[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.04.26"]
[Round "8"]
[White "Yazovskikh, Elizaveta"]
[Black "Lytkin, Roman"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1751"]
[PlyCount "38"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e3 Nf6 5. Bd2 0-0 6. Bd3 Nc6 7. Qb3 Rb8 8. Nge2 Bg4 9. 0-0-0 a6 10. f3 Bd7 11. g4 b5 12. cxb5 Na7 13. g5 Nh5 14. Qa3 Nxb5 15. Qxa6 Rb6 16. Qa5 Nxc3 17. Bxc3 e5 18. dxe5 dxe5 19. h4 Qe7 1-0

[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.04.20"]
[Round "7"]
[White "Seslavin, Maxim"]
[Black "Lytkin, Roman"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1935"]
[PlyCount "31"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Nbd7 6. Qc2 Bg7 7. d4 0-0 8. Rd1 cxd4 9. cxd4 Nb6 10. Nc3 Qc7 11. Bf4 e5 12. dxe5 dxe5 13. Bxe5 Qc6 14. Rd6 Qc5 15. Rxf6 Bxf6 16. Bxf6 1-0

[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.04.19"]
[Round "6"]
[White "Lytkin, Roman"]
[Black "Tsvetkov, Yury"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1698"]
[PlyCount "54"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. c4 Qe4+ 4. Qe2 Nf6 5. Nc3 Qg4 6. Nf3 Bd7 7. d4 Na6 8. Be3 Nb4 9. a3 Na6 10. Qd3 h6 11. Be2 Bf5 12. Qd1 Qxg2 13. Rg1 Qh3 14. Qa4+ Bd7 15. Qb3 b6 16. Rg3 Qe6 17. Bd3 c5 18. d5 Qd6 19. Qc2 e6 20. dxe6 Qxe6 21. Kf1 Nh5 22. Rg1 Bd6 23. Be4 0-0-0 24. Nd5 Rde8 25. Bd3 Qh3+ 26. Ke2 Nc7 27. Nxc7 Bxc7 0-1

[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.04.13"]
[Round "5"]
[White "Kitov, Viktor"]
[Black "Lytkin, Roman"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "1874"]
[PlyCount "89"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 Nf6 8. Bd2 0-0 9. Bd3 Bd7 10. Qc2 a5 11. 0-0 a4 12. Rae1 e6 13. h3 exd5 14. cxd5 c6 15. dxc6 Bxc6 16. Bg5 a3 17. Bh6 Re8 18. bxa3 Rxa3 19. Nb1 Ra8 20. Bc4 d5 21. exd5 Nxd5 22. Rd1 Qa5 23. Qb3 Ba4 24. Qxb7 Bxd1 25. Rxd1 Nc7 26. Qf3 Ne6 27. Bd5 Rad8 28. g3 Re7 29. Bb3 Rxd1+ 30. Qxd1 Nd4 31. Bg5 Rb7 32. Be3 Nxb3 33. axb3 Qa2 34. Qd8+ Kg7 35. Nd2 Bc3 36. Bd4+ Bxd4 37. Qxd4+ Kf8 38. Ne4 Qxb3 39. Qh8+ Ke7 40. Qf6+ Kf8 41. Nd6 Rb6 42. Qh8+ Ke7 43. Nc8+ Kd7 44. Nxb6+ Qxb6 45. Qxh7 1-0

[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.04.12"]
[Round "4"]
[White "Vysotskaya, Elizaveta"]
[Black "Lytkin, Roman"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "47"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. h3 Nxe4 9. Nxe4 Bxd4 10. Bxd4 d5 11. 0-0 dxe4 12. Bc3 Qxd1 13. Raxd1 Bf5 14. g4 Bc8 15. Rde1 h5 16. Rxe4 hxg4 17. hxg4 Bd7 18. Rfe1 e6 19. R1e3 Rfe8 20. Rd3 Bc8 21. Rh3 e5 22. Bd5 Be6 23. Bxc6 bxc6 24. Bxe5 1-0

