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- B20-B99 1. e4 c5 - Sicilian Defense, B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation, B84 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 - Sicilian (1925), B84w - 8…Nc6 - Scheveningen, Classical (1924), SÉRIE B 1.e4 2....
Siegen olm 1970 – Round 14 – Unzicker, Wolfgang – 1/2-1/2 – Portisch, Lajos – G22
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- C60-C69 1. e4 e5 2. Nf3 Nc6 3. Bb5 Ruy Lopez (Spanish), C69 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 - Ruy Lopez: Exchange Variation, Gligoric Variation, C69i - 7…Ne7 - Exchange, Gligoric (1966), SÉRIE C
Siegen olm 1970 – Round 15 – Fischer, Raphael – 1-0 – Unzicker, Wolfgang – G24
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- C60-C69 1. e4 e5 2. Nf3 Nc6 3. Bb5 Ruy Lopez (Spanish), C69 - 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.O-O f6 - Ruy Lopez: Exchange Variation, Gligoric Variation, C69d - 7…Bd6 - Exchange, Gligoric (1907), SÉRIE C
Siegen olm 1970 – Round 16 – Hort, Vlastimil – 1/2-1/2 – Portisch, Lajos – G27
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- D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense, D42 - 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3 - QGD, D42j - 10…* - Semi-Tarrasch, SÉRIE D
Siegen olm 1970 – Round 17 – Popov, Luben – 1-0 – Podzielny, Karl-Heinz – G29
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- B20-B99 1. e4 c5 - Sicilian Defense, B30-B39 1.e4 c5 2. Nf3 Nc6 Sicilian defence, B38 - 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 - Sicilian Defense: Accelerated Dragon, Maróczy Bind, B38q - 9…Nxd4 - Maroczy Bind (1908), SÉRIE B 1.e4 2....
Siegen olm 1970 – Round 18 – Larsen, Bent – 1/2-1/2 – Browne, Walter Shawn – G32
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