Tic-Tac-Toe Endgame data set 1: Description. This database encodes the complete set of possible board configurations at the end of tic-tac-toe games, where x is assumed to have played first. The target concept is win for x (i.e., true when x has one of 8 possible ways to create a three-in-a-row). Attributes description: 1. TopLeft -> top-left-square: {x,o,b} 2. TopMiddle -> top-middle-square: {x,o,b} 3. TopRight -> top-right-square: {x,o,b} 4. MiddleLeft -> middle-left-square: {x,o,b} 5. MiddleMiddle -> middle-middle-square: {x,o,b} 6. MiddleRight -> middle-right-square: {x,o,b} 7. BottomLeft -> bottom-left-square: {x,o,b} 8. BottomMiddle -> bottom-middle-square: {x,o,b} 9. BottomRight -> bottom-right-square: {x,o,b} 2: Type. Classification 3: Origin. Real world 4: Instances. 958 5: Features. 9 6: Classes. 2 7: Missing values. No 8: Header. @relation tic-tac-toe @attribute TopLeft {x, o, b} @attribute TopMiddle {x, o, b} @attribute TopRight {x, o, b} @attribute MiddleLeft {x, o, b} @attribute MiddleMiddle {o, b, x} @attribute MiddleRight {o, b, x} @attribute BottomLeft {x, o, b} @attribute BottomMiddle {o, x, b} @attribute BottomRight {o, x, b} @attribute Class {positive, negative} @inputs TopLeft, TopMiddle, TopRight, MiddleLeft, MiddleMiddle, MiddleRight, BottomLeft, BottomMiddle, BottomRight @outputs Class