[Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.05"] [Round "-"] [White "Tanis"] [Black "Scooter"] [Result "1-0"] [ECO "B12t"] [WhiteCountry "CHN"] [BlackCountry "USA"] [WhiteElo "2139"] [WhiteRD "88"] [BlackElo "1806"] [BlackRD "55"] [GameID "294682"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O c5 7. c4 dxc4 8. Na3 cxd4 9. Nxd4 Nxe5 10. Nxf5 Bxa3 11. Nxg7+ Kf8 12. Nxe6+ fxe6 13. bxa3 Qxd1 14. Rxd1 Nf6 15. Bb2 Ned7 16. Rxd7 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.06"] [Round "-"] [White "Scooter"] [Black "Tanis"] [Result "0-1"] [ECO "A46u"] [WhiteCountry "USA"] [BlackCountry "CHN"] [WhiteElo "1806"] [WhiteRD "55"] [BlackElo "2139"] [BlackRD "88"] [GameID "294683"] 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 Qb6 5. Bxf6 Qxb2 6. Bxg7 Bxg7 7. Nbd2 cxd4 8. Nc4 Qc3+ 9. Nfd2 dxe3 10. Nd6+ Ke7 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.06"] [Round "-"] [White "Will Grummitt"] [Black "Tanis"] [Result "1-0"] [ECO "C08k"] [WhiteCountry "ENG"] [BlackCountry "CHN"] [WhiteElo "2074"] [WhiteRD "73"] [BlackElo "2128"] [BlackRD "90"] [GameID "294733"] 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. O-O Be7 9. dxc5 Bxc5 10. Re1+ Be7 11. Ne5 Qc7 12. Ndf3 O-O 13. Bf4 Qb6 14. a3 Re8 15. Ng5 Bc5 16. Qf3 Re7 17. b4 Bd6 18. Ngxf7 Rxf7 19. Nxf7 Bxf4 20. Qxf4 Kxf7 21. c4 Na6 22. cxd5 Rd8 23. Re6 Qb5 24. Rae1 Qxd5 25. Re7+ Kf8 26. Qg3 Ne8 27. h4 Nac7 28. Rxc7 Nxc7 29. Qxc7 a6 30. Re7 Rc8 31. Rf7+ Qxf7 32. Qxc8+ Qe8 33. Qxe8+ Kxe8 34. f4 h5 35. Kf2 Kf7 36. Kf3 Ke6 37. Ke4 g6 38. a4 Kf6 39. a5 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.06"] [Round "-"] [White "Will Grummitt"] [Black "Scooter"] [Result "1-0"] [ECO "B19h"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "2045"] [WhiteRD "73"] [BlackElo "1808"] [BlackRD "57"] [GameID "294734"] 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. Bf4 Ngf6 10. Bd3 Bxd3 11. Qxd3 e6 12. O-O-O Be7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qd3 Qa5 16. Kb1 O-O 17. Ne5 c5 18. Qg3 Ne4 19. Qe3 Nf6 20. Bxh6 gxh6 21. Qxh6 Nh7 22. Rh3 Bg5 23. Rg3 f6 24. Qg6+ Kh8 25. Nf7+ Rxf7 26. Qxf7 Rd8 27. f4 Rxd4 28. Qe8+ Kg7 29. h6+ Kxh6 30. Rh1+ 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.07"] [Round "-"] [White "Tanis"] [Black "Will Grummitt"] [Result "1/2-1/2"] [ECO "C01p"] [WhiteCountry "CHN"] [BlackCountry "ENG"] [WhiteElo "2131"] [WhiteRD "91"] [BlackElo "2045"] [BlackRD "73"] [GameID "294735"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. O-O O-O 7. h3 Re8 8. Nc3 h6 9. Nb5 Nc6 10. c3 Ne4 11. Re1 Bf5 12. Nxd6 Qxd6 13. Qc2 Re7 14. b3 Rae8 15. Re3 Re6 16. Bb2 Bg6 17. Rae1 Qd8 18. a3 a6 19. Bc1 Qd6 20. c4 Ng5 21. Nxg5 Bxd3 22. Qxd3 hxg5 23. Rxe6 Rxe6 24. Rxe6 Qxe6= 1/2-1/2 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.06"] [Round "-"] [White "Scooter"] [Black "Will Grummitt"] [Result "0-1"] [ECO "D03g"] [WhiteCountry "USA"] [BlackCountry "ENG"] [WhiteElo "1786"] [WhiteRD "54"] [BlackElo "2023"] [BlackRD "73"] [GameID "294736"] 1. d4 e6 2. Nf3 d5 3. Bg5 Nf6 4. e3 c5 5. c3 Nc6 6. Bb5 Bd7 7. O-O Be7 8. Nbd2 Qb6 9. Bxc6 Bxc6 10. Qb3 O-O 11. Qxb6 axb6 12. Rfe1 h6 13. Bxf6 Bxf6 14. Ne5 Bxe5 15. dxe5 g5 16. f4 gxf4 17. exf4 Kh7 18. Nf1 Rg8 19. Ng3 Ra4 20. Nh5 Rga8 21. Nf6+ Kg6 22. Re3 Kf5 23. a3 d4 24. cxd4 Rxd4 25. Rf1 Rd2 26. g4+ Kg6 27. f5+ Kg5 28. Rf2 Rxf2 29. Kxf2 exf5 30. h4+ Kxh4 31. gxf5 Kg5 32. Rg3+ Kxf5 33. Ng4 h5 34. Ne3+ Ke6 35. Nc4 b5 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.16"] [Round "-"] [White "jesusch"] [Black "Tanis"] [Result "0-1"] [ECO "C08m"] [WhiteCountry "ESP"] [BlackCountry "CHN"] [WhiteElo "1887"] [WhiteRD "65"] [BlackElo "2128"] [BlackRD "90"] [GameID "295041"] 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. O-O Be7 9. dxc5 Nxc5 10. Nb3 Nce4 11. Nfd4 Nd6 12. Re1 O-O 13. c3 Re8 14. Qc2 Nfe4 15. Be3 Qd7 16. f3 Nf6 17. Nc5 Qc7 18. Ncb3 Qd7 19. Nc5 Qc7 20. b4 Nc4 21. Nf5 Nxe3 22. Rxe3 Bxc5 23. Re1 Bxe3+ 24. Nxe3 Rac8 25. Re2 Qxc3 26. Qxc3 Rxc3 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "jesusch"] [Black "Scooter"] [Result "1/2-1/2"] [ECO "B12t"] [WhiteCountry "ESP"] [BlackCountry "USA"] [WhiteElo "1887"] [WhiteRD "65"] [BlackElo "1818"] [BlackRD "56"] [GameID "295042"] 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. O-O Nc6 7. c3 cxd4 8. cxd4 Bb4 9. Nc3 Nge7 10. Nh4 Bg6 11. Nxg6 Nxg6 12. a3 Ba5 13. Na4 O-O 14. Be3 a6 15. b4 Bb6 16. Nxb6 Qxb6 17. Rc1 Rac8 18. Rc5 Nce7 19. Bd3 Rc6 20. f4 Rfc8 21. g4 Qc7 22. f5 Rxc5 23. dxc5 Nxe5 24. Be2 Nc4 25. Bf4 e5 26. Bc1 b6 27. g5 bxc5 28. bxc5 Qxc5+ 29. Kg2 Ne3+ 30. Bxe3 Qxa3 31. Bd2 Qd6 32. f6 Ng6 33. Qa4 d4 34. Qxa6 Qxa6 35. Bxa6 Rc2 36. Rf2 e4 37. Be3 Rxf2+ 38. Bxf2 Nf4+ 39. Kg3 Ne6 40. h4 Nc5 41. Bc4 e3 42. Be1 d3 43. Bb4 d2 44. Be2 Ne4+ 45. Kf3 Nf2 46. Kxe3 d1=Q 47. Bxd1 Nxd1+ 48. Kf3 Nb2= 