Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION MR 72 HANDICAP (Open)

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Line Horse
Soweto Rose
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
5 / 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    Razor Red            3    54.5    1    0.00     6.0   61    61           61    +0
2    Duke Of Orange       3    59.5    2    0.10     6.0   71    71           71    +0
3    Soweto Rose          3    59.0    3    2.35     6.0   70    70           70    +0
4    Sanctity             4    55.5    4    2.45     7.0   63    61           61    -2
5    Travel Master        4    56.5    5    2.50     7.0   65    63           63    -2
6    El Romiachi          8    61.0    6    2.55     0.0   74    86           86    +12
7    Tuk Tuk              3    57.0    7    4.05     6.0   66    66           66    +0
8    Russian Empire       5    57.5    8    5.05     0.0   75    79           79    +4
9    Lord Tennyson        2    56.0    9    7.30     4.0   72    68           68    -4
10   Absolu Noir          8    57.5    10   9.55     0.0   67    79           79    +12
11   Raisetheredlantern   4    55.0    11   10.80    7.0   62    60           60    -2
99   Born A Star          3    56.0    99   0.00     6.0   -     64           64    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Razor Red 61 63 61 +2 6.0 -
2 Duke Of Orange 71 53 71 -18 6.0 -
3 Soweto Rose Line 70 59 70 -11 6.0
4 Sanctity 63 61 61 ✓ Match 7.0 -
5 Travel Master 65 65 63 +2 7.0 -
6 El Romiachi 74 77 86 -9 0.0 -
7 Tuk Tuk 66 61 66 -5 6.0 -
8 Russian Empire 75 53 79 -26 0.0 -
9 Lord Tennyson 72 69 68 +1 4.0 -
10 Absolu Noir 67 50 79 -29 0.0 -
11 Raisetheredlantern 62 64 60 +4 7.0 -
99 Born A Star - 64 64 ✓ Match 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