Official NHA Assessment

Race 3: RACING TODAY OPEN MAIDEN (For Maidens. R15 000 Win Bonus ROA Members)

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Line Horse
And Action
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
9 / 10
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    Original Copy        3    58.5    1    0.00     4.5   -     71           6     +6
2    Hat Man              4    57.0    2    1.75     5.0   59    67           67    +8
3    And Action           4    55.5    3    2.50     5.0   64    64           64    +0
4    Bompas               4    56.0    4    2.75     5.0   56    65           65    +9
5    Summer Heat          3    51.5    5    5.50     4.5   53    57           57    +4
6    Tyrons Vision        3    55.5    6    10.25    4.5   56    65           65    +9
7    Seeking The Life     2    57.5    7    18.25    3.0   60    72           72    +12
8    Saratoga             3    61.0    8    34.50    4.5   -     76           76    +76
99   Tornado King         3    55.0    99   0.00     4.5   -     64           64    +0
99   Dynamite Jet         6    57.0    99   0.00     0.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Original Copy - 74 6 +68 4.5 -
2 Hat Man 59 60 67 -7 5.0 -
3 And Action Line 64 62 64 -2 5.0
4 Bompas 56 58 65 -7 5.0 -
5 Summer Heat 53 47 57 -10 4.5 -
6 Tyrons Vision 56 53 65 -12 4.5 -
7 Seeking The Life 60 60 72 -12 3.0 -
8 Saratoga - 28 76 -48 4.5 -
99 Tornado King - 55 64 -9 4.5 -
99 Dynamite Jet - 43 77 -34 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