hi, i play h at trick 2. if Cl return play spades small to the K, and small to 9. if rho shows out put the Ace of spades and run hearts. if D return i ruff 2 Diamonds in dummy coming in hand on Acl and H; 5trumps, 2clubs.
Over 4-level opening bid,(even over 3) we play that suit. A little gadget i use to play if slam view: a 5 level suit over a 4 opening ask partener for control in suit bidded: 1st step: no control 2nd step: round 2 control (k or singleton) 3rd step : round 1 control (A) 4th step: round 0 control (void) so I bid 5Cl asking for Clubs health. if level 1 goto 5Sp :-X else if level 2 goto 6sp else if level 3 or level 4 goto 7sp. :-* or 7nt (MP)