Official NHA Assessment

Race 5: TAB TELEBET 0861 000 822 FM 68 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Darling Harbour
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
4 / 11
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    Three Cheers         3    57.5    1    0.00     2.0   66    56           66    +0
2    Take Your Time       3    50.5    2    0.50     2.0   58    49           49    -9
3    Lady Zultanite       3    59.5    3    1.50     2.0   72    65           65    -7
4    Darling Harbour      4    57.5    4    1.60     1.0   63    63           63    +0
5    Mothership           5    52.0    5    2.85     0.0   50    52           52    +2
6    A Month Of Sundays   4    57.0    6    4.35     1.0   62    58           58    -4
7    Sweet Nothings       3    55.5    7    9.60     2.0   62    52           52    -10
8    Midwicket            3    59.5    8    10.10    2.0   71    60           61    -10
9    Dutchess D'Orange    2    53.0    9    10.15    0.0   58    51           51    -7
10   Sundrop              6    52.0    10   14.90    0.0   48    49           49    +1
99   Fire Glow            4    59.5    99   0.00     1.0   -     62           62    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Three Cheers 66 79 66 +13 2.0 -
2 Take Your Time 58 60 49 +11 2.0 -
3 Lady Zultanite 72 66 65 +1 2.0 -
4 Darling Harbour Line 63 60 63 -3 1.0
5 Mothership 50 50 52 -2 0.0 -
6 A Month Of Sundays 62 55 58 -3 1.0 -
7 Sweet Nothings 62 60 52 +8 2.0 -
8 Midwicket 71 67 61 +6 2.0 -
9 Dutchess D'Orange 58 52 51 +1 0.0 -
10 Sundrop 48 48 49 -1 0.0 -
99 Fire Glow - 67 62 +5 1.0 -
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