The game of chess is like a swordfight
You must think first before you move
Toad style is immensely strong and immune to nearly any weapon
When it's properly used it's almost invincible

from Wu-Tang Clan – Da Mystery of Chessboxin Lyrics on Rap Genius

The first two lines are from Shaolin vs. Wu-Tang, as are most of the other movie samples on this album. The second two lines are from Five Deadly Venoms.

Incidentally, Wu-Tang has some dedicated chess players (especially RZA)

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