Official NHA Assessment

Race 6: 4RACING WISHES YOU BLESSED NEW YEAR MR 68 HANDICAP (Open)

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Line Horse
Written In Stone
Reference for assessment
Exact Matches
2 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
6 / 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    Fulliautomatix       3    56.0    1    0.00     5.0   60    48           60    +0
2    Warhawk Bomber       2    60.5    2    0.75     0.0   79    71           71    -8
3    Risky Business       3    54.5    3    2.10     5.0   56    48           48    -8
4    Written In Stone     9    54.0    4    2.50     0.0   56    56           56    +0
5    Anytime Champ        3    52.5    5    5.00     5.0   52    41           42    -10
6    Duke Of Rock         3    61.5    6    5.50     5.0   71    59           61    -10
7    Jp Two Thousand      3    61.5    7    5.75     5.0   71    59           61    -10
8    Silent Trigger       6    57.5    8    7.50     0.0   71    61           61    -10
9    Efficient Trader     2    55.5    9    10.75    0.0   59    57           57    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fulliautomatix 60 66 60 +6 5.0 -
2 Warhawk Bomber 79 80 71 +9 0.0 -
3 Risky Business 56 75 48 +27 5.0 -
4 Written In Stone Line 56 67 56 +11 0.0
5 Anytime Champ 52 53 42 +11 5.0 -
6 Duke Of Rock 71 76 61 +15 5.0 -
7 Jp Two Thousand 71 61 61 ✓ Match 5.0 -
8 Silent Trigger 71 60 61 -1 0.0 -
9 Efficient Trader 59 57 57 ✓ Match 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