Official NHA Assessment

Race 9: NEXT TURFFONTEIN RACEMEETING SATURDAY 3 AUGUST MR 80 HANDICAP (Open)

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Line Horse
Celtic Rush
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
6 / 11
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    Laughing William     5    55.0    1    0.00     0.0   70    68           70    +0
2    Majestic Touch       2    52.5    2    1.25     0.0   65    67           67    +2
3    Celtic Rush          5    59.0    3    2.50     0.0   78    78           78    +0
4    Guardia Regine       3    54.5    4    2.75     1.0   71    67           67    -4
5    Claw                 4    60.0    5    3.00     0.5   82    79           79    -3
6    Circle Of Grace      4    56.5    6    3.60     0.5   80    71           71    -9
7    Eiger Sanction       3    52.5    7    5.00     1.0   67    61           61    -6
8    Willow Express       7    58.0    8    5.50     0.0   76    74           74    -2
9    Leao Alado           2    58.0    9    6.75     0.0   78    74           74    -4
10   Crimson Forest       3    56.5    10   10.00    1.0   75    69           69    -6
99   Shinto Shrine        2    54.0    99   0.00     0.0   -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Laughing William 70 75 70 +5 0.0 -
2 Majestic Touch 65 68 67 +1 0.0 -
3 Celtic Rush Line 78 69 78 -9 0.0
4 Guardia Regine 71 67 67 ✓ Match 1.0 -
5 Claw 82 91 79 +12 0.5 -
6 Circle Of Grace 80 51 71 -20 0.5 -
7 Eiger Sanction 67 79 61 +18 1.0 -
8 Willow Express 76 82 74 +8 0.0 -
9 Leao Alado 78 77 74 +3 0.0 -
10 Crimson Forest 75 71 69 +2 1.0 -
99 Shinto Shrine - 80 66 +14 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