Official NHA Assessment

Race 4: BETWAY PINNACLE STAKES (Open)

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Line Horse
Mardi Gras
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
7 / 10
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    Mk's Pride           4    60.0    1    0.00     2.5   120   111          111   -9
2    Zillzaal             6    58.0    2    3.25     0.0   113   114          114   +1
3    Mardi Gras           7    54.5    3    4.00     0.0   106   106          106   +0
4    War Of Athena        4    59.0    4    5.25     2.5   122   109          112   -10
5    Sentbydestiny        4    51.0    5    5.35     2.5   105   93           95    -10
6    Vars Vicky           4    58.0    6    5.65     2.5   112   107          107   -5
7    Youcanthurrylove     5    56.0    7    5.95     0.0   110   108          108   -2
8    Forever Mine         4    54.5    8    6.05     2.5   106   100          100   -6
9    Ikigai               8    56.0    9    7.30     0.0   110   108          108   -2
10   Cirillo              6    60.0    10   7.40     0.0   120   116          116   -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mk's Pride 120 116 111 +5 2.5 -
2 Zillzaal 113 112 114 -2 0.0 -
3 Mardi Gras Line 106 83 106 -23 0.0
4 War Of Athena 122 122 112 +10 2.5 -
5 Sentbydestiny 105 103 95 +8 2.5 -
6 Vars Vicky 112 116 107 +9 2.5 -
7 Youcanthurrylove 110 86 108 -22 0.0 -
8 Forever Mine 106 105 100 +5 2.5 -
9 Ikigai 110 91 108 -17 0.0 -
10 Cirillo 120 98 116 -18 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