Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING TUESDAY 7 NOVEMBER FM 76 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Inventrix
Reference for assessment
Exact Matches
2 / 17
Calculated = Official
Close Matches
3 / 17
Within 2 points
Significant Diffs
9 / 17
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    Chrome Tourmaline    4    58.0    1    0.00     10.0  83    63           83    +0
2    Inventrix            2    58.5    2    2.25     5.5   73    73           73    +0
3    Midnight Fusion      4    55.5    3    2.50     10.0  81    58           71    -10
4    Empress Game         3    57.0    4    3.25     8.5   70    64           64    -6
5    Happy Analia         4    55.0    5    4.75     10.0  77    57           67    -10
6    Lil Miss Moneybags   3    60.0    6    5.50     8.5   76    70           70    -6
7    Divine Moonlight     4    58.0    7    7.00     10.0  83    63           73    -10
8    Micke's Bomb         4    58.0    8    7.50     10.0  83    63           73    -10
9    Si Veloce            4    57.5    9    8.75     10.0  82    62           72    -10
10   Miss Soho            2    57.0    10   9.00     5.5   73    70           70    -3
11   Southern Style       5    53.0    11   10.50    0.0   70    73           73    +3
12   Above The World      2    56.0    12   12.50    5.5   68    68           68    +0
13   Wilkies              2    57.0    13   13.00    5.5   70    70           70    +0
99   Samoa                10   57.5    99   0.00     0.0   -     82           82    +0
99   Clean Living         2    54.0    99   0.00     5.5   -     64           64    +0
99   Cue The Rebel        2    57.5    99   0.00     5.5   -     71           71    +0
99   Fennec Fox           5    56.0    99   0.00     0.0   -     79           79    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chrome Tourmaline 83 107 83 +24 10.0 -
2 Inventrix Line 73 73 73 ✓ Match 5.5
3 Midnight Fusion 81 67 71 -4 10.0 -
4 Empress Game 70 61 64 -3 8.5 -
5 Happy Analia 77 78 67 +11 10.0 -
6 Lil Miss Moneybags 76 70 70 ✓ Match 8.5 -
7 Divine Moonlight 83 75 73 +2 10.0 -
8 Micke's Bomb 83 60 73 -13 10.0 -
9 Si Veloce 82 50 72 -22 10.0 -
10 Miss Soho 73 73 70 +3 5.5 -
11 Southern Style 70 54 73 -19 0.0 -
12 Above The World 68 63 68 -5 5.5 -
13 Wilkies 70 50 70 -20 5.5 -
99 Samoa - 64 82 -18 0.0 -
99 Clean Living - 61 64 -3 5.5 -
99 Cue The Rebel - 62 71 -9 5.5 -
99 Fennec Fox - 64 79 -15 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