Official NHA Assessment

Race 2: RACEHORSE OWNERS ASSOCIATION CONDITIONAL MAIDEN (Mdns 3 runs or more & NR 66 or less R5 000 Win bonus ROA Mem)

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Line Horse
Come On You Spurs
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
5 / 11
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    'O Captain           2    55.0    1    0.00     0.0   53    51           51    -2
2    Come On You Spurs    2    57.0    2    1.25     0.0   59    59           59    +0
3    My True Love         4    54.5    3    4.00     0.5   57    50           50    -7
4    Act Of Power         3    56.5    4    5.75     1.5   62    51           52    -10
5    Maxigirl             3    54.0    5    7.50     1.5   73    46           63    -10
6    Pantador             2    54.5    6    8.00     0.0   31    50           50    +19
7    Seethebadge          2    54.0    7    9.25     0.0   45    49           49    +4
8    Willowcede           2    54.0    8    10.50    0.0   66    49           56    -10
9    Run For Me           2    60.0    9    14.25    0.0   66    61           61    -5
99   Portcullis           3    58.0    99   0.00     1.5   -     54           54    +0
99   Torrone              2    58.0    99   0.00     0.0   -     57           57    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 'O Captain 53 52 51 +1 0.0 -
2 Come On You Spurs Line 59 51 59 -8 0.0
3 My True Love 57 50 50 ✓ Match 0.5 -
4 Act Of Power 62 50 52 -2 1.5 -
5 Maxigirl 73 61 63 -2 1.5 -
6 Pantador 31 40 50 -10 0.0 -
7 Seethebadge 45 45 49 -4 0.0 -
8 Willowcede 66 67 56 +11 0.0 -
9 Run For Me 66 65 61 +4 0.0 -
99 Portcullis - 63 54 +9 1.5 -
99 Torrone - 63 57 +6 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