Official NHA Assessment

Race 7: EASTER SPRINT (For horses 3 years and older - Non-Black Type)

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Line Horse
Sardinia Bay
Reference for assessment
Exact Matches
6 / 13
Calculated = Official
Close Matches
11 / 13
Within 2 points
Significant Diffs
1 / 13
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    Dance Variety        2    60.0    1    0.00     2.0   112   114          114   +2
2    Sardinia Bay         2    55.0    2    0.30     2.0   104   104          104   +0
3    Teflon Man           4    57.0    3    0.60     3.5   106   105          105   -1
4    Kaiboy               2    58.5    4    0.90     2.0   108   111          111   +3
5    Beware               3    54.5    5    1.30     3.0   103   101          101   -2
5    Demanding Dave       2    54.0    5    1.30     2.0   102   102          102   +0
7    King Regent          3    57.5    7    2.05     3.0   106   107          107   +1
8    North Point          2    52.5    8    2.10     2.0   101   99           99    -2
8    Churchillian         2    51.0    8    2.10     2.0   96    96           96    +0
10   Gem King             6    60.0    10   2.40     0.0   110   118          118   +8
11   Three Tigers         2    51.0    11   3.15     2.0   97    96           96    -1
12   Dumbledore           4    57.0    12   4.40     3.5   106   105          105   -1
13   Pistol Pete          3    63.0    13   8.40     3.0   119   118          118   -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dance Variety 112 114 114 ✓ Match 2.0 -
2 Sardinia Bay Line 104 104 104 ✓ Match 2.0
3 Teflon Man 106 106 105 +1 3.5 -
4 Kaiboy 108 108 111 -3 2.0 -
5 Beware 103 103 101 +2 3.0 -
5 Demanding Dave 102 102 102 ✓ Match 2.0 -
7 King Regent 106 106 107 -1 3.0 -
8 North Point 101 101 99 +2 2.0 -
8 Churchillian 96 95 96 -1 2.0 -
10 Gem King 110 108 118 -10 0.0 -
11 Three Tigers 97 96 96 ✓ Match 2.0 -
12 Dumbledore 106 105 105 ✓ Match 3.5 -
13 Pistol Pete 119 118 118 ✓ Match 3.0 -
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