Official NHA Assessment

Race 5: WSB SPIN WITH THE BEST PINNACLE STAKES (For all horses)

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Line Horse
Bush Tracker
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
6 / 12
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    Golden Peace         2    61.0    1    0.00     0.0   98    98           98    +0
2    Global Ally          6    61.0    2    1.25     0.0   96    102          102   +6
3    Zinovi               2    62.0    3    1.35     0.0   112   103          103   -9
4    Bush Tracker         6    62.0    4    2.60     0.0   102   102          102   +0
5    Dowser               5    58.0    5    3.85     0.0   88    93           93    +5
6    Laguna Verde         5    58.0    6    3.90     0.0   88    93           93    +5
7    Makhachev            2    56.5    7    4.15     0.0   82    90           90    +8
8    Electric Gold        5    62.0    8    4.90     0.0   104   100          100   -4
9    Mhlabeni             7    58.0    9    7.15     0.0   90    92           92    +2
10   Luna Halo            4    59.0    10   9.40     0.5   108   93           98    -10
11   Destiny's Angel      3    59.5    11   14.15    2.0   92    91           91    -1
12   Cheeky Laddie        5    58.0    12   18.40    0.0   86    92           92    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Golden Peace 98 105 98 +7 0.0 -
2 Global Ally 96 97 102 -5 0.0 -
3 Zinovi 112 120 103 +17 0.0 -
4 Bush Tracker Line 102 100 102 -2 0.0
5 Dowser 88 84 93 -9 0.0 -
6 Laguna Verde 88 86 93 -7 0.0 -
7 Makhachev 82 81 90 -9 0.0 -
8 Electric Gold 104 96 100 -4 0.0 -
9 Mhlabeni 90 90 92 -2 0.0 -
10 Luna Halo 108 106 98 +8 0.5 -
11 Destiny's Angel 92 92 91 +1 2.0 -
12 Cheeky Laddie 86 87 92 -5 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