Official NHA Assessment

Race 4: #THISISRACING MR 74 HANDICAP (Open)

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Line Horse
Mesmerizing Moon
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
9 / 14
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    Red Berry            4    60.5    1    0.00     6.0   75    75           75    +0
2    Mesmerizing Moon     4    59.5    2    0.05     6.0   73    73           73    +0
3    The Ghan             4    56.5    3    0.15     6.0   67    67           67    +0
4    Razor Red            3    59.0    4    0.65     5.0   79    74           74    -5
5    Bold Captain         3    54.5    5    0.90     5.0   70    65           65    -5
6    Emperors Decree      4    56.5    6    1.65     6.0   70    67           67    -3
7    Tsar Peter           3    53.5    7    4.90     5.0   68    63           63    -5
8    Fast Draw            5    57.0    8    4.95     0.0   68    80           80    +12
9    Jet Mirage           3    59.0    9    5.70     5.0   79    74           74    -5
10   All The Sevens       6    58.0    10   5.95     0.0   70    82           82    +12
11   Namaqualand          5    56.5    11   6.95     0.0   75    79           79    +4
12   Daleel               3    59.0    12   10.20    5.0   79    74           74    -5
13   Tevye                4    58.0    13   11.95    6.0   70    70           70    +0
99   Forged By Fire       3    58.5    99   0.00     5.0   -     73           73    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Berry 75 95 75 +20 6.0 -
2 Mesmerizing Moon Line 73 69 73 -4 6.0
3 The Ghan 67 62 67 -5 6.0 -
4 Razor Red 79 63 74 -11 5.0 -
5 Bold Captain 70 67 65 +2 5.0 -
6 Emperors Decree 70 66 67 -1 6.0 -
7 Tsar Peter 68 62 63 -1 5.0 -
8 Fast Draw 68 63 80 -17 0.0 -
9 Jet Mirage 79 100 74 +26 5.0 -
10 All The Sevens 70 67 82 -15 0.0 -
11 Namaqualand 75 73 79 -6 0.0 -
12 Daleel 79 66 74 -8 5.0 -
13 Tevye 70 60 70 -10 6.0 -
99 Forged By Fire - 66 73 -7 5.0 -
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