Official NHA Assessment

Race 9: TENANGO (2025) MIDDLE STAKES (For All Horses)

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Line Horse
Green Gateway
Reference for assessment
Exact Matches
5 / 18
Calculated = Official
Close Matches
11 / 18
Within 2 points
Significant Diffs
2 / 18
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    Green Gateway        2    61.5    1    0.00     1.5   105   105          105   +0
2    Best Of All          3    51.5    2    0.40     2.5   88    83           83    -5
3    City Of Love         2    55.5    3    1.20     1.5   92    93           93    +1
4    Cavalry Commander    3    54.0    4    2.10     2.5   82    88           88    +6
5    Chapbook             2    62.0    5    2.50     1.5   106   106          106   +0
6    Magic Surprise       2    55.5    6    3.55     1.5   92    93           93    +1
7    Disting              2    57.5    7    4.05     1.5   96    97           97    +1
8    Dreamworld           2    60.0    8    4.85     1.5   100   102          102   +2
9    Banff                2    60.0    9    5.45     1.5   97    102          102   +5
10   Vibe Sa              2    58.5    10   6.50     1.5   92    99           99    +7
11   Red Mountain         4    48.5    11   6.75     0.0   77    82           82    +5
12   Saudi Cat (ARG)      2    58.5    12   7.15     1.5   94    99           99    +5
13   Golden Rule          3    61.5    13   8.95     2.5   99    103          103   +4
14   Cognac               3    58.5    14   9.15     2.5   96    97           97    +1
15   Etiquette            3    51.5    15   9.85     2.5   83    83           83    +0
16   Freedom Fighter      2    51.5    16   15.75    1.5   85    85           85    +0
99   Kaalvoet             2    62.0    99   0.00     1.5   106   106          106   +0
99   Soho Star            3    63.0    99   0.00     2.5   -     106          106   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Green Gateway Line 105 105 105 ✓ Match 1.5
2 Best Of All 88 88 83 +5 2.5 -
3 City Of Love 92 92 93 -1 1.5 -
4 Cavalry Commander 82 82 88 -6 2.5 -
5 Chapbook 106 106 106 ✓ Match 1.5 -
6 Magic Surprise 92 92 93 -1 1.5 -
7 Disting 96 96 97 -1 1.5 -
8 Dreamworld 100 100 102 -2 1.5 -
9 Banff 97 97 102 -5 1.5 -
10 Vibe Sa 92 92 99 -7 1.5 -
11 Red Mountain 77 77 82 -5 0.0 -
12 Saudi Cat (ARG) 94 94 99 -5 1.5 -
13 Golden Rule 99 99 103 -4 2.5 -
14 Cognac 96 96 97 -1 2.5 -
15 Etiquette 83 83 83 ✓ Match 2.5 -
16 Freedom Fighter 85 85 85 ✓ Match 1.5 -
99 Kaalvoet 106 106 106 ✓ Match 1.5 -
99 Soho Star - 105 106 -1 2.5 -
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