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July 2023

Ladder for 1 Jul 2023 to 31 Jul 2023

Online statistics for 1 Jul 2023 to 31 Jul 2023

We have calculated various ladders for online play on RealBridge sessions hosted by the Auckland Bridge Club for the period 1 Jul 2023 to 31 Jul 2023. You needed to have played a certain number of times to be listed in the ladder. There are more details at the end about how the calculation is performed, and what is included. This is still an experimental feature. It will continue to evolve.

Please let us know (realbridge@akbc.co.nz) if you spot any problems or have any suggestions.

 
Open Ladder
Rank Name Number Club Played Average1
1 A♠ Patrick Carter 3775 Auckland 7 64.35%
2 A Mark Robertson 35545 Auckland 12 61.40%
3 A Graham Wakefield 17525 Auckland 5 60.96%
4 A♣ John Buckleton 25761 Auckland 15 60.92%
5 K♠ Douglas Russell 15492 Auckland 11 60.06%
6 K Sylvester Riddell 14427 Auckland 9 59.82%
7 K Peter Ramsey 43711 Napier 5 59.20%
7 K Sharon Mosley 64879 Akarana 5 59.20%
9 Q♠ Ray Kingston 9878 Auckland 10 58.44%
10 Q Thomas Freeman-Greene 51590 Auckland 5 56.94%
11 Q Rosa Mishkin 9309 Kairangi 10 56.37%
12 Q♣ Kate Ramsay 15423 Invercargill 5 55.96%
13 J♠ Judith Chandler 9758 Auckland 8 55.65%
14 J Cheryl Winsor 10588 Howick 8 55.47%
15 J Trudy Lange 10107 Auckland 14 55.28%
16 J♣ Anthony Wilson 31057 7 55.25%
17 Rona Driscoll 19976 Taupo 9 55.07%
18 Pauline Andrews 1608 Auckland 12 54.97%
19 Md Faisal Alam 26807 Howick 5 54.88%
20 Carol Minchin 12176 Nelson 6 54.87%
21 Christine Wilson 31091 North Shore 12 54.57%
22 Cynthia Clayton 13263 Hamilton 11 54.51%
23 John Driscoll 33587 Taupo 5 54.50%
24 Felicity Hannay 3671 Waiheke 5 54.24%
25 Rachael Goffin 20151 Auckland 7 54.22%
26 Anne Gelb 7057 Auckland 14 54.06%
27 Diana Easson 36412 Invercargill 5 54.00%
28 Fiona Moon 30514 Auckland 19 53.69%
29 William Leach 4318 Mt Albert 8 53.68%
30 Janet Barnard 1997 Auckland 7 53.65%
31 Diane Groom 28237 Richmond 5 53.47%
31 Shirley Lattimore 58103 Christchurch 5 53.47%
33 Ian Clayton 4161 Hamilton 6 53.36%
34 Pam Bannatyne 25503 Masterton 6 53.31%
35 Gay Bradbury 2863 Auckland 13 53.28%
36 Ruth Allison 58502 Nelson 5 52.87%
37 Thelma Burd 32380 Hamilton 8 52.85%
37 Duncan White 18466 Hamilton 8 52.85%
39 Pamela Marsland 26367 Akarana 5 52.62%
40 Chris Fleming 30408 Auckland 16 52.40%
41 Cathy Carroll 31068 Waiheke 14 52.11%
42 Sandy Connon 46498 Victoria 6 52.07%
43 Ian Beattie 32124 Christchurch 16 52.04%
44 Carol Joseph 32272 Auckland 8 51.85%
45 Heather Robertson 42382 Auckland 11 51.67%
46 Jill Patterson 31186 Waiheke 8 51.60%
47 Sara Worth 3548 None 15 51.57%
48 Anita Thirtle 52043 Wanganui 5 51.44%
49 Hilda Burgess 24313 Victoria 8 51.39%
50 Terry Cain 19882 Christchurch 12 51.19%
51 Valerie Gardiner 29595 Akarana 6 51.14%
52 Peter Hensman 8262 Auckland 5 51.00%
53 Graeme Prentice 29680 Christchurch 5 50.95%
54 Jacinda Manconi 32978 Mt Albert 6 50.66%
55 Lynn Hall 9586 Masterton 6 50.65%
56 Jillian Ramsey 10632 Havelock North 8 50.54%
57 Lee Moselen 40370 Auckland 7 50.38%
58 Anna Powell 1514 Auckland 5 50.32%
59 Dianne Benvie 23123 Auckland 14 50.30%
60 Elizabeth Grieve 7446 Auckland 6 50.20%
61 Nicky Bowers 25766 Auckland 9 50.14%
62 Jessica Morris 37607 Auckland 6 50.11%
 
