Official NHA Assessment

Race 8: LUCKY FISH FIRE STRIKE MIDDLE STAKES (For All Horses)

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Line Horse
Gold Giboski
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
8 / 11
Within 2 points
Significant Diffs
1 / 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    Flying Finley        3    57.0    1    0.00     2.5   88    91           91    +3
2    Gold Giboski         2    57.0    2    1.00     1.5   93    93           93    +0
3    Churchillian         2    58.5    3    2.50     1.5   95    96           96    +1
4    Un Bel Di            3    56.0    4    3.00     2.5   98    89           89    -9
5    Black Cheetah        2    57.0    5    3.05     1.5   91    93           93    +2
6    Elusive Winter       4    60.0    6    4.30     0.0   104   102          102   -2
7    North Point          2    60.0    7    4.80     1.5   101   99           99    -2
8    Magical Place        2    60.0    8    6.30     1.5   98    99           99    +1
9    Dreamland            4    58.0    9    8.80     0.0   103   98           98    -5
10   Demanding Dave       2    61.5    10   11.80    1.5   102   102          102   +0
99   Dean Street          3    61.5    99   0.00     2.5   -     100          100   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Flying Finley 88 93 91 +2 2.5 -
2 Gold Giboski Line 93 93 93 ✓ Match 1.5
3 Churchillian 95 92 96 -4 1.5 -
4 Un Bel Di 98 96 89 +7 2.5 -
5 Black Cheetah 91 88 93 -5 1.5 -
6 Elusive Winter 104 103 102 +1 0.0 -
7 North Point 101 100 99 +1 1.5 -
8 Magical Place 98 98 99 -1 1.5 -
9 Dreamland 103 100 98 +2 0.0 -
10 Demanding Dave 102 102 102 ✓ Match 1.5 -
99 Dean Street - 102 100 +2 2.5 -
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