Riga Invites to Jurmala - 2010 Invitational tournament

Baltic Beach Hotel, August 18, 2010

Results of round 4.

Table	NS		EW		IMPs
Table	NS		EW		NS	EW
1	Ksenia Nekrasova Ivan Volozhenin		Maija Romanovska Karlis Rubins		4	-4
2	Dmitri Prokhorov Vadim Kholomeev		Ilia Feranchuk Igor Godun		10	-10
3	Kauko Koistinen Clas Nyberg		Ugis Jansons Maris Matisons		-16	16
4	Peteris Bethers Uldis Bethers		Sergei Volkov Andrey Shudnev		-18	18
5	Evgeny Gladysh Mikhael Krasnosselski		Ben Hayes Janis Neimanis		1	-1
6	Olga Galaktionova Sergei Stolbovski		Vitautas Vainikonis Woitek Olanski		8	-8
7	Janis Bendiks Bruno Rubenis		Elena Alfejeva Sergei Birins		-14	14
8	Mart Maastik Jaan Linnamagi		Goran Hammarstrom Anders Palmgren		-18	18
9	Andrejs Milgravis Gints Rubenis		Jurijs Balasovs Janis Maurins		21	-21
10	Erikas Vainikonis Andrey Orlovich		Lasse Utter Osmo Parviainen		25	-25
11	Simon Bech Fredrik Alfredsson		Hannes Linnamagi Tanel Koivupuu		-1	1
12	H-P.Puck Jakov Kats		Janis Ozols Janis Romanovskis		11	-11

DLR: N		VUL: Both
	A64
	J54
	J9854
	J6
Q98	13	5
KQ973		A106
Q		AK106
KQ32		A9875
	KJ10732
	82
	732
	104

Makeable tricks for each denomination and each hand under assumption of optimal play and defense:
	NT							NT
N	0	5	0	4	0		E	7	7	12	9	12
S	0	5	0	4	0		W	10	7	12	9	12
minimax = 6 W, -1430

TBL	NS	EW	CONT	BY	LEAD	TR	SCORE	NS	EW
1	18	23	6	E	10	=	-1370	-5	5
2	16	24	4	E	K	+2	-680	10	-10
3	3	7	6	W	A	=	-1430	-6	6
4	12	17	6	W	4	=	-1430	-6	6
5	15	21	6	E	Q	+1	-1390	-6	6
6	10	6	4	E	J	+2	-680	10	-10
7	14	9	6	W	A	=	-1430	-6	6
8	2	20	6	E	3	+1	-1460	-7	7
9	11	13	3NT	W	4	-2	200	16	-16
10	5	4	4	W	5	+3	-710	10	-10
11	19	1	6	W	A	=	-1430	-6	6
12	22	8	5	E	6	+1	-620	11	-11

DLR: E		VUL: None
	J9753
	K97
	A
	A1092
2	14	K106
A432		J85
K106		Q953
QJ874		K53
	AQ84
	Q106
	J8742
	6

Makeable tricks for each denomination and each hand under assumption of optimal play and defense:
	NT							NT
N	9	11	8	8	7		E	4	1	4	5	6
S	9	11	8	8	7		W	4	1	4	5	6
minimax = 4 N, +450

TBL	NS	EW	CONT	BY	LEAD	TR	SCORE	NS	EW
1	18	23	4	N	3	=	420	2	-2
2	16	24	4	N	2	=	420	2	-2
3	3	7	4x	S	Q	-1	-100	-10	10
4	12	17	4	N	K	-1	-50	-9	9
5	15	21	3	N	A	+3	230	-3	3
6	10	6	4	N	3	=	420	2	-2
7	14	9	3	W	3	-2	100	-6	6
8	2	20	3	N	3	=	140	-5	5
9	11	13	4x	N	2	=	590	6	-6
10	5	4	4	N	6	=	420	2	-2
11	19	1	4	S	Q	=	420	2	-2
12	22	8	4x	N	3	+1	690	8	-8

DLR: S		VUL: NS
	97
	65
	AQ106542
	82
10843	15	J2
KJ72		Q109843
KJ93		7
6		AKJ9
	AKQ65
	A
	8
	Q107543

Makeable tricks for each denomination and each hand under assumption of optimal play and defense:
	NT							NT
N	6	8	4	9	9		E	6	5	9	3	4
S	6	8	4	9	9		W	6	4	9	3	4
minimax = 3 E, -140

TBL	NS	EW	CONT	BY	LEAD	TR	SCORE	NS	EW
1	18	23	4x	E	Q	-1	100	1	-1
2	16	24	4	E	K	-1	50	-1	1
3	3	7	5x	E	A	-2	300	6	-6
4	12	17	4	E	A	-1	50	-1	1
5	15	21	4x	W	Q	-1	100	1	-1
6	10	6	4	E	A	-1	50	-1	1
7	14	9	4	E	Q	-1	50	-1	1
8	2	20	5	N	A	-1	-100	-5	5
9	11	13	4x	E	A	-1	100	1	-1
10	5	4	4x	E	A	-1	100	1	-1
11	19	1	5x	N	K	-2	-500	-11	11
12	22	8	4	S	K	-1	-100	-5	5

DLR: W		VUL: EW
	763
	105
	1074
	A10953
AKQ842	16	10
J2		KQ84
9		KQ82
8764		KQJ2
	J95
	A9763
	AJ653
	--

Makeable tricks for each denomination and each hand under assumption of optimal play and defense:
	NT							NT
N	3	3	5	6	4		E	9	10	8	6	9
S	3	3	5	6	4		W	9	9	7	6	9
minimax = 4 E, -620

TBL	NS	EW	CONT	BY	LEAD	TR	SCORE	NS	EW
1	18	23	3x	S	A	-2	-300	6	-6
2	16	24	3NT	E	5	=	-600	-1	1
3	3	7	5x	S	A	-4	-800	-6	6
4	12	17	3NT	E	5	+1	-630	-2	2
5	15	21	2	E	Q	+2	-170	9	-9
6	10	6	3NT	E	3	+2	-660	-3	3
7	14	9	3NT	E	6	=	-600	-1	1
8	2	20	3NT	E	6	=	-600	-1	1
9	11	13	3NT	E	5	+1	-630	-2	2
10	5	4	3NT	E	5	-1	100	12	-12
11	19	1	4NT xx	E	3	-1	400	14	-14
12	22	8	3NT	E	6	+2	-660	-3	3