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STAGE 2 BANKROLL MATRIX · 2-1-2 MANHATTAN · 20U / 1-SHOE

2-1-2 Manhattan Progression — 20-Unit Bankroll & 1-Shoe (72-Hand) Risk-of-Ruin Matrix

Case M401-0 tracks the table-capped 2-1-2 Manhattan Progression (2-1-2-3-4-5) across a 20-unit bankroll and a 72-hand (1-shoe) window, where a 40-unit table ceiling and 10-unit stop-loss produce a 36.46% ruin rate while calibrates an average stake cadence of 1.10x and 0.94u ($24) in theoretical house-edge toll. Every 8-deck hand remains statistically independent (45.86% Banker, 44.62% Player, 9.52% Tie), meaning progression sizing reshapes session variance without altering the house edge.

Ruin Rate (-10u Stop)
36.46%
Target Hit (+6u Cap)
32.60%
72-Hand Expected Hold
0.94u
Table Max (5-Step Depth)
40u
Engine-Verified Scoreboard · 18 Hands

Read the Board at Table Speed

Open this shoe in /calculator
Big Road B B P P B B B B P P P P B B P B
Big Eye Boy = = = ≠ = ≠ = = = = = = ≠ ≠
Small Road = ≠ = ≠ = ≠ = ≠ = = ≠ ≠
Cockroach Pig = ≠ = ≠ = ≠ ≠ ≠

Reference 8-deck shoe for Matrix Cell M401 (2-1-2 Manhattan Progression, 20u bankroll, 72 hands). Big Road and Bead Plate show Banker (red) and Player (blue); derived roads record structural symmetry.

Big Road B is Banker, P is Player Roads under it Red (=): repeating Blue (≠): breaking
Step-by-Step Mark Proofs (Rule 1 & Rule 2)
Big Eye Boy Mark #2

Column 2 has 2 beads. Column 1 has 2 beads. Same depth → red (=).

  1. Column 3 starts, so use Rule 1: compare Column 2 with Column 1, 1 column further back.
  2. Column 2 has 2 beads. Column 1 has 2 beads. Same depth → red (=).

Common table reading watchout: Comparing the wrong columns. Compare Column 2, the one that just finished, with Column 1.

Small Road Mark #2

This bead is at Row 3. Column 1 stopped at Row 2, one row above → blue (≠).

  1. Column 3 goes down to Row 3, so use Rule 2: look 2 columns back, at Column 1.
  2. Column 1 stopped at Row 2, one row above → blue (≠).

Common table reading watchout: Thinking "no bead at this row" means blue. It is blue only when Column 1 stopped exactly one row above this bead.

Cockroach Pig Mark #2

This bead is at Row 3. Column 1 stopped at Row 2, one row above → blue (≠).

  1. Column 4 goes down to Row 3, so use Rule 2: look 3 columns back, at Column 1.
  2. Column 1 stopped at Row 2, one row above → blue (≠).

Common table reading watchout: Thinking "no bead at this row" means blue. It is blue only when Column 1 stopped exactly one row above this bead.

Verified Reference Data

Key Facts & Table Specifications

Session Bankroll & Horizon
20u / 1 Shoes (72 Hands)

Matrix cell M401 tests 2-1-2 Manhattan Progression with a $25 base unit and -10u/+6u absorbing boundaries.

Stop-Loss Ruin Probability
36.46%

Probability of hitting the -10u drawdown barrier before completing 72 hands or reaching +6u.

Stop-Win Target Completion
32.60%

Share of 72-hand trajectories reaching the +6u session ceiling, with 30.94% ending between barriers.

Table Limit Survival Depth
5 Steps (40u Cap)

A 40-unit house limit and 20-unit stack cap 2-1-2 Manhattan escalation after 5 adverse coups.

Expected Session House Hold
0.94u ($24)

Derived from 79u total action (1.10x average wager) multiplied by the 1.0579% 8-deck Banker edge.

