Official NHA Assessment

Race 4: TRACK & BALL GAMING MR 74 HANDICAP (Open)

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Line Horse
The Gliding Fish
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    Philispiel           7    57.5    1    0.00     0.0   72    69           72    +0
2    Sea Vista            2    58.0    2    0.20     0.5   71    69           69    -2
3    Servilius            3    57.5    3    1.30     1.5   70    66           66    -4
4    The Gliding Fish     6    58.5    4    2.70     0.0   71    71           71    +0
5    Intrepid             3    57.5    5    3.60     1.5   77    66           67    -10
6    Gimme A Rainbow      4    61.0    6    4.50     2.0   76    72           72    -4
7    Quest For The Best   4    61.5    7    4.55     2.0   77    73           73    -4
8    Question Of Faith    2    60.5    8    5.35     0.5   90    74           80    -10
9    Trade War            3    59.5    9    6.75     1.5   73    70           70    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Philispiel 72 70 72 -2 0.0 -
2 Sea Vista 71 83 69 +14 0.5 -
3 Servilius 70 65 66 -1 1.5 -
4 The Gliding Fish Line 71 68 71 -3 0.0
5 Intrepid 77 73 67 +6 1.5 -
6 Gimme A Rainbow 76 74 72 +2 2.0 -
7 Quest For The Best 77 76 73 +3 2.0 -
8 Question Of Faith 90 51 80 -29 0.5 -
9 Trade War 73 70 70 ✓ Match 1.5 -
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