Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 26 SEPTEMBER MR 68 HANDICAP (Open)

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Line Horse
Take Your Time
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
8 / 11
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    San Quintin          6    53.5    1    0.00     0.0   55    79           55    +0
2    Olive Oyl            2    55.5    2    0.25     0.0   78    83           83    +5
3    Take Your Time       3    51.0    3    1.50     9.5   60    60           60    +0
4    Arividicio           5    53.5    4    1.60     0.0   55    84           84    +29
5    Preserve Forever     3    54.0    5    3.60     9.5   58    64           64    +6
6    Garden Sun           3    61.0    6    9.10     9.5   72    75           75    +3
7    Catch The Tune       6    59.0    7    10.35    0.0   74    90           90    +16
8    Cosmic Cliffs        3    56.5    8    99.99    9.5   68    66           66    -2
99   Spoil Yourself       2    59.0    99   0.00     0.0   -     90           90    +0
99   Richardthefearless   3    57.0    99   0.00     9.5   -     67           67    +0
99   Pardon Me            5    58.0    99   0.00     0.0   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 San Quintin 55 58 55 +3 0.0 -
2 Olive Oyl 78 77 83 -6 0.0 -
3 Take Your Time Line 60 60 60 ✓ Match 9.5
4 Arividicio 55 50 84 -34 0.0 -
5 Preserve Forever 58 53 64 -11 9.5 -
6 Garden Sun 72 69 75 -6 9.5 -
7 Catch The Tune 74 70 90 -20 0.0 -
8 Cosmic Cliffs 68 67 66 +1 9.5 -
99 Spoil Yourself - 73 90 -17 0.0 -
99 Richardthefearless - 83 67 +16 9.5 -
99 Pardon Me - 53 88 -35 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