Official NHA Assessment

Race 8: BETWAY GET WAY MORE PINNACLE STAKES (For all horses)

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Line Horse
Twin Turbo
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
4 / 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    River Romeo          2    50.0    1    0.00     0.0   99    99           99    +0
2    Puerto Manzano (ARG  4    62.0    2    2.25     6.0   123   116          116   -7
3    Trois Trois Quatre   5    50.0    3    3.25     0.0   87    102          102   +15
4    Twin Turbo           4    50.0    4    4.05     6.0   89    89           89    +0
5    Top Sail             2    50.0    5    4.75     0.0   96    99           99    +3
6    Flashy Apache        6    50.0    6    4.80     0.0   100   99           99    -1
7    Duke Of Sussex       4    52.0    7    7.75     6.0   103   91           93    -10
99   Zeus                 3    50.0    99   0.00     9.5   -     80           80    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 River Romeo 99 94 99 -5 0.0 -
2 Puerto Manzano (ARG) 123 119 116 +3 6.0 -
3 Trois Trois Quatre 87 87 102 -15 0.0 -
4 Twin Turbo Line 89 88 89 -1 6.0
5 Top Sail 96 85 99 -14 0.0 -
6 Flashy Apache 100 78 99 -21 0.0 -
7 Duke Of Sussex 103 96 93 +3 6.0 -
99 Zeus - 117 80 +37 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