In an attempt to make bigger combinations, some players may take a more cautious approach, holding onto cards longer, while others may be aggressive in forming melds quickly. Countering Their Moves. Understasattknding these trends will help you adjust your approach to successfully thwart their moves. Keeping a close eye on their moves can greatly improve your competitive edge, whether you're blocking their possible melds by discarding important cards or modifying your own gameplay speed when they do. There are a few tricks that can help you improve your rummy skills more quickly, but it takes commitment and practice.