Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION FM 92 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Winter Mosaic
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
7 / 10
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    Dad's Catch          4    55.0    1    0.00     4.0   82    86           82    +0
2    Winter Mosaic        3    56.5    2    2.25     3.5   90    90           90    +0
3    Sonic Burst          4    56.0    3    4.00     4.0   84    88           88    +4
4    Quick Breeze         3    55.0    4    5.00     3.5   87    87           87    +0
5    High Hosanna         3    59.0    5    5.40     3.5   95    95           95    +0
6    Winter Furi          4    56.5    6    5.60     4.0   85    89           89    +4
7    Gillian Anne         4    55.0    7    6.10     4.0   82    86           86    +4
8    Brianna              4    57.5    8    7.10     4.0   87    91           91    +4
9    Casa Inverno         3    60.0    9    7.40     3.5   97    97           97    +0
10   Caribbean Sunset     5    55.5    10   8.90     0.0   83    95           95    +12
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dad's Catch 82 88 82 +6 4.0 -
2 Winter Mosaic Line 90 94 90 +4 3.5
3 Sonic Burst 84 81 88 -7 4.0 -
4 Quick Breeze 87 79 87 -8 3.5 -
5 High Hosanna 95 88 95 -7 3.5 -
6 Winter Furi 85 87 89 -2 4.0 -
7 Gillian Anne 82 90 86 +4 4.0 -
8 Brianna 87 103 91 +12 4.0 -
9 Casa Inverno 97 103 97 +6 3.5 -
10 Caribbean Sunset 83 81 95 -14 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