Official NHA Assessment

Race 7: HKJC WORLD POOL SA CLASSIC (Grade 1) (For 3 year-olds (2nd Leg of SA Triple Crown))

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Line Horse
One Eye On Vegas
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
4 / 9
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    Grand Empire         3    60.0    1    0.00     4.5   108   103          103   -5
2    Trust                2    60.0    2    0.10     0.0   107   112          112   +5
3    Splittheeights       3    60.0    3    1.85     4.5   109   106          106   -3
4    One Eye On Vegas     3    60.0    4    2.25     4.5   106   106          106   +0
5    Jan Van Goyen        2    60.0    5    4.25     0.0   118   113          113   -5
6    Radio Star           2    60.0    6    4.45     0.0   95    112          112   +17
7    Yippee Kiyay         2    60.0    7    7.45     0.0   105   112          112   +7
8    All Systems Go       3    60.0    8    13.95    4.5   102   103          103   +1
9    Errol Flynn          3    60.0    9    28.25    4.5   96    103          103   +7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Grand Empire 108 111 103 +8 4.5 -
2 Trust 107 110 112 -2 0.0 -
3 Splittheeights 109 109 106 +3 4.5 -
4 One Eye On Vegas Line 106 106 106 ✓ Match 4.5
5 Jan Van Goyen 118 118 113 +5 0.0 -
6 Radio Star 95 102 112 -10 0.0 -
7 Yippee Kiyay 105 105 112 -7 0.0 -
8 All Systems Go 102 102 103 -1 4.5 -
9 Errol Flynn 96 96 103 -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