Official NHA Assessment

Race 9: NEXT TURFFONTEIN RACEMEETING MONDAY 16 DECEMBER FM 75 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
One Party
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 12
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    Fastnet Filly (IRE)  5    59.5    1    0.00     0.0   74    94           74    +0
2    Dancing Dora         6    52.0    2    1.25     0.0   58    79           79    +21
3    One Party            3    58.5    3    1.85     6.0   80    80           80    +0
4    Quasikat             3    58.5    4    2.60     6.0   80    80           80    +0
5    Twice As Wild        6    52.0    5    2.85     0.0   56    79           79    +23
6    Striking Angel       2    59.5    6    3.35     4.0   74    86           86    +12
7    Glawari              2    57.0    7    4.65     4.0   69    81           81    +12
8    Mix The Magic        3    52.0    8    6.75     6.0   55    67           67    +12
9    Juniper Green        4    58.5    9    7.75     7.0   72    78           78    +6
10   Inventrix            2    60.0    10   9.75     4.0   75    87           87    +12
11   Raining Rubies       5    58.5    11   11.25    0.0   72    92           92    +20
12   Seventeen Again      2    57.0    12   99.99    4.0   80    81           81    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Fastnet Filly (IRE) 74 94 74 +20 0.0 -
2 Dancing Dora 58 53 79 -26 0.0 -
3 One Party Line 80 75 80 -5 6.0
4 Quasikat 80 83 80 +3 6.0 -
5 Twice As Wild 56 51 79 -28 0.0 -
6 Striking Angel 74 68 86 -18 4.0 -
7 Glawari 69 65 81 -16 4.0 -
8 Mix The Magic 55 52 67 -15 6.0 -
9 Juniper Green 72 87 78 +9 7.0 -
10 Inventrix 75 73 87 -14 4.0 -
11 Raining Rubies 72 75 92 -17 0.0 -
12 Seventeen Again 80 80 81 -1 4.0 -
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