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Grünfeld Defense: Three Knights Variation, Petrosian System
D91
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Bg5
Overview
1
5...dxc4
D91
5...dxc4 6.e4
2
5...dxc4
D91
5...dxc4 6.e4
3
5...0-0
D91
5...O‑O 6.Bxf6
4
5...c5
D91
5...c5 6.dxc5
5
5...c6
D91
5...c6 6.cxd5
6
5...Ne4 rare lines
D91
5...Ne4 6.Bf4
7
7...dxc4 main line
D91
5...Ne4 6.Bf4 Nxc3 7.bxc3 dxc4 8.e3
8
6...Nxc3 7...c5 rare lines
D91
5...Ne4 6.Bf4 Nxc3 7.bxc3 c5 8.e3 O‑O 9.cxd5 Qxd5 10.Be2 cxd4 11.cxd4
9
6...Nxc3 & c5 main line - 13...Rac8
D91
5...Ne4 6.Bf4 Nxc3 7.bxc3 c5 8.e3 O‑O 9.cxd5 Qxd5 10.Be2 Nc6 11.O‑O
10
6...Nxc3 & c5 main line - 13...Qa5
D91
5...Ne4 6.Bf4 Nxc3 7.bxc3 c5 8.e3 O‑O 9.cxd5 Qxd5 10.Be2 Nc6 11.O‑O cxd4 12.cxd4 Bf5 13.Qa4 Qa5 14.Qxa5 Nxa5 15.Rfc1
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D91 Grünfeld Defense: Three Knights Variation, Petrosian System.
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