Kokish Relays over 2C opener.

When partner opens 2C you must respond 2D unless you have a suit to bid showing 2 of the top 3

This system is on over a double but off if they bid a suit.

Interference to any level and you pass with at least an Ace or King and double or redouble with no Ace or King.

After 2C -2D a 2H bid is a relay to 2S.

Openers rebids after 2S.