Opatija 2019 — player statistics

Four double-dummy measures per player plus bidding activity, over every board they played, and an opponent-adjusted (strength-of-schedule) Butler. Each table lists all players and is sortable by any column. Double-dummy is idealised — the true best play needs all four hands — so read these as tendencies, not verdicts.

Butler vs double-dummy par↑ top

IMPs per board scored above (+) or below (−) the board’s minimax par — what real bidding and play (theirs and the opponents’) added or gave away against perfect double-dummy play. Players with few boards are greyed. Click a column header to sort; filter by name or team.

#	Player	Team	Boards	/board	Total
1	Z.Gao	SXMARS	86	+1.91	+164.0
2	N.Lang	SXMARS	130	+0.70	+91.0
3	X.Zhang	SXSATURN	102	+0.52	+53.0
4	Z.Lu	SXSATURN	102	+0.51	+52.0
5	Z.Xie	SXVENUS	116	+0.41	+48.0
6	S.Li	SXSATURN	130	+0.40	+52.0
7	K.Kuflowski	POLAND	114	+0.39	+44.0
8	F.Kurlit	POLAND	114	+0.39	+44.0
9	J.Yang	SXVENUS	72	+0.36	+26.0
10	F.Yu	SXMARS	116	+0.22	+25.0
11	Y.Fu	SXMARS	130	+0.18	+23.0
12	L.Kasperczyk	POLAND	74	+0.12	+9.0
13	M.Stasik	POLAND	74	+0.12	+9.0
14	T.Tang	SXSATURN	86	+0.06	+5.0
15	H.Shen	SXMARS	86	-0.14	-12.0
16	L.Ciborowska	POLAND	100	-0.34	-34.0
17	K.Ciborowski	POLAND	100	-0.34	-34.0
18	Y.Wu	SXSATURN	72	-0.43	-31.0
19	F.Lin	SXVENUS	116	-0.44	-51.0
20	H.Jiang	SXVENUS	72	-0.62	-45.0
21	S.Ma	SXVENUS	72	-0.75	-54.0
22	J.Wang	SXVENUS	72	-0.89	-64.0
23	Z.Chang	RDFZ BRIDGE STRAIT	16	+1.25	+20.0
24	Z.Sun	RDFZ BRIDGE STRAIT	16	+1.25	+20.0
25	M.Roches	EYE OF THE TIGER	32	+1.16	+37.0
26	P.Tchoulkine	EYE OF THE TIGER	32	+1.16	+37.0
27	J.Bakhshi	SHARKS	32	+1.00	+32.0
28	M.Bertheau	SHARKS	32	+1.00	+32.0
29	Z.Tian	SXSATURN	28	-0.04	-1.0
30	Y.Jiang	SHSLLS1	32	-0.25	-8.0
31	N.Xu	SHSLLS1	32	-0.25	-8.0
32	X.Lin	RDFZ BRIDGE STRAIT	16	-0.69	-11.0
33	Z.Wang	RDFZ BRIDGE STRAIT	16	-0.69	-11.0
34	C.Bens	EYE OF THE TIGER	32	-0.78	-25.0
35	L.Bonin	EYE OF THE TIGER	32	-0.78	-25.0
36	M.Xu	SHSLLS1	32	-1.03	-33.0
37	S.Yang	SHSLLS1	32	-1.03	-33.0
38	A.Brogeland	SHARKS	32	-1.62	-52.0
39	A.Landsvik	SHARKS	32	-1.62	-52.0
40	Z.Wang	SXMARS	28	-2.25	-63.0
41	J.Huang	RDFZ BRIDGE STRAIT	32	-2.75	-88.0
42	Z.Zhuo	RDFZ BRIDGE STRAIT	32	-2.75	-88.0

Opening-lead accuracy↑ top

How often a player’s opening lead held declarer to the same tricks as the best defensive lead double-dummy. Players with few boards are greyed. Click a column header to sort; filter by name or team.

