2025 Club Standings

2025 San Diego Backgammon Club rankings through February 19, 2025.
For previous year’s standings, see: 2023 and 2024 final rankings.

RANK

PLAYER

MATCH WINS

MATCH LOSSES

WIN PCT

z-score

EVENTS

1ST PLACE FINISHES

2ND PLACE FINISHES

3RD PLACE FINISHES

Elo

SDBC Ranking Points

1

Frank Frigo

26

9

74.29%

2.9

13

3

1

0

    1,983

70

2

Michael Pines

22

13

62.86%

1.5

12

1

3.5

1.5

    1,664

68

3

Roger Alves

21

6

77.78%

2.9

8

2

0

2.5

    1,698

55

4

Allen Tish

19

9

67.86%

1.9

8

1

2

1

    1,825

51

5

Sam Rishmawi

17

7

70.83%

2.0

6

1

1

2

    1,660

45

6

Jamshid

13

8

61.90%

1.1

7

1.5

1

1

    1,668

43

7

Masoud Sadrieh

17

12

58.62%

0.9

10

0

1.5

2.5

    1,577

39

8

Justin Sheftell

18

13

58.06%

0.9

12

0.5

1.5

0

    1,716

36

9

Blake Beber

15

9

62.50%

1.2

8

1

0

2

    1,756

35

10

Raid Westin

15

12

55.56%

0.6

9

1

1

0

    1,583

35

11

Kutaiba Almukhtar

17

22

43.59%

-0.8

14

1

0

1

    1,525

33

12

Matt Schoonmaker

9

3

75.00%

1.7

4

1.5

0.5

0

    1,792

31

13

Erik Kipperman

10

5

66.67%

1.3

5

1

1

0

    1,492

30

14

Abbas Anvar

16

18

47.06%

-0.3

12

0

0

2.5

    1,580

26

15

Manny Armesto

12

15

44.44%

-0.6

10

0

1

0.5

    1,470

22

16

Kevin Duc

9

6

60.00%

0.8

5

0

1

1

    1,577

21

17

Fahri Cimen

9

9

50.00%

0.0

6

0

1

1

    1,541

21

18

Mark Weiner

13

17

43.33%

-0.7

12

0

1

0

    1,671

21

19

David Gray

13

10

56.52%

0.6

9

0.5

0

0

    1,733

19

20

Victor Mizrachi

7

8

46.67%

-0.3

6

1

0

0

    1,425

19

21

Jon Vietor

8

6

57.14%

0.5

6

0.5

0.5

0

    1,788

18

22

David Brown

5

2

71.43%

1.1

2

1

0

0

    1,511

17

23

Anthony Niakiani

5

5

50.00%

0.0

4

1

0

0

    1,847

17

24

Kubilay “Koby” Ugurlu

13

15

46.43%

-0.4

10

0

0

1

    1,684

17

25

Dorn Bishop

4

0

100.00%

2.0

1

1

0

0

    1,729

16

26

Isaac Cook

4

0

100.00%

2.0

1

1

0

0

    1,569

16

27

Edna Pines

5

12

29.41%

-1.7

7

0

1

0

    1,266

13

28

Steve Miller

3

1

75.00%

1.0

1

0

1

0

    1,711

11

29

Bijan Rahmani

7

6

53.85%

0.3

4

0

0

1

    1,612

11

30

Charles Schleicher

6

3

66.67%

1.0

3

0

0

1

    1,394

10

31

Tom Cox

5

5

50.00%

0.0

4

0

0.5

0

    1,573

9

32

Matthew Farjo

9

15

37.50%

-1.2

8

0

0

0

    1,466

9

33

Avo Fronjian

8

12

40.00%

-0.9

9

0

0

0

    1,614

8

34

Saad Mahfoodah

2

1

66.67%

0.6

1

0

0.5

0

    1,550

6

35

Alexsander Tamari

5

6

45.45%

-0.3

3

0

0

0

    1,320

5

36

Zee

5

8

38.46%

-0.8

5

0

0

0

    1,511

5

37

Abby Ackerman

5

9

35.71%

-1.1

5

0

0

0

    1,433

5

38

Paul Palomino

5

11

31.25%

-1.5

6

0

0

0

    1,427

5

39

Tom Keisler

4

2

66.67%

0.8

2

0

0

0

    1,660

4

40

Mike Stern

4

3

57.14%

0.4

3

0

0

0

    1,555

4

41

Ryan Healey

4

11

26.67%

-1.8

7

0

0

0

    1,444

4

42

Victoria Healey

3

8

27.27%

-1.5

5

0

0

0

    1,353

3

43

Mona Mazza

2

1

66.67%

0.6

1

0

0

0

    1,532

2

44

Daniel  Friedman

2

1

66.67%

0.6

1

0

0

0

    1,529

2

45

Victor Elkind

2

1

66.67%

0.6

1

0

0

0

    1,510

2

46

Lornie Kuhle

2

2

50.00%

0.0

1

0

0

0

    1,600

2

47

Richard Tucker

2

2

50.00%

0.0

1

0

0

0

    1,497

2

48

Jimmy Campbell

2

2

50.00%

0.0

2

0

0

0

    1,495

2

49

Cliff Johnston

2

3

40.00%

-0.4

2

0

0

0

    1,496

2

50

Amin Mazaeri

2

3

40.00%

-0.4

2

0

0

0

    1,476

2

51

Osvaldo Topete

2

4

33.33%

-0.8

2

0

0

0

    1,379

2

52

Shayan Sombolestani

2

4

33.33%

-0.8

3

0

0

0

    1,361

2

53

Dan Brown

2

4

33.33%

-0.8

2

0

0

0

    1,306

2

54

Andrew Stoen

2

6

25.00%

-1.4

4

0

0

0

    1,415

2

55

Colin Baehman

2

13

13.33%

-2.8

7

0

0

0

    1,307

2

56

Ali B.

