Official NHA Assessment

Race 9: NEXT TURFFONTEIN RACEMEETING THURSDAY 19 FEBRUARY MR 74 HANDICAP (Open)

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Line Horse
Royal Horizon
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
6 / 14
Within 2 points
Significant Diffs
3 / 14
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    Captain Selvie       2    61.0    1    0.00     3.0   82    79           82    +0
2    Can You Danse        3    59.0    2    0.20     4.5   72    72           72    +0
3    Royal Horizon        3    57.0    3    0.60     4.5   68    68           68    +0
4    Ready Set Fire       2    59.0    4    1.60     3.0   72    75           75    +3
4    One Tiger            2    60.5    4    1.60     3.0   81    78           78    -3
6    Palace Revolt        2    57.0    6    2.20     3.0   68    71           71    +3
7    Sunset Warrior       2    57.5    7    3.20     3.0   75    72           72    -3
8    Sergeant Soqrat      2    58.5    8    6.90     3.0   77    74           74    -3
9    Legendary            2    57.0    9    8.50     3.0   71    71           71    +0
10   Space Mission        2    58.0    10   8.75     3.0   76    73           73    -3
11   Longsword            2    60.0    11   11.00    3.0   74    77           77    +3
12   Mariachi Madness     2    52.5    12   12.40    3.0   59    62           62    +3
13   Prized Platinum      3    58.0    13   16.40    4.5   73    70           70    -3
99   Spy Story            3    57.5    99   0.00     4.5   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Captain Selvie 82 93 82 +11 3.0 -
2 Can You Danse 72 73 72 +1 4.5 -
3 Royal Horizon Line 68 68 68 ✓ Match 4.5
4 Ready Set Fire 72 69 75 -6 3.0 -
4 One Tiger 81 80 78 +2 3.0 -
6 Palace Revolt 68 64 71 -7 3.0 -
7 Sunset Warrior 75 76 72 +4 3.0 -
8 Sergeant Soqrat 77 71 74 -3 3.0 -
9 Legendary 71 69 71 -2 3.0 -
10 Space Mission 76 75 73 +2 3.0 -
11 Longsword 74 72 77 -5 3.0 -
12 Mariachi Madness 59 57 62 -5 3.0 -
13 Prized Platinum 73 72 70 +2 4.5 -
99 Spy Story - 66 69 -3 4.5 -
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