Official NHA Assessment

Race 1: 4RACING WELCOMES YOU WORK RIDERS MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Bilingual
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
7 / 10
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    Thunderbird          4    60.0    1    0.00     7.0   64    69           69    +5
2    Bilingual            4    57.5    2    0.80     7.0   64    64           64    +0
3    Jet Querari          3    60.0    3    2.40     6.0   -     71           71    +71
4    Cyber Spirit         2    57.5    4    4.00     4.0   72    70           70    -2
5    Panthera Uncia       3    56.0    5    4.30     6.0   77    63           67    -10
6    Ringho               4    60.0    6    4.40     7.0   54    69           69    +15
7    Radiant Heat         3    57.5    7    6.40     6.0   76    66           66    -10
8    Sky On Fire          4    60.0    8    14.65    7.0   59    69           69    +10
9    Falcon Wings         3    60.0    9    15.90    6.0   -     71           71    +71
99   The Real Deal        4    60.0    99   0.00     7.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Thunderbird 64 70 69 +1 7.0 -
2 Bilingual Line 64 60 64 -4 7.0
3 Jet Querari - 68 71 -3 6.0 -
4 Cyber Spirit 72 62 70 -8 4.0 -
5 Panthera Uncia 77 60 67 -7 6.0 -
6 Ringho 54 60 69 -9 7.0 -
7 Radiant Heat 76 72 66 +6 6.0 -
8 Sky On Fire 59 60 69 -9 7.0 -
9 Falcon Wings - 47 71 -24 6.0 -
99 The Real Deal - 50 69 -19 7.0 -
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