Official NHA Assessment

Race 3: GALLOP TV MAIDEN PLATE (For all Maidens)

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Line Horse
Taxhaven
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
11 / 11
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    Noble Warrior        4    58.5    1    0.00     1.0   62    71           68    +6
2    Taxhaven             4    60.0    2    0.60     1.0   81    81           81    +0
3    Magic Hat Trick      3    60.0    3    0.90     3.0   -     76           76    +76
4    Intuitive Spirit     4    60.0    4    1.40     1.0   -     79           79    +79
5    Iron Monger          2    60.0    5    1.50     0.0   61    81           81    +20
6    Fire Force           4    60.0    6    1.60     1.0   62    79           79    +17
7    Chief Of Staff       3    60.0    7    4.20     3.0   71    72           72    +1
8    Gijima Mfana         6    60.0    8    5.60     0.0   54    76           76    +22
9    Hunters Arrow        2    60.0    9    8.60     0.0   59    76           76    +17
10   Sauvignon Sam        3    60.0    10   13.80    3.0   -     70           70    +70
99   Triton               3    60.0    99   0.00     3.0   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Noble Warrior 62 54 68 -14 1.0 -
2 Taxhaven Line 81 96 81 +15 1.0
3 Magic Hat Trick - 61 76 -15 3.0 -
4 Intuitive Spirit - 57 79 -22 1.0 -
5 Iron Monger 61 64 81 -17 0.0 -
6 Fire Force 62 60 79 -19 1.0 -
7 Chief Of Staff 71 58 72 -14 3.0 -
8 Gijima Mfana 54 50 76 -26 0.0 -
9 Hunters Arrow 59 54 76 -22 0.0 -
10 Sauvignon Sam - 51 70 -19 3.0 -
99 Triton - 52 70 -18 3.0 -
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