The reponder's 2nd bid with a 5-4 in the majors, after a 2♦ rebid by the opener
With less than 10HCP, the responder bids :
- 2♥ with 5 cards in ♥
- 2 ♠ with 5 cards in ♠
The opener will bid game if he is maximum
With 10+HCP the reponder uses the Criss Cross :
- 3 ♥ with 5 cards in ♠ and 4 in ♥
- 3 ♠ with 5 cards in ♥ and 4 in ♠
The opener rectifies to 4
♠ or 4
♥ and will be the declarer