Official NHA Assessment

Race 3: BETWAY BACK THE BOKS OPEN MAIDEN (For Maiden R15 000 Win Bonus ROA Members)

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Line Horse
Wolfram
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
7 / 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    Big Fella            2    54.0    1    0.00     0.0   65    70           70    +5
2    Wolfram              3    60.0    2    5.50     8.5   65    65           65    +0
3    Mohandas             3    58.0    3    6.00     8.5   61    61           61    +0
4    Regazzo Grande       2    54.5    4    10.00    0.0   70    71           71    +1
5    Sundrop              6    54.0    5    10.50    0.0   47    70           70    +23
6    Belle's First Wave   3    55.0    6    13.00    8.5   50    55           55    +5
7    Shunmyo              3    55.0    7    13.50    8.5   50    55           55    +5
8    Anna Karenina        3    54.0    8    15.75    8.5   58    53           53    -5
9    Flaming Drum         3    58.5    9    15.85    8.5   62    62           62    +0
10   Sahnish Girl         2    53.5    10   26.35    0.0   57    69           69    +12
11   Landingonthemoon     2    55.0    11   31.60    0.0   52    72           72    +20
12   Afrodite             3    54.0    12   99.98    8.5   57    53           53    -4
13   Tempelhoff           4    54.5    13   99.98    6.0   53    59           59    +6
99   Opening Ceremony     3    55.5    99   0.00     8.5   -     56           56    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Big Fella 65 70 70 ✓ Match 0.0 -
2 Wolfram Line 65 59 65 -6 8.5
3 Mohandas 61 64 61 +3 8.5 -
4 Regazzo Grande 70 72 71 +1 0.0 -
5 Sundrop 47 48 70 -22 0.0 -
6 Belle's First Wave 50 51 55 -4 8.5 -
7 Shunmyo 50 45 55 -10 8.5 -
8 Anna Karenina 58 58 53 +5 8.5 -
9 Flaming Drum 62 50 62 -12 8.5 -
10 Sahnish Girl 57 52 69 -17 0.0 -
11 Landingonthemoon 52 52 72 -20 0.0 -
12 Afrodite 57 56 53 +3 8.5 -
13 Tempelhoff 53 53 59 -6 6.0 -
99 Opening Ceremony - 55 56 -1 8.5 -
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