Official NHA Assessment

Race 2: WWW.TAB4RACING.COM MAIDEN PLATE (F & M) (For Maiden F&M. R15 000 Win bonus ROA Members)

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Line Horse
Powers That Be
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
5 / 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    October Fair         2    59.0    1    0.00     0.0   -     67           6     +6
2    Call To Glory (GB)   5    59.0    2    1.00     0.0   -     71           71    +71
3    Lady Zultanite       3    59.0    3    2.00     4.0   58    62           62    +4
4    Follow The Flow      3    59.0    4    2.75     4.0   -     61           61    +61
5    A Touch Of Sugar     2    59.0    5    3.00     0.0   -     69           69    +69
6    Powers That Be       2    59.0    6    3.25     0.0   69    69           69    +0
7    Elusive Fire         4    60.0    7    8.00     2.5   -     64           64    +64
8    Tree Fairy           3    56.5    8    11.75    4.0   63    54           54    -9
9    Misava               3    59.0    9    12.00    4.0   66    59           59    -7
10   Writteninthesand     3    59.0    10   13.00    4.0   -     59           59    +59
11   Percussionist        2    59.0    11   15.00    0.0   58    67           67    +9
99   Sky Velocity         5    59.0    99   0.00     0.0   -     67           67    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 October Fair - 74 6 +68 0.0 -
2 Call To Glory (GB) - 84 71 +13 0.0 -
3 Lady Zultanite 58 66 62 +4 4.0 -
4 Follow The Flow - 61 61 ✓ Match 4.0 -
5 A Touch Of Sugar - 58 69 -11 0.0 -
6 Powers That Be Line 69 67 69 -2 0.0
7 Elusive Fire - 63 64 -1 2.5 -
8 Tree Fairy 63 54 54 ✓ Match 4.0 -
9 Misava 66 53 59 -6 4.0 -
10 Writteninthesand - 57 59 -2 4.0 -
11 Percussionist 58 53 67 -14 0.0 -
99 Sky Velocity - 57 67 -10 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