Online Blackjack Cheat Sheet

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Card Values

2-9 = as numbered

10’s, Jacks, Queens, Kings = 10

Ace - 1 or 11

Card Counting Strategies

Hi-Lo Strategy:

Running count : 2-6= +1; 7,8,9 = 0; 10, J, K, Q = -1
True count: running count/number of decks

K-O strategy:

2-7 = +1; 8 and 9 = 0; 10, J, K, Q and Ace = -1.

Hi-Opt 1 strategy:

3-6 = +1; 2, 7, 8, 9 and Ace = 0; 10, J, K, Q = -1

Hi-Opt 2 strategy:

2,3,6,7 = +1; 4 and 5 = +2; 8 and 9 = 0; 10,J,K,Q = -2.
Separate count of Aces, either as 0, or separately from the main count.

Strategy Advice

  • Stand on 17 and above
  • Stand on soft 19 and 20
  • Hit on 12-16 against dealer 7 or more
  • Hit on 8 or below
  • Double on soft 13-18 if dealer has 4, 5 or 6
  • Double on 11 (except if dealer has Ace)
  • Double on 10 (especially if dealer has 9 or less)
  • Double on 9 if dealer has 6 or less.
  • Split 3’s and 2’s if dealer has 6 or less
  • Split 8’s and Aces
  • Never split 10’s and 5’s
  • Never take insurance
Hand value % of busting
21 100%
20 92%
19 85%
18 77%
17 69%
16 62%
15 58%
14 56%
13 39%
12 31%
11 or less 0%

Basic Strategy Chart

4+ Decks, Dealer Stands on Soft 17
Y
o
u
r

h
a
n
d
Dealer's card
  2 3 4 5 6 7 8 9 10 A
8 H H H H H H H H H H
9 H D D D D H H H H H
10 D D D D D D D D H H
11 D D D D D D D D D H
12 H H S S S H H H H H
13 S S S S S H H H H H
14 S S S S S H H H H H
15 S S S S S H H H R H
16 S S S S S H H R R R
17 S S S S S S S S S S
A,2 H H H D D H H H H H
A,3 H H H D D H H H H H
A,4 H H D D D H H H H H
A,5 H H D D D H H H H H
A,6 H D D D D H H H H H
A,7 S D D D D S S H H H
A,8 S S S S S S S S S S
A,9 S S S S S S S S S S
2,2 P P P P P P H H H H
3,3 P P P P P P H H H H
4,4 H H H P P H H H H H
5,5 D D D D D D D D H H
6,6 P P P P P H H H H H
7,7 P P P P P P H H H H
8,8 P P P P P P P P P P
9,9 P P P P P S P P S S
10,10 S S S S S S S S S S
A,A P P P P P P P P P P
  • H - Hit
  • S - Stand
  • D - Double Down
  • P - Split
  • P - Split if you can double after split, otw hit
  • R - Surrender if allowed, otw hit

Player Options

  • H Hit – take another card
  • S Stand
  • DD Double Down
  • P Split
  • H/P Split if you can double after split, otherwise hit
  • H/R Surrender if allowed, otherwise hit