Official NHA Assessment

Race 6: LIVE IT. LOVE IT. OWN IT. www.racecoast.co.za CLASS 3 (Open. Benchmark at 60.0kg = 98)

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Line Horse
Mohave Prince
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
7 / 11
Within 2 points
Significant Diffs
1 / 11
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    Saxon Dynasty        3    55.5    1    0.00     3.5   87    83           83    -4
2    Mohave Prince        2    53.0    2    0.50     0.0   92    92           92    +0
3    Officer In Command   4    51.0    3    0.75     1.5   86    84           84    -2
4    Imperial Power       4    54.0    4    1.15     1.5   89    90           90    +1
5    Uzwano               3    60.0    5    1.45     3.5   96    97           97    +1
6    Continentalexpress   3    58.0    6    1.95     3.5   92    93           93    +1
7    Johnny The Thief     2    59.5    7    2.75     0.0   95    101          101   +6
8    Go Grayson Go        3    59.5    8    4.15     3.5   95    93           93    -2
9    Count Of Rouen       2    56.5    9    4.85     0.0   96    92           92    -4
10   African Dusk         5    49.5    10   6.25     0.0   83    78           78    -5
11   Terminator           4    55.0    11   21.15    1.5   86    86           86    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Saxon Dynasty 87 87 83 +4 3.5 -
2 Mohave Prince Line 92 92 92 ✓ Match 0.0
3 Officer In Command 86 86 84 +2 1.5 -
4 Imperial Power 89 89 90 -1 1.5 -
5 Uzwano 96 96 97 -1 3.5 -
6 Continentalexpress 92 92 93 -1 3.5 -
7 Johnny The Thief 95 95 101 -6 0.0 -
8 Go Grayson Go 95 95 93 +2 3.5 -
9 Count Of Rouen 96 96 92 +4 0.0 -
10 African Dusk 83 83 78 +5 0.0 -
11 Terminator 86 86 86 ✓ Match 1.5 -
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