Official NHA Assessment

Race 5: www.galloptv.co.za MR 74 HANDICAP (Open)

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Line Horse
Roy's Command
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
4 / 9
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    Cupid's Song         4    61.0    1    0.00     2.0   76    73           76    +0
2    Joshua Hotsnake      3    58.5    2    0.60     3.0   71    71           71    +0
3    Roy's Command        4    57.5    3    1.80     2.0   69    69           69    +0
4    Forest Jump          8    59.0    4    3.10     0.0   72    75           75    +3
5    Devils And Dust      2    54.0    5    3.40     0.0   62    64           64    +2
6    Scampton             2    60.5    6    4.30     0.0   82    76           76    -6
7    Space Cowboy         3    58.0    7    4.90     3.0   70    65           65    -5
8    One Irish Rover      5    55.0    8    12.50    0.0   64    65           65    +1
99   Purple Operator      3    57.0    99   0.00     3.0   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Cupid's Song 76 79 76 +3 2.0 -
2 Joshua Hotsnake 71 67 71 -4 3.0 -
3 Roy's Command Line 69 67 69 -2 2.0
4 Forest Jump 72 62 75 -13 0.0 -
5 Devils And Dust 62 52 64 -12 0.0 -
6 Scampton 82 70 76 -6 0.0 -
7 Space Cowboy 70 67 65 +2 3.0 -
8 One Irish Rover 64 65 65 ✓ Match 0.0 -
99 Purple Operator - 74 63 +11 3.0 -
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