[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "6"]
[White "Ivkov, Borislav"]
[Black "Penrose, Jonathan"]
[Result "1-0"]
[ECO "D15"]
[PlyCount "63"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Na2 e6 8. Bxc4
Be7 9. O-O O-O 10. b3 Bb7 11. Bb2 Nbd7 12. Qe2 a5 13. Rad1 c5 14. Nc1 Qb6 15.
Nd3 Rfd8 16. Nfe5 Ba6 17. Nxd7 Nxd7 18. dxc5 Nxc5 19. Qg4 g6 20. Nxc5 Qxc5 21.
Rxd8+ Bxd8 22. Bxa6 Rxa6 23. Rc1 Qe7 24. Qd4 f6 25. Rd1 Ra8 26. Qc4 Kf7 27. g3
Bc7 28. Qh4 e5 29. Qxh7+ Ke6 30. Qxg6 Rd8 31. Qg4+ Kf7 32. e4 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "3"]
[White "Ivkov, Borislav"]
[Black "Olafsson, Fridrik"]
[Result "1/2-1/2"]
[ECO "D66"]
[PlyCount "113"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 c6 5. e3 Nbd7 6. cxd5 cxd5 7. Nc3 a6 8. Bd3
Be7 9. O-O O-O 10. Rc1 b5 11. a4 b4 12. Nb1 Bb7 13. Nbd2 a5 14. Nb3 Ba6 15. Bf4
Ne8 16. Bxa6 Rxa6 17. Qd3 Ra7 18. Qb5 g5 19. Bg3 h5 20. h3 Nd6 21. Bxd6 Bxd6
22. Rc6 Bb8 23. Nc5 g4 24. Nxd7 Rxd7 25. hxg4 hxg4 26. Ne5 Bxe5 27. dxe5 Kg7
28. g3 Rh8 29. Kg2 Qg5 30. Rh1 Rxh1 31. Kxh1 Rd8 32. Kg1 Qf5 33. Qc5 Qb1+ 34.
Qc1 Qe4 35. Rc8 Rxc8 36. Qxc8 Qxe5 37. Qc2 Qe4 38. Qd2 Qc4 39. Qd1 Kg6 40. Qd2
Kf5 41. Qd1 Kf6 42. b3 Qe4 43. Qc1 Kg6 44. Qd1 Kg5 45. Qc1 Kg6 46. Qd1 f6 47.
Qc1 Kf5 48. Qd1 Kg5 49. Qc1 Qd3 50. e4+ Kg6 51. exd5 Qxd5 52. Qc2+ f5 53. Kh2
Qd4 54. Kg1 Kf6 55. Qc7 Qd1+ 56. Kh2 Qxb3 57. Qxa5 1/2-1/2

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Keller, Dieter"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "55"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. Nxe5 Nxe5 6. d4 c6 7. dxe5 Nxe4 8.
Bd3 d5 9. exd6 Nf6 10. Bg5 h6 11. Re1+ Be6 12. Rxe6+ fxe6 13. Bxf6 Bxf2+ 14.
Kxf2 Qxf6+ 15. Kg1 Qxb2 16. Nd2 Qd4+ 17. Kh1 Qxd6 18. Qh5+ Kd8 19. Nc4 Qe7 20.
Rb1 Rb8 21. Ne5 Kc8 22. Ng6 Qf7 23. Rf1 Qe8 24. Qe5 Rg8 25. Bc4 b5 26. Bxe6+
Kb7 27. Rf7+ Kb6 28. Qc7+ 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "4"]
[White "Ivkov, Borislav"]
[Black "Darga, Klaus"]
[Result "1/2-1/2"]
[ECO "E19"]
[PlyCount "101"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2
Nxc3 9. Qxc3 d5 10. Ne5 c6 11. Be3 Nd7 12. Nd3 b5 13. cxb5 cxb5 14. Rfc1 Rc8
15. Qb3 Qb6 16. a4 b4 17. a5 Rxc1+ 18. Bxc1 Qc6 19. Bd2 Ba6 20. Bxb4 Bxb4 21.
Nxb4 Qb7 22. Qa4 Bb5 23. a6 Qb6 24. Qa5 Rc8 25. Qxb6 Nxb6 26. e3 Rc4 27. Nd3
Ra4 28. Rxa4 Nxa4 29. Bf1 Bxd3 30. Bxd3 Nxb2 31. Bb5 Nd1 32. Kf1 Nc3 33. Bd3 h6
34. Ke1 Kf8 35. f3 Ke7 36. Kd2 Na4 37. Bb5 Nb6 38. Kc3 Kd6 39. Kb4 Na8 40. Bd3
f6 41. f4 Nc7 42. Be2 f5 43. Bb5 Na8 44. Be2 Nb6 45. g4 fxg4 46. Bxg4 g6 47.
Be2 Nc8 48. Bd3 Ne7 49. Kb5 g5 50. fxg5 hxg5 51. e4 1/2-1/2

