If your unsure how to play against the 4-1-2-1-2 Narrow Diamond, then just play the 4-1-2-1-2 Narrow Diamond against it.
If your unsure how to play against the 4-1-2-1-2 Narrow Diamond, then just play the 4-1-2-1-2 Narrow Diamond against it.
*Retired From Top Eleven*