nb7 a5 27. Nxc5 Nxc5 28. Rxc5 a4 29. Rc7+ Kg6 30. g4 axb3 31. axb3 Ra1+ 32. Kg2 Rc1 33. Kg3 h5 34. b4 hxg4 35. hxg4 1-0

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.30"]
[Round "12"]
[White "Porat, Yosef"]
[Black "Troianescu, Octavio"]
[Result "1/2-1/2"]
[ECO "A44"]
[PlyCount "115"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bh6 6. Bxh6 Nxh6 7. Qd2 Ng8 8. a4 h6 9. Na3 Nd7 10. Nb5 Nf8 11. f4 a6 12. Na3 Nd7 13. Nc4 Qe7 14. a5 Ngf6 15. 0-0 Kf8 16. b4 cxb4 17. Qxb4 Ne8 18. fxe5 Nxe5 19. Qb2 f6 20. Nxe5 Qxe5 21. Qxe5 dxe5 22. c4 Rh7 23. c5 Rc7 24. Rfc1 Bg4 25. Rc4 Bd7 26. Rc3 Rac8 27. Rac1 Bg4 28. Kf2 Bd7 29. Ke3 Ra8 30. Kd2 Bb5 31. Rb1 Bxd3 32. Kxd3 Rac8 33. d6 Rd7 34. Rc4 Ng7 35. Nc3 Ne6 36. Na4 Rf7 37. c6 bxc6 38. Nb6 Rd8 39. Rxc6 Nd4 40. Rc8 Rxc8 41. Nxc8 Rd7 42. Rb6 Kf7 43. Rxa6 Ke6 44. Kc4 f5 45. Ne7 fxe4 46. Nxg6 e3 47. Kd3 e2 48. Kd2 Kd5 49. Ne7+ Kc5 50. Rb6 Rd8 51. g4 Ra8 52. d7 Rxa5 53. Rb1 Ra2+ 54. Ke3 Ne6 55. Nf5 Kc6 56. Re1 Kxd7 57. Rxe2 Rxe2+ 58. Kxe2 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.29"]
[Round "11"]
[White "Czerniak, Moshe"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "64"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. Bd3 Be7 8. Qg4 Kf8 9. Qf3 d6 10. exd6 cxd6 11. a3 Bg5 12. 0-0 Bxc1 13. Rxc1 Qf6 14. Nd2 Qxf3 15. Nxf3 Nf4 16. Bf1 a5 17. Rd1 Ke7 18. Nd4 c5 19. Nb5 Rd8 20. Rd2 Rb8 21. Re1+ Ne6 22. c4 Rb6 23. f4 g6 24. g3 Bb7 25. Bh3 Kf6 26. Red1 d5 27. cxd5 Rxd5 28. Rxd5 Bxd5 29. Rxd5 Rxb5 30. a4 Rb4 31. Bxe6 Kxe6 32. Rxc5 Rxa4 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.27"]
[Round "10"]
[White "Porat, Yosef"]
[Black "Kraidman, Yair"]
[Result "1/2-1/2"]
[ECO "A32"]
[PlyCount "34"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 a6 6. Bg5 Nc6 7. e3 Qa5 8. Bxf6 gxf6 9. Be2 f5 10. Qa4 Bb4 11. Qxa5 Bxa5 12. Rc1 d6 13. Nxc6 bxc6 14. Bf3 Bd7 15. a3 Bxc3+ 16. Rxc3 Rb8 17. b3 c5 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.26"]
[Round "9"]
[White "Hamann, Svend"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "D09"]
[PlyCount "65"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Nge7 6. Bg2 Ng6 7. 0-0 Ngxe5 8. Nbd2 Be7 9. b3 0-0 10. Bb2 Bf6 11. Nxe5 Bxe5 12. Bxc6 bxc6 13. Nf3 Bf6 14. Bxd4 Bh3 15. Re1 c5 16. Bxc5 Bxa1 17. Bxf8 Bc3 18. Qxd8 Rxd8 19. Be7 Re8 20. Rd1 f6 21. Rd8 Kf7 22. Rxe8 Kxe8 23. Bc5 a5 24. Bd4 Bb4 25. e4 a4 26. Nh4 axb3 27. axb3 Kd7 28. f3 Be1 29. Nf5 g6 30. Ne3 f5 31. exf5 gxf5 32. Nd5 f4 33. g4 1-0

