Catalan Opening
MICOS Opening Group E11.CA – Catalan Opening begins with 1.d4 Nf6 2.c4 e6 3.g3. White prepares to fianchetto the light-squared bishop on g2, combining central influence with long-range pressure along the diagonal toward Black’s queenside. This setup gives White a flexible position based on sound development, central control and sustained piece activity.
The Catalan Opening often produces strategically rich positions where pawn structure, piece coordination and long-term positional pressure play important roles. White frequently seeks a lasting initiative through the powerful g2-bishop and control of key central squares, while Black looks for active counterplay and opportunities to challenge White’s centre. Use the searchable table below to find openings by opening name, chess notation or MICOS code and train individual openings interactively with MICOS CAP.
Search by Opening Name, Chess Notation or MICOS Code. MICOS classifies each opening by its exact move order.
| Opening Name | Chess Notation | MICOS Code | MICOS CAP |
|---|---|---|---|
| Catalan Opening | 1.d4 Nf6 2.c4 e6 3.g3 | E11.001.CA | |
| Retreat: 6…0-0 | 1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Be7 5.Bg2 d5 6.Nf3 0-0 | E11.002.CA | Explore ▶ |
| Retreat: 7.0-0 | 1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Be7 5.Bg2 d5 6.Nf3 0-0 7.0-0 | E11.003.CA | Explore ▶ |
| Retreat: 8.0-0 | 1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Be7 5.Bg2 d5 6.Nf3 0-0 7.Qc2 c6 8.0-0 | E11.004.CA | Explore ▶ |
| Retreat: 8…c6 | 1.d4 Nf6 2.c4 e6 3.g3 Bb4+ 4.Bd2 Be7 5.Bg2 d5 6.Nf3 Nbd7 7.0-0 0-0 8.Qc2 c6 | E11.005.CA | Explore ▶ |
| Catalan Opening: 3…d5 | 1.d4 Nf6 2.c4 e6 3.g3 d5 | E11.006.CA | Explore ▶ |
| Closed Defence: 4…Bb4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bd2 Bb4 5.Nf3 Be7 6.Bg2 0-0 7.0-0 c6 8.Bf4 b6 | E11.007.CA | Explore ▶ |
| Closed Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 | E11.008.CA | Explore ▶ |
| Closed Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 | E11.009.CA | Explore ▶ |
| Closed Defence: 9…Na6 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 c6 7.Qc2 b6 8.Nbd2 Bb7 9.e4 Na6 | E11.010.CA | Explore ▶ |
| Closed Defence: 9…Nbd7 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 c6 7.Qc2 b6 8.Nbd2 Bb7 9.e4 Nbd7 | E11.011.CA | Explore ▶ |
| Closed Defence: 9.Bf4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 c6 7.Qc2 b6 8.Rd1 Nbd7 9.Bf4 | E11.012.CA | Explore ▶ |
| Closed Defence: Classical Defence: 6…dxc4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 dxc4 | E11.013.CA | Explore ▶ |
| Closed Defence: 6…Nbd7 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 | E11.014.CA | Explore ▶ |
| Closed Defence: Botvinnik Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Nc3 c6 8.Qd3 | E11.015.CA | Explore ▶ |
| Closed Defence: 7.Qc2 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 | E11.016.CA | Explore ▶ |
| Closed Defence: 8.b3 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.b3 | E11.017.CA | Explore ▶ |
| Closed Defence: Spassky Gambit | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.b3 b6 9.Rd1 Bb7 10.Nc3 b5 | E11.018.CA | Explore ▶ |
| Closed Defence: 10.e4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Bf4 b6 9.Nbd2 Bb7 10.e4 | E11.019.CA | Explore ▶ |
| Closed Defence: 12.Qxe4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Bf4 b6 9.Nbd2 Bb7 10.e4 dxe4 11.Nxe4 Nxe4 12.Qxe4 | E11.020.CA | Explore ▶ |
| Closed Defence: 8.Nbd2 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Nbd2 | E11.021.CA | Explore ▶ |
| Closed Defence: Rabinovich Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Nbd2 b5 | E11.022.CA | Explore ▶ |
| Closed Defence: Traditional Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Nbd2 b6 | E11.023.CA | Explore ▶ |
| Closed Defence: Sokolsky Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Nbd2 b6 9.b3 a5 10.Bb2 Ba6 | E11.024.CA | Explore ▶ |
| Closed Defence: Zagoryansky Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 Nbd7 7.Qc2 c6 8.Rd1 b6 9.a4 | E11.025.CA | Explore ▶ |
| Open Catalan: Tarrasch Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c5 5.Nf3 Nc6 | E11.026.CA | Explore ▶ |
| Open Catalan: 5…dxc4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 c6 5.Nf3 dxc4 | E11.027.CA | Explore ▶ |
| Open Catalan | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 | E11.028.CA | Explore ▶ |
| Open Catalan: 5.Nf3 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 | E11.029.CA | Explore ▶ |
| Open Catalan: Classical Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Be7 | E11.030.CA | Explore ▶ |
| Open Catalan: Modern Sharp Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Nf3 Nc6 6.Qa4 Bb4+ | E11.031.CA | Explore ▶ |
| Open Catalan: 5.Qa4+ | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ | E11.032.CA | Explore ▶ |
| Open Catalan: 6.Qxc4 | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 | E11.033.CA | Explore ▶ |
| Open Catalan: Alekhine Attack | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Qxc4 a6 7.Qc2 | E11.034.CA | Explore ▶ |
| Hungarian Gambit | 1.d4 Nf6 2.c4 e6 3.g3 e5 | E11.035.CA | Explore ▶ |
| Sub Groups | Chess Notation | MICOS CAP |
|---|---|---|
| Catalan Opening (E11.CA) | ||
| 144. Closed Defence | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 | E11.008.CA 🖥️ |
| 145. Open Catalan | 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 | E11.028.CA 🖥️ |
MICOS™ is the proprietary chess classification system developed by MasterInChess and protected by international copyright law.
You are welcome to use and share MICOS for personal, educational and non-commercial purposes. Commercial use or integration requires permission from MasterInChess.