Official NHA Assessment

Race 8: CLASSIC DAY 5 MARCH PINNACLE STAKES (For all horses)

Back to Race
Line Horse
Second Base
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
6 / 9
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Reunion              4    52.0    1    0.00     2.5   99    101          101   +2
2    Second Base          4    58.0    2    1.80     2.5   116   116          116   +0
3    Youcanthurrylove     5    56.0    3    5.55     0.0   110   114          114   +4
3    ExpressFromTheUS     5    53.5    3    5.55     0.0   108   109          109   +1
5    Golden Pheasant      7    58.0    5    7.05     0.0   112   118          118   +6
6    Imperial Ruby        5    54.5    6    7.30     0.0   106   111          111   +5
7    Shango               5    56.0    7    9.00     0.0   111   114          114   +3
8    Majestic Mozart      6    57.5    8    9.20     0.0   117   117          117   +0
9    Zillzaal             6    58.0    9    14.00    0.0   113   118          118   +5
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Reunion 99 100 101 -1 2.5 -
2 Second Base Line 116 99 116 -17 2.5
3 Youcanthurrylove 110 86 114 -28 0.0 -
3 ExpressFromTheUS 108 98 109 -11 0.0 -
5 Golden Pheasant 112 113 118 -5 0.0 -
6 Imperial Ruby 106 105 111 -6 0.0 -
7 Shango 111 105 114 -9 0.0 -
8 Majestic Mozart 117 112 117 -5 0.0 -
9 Zillzaal 113 112 118 -6 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