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.25"]
[Round "8"]
[White "Porat, Yosef"]
[Black "Aloni, Izak"]
[Result "1/2-1/2"]
[ECO "D61"]
[PlyCount "104"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Be7 7. Qc2 0-0 8. Rd1 Re8 9. Bd3 dxc4 10. Bxc4 Nd5 11. Bxe7 Qxe7 12. 0-0 Nf8 13. Ne4 Ng6 14. Ne5 Qc7 15. Nd3 Qe7 16. a3 b6 17. Qe2 Bb7 18. Ne5 Rad8 19. Rc1 Nf8 20. Ba6 f5 21. Bxb7 Qxb7 22. Ng5 Rc8 23. e4 fxe4 24. Nxe4 Red8 25. Rc2 Ne7 26. Rd2 Nf5 27. Rfd1 Qe7 28. Ng3 Nxg3 29. hxg3 Rd5 30. Qa6 Rc7 31. Qe2 h6 32. Qe4 Qf6 33. Ng4 Qd8 34. Ne3 Rd6 35. Nc4 Rd5 36. b4 Rcd7 37. Ne3 R5d6 38. Nc4 Rd5 39. Qe3 Qc7 40. Rc1 Rd8 41. f4 Qb7 42. Ne5 R8d6 43. g4 Qa8 44. Nc4 Rd7 45. Qe4 Qd8 46. Rcd1 c5 47. Ne5 R7d6 48. b5 cxd4 49. Nc6 Qh4 50. Rxd4 Rxd4 51. Rxd4 Rxd4 52. Qxd4 Qe1+ 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.24"]
[Round "7"]
[White "Yanofsky, Daniel Abraham"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "C98"]
[PlyCount "65"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nh2 Be6 15. Ndf1 Rad8 16. Qf3 c4 17. Ne3 Nb8 18. Nhg4 Nbd7 19. Nxf6+ Bxf6 20. Nd5 Bxd5 21. exd5 Nc5 22. Qf5 e4 23. Rxe4 Nxe4 24. Bxe4 Rfe8 25. Bf4 Be5 26. Qxh7+ Kf8 27. Be3 Ke7 28. Bg5+ f6 29. Be3 Rg8 30. Bf5 Rdf8 31. Be6 Rh8 32. Qxg7+ Kd6 33. Qg6 1-0

