Official NHA Assessment

Race 4: CAPE TURF CLUB SYNDICATES OPEN MAIDEN (For all Maidens)

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Line Horse
Tam's Knight
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
2 / 14
Within 2 points
Significant Diffs
3 / 14
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    Becky Sharp          4    55.0    1    0.00     2.5   69    63           63    -6
2    Palace Gift          3    55.0    2    0.50     2.0   64    64           64    +0
3    Tam's Knight         3    58.5    3    1.75     2.0   71    71           71    +0
4    Joueur De Flute      3    58.0    4    3.25     2.0   -     70           70    +70
5    Cliff Swallow        3    61.0    5    4.50     2.0   76    76           76    +0
6    King Viserys         4    57.5    6    4.70     2.5   69    68           68    -1
7    House Of Sussex      4    53.5    7    5.20     2.5   61    60           60    -1
8    Givethatmanabells    4    61.0    8    5.95     2.5   76    75           75    -1
9    Lead To Glory        4    51.5    9    6.35     2.5   60    56           56    -4
10   Meant To Be          3    61.0    10   7.10     2.0   -     76           76    +76
11   Miss Lemonade        2    51.5    11   8.10     1.0   55    59           59    +4
12   Bryden Bay           2    53.0    12   8.30     1.0   60    62           62    +2
13   Juan Les Pins        3    53.5    13   9.55     2.0   61    61           61    +0
99   Daisy Duke           2    52.0    99   0.00     1.0   -     60           60    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Becky Sharp 69 68 63 +5 2.5 -
2 Palace Gift 64 77 64 +13 2.0 -
3 Tam's Knight Line 71 76 71 +5 2.0
4 Joueur De Flute - 67 70 -3 2.0 -
5 Cliff Swallow 76 72 76 -4 2.0 -
6 King Viserys 69 73 68 +5 2.5 -
7 House Of Sussex 61 50 60 -10 2.5 -
8 Givethatmanabells 76 70 75 -5 2.5 -
9 Lead To Glory 60 52 56 -4 2.5 -
10 Meant To Be - 78 76 +2 2.0 -
11 Miss Lemonade 55 56 59 -3 1.0 -
12 Bryden Bay 60 63 62 +1 1.0 -
13 Juan Les Pins 61 56 61 -5 2.0 -
99 Daisy Duke - 47 60 -13 1.0 -
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