Official NHA Assessment

Race 8: NEXT MEETING 16 MARCH DURBANVILLE FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Dawnofanewday
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
0 / 14
Within 2 points
Significant Diffs
12 / 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    Perfect Trust        7    57.0    1    0.00     0.0   72    80           72    +0
2    Fly To Rio           4    52.0    2    1.25     1.5   59    71           71    +12
2    Magical Java         6    52.5    2    1.25     0.0   61    75           75    +14
4    Dawnofanewday        3    56.0    4    1.30     2.5   76    76           76    +0
5    Going Up             3    60.5    5    1.50     2.5   85    85           85    +0
6    Alfred's Girl        7    54.5    6    1.70     0.0   67    78           78    +11
7    Polar World          3    58.5    7    2.95     2.5   81    80           80    -1
8    Miss Millstream      5    58.0    8    3.15     0.0   74    84           84    +10
9    Forries Forever      3    59.5    9    3.65     2.5   83    81           81    -2
10   Safe To Assume (AUS  4    56.0    10   4.05     1.5   70    76           76    +6
11   Global Goddess       3    56.0    11   4.80     2.5   76    73           73    -3
99   Bye Bye Bombshell    3    60.5    99   0.00     2.5   -     82           82    +0
99   Hilarity (GB)        4    53.5    99   0.00     1.5   -     70           70    +0
99   Academic Gold        5    55.5    99   0.00     0.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Perfect Trust 72 50 72 -22 0.0 -
2 Fly To Rio 59 54 71 -17 1.5 -
2 Magical Java 61 62 75 -13 0.0 -
4 Dawnofanewday Line 76 107 76 +31 2.5
5 Going Up 85 110 85 +25 2.5 -
6 Alfred's Girl 67 65 78 -13 0.0 -
7 Polar World 81 70 80 -10 2.5 -
8 Miss Millstream 74 63 84 -21 0.0 -
9 Forries Forever 83 77 81 -4 2.5 -
10 Safe To Assume (AUS) 70 60 76 -16 1.5 -
11 Global Goddess 76 54 73 -19 2.5 -
99 Bye Bye Bombshell - 93 82 +11 2.5 -
99 Hilarity (GB) - 63 70 -7 1.5 -
99 Academic Gold - 80 77 +3 0.0 -
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