| ECO A05 in 1952 play it! pietzsch wolfgan defeats white's poschauko carl by checkmate in 74 moves | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. e4 dxe4 7. Nfd2 Qc8 8. Nxe4 Nbd7 9. Nbc3 Be7 10. Re1 O-O 11. Qe2 c5 12. Bd2 a6 13. Rad1 Rd8 14. f3 Nb8 15. Bg5 Nc6 16. Qd2 Nd5 17. Bxe7 Ndxe7 18. Qg5 Ng6 19. h4 Nd4 20. h5 h6 21. Qd2 Ne5 22. Qf2 Qc7 23. Rc1 Rf8 24. Qe3 f5 25. Nd2 Nexf3+ 26. Nxf3 Nxf3+ 27. Kf2 Nxe1 28. Qxe6+ Kh8 29. Bxb7 Rae8 30. Qd5 Qe7 31. Kf1 Qe3 32. Rd1 f4 33. g4 Qh3+ 34. Kf2 Qg3+ 35. Kf1 f3 36. Ne4 Qg2+ 37. Kxe1 Qe2# |
| ECO A34 in 1962 play it! pietzsch wolfgan defeats white's garcia gilb in 54 moves | 1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. Bg2 d4 5. Ne4 Nxe4 6. Bxe4 e5 7. Bg2 Be7 8. d3 O-O 9. Nf3 Nc6 10. Bd2 f5 11. Qc1 e4 12. Ng1 exd3 13. exd3 f4 14. Be4 Bf5 15. gxf4 Qd7 16. Qd1 Rae8 17. Qc2 Bd6 18. O-O-O Bxe4 19. dxe4 Bxf4 20. Nf3 d3 21. Bxf4 dxc2 22. Rxd7 Rxf4 23. Nd2 Rxf2 24. Re1 Rxh2 25. Rxb7 Rd8 26. Nb3 Nb4 27. Rxb4 cxb4 |
| ECO A16 in 1960 play it! pietzsch wolfgan defeats white's burehall arne in 98 moves | 1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc7 7. d3 e5 8. O-O Be7 9. Be3 O-O 10. Rc1 b6 11. Nd2 Bb7 12. Nc4 f6 13. Qa4 Qd7 14. f4 exf4 15. Bxf4 Ne6 16. Be3 Ned4 17. Rf2 Rad8 18. a3 Rfe8 19. b4 Bf8 20. b5 Ne5 21. Nxe5 Rxe5 22. Bf4 Ree8 23. Qxa7 Bxg2 24. Qxd7 Rxd7 25. Kxg2 c4 26. dxc4 g5 27. Bxg5 fxg5 28. Nd5 Rxd5 29. cxd5 Bxa3 30. Rc7 Nxb5 31. Rb7 Nd6 32. Rd7 Bc5 33. Rf6 Rxe2+ 34. Kf1 Ne4 35. Rff7 Rxh2 36. Rg7+ Kf8 37. Rgf7+ Ke8 38. Rg7 Nxg3+ 39. Ke1 Bb4+ 40. Kd1 Rd2+ 41. Kc1 Ne2+ 42. Kb1 Nc3+ 43. Kc1 Ra2 44. Ra7 Ba3+ 45. Rxa3 Rxa3 46. Kb2 Nb5 47. Rxh7 Rd3 48. Rb7 Rxd5 49. Rxb6 Nd6 |
| ECO A36 in 1966 play it! pietzsch wolfgan defeats white's kotov alexander in 114 moves | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nh3 e5 7. O-O Nge7 8. f4 O-O 9. e4 Nd4 10. fxe5 dxe5 11. Be3 Bd7 12. Qd2 Qc8 13. Nf2 Qc7 14. Bh6 Qd6 15. Bxg7 Kxg7 16. Nfd1 a6 17. Ne3 b5 18. Rf2 Be6 19. Raf1 f6 20. h4 Rad8 21. Qc1 Rf7 22. Kh2 Rdf8 23. Qd1 Nc8 24. Bh3 Nb6 25. b3 Bd7 26. Bxd7 Qxd7 27. Kg2 f5 28. exf5 gxf5 29. Qh5 Qe6 30. Ned5 Nxd5 31. Nxd5 Kh8 32. Kh2 