Official NHA Assessment

Race 6: PLAY SOCCER 6, 10 AND 13 PINNACLE STAKES (Open)

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Line Horse
Big Burn
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
10 / 11
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    Big Burn             3    51.5    1    0.00     5.0   115   115          115   +0
2    Gallic Chief         3    52.0    2    3.25     5.0   98    116          116   +18
3    Constable            5    52.0    3    4.50     0.0   98    126          126   +28
4    Vaseem               5    54.0    4    4.75     0.0   105   130          130   +25
5    Eden Roc             5    56.0    5    5.00     0.0   110   134          134   +24
6    Moonshiningthrough   3    47.5    6    5.25     5.0   101   107          107   +6
7    Godswood             4    53.5    7    6.25     6.0   107   117          117   +10
8    Vars Vicky           4    58.0    8    6.30     6.0   116   126          126   +10
99   Bohica               5    62.0    99   0.00     0.0   -     146          146   +0
99   Alesian Chief        3    62.0    99   0.00     5.0   -     136          136   +0
99   Master Archie        3    62.0    99   0.00     5.0   -     136          136   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Big Burn Line 115 115 115 ✓ Match 5.0
2 Gallic Chief 98 98 116 -18 5.0 -
3 Constable 98 95 126 -31 0.0 -
4 Vaseem 105 94 130 -36 0.0 -
5 Eden Roc 110 98 134 -36 0.0 -
6 Moonshiningthrough 101 96 107 -11 5.0 -
7 Godswood 107 106 117 -11 6.0 -
8 Vars Vicky 116 116 126 -10 6.0 -
99 Bohica - 125 146 -21 0.0 -
99 Alesian Chief - 123 136 -13 5.0 -
99 Master Archie - 128 136 -8 5.0 -
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