Official NHA Assessment

Race 6: ARDMORE JAMAICA HANDICAP (Listed) (For Fillies and Mares)

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Line Horse
So Flawless
Reference for assessment
Exact Matches
1 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
6 / 13
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    Pink Tourmaline      4    59.0    1    0.00     3.0   97    93           97    +0
2    Black Silver         4    54.0    2    0.75     3.0   80    89           89    +9
3    Jasmine              4    54.0    3    2.00     3.0   87    88           88    +1
4    Do Angels Cry        4    54.0    4    2.20     3.0   81    88           88    +7
5    So Flawless          4    58.5    5    2.70     3.0   96    96           96    +0
6    Catchafallingstar    5    57.5    6    3.20     0.0   93    99           99    +6
7    Musical Glitch       4    60.0    7    3.40     3.0   99    98           98    -1
8    Celtic Night         4    55.0    8    3.45     3.0   89    88           88    -1
9    Scented Mistress     4    59.0    9    3.65     3.0   96    96           96    +0
10   Silver Darling       3    54.0    10   4.65     6.0   84    78           78    -6
11   Fynbos               5    54.0    11   4.85     0.0   78    89           89    +11
12   Rewrite The Stars    5    54.0    12   7.35     0.0   76    89           89    +13
99   Ntinga               3    54.0    99   0.00     6.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pink Tourmaline 97 108 97 +11 3.0 -
2 Black Silver 80 86 89 -3 3.0 -
3 Jasmine 87 81 88 -7 3.0 -
4 Do Angels Cry 81 89 88 +1 3.0 -
5 So Flawless Line 96 106 96 +10 3.0
6 Catchafallingstar 93 94 99 -5 0.0 -
7 Musical Glitch 99 101 98 +3 3.0 -
8 Celtic Night 89 84 88 -4 3.0 -
9 Scented Mistress 96 96 96 ✓ Match 3.0 -
10 Silver Darling 84 115 78 +37 6.0 -
11 Fynbos 78 76 89 -13 0.0 -
12 Rewrite The Stars 76 59 89 -30 0.0 -
99 Ntinga - 74 77 -3 6.0 -
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