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "5"]
[White "Larsen, Bent"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "B70"]
[PlyCount "47"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. O-O Bg7 8.
Nb3 O-O 9. f4 b5 10. Bf3 b4 11. Nd5 Nxd5 12. exd5 Na5 13. Nxa5 Qxa5 14. Re1 Bf6
15. a3 Bf5 16. g4 Qc5+ 17. Be3 Bxc2 18. Bxc5 Bxd1 19. Raxd1 dxc5 20. axb4 Rac8
21. bxc5 Rxc5 22. g5 Bxb2 23. Rxe7 Rc1 24. Kg2 1/2-1/2

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "2"]
[White "Panno, Oscar"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[ECO "E59"]
[PlyCount "47"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3
Bxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. a4 e5 12. Ba3 b6 13. Qc2 e4 14. Nd2 Na5 15.
Be2 Re8 16. dxc5 bxc5 17. c4 Bg4 18. Bd1 Rab8 19. h3 Bxd1 20. Rfxd1 Qe5 21.
Rab1 Nc6 22. Rb5 Nb4 23. Bxb4 Rxb5 24. Bc3 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "7"]
[White "Sherwin, James T"]
[Black "Ivkov, Borislav"]
[Result "1-0"]
[ECO "D26"]
[PlyCount "51"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nbd7 8. a3
dxc4 9. Bxc4 cxd4 10. exd4 Be7 11. Re1 a6 12. Ba2 Nb6 13. Ne5 Bd7 14. Qf3 Qc8
15. Bg5 Bc6 16. Qh3 Bd5 17. Bb1 g6 18. Qh4 Qd8 19. Re3 Nc8 20. g4 Nd6 21. Rh3
Nde8 22. Qh6 Bg2 23. Kxg2 Qxd4 24. Bxf6 Nxf6 25. g5 Bc5 26. Ne4 1-0

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "1"]
[White "Barda, Yngvar"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "A24"]
[PlyCount "80"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. c4 Nf6 2. Nc3 e5 3. g3 g6 4. Bg2 Bg7 5. d3 O-O 6. Nf3 d6 7. O-O Nbd7 8. Bd2
Nh5 9. Qc1 f5 10. Bg5 Ndf6 11. Nh4 c6 12. b4 a6 13. Rb1 Be6 14. Qd2 Qd7 15. b5
axb5 16. cxb5 d5 17. bxc6 bxc6 18. Rb2 d4 19. Nb1 Nd5 20. Bh6 Nhf6 21. Bxg7
Kxg7 22. Nf3 Qd6 23. Rb7+ Nd7 24. Rc1 Rfb8 25. Qb2 Nb4 26. Rxb8 Rxb8 27. Qa3 c5
28. Nbd2 Nxa2 29. Re1 Nb4 30. Rc1 Kf6 31. h4 h6 32. Rf1 Bd5 33. Nh2 Bxg2 34.
Kxg2 Qd5+ 35. Kh3 Ra8 36. Qc1 Ra2 37. Ndf3 Kg7 38. g4 Rxe2 39. gxf5 Nxd3 40.
f6+ Nxf6 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "8"]
[White "Boey, Josef Martin"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "28"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 O-O 6. cxd5 exd5 7. Qc2 c6 8. e3
Nbd7 9. Bd3 Re8 10. O-O Nf8 11. Rab1 g6 12. b4 a6 13. a4 Ne6 14. Bh4 Ng7
1/2-1/2

