These levels are not necessarily consistent with equivalent human levels. The lower the level, the more random the move and the less variables or positions considered.
Expert
Has the proper balance between attack and offense. Evaluates every variable and can play any position for maximum equity. Has keen insight into the flow of the game.
Advanced
Understands all the mechanics of the game. Strong consistent play in most situations.
Intermediate
Uses the concepts of priming and distribution. Has reasonable structure, but still overlooks many factors.
Novice
Has some concept of the game, but only considers the immediate move and not subsequent rolls. Plays extremely conservative (afraid of being hit).
Beginner
Knows the basic moves, but has minimal strategy. Inconsistent play; may not make the same move in the same situation.