Official NHA Assessment

Race 5: JOIN THE RACE COAST TURF CLUB MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Redlight Lane
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
8 / 9
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    Mon Papillon         3    60.0    1    0.00     2.5   -     81           6     +6
2    Redlight Lane        3    56.0    2    0.05     2.5   73    73           73    +0
3    Nicci's Law          2    60.0    3    0.45     0.0   63    91           91    +28
4    Up In Flames         2    60.0    4    2.20     0.0   74    89           89    +15
5    Gqeberha             3    60.0    5    2.70     2.5   -     83           83    +83
6    Rare Earth           3    60.0    6    3.70     2.5   64    82           82    +18
7    Burning Desire       3    60.0    7    4.20     2.5   70    82           82    +12
8    Chihiro              2    60.0    8    4.70     0.0   59    86           86    +27
9    Spirit Of Nical      3    60.0    9    99.99    2.5   72    81           81    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mon Papillon - 73 6 +67 2.5 -
2 Redlight Lane Line 73 73 73 ✓ Match 2.5
3 Nicci's Law 63 70 91 -21 0.0 -
4 Up In Flames 74 69 89 -20 0.0 -
5 Gqeberha - 75 83 -8 2.5 -
6 Rare Earth 64 63 82 -19 2.5 -
7 Burning Desire 70 67 82 -15 2.5 -
8 Chihiro 59 62 86 -24 0.0 -
9 Spirit Of Nical 72 72 81 -9 2.5 -
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