Official NHA Assessment

Race 5: THREE TROIKAS STAKES (Grade 3) (3 year old Fillies)

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Line Horse
Supreme Quest
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
7 / 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    Sprinkles            3    57.0    1    0.00     4.0   99    100          100   +1
2    Eternity Ring        3    57.0    2    0.75     4.0   99    104          104   +5
3    Rain In Holland      3    60.0    3    2.20     4.0   106   109          109   +3
4    Supreme Quest        3    57.0    4    2.60     4.0   102   102          102   +0
5    Crimson Causeway     3    57.0    5    4.00     4.0   101   101          101   +0
6    Imbewu               3    57.0    6    4.75     4.0   91    100          100   +9
7    Mike's Chick         3    57.0    7    4.80     4.0   100   100          100   +0
8    Bureau des Legende   3    57.0    8    8.50     4.0   94    100          100   +6
99   Remember When        3    57.0    99   0.00     4.0   -     100          100   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sprinkles 99 105 100 +5 4.0 -
2 Eternity Ring 99 80 104 -24 4.0 -
3 Rain In Holland 106 120 109 +11 4.0 -
4 Supreme Quest Line 102 92 102 -10 4.0
5 Crimson Causeway 101 93 101 -8 4.0 -
6 Imbewu 91 72 100 -28 4.0 -
7 Mike's Chick 100 88 100 -12 4.0 -
8 Bureau des Legende 94 97 100 -3 4.0 -
99 Remember When - 90 100 -10 4.0 -
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