Official NHA Assessment

Race 5: OPEN A tabGOLD ACCOUNT - 031 314 1874 MR 84 HANDICAP (Open)

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Line Horse
Monarchy
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    With Pleasure        3    55.5    1    0.00     1.5   78    66           78    +0
2    Willow's Wish        4    61.5    2    0.60     0.5   87    87           87    +0
3    Monarchy             5    58.5    3    1.10     0.0   81    81           81    +0
4    Bayview Express      5    56.5    4    1.40     0.0   77    76           76    -1
5    Billy Bazooka        3    49.0    5    2.50     1.5   73    57           63    -10
6    Etiquette            3    53.5    6    3.80     1.5   82    64           72    -10
7    Arumugam             6    59.0    7    4.80     0.0   85    76           76    -9
8    Time Taker           4    59.0    8    5.70     0.5   82    75           75    -7
9    Born To Perform      7    60.5    9    5.80     0.0   85    79           79    -6
99   Grimaldi             4    60.0    99   0.00     0.5   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 With Pleasure 78 97 78 +19 1.5 -
2 Willow's Wish 87 96 87 +9 0.5 -
3 Monarchy Line 81 77 81 -4 0.0
4 Bayview Express 77 62 76 -14 0.0 -
5 Billy Bazooka 73 62 63 -1 1.5 -
6 Etiquette 82 83 72 +11 1.5 -
7 Arumugam 85 74 76 -2 0.0 -
8 Time Taker 82 55 75 -20 0.5 -
9 Born To Perform 85 84 79 +5 0.0 -
99 Grimaldi - 67 77 -10 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