Official NHA Assessment

Race 3: BOOK A TABLE CALL 011 681 1796 MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

Back to Race
Line Horse
Secret Chord
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
8 / 8
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Love Tap             3    57.5    1    0.00     6.0   -     76           6     +6
2    Secret Chord         4    60.0    2    0.25     7.0   79    79           79    +0
3    Dhow Solo            3    57.5    3    2.50     6.0   -     76           76    +76
4    Pacific              4    60.0    4    5.00     7.0   -     79           79    +79
5    Bryden Bay           2    60.0    5    5.50     4.0   64    85           85    +21
6    Major Strides        3    60.0    6    6.75     6.0   -     81           81    +81
7    Sutherland           4    58.5    7    18.00    7.0   -     76           76    +76
99   Royal Summons        2    60.0    99   0.00     4.0   -     85           85    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Love Tap - 69 6 +63 6.0 -
2 Secret Chord Line 79 92 79 +13 7.0
3 Dhow Solo - 62 76 -14 6.0 -
4 Pacific - 50 79 -29 7.0 -
5 Bryden Bay 64 63 85 -22 4.0 -
6 Major Strides - - 81 -81 6.0 -
7 Sutherland - 85 76 +9 7.0 -
99 Royal Summons - - 85 -85 4.0 -
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