Official NHA Assessment

Race 3: BET WITH TOTE OPEN MAIDEN (For all Maidens)

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Line Horse
Manikongo (AUS)
Reference for assessment
Exact Matches
2 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
5 / 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    Wander Skitt         2    55.5    1    0.00     0.0   63    63           63    +0
2    Devil's Peak         3    53.0    2    1.10     5.0   66    52           56    -10
3    Catrien              3    52.0    3    1.90     5.0   60    49           50    -10
4    Manikongo (AUS)      3    56.5    4    4.60     5.0   55    55           55    +0
5    Etzebeth             3    60.5    5    7.50     5.0   -     63           63    +63
6    Irish Anthem         3    58.5    6    12.00    5.0   59    59           59    +0
7    Captain Lightning    2    57.0    7    12.40    0.0   71    66           66    -5
99   Seafarer             3    54.5    99   0.00     5.0   -     51           51    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Wander Skitt 63 72 63 +9 0.0 -
2 Devil's Peak 66 72 56 +16 5.0 -
3 Catrien 60 60 50 +10 5.0 -
4 Manikongo (AUS) Line 55 55 55 ✓ Match 5.0
5 Etzebeth - 75 63 +12 5.0 -
6 Irish Anthem 59 60 59 +1 5.0 -
7 Captain Lightning 71 66 66 ✓ Match 0.0 -
99 Seafarer - 69 51 +18 5.0 -
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