J – Chess Openings by Name
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
| Jaenisch Counter-Attack | 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 | C13.011.PO | Explore ▶ |
| Jaenisch Counter-Attack: 4…d5 | 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 d5 | C13.014.PO | Explore ▶ |
| Jaenisch Counter-Attack: 5.Nbd2 | 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6 4.d3 d5 5.Nbd2 | C13.015.PO | Explore ▶ |
| Jalalabad Defence | 1.e4 c5 2.Nf3 e5 | B01.278.SI | Explore ▶ |
| Jalalabad Defence | 1.e4 e5 2.Nf3 c5 | C06.004.KN | Explore ▶ |
| Janowski Attack | 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.Bb5 Bb4 5.O-O O-O 6.d3 Bxc3 7.bxc3 d6 8.Re1 | C16.012.FO | Explore ▶ |
| Janowski Defence | 1.d4 d5 2.c4 e6 3.Nc3 a6 | D01.029.QD | Explore ▶ |
| Janowski Defence | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 | E09.003.OI | Explore ▶ |
| Janowski Defence: 4.f3 | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.f3 | E09.005.OI | Explore ▶ |
| Janowski Defence: 4.Nf3 | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.Nf3 | E09.007.OI | Explore ▶ |
| Janowski Defence: Fianchetto | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.g3 | E09.006.OI | Explore ▶ |
| Janowski Defence: Grinberg Gambit | 1.d4 Nf6 2.c4 d6 3.Nc3 Bf5 4.e4 | E09.004.OI | Explore ▶ |
| Janowski Defence: Larsen Defence | 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 Bg4 | D02.030.QA | Explore ▶ |
| Janzen Korchnoi Gambit | 1.d4 f5 2.h3 Nf6 3.g4 | E03.063.DU | Explore ▶ |
| John Tracy Gambit | 1.e4 Nf6 2.Nf3 | B09.060.AL | Explore ▶ |
| Junge Defence | 1.d4 d5 2.c4 e6 3.Nc3 c6 4.Nf3 dxc4 5.a4 Bb4 6.e3 b5 7.Bd2 Qb6 | D01.043.QD | Explore ▶ |
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