Official NHA Assessment

Race 5: TAB TELEBET 0861 000 822 MR 68 HANDICAP (Open)

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Line Horse
Narcos
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
2 / 13
Within 2 points
Significant Diffs
9 / 13
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    Vegas Gold           3    60.5    1    0.00     10.5  69    69           69    +0
2    Narcos               3    62.0    2    0.25     10.5  72    72           72    +0
3    Tevye                4    56.0    3    0.75     12.0  60    57           57    -3
4    Jaquar Cat           3    56.0    4    1.50     10.5  60    60           60    +0
5    Travel Master        4    59.0    5    2.00     12.0  66    63           63    -3
6    Winter Assembly      6    58.0    6    2.50     0.0   64    85           85    +21
7    Flower's Ridge       3    59.0    7    4.25     10.5  66    66           66    +0
8    The Carpenter        8    52.0    8    4.50     0.0   49    73           73    +24
9    After The Storm      4    59.0    9    5.75     12.0  66    63           63    -3
10   Jet Captain          3    56.5    10   5.80     10.5  61    61           61    +0
11   Undisclosed          5    59.0    11   5.85     0.0   69    87           87    +18
12   The Sands            6    52.5    12   10.10    0.0   52    74           74    +22
99   Stay The Course      4    57.0    99   0.00     12.0  -     59           59    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Vegas Gold 69 83 69 +14 10.5 -
2 Narcos Line 72 86 72 +14 10.5
3 Tevye 60 60 57 +3 12.0 -
4 Jaquar Cat 60 46 60 -14 10.5 -
5 Travel Master 66 65 63 +2 12.0 -
6 Winter Assembly 64 55 85 -30 0.0 -
7 Flower's Ridge 66 63 66 -3 10.5 -
8 The Carpenter 49 46 73 -27 0.0 -
9 After The Storm 66 65 63 +2 12.0 -
10 Jet Captain 61 47 61 -14 10.5 -
11 Undisclosed 69 62 87 -25 0.0 -
12 The Sands 52 50 74 -24 0.0 -
99 Stay The Course - 67 59 +8 12.0 -
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