Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION CONDITIONS PLATE (For 2 and more time winners)

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Line Horse
Naarah
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 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    Godswood             4    58.0    1    0.00     12.0  104   106          106   +2
2    Naarah               3    53.5    2    0.75     10.5  100   100          100   +0
3    Bold Ransom          5    61.0    3    1.75     0.0   110   136          136   +26
4    Winter Stories       4    54.5    4    2.25     12.0  114   99           104   -10
5    Mind Reader          5    56.5    5    2.50     0.0   101   127          127   +26
6    Bard Of Avon         3    52.0    6    3.00     10.5  102   97           97    -5
7    Invidia              5    55.0    7    3.75     0.0   106   124          124   +18
8    Kwite A Trip         4    58.0    8    3.85     12.0  99    106          106   +7
9    Bella Chica          3    54.0    9    4.25     10.5  104   101          101   -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Godswood 104 106 106 ✓ Match 12.0 -
2 Naarah Line 100 87 100 -13 10.5
3 Bold Ransom 110 110 136 -26 0.0 -
4 Winter Stories 114 95 104 -9 12.0 -
5 Mind Reader 101 100 127 -27 0.0 -
6 Bard Of Avon 102 105 97 +8 10.5 -
7 Invidia 106 105 124 -19 0.0 -
8 Kwite A Trip 99 93 106 -13 12.0 -
9 Bella Chica 104 106 101 +5 10.5 -
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