Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 21 NOVEMBER FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Dancing Dora
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
6 / 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    Cars Big As Bars     4    62.0    1    0.00     9.0   70    52           70    +0
2    Dancing Dora         6    56.0    2    1.40     0.0   58    58           58    +0
3    Southern Style       5    53.0    3    2.65     0.0   57    52           52    -5
4    Mix The Magic        3    55.5    4    5.35     7.5   57    42           47    -10
5    Gimme The Flame      5    57.0    5    5.60     0.0   60    60           60    +0
6    Gal Gadot            8    52.0    6    5.90     0.0   50    50           50    +0
7    Bad Hair Day         2    52.0    7    6.65     5.0   47    40           40    -7
8    Tibetan Voyage       3    52.5    8    7.15     7.5   51    36           41    -10
99   Wilkies              2    52.0    99   0.00     5.0   -     40           40    +0
99   Oriental Bouquet     4    58.5    99   0.00     9.0   -     45           45    +0
99   Vathomvlaffie        2    55.0    99   0.00     5.0   -     46           46    +0
99   Samoa                10   57.5    99   0.00     0.0   -     61           61    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Cars Big As Bars 70 75 70 +5 9.0 -
2 Dancing Dora Line 58 53 58 -5 0.0
3 Southern Style 57 54 52 +2 0.0 -
4 Mix The Magic 57 52 47 +5 7.5 -
5 Gimme The Flame 60 50 60 -10 0.0 -
6 Gal Gadot 50 50 50 ✓ Match 0.0 -
7 Bad Hair Day 47 47 40 +7 5.0 -
8 Tibetan Voyage 51 51 41 +10 7.5 -
99 Wilkies - 50 40 +10 5.0 -
99 Oriental Bouquet - 56 45 +11 9.0 -
99 Vathomvlaffie - 56 46 +10 5.0 -
99 Samoa - 64 61 +3 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