CANBASE Event World op 18th (1990)

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "1"] [White "Ivanov, Igor V"] [Black "Mengarini, Ariel"] [Result "1-0"] [WhiteElo "2495"] [BlackElo "2230"] [ECO "A87"] [EventDate "1990.06.??"] [PlyCount "73"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636807962624"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. Nf3 f5 2. c4 Nf6 3. d4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 d6 7. d5 h6 8. O-O e5 9. dxe6 Nc6 10. Qb3 Bxe6 11. Qxb7 Na5 12. Qa6 c5 13. Rd1 Nxc4 14. Nh4 g5 15. Nxf5 Rb8 16. Nxg7 Kxg7 17. b3 Rb6 18. Qa4 Rb4 19. Qxa7+ Rf7 20. Qxc5 Qb8 21. Qd4 Nb2 22. Bxb2 Rxd4 23. Rxd4 Kh7 24. Rad1 Ne8 25. b4 Rc7 26. Nd5 Ra7 27. a3 Qb5 28. Nc3 Qb6 29. a4 Bb3 30. a5 Qa6 31. R1d3 Bc4 32. Be4+ Kh8 33. Rxd6 Bxd3 34. Rxa6 Bxa6 35. Nb5+ Rg7 36. Bc6 Bxb5 37. Bxb5 1-0

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "3"] [White "Ivanov, Igor V"] [Black "Christiansen, Larry"] [Result "1-0"] [WhiteElo "2495"] [BlackElo "2560"] [ECO "A59"] [EventDate "1990.06.??"] [PlyCount "77"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808261632"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. cxb5 a6 6. bxa6 Bxa6 7. Nc3 Bg7 8. g3 d6 9. e4 Bxf1 10. Kxf1 O-O 11. Kg2 Nbd7 12. h3 Ra6 13. Re1 Qa8 14. Qc2 Rb8 15. Rb1 Nb6 16. b3 Nfd7 17. a3 Nc8 18. Nd1 Rab6 19. Ne3 Qa6 20. a4 R6b7 21. Bd2 Ncb6 22. a5 Nc8 23. Nc4 Na7 24. Qd3 Nb5 25. b4 Nc7 26. Red1 cxb4 27. Be3 Bc3 28. Nfd2 Rc8 29. Rdc1 Ne8 30. Ne5 Qxd3 31. Nxd3 Rbb8 32. Nxb4 Bxb4 33. Rxc8 Rxc8 34. Rxb4 Ra8 35. Nc4 Nef6 36. Rb7 Kf8 37. Nb6 Nxb6 38. axb6 Re8 39. Rc7 1-0

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "4"] [White "Malaniuk, Vladimir"] [Black "Ivanov, Igor V"] [Result "1/2-1/2"] [WhiteElo "2505"] [BlackElo "2495"] [ECO "B07"] [EventDate "1990.06.??"] [PlyCount "68"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808429568"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. d4 g6 2. e4 Bg7 3. Be2 d6 4. Nc3 Nf6 5. h4 c5 6. dxc5 Qa5 7. Kf1 Qxc5 8. Be3 Qb4 9. a3 Qa5 10. h5 Nc6 11. h6 Bf8 12. Nh3 Bxh3 13. Rxh3 e6 14. Bf4 a6 15. Bxd6 O-O-O 16. Rd3 Bxd6 17. Rxd6 Qe5 18. Rxd8+ Rxd8 19. Bd3 Qh2 20. f3 Ne5 21. Qe1 Qh1+ 22. Kf2 Qxh6 23. Rd1 g5 24. Be2 Qh4+ 25. Kf1 Rxd1 26. Bxd1 Qxe1+ 27. Kxe1 Nc4 28. Na4 Nd7 29. g3 b5 30. Be2 Nde5 31. f4 gxf4 32. gxf4 Nd7 33. Bxc4 bxc4 34. Kf2 Kc7 1/2-1/2

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "5"] [White "Ivanov, Igor V"] [Black "Meyer, John"] [Result "1-0"] [WhiteElo "2495"] [ECO "B40"] [EventDate "1990.06.??"] [PlyCount "95"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808556544"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 Bb7 6. d5 Nf6 7. Bg5 h6 8. Bxf6 Qxf6 9. Bg2 d6 10. dxe6 fxe6 11. e5 dxe5 12. O-O Be7 13. Qe2 O-O 14. Nxe5 Bxg2 15. Kxg2 Bd6 16. Rae1 Qf5 17. Ng4 Kf7 18. f4 Ra7 19. Ne3 Qg6 20. f5 exf5 21. Nxf5 Kg8 22. Qe6+ Qxe6 23. Rxe6 Raf7 24. Nxh6+ gxh6 25. Rxf7 Rxf7 26. Rxd6 Rd7 27. Rxd7 Nxd7 28. Kf3 Kf7 29. Ke4 Ke6 30. Nd5 Kd6 31. b3 Ne5 32. h3 a5 33. Nc3 b4 34. Nd5 Ke6 35. Nc7+ Kd6 36. Ne8+ Ke6 37. Ng7+ Kf6 38. Nf5 Nf7 39. h4 h5 40. Ne3 Ke6 41. Nc4 Nh6 42. Nxa5 Nf5 43. Kf4 Nd4 44. Kg5 Nxc2 45. Kxh5 Kf7 46. Nb7 Nd4 47. Nxc5 Ne2 48. Nd3 1-0