[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.04.05"]
[Round "3"]
[White "Lytkin, Roman"]
[Black "Churakov, Danil"]
[Result "1/2-1/2"]
[ECO "B67"]
[PlyCount "24"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 1/2-1/2

[Event "Novokuznetsk Spring op"]
[Site "Novokuznetsk"]
[Date "2014.03.30"]
[Round "2"]
[White "Lytkin, Roman"]
[Black "Kamensky, Danil"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "1820"]
[PlyCount "19"]
[EventDate "2014.03.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 Nxe4 5. Bd3 d5 6. Bxe4 dxe4 7. Nc3 e6 8. Nxe4 Be7 9. 0-0 0-0 10. Bf4 1/2-1/2

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.12"]
[Round "9"]
[White "Marjina, Arina"]
[Black "Lytkin, Roman"]
[Result "1/2-1/2"]
[ECO "D11"]
[PlyCount "43"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Bg4 4. d4 e6 5. Nbd2 Nf6 6. Qb3 Qb6 7. Ne5 Qxb3 8. Nxb3 Bb4+ 9. Bd2 Bxd2+ 10. Nxd2 Nbd7 11. Nxg4 Nxg4 12. Be2 Ngf6 13. cxd5 exd5 14. 0-0 0-0 15. Rac1 Rfe8 16. b4 a6 17. a4 Rec8 18. Nb3 b6 19. Rc2 Nb8 20. Rfc1 Ra7 21. h3 g6 22. Bd3 1/2-1/2

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.11"]
[Round "8"]
[White "Lytkin, Roman"]
[Black "Kosheparova, Tatiana"]
[Result "0-1"]
[ECO "A84"]
[BlackElo "1931"]
[PlyCount "138"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 f5 4. cxd5 exd5 5. Nf3 Nf6 6. Bf4 c6 7. e3 Be7 8. Bd3 0-0 9. Qc2 Ne4 10. Bxe4 fxe4 11. Ne5 Nd7 12. 0-0-0 Nxe5 13. Bxe5 Bd6 14. Bg3 b5 15. Ne2 Bg4 16. Rdf1 Rc8 17. Bxd6 Qxd6 18. h3 Bh5 19. g4 Bf7 20. Qc5 Qf6 21. Nf4 a5 22. h4 Rfd8 23. g5 Qd6 24. h5 Qxc5+ 25. dxc5 d4 26. Kb1 d3 27. g6 Bd5 28. gxh7+ Kxh7 29. Rhg1 a4 30. Rg6 Bf7 31. Rgg1 b4 32. f3 Bd5 33. fxe4 Bxe4 34. Ne6 d2+ 35. Ka1 Kh6 36. Nd4 Rd5 37. Rd1 Rxc5 38. Rxd2 Rxh5 39. Ne6 c5 40. Rd6 g6 41. Nf4 Rg5 42. Re1 Rg3 43. Re6 Bf5 44. Re7 g5 45. Rh1+ Bh3 46. Nxh3 Kg6 47. Nf2 Rh8 48. Rd1 Rh2 49. Nd3 Rd2 50. Rc1 Rxd3 51. e4 Rge3 52. Kb1 Rd4 53. Rxc5 Rdxe4 54. Rc6+ Kf5 55. Rf7+ Kg4 56. Ra6 b3 57. axb3 axb3 58. Kc1 Rd4 59. Rf1 Red3 60. Ra5 Rc4+ 61. Kb1 Rg3 62. Ra6 Rf4 63. Rd1 Rf2 64. Ra4+ Kh3 65. Rb4 g4 66. Rb8 Kg2 67. Rh8 Rgf3 68. Rhh1 Rf1 69. Rhxf1 Rxf1 0-1

