Official NHA Assessment

Race 8: NEXT TURFFONTEIN RACEMEETING SATURDAY 7 MARCH MAIDEN PLATE (For all Maidens)

Line Horse
Rock My Boat
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 11
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Kambati              4    56.0    1    0.00     2.0   64    65           65    +1
2    Major Arcana         4    60.0    2    3.40     2.0   -     74           74    +74
3    Rock My Boat         3    60.0    3    4.40     4.0   69    69           69    +0
4    Trip Of Faith        3    57.0    4    5.10     4.0   -     63           63    +63
5    Lance Alot           2    60.0    5    5.70     0.0   74    77           77    +3
6    Truro Legacy         3    60.0    6    12.00    4.0   63    69           69    +6
7    Storm Burst          2    60.0    7    12.50    0.0   63    77           77    +14
8    Nebraska             3    60.0    8    17.00    4.0   74    69           69    -5
9    Frankie Fahrenheit   2    60.0    9    99.99    0.0   63    77           77    +14
99   Brigitte Anne        2    57.0    99   0.00     0.0   -     71           71    +0
99   Lannyboy             2    60.0    99   0.00     0.0   -     77           77    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kambati 64 75 65 +10 2.0 -
2 Major Arcana - 74 74 ✓ Match 2.0 -
3 Rock My Boat Line 69 66 69 -3 4.0
4 Trip Of Faith - 79 63 +16 4.0 -
5 Lance Alot 74 68 77 -9 0.0 -
6 Truro Legacy 63 60 69 -9 4.0 -
7 Storm Burst 63 63 77 -14 0.0 -
8 Nebraska 74 72 69 +3 4.0 -
9 Frankie Fahrenheit 63 63 77 -14 0.0 -
99 Brigitte Anne - 70 71 -1 0.0 -
99 Lannyboy - 68 77 -9 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