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.23"]
[Round "6"]
[White "Porat, Yosef"]
[Black "Fischer, Robert James"]
[Result "1/2-1/2"]
[ECO "E62"]
[PlyCount "127"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. Nf3 Nc6 7. 0-0 Bg4 8. d5 Na5 9. b3 c5 10. Bb2 Qd7 11. Qd3 a6 12. e4 b5 13. cxb5 c4 14. bxc4 Bxf3 15. Bxf3 Rfc8 16. c5 Rxc5 17. Na4 Rxb5 18. Bd4 Rab8 19. Nc3 Rb4 20. Rab1 Qc8 21. Rfc1 Nxe4 22. Bxg7 Nc5 23. Qe3 Kxg7 24. Rxb4 Rxb4 25. Ne4 Rc4 26. Be2 Rxc1+ 27. Qxc1 Nab7 28. Bxa6 Qf5 29. Qb2+ f6 30. Nxc5 Nxc5 31. Qe2 Kf8 32. Bc4 g5 33. Kg2 Qb1 34. h3 h6 35. Kh2 Qb4 36. Qc2 Ke8 37. Bf1 Qd4 38. Bg2 h5 39. Bf3 g4 40. hxg4 hxg4 41. Bg2 Kd8 42. Qe2 Nd7 43. f4 gxf3 44. Qxf3 Qb2 45. Qg4 Kc7 46. Qa4 Qb7 47. Qc2+ Kb8 48. Qa4 Kc7 49. Qc2+ Nc5 50. Qe2 Kd8 51. Qg4 Qa7 52. Qg8+ Kc7 53. Qe8 Kb6 54. a3 Qb7 55. Qg6 Kb5 56. Qc2 Ka5 57. Qc3+ Kb6 58. Qe3 Qd7 59. Qe1 Qa7 60. Qe3 Qb7 61. Qe1 Qa7 62. Qe3 Qd7 63. Qe1 Nb7 64. Qe3+ 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.22"]
[Round "5"]
[White "Ciocaltea, Victor"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "B14"]
[PlyCount "64"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. cxd5 exd5 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Nf3 Bb4 10. 0-0 0-0 11. Ne5 Qc8 12. Ne2 Nc6 13. Bf4 Qe6 14. Qa4 Bd6 15. Nxc6 bxc6 16. Rac1 Rfc8 17. Rxc6 Qxe2 18. Bxd6 Qxb2 19. Be5 Qb7 20. Rxc8+ Rxc8 21. Bxf6 gxf6 22. Re1 Qb2 23. Qd1 Qc2 24. Qg4+ Kf8 25. Qf4 Qc3 26. Rf1 Kg7 27. Qg4+ Kf8 28. Qf5 Rc4 29. Qxf6 Qxd4 30. Qf5 Qe4 31. Qg5 Rc2 32. h3 Re2 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.20"]
[Round "4"]
[White "Porat, Yosef"]
[Black "Domnitz, Zadok"]
[Result "1/2-1/2"]
[ECO "E63"]
[PlyCount "50"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 a6 6. Nf3 Nc6 7. 0-0 d6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. Rc1 b4 12. Na4 Na7 13. Qc2 c6 14. Ne1 Ba6 15. Nd3 Qa5 16. Qd2 Nd5 17. Rc2 Bb5 18. e4 Nb6 19. Nxb6 Qxb6 20. Rfc1 Bxd4 21. Bxd4 Qxd4 22. Nxb4 Qxd2 23. Rxd2 Rfc8 24. f4 c5 25. Nd5 Kf8 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.19"]
[Round "3"]
[White "Bernstein, Yaacov"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C86"]
[PlyCount "65"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. 0-0 d6 8. a4 Bg4 9. c3 0-0 10. h3 Na5 11. Bxf7+ Rxf7 12. hxg4 Nb3 13. Ra3 Nxc1 14. Rxc1 Nxg4 15. axb5 axb5 16. Rxa8 Qxa8 17. Qxb5 h6 18. Qe2 Qa2 19. d3 Rf8 20. Qc2 Qf7 21. Qe2 Qh5 22. Nbd2 Bg5 23. Re1 Bxd2 24. Qxd2 Rxf3 25. gxf3 Nh2 26. Re3 Nxf3+ 27. Rxf3 Qxf3 28. b4 Kf7 29. Qa2+ Kf6 30. Qc4 Qg4+ 31. Kh2 Qh4+ 32. Kg2 Qg4+ 33. Kh2 1/2-1/2

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.18"]
[Round "2"]
[White "Porat, Yosef"]
[Black "Ree, Hans"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "53"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Be2 0-0 7. Nf3 e6 8. dxe6 Bxe6 9. Bf4 Qa5 10. 0-0 Nc6 11. Qd2 Rfe8 12. Rad1 Bg4 13. Bxd6 Rad8 14. Qf4 Qb4 15. e5 Bxf3 16. Bxf3 Nd7 17. Nd5 Qxb2 18. Rd2 Qa3 19. Nf6+ Nxf6 20. exf6 Bh8 21. Bxc6 bxc6 22. Be7 Rxd2 23. Qxd2 Qa6 24. Qd7 Qc8 25. Qxc8 Rxc8 26. Rb1 h6 27. f4 1-0

