An entirely different scale can exist on the same diagonal as another if the two are separated by an empty cell. Similarly, a triad can build directly above or below another triad if the two are separated by an empty cell.
Turning the Dice
Its a lot easier to read triads and scales if theyre harmonically spelled correctly. Its easier to read a Db major triad, for example, as Db-F-Ab than as Db-F-G#. Players have the option, when its their turn, to turn the dice in the game so that theyre easier to read (being careful, of course, not to alter their position).
Once in a while, a mistake gets made that no one notices until later an unacceptable triad might slip by, or a scale that isnt quite major. Once a mistake is spotted, the game is forfeit, and the person who discovered the mistake and calls it by saying sting wins the match. (It is irrelevant who made the error initially.)
The effect of the sting rule is that it is sometimes to a players advantage to purposefully let another player make a mistake. Sneaky, yes but legal.
Moot Scales and Triads
It is not unusual during the course of a game that the construction of one scale or triad will inhibit the further development of another. In the example below, A,B has become a moot scale: it is prevented from further expanding upward by another scale that developed after it was begun, and cannot expand downward without breaking the Maximum Verticality rule.
Similarly, triads can become moot. Below, the potential triad G-Bb has been blocked by scales that later developed above and below it.
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