Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 15 AUGUST FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Bretty
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
10 / 14
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    Jambo Sana           2    61.5    1    0.00     0.0   69    85           69    +0
2    Alex Miller          3    60.0    2    0.10     8.5   67    65           65    -2
3    Bretty               3    57.5    3    2.35     8.5   62    62           62    +0
4    Ice Cap              3    58.0    4    4.60     8.5   62    61           61    -1
5    Colorama             6    54.5    5    4.85     0.0   55    71           71    +16
6    Spoil Yourself       2    58.5    6    5.10     0.0   69    79           79    +10
7    Lady Luck            4    61.0    7    5.60     6.0   68    72           72    +4
8    Beneath The Moon     2    56.0    8    6.60     0.0   58    74           74    +16
9    Miss Shaivi          4    62.0    9    7.10     6.0   70    74           74    +4
10   Courageous           4    59.5    10   7.20     6.0   65    69           69    +4
11   Duellona             2    58.0    11   8.20     0.0   62    78           78    +16
12   Dancing In Winter    4    60.0    12   9.45     6.0   66    70           70    +4
13   Tune Again           6    55.5    13   10.95    0.0   56    73           73    +17
99   Midwicket            3    60.5    99   0.00     8.5   -     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 Jambo Sana 69 74 69 +5 0.0 -
2 Alex Miller 67 71 65 +6 8.5 -
3 Bretty Line 62 60 62 -2 8.5
4 Ice Cap 62 54 61 -7 8.5 -
5 Colorama 55 54 71 -17 0.0 -
6 Spoil Yourself 69 73 79 -6 0.0 -
7 Lady Luck 68 66 72 -6 6.0 -
8 Beneath The Moon 58 59 74 -15 0.0 -
9 Miss Shaivi 70 68 74 -6 6.0 -
10 Courageous 65 62 69 -7 6.0 -
11 Duellona 62 58 78 -20 0.0 -
12 Dancing In Winter 66 70 70 ✓ Match 6.0 -
13 Tune Again 56 50 73 -23 0.0 -
99 Midwicket - 67 66 +1 8.5 -
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