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  2. Borel determinacy theorem - Wikipedia

    en.wikipedia.org/wiki/Borel_determinacy_theorem

    A winning strategy for a player is a function that tells the player what move to make from any position in the game, such that if the player follows the function they will surely win. More specifically, a winning strategy for player I is a function f that takes as input sequences of elements of A of even length and returns an element of A ...

  3. Law of total tricks - Wikipedia

    en.wikipedia.org/wiki/Law_of_total_tricks

    If the N-S diamonds were divided 4-2 instead of 5-1, with clubs consequently divided 3-3, the available total tricks would be only 8 for N-S + 8 for E-W = 16 If, on the other hand, the E-W spades were divided 3-1 instead of 2-2 (with appropriate minor-suit rearrangement), they could make 2 ♥ , while N-S could still make 4 ♠ , giving 18 ...

  4. Determinacy - Wikipedia

    en.wikipedia.org/wiki/Determinacy

    A (class of) game(s) is determined if for all instances of the game there is a winning strategy for one of the players (not necessarily the same player for each instance). [3] There cannot be a winning strategy for both players for the same game, for if there were, the two strategies could be played against each other. The resulting outcome ...

  5. Poker calculator - Wikipedia

    en.wikipedia.org/wiki/Poker_calculator

    Poker calculators are algorithms which through probabilistic or statistical means derive a player's chance of winning, losing, or tying a poker hand. [ 1 ] [ 2 ] Given the complexities of poker and the constantly changing rules, most poker calculators are statistical machines, probabilities and card counting is rarely used.

  6. Solved game - Wikipedia

    en.wikipedia.org/wiki/Solved_game

    A solved game is a game whose outcome (win, lose or draw) can be correctly predicted from any position, assuming that both players play perfectly.This concept is usually applied to abstract strategy games, and especially to games with full information and no element of chance; solving such a game may use combinatorial game theory or computer assistance.

  7. Six Best Calculators for Figuring Out Your Retirement Strategy

    www.aol.com/news/2011-01-25-six-best-calculators...

    Part of planning for retirement is a math exercise -- figuring out how much money you have, how much you need and how to best save enough to build a big enough nest egg before you hang up your ...

  8. Strategy-stealing argument - Wikipedia

    en.wikipedia.org/wiki/Strategy-stealing_argument

    The strategy-stealing argument shows that the second player cannot win, by means of deriving a contradiction from any hypothetical winning strategy for the second player. The argument is commonly employed in games where there can be no draw, by means of the law of the excluded middle .

  9. Sylver coinage - Wikipedia

    en.wikipedia.org/wiki/Sylver_coinage

    Playing 11 cannot rule out any smaller numbers, but playing any of the smaller available numbers (1, 2, 3, 6, or 7) would rule out playing 11, so 11 is an ender. When an ender exists, the next player can win by following a strategy-stealing argument. If one of the non-ender moves can win, the next player takes that winning move.