Official NHA Assessment

Race 6: www.goldcircle.co.za MR 66 HANDICAP (Open)

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Line Horse
Happy Wanderer
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  
------------------------------------------------------------------------------------------------------------------------
1    Quest For The Best   4    50.0    1    0.00     9.0   51    28           51    +0
2    Happy Wanderer       5    56.0    2    0.50     0.0   58    58           58    +0
3    Geronimo             4    59.5    3    0.55     9.0   65    47           55    -10
4    Gunsmoke             3    58.5    4    0.70     7.5   63    48           53    -10
5    Pedro                6    58.0    5    1.90     0.0   62    62           62    +0
6    Don Reposado         3    54.5    6    4.10     7.5   60    40           50    -10
7    Ice Kingdom          2    61.0    7    4.50     5.0   78    58           68    -10
8    Grey Ocean           4    58.5    8    4.55     9.0   63    45           53    -10
9    We All Chomies       5    54.5    9    5.45     0.0   55    55           55    +0
10   Sir Pom              4    58.0    10   6.55     9.0   62    44           52    -10
11   Hippocrates          3    56.0    11   13.35    7.5   58    43           48    -10
99   Two Of Us            6    56.5    99   0.00     0.0   -     59           59    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Quest For The Best 51 76 51 +25 9.0 -
2 Happy Wanderer Line 58 55 58 -3 0.0
3 Geronimo 65 50 55 -5 9.0 -
4 Gunsmoke 63 68 53 +15 7.5 -
5 Pedro 62 72 62 +10 0.0 -
6 Don Reposado 60 51 50 +1 7.5 -
7 Ice Kingdom 78 80 68 +12 5.0 -
8 Grey Ocean 63 61 53 +8 9.0 -
9 We All Chomies 55 54 55 -1 0.0 -
10 Sir Pom 62 57 52 +5 9.0 -
11 Hippocrates 58 68 48 +20 7.5 -
99 Two Of Us - 67 59 +8 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