Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 13 APRIL MR 72 HANDICAP (Open)

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Line Horse
Mcebisi
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
7 / 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    Bob's Your Uncle     5    60.5    1    0.00     0.0   78    70           78    +0
2    Napoleon             3    57.5    2    0.20     2.5   67    59           59    -8
3    Mcebisi              4    57.5    3    0.30     1.0   67    67           67    +0
4    Black Lightning      2    55.5    4    3.25     0.0   68    62           62    -6
5    Treaty               2    52.0    5    3.30     0.0   61    54           54    -7
6    Eagle Alley          4    52.0    6    3.70     1.0   61    52           52    -9
7    Gregor Macgregor     4    51.0    7    3.75     1.0   59    50           50    -9
8    Follow My Path       5    55.0    8    5.00     0.0   62    59           59    -3
9    Lidl Miss Sunshine   3    52.5    9    5.10     2.5   57    49           49    -8
10   Parker Getrix        4    52.0    10   13.50    1.0   54    51           51    -3
11   Da Capo              3    52.0    11   18.50    2.5   59    48           49    -10
99   Ballon D'or          5    59.5    99   0.00     0.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bob's Your Uncle 78 103 78 +25 0.0 -
2 Napoleon 67 72 59 +13 2.5 -
3 Mcebisi Line 67 70 67 +3 1.0
4 Black Lightning 68 64 62 +2 0.0 -
5 Treaty 61 48 54 -6 0.0 -
6 Eagle Alley 61 58 52 +6 1.0 -
7 Gregor Macgregor 59 63 50 +13 1.0 -
8 Follow My Path 62 54 59 -5 0.0 -
9 Lidl Miss Sunshine 57 62 49 +13 2.5 -
10 Parker Getrix 54 56 51 +5 1.0 -
11 Da Capo 59 50 49 +1 2.5 -
99 Ballon D'or - 61 68 -7 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