1/2-1/2 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "jesusch"] [Black "Will Grummitt"] [Result "0-1"] [ECO "C18p"] [WhiteCountry "ESP"] [BlackCountry "ENG"] [WhiteElo "1887"] [WhiteRD "65"] [BlackElo "2074"] [BlackRD "73"] [GameID "295043"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 O-O 8. Bd3 Nbc6 9. Nf3 f5 10. exf6 Rxf6 11. Bg5 Rf7 12. Bxe7 Rxe7 13. Qh5 g6 14. Qh6 e5 15. O-O e4 16. Bxe4 dxe4 17. Ng5 cxd4 18. cxd4 Nxd4 19. Rfd1 Bg4 20. Qh4 Bxd1 21. Rxd1 Ne2+ 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "Tanis"] [Black "jesusch"] [Result "1-0"] [ECO "B95n"] [WhiteCountry "CHN"] [BlackCountry "ESP"] [WhiteElo "2128"] [WhiteRD "90"] [BlackElo "1887"] [BlackRD "65"] [GameID "295044"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qf3 h6 8. Bd2 Bd7 9. Be2 Be7 10. O-O Nc6 11. Nb3 O-O 12. Rad1 Rc8 13. a3 Ne5 14. Qg3 Kh8 15. f4 Nc4 16. Bc1 Qc7 17. Bxc4 Qxc4 18. Rd4 Qc7 19. e5 Nd5 20. Nxd5 exd5 21. Rxd5 Qxc2 22. exd6 Bf6 23. Rd2 Qe4 24. Rfd1 Rfe8 25. h3 Kh7 26. Qf2 Rc4 27. Nc5 Bc6 28. Nxe4 Rexe4 29. d7 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "Scooter"] [Black "jesusch"] [Result "0-1"] [ECO "A48g"] [WhiteCountry "USA"] [BlackCountry "ESP"] [WhiteElo "1786"] [WhiteRD "54"] [BlackElo "1959"] [BlackRD "70"] [GameID "295045"] 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. h3 O-O 5. e3 d6 6. Nbd2 c5 7. c3 Nc6 8. Be2 cxd4 9. cxd4 Re8 10. O-O e5 11. dxe5 dxe5 12. Bg5 e4 13. Ne1 Re5 14. Bxf6 Bxf6 15. Nc4 Rd5 16. Qb3 b5 17. Na3 a6 18. Nec2 Rd2 19. Rfe1 Be6 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "Will Grummitt"] [Black "jesusch"] [Result "1-0"] [ECO "B64f"] [WhiteCountry "ENG"] [BlackCountry "ESP"] [WhiteElo "2074"] [WhiteRD "73"] [BlackElo "1887"] [BlackRD "65"] [GameID "295046"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 h6 10. Bh4 e5 11. fxe5 Nxe5 12. Nf5 Bxf5 13. exf5 Rc8 14. Kb1 Nc4 15. Bxc4 Rxc4 16. g3 Qd7 17. Bxf6 Bxf6 18. Nd5 Be5 19. f6 Bxf6 20. Nxf6+ gxf6 21. Qxh6 Qf5 22. Qc1 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.14"] [Round "-"] [White "Lone Gunman"] [Black "Tanis"] [Result "1-0"] [ECO "D39j"] [WhiteCountry "ENG"] [BlackCountry "CHN"] [WhiteElo "2456"] [WhiteRD "62"] [BlackElo "2118"] [BlackRD "94"] [GameID "295047"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Bxc3+ 9. bxc3 Qa5 10. Bxf6 Qxc3+ 11. Kf1 gxf6 12. Rc1 Qa5 13. h4 Ke7 14. Rh3 Nc6 15. Nxc6+ bxc6 