Official NHA Assessment

Race 5: PLAY SOCCER 6, 10 AND 13 WORK RIDERS MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Back To Formentera
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
9 / 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    Blue Meteor          3    59.0    1    0.00     4.0   -     63           6     +6
2    In The Ether         6    59.0    2    0.25     0.0   -     71           71    +71
3    Crown Plaza          3    59.0    3    0.75     4.0   63    67           67    +4
4    Back To Formentera   3    59.0    4    5.00     4.0   63    63           63    +0
5    Country Flame        3    59.0    5    6.25     4.0   68    63           63    -5
6    Iphiko               3    59.0    6    7.00     4.0   -     63           63    +63
7    Covermeinsunshine    3    59.0    7    7.50     4.0   52    63           63    +11
8    Destiny Rules        4    60.0    8    8.50     2.5   54    68           68    +14
9    Spirit Of St Louis   3    59.0    9    16.00    4.0   -     63           63    +63
10   Mix The Magic        3    59.0    10   16.50    4.0   -     63           63    +63
99   Kay Francis          3    59.0    99   0.00     4.0   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blue Meteor - 73 6 +67 4.0 -
2 In The Ether - 63 71 -8 0.0 -
3 Crown Plaza 63 58 67 -9 4.0 -
4 Back To Formentera Line 63 60 63 -3 4.0
5 Country Flame 68 54 63 -9 4.0 -
6 Iphiko - 111 63 +48 4.0 -
7 Covermeinsunshine 52 52 63 -11 4.0 -
8 Destiny Rules 54 53 68 -15 2.5 -
9 Spirit Of St Louis - 41 63 -22 4.0 -
10 Mix The Magic - 52 63 -11 4.0 -
99 Kay Francis - 58 63 -5 4.0 -
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