Official NHA Assessment

Race 5: BACK THE BOKS NOVICE PLATE (Maidens & 1 time Winners)

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Line Horse
Abound
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
8 / 11
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    Global Force         2    58.0    1    0.00     6.5   79    87           85    +6
2    Summer Odyssey       2    55.5    2    0.25     6.5   89    82           82    -7
3    Baubles And Beads    2    57.5    3    1.25     6.5   76    86           86    +10
4    Isn't It Bliss       4    58.0    4    2.00     11.0  57    78           78    +21
5    Abound               4    58.5    5    2.50     11.0  79    79           79    +0
6    Xplicit Content      4    57.0    6    3.75     11.0  75    76           76    +1
7    Great Times          3    60.0    7    4.50     9.5   60    85           85    +25
8    Granddaddy Purple    3    59.0    8    4.60     9.5   50    83           83    +33
9    Modern Magician      3    57.5    9    5.10     9.5   56    80           80    +24
10   Maserati Roar        3    60.0    10   99.99    9.5   74    85           85    +11
99   Paris Lass           4    55.5    99   0.00     11.0  -     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 Global Force 79 80 85 -5 6.5 -
2 Summer Odyssey 89 84 82 +2 6.5 -
3 Baubles And Beads 76 72 86 -14 6.5 -
4 Isn't It Bliss 57 51 78 -27 11.0 -
5 Abound Line 79 77 79 -2 11.0
6 Xplicit Content 75 58 76 -18 11.0 -
7 Great Times 60 54 85 -31 9.5 -
8 Granddaddy Purple 50 50 83 -33 9.5 -
9 Modern Magician 56 56 80 -24 9.5 -
10 Maserati Roar 74 69 85 -16 9.5 -
99 Paris Lass - 102 73 +29 11.0 -
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