Official NHA Assessment

Race 5: BETWAY SUMMER CUP 29 NOVEMBER PINNACLE STAKES (For all horses)

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Line Horse
Navajo Nation
Reference for assessment
Exact Matches
3 / 10
Calculated = Official
Close Matches
5 / 10
Within 2 points
Significant Diffs
5 / 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    Pressonregardless    4    52.0    1    0.00     5.0   98    100          100   +2
2    Taegan's Champ       3    56.0    2    5.10     8.0   106   102          102   -4
3    Navajo Nation        4    54.0    3    5.90     5.0   104   104          104   +0
4    Lady Fallon          4    52.0    4    7.10     5.0   102   100          100   -2
5    Potberrie            2    54.0    5    9.40     0.0   105   114          114   +9
6    Solar Sail           3    60.0    6    11.30    8.0   115   110          110   -5
7    King's Express       3    51.5    7    11.70    8.0   102   93           93    -9
8    Marauding Horde      4    58.0    8    14.00    5.0   112   112          112   +0
9    Greeting My Master   2    58.0    9    14.25    0.0   110   122          122   +12
99   Count Huhtikuu       3    52.0    99   0.00     8.0   -     94           94    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pressonregardless 98 109 100 +9 5.0 -
2 Taegan's Champ 106 103 102 +1 8.0 -
3 Navajo Nation Line 104 104 104 ✓ Match 5.0
4 Lady Fallon 102 100 100 ✓ Match 5.0 -
5 Potberrie 105 105 114 -9 0.0 -
6 Solar Sail 115 109 110 -1 8.0 -
7 King's Express 102 102 93 +9 8.0 -
8 Marauding Horde 112 112 112 ✓ Match 5.0 -
9 Greeting My Master 110 110 122 -12 0.0 -
99 Count Huhtikuu - 101 94 +7 8.0 -
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