Official NHA Assessment

Race 5: BETONTAB.CO.ZA MR 75 HANDICAP (Open)

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Line Horse
What A Tiger
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
5 / 10
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    Pendragon            5    56.5    1    0.00     0.0   71    71           71    +0
2    What A Tiger         5    54.0    2    1.10     0.0   66    66           66    +0
3    Successful Secret    4    57.5    3    1.40     0.0   75    73           73    -2
4    Laetitia's Angel     4    61.5    4    3.70     0.0   78    81           81    +3
5    Civil Princess (ARG  3    59.5    5    4.70     2.5   77    72           72    -5
6    Clean Living         2    55.0    6    4.75     1.5   68    65           65    -3
7    Mercer Girl          6    52.0    7    5.25     0.0   56    62           62    +6
8    Dontshootthebarman   5    58.0    8    5.50     0.0   74    74           74    +0
9    War Empress          5    58.0    9    6.00     0.0   74    74           74    +0
10   Smelting             7    51.5    10   10.50    0.0   63    61           61    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pendragon 71 73 71 +2 0.0 -
2 What A Tiger Line 66 71 66 +5 0.0
3 Successful Secret 75 65 73 -8 0.0 -
4 Laetitia's Angel 78 77 81 -4 0.0 -
5 Civil Princess (ARG) 77 72 72 ✓ Match 2.5 -
6 Clean Living 68 61 65 -4 1.5 -
7 Mercer Girl 56 53 62 -9 0.0 -
8 Dontshootthebarman 74 93 74 +19 0.0 -
9 War Empress 74 92 74 +18 0.0 -
10 Smelting 63 52 61 -9 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