Official NHA Assessment

Race 7: CLASSIC DAY 5 MARCH FM 90 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Greens
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 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    Tanzanite Queen      4    61.5    1    0.00     5.0   93    93           93    +0
2    Say When             4    57.0    2    0.75     5.0   84    84           84    +0
3    Greens               4    61.0    3    2.15     5.0   92    92           92    +0
4    Permesso Avanti      3    53.5    4    2.25     4.5   83    78           78    -5
5    Lucy In The Sky      4    61.5    5    3.45     5.0   93    93           93    +0
6    Cold Fact            3    58.5    6    4.55     4.5   93    88           88    -5
7    Warship              3    55.0    7    4.75     4.5   86    81           81    -5
99   Muleta               5    55.0    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 Tanzanite Queen 93 97 93 +4 5.0 -
2 Say When 84 84 84 ✓ Match 5.0 -
3 Greens Line 92 82 92 -10 5.0
4 Permesso Avanti 83 70 78 -8 4.5 -
5 Lucy In The Sky 93 74 93 -19 5.0 -
6 Cold Fact 93 109 88 +21 4.5 -
7 Warship 86 87 81 +6 4.5 -
99 Muleta - 80 90 -10 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