Official NHA Assessment

Race 10: NEXT VAAL RACEMEETING THURSDAY 18 DECEMBER MR 70 HANDICAP (Open)

Back to Race
Line Horse
Vava Vegas
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
6 / 11
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Johnny Drama         3    58.0    1    0.00     6.0   74    53           74    +0
2    Guerilla Warfare     3    59.5    2    0.20     6.0   74    56           64    -10
3    Vava Vegas           5    55.0    3    3.40     0.0   60    60           60    +0
4    Mizzen Sword         3    59.5    4    5.00     6.0   69    56           59    -10
5    Michael Faraday      2    59.5    5    5.40     0.0   69    68           68    -1
6    Sheets And Goggles   3    59.0    6    6.20     6.0   68    55           58    -10
7    Together Again       5    48.0    7    6.50     0.0   53    45           45    -8
8    Bold Action          2    56.5    8    6.90     0.0   75    62           65    -10
9    Gamer                4    56.5    9    8.20     3.0   66    56           56    -10
10   Stop The Traffic     4    58.0    10   8.80     3.0   66    59           59    -7
99   Codeword             2    55.5    99   0.00     0.0   -     60           60    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Johnny Drama 74 78 74 +4 6.0 -
2 Guerilla Warfare 74 75 64 +11 6.0 -
3 Vava Vegas Line 60 58 60 -2 0.0
4 Mizzen Sword 69 66 59 +7 6.0 -
5 Michael Faraday 69 68 68 ✓ Match 0.0 -
6 Sheets And Goggles 68 63 58 +5 6.0 -
7 Together Again 53 55 45 +10 0.0 -
8 Bold Action 75 62 65 -3 0.0 -
9 Gamer 66 65 56 +9 3.0 -
10 Stop The Traffic 66 65 59 +6 3.0 -
99 Codeword - 54 60 -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