<tt id="6hsgl"><pre id="6hsgl"><pre id="6hsgl"></pre></pre></tt>
          <nav id="6hsgl"><th id="6hsgl"></th></nav>
          国产免费网站看v片元遮挡,一亚洲一区二区中文字幕,波多野结衣一区二区免费视频,天天色综网,久久综合给合久久狠狠狠,男人的天堂av一二三区,午夜福利看片在线观看,亚洲中文字幕在线无码一区二区
          US EUROPE AFRICA ASIA 中文
          China / Life

          In a grand slam, find 13 winners

          By Phillip Alder (China Daily) Updated: 2017-04-15 07:40

          Rube Goldberg, who won a Pulitzer Prize in 1948, is best known for a series of cartoons depicting complicated gadgets that perform simple tasks in indirect, convoluted ways.

          Some bridge players can get like that, thinking in convoluted ways instead of in straight lines. In today's deal, for example, how should South play in seven hearts after West leads the club king?

          First, note South's four-heart jump advance of his partner's takeout double. Remember that a bid of three hearts would have promised nothing (although North would have assumed his partner had six or seven points). So, South's jump suggested 9-11 points, which is what he had! Now North, envisioning a slam, used two doses of Blackwood. He would have felt much more comfortable using Roman Key Card Blackwood, because he would have known about South's heart king-queen. (South would have replied five spades to four no-trump to show the trump queen and two key cards, an ace and the trump king, or two aces.) Still, North was confident that his partner would not have the club ace and king, so took a slight chance on the heart suit in jumping to the grand slam.

          Declarer has 11 top tricks: two spades, five hearts, three diamonds and one club. He cannot establish an extra winner anywhere, so must ruff two clubs on the board to bring his trick total up to 13. South should win with his club ace, ruff a club high, cross back to hand with a trump, ruff another club high, draw trumps and claim.

           

          Highlights
          Hot Topics

          ...
          主站蜘蛛池模板: 91麻豆视频国产一区二区| 老熟妇仑乱视频一区二区| 久久精品国产亚洲αv忘忧草 | 亚洲护士一区二区三区| 久久精品国产亚洲av电影| 国产日产欧洲无码视频无遮挡| 国产老熟女无套内射不卡| 国产成人美女AV| 国产精品 无码专区| 国产成人av大片大片| 夜夜添无码一区二区三区| 人妻少妇偷人无码视频| 91色综合综合热五月激情| 亚洲欧美高清在线精品一区二区| 中文字幕日韩精品国产| 亚洲av国产成人精品区| aa级毛片毛片免费观看久| 女人与牲口性恔配视频免费| 久久久久久久一线毛片| 亚洲一区二区三区高清在线看| 中文字幕日韩有码一区| 中国黄色一级视频| 色偷偷中文在线天堂中文| av在线播放日韩亚洲欧我不卡| 亚洲鸥美日韩精品久久| 国产初高中生粉嫩无套第一次| 国产精品分类视频分类一区| 免费高清特级毛片A片| 牛鞭伸入女人下身的真视频| 国产精品中文字幕日韩| 国产精品成人国产乱| 动漫AV纯肉无码AV电影网| 四川bbb搡bbb爽爽视频| 在线国产极品尤物你懂的| 一本久久a久久精品综合| 夜夜爽77777妓女免费看| 中文字幕人成无码免费视频| 国产 浪潮av性色四虎| 国产成人综合欧美精品久久| 亚洲无av中文字幕在线| 久久午夜色播影院|