Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING TUESDAY 3 MAY MR 78 HANDICAP (Open)

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Line Horse
Funky Music
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
5 / 10
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    Escape Artist        3    56.5    1    0.00     2.5   76    65           76    +0
2    Master Of Law        3    56.5    2    0.75     2.5   76    69           69    -7
3    Rodriguez            6    57.0    3    1.25     0.0   77    75           75    -2
4    Funky Music          4    54.5    4    1.50     1.0   67    67           67    +0
5    Letsdoit             3    57.0    5    1.75     2.5   77    69           69    -8
6    Dual At Dawn         5    58.5    6    3.25     0.0   75    76           76    +1
7    Motor City Hitman    3    58.5    7    4.15     2.5   80    70           70    -10
8    Banha Bridge         5    58.0    8    4.25     0.0   74    74           74    +0
9    Chyavana             3    58.0    9    6.00     2.5   79    68           69    -10
10   Let There Be Light   4    60.0    10   6.75     1.0   78    75           75    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Escape Artist 76 78 76 +2 2.5 -
2 Master Of Law 76 73 69 +4 2.5 -
3 Rodriguez 77 69 75 -6 0.0 -
4 Funky Music Line 67 83 67 +16 1.0
5 Letsdoit 77 72 69 +3 2.5 -
6 Dual At Dawn 75 62 76 -14 0.0 -
7 Motor City Hitman 80 68 70 -2 2.5 -
8 Banha Bridge 74 70 74 -4 0.0 -
9 Chyavana 79 106 69 +37 2.5 -
10 Let There Be Light 78 59 75 -16 1.0 -
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