MATRIX CELL M401 · STOP-LOSS & STOP-WIN GEOMETRY

2-1-2 Manhattan 20u bankroll-constrained survival-window Across 72 Hands (M401)

In house-edge-anchored benchmark M401-1, running 2-1-2 Manhattan across 72 deals with 20 units and a 40-unit maximum wager measures 79u of total handle, 0.94u in commission-weighted drift, and a 36.46% probability of exhausting the 10-unit drawdown buffer.

Case M401-2 maps the stochastic 2-1-2 Manhattan Progression (2-1-2-3-4-5) across a 20-unit bankroll and a 72-hand (1-shoe) window, where a 40-unit table ceiling and 10-unit stop-loss produce a 36.46% ruin rate while models an average stake escalation of 1.10x and 0.94u ($24) in theoretical house-edge toll.

M401 Parameter2-1-2 Manhattan (20u)1-Shoe survival-window
2-1-2 Manhattan Ladder2-1-2-3-4-5 (6 steps)Peak 5u multiplier on M401
20u Stack Window72 hands (1 shoes)Barriers -10u / +6u
40u Ceiling & Ruin36.46% ruin vs 32.60% winDepth 5 steps (1 cap hits)
79u Handle & Hold0.94u ($24)Multiplier 1.10x (bankroll-constrained drift)
STEP ESCALATION & TURNOVER AUDIT

40u Ceiling Collisions & 2-1-2 Manhattan Turnover (1 Shoes)

In sequential benchmark M401-3, running 2-1-2 Manhattan across 72 deals with 20 units and a 40-unit maximum wager documents 79u of total handle, 0.94u in commission-weighted drift, and a 36.46% probability of exhausting the 10-unit drawdown buffer.

Case M401-4 benchmarks the drawdown-weighted 2-1-2 Manhattan Progression (2-1-2-3-4-5) across a 20-unit bankroll and a 72-hand (1-shoe) window, where a 40-unit table ceiling and 10-unit stop-loss produce a 36.46% ruin rate while dissects an average stake exposure of 1.10x and 0.94u ($24) in theoretical house-edge toll.

  • Cell M401 rule: lock the -10u stop on your 20u 2-1-2 Manhattan stack across 72 hands.
  • Matrix M401 measures 0.94u ($24) in house hold over 79u of 2-1-2 Manhattan action.
  • Scoreboard check M401: Big Eye Boy, Small Road, and Cockroach Pig use red for repeating symmetry (bankroll-constrained survival-window) and blue for pattern breaks—never for Banker or Player.
Table Reality Check

Myth vs. Truth

MythBringing 20 units to a 1-shoe session lets 2-1-2 Manhattan Progression overcome the 1.058% Banker house edge.
TruthNo bankroll size alters per-hand expectation: over 72 hands, 2-1-2 Manhattan generates 79u in action, 0.94u in expected loss, and a 36.46% stop-loss ruin rate.
MythDerived road colors on the scoreboard tell 2-1-2 Manhattan bettors whether Banker (red) or Player (blue) is due during a 72-hand run.
TruthOn Big Eye Boy, Small Road, and Cockroach Pig, red indicates repeating column structure and blue indicates breaking structure; neither color represents Banker or Player.
6 modules · 36 lessons · $25/month · Module 1 (10 lessons) free

Read Every Derived Road at Table Speed

Every reference guide, glossary definition, and road calculator on Baccarat Smart is open for everyone. When you want all 6 modules and 36 lessons (about 5.5 hours of lessons) organized in structured step-by-step order with 74 hands-on boards, 94 quiz checks along the way, and Cloud Shoe Log sync across web, iPhone, and Android, start Module 1 (10 lessons, about 64 minutes of lessons) free or unlock full membership for $25 a month.

  • Structured step-by-step track across Foundations, Big Eye Boy, Small Road, and Cockroach Pig
  • 74 interactive lesson scoreboards and 94 inline quiz checks with plain-English mark feedback
  • Cloud Shoe Log and cross-device progress on web, iOS, and Android