Official NHA Assessment

Race 5: RACING240 PINNACLE STAKES (Open)

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Line Horse
Ready To Charge
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
3 / 9
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    Whistle The Tune     2    56.0    1    0.00     0.5   109   103          103   -6
2    Quantum Theory       5    57.5    2    0.75     0.0   108   107          107   -1
3    Chasing Happiness    3    60.0    3    2.75     1.5   115   109          109   -6
4    Ready To Charge      2    59.5    4    3.05     0.5   110   110          110   +0
5    Dreamland            4    53.5    5    3.35     2.0   108   95           98    -10
6    Chocolate Soldier    3    58.0    6    3.55     1.5   113   105          105   -8
7    We Are The Logans    2    53.5    7    7.05     0.5   90    98           98    +8
8    Taxi To The Moon     3    57.5    8    7.25     1.5   110   104          104   -6
9    Mover And Shaker     5    59.5    9    8.05     0.0   112   111          111   -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Whistle The Tune 109 116 103 +13 0.5 -
2 Quantum Theory 108 112 107 +5 0.0 -
3 Chasing Happiness 115 110 109 +1 1.5 -
4 Ready To Charge Line 110 110 110 ✓ Match 0.5
5 Dreamland 108 103 98 +5 2.0 -
6 Chocolate Soldier 113 108 105 +3 1.5 -
7 We Are The Logans 90 73 98 -25 0.5 -
8 Taxi To The Moon 110 119 104 +15 1.5 -
9 Mover And Shaker 112 109 111 -2 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