Intermediate/Junior Ladder
Rank Name Number Club Played Average1
1 A♠ Thomas Freeman-Greene 51590 Auckland 5 56.94%
2 A Kate Ramsay 15423 Invercargill 5 55.96%
3 A Diana Easson 36412 Invercargill 5 54.00%
4 A♣ Fiona Moon 30514 Auckland 19 53.69%
5 K♠ William Leach 4318 Mt Albert 8 53.68%
6 K Thelma Burd 32380 Hamilton 8 52.85%
6 K Duncan White 18466 Hamilton 8 52.85%
8 K♣ Chris Fleming 30408 Auckland 16 52.40%
9 Q♠ Cathy Carroll 31068 Waiheke 14 52.11%
10 Q Sandy Connon 46498 Victoria 6 52.07%
11 Q Ian Beattie 32124 Christchurch 16 52.04%
12 Q♣ Heather Robertson 42382 Auckland 11 51.67%
13 J♠ Jill Patterson 31186 Waiheke 8 51.60%
14 J Sara Worth 3548 None 15 51.57%
15 J Hilda Burgess 24313 Victoria 8 51.39%
16 J♣ Terry Cain 19882 Christchurch 12 51.19%
17 Graeme Prentice 29680 Christchurch 5 50.95%
18 Jacinda Manconi 32978 Mt Albert 6 50.66%
19 Jillian Ramsey 10632 Havelock North 8 50.54%
20 Lee Moselen 40370 Auckland 7 50.38%
21 Anna Powell 1514 Auckland 5 50.32%
22 Jessica Morris 37607 Auckland 6 50.11%
23 Takayo Yanagisawa 36064 Auckland 12 49.95%
24 Brenda Campbell 31209 Waiheke 9 49.74%
25 Kerri McCrae 3653 Auckland 6 49.46%
26 Julia Thomas 27847 Christchurch 7 49.40%
27 Christina Hyde 52449 Waiheke 6 49.12%
27 Jennifer Beecroft 50796 Waiheke 6 49.12%
29 Suzy Hails 48051 Mt Albert 5 49.07%
30 Bryan Travers 46325 Howick 7 48.98%
31 Bev Penny 33324 Hastings 6 48.20%
32 Susan Wedde 20104 Auckland 7 48.10%
 
Junior Ladder
Rank Name Number Club Played Average1
1 A♠ Thomas Freeman-Greene 51590 Auckland 5 56.94%
2 A Sara Worth 3548 None 15 51.57%
3 A Brenda Campbell 31209 Waiheke 9 49.74%
4 A♣ Christina Hyde 52449 Waiheke 6 49.12%
4 A♣ Jennifer Beecroft 50796 Waiheke 6 49.12%
6 K Bryan Travers 46325 Howick 7 48.98%
7 K Cecilia Lim 38073 Howick 8 47.35%
8 K♣ Elizabeth Gollan 51587 Auckland 9 46.72%
 
 
Statistics for all boards:
Percentage when declarer: (11087) 51.08%
  ... percentage that made: (7319 of 11087) 66.01%
  ... when Opener holds at least 16 hcp: (2570) 50.26%
  ... when opened but most didn't: (365) 53.11%
  ... when Opener preempted: (1182) 52.40%
  ... was preempted when most didn't: (466) 53.64%
  ... when Declarer is distributional3: (1366 hands) 52.31%
  ... when in a unique contract: (2581) 45.94%
Percentage score when on opening lead: (11131) 48.92%
  ... when leading from a sequence4: (1458) 47.82%
  ... when leading trumps4: (353) 48.60%
  ... when trumps was the only right lead4: (6/150)
  ... when leading a singleton4: (676) 53.96%
  ... when leading a doubleton4: (417) 54.12%
  ... when leading passively4: (2586) 49.59%
  ... when leading actively4: (5597) 47.92%
Highest HCP: A AQ83 AKQ83 AK7 [link]
QJ5 AK AQ96 AKQJ [link]
AKQ4 KJ7 AKQ54 A (26 hcp)
Freakiest Hand: - AQJ6542 - A87632 [link] (6.5)
Beer cards won: (22)
 
