Official NHA Assessment

Race 4: PLAY SOCCER 6, 10 AND 13 MR 80 HANDICAP (Open)

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Line Horse
Jet Mirage
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
8 / 10
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    Vista Nova           4    62.0    1    0.00     10.0  84    81           84    +0
2    Cruzador             6    58.5    2    0.25     0.0   77    94           94    +17
3    Jet Mirage           3    58.5    3    0.30     8.5   77    77           77    +0
4    Duke Of Orange       3    57.0    4    0.40     8.5   74    74           74    +0
5    Al Qaasim            4    60.5    5    1.15     10.0  81    78           78    -3
6    Narcos               3    59.0    6    1.25     8.5   78    78           78    +0
7    Tuk Tuk              3    54.5    7    1.35     8.5   69    69           69    +0
8    Alingalonga          4    55.5    8    2.85     10.0  71    68           68    -3
9    Zig Zag              5    57.5    9    2.95     0.0   75    92           92    +17
10   Love Lies            5    56.5    10   99.99    0.0   73    90           90    +17
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Vista Nova 84 81 84 -3 10.0 -
2 Cruzador 77 61 94 -33 0.0 -
3 Jet Mirage Line 77 100 77 +23 8.5
4 Duke Of Orange 74 53 74 -21 8.5 -
5 Al Qaasim 81 91 78 +13 10.0 -
6 Narcos 78 86 78 +8 8.5 -
7 Tuk Tuk 69 61 69 -8 8.5 -
8 Alingalonga 71 82 68 +14 10.0 -
9 Zig Zag 75 87 92 -5 0.0 -
10 Love Lies 73 73 90 -17 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