Official NHA Assessment

Race 5: KINGS CUP (Listed) (For all Horses)

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Line Horse
Origami
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
5 / 11
Within 2 points
Significant Diffs
3 / 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    Cat Daddy            6    57.5    1    0.00     0.0   101   101          101   +0
2    Shampompo Shampizi   7    52.0    2    1.30     0.0   89    93           93    +4
3    Native Tongue        4    60.0    3    2.40     1.0   107   106          106   -1
4    Origami              4    53.0    4    3.45     1.0   91    91           91    +0
5    Gentleman's Wager    7    59.5    5    4.45     0.0   105   105          105   +0
6    Spring Fling         6    53.5    6    5.45     0.0   93    93           93    +0
7    Love Bomb            4    53.0    7    5.55     1.0   96    90           90    -6
8    Chijmes              6    55.5    8    6.05     0.0   97    97           97    +0
9    Matterhorn           5    57.5    9    9.35     0.0   101   101          101   +0
10   Priceless Ruler      6    59.5    10   10.55    0.0   105   105          105   +0
99   Glory Days           5    52.0    99   0.00     0.0   -     90           90    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Cat Daddy 101 98 101 -3 0.0 -
2 Shampompo Shampizi 89 93 93 ✓ Match 0.0 -
3 Native Tongue 107 105 106 -1 1.0 -
4 Origami Line 91 92 91 +1 1.0
5 Gentleman's Wager 105 106 105 +1 0.0 -
6 Spring Fling 93 96 93 +3 0.0 -
7 Love Bomb 96 77 90 -13 1.0 -
8 Chijmes 97 94 97 -3 0.0 -
9 Matterhorn 101 94 101 -7 0.0 -
10 Priceless Ruler 105 99 105 -6 0.0 -
99 Glory Days - 92 90 +2 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