Official NHA Assessment

Race 6: WOOLAVINGTON 2000 (Grade 1) (For 3 year-old Fillies)

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Line Horse
Sprinkles
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
8 / 12
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    Silver Darling       3    60.0    1    0.00     2.5   105   105          105   +0
2    Light Of The Moon    3    60.0    2    1.30     2.5   92    110          110   +18
3    Sprinkles            3    60.0    3    1.45     2.5   110   110          110   +0
4    Monashada            3    60.0    4    2.50     2.5   87    109          109   +22
5    Perfect Witness      3    60.0    5    2.70     2.5   109   109          109   +0
6    Kailene              3    60.0    6    3.10     2.5   106   108          108   +2
7    Bye Bye Bombshell    3    60.0    7    3.70     2.5   90    108          108   +18
8    Capetown Beauty      3    60.0    8    4.80     2.5   83    105          105   +22
9    Lillybelle           6    60.0    9    5.80     0.0   79    110          110   +31
10   Aerial View          3    60.0    10   5.95     2.5   76    105          105   +29
11   Juliet Tango         6    60.0    11   6.25     0.0   98    110          110   +12
12   Marigold Hotel       3    60.0    12   6.35     2.5   110   105          105   -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Silver Darling 105 115 105 +10 2.5 -
2 Light Of The Moon 92 107 110 -3 2.5 -
3 Sprinkles Line 110 105 110 -5 2.5
4 Monashada 87 94 109 -15 2.5 -
5 Perfect Witness 109 105 109 -4 2.5 -
6 Kailene 106 79 108 -29 2.5 -
7 Bye Bye Bombshell 90 93 108 -15 2.5 -
8 Capetown Beauty 83 76 105 -29 2.5 -
9 Lillybelle 79 73 110 -37 0.0 -
10 Aerial View 76 82 105 -23 2.5 -
11 Juliet Tango 98 81 110 -29 0.0 -
12 Marigold Hotel 110 107 105 +2 2.5 -
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