[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.10"]
[Round "9"]
[White "Demidiukov, Evgeniy"]
[Black "Vorobyev, I."]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2126"]
[PlyCount "75"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e6 7. Be3 Be7 8. g4 a6 9. Qd2 Nxd4 10. Qxd4 e5 11. Qd1 Be6 12. g5 Nd7 13. Qd2 Qa5 14. Rg1 Rc8 15. Bg4 Nb6 16. Bxb6 Qxb6 17. 0-0-0 Rc4 18. h4 Rd4 19. Qe2 Bc4 20. Qf3 Qa5 21. b3 d5 22. exd5 0-0 23. Kb1 Bb4 24. Rg3 Bxc3 25. Qxc3 Rxd1+ 26. Bxd1 Qxc3 27. Rxc3 Bxd5 28. Be2 f6 29. Rc5 Bc6 30. Bxa6 fxg5 31. Bc4+ Kh8 32. hxg5 e4 33. b4 h6 34. g6 Rc8 35. Be6 Re8 36. Bf7 Rc8 37. Re5 b6 38. Kb2 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.09"]
[Round "8"]
[White "Vorobyev, I."]
[Black "Kotovskyy, Dmytro"]
[Result "1-0"]
[ECO "E51"]
[PlyCount "45"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 0-0 6. Be2 b6 7. 0-0 Bb7 8. Bd2 Nbd7 9. Nxd5 Nxd5 10. cxd5 Bxd2 11. dxe6 Bxe3 12. exd7 Bf4 13. Ne5 Qg5 14. Bf3 Bxf3 15. Qxf3 Bxe5 16. dxe5 Qxe5 17. Rfe1 Qc5 18. Rac1 Qb4 19. a3 Qd6 20. Rcd1 Qc5 21. Qxa8 Rxa8 22. d8Q+ Qf8 23. Qxf8+ 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.08"]
[Round "7"]
[White "Yusupov, Maxim"]
[Black "Vorobyev, I."]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2155"]
[PlyCount "59"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d3 Nc6 4. Be3 g6 5. d4 cxd4 6. Bxd4 Nxd4 7. Qxd4 e5 8. Qd3 Nf6 9. 0-0-0 a6 10. f4 Ng4 11. Qf3 exf4 12. Nd5 Ne3 13. Nxe3 fxe3 14. Bc4 Qc7 15. Bb3 Bh6 16. Ne2 0-0 17. h4 Be6 18. Bxe6 fxe6 19. Qg4 Qc4 20. b3 Qb4 21. Qxe6+ Kh8 22. h5 Bg7 23. Kb1 Rf2 24. hxg6 h6 25. Qe7 Kg8 26. Rxh6 Bxh6 27. Qh7+ Kf8 28. Qxh6+ Ke7 29. Qg7+ Kd8 30. Rh1 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.07"]
[Round "6"]
[White "Vorobyev, I."]
[Black "Penza, Denis"]
[Result "1-0"]
[ECO "D10"]
[BlackElo "1904"]
[PlyCount "79"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e5 4. e3 e4 5. Qb3 Nf6 6. Bd2 Be7 7. Nge2 Na6 8. Nf4 Nc7 9. Be2 0-0 10. 0-0-0 dxc4 11. Bxc4 b5 12. Be2 a5 13. Qc2 Bf5 14. h3 b4 15. Na4 Ne6 16. g4 Nxf4 17. exf4 e3 18. Qxf5 exd2+ 19. Rxd2 g6 20. Qc2 Qd5 21. Re1 Qxa2 22. b3 Qa1+ 23. Qb1 Qxb1+ 24. Kxb1 Bd6 25. Bf3 Bxf4 26. Rc2 Nd5 27. Rxc6 Rad8 28. Bxd5 Rxd5 29. Re4 Bh2 30. Nb6 Rdd8 31. d5 Bb8 32. Re7 Bd6 33. Rd7 Be5 34. d6 Bd4 35. Ra7 Bxf2 36. Rxa5 Bxb6 37. Rxb6 Rd7 38. Rd5 Rfd8 39. Kc2 f5 40. Kd3 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.06"]
[Round "5"]
[White "Knyazev, Alexey"]
[Black "Vorobyev, I."]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2193"]
[PlyCount "113"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. Bg5 Be7 4. Nf3 d5 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. Ne5 Nfd7 9. Bf4 f5 10. Nb5 Na6 11. c4 Nxe5 12. Bxe5 c6 13. Nc3 Nc7 14. Rc1 Bd6 15. a3 Bxe5 16. dxe5 c5 17. f4 d4 18. Nb1 Rf7 19. Qe2 Rd7 20. Rcd1 Qe7 21. Nd2 dxe3 22. Qxe3 Rad8 23. Nf3 Na6 24. Bc2 Rxd1 25. Rxd1 Rxd1+ 26. Bxd1 Qd7 27. Qd2 Qxd2 28. Nxd2 Kf7 29. Kf2 Bc6 30. g4 g6 31. Kg3 Kg7 32. h4 Kf7 33. h5 Kg7 34. Kh4 Kh6 35. hxg6 hxg6 36. Nf3 Bxf3 37. Bxf3 Nc7 38. Bc6 Na6 39. Bd7 Nc7 40. b3 Kh7 41. Kg5 Kg7 42. Bc6 Na6 43. Be8 Nc7 44. Bxg6 fxg4 45. Be4 g3 46. Kg4 a5 47. Kxg3 b5 48. Bc6 a4 49. bxa4 bxc4 50. Kf3 Kg6 51. Be4+ Kh5 52. f5 exf5 53. Bxf5 Kg5 54. Bd7 Nd5 55. Ke4 Nb6 56. e6 Kf6 57. a5 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.05"]
[Round "4"]
[White "Vorobyev, I."]
