Official NHA Assessment

Race 6: 4RACING.TV GRADUATION PLATE (For 1 & 2 Time Winners & Maidens)

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Line Horse
Cleaver Greene
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 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    Mrs Browning         5    53.0    1    0.00     0.0   94    95           70    -24
2    Cleaver Greene       3    59.5    2    0.25     2.5   103   103          103   +0
3    Magic Tattoo         5    57.5    3    2.75     0.0   96    104          104   +8
4    Quantum Theory       5    60.0    4    5.25     0.0   108   109          109   +1
5    Now I Got You        5    57.0    5    8.25     0.0   98    103          103   +5
6    Wind Water           3    60.0    6    26.25    2.5   93    104          104   +11
99   Pontiac              3    57.0    99   0.00     2.5   -     98           98    +0
99   Tsar Bomba           3    59.5    99   0.00     2.5   -     103          103   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mrs Browning 94 115 70 +45 0.0 -
2 Cleaver Greene Line 103 102 103 -1 2.5
3 Magic Tattoo 96 93 104 -11 0.0 -
4 Quantum Theory 108 112 109 +3 0.0 -
5 Now I Got You 98 67 103 -36 0.0 -
6 Wind Water 93 89 104 -15 2.5 -
99 Pontiac - 79 98 -19 2.5 -
99 Tsar Bomba - 91 103 -12 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