A list of four surrender index plays.
Values published in blackjack strategy books. Surrender 14 vs 10 at TC +3 or more, 15 vs 10 at TC 0 or more, 15 vs 9 at TC +2 or more, and 15 vs A at TC +1 or more (H17: −1 or more). Use it together with the Illustrious 18 at tables with surrender.