Official NHA Assessment

Race 6: www.trackandball.co.za MR 96 HANDICAP (Open)

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Line Horse
Mr Master Starter
Reference for assessment
Exact Matches
2 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
8 / 14
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    Priceless Ruler      6    55.5    1    0.00     0.0   95    87           95    +0
2    Tread Swiftly        4    61.0    2    0.25     0.5   98    97           97    -1
3    Mr Master Starter    6    57.0    3    1.85     0.0   93    93           93    +0
4    Desolate Road        6    53.0    4    1.95     0.0   87    85           85    -2
5    Bush Tracker         6    54.0    5    3.55     0.0   95    85           85    -10
6    Al's My Daddy        5    53.5    6    3.60     0.0   83    84           84    +1
7    Gavel Strike         4    53.5    7    3.80     0.5   83    83           83    +0
8    Spydas Corner        4    60.5    8    4.70     0.5   97    96           96    -1
9    Share Holder (AUS)   5    60.5    9    5.80     0.0   97    97           97    +0
10   Born To Perform      7    54.0    10   5.85     0.0   84    84           84    +0
11   Kuuma                3    55.5    11   6.35     1.0   90    85           85    -5
12   Chattertons Keeper   5    61.0    12   9.55     0.0   101   98           98    -3
99   Master Of Destiny    8    56.0    99   0.00     0.0   -     88           88    +0
99   Top Wesselton        3    53.0    99   0.00     1.0   -     80           80    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Priceless Ruler 95 99 95 +4 0.0 -
2 Tread Swiftly 98 90 97 -7 0.5 -
3 Mr Master Starter Line 93 97 93 +4 0.0
4 Desolate Road 87 82 85 -3 0.0 -
5 Bush Tracker 95 100 85 +15 0.0 -
6 Al's My Daddy 83 70 84 -14 0.0 -
7 Gavel Strike 83 71 83 -12 0.5 -
8 Spydas Corner 97 82 96 -14 0.5 -
9 Share Holder (AUS) 97 91 97 -6 0.0 -
10 Born To Perform 84 84 84 ✓ Match 0.0 -
11 Kuuma 90 86 85 +1 1.0 -
12 Chattertons Keeper 101 98 98 ✓ Match 0.0 -
99 Master Of Destiny - 73 88 -15 0.0 -
99 Top Wesselton - 68 80 -12 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