Official NHA Assessment

Race 7: NIGHT RACE MEETING 17 NOVEMBER MR 68 HANDICAP (Open)

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Line Horse
Godfather
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
8 / 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    Midnight Caller      4    59.5    1    0.00     4.0   67    58           67    +0
2    Godfather            2    59.5    2    3.75     0.0   67    67           67    +0
3    Duenna               2    60.5    3    3.80     0.0   83    69           73    -10
4    Della's Sword        3    53.5    4    5.00     7.0   55    40           45    -10
5    Zoombomber           2    55.5    5    5.50     0.0   73    58           63    -10
6    Parker Getrix        4    60.0    6    7.75     4.0   68    59           59    -9
7    Full Go              6    58.5    7    8.00     0.0   65    64           64    -1
8    Silver Clock         2    57.0    8    8.75     0.0   70    61           61    -9
9    Viva De Janeiro      5    60.5    9    9.00     0.0   69    68           68    -1
10   Coming In Hot        3    58.0    10   10.25    7.0   72    49           62    -10
11   Fasinada             4    53.5    11   10.30    4.0   55    46           46    -9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Midnight Caller 67 77 67 +10 4.0 -
2 Godfather Line 67 57 67 -10 0.0
3 Duenna 83 94 73 +21 0.0 -
4 Della's Sword 55 56 45 +11 7.0 -
5 Zoombomber 73 60 63 -3 0.0 -
6 Parker Getrix 68 56 59 -3 4.0 -
7 Full Go 65 59 64 -5 0.0 -
8 Silver Clock 70 67 61 +6 0.0 -
9 Viva De Janeiro 69 50 68 -18 0.0 -
10 Coming In Hot 72 76 62 +14 7.0 -
11 Fasinada 55 52 46 +6 4.0 -
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