Official NHA Assessment

Race 3: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Trend Maker
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
8 / 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    Good Living          3    60.0    1    0.00     4.5   76    73           73    -3
2    Trend Maker          3    60.0    2    5.00     4.5   73    73           73    +0
3    Galactic Lover       3    58.5    3    6.20     4.5   54    70           70    +16
4    Sovereign Command    3    56.0    4    6.70     4.5   72    65           65    -7
5    Verification         3    60.0    5    9.60     4.5   -     73           73    +73
6    Little Cracker       3    60.0    6    10.90    4.5   71    73           73    +2
7    Mont Tremblant       3    56.0    7    13.00    4.5   65    65           65    +0
8    Jailhouse Cat        3    60.0    8    15.50    4.5   -     73           73    +73
9    Moriarty             3    60.0    9    16.70    4.5   -     73           73    +73
10   Augrabies            3    60.0    10   17.60    4.5   -     73           73    +73
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Good Living 76 79 73 +6 4.5 -
2 Trend Maker Line 73 73 73 ✓ Match 4.5
3 Galactic Lover 54 62 70 -8 4.5 -
4 Sovereign Command 72 62 65 -3 4.5 -
5 Verification - 67 73 -6 4.5 -
6 Little Cracker 71 61 73 -12 4.5 -
7 Mont Tremblant 65 56 65 -9 4.5 -
8 Jailhouse Cat - 46 73 -27 4.5 -
9 Moriarty - - 73 -73 4.5 -
10 Augrabies - 56 73 -17 4.5 -
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