Official NHA Assessment

Race 7: BETWAY ALGOA CUP (Listed) (Open)

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Line Horse
My Best Shot
Reference for assessment
Exact Matches
2 / 14
Calculated = Official
Close Matches
2 / 14
Within 2 points
Significant Diffs
10 / 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    Zatara Magic         5    58.0    1    0.00     0.0   108   123          114   +6
2    My Best Shot         3    61.0    2    1.50     9.0   116   116          116   +0
3    Holding Thumbs       4    60.5    3    1.55     5.0   113   123          123   +10
4    Lanciafiamme         3    52.0    4    2.55     9.0   92    97           97    +5
5    Blackberry Malt      5    52.5    5    3.05     0.0   97    115          115   +18
6    Please Be True       2    52.0    6    3.80     0.0   93    113          113   +20
7    Golden Peace         2    59.0    7    6.05     0.0   110   125          125   +15
8    Global Ally          6    52.0    8    6.30     0.0   95    111          111   +16
9    Brenden James        6    53.5    9    12.80    0.0   99    114          114   +15
10   Ardabil              2    52.5    10   14.55    0.0   99    112          112   +13
11   Bournemouth          5    60.5    11   16.80    0.0   113   128          128   +15
12   San Quintin          6    52.0    12   21.30    0.0   58    111          111   +53
13   Queen Of Love        3    52.5    13   21.55    9.0   99    94           94    -5
99   FireAlley            7    59.0    99   0.00     0.0   -     125          125   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zatara Magic 108 114 114 ✓ Match 0.0 -
2 My Best Shot Line 116 116 116 ✓ Match 9.0
3 Holding Thumbs 113 119 123 -4 5.0 -
4 Lanciafiamme 92 102 97 +5 9.0 -
5 Blackberry Malt 97 82 115 -33 0.0 -
6 Please Be True 93 93 113 -20 0.0 -
7 Golden Peace 110 105 125 -20 0.0 -
8 Global Ally 95 97 111 -14 0.0 -
9 Brenden James 99 98 114 -16 0.0 -
10 Ardabil 99 101 112 -11 0.0 -
11 Bournemouth 113 110 128 -18 0.0 -
12 San Quintin 58 58 111 -53 0.0 -
13 Queen Of Love 99 86 94 -8 9.0 -
99 FireAlley - 107 125 -18 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