Official NHA Assessment

Race 6: TAB TELEBET 0861 000 822 MR 82 HANDICAP (Open)

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Line Horse
Vegas Gold
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
7 / 14
Within 2 points
Significant Diffs
6 / 14
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    Cool Winter          2    60.0    1    0.00     2.5   82    84           82    +0
2    Light That Loose     4    62.0    2    1.00     4.0   86    85           85    -1
3    Vegas Gold           3    61.0    3    1.10     3.5   84    84           84    +0
4    Notorix              6    55.5    4    1.35     0.0   73    80           80    +7
5    Esther               3    61.0    5    1.45     3.5   84    84           84    +0
6    Pompei Warning       2    56.5    6    1.50     2.5   80    77           77    -3
7    Great Melody         3    57.5    7    2.00     3.5   77    77           77    +0
8    Seattle Ripper       2    55.0    8    2.05     2.5   77    74           74    -3
9    Tuscan Gold          2    59.5    9    3.05     2.5   81    83           83    +2
10   Princess Deb's       3    60.0    10   4.55     3.5   82    82           82    +0
11   Caitlyns Boy         2    58.0    11   5.80     2.5   78    80           80    +2
12   Quest For The Best   4    57.0    12   19.30    4.0   76    75           75    -1
99   Ferrando             3    52.0    99   0.00     3.5   -     66           66    +0
99   Warbonnet Creek (IR  4    52.0    99   0.00     4.0   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Cool Winter 82 78 82 -4 2.5 -
2 Light That Loose 86 86 85 +1 4.0 -
3 Vegas Gold Line 84 83 84 -1 3.5
4 Notorix 73 68 80 -12 0.0 -
5 Esther 84 93 84 +9 3.5 -
6 Pompei Warning 80 75 77 -2 2.5 -
7 Great Melody 77 79 77 +2 3.5 -
8 Seattle Ripper 77 59 74 -15 2.5 -
9 Tuscan Gold 81 84 83 +1 2.5 -
10 Princess Deb's 82 80 82 -2 3.5 -
11 Caitlyns Boy 78 71 80 -9 2.5 -
12 Quest For The Best 76 76 75 +1 4.0 -
99 Ferrando - 74 66 +8 3.5 -
99 Warbonnet Creek (IRE) - 56 65 -9 4.0 -
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