[Black "Belyaev, Ilja"]
[Result "1-0"]
[ECO "E19"]
[BlackElo "2031"]
[PlyCount "71"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Rd1 Bf6 11. Ne5 Bxg2 12. Kxg2 Qe8 13. Qc2 d6 14. Nf3 Nd7 15. Bg5 Bxg5 16. Nxg5 h6 17. Nf3 g5 18. h4 g4 19. Ne1 Qf7 20. e3 Rad8 21. Rd2 a5 22. a3 Ra8 23. Nd3 Nf6 24. Rdd1 a4 25. c5 bxc5 26. dxc5 e5 27. Rac1 Ne4 28. cxd6 cxd6 29. Qc6 Rfb8 30. Nxe5 dxe5 31. Rd7 Qf6 32. Qd5+ Kh8 33. Rc6 Ra5 34. Qxe4 fxe4 35. Rxf6 Rxb2 36. Rf8# 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.04"]
[Round "3"]
[White "Bernadskiy, Vitaliy"]
[Black "Vorobyev, I."]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2055"]
[PlyCount "79"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nge7 6. 0-0 0-0 7. d3 d6 8. Rb1 Rb8 9. b4 Bg4 10. h3 Bxf3 11. Bxf3 Nd4 12. Bg2 c6 13. e3 Ne6 14. Qb3 Qd7 15. b5 Rfd8 16. Bd2 d5 17. bxc6 bxc6 18. Qxb8 Rxb8 19. Rxb8+ Bf8 20. cxd5 cxd5 21. Rfb1 Nd8 22. R8b5 d4 23. Ne4 Kg7 24. exd4 Qxd4 25. Bc3 Qxd3 26. Bxe5+ Kh6 27. Nf6 a6 28. R5b4 Kg7 29. Be4 Qd2 30. Rd4 Qe2 31. Rxd8 Nc6 32. Bxc6 Qxe5 33. Nd7 Qc7 34. Rxf8 Qxc6 35. Rxf7+ Kh6 36. Ne5 Qe6 37. Ng4+ Kh5 38. Rxh7+ Kg5 39. f4+ Kf5 40. Rf7+ 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.03"]
[Round "2"]
[White "Vorobyev, I."]
[Black "Stasenko, Zakhariy"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "93"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 e5 4. e4 Nf6 5. Nc3 Be7 6. Bd3 0-0 7. Nge2 Nbd7 8. 0-0 Nb6 9. a3 a5 10. Nb5 Bd7 11. Nec3 Ne8 12. f4 f6 13. f5 Nc7 14. Nxc7 Qxc7 15. Rf3 Qd8 16. Rg3 Rf7 17. Qh5 Bf8 18. Rh3 h6 19. Qg6 Be8 20. Rxh6 Rc7 21. Qh7+ Kf7 22. Be2 Ke7 23. Nb5 Bxb5 24. cxb5 Kd7 25. Rg6 Kc8 26. Be3 Kb8 27. Qh4 Qd7 28. Qe1 Nc8 29. Rg3 b6 30. Bd2 Qe8 31. Rc1 Na7 32. Qf1 Kb7 33. b4 axb4 34. axb4 Rac8 35. Ra1 c4 36. Rc3 Qxb5 37. Rca3 Kb8 38. Bxc4 Qxc4 39. Qxc4 Rxc4 40. Rxa7 b5 41. Ra8+ Kb7 42. R1a7+ Kb6 43. Be3+ R8c5 44. bxc5+ dxc5 45. Rd7 Rxe4 46. Kf2 b4 47. Rxf8 1-0

[Event "UKR-ch sf U20"]
[Site "Lvov"]
[Date "2007.12.02"]
[Round "1"]
[White "Ipatov, Alexander"]
[Black "Vorobyev, I."]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2298"]
[PlyCount "43"]
[EventDate "2007.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UKR"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Re8 8. Qc2 h6 9. Bh4 c5 10. Nge2 Nc6 11. 0-0 c4 12. Bxf6 Bxf6 13. Bf5 Bg5 14. g3 h5 15. Bxc8 Rxc8 16. Qf5 Nb4 17. h4 Bh6 18. Qxh5 Rc7 19. a3 Nc2 20. Rab1 Qd7 21. Nxd5 Qh3 22. Nef4 1-0

