Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 2 DECEMBER FM 70 HANDICAP (F & M) (Fillies and Mares)

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Line Horse
Buttercup
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
5 / 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    Rose Of Bayeux       3    59.0    1    0.00     6.0   68    66           68    +0
2    Owlette              4    56.0    2    2.50     3.5   62    67           67    +5
3    Buttercup            3    61.5    3    3.00     6.0   73    73           73    +0
4    One Bite At A Time   3    52.5    4    4.25     6.0   55    54           54    -1
5    Sing Girl Sing       3    57.5    5    4.50     6.0   65    63           63    -2
6    Rhythm Of The Rain   3    58.5    6    4.60     6.0   67    65           65    -2
7    Holly's View         2    60.5    7    6.85     0.0   83    81           81    -2
8    Iqembulabesifazane   3    57.0    8    8.10     6.0   64    62           62    -2
9    Libran Lana          3    54.0    9    9.85     6.0   58    56           56    -2
10   Crown Plaza          3    60.0    10   10.60    6.0   70    68           68    -2
11   Ancestral Prayer     4    62.0    11   13.85    3.5   74    77           77    +3
99   State Of Mind        4    56.0    99   0.00     3.5   -     65           65    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rose Of Bayeux 68 77 68 +9 6.0 -
2 Owlette 62 56 67 -11 3.5 -
3 Buttercup Line 73 57 73 -16 6.0
4 One Bite At A Time 55 52 54 -2 6.0 -
5 Sing Girl Sing 65 62 63 -1 6.0 -
6 Rhythm Of The Rain 67 70 65 +5 6.0 -
7 Holly's View 83 66 81 -15 0.0 -
8 Iqembulabesifazane 64 65 62 +3 6.0 -
9 Libran Lana 58 51 56 -5 6.0 -
10 Crown Plaza 70 58 68 -10 6.0 -
11 Ancestral Prayer 74 79 77 +2 3.5 -
99 State Of Mind - 65 65 ✓ Match 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