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.10"]
[Round "7"]
[White "Lytkin, Roman"]
[Black "Silin, Sergei"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "78"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 a6 4. cxd5 cxd5 5. Bf4 e6 6. e3 Bd6 7. Nge2 Nc6 8. Bxd6 Qxd6 9. Ng3 f5 10. f4 Nf6 11. Be2 0-0 12. 0-0 b5 13. a3 Na5 14. b4 Nc4 15. Bxc4 dxc4 16. Qe2 Bb7 17. h3 Nd5 18. Rac1 Nxc3 19. Rxc3 Rf6 20. Rf2 Rg6 21. Nf1 a5 22. bxa5 Rxa5 23. Qb2 Qd5 24. Kh2 Kh8 25. Ng3 Bc6 26. Rd2 Qd8 27. Nf1 Rh6 28. Qb4 Ra4 29. Qc5 Qd5 30. Qxd5 Bxd5 31. Rb2 Bc6 32. Nd2 Rf6 33. Nb1 Rf8 34. Rc1 Rfa8 35. Nc3 Rxa3 36. Nxb5 Ra2 37. Rcc2 Rxb2 38. Rxb2 Rb8 39. Rc2 Bxb5 0-1

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.09"]
[Round "6"]
[White "Sozin, Stepan"]
[Black "Lytkin, Roman"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2206"]
[PlyCount "49"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. g3 d6 5. Bg2 g6 6. d4 cxd4 7. Nxd4 Bg7 8. Nxc6 bxc6 9. e5 Nd5 10. Nxd5 cxd5 11. Qxd5 Rb8 12. exd6 Qxd6 13. Qxd6 exd6 14. 0-0 Be6 15. Rb1 0-0 16. b3 Rfc8 17. Be3 Rxc2 18. Bxa7 Rd8 19. a4 d5 20. a5 Ra2 21. Bb6 Rc8 22. Rfc1 d4 23. Bb7 Rcc2 24. a6 Rxf2 25. a7 1-0

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.08"]
[Round "5"]
[White "Patrin, Yury"]
[Black "Lytkin, Roman"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "70"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 Bg4 4. Ne5 e6 5. Nxg4 Nxg4 6. e3 Nf6 7. Bd3 Bd6 8. Be5 Nbd7 9. f4 Nb6 10. Qe2 Qe7 11. a3 Bxe5 12. dxe5 Nfd7 13. Nc3 c6 14. 0-0 Nc5 15. Rf3 Nxd3 16. cxd3 g6 17. Raf1 0-0-0 18. d4 Kd7 19. Qf2 Nc4 20. Kh1 h5 21. Nd1 b5 22. Qe1 Ra8 23. b3 Nb6 24. Qa5 Qd8 25. R3f2 Nc8 26. Qxd8+ Rxd8 27. Rc2 Ne7 28. Rc1 a5 29. Rf2 a4 30. bxa4 Rxa4 31. Rc3 Rda8 32. Ra2 R8a6 33. Nf2 b4 34. Rb3 Rxa3 35. Rab2 Rxb3 0-1

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.06"]
[Round "4"]
[White "Lytkin, Roman"]
[Black "Guzikov, Danil"]
[Result "0-1"]
[ECO "A85"]
[BlackElo "2170"]
[PlyCount "55"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Bb4 4. Nf3 Nf6 5. e3 0-0 6. g3 Ne4 7. Bd2 Nxd2 8. Qxd2 b6 9. Bg2 Bb7 10. 0-0 d6 11. a3 Bxc3 12. Qxc3 Nd7 13. b4 Qf6 14. Rac1 Rac8 15. Ne5 dxe5 16. dxe5 Nxe5 17. Bxb7 Rcd8 18. Qa1 Rd2 19. c5 g5 20. cxb6 cxb6 21. f3 Qh6 22. Rf2 Rxf2 23. Kxf2 Qxh2+ 24. Ke1 Nd3+ 25. Kd1 Qg1+ 26. Kd2 Qxc1+ 27. Qxc1 Nxc1 28. Kxc1 0-1

