thats why after your X he cant keep X 3d,just 3 -4defence tricks from his hand,if that 2nt guy void in club ( possible after 2nt)2 trciks for defence.2c open not just count 9tricks,if that way, do you open 2c with club akqjxxxxxx 10 card suit but nothing outer side?10 tricks, but whats your defence power , i would say 0.Also that 3h, i said, whatever he like, but he must know what is he doing.He passed 5s that means he didnt know what was he doing.