Official NHA Assessment

Race 2: HOLY LAND GRADUATION PLATE (Maidens,1 & 2 time winners)

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Line Horse
Tom's Diner
Reference for assessment
Exact Matches
0 / 4
Calculated = Official
Close Matches
0 / 4
Within 2 points
Significant Diffs
4 / 4
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    Tom's Diner          4    60.0    1    0.00     6.0   71    71           71    +0
2    Force Eight          3    60.0    2    4.00     5.0   93    73           83    -10
3    Prince Of Denmark    4    60.0    3    13.00    6.0   55    71           71    +16
99   Hemlock              2    60.0    99   0.00     3.5   -     76           76    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tom's Diner Line 71 94 71 +23 6.0
2 Force Eight 93 77 83 -6 5.0 -
3 Prince Of Denmark 55 51 71 -20 6.0 -
99 Hemlock - 59 76 -17 3.5 -
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