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.05"]
[Round "3"]
[White "Lytkin, Roman"]
[Black "Bakhmetov, Pavel"]
[Result "1-0"]
[ECO "A84"]
[BlackElo "1956"]
[PlyCount "109"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Bd6 5. Nf3 f5 6. Qc2 Nf6 7. c5 Bc7 8. h3 Nbd7 9. b4 Ne4 10. b5 Nxc3 11. b6 axb6 12. Qxc3 bxc5 13. Qc2 cxd4 14. Nxd4 Nf6 15. Bd3 0-0 16. 0-0 Qd6 17. f4 Ne4 18. Bxe4 fxe4 19. Ne2 e5 20. a4 Qg6 21. Kh1 exf4 22. Nxf4 Bxf4 23. exf4 d4 24. Qc4+ Be6 25. Qxd4 Rad8 26. Qf2 Rd3 27. Be3 Qh6 28. Kh2 Ra8 29. Rfe1 Bb3 30. a5 Qe6 31. Bb6 Qd5 32. Rac1 Rf8 33. Rc5 Rd2 34. Qe3 Qd3 35. Qxe4 Qd6 36. Qe5 Rxf4 37. Qxd6 Rxd6 38. Bc7 Rdf6 39. Bxf4 Rxf4 40. Rce5 Bd5 41. Re8+ Rf8 42. R8e7 Rf7 43. Rxf7 Kxf7 44. Rb1 c5 45. Rb5 Ke6 46. Rxc5 Kd6 47. Rc1 h5 48. g3 g6 49. Kg1 Ke5 50. Rc5 Ke4 51. Rb5 Kd4 52. Rb6 Be4 53. Kf2 Ke5 54. Ke3 Kf5 55. Rb5+ 1-0

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.04"]
[Round "2"]
[White "Surunov, Arseniy"]
[Black "Lytkin, Roman"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "112"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nc6 3. Bf4 e6 4. e3 Bd6 5. Ne5 Bxe5 6. dxe5 Nge7 7. Bg3 Ng6 8. f4 Qe7 9. c3 a6 10. Bd3 Na7 11. Qe2 c5 12. Nd2 b5 13. Nf3 c4 14. Bxg6 hxg6 15. Nd4 Bb7 16. Qc2 Nc6 17. Bf2 Nxd4 18. exd4 a5 19. a3 g5 20. Be3 gxf4 21. Bxf4 Rh4 22. g3 Rh8 23. h4 g5 24. Be3 gxh4 25. g4 a4 26. 0-0-0 0-0-0 27. Rh2 f6 28. exf6 Qxf6 29. g5 Qf3 30. Qd2 Bc6 31. Bf4 Qg4 32. Be5 Rh5 33. Bf6 Rg8 34. Rdh1 Be8 35. Rh3 Bg6 36. Qf2 Qe4 37. Rxh4 Qb1+ 38. Kd2 Qxb2+ 39. Ke3 Qxc3+ 40. Kf4 Rxh4+ 41. Rxh4 Qc1+ 42. Ke5 Kd7 43. Rh3 Qb1 44. Re3 Qf5+ 45. Qxf5 Bxf5 46. Rc3 Rb8 47. Bg7 Ke7 48. Bf6+ Kf7 49. Kd6 b4 50. axb4 Rxb4 51. Kc5 Rb3 52. Rc1 a3 53. Bd8 a2 54. Ra1 Bb1 55. Ba5 c3 56. Bxc3 Rxc3+ 0-1

[Event "Novokuznetsk Winter op"]
[Site "Novokuznetsk"]
[Date "2013.01.03"]
[Round "1"]
[White "Lytkin, Roman"]
[Black "Kuzmichev, Alexander"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "2069"]
[PlyCount "68"]
[EventDate "2013.01.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. Nf3 Bg7 6. e3 0-0 7. Bd3 Na6 8. a3 Bd7 9. h3 Rb8 10. 0-0 Nc7 11. b4 cxb4 12. axb4 Nfxd5 13. cxd5 Bxc3 14. Rxa7 Na6 15. e4 Bxb4 16. Qb3 Bc5 17. Rxb7 Rxb7 18. Qxb7 Nb4 19. Bb5 Bc8 20. Qa8 Qb6 21. Qa4 Bb7 22. Be2 Ra8 23. Qb5 Qc7 24. Bg5 f6 25. Bf4 Qc8 26. Rc1 Ba6 27. Qxb4 Bxb4 28. Rxc8+ Bxc8 29. Nd4 Ra1+ 30. Kh2 Bc5 31. Nc6 Kf8 32. Bg3 Ra2 33. Bb5 Rb2 34. Ba4 Bxf2 0-1

