Official NHA Assessment

Race 6: FRIENDLY CITY STAKES (Open (Non-Black Type))

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Line Horse
Official Secret
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
4 / 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    Mount Anderson       8    57.0    1    0.00     0.0   96    103          102   +6
2    Official Secret      6    56.0    2    0.10     0.0   101   101          101   +0
3    FireAlley            7    58.5    3    2.10     0.0   101   109          109   +8
4    Joy And Peace        4    57.5    4    2.15     6.0   110   95           100   -10
5    Pacaya               3    60.0    5    2.25     9.5   118   93           108   -10
6    Street Art           3    60.0    6    3.25     9.5   105   92           95    -10
7    Fairy Knight         4    60.0    7    5.50     6.0   106   97           97    -9
8    Brenden James        6    56.0    8    6.75     0.0   91    101          101   +10
9    Bush Tracker         6    60.0    9    8.50     0.0   105   109          109   +4
10   Cherry Ano           5    60.0    10   9.75     0.0   111   109          109   -2
11   Zatara Magic         5    60.0    11   11.00    0.0   107   109          109   +2
99   Pyromaniac           6    57.0    99   0.00     0.0   -     103          103   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mount Anderson 96 102 102 ✓ Match 0.0 -
2 Official Secret Line 101 103 101 +2 0.0
3 FireAlley 101 107 109 -2 0.0 -
4 Joy And Peace 110 110 100 +10 6.0 -
5 Pacaya 118 115 108 +7 9.5 -
6 Street Art 105 78 95 -17 9.5 -
7 Fairy Knight 106 118 97 +21 6.0 -
8 Brenden James 91 98 101 -3 0.0 -
9 Bush Tracker 105 100 109 -9 0.0 -
10 Cherry Ano 111 108 109 -1 0.0 -
11 Zatara Magic 107 114 109 +5 0.0 -
99 Pyromaniac - 71 103 -32 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