Official NHA Assessment

Race 7: RACING240 MR 66 HANDICAP (Open)

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Line Horse
Full Go
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
6 / 11
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    Red Sparrow          3    55.5    1    0.00     9.5   59    33           59    +0
2    Full Go              6    55.5    2    1.30     0.0   57    57           57    +0
3    Pomozelous           3    59.0    3    1.70     9.5   64    45           54    -10
4    Hat Furious          4    55.0    4    2.20     6.0   56    44           46    -10
5    Circle Of Grace      4    54.5    5    2.40     6.0   55    42           45    -10
6    Flag Bearer          3    55.5    6    3.00     9.5   65    36           55    -10
7    The Merciful         5    55.0    7    4.30     0.0   56    52           52    -4
8    Bob Lee Swagger      4    54.0    8    5.90     6.0   57    37           47    -10
9    Step Into It         2    60.5    9    7.90     0.0   86    62           76    -10
10   Stop The Traffic     4    60.0    10   8.10     6.0   66    49           56    -10
11   Crepuscolo           4    55.0    11   8.60     6.0   56    39           46    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Sparrow 59 55 59 -4 9.5 -
2 Full Go Line 57 59 57 +2 0.0
3 Pomozelous 64 62 54 +8 9.5 -
4 Hat Furious 56 53 46 +7 6.0 -
5 Circle Of Grace 55 51 45 +6 6.0 -
6 Flag Bearer 65 60 55 +5 9.5 -
7 The Merciful 56 54 52 +2 0.0 -
8 Bob Lee Swagger 57 53 47 +6 6.0 -
9 Step Into It 86 76 76 ✓ Match 0.0 -
10 Stop The Traffic 66 65 56 +9 6.0 -
11 Crepuscolo 56 58 46 +12 6.0 -
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