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "9"]
[White "Ivkov, Borislav"]
[Black "Olafsson, Fridrik"]
[Result "1-0"]
[ECO "D40"]
[PlyCount "101"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 Ne4 7. Qc2 Nxc3 8. Qxc3
cxd4 9. Nxd4 Nxd4 10. Qxd4 dxc4 11. Qxd8+ Kxd8 12. Bxc4 Bd7 13. Bd2 Rc8 14. Bd3
Bd6 15. Bc3 f6 16. Ke2 Ke7 17. Rhd1 Be8 18. Rd2 Bh5+ 19. f3 Bg6 20. Bxg6 hxg6
21. Rad1 Rhd8 22. f4 Bc5 23. Rxd8 Rxd8 24. Rxd8 Kxd8 25. e4 Kd7 26. Kf3 Ke7 27.
g4 Kf7 28. f5 gxf5 29. exf5 Ke7 30. h4 exf5 31. gxf5 Kf7 32. h5 Kg8 33. Ke4 Kh7
34. Bd2 Bf2 35. a4 Bg3 36. Kd5 Bh4 37. Ke6 Bg5 38. Bb4 Kh6 39. Bf8 Bc1 40. b3
Bb2 41. a5 Bd4 42. b4 Bc3 43. Kd7 Kxh5 44. Kc7 g5 45. fxg6 Kxg6 46. Kxb7 f5 47.
Bc5 f4 48. a6 Bd2 49. Bxa7 Be3 50. Bb8 f3 51. Bg3 1-0

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "7"]
[White "Ivkov, Borislav"]
[Black "Panno, Oscar"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "122"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. O-O-O Nxd4 10. Bxd4 Qa5 11. Kb1 e5 12. Be3 Be6 13. Be2 Rfc8 14. g4 Rxc3
15. Qxc3 Qxa2+ 16. Kc1 d5 17. Qa3 Qxa3 18. bxa3 dxe4 19. fxe4 Nxg4 20. Bg1 a6
21. Kb2 Nf6 22. Bf3 Rc8 23. Bf2 Bf8 24. Rd2 Nd7 25. Rhd1 Rc7 26. Rd3 Kg7 27.
Rg1 Be7 28. Be3 Nc5 29. Bxc5 Bxc5 30. Rgd1 Bd4+ 31. c3 Bc5 32. a4 b5 33. axb5
axb5 34. Be2 b4 35. cxb4 Bxb4 36. Rc1 Rb7 37. Kc2 Bc4 38. Kd1 Bxd3 39. Bxd3 Ba3
40. Rb1 Rd7 41. Ke2 Bc5 42. Bc4 Bd4 43. Bd5 Rc7 44. Kd2 Kh6 45. Rf1 Rc3 46.
Bxf7 Rh3 47. Ke2 Rxh2+ 48. Kf3 Kg5 49. Kg3 Rc2 50. Be6 h5 51. Kh3 Be3 52. Kg3
Bf4+ 53. Kf3 Kf6 54. Bd7 g5 55. Rf2 g4+ 56. Kg2 Rxf2+ 57. Kxf2 Kg5 58. Kg2 h4
59. Kg1 h3 60. Be6 Kh4 61. Bf5 g3 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "4"]
[White "Ivkov, Borislav"]
[Black "Persitz, Raaphi"]
[Result "1-0"]
[ECO "A51"]
[PlyCount "83"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nd2 Bb4 5. Ngf3 d5 6. exd6 Qxd6 7. e3 Nc6 8.
Be2 Bf5 9. O-O Qh6 10. Nxe4 Bxe4 11. Qa4 O-O-O 12. a3 Bd6 13. h3 f5 14. Nd2
Rhe8 15. Nxe4 fxe4 16. c5 Bxc5 17. b4 Bb6 18. b5 Na5 19. Bb2 Rd2 20. Bg4+ Kb8
21. Bc3 Rxf2 22. Rxf2 Qxe3 23. Bxa5 Qxf2+ 24. Kh1 e3 25. Bxb6 axb6 26. Qd4 Qg3
27. Qd7 Re4 28. Qd1 Rf4 29. Bf3 Rf5 30. Qe2 Qf4 31. Rd1 Rc5 32. Re1 Rc3 33. Qd1
Rxa3 34. Qd5 c6 35. bxc6 Qg3 36. Rc1 Qc7 37. Qd7 bxc6 38. Qe8+ Qc8 39. Qe7 Rb3
40. Rd1 e2 41. Bxe2 Rxh3+ 42. Kg1 1-0