#	Player	Team	Leads	On target	Conceded
1	F.Kurlit	POLAND	24	95.8%	0.04
2	T.Tang	SXSATURN	19	94.7%	0.05
3	S.Li	SXSATURN	31	90.3%	0.10
4	H.Shen	SXMARS	19	89.5%	0.10
5	J.Wang	SXVENUS	19	89.5%	0.10
6	Z.Lu	SXSATURN	28	89.3%	0.11
7	J.Yang	SXVENUS	15	86.7%	0.27
8	Y.Fu	SXMARS	29	86.2%	0.14
9	F.Lin	SXVENUS	27	85.2%	0.15
10	Z.Gao	SXMARS	22	81.8%	0.18
11	Z.Xie	SXVENUS	30	80.0%	0.20
12	M.Stasik	POLAND	20	80.0%	0.20
13	K.Kuflowski	POLAND	23	78.3%	0.26
14	K.Ciborowski	POLAND	32	78.1%	0.22
15	X.Zhang	SXSATURN	22	77.3%	0.27
16	N.Lang	SXMARS	29	75.9%	0.24
17	F.Yu	SXMARS	38	71.1%	0.34
18	L.Ciborowska	POLAND	30	70.0%	0.33
19	S.Ma	SXVENUS	13	69.2%	0.39
20	H.Jiang	SXVENUS	16	68.8%	0.31
21	L.Kasperczyk	POLAND	20	65.0%	0.40
22	Y.Wu	SXSATURN	12	58.3%	0.42
23	M.Roches	EYE OF THE TIGER	1	100.0%	0.00
24	M.Bertheau	SHARKS	10	100.0%	0.00
25	Z.Chang	RDFZ BRIDGE STRAIT	4	100.0%	0.00
26	Y.Jiang	SHSLLS1	7	100.0%	0.00
27	J.Huang	RDFZ BRIDGE STRAIT	6	100.0%	0.00
28	Z.Zhuo	RDFZ BRIDGE STRAIT	6	100.0%	0.00
29	Z.Tian	SXSATURN	10	90.0%	0.10
30	N.Xu	SHSLLS1	9	88.9%	0.11
31	P.Tchoulkine	EYE OF THE TIGER	16	87.5%	0.19
32	Z.Sun	RDFZ BRIDGE STRAIT	6	83.3%	0.17
33	X.Lin	RDFZ BRIDGE STRAIT	5	80.0%	0.20
34	A.Brogeland	SHARKS	10	80.0%	0.30
35	A.Landsvik	SHARKS	8	75.0%	0.25
36	L.Bonin	EYE OF THE TIGER	8	75.0%	0.25
37	Z.Wang	RDFZ BRIDGE STRAIT	8	75.0%	0.38
38	C.Bens	EYE OF THE TIGER	11	72.7%	0.27
39	Z.Wang	SXMARS	7	71.4%	0.29
40	M.Xu	SHSLLS1	10	60.0%	0.40
41	J.Bakhshi	SHARKS	8	50.0%	0.88
42	S.Yang	SHSLLS1	6	16.7%	1.33

Declarer-play accuracy↑ top

How often declarer took at least the double-dummy makeable tricks after the actual opening lead — i.e. didn’t leave tricks on the table. Players with few boards are greyed. Click a column header to sort; filter by name or team.

