Official NHA Assessment

Race 2: CAPE RACING SALES MAIDEN PLATE (For all Maidens)

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Line Horse
Star Performer
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
3 / 13
Within 2 points
Significant Diffs
6 / 13
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    Night Bomber         4    60.0    1    0.00     7.0   77    78           70    -7
2    Hoodia               4    60.0    2    0.30     7.0   -     78           78    +78
3    Star Performer       2    60.0    3    1.05     4.0   84    84           84    +0
4    Tam's Knight         3    60.0    4    4.55     6.0   -     80           80    +80
5    Song To The Moon     3    60.0    5    4.85     6.0   -     80           80    +80
6    Twentytwentyvision   2    60.0    6    5.60     4.0   81    84           84    +3
7    Dontstopbelievin'    3    60.0    7    6.85     6.0   -     80           80    +80
8    Maneki Neko          2    60.0    8    7.05     4.0   83    84           84    +1
9    Jack In The Green    2    60.0    9    7.10     4.0   -     84           84    +84
10   Amancio              3    60.0    10   8.35     6.0   -     80           80    +80
11   Across The Bow       3    60.0    11   9.35     6.0   -     80           80    +80
12   Juan Les Pins        3    60.0    12   10.60    6.0   -     80           80    +80
99   Igugulethu           2    60.0    99   0.00     4.0   -     84           84    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Night Bomber 77 96 70 +26 7.0 -
2 Hoodia - 76 78 -2 7.0 -
3 Star Performer Line 84 82 84 -2 4.0
4 Tam's Knight - 76 80 -4 6.0 -
5 Song To The Moon - 84 80 +4 6.0 -
6 Twentytwentyvision 81 80 84 -4 4.0 -
7 Dontstopbelievin' - 63 80 -17 6.0 -
8 Maneki Neko 83 60 84 -24 4.0 -
9 Jack In The Green - 80 84 -4 4.0 -
10 Amancio - 68 80 -12 6.0 -
11 Across The Bow - 57 80 -23 6.0 -
12 Juan Les Pins - 56 80 -24 6.0 -
99 Igugulethu - 83 84 -1 4.0 -
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