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1994 BAOC Club Rankings

by Wyatt Riley

The 1994 BAOC Rankings are a mathematical concoction based on the event results. More details on these rankings and the mathematics behind them can be found in the following issues of the BAOC Bulletin: Jan/Feb 1993, Jan/Feb 1994, and Jul/Aug 1994.

Advanced Courses Orange Courses


Methodology

Before 1992, BAOC ranked members by course, using a system very similar to the USOF system. This year, rankings were done using a slight modification to the USOF rules (which at this point are changing). The system was still similar to the USOF rankings, with a slight change in the calculation of course difficulty and the addition of an iterative process. All Brown, Green, Red, and Blue course competitors are ranked together on an Advanced list, and there is a separate list for Orange.

These rankings were done entirely by computer using an iteration rankings method. The major differences from the USOF ranking method are that everyone's result is used to determine the course difficulty, not just the top three, and that the ranking calculations are based on this year's results only (not on last year's rankings) via the use of iteration.

Who and What Gets Ranked

To be listed, you must have participated in either 3 advanced or 3 Orange courses during 1994. Everyone who did BAOC Green, Red, or Blue courses in 1994 are ranked together on the Advanced Rankings list. Orange course participants are ranked separately on an Orange Rankings list. Score-O, Street-O, Caneo-O, and other non-standard-O are not used in the rankings. Groups get ranked only if they have the same team members each time.

The Rossmoor Bar Green and Red courses were not included because of a missing control.

Mathematical Goings-on

The rankings are calculated in two steps. The first step is used to calculate course difficulties; the second step is used to calculate the final rankings points for an individual.

In the first half of the process, course difficulties are determined. Speed points on a course are supposed to be proportional to the orienteering speed of a competitor. Thus, if someone finishes a course in half the time of someone else, they will get twice as many points. That's the easy part.

The tricky part is figuring out how different courses compare, so that people who don't run directly against each other can be ranked side by side. One way to do this is to give each course a difficulty level or "gnarliness value" (GV). This way, the harder a course is, the more points you get for finishing it in a certain time.

It's very difficult (if not impossible) to determine the difficulty (or GV) of a course just by looking at how long or steep it is, so instead we use an estimate based on how all the competitors did. We don't directly ask each competitor how hard they thought the course was, because that would be subjective. What we do is compare how long they took with how fast they usually are to determine how hard they "experienced" the course to be.

The exact rules are even less readable than the above:

  1. The course difficulty or "Gnarliness Value" (GV) is equal to the average (harmonic mean) of the "Personal Gnarliness Values" (PGVs) "experienced" by each finisher.
  2. The PGV for each finisher is the competitor's average speed multiplied by the competitor's time on the course, in minutes. (E.g., if James is twice as fast as Joe, and James takes half as long as Joe, they both will have the same PGV for the course.)
  3. A competitor's average speed is the average of their speed on each course finished.
  4. A finisher's speed on a course is equal to the course difficulty (GV) divided by the finisher's time. (E.g., if Marsha finishes in half the time of Wyatt, Marsha's "speed" on the course will be twice as high as Wyatt's.)

If you study that list of rules, you might notice that this ranking system is circular. The competitors' speeds are based on the GVs, which are based on the PGVs, which are based on the competitors' speeds. Most systems get around this difficulty by determining the course gnarliness values (GVs) using the previous year's rankings as the competitors' speeds for the initial step.

The Iteration rankings are not based on previous years' rankings, which means that the 1994 rankings are based only on the 1994 finishes. This makes the process circular, which requires you to start with some speeds, then calculate all the way through and get new speeds, and do this again and again until the numbers stop changing.

Once the numbers settle, you have a GV for each course. Then, for each competitor, you add back in their DNFs and DQs, giving them a very slow penalty time for the course, then calculate all of their scores, and average the top 75 percent of these to come up with the ranking points for the competitor.


Highlights of the Results

The stats: 672 races by 194 different people on 50 courses at 17 days of orienteering events.

We had 194 different advanced-course competitors this year, without having an A-meet to attract out-of-town orienteers (that's up from 117 last year). Of these, 81 raced 3 or more times. We're definitely doing something right!

