Sports prediction and betting software. Generates performance-based odds for the upcoming games in any league sports, such as soccer, hockey, etc. Maintains Internet-updateable databases with the past games for over 80 soccer leagues worldwide, UEFA superleague, European Cup 2008, NHL, NFL, and NBA. Keeps track of teams ratings in dynamics. Has built-in sophisticated bet optimizer as a powerful tool. Performs advanced tournament analysis. Features convenient intuitive user interface. Odds Wizard is able to compute fixed odds (1 X 2), double-chance odds (1X 12 2X), Asian handicap odds, fixed handicap odds, totals and correct scores with corresponding odds, half/full time odds. It can handle unlimited number of arbitrary leagues with up to 255 teams, and up to 32768 games per league. Odds Wizard 2.05 "Live Magic" has been fully integrated with the bet optimizer Stake Wizard 4, decision-making software generating an optimal betting strategy. Using sophisticated probability analysis, it does directly instruct bettor as of what bet structure is preferable, as well as of the specific betting fund distribution. Based upon new theorem, Stake Wizard 4 allows to use a realistic range of bankroll growth, and to specify confidence probability of reaching the target fund.