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "2"]
[White "Ivkov, Borislav"]
[Black "Siemms, Ross"]
[Result "1/2-1/2"]
[ECO "C05"]
[PlyCount "28"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Ne4 5. Bd3 Nxd2 6. Bxd2 c5 7. c3 Nc6 8. Nf3
cxd4 9. cxd4 Qb6 10. Bc3 Bb4 11. O-O Bd7 12. Ng5 Be7 13. Qg4 h6 14. Nf3 g5
1/2-1/2

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "5"]
[White "Keller, Dieter"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "E86"]
[PlyCount "54"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. Qd2 a6
9. O-O-O Qa5 10. g4 b5 11. dxe5 dxe5 12. Bc5 Re8 13. a3 Be6 14. Ng3 Nfd7 15.
Be3 bxc4 16. Nf5 Nc5 17. Qf2 Nbd7 18. Nxg7 Kxg7 19. Qh4 Rab8 20. Qf2 Rb3 21.
Nd5 cxd5 22. exd5 c3 23. Bc4 Rxb2 24. Rd2 cxd2+ 25. Kxb2 Rb8+ 26. Kc2 Qa4+ 27.
Kxd2 Rb2+ 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "6"]
[White "Mellberg, B."]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "C32"]
[PlyCount "70"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nd2 exd3 6. Bxd3 Nxd5 7. Qe2+ Be7 8.
Ne4 O-O 9. Bd2 Bh4+ 10. Kf1 Re8 11. Qf3 Nc6 12. Ne2 Ndb4 13. Bxb4 Nxb4 14. g3
Bh3+ 15. Kf2 Nxd3+ 16. cxd3 f5 17. gxh4 Bg4 18. Qe3 fxe4 19. dxe4 Qxh4+ 20. Qg3
Qh5 21. Rhg1 Qc5+ 22. Qe3 Qxe3+ 23. Kxe3 Bxe2 24. Kxe2 Rxe4+ 25. Kf3 Rb4 26. b3
Rf8 27. Rg4 h5 28. Rh4 g6 29. Rg1 Kh7 30. Rg5 Rf6 31. Re5 Kh6 32. Ra5 g5 33.
Rxg5 Rbxf4+ 34. Rxf4 Kxg5 35. Rxf6 Kxf6 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "3"]
[White "Reichel, Ewald"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "94"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 g6 7. Be3 Bg7 8.
O-O O-O 9. f4 Qb6 10. Rb1 Nxe4 11. Nf5 Nxc3 12. bxc3 Qa5 13. Nxg7 Qxc3 14. Rb3
Qxg7 15. Qd2 b6 16. Bf3 Bd7 17. Bxc6 Bxc6 18. f5 Qe5 19. Bd4 Qd5 20. c4 Qxg2+
21. Qxg2 Bxg2 22. Kxg2 Rac8 23. Rc1 f6 24. fxg6 hxg6 25. a4 Rc7 26. Bf2 Rfc8
27. a5 bxa5 28. Ra3 Rxc4 29. Rxc4 Rxc4 30. Rxa5 g5 31. Rxa7 Kf7 32. Bb6 f5 33.
Ra3 e5 34. Bd8 g4 35. Rd3 Ke6 36. h3 Rc2+ 37. Kg3 gxh3 38. Kxh3 d5 39. Bb6 Rc4
40. Kg2 d4 41. Kf2 Kd5 42. Ke2 f4 43. Rh3 e4 44. Rh5+ Ke6 45. Rh6+ Kf5 46. Rd6
f3+ 47. Ke1 e3 0-1

[Event "12th olm final A"]
[Site "Moscow"]
[Date "1956.09.15"]
[Round "5.3"]
[White "Nielsen, Axel"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "A24"]
[PlyCount "68"]
[EventDate "1956.08.31"]
[WhiteTeam "Denmark"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "YUG"]

1. c4 e5 2. Nc3 Nf6 3. g3 d6 4. Bg2 g6 5. e4 Bg7 6. Nge2 O-O 7. O-O a5 8. d3 c6
9. h3 Be6 10. Be3 Qd7 11. Kh2 d5 12. Na4 d4 13. Nc5 Qd6 14. Nxe6 fxe6 15. Bd2
Nbd7 16. Qc2 Rf7 17. f4 exf4 18. Bxf4 e5 19. Bd2 Qf8 20. Ng1 Bh6 21. Nf3 Bxd2
22. Qxd2 Qb4 23. Rf2 Qxd2 24. Rxd2 Re8 25. Rf2 Nc5 26. Bf1 Ref8 27. Be2 Nfxe4
28. dxe4 d3 29. Bd1 Nxe4 30. Rf1 Nd2 31. Re1 Nxf3+ 32. Bxf3 Rxf3 33. Rxe5 Rf2+
34. Kg1 d2 0-1

