Official NHA Assessment

Race 6: BETWAY SUMMER CUP 26 NOVEMBER MR 80 DIVIDED HANDICAP (Open)

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Line Horse
Southern Blaze
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    Eye Of The Prophet   2    52.0    1    0.00     0.0   81    75           81    +0
2    Tirpitz              6    56.5    2    1.50     0.0   73    87           87    +14
3    Southern Blaze       3    55.5    3    2.00     7.0   71    71           71    +0
4    Duke Of Rain         3    56.5    4    2.50     7.0   73    72           72    -1
5    Brenden James        6    57.5    5    4.50     0.0   75    86           86    +11
6    Electric Gold        5    59.0    6    5.00     0.0   92    89           89    -3
7    Tabebuia             3    60.0    7    5.75     7.0   80    77           77    -3
8    Flying Grace         4    56.0    8    6.50     4.0   75    75           75    +0
9    Oyster King          5    54.5    9    23.00    0.0   69    80           80    +11
99   Just A Memory        3    53.5    99   0.00     7.0   -     64           64    +0
99   Sequoia              6    55.5    99   0.00     0.0   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Eye Of The Prophet 81 108 81 +27 0.0 -
2 Tirpitz 73 82 87 -5 0.0 -
3 Southern Blaze Line 71 89 71 +18 7.0
4 Duke Of Rain 73 70 72 -2 7.0 -
5 Brenden James 75 98 86 +12 0.0 -
6 Electric Gold 92 96 89 +7 0.0 -
7 Tabebuia 80 94 77 +17 7.0 -
8 Flying Grace 75 63 75 -12 4.0 -
9 Oyster King 69 50 80 -30 0.0 -
99 Just A Memory - 67 64 +3 7.0 -
99 Sequoia - 99 82 +17 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