Only 2 diamonds with 20 total points

[AyunuS]

http://tinyurl.com/l7txxf7

 

Advanced robots, IMPs.

 

I feel like this is an easy 3♦ bid here, not 2♦.

[lycier]

Here I like rebid-2N instead of 3♦.

[hv=http://www.bridgebase.com/tools/handviewer.html?sn=Robot&s=SJ952HT2DA654CKT2&wn=Robot&w=SQTHJ985DQ8C87643&nn=lycier&n=SK83HAKQ63DK972CA&en=Robot&e=SA764H74DJT3CQJ95&d=n&v=o&b=1&a=1H(Major%20suit%20opening%20--%205+%20%21H%3B%2011-21%20HCP%3B%2012-22%20total%20points)P1S(One%20over%20one%20--%204+%20%21S%3B%206+%20total%20points)P2N(Jump%20in%20notrump%20--%202-3%20%21C%3B%202-3%20%21D%3B%205%20%21H%3B%202-3%20%21S%3B%2017-19%20HCP%3B%2022-%20total%20points%3B%20partial%20stop%20in%20%21C%3B%20partial%20stop%20in%20%21D)P3N(4+%20%21S%3B%208-13%20HCP)PPP&p=D3D4DQDKD7DTD5D8CQC2C3CAHAH7H2H9HKH4HTH5HQS7S2HJH3S4S5H8SQSKSAS9DJDAC7D2&c=10]400|300[/hv]

 

If jump bid 3♦, robot often likes to raise to 4♦.

[hv=http://www.bridgebase.com/tools/handviewer.html?sn=Robot&s=SJ952HT2DA654CKT2&wn=Robot&w=SQTHJ985DQ8C87643&nn=lycier&n=SK83HAKQ63DK972CA&en=Robot&e=SA764H74DJT3CQJ95&d=n&v=o&b=1&a=1H(Major%20suit%20opening%20--%205+%20%21H%3B%2011-21%20HCP%3B%2012-22%20total%20points)P1S(One%20over%20one%20--%204+%20%21S%3B%206+%20total%20points)P3D(Jump%20shift%20--%205+%20%21H%3B%2018-21%20HCP%3B%20biddable%20%21D%3B%2019-22%20total%20points%3B%20forcing%20to%203N)P4D(4+%20%21D%3B%202-%20%21H%3B%204+%20%21S%3B%206+%20total%20points)P5D(5+%20%21H%3B%2018-21%20HCP%3B%20biddable%20%21D%3B%2019-22%20total%20points)PPP&p=CQC2C3CADKD3D4D8D2DTDADQCKC4S3C5HTHJHQH4HKH7H2H5HAS7S2H8H3S4D5H9CTC7D7CJH6S6S5C8S8SAS9STDJD6C6D9C9SJSQSK]400|300[/hv]

[AyunuS]

Okay, sure you can bid 2NT, that's not really the focus of this. The main thing is that 2♦ seems wrong and the hand is too strong to bid that.