Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 5 MARCH FM 68 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Angel's Oasis
Reference for assessment
Exact Matches
3 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
5 / 12
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    Blindfire            2    56.5    1    0.00     3.0   75    64           75    +0
2    Angel's Oasis        3    58.0    2    1.40     4.5   64    64           64    +0
3    Taking A Risk        2    59.5    3    2.60     3.0   73    70           70    -3
4    Lilac Snow           2    57.0    4    3.40     3.0   62    65           65    +3
5    Oriental Bouquet     4    53.5    5    5.10     5.0   55    54           54    -1
6    In The Ether         6    58.0    6    7.60     0.0   64    73           73    +9
7    Varachino's Champ    3    60.5    7    7.85     4.5   75    69           69    -6
8    Time For Charity     5    57.5    8    9.25     0.0   63    72           72    +9
9    Magic Carpet Ride    3    62.0    9    11.25    4.5   72    72           72    +0
10   Queen's Pact         2    58.5    10   11.75    3.0   71    68           68    -3
11   Blup Blup            2    58.5    11   12.85    3.0   70    68           68    -2
12   Red Hot Kisses       2    58.0    12   13.85    3.0   70    67           67    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blindfire 75 81 75 +6 3.0 -
2 Angel's Oasis Line 64 64 64 ✓ Match 4.5
3 Taking A Risk 73 70 70 ✓ Match 3.0 -
4 Lilac Snow 62 60 65 -5 3.0 -
5 Oriental Bouquet 55 56 54 +2 5.0 -
6 In The Ether 64 63 73 -10 0.0 -
7 Varachino's Champ 75 75 69 +6 4.5 -
8 Time For Charity 63 61 72 -11 0.0 -
9 Magic Carpet Ride 72 64 72 -8 4.5 -
10 Queen's Pact 71 69 68 +1 3.0 -
11 Blup Blup 70 68 68 ✓ Match 3.0 -
12 Red Hot Kisses 70 62 67 -5 3.0 -
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