Official NHA Assessment

Race 5: 4RACING.TV MR 80 HANDICAP (Open)

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Line Horse
Dawn Of A New Era
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
6 / 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    Jaspero              4    56.5    1    0.00     3.0   73    73           73    +0
2    Slings And Arrows    3    59.0    2    0.25     6.0   83    72           73    -10
3    Dawn Of A New Era    4    59.0    3    4.50     3.0   78    78           78    +0
4    Adios Amigos         4    57.0    4    4.60     3.0   74    74           74    +0
5    Central City         5    61.0    5    4.70     0.0   82    88           88    +6
6    Question Master      2    57.5    6    5.20     0.0   74    81           81    +7
7    Alingalonga          4    61.0    7    7.20     3.0   82    82           82    +0
8    King Of Seville      2    53.5    8    9.20     0.0   79    73           73    -6
9    Spring High          4    60.5    9    25.45    3.0   81    81           81    +0
10   Knights Table        3    57.0    10   99.99    6.0   73    68           68    -5
99   Lord Varys           4    58.5    99   0.00     3.0   -     77           77    +0
99   Thunder Master       6    61.0    99   0.00     0.0   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Jaspero 73 76 73 +3 3.0 -
2 Slings And Arrows 83 92 73 +19 6.0 -
3 Dawn Of A New Era Line 78 78 78 ✓ Match 3.0
4 Adios Amigos 74 55 74 -19 3.0 -
5 Central City 82 81 88 -7 0.0 -
6 Question Master 74 70 81 -11 0.0 -
7 Alingalonga 82 82 82 ✓ Match 3.0 -
8 King Of Seville 79 65 73 -8 0.0 -
9 Spring High 81 79 81 -2 3.0 -
10 Knights Table 73 73 68 +5 6.0 -
99 Lord Varys - 75 77 -2 3.0 -
99 Thunder Master - 80 88 -8 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