An article for beguinners:Making tricks is a combination of cashing the ones you started with (the “top tricks”); and promoting others. Mostly, you do not have enough top tricks for your contract, so...
Most players know that when partner opens and the next person makes a takeout double, a redouble shows 10 high-card points. Is that all there is? Do you have to redouble when you have 10 HCP – or are there other options?
Doubling freely bid slams in IMPS should be lead directly only, never for penalty no matter how badly bid . Why ? The mathematics of the IMP scale dictates that strategy.
There’s no shortage of new bidding theories and conventions to try, but if you aren’t selective, your system can become a patchwork of mismatched bidding toys.