Official NHA Assessment

Race 5: BETWAY BOOST GRADUATION PLATE (For 1 & 2 Time Winners & Maidens)

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Line Horse
I Am Giant
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
8 / 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    I Am Giant           2    60.0    1    0.00     6.5   98    98           98    +0
2    Unzen                3    60.0    2    0.20     9.5   108   92           98    -10
3    Red Bomber           2    58.0    3    1.40     6.5   98    94           94    -4
4    Mount Pilatus        4    55.0    4    5.00     11.0  99    79           89    -10
5    Try Me               4    52.0    5    8.25     11.0  83    73           73    -10
6    Bom Bom              4    53.5    6    10.75    11.0  85    76           76    -9
7    Circle Of Grace      4    55.0    7    11.65    11.0  87    79           79    -8
8    Lizado               3    54.0    8    36.75    9.5   42    80           80    +38
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 I Am Giant Line 98 124 98 +26 6.5
2 Unzen 108 116 98 +18 9.5 -
3 Red Bomber 98 86 94 -8 6.5 -
4 Mount Pilatus 99 113 89 +24 11.0 -
5 Try Me 83 52 73 -21 11.0 -
6 Bom Bom 85 64 76 -12 11.0 -
7 Circle Of Grace 87 51 79 -28 11.0 -
8 Lizado 42 42 80 -38 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