[Event "Nathanya Kait Festival-10"]
[Site "Nathanya"]
[Date "1968.06.17"]
[Round "1"]
[White "Porat, Yosef"]
[Black "Geller, Uzi"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "77"]
[EventDate "1968.06.17"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "ISR"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 b6 5. e4 Bxc3+ 6. bxc3 d6 7. Bd3 Nbd7 8. f4 e5 9. Nf3 0-0 10. 0-0 Nh5 11. fxe5 dxe5 12. Be3 Qe7 13. Rf2 c5 14. d5 Ndf6 15. h3 Ne8 16. Raf1 h6 17. g4 Nhf6 18. Rg2 Nh7 19. Kh2 g5 20. Ng1 Qd7 21. Ne2 h5 22. Ng3 h4 23. Nf5 Qd8 24. Rgf2 Nd6 25. Nxd6 Qxd6 26. Qd2 f6 27. Qd1 Bd7 28. Rb2 Rf7 29. Bc2 Kg7 30. Ba4 Bxa4 31. Qxa4 Rc8 32. Qa6 Rcc7 33. a4 Nf8 34. a5 Nd7 35. Rbf2 Nb8 36. Qb5 Nd7 37. Bxg5 a6 38. Qxa6 Nb8 39. Qxb6 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "13"]
[White "Bernstein, Yaacov"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "B11"]
[PlyCount "75"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Qf3 dxe4 4. Nxe4 Nd7 5. b3 Ngf6 6. Ng3 e6 7. Bb2 Qa5 8. Qd1 Ba3 9. Bxa3 Qxa3 10. Nf3 0-0 11. c4 e5 12. Qc2 Re8 13. Be2 e4 14. Nd4 Qc5 15. Qc3 Qe5 16. 0-0 Nc5 17. f4 exf3 18. Bxf3 Ne6 19. Nxc6 Qxc3 20. dxc3 bxc6 21. Bxc6 Rb8 22. Rxf6 Rd8 23. Rf2 Bb7 24. Bxb7 Rxb7 25. b4 g6 26. c5 f5 27. a4 a6 28. Re1 Ng5 29. h4 Nf7 30. Re6 Rd3 31. Ne2 Nh6 32. h5 Kf7 33. hxg6+ hxg6 34. Rxa6 Ng4 35. Rf1 Ne3 36. Nf4 Rxc3 37. Rb6 Rxb6 38. cxb6 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "5"]
[White "Czerniak, Moshe"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "78"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 Nc6 7. e4 dxe4 8. dxe4 e5 9. b3 Be6 10. Bb2 Nd7 11. Qe2 Bc5 12. Rad1 f6 13. Nc4 Ne7 14. Rd2 b5 15. Ne3 c6 16. Nf5 Qc7 17. N3h4 Rfd8 18. Qg4 Nxf5 19. exf5 Bf7 20. Rfd1 Nf8 21. Qe2 Rxd2 22. Rxd2 Rc8 23. g4 Qa5 24. g5 Qxa2 25. c4 Qxb3 26. gxf6 gxf6 27. Rd3 Qxc4 28. Rg3+ Ng6 29. Qe4 Rd8 30. Qxc4 Bxc4 31. Bxc6 Rd1+ 32. Kg2 Bf1+ 33. Kf3 Rd3+ 34. Ke4 Rxg3 35. fxg6 Rg4+ 36. Kd5 Rxh4 37. Kxc5 hxg6 38. Kd6 Rxh2 39. Ba3 Rxf2 0-1

