Official NHA Assessment

Race 7: WORLD SPORTS BETTING BET WITH THE BEST CLASS 4 (Open. Benchmark at 60.0kg = 78)

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Line Horse
Bluff On Bluff
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
0 / 12
Within 2 points
Significant Diffs
9 / 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    Captain Arrow        2    59.0    1    0.00     6.5   89    82           82    -7
2    Bluff On Bluff       3    59.5    2    0.75     9.5   77    77           77    +0
3    Future Variety       4    61.5    3    1.05     11.0  94    78           84    -10
4    Elusive Trader       6    58.5    4    1.55     0.0   75    94           94    +19
5    Wylie Jack           6    52.5    5    2.55     0.0   60    82           82    +22
6    Teflon Man           4    59.5    6    2.65     11.0  90    74           80    -10
7    Jewel Cat            2    59.5    7    3.90     6.5   90    83           83    -7
8    Rock On Tommy        3    52.0    8    3.95     9.5   52    62           62    +10
9    Cityscape            2    54.5    9    4.95     6.5   67    73           73    +6
10   Final Move           3    53.0    10   5.70     9.5   64    64           64    +0
11   Ravensthorpe         3    61.0    11   7.20     9.5   80    80           80    +0
99   Tough Terrain        5    58.5    99   0.00     0.0   -     94           94    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Captain Arrow 89 101 82 +19 6.5 -
2 Bluff On Bluff Line 77 80 77 +3 9.5
3 Future Variety 94 116 84 +32 11.0 -
4 Elusive Trader 75 72 94 -22 0.0 -
5 Wylie Jack 60 61 82 -21 0.0 -
6 Teflon Man 90 106 80 +26 11.0 -
7 Jewel Cat 90 91 83 +8 6.5 -
8 Rock On Tommy 52 50 62 -12 9.5 -
9 Cityscape 67 70 73 -3 6.5 -
10 Final Move 64 50 64 -14 9.5 -
11 Ravensthorpe 80 75 80 -5 9.5 -
99 Tough Terrain - 81 94 -13 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