Official NHA Assessment

Race 2: RACING TODAY MAIDEN PLATE (For all Maidens)

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Line Horse
Away With Red
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
7 / 13
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    Pop Chart            2    58.0    1    0.00     6.5   -     66           6     +6
2    Away With Red        3    60.0    2    6.75     9.5   64    64           64    +0
3    Diamond Jim          3    58.0    3    8.00     9.5   -     60           60    +60
4    Bugle                2    58.0    4    11.25    6.5   -     66           66    +66
5    Star Trooper         3    60.0    5    14.50    9.5   57    64           64    +7
6    American Eagle       3    60.0    6    14.75    9.5   61    64           64    +3
7    Casino King          2    58.0    7    14.85    6.5   78    66           68    -10
8    Global Chief         3    60.0    8    15.35    9.5   60    64           64    +4
9    Like A Butterfly     3    53.5    9    15.85    9.5   59    51           51    -8
10   American Pitbull     5    60.0    10   17.10    0.0   62    83           83    +21
11   Nordic Spy           3    58.0    11   20.85    9.5   -     60           60    +60
12   Stalagmite           4    60.0    12   22.60    11.0  -     61           61    +61
13   Hokusai              3    60.0    13   29.10    9.5   54    64           64    +10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pop Chart - 95 6 +89 6.5 -
2 Away With Red Line 64 62 64 -2 9.5
3 Diamond Jim - 76 60 +16 9.5 -
4 Bugle - 65 66 -1 6.5 -
5 Star Trooper 57 51 64 -13 9.5 -
6 American Eagle 61 59 64 -5 9.5 -
7 Casino King 78 72 68 +4 6.5 -
8 Global Chief 60 51 64 -13 9.5 -
9 Like A Butterfly 59 54 51 +3 9.5 -
10 American Pitbull 62 62 83 -21 0.0 -
11 Nordic Spy - 56 60 -4 9.5 -
12 Stalagmite - 49 61 -12 11.0 -
13 Hokusai 54 52 64 -12 9.5 -
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