Official NHA Assessment

Race 4: TAB TELEBET 0861 000 822 MR 70 HANDICAP (Open)

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Line Horse
Courageous
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
2 / 8
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Red William          5    60.5    1    0.00     0.0   71    72           71    +0
2    George Handel        4    60.5    2    0.50     0.5   71    76           76    +5
3    Courageous           4    57.5    3    5.25     0.5   65    65           65    +0
4    Alado's Pride        7    62.0    4    5.75     0.0   74    75           75    +1
5    Coulditbe            4    61.5    5    7.50     0.5   73    73           73    +0
6    Cheerful Charlie B   3    58.0    6    11.75    1.0   71    65           65    -6
99   Anchor Man           4    57.5    99   0.00     0.5   -     65           65    +0
99   Twilight Bay         2    60.0    99   0.00     0.0   -     71           71    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red William 71 83 71 +12 0.0 -
2 George Handel 71 85 76 +9 0.5 -
3 Courageous Line 65 62 65 -3 0.5
4 Alado's Pride 74 73 75 -2 0.0 -
5 Coulditbe 73 69 73 -4 0.5 -
6 Cheerful Charlie B 71 61 65 -4 1.0 -
99 Anchor Man - 63 65 -2 0.5 -
99 Twilight Bay - 72 71 +1 0.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points