Official NHA Assessment

Race 7: FAIRVIEW 1900 (Open - Non-Black Type)

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Line Horse
Sequoia
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    Bingwa               7    61.0    1    0.00     0.0   120   100          100   -20
2    Sequoia              6    58.0    2    1.50     0.0   99    99           99    +0
3    Global Ally          6    58.0    3    1.55     0.0   97    99           99    +2
4    FireAlley            7    61.0    4    5.30     0.0   111   100          101   -10
5    Blackberry Malt      5    58.0    5    7.80     0.0   100   94           94    -6
6    Cherry Ano           5    61.0    6    9.30     0.0   111   100          101   -10
7    Fateful Day          3    56.5    7    10.80    7.0   93    77           83    -10
8    Street Art           3    58.0    8    11.80    7.0   100   80           90    -10
9    Syx Hotfix           3    55.0    9    17.30    7.0   90    74           80    -10
10   East Coast           5    59.5    10   27.55    0.0   104   97           97    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bingwa 120 107 100 +7 0.0 -
2 Sequoia Line 99 99 99 ✓ Match 0.0
3 Global Ally 97 97 99 -2 0.0 -
4 FireAlley 111 107 101 +6 0.0 -
5 Blackberry Malt 100 82 94 -12 0.0 -
6 Cherry Ano 111 108 101 +7 0.0 -
7 Fateful Day 93 93 83 +10 7.0 -
8 Street Art 100 78 90 -12 7.0 -
9 Syx Hotfix 90 83 80 +3 7.0 -
10 East Coast 104 102 97 +5 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