West switched to the king of diamonds but South won the ace, drew trump in three rounds and could claim twelve tricks, N-S +980.
Not even a 5-0 club division could have bothered South because a club ruff would have established a long club as a twelfth winner.
North's resolve to splinter showing adequate trump support and a singleton heart had culminated in the excellent slam. This action did not promise extra values but rather a hand that was worth a raise to the major suit game.
On the way to four spades, it could not cost to disclose heart shortness.
E-W own an eight-card heart fit and a nine-card diamond fit but the adverse vulnerability was a huge roadblock. Hearts would be problematic because of the 4-1 break but West could corral nine tricks in diamonds with trump breaking 2-2. However, West was not inclined to continue in the auction since it was clear that East could hold few values. South's advance to two spades had revealed a good hand and the vulnerability was a contributing factor in the decision to remain silent.
Author: Dave Willis - visit his website at www.insidebridge.ca Questions on bridge can be sent with a stamped, self-addressed envelope to The New Canadian Bridge c/o Torstar Syndication Services, One Yonge St., Toronto, M5E 1E6. Copyright 2017 Torstar Syndication Services