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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86k - 7…O-O 8.Ne2 Nc6 9.O-O - Classical Exchange Simagin Improved [+0.42], SÉRIE D
1961 URS Ch sf Batumi GEO – Round ? – Anokhin, Yuri – 0-1 – Gurgenidze, Bukhuti – G24

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86m - 7…O-O 8.Ne2 Nc6 9.O-O b6 - Classical Exchange Simagin Improved [+0.49], SÉRIE D
1962 Argentina – Round 13 – Lopez Bahamonde – 0-1 – Sanguineti, Raúl Carlos – G66

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86k - 7…O-O 8.Ne2 Nc6 9.O-O - Classical Exchange Simagin Improved [+0.42], SÉRIE D
1962 Bucharest – Round 14 – Drozd, Ryszard – 1/2-1/2 – Sajtar, Jaroslav – G71

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86i - 7…O-O 8.Ne2 b6 9.O-O - Classical Exchange Simagin [+0.19], SÉRIE D
1962 Clare Benedict Cup 09th – Round 4 – Franco Raymundo, Eduardo – 1/2-1/2 – Hollis, Adrian – G12

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86g - 7…O-O 8.Ne2 Nc6 - Classical Exchange Simagin Improved [+0.41], SÉRIE D
1962 Copenhagen – Round 7 – From, Sigfred – 1-0 – Blom, Kaj – G42

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86g - 7…O-O 8.Ne2 Nc6 - Classical Exchange Simagin Improved [+0.41], SÉRIE D
1962 New York ch-USA – Round 9 – Berliner, Hans – 1/2-1/2 – Benko, Pal – G49

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86m - 7…O-O 8.Ne2 Nc6 9.O-O b6 - Classical Exchange Simagin Improved [+0.49], SÉRIE D
1962 Stockholm Interzonal – Round 2 – Gligorić, Svetozar – 1/2-1/2 – Uhlmann, Wolfgang – G13

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- D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5, D86 - 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 - Gruenfeld [+0.31], D86i - 7…O-O 8.Ne2 b6 9.O-O - Classical Exchange Simagin [+0.19], SÉRIE D
1963 Amsterdam – Round 3 – Kool, Gerard – 0-1 – Lehmann, Heinz – G17

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