Official NHA Assessment

Race 2: BET WITH TOTE MIDDLE STAKES (For All Horses)

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Line Horse
Icy Blast
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
2 / 7
Within 2 points
Significant Diffs
1 / 7
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    Imposing             2    61.5    1    0.00     0.0   101   102          102   +1
2    Jp's Palace          3    57.0    2    3.20     4.0   87    87           87    +0
3    That's My Baby       2    57.5    3    3.25     0.0   99    96           96    -3
4    Icy Blast            4    57.0    4    3.40     2.5   89    89           89    +0
5    Kanaal Skater        2    55.5    5    5.70     0.0   94    90           90    -4
6    African Skyline      6    57.5    6    9.50     0.0   100   94           94    -6
7    Bourbon Warrior      3    61.5    7    99.99    4.0   99    94           94    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Imposing 101 107 102 +5 0.0 -
2 Jp's Palace 87 93 87 +6 4.0 -
3 That's My Baby 99 97 96 +1 0.0 -
4 Icy Blast Line 89 88 89 -1 2.5
5 Kanaal Skater 94 93 90 +3 0.0 -
6 African Skyline 100 98 94 +4 0.0 -
7 Bourbon Warrior 99 99 94 +5 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