[Event "12th olm qual. group 2"]
[Site "Moscow"]
[Date "1956.09.01"]
[Round "1.3"]
[White "Ivkov, Borislav"]
[Black "Ingerslev, Aage"]
[Result "1-0"]
[ECO "B66"]
[PlyCount "69"]
[EventDate "1956.08.31"]
[WhiteTeam "Denmark"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "DEN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Bf4 Bd7 10. Nb3 e5 11. Be3 b5 12. f3 Qc7 13. Nd5 Nxd5 14. exd5 Nd8
15. Bd3 a5 16. Rhe1 Be7 17. Nd4 b4 18. Nf5 Bf6 19. f4 Kf8 20. fxe5 dxe5 21. Rf1
Bxf5 22. Rxf5 Nb7 23. Qf2 Qe7 24. Be4 Nd6 25. Bc5 Rc8 26. Bxd6 Qxd6 27. Qa7 Qc7
28. Qa6 Bg5+ 29. Kb1 Qc4 30. Qd6+ Kg8 31. Qxe5 a4 32. Rxf7 Kxf7 33. Qe6+ Kf8
34. Bg6 Qc7 35. Re1 1-0

[Event "12th olm qual. group 2"]
[Site "Moscow"]
[Date "1956.09.01"]
[Round "1.3"]
[White "Ivkov, Borislav"]
[Black "Ingerslev, Aage"]
[Result "1-0"]
[ECO "B66"]
[PlyCount "69"]
[EventDate "1956.08.31"]
[WhiteTeam "Yugoslavien"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "DEN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Bf4 Bd7 10. Nb3 e5 11. Be3 b5 12. f3 Qc7 13. Nd5 Nxd5 14. exd5 Nd8
15. Bd3 a5 16. Rhe1 Be7 17. Nd4 b4 18. Nf5 Bf6 19. f4 Kf8 20. fxe5 dxe5 21. Rf1
Bxf5 22. Rxf5 Nb7 23. Qf2 Qe7 24. Be4 Nd6 25. Bc5 Rc8 26. Bxd6 Qxd6 27. Qa7 Qc7
28. Qa6 Bg5+ 29. Kb1 Qc4 30. Qd6+ Kg8 31. Qxe5 a4 32. Rxf7 Kxf7 33. Qe6+ Kf8
34. Bg6 Qc7 35. Re1 1-0

[Event "12th olm qual. group 2"]
[Site "Moscow"]
[Date "1956.09.01"]
[Round "1.3"]
[White "Ivkov, Borislav"]
[Black "Ingerslev, Aage"]
[Result "1-0"]
[ECO "B66"]
[PlyCount "69"]
[EventDate "1956.08.31"]
[WhiteTeam "Yugoslavien"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "DEN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O h6 9. Bf4 Bd7 10. Nb3 e5 11. Be3 b5 12. f3 Qc7 13. Nd5 Nxd5 14. exd5 Nd8
15. Bd3 a5 16. Rhe1 Be7 17. Nd4 b4 18. Nf5 Bf6 19. f4 Kf8 20. fxe5 dxe5 21. Rf1
Bxf5 22. Rxf5 Nb7 23. Qf2 Qe7 24. Be4 Nd6 25. Bc5 Rc8 26. Bxd6 Qxd6 27. Qa7 Qc7
28. Qa6 Bg5+ 29. Kb1 Qc4 30. Qd6+ Kg8 31. Qxe5 a4 32. Rxf7 Kxf7 33. Qe6+ Kf8
34. Bg6 Qc7 35. Re1 1-0

[Event "Lugano ol (Men) fin-A"]
[Site "Lugano"]
[Date "1968.10.27"]
[Round "3.2"]
[White "Brinck Claussen, Bjorn"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "E92"]
[BlackElo "2520"]
[PlyCount "90"]
[EventDate "1968.10.17"]
[EventType "team"]
[EventRounds "13"]
[EventCountry "SUI"]
[SourceTitle "MCD"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[WhiteTeam "Denmark"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "YUG"]

