Official NHA Assessment

Race 5: FAIRVIEW MILE (Open - Non-Black Type)

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Line Horse

Grazinginthegrass

Reference for assessment

Exact Matches

1 / 16

Calculated = Official

Close Matches

3 / 16

Within 2 points

Significant Diffs

13 / 16

More than 5 points

Detailed Assessment

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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Native Tongue        4    57.5    1    0.00     2.5   105   105          105   +0
2    Grazinginthegrass    4    54.0    2    0.25     2.5   98    98           98    +0
3    My Bestie            7    54.0    3    0.50     0.0   98    108          108   +10
4    Cat Daddy            6    55.5    4    0.60     0.0   100   111          111   +11
5    Blingking            4    52.0    5    2.85     2.5   94    96           96    +2
6    Marmara Sea          5    60.0    6    3.35     0.0   110   116          116   +6
7    Herodotus            6    52.0    7    3.85     0.0   91    100          100   +9
8    Greenlighttoheaven   4    52.5    8    4.35     2.5   91    95           95    +4
9    Oscar Wilde          5    57.0    9    5.35     0.0   104   109          109   +5
10   Jaeger Moon          7    55.0    10   5.45     0.0   100   105          105   +5
11   Blackball            7    58.0    11   5.50     0.0   106   111          111   +5
12   Carioca              6    55.5    12   7.75     0.0   106   106          106   +0
13   Rock Aloe            5    53.0    13   9.00     0.0   96    101          101   +5
14   Guru's Pride         5    52.0    14   11.25    0.0   87    99           99    +12
15   Find Me Unafraid     4    53.5    15   11.50    2.5   97    97           97    +0
16   Aqua Delta           5    54.0    16   16.25    0.0   97    103          103   +6
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Horse-by-Horse Comparison

Pos	Horse	Pre-Rating	Official New	Calculated	Discrepancy	WFA (kg)	Line Horse
1	Native Tongue	105	105	105	✓ Match	2.5	-
2	Grazinginthegrass Line	98	111	98	+13	2.5
3	My Bestie	98	61	108	-47	0.0	-
4	Cat Daddy	100	98	111	-13	0.0	-
5	Blingking	94	90	96	-6	2.5	-
6	Marmara Sea	110	101	116	-15	0.0	-
7	Herodotus	91	102	100	+2	0.0	-
8	Greenlighttoheaven	91	83	95	-12	2.5	-
9	Oscar Wilde	104	95	109	-14	0.0	-
10	Jaeger Moon	100	97	105	-8	0.0	-
11	Blackball	106	100	111	-11	0.0	-
12	Carioca	106	105	106	-1	0.0	-
13	Rock Aloe	96	93	101	-8	0.0	-
14	Guru's Pride	87	70	99	-29	0.0	-
15	Find Me Unafraid	97	85	97	-12	2.5	-
16	Aqua Delta	97	95	103	-8	0.0	-

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