Official NHA Assessment

Race 6: 4RACING.TV MR 84 HANDICAP (Open)

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Line Horse
Call Me Master
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 9
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    Zuzan                3    54.5    1    0.00     4.5   73    61           73    +0
2    Climate Control      2    55.5    2    1.10     0.0   84    76           76    -8
3    Call Me Master       8    55.5    3    1.30     0.0   75    75           75    +0
4    Home Of The Brave    2    56.5    4    1.50     0.0   86    77           77    -9
5    Breeze Over          5    54.0    5    7.00     0.0   81    69           71    -10
6    Celestial City       4    57.5    6    7.50     2.0   79    72           72    -7
7    Twin Turbo           4    55.0    7    7.75     2.0   79    67           69    -10
8    Motown Magic         3    60.0    8    17.25    4.5   84    72           74    -10
9    Toffas               3    57.5    9    29.50    4.5   79    67           69    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zuzan 73 98 73 +25 4.5 -
2 Climate Control 84 65 76 -11 0.0 -
3 Call Me Master Line 75 65 75 -10 0.0
4 Home Of The Brave 86 97 77 +20 0.0 -
5 Breeze Over 81 99 71 +28 0.0 -
6 Celestial City 79 92 72 +20 2.0 -
7 Twin Turbo 79 88 69 +19 2.0 -
8 Motown Magic 84 75 74 +1 4.5 -
9 Toffas 79 74 69 +5 4.5 -
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