A strong memory and knowledge of probability are necessary for this. For example, you can infer that there is a much lower chance of drawing high-value cards if you observe that a numberummy onlyr of them have already been discarded. Rummy players who want to become proficient at card counting should establish a methodical strategy. Sorting cards into groups according to their value & suit is one efficient strategy. You can more accurately estimate your chances of finishing your melds by mentally noting which groups have been used up or are still available.
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