Anderssen,Adolf -- Staunton,Howard [B40]
London knockout London (3.1), 1851
1.e4 c5 2.d4 cxd4 3.Nf3 e6 4.Nxd4 Bc5 5.Nc3 a6 6.Be3 Ba7 7.Bd3 Ne7 8.0–0 0–0 9.Qh5 Ng6 10.e5 Qc7 11.Rae1 b5 12.f4 Bb7 13.Ne4
Andressen is beginning to build an attack that will punish Staunton for his poor handling of the opening that a century later would begin to be called the Kan variation of the Sicilian Defense.
Staunton decided to eliminate Anderssen's centralized knight with 13...Bxe4. Had he played 13...Nc6, however, how would Anderssen continue the attack? See diagram below.
White to move
My beginning students were shown the second position from Saturday's problem solving contest (see "Sacrificial Attack"). After explaining the solution, they were given a worksheet containing the first five problems from January's "Creating Knight Forks". They needed and were given lots of help.