Official NHA Assessment

Race 9: www.tabgold.co.za MIDDLE STAKES (For horses with nett rating of 102 and below)

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Line Horse
Icy Blast
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
5 / 11
Within 2 points
Significant Diffs
3 / 11
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    Thisiswhatitmeans    4    58.5    1    0.00     0.5   94    90           90    -4
2    Legal Counsel        3    58.5    2    0.30     1.5   98    93           93    -5
3    Rosh Kedesh          5    55.5    3    1.90     0.0   83    88           88    +5
4    Icy Blast            4    55.5    4    2.30     0.5   86    86           86    +0
5    Except Temptation    2    55.5    5    2.40     0.0   86    87           87    +1
6    Giambattista         3    55.5    6    4.70     1.5   85    82           82    -3
7    Nelson Bay           4    58.5    7    5.30     0.5   91    90           90    -1
8    Got The Word         2    51.0    8    7.00     0.0   73    76           76    +3
9    Golden Destiny       2    57.0    9    8.20     0.0   91    88           88    -3
10   Notable              2    54.0    10   10.30    0.0   84    82           82    -2
11   Proud Master         3    61.5    11   16.50    1.5   102   94           94    -8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Thisiswhatitmeans 94 106 90 +16 0.5 -
2 Legal Counsel 98 128 93 +35 1.5 -
3 Rosh Kedesh 83 88 88 ✓ Match 0.0 -
4 Icy Blast Line 86 88 86 +2 0.5
5 Except Temptation 86 84 87 -3 0.0 -
6 Giambattista 85 87 82 +5 1.5 -
7 Nelson Bay 91 90 90 ✓ Match 0.5 -
8 Got The Word 73 52 76 -24 0.0 -
9 Golden Destiny 91 90 88 +2 0.0 -
10 Notable 84 84 82 +2 0.0 -
11 Proud Master 102 97 94 +3 1.5 -
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