#	Player	Team	Contracts	On target	Conceded
1	J.Wang	SXVENUS	22	86.4%	0.18
2	K.Kuflowski	POLAND	35	82.9%	0.29
3	N.Lang	SXMARS	29	82.8%	0.28
4	M.Stasik	POLAND	25	80.0%	0.24
5	H.Jiang	SXVENUS	10	80.0%	0.30
6	L.Kasperczyk	POLAND	9	77.8%	0.22
7	H.Shen	SXMARS	27	77.8%	0.26
8	Y.Fu	SXMARS	35	77.1%	0.26
9	Y.Wu	SXSATURN	17	76.5%	0.23
10	T.Tang	SXSATURN	23	73.9%	0.39
11	Z.Gao	SXMARS	19	73.7%	0.37
12	X.Zhang	SXSATURN	33	72.7%	0.42
13	K.Ciborowski	POLAND	18	72.2%	0.28
14	S.Ma	SXVENUS	25	72.0%	0.32
15	F.Kurlit	POLAND	31	71.0%	0.35
16	Z.Lu	SXSATURN	31	71.0%	0.42
17	F.Yu	SXMARS	26	69.2%	0.31
18	F.Lin	SXVENUS	39	69.2%	0.36
19	Z.Xie	SXVENUS	29	69.0%	0.38
20	S.Li	SXSATURN	32	62.5%	0.44
21	J.Yang	SXVENUS	15	60.0%	0.40
22	L.Ciborowska	POLAND	20	60.0%	0.50
23	M.Roches	EYE OF THE TIGER	4	100.0%	0.00
24	Z.Sun	RDFZ BRIDGE STRAIT	3	100.0%	0.00
25	Z.Tian	SXSATURN	1	100.0%	0.00
26	Z.Wang	RDFZ BRIDGE STRAIT	1	100.0%	0.00
27	J.Huang	RDFZ BRIDGE STRAIT	13	92.3%	0.15
28	J.Bakhshi	SHARKS	7	85.7%	0.14
29	M.Bertheau	SHARKS	7	85.7%	0.14
30	M.Xu	SHSLLS1	7	85.7%	0.14
31	Z.Zhuo	RDFZ BRIDGE STRAIT	6	83.3%	0.33
32	P.Tchoulkine	EYE OF THE TIGER	11	81.8%	0.18
33	C.Bens	EYE OF THE TIGER	5	80.0%	0.20
34	Y.Jiang	SHSLLS1	5	80.0%	0.20
35	A.Landsvik	SHARKS	8	75.0%	0.25
36	L.Bonin	EYE OF THE TIGER	7	71.4%	0.29
37	A.Brogeland	SHARKS	6	66.7%	0.33
38	Z.Chang	RDFZ BRIDGE STRAIT	3	66.7%	0.33
39	S.Yang	SHSLLS1	9	66.7%	0.33
40	N.Xu	SHSLLS1	11	63.6%	0.55
41	Z.Wang	SXMARS	8	62.5%	0.50
42	X.Lin	RDFZ BRIDGE STRAIT	2	50.0%	0.50

Defensive accuracy↑ top

How often the defenders held declarer to the double-dummy makeable (or fewer) — charged to both defenders on the board. Players with few boards are greyed. Click a column header to sort; filter by name or team.

#	Player	Team	Boards	On target	Conceded
1	Z.Lu	SXSATURN	44	90.9%	0.14
2	T.Tang	SXSATURN	38	89.5%	0.10
3	Y.Wu	SXSATURN	36	88.9%	0.17
4	N.Lang	SXMARS	72	86.1%	0.14
5	H.Shen	SXMARS	35	85.7%	0.17
6	L.Kasperczyk	POLAND	40	85.0%	0.15
7	M.Stasik	POLAND	40	85.0%	0.15
8	F.Yu	SXMARS	61	83.6%	0.16
9	F.Lin	SXVENUS	51	82.4%	0.20
10	L.Ciborowska	POLAND	62	82.3%	0.19
11	K.Ciborowski	POLAND	62	82.3%	0.19
12	Z.Gao	SXMARS	48	81.2%	0.19
13	S.Li	SXSATURN	63	81.0%	0.27
14	K.Kuflowski	POLAND	47	80.9%	0.23
15	F.Kurlit	POLAND	47	80.9%	0.23
16	Z.Xie	SXVENUS	57	80.7%	0.23
17	J.Wang	SXVENUS	35	80.0%	0.20
18	S.Ma	SXVENUS	24	79.2%	0.25
19	X.Zhang	SXSATURN	42	78.6%	0.31
20	H.Jiang	SXVENUS	37	78.4%	0.27
21	J.Yang	SXVENUS	36	77.8%	0.28
22	Y.Fu	SXMARS	56	76.8%	0.25
23	J.Bakhshi	SHARKS	18	100.0%	0.00
24	M.Bertheau	SHARKS	18	100.0%	0.00
25	M.Roches	EYE OF THE TIGER	17	88.2%	0.18
26	P.Tchoulkine	EYE OF THE TIGER	17	88.2%	0.18
27	Y.Jiang	SHSLLS1	16	87.5%	0.12
28	N.Xu	SHSLLS1	16	87.5%	0.12
29	Z.Tian	SXSATURN	21	85.7%	0.19
30	J.Huang	RDFZ BRIDGE STRAIT	12	75.0%	0.25
31	Z.Zhuo	RDFZ BRIDGE STRAIT	12	75.0%	0.25
32	M.Xu	SHSLLS1	16	75.0%	0.38
33	S.Yang	SHSLLS1	16	75.0%	0.38
34	C.Bens	EYE OF THE TIGER	19	73.7%	0.32
35	L.Bonin	EYE OF THE TIGER	19	73.7%	0.32
36	A.Brogeland	SHARKS	18	72.2%	0.33
37	A.Landsvik	SHARKS	18	72.2%	0.33
38	Z.Chang	RDFZ BRIDGE STRAIT	10	70.0%	0.40
39	Z.Sun	RDFZ BRIDGE STRAIT	10	70.0%	0.40
40	Z.Wang	SXMARS	16	68.8%	0.31
41	X.Lin	RDFZ BRIDGE STRAIT	13	61.5%	0.39
42	Z.Wang	RDFZ BRIDGE STRAIT	13	61.5%	0.39

