Basic Strategy for Spanish 21; 6 and 8 deck shoes:

	2	3	4	5	6	7	8	9	10	A
9	H	H	H	H	D	H	H	H	H	H
10	D5	D5	D	D	D	D4	D3	H	H	H
11	D4	D5	D5	D5	D5	D4	D4	D4	D3	D3
12	H	H	H	H	H	H	H	H	H	H
13	H	H	H	H	S4*	H	H	H	H	H
14	H	H	S4*	S5'	S6"	H	H	H	H	H
15	S4*	S5'	S6	S6	S	H	H	H	H	H
16	S6	S6	S6	S	S	H	H	H	H	Rh
17	S	S	S	S	S	S	S6	S6	S6	Rh
A2	H	H	H	H	H	H	H	H	H	H
A3	H	H	H	H	H	H	H	H	H	H
A4	H	H	H	H	D4	H	H	H	H	H
A5	H	H	H	D3	D4	H	H	H	H	H
A6	H	H	D3	D4	D5	H	H	H	H	H
A7	S4	S4	D4	D5	D6	S6	S4	H	H	H
A8	S	S	S	S	S	S	S	S	S6	S6
22	P	P	P	P	P	P	H	H	H	H
33	P	P	P	P	P	P	P	H	H	H
66	H	H	P	P	P	H	H	H	H	H
77	P	P	P	P	P	P$	H	H	H	H
88	P	P	P	P	P	P	P	P	P	R
99	S	P	P	P	P	S	P	P	S	S
AA	P	P	P	P	P	P	P	P	P	P

Legend:    S   [Stand]
                S4 [Stand; Except hit with 4 or more cards]
                S5 [Stand; Except hit with 5 or more cards]
                S6 [Stand; Except hit with 6 or more cards]
                H   [Hit]
                D   [Double]
                D3 [Double; Except hit with three or more cards]
                D4 [Double; Except hit with four or more cards]
                D5 [Double; Except hit with five or more cards]
                P   [Split]
                PS [Split; Except hit with suited sevens]
                R [Surrender]
                Rh [Surrender if allowed otherwise hit]
                * Hit if any 6-7-8 is possible
                ' Hit if suited or spaded 6-7-8 is possible
                " Hit if spaded 6-7-8 is possible