Official NHA Assessment

Race 5: SOCCER ANY15 MR 77 HANDICAP (Open)

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Line Horse
William Rufus
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
5 / 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    Blackwhitedynamite   3    59.0    1    0.00     2.0   75    72           75    +0
2    Catch The Tune       6    58.0    2    0.30     0.0   73    79           79    +6
3    Parmenion            5    56.5    3    0.70     0.0   75    76           76    +1
4    William Rufus        2    60.0    4    1.20     0.0   82    82           82    +0
5    Whorly Whorly        7    57.0    5    1.45     0.0   71    75           75    +4
6    Immeasurable         5    56.5    6    2.15     0.0   73    74           74    +1
7    Spirit Of My Fate    5    59.0    7    2.20     0.0   75    79           79    +4
8    Son Of Silk          4    57.5    8    4.30     1.0   72    71           71    -1
9    Action Time          3    55.0    9    7.60     2.0   72    64           64    -8
99   Gentleman's Way      6    58.5    99   0.00     0.0   -     75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blackwhitedynamite 75 86 75 +11 2.0 -
2 Catch The Tune 73 70 79 -9 0.0 -
3 Parmenion 75 78 76 +2 0.0 -
4 William Rufus Line 82 88 82 +6 0.0
5 Whorly Whorly 71 78 75 +3 0.0 -
6 Immeasurable 73 72 74 -2 0.0 -
7 Spirit Of My Fate 75 70 79 -9 0.0 -
8 Son Of Silk 72 65 71 -6 1.0 -
9 Action Time 72 68 64 +4 2.0 -
99 Gentleman's Way - 73 75 -2 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