Rg7 33. g4 f4 34. Kh3 Rfg8 35. Rg1 Rg6 36. Re1 Rxg4 37. Kh2 f3 38. Kh1 Rg3 39. Nf4 Qf6 40. Qxe5 Qxe5 41. Rxe5 R3g4 42. Nh3 Rxh4 43. Kh2 Rg6 44. Re4 Rh5 45. Rxd4 cxd4 46. Rxf3 Kg7 47. Rf4 Re6 48. Kg2 Rg6+ 49. Kh2 Rgh6 50. Rf3 Rf6 51. Rg3+ Kf7 52. Kg2 Rg6 53. Rxg6 hxg6 54. Nf4 Re5 55. Nd5 bxc4 56. bxc4 Rxd5 57. cxd5 Kf6 |
| ECO A16 in 1958 play it! pietzsch wolfgan defeats white's popov luben in 80 moves | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Nge2 c5 7. O-O Nc6 8. Rb1 Bd7 9. a3 a5 10. d3 Nd4 11. Nxd4 cxd4 12. Ne2 e5 13. b4 axb4 14. Rxb4 Bc6 15. Rb1 Nd7 16. Bd2 Ba4 17. Qc1 Nc5 18. Qb2 Nxd3 19. Qxb7 Bc2 20. Ra1 Nc5 21. Qd5 Nb3 22. Bb4 Nxa1 23. Rxa1 Ra6 24. Ra2 Ba4 25. Nc1 Qa8 26. Bf1 Bc6 27. Qxd6 Bxe4 28. Qe7 Re8 29. Qg5 Rae6 30. Nb3 h6 31. Qd2 Bf3 32. Nc5 Rc6 33. Nb3 Rec8 34. c5 Bd5 35. Rb2 Qa4 36. Na5 e4 37. Nc4 e3 38. fxe3 Bxc4 39. Bxc4 dxe3 40. Qd5 Bxb2 |
| ECO A34 in 1950 play it! pietzsch wolfgan defeats white's nuesken fritz in 84 moves | 1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 e5 7. Nf3 Nc6 8. O-O Be7 9. Be3 O-O 10. Rc1 Rb8 11. Nd2 Nd4 12. f4 Nf5 13. Bf2 exf4 14. gxf4 b6 15. Nf3 Bf6 16. e4 Nd4 17. e5 Nxf3+ 18. Qxf3 Bh4 19. Ne4 Nb5 20. Qh5 Be7 21. Kh1 f6 22. Bh4 fxe5 23. Bxe7 Qxe7 24. fxe5 Bb7 25. Rg1 Kh8 26. Ng5 h6 27. Bxb7 Qxb7+ 28. Ne4 Nd4 29. Rg2 Ne6 30. Qg4 Qd5 31. Qg3 Rbd8 32. Nd6 Rf3 33. Qg6 Rdf8 34. Rcg1 Rf1 35. Qe4 Qxa2 36. Nc4 Qb1 37. Qg6 Ng5 38. Nd2 Rxg1+ 39. Rxg1 Qxb2 40. Ne4 Qxe5 41. Nxg5 hxg5 42. Qh5+ Kg8 |
| ECO A15 in 1960 play it! pietzsch wolfgan defeats white's andersen borge in 48 moves | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. Qc2 c5 9. cxd5 Nxd5 10. Nc3 Nc6 11. Nxd5 Qxd5 12. Qc4 Qh5 13. Qf4 Rad8 14. d3 Rfe8 15. Rfe1 e5 16. Nxe5 Bd6 17. Qa4 Bxe5 18. Bxe5 Rxe5 19. Bxc6 Rd4 20. Qxa7 Bxc6 21. Qb8+ Re8 22. Qxb6 Rd6 23. f3 Rh6 24. h4 Qe5 |
| ECO A16 in 1968 play it! pietzsch wolfgan defeats white's evans larry in 66 moves | 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c6 7. Bg5 a6 8. Qd2 b5 9. cxb5 axb5 10. b4 Nbd7 11. Nc1 Nb6 12. Nb3 Nc4 13. Bxc4 bxc4 14. Na5 Qb6 15. a3 Be6 16. Rd1 Rfc8 17. O-O c5 18. dxc5 dxc5 19. Be3 Qa6 20. e5 cxb4 21. axb4 Nd7 22. f4 Rab8 23. Rb1 Bf5 24. Rb2 f6 25. exf6 Nxf6 26. Rd1 Ne4 27. Nxe4 Bxe4 28. Ra2 c3 29. Qd7 Bf5 30. Qa4 c2 31. Rc1 Qe2 32. Bf2 Rd8 33. Qb3+ e6 |
