Official NHA Assessment

Race 9: OZOW CLASS 4 (F & M) (For Fillies & Mares. Benchmark at 60.0kg = 78)

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Line Horse
Great Cat
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
6 / 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    Knockout             2    59.5    1    0.00     4.0   85    69           69    -16
2    Mia's Harper         2    58.5    2    0.40     4.0   83    67           73    -10
3    Great Cat            5    56.0    3    1.65     0.0   70    70           70    +0
4    Double Dream         3    58.5    4    2.15     6.0   75    63           65    -10
5    Rani Of Jhansi       3    57.0    5    2.45     6.0   80    60           70    -10
6    Beneath The Moon     2    53.5    6    4.95     4.0   64    57           57    -7
7    Tibetan Voyage       3    56.0    7    5.15     6.0   78    58           68    -10
8    Electric Feels       5    52.0    8    5.55     0.0   62    62           62    +0
9    Golden Corn          2    57.5    9    5.85     4.0   81    65           71    -10
10   Black Path           6    52.0    10   7.10     0.0   52    62           62    +10
99   Girl Like Us         4    60.0    99   0.00     7.0   -     64           64    +0
99   Jam Jam              2    58.0    99   0.00     4.0   -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Knockout 85 101 69 +32 4.0 -
2 Mia's Harper 83 78 73 +5 4.0 -
3 Great Cat Line 70 82 70 +12 0.0
4 Double Dream 75 71 65 +6 6.0 -
5 Rani Of Jhansi 80 74 70 +4 6.0 -
6 Beneath The Moon 64 59 57 +2 4.0 -
7 Tibetan Voyage 78 51 68 -17 6.0 -
8 Electric Feels 62 57 62 -5 0.0 -
9 Golden Corn 81 60 71 -11 4.0 -
10 Black Path 52 58 62 -4 0.0 -
99 Girl Like Us - 80 64 +16 7.0 -
99 Jam Jam - 63 66 -3 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