Gruendfeld opening

[Black "D90"]{Gruenfeld Defence
Three Knights Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3

{Gruenfeld Defence
Schlechter Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 c6

{Gruenfeld Defence
Three Knights Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7
{Gruenfeld Defence
Flohr Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qa4

[Black "D91"]{Gruenfeld Defence
5.Bg5}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5

[Black "D92"]{Gruenfeld Defence
5.Bf4}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4

[Black "D93"]{Gruenfeld Defence
With Bf4 e3}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bf4 O-O 6.e3

[Black "D94"]{Gruenfeld Defence
5.e3}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3
{Gruenfeld Defence
Makogonov Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.b4
{Gruenfeld Defence
Opovcensky Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd2

{Gruenfeld Defence
With e3 Bd3}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3

{Gruenfeld Defence
Smyslov Defence}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 c6 7.O-O Bg4

{Gruenfeld Defence
Flohr Defence}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Bd3 c6 7.O-O Bf5

[Black "D95"]{Gruenfeld Defence
With e3 & Qb3}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3
{Gruenfeld Defence
Botvinnik Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 e6

{Gruenfeld Defence
Pachman Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.e3 O-O 6.Qb3 dxc4 7.Bxc4 Nbd7 8.Ng5

[Black "D96"]{Gruenfeld Defence
Russian Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3

[Black "D97"]{Gruenfeld Defence
Russian Variation With e4}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4
{Gruenfeld Defence
Russian Variation, Alekhine Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 a6

{Gruenfeld Defence
Russian Variation, Szabo Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 c6

{Gruenfeld Defence
Russian Variation, Levenfish Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 b6

{Gruenfeld Defence
Russian Variation, Byrne Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Nc6

{Gruenfeld Defence
Russian Variation, Prins Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Na6

[Black "D98"]{Gruenfeld Defence
Russian Variation, Smyslov Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4
{Gruenfeld Defence
Russian Variation, Keres Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 Nfd7 9.Be2 Nb6 10.Qd3 Nc6 11.O-O-O

[Black "D99"]{Gruenfeld Defence
Smyslov, Main line}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 Nfd7 9.Qb3

{Gruenfeld Defence
Smyslov, Yugoslav Variation}
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 8.Be3 Nfd7 9.Qb3 c5