16. Rd3 Rb8 17. Qc2 Bb7 18. Qb2 Ba8 19. Bb3 c5 20. Rf3 e5 21. Rfc3 Rhc8 22. Qe2 Rb4 23. Qg4 Qd8 24. Bc4 Qg8 25. Qe2 Qg6 26. Re1 Rd8 27. a3 Rb6 28. Qc2 Qg4 29. Rg3 Qh5 30. Rg7 Qxh4 31. Rxf7+ Ke8 32. Kg1 Bc6 33. Rc7 Rd7 34. Rc8+ Ke7 35. Bb3 Rd6 36. Qxc5 Kd7 37. Rd8+ Kxd8 38. Qxd6+ Bd7 39. Qf8+ Kc7 40. Qe7 Qh6 41. Rd1 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "Lone Gunman"] [Black "jesusch"] [Result "1-0"] [ECO "E69m"] [WhiteCountry "ENG"] [BlackCountry "ESP"] [WhiteElo "2456"] [WhiteRD "62"] [BlackElo "1959"] [BlackRD "70"] [GameID "295048"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Qb6 10. Re1 exd4 11. Nxd4 Ng4 12. Nce2 Ngf6 13. Qc2 Nc5 14. Be3 a5 15. Nb3 Nfd7 16. Rad1 Qb4 17. Nf4 Ne5 18. Nxc5 dxc5 19. b3 a4 20. Ne2 axb3 21. axb3 Nd7 22. f4 Ra3 23. Nc1 Bd4 24. Kf2 Bc3 25. Re2 Re8 26. Rd3 Bf6 27. e5 Bg7 28. Red2 Nf8 29. Rd8 Rxd8 30. Rxd8 Bf5 31. Qd1 h5 32. g4 hxg4 33. hxg4 Bd7 34. Qxd7 Qc3 35. e6 fxe6 36. Qxe6+ Kh7 37. Qf7 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.14"] [Round "-"] [White "Lone Gunman"] [Black "Scooter"] [Result "1-0"] [ECO "E00k"] [WhiteCountry "ENG"] [BlackCountry "USA"] [WhiteElo "2362"] [WhiteRD "81"] [BlackElo "1806"] [BlackRD "55"] [GameID "295049"] 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 d5 6. Bg2 O-O 7. Nf3 Qe7 8. O-O dxc4 9. Na3 c5 10. Rfd1 cxd4 11. Nxc4 Nc6 12. Nxd4 Nxd4 13. Qxd4 Qb4 14. e3 Rb8 15. Qxa7 Nd7 16. Rac1 b5 17. Ne5 Qxb2 18. Nc6 1-0 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.14"] [Round "-"] [White "Lone Gunman"] [Black "Will Grummitt"] [Result "1/2-1/2"] [ECO "C06o"] [WhiteCountry "ENG"] [BlackCountry "ENG"] [WhiteElo "2401"] [WhiteRD "61"] [BlackElo "2074"] [BlackRD "73"] [GameID "295050"] 1. d4 e6 2. e4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. O-O Bd6 12. Bf4 Bxf4 13. Nxf4 O-O 14. Qd2 Nxd4 15. Nxd4 e5 16. Nxd5 Nxd5 17. Nf3 Nf4 18. Nxe5 Be6 19. Be4 Rad8 20. Qc2 g6 21. Rfe1 Rc8 22. Qd2 Rcd8 23. Qc3 Nd5 24. Qg3 Nf4 25. Nd3 Nxd3 26. Bxd3 Rd4 27. b3 Rfd8 28. Bf1 Qd6 29. Qf3 Bd5 30. Qe3 Bf7 31. Rac1 a6 32. g3 b5 33. Re2 Re8 34. Qf3 Rxe2 35. Bxe2 Rd2 36. Rc8+ Kg7 37. Qc3+ Qd4 38. Qxd4+ Rxd4 39. Rc2 g5 40. Kg2 Rd6 41. Bf3 Bg6 42. Rc5 h6 43. a4 bxa4 44. bxa4 Be8 45. a5 Kf6 46. Be4 Bb5 47. Kf3 Rd2 48. Bb7 g4+ 49. Kxg4 Rxf2 50. h3 Ke7 51. Kh4 Ra2 52. g4 Ra3 53. Rf5 Rxa5 54. Bxa6= 1/2-1/2 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.14"] [Round "-"] [White "Tanis"] [Black "Lone Gunman"] [Result "0-1"] [ECO "C78t"] [WhiteCountry "CHN"] [BlackCountry "ENG"] [WhiteElo "2118"] [WhiteRD "94"] [BlackElo "2456"] [BlackRD "62"] [GameID "295051"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 Bb6 9. d4 O-O 10. Bg5 h6 11. Bxf6 Qxf6 12. Bd5 Rae8 13. a4 Bc8 14. axb5 axb5 15. Bxc6 dxc6 16. Re2 exd4 17. Nxd4 Rd8 18. Rd2 Bb7 19. f3 Rd7 20. Kh1 Rfd8 21. Nb3 Rxd2 22. N3xd2 Rd3 23. Qe2 Qd6 24. Ra2 Kh7 25. b3 Bc8 26. Rb2 Be6 27. Qd1 b4 28. c4 Qd4 29. Qf1 Re3 30. Rc2 Re2 31. Rc1 Rf2 32. Qe1 Qe5 33. Nf1 Qg5 34. Ng3 h5 35. f4 Qxf4 36. Nxh5 Qe3 37. Qxe3 Bxe3 38. Re1 Rb2 39. Ng3 Rxb3 40. Nf1 Bf4 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.15"] [Round "-"] [White "jesusch"] [Black "Lone Gunman"] [Result "0-1"] [ECO "B33m"] [WhiteCountry "ESP"] [BlackCountry "ENG"] [WhiteElo "1959"] [WhiteRD "70"] [BlackElo "2456"] [BlackRD "62"] [GameID "295052"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. Bd3 d5 12. exd5 Qxd5 13. Qd2 O-O 14. f3 Qe6 15. O-O h6 16. Bh4 Bb7 17. Rae1 Ng6 18. Bxg6 fxg6 19. c4 e4 20. Qb4 g5 21. Bg3 Rfe8 22. cxb5 axb5 23. fxe4 Qxa2 24. Nxb5 Rxe4 25. Qc3 Rxe1 26. Rxe1 Qd5 27. Qc2 Qxb5 28. Rb1 Be4 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.14"] [Round "-"] [White "Scooter"] [Black "Lone Gunman"] [Result "0-1"] [ECO "D02o"] [WhiteCountry "USA"] [BlackCountry "ENG"] [WhiteElo "1806"] [WhiteRD "55"] [BlackElo "2362"] [BlackRD "81"] [GameID "295053"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. h3 Bf5 9. Nbd2 h5 10. Be2 b5 11. O-O b4 12. Nh4 Bh7 13. Bg5 bxc3 14. bxc3 b5 15. Nhf3 e6 16. Ne5 Nxe5 17. dxe5 Ne4 18. Nxe4 Bxe4 19. f3 Bc2 20. Bd1 Bd3 21. Re1 b4 22. Be2 bxc3 23. f4 c2 0-1 [Event "CT Class 1 #36"] [Site "SchemingMind.com"] [Date "2011.10.14"] [Round "-"] [White "Will Grummitt"] [Black "Lone Gunman"] [Result "1/2-1/2"] [ECO "C52"] [WhiteCountry "ENG"] [BlackCountry "ENG"] [WhiteElo "2074"] [WhiteRD "73"] [BlackElo "2401"] [BlackRD "61"] [GameID "295054"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O Nge7 8. Ng5 d5 9. exd5 Ne5 10. Bb3 O-O 11. Nxh7 Kxh7 12. Qh5+ Kg8 13. Qxe5 dxc3 14. Nxc3 Nf5 15. Bb2 Re8 16. Qf4 Bd7 17. Ne4 Qh4 18. Qxh4 Nxh4 19. Nc5 Bb5 20. Rfc1 Re2 21. Bc3 Bb6 22. Bd1 Bxc5 23. Bxe2 Bxe2 24. Bf6 gxf6 25. Rxc5 Rd8 26. Rxc7 Rxd5 27. Rxb7 Rg5 28. g3 Nf3+ 29. Kg2 Ra5 30. a4 Nd4 31. Ra3 Nc2 32. Ra2 Ne1+ 33. Kg1 Bc4 34. Ra3 Bd5 35. Rc7= 1/2-1/2