If win: ILC = ( 1 \times 10^-7 ) — extremely lucky. If lose: ILC = ( 1 - 10^-7 \approx 0.9999999 ) — not lucky (expected loss).
: The "secret formula" for luck involves constant skill improvement so that when a chance arises—like a lead actor dropping out—you are ready to seize it. index of luck by chance
A unified version: [ \textILC = 2 \times \min\big(P(K \ge k), P(K \le k)\big) ] is sometimes used for deviation magnitude irrespective of direction. If win: ILC = ( 1 \times 10^-7 ) — extremely lucky