Other highlights:


1994 Advanced Rankings by Age Class

Left-hand number is overall placement within the combined BAOC advanced rankings.
Rank	Name		      Result  '93 Rank  Events

F21
45 (1)	Stephanie Maclean	57.4		15
53 (2)	Karen Sessler		52.4	45	10
58 (3)	Sharon Evans		50.2	52	6

F35
49 (1)	Janet Halsebo		55.3	46	10

F40
11 (1)	Penny DeMoss		86.6	13	8
61 (2)	Edith Jacobi		47.6	47	7
68 (3)	Patty Clemo		38.5		6

F45
67 (1)	Marsha Jacobs		40.9	50	7
70 (2)	Lucy DuPertuis		33.5		6

F50
81 (1)	Nancy Lindeman		24.5		6

M20
1 (1)	James Scarborough	123.5	2	4

M21
3 (1)	Michael Schumacher	108.3		4
5 (2)	Torben Voetmann		99.9		5
6 (3)	Wyatt Riley		99.8		4
12 (4)	Derek Maclean		85.3		15
13 (5)	Ian Tidswell		84.7	8	3
22 (6)	Tapio Karras		76.3		5
23 (7)	Darren Irwin		75.8		4
27 (8)	Thorsten Graeve		73.5		9
29 (9)	Phil Lacroute		70.1	7	6
35 (10)	Dan Greene		63.3	32	9
37 (11)	Stuart Taylor		62.8	23	4
39 (12)	Kennard White		61.5	34	5
42 (13)	Bruce Bassett		58.5		3
47 (14)	Michael Percy		56.9	41	8
48 (15)	Scott Aster		56.6	37	11
52 (16)	Keg Alexander		52.5	25	5
55 (17)	Roy Want		51.4		7
78 (18)	Robert Rich		28.5		3
80 (19)	Anthony Manuel		25.7		3

M35
4 (1)	Andy Staatz		107.9	6	4
8 (2)	Kent Ohlund		94.1	3	12
10 (3)	Tom Strat		91.5	5	14
15 (4)	Andy Freeberg		82.4	11	4
20 (5)	Steve Gregg		76.7	19	14
21 (6)	Alan Glendinning	76.7	18	10
25 (7)	Dan Clark		75.3		3
36 (8)	Finn Arildsen		63.0		7
38 (9)	Werner Haag		62.0	27	10
41 (10)	Michael Poulsen		60.2		4
57 (11)	Kenneth Brown		50.5		4
60 (12)	Brian Battuello		47.8		5
63 (13)	Tony Pinkham		45.3		4
73 (14)	Jeff Lanam		32.0		3
75 (15)	Steve Beuerman		31.1		5

M40
2 (1)	Bruce Wolfe		110.2	1	5
14 (2)	Gary Kraght		82.5	15	9
17 (3)	Mark Petersen		81.1	9	8
19 (4)	Stephen Miller		78.9		4
34 (5)	Gavin Wyatt-Mair	63.4	24	10
40 (6)	Mark Blair		60.9	29	10
43 (7)	Peter Graube		57.6	43	10
51 (8)	Christian Jacobi	52.8	36	7
54 (9)	Jim Thompson		52.3		3
59 (10)	Lars Borg		48.3		3

M45
9 (1)	Ron Hudson		93.8	4	5
16 (2)	Gary Carpenter		81.5	20	12
18 (3)	Dennis Wildfogel	79.8	12	11
26 (4)	George Minarik		74.5	16	12
30 (5)	Steve Smith		68.2		4
56 (6)	Greg Lee		50.8		4
62 (7)	Steve Boyack		46.5		4
65 (8)	Nick Corsano		43.6	26	3

M50
28 (1)	Evan Custer		70.4	21	15
31 (2)	Bob Cooley		68.1	14	14
44 (3)	Michael Fleishman	57.5	30	8
64 (4)	Dwight Freund		44.7		6
66 (5)	Vic Revenko		42.1	48	7
69 (6)	John Miller		34.2	53	4
79 (7)	Gerald de Wit		27.9	55	5

M55
24 (1)	Joe Scarborough		75.7	10	4
32 (2)	Ron Gross		65.9	22	12
46 (3)	Harold DeMoss		57.0	38	9

