Though I primarily play 6-deck games, I sometimes find a favorable 2-deck game. So far, I've just been using the 6-deck index numbers. This leads me to two questions:
1) What is the disadvantage (in terms of expected win percentage) of using 6-deck indices with 2 decks?
2) What are the correct 2-deck high-low indices? Professional Blackjack only gives numbers for single- and 4-deck games.