| ECO A15 in 1951 play it! pietzsch wolfgan defeats white's nuesken fritz in 88 moves | 1. c4 Nf6 2. g3 c5 3. Bg2 d5 4. cxd5 Nxd5 5. d4 Nc6 6. dxc5 e6 7. Nc3 Nxc3 8. Qxd8+ Kxd8 9. bxc3 Bxc5 10. Nf3 f6 11. Nd2 Kc7 12. Nb3 Be7 13. Be3 Bd7 14. Nc5 Bxc5 15. Bxc5 Na5 16. Rb1 Bc6 17. f3 b6 18. Be3 Bd5 19. a3 Rac8 20. Kf2 Kb7 21. Bd2 Rhd8 22. Rhc1 Nc4 23. Be1 Nxa3 24. Ra1 Nb5 25. e4 Bc4 26. f4 e5 27. Bh3 Rc6 28. Ra4 Nd6 29. fxe5 fxe5 30. Rca1 a6 31. Kg1 b5 32. Rb4 Ne8 33. Bg4 Nf6 34. Bf3 Ra8 35. Rb2 Bd3 36. Rd1 Bxe4 37. Bxe4 Nxe4 38. Rd7+ Rc7 39. Rxc7+ Kxc7 40. Re2 Ng5 41. h4 Nf3+ 42. Kf2 Nxe1 43. Rxe1 Re8 44. Ke3 Kb6 |
| ECO A15 in 1962 play it! pietzsch wolfgan defeats white's najdorf miguel in 62 moves | 1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 7. d5 Na6 8. O-O Nc7 9. a4 Rb8 10. Bf4 a6 11. a5 b5 12. axb6 Rxb6 13. b3 e5 14. Bd2 Nh5 15. Ne1 f5 16. e4 f4 17. Nd3 Ne8 18. g4 f3 19. Bxf3 Nf4 20. Bxf4 Rxf4 21. Nxf4 exf4 22. Rc1 Be5 23. Kg2 Qh4 24. h3 Nf6 25. Na4 Rb4 26. Rb1 h5 27. Rh1 Bd4 28. Qe2 Nd7 29. Nb2 Rxb3 30. Na4 Ra3 31. Nb6 Ne5 |
| ECO A30 in 1961 play it! pietzsch wolfgan defeats white's eising johannes in 116 moves | 1. c4 c5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 g6 5. d3 Bg7 6. Bd2 O-O 7. Qc1 Re8 8. Bh6 Bh8 9. h4 Rb8 10. h5 Nd4 11. Nf3 Nf5 12. hxg6 hxg6 13. Bg5 Bg7 14. e4 Nd4 15. Nxd4 cxd4 16. Ne2 e5 17. Kf1 d6 18. Bh3 Bxh3+ 19. Rxh3 Qc8 20. Kg2 Nd7 21. Qd2 b5 22. b3 bxc4 23. bxc4 Qa6 24. Rhh1 Rb7 25. Qc2 f5 26. f3 Nc5 27. Rhb1 Rf7 28. Rf1 Ref8 29. Rfd1 Qc8 30. Nc1 fxe4 31. dxe4 Rc7 32. Nb3 Ne6 33. Bd2 Rxc4 34. Qd3 Ra4 35. Rdc1 Qa6 36. Qxa6 Rxa6 37. Rc2 d3 38. Rb2 Rb8 39. Rab1 Rab6 40. Be3 Nc5 41. Kf2 a5 42. Bc1 d2 43. Rxd2 a4 44. Nxc5 Rxb1 45. Nd3 Bh6 46. f4 exf4 47. gxf4 Bxf4 48. Nxf4 Rxc1 49. Rxd6 Rc3 50. Nd3 Kf7 51. Ke3 Ke7 52. Rd4 Rd8 53. Rxd8 Kxd8 54. Kd4 Ra3 55. Nf4 g5 56. Ne6+ Ke7 57. Nxg5 Rg3 58. Nh7 Rg7 |