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "3"]
[White "Gelfer, Israel"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "D41"]
[PlyCount "41"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 b6 12. 0-0 Bb7 13. Rfe1 Nc6 14. Rad1 Rc8 15. Qf4 Qf6 16. Qg4 Rfd8 17. d5 Ne7 18. dxe6 Rxd1 19. exf7+ Kf8 20. Rxd1 Rxc4 21. Ng5 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "15"]
[White "Neumann, Avraham"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "D08"]
[PlyCount "61"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Bf4 Nge7 6. Nbd2 Ng6 7. Bg3 h5 8. h3 h4 9. Bh2 Rh5 10. a3 Ngxe5 11. Nxe5 Nxe5 12. Bxe5 Rxe5 13. Nf3 Re4 14. Qb3 c5 15. 0-0-0 Qb6 16. Qxb6 axb6 17. e3 dxe3 18. Bd3 Re6 19. Nxh4 exf2 20. Rhf1 g6 21. Rxf2 Be7 22. Nf3 Bd7 23. Re1 Rxe1+ 24. Nxe1 Bc6 25. Kc2 Rd8 26. Re2 Kf8 27. Be4 Rd4 28. Bxc6 bxc6 29. b3 Bf6 30. Nf3 Rd7 31. a4 1/2-1/2

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "10"]
[White "Porat, Yosef"]
[Black "Aloni, Izak"]
[Result "1-0"]
[ECO "A50"]
[PlyCount "97"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Qc2 d6 5. e4 Nbd7 6. Nf3 g6 7. Be2 Bg7 8. e5 dxe5 9. dxe5 Ng4 10. e6 Nde5 11. exf7+ Nxf7 12. Bf4 0-0 13. Rd1 Qc8 14. 0-0 Nd6 15. Bg3 Nf5 16. Nd5 Bxd5 17. cxd5 Nxg3 18. hxg3 Qd7 19. Ng5 Nh6 20. Ne6 Rf7 21. Nxg7 Kxg7 22. Rc1 Rc8 23. Qc6 Qd6 24. Qxd6 exd6 25. Rc3 Re8 26. Bb5 Re5 27. Rfc1 Ree7 28. Ba6 Ng4 29. Rf3 Ne5 30. Rxf7+ Nxf7 31. f4 Nh6 32. Bc8 Nf7 33. Kf2 h5 34. g4 hxg4 35. Bxg4 a5 36. Rc3 Kf6 37. Re3 Rxe3 38. Kxe3 g5 39. g3 gxf4+ 40. gxf4 Nd8 41. Kd4 Nb7 42. a3 a4 43. Bd1 Kf5 44. Bxa4 Kxf4 45. b4 Nc5 46. bxc5 dxc5+ 47. Kc4 Ke4 48. Bc6 Ke5 49. Ba4 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "12"]
[White "Porat, Yosef"]
[Black "Bar Ziv, Izak"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "106"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 Nc6 7. d5 Na5 8. Nfd2 c5 9. a3 b5 10. b4 Nb7 11. c4 Qb6 12. Qb3 Bd7 13. Nc3 a6 14. 0-0 Rac8 15. Rfc1 Rc7 16. Nce4 Nxe4 17. Bxe4 Bxb2 18. Qxb2 Rfc8 19. Bd3 Nd8 20. Rc2 cxb4 21. axb4 bxc4 22. Nxc4 Qb5 23. Nxd6 Rxc2 24. Qxc2 Rxc2 25. Nxb5 Rb2 26. Nc3 Rxb4 27. Bxa6 f5 28. Rb1 Rxb1+ 29. Nxb1 e6 30. Nc3 exd5 31. Nxd5 Kg7 32. f3 Ne6 33. Bc4 Nc5 34. Nf4 Nb7 35. Kf2 Nd6 36. Bd5 Kf6 37. Nd3 h6 38. Ke3 Nb5 39. Nb4 Ke5 40. Bb7 Nd6 41. Bc6 Be6 42. Nd3+ Kf6 43. Kd4 Bb3 44. e4 fxe4 45. fxe4 Nc8 46. Bd5 Bc2 47. e5+ Kg7 48. Nc5 Ne7 49. Be4 Bd1 50. Nb7 Kf7 51. Nd8+ Ke8 52. Ne6 Kf7 53. Nc7 Bg4 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "14"]
[White "Porat, Yosef"]
[Black "Bubis, Leonidas"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "91"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 0-0 6. Bg5 Nc6 7. d5 Nb8 8. Qd2 c6 9. Bh6 cxd5 10. Bxg7 Kxg7 11. exd5 Nbd7 12. 0-0 Nc5 13. b4 Nce4 14. Nxe4 Nxe4 15. Qd4+ Nf6 16. c4 Kg8 17. Rfd1 b6 18. Rac1 Bb7 19. Rd2 b5 20. a4 bxc4 21. Bxc4 a5 22. b5 Nd7 23. Qe3 Rc8 24. Qh6 f6 25. Nd4 Rf7 26. Nc6 Qb6 27. Re2 Ne5 28. Qe3 Qxe3 29. Rxe3 Kf8 30. Rec3 Ra8 31. Bb3 Nd7 32. Nd4 Nb6 33. Ne6+ Kg8 34. Rc7 Rb8 35. Nd8 Bxd5 36. Bxd5 Nxd5 37. Nxf7 Kxf7 38. Ra7 Nb6 39. Rcc7 Nd5 40. Rcb7 Rc8 41. g3 Ke6 42. Rxa5 Ke5 43. b6 Ke4 44. Rxd5 Rc1+ 45. Kg2 Kxd5 46. Rc7 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "4"]
[White "Porat, Yosef"]
[Black "Domnitz, Zadok"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "41"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 f6 3. e4 Bxb4 4. Bc4 Ne7 5. Qh5+ Ng6 6. f4 exf4 7. Ne2 Qe7 8. Nbc3 c6 9. 0-0 Qc5+ 10. Qxc5 Bxc5+ 11. d4 Bb6 12. Rad1 Ne5 13. Bb3 g5 14. Na4 Ng4 15. Nxf4 gxf4 16. Rxf4 h5 17. Nxb6 axb6 18. h3 d6 19. hxg4 Bxg4 20. Rdf1 Nd7 21. d5 1/2-1/2

