Official NHA Assessment

Race 3: WWW.TAB4RACING.COM MR 74 HANDICAP (Open)

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Line Horse
Guy Alexander
Reference for assessment
Exact Matches
2 / 7
Calculated = Official
Close Matches
3 / 7
Within 2 points
Significant Diffs
4 / 7
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    Towers Of Gold       3    58.5    1    0.00     7.0   85    69           85    +0
2    Ryan's Dream         3    56.0    2    2.75     7.0   66    67           67    +1
3    Guy Alexander        3    59.0    3    3.75     7.0   72    72           72    +0
4    Romeo's Magic        7    57.5    4    5.00     0.0   69    81           81    +12
5    Japanese Maple       4    55.5    5    5.25     3.5   66    70           70    +4
6    Whispers Of War (AU  7    56.5    6    6.55     0.0   70    79           79    +9
7    Al Akhtaar           3    60.0    7    28.75    7.0   75    72           72    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Towers Of Gold 85 93 85 +8 7.0 -
2 Ryan's Dream 66 65 67 -2 7.0 -
3 Guy Alexander Line 72 72 72 ✓ Match 7.0
4 Romeo's Magic 69 73 81 -8 0.0 -
5 Japanese Maple 66 56 70 -14 3.5 -
6 Whispers Of War (AUS) 70 64 79 -15 0.0 -
7 Al Akhtaar 75 72 72 ✓ Match 7.0 -
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