MISCALCULATION

It is not surprising that, many years ago when Evans' mind
was not yet so clouded as it is today, he was able to accept
the fact that Fischer's Bxh2 blunder in fact lost material. His
weak attempts to reinterpret this as a deliberate act, however,
clearly indicate that his cold war mentality was already a
serious handicap, causing him to twist and spin events such
as to "fit in" with his contorted, cold war version of reality. --
Help Bog

Instead of spouting your usual drivel, if you actually to take the
trouble to read what GM Evans wrote (he was an eyewitness)
he called Bxh2 a MISCALCULATION in a dead even position.