Column 3 has 1 bead. Column 1 has 2 beads. Different depth → blue (≠). In this engine-verified Small Road (小路 (Siu Lou)) walkthrough, we inspect Mark #1 at Big Road Column 4, Row 1 (looking 2 columns back to Column 1) and trace every step through describeMarkSteps().
RW-SR-R1-BLUE (Small Road, Lookback 2): Mark #1 at Big Road Column 4, Row 1 → Column 3 has 1 bead. Column 1 has 2 beads. Different depth → blue (≠).
Column 3 has 1 bead. Column 1 has 2 beads. Different depth → blue (≠).
Common table reading watchout: Comparing the wrong columns. Compare Column 3, the one that just finished, with Column 1.
Compares Big Road columns separated by 2 columns.
Triggers Rule 1 (Starting a New Column).
Rendered with crisp SIGNAL white (#F4F5F6) lookback boxes.
Steps: 1. Column 4 starts, so use Rule 1: compare Column 3 with Column 1, 2 columns further back. 2. Column 3 has 1 bead. Column 1 has 2 beads. Different depth → blue (≠).
Next-hand probe on this board: If B → -, If P → -.
Whenever a newly started Big Road column (Column 4 or later) follows a finished column (`Column C - 1`) whose bead count differs from the column 2 positions further left (`Column C - 3`), Small Road records a Blue (≠) solid dot.
In `BBPPBP...`, Column 1 has 2 Banker beads (`BB`), Column 2 has 2 Player beads (`PP`), and Column 3 finishes with 1 Banker bead (`B`). When Hand 6 starts Column 4 at Row 1 (`P`), Small Road applies Rule 1: Column 3 has 1 bead, while Column 1 (2 columns further back) has 2 beads. Different depth (1 vs 2) → Blue (≠)!
Our locked road engine summarizes this exact mark in two steps: 1. Column 4 starts, so use Rule 1: compare Column 3 with Column 1, 2 columns further back. 2. Column 3 has 1 bead. Column 1 has 2 beads. Different depth → blue (≠).
| Derived Mark | Big Road Position | Rule Applied | Verdict | describeMark() Explanation |
|---|---|---|---|---|
| Mark #1 (Featured) | Col 4, Row 1 | Rule 1 (New Column) | Blue (≠) | Column 3 has 1 bead. Column 1 has 2 beads. Different depth → blue (≠). |
| Mark #2 | Col 5, Row 1 | Rule 1 (New Column) | Blue (≠) | Column 4 has 1 bead. Column 2 has 2 beads. Different depth → blue (≠). |
| Mark #3 | Col 5, Row 2 | Rule 2 (Continue Down) | Blue (≠) | This bead is at Row 2. Column 3 stopped at Row 1, one row above → blue (≠). |
| Mark #4 | Col 6, Row 1 | Rule 1 (New Column) | Blue (≠) | Column 5 has 2 beads. Column 3 has 1 bead. Different depth → blue (≠). |
| Mark #5 | Col 6, Row 2 | Rule 2 (Continue Down) | Blue (≠) | This bead is at Row 2. Column 4 stopped at Row 1, one row above → blue (≠). |
| Mark #6 | Col 6, Row 3 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 3. Column 4 stopped at Row 1, more than one row above → red (=). |
Always count 2 columns back from the JUST-FINISHED column (`3 - 2 = 1`), never 2 columns back from the new column (`4 - 2 = 2`).
Across the full 34-hand board for RW-SR-R1-BLUE, Small Road records 29 total marks (9 Red = and 20 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.
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About 64 minutes of lessons covering outcomes, the Bead Plate, Big Road columns, and dragon tails.
Train Third-Card Rule decisions, depth counting, lookback column references, and derived-road speed recognition.
Visual step-by-step breakdowns with closed captions, chapter markers, and full searchable transcripts.
Macau Cantonese, French, and mathematical table terms explained in plain English with road diagrams.
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