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "8"]
[White "Porat, Yosef"]
[Black "Kagan, Shimon"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "48"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 g6 5. Be2 Bg7 6. h4 Na6 7. h5 Nc7 8. Nf3 Bd7 9. a4 a6 10. Bg5 f6 11. Be3 b5 12. hxg6 hxg6 13. Rxh8 Bxh8 14. axb5 axb5 15. Rxa8 Qxa8 16. Nh4 Ne7 17. Bh5 gxh5 18. Qxh5+ Kd8 19. Qxh8+ Ne8 20. Qh5 Qa1+ 21. Kd2 Qxb2 22. Ng6 Nxg6 23. Qxg6 b4 24. Nd1 Qa2 0-1

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "6"]
[White "Porat, Yosef"]
[Black "Kraidman, Yair"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "114"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 b6 3. Bb2 Bb7 4. c4 g6 5. g3 Bg7 6. Bg2 0-0 7. 0-0 c5 8. d4 cxd4 9. Nxd4 Bxg2 10. Kxg2 d5 11. Nd2 e5 12. N4f3 e4 13. Ne5 d4 14. e3 dxe3 15. fxe3 Re8 16. Qc2 Qc7 17. Rxf6 Bxf6 18. Ng4 Bxb2 19. Qxb2 Nd7 20. Nh6+ Kf8 21. Qh8+ Ke7 22. Qxh7 Rf8 23. Rf1 Nf6 24. Rxf6 Kxf6 25. Nxe4+ Ke7 26. Ng4 Qc6 27. Ngf6 Rh8 28. Qg7 Rad8 29. Nd5+ Rxd5 30. cxd5 Qc2+ 31. Nf2 Rxh2+ 32. Kxh2 Qxf2+ 33. Kh3 Qf1+ 34. Kh2 Qe2+ 35. Kh1 Qxe3 36. d6+ Ke6 37. Qf8 Qe1+ 38. Kg2 Qd2+ 39. Kh3 Qxd6 40. Qe8+ Kf6 41. Qh8+ Ke7 42. Qh4+ Ke8 43. Qh8+ Kd7 44. Qa8 a5 45. Qb7+ Ke6 46. Qe4+ Kf6 47. Qa8 Qe6+ 48. Kh2 Qe2+ 49. Kh3 Kg7 50. Qb7 Qf2 51. Qc7 Qc5 52. Qd8 Qg1 53. Qc7 Qh1+ 54. Kg4 Qf1 55. Qe5+ Kh7 56. Kg5 Qf2 57. a4 f6+ 0-1

