Official NHA Assessment

Race 6: WWW.TAB4RACING.COM MR 80 HANDICAP (Open)

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Line Horse
Siberian Steel
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
4 / 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    Esquevelle           3    63.5    1    0.00     7.5   87    87           87    +0
2    Fully Loaded         5    57.0    2    0.25     0.0   74    89           89    +15
3    Princeofgreen        2    59.0    3    0.60     5.0   88    83           83    -5
4    Siberian Steel       3    60.0    4    1.10     7.5   80    80           80    +0
5    Chocolate Bomb       2    61.5    5    3.00     5.0   93    88           88    -5
6    Kalahari Blue        2    57.5    6    3.20     5.0   75    80           80    +5
7    Copper John          4    56.0    7    5.75     9.0   82    69           72    -10
8    Super Agra           4    54.5    8    7.75     9.0   77    66           67    -10
9    Silent Trigger       6    55.5    9    8.00     0.0   74    86           86    +12
10   Pinch Hit            2    54.0    10   9.25     5.0   76    73           73    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Esquevelle 87 86 87 -1 7.5 -
2 Fully Loaded 74 94 89 +5 0.0 -
3 Princeofgreen 88 87 83 +4 5.0 -
4 Siberian Steel Line 80 80 80 ✓ Match 7.5
5 Chocolate Bomb 93 82 88 -6 5.0 -
6 Kalahari Blue 75 75 80 -5 5.0 -
7 Copper John 82 61 72 -11 9.0 -
8 Super Agra 77 60 67 -7 9.0 -
9 Silent Trigger 74 60 86 -26 0.0 -
10 Pinch Hit 76 74 73 +1 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