[Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.15"] [Round "-"] [White "PankracyRozumek"] [Black "erikbrynolfson"] [Result "1-0"] [ECO "C17f"] [WhiteCountry "POL"] [BlackCountry "USA"] [WhiteElo "1894"] [WhiteRD "85"] [BlackElo "1827"] [BlackRD "78"] [GameID "278412"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bxd2+ 7. Qxd2 Nc6 8. f4 Ke7 9. Nf3 Qb6 10. O-O-O Nh6 11. h3 Nf5 12. Nfxd4 Nfxd4 13. Nxd4 Qxd4 14. Qxd4 Nxd4 15. Rxd4 Bd7= 16. g4 f6 17. g5 fxe5 18. fxe5 Rhf8 19. Bd3 g6 20. Kd2 Rf2+ 21. Ke1 Raf8 22. Rf1 Rxf1+ 23. Bxf1 Rf5 24. h4 Rxe5+ 25. Kd2 Rf5 26. Bd3 Rf2+ 27. Ke3 Rh2 28. Kf3 Bc6 29. Kg3 Rh1 30. Rf4 e5 31. Rf1 Rxf1 32. Bxf1 e4 33. c3 Kd6 34. Kf4 a6 35. Be2 b5 36. b4 Bd7 37. h5 Bf5 38. Bd1 d4 39. hxg6 hxg6 40. cxd4 Kd5 41. Ke3 Kc4 42. Bc2 Kxb4 43. Bxe4 Be6 44. d5 Bf7 45. d6 Be8 46. Bxg6 1-0 [Event "CT Class 2 #78"] [Site "SchemingMind.com"] [Date "2011.05.23"] [Round "-"] [White "erikbrynolfson"] [Black "capablanca"] [Result "1-0"] [ECO "A01"] [WhiteCountry "USA"] [BlackCountry "GER"] [WhiteElo "1827"] [WhiteRD "78"] [BlackElo "1642"] [BlackRD "52"] [GameID "284821"] 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 Qe7 6. Nf3 e4 7. Bxg7 exf3 8. Qxf3 Nf6 9. Bxh8 Bg4 10. Bxc6+ 1-0 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.21"] [Round "-"] [White "tiggeronvrb"] [Black "erikbrynolfson"] [Result "0-1"] [ECO "C00e"] [WhiteCountry "SCO"] [BlackCountry "USA"] [WhiteElo "1821"] [WhiteRD "67"] [BlackElo "1827"] [BlackRD "78"] [GameID "278847"] 1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Qxd5 5. Nc3 Qe6+ 6. Be2 Nf6 7. d4 Bb4 8. Nf3 O-O 9. O-O Bxc3 10. bxc3 b6 11. Re1 Qd6 12. a4 Bb7 13. Qb3 Nbd7 14. Ba3 c5 15. Rad1 Qc7 16. dxc5 Nxc5 17. Qc4 Rac8 18. Nd4 Ba6 19. Nb5 Bxb5 20. axb5 Rfe8 21. Bf3 Rxe1+ 22. Rxe1 Ne6 23. Qxc7 Rxc7 24. Rc1 h6 25. Kf1 Nf4 26. Bd6 Rc4 27. Bb8 N4d5 28. Bxa7 Rxc3 29. Rxc3 Nxc3 30. Bxb6 Nxb5 31. Ke2 Nd7 32. Be3 Ne5 33. Bd5 Nc3+ 0-1 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.22"] [Round "-"] [White "erikbrynolfson"] [Black "John Hamer"] [Result "0-1"] [ECO "D37g"] [WhiteCountry "USA"] [BlackCountry "ENG"] [WhiteElo "1827"] [WhiteRD "78"] [BlackElo "2024"] [BlackRD "62"] [GameID "278804"] 1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. e3 Be7 5. Nf3 O-O 6. Bd3 Nbd7 7. b3 b6 8. Bb2 Bb7 9. cxd5 exd5 10. O-O c5 11. Ne2 Re8 12. Ng3 Ne4 13. Bxe4 dxe4 14. Nd2 Nf6 15. dxc5 Bxc5 16. Qc2 Rc8 17. Rad1 Ng4 18. Qc3 Bf8 19. Qd4 Qh4 20. h3 Red8 21. Qa4 Nxf2 22. Kxf2 Bd6 23. Nxe4 Rc2+ 24. Kg1 Rxg2+ 25. Kxg2 Qxg3+ 0-1 