Official NHA Assessment

Race 5: PLAY SOCCER 6, 10 AND 13 MR 75 HANDICAP (Open)

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Line Horse
Pewter Sky
Reference for assessment
Exact Matches
2 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
3 / 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    Royal Guide          4    60.5    1    0.00     0.5   76    76           76    +0
2    Napoleon             3    57.0    2    2.10     1.5   69    70           70    +1
3    Pewter Sky           3    60.0    3    2.50     1.5   75    75           75    +0
4    Dungeons             2    58.0    4    3.50     0.0   73    73           73    +0
5    Maboneng             3    56.5    5    4.25     1.5   68    67           67    -1
6    Rosy Lemon           5    56.0    6    4.50     0.0   69    68           68    -1
7    Princess Ilaria      5    60.5    7    5.00     0.0   78    77           77    -1
8    Silent Trigger       6    59.5    8    5.25     0.0   74    75           75    +1
9    Follow My Path       5    52.0    9    5.50     0.0   58    60           60    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Royal Guide 76 87 76 +11 0.5 -
2 Napoleon 69 72 70 +2 1.5 -
3 Pewter Sky Line 75 71 75 -4 1.5
4 Dungeons 73 73 73 ✓ Match 0.0 -
5 Maboneng 68 67 67 ✓ Match 1.5 -
6 Rosy Lemon 69 72 68 +4 0.0 -
7 Princess Ilaria 78 79 77 +2 0.0 -
8 Silent Trigger 74 60 75 -15 0.0 -
9 Follow My Path 58 54 60 -6 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