Official NHA Assessment

Race 3: TAB 4RACING APP MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Fire Glow
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
8 / 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    Josi Mo              2    57.0    1    0.00     0.0   70    77           76    +6
2    Gideon's Daughter    4    57.0    2    1.25     4.5   75    74           74    -1
3    Fire Glow            4    57.0    3    1.35     4.5   73    73           73    +0
4    Sunlit From Heaven   3    60.0    4    2.60     8.0   62    71           71    +9
5    Sky Velocity         5    60.0    5    3.10     0.0   62    86           86    +24
6    Sundrop              6    60.0    6    4.85     0.0   47    83           83    +36
7    Burnt Sugar          2    57.0    7    14.85    0.0   45    77           77    +32
99   Secret Summer        2    57.0    99   0.00     0.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Josi Mo 70 56 76 -20 0.0 -
2 Gideon's Daughter 75 94 74 +20 4.5 -
3 Fire Glow Line 73 67 73 -6 4.5
4 Sunlit From Heaven 62 54 71 -17 8.0 -
5 Sky Velocity 62 57 86 -29 0.0 -
6 Sundrop 47 48 83 -35 0.0 -
7 Burnt Sugar 45 44 77 -33 0.0 -
99 Secret Summer - 52 77 -25 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