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瓦尼瓦难题（Vaniva Problems），著名双明手难题之一。由美国桥牌专家伦兹于1928年为瓦尼瓦公司赞助的一次比赛所设计，整副牌如下：<br>
S 5<br>
H 85<br>
D AK7<br>
C AK86542<br>
S K107 S 86432<br>
H 9 H Q632<br>
D Q1083 D J62<br>
C QJ1097 C 3<br>
S AQJ9<br>
H AKJ1074<br>
D 954<br>
C --- <br>
南家主打 7H 定约，西家首攻：CQ。<br>
有兴趣的牌友不妨解一解这道80年前的难题：</td></tr></tbody></table>
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看不懂</td></tr></tbody></table>
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经典案例</td></tr></tbody></table>
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想看懂。</td></tr></tbody></table>
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80年前出的题目，要着好生看看，今晚喝麻了，明天清醒了，再来解答一哈。谢谢一碗水。</td></tr></tbody></table>
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:dizzy:</td></tr></tbody></table>
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看不懂</td></tr></tbody></table>
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庄家面临的问题：明手的一张将牌，需要用来将吃飞S,另外一张将牌只能飞一次H,对东的HQ只能采取擒将打法，这就需要手里将吃2次,才能与东保持一样的将牌长度。最后3张时，需要从明手出牌。<br>
问题是将吃C时，东可能抛掉D.怎么来安排合理的顺序.</td></tr></tbody></table>
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有点难</td></tr></tbody></table>
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<div class="quote"><blockquote>庄家面临的问题：明手的一张将牌，需要用来将吃飞S,另外一张将牌只能飞一次H,对东的HQ只能采取擒将打法，这 ...<br>
<font size="2"><font color="#999999">山猫 发表于 2011-2-22 13:30</font> <img id="aimg_Mc6n6" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="http://www.cqxszx.net/images/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt=""></font></blockquote></div><br>
豆是哦，看了半天都觉得难得搞成。</td></tr></tbody></table>
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其实，这副牌不仅仅是擒将的问题，还包含着三重挤牌的打法。<br>
在第一墩CA上，你可以垫去一张D，在第二墩CK上，如果东垫D，你该出啥？该垫S9！这样你就不必将吃飞S，而是飞2次H，清将，对西进行三门花色的挤牌。<br>
如果在第二墩CK上，东垫S，你该出啥？该将吃！这样你就能打出擒将妙招来。</td></tr></tbody></table>
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晕不懂！</td></tr></tbody></table>
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<div class="quote"><blockquote>瓦尼瓦难题（Vaniva Problems），著名双明手难题之一。由美国桥牌专家伦兹于1928年为瓦尼瓦公司赞助的一次比 ...<br>
<font size="2"><font color="#999999">一碗水 发表于 2011-2-21 20:01</font> <img id="aimg_IaVvA" onclick="zoom(this, this.src, 0, 0, 0)" class="zoom" src="http://www.cqxszx.net/images/common/back.gif" onmouseover="img_onmouseoverfunc(this)" lazyloadthumb="1" border="0" alt=""></font></blockquote></div><br>
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不会！:handshake</td></tr></tbody></table>
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:dizzy:</td></tr></tbody></table>
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第2墩，北出CK，东将吃是最笨的防守，初学者都能完成。假如东弃D，则庄家垫S9，立即飞一次H，DA到明手，再飞一次H，连出3轮将，呈如下：<br>
S-5<br>
H-<br>
D-A7<br>
C-86<br>
S-K10 S-8643<br>
H- H-<br>
D-Q10 D-J<br>
C-J C-<br>
S-AQJ<br>
H-4<br>
D-9<br>
C-<br>
现在南出H4，西将面临三重挤压。</td></tr></tbody></table>
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发表于 2019-4-7 16:07:58