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "5"] [White "Ivanov, Igor V"] [Black "Smirin, Ilia"] [Result "0-1"] [WhiteElo "2495"] [BlackElo "2535"] [ECO "E94"] [EventDate "1990.06.??"] [PlyCount "90"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808560640"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. d5 Nbd7 8. O-O Nc5 9. Qc2 a5 10. Bg5 h6 11. Be3 b6 12. Nd2 Bg4 13. Qd1 h5 14. h3 Bd7 15. Qc2 Nh7 16. Nb3 Na6 17. Qd2 Qe7 18. Rae1 Bf6 19. Nc1 Bg5 20. Nd3 Bxe3 21. Qxe3 Qg5 22. Qxg5 Nxg5 23. Bd1 f5 24. f3 Nc5 25. Nxc5 bxc5 26. h4 Nh7 27. f4 Rae8 28. exf5 Rxf5 29. Bc2 Rxf4 30. Bxg6 Ref8 31. Ne4 Kg7 32. Bxh7 Kxh7 33. Rxf4 Rxf4 34. g3 Rf8 35. Rf1 Rxf1+ 36. Kxf1 Bf5 37. Ng5+ Kg6 38. Ke2 Bb1 39. a3 Ba2 40. Kd3 Kf5 41. Kc3 e4 42. Ne6 Kg4 43. Nxc7 Kxg3 44. Ne8 e3 45. Nxd6 Bb1 0-1

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "6"] [White "Castro Rojas, Oscar Humberto"] [Black "Ivanov, Igor V"] [Result "1-0"] [WhiteElo "2320"] [BlackElo "2495"] [ECO "B24"] [EventDate "1990.06.??"] [PlyCount "103"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808638464"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. d3 Nc6 5. Bg2 Rb8 6. f4 b5 7. Nf3 b4 8. Nd5 e6 9. Ne3 Nge7 10. O-O O-O 11. a3 a5 12. axb4 cxb4 13. f5 d5 14. fxg6 hxg6 15. Ng5 d4 16. Nc4 f6 17. Nh3 e5 18. Nf2 Be6 19. Bh3 f5 20. Bg5 Ra8 21. b3 Qc7 22. Bg2 Nc8 23. h4 Nd6 24. h5 Nf7 25. Nh3 Bxc4 26. hxg6 Nxg5 27. Nxg5 Bh6 28. Qh5 Bxg5 29. Qxg5 f4 30. dxc4 f3 31. Bxf3 Kg7 32. Bh5 Qe7 33. Qg4 Kh6 34. Rf7 Rxf7 35. gxf7 Qg5 36. Rf1 Qxg4 37. Bxg4 Kg7 38. Bd7 Ne7 39. c5 Kf8 40. Rf6 Kg7 41. f8=Q+ Rxf8 42. Rxf8 Kxf8 43. Kf2 Ng8 44. Ke2 Nf6 45. Bf5 Kg7 46. Kd3 Ne8 47. Kc4 Nc7 48. c6 Kf6 49. Bg4 Ke7 50. Kc5 Ne8 51. Be2 Nc7 52. Bc4 1-0

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "6"] [White "Ivanov, Igor V"] [Black "Shabalov, Alexander"] [Result "0-1"] [WhiteElo "2495"] [BlackElo "2465"] [ECO "D10"] [EventDate "1990.06.??"] [PlyCount "66"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808683520"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1998"] [Source "ChessBase"] [SourceDate "1997.11.17"] [SourceVersion "1"] [SourceVersionDate "1997.11.17"] [SourceQuality "1"] 1. d4 d5 2. c4 c6 3. Nc3 e5 4. cxd5 cxd5 5. e3 e4 6. Qb3 Nf6 7. Bd2 Nc6 8. Bb5 Be7 9. Nge2 O-O 10. Nf4 Na5 11. Qd1 Bg4 12. Be2 Bxe2 13. Qxe2 Rc8 14. O-O Nc4 15. Rab1 Qd7 16. Rfc1 g5 17. Nh3 h6 18. Be1 a6 19. b3 Nd6 20. Na4 Nf5 21. Kh1 Rc6 22. Rxc6 Qxc6 23. Ng1 Rc8 24. Bd2 Qb5 25. h3 h5 26. Nc5 b6 27. Nxa6 Qd3 28. Qxd3 exd3 29. Be1 Ne4 30. g4 hxg4 31. hxg4 Nh4 32. f3 d2 33. fxe4 Rc1 0-1

[Event "World op 18th"] [Site "Philadelphia"] [Date "1990.??.??"] [Round "7"] [White "Janjgava, Lasha"] [Black "Ivanov, Igor V"] [Result "0-1"] [WhiteElo "2455"] [BlackElo "2495"] [ECO "E15"] [EventDate "1990.06.??"] [PlyCount "68"] [WhiteFideId "-1"] [BlackFideId "-1"] [GameId "1166636808802304"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "EXT 1997"] [Source "ChessBase"] [SourceDate "1996.11.15"] [SourceVersion "1"] [SourceVersionDate "1996.11.15"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Ne5 Nfd7 10. Nxd7 Nxd7 11. Nd2 O-O 12. O-O b5 13. Re1 bxc4 14. bxc4 f5 15. Rb1 Qc8 16. Ba5 Nf6 17. Qa4 Ne4 18. Bxe4 dxe4 19. Bb4 c5 20. Ba3 Rf7 21. Bxc5 Bxc5 22. dxc5 Bb7 23. Nb3 e3 24. fxe3 e5 25. Rf1 f4 26. exf4 exf4 27. Rbd1 Qh3 28. c6 fxg3 29. hxg3 Qxg3+ 30. Kh1 Qh4+ 31. Kg1 Qg5+ 32. Kh2 Qh6+ 33. Kg3 Bxc6 34. Qa5 Qg6+ 0-1