[Event "ISR-chT 1011"]
[Site "Israel"]
[Date "2011.03.04"]
[Round "3.5"]
[White "Nakar, Eylon"]
[Black "Koski, Avraham"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2283"]
[BlackElo "2262"]
[PlyCount "83"]
[EventDate "2010.12.24"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Petah Tikva Hapoel"]
[BlackTeam "Tel Aviv Shlomo Har Zvi"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "ISR"]

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 Ngf6 12. 0-0-0 e6 13. c4 0-0-0 14. Kb1 Nb8 15. Ne4 Be7 16. g3 Na6 17. Qe2 Rhf8 18. Bf4 Qa5 19. Ne5 Nxe4 20. Qxe4 Bf6 21. Rd3 Bxe5 22. Bxe5 f6 23. Bf4 Rfe8 24. Ra3 Qf5 25. Qxf5 exf5 26. Be3 Kb8 27. Ra5 c5 28. d5 Rc8 29. a3 Re4 30. Rc1 Kc7 31. Bxc5 Kd7 32. Bxa7 Rcxc4 33. Rxc4 Rxc4 34. Rb5 Kc8 35. d6 Rc6 36. d7+ Kxd7 37. Rxb7+ Kc8 38. Rxg7 Re6 39. Be3 f4 40. Bxf4 Re1+ 41. Ka2 Rh1 42. g4 1-0

[Event "Baltic Sea tt4 corr"]
[Site "corr"]
[Date "1980.??.??"]
[Round "?"]
[White "Koski, Avraham"]
[Black "Wagner"]
[Result "0-1"]
[ECO "E81"]
[PlyCount "80"]
[EventDate "1980.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. Rc1 b5 8. Bd3 Nbd7 9. Nge2 0-0 10. 0-0 e5 11. cxb5 axb5 12. a3 exd4 13. Nxd4 Ne5 14. Be2 Bd7 15. Nc2 Qe7 16. Rf2 Be6 17. Bg5 h6 18. Bxf6 Bxf6 19. Ne3 Qa7 20. Qd2 Rfd8 21. f4 Nc4 22. Bxc4 Bxc4 23. Kh1 d5 24. Nxc4 dxc4 25. Qe1 Bxc3 26. Rxc3 Rd1 27. Qxd1 Qxf2 28. Rc2 Qxf4 29. Qf3 Rd8 30. h3 Qxf3 31. gxf3 Kf8 32. Kg2 Ke7 33. Kf2 Ke6 34. f4 Rd3 35. h4 h5 36. a4 Kd6 37. Ke2 Kc5 38. a5 b4 39. Rd2 Rxd2+ 40. Kxd2 Kb5 0-1

[Event "USA grand nat corr"]
[Site "USA"]
[Date "1978.??.??"]
[Round "?"]
[White "Carlson, Curtis W"]
[Black "Koski, Avraham"]
[Result "1-0"]
[ECO "B92"]
[PlyCount "61"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 b6 10. Qd3 Bb7 11. Rd1 Nc6 12. Bg5 Ne8 13. Bxe7 Nxe7 14. Nd2 f5 15. Nc4 fxe4 16. Nxe4 d5 17. Nxe5 Qc7 18. Ng5 Rf5 19. Nef3 Nf6 20. Qe3 Bc8 21. Bd3 Ng4 22. Qd2 Rf6 23. Bxh7+ Kh8 24. Re1 Rxf3 25. gxf3 Qxh2+ 26. Kf1 Ne5 27. Rxe5 Bh3+ 28. Nxh3 Qxe5 29. Bd3 Qxb2 30. Re1 Nc6 31. Qg5 1-0

[Event "WchT Students 19th final A"]
[Site "Graz"]
[Date "1972.07.29"]
[Round "9.3"]
[White "Koski, Avraham"]
[Black "Vadasz, Laszlo"]
[Result "1-0"]
[ECO "E63"]
[BlackElo "2380"]
[PlyCount "86"]
[EventDate "1972.07.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Hungary"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "HUN"]

