Official NHA Assessment

Race 4: RACING TODAY FM 72 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Desert Cloud
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
3 / 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    Kamakazi             4    59.5    1    0.00     2.5   71    71           71    +0
2    One Dance            3    61.5    2    0.05     4.0   75    72           72    -3
3    Desert Cloud         3    60.0    3    1.55     4.0   72    72           72    +0
4    Midnight Music       3    56.0    4    3.55     4.0   63    62           62    -1
5    My Ami Beach         6    60.5    5    4.80     0.0   73    78           78    +5
6    Lady Luck            4    58.5    6    6.05     2.5   68    69           69    +1
7    Just One Kiss        2    55.5    7    6.55     0.0   70    68           68    -2
8    Twilight Bay         2    60.0    8    8.05     0.0   72    77           77    +5
9    Greenlight Dancer    2    56.5    9    10.30    0.0   65    70           70    +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kamakazi 71 73 71 +2 2.5 -
2 One Dance 75 82 72 +10 4.0 -
3 Desert Cloud Line 72 78 72 +6 4.0
4 Midnight Music 63 66 62 +4 4.0 -
5 My Ami Beach 73 70 78 -8 0.0 -
6 Lady Luck 68 66 69 -3 2.5 -
7 Just One Kiss 70 68 68 ✓ Match 0.0 -
8 Twilight Bay 72 72 77 -5 0.0 -
9 Greenlight Dancer 65 65 70 -5 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