Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 6 JANUARY CLASSIFIED STAKES (For horses with nett rating of 71 and below)

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Line Horse
The Makwakkers
Reference for assessment
Exact Matches
1 / 15
Calculated = Official
Close Matches
8 / 15
Within 2 points
Significant Diffs
6 / 15
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    Midnight Gem         4    58.5    1    0.00     6.0   71    55           55    -16
2    Big City Girl        4    58.5    2    0.05     6.0   70    55           60    -10
3    The Makwakkers       6    58.0    3    2.00     0.0   66    66           66    +0
4    Java House           4    54.5    4    2.05     6.0   61    47           51    -10
5    Midnight Badger      5    60.0    5    2.10     0.0   70    70           70    +0
6    Tiger In The Sun     4    60.0    6    3.50     6.0   71    58           61    -10
7    Feather The Nest     4    56.5    7    4.00     6.0   64    51           54    -10
8    Readysetglo          6    54.5    8    4.25     0.0   63    59           59    -4
9    Urban Rock           5    56.0    9    4.30     0.0   63    62           62    -1
10   Fantasy Flower       4    52.5    10   5.00     6.0   65    43           55    -10
11   Edward Longshanks    3    58.0    11   5.25     5.0   74    56           64    -10
12   Twelve Oaks          7    56.5    12   5.75     0.0   65    63           63    -2
99   Tiki Taka            6    54.0    99   0.00     0.0   -     58           58    +0
99   Just As Rich         4    56.0    99   0.00     6.0   -     50           50    +0
99   Grindelwald          6    54.0    99   0.00     0.0   -     58           58    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Midnight Gem 71 81 55 +26 6.0 -
2 Big City Girl 70 59 60 -1 6.0 -
3 The Makwakkers Line 66 68 66 +2 0.0
4 Java House 61 52 51 +1 6.0 -
5 Midnight Badger 70 77 70 +7 0.0 -
6 Tiger In The Sun 71 66 61 +5 6.0 -
7 Feather The Nest 64 54 54 ✓ Match 6.0 -
8 Readysetglo 63 61 59 +2 0.0 -
9 Urban Rock 63 54 62 -8 0.0 -
10 Fantasy Flower 65 53 55 -2 6.0 -
11 Edward Longshanks 74 62 64 -2 5.0 -
12 Twelve Oaks 65 55 63 -8 0.0 -
99 Tiki Taka - 48 58 -10 0.0 -
99 Just As Rich - 52 50 +2 6.0 -
99 Grindelwald - 70 58 +12 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