# AA Vs KK Preflop Equity And 4-Bet All-In Guide | Smarter.Poker

> Source: [AA Vs KK Preflop Matchup on Smarter.Poker](https://smarter.poker/learn/matchups/aa-vs-kk)

## Executive Summary & Exact Preflop Combinatorics
Pocket Aces Dominates Pocket Kings With 82.18% Preflop Equity Across 36 Suit-Independent Combinatoric Pairings, Making AA Vs KK An Automatic Stack-Off At 100BB And 200BB Effective Depth.

- **Hand A (AA)**: 82.18% Total Equity (81.95% Win, 6 Combos)
- **Hand B (KK)**: 17.82% Total Equity (17.59% Win, 6 Combos)
- **Split Pot (Tie %)**: 0.46%
- **Matchup Category**: Overpair Vs Underpair

## Postflop Board Texture Equity Shifts
1. **King-High Dry Board (K-8-3 Rainbow)**: AA Drops To 8.4% Equity Vs Top Set KK; AA Must Rely On Two Remaining Aces Or Running Broadway. - *Recommended Action*: Check-Call Flop And Evaluate Turn Sizing Carefully When KK Flops Top Set (11.8% Frequency).
2. **Ace-High Rainbow Board (A-9-4 Rainbow)**: AA Locks Up 98.9% Equity With Top Set While KK Needs Running Kings For Quads (1.1% Equity). - *Recommended Action*: Bet Small 25% To 33% Pot Across All Three Streets To Extract Maximum Value From Underpair Kings.
3. **Low Connected Board (8-7-6 Two-Tone)**: AA Holds 80.5% Equity While KK Retains 19.5% Via Two King Outs And Backdoor Flush Draws. - *Recommended Action*: Bet 50% To 66% Pot For Value And Denial; Stack Off Unexploitably At Low Stack-To-Pot Ratios.

## Stack-Depth & ICM All-In EV Analysis
- **100BB Cash Game**: Pure 100% 4-Bet And 5-Bet All-In Value For Both AA And KK In 6-Max Cash Games. Folding KK Preflop At 100BB Against Any Balanced Range Is A Massive Mathematical Blunder.
- **200BB Deepstack Cash**: AA Remains A 100% 5-Bet All-In Value Hand. KK Still 4-Bets For Value, Though Against Ultra-Tight UTG 5-Bet Shoves At 200BB+ Some Solvers Mix Flat-Calling KK In Position.
- **25BB Tournament Reshove**: Unconditional 100% Preflop Jam Or Call For Both Hands. At 25BB Effective, Neither AA Nor KK Ever Folds Preflop.
- **Final Table ICM Pressure**: AA Never Folds Under Any Final Table ICM Pressure. KK Only Considers Folding In Extreme Satellite Bubble Scenarios Where Multiple Short Stacks Are Already All-In.

## Frequently Asked Questions
### How Often Does Pocket Kings Beat Pocket Aces Preflop?
Across All 1,712,304 Possible Five-Card Board Runouts, Pocket Kings Wins Outright 17.59% Of The Time And Ties 0.46% Of The Time, Giving KK 17.82% Total Equity Against AA.

### Should You Ever Fold KK Preflop In A 100BB Cash Game?
No. In 100BB 6-Max And 9-Max Cash Games, Balanced 4-Bet And 5-Bet Ranges Contain AKs, AKo, QQ, And Bluffs Like A5s, Giving KK Well Over 55% Equity Against An Opponent Stack-Off Range.

### How Do Shared Suits Affect AA Vs KK Equity?
When AA And KK Share The Exact Same Two Suits, AA Equity Rises To 82.65% Because AA Blocks Both Of KK Backdoor Flush Draws.

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