Official NHA Assessment

Race 2: BETONTAB.CO.ZA MAIDEN PLATE (For all Maidens)

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Line Horse
Black Burner
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
0 / 13
Within 2 points
Significant Diffs
10 / 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    Here Is The Tiger    3    60.0    1    0.00     4.5   -     65           6     +6
2    Gone In Time         3    60.0    2    2.25     4.5   54    65           65    +11
3    Cross Examiner       3    60.0    3    2.50     4.5   58    65           65    +7
4    Black Burner         3    60.0    4    3.50     4.5   65    65           65    +0
5    Magic Dancer         3    60.0    5    4.50     4.5   -     65           65    +65
6    Al Borani            3    60.0    6    7.75     4.5   -     65           65    +65
7    Bevoeterd            3    60.0    7    9.50     4.5   66    65           65    -1
8    Plenty Of It         3    60.0    8    11.00    4.5   -     65           65    +65
9    Thornton Creek       4    60.0    9    12.25    5.0   -     64           64    +64
10   Capture The Castle   3    60.0    10   12.35    4.5   -     65           65    +65
11   Whistleforthewind    3    60.0    11   12.50    4.5   -     65           65    +65
99   Inverurie            3    60.0    99   0.00     4.5   -     65           65    +0
99   Coat Of Arms         3    60.0    99   0.00     4.5   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Here Is The Tiger - 72 6 +66 4.5 -
2 Gone In Time 54 54 65 -11 4.5 -
3 Cross Examiner 58 50 65 -15 4.5 -
4 Black Burner Line 65 60 65 -5 4.5
5 Magic Dancer - 61 65 -4 4.5 -
6 Al Borani - 60 65 -5 4.5 -
7 Bevoeterd 66 58 65 -7 4.5 -
8 Plenty Of It - 22 65 -43 4.5 -
9 Thornton Creek - 30 64 -34 5.0 -
10 Capture The Castle - 48 65 -17 4.5 -
11 Whistleforthewind - 48 65 -17 4.5 -
99 Inverurie - - 65 -65 4.5 -
99 Coat Of Arms - - 65 -65 4.5 -
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