Official NHA Assessment

Race 7: FAIRVIEW 1900 (Open - Non-Black Type)

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Line Horse
Jaeger Moon
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
3 / 13
Within 2 points
Significant Diffs
6 / 13
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    Grazinginthegrass    4    61.0    1    0.00     3.5   111   93           93    -18
2    Peace In Our World   6    56.5    2    0.75     0.0   96    97           97    +1
3    Zig Zag              5    52.0    3    1.00     0.0   80    88           88    +8
4    Jaeger Moon          7    59.5    4    1.10     0.0   103   103          103   +0
5    Divine Odyssey       7    61.0    5    1.35     0.0   112   105          105   -7
6    First Street         5    55.5    6    1.60     0.0   96    94           94    -2
7    Native Tongue        4    61.0    7    1.65     3.5   108   98           98    -10
8    Barak                5    56.5    8    2.90     0.0   91    94           94    +3
9    Marmara Sea          5    59.5    9    4.15     0.0   103   99           99    -4
10   Jacob's Ladder       4    55.0    10   5.40     3.5   86    81           81    -5
11   You Know Who         3    56.5    11   5.45     7.0   96    77           86    -10
12   Ideal Angel          5    55.5    12   6.70     0.0   96    89           89    -7
13   Never Ending Rain    3    58.0    13   6.95     7.0   101   80           91    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Grazinginthegrass 111 111 93 +18 3.5 -
2 Peace In Our World 96 89 97 -8 0.0 -
3 Zig Zag 80 87 88 -1 0.0 -
4 Jaeger Moon Line 103 97 103 -6 0.0
5 Divine Odyssey 112 107 105 +2 0.0 -
6 First Street 96 97 94 +3 0.0 -
7 Native Tongue 108 105 98 +7 3.5 -
8 Barak 91 97 94 +3 0.0 -
9 Marmara Sea 103 101 99 +2 0.0 -
10 Jacob's Ladder 86 73 81 -8 3.5 -
11 You Know Who 96 91 86 +5 7.0 -
12 Ideal Angel 96 94 89 +5 0.0 -
13 Never Ending Rain 101 101 91 +10 7.0 -
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