Official NHA Assessment

Race 6: BETWAY GRAHAM BECK STAKES (Grade 3) (For 3 year-olds)

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Line Horse
Gimmeanotherchance
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
8 / 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    Main Defender        4    59.0    1    0.00     4.5   121   110          110   -11
2    Sandringham Summit   2    60.0    2    0.05     0.0   117   121          121   +4
3    Gimmeanotherchance   4    57.0    3    3.25     4.5   108   108          108   +0
4    The Africa House     4    57.0    4    4.25     4.5   94    107          107   +13
5    Fire 'N Flames       4    57.0    5    5.50     4.5   101   106          106   +5
6    Sovereign State      3    57.0    6    5.75     7.0   106   101          101   -5
7    Richard The First    2    57.0    7    7.00     0.0   92    115          115   +23
8    Biofarmer            4    57.0    8    17.00    4.5   95    106          106   +11
9    Prince Of Kildare    4    57.0    9    17.75    4.5   82    106          106   +24
10   Halberdier           4    57.0    10   19.25    4.5   86    106          106   +20
99   Mount Pilatus        4    57.0    99   0.00     4.5   -     106          106   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Main Defender 121 130 110 +20 4.5 -
2 Sandringham Summit 117 123 121 +2 0.0 -
3 Gimmeanotherchance Line 108 96 108 -12 4.5
4 The Africa House 94 93 107 -14 4.5 -
5 Fire 'N Flames 101 103 106 -3 4.5 -
6 Sovereign State 106 96 101 -5 7.0 -
7 Richard The First 92 87 115 -28 0.0 -
8 Biofarmer 95 78 106 -28 4.5 -
9 Prince Of Kildare 82 80 106 -26 4.5 -
10 Halberdier 86 83 106 -23 4.5 -
99 Mount Pilatus - 113 106 +7 4.5 -
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