1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nf3 e5 5. Be3 Nc6 6. Be2 Nf6 7. d5 Ne7 8. Nfd2
O-O 9. Nc3 Nd7 10. O-O f5 11. f3 f4 12. Bf2 g5 13. b4 Ng6 14. c5 Nf6 15. cxd6
cxd6 16. Nc4 Ne8 17. Nb5 b6 18. Rc1 Rf7 19. Qa4 Bd7 20. Qa6 Qb8 21. Nb2 Bf8 22.
Rc2 h5 23. Rfc1 g4 24. Qa3 g3 25. Be1 gxh2+ 26. Kh1 Rg7 27. Nc7 Nxc7 28. Rxc7
Qd8 29. Bf1 h4 30. Nd3 h3 31. Qb2 Nh4 32. Bxh4 Qxh4 33. Qf2 hxg2+ 34. Bxg2 Qd8
35. Kxh2 Be7 36. Qc2 Bh4 37. Rh1 Rc8 38. Rxc8 Bxc8 39. Kg1 Ba6 40. Nf2 Rc7 41.
Qb2 Bc8 42. b5 Bd7 43. Nd3 Qg5 44. Qb3 Qg3 45. Rh2 Rc1+ 0-1

[Event "EU-chT (Men) 04th"]
[Site "Kapfenberg"]
[Date "1970.05.12"]
[Round "3.2"]
[White "Norby, Peter H"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "A35"]
[PlyCount "80"]
[EventDate "1970.05.10"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "EU-chT"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "Denmark"]
[BlackTeam "Yugoslavia"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "YUG"]

1. c4 g6 2. Nf3 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 d6 7. g3 Bxc3+ 8.
bxc3 Qa5 9. Ne3 Nf6 10. Nd5 Ne4 11. Bg2 Nxc3 12. Qd2 Nxd5 13. cxd5 Qxd2+ 14.
Bxd2 Ne5 15. Rc1 b5 16. O-O Nc4 17. Bc3 O-O 18. Be4 Bf5 19. Bf3 h5 20. Rfe1
Rfc8 21. e4 Bg4 22. Bg2 Rc7 23. f3 Bd7 24. Bf1 Rac8 25. Rcd1 Ne3 26. Rxe3 Rxc3
27. Rxc3 Rxc3 28. Rb1 Rxf3 29. Rc1 Ra3 30. Rc7 Bg4 31. Rxe7 Rxa2 32. Bxb5 Kf8
33. Re8+ Kg7 34. Rd8 Bh3 35. Bd7 Bg2 36. Bb5 Bxe4 37. Rxd6 Rd2 38. Bc4 Rd4 39.
Ba2 a5 40. h4 Bf5 0-1

[Event "Skopje ol (Men) fin-A"]
[Site "Skopje"]
[Date "1972.09.29"]
[Round "3.2"]
[White "Ivkov, Borislav"]
[Black "Sloth, Jorn"]
[Result "1-0"]
[ECO "D46"]
[BlackElo "2385"]
[PlyCount "89"]
[EventDate "1972.09.27"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Yugoslavia"]
[BlackTeam "Denmark"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "DEN"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 Nbd7 8. Bd3
dxc4 9. Bxc4 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Qxd8 Rxd8 13. f3 Be6 14. Bxe6
fxe6 15. Rd1 Nd5 16. Nxd5 Bxb2 17. Nf4 Kf7 18. Ke2 Bf6 19. Nd3 Rd5 20. Rd2 Rad8
21. Rhd1 e5 22. Rc2 e4 23. fxe4 Rg5 24. g3 Ke7 25. Rf1 g6 26. Rc4 Bg7 27. b4 a5
28. Rb1 a4 29. Rc2 Rh5 30. h4 Rb5 31. a3 Be5 32. g4 Bg3 33. Rh1 h5 34. g5 Rf8
35. Rh3 Bd6 36. Rf3 Rxf3 37. Kxf3 Ke6 38. Rc1 Kf7 39. Ke2 Be5 40. Rf1+ Kg7 41.
Nxe5 Rxe5 42. Kd3 Re8 43. Rf6 Rd8+ 44. Ke2 Rd7 45. e5 1-0