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Advantage gambling, or advantage play, refers to legal methods, in contrast to cheating in casinos, used to gain an advantage while gambling. The term usually refers to house-banked games, but can also refer to games played against other players, such as poker. Someone who practices advantage gambling is often referred to as an advantage player, or AP. A skillful or knowledgeable player can gain an advantage at a number of games. Blackjack and other table games can usually be beaten with card counting, hole carding, shuffle tracking, edge sorting, or several other methods. Some video poker games, such as full pay Deuces Wild, can be beaten by the use of a strategy card〔(Wizardofodds.com: Video Poker )〕 devised by computer analysis of the game and often for sale in casino gift shops. Some progressive slot machines and lotteries can eventually have such a high jackpot that they offer a positive return or overlay when played long term. Some online games can be beaten with bonus hunting. == Sports and horse betting == Sports and horse betting can be beaten by placing arbitrage bets, which involve placing bets at different bookmakers who are offering different lines. Many online sports books now offer bonuses like free bets or free money. These bonuses usually come with a stipulation that the bettor place a certain number of bets. For example, a site may offer a bettor $50 free if they deposit $100 and place a total of $1000 in bets. These can reduce the vig taken by the house or even offer the bettor a small advantage. Another form of advantage can be found by betting the "middle" on a sports event. This situation occurs when two bookmakers are offering different lines on the same event, or if a bettor has placed a bet and the bookmaker changes the line. The bettor simply takes the most favorable lines at each bookmaker, and if the result of the contest is between the numbers, or in the "middle", then the bettor wins both bets. For example, Bookmaker A lists the Jets to be a 4-point favorite over the Bills. Bookmaker B has the Jets as just a 2-point favorite. The advantage player may bet the Bills +4 with Book A and then the Jets -2 with Book B. If the Jets win by 3, the advantage player collects on both bets. If the Jets win by either 2 or 4, the advantage player collects on one winning bet and the other "push." And if the Jets win or lose by any other total, the two bets cancel out, leaving the advantage player to pay only the vigorish on the bets. Given typical 10-cent lines, a middle need only win 1 time in 21 to break even, which is a realistic goal - the middle is always a plausible result since it is based on the actual strength of the teams. Middling is an example of line arbitrage. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Advantage gambling」の詳細全文を読む スポンサード リンク
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