Queen's Indian Defense: Spassky System3

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5

ECO E14

The Queen's Indian Defense: Spassky System3 is a chess opening line in the Queen's Indian Defense complex, reached after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3 Bb7 5.Bd3 c5.

It is catalogued under code E14 in the Encyclopaedia of Chess Openings (ECO).

The defining move c5 is chosen by Black on move 5.

Study this line with a grandmaster

This position is covered in the Bogo-Indian Defense course: a GM-authored repertoire you study move by move, then practice against a human-like AI opponent.

Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.