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RW-SR-R2-C1 · SMALL ROAD (LOOKBACK 2)

Small Road Rule 2 Case 1 (Matching Row → Red): Checking Two Columns Left at the Same Row

This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=). In this engine-verified Small Road (小路 (Siu Lou)) walkthrough, we inspect Mark #1 at Big Road Column 3, Row 2 (looking 2 columns back to Column 1) and trace every step through describeMarkSteps().

Small Road
Lookback 2
Big Road Coordinate
C3 · R2
Derived Mark Verdict
RED (=)
Reference Column
Col 1
Engine-Verified Scoreboard · 34 Hands

Read the Board at Table Speed

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

RW-SR-R2-C1 (Small Road, Lookback 2): Mark #1 at Big Road Column 3, Row 2 → This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=).

Big Road B is Banker, P is Player Roads under it Red (=): repeating Blue (≠): breaking
Step-by-Step Mark Proofs (Rule 1 & Rule 2)
Small Road Featured Mark #1 (Col 3, Row 2)

This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=).

  1. Column 3 goes down to Row 2, so use Rule 2: look 2 columns back, at Column 1.
  2. Column 1 has a bead at Row 2 too → red (=).

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

RW-SR-R2-C1 Derived Road & Lookback
Small Road (小路 (Siu Lou)) — Lookback 2 (Solid Circle)

Compares Big Road columns separated by 2 columns.

RW-SR-R2-C1 Active Big Road Coordinate
Column 3, Row 2 (Mark #1)

Triggers Rule 2 (Continuing Down a Column).

RW-SR-R2-C1 Highlight Box Coordinates
Active Bead at Column 3, Row 2 [C3:R2] vs Reference Column 1 (Depth 4) [C1:R1]

Rendered with crisp SIGNAL white (#F4F5F6) lookback boxes.

RW-SR-R2-C1 Verbatim describeMark() Output
This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=).

Steps: 1. Column 3 goes down to Row 2, so use Rule 2: look 2 columns back, at Column 1. 2. Column 1 has a bead at Row 2 too → red (=).

RW-SR-R2-C1 Common Learner Mistake
Thinking "no bead at this row" means blue. It is blue only when Column 1 stopped exactly one row above this bead.

Next-hand probe on this board: If B → -, If P → -.

STEP-BY-STEP COORDINATE PROOF (RW-SR-R2-C1)

How Small Road Evaluates Big Road Column 3, Row 2

When continuing down a Big Road column (Row 2 or lower, from Column 3 onward), Small Road applies Rule 2 by looking 2 columns to the left (`Column C - 2`). Under Case 1, if that reference column has a bead at the current row (`lastRow >= row`), Small Road records a Red (=) solid circle.

In `BBBBPBBBB...`, Column 1 has 4 Banker beads (`BBBB`), Column 2 has 1 Player bead (`P`), and Column 3 has 4 Banker beads (`BBBB`). As Column 3 descends through Row 2, Row 3, and Row 4, Small Road looks 2 columns back to Column 1 (ignoring Column 2 completely!). Because Column 1 has beads at Row 2, Row 3, and Row 4, all three marks on Small Road are Red (=) under Case 1.

Our locked road engine summarizes this exact mark in two steps: 1. Column 3 goes down to Row 2, so use Rule 2: look 2 columns back, at Column 1. 2. Column 1 has a bead at Row 2 too → red (=).

First 6 Marks on Small Road (Lookback 2) in Sequence RW-SR-R2-C1
Derived MarkBig Road PositionRule AppliedVerdictdescribeMark() Explanation
Mark #1 (Featured)Col 3, Row 2Rule 2 (Continue Down)Red (=)This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=).
Mark #2Col 3, Row 3Rule 2 (Continue Down)Red (=)This bead is at Row 3. Column 1 has a bead at Row 3 too → red (=).
Mark #3Col 3, Row 4Rule 2 (Continue Down)Red (=)This bead is at Row 4. Column 1 has a bead at Row 4 too → red (=).
Mark #4Col 4, Row 1Rule 1 (New Column)Red (=)Column 3 has 4 beads. Column 1 has 4 beads. Same depth → red (=).
Mark #5Col 4, Row 2Rule 2 (Continue Down)Blue (≠)This bead is at Row 2. Column 2 stopped at Row 1, one row above → blue (≠).
Mark #6Col 5, Row 1Rule 1 (New Column)Blue (≠)Column 4 has 2 beads. Column 2 has 1 bead. Different depth → blue (≠).
  • 1. Column 3 goes down to Row 2, so use Rule 2: look 2 columns back, at Column 1.
  • 2. Column 1 has a bead at Row 2 too → red (=).
  • Avoid the classic trap: Thinking "no bead at this row" means blue. It is blue only when Column 1 stopped exactly one row above this bead.
CASINO SCOREBOARD APPLICATION (RW-SR-R2-C1)

Reading Small Road (Solid Circle) Live at the Table

Notice how the single Player bead in Column 2 causes Big Eye Boy (lookback 1) to mark Blue at Column 3 Row 2, while Small Road (lookback 2) skips right over Column 2 to compare Column 3 with Column 1 and marks Red (=)!

Across the full 34-hand board for RW-SR-R2-C1, Small Road records 28 total marks (10 Red = and 18 Blue ≠). Remember that each hand in an 8-deck shoe is an independent event and derived roads describe past column symmetry rather than predicting the next winner.

Table Reality Check

Myth vs. Truth

MythA short 1-bead column in Column 2 prevents Small Road from marking Red in Column 3.
TruthOn Rule 2 in Column 3, Small Road looks 2 columns back to Column 1 (`3 - 2 = 1`); Column 2's depth has zero effect on Column 3's Rule 2 marks on Small Road.
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  • Structured step-by-step track across Foundations, Big Eye Boy, Small Road, and Cockroach Pig
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