Official NHA Assessment

Race 8: GTH SUPER CHARGE MR 71 HANDICAP (Open)

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Line Horse
High Moon
Reference for assessment
Exact Matches
2 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
2 / 10
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    Tom Bombadil         5    52.5    1    0.00     0.0   56    67           56    +0
2    Secret Giver         4    59.0    2    2.20     7.0   69    69           69    +0
3    High Moon            4    60.0    3    2.25     7.0   71    71           71    +0
4    Caesura              6    61.0    4    3.15     0.0   73    86           86    +13
5    Teichman             5    54.0    5    3.55     0.0   59    71           71    +12
6    Papa C               6    57.0    6    4.95     0.0   67    76           76    +9
7    Double Espresso      5    56.0    7    13.75    0.0   63    74           74    +11
8    Space News           4    54.5    8    18.05    7.0   63    57           57    -6
99   Cafe Pacifica        4    52.0    99   0.00     7.0   -     52           52    +0
99   Admiral Birnham      3    60.5    99   0.00     10.0  -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tom Bombadil 56 56 56 ✓ Match 0.0 -
2 Secret Giver 69 75 69 +6 7.0 -
3 High Moon Line 71 71 71 ✓ Match 7.0
4 Caesura 73 81 86 -5 0.0 -
5 Teichman 59 73 71 +2 0.0 -
6 Papa C 67 73 76 -3 0.0 -
7 Double Espresso 63 60 74 -14 0.0 -
8 Space News 63 52 57 -5 7.0 -
99 Cafe Pacifica - 51 52 -1 7.0 -
99 Admiral Birnham - 68 63 +5 10.0 -
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