Official NHA Assessment

Race 6: RACE COAST INCENTIVES POWERED BY Hollywoodbets CLASS 4 (F & M) (For Fillies & Mares. Benchmark at 60.0kg = 82)

Line Horse
December Dawn
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
5 / 8
Within 2 points
Significant Diffs
2 / 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    Caribbean Gold       3    55.0    1    0.00     4.5   76    67           67    -9
2    Saachi One           3    57.0    2    2.25     4.5   80    71           71    -9
3    December Dawn        2    60.0    3    2.75     3.0   80    80           80    +0
4    All Is Green         3    57.5    4    3.50     4.5   75    72           72    -3
5    William's Woman      3    52.5    5    4.75     4.5   79    62           69    -10
6    Marketa              2    58.0    6    5.50     3.0   82    76           76    -6
7    Morfeliha            2    56.5    7    7.00     3.0   79    73           73    -6
8    Playing Trix         3    59.0    8    8.75     4.5   84    75           75    -9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Caribbean Gold 76 82 67 +15 4.5 -
2 Saachi One 80 80 71 +9 4.5 -
3 December Dawn Line 80 78 80 -2 3.0
4 All Is Green 75 74 72 +2 4.5 -
5 William's Woman 79 71 69 +2 4.5 -
6 Marketa 82 76 76 ✓ Match 3.0 -
7 Morfeliha 79 74 73 +1 3.0 -
8 Playing Trix 84 80 75 +5 4.5 -
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