Official NHA Assessment

Race 6: NEXT MEETING AT HOLLYWOODBETS DURBANVILLE ON THE 7TH MARCH CLASS 4 (Open. Benchmark at 60.0kg = 78)

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Line Horse
Cattaleya
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
4 / 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    Charlie Croker       2    61.0    1    0.00     0.0   86    82           82    -4
2    Gimme More Time      5    58.5    2    0.40     0.0   81    82           82    +1
3    Carriacou            3    60.0    3    0.90     2.5   84    79           79    -5
4    Silent Trigger       6    60.0    4    1.90     0.0   78    83           83    +5
5    Cattaleya            2    57.0    5    2.10     0.0   77    77           77    +0
6    Paper Trail          4    54.5    6    2.40     1.5   67    68           68    +1
7    Pineapple Express    3    61.0    7    2.90     2.5   80    79           79    -1
8    Que Shiraz           3    60.0    8    4.15     2.5   78    76           76    -2
9    Captive Moon         6    52.0    9    5.40     0.0   61    64           64    +3
99   Winter Pearl         6    53.0    99   0.00     0.0   -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Charlie Croker 86 82 82 ✓ Match 0.0 -
2 Gimme More Time 81 87 82 +5 0.0 -
3 Carriacou 84 78 79 -1 2.5 -
4 Silent Trigger 78 60 83 -23 0.0 -
5 Cattaleya Line 77 67 77 -10 0.0
6 Paper Trail 67 60 68 -8 1.5 -
7 Pineapple Express 80 82 79 +3 2.5 -
8 Que Shiraz 78 72 76 -4 2.5 -
9 Captive Moon 61 75 64 +11 0.0 -
99 Winter Pearl - 71 66 +5 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