Official NHA Assessment

Race 6: TRACK & BALL GAMING FM 88 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Imbewu
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
7 / 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    Lee Express          4    57.0    1    0.00     0.5   82    81           82    +0
2    Lady Yusra           3    55.5    2    0.30     1.0   82    82           82    +0
3    Imbewu               3    55.5    3    0.60     1.0   82    82           82    +0
4    Another Love         4    59.5    4    2.10     0.5   87    89           89    +2
5    Starboard            4    57.5    5    3.10     0.5   83    84           84    +1
6    Lady Legend          5    60.5    6    3.50     0.0   89    90           90    +1
7    Mckenna Skye         3    57.0    7    5.70     1.0   85    80           80    -5
8    Area Fifty One       3    57.5    8    7.50     1.0   86    81           81    -5
9    Captain Ariano       4    54.5    9    7.65     0.5   77    76           76    -1
10   Maquette             3    56.5    10   9.05     1.0   84    79           79    -5
11   Irish Belle          4    52.0    11   14.05    0.5   80    71           71    -9
99   Petra                6    60.0    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 Lee Express 82 79 82 -3 0.5 -
2 Lady Yusra 82 85 82 +3 1.0 -
3 Imbewu Line 82 72 82 -10 1.0
4 Another Love 87 79 89 -10 0.5 -
5 Starboard 83 76 84 -8 0.5 -
6 Lady Legend 89 92 90 +2 0.0 -
7 Mckenna Skye 85 69 80 -11 1.0 -
8 Area Fifty One 86 78 81 -3 1.0 -
9 Captain Ariano 77 63 76 -13 0.5 -
10 Maquette 84 91 79 +12 1.0 -
11 Irish Belle 80 80 71 +9 0.5 -
99 Petra - 84 88 -4 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