Official NHA Assessment

Race 6: PLAY SOCCER 6, 10 AND 13 MR 84 HANDICAP (Open)

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Line Horse
Total Protection
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
6 / 8
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    Top Sail             2    52.0    1    0.00     0.0   78    78           78    +0
2    Total Protection     2    61.0    2    4.75     0.0   96    96           96    +0
3    Elusive Swann        4    59.0    3    9.00     2.5   82    87           87    +5
4    Future Pearl         2    53.5    4    9.75     0.0   81    81           81    +0
5    Kentallen Bay        2    58.5    5    38.00    0.0   91    91           91    +0
99   Celestial City       4    55.0    99   0.00     2.5   -     79           79    +0
99   The Brief            3    58.0    99   0.00     5.0   -     80           80    +0
99   Great Affair         7    57.5    99   0.00     0.0   -     89           89    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Top Sail 78 85 78 +7 0.0 -
2 Total Protection Line 96 96 96 ✓ Match 0.0
3 Elusive Swann 82 72 87 -15 2.5 -
4 Future Pearl 81 114 81 +33 0.0 -
5 Kentallen Bay 91 90 91 -1 0.0 -
99 Celestial City - 92 79 +13 2.5 -
99 The Brief - 90 80 +10 5.0 -
99 Great Affair - 63 89 -26 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