Official NHA Assessment

Race 7: TAB TELEBET 0861 000 822 MR 80 HANDICAP (Open)

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Line Horse
Mescal
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 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    Chyavana             3    59.5    1    0.00     8.5   79    84           79    +0
2    Twice The Storm      2    55.5    2    0.25     5.5   82    82           82    +0
3    Mescal               2    52.5    3    2.50     5.5   76    76           76    +0
4    Bonnaroo             3    56.0    4    5.00     8.5   72    77           77    +5
5    Back To Basics       3    52.0    5    5.25     8.5   63    69           69    +6
6    Bronco Blitz         3    58.0    6    7.75     8.5   76    81           81    +5
7    Coffee Break         3    59.0    7    8.25     8.5   78    83           83    +5
8    Letsdoit             3    58.5    8    9.75     8.5   77    82           82    +5
9    Great Times          3    54.5    9    10.50    8.5   68    74           74    +6
10   Sullenberger         5    59.5    10   14.50    0.0   87    101          101   +14
99   Kalahari Blue        2    54.0    99   0.00     5.5   -     79           79    +0
99   Aristachus           5    58.5    99   0.00     0.0   -     99           99    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chyavana 79 106 79 +27 8.5 -
2 Twice The Storm 82 73 82 -9 5.5 -
3 Mescal Line 76 64 76 -12 5.5
4 Bonnaroo 72 84 77 +7 8.5 -
5 Back To Basics 63 72 69 +3 8.5 -
6 Bronco Blitz 76 80 81 -1 8.5 -
7 Coffee Break 78 65 83 -18 8.5 -
8 Letsdoit 77 72 82 -10 8.5 -
9 Great Times 68 54 74 -20 8.5 -
10 Sullenberger 87 72 101 -29 0.0 -
99 Kalahari Blue - 75 79 -4 5.5 -
99 Aristachus - 77 99 -22 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