Strength of schedule — opponent-adjusted Butler↑ top

On every board a player meets a specific opposing pair, and strong opponents defend and bid well — which quietly depresses your cross-IMP. Opp /bd is the mean cumulative Butler of the pairs faced, i.e. the strength of the draw (+ tough, − easy). Adj /bd adds it back — a tough draw is credited, an easy one discounted — and Δ is the resulting move against the raw Butler order. Regulars only (≥ 40% of the boards). Click a column header to sort; filter by name or team.

#	Player	Team	Boards	Opp /bd	Raw /bd	Adj /bd	Δ
1	Z.Gao	SXMARS	86	-0.18	+1.22	+1.04	·
2	L.Ciborowska	POLAND	100	+0.49	+0.32	+0.81	▲7
3	K.Ciborowski	POLAND	100	+0.49	+0.32	+0.81	▲7
4	Y.Fu	SXMARS	130	-0.14	+0.88	+0.74	▼2
5	H.Shen	SXMARS	86	-0.12	+0.77	+0.64	▼2
6	K.Kuflowski	POLAND	114	+0.22	+0.25	+0.47	▲6
7	F.Kurlit	POLAND	114	+0.22	+0.25	+0.47	▲6
8	N.Lang	SXMARS	130	-0.14	+0.48	+0.34	▼2
9	T.Tang	SXSATURN	86	-0.29	+0.54	+0.25	▼4
10	X.Zhang	SXSATURN	102	-0.50	+0.67	+0.18	▼6
11	F.Yu	SXMARS	116	-0.20	+0.32	+0.12	·
12	L.Kasperczyk	POLAND	74	+0.46	-0.38	+0.08	▲5
13	M.Stasik	POLAND	74	+0.46	-0.38	+0.08	▲5
14	F.Lin	SXVENUS	116	+0.09	-0.13	-0.04	▲1
15	S.Li	SXSATURN	130	-0.39	+0.33	-0.06	▼7
16	H.Jiang	SXVENUS	72	+0.26	-0.50	-0.24	▲4
17	Z.Lu	SXSATURN	102	-0.66	+0.42	-0.24	▼10
18	Z.Xie	SXVENUS	116	-0.06	-0.19	-0.25	▼2
19	S.Ma	SXVENUS	72	+0.05	-0.42	-0.38	·
20	J.Wang	SXVENUS	72	+0.07	-0.57	-0.49	▲1
21	J.Yang	SXVENUS	72	-0.01	-0.59	-0.60	▲1
22	Y.Wu	SXSATURN	72	-0.65	-0.06	-0.71	▼8

Stages

Statistics