Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Like A Butterfly
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
3 / 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    Galladorn            2    60.0    1    0.00     0.0   72    75           75    +3
2    Like A Butterfly     3    57.0    2    5.25     3.0   63    63           63    +0
3    City Lights          4    57.0    3    8.50     1.5   69    66           66    -3
4    Apache Son           4    60.0    4    10.00    1.5   -     72           72    +72
5    Chieftain's Shield   4    60.0    5    10.25    1.5   -     72           72    +72
6    Hat Man              4    60.0    6    13.75    1.5   64    72           72    +8
7    Japanese Maple       4    60.0    7    15.75    1.5   -     72           72    +72
8    High Queue           4    60.0    8    17.25    1.5   -     72           72    +72
99   Trippis Tune         3    60.0    99   0.00     3.0   -     69           69    +0
99   Glacier Bay          3    60.0    99   0.00     3.0   -     69           69    +0
99   Silver Seven         3    56.0    99   0.00     3.0   -     61           61    +0
99   Trip To States       5    56.0    99   0.00     0.0   -     67           67    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Galladorn 72 75 75 ✓ Match 0.0 -
2 Like A Butterfly Line 63 54 63 -9 3.0
3 City Lights 69 52 66 -14 1.5 -
4 Apache Son - 89 72 +17 1.5 -
5 Chieftain's Shield - 80 72 +8 1.5 -
6 Hat Man 64 60 72 -12 1.5 -
7 Japanese Maple - 56 72 -16 1.5 -
8 High Queue - 74 72 +2 1.5 -
99 Trippis Tune - 70 69 +1 3.0 -
99 Glacier Bay - 50 69 -19 3.0 -
99 Silver Seven - 38 61 -23 3.0 -
99 Trip To States - 63 67 -4 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