1

1

50.00%

0.0

1

0

0

0

    1,638

1

57

Robert Burns

1

1

50.00%

0.0

1

0

0

0

    1,565

1

58

Chanin Tangtartharakul

1

1

50.00%

0.0

1

0

0

0

    1,548

1

59

Kavin Tangtartharakul

1

1

50.00%

0.0

1

0

0

0

    1,512

1

60

Mike Schnur

1

1

50.00%

0.0

1

0

0

0

    1,506

1

61

Susanne Tucker

1

1

50.00%

0.0

1

0

0

0

    1,505

1

62

Anita Elkind

1

1

50.00%

0.0

1

0

0

0

    1,493

1

63

Juan Alvarado

1

1

50.00%

0.0

1

0

0

0

    1,486

1

64

Katina T.

1

1

50.00%

0.0

1

0

0

0

    1,446

1

65

Nagy Nosseir

1

1

50.00%

0.0

1

0

0

0

    1,419

1

66

Karam Khalaf

1

1

50.00%

0.0

1

0

0

0

    1,368

1

67

Kevin Creps

1

2

33.33%

-0.6

1

0

0

0

    1,527

1

68

Mauricio

1

2

33.33%

-0.6

1

0

0

0

    1,486

1

69

Ali Kahani

1

2

33.33%

-0.6

1

0

0

0

    1,480

1

70

Steve Schraibman

1

2

33.33%

-0.6

1

0

0

0

    1,467

1

71

Jeff Ackerman

1

2

33.33%

-0.6

1

0

0

0

    1,434

1

72

Sam Mahood

1

2

33.33%

-0.6

2

0

0

0

    1,430

1

73

Kyle Harman

1

3

25.00%

-1.0

2

0

0

0

    1,466

1

74

Kiska Higgs

1

3

25.00%

-1.0

2

0

0

0

    1,441

1

75

Krista Hansen

1

3

25.00%

-1.0

2

0

0

0

    1,348

1

76

Noah Mayeda

1

5

16.67%

-1.6

3

0

0

0

    1,420

1

77

Nancy  Friedman

0

1

0.00%

-1.0

1

0

0

0

    1,477

0

78

Santiago Pinon

0

2

0.00%

-1.4

1

0

0

0

    1,494

0

79

Ellie Ackerman

0

2

0.00%

-1.4

1

0

0

0

    1,472

0

80

Regan Lambeth

0

2

0.00%

-1.4

1

0

0

0

    1,459

0

81

Alex Goldsborough

0

2

0.00%

-1.4

1

0

0

0

    1,459

0

82

Ian Elkind

0

2

0.00%

-1.4

1

0

0

0

    1,459

0

83

Jay Srion

0

2

0.00%

-1.4

1

0

0

0

    1,458

0

84

Tim Hallisay

0

2

0.00%

-1.4

1

0

0

0

    1,458

0

85

Duke S

0

2

0.00%

-1.4

1

0

0

0

    1,455

0

86

Mustafa Shaikh

0

2

0.00%

-1.4

1

0

0

0

    1,454

0

87

Jeffrey Light

0

2

0.00%

-1.4

1

0

0

0

    1,398

0

88

Jen Brown

0

2

0.00%

-1.4

1

0

0

0

    1,379

0

89

Buffy Zehnder

0

2

0.00%

-1.4

1

0

0

0

    1,336

0

90

Byron Georgiou

0

2

0.00%

-1.4

1

0

0

0

    1,323

0

91

Jordan Ramsey

0

2

0.00%

-1.4

1

0

0

0

    1,305

0

Z-SCORE – a statistic used to measure results more accurately with consideration of total matches played, and reflects the number of standard deviations from the mean performance.  The mean is assumed to be a 50/50 coin flip.

SDBG RANKING POINTS – Each match win is worth 1 point. For a standard sixteen person bracket, 1st place receives 12 points, 2nd place receives 8 points, and 3rd place receives 4 points. Splits of 1st/2nd each receive 10 points, and splits of 3rd each receive 2 points. For an eight person bracket, ranking points for 1st/2nd/3rd are halved. Forfeited matches and byes are not scored.

Elo – A rating system that measures the relative strength of a player. A player’s Elo rating increases when they win, and decreases when they lose. The amount of the increase/decrease depends on the strength of their opponent, how long the match is (e.g. 7 points or 5 points), and how many matches the player has played. The difference in Elo ratings between two players can estimate each player’s win chances in the match based on a formula. For example, a player whose rating is 100 points greater than their opponent’s is expected to win a 7 point match 58% of the time. Every player starts with a rating of 1500.

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