Data 9XA1 Main

One Spade vs. Four Spades

by Richard Pavlicek

First seat, any HCP

Found 29 comparisons in 40,069 deals from 72 major events 1996-2014.
First and last, and all swings of 5+ IMPs in between, are shown here.
Deals are rotated as needed to align comparison criteria to N-S.

1. 2013 BB Qual, Rd 15, Bd 4			West Smirnov 3 Pass Lead A J 2 3	North Zimmermann 1 4 2nd 4 5 Q 2	East Piekarek 2 Pass 3rd 3 4 Q J	South Multon 2 NT Pass 4th 3 7 10 K	West Helgemo Pass Lead K	North Rehder 4 2nd 3	East Helness Pass 3rd 4	South Gromoeller Pass 4th A
N deals Both vul	K J 9 8 6 3 2 — A J 10 9 7 5
10 7 K 8 6 3 Q 8 4 2 K 10 2		5 A Q J 10 5 2 K 7 J 9 8 3
7B375 7B376 42A57 42A56 Par NS +500	A Q 4 9 7 4 6 5 3 A Q 6 4
1 opening 4 North +1 +650 = 0	4 opening   4 North +1   +650 = 0

4. 2012 WC Qual, Rd 1, Bd 13			West Lorenzini Pass 3 Pass Lead A J K 4 Q K 9 3 8	North LiV 1 2 Pass 4 2nd 4 5 2 8 2 5 2 4 2	East Rombaut Pass 2 NT 4 Dbl 3rd 5 3 6 K 6 4 7 9 Q	South Lung 1 NT Pass Pass All Pass 4th 7 A 8 A 5 3 10 7 A	West Fung Dbl Pass Lead 5 7 2 8	North Bompis 4 Pass Pass 2nd 3 A 5 2	East Cheung Pass 5 3rd K 4 Q 2	South Quantin Pass Pass 4th J 5 4 6
N deals Both vul	A K 10 7 6 4 2 4 K J 9 8 7
Q 9 8 3 A Q 10 3 A 10 6 3 5		J J 9 8 6 2 5 2 A K 10 3 2
58366 = 85A67 = Par EW +500	5 K 7 5 Q 7 4 Q J 9 8 6 4
1 opening 4 × North -3 -800  0	4 opening   5 East -5   +500 +16 16

7. 2012 WC Qtrfinal, Seg 2, Bd 31			West Upmark 2 Pass Lead 10 A K A 2	North Zia 1 4 2nd 2 9 J 6 J	East Nystrom Pass Pass 3rd Q 6 3 5 K	South Hamman 2 Pass 4th 3 4 7 10 Q	West Meckstroth Dbl Lead 10 A A K 2	North Bertheau 4 Pass 2nd 2 3 J J 6	East Rodwell Pass Pass 3rd Q 6 7 4 K	South Cullin Pass Pass 4th 9 4 10 7 Q
N deals N-S vul	A K J 8 7 6 3 2 J 9 3 J 6 —
— A K Q 8 5 A 8 4 2 K 5 3 2		9 4 10 6 K 9 7 5 3 9 8 7 4
38214 = 41BC9 41AB8 Par EW +920	Q 10 5 7 4 2 Q 10 A Q J 10 6
1 opening 4 North -2 -200 +7 7	4 opening   4 × North -2   -500  16

8. 2012 WC Qtrfinal, Seg 3, Bd 33			West Nystrom 2 Pass Lead A K A K K 7	North Hamman 1 4 2nd 3 6 4 9 7 Q	East Upmark Dbl Pass 3rd 4 7 7 3 2 A	South Zia Pass Pass 4th J 2 10 Q A 4	West Rodwell Pass Lead A K 8 10 5 A K J K	North Cullin 4 Pass 2nd 3 6 7 Q 4 4 9 2 J	East Meckstroth Dbl 3rd 7 4 Q A K 7 2 3	South Bertheau Pass 4th J 2 A 3 3 10 Q 7
N deals None vul	A K J 8 6 5 3 2 J K 10 8 Q
Q 10 10 8 7 4 A 6 4 K 10 8 7		9 4 A K 5 2 J 7 A J 6 5 2
5A474 = 53959 = Par NS +300	7 Q 9 6 3 Q 9 5 3 2 9 4 3
1 opening 4 North = +420  7	4 opening   4 × North =   +590 +5 21