1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. Nc3 a6 8. h3 Rb8 9. Nd5 Nd7 10. Be3 Na5 11. b3 c6 12. Nc3 b5 13. cxb5 axb5 14. Rc1 Nb6 15. Qd2 b4 16. Nd1 Nd7 17. Bh6 Ba6 18. Bxg7 Kxg7 19. Ne3 Nf6 20. Ng4 Ng8 21. Rfe1 h6 22. e4 Bc8 23. e5 Be6 24. Qf4 Qd7 25. Nfh2 Rfd8 26. h4 Rbc8 27. Ne3 Nb7 28. Rc2 d5 29. Rec1 Rc7 30. Nf3 Ra8 31. Ne1 Ra5 32. Nd3 Rb5 33. Qf3 Rc8 34. Qe2 Qc7 35. Qd2 Qb6 36. Bf1 Qxd4 37. Rxc6 Rxc6 38. Rxc6 Na5 39. Rc2 Rb6 40. Qc1 Bd7 41. Rc5 Rb5 42. Nxd5 Rxc5 43. Qxc5 Nc6 1-0

[Event "WchT Students 19th final A"]
[Site "Graz"]
[Date "1972.07.28"]
[Round "8.2"]
[White "Koski, Avraham"]
[Black "Kristiansen, Jens"]
[Result "1/2-1/2"]
[ECO "D25"]
[BlackElo "2360"]
[PlyCount "94"]
[EventDate "1972.07.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "DEN"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 Nbd7 8. Nc3 Nb6 9. Be2 Be7 10. Bd2 0-0 11. Rd1 c6 12. 0-0 Qc7 13. f4 Nfd5 14. Ne4 Nd7 15. Rc1 h6 16. f5 exf5 17. Qxd5 fxe4 18. Qxe4 Nf6 19. Qg2 Rfd8 20. Kh1 Nd5 21. Rg1 Bf8 22. Bc4 Qd6 23. Qf3 Rd7 24. Rg3 Re8 25. a3 Qe6 26. Bd3 Qf6 27. Bf5 Rdd8 28. Be4 Qxf3+ 29. Bxf3 Nf6 30. Rgg1 Ne4 31. Be1 g6 32. Kg2 Bd6 33. Bd1 f5 34. f3 Nf6 35. Bf2 Re7 36. Re1 Rde8 37. Bc2 Bc7 38. Bb1 Kg7 39. Kg1 Bb6 40. Bc2 Nd5 41. e4 fxe4 42. Rxe4 Rxe4 43. fxe4 Nf6 44. d5 Bxf2+ 45. Kxf2 cxd5 46. exd5 Nxd5 47. Bb3 Rd8 1/2-1/2

[Event "WchT Students 19th final A"]
[Site "Graz"]
[Date "1972.07.26"]
[Round "6.3"]
[White "Koski, Avraham"]
[Black "Atanasov, Petko"]
[Result "0-1"]
[ECO "A37"]
[BlackElo "2450"]
[PlyCount "84"]
[EventDate "1972.07.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "BUL"]

1. Nf3 g6 2. c4 Bg7 3. g3 c5 4. Bg2 Nc6 5. Nc3 d6 6. d3 e5 7. Bd2 Nge7 8. 0-0 0-0 9. Ne1 Be6 10. Nd5 Qd7 11. Rb1 Bh3 12. Bh6 Bxg2 13. Nxg2 Nxd5 14. Bxg7 Kxg7 15. cxd5 Nb4 16. Qb3 a5 17. a4 b5 18. axb5 Qxb5 19. Ne3 a4 20. Qc3 Qb7 21. Qc4 f5 22. Qh4 Nxd5 23. Nc4 Qc7 24. e4 Nb6 25. exf5 Rxf5 26. Ne3 Rf3 27. Qe4 Raf8 28. Nd5 Nxd5 29. Qxd5 Qb6 30. Rbd1 Qxb2 31. Rb1 Qd4 32. Rb7+ R3f7 33. Rxf7+ Rxf7 34. Qa2 h5 35. Re1 a3 36. Re2 Ra7 37. Kg2 Qxd3 38. Re3 Qa6 39. h4 Qb7+ 40. Kg1 Qb2 41. Qe6 a2 42. Rf3 a1Q+ 0-1

