Official NHA Assessment

Race 7: GALLOP TV YOUTUBE CHANNEL PINNACLE STAKES (For Horses rated Nett 110 and below)

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Line Horse
Celestial City
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
6 / 12
Within 2 points
Significant Diffs
3 / 12
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    Bristol Hercules     2    52.0    1    0.00     0.0   82    83           83    +1
2    Golden Peace         2    55.5    2    0.30     0.0   89    95           95    +6
3    Itsrainingwilliam    2    62.0    3    1.00     0.0   108   107          107   -1
4    Celestial City       4    55.5    4    2.10     0.5   92    92           92    +0
5    Cyber Time           3    49.5    5    2.40     1.0   85    78           78    -7
6    Imilenzeyokududuma   6    56.5    6    2.90     0.0   105   94           95    -10
7    Royal Guide          4    55.5    7    3.40     0.5   89    90           90    +1
8    Virginia Sweet       2    56.0    8    3.55     0.0   96    92           92    -4
9    Royal Swan Master    3    53.5    9    4.45     1.0   86    84           84    -2
10   Boundless Bash       2    57.0    10   7.85     0.0   92    93           93    +1
99   Down By The River    2    52.0    99   0.00     0.0   -     83           83    +0
99   Captain Casey        2    59.0    99   0.00     0.0   -     97           97    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bristol Hercules 82 87 83 +4 0.0 -
2 Golden Peace 89 105 95 +10 0.0 -
3 Itsrainingwilliam 108 108 107 +1 0.0 -
4 Celestial City Line 92 92 92 ✓ Match 0.5
5 Cyber Time 85 81 78 +3 1.0 -
6 Imilenzeyokududuma 105 109 95 +14 0.0 -
7 Royal Guide 89 87 90 -3 0.5 -
8 Virginia Sweet 96 92 92 ✓ Match 0.0 -
9 Royal Swan Master 86 83 84 -1 1.0 -
10 Boundless Bash 92 92 93 -1 0.0 -
99 Down By The River - 95 83 +12 0.0 -
99 Captain Casey - 96 97 -1 0.0 -
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