Extra: Zen Count

Zen Count is a balanced multi-level card counting system using four values: -2, -1, +1, and +2. Compared to Hi-Lo, Zen separately counts A as -1, letting ace depletion reflect directly in the RC, while giving the most favorable low cards (4–6) a stronger +2 signal.

Hi-Lo counts both A and 10 as -1, treating their removal equally, but aces contribute far more to blackjack value than regular 10s. Zen separates them — A counts as -1, while 10/J/Q/K count as -2 — allowing the remaining ace count to be partially read from the RC. This avoids the separate ace side count needed in Hi-Opt I, balancing accuracy and complexity.

Zen Count Card Values

CardCount
4–6+2
2, 3, 7+1
8, 90
A-1
10, J, Q, K-2

True Count Conversion

Zen Count is a balanced system (RC returns to 0 after a full deck), using the same conversion as Hi-Lo: TC = RC / remaining decks. Because the count range extends from -2 to +2, RC fluctuates more than Hi-Lo, and TC values are proportionally larger.

Insurance

SituationBasic StrategyDeviation
Dealer ANo InsuranceTake insurance when TC >= +1

Surrender Deviations

Player HandDealerDeviation
16AH17: surrender when TC >= +1; S17: surrender when TC >= 0
1610Surrender when TC >= 0
169Surrender when TC >= +1
1510Surrender when TC >= +2
15AH17: surrender when TC >= +4; S17: surrender when TC >= +3

Hard Hand Deviations

Player HandDealerBasic StrategyDeviation
1610H / RStand when surrender unavailable and TC >= 0
169HitStand when surrender unavailable and TC >= +2
1510H / RStand when surrender unavailable and TC >= +2
132HitStand when TC >= 0
133HitStand when TC >= -1
122HitStand when TC >= +2
123HitStand when TC >= +1
124StandStand when TC >= 0; Hit when TC < 0
125StandStand when TC >= -2; Hit when TC < -2
126StandStand when TC >= -1; Hit when TC < -1

Double Deviations

Player HandDealerDeviation
11AH17: Double when TC >= +1; S17: Double when TC >= 0
1010Double when TC >= +2
10AH17: Double when TC >= +2; S17: Double when TC >= +1
92Double when TC >= +1
97Double when TC >= +4
85Double when TC >= +5
86Double when TC >= +3
Zen Count has more surrender deviations for 16 vs 9 and 16 vs A than Hi-Lo, because Zen counts A as -1 rather than -2. When aces are relatively abundant in the remaining deck, TC runs higher, allowing earlier recognition of dangerous dealer upcard combinations. Hi-Lo deviation indexes cannot be applied directly to Zen Count.