Official NHA Assessment

Race 7: WINTER COUNTRY CHAMPIONSHIP 1400 FINAL (For horses with nett rating of 82 and below. Class 4. NBT)

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Line Horse
Mont Loisir
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
8 / 11
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    Das Gute             4    57.5    1    0.00     6.0   74    70           70    -4
2    Mont Loisir          4    60.5    2    1.25     6.0   80    80           80    +0
3    Kelp Forest          5    58.5    3    3.50     0.0   78    85           85    +7
4    Unicorn Alert        3    61.5    4    4.50     8.5   83    73           73    -10
5    Prevalence           3    61.5    5    4.90     8.5   80    73           73    -7
6    Ticket To Vegas      2    53.0    6    5.40     0.0   73    73           73    +0
7    Wugug                2    59.0    7    6.65     0.0   84    85           85    +1
8    King Of Spin         3    60.5    8    7.40     8.5   80    71           71    -9
9    Go Like Flo          5    59.0    9    8.15     0.0   82    85           85    +3
10   Kebonalesedi         5    54.5    10   8.55     0.0   70    76           76    +6
11   Prince Of Tibet      4    59.5    11   14.80    6.0   77    74           74    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Das Gute 74 77 70 +7 6.0 -
2 Mont Loisir Line 80 68 80 -12 6.0
3 Kelp Forest 78 81 85 -4 0.0 -
4 Unicorn Alert 83 61 73 -12 8.5 -
5 Prevalence 80 83 73 +10 8.5 -
6 Ticket To Vegas 73 68 73 -5 0.0 -
7 Wugug 84 76 85 -9 0.0 -
8 King Of Spin 80 91 71 +20 8.5 -
9 Go Like Flo 82 85 85 ✓ Match 0.0 -
10 Kebonalesedi 70 67 76 -9 0.0 -
11 Prince Of Tibet 77 63 74 -11 6.0 -
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