Official NHA Assessment

Race 5: TABGOLD SCORE 10 MR 80 HANDICAP (Open)

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Line Horse
Shot Of Courage
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 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    Mask On              3    55.5    1    0.00     7.5   71    78           71    +0
2    Cotton Ron           6    55.0    2    0.40     0.0   70    92           92    +22
3    Shot Of Courage      3    51.5    3    1.40     7.5   70    70           70    +0
4    Warrior Of Royalty   4    61.0    4    2.45     9.0   92    86           86    -6
5    B Fiftytwo           4    57.5    5    2.55     9.0   85    79           79    -6
6    Cavalieri            5    56.5    6    4.25     0.0   73    95           95    +22
7    Seattle Ripper       2    59.0    7    5.55     5.0   88    90           90    +2
8    Philispiel           7    57.5    8    5.95     0.0   78    97           97    +19
9    Qhawe Lami           4    59.5    9    6.35     9.0   97    83           87    -10
10   Chara Sands          3    59.0    10   8.65     7.5   78    85           85    +7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mask On 71 52 71 -19 7.5 -
2 Cotton Ron 70 59 92 -33 0.0 -
3 Shot Of Courage Line 70 73 70 +3 7.5
4 Warrior Of Royalty 92 76 86 -10 9.0 -
5 B Fiftytwo 85 68 79 -11 9.0 -
6 Cavalieri 73 73 95 -22 0.0 -
7 Seattle Ripper 88 59 90 -31 5.0 -
8 Philispiel 78 70 97 -27 0.0 -
9 Qhawe Lami 97 80 87 -7 9.0 -
10 Chara Sands 78 70 85 -15 7.5 -
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