Who was dealt the MOST high card points on average?
Rank Name Hands Average HCP
1 A♠ Robyn Freeman-Greene 132 10.69
2 A Bev Guilford 100 10.65
3 A Carol Minchin 160 10.63
4 A♣ Kay Nicholas 118 10.53
5 K♠ Jan Bennett 123 10.52
6 K Beverley Morris 106 10.52
7 K Patrick Carter 174 10.51
8 K♣ Ian Beattie 409 10.51
9 Q♠ Graham Wakefield 157 10.50
10 Q Diana Easson 120 10.45
11 Q Thomas Freeman-Greene 143 10.44
12 Q♣ Jennifer Beecroft 236 10.43
13 J♠ Zachary Yan 150 10.41
14 J Sandy Connon 160 10.36
15 J Jacinda Manconi 164 10.35
16 J♣ Ruth Allison 136 10.35

 

Who was dealt the LEAST high card points on average?
Rank Name Hands Average HCP
1 A♠ Ming High 123 9.22
2 A Hilda Burgess 218 9.42
3 A Graham Potter 124 9.44
4 A♣ Peter Hensman 164 9.48
5 K♠ Cynthia Clayton 274 9.48
6 K Heather Robertson 272 9.49
7 K Jackie Humphrey 117 9.51
8 K♣ Lachie Shea 103 9.52
9 Q♠ Dianne Evans 231 9.53
10 Q Lucian Gabriel 102 9.54
11 Q Richard Brookes 104 9.55
12 Q♣ Pauline Andrews 294 9.55
13 J♠ Cynthia Singh 209 9.57
14 J Dianne Benvie 357 9.57
15 J Maureen Piper 137 9.58
16 J♣ Marie Milsum 105 9.58
 
Who was declares most frequently?
Rank Name Total Hands Percent as Declarer
1 A♠ Duncan White 192 41.15%
2 A Thomas Freeman-Greene 142 38.03%
3 A Graham Wakefield 155 37.42%
4 A♣ Gary Swift 117 34.19%
5 K♠ Peter Ramsey 147 34.01%
6 K Sita Monaghan 136 33.82%
7 K Robyn Freeman-Greene 131 32.82%
8 K♣ Jessica Morris 194 32.47%
9 Q♠ Ian Beattie 407 32.43%
10 Q William Leach 245 32.24%
11 Q Lachie Shea 103 32.04%
12 Q♣ Jacinda Manconi 164 31.71%
13 J♠ Ruth Allison 136 31.62%
14 J Patrick Carter 174 31.03%
15 J Cheryl Winsor 269 30.86%
16 J♣ Felicity Hannay 229 30.13%
 