M60
71 (1)	Don Harrington		32.6	54	5

Groups
50 (1)	Theo Verhoeven & 
	Paul Vermissen		53.9		4
74 (2)	Susan White & 
	Richard Asano		31.5		4
76 (3)	Aron & Robert Walker	30.8		3

Unknown
7 (-)	Andy Quickfall		99.2		3
33 (-)	Reed Benet		65.7		5
72 (-)	Ed Bolen		32.2		4
77 (-)	Nora Ernst		29.4		3


1994 Advanced Rankings, Combined

Rank in parentheses is rank within age class.
Rank	Name			Class	Result	Events	93 Rank

1 (1)	James Scarborough	M20	123.5	4	2
2 (1)	Bruce Wolfe		M40	110.2	5	1
3 (1)	Michael Schumacher	M21	108.3	4	
4 (1)	Andy Staatz		M35	107.9	4	6
5 (2)	Torben Voetmann		M21	99.9	5	
6 (3)	Wyatt Riley		M21	99.8	4	
7 (1)	Andy Quickfall		Unknown	99.2	3	
8 (2)	Kent Ohlund		M35	94.1	12	3
9 (1)	Ron Hudson		M45	93.8	5	4
10 (3)	Tom Strat		M35	91.5	14	5
11 (1)	Penny DeMoss		F40	86.6	8	13
12 (4)	Derek Maclean		M21	85.3	15	
13 (5)	Ian Tidswell		M21	84.7	3	8
14 (2)	Gary Kraght		M40	82.5	9	15
15 (4)	Andy Freeberg		M35	82.4	4	11
16 (2)	Gary Carpenter		M45	81.5	12	20
17 (3)	Mark Petersen		M40	81.1	8	9
18 (3)	Dennis Wildfogel	M45	79.8	11	12
19 (4)	Stephen Miller		M40	78.9	4	
20 (5)	Steve Gregg		M35	76.7	14	19
21 (6)	Alan Glendinning	M35	76.7	10	18
22 (6)	Tapio Karras		M21	76.3	5	
23 (7)	Darren Irwin		M21	75.8	4	
24 (1)	Joe Scarborough		M55	75.7	4	10
25 (7)	Dan Clark		M35	75.3	3	
26 (4)	George Minarik		M45	74.5	12	16
27 (8)	Thorsten Graeve		M21	73.5	9	
28 (1)	Evan Custer		M50	70.4	15	21
29 (9)	Phil Lacroute		M21	70.1	6	7
30 (5)	Steve Smith		M45	68.2	4	
31 (2)	Bob Cooley		M50	68.1	14	14
32 (2)	Ron Gross		M55	65.9	12	22
33 (2)	Reed Benet		Unknown	65.7	5	
34 (5)	Gavin Wyatt-Mair	M40	63.4	10	24
35 (10)	Dan Greene		M21	63.3	9	32
36 (8)	Finn Arildsen		M35	63.0	7	
37 (11)	Stuart Taylor		M21	62.8	4	23
38 (9)	Werner Haag		M35	62.0	10	27
39 (12)	Kennard White		M21	61.5	5	34
40 (6)	Mark Blair		M40	60.9	10	29
41 (10)	Michael Poulsen		M35	60.2	4	
42 (13)	Bruce Bassett		M21	58.5	3	
43 (7)	Peter Graube		M40	57.6	10	43
44 (3)	Michael Fleishman	M50	57.5	8	30
45 (1)	Stephanie Maclean	F21	57.4	15	
46 (3)	Harold DeMoss		M55	57.0	9	38
47 (14)	Michael Percy		M21	56.9	8	41
48 (15)	Scott Aster		M21	56.6	11	37
49 (1)	Janet Halsebo		F35	55.3	10	46
50 (1)	Theo Verhoeven & 
	Paul Vermissen		Group	53.9	4	
51 (8)	Christian Jacobi	M40	52.8	7	36
52 (16)	Keg Alexander		M21	52.5	5	25
53 (2)	Karen Sessler		F21	52.4	10	45
54 (9)	Jim Thompson		M40	52.3	3	
55 (17)	Roy Want		M21	51.4	7	
56 (6)	Greg Lee		M45	50.8	4	
57 (11)	Kenneth Brown		M35	50.5	4	
58 (3)	Sharon Evans		F21	50.2	6	52
59 (10)	Lars Borg		M40	48.7	3	
60 (12)	Brian Battuello		M35	47.8	5	
61 (2)	Edith Jacobi		F40	47.6	7	47
62 (7)	Steve Boyack		M45	46.5	4	
63 (13)	Tony Pinkham		M35	45.3	4	
64 (4)	Dwight Freund		M50	44.7	6	
65 (8)	Nick Corsano		M45	43.6	3	26
66 (5)	Vic Revenko		M50	42.1	7	48
67 (1)	Marsha Jacobs		F45	40.9	7	50
68 (3)	Patty Clemo		F40	38.5	6	
69 (6)	John Miller		M50	34.2	4	53
70 (2)	Lucy DuPertuis		F45	33.5	6	
71 (1)	Don Harrington		M60	32.6	5	54
72 (3)	Ed Bolen		Unknown	32.2	4	
73 (14)	Jeff Lanam		M35	32.0	3	
74 (2)	Susan White & 
	Richard Asano		Group	31.5	4	
75 (15)	Steve Beuerman		M35	31.1	5	
76 (3)	Aron & 
	Robert Walker		Group	30.8	3	
77 (4)	Nora Ernst		Unknown	29.4	3	
78 (18)	Robert Rich		M21	28.5	3	
79 (7)	Gerald de Wit		M50	27.9	5	55
80 (19)	Anthony Manuel		M21	25.7	3	
81 (1)	Nancy Lindeman		F50	24.5	6	


