Official NHA Assessment

Race 1: WELCOME TO NELSON MANDELA BAY MAIDEN PLATE (For all Maidens)

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Line Horse
Master Forester
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
0 / 13
Within 2 points
Significant Diffs
13 / 13
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    Roomformanoeuvre     4    60.0    1    0.00     12.0  -     76           6     +6
2    Maneki Neko          2    60.0    2    2.00     7.0   72    86           86    +14
3    Master Forester      3    58.0    3    2.75     10.5  75    75           75    +0
4    Master Of Defense    3    60.0    4    3.25     10.5  60    79           79    +19
5    Flash Lightning      4    60.0    5    5.00     12.0  73    76           76    +3
6    Tyrons Vision        3    58.5    6    6.50     10.5  59    76           76    +17
7    American Pitbull     5    60.0    7    7.75     0.0   -     100          100   +100
8    Lennoxtown           2    58.0    8    8.75     7.0   -     82           82    +82
9    Kohana               2    58.0    9    10.00    7.0   -     82           82    +82
10   Glen Nevis           4    60.0    10   28.50    12.0  -     76           76    +76
11   Macarina Mambo       5    57.5    11   99.99    0.0   -     95           95    +95
99   Winning Captain      3    60.0    99   0.00     10.5  -     79           79    +0
99   Dynamite Jet         6    56.0    99   0.00     0.0   -     92           92    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Roomformanoeuvre - 69 6 +63 12.0 -
2 Maneki Neko 72 60 86 -26 7.0 -
3 Master Forester Line 75 90 75 +15 10.5
4 Master Of Defense 60 63 79 -16 10.5 -
5 Flash Lightning 73 69 76 -7 12.0 -
6 Tyrons Vision 59 53 76 -23 10.5 -
7 American Pitbull - 62 100 -38 0.0 -
8 Lennoxtown - 72 82 -10 7.0 -
9 Kohana - 70 82 -12 7.0 -
10 Glen Nevis - 37 76 -39 12.0 -
11 Macarina Mambo - 48 95 -47 0.0 -
99 Winning Captain - 54 79 -25 10.5 -
99 Dynamite Jet - 43 92 -49 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