Official NHA Assessment

Race 7: PLAY SOCCER 6, 10 AND 13 MR 96 HANDICAP (Open)

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Line Horse
Sequoia
Reference for assessment
Exact Matches
2 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
4 / 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    Prevalence           3    52.0    1    0.00     8.5   80    58           80    +0
2    The Mauritian        3    59.0    2    0.25     8.5   94    72           84    -10
3    Sequoia              6    60.0    3    0.50     0.0   96    96           96    +0
4    Mount Anderson       8    60.0    4    1.25     0.0   96    95           95    -1
5    Tirpitz              6    55.5    5    2.25     0.0   87    85           85    -2
6    Dowser               5    56.0    6    4.00     0.0   88    84           84    -4
7    Mhlabeni             7    60.5    7    4.25     0.0   97    93           93    -4
8    El Rey Viene         5    53.0    8    6.75     0.0   82    77           77    -5
9    My Golly Molly       4    57.5    9    9.25     6.0   92    74           82    -10
99   Thunder Master       6    51.5    99   0.00     0.0   -     74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Prevalence 80 83 80 +3 8.5 -
2 The Mauritian 94 100 84 +16 8.5 -
3 Sequoia Line 96 99 96 +3 0.0
4 Mount Anderson 96 102 95 +7 0.0 -
5 Tirpitz 87 82 85 -3 0.0 -
6 Dowser 88 84 84 ✓ Match 0.0 -
7 Mhlabeni 97 90 93 -3 0.0 -
8 El Rey Viene 82 77 77 ✓ Match 0.0 -
9 My Golly Molly 92 71 82 -11 6.0 -
99 Thunder Master - 80 74 +6 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