Frequency Declarer Is Making
This table is not just about play - it also relects bidding. There are two good ways to get on this table: (1) by being a great declarer, (2) by being a sound bidder; there are two bad ways to get on this table: (1) by being a chronic underbidder, and (2) by never sacrificing. Regardless of which category you fall into, it is better to be higher than lower in the ranking.
Rank Name Making Total Percent
1 A♠ Kerri McCrae 22 26 84.62%
1 A♠ Heather Whineray 22 26 84.62%
3 A Graham Wakefield 49 58 84.48%
4 A♣ Zachary Yan 32 38 84.21%
5 K♠ Md Faisal Alam 28 34 82.35%
6 K Rona Driscoll 50 61 81.97%
7 K Trudy Lange 66 81 81.48%
7 K Diana Easson 22 27 81.48%
9 Q♠ Debbie Cooper 29 36 80.56%
10 Q Pam Bannatyne 32 40 80.00%
11 Q Ray Kingston 47 59 79.66%
12 Q♣ Graeme Prentice 27 34 79.41%
13 J♠ Herman Yuan 23 29 79.31%
14 J Julie Atkinson 25 32 78.13%
15 J Mark Robertson 70 90 77.78%
15 J Ian Clayton 21 27 77.78%
17 Sylvester Riddell 51 66 77.27%
18 Cynthia Clayton 50 65 76.92%
19 Diane Groom 23 30 76.67%
20 Dave Almond 29 38 76.32%
21 Rachael Goffin 38 50 76.00%
22 Jude Wood 25 33 75.76%
23 Bev Penny 24 32 75.00%
24 Anthony Wilson 91 122 74.59%
25 George Kaul 20 27 74.07%
26 Peter Ramsey 37 50 74.00%
27 Jennifer Beecroft 50 68 73.53%
28 Alan Dormer 27 37 72.97%
29 Christina Hyde 40 55 72.73%
30 Pamela Marsland 21 29 72.41%
31 Patrick Carter 39 54 72.22%
32 Ruth Allison 31 43 72.09%
33 Leah Andrews 18 25 72.00%
34 Hilda Burgess 30 42 71.43%
35 Jacinda Manconi 37 52 71.15%
36 Kay Cunneen 27 38 71.05%
37 Derek Bartosh 22 31 70.97%
38 Janet Barnard 39 55 70.91%
39 Carol Minchin 29 41 70.73%
40 Rosa Mishkin 60 85 70.59%
41 Gay Bradbury 76 108 70.37%
41 Penny McRobie 19 27 70.37%
43 Pauline Andrews 45 64 70.31%
44 Jan Hough 21 30 70.00%
44 Helen Smith 28 40 70.00%
44 Dale Lacey 21 30 70.00%
47 Ian Beattie 92 132 69.70%
47 Marilyn Jackson 23 33 69.70%
49 Dianne Evans 32 46 69.57%
49 Cynthia Singh 32 46 69.57%
 
Double Dummy Declarer Success
This table shows how many tricks a declarer takes compared to double dummy play, given the actual lead. A figure of +1.0 for example would mean that on average the declarer takes one more trick than the double dummy result.
PositionNameHandsAverage
1 A♠ Yuzhong Chen 28 +0.36
2 A Graham Wakefield 58 +0.33
3 A Herman Yuan 29 +0.28
4 A♣ Ian Clayton 27 +0.22
5 K♠ Patrick Carter 54 +0.20
6 K Peter Hensman 40 +0.20
7 K Zachary Yan 38 +0.18
8 K♣ Cynthia Clayton 65 +0.14
9 Q♠ John Buckleton 126 +0.13
10 Q Julie Atkinson 32 +0.13
11 Q Marilyn Jackson 33 +0.12
12 Q♣ Diana Easson 27 +0.11
13 J♠ Dale Lacey 30 +0.10
14 J Daisy Lu 32 +0.09
15 J Lachie Shea 33 +0.09
16 J♣ George Kaul 27 +0.07
17 Pauline Andrews 64 +0.06
18 Dorothy Bain 33 +0.06
19 Jan Bennett 27 +0.04
20 Janet Barnard 55 +0.04
21 Sylvester Riddell 66 +0.03
22 Md Faisal Alam 34 +0.03
23 Cheryl Winsor 83 +0.02
24 Douglas Russell 85 +0.01
25 Cathy Carroll 93 +0.00
25 Lynn Hall 41 +0.00
25 Bev Penny 32 +0.00
25 Derek Bartosh 31 +0.00
25 Jeremy Fraser-Hoskin 25 +0.00
 
