| ECO |
Opening Name |
MOVES (Algebraic System) |
| |
|
|
| A00-A09 |
1. Others |
1.Others |
| |
Others (A00) |
1.Others |
| |
Nimzovich-Larsen attack (A01) |
1.b3 |
| |
Bird's opening (A02-A03) |
1.f4 |
| |
Reti opening (A04-A09) |
1.Nf3 |
| |
|
|
| A10-A19 |
English Opening |
1.c4 |
| |
Others (A10) |
1...Others |
| |
Caro-Kann def. system (A11-A12) |
1...c6 |
| |
1...e6 variation (A13-A14) |
1...e6 |
| |
Anglo-Indian defense (A15-A19) |
1...Nf6 |
| |
|
|
| A20-A29 |
English Opening |
1.c4-e5 |
| |
Others (A20) |
2.Others |
| |
2. Nc3 variation (A21-A29) |
2.Nc3 |
| |
|
|
| A30-A39 |
English opening: |
1.c4-c5 |
| |
symmetrical variation |
|
| |
Others (A30) |
2.Others |
| |
2.Nf3 variation (A31-A33) |
2.Nf3 |
| |
2.Nc3 variation (A34-A39) |
2.Nc3 |
| |
|
|
| A40-A49 |
Queen's pawn |
1.d4 |
| |
Others (A40) |
1...Others |
| |
1...d6 variation (A41-A42) |
1...d6 |
| |
Old Benoni defense (A43-A44) |
1...c5; 2.d5 |
| |
1...Nf6 variation (A45-A49) |
1...Nf6 |
| |
|
|
| A50-A59 |
Queen's pawn |
1.d4-Nf6; 2.c4 |
| |
Others (A50) |
2...Others |
| |
Budapest defense (A51-A52) |
2...e5 |
| |
Old Indian defense (A53-A55) |
2...d6 |
| |
2...c5 variation (A56-A59) |
2...c5 |
| |
|
|
| A60-A69 |
Benoni defense |
1.d4-Nf6; 2.c4-c5; 3.d5-e6 |
| |
Others (A60) |
4...Others |
| |
4.Nc3 variation (A61-A69) |
4.Nc3 |
| |
|
|
| A70-A79 |
Benoni defense: classical |
1.d4-Nf6; 2.c4-c5; 3.d5-e6; |
| |
(with e4 and Nf3) |
4.Nc3-exd5; 5.cxd5-d6; 6.e4-g6; |
| |
|
7.Nf3 |
| |
Others (A70) |
7...Others |
| |
Others (A71-A79) |
7...Bg7 |
| |
|
|
| A80-A89 |
Dutch defense |
1.d4-f5 |
| |
Others (A80) |
2.Others |
| |
3...g3 variation (A81) |
2.g3 |
| |
Staunton gambit (A82-A83) |
2.e4 |
| |
2...c4 variation (A84-A89) |
2.c4 |
| |
|
|
| A90-A99 |
Dutch defense |
1.d4-f5; 2.c4-Nf6; 3.g3-e6; 4.Bg2 |
| |
Others (A90) |
4...Others |
| |
4...Be7 variation (A91-A99) |
4...Be7 |
