Official NHA Assessment

Race 4: FURIOUS ROOM NOW OPENED MR 80 HANDICAP (Open)

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Line Horse
Southern Blaze
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
7 / 10
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    Wolffs World         4    58.5    1    0.00     5.0   77    82           77    +0
2    Brenden James        6    56.5    2    1.50     0.0   74    91           91    +17
3    Southern Blaze       3    55.0    3    3.00     8.0   71    71           71    +0
4    Mcebisi              4    56.5    4    3.50     5.0   73    79           79    +6
5    Ballon D'or          5    55.0    5    5.75     0.0   78    85           85    +7
6    Ablaan               3    60.5    6    6.75     8.0   82    80           80    -2
7    Duke Of Rain         3    57.5    7    7.00     8.0   76    74           74    -2
8    Foreign Field        4    60.0    8    11.50    5.0   80    85           85    +5
9    Eagle Alley          4    55.0    9    13.00    5.0   70    75           75    +5
99   Captain Of Grit      3    59.0    99   0.00     8.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Wolffs World 77 79 77 +2 5.0 -
2 Brenden James 74 98 91 +7 0.0 -
3 Southern Blaze Line 71 89 71 +18 8.0
4 Mcebisi 73 70 79 -9 5.0 -
5 Ballon D'or 78 61 85 -24 0.0 -
6 Ablaan 82 75 80 -5 8.0 -
7 Duke Of Rain 76 70 74 -4 8.0 -
8 Foreign Field 80 73 85 -12 5.0 -
9 Eagle Alley 70 58 75 -17 5.0 -
99 Captain Of Grit - 84 77 +7 8.0 -
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