Official NHA Assessment

Race 4: RACING 240 JET MASTER STAKES (Listed) (For all Horses)

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Line Horse
My Bestie
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
4 / 12
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    Silver Operator      5    60.0    1    0.00     0.0   119   111          111   -8
2    My Bestie            7    51.0    2    0.30     0.0   98    98           98    +0
3    Warrior              4    57.0    3    0.70     2.0   108   106          106   -2
4    Cat Daddy            6    54.0    4    1.20     0.0   101   103          103   +2
5    Super Silvano        5    57.0    5    1.95     0.0   107   108          108   +1
6    Red Lark             4    51.0    6    2.45     2.0   90    91           91    +1
7    Seventh Gear         5    54.0    7    2.50     0.0   102   101          101   -1
8    FireAlley            7    57.0    8    3.75     0.0   109   106          106   -3
9    Nexus                6    60.0    9    4.25     0.0   113   112          112   -1
10   Rockin' Ringo        6    54.0    10   9.50     0.0   102   99           99    -3
11   Sachdev              5    57.0    11   9.60     0.0   107   105          105   -2
12   Azores               5    54.0    12   10.60    0.0   101   99           99    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Silver Operator 119 115 111 +4 0.0 -
2 My Bestie Line 98 61 98 -37 0.0
3 Warrior 108 113 106 +7 2.0 -
4 Cat Daddy 101 98 103 -5 0.0 -
5 Super Silvano 107 103 108 -5 0.0 -
6 Red Lark 90 88 91 -3 2.0 -
7 Seventh Gear 102 99 101 -2 0.0 -
8 FireAlley 109 107 106 +1 0.0 -
9 Nexus 113 122 112 +10 0.0 -
10 Rockin' Ringo 102 107 99 +8 0.0 -
11 Sachdev 107 101 105 -4 0.0 -
12 Azores 101 100 99 +1 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