Official NHA Assessment

Race 8: PLAY SOCCER 6, 10 AND 13 MR 82 HANDICAP (Open)

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Line Horse
Mhlabeni
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
5 / 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    Perfection           3    57.5    1    0.00     2.5   83    72           83    +0
2    Mhlabeni             7    62.0    2    2.00     0.0   89    89           89    +0
3    Twice To Heaven      3    60.0    3    4.25     2.5   82    78           78    -4
4    Waiting For Summer   3    59.5    4    4.50     2.5   81    76           76    -5
5    Pam's Princess       3    60.0    5    5.50     2.5   82    77           77    -5
6    El Romiachi          8    54.0    6    6.75     0.0   70    70           70    +0
7    Duke Of Orange       3    56.0    7    6.85     2.5   74    69           69    -5
8    Atkinson Grimshaw    4    58.0    8    7.85     1.5   78    75           75    -3
99   Secret Is Ours       4    57.5    99   0.00     1.5   -     74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Perfection 83 103 83 +20 2.5 -
2 Mhlabeni Line 89 90 89 +1 0.0
3 Twice To Heaven 82 72 78 -6 2.5 -
4 Waiting For Summer 81 79 76 +3 2.5 -
5 Pam's Princess 82 82 77 +5 2.5 -
6 El Romiachi 70 77 70 +7 0.0 -
7 Duke Of Orange 74 53 69 -16 2.5 -
8 Atkinson Grimshaw 78 75 75 ✓ Match 1.5 -
99 Secret Is Ours - 66 74 -8 1.5 -
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