9. 2012 Spingold Qtrfinal, Seg 3, Bd 40			West Drijver 4 Pass Lead 5 5 Q 9 J 10	North Rodwell 1 4 5 2nd 8 K 6 4 2 8	East Brink 2 5 All Pass 3rd J A 2 Q 3 J	South Meckstroth 3 Pass 4th 2 3 7 3 Q 2	West Weinstein Pass Lead A A	North Verhees 4 Pass 2nd 3 3	East Levin 5 3rd 2 2	South v.Prooijen Pass 4th 4 K
N deals None vul	K J 9 7 5 4 2 2 A 6 5 3 K
10 3 A K Q J 4 3 4 2 J 5 2		— 7 6 5 K Q 9 8 A Q 10 9 7 4
19061 = 54C7C = Par EW +500	A Q 8 6 10 9 8 J 10 7 8 6 3
1 opening 5 North -2 -100 +8 15	4 opening   5 East +1   -420  21

11. 2012 USBC Qtrfinal, Seg 6, Bd 78			West Cohler 3 NT Lead K 5 4 6 J	North Meckstroth 1 Pass 2nd 3 2 10 2 Q	East Spector Dbl Pass 3rd 5 A Q K K	South Rodwell Pass Pass 4th A 7 3 J A	West Zia Pass Lead K A 4 K 2 J	North Hurd 4 Pass 2nd 7 10 J 3 A	East Hamman Dbl 3rd 6 5 Q 5 3	South Wooldridge Pass 4th 3 2 2 A 4
N deals None vul	K J 9 8 7 6 4 2 A 3 2 J 5
A Q 10 K 10 7 2 Q 6 5 Q 9 7		3 J 6 3 A K 9 8 4 A K 10 8
16211 = C7BCC B6BCC Par EW +990	5 Q 9 8 5 4 J 10 7 6 4 3 2
1 opening 3 NT West +3 -490 +7 22	4 opening   4 × North -4   -800  21

13. 2011 BB Qual, Rd 20, Bd 18			West Martens Pass Pass Lead K 2 K 7 K 10 Q Q	North Haraldsson 1 2 2nd 4 K 4 3 6 Q A 8	East Jassem Pass Pass 3rd 7 J 2 A J 5 6 3	South MagnussonM 1 NT Pass 4th A 4 A 5 J 5 8 5	West Baldursson Pass Lead K 2 5 K 7 A 6 9 Q	North Kalita 4 2nd 4 8 K 4 3 5 3 3 A	East JonssonT Pass 3rd 7 10 J 2 K J 2 7	South Gawrys Pass 4th 5 J 8 A 4 J 5 6
N deals E-W vul	Q 10 9 7 6 5 2 A J 5 A J 7
— 10 7 3 Q 8 3 2 Q 9 8 6 5 4		A K 8 4 3 K Q 6 2 K 5 J 3
78675 = 64768 = Par NS +110	J 9 8 4 10 9 7 6 4 A K 10 2
1 opening 2 North +1 +140 +5 27	4 opening   4 North -1   -50  21

15. 2011 BB Qual, Rd 6, Bd 29			West Verhees Pass Pass Pass Pass Lead 5 4 K 9	North Gosney 1 2 3 4 5 2nd 3 A A 3	East v.Prooijen Pass Pass Pass Pass All Pass 3rd 2 K 2	South Edgtton 2 2 NT 4 5 4th 9 3 10	West Hans Pass Pass Lead A K Q A K 3 J	North de Wijs 4 5 Pass 2nd K A 2 6 7 9	East Nunn Pass Pass Pass 3rd 9 2 5 10 10 Q	South Muller 4 NT 6 4th 4 9 8 5 8 5
N deals Both vul	A K 10 7 6 5 3 10 Q 10 9 7 4
J 9 2 Q J 7 6 2 Q 9 8 5 3		8 8 5 K J 7 6 5 A J 10 6 2
8C984 8B974 31349 = Par NS +1100	Q 4 A K 9 4 3 2 A 8 4 3 K
1 opening 5 North = +650 +13 43	4 opening   6 North -2   -200  21

16. 2011 BB Qual, Rd 20, Bd 28			West JonssonT Pass 4 NT All Pass Lead J 3 K 7 J J 2 10 5	North Gawrys 1 4 Pass 2nd 2 4 4 8 Q K 6 9 3	East Baldursson Dbl Pass 5 3rd 5 A 2 A 9 4 7 2 J	South Kalita 2 Pass Dbl 4th 8 5 3 6 9 3 Q 10 K	West Jassem Pass Lead 2 A K 4 5 Q 4 7	North MagnussonM 4 2nd 5 8 Q 9 4 K 10 9	East Martens Pass 3rd 6 2 6 10 3 A Q A	South Haraldsson Pass 4th 8 6 2 5 7 3 K 3
N deals E-W vul	A K 9 7 5 4 3 Q J 8 Q 6 3 —
— 6 4 3 A J 10 5 2 8 6 4 3 2		Q 8 K 9 7 2 K 7 A Q J 9 7
AA552 AA642 32679 3277A Par NS +200	J 10 6 2 A 10 5 9 8 4 K 10 5
1 opening 5 × East -1 +200  43	4 opening   4 North =   +420 +6 27

