Official NHA Assessment

Race 6: WORLD POOL CAPE FLYING CHAMPIONSHIP (WFA) (Grade 1) (Open to horses at Weight For Age)

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Line Horse
Thunderstruck
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
8 / 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    Dyce                 6    60.0    1    0.00     0.0   130   131          131   +1
2    Thunderstruck        2    60.0    2    0.40     3.5   124   124          124   +0
3    Bereave              4    60.0    3    1.40     6.0   122   119          119   -3
4    Rio Querari          5    60.0    4    3.15     0.0   118   131          131   +13
5    Mr Cobbs             5    60.0    5    3.45     0.0   103   131          131   +28
6    Surjay               3    60.0    6    3.55     5.0   119   121          121   +2
7    Mufasa               6    60.0    7    3.75     0.0   103   131          131   +28
8    Captain Arrow        2    56.5    8    3.95     3.5   98    117          117   +19
9    We're Jamming        5    60.0    9    4.95     0.0   114   131          131   +17
10   Kwinta's Light       3    57.5    10   5.00     5.0   110   116          116   +6
11   Bartholdi            4    60.0    11   5.50     6.0   119   119          119   +0
99   Isivunguvungu        3    60.0    99   0.00     5.0   -     121          121   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dyce 130 128 131 -3 0.0 -
2 Thunderstruck Line 124 128 124 +4 3.5
3 Bereave 122 111 119 -8 6.0 -
4 Rio Querari 118 116 131 -15 0.0 -
5 Mr Cobbs 103 106 131 -25 0.0 -
6 Surjay 119 121 121 ✓ Match 5.0 -
7 Mufasa 103 98 131 -33 0.0 -
8 Captain Arrow 98 101 117 -16 3.5 -
9 We're Jamming 114 108 131 -23 0.0 -
10 Kwinta's Light 110 109 116 -7 5.0 -
11 Bartholdi 119 117 119 -2 6.0 -
99 Isivunguvungu - 130 121 +9 5.0 -
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