| TECC Code | Opening | Moves | Proponent |
| TECC-001 | Alekhine Defence | 1.e4 Nf6 2.e5 Nd5 3.g3 | Filiberto Pivirotto |
| TECC-002 | King's Gambit - Kangaroo Attack | 1.e4 e5 2.f4 exf4 3.Nf3 b5 | Filiberto Pivirotto |
| TECC-003 | Mexican Defence | 1.d4 Nf6 2.c4 Nc6 | Filiberto Pivirotto |
| TECC-004 | Tayler Opening | 1.e4 e5 2.Nf3 Nc6 3.Be2 Nf6 4.d3 d5 5.Nbd2 | Filiberto Pivirotto |
| TECC-005 | Hanaver Budapest Gambit | 1.d4 Nf6 2.g3 d5 | Filiberto Pivirotto |
| TECC-006 | Gurevich Opening | 1.c4 c6 2.Nf3 d5 3.e3 Nf6 4.Qc2 | Filiberto Pivirotto |
| TECC-007 | The Lion | 1.e4 d6 2.d4 Nf6 3.Nc3 Nbd7 | Evert Bos |
| TECC-008 | Queen's Indian - Yates variation | 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Bb4 6.Bd2 a5 | Jaroslav Pech |
| TECC-009 | Queen's Gambit - Slav | 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 dxc4 5.a4 Bf5 6.e3 e6 7.Bxc4 Bb4 8.O-O | Ben Newman |
| TECC-010 | Latvian Gambit | 1.e4 e5 2.Nf3 f5 | Michael Muller-Topler |
| TECC-011 | King's Bishop's Gambit | 1.e4 e5 2.f4 exf4 3.Bc4 | Michael Muller-Topler |
| TECC-012 | French Advanced | 1.e4 e6 2.d4 d5 3.e5 c5 4.Nf3 | Lennart Oberg |