Most Improved Advanced Orienteers

The following orienteers showed the most improvement in their performance from 1993 to 1994 on the advanced courses.
Most Improved (top 10)

		1994	1993
Name		Class	Result	Result	Improvement

Sharon Evans	F21	50.2	35.8	+40%
Andy Staatz	M35	107.9	92.1	+17%
Janet Halsebo	F35	55.3	47.4	+17%
Gary Carpenter	M45	81.5	70.8	+15%
Peter Graube	M40	57.6	50.8	+13%
Penny DeMoss	F40	86.6	77.3	+12%
Karen Sessler	F21	52.4	47.6	+10%
Gary Kraght	M40	82.5	75.3	+10%
Dan Greene	M21	63.3	58.0	+9%
Michael Percy	M21	56.9	52.3	+9%

Consistency (top 12)

Calculation: 1 / normalized standard deviation of scores

Name			Class	Consistency	Events

Stuart Taylor		M21	34		4
Ron Hudson		M45	28		5
Lars Borg		M40	26		3
James Scarborough	M20	23		4
Michael Schumacher	M21	23		4
Andy Freeberg		M35	21		4
Joe Scarborough		M55	18		4
Bruce Wolfe		M40	17		5
Dan Greene		M21	17		9
Kent Ohlund		M35	15		12
Penny DeMoss		F40	15		8
Steve Smith		M45	15		4


