Official NHA Assessment

Race 7: OFF THE RAILS MR 68 HANDICAP (Open)

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Line Horse
Quest For The Best
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 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    Count Marsh          7    55.0    1    0.00     0.0   58    62           58    +0
2    Father's Frost       7    57.5    2    1.10     0.0   71    67           67    -4
3    Quest For The Best   4    53.5    3    1.70     2.0   55    55           55    +0
4    Protea Pride         4    53.5    4    2.20     2.0   54    55           55    +1
5    Grey Ocean           4    58.0    5    3.30     2.0   64    64           64    +0
6    Northern Warrior     7    54.5    6    3.90     0.0   65    61           61    -4
7    Giambattista         3    56.5    7    4.30     1.5   62    62           62    +0
8    Dispicable           6    56.0    8    4.55     0.0   60    64           64    +4
9    Double Martini       4    59.0    9    5.35     2.0   66    66           66    +0
10   High Legislation     3    59.5    10   12.35    1.5   68    68           68    +0
99   Mount Greylock       4    60.5    99   0.00     2.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Count Marsh 58 52 58 -6 0.0 -
2 Father's Frost 71 62 67 -5 0.0 -
3 Quest For The Best Line 55 76 55 +21 2.0
4 Protea Pride 54 54 55 -1 2.0 -
5 Grey Ocean 64 61 64 -3 2.0 -
6 Northern Warrior 65 73 61 +12 0.0 -
7 Giambattista 62 87 62 +25 1.5 -
8 Dispicable 60 56 64 -8 0.0 -
9 Double Martini 66 74 66 +8 2.0 -
10 High Legislation 68 58 68 -10 1.5 -
99 Mount Greylock - 71 69 +2 2.0 -
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