Official NHA Assessment

Race 6: OPEN A TABGOLD ACCOUNT - 031 314 1874 MR 80 HANDICAP (Open)

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Line Horse
Tyrconnell
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
2 / 14
Within 2 points
Significant Diffs
9 / 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    Nocturnal Flight     3    57.5    1    0.00     8.0   76    59           76    +0
2    Tyrconnell           5    59.0    2    0.05     0.0   78    78           78    +0
3    Jazz Festival        5    55.5    3    0.35     0.0   71    76           76    +5
4    Nightjar             3    55.0    4    1.25     8.0   71    58           61    -10
5    Red Mountain         4    56.5    5    4.05     5.0   74    64           64    -10
6    Future Saint         4    56.5    6    4.65     5.0   74    63           64    -10
7    Double Olympic       4    55.5    7    4.70     5.0   72    61           62    -10
8    Dont Judge           2    56.0    8    6.10     0.0   88    72           78    -10
9    Night Rocker         2    55.5    9    6.40     0.0   87    71           77    -10
10   Ralph The Rascal     8    60.0    10   8.30     0.0   80    80           80    +0
11   Oh My Word Its Roy   3    52.0    11   11.70    8.0   54    48           48    -6
99   Down By The River    2    60.5    99   0.00     0.0   -     81           81    +0
99   Palermo              4    58.0    99   0.00     5.0   -     66           66    +0
99   El Dante             7    59.5    99   0.00     0.0   -     79           79    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Nocturnal Flight 76 72 76 -4 8.0 -
2 Tyrconnell Line 78 82 78 +4 0.0
3 Jazz Festival 71 70 76 -6 0.0 -
4 Nightjar 71 67 61 +6 8.0 -
5 Red Mountain 74 77 64 +13 5.0 -
6 Future Saint 74 53 64 -11 5.0 -
7 Double Olympic 72 53 62 -9 5.0 -
8 Dont Judge 88 74 78 -4 0.0 -
9 Night Rocker 87 77 77 ✓ Match 0.0 -
10 Ralph The Rascal 80 73 80 -7 0.0 -
11 Oh My Word Its Roy 54 50 48 +2 8.0 -
99 Down By The River - 95 81 +14 0.0 -
99 Palermo - 76 66 +10 5.0 -
99 El Dante - 87 79 +8 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