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Money bridge strategy


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Well basically you are playing total points:

 

Let's assume the question is to bid 4 or not.

Not vulnerable if you bid it and make it: +420

If you bid it and don't make it: -50

If you don't bid it and make it: +170

If you don't bid it and don't make it: +140

 

So you either win 250 points or lose190, which means you need 43% chance to make it to break even.

 

Vulnerable you either win 450 points or lose 240, which means you need 35% chance to make it to break even.

 

Now small slam:

NV you either win 500 (980 to 480) points or lose 500 (450 to -50), so 50% is needed.

V you either win 750 (1430 to 680) or lose 750 (650 to -100), so again 50% is needed.

 

Finally GRAND slam:

NV you either win 500 (1510 to 1010) or lose 1030 (980 to -50), you need 67% chance.

V you either win 750 (2210 to 1460) or lose 1530 (1430 to -100), so again 67% chance.

 

Just FYI :rolleyes:

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