Card play rules based on position
The strategy which card to play changes according to your position in the trick.
First lead:
Determines other players strategy, has its own rules.
Second seat:
The second seat plays low, covers an honor with an honor, or wins the trick.
Third seat:
The third seat plays high unless you cannot beat the opponent or your partner played a high card.
Last card:
Watch all the cards played and play accordingly.
Honor rule 1:
Lead of an honor promisses the immediate lower honor or it is short, i.e. Kx
Honor rule 2:
If you are on the 2nd or 3rd seat, play the lowest honor from the sequence
Honor rule 3:
Lead a low card if you have an honor, high card if you don't have an honor
Honor rule 4:
If you are declaring, play your highest honor from your hand to hide the other honors