Ruy Lopez, Open, Howell Attack
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- This article uses algebraic notation to describe chess moves.
In chess, C81 is the ECO code for the Ruy Lopez, Open, Howell Attack chess opening. The game begins 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.Qe2. In this variation, White puts pressure on the knight and plans to pin the d-pawn with a rook on d1, hopefully breaking up the center. Most lines here continue, 9...Be7 10.Rd1 with 10...Nc5 or 10...0-0.