Official NHA Assessment

Race 4: OPEN A tabGOLD ACCOUNT - 031 314 1874 MAIDEN PLATE (For all Maidens)

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Line Horse
La Dreamer
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
1 / 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    Luck Of The Iris     4    56.5    1    0.00     3.0   50    61           56    +6
2    La Dreamer           3    55.0    2    0.50     6.0   58    58           58    +0
3    Triton               3    60.0    3    0.65     6.0   64    68           68    +4
4    Agamemnon            3    60.0    4    0.95     6.0   56    67           67    +11
5    Tommy The Kidd       4    58.5    5    2.25     3.0   55    69           69    +14
6    Time To Meditate     2    60.0    6    2.30     0.0   70    78           78    +8
7    Swift Nicks          3    60.0    7    2.50     6.0   -     66           66    +66
8    If You Say So        3    56.5    8    3.90     6.0   57    57           57    +0
9    Book Of Dreams       3    60.0    9    3.95     6.0   50    64           64    +14
10   Double Rugged        3    60.0    10   5.45     6.0   -     62           62    +62
11   Johnny's Hope        2    60.0    11   6.25     0.0   72    74           74    +2
12   Arsene Lupin         3    60.0    12   8.95     6.0   63    62           62    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Luck Of The Iris 50 47 56 -9 3.0 -
2 La Dreamer Line 58 48 58 -10 6.0
3 Triton 64 52 68 -16 6.0 -
4 Agamemnon 56 58 67 -9 6.0 -
5 Tommy The Kidd 55 53 69 -16 3.0 -
6 Time To Meditate 70 66 78 -12 0.0 -
7 Swift Nicks - 60 66 -6 6.0 -
8 If You Say So 57 57 57 ✓ Match 6.0 -
9 Book Of Dreams 50 60 64 -4 6.0 -
10 Double Rugged - 55 62 -7 6.0 -
11 Johnny's Hope 72 79 74 +5 0.0 -
12 Arsene Lupin 63 44 62 -18 6.0 -
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