Official NHA Assessment

Race 6: GREYVILLE CONVENTION CENTRE FM 74 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Off Limits
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
4 / 8
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    Linganomore          3    57.5    1    0.00     7.0   69    65           69    +0
2    Off Limits           3    59.0    2    1.90     7.0   73    73           73    +0
3    Lady Is A Champ      2    53.0    3    2.60     0.0   59    74           74    +15
4    Summer Song          3    60.5    4    3.50     7.0   78    74           74    -4
5    Red Knot             4    54.5    5    3.75     3.5   64    68           68    +4
6    Summerland           5    52.0    6    8.35     0.0   45    68           68    +23
7    Pull A Fast One      2    54.5    7    16.05    0.0   77    73           73    -4
99   Elusive Belle        4    53.0    99   0.00     3.5   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Linganomore 69 73 69 +4 7.0 -
2 Off Limits Line 73 73 73 ✓ Match 7.0
3 Lady Is A Champ 59 57 74 -17 0.0 -
4 Summer Song 78 76 74 +2 7.0 -
5 Red Knot 64 62 68 -6 3.5 -
6 Summerland 45 45 68 -23 0.0 -
7 Pull A Fast One 77 75 73 +2 0.0 -
99 Elusive Belle - 51 63 -12 3.5 -
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