Official NHA Assessment

Race 3: TAB TELEBET 0861 000 822 MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Archimides
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
9 / 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    We Are The Logans    2    56.0    1    0.00     0.0   -     60           6     +6
2    Archimides           3    60.0    2    3.00     1.5   67    67           67    +0
3    Pied Kingfisher      2    56.0    3    4.00     0.0   -     61           61    +61
4    Uncle Lucky          2    60.0    4    4.75     0.0   61    68           68    +7
5    Holocene             4    56.0    5    5.00     0.5   -     59           59    +59
6    Master Of Defense    3    60.0    6    6.00     1.5   63    65           65    +2
7    She's A Klawer       2    57.0    7    6.75     0.0   61    62           62    +1
8    All Black Captain    3    60.0    8    7.00     1.5   52    65           65    +13
9    Countess Danza       5    57.0    9    11.00    0.0   56    62           62    +6
10   Rock Of Ages         2    56.0    10   19.00    0.0   -     60           60    +60
99   I'm A Man            2    60.0    99   0.00     0.0   -     68           68    +0
99   Night Vibe           4    60.0    99   0.00     0.5   -     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 We Are The Logans - 73 6 +67 0.0 -
2 Archimides Line 67 70 67 +3 1.5
3 Pied Kingfisher - 75 61 +14 0.0 -
4 Uncle Lucky 61 61 68 -7 0.0 -
5 Holocene - 76 59 +17 0.5 -
6 Master Of Defense 63 63 65 -2 1.5 -
7 She's A Klawer 61 50 62 -12 0.0 -
8 All Black Captain 52 55 65 -10 1.5 -
9 Countess Danza 56 51 62 -11 0.0 -
10 Rock Of Ages - 49 60 -11 0.0 -
99 I'm A Man - 69 68 +1 0.0 -
99 Night Vibe - 12 67 -55 0.5 -
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