Official NHA Assessment

Race 2: JOIN THE RACE COAST TURF CLUB MAIDEN PLATE (For all Maidens)

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Line Horse
Behave Harris
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
0 / 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    Influence            3    60.0    1    0.00     6.0   -     75           6     +6
2    Turbulent            3    60.0    2    0.20     6.0   -     75           75    +75
3    Behave Harris        2    60.0    3    1.45     4.0   79    79           79    +0
4    Volegov              3    60.0    4    1.85     6.0   80    75           75    -5
5    Big Deal             2    60.0    5    2.60     4.0   76    79           79    +3
6    I Am Sam             3    60.0    6    4.10     6.0   -     75           75    +75
7    The Muffin Man       3    60.0    7    4.20     6.0   -     75           75    +75
8    Full Of It           3    60.0    8    5.20     6.0   -     75           75    +75
9    Waterfront           3    60.0    9    6.20     6.0   -     75           75    +75
10   Musical Sword        3    56.0    10   7.20     6.0   -     67           67    +67
11   Echo Foxtrot         3    60.0    11   10.20    6.0   -     75           75    +75
12   Undoubted The Boy    3    60.0    12   10.60    6.0   -     75           75    +75
13   Jack The Nipper      3    60.0    13   24.60    6.0   -     75           75    +75
99   Born To Master       3    60.0    99   0.00     6.0   -     75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Influence - 83 6 +77 6.0 -
2 Turbulent - 81 75 +6 6.0 -
3 Behave Harris Line 79 83 79 +4 4.0
4 Volegov 80 78 75 +3 6.0 -
5 Big Deal 76 75 79 -4 4.0 -
6 I Am Sam - 70 75 -5 6.0 -
7 The Muffin Man - 65 75 -10 6.0 -
8 Full Of It - - 75 -75 6.0 -
9 Waterfront - 66 75 -9 6.0 -
10 Musical Sword - - 67 -67 6.0 -
11 Echo Foxtrot - 57 75 -18 6.0 -
12 Undoubted The Boy - 54 75 -21 6.0 -
13 Jack The Nipper - - 75 -75 6.0 -
99 Born To Master - 59 75 -16 6.0 -
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