Official NHA Assessment

Race 8: FOR HOSPITALITY BOOKINGS CALL 011 681 1796 MR 84 HANDICAP (Open)

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Line Horse
Hat Trick Or Treat
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
5 / 14
Within 2 points
Significant Diffs
8 / 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    Kudzu                2    59.0    1    0.00     0.0   82    87           82    +0
2    Ombudsman            3    53.0    2    0.70     4.0   78    72           72    -6
3    Spy Story            3    52.0    3    2.00     4.0   75    68           68    -7
4    Hat Trick Or Treat   2    57.5    4    2.20     0.0   87    87           87    +0
5    Willow Express       7    60.5    5    2.95     0.0   85    92           92    +7
6    Birthright           4    58.0    6    3.20     2.0   85    83           83    -2
7    King Of Numbers      4    56.0    7    3.50     2.0   76    78           78    +2
8    Warhawk Bomber       2    62.0    8    4.80     0.0   88    93           93    +5
9    Safe Space           5    56.5    9    5.30     0.0   77    82           82    +5
10   Salute The Flag      3    60.0    10   6.00     4.0   84    81           81    -3
11   Hazlo Grande         3    55.5    11   11.25    4.0   75    72           72    -3
12   Coppola              4    55.0    12   28.50    2.0   74    75           75    +1
99   Skittles Skies       3    58.0    99   0.00     4.0   -     77           77    +0
99   Kamensky             3    59.0    99   0.00     4.0   -     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 Kudzu 82 80 82 -2 0.0 -
2 Ombudsman 78 83 72 +11 4.0 -
3 Spy Story 75 66 68 -2 4.0 -
4 Hat Trick Or Treat Line 87 76 87 -11 0.0
5 Willow Express 85 82 92 -10 0.0 -
6 Birthright 85 95 83 +12 2.0 -
7 King Of Numbers 76 75 78 -3 2.0 -
8 Warhawk Bomber 88 80 93 -13 0.0 -
9 Safe Space 77 83 82 +1 0.0 -
10 Salute The Flag 84 81 81 ✓ Match 4.0 -
11 Hazlo Grande 75 74 72 +2 4.0 -
12 Coppola 74 83 75 +8 2.0 -
99 Skittles Skies - 96 77 +19 4.0 -
99 Kamensky - 105 79 +26 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