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-   -   2-7 CP hand that I had trouble with (http://archives1.twoplustwo.com/showthread.php?t=408128)

Velocity 05-21-2007 12:56 AM

2-7 CP hand that I had trouble with
 
2-4 scoring system
367JQ [img]/images/graemlins/spade.gif[/img] 246789TQ

Option 1: 367JQ [img]/images/graemlins/spade.gif[/img] 24678 QT9
Option 2: 7766T 23489 QQJ
Option 3: QJT98 23467 Q76
Option 4: Chosen by you!

What do you guys do here?

2461Badugi 05-21-2007 01:32 AM

Re: 2-7 CP hand that I had trouble with
 
Option 3 is obviously worse than JT987 23467 QQ6, which might be worse than T9876 23467 QQJ. I suspect #1 scores the best, though.

MarkGritter 05-21-2007 01:43 AM

Re: 2-7 CP hand that I had trouble with
 
Wild-ass guess: I like 789TJ 23467 QQ6. I think making #2 in the middle and queens in front more than makes up for the relatively weak back.

MarkGritter 05-21-2007 01:48 AM

Re: 2-7 CP hand that I had trouble with
 
I was close, it looks like going with QQJ in front might be a tiny bit better. From a sample of 12825 opponent hands, here are the undominated options:

-2.7568 8d9hTcJsQd 2c3s4d6h6s 7c7sQs
-2.41481 7c8d9hTcJs 2c3s4d6h6s 7sQdQs
-2.28881 8d9hTcJsQd 2c3s4d6hQs 6s7c7s
-1.1848 3s6s7sJsQs 2c4d6h7c8d 9hTcQd
-0.858012 8d9hTcJsQd 2c3s4d6h7c 6s7sQs
0.39462 7c8d9hTcJs 2c3s4d6h7s 6sQdQs
0.39883 6h7c8d9hTc 2c3s4d6s7s JsQdQs

As you can see, the flush is a losing option. Making a weak flush can't compensate for a weaker middle and a very weak front.

MarkGritter 05-21-2007 01:58 AM

Re: 2-7 CP hand that I had trouble with
 
P.S. I tried a couple different suit assignments to get some idea how accurate my sample was (removing the truly awful options).

dddccchh:
-1.16457 3s6s7sJsQs 2d4d6d7c8c 9cThQh 12742
-0.832522 8c9cThJsQh 2d3s4d6d7c 6s7sQs 12742
0.422854 7c8c9cThJs 2d3s4d6d7s 6sQhQs 12742
0.429054 6d7c8c9cTh 2d3s4d6s7s JsQhQs 12742

hhhdddcc:
-1.18815 3s6s7sJsQs 2h4h6h7d8d 9dTcQc 12692
-0.842972 8d9dTcJsQc 2h3s4h6h7d 6s7sQs 12692
0.439332 7d8d9dTcJs 2h3s4h6h7s 6sQcQs 12692
0.450441 6h7d8d9dTc 2h3s4h6s7s JsQcQs 12692

ccddhhcc:
-1.21522 3s6s7sJsQs 2c4c6d7d8h 9hTcQc 12810
-0.874707 8h9hTcJsQc 2c3s4c6d7d 6s7sQs 12810
0.371741 7d8h9hTcJs 2c3s4c6d7s 6sQcQs 12810
0.378454 6d7d8h9hTc 2c3s4c6s7s JsQcQs 12810

hhhhccdd:
-1.16418 3s6s7sJsQs 2h4h6h7h8c 9cTdQd 12669
-0.847186 8c9cTdJsQd 2h3s4h6h7h 6s7sQs 12669
0.399479 7h8c9cTdJs 2h3s4h6h7s 6sQdQs 12669
0.41124 6h7h8c9cTd 2h3s4h6s7s JsQdQs 12669

ccccdddd (Completely live hearts):
-1.22496 3s6s7sJsQs 2c4c6c7c8d 9dTdQd 12602
-0.958261 8d9dTdJsQd 2c3s4c6c7c 6s7sQs 12602
0.302571 7c8d9dTdJs 2c3s4c6c7s 6sQdQs 12602
0.310586 6c7c8d9dTd 2c3s4c6s7s JsQdQs 12602

hhhhcccc (completely live diamonds)
-1.217 3s6s7sJsQs 2h4h6h7h8c 9cTcQc 12894
-0.953389 8c9cTcJsQc 2h3s4h6h7h 6s7sQs 12894
0.318753 7h8c9cTcJs 2h3s4h6h7s 6sQcQs 12894
0.330541 6h7h8c9cTc 2h3s4h6s7s JsQcQs 12894

The choice of suits and different random samples thus seem to impact EV by about 1/10th of a point--- not enough to affect the best choice here.


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