I play. At trick 2, play ♥Q (or J). 1) If South Ducks, finesse ♦. 1A) Assume South covers ♦Q, ♦A on dummy and ♦ back to J. At trick #5, play ♥9 (or 6) to ward dummy. 1AA) If South ducks again, win with ♥10 on dummy and keep playing ♦s... 1AB) If South wins with ♥K, win any black return (or ♥ with 10 on dummy), cash (or ♥6 to ♥10) and keep playing ♦s... 1B) If South doesn't cover ♦Q with K, cash ♥A and ♦ to dummy, then keep play ♦s 2) If South wins ♥K, win any return. Clear ♦ suit, and 3rd trump to dummy and cask good ♦s.