Double Dummy Defender Success
This table shows how many tricks you and your partner take in defence compared to double dummy play, given the actual lead. A figure of +1.0 for example would mean that on average the defender takes one more trick than the double dummy result.
PositionNameHandsAverage
1 A♠ Monique Shephard 44 +0.70
2 A Jeremy Fraser-Hoskin 35 +0.66
3 A Carolyn Guthrie 54 +0.57
3 A Virginia Stuart 54 +0.57
5 K♠ Rosheen Gray 42 +0.55
5 K♠ Judy Caldwell 42 +0.55
7 K Graham Wakefield 59 +0.54
8 K♣ Zachary Yan 75 +0.53
9 Q♠ Deborah Tangney 29 +0.52
10 Q Julie Atkinson 34 +0.50
10 Q Jenny Lavoipierre 36 +0.50
10 Q Paul Lavoipierre 36 +0.50
13 J♠ Mark Robertson 144 +0.49
14 J Karen Smith 25 +0.48
15 J Sophie Kranz 44 +0.48
16 J♣ Sandy Connon 82 +0.48
17 Ruth Allison 57 +0.47
18 Richard Brookes 55 +0.47
19 Sylvester Riddell 127 +0.47
20 Gopi Nayar 81 +0.47
21 Md Faisal Alam 62 +0.47
22 Thomas Freeman-Greene 52 +0.46
23 Jennifer Beecroft 109 +0.46
23 Christina Hyde 109 +0.46
25 Paula Boughey 31 +0.45
25 Terry Neal 31 +0.45
25 Carol Cornelius 31 +0.45
28 Neil Horsfield 76 +0.45
29 Sita Monaghan 72 +0.44
30 John Burns 39 +0.44
31 Leah Andrews 53 +0.43
32 Jon Free 30 +0.43
33 John Khouri 65 +0.43
34 Anita Thirtle 70 +0.43
34 Clare Cryer 49 +0.43
34 Jo McKeown 42 +0.43
34 Beth Henderson 42 +0.43
38 Jackie Humphrey 68 +0.43
39 Cheryl Winsor 120 +0.43
40 Jackie Taylor 26 +0.42
41 George Kaul 60 +0.42
42 Carol Minchin 73 +0.41
43 Katherine Griffith 59 +0.41
44 Ella Gray 35 +0.40
45 Jacinda Manconi 82 +0.39
46 Anna Powell 59 +0.39
47 Douglas Russell 164 +0.38
48 Maree Cudby 27 +0.37
49 Zheng Zhang 41 +0.37
50 Patrick Carter 63 +0.37
 
 
Contract Success
This table shows declarer's success in various contracts.
ContractFrequency% MadeAverage Score
4X 8 87.50% 87.50%
1X 2 100.00% 86.93%
7 9 100.00% 82.96%
3X 7 57.14% 70.00%
3NX 4 75.00% 70.00%
1 94 85.11% 58.38%
6N 101 67.33% 58.34%
2X 11 36.36% 58.18%
7N 6 66.67% 57.68%
1X 3 66.67% 56.78%
3N 1718 73.52% 54.28%
1 41 73.17% 53.90%
6 78 57.69% 53.67%
2 108 77.78% 53.28%
2 795 72.58% 53.27%
1N 712 74.02% 52.97%
4 1186 67.12% 52.89%
2 613 71.13% 52.37%
6 36 52.78% 51.91%
6 18 55.56% 51.84%
4 1476 66.26% 51.76%
1 37 70.27% 51.64%
6 116 63.79% 51.34%
5 189 53.97% 51.11%
4N 26 57.69% 51.03%
 
Passed Out 44 100.00% 48.57%
Part Score 5413 66.67% 50.11%
Game+ 5674 65.39% 52.01%
Slam 363 59.78% 52.68%
Grand Slam 16 81.25% 68.30%
Doubled 447 27.29% 42.85%
Redoubled 3 33.33% 33.33%
 
