Official NHA Assessment

Race 4: GALLOP FORM MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse

None identified

Reference for assessment

Exact Matches

2 / 14

Calculated = Official

Close Matches

3 / 14

Within 2 points

Significant Diffs

9 / 14

More than 5 points

Detailed Assessment

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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Sneeuwitjie          2    52.0    1    0.00     0.0   -     -            -     +0
2    Flying South         2    56.0    2    0.30     0.0   -     -            -     +0
3    Mrs Stormiatrix      2    56.0    3    1.90     0.0   -     -            -     +0
4    Miss Twinkle         3    60.0    4    3.10     0.5   -     -            -     +0
5    Roy's Grace          4    60.0    5    3.30     0.5   61    -            57    -4
6    Freydis              2    56.0    6    4.20     0.0   -     -            -     +0
7    Lightinthedarkness   3    56.0    7    4.70     0.5   63    -            57    -6
8    Futano               3    58.5    8    5.00     0.5   59    -            52    -7
9    Skipper O'Malley     3    60.0    9    5.80     0.5   66    -            58    -8
10   East Coast Girl      2    56.0    10   7.10     0.0   -     -            -     +0
11   Miss Danon           2    56.0    11   7.35     0.0   -     -            -     +0
12   Spanish Feud         2    56.0    12   10.55    0.0   -     -            -     +0
13   Glorious Butterfly   3    56.0    13   11.55    0.5   68    -            56    -12
14   Emmas Palace         4    56.0    14   22.65    0.5   -     -            -     +0
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Horse-by-Horse Comparison

Pos	Horse	Pre-Rating	Official New	Calculated	Discrepancy	WFA (kg)	Line Horse
1	Sneeuwitjie	-	75	-	+75	0.0	-
2	Flying South	-	70	-	+70	0.0	-
3	Mrs Stormiatrix	-	81	-	+81	0.0	-
4	Miss Twinkle	-	86	-	+86	0.5	-
5	Roy's Grace	61	63	57	+6	0.5	-
6	Freydis	-	-	-	✓ Match	0.0	-
7	Lightinthedarkness	63	59	57	+2	0.5	-
8	Futano	59	55	52	+3	0.5	-
9	Skipper O'Malley	66	62	58	+4	0.5	-
10	East Coast Girl	-	89	-	+89	0.0	-
11	Miss Danon	-	72	-	+72	0.0	-
12	Spanish Feud	-	67	-	+67	0.0	-
13	Glorious Butterfly	68	66	56	+10	0.5	-
14	Emmas Palace	-	-	-	✓ Match	0.5	-

Assessment Methodology

Calculation Steps:

Identify Line Horse - consistent performer used as reference
Calculate WFA Allowance based on age, distance, and month
Apply Drag Adjustment for beaten margin
Calculate Actual Weight Performance:
Weight - Drag - WFA
Compare to Line Horse to determine race rating
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