Official NHA Assessment

Race 1: BET WITH TABGOLD - THE INTELLIGENT BET! MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Ubukhwebezana
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 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    Ubukhwebezana        4    60.0    1    0.00     2.5   67    67           67    +0
2    Avernian Goddess     3    57.0    2    0.50     2.0   -     62           62    +62
3    Oh Yoko              3    57.0    3    5.70     2.0   -     62           62    +62
4    Sheezarocket         2    55.5    4    10.40    1.0   -     61           61    +61
5    Sweet Dreamer        2    57.0    5    10.65    1.0   -     64           64    +64
6    Rosa Osiria          3    57.0    6    11.95    2.0   -     62           62    +62
7    Roy Taking Off       4    60.0    7    13.75    2.5   -     67           67    +67
8    Roys' Daisy          6    60.0    8    16.65    0.0   21    72           72    +51
99   Someday Maybe        3    60.0    99   0.00     2.0   -     68           68    +0
99   Ciao Baby Ciao       2    57.0    99   0.00     1.0   -     64           64    +0
99   Take Note            2    57.0    99   0.00     1.0   -     64           64    +0
99   Princess Charmer     2    57.0    99   0.00     1.0   -     64           64    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ubukhwebezana Line 67 93 67 +26 2.5
2 Avernian Goddess - 91 62 +29 2.0 -
3 Oh Yoko - 54 62 -8 2.0 -
4 Sheezarocket - 62 61 +1 1.0 -
5 Sweet Dreamer - - 64 -64 1.0 -
6 Rosa Osiria - 57 62 -5 2.0 -
7 Roy Taking Off - 54 67 -13 2.5 -
8 Roys' Daisy 21 39 72 -33 0.0 -
99 Someday Maybe - 56 68 -12 2.0 -
99 Ciao Baby Ciao - 63 64 -1 1.0 -
99 Take Note - 58 64 -6 1.0 -
99 Princess Charmer - 50 64 -14 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