ROPI is the acronym for "Redouble = 0, Pass = 1." It is a convention used after partner bids 4NT Blackwood or 4C Gerber, but the next player doubles. This situation is rare, but occasionally occurs when the opponents double to show a potential sacrifice, e.g.

5
HKQT5
DAT987
CA63
  

You
1
?

LHO
3


Partner
4NT


RHO
Double 1

  1. Shows spade support in case partner likes his hand and is interested in sacrificing. A direct 5 overcall would be stronger.


Using ROPI, responder has the following bids available:

Redouble 0 aces
Pass 1 ace
Cheapest bid over the overcall 2 aces
Second-cheapest bid 3 aces
Third-cheapest bid 4 aces


If playing Roman Key Card Blackwood, the responses are:

Redouble 0, 3 or 5 keycards
Pass 1 or 4 keycards
Cheapest bid over the overcall 2 keycards without the trump queen
Second-cheapest bid 2 keycards with the trump queen


If partner bids 4NT followed by 5NT, he is making a Blackwood query for kings. All other rebids by partner are natural signoffs.

See also

  • DEPO
    A conventional Blackwood or Gerber response after interference: Double = Even, Pass = Odd.

  • DOPI
    A conventional Blackwood or Gerber response after interference: Double = 0, Pass = 1.

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