Highlights of the Orange Results


Orange Course Rankings

					Typical # of 94
Rank	Name			Result	Time	Events	93 Rank
1	Alan Mathews		1033	58:04	3	
2	Ramana Yerneni		1024	58:36	3	
3	Sarah Minarik		943	63:36	5	
4	Oleg Shakhnovsky	902	66:32	3	
5	Rick Boyer		894	67:08	4	7
6	Michael Poulsen		879	68:13	3	
7	Brian Battuello		828	72:27	6	
8	Mike Landucci		809	74:07	3	18
9	Anthony Pinkham		808.41	74:13.2	3	10
10	Franziska Haag		808.36	74:13.4	6	14
11	Bill Straka		798	75:08	3	
12	Keith Krieger & 
	 Darcy Richardson	784	76:33	3	
13	Marsha Jacobs		774	77:31	4	15
14	Jasper Wu		756	79:21	4	
15	Paul Li			751	79:55	4	16
16	Lisa Wylie		732	81:57	3	19
17	Joe Papendick		717	83:39	3	
18	Alan Kamas		688	87:15	5	
19	Chris H. Comfort	679	88:23	4	
20	Jeff Lanam		674	89:00	6	17
21	Robert Rich		663	90:28	3	
22	Kathy Tappers & 
	 Brian Frew		656	91:30	3	
23	Eleanor Gross-Lightfoot	654	91:45	8	
24	Jon Gibbons & 
	 Steve Papa		641	93:38	3	
25	Leslie Minarik		639	93:53	3	
26	Steve Minniear		628	95:32	3	
27	Jascha Lee		625	96:02	3	
28	Ken Livak		619	96:55	4	
29	Meg Gerstner		593	101:06	6	
30	Jasper Wu & 
	 Reggie Dugard		592	101:23	3	
31	Carolyn & Chris Cobey	570.3	105:12	3	
32	Don Harrington		569.5	105:21	3	
33	Valerie Doyle		539	111:24	3	
34	Nancy Lindeman		513	116:55	7	22
35	Carol Irwin		417	143:55	3	
36	Marc Bernstein		349	171:47	3	
37	Lisa Gattuso & 
	 Meg Gerstner		331	181:32	3	


Most Improved Orange Orienteers

1993 Orange Competitors

1993			1994	1994
Orange			Adv.	Adv.
Rank	Name		Rank	Score
10	Tony Pinkham	63 (13)	45.3
11	Dwight Freund	64 (4)	44.7
3	Patty Clemo	68 (3)	38.5
17	Jeff Lanam	73 (14)	32.0
12	Steve Beuerman	75 (15)	31.1
22	Nancy Lindeman	81 (1)	24.5

1994 Orange Competitors

1994			1994	1994
Orange			Adv.	Adv.
Rank	Name		Rank	Score
6	Michael Poulsen	41 (10)	60.2
7	Brian Battuello	60 (12)	47.8
9	Tony Pinkham	63 (13)	45.3
13	Marsha Jacobs	67 (1)	40.9
32	Don Harrington	71 (1)	32.6
20	Jeff Lanam	73 (14)	32.0
21	Robert Rich	78 (18)	28.5
34	Nancy Lindeman	81 (1)	24.5


