Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 74 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Chere For Me
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
7 / 10
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    Princess Deb's       3    60.0    1    0.00     7.5   74    72           74    +0
2    Ancestral Prayer     4    60.0    2    0.50     9.0   74    69           69    -5
3    Chere For Me         5    60.0    3    3.00     0.0   87    87           87    +0
4    For All We Know      3    59.0    4    3.10     7.5   72    70           70    -2
5    Quenanza             4    53.0    5    3.60     9.0   60    55           55    -5
6    State Of Mind        4    55.0    6    3.70     9.0   64    59           59    -5
7    Crown Plaza          3    58.5    7    3.95     7.5   71    69           69    -2
8    Right Choice         4    60.5    8    5.20     9.0   75    70           70    -5
9    Paris Opera          4    57.5    9    5.30     9.0   69    64           64    -5
99   Begonia              2    52.0    99   0.00     5.0   -     61           61    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Princess Deb's 74 80 74 +6 7.5 -
2 Ancestral Prayer 74 79 69 +10 9.0 -
3 Chere For Me Line 87 70 87 -17 0.0
4 For All We Know 72 79 70 +9 7.5 -
5 Quenanza 60 49 55 -6 9.0 -
6 State Of Mind 64 65 59 +6 9.0 -
7 Crown Plaza 71 58 69 -11 7.5 -
8 Right Choice 75 72 70 +2 9.0 -
9 Paris Opera 69 66 64 +2 9.0 -
99 Begonia - 66 61 +5 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