17. 2011 USBC Semifinal, Seg 6, Bd 81			West Schermer 4 NT Pass Dbl Lead Q 5 9 Q 9 4 2 A	North Platnick 1 Pass 6 All Pass 2nd A K 8 2 10 Q 5 4	East Chambers Pass 5 Pass 3rd 3 A 5 2 K A 3 6	South Diamond 2 Pass Pass 4th 7 2 10 3 6 3 7 8	West Hampson 4 NT Pass Dbl Lead 3 2 8 Q K 7	North Welland 4 Pass 5 All Pass 2nd 4 5 3 A 10 9	East Greco Pass 5 Pass 3rd Q 2 K 5 J 9	South Bramley Pass 5 Pass 4th A 8 A 9 2 3
N deals None vul	K Q J 10 7 6 4 9 7 A 10 9 2 —
5 3 — K Q 8 7 6 A K Q 5 4 3		A 9 Q J 10 J 5 3 J 9 7 6 2
48A31 49B31 732AB = Par NS +100	8 2 A K 8 6 5 4 3 2 4 10 8
1 opening 6 × North -4 -800  43	4 opening   5 × North -2   -300 +11 38

19. 2010 Spingold Final, Seg 3, Bd 41			West Sontag 3 Dbl Lead 4 K 9 K 5	North Moss 1 3 All Pass 2nd K 8 5 A 9	East Berkowitz 2 5 3rd A 2 J 5	South Gitelman Pass 5 4th 7 4 2 J	West Hampson Pass Lead 4 K 10 5 K	North Fantoni 4 2nd Q 8 J 3 2	East Greco Pass 3rd A 3 Q A 6	South Nunes Pass 4th 7 4 A J
N deals E-W vul	A K Q 8 4 2 J 8 J 8 7 6 5
10 9 7 3 10 5 A K J 6 5 A 9		J K Q 8 7 3 2 Q 10 7 3 2 4
5932B = 63AA2 = Par NS +200	6 5 A 9 6 4 9 4 K Q 10 3 2
1 opening 5 × North -2 -300  43	4 opening   4 North =   +420 +12 50

20. 2010 Spingold Rd of 32, Seg 1, Bd 3			West Klukowski 3 Pass Lead J 7 K 7 J 10 K A	North Jacobs 1 3 Pass 2nd A 3 2 4 8 2 Q Q	East Markowicz Pass Pass Pass 3rd 8 A 8 A 4 K 6 6	South Beatty 2 4 4th 5 6 2 5 Q 5 2 3	West El Ahmady 5 Pass Lead A Q A A J 7 10 A K	North Kowalski 4 Pass Pass 2nd 2 6 8 3 5 8 3 5 Q	East Sadek Pass Pass Pass 3rd 8 4 5 7 5 4 10 6 9	South Melman Pass Dbl 4th 2 K 4 6 9 6 2 3
N deals E-W vul	A K 10 9 5 4 3 7 6 Q 5 Q 5
— Q 10 9 8 5 3 2 K 8 A K 7 4		Q 6 2 4 J 10 9 6 4 10 9 8 6
99564 9A564 33879 33868 Par NS +420	J 8 7 A K J A 7 3 2 J 3 2
1 opening 4 North -1 -50  43	4 opening   5 × West -3   +800 +13 63

21. 2010 Vanderbilt Semifinal, Seg 1, Bd 8			West Becker Pass Pass Lead 6 Q 6 A Q 4 K	North Helgemo 1 2 3 2nd 3 5 5 7 A 7	East Strul 2 Pass All Pass 3rd 5 6 K 10 2 9	South Helness Pass 2 NT 4th 9 8 8 2 3 2	West Zimmermann Pass Lead 5 J 7 A 4	North Brogeland 4 2nd 6 6 2 2 5	East Multon Pass 3rd 8 3 Q 4 A	South Saelensminde Pass 4th Q A 3 6 J
N deals None vul	K J 10 9 8 7 2 10 6 Q K J 2
A 5 4 J 8 7 4 8 7 A 8 7 6		6 A Q 9 5 K 10 5 4 3 2 Q 4
79558 = 53875 = Par NS +140	Q 3 K 3 2 A J 9 6 10 9 5 3
1 opening 3 North +1 +170 +6 49	4 opening   4 North -1   -50  63