Advanced Course Difficulties

GV	Event Description

6631	Huddart Jan 16 1994 GREEN  4.3 Km 400 Meter Climb 12 Controls
7883	Huddart Jan 16 1994 RED  5.4  Km 470 Meter Climb 14 Controls
9352	Huddart Jan 16 1994 BLUE  6.3 Km 540 Meter Climb 16 Controls
4166	Shell Ridge Feb 13 1994 GREEN  COURSE  4.5km 265m 12 controls
5896	Shell Ridge Feb 13 1994 RED COURSE  5.6km 390m 13 controls
7562	Shell Ridge Feb 13 1994 BLUE  COURSE  7.6km 490m 16 controls
6022	Las Trampas Feb. 27 1994 Green 3.8 km 300 m 9 controls
7099	Las Trampas Feb. 27 1994 Red  4.6 km 340 m 12 controls
8436	Las Trampas Feb. 27 1994 Blue  5.7 km 420 m 14 controls
4088	Calero Reservoir March 13, 1994 Brown Course 3.8 km 260 m 8 controls
5422	Calero Reservoir March 13, 1994 Green Course 5.0 km 310 m 10 controls
8472	Calero Reservoir March 13, 1994 Red Course 6.8 km 375 m 16 controls
4305	Annadel Mar 27 1994 Brown  3.1 k
5776	Annadel Mar 27 1994 Green  4.3 k
8182	Annadel Mar 27 1994 Red  6.1 k
10565	Annadel Mar 27 1994 Blue  7.7 k
4830	Sunol Apr 10 1994 Brown
4407	Sunol Apr 10 1994 Green
6451	Sunol Apr 10 1994 Red
8549	Sunol Apr 10 1994 Blue
5227	Indian Valley April 24 1994 Green course  3.8 km 280 m climb  8 controls  
6617	Indian Valley April 24 1994 Red course  4.9 km 360 m climb 11 controls  
8952	Indian Valley April 24 1994 Blue course  6.2 km 480 m climb 15 controls
7158	Doton's Point May 1 1994 Green  5.5 km 100 m
10089	Doton's Point May 1 1994 Blue  8.4 km 160 m
4536	Joseph Grant May 22, 1994 Brown course  3.5 km 230 m climb 9 controls
5482	Joseph Grant May 22, 1994 Green course  4.3 km 260 m climb 10 controls
6494	Joseph Grant May 22, 1994 Red course  5.5 km 335 m climb 13 controls
8725	Joseph Grant May 22, 1994 Blue course  6.9 km 440 m climb 17 controls
4556	Nisene Marks June 19, 1994 Brown  3.1 km  170 m  9 controls
6718	Nisene Marks June 19, 1994 Green  3.8 km  250 m  9 controls
11115	Nisene Marks June 19, 1994 Red  5.2 km  315 m  13 controls
5576	Boreal Ridge, August 21, 1994 Green 4.8km, 150m 10 controls
7275	Boreal Ridge, August 21, 1994 Red 6.5km 240m 11 controls
8375	Boreal Ridge, August 21, 1994 Blue 8.1km 305m 15 controls
5761	China Camp, October 16, 1994, Green 4.7 k 322 m
7761	China Camp, October 16, 1994, Red 5.5 k 387 m
7459	China Camp, October 16, 1994, Blue 6.3 k 427 m
6814	BIG BASIN BLUE Sunday, October 23, 1994  5.2 km 345 m 12 controls
7127	BIG BASIN RED Sunday, October 23, 1994  4.2 km 300 m 12 controls
5469	BIG BASIN GREEN Sunday, October 23, 1994  3.7 km 260 m 10 controls
10243	Briones 11/6/94 BLUE / 6.1 km, 530 m, 12 controls
8816	Briones 11/6/94 RED / 5.2 km, 460 m, 11 controls
6929	Briones 11/6/94 GREEN / 4.9 km, 380 m, 10 controls
5062	Briones 11/6/94 BROWN / 3.9 km, 270 m, 8 controls
3897	Spring Lake 11/20/94 Brown, 3.82 km. 185 m 10 controls
6507	Bon Tempe 12/17/94 Red Course 5.3K 300m climb 13 controls
6114	Bon Tempe 12/18/94 Red Course 5.3K 300m climb 13 controls
3170	Bon Tempe 12/17/94 Brown Course 3.2K 190m climb 9 controls
2694	Bon Tempe 12/18/94 Brown Course 3.2K 190m climb 9 controls


Orange Course Difficulties

GV	Event Description

84251	Huddart, Jan. 16, 1994 ORANGE 2.9 Km, 310 Meter Climb, 10 Controls  
63528	Shell Ridge, Feb. 13, 1994, ORANGE 3.8 km 245 m 10 controls
84660	Las Trampas, Feb. 27, 1994 Orange 3.1 km 200 m 8 controls
68331	Calero Reservoir March 13, 1994 Orange Course 4.0 km 210 m 9 controls
69288	Annadel 3/27/94, Orange 4.0 k
77047	Sunol, Apr. 10, 1994 Orange  3.8 km 210m
63906	Indian Valley, April 24, 1994, Orange 3.3 km, 215 m, 10 controls
54386	Doton's Point, May 1, 1994 Orange 4.3 km
61822	Joseph Grant 5/22/94 Orange 3.1 km, 165 m climb 10 controls
72164	Joaquin Miller, June 4, 1994 Orange
61552	Boreal, August 21, 1994, Orange 3.2 km 140 m 10 controls
80810	Morgan Territory, Sept. 25, 1994 Orange 4.3 km, 700 feet, 11 Controls
66279	Rossmoor Bar, Oct. 9, 1994 Orange 4.2 km 20m 11 controls
71641	China Camp, October 16, 1994 Orange 4.0 k 220 m
89236	BIG BASIN October 23, 1994 ORANGE 3.0 km 245 m 9 controls
62845	Briones 11/6/94  ORANGE / 3.0 km, 220 m, 8 controls
79851	Spring Lake 11/94 Orange, 4.1 km. 205 m. 10 controls
40726	Bon Tempe 12/17/94 Yellow/Orange Course 3.1K 120m climb 8 controls

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