Official NHA Assessment

Race 2: JOIN THE RACE COAST TURF CLUB OPEN MAIDEN (F & M) (For all Maiden Fillies & Mares)

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Line Horse
Redlight Lane
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 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    Malibu Blitz         3    55.0    1    0.00     6.0   65    65           65    +0
2    Gqeberha             3    60.5    2    1.75     6.0   -     76           76    +76
3    Gathering Winter     2    56.5    3    2.75     4.0   68    72           72    +4
4    Redlight Lane        3    59.0    4    3.50     6.0   73    73           73    +0
5    Blue Dame            3    60.5    5    3.60     6.0   -     76           76    +76
6    Autumn Rush          3    53.5    6    3.65     6.0   70    62           62    -8
7    Saloon Girl          2    56.0    7    5.15     4.0   59    71           71    +12
8    Fantine              3    59.5    8    13.65    6.0   74    74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Malibu Blitz 65 73 65 +8 6.0 -
2 Gqeberha - - 76 -76 6.0 -
3 Gathering Winter 68 68 72 -4 4.0 -
4 Redlight Lane Line 73 73 73 ✓ Match 6.0
5 Blue Dame - 70 76 -6 6.0 -
6 Autumn Rush 70 68 62 +6 6.0 -
7 Saloon Girl 59 53 71 -18 4.0 -
8 Fantine 74 70 74 -4 6.0 -
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