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| | World Correspondence Chess Federation |
 | | Nxd4 Nf6, 5.Nc3 Nc6 6.Bg5 e6 B62 Sicilian: Richter-Rauzer, Podvebrady variation 1.e4 c5, 2.Nf3 d6, 3.d4 cxd4, 4.Nxd4 Nf6, 5.Nc3 Nc6, 6.Bg5 e6, 7.Nb3 B62 Sic.: Richter-Rauzer, Margate (Alekhine) var. |
 | | Bg5 g6 B60 Sicilian: Richter-Rauzer, Larsen variation 1.e4 c5, 2.Nf3 d6, 3.d4 cxd4, 4.Nxd4 Nf6, 5.Nc3 Nc6, 6.Bg5 Bd7 ------------------------------------ B61 --------------------- B61 Sicilian: Richter-Rauzer, Larsen variation, 7.Qd2 1.e4 c5, 2.Nf3 d6, 3.d4 cxd4, 4. |
 | | 1.e4 Nf6 B02 Alekhine's defence: Scandinavian variation 1.e4 Nf6, 2.Nc3 d5 B02 Alekhine's defence: Spielmann variation 1.e4 Nf6, 2.Nc3 d5, 3.e5 Nfd7, 4.e6 B02 Alekhine's defence: Maroczy variation 1.e4 Nf6, 2.d3 B02 Alekhine's defence: Krejcik variation 1.e4 Nf6, 2.Bc4 B02 Alekhine's def: Mokele Mbembe (Buecker) var. |
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