Official NHA Assessment

Race 4: CAPE TURF CLUB SYNDICATES CLASS 4 (F & M) (For Fillies & Mares. Benchmark at 60.0kg = 78)

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Line Horse
Cloud Chaser
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
0 / 12
Within 2 points
Significant Diffs
8 / 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    Philosophise         5    59.5    1    0.00     0.0   77    85           83    +6
2    Cloud Chaser         3    59.0    2    1.00     6.0   76    76           76    +0
3    Cattaleya            2    57.0    3    1.40     0.0   72    83           83    +11
4    Miss New York        3    56.0    4    2.90     6.0   70    68           68    -2
5    Joy And Peace        4    61.0    5    4.15     3.0   92    83           83    -9
6    Desert Rose          3    61.5    6    4.25     6.0   81    78           78    -3
7    Mothership           5    53.5    7    4.30     0.0   65    73           73    +8
8    Nordic Quest         2    57.0    8    4.70     0.0   84    80           80    -4
9    Glee Club            2    57.5    9    5.20     0.0   85    81           81    -4
10   Winter Frolic        2    57.0    10   5.50     0.0   84    80           80    -4
11   Green Valkyrie       4    54.5    11   5.70     3.0   79    69           69    -10
12   Red Moon Rising      2    56.0    12   6.45     0.0   82    78           78    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Philosophise 77 80 83 -3 0.0 -
2 Cloud Chaser Line 76 68 76 -8 6.0
3 Cattaleya 72 67 83 -16 0.0 -
4 Miss New York 70 61 68 -7 6.0 -
5 Joy And Peace 92 110 83 +27 3.0 -
6 Desert Rose 81 75 78 -3 6.0 -
7 Mothership 65 50 73 -23 0.0 -
8 Nordic Quest 84 101 80 +21 0.0 -
9 Glee Club 85 76 81 -5 0.0 -
10 Winter Frolic 84 61 80 -19 0.0 -
11 Green Valkyrie 79 74 69 +5 3.0 -
12 Red Moon Rising 82 68 78 -10 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