Official NHA Assessment

Race 4: SEAFOOD AND JAZZ FESTIVAL 2 APRIL MR 96 HANDICAP (Open)

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Line Horse
Mardi Gras
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
7 / 11
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    Whafeef              6    50.5    1    0.00     0.0   85    79           85    +0
2    Bowie                7    57.0    2    0.10     0.0   90    92           92    +2
3    Mardi Gras           7    60.5    3    2.25     0.0   102   102          102   +0
4    Fight Song           4    57.0    4    4.75     1.5   90    89           89    -1
5    Leopold              5    58.5    5    7.00     0.0   93    95           95    +2
6    Sea Ways             4    54.5    6    7.50     1.5   85    84           84    -1
7    Theory Of Flight     4    60.0    7    7.75     1.5   96    95           95    -1
8    Indlamu              4    60.5    8    8.75     1.5   97    96           96    -1
9    Winter With Jo       3    53.5    9    11.75    3.0   89    79           79    -10
99   Eskimo Pie           4    56.0    99   0.00     1.5   -     87           87    +0
99   Ballon D'or          5    55.0    99   0.00     0.0   -     88           88    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Whafeef 85 91 85 +6 0.0 -
2 Bowie 90 82 92 -10 0.0 -
3 Mardi Gras Line 102 83 102 -19 0.0
4 Fight Song 90 94 89 +5 1.5 -
5 Leopold 93 79 95 -16 0.0 -
6 Sea Ways 85 60 84 -24 1.5 -
7 Theory Of Flight 96 91 95 -4 1.5 -
8 Indlamu 97 86 96 -10 1.5 -
9 Winter With Jo 89 74 79 -5 3.0 -
99 Eskimo Pie - 83 87 -4 1.5 -
99 Ballon D'or - 61 88 -27 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