Official NHA Assessment

Race 4: SOCIAL SQUAD MAIDEN PLATE (For all Maidens)

Back to Race
Line Horse
Afrique
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
5 / 12
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Native Ruler         3    60.0    1    0.00     6.0   85    78           78    -7
2    Gran Canaria         3    60.0    2    1.00     6.0   -     82           82    +82
3    Red Dawn             3    60.0    3    1.05     6.0   78    82           82    +4
4    Afrique              3    60.0    4    1.45     6.0   81    81           81    +0
5    Harun Al Rashid      3    60.0    5    3.45     6.0   -     79           79    +79
6    Mr Fox               3    60.0    6    6.20     6.0   75    78           78    +3
7    White Seahorse       2    60.0    7    6.95     0.0   70    90           90    +20
8    Repetition           3    60.0    8    9.45     6.0   -     78           78    +78
9    Pai Mei              2    60.0    9    10.70    0.0   61    90           90    +29
10   Haarlem              3    60.0    10   10.80    6.0   -     78           78    +78
11   Rock Of Eye          3    60.0    11   12.55    6.0   -     78           78    +78
12   Copper Plate         3    60.0    12   15.55    6.0   -     78           78    +78
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Native Ruler 85 123 78 +45 6.0 -
2 Gran Canaria - 77 82 -5 6.0 -
3 Red Dawn 78 79 82 -3 6.0 -
4 Afrique Line 81 83 81 +2 6.0
5 Harun Al Rashid - 80 79 +1 6.0 -
6 Mr Fox 75 99 78 +21 6.0 -
7 White Seahorse 70 81 90 -9 0.0 -
8 Repetition - 74 78 -4 6.0 -
9 Pai Mei 61 58 90 -32 0.0 -
10 Haarlem - 73 78 -5 6.0 -
11 Rock Of Eye - 57 78 -21 6.0 -
12 Copper Plate - 75 78 -3 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