Istanbul 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	M.Milaszewski	SZENBERG	56	+1.04	+58.0
2	M.Kwiecien	LALL	56	+0.95	+53.0
3	W.Starkowski	LALL	56	+0.95	+53.0
4	J.Holland	PENFOLD	56	+0.70	+39.0
5	D.Kendrick	PENFOLD	56	+0.70	+39.0
6	Z.Mahmood	LALL	112	+0.55	+62.0
7	K.Martens	LALL	112	+0.55	+62.0
8	M.Ince	FOX	112	+0.25	+28.0
9	N.Kokten	FOX	112	+0.25	+28.0
10	N.Demirbas	FOX	112	-0.37	-41.0
11	M.Karadeniz	FOX	112	-0.37	-41.0
12	H.Lall	LALL	56	-0.46	-26.0
13	R.Milner	LALL	56	-0.46	-26.0
14	W.Klapper	SZENBERG	56	-0.91	-51.0
15	J.Michalek	SZENBERG	56	-0.91	-51.0
16	S.Szenberg	SZENBERG	28	+2.54	+71.0
17	D.Savin	BUCHAREST SENIORS 1	28	+1.79	+50.0
18	D.Urseanu	BUCHAREST SENIORS 1	28	+1.79	+50.0
19	A.Pawlak	POLAND	28	+0.25	+7.0
20	P.Tuszynski	POLAND	28	+0.25	+7.0
21	H.Den Boer	NEDITALY	28	+0.00	+0.0
22	E.Meijer	NEDITALY	28	+0.00	+0.0
23	S.Cata	NEDITALY	28	-0.36	-10.0
24	C.Pennestri	NEDITALY	28	-0.36	-10.0
25	I.Aksoy	IYILER	28	-0.43	-12.0
26	H.Firat	IYILER	28	-0.43	-12.0
27	W.Uszynski	SZENBERG	28	-0.46	-13.0
28	A.Celik	IYILER	28	-0.54	-15.0
29	M.Siriklioglu	IYILER	28	-0.54	-15.0
30	N.Selway	PENFOLD	42	-0.60	-25.0
31	S.Penfold	PENFOLD	28	-0.75	-21.0
32	A.Bochenski	POLAND	28	-0.75	-21.0
33	L.Ohrysko	POLAND	28	-0.75	-21.0
34	B.Senior	PENFOLD	42	-1.24	-52.0
35	S.Draghicescu	BUCHAREST SENIORS 1	28	-2.57	-72.0
36	C.Stancescu	BUCHAREST SENIORS 1	28	-2.57	-72.0

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	J.Holland	PENFOLD	11	100.0%	0.00
2	J.Michalek	SZENBERG	14	92.9%	0.07
3	M.Ince	FOX	25	92.0%	0.12
4	R.Milner	LALL	13	84.6%	0.15
5	N.Kokten	FOX	37	81.1%	0.24
6	M.Karadeniz	FOX	24	79.2%	0.21
7	M.Milaszewski	SZENBERG	18	77.8%	0.22
8	D.Kendrick	PENFOLD	18	77.8%	0.28
9	N.Demirbas	FOX	22	77.3%	0.23
10	Z.Mahmood	LALL	26	76.9%	0.23
11	H.Lall	LALL	16	75.0%	0.25
12	W.Klapper	SZENBERG	12	75.0%	0.33
13	W.Starkowski	LALL	15	73.3%	0.27
14	K.Martens	LALL	30	73.3%	0.33
15	M.Kwiecien	LALL	16	68.8%	0.31
16	S.Szenberg	SZENBERG	8	100.0%	0.00
17	D.Savin	BUCHAREST SENIORS 1	9	100.0%	0.00
18	D.Urseanu	BUCHAREST SENIORS 1	7	100.0%	0.00
19	B.Senior	PENFOLD	6	100.0%	0.00
20	N.Selway	PENFOLD	13	100.0%	0.00
21	A.Pawlak	POLAND	7	100.0%	0.00
22	P.Tuszynski	POLAND	7	100.0%	0.00
23	A.Celik	IYILER	5	100.0%	0.00
24	S.Penfold	PENFOLD	5	100.0%	0.00
25	H.Den Boer	NEDITALY	9	100.0%	0.00
26	A.Bochenski	POLAND	8	100.0%	0.00
27	I.Aksoy	IYILER	8	100.0%	0.00
28	S.Draghicescu	BUCHAREST SENIORS 1	7	100.0%	0.00
29	C.Stancescu	BUCHAREST SENIORS 1	5	100.0%	0.00
30	M.Siriklioglu	IYILER	8	87.5%	0.25
31	L.Ohrysko	POLAND	7	85.7%	0.29
32	E.Meijer	NEDITALY	6	83.3%	0.17
33	H.Firat	IYILER	6	83.3%	0.17
34	S.Cata	NEDITALY	11	81.8%	0.18
35	W.Uszynski	SZENBERG	5	80.0%	0.20
36	C.Pennestri	NEDITALY	3	66.7%	0.33

