![]() [ECO code E91] |
Old Main Line (alt. route) Black's King's Pawn to K4(e5) challenges White's QP. Other route "chief" since 1960s ECO coding. White Black White Black 1. P-Q4 Kt-KB3 6. B-K2 QKt-Q2 2. P-QB4 P-KKt3 7. 0-0 P-K4 3. Kt-QB3 B-Kt2 4. P-K4 P-Q3 Main 7B,6B route 5. Kt-B3 0-0 Transp.from Old Ind. WHITE to or Undo or Jump or Clear |
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