Official NHA Assessment

Race 5: TRACK AND BALL GAMING MR 64 HANDICAP (Open)

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Line Horse
Master Tobe
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
4 / 9
Within 2 points
Significant Diffs
3 / 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    Pascali              3    60.0    1    0.00     7.0   64    49           64    +0
2    Master Tobe          5    59.5    2    3.50     0.0   63    63           63    +0
3    Brave Voyager        3    59.0    3    3.75     7.0   62    48           52    -10
4    Giambattista         3    59.5    4    4.25     7.0   63    49           53    -10
5    Porfirio             6    60.5    5    5.95     0.0   65    64           64    -1
6    Thunder Masala       3    58.0    6    6.00     7.0   60    45           50    -10
7    One Irish Rover      5    62.0    7    8.20     0.0   68    67           67    -1
8    Red Magician         3    56.0    8    9.50     7.0   56    41           46    -10
9    Red Mahogany         3    49.0    9    9.90     7.0   50    27           40    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pascali 64 68 64 +4 7.0 -
2 Master Tobe Line 63 62 63 -1 0.0
3 Brave Voyager 62 51 52 -1 7.0 -
4 Giambattista 63 87 53 +34 7.0 -
5 Porfirio 65 88 64 +24 0.0 -
6 Thunder Masala 60 50 50 ✓ Match 7.0 -
7 One Irish Rover 68 65 67 -2 0.0 -
8 Red Magician 56 49 46 +3 7.0 -
9 Red Mahogany 50 48 40 +8 7.0 -
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