Official NHA Assessment

Race 4: MERIT RATED 80 HANDICAP (Open)

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Line Horse
Abayyaan
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
0 / 6
Within 2 points
Significant Diffs
4 / 6
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    Three To Tango       6    60.5    1    0.00     0.0   81    89           81    +0
2    Abayyaan             3    58.5    2    5.00     4.0   77    77           77    +0
3    Jubilee              7    60.5    3    6.25     0.0   81    89           89    +8
4    Mind Master          4    59.5    4    6.30     2.5   79    82           82    +3
5    Tradition            4    54.5    5    12.30    2.5   69    72           72    +3
6    Love To Bluff        5    62.0    6    18.30    0.0   84    92           92    +8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Three To Tango 81 87 81 +6 0.0 -
2 Abayyaan Line 77 94 77 +17 4.0
3 Jubilee 81 72 89 -17 0.0 -
4 Mind Master 79 87 82 +5 2.5 -
5 Tradition 69 77 72 +5 2.5 -
6 Love To Bluff 84 82 92 -10 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