Official NHA Assessment

Race 3: RACING TODAY GRADUATION PLATE (F & M) (Maidens,1 & 2 time winners (F & M))

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Line Horse
Montelena
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 8
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    Gimme's Lassie       5    60.0    1    0.00     0.0   99    97           70    -29
2    Catch Your Breath    4    60.0    2    0.75     5.0   73    91           91    +18
3    Montelena            4    60.0    3    1.25     5.0   91    91           91    +0
4    Back For More        4    60.0    4    1.35     5.0   87    90           90    +3
5    Ellorix              4    60.0    5    2.10     5.0   79    90           90    +11
6    Idita                4    56.5    6    6.10     5.0   89    80           80    -9
7    Summer Odyssey       2    58.5    7    7.35     0.0   90    94           94    +4
99   White Hills          2    55.0    99   0.00     0.0   -     87           87    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Gimme's Lassie 99 101 70 +31 0.0 -
2 Catch Your Breath 73 94 91 +3 5.0 -
3 Montelena Line 91 90 91 -1 5.0
4 Back For More 87 75 90 -15 5.0 -
5 Ellorix 79 100 90 +10 5.0 -
6 Idita 89 79 80 -1 5.0 -
7 Summer Odyssey 90 84 94 -10 0.0 -
99 White Hills - 66 87 -21 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