Official NHA Assessment

Race 2: TAB TELEBET 0861 000 822 MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Afrodite
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 11
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    Ghalaati             3    60.0    1    0.00     1.5   53    59           59    +6
2    Fiery Cliffs         3    60.0    2    0.05     1.5   64    59           59    -5
3    Afrodite             3    60.0    3    3.80     1.5   60    60           60    +0
4    Sundrop              6    60.0    4    6.30     0.0   54    62           62    +8
5    Forty Hot            2    56.0    5    6.40     0.0   -     54           54    +54
6    Fire Chaser          2    56.0    6    10.15    0.0   -     54           54    +54
7    Minstrel Gallery     2    60.0    7    12.40    0.0   56    62           62    +6
8    Royal Venus          2    60.0    8    19.40    0.0   48    62           62    +14
9    Kungfoo Lightning    2    60.0    9    19.50    0.0   45    62           62    +17
10   The Little Girl      3    60.0    10   35.00    1.5   -     59           59    +59
99   Good Reason          2    56.5    99   0.00     0.0   -     55           55    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ghalaati 53 64 59 +5 1.5 -
2 Fiery Cliffs 64 60 59 +1 1.5 -
3 Afrodite Line 60 56 60 -4 1.5
4 Sundrop 54 48 62 -14 0.0 -
5 Forty Hot - 61 54 +7 0.0 -
6 Fire Chaser - 52 54 -2 0.0 -
7 Minstrel Gallery 56 48 62 -14 0.0 -
8 Royal Venus 48 50 62 -12 0.0 -
9 Kungfoo Lightning 45 38 62 -24 0.0 -
10 The Little Girl - 24 59 -35 1.5 -
99 Good Reason - - 55 -55 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