[Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1967.12.27"] [Round "1"] [White "Karpov, Anatoly"] [Black "Schaufelberger, Heinz"] [Result "1-0"] [ECO "B25"] [PlyCount "59"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 Qd7 7. Be3 b6 8. f4 Bb7 9. O-O Nd4 10. Qd2 h5 11. h3 f5 12. Bf2 O-O-O 13. Nxd4 Bxd4 14. Bxd4 cxd4 15. Ne2 e5 16. c3 h4 17. cxd4 hxg3 18. dxe5 Ne7 19. Qc3+ Kb8 20. Nxg3 fxe4 21. dxe4 d5 22. Rad1 d4 23. Qd2 Rxh3 24. Bxh3 Qxh3 25. Qg2 Qh4 26. Rf3 Rh8 27. Rxd4 Nf5 28. exf5 gxf5 29. Rdd3 Rg8 30. Qh2 1-0 [Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1967.12.28"] [Round "2"] [White "Karpov, Anatoly"] [Black "Maeder, Karl Heinz"] [Result "1-0"] [ECO "B25"] [PlyCount "61"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5 7. Nd5 Nge7 8. Ne3 Be6 9. O-O O-O 10. Nc3 Rb8 11. Ncd5 Bxd5 12. exd5 Nd4 13. a4 Ndf5 14. Nc4 h5 15. Bd2 Nh6 16. b4 Ng4 17. Rb1 Nf6 18. Bg5 cxb4 19. Rxb4 Qd7 20. Bxf6 Bxf6 21. a5 h4 22. c3 Kg7 23. Qb3 Rh8 24. Rb1 hxg3 25. hxg3 Qf5 26. Nxd6 Qxd3 27. Nxb7 Rbc8 28. c4 Qe2 29. Nd6 Rcd8 30. Ne4 Qh5 31. Qf3 1-0 [Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1967.12.28"] [Round "3"] [White "Adorjan, Andras"] [Black "Karpov, Anatoly"] [Result "1/2-1/2"] [ECO "C68"] [PlyCount "20"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. c3 Qd3 8. hxg4 hxg4 9. Nxe5 Bd6 10. Nxd3 Bh2+ 1/2-1/2 [Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1967.12.29"] [Round "4"] [White "Karpov, Anatoly"] [Black "Ligterink, Gert"] [Result "1/2-1/2"] [ECO "B20"] [PlyCount "24"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. e4 c5 2. g3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nc6 6. Be3 b6 7. Nd2 g6 8. c3 Bg7 9. f3 Nf6 10. Nh3 O-O 11. Kc2 Bb7 12. Rd1 Rfd8 1/2-1/2 [Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1967.12.30"] [Round "5"] [White "Zara, Dan"] [Black "Karpov, Anatoly"] [Result "1/2-1/2"] [ECO "C42"] [PlyCount "39"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Bg5 Nbd7 8. Nc3 h6 9. Bh4 Qxe2+ 10. Bxe2 Be7 11. O-O-O a6 12. Rhe1 O-O 13. Bf1 Re8 14. Ne4 Kf8 15. Nxf6 Bxf6 16. Rxe8+ Kxe8 17. Re1+ Kf8 18. Bxf6 Nxf6 19. h3 Bd7 20. Kd2 1/2-1/2 [Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1967.12.30"] [Round "6"] [White "Timman, Jan H"] [Black "Karpov, Anatoly"] [Result "1/2-1/2"] [ECO "D03"] [PlyCount "35"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 Nbd7 5. e3 Be7 6. Bd3 O-O 7. Qe2 c5 8. c3 b6 9. Ne5 Nxe5 10. dxe5 Nd7 11. Bxe7 Qxe7 12. f4 f5 13. exf6 Rxf6 14. e4 Bb7 15. O-O Raf8 16. exd5 Bxd5 17. Rae1 Rxf4 18. Bxh7+ 1/2-1/2 [Event "Niemeyer U21 prel 6th"] [Site "Groningen"] [Date "1968.01.01"] [Round "7"] [White "Karpov, Anatoly"] [Black "Hostalet Ferrer, Pedro Enrique"] [Result "1/2-1/2"] [ECO "D03"] [PlyCount "22"] [EventDate "1967.12.27"] [EventType "swiss"] [EventRounds "7"] [EventCountry "NED"] [SourceTitle "EXT 2000"] [Source "ChessBase"] [SourceDate "1999.11.16"] [SourceVersion "1"] [SourceVersionDate "1999.11.16"] [SourceQuality "1"] 1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. Nbd2 Nbd7 5. e3 Be7 6. Bd3 c5 7. c3 cxd4 8. exd4 Qc7 9. O-O O-O 10. Re1 a6 11. Nf1 b5 1/2-1/2