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.21"] [Round "-"] [White "John Hamer"] [Black "erikbrynolfson"] [Result "1-0"] [ECO "E21"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "2024"] [WhiteRD "62"] [BlackElo "1827"] [BlackRD "78"] [GameID "278801"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. cxd5 exd5 7. e3 Bg4 8. Be2 Bxf3 9. Bxf3 c6 10. O-O Nbd7 11. Qb3 Bxc3 12. bxc3 b5 13. e4 dxe4 14. Bxe4 Qc7 15. Bf3 a5 16. a4 bxa4 17. Qxa4 Nd5 18. c4 N5b6 19. Qc2 Ra7 20. Bd2 Rfa8 21. Rfb1 a4 22. Bb4 Qf4 23. Bxc6 Qxd4 24. Bxa8 Rxa8 25. c5 Rc8 26. c6 Ne5 27. Bc5 Qg4 28. Rxb6 1-0 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.16"] [Round "-"] [White "erikbrynolfson"] [Black "PankracyRozumek"] [Result "0-1"] [ECO "E41"] [WhiteCountry "USA"] [BlackCountry "POL"] [WhiteElo "1827"] [WhiteRD "78"] [BlackElo "1894"] [BlackRD "85"] [GameID "278414"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 b6 6. Bd3 Bb7 7. Bd2 O-O 8. O-O d5 9. Qc2 dxc4 10. Bxc4 Bxf3 11. gxf3 cxd4 12. Ne4 Bxd2 13. Nxd2 dxe3 14. fxe3 Nbd7 15. a4 Rc8 16. b3 Nd5 17. Rfe1 Qg5+ 18. Kf2 Ne5 19. Qe4 Rfd8 20. h4 Qf6 21. Rg1 Nc3 22. Qc2 Qxh4+ 23. Rg3 Nd5 24. Rg1 g6 25. Qb1 Nxe3 26. Kxe3 Qd4+ 27. Ke2 Qxd2+ 28. Kf1 Qd1+ 29. Kg2 Rd2+ 30. Kh3 Qxb1 31. Rxb1 Nxc4 0-1 [Event "Pyramid challenge 2"] [Site "SchemingMind.com"] [Date "2011.02.19"] [Round "-"] [White "mebalse"] [Black "erikbrynolfson"] [Result "1/2-1/2"] [ECO "C02c"] [WhiteCountry "URU"] [BlackCountry "USA"] [WhiteElo "1887"] [WhiteRD "95"] [BlackElo "1827"] [BlackRD "78"] [GameID "276306"] 1. e4 e6 2. d4 d5 3. e5 c5 4. Be3 Qb6 5. b3 Nc6 6. c3 Bd7 7. dxc5 Bxc5 8. Bxc5 Qxc5 9. Nf3 Nge7 10. b4 Qb6 11. Bd3 Nf5 12. a3 O-O 13. Nbd2 Rac8 14. Nb3 a5 15. b5 Nce7 16. g4 Nh6 17. Qc2 g6 18. g5 Nhf5 19. a4 Rc7 20. Qd2 Rfc8 21. Rc1 Rc4 22. Bxc4 Rxc4 23. Nbd4 Rxa4 24. c4 Nxd4 25. Nxd4 Rxc4 26. Rxc4 dxc4 27. O-O Nd5 28. Rb1 Nb4 29. Nc2 Qxb5 30. Nxb4 axb4 31. Rxb4 Qc6 32. Qe3 Qd5 33. f4 Bc6 34. Kf2 Qg2+ 35. Ke1 Qh1+ 36. Kd2 Qxh2+ 37. Kc3 Qa2 38. Rxc4 Qa3+ 39. Kd2 Qxe3+ 40. Kxe3 h5 41. Kd4 h4 42. Ke3 h3 43. Rc2 Bg2 44. Rc8+ Kg7 45. Kf2 Kh7= 1/2-1/2 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.22"] [Round "-"] [White "erikbrynolfson"] [Black "tiggeronvrb"] [Result "1-0"] [ECO "D45f"] [WhiteCountry "USA"] [BlackCountry "SCO"] [WhiteElo "1850"] [WhiteRD "82"] [BlackElo "1819"] [BlackRD "64"] [GameID "278851"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. c5 Bc7 9. b4 b6 10. a4 Re8 11. Bb2 e5 12. Qc2 e4 13. Nd2 Nf8 14. f3 Ng6 15. b5 cxb5 16. Nxb5 Bb8 