{"product_id":"duplicate-bridge-403-defending-second-seat-interference-9781771402637","title":"Duplicate Bridge 403: Defending Second-seat Interference","description":"\u003cp\u003eImproving your partnership's ability to overcome interference is essential for good results. Finding the right contract requires a clear understanding of the values represented by responder's bids after the opponents interfere. \u003cem\u003eDuplicate Bridge 403: Defending Second Seat Interference\u003c\/em\u003e provides the reader with two sets of tools for this: \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e1.Hand valuation in competition using an algorithm developed by Lawrence and Wirgren. This method of hand evaluation provides the reader with a competitive advantage relative to older methods of estimating trick count. \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e2.A comprehensive set of bidding structures is provided for defending against bids made in the second seat. Where possible, alternatives are detailed giving partnerships a choice that fits their individual style. Quizzes follow each section allowing the reader to test their understanding. Discussions include defending against: \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e-A Takeout double\u003c\/p\u003e\u003cp\u003e-Natural overcalls using Negative Doubles\u003c\/p\u003e\u003cp\u003e-Two-suited overcalls such as Unusual 2NT, Michaels, and Roman Jump Overcall\u003c\/p\u003e\u003cp\u003e-Two-level opening preempts using the Lebensohl relay\u003c\/p\u003e\u003cp\u003e-Natural overcalls of a 1NT opening (Lebensohl relay)\u003c\/p\u003e\u003cp\u003e-1NT overcalls with one known suit and one unknown suit (Lebensohl relay) \u003c\/p\u003e\u003cp\u003e-1NT overcalls with two known suits (Lebensohl relay)\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eBidding structures for Lebensohl were based on \"The Lebensohl Convention Complete\" by Ron Andersen. \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eThis text is designed to improve your partnership understandings in competition. Given the frequency opponents interfere in today's game a small improvement and can quickly lead you to stronger results. \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cbr\u003e","brand":"Master Point Press","offers":[{"title":"Default Title","offer_id":50512628678930,"sku":"9781771402637","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_ea5d4844-3dd7-4a0e-b867-83031bc29a6d.jpg?v=1730955594","url":"https:\/\/surprise-castle.myshopify.com\/products\/duplicate-bridge-403-defending-second-seat-interference-9781771402637","provider":"Surprise Castle","version":"1.0","type":"link"}