Official NHA Assessment

Race 3: www.galloptv.co.za MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Bay Of Dreams
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
6 / 8
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    Iron Chef            4    60.0    1    0.00     1.5   52    60           58    +6
2    Bay Of Dreams        3    60.0    2    3.10     2.5   60    60           60    +0
3    American Style       3    60.0    3    6.50     2.5   -     58           58    +58
4    Declare War          3    60.0    4    10.90    2.5   -     58           58    +58
99   Columbia Road        3    60.0    99   0.00     2.5   -     58           58    +0
99   Picara               3    60.0    99   0.00     2.5   -     58           58    +0
99   Winter Melody        3    60.0    99   0.00     2.5   -     58           58    +0
99   Chessade             3    60.0    99   0.00     2.5   -     58           58    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Iron Chef 52 52 58 -6 1.5 -
2 Bay Of Dreams Line 60 43 60 -17 2.5
3 American Style - 60 58 +2 2.5 -
4 Declare War - 49 58 -9 2.5 -
99 Columbia Road - 54 58 -4 2.5 -
99 Picara - 64 58 +6 2.5 -
99 Winter Melody - 68 58 +10 2.5 -
99 Chessade - 36 58 -22 2.5 -
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