Official NHA Assessment

Race 7: TAKE A BET WINA NUMBA NUMBA MR 80 HANDICAP (Open)

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Line Horse
Secret Chord
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    The Navy Lark        4    54.0    1    0.00     12.0  73    68           73    +0
2    Godspeed             2    57.5    2    0.50     7.0   75    85           85    +10
3    Coppola              4    58.5    3    1.50     12.0  77    77           77    +0
4    Secret Chord         4    59.0    4    2.40     12.0  78    78           78    +0
5    Warm Winter Nite     2    56.5    5    2.50     7.0   73    83           83    +10
6    Vegas Hi Rise        6    59.0    6    3.90     0.0   78    102          102   +24
7    Rattle Bag           6    58.0    7    6.00     0.0   76    100          100   +24
8    Nkandla Gold         4    62.5    8    7.00     12.0  85    85           85    +0
9    Sea Shanty           4    59.5    9    8.75     12.0  79    79           79    +0
10   Kashkaval            3    57.0    10   9.75     10.5  74    77           77    +3
11   Oriental Bouquet     4    56.5    11   11.00    12.0  73    73           73    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 The Navy Lark 73 74 73 +1 12.0 -
2 Godspeed 75 60 85 -25 7.0 -
3 Coppola 77 83 77 +6 12.0 -
4 Secret Chord Line 78 92 78 +14 12.0
5 Warm Winter Nite 73 92 83 +9 7.0 -
6 Vegas Hi Rise 78 71 102 -31 0.0 -
7 Rattle Bag 76 71 100 -29 0.0 -
8 Nkandla Gold 85 63 85 -22 12.0 -
9 Sea Shanty 79 71 79 -8 12.0 -
10 Kashkaval 74 74 77 -3 10.5 -
11 Oriental Bouquet 73 56 73 -17 12.0 -
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