Official NHA Assessment

Race 7: GOLD CIRCLE RACING YOUTUBE CHANNEL MR 67 HANDICAP (Open)

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Line Horse
Grey Ocean
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
3 / 9
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    Brave Voyager        3    52.5    1    0.00     9.5   52    55           52    +0
2    We All Chomies       5    56.0    2    0.90     0.0   59    81           81    +22
3    Grey Ocean           4    58.5    3    3.60     11.0  64    64           64    +0
4    Mount Greylock       4    60.0    4    4.60     11.0  67    67           67    +0
5    Esquevelle           3    61.0    5    6.20     9.5   69    72           72    +3
6    High Velocity        4    52.5    6    6.70     11.0  52    52           52    +0
7    Woodstock Festival   6    55.0    7    8.90     0.0   65    79           79    +14
8    Let's Get Together   2    59.0    8    10.80    6.5   81    74           74    -7
99   Oh My Word Its Roy   3    48.0    99   0.00     9.5   -     46           46    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Brave Voyager 52 51 52 -1 9.5 -
2 We All Chomies 59 54 81 -27 0.0 -
3 Grey Ocean Line 64 61 64 -3 11.0
4 Mount Greylock 67 71 67 +4 11.0 -
5 Esquevelle 69 86 72 +14 9.5 -
6 High Velocity 52 50 52 -2 11.0 -
7 Woodstock Festival 65 57 79 -22 0.0 -
8 Let's Get Together 81 73 74 -1 6.5 -
99 Oh My Word Its Roy - 50 46 +4 9.5 -
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