| ECO B33 in 1951 play it! pietzsch wolfgan defeats white's seiffert ronny s in 126 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be7 8. Bg5 Nxe4 9. Bxe7 Nxc3 10. Bxd8 Nxd1 11. Rxd1 Kxd8 12. Rxd6+ Ke7 13. Rd2 b6 14. Bf3 Bd7 15. O-O Rac8 16. Re1 f6 17. Rxd7+ Kxd7 18. Bg4+ Ke7 19. Bxc8 Rxc8 20. c3 Rd8 21. Kf1 a5 22. Ke2 a4 23. Nd2 b5 24. Rc1 f5 25. f3 Ke6 26. b3 axb3 27. Nxb3 Ra8 28. Rc2 Na5 29. Nxa5 Rxa5 30. Kd2 Kd5 31. Rb2 Kc4 32. Rb4+ Kc5 33. Rb2 Ra6 34. Kd3 Rd6+ 35. Ke3 Rd1 36. Ke2 Rg1 37. Kd3 g5 38. h3 h5 39. Ke3 Rd1 40. Ke2 Rd6 41. Ke3 Ra6 42. Kd3 Ra4 43. Re2 Kd5 44. Rb2 Ra5 45. Re2 Ra6 46. Rb2 Kc5 47. Re2 Rd6+ 48. Kc2 Kd5 49. Rd2+ Ke6 50. Re2 f4 51. Re4 Kf5 52. c4 bxc4 53. Rxc4 g4 54. hxg4+ hxg4 55. Re4 Rh6 56. Re2 Rh2 57. Kd1 g3 58. Ke1 e4 59. fxe4+ Kg4 60. e5 f3 61. Re4+ Kf5 62. gxf3 Rh1+ 63. Ke2 g2 |
| ECO B67 in 1960 play it! pietzsch wolfgan defeats white's konci in 68 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Nxc6 Bxc6 11. Bd3 Be7 12. e5 dxe5 13. fxe5 Nd5 14. Bxe7 Qxe7 15. Ne4 O-O 16. Rhf1 f5 17. exf6 Nxf6 18. Qg5 Bxe4 19. Bxe4 Rad8 20. Qh4 Rxd1+ 21. Rxd1 Qc5 22. Bd3 e5 23. Re1 Re8 24. Qg5 Qd4 25. Qe3 Qd5 26. Kb1 Qxg2 27. a4 Qd5 28. Qg5 Re7 29. Rg1 Qd4 30. Ka2 Qxa4+ 31. Kb1 Qd4 32. Ka2 e4 33. Bxe4 Qxe4 34. Qxf6 Qa4+ |
| ECO B93 in 1965 play it! pietzsch wolfgan defeats white's zinn lothar in 66 moves | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Qc7 8. Be3 Be7 9. h3 O-O 10. g4 exf4 11. Bxf4 Qb6 12. Qd4 Qa5 13. Bd2 Nc6 14. Qe3 d5 15. g5 Nb4 16. gxf6 Nxc2+ 17. Ke2 Nxe3 18. fxe7 Nxf1 19. exf8=Q+ Kxf8 20. Raxf1 dxe4 21. Ng5 Bf5 22. Nxf7 Kg8 23. b4 Qxb4 24. Rxf5 Qc4+ 25. Kd1 e3 26. Rhf1 exd2 27. Kxd2 Qd4+ 28. Kc2 Rc8 29. R5f3 b5 30. a3 a5 31. Rd3 Qe4 32. Rf3 b4 33. axb4 axb4 |
| ECO B43 in 1962 play it! pietzsch wolfgan defeats white's boehnisch manfre in 48 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bf4 Bb7 7. Bxb5 axb5 8. Ndxb5 Na6 9. O-O Nf6 10. Re1 d5 11. e5 Nd7 12. Qg4 g5 13. Bxg5 Rg8 14. h4 h6 15. Qh5 hxg5 16. Qh7 Rg7 17. Qh8 Nxe5 18. Rxe5 gxh4 19. Rae1 Qf6 20. Qh5 O-O-O 21. R5e3 Qg6 22. Qxg6 Rxg6 23. Rh3 d4 24. Ne2 Bxg2 |