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.Holland	PENFOLD	14	100.0%	0.00
2	D.Kendrick	PENFOLD	13	92.3%	0.08
3	K.Martens	LALL	26	92.3%	0.12
4	Z.Mahmood	LALL	30	90.0%	0.10
5	J.Michalek	SZENBERG	9	88.9%	0.11
6	N.Demirbas	FOX	36	86.1%	0.22
7	M.Kwiecien	LALL	18	83.3%	0.22
8	M.Milaszewski	SZENBERG	11	81.8%	0.18
9	M.Karadeniz	FOX	30	80.0%	0.23
10	M.Ince	FOX	20	75.0%	0.30
11	N.Kokten	FOX	29	72.4%	0.28
12	W.Starkowski	LALL	7	71.4%	0.29
13	H.Lall	LALL	16	68.8%	0.31
14	W.Klapper	SZENBERG	21	66.7%	0.38
15	R.Milner	LALL	11	63.6%	0.55
16	D.Savin	BUCHAREST SENIORS 1	6	100.0%	0.00
17	N.Selway	PENFOLD	13	100.0%	0.00
18	A.Pawlak	POLAND	4	100.0%	0.00
19	L.Ohrysko	POLAND	7	100.0%	0.00
20	H.Firat	IYILER	6	100.0%	0.00
21	P.Tuszynski	POLAND	10	90.0%	0.10
22	M.Siriklioglu	IYILER	9	88.9%	0.11
23	I.Aksoy	IYILER	8	87.5%	0.12
24	S.Penfold	PENFOLD	7	85.7%	0.14
25	D.Urseanu	BUCHAREST SENIORS 1	6	83.3%	0.17
26	B.Senior	PENFOLD	11	81.8%	0.27
27	H.Den Boer	NEDITALY	5	80.0%	0.20
28	S.Draghicescu	BUCHAREST SENIORS 1	9	77.8%	0.44
29	C.Pennestri	NEDITALY	4	75.0%	0.25
30	E.Meijer	NEDITALY	8	75.0%	0.25
31	W.Uszynski	SZENBERG	11	72.7%	0.27
32	S.Cata	NEDITALY	10	70.0%	0.30
33	S.Szenberg	SZENBERG	3	66.7%	0.33
34	A.Bochenski	POLAND	6	66.7%	0.50
35	A.Celik	IYILER	6	66.7%	0.83
36	C.Stancescu	BUCHAREST SENIORS 1	7	57.1%	0.57

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	M.Milaszewski	SZENBERG	31	93.5%	0.07
2	M.Kwiecien	LALL	31	93.5%	0.10
3	W.Starkowski	LALL	31	93.5%	0.10
4	Z.Mahmood	LALL	56	92.9%	0.07
5	K.Martens	LALL	56	92.9%	0.07
6	N.Demirbas	FOX	46	91.3%	0.09
7	M.Karadeniz	FOX	46	91.3%	0.09
8	W.Klapper	SZENBERG	26	88.5%	0.12
9	J.Michalek	SZENBERG	26	88.5%	0.12
10	J.Holland	PENFOLD	29	82.8%	0.17
11	D.Kendrick	PENFOLD	29	82.8%	0.17
12	M.Ince	FOX	62	82.3%	0.19
13	N.Kokten	FOX	62	82.3%	0.19
14	H.Lall	LALL	29	79.3%	0.21
15	R.Milner	LALL	29	79.3%	0.21
16	S.Szenberg	SZENBERG	17	94.1%	0.06
17	W.Uszynski	SZENBERG	14	92.9%	0.07
18	S.Penfold	PENFOLD	13	92.3%	0.08
19	S.Draghicescu	BUCHAREST SENIORS 1	12	91.7%	0.08
20	C.Stancescu	BUCHAREST SENIORS 1	12	91.7%	0.08
21	H.Den Boer	NEDITALY	15	86.7%	0.13
22	E.Meijer	NEDITALY	15	86.7%	0.13
23	A.Celik	IYILER	13	84.6%	0.15
24	M.Siriklioglu	IYILER	13	84.6%	0.15
25	N.Selway	PENFOLD	19	84.2%	0.21
26	A.Bochenski	POLAND	15	80.0%	0.33
27	L.Ohrysko	POLAND	15	80.0%	0.33
28	A.Pawlak	POLAND	14	78.6%	0.21
29	P.Tuszynski	POLAND	14	78.6%	0.21
30	D.Savin	BUCHAREST SENIORS 1	16	75.0%	0.25
31	D.Urseanu	BUCHAREST SENIORS 1	16	75.0%	0.25
32	B.Senior	PENFOLD	16	75.0%	0.31
33	I.Aksoy	IYILER	14	71.4%	0.71
34	H.Firat	IYILER	14	71.4%	0.71
35	S.Cata	NEDITALY	14	64.3%	0.36
36	C.Pennestri	NEDITALY	14	64.3%	0.36

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	H.Lall	LALL	56	+0.61	+0.60	+1.21	▲1
2	R.Milner	LALL	56	+0.61	+0.60	+1.21	▲1
3	M.Milaszewski	SZENBERG	56	-0.40	+0.77	+0.37	▼2
4	Z.Mahmood	LALL	112	-0.06	+0.33	+0.27	·
5	K.Martens	LALL	112	-0.06	+0.33	+0.27	·
6	N.Demirbas	FOX	112	+0.05	+0.17	+0.22	▲2
7	M.Karadeniz	FOX	112	+0.05	+0.17	+0.22	▲2
8	M.Ince	FOX	112	+0.07	-0.10	-0.02	▲2
9	N.Kokten	FOX	112	+0.07	-0.10	-0.02	▲2
10	M.Kwiecien	LALL	56	-0.48	+0.29	-0.19	▼4
11	W.Starkowski	LALL	56	-0.48	+0.29	-0.19	▼4
12	W.Klapper	SZENBERG	56	+0.09	-0.51	-0.42	▲2
13	J.Michalek	SZENBERG	56	+0.09	-0.51	-0.42	▲2
14	J.Holland	PENFOLD	56	-0.21	-0.42	-0.64	▼2
15	D.Kendrick	PENFOLD	56	-0.21	-0.42	-0.64	▼2

Stages

Statistics