17. c6 a6 18. c7 Qd7 19. cxb8=Q Rxb8 20. Nc7 Re7 21. Nxa6 Ra8 22. Bb5 Qb7 23. Nb4 Be6 24. Bc6 1-0 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.12"] [Round "-"] [White "erikbrynolfson"] [Black "Phillip Beckett"] [Result "1-0"] [ECO "D53g"] [WhiteCountry "USA"] [BlackCountry "ENG"] [WhiteElo "1850"] [WhiteRD "82"] [BlackElo "1681"] [BlackRD "49"] [GameID "278259"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bxf6 Bxf6 7. Nc3 c6 8. Be2 dxc4 9. Bxc4 O-O 10. O-O Nd7 11. b4 e5 12. Qb3 exd4 13. Nxd4 Nb6 14. Rfd1 Nxc4 15. Qxc4 Bxd4 16. Rxd4 Qe7 17. Rad1 Be6 18. Qd3 Rfe8 19. a3 Rac8 20. Ne2 Rc7 21. Nf4 Qf6 22. Rd8 Rxd8 23. Qxd8+ Qxd8 24. Rxd8+ Kh7 25. Nxe6 fxe6 26. Re8 Rd7 27. Kf1 Rd3 28. Rxe6 Rxa3 29. Re7 b6 30. Ke2 a5 31. bxa5 Rxa5 32. Re6 Rc5 33. Kd3 Kg8 34. f4 Kf7 35. f5 b5 36. e4 b4 37. Rd6 b3 38. Rd7+ Kf6 39. Rb7 Rc2 40. Rxb3 Rxg2 41. Rb6 Rxh2 42. Rxc6+ Kg5 43. Rg6+ Kf4 44. Rxg7 h5 45. f6 Ke5 46. f7 Rf2 47. Rg5+ Ke6 48. Rxh5 Rxf7 49. Kd4 Rf4 50. Rh6+ Ke7 51. Kd5 Rf1 52. Rh7+ Ke8 53. e5 Rd1+ 54. Ke6 Kf8 55. Rd7 Re1 56. Rd8+ Kg7 57. Rd5 Kf8 58. Kd7 Ra1 59. Rd6 Ra7+ 60. Ke6 Rb7 61. Rd8+ Kg7 62. Rd7+ Rxd7 63. Kxd7 Kf8 64. e6 1-0 [Event "Welcome Game"] [Site "SchemingMind.com"] [Date "2011.03.04"] [Round "-"] [White "A.Swain"] [Black "erikbrynolfson"] [Result "0-1"] [ECO "C00a"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "1410"] [WhiteRD "92"] [BlackElo "1850"] [BlackRD "82"] [GameID "277541"] 1. e4 e6 2. Qf3 d5 3. e5 c5 4. Bb5+ Nc6 5. Ne2 Bd7 6. Nbc3 Nxe5 7. Qg3 Bxb5 8. Nxb5 Bd6 9. d4 Qa5+ 10. Nbc3 cxd4 11. Nxd4 g6 12. O-O Qd8 13. Bg5 Ne7 14. Rae1 Nc4 15. Bf4 Bxf4 16. Qxf4 Nxb2 17. Nxd5 Qxd5 18. Re5 Qxa2 19. Qf6 Rf8 20. Qf3 Qa6 21. Rb5 Nc6 22. Rxb2 Nxd4 23. Qxb7 Qxb7 24. Rxb7 Rd8 25. f3 Rd7 26. Rb8+ Ke7 27. Rb4 Rc8 28. g4 Rxc2 29. Rf2 Rxf2 30. Kxf2 a5 31. Ra4 Nc6 32. g5 Rd4 33. Ra2 Kd6 34. f4 Rxf4+ 35. Kg3 Rd4 36. h4 e5 37. Rf2 Rf4 38. Rxf4 exf4+ 39. Kxf4 a4 40. h5 a3 41. hxg6 hxg6 42. Ke4 a2 43. Kd3 a1=Q 44. Kc4 Qd4+ 45. Kb5 Kc7 46. Ka6 Qa4# 0-1 [Event "CT Class 2 #72"] [Site "SchemingMind.com"] [Date "2011.03.12"] [Round "-"] [White "Phillip Beckett"] [Black "erikbrynolfson"] [Result "0-1"] [ECO "C05g"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "1681"] [WhiteRD "49"] [BlackElo "1850"] [BlackRD "82"] [GameID "278260"] 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Nb6 8. Ne2 Bd7 9. g3 Be7 10. Bh3 O-O 11. Kf1 cxd4 12. cxd4 a5 13. Kg2 f6 14. a3 a4 15. Bd2 Nc4 16. Bc3 Ne3+ 0-1 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.02"] [Round "-"] [White "jonasil"] [Black "erikbrynolfson"] [Result "0-1"] [ECO "E11p"] [WhiteCountry "SWE"] [BlackCountry "USA"] [WhiteElo "1832"] [WhiteRD "96"] [BlackElo "1795"] [BlackRD "83"] [GameID "271673"] 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 d5 6. Bg2 O-O 7. O-O dxc4 8. Qc2 b5 9. Ne5 c6 10. Nxc6 Nxc6 11. Bxc6 Rb8 12. a3= Bxd2 0-1 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.02"] [Round "-"] [White "erikbrynolfson"] [Black "jonasil"] [Result "1-0"] [ECO "A58p"] [WhiteCountry "USA"] [BlackCountry "SWE"] [WhiteElo "1795"] [WhiteRD "83"] [BlackElo "1832"] [BlackRD "96"] [GameID "271671"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. g3 Bg7 9. Bg2 O-O 10. O-O Nbd7 11. Be3 Nb6 12. Qc1 Nfxd5 13. Bh6 Nxc3 14. bxc3 1-0 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.03"] [Round "-"] [White "echecs"] [Black "erikbrynolfson"] [Result "1-0"] [ECO "C02w"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "1843"] [WhiteRD "62"] [BlackElo "1795"] [BlackRD "83"] [GameID "271672"] 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Bd7 7. Be2 cxd4 8. cxd4 Nge7 9. O-O Nf5 10. b4 Ncxd4 11. Nxd4 Qxd4 12. Qxd4 Nxd4 13. Bd3 Be7 14. Bb2 Nc6 15. Nd2 O-O 16. Nf3 a6 17. Rac1 b5 18. Rc2 Rac8 19. Re2 Bxb4 20. axb4 Nxb4 21. Bb1 a5 22. Ba3 Rc4 23. Rd1 Rfc8 24. Ng5 g6 25. Re3 Nc2 26. Bxc2 Rxc2 27. Bd6 b4 28. Rf3 Rc1 29. Rf1 Bb5 30. h4 Bxf1 31. Kh2 d4 32. Rxf7 d3 33. Rd7 d2 34. Nxh7 R1c7 35. Nf6+ 1-0 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.03"] [Round "-"] [White "erikbrynolfson"] [Black "echecs"] [Result "0-1"] [ECO "E90h"] [WhiteCountry "USA"] [BlackCountry "ENG"] [WhiteElo "1795"] [WhiteRD "83"] [BlackElo "1843"] [BlackRD "62"] [GameID "271670"] 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. Nf3 O-O 6. Be3 Ng4 7. Be2 c5 8. d5 Nxe3 9. fxe3 Qa5 10. Qc2 Na6 11. O-O Bd7 12. a3 Nc7 13. Nh4 a6 14. Rf2 b5 15. Raf1 bxc4 16. Bxc4 Bh6 17. Qd2 Bg7 18. Nf3 Qb6 19. e5 dxe5 20. Ng5 Bf6 21. Nce4 Bf5 22. Nxf6+ exf6 23. d6 fxg5 24. e4 Be6 25. Bxe6 Nxe6 26. d7 Qc6 27. Qd3 Rad8 28. Rd2 Nd4 0-1 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.02"] [Round "-"] [White "Scooter"] [Black "erikbrynolfson"] [Result "1/2-1/2"] [ECO "D02n"] [WhiteCountry "USA"] [BlackCountry "USA"] [WhiteElo "1913"] [WhiteRD "62"] [BlackElo "1795"] [BlackRD "83"] [GameID "271732"] 1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. h3 c5 5. e3 Nc6 6. c3 Be7 7. Bb5 Bd7 8. O-O O-O 9. Nbd2 Nxd4 10. Bxd7 Nxf3+ 11. Nxf3 Qxd7 12. Ne5 Qb5 13. b3 Ne4 14. c4 dxc4 15. Nxc4 Rfd8 16. Qg4 Nf6 17. Qf3 Nd5 18. Ne5 