Official NHA Assessment

Race 9: NEXT VAAL RACEMEETING TUESDAY 26 AUGUST MR 66 HANDICAP (Open)

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Line Horse
Together Again
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
4 / 10
Within 2 points
Significant Diffs
4 / 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    Can't Catch Me       5    55.0    1    0.00     0.0   56    53           56    +0
2    Together Again       5    53.5    2    1.40     0.0   53    53           53    +0
3    Stroke Of Mercy      5    55.0    3    1.90     0.0   56    56           56    +0
4    Zoombomber           2    58.5    4    3.80     0.0   66    61           61    -5
5    Sheets And Goggles   3    58.0    5    4.00     9.0   63    42           53    -10
6    Sahara Dawn          4    53.5    6    5.40     7.0   53    36           43    -10
7    Sail The Sky         4    61.0    7    9.20     7.0   68    51           58    -10
8    Si Veloce            4    52.5    8    11.10    7.0   51    34           41    -10
9    Libeccio             5    59.0    9    11.70    0.0   64    61           61    -3
99   Sunshine Day         4    61.5    99   0.00     7.0   -     52           52    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Can't Catch Me 56 58 56 +2 0.0 -
2 Together Again Line 53 55 53 +2 0.0
3 Stroke Of Mercy 56 52 56 -4 0.0 -
4 Zoombomber 66 60 61 -1 0.0 -
5 Sheets And Goggles 63 63 53 +10 9.0 -
6 Sahara Dawn 53 52 43 +9 7.0 -
7 Sail The Sky 68 62 58 +4 7.0 -
8 Si Veloce 51 50 41 +9 7.0 -
9 Libeccio 64 62 61 +1 0.0 -
99 Sunshine Day - 69 52 +17 7.0 -
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