lycier Posted April 20, 2015 Report Share Posted April 20, 2015 [hv=http://www.bridgebase.com/tools/handviewer.html?sn=机器人&s=S862HQDQ4CAKJ9854&wn=机器人&w=SKQJHA953DKT8762C&nn=机器人&n=SA97543HT72D9C763&en=lycier&e=STHKJ864DAJ53CQT2&d=e&v=n&b=34&a=P1C(Minor%20suit%20opening%20--%203+%20%21C%3B%2011-21%20HCP%3B%2012-22%20total%20points)1D(One-level%20overcall%20--%205+%20%21D%3B%208-17%20HCP%3B%209-19%20total%20points)1S(Free%20bid%20--%204+%20%21S%3B%206+%20total%20points%3B%20forcing)2H(4-%20%21D%3B%205+%20%21H%3B%2011-%20HCP%3B%209-12%20total%20points)D!(Support%20double%20-%203%20S%20--%203+%20%21C%3B%203%20%21S%3B%2011-21%20HCP%3B%2012-22%20total%20points)4C(1-%20%21C%3B%205+%20%21D%3B%203+%20%21H%3B%2015-17%20HCP%3B%2016-19%20total%20points)P4N(Blackwood%20%5BH%5D%20--%204-%20%21D%3B%205+%20%21H%3B%2011%20HCP%3B%201)P6C(Odd%20number%20of%20keycards.%20Void%20in%20C%20--%200%20%21C%3B%205+%20%21D%3B%203+%20%21H%3B%2015-17%20HCP%3B%2016-19%20total%20points)P6H(4-%20%21D%3B%205+%20%21H%3B%2011%20HCP%3B%2012%20total%20points)PPP&p=S2SJSASTD9D3D4DTH3H7HKHQH4C4HAH2H5HTHJC9DADQD2S3DJC5D6S7D5C8DKC3D7S9C2S8D8S5CTS6SQS4CQCASKC6H6CKH8CJH9C7]400|300[/hv] If play 4th suit double,I should make double instead of 2♥ here.Now I strongly suggest Gib should play 4th suit double.The basic meanings :1- Pass = weakish hand2- double = promises 5-card ♥ with ♦ support.3- raising to 2♦ = deny 5-card ♥ .4- bidding 2♥ = 5-card ♥ without ♦ support. Any idea? Quote Link to comment Share on other sites More sharing options...
cloa513 Posted April 20, 2015 Report Share Posted April 20, 2015 [hv=http://www.bridgebase.com/tools/handviewer.html?sn=机器人&s=S862HQDQ4CAKJ9854&wn=机器人&w=SKQJHA953DKT8762C&nn=机器人&n=SA97543HT72D9C763&en=lycier&e=STHKJ864DAJ53CQT2&d=e&v=n&b=34&a=P1C(Minor%20suit%20opening%20--%203+%20%21C%3B%2011-21%20HCP%3B%2012-22%20total%20points)1D(One-level%20overcall%20--%205+%20%21D%3B%208-17%20HCP%3B%209-19%20total%20points)1S(Free%20bid%20--%204+%20%21S%3B%206+%20total%20points%3B%20forcing)2H(4-%20%21D%3B%205+%20%21H%3B%2011-%20HCP%3B%209-12%20total%20points)D!(Support%20double%20-%203%20S%20--%203+%20%21C%3B%203%20%21S%3B%2011-21%20HCP%3B%2012-22%20total%20points)4C(1-%20%21C%3B%205+%20%21D%3B%203+%20%21H%3B%2015-17%20HCP%3B%2016-19%20total%20points)P4N(Blackwood%20%5BH%5D%20--%204-%20%21D%3B%205+%20%21H%3B%2011%20HCP%3B%201)P6C(Odd%20number%20of%20keycards.%20Void%20in%20C%20--%200%20%21C%3B%205+%20%21D%3B%203+%20%21H%3B%2015-17%20HCP%3B%2016-19%20total%20points)P6H(4-%20%21D%3B%205+%20%21H%3B%2011%20HCP%3B%2012%20total%20points)PPP&p=S2SJSASTD9D3D4DTH3H7HKHQH4C4HAH2H5HTHJC9DADQD2S3DJC5D6S7D5C8DKC3D7S9C2S8D8S5CTS6SQS4CQCASKC6H6CKH8CJH9C7]400|300[/hv] If play 4th suit double,I should make double instead of 2♥ here.Now I strongly suggest Gib should play 4th suit double.The basic meanings :1- Pass = weakish hand2- double = promises 5-card ♥ with ♦ support.3- raising to 2♦ = deny 5-card ♥ .4- bidding 2♥ = 5-card ♥ without ♦ support. Any idea? Isn't West hand just a double? Quote Link to comment Share on other sites More sharing options...
helene_t Posted April 20, 2015 Report Share Posted April 20, 2015 I agree that dbl should show five hearts, this is called a snapdragon double and is completely standard. With 4-card support you can bid 3♥, though, or maybe 2nt if you think that 3♥ is too rich and trust that partner can understand that 2NT by a passed hand can only be this hand. If you were not a passed hand it is not so obvious what 3♥ and 2nt would mean. Quote Link to comment Share on other sites More sharing options...
steve2005 Posted April 20, 2015 Report Share Posted April 20, 2015 If play 4th suit double,I should make double instead of 2♥ here. 2- double = promises 5-card ♥ with ♦ support. For this convention is normal to play double as ♥ and ♦ tolerance. This is called by some Snapdragon. With a hand like yours it is very strong for a passed hand. By a passed hand some people play fit jumps so 3♥ would be 5♥ with a good fit for ♦. Good luck getting a new convention BBO doesn't regularly add things, they have enough to do fixing things. Quote Link to comment Share on other sites More sharing options...
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