MickyB, on 2012-October-01, 03:20, said:
A world class player basically agreed with c_corgi that the diamond pitch is strongly indicative of holding five diamonds, thus I should play a diamond to the queen, intending to take the double finesse. This sounds pretty reasonable to me. Thoughts? Brian Senior was my RHO, in case this makes any difference.
That's standard after-the-fact analysis having seen all four hands