James Mason (chess player)
…2.f4 exf4 3.Nc3 (allowing 3...Qh4+) is sometimes called the Mason Gambit or Keres Gambit, although Mason lost the only game he played with it (against Samuel Rosenthal at Paris 1878). The 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.0-0 0-0 variation of the Petroff Defence is named after him, as well as…