Name: | Moscow | Suction | Allerton | |
Pass | Requires redbl | Requires redbl | Requires redbl | |
Redbl | Forces 2![]() |
Forces 2![]() |
Forces 2![]() | |
2![]() |
Stayman | ![]() ![]() ![]() |
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2![]() |
Transfer to ![]() |
![]() ![]() ![]() |
To play | |
2![]() |
Transfer to ![]() |
![]() ![]() ![]() |
To play | |
2![]() |
As without X | To play | ||
2NT | Game forcing 2-suiter | |||
3suit | Pre-emptive | |||
After pass and opener's redouble: | ||||
Pass | To play | To play | To play | |
2![]() |
Bid suits upwards:
Any 2-suiter except ![]() ![]() |
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2![]() |
![]() ![]() |
![]() ![]() | ||
2![]() |
4![]() ![]() |
4/5![]() ![]() | ||
After redouble and opener's 2![]() | ||||
Pass | ![]() |
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2![]() |
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![]() ![]() |
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2![]() |
![]() ![]() |
5![]() ![]() |
5![]() ![]() |
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