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "2"]
[White "Porat, Yosef"]
[Black "Peretz, Malkiel"]
[Result "1/2-1/2"]
[ECO "A79"]
[PlyCount "66"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 b6 13. Nc4 Ba6 14. Bf4 Nh5 15. Be3 f5 16. Qd2 Bxc3 17. bxc3 fxe4 18. Bg5 Qd7 19. f4 Bxc4 20. Bxc4 Ng7 21. Qe2 a6 22. Rfb1 b5 23. axb5 axb5 24. Rxa8 Rxa8 25. Bxb5 Nxb5 26. Rxb5 Re8 27. g4 Qa7 28. Kg2 e3 29. Kf3 Qa1 30. c4 Qh1+ 31. Kg3 Qg1+ 32. Kf3 Qh1+ 33. Kg3 Qg1+ 1/2-1/2

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "1"]
[White "Rom, Meir"]
[Black "Porat, Yosef"]
[Result "1-0"]
[ECO "C99"]
[PlyCount "109"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. Bb1 cxd4 14. cxd4 Bd7 15. Nf1 Rfe8 16. d5 Na5 17. Ng3 Rec8 18. Bd3 g6 19. Bh6 Bf8 20. Qd2 Bxh6 21. Qxh6 Qd8 22. Nh4 Kh8 23. Nf3 Qf8 24. Qd2 Nc4 25. Qe2 Nb6 26. Nh2 Qh6 27. Rad1 Rc7 28. b3 Rac8 29. Qb2 b4 30. Bxa6 Rc2 31. Qb1 R8c3 32. Bd3 Rd2 33. Rxd2 Qxd2 34. Rd1 Qh6 35. Qb2 Nh5 36. Ne2 Rc8 37. a4 f5 38. a5 fxe4 39. Bxe4 Nf6 40. Bf3 Na8 41. Nf1 Rc5 42. a6 Bb5 43. Qa2 Qg7 44. Ne3 Qa7 45. Ra1 Nc7 46. Nc4 Qxa6 47. Qb2 Bxc4 48. Rxa6 Bxa6 49. Nf4 Rc3 50. Ne6 Bb7 51. Qd2 Nxe6 52. dxe6 Bxf3 53. gxf3 Ne8 54. Qg5 Rxf3 55. Qe7 1-0

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "7"]
[White "Rosenberg, Arie"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "78"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. c3 e6 5. Bg2 Be7 6. 0-0 0-0 7. Nbd2 Nc6 8. dxc5 Bxc5 9. c4 Qe7 10. a3 a5 11. cxd5 exd5 12. Nb3 Bb6 13. Nbd4 Re8 14. Be3 Ne5 15. Nxe5 Qxe5 16. Nf3 Qd6 17. Bf4 Qe7 18. Be5 Bg4 19. Bxf6 Qxf6 20. Qd2 Rad8 21. h3 Bf5 22. e3 Bxh3 23. Bxh3 Qxf3 24. Bg2 Qf5 25. Rfe1 Re6 26. Rad1 Red6 27. Qd3 Qd7 28. Re2 a4 29. Bf3 g6 30. Kg2 h5 31. Red2 Ba5 32. Rc2 d4 33. exd4 Rxd4 34. Qxd4 Qxd4 35. Rxd4 Rxd4 36. Bxb7 Rd2 37. Be4 Kg7 38. Rxd2 Bxd2 39. Bc6 Bc1 1/2-1/2