[Event "WchT Students 19th final A"]
[Site "Graz"]
[Date "1972.07.25"]
[Round "5.2"]
[White "Koski, Avraham"]
[Black "Markland, Peter Richard"]
[Result "1/2-1/2"]
[ECO "A37"]
[BlackElo "2420"]
[PlyCount "102"]
[EventDate "1972.07.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "England"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "ENG"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 e5 6. Nc3 Nge7 7. Bd2 a6 8. 0-0 0-0 9. Ne1 Rb8 10. f4 d6 11. fxe5 dxe5 12. Kh1 f6 13. Ne4 b6 14. Rb1 a5 15. a3 f5 16. Nc3 Bb7 17. Nd5 h6 18. b4 axb4 19. axb4 Nxb4 20. Nxb4 cxb4 21. Bxb4 Rf7 22. Bc3 Bxg2+ 23. Nxg2 Nc6 24. Qa4 Nd4 25. Bxd4 Qxd4 26. Qc6 Rf6 27. Qc7 Qd6 28. Qxd6 Rxd6 29. Ne3 e4 30. Nd5 exd3 31. exd3 Bd4 32. Rf4 Be5 33. Rf2 Bd4 34. Re2 Ra8 35. Re7 Ra1 36. Rxa1 Bxa1 37. Rb7 Bd4 38. Kg2 Bc5 39. Kf3 Re6 40. h4 Kh8 41. Rd7 Re1 42. Nf6 Be7 43. Nd5 Bc5 44. Rb7 g5 45. Nf6 Re3+ 46. Kg2 Re2+ 47. Kf1 Re7 48. Rb8+ Kg7 49. Nd5 Re6 50. h5 Kf7 51. Rb7+ Kf8 1/2-1/2

[Event "WchT Students 19th final A"]
[Site "Graz"]
[Date "1972.07.22"]
[Round "2.3"]
[White "Koski, Avraham"]
[Black "Vaganian, Rafael A"]
[Result "0-1"]
[ECO "A12"]
[BlackElo "2510"]
[PlyCount "66"]
[EventDate "1972.07.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "URS"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Bf5 5. Nbd2 e6 6. 0-0 h6 7. c4 Nbd7 8. b3 Be7 9. Bb2 0-0 10. Qc2 a5 11. a3 Bh7 12. Rac1 Bd6 13. e4 dxe4 14. Nxe4 Nxe4 15. dxe4 Qe7 16. Rfd1 Rfd8 17. Ra1 Nf6 18. Bxf6 gxf6 19. a4 Bc5 20. Nh4 Bd4 21. Rab1 Rd7 22. Kh1 Rad8 23. f4 f5 24. e5 Be3 25. Nf3 Bg6 26. Nh4 Bh5 27. Bf3 Qxh4 28. Qe2 Bxf3+ 29. Qxf3 Rxd1+ 30. Rxd1 Rxd1+ 31. Qxd1 Qg4 32. Qf1 h5 33. Kg2 h4 0-1

[Event "WchT Students 19th Group1"]
[Site "Graz"]
[Date "1972.07.19"]
[Round "4.1"]
[White "Gouveia, Carlos Eduardo"]
[Black "Koski, Avraham"]
[Result "1/2-1/2"]
[ECO "B12"]
[PlyCount "80"]
[EventDate "1972.07.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Israel"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "ISR"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. Qxd3 Qa5+ 10. Nd2 Qa6 11. Qe3 Nd7 12. f4 c5 13. Nf3 cxd4 14. Nxd4 Bc5 15. c3 Ne7 16. Qf2 f6 17. exf6 Nxf6 18. Be3 Ng4 19. Qe2 Nxe3 20. Qxe3 Bxd4 21. Qxd4 0-0 22. Rf1 Rac8 23. b3 Qa5 24. Rf3 Nc6 25. Qd2 e5 26. Ne2 d4 27. cxd4 Nb4 28. Rc1 Rxc1+ 29. Nxc1 e4 30. Rc3 e3 31. Rxe3 Nc2+ 32. Ke2 Qxd2+ 33. Kxd2 Nxe3 34. Kxe3 Re8+ 35. Kd2 Kf7 36. g4 Ke6 37. Kd3 Kd6 38. Ne2 b5 39. Ng3 Kd5 40. Nf5 Rf8 1/2-1/2