Nxf4 19. Qxf4 Bf6 20. Rad1 Rxd1 21. Rxd1 Bxe5 22. Qxe5 Rc8 23. Qd6 h6 24. Qe7 Re8 25. Qc7 Qe2 26. Qd7 Rf8 27. Rd2 Qa6 28. Qc7 b6 29. a4 Qa5 30. Rd7 Qe1+ 31. Kh2 Qxf2 32. Qxa7 Qxe3 33. Qxb6 Qf4+ 34. Kg1 Qc1+ 35. Kf2 Qf4+ 36. Kg1 Qc1+= 1/2-1/2 [Event "Pyramid challenge from erikbrynolfson"] [Site "SchemingMind.com"] [Date "2011.01.30"] [Round "-"] [White "erikbrynolfson"] [Black "Black Knight"] [Result "1-0"] [ECO "A01"] [WhiteCountry "USA"] [BlackCountry "USA"] [WhiteElo "1776"] [WhiteRD "87"] [BlackElo "1387"] [BlackRD "71"] [GameID "274609"] 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd7 5. f4 Nf6 6. Nf3 e4 7. Bxc6 Bxc6 8. Nd4 Qd7 9. Nc3 Bc5 10. Nxc6 Qxc6 11. Qe2 O-O-O 12. g4 Qd7 13. g5 Ne8 14. O-O-O Nd6 15. Nxd5 Nf5 16. Nc3 a6 17. Nxe4 Qd5 18. Nxc5 Qxc5 19. Qg4 h5 20. gxh6 Rxh6 21. e4 Rh4 22. Qxf5+ Qxf5 23. exf5 f6 24. Rde1 Rxf4 25. Re7 Rd5 26. Rxg7 Rdxf5 27. Re1 Kb8 28. Rgg1 b5 29. Rh1 Kb7 30. d3 c5 31. h4 Rh5 32. Re4 Rxe4 33. dxe4 Kc6 34. Bxf6 Kd6 35. e5+ Ke6 36. Kd2 1-0 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.02"] [Round "-"] [White "APB"] [Black "erikbrynolfson"] [Result "0-1"] [ECO "C18a"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "1672"] [WhiteRD "60"] [BlackElo "1776"] [BlackRD "87"] [GameID "271703"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nd7 7. c4 Ne7 8. Nf3 Qb6 9. Bg5 Nf5 10. Rb1 Qa5+ 11. Nd2 cxd4 12. cxd5 Nxe5 13. Be2 Qxd5 14. f3 Bd7 15. O-O h6 16. g4 hxg5 17. gxf5 exf5 18. Nb3 g4 19. Nxd4 O-O-O 20. c4 Qc5 21. fxg4 Nxg4 22. Bxg4 fxg4 23. Rxf7 Qh5 24. Rf2 g3 25. Rg2 gxh2+ 26. Kh1 Bc6 27. Qxh5 Bxg2+ 28. Kxg2 Rxh5 29. Nf3 Rd3 30. Nxh2 Rd2+ 0-1 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.02"] [Round "-"] [White "erikbrynolfson"] [Black "APB"] [Result "1-0"] [ECO "A25"] [WhiteCountry "USA"] [BlackCountry "ENG"] [WhiteElo "1776"] [WhiteRD "87"] [BlackElo "1672"] [BlackRD "60"] [GameID "271706"] 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. d4 d6 5. Nf3 Be7 6. d5 Nb8 7. Be2 c6 8. O-O h6 9. b3 Na6 10. Bb2 Nc5 11. b4 Ncd7 12. a4 cxd5 13. cxd5 b6 14. Nd2 a5 15. bxa5 Rxa5 16. Nb5 Nxd5 17. Nc4 Ra8 18. Ncxd6+ Kf8 19. Qxd5 1-0 [Event "CT Class 2 #65"] [Site "SchemingMind.com"] [Date "2011.01.02"] [Round "-"] [White "erikbrynolfson"] [Black "Scooter"] [Result "0-1"] [ECO "E92n"] [WhiteCountry "USA"] [BlackCountry "USA"] [WhiteElo "1744"] [WhiteRD "87"] [BlackElo "1941"] [BlackRD "64"] [GameID "271736"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Bg4 8. Bd2 Nbd7 9. Qc1 Nc5 10. Bg5 Qd7 11. h3 Bxf3 12. Bxf3 Nd3+ 0-1