| ECO B33 in 1966 play it! pietzsch wolfgan defeats white's constantinou aga in 88 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O 9. O-O Bd7 10. f4 a6 11. Qf3 Qc7 12. Rae1 b5 13. a4 Rad8 14. g4 d5 15. exd5 Nxd4 16. Bxd4 Bc5 17. Bxc5 Qxc5+ 18. Kh1 exd5 19. Nxd5 Nxd5 20. Bxd5 Bxg4 21. Qxg4 Rxd5 22. Qg2 Rfd8 23. b4 Qd6 24. Qe4 g6 25. c4 Rd4 26. c5 Rxe4 27. cxd6 Rxe1 28. Rxe1 Rxd6 29. Re3 Rd4 30. Re8+ Kg7 31. Ra8 Rxf4 32. Rxa6 Rf2 33. Ra5 Ra2 34. Rxb5 Rxa4 35. Kg2 h6 36. Rb8 g5 37. b5 h5 38. b6 Rb4 39. b7 h4 40. h3 Kf6 41. Kf2 Kf5 42. Kg2 Kf4 43. Kf2 Rb2+ 44. Kf1 f6 |
| ECO B41 in 1969 play it! pietzsch wolfgan defeats white's packroff hermann in 56 moves | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 Be7 7. Bg2 a6 8. O-O Nbd7 9. f4 Nb6 10. a4 Qc7 11. Kh1 Bd7 12. e5 dxe5 13. fxe5 Qxe5 14. Bxb7 Ra7 15. Bf4 Qc5 16. Bg2 Nbd5 17. Nxd5 Nxd5 18. Nb3 Qc4 19. Bxd5 exd5 20. Qd4 Qxd4 21. Nxd4 O-O 22. b3 Bf6 23. Rad1 Re8 24. Rd2 Bh3 25. Rfd1 Rae7 26. Kg1 g5 27. Bd6 Re4 28. b4 Bg4 |
| ECO B33 in 1951 play it! pietzsch wolfgan defeats white's samarian sergiu in 80 moves | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6 bxc6 8. Qd3 Be6 9. Qg3 Be7 10. O-O O-O 11. f4 exf4 12. Bxf4 Qb6+ 13. Kh1 Rad8 14. Bg5 Kh8 15. e5 dxe5 16. Qh4 Rd4 17. Qg3 Qc7 18. Rae1 Qd6 19. a3 Nd7 20. Bxe7 Qxe7 21. Bf3 Bd5 22. Nxd5 cxd5 23. Bg4 Re4 24. Rxe4 dxe4 25. Bxd7 Qxd7 26. Qe3 Qd4 27. Re1 f5 28. g3 Rd8 29. c3 Qxe3 30. Rxe3 Rd1+ 31. Kg2 Rd2+ 32. Kh3 Rxb2 33. g4 g6 34. gxf5 gxf5 35. Kh4 h6 36. Kh5 Kh7 37. h4 Rh2 38. c4 Kg7 39. Rb3 f4 40. Rb7+ Kf6 |
| ECO B23 in 1967 play it! pietzsch wolfgan defeats white's calero c in 58 moves | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. d3 e6 6. Be2 Nge7 7. O-O d6 8. Qe1 O-O 9. Bd1 b6 10. Kh1 Bb7 11. Qh4 Nd4 12. Ne2 Nxf3 13. gxf3 f5 14. c3 c4 15. Bc2 cxd3 16. Bxd3 fxe4 17. fxe4 d5 18. Qh3 dxe4 19. Qxe6+ Kh8 20. Bc2 Nf5 21. Bb3 Qd3 22. Bc4 Rae8 23. Kg1 Rxe6 24. Bxd3 exd3 25. Ng3 Nxg3 26. hxg3 Re2 27. Rf2 Rfe8 28. f5 Re1+ 29. Rf1 R8e2 |
| ECO B23 in 1967 play it! pietzsch wolfgan defeats white's schoneberg manfr in 34 moves | 1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O d6 9. h3 O-O 10. Bb3 Bd7 11. Qd3 Rac8 12. f4 a6 13. Rae1 Qh5 14. Nf3 Na5 15. e5 Bf5 16. exf6 Bxd3 17. fxg7 Bxf1 |