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The Fisher Roulette Strategy, often associated with Martin Silverthorne, is a bankroll management system designed for even-money bets, using a moderate, non-doubling progression to protect capital. This method involves a three-spin, fixed-bet sequence that triples the stake only after net losses, designed to offer longer play sessions compared to aggressive systems like Martingale. For a detailed breakdown, you can review the Fisher Roulette Strategy Manual .