Official NHA Assessment

Race 8: NEXT TURFFONTEIN RACEMEETING SATURDAY 23 DECEMBER MR 80 HANDICAP (Open)

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Line Horse
Light Of Day
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
3 / 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  
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1    Luthuli              5    58.0    1    0.00     0.0   76    73           76    +0
2    Light Of Day         5    57.5    2    1.75     0.0   75    75           75    +0
3    Godfather            2    53.5    3    1.80     0.0   67    67           67    +0
4    Dungeons             2    57.5    4    1.85     0.0   75    75           75    +0
5    Willow Express       7    59.5    5    1.90     0.0   79    79           79    +0
6    Colorado Creek       4    58.5    6    2.75     3.0   89    70           79    -10
7    Nordic Rebel         8    58.0    7    3.00     0.0   76    75           75    -1
8    The Kop              4    60.0    8    3.40     3.0   83    72           73    -10
9    The Brief            3    58.0    9    3.80     6.0   76    62           66    -10
10   Toffas               3    58.5    10   6.00     6.0   77    62           67    -10
99   Fort Lauderdale      2    61.0    99   0.00     0.0   -     79           79    +0
99   Secret Is Ours       4    60.5    99   0.00     3.0   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Luthuli 76 74 76 -2 0.0 -
2 Light Of Day Line 75 61 75 -14 0.0
3 Godfather 67 57 67 -10 0.0 -
4 Dungeons 75 73 75 -2 0.0 -
5 Willow Express 79 82 79 +3 0.0 -
6 Colorado Creek 89 80 79 +1 3.0 -
7 Nordic Rebel 76 81 75 +6 0.0 -
8 The Kop 83 78 73 +5 3.0 -
9 The Brief 76 90 66 +24 6.0 -
10 Toffas 77 74 67 +7 6.0 -
99 Fort Lauderdale - 85 79 +6 0.0 -
99 Secret Is Ours - 66 72 -6 3.0 -
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