Game |
| Result | Moves |
Year | Event/Locale | Opening |
26. E Ermenkov vs S Vagalinski |
| 1-0 | 36 | 1970 | Varna Juniors | B23 Sicilian, Closed |
27. E Ermenkov vs Gindev |
| 1-0 | 61 | 1970 | Varna Juniors | D51 Queen's Gambit Declined |
28. I Biriescu vs E Ermenkov |
| ½-½ | 61 | 1970 | Varna Juniors | B16 Caro-Kann, Bronstein-Larsen Variation |
29. D Uddenfeldt vs E Ermenkov |
| 1-0 | 65 | 1970 | Niemeyer Juniors Preliminary | A79 Benoni, Classical, 11.f3 |
30. E Ermenkov vs R Cappello |
| 1-0 | 38 | 1970 | Niemeyer Juniors Preliminary | C05 French, Tarrasch |
31. J Ludvigsson vs E Ermenkov |
| 0-1 | 42 | 1970 | Niemeyer Juniors Preliminary | B13 Caro-Kann, Exchange |
32. E Ermenkov vs S Fedder |
| ½-½ | 23 | 1970 | Niemeyer Juniors Preliminary | A71 Benoni, Classical, 8.Bg5 |
33. J Barle vs E Ermenkov |
| 1-0 | 62 | 1970 | Niemeyer Juniors Preliminary | E92 King's Indian |
34. E Ermenkov vs D Cox |
| 1-0 | 32 | 1970 | Niemeyer Juniors Preliminary | B23 Sicilian, Closed |
35. R Meulders vs E Ermenkov |
| 0-1 | 56 | 1970 | Niemeyer Juniors Preliminary | B16 Caro-Kann, Bronstein-Larsen Variation |
36. E Ermenkov vs R Borngaesser |
| 1-0 | 34 | 1970 | Niemeyer Juniors 1970/71 | C05 French, Tarrasch |
37. E Ermenkov vs S Fedder |
| 0-1 | 73 | 1970 | Niemeyer Juniors 1970/71 | A34 English, Symmetrical |
38. Ribli vs E Ermenkov |
| 1-0 | 28 | 1971 | Niemeyer Juniors 1970/71 | A04 Reti Opening |
39. E Ermenkov vs S Saverymuttu |
| 1-0 | 39 | 1971 | Niemeyer Juniors 1970/71 | B56 Sicilian |
40. E J Holt vs E Ermenkov |
| 0-1 | 54 | 1971 | Niemeyer Juniors 1970/71 | B77 Sicilian, Dragon, Yugoslav Attack |
41. E Ermenkov vs J Barle |
| 1-0 | 35 | 1971 | Niemeyer Juniors 1970/71 | C77 Ruy Lopez |
42. D Uddenfeldt vs E Ermenkov |
| 1-0 | 53 | 1971 | Niemeyer Juniors 1970/71 | A00 Uncommon Opening |
43. E Ermenkov vs C Kiffmeyer |
| 0-1 | 33 | 1971 | Niemeyer Juniors 1970/71 | A71 Benoni, Classical, 8.Bg5 |
44. A Beliavsky vs E Ermenkov |
| 1-0 | 40 | 1971 | Niemeyer Juniors 1970/71 | B13 Caro-Kann, Exchange |
45. E Ermenkov vs K Angelov |
| ½-½ | 44 | 1971 | Bulgarian Championship | B01 Scandinavian |
46. E Ermenkov vs I Radulov |
| 0-1 | 29 | 1971 | Bulgarian Championship | B57 Sicilian |
47. E Ermenkov vs P Peev |
| 1-0 | 35 | 1971 | Bulgarian Championship | A25 English |
48. P Arnaudov vs E Ermenkov |
| 0-1 | 58 | 1971 | Bulgarian Championship | A10 English |
49. E Ermenkov vs N Spiridonov |
| 1-0 | 66 | 1971 | Bulgarian Championship | B13 Caro-Kann, Exchange |
50. N Iordanov vs E Ermenkov |
| 0-1 | 36 | 1971 | Bulgarian Championship | A42 Modern Defense, Averbakh System |