# Conventions: Roman Key Card Blackwood 1430 by Eddie Kantar

The complete Roman Key Card Blackwood 1430 convention as nobody ever explain it …

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On 7 August, 2014 At 12:58

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Roman Key Card Blackwood 1430*

4NT when Hearts or Spades are the agreed upon suit (Key Card Ask)

5 = 1 or 4 Key Cards
5 = 0 or 3 Key Cards
5 = 2 or 5 Key Cards without the Queen of Trump
5 = 2 or 5 Key Cards with the Queen of Trump or holding a 5th Trump

Kickback

Use 4 Diamonds as Key Card ask when CLUBS is the agreed Upon suit
Use 4 Hearts as Key Card ask when DIAMONDS is the agreed Upon suit

Voids

5NT = 0, 2 or 4 an even number of Key Cards with a void
6 of suit below the trump suit = odd number key cards (1/3) void in the suit below the trump suit
6 trump suit = odd number of key cards (1/3) with a void in higher ranking suit

DOPI/ROPI Interference at the 5 level DBL/RE-DBL: 0 or 3 Key Cards and PASS: 1 or 4 Key Cards

DEPO Interference at the 6 level DBL: Even # Key Cards (0/2/4) or PASS: Odd # (1/3)

Responses:

6 Level of agreed Suit: With Queen and no side-suit king or extra trump
6 Level of Lower King Suit: With Queen and 1/2 side-suit kings
5NT: With Queen without a side-suit king, but trump extra

5NT is a Specific King ASK (NOT NUMBER OF KINGS)

YES: Bid Lowest King Suit BELOW the agreed upon trump suit

Holding a SECOND king: Make a 1st step response, including 6NT with Kxx(x)
Make a 2nd step response with Kxx
Raise the ask suit with Kx

SPECIFIC SUIT ASK (SSA) After 5: 5,6,6 is SSA. After 5: 5,6,6 is SSA
Make a 1st step response, including 6NT with third-round control Qx(x), Ax, AQx, xx
Make a 2nd step response with second-round control Kxx(x)
Make a 3rd step response with Kx