Official NHA Assessment

Race 5: MERIT RATED 85 HANDICAP (Open)

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Line Horse
Mind Master
Reference for assessment
Exact Matches
1 / 6
Calculated = Official
Close Matches
2 / 6
Within 2 points
Significant Diffs
3 / 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    Abayyaan             3    52.0    1    0.00     7.0   62    57           62    +0
2    Emerald Floe         4    60.0    2    0.25     4.5   82    78           78    -4
3    Mind Master          4    59.0    3    1.00     4.5   80    80           80    +0
4    Al Mashriq           4    54.5    4    1.75     4.5   71    70           70    -1
5    Varnica              5    60.0    5    2.00     0.0   82    90           90    +8
99   Tradition            4    56.5    99   0.00     4.5   -     71           71    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Abayyaan 62 94 62 +32 7.0 -
2 Emerald Floe 82 82 78 +4 4.5 -
3 Mind Master Line 80 87 80 +7 4.5
4 Al Mashriq 71 71 70 +1 4.5 -
5 Varnica 82 90 90 ✓ Match 0.0 -
99 Tradition - 77 71 +6 4.5 -
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