Official NHA Assessment

Race 2: RACING240 FOR RACING. FOR YOU GRADUATION PLATE (F & M) (For 1 & 2 Time Winners & Maidens (F & M))

Back to Race
Line Horse
Princess Ozma
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
6 / 7
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Moraine              2    55.0    1    0.00     0.0   87    82           82    -5
2    Princess Ozma        2    55.0    2    0.50     0.0   87    87           87    +0
3    Ready To Fly         2    54.0    3    5.50     0.0   82    80           80    -2
4    Young Jackie         3    55.5    4    6.00     7.0   63    69           69    +6
99   Lilliana             3    60.0    99   0.00     7.0   -     78           78    +0
99   Simple Simple        5    55.0    99   0.00     0.0   -     82           82    +0
99   Intoxicating         2    54.5    99   0.00     0.0   -     81           81    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Moraine 87 87 82 +5 0.0 -
2 Princess Ozma Line 87 66 87 -21 0.0
3 Ready To Fly 82 62 80 -18 0.0 -
4 Young Jackie 63 62 69 -7 7.0 -
99 Lilliana - 71 78 -7 7.0 -
99 Simple Simple - 71 82 -11 0.0 -
99 Intoxicating - 75 81 -6 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