Official NHA Assessment

Race 4: www.tabgold.co.za MR 76 HANDICAP (Open)

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Line Horse
Madison Blues
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
0 / 14
Within 2 points
Significant Diffs
9 / 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    Etiquette            3    56.5    1    0.00     7.0   77    64           77    +0
2    Khanyisa Indlela     3    56.0    2    0.30     7.0   68    70           70    +2
3    Madison Blues        3    59.0    3    1.05     7.0   75    75           75    +0
4    Catch The Tune       6    59.0    4    1.10     0.0   77    89           89    +12
5    Shoefella            2    58.0    5    1.40     0.0   73    86           86    +13
6    Billy Of Tea         2    54.0    6    1.80     0.0   78    78           78    +0
7    Tom's Act            3    52.5    7    2.60     7.0   61    60           60    -1
8    Safe Space           5    54.5    8    2.80     0.0   66    77           77    +11
9    Famous And Rich      2    60.5    9    4.50     0.0   78    87           87    +9
10   Master Of The Turf   3    54.5    10   5.55     7.0   79    60           69    -10
99   Teichman             5    60.0    99   0.00     0.0   -     85           85    +0
99   Bally Magic          6    52.0    99   0.00     0.0   -     69           69    +0
99   Dontstopmenow        3    59.0    99   0.00     7.0   -     69           69    +0
99   Cyber Time           3    61.0    99   0.00     7.0   -     73           73    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Etiquette 77 83 77 +6 7.0 -
2 Khanyisa Indlela 68 74 70 +4 7.0 -
3 Madison Blues Line 75 70 75 -5 7.0
4 Catch The Tune 77 70 89 -19 0.0 -
5 Shoefella 73 82 86 -4 0.0 -
6 Billy Of Tea 78 75 78 -3 0.0 -
7 Tom's Act 61 64 60 +4 7.0 -
8 Safe Space 66 83 77 +6 0.0 -
9 Famous And Rich 78 66 87 -21 0.0 -
10 Master Of The Turf 79 79 69 +10 7.0 -
99 Teichman - 73 85 -12 0.0 -
99 Bally Magic - 60 69 -9 0.0 -
99 Dontstopmenow - 62 69 -7 7.0 -
99 Cyber Time - 81 73 +8 7.0 -
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