This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=). In this engine-verified Cockroach Pig (曱甴路 (Gaat Jaat Lou)) walkthrough, we inspect Mark #1 at Big Road Column 4, Row 2 (looking 3 columns back to Column 1) and trace every step through describeMarkSteps().
RW-CP-R2-C1 (Cockroach Pig, Lookback 3): Mark #1 at Big Road Column 4, Row 2 → This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=).
This bead is at Row 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.
Compares Big Road columns separated by 3 columns.
Triggers Rule 2 (Continuing Down a Column).
Rendered with crisp SIGNAL white (#F4F5F6) lookback boxes.
Steps: 1. Column 4 goes down to Row 2, so use Rule 2: look 3 columns back, at Column 1. 2. Column 1 has a bead at Row 2 too → red (=).
Next-hand probe on this board: If B → -, If P → -.
When a Big Road column continues downward to Row `R` (from Column 4 onward), Cockroach Pig applies Rule 2 by looking 3 columns back (`Column C - 3`). Under Case 1, if `Column C - 3` has a bead at Row `R` (`lastRow >= row`), Cockroach Pig marks a Red (=) slash.
In `BBBBPPBPPPP...`, Column 1 has 4 Banker beads (`BBBB`), Column 2 has 2 Player beads (`PP`), Column 3 has 1 Banker bead (`B`), and Column 4 has 4 Player beads (`PPPP`). As Column 4 descends through Row 2, Row 3, and Row 4, Cockroach Pig looks 3 columns back to Column 1 (`4 - 3 = 1`). Because Column 1 has 4 beads covering Rows 2, 3, and 4, all three marks on Cockroach Pig are Red (=) slashes!
Our locked road engine summarizes this exact mark in two steps: 1. Column 4 goes down to Row 2, so use Rule 2: look 3 columns back, at Column 1. 2. Column 1 has a bead at Row 2 too → red (=).
| Derived Mark | Big Road Position | Rule Applied | Verdict | describeMark() Explanation |
|---|---|---|---|---|
| Mark #1 (Featured) | Col 4, Row 2 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 2. Column 1 has a bead at Row 2 too → red (=). |
| Mark #2 | Col 4, Row 3 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 3. Column 1 has a bead at Row 3 too → red (=). |
| Mark #3 | Col 4, Row 4 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 4. Column 1 has a bead at Row 4 too → red (=). |
| Mark #4 | Col 5, Row 1 | Rule 1 (New Column) | Red (=) | Column 4 has 4 beads. Column 1 has 4 beads. Same depth → red (=). |
| Mark #5 | Col 5, Row 2 | Rule 2 (Continue Down) | Red (=) | This bead is at Row 2. Column 2 has a bead at Row 2 too → red (=). |
| Mark #6 | Col 6, Row 1 | Rule 1 (New Column) | Red (=) | Column 5 has 2 beads. Column 2 has 2 beads. Same depth → red (=). |
Notice the stark contrast at Column 4 Row 3: Big Eye Boy looks at Column 3 (depth 1, more than one row above → Red), Small Road looks at Column 2 (depth 2, one row above → Blue), and Cockroach Pig looks at Column 1 (depth 4, has a bead at Row 3 → Red)!
Across the full 34-hand board for RW-CP-R2-C1, Cockroach Pig records 26 total marks (20 Red = and 6 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.
Enter any sequence to inspect the Big Road, Big Eye Boy, Small Road, Cockroach Pig, and next-hand previews.
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.
Direct answers to real student questions on dragon tails, tie handling, lookback rules, and table variants.
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