Official NHA Assessment

Race 4: BETWAY PINNACLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Miss Hannigan
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
3 / 7
Within 2 points
Significant Diffs
2 / 7
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 A Shot         2    60.0    1    0.00     0.0   107   113          113   +6
2    Miss Hannigan        4    56.0    2    1.25     6.0   97    97           97    +0
3    Betula               2    54.0    3    1.75     0.0   95    104          104   +9
4    Callmewhenuneedme    4    56.0    4    2.50     6.0   98    95           95    -3
5    Soldier's Eye        4    56.0    5    2.75     6.0   98    95           95    -3
99   Wings Within Me      4    54.0    99   0.00     6.0   -     89           89    +0
99   Chrome Tourmaline    4    56.0    99   0.00     6.0   -     93           93    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Gimme A Shot 107 110 113 -3 0.0 -
2 Miss Hannigan Line 97 100 97 +3 6.0
3 Betula 95 94 104 -10 0.0 -
4 Callmewhenuneedme 98 97 95 +2 6.0 -
5 Soldier's Eye 98 94 95 -1 6.0 -
99 Wings Within Me - 88 89 -1 6.0 -
99 Chrome Tourmaline - 107 93 +14 6.0 -
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