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "9"]
[White "Smiltiner, Shlomo"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "104"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 e5 7. d3 c6 8. Nbd2 Qc7 9. c4 Re8 10. Qc2 c5 11. a3 Nc6 12. e3 a6 13. Rfd1 Bf5 14. Ng5 Rac8 15. Bc3 b5 16. Nge4 Nxe4 17. Nxe4 h6 18. Bb2 b4 19. Qd2 Bg4 20. f3 Bd7 21. axb4 Nxb4 22. Bc3 a5 23. Bxb4 axb4 24. Ra6 Bc6 25. Rda1 f5 26. Ra7 Qd8 27. Nf2 Re7 28. e4 Rxa7 29. Rxa7 Ra8 30. Qa2 Qb8 31. Rxa8 Qxa8 32. Qxa8+ Bxa8 33. Bh3 Kf7 34. Kf1 Kf6 35. Ke2 Bc6 36. Nd1 f4 37. Bc8 h5 38. Nb2 fxg3 39. hxg3 Bh6 40. Ba6 Bc1 41. Nd1 Bd7 42. Bb5 Be6 43. Be8 Bc8 44. Nf2 Bb2 45. Nd1 Bd4 46. Ne3 Bxe3 47. Kxe3 Be6 48. Kf2 Kg5 49. Kg2 h4 50. gxh4+ Kxh4 51. Bxg6 Bd7 52. f4 exf4 0-1

[Event "ISR-ch"]
[Site "Israel"]
[Date "1967.??.??"]
[Round "11"]
[White "Stepak, Yedael"]
[Black "Porat, Yosef"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "76"]
[EventDate "1967.12.11"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ISR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bxf3 7. Qxf3 g6 8. Qb3 Rb8 9. d3 Bg7 10. Be3 Ne7 11. Ba7 Ra8 12. Qxb7 Qc8 13. Qxc8+ Nxc8 14. Be3 Rb8 15. b3 f5 16. f3 Nd6 17. a4 Kd7 18. Nd2 h5 19. Rfd1 Bh6 20. Bxh6 Rxh6 21. Rab1 c5 22. Nc4 Ke6 23. exf5+ gxf5 24. Nd2 Rg6 25. Re1 f4 26. Nc4 Nxc4 27. dxc4 Rd8 28. Rbd1 Rgg8 29. Kf2 a5 30. Rxd8 Rxd8 31. Ke2 Rg8 32. Kf2 h4 33. Rd1 c6 34. Rd2 Ke7 35. Ke1 Ke6 36. Kd1 Rb8 37. Kc1 Rg8 38. Re2 Kf5 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.18"]
[Round "13"]
[White "Porat, Yosef"]
[Black "Bachtiar, Arovah"]
[Result "1/2-1/2"]
[ECO "E39"]
[PlyCount "45"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Indonesia"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "INA"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 Nc6 6. Nf3 Bxc5 7. Bg5 0-0 8. e3 Be7 9. Rd1 Qa5 10. Be2 d5 11. 0-0 dxc4 12. Bxc4 Ne5 13. Nxe5 Qxe5 14. Bf4 Qh5 15. h3 Bd7 16. Be2 Qc5 17. Bf3 Bc6 18. Bxc6 Qxc6 19. Qb3 Rac8 20. Rd2 Rfd8 21. Rfd1 Rxd2 22. Rxd2 a6 23. a4 1/2-1/2

[Event "Olympiad-17 Final B"]
[Site "Havana"]
[Date "1966.11.16"]
[Round "12"]
[White "Nilsson, Zandor"]
[Black "Porat, Yosef"]
[Result "0-1"]
[ECO "B18"]
[PlyCount "56"]
[EventDate "1966.11.04"]
[EventType "team-tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Israel"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "ISR"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 Nf6 7. N1e2 e5 8. 0-0 Nbd7 9. f4 exf4 10. Nxf4 Be7 11. h4 Nb6 12. Bb3 c5 13. c3 cxd4 14. cxd4 0-0 15. h5 Be4 16. Nxe4 Nxe4 17. Qd3 Nf6 18. h6 Nbd5 19. hxg7 Kxg7 20. Bxd5 Nxd5 21. Nh5+ Kh8 22. Bh6 Bg5 23. Bxf8 Be3+ 24. Qxe3 Nxe3 25. Bg7+ Kg8 26. Rf3 Qg5 27. Rg3 Qxh5 28. Be5+ Ng4 0-1