 
Double Dummy Opening Lead Success Rate
This table shows how often you make an opening lead that does not cost a trick for the defence, double dummy. Hands where every card leads to the same result are not counted.
PositionNameGood leadsTotalPercent
1 A♠ Penny McRobie 25 27 92.59%
2 A Kevin Birch 24 27 88.89%
3 A Chris Fleming 53 61 86.89%
4 A♣ Arch Jelley 29 34 85.29%
4 A♣ Cynthia Singh 29 34 85.29%
6 K Diana Easson 23 27 85.19%
7 K Anita Thirtle 21 25 84.00%
8 K♣ Ray Kingston 38 46 82.61%
9 Q♠ Jillian Ramsey 37 45 82.22%
10 Q Rosa Mishkin 60 73 82.19%
11 Q Jude Wood 23 28 82.14%
11 Q Neil Horsfield 23 28 82.14%
13 J♠ Christina Hyde 35 43 81.40%
13 J♠ Jennifer Beecroft 35 43 81.40%
15 J Sylvester Riddell 39 48 81.25%
16 J♣ Terry Cain 42 52 80.77%
16 Dorothy Bain 21 26 80.77%
18 Nicky Bowers 54 67 80.60%
19 Pam Whitehead 28 35 80.00%
19 Anna Wall 20 25 80.00%
19 Ian Clayton 24 30 80.00%
22 Julia Thomas 23 29 79.31%
23 Gopi Nayar 28 36 77.78%
24 Elizabeth Grieve 24 31 77.42%
24 Sandy Connon 24 31 77.42%
24 Susan Steedman 24 31 77.42%
27 Carol Joseph 37 48 77.08%
28 Kate Ramsay 20 26 76.92%
28 Md Faisal Alam 20 26 76.92%
30 Elizabeth Gollan 39 51 76.47%
31 Susan Macken 45 59 76.27%
32 Suzy Hails 22 29 75.86%
32 Zachary Yan 22 29 75.86%
34 Gay Bradbury 72 95 75.79%
35 Dong Gao Bi 25 33 75.76%
36 Hilda Burgess 34 45 75.56%
37 Christine Wilson 58 77 75.32%
38 Dianne Evans 33 44 75.00%
38 Cynthia Clayton 39 52 75.00%
40 Ian Beattie 50 67 74.63%
41 Sita Monaghan 20 27 74.07%
42 Dianne Benvie 71 96 73.96%
43 John Buckleton 64 87 73.56%
44 Felicity Hannay 33 45 73.33%
44 Brian Craig 22 30 73.33%
44 John Khouri 22 30 73.33%
44 Jan Bennett 22 30 73.33%
48 Heather Robertson 38 52 73.08%
49 Jody Burchall 32 44 72.73%
49 Cecilia Lim 24 33 72.73%
 
 
Opening Bid Success Rates
This table shows the average outcome for each opening bid for the opening side.
OpeningCountFrequencyAverage Result
1 2177 19.64% 50.02%
1 2029 18.30% 49.65%
1 1557 14.04% 49.96%
1 2013 18.16% 50.75%
1N 1753 15.81% 52.35%
2 182 1.64% 53.15%
2 412 3.72% 52.15%
2 236 2.13% 51.74%
2 273 2.46% 51.01%
2N 137 1.24% 50.62%
3 78 0.70% 51.86%
3 74 0.67% 52.83%
3 66 0.60% 50.72%
3 30 0.27% 49.43%
3N 3 0.03% 39.06%
4 3 0.03% 85.31%
4 2 0.02% 84.38%
4 33 0.30% 55.61%
4 24 0.22% 54.63%
5 2 0.02% 80.00%
5 3 0.03% 62.92%
 

1 For the ladder: you need to have played at least 5 times in Open sessions during the period to be listed. For every 2 extra sessions you play above that you get to drop your lowest score, e.g. if you play 9 times your worst 2 scores are discarded and the best 7 are averaged, or if you play 15 times your worst 5 scores are discarded and the best 10 are averaged. Only those sessions where you played with a partner with the same grade or higher are included because we want to encourage players to play with lower graded friends without affecting their average. Only sessions where you played at least 10 boards are included. Some sessions are harder than others but we aren't adjusting for that. Supervised/Beginner/Learner sessions aren't included. For monthly emails we show just the top 50. On the website we show a more complete ladder - those with an average equal to or higher than: 50% (Open), 47.5% (Intermediate), and 45% (Junior). Matches scored in X-IMPS/IMPS are converted to a percentage using the formula used by the EBU National Grading System.

2 For multi-session results the position shown is the overall position for all the sessions played up to that point.

3 Distributional means having a 7+ card suit or a void.

4 Leads are imperfectly classified into leads of trumps, a sequence (eg QJ10 or QJ9 not Q109), a singleton or low doubleton vs. a suit contract, passive (a suit headed by the 10 or lower), or active (anything else). No account is taken (currently) of the bidding: whether you have led the unbid suit, partner's suit, or obeyed a lead directing double, etc.

5 [link] links to the actual hand in RealBridge, [BSOL] links to the hand in BridgeSolverOnline - click the highlighted contract in the makeable contracts table and the lead success will be calculated, your lead shows with an asterisk.

To send feedback email realbridge@akbc.co.nz; to contact the principal director email director@akbc.co.nz

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