ZakStunts Folyami ratings

Current
- Near misses
Historical
About the ratings

Current

Latest update: ZCT272 (April 2024)

Personal best: Spoonboy, Zapper

	Racer	Rating	Change
1	Argammon	2284	n/a
2	Duplode	2219	+15
3	Alan Rotoi	2141	+4
4	KyLiE	1982	n/a
5	Frieshansen	1932	+20
6	Marco	1834	n/a
7	Zapper	1823	+12
8	Overdrijf	1772	+7
9	Mark Nailwood	1760	-7
10	Spoonboy	1760	+50
11	Erik Barros	1754	-22
12	dreadnaut	1634	-26
13	Ryoma	1588	+3
14	Cas	1439	0
15	dstien	1354	-21
16	Shoegazing Leo	1339	-1
17	afullo	1313	n/a
18	Daniel3D	1119	n/a
19	Stan 286XT	1075	n/a

The “change” values are differences between current and previous ratings for racers who took part (and had an included entry) in the latest race.

Near misses

Racers unranked due to inactivity who have raced (with an included entry) within the last twelve rounds.

Racer	Rating	Latest
Friker	1753	C267
GTAMan15	1437	C261
Heretic	1501	C266
Igor	1222	C262
Shorty	1276	C265

Historical

Latest update: ZCT272 (April 2024)

	Racer	Pers. Best	At
1	Ayrton	2351	C100
2	Renato Biker	2309	C180
3	Gutix	2302	C111
4	Argammon	2284	C269
5	Duplode	2245	C267
6	CTG	2233	C160
7	FinRok	2221	C229
8	Alan Rotoi	2213	C254
9	Akoss Poo	2170	C169
10	Marco	2104	C218
11	Bonzai Joe	2072	C134
12	Alain	2019	C32
13	Mark L. Rivers	1994	C88
14	KyLiE	1992	C265
15	SuperBrian	1972	C124
16	Frieshansen	1963	C267
17	Roy Wiegerinck	1963	C15
18	Mingva	1961	C102
19	Friker	1953	C187
20	Chulk	1951	C61
21	Seeker1982	1944	C230
22	Zak McKracken	1906	C64
23	AbuRaf70	1898	C138
24	Overdrijf	1878	C221
25	DarkChaser	1872	C69
26	Erik Barros	1872	C269
27	dreadnaut	1860	C210
28	Usrin	1833	C255
29	Zapper	1823	C272
30	vamologocomisso	1788	C69
31	mislav	1782	C64
32	XDude_NL	1778	C28
33	Mark Nailwood	1767	C271
34	Spoonboy	1760	C272
35	Krys TOFF	1732	C45
36	Stingray86	1716	C229
37	Doelloos	1710	C28
38	Imperas	1701	C198
39	Bismarck	1695	C15
40	DieselJoe	1691	C45
41	Ben Snel	1690	C14
42	Pershing II	1636	P1
43	Shorty	1631	C167
44	Ryoma	1626	C265
45	satanziege	1623	C31
46	ADPunk	1616	C142
47	Fernando Brito	1612	C32
48	Heretic	1604	C250
49	dstien	1596	C125
50	Pitman	1560	C107
51	SergioBaro	1559	C53
52	Johnny-K	1555	C54
53	dosbox92	1545	C218
54	JoSi	1514	C110
55	afullo	1508	C243
56	Paleke	1503	C51
57	Pavekiller	1502	C89
58	Cas	1494	C265
59	arturbmallman	1486	C200
60	Shoegazing Leo	1472	C171
61	GTAMan15	1437	C261
62	Guga	1427	C36
63	Eddie Brother	1419	P3
64	Juank_23	1415	C15
65	KHR	1405	C5
66	Crazy Jimmy	1399	C118
67	Ranger	1395	C33
68	PedroAntonio	1394	C64
69	JTK	1389	C26
70	Cyberman	1383	C93
71	Antti	1378	C91
72	Straycat	1372	C233
73	hek	1372	C64
74	Dinmor	1362	C49
75	AMG	1362	C82
76	Trx	1362	C7
77	lise	1349	C48
78	sd4000	1325	C214
79	Igor	1308	C238
80	Böbszlee	1308	C91
81	Neil McRae	1294	C27
82	Fredmen67	1249	C109
83	Motig	1247	C199
84	Marci	1227	C64
85	Daffy Duck	1227	C27
86	matamo	1207	C244
87	Tweety Bird	1185	C27
88	Daniel3D	1174	C249
89	Stan 286XT	1167	C238
90	Lene	1164	C69

About the ratings

The ratings in this page are calculated using the Folyami system, an Elo-like system adapted for racing competitions and, in particular, ZakStunts. The technical details on the system works and how it differs from Elo are outlined in The Folyami Rating System page. In the following paragraphs, I will focus on the aspects specific to its current implementation for ZakStunts.

Two rankings are assembled from the ratings: current and historical. The current ranking lists the rating for each racer after the most recent race they took part in, while the historical ranking lists the personal best rating reached by each racer over the entire history of the competition. The rankings have complementary purposes: while the current ranking is very dynamic and responsive to form, the historical rating provides lasting records and milestones.

To be included in either ranking, a racer must have completed at least five ZakStunts races, so that their rating can stabilise to some extent after starting from the arbitrary initial value of 1500. Additionally, in accordance with the dynamic, responsive to form nature of the current ranking, racers must race at least once every four races to remain in it. Racers who leave the current ranking due to inactivity can rejoin it at any time by taking part of a race, with their ratings preserved.

While the rating values shown in the rankings are integers, the calculations are done with decimal numbers, with the results only being rounded down for display in the final tables. The order of racers in the rankings is set according to the values before rounding; there are no other tiebreakers. The choice of rounding down, rather than to the nearest integer, was made so that one can look at the rankings and claim that, for instance, someone has reached 2000 points while being sure that the actual result won’t turn out to be, say, 1999.93. The rating differences shown in the tables, as in the “change” column of the current ranking, are taken between the rounded down values for consistency.

The historical data of ZakStunts results used to obtain the ratings was reviewed to eliminate inconsistencies which might muddle up the results. In particular, known ghosts have been excluded altogether from the calculations (legitimate name changes and pseudonyms, on the other hand, have been merged). Additionally, there are three Folyami-specific exclusion rules for race results, which aim at keeping obviously unrepresentative results from affecting the ratings. They are:

EX1 (“Bonzai Joe rule”): Results attained with times above 300% of the winning time and more than two standard deviations above the average time are excluded.
EX2 (“Marco rule”): Results known to have been attained while driving under restrictive racing rules (such as GAR or NoRH) are excluded.
EX3 (“Alan Rotoi rule”): Results attained with a clearly uncompetitive car are excluded. A clearly uncompetitive car is one that is only present in the bottom fourth (rounded up) of the scoreboard, and that wasn’t used to reach a better result than anyone driving a car that isn’t clearly uncompetitive and whose result has not been excluded by the EX1 and EX2 rules.
- For instance, in a race with 17 entries there are Lancias from 1st to 12th and Carreras from 13th to 17th, the Carrera is an uncompetitive car. However, if there is only one Carrera in 13th place amidst sixteen Lancias, the Carrera is not uncompetitive, as it has ended up ahead of some of the Lancias.)

Results excluded under those three rules do not count towards reaching the five race threshold for entering the ranking, nor do they count as race activity for the purpose of remaining in the current ranking.

The ZakStunts results data set used to compute the ratings are available in the GitHub repository of the project. If you spot a mistake or an omission in the data, it can be reported through the usual channels, or through an issue or pull request at GitHub.