Official NHA Assessment

Race 4: WORLD POOL PINNACLE STAKES (Open to all horses)

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Line Horse
Warrior
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
5 / 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    Warrior              4    56.5    1    0.00     2.5   108   108          108   +0
2    Look For Hounds      4    53.5    2    0.40     2.5   98    107          107   +9
3    Good Traveller       6    53.5    3    0.80     0.0   106   111          111   +5
4    Speed Machine        4    56.5    4    1.00     2.5   110   112          112   +2
5    Russian Rock         4    61.0    5    1.50     2.5   119   120          120   +1
6    Silver Operator      5    61.0    6    3.25     0.0   119   124          124   +5
7    Bush Tracker         6    52.0    7    3.30     0.0   99    105          105   +6
8    Hyde Park            4    55.0    8    6.05     2.5   99    105          105   +6
99   Pinkerton            5    55.0    99   0.00     0.0   -     110          110   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Warrior Line 108 113 108 +5 2.5
2 Look For Hounds 98 104 107 -3 2.5 -
3 Good Traveller 106 108 111 -3 0.0 -
4 Speed Machine 110 104 112 -8 2.5 -
5 Russian Rock 119 105 120 -15 2.5 -
6 Silver Operator 119 115 124 -9 0.0 -
7 Bush Tracker 99 100 105 -5 0.0 -
8 Hyde Park 99 95 105 -10 2.5 -
99 Pinkerton - 99 110 -11 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