Official NHA Assessment

Race 6: CELEBRATING CENTURION MEMBER HILTON YUTAR'S BIRTHDAY CLASS 5 (Open. Benchmark at 60.0kg = 66)

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Line Horse
Past And Present
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
4 / 8
Within 2 points
Significant Diffs
4 / 8
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    Red Dawn             3    62.5    1    0.00     5.0   81    78           78    -3
2    Past And Present     3    57.0    2    1.75     5.0   70    70           70    +0
3    Mohandas             3    56.0    3    3.75     5.0   58    66           66    +8
4    Summer Night City    5    57.0    4    4.25     0.0   60    78           78    +18
5    Gnarly               2    61.0    5    4.45     0.0   78    85           85    +7
6    Mela Strength        3    59.0    6    6.20     5.0   64    71           71    +7
7    Im The Buzz          5    60.5    7    6.25     0.0   67    84           84    +17
8    Hospices De Beaune   3    57.0    8    6.50     5.0   70    67           67    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Dawn 81 79 78 +1 5.0 -
2 Past And Present Line 70 68 70 -2 5.0
3 Mohandas 58 64 66 -2 5.0 -
4 Summer Night City 60 57 78 -21 0.0 -
5 Gnarly 78 55 85 -30 0.0 -
6 Mela Strength 64 63 71 -8 5.0 -
7 Im The Buzz 67 68 84 -16 0.0 -
8 Hospices De Beaune 70 68 67 +1 5.0 -
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