[Event "WchT Students 19th Group1"]
[Site "Graz"]
[Date "1972.07.18"]
[Round "3.3"]
[White "Huss, Andreas"]
[Black "Koski, Avraham"]
[Result "0-1"]
[ECO "D68"]
[WhiteElo "2360"]
[PlyCount "82"]
[EventDate "1972.07.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Israel"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "ISR"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 c6 6. e3 0-0 7. Rc1 Nbd7 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. 0-0 Nxc3 12. Rxc3 e5 13. Qc2 e4 14. Nd2 Nf6 15. a3 Bf5 16. b4 h5 17. Rc1 a6 18. Qb2 Be6 19. Bxe6 Qxe6 20. Nb3 Nd5 21. Nc5 Qe7 22. Rb3 Rad8 23. a4 Rd6 24. Qe2 g6 25. b5 cxb5 26. axb5 a5 27. Na4 Nb4 28. Rbc3 b6 29. Rc8 Nd3 30. Rxf8+ Kxf8 31. Rc8+ Kg7 32. Qc2 Rf6 33. f4 Qb4 34. Nc3 Rf5 35. h3 h4 36. Rc6 Rxb5 37. Nxe4 Qe1+ 38. Kh2 Qxe3 39. Nd2 Qxf4+ 40. Kh1 Nf2+ 41. Kg1 Nxh3+ 0-1

[Event "WchT Students 19th Group1"]
[Site "Graz"]
[Date "1972.07.17"]
[Round "2.3"]
[White "Koski, Avraham"]
[Black "Tukmakov, Vladimir B"]
[Result "0-1"]
[ECO "D24"]
[BlackElo "2560"]
[PlyCount "46"]
[EventDate "1972.07.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "URS"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 Nc6 6. e3 Na5 7. Be2 g6 8. Ne5 Be6 9. g4 Bg7 10. h3 c5 11. Nf3 0-0 12. Ng5 Bd7 13. d5 Nb3 14. Rb1 b5 15. e4 b4 16. Na2 h6 17. Nxf7 Rxf7 18. e5 Ne4 19. e6 Rf8 20. Qc2 Nxf2 21. Rf1 Nd4 22. Qd2 Ne4 23. Qe3 Nc2+ 0-1

[Event "WchT Students 19th Group1"]
[Site "Graz"]
[Date "1972.07.16"]
[Round "1.3"]
[White "Valenti, Giuseppe"]
[Black "Koski, Avraham"]
[Result "0-1"]
[ECO "B99"]
[PlyCount "76"]
[EventDate "1972.07.16"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "AUT"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Italy"]
[BlackTeam "Israel"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "ISR"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. g4 b5 11. a3 Bb7 12. Bxf6 Nxf6 13. g5 Nd7 14. h4 Rc8 15. g6 hxg6 16. h5 g5 17. fxg5 Bxg5+ 18. Kb1 Bf6 19. Bxb5 axb5 20. Ndxb5 Qb6 21. Nxd6+ Ke7 22. Na4 Qc6 23. Nxc8+ Rxc8 24. Qc3 Rc7 25. Qb4+ Ke8 26. Rh2 Qxe4 27. Qa5 Bd8 28. Qb5 Bc6 29. Nc3 Qf4 30. Qe2 Bf6 31. Rf2 Qe5 32. Qd2 Rb7 33. Ka1 Qa5 34. Re1 Qc5 35. Qe3 Qxe3 36. Rxe3 Be5 37. Rfe2 Bxc3 38. Rxc3 Nf6 0-1

[Event "WchT Students 18th final A"]
[Site "Mayaguez"]
[Date "1971.07.??"]
[Round "7"]
[White "Razuvaev, Yuri S"]
[Black "Koski, Avraham"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "31"]
[EventDate "1971.07.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Soviet Union"]
[BlackTeam "Israel"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "ISR"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. dxc6 Bxc6 6. Nc3 e6 7. e4 Bb4 8. f3 f5 9. Bc4 fxe4 10. 0-0 exf3 11. Bxe6 Qf6 12. d5 f2+ 13. Kh1 Bxc3 14. dxc6 Qxe6 15. cxb7 Rd8 16. Qxd8+ 1-0