23. 2004 Olympiad Rd of 16, Seg 3, Bd 43			West Hanlon 3 NT Lead 10 4 2 A 5 3 8 A 8 K Q	North Nystrom 1 Pass 2nd 6 7 6 9 Q 7 3 10 6 9 10	East McGann 2 Pass 3rd 3 A 8 7 3 Q K 10 A 2 5	South Bertheau Pass Pass 4th K 6 K 4 7 5 9 2 4 J J	West Lindkvist Pass Lead A K A 3 8 K A 5 A	North Carroll 4 2nd 3 6 6 9 3 9 10 5 7	East Fredin Pass 3rd 10 8 9 6 Q 2 5 Q 8	South Garvey Pass 4th 7 2 4 7 4 6 7 J K
N deals None vul	A J 10 8 5 3 2 K 5 7 10 9 4
K 7 4 Q 8 10 8 4 A K Q 5 2		Q 9 6 A 9 4 3 2 A K 5 2 8
45444 = 98989 98999 Par EW +400	— J 10 7 6 Q J 9 6 3 J 7 6 3
1 opening 3 NT West +2 -460  49	4 opening   4 North -5   -250 +5 68

25. 2004 Olympiad Qual, Rd 16, Bd 13			West Fitzgibbon Pass Dbl Lead 8 3 5 2 Q J 6 K K 6	North Winkler 1 2 Pass 2nd A 4 6 K 7 9 10 10 4 7	East Mesbur Pass Pass 3 3rd 2 J K A 4 7 J 3 3 10	South Dumbovich 1 NT Pass All Pass 4th 5 10 A 3 4 5 9 2 5 Q	West Szalay Pass Lead 4 A 3 3 Q K J 7 4	North Hanlon 4 2nd Q 10 A A 5 10 5 3 8	East Macskasy Pass 3rd 3 4 6 9 8 6 5 8 9	South McGann Pass 4th 2 5 9 2 7 7 9 8 K
N deals Both vul	K Q J 7 6 4 2 2 A 4 J 7 4
A 10 9 7 3 K Q 8 7 3 K 6 2		10 9 5 K 5 4 J 9 5 A 10 8 3
6A655 = 43787 = Par NS +620	8 3 A Q J 8 6 10 6 2 Q 9 5
1 opening 3 East -2 +200  49	4 opening   4 North =   +620 +9 77

26. 2001 USBC Semifinal, Seg 4, Bd 57			West Martel 3 Pass Lead 6 K 10 3 7 A	North Meckstroth 1 4 Pass 2nd 5 Q 10 2 J 4	East Stansby Pass Dbl 3rd A 3 8 A K 9	South Rodwell 3 Pass 4th 8 7 J 4 2 3	West Hamman 4 NT Pass 6 Lead 10 2 K Q 4 K 5 Q A	North Larsen 4 Pass Pass All Pass 2nd A 7 2 3 6 6 10 8 3	East Soloway Pass 5 Dbl 3rd 4 9 9 8 8 7 Q 7 3	South Meltzer Pass 5 Pass 4th 4 10 2 A 2 5 3 4 5
N deals E-W vul	K Q J 10 7 6 5 3 K 10 3 Q 8 —
— Q J 9 6 5 4 A K 10 9 4 2 6		A 8 2 8 2 6 3 A J 10 9 3 2
69335 = 43987 = Par NS +140	9 4 A 7 J 7 5 K Q 8 7 5 4
1 opening 4 × North -2 -300  49	4 opening   6 West -4   +400 +12 89

29. 1996 Olympiad Final, Seg 8, Bd 125			West Levy Pass Pass Lead 7 A 7 4	North Sakul 1 3 NT Pass 2nd 4 5 2 6	East Mouiel Pass Pass Pass 3rd K 5 J A	South Karwur 1 NT 4 4th 8 9 3 9	West Watulingas Pass Lead 4 5 4	North Multon 4 2nd 3 2 6	East Panelewen Pass 3rd 10 J A	South Szwarc Pass 4th Q 3 9
N deals Both vul	A K Q 10 8 7 5 Q 2 J 6 5 8
6 3 10 8 5 K Q 8 2 A K 3 2		9 2 J 7 6 4 A 4 3 10 7 6 5
79766 79776 33656 = Par NS +140	J 4 A K 9 3 10 9 7 Q J 9 4
1 opening 4 North +2 +680 +2 51	4 opening   4 North =   +620  91

Data 9XA1 Main

Top One Spade vs. Four Spades

© 2014 Richard Pavlicek