ORIGINAL LEADS AGAINST A DECLARED TRUMP

+-----------------+-----------------------------+

| LEAD | FROM |

+-----------------+-----------------------------+

| Ace | Ace and others |

| | Ace, King only |

+-----------------+-----------------------------+

| King | Ace, King, Queen |

| | Ace, King X |

+-----------------+-----------------------------+

| Queen | Queen, Jack, ten |

| | Queen, Jack, nine |

+-----------------+-----------------------------+

| Jack | Jack, ten X |

| | Jack X |

+-----------------+-----------------------------+

| Ten | King, Jack, ten |

| | Ten X |

+-----------------+-----------------------------+

| Nine | Nine X |

+-----------------+-----------------------------+

| Top Card | All short suits except |

| | King X X or Queen X X |

+-----------------+-----------------------------+

| 4th Best | All other combinations |

+-----------------+-----------------------------+

X indicates others.

Bridge Axioms and Laws · 第 39 / 42 题