Official NHA Assessment

Race 4: RACING240 MIDDLE STAKES (For horses with nett rating of 92 and below)

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Line Horse
Roll Of The Dice
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 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    Home Reef            3    56.0    1    0.00     9.5   81    75           75    -6
2    Lotus Island         2    56.5    2    0.25     0.0   94    95           95    +1
3    Roll Of The Dice     3    56.0    3    0.50     9.5   82    82           82    +0
4    Master Forester      3    60.0    4    1.75     9.5   90    88           88    -2
5    Waz Wouter           4    58.0    5    2.50     6.0   86    90           90    +4
6    Few Dollars More     2    60.0    6    3.25     0.0   89    105          105   +16
7    Heemstede            3    58.0    7    3.50     9.5   87    82           82    -5
8    George Handel        4    54.0    8    4.75     6.0   83    78           78    -5
9    Vihaan's Queen       4    56.5    9    5.00     6.0   88    83           83    -5
10   Downing Seven        5    53.5    10   6.50     0.0   80    89           89    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Home Reef 81 87 75 +12 9.5 -
2 Lotus Island 94 93 95 -2 0.0 -
3 Roll Of The Dice Line 82 81 82 -1 9.5
4 Master Forester 90 90 88 +2 9.5 -
5 Waz Wouter 86 84 90 -6 6.0 -
6 Few Dollars More 89 84 105 -21 0.0 -
7 Heemstede 87 89 82 +7 9.5 -
8 George Handel 83 85 78 +7 6.0 -
9 Vihaan's Queen 88 89 83 +6 6.0 -
10 Downing Seven 80 69 89 -20 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