Tournament Basic Strategy Variations from GameMasterOnLine.com  (6-decks, das, H17)
Hit or Stand
Your Hand	Dealer's Up card	Stand	Hit	Difference	Comments
10,2	2	-.290	-.252	-.038	You give up the most by standing with this hand
9,3 & 8,4	2	-.286	-.256	-.030
7,5	2	-.282	-.254	-.028	You give up the least by standing with this hand
6,6	2	-.282	-.254	-.028	Stand or hit, as opposed to splitting (See below)
10,2	3	-.249	-.232	-.017	You give up the most by standing with this hand
9,3	3	-.248	-.237	-.011
8,4	3	-.242	-.233	-.009	You give up the least by standing with this hand
7,5	3	-.241	-.232	-.009	You give up the least by standing with this hand
6,6	3	-.241	-.232	-.009	Stand or hit, as opposed to splitting (See below)
10,2	4	-.206	-.211	-.005	You give up the least by hitting this hand
9,3	4	-.203	-.216	-.013
8,4	4	-.202	-.214	-.012
7,5	4	-.197	-.211	-.014	You give up the most by hitting this hand
6,6	4	-.197	-.210	-.013	Stand or hit, as opposed to splitting (See below)
10,6	9	-.543	-.505	-.038	Stand or hit, as opposed to surrender (See below)
9,7	9	-.543	-.505	-.038	Stand or hit, as opposed to surrender (See below)
8,8	9	-.539	-.506	-.033	Stand or hit, as opposed to splitting (See below)
10,6	10	-.541	-.535	-.006	Stand or hit, as opposed to surrender (See below)
10,2,4	10	-.541	-.541	.000	A 3-card 16 is a tossup on hitting or standing.
9,7	10	-.537	-.535	-.002	Stand or hit, as opposed to surrender (See below)
8,8	10	-.537	-.535	-.002	Stand or hit, as opposed to splitting (See below)
A,7	A	-.225	-.161	-.064	It's a pretty serious mistake to just stand
A,7	10	-.180	-.143	-.037	It's a pretty serious mistake to just stand
A,7	9	-.183	-.098	-.085	It's a very serious error to just stand
Hard Double (Equal Bets)
Your Hand	Dealer's Up card	Hit	Double	Difference	Comments
11	A	+.107	+.119	+.012	Average for all player hands that total 11
11	10	+.119	+.178	+.059	Average for all player hands that total 11
10	10	+.027	-.006	-.033	Average for all player hands that total 10
10	9	+.117	+.146	+.029	Average for all player hands that total 10
9	7	+.176	+.118	-.058	Average for all player hands that total 9
9	2	+.076	+.068	-.008	Average for all player hands that total 9
8 (4,4)	6	+.113	+.093	-.020	Hit or double, as opposed to splitting (See below)
8 (5,3)	6	+.114	+.092	-.022	Also includes hand of 6,2
8 (4,4)	5	+.083	+.027	-.056	Hit or double, as opposed to splitting (See below)
Soft Double (Equal Bets)
Your Hand	Dealer's Up card	Hit	Double	Difference	Comments
A,2	6	+.166	+.204	+.038	It's a pretty big mistake to not double.
A,2	5	+.138	+.141	+.003	You don't give up much by just hitting.
A,2	4	+.104	+.071	-.033	Clearly a hit.
A,3	6	+.146	+.203	+.057	It's a big mistake to not double.
A,3	5	+.116	+.139	+.023	You don't give up much by just hitting.
A,3	4	+.083	+.070	+.013	Better to hit than double
A,4	6	+.126	+.200	+.074	Clearly a double.
A,4	5	+.095	+.135	+.040	Ditto.
A,4	4	+.061	+.065	+.004	Pretty much a tossup.
A,5	6	+.111	+.202	+.091	It's a big mistake to not double.
A,5	5	+.076	+.130	+.054	Ditto.
A,6	2	-.002	-.049	-.047	Clearly a hit.
A,7	2	+.113 (S)	+.116	+.003	A modest gain from doubling versus standing.
A,8	6	+.452	+.462	+.010	A modest gain from doubling versus standing.
A,9	6	+.676 (S)	+.563	-.114	Much better to stand.
Pairs
Your Hand	Dealer's Up card	Stand/ Hit	Split	Difference	Comments
A-A	10	-.067 (H)	+.182	+.249	Hate splitting Aces vs. a 10? Bad play to just hit.
10-10	6	+.677 (S)	+.505	-.172	It's a big mistake to split this winning hand.
10-10	5	+.669 (S)	+.423	-.246	This is an even bigger mistake.
10-10	4	+.654 (S)	+.333	-.321	It's crazy to split 10s against a 4.
10-10	3	+.636 (S)	+.253	-.383	This is even crazier.
9-9	9	-.185 (S)	-.082	+.103	You lose less by splitting, as opposed to standing
9-9	2	+.113 (S)	+.195	+.082	It's a big mistake to not split here.
8-8	A	-.539 (H)	-.515	+.024	Better to surrender than split (see below)
8-8	10	-.537 (H)	-.476	+.061	Because of das, better to split than surrender
8-8	9	-.506 (H)	-.390	+.116	You lose less by splitting, as opposed to hitting.
6-6	2	-.254 (H)	-.190	+.064	You lose less by splitting, as opposed to hitting
4-4	6	+.113 (H)	+.208	-.095	Because of das, better to split than hit
4-4	5	+.083 (H)	+.115	+.032	Because of das, better to split than hit
Surrender
Your Hand	Dealer's Up card	Stand/ Hit	Surrender	Difference	Comments
10,7	A	(S) -.514	-.500	+.014	Better to surrender than stand
8,8	A	(S) -.595	-.500	+.095	Better to surrender than stand
8,8	A	(H) -.538	-.500	+.038	Better to surrender than hit
8,8	A	(P) -.515	-.500	+.015	Better to surrender than split
10,6	10	(H) -.535	-.500	+.035	Better to surrender than hit
9,7	10	(H) -.535	-.500	+.035	Better to surrender than hit
8,8	10	(H) -.535	-.500	+.035	Better to split than surrender (see above)
10,6	9	(H) -.505	-.500	+.005	Better to surrender than hit
9,7	9	(H) -.505	-.500	+.005	Better to surrender than hit
8,8	9	(H) -.506	-.500	+.006	Better to split than surrender (see above)
		(P) = Split
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