Official NHA Assessment

Race 6: 4RACING.TV FM 91 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Phoenix
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
6 / 9
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    Twice To Heaven      3    52.0    1    0.00     6.0   75    68           75    +0
2    Wings Of Fire        4    56.0    2    0.50     3.0   83    87           87    +4
3    Phoenix              4    58.5    3    3.75     3.0   88    88           88    +0
4    Flame Flower         3    58.0    4    4.75     6.0   87    80           80    -7
5    Dame Of Flames       3    55.0    5    5.00     6.0   81    74           74    -7
6    Pam's Princess       3    54.5    6    5.50     6.0   80    73           73    -7
7    Princess Kalisi      5    58.5    7    5.60     0.0   88    93           93    +5
8    Golightly            4    57.0    8    7.60     3.0   85    84           84    -1
9    Integrity            5    61.0    9    10.85    0.0   93    98           98    +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Twice To Heaven 75 72 75 -3 6.0 -
2 Wings Of Fire 83 93 87 +6 3.0 -
3 Phoenix Line 88 78 88 -10 3.0
4 Flame Flower 87 78 80 -2 6.0 -
5 Dame Of Flames 81 95 74 +21 6.0 -
6 Pam's Princess 80 82 73 +9 6.0 -
7 Princess Kalisi 88 86 93 -7 0.0 -
8 Golightly 85 84 84 ✓ Match 3.0 -
9 Integrity 93 90 98 -8 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