Stats 9Y37 Main

Contract Stats

by Richard Pavlicek

The following tables show a breakdown of contracts and related information from vugraph archives of the Vanderbilt, Spingold, U.S. Bridge Championship and World Team Championship from 1996 to present. Source data consists of 80,138 results (40,069 deals) from 72 events.

Contract	Times	Percent	Cumulative
1	45	0.06	45	0.06
1	72	0.09	117	0.15
1	230	0.29	347	0.43
1	504	0.63	851	1.06
1 NT	4935	6.16	5786	7.22
2	847	1.06	6633	8.28
2	1385	1.73	8018	10.01
2	3297	4.11	11,315	14.12
2	4785	5.97	16,100	20.09
2 NT	1457	1.82	17,557	21.91
3	2303	2.87	19,860	24.78
3	2563	3.20	22,423	27.98
3	2704	3.37	25,127	31.35
3	2889	3.61	28,016	34.96
3 NT	15,385	19.20	43,401	54.16
4	782	0.98	44,183	55.13
4	702	0.88	44,885	56.01
4	10,406	12.99	55,291	68.99
4	12,086	15.08	67,377	84.08
4 NT	336	0.42	67,713	84.50
5	2110	2.63	69,823	87.13
5	2124	2.65	71,947	89.78
5	1183	1.48	73,130	91.26
5	848	1.06	73,978	92.31
5 NT	17	0.02	73,995	92.33
6	956	1.19	74,951	93.53
6	944	1.18	75,895	94.71
6	1371	1.71	77,266	96.42
6	1419	1.77	78,685	98.19
6 NT	462	0.58	79,147	98.76
7	125	0.16	79,272	98.92
7	165	0.21	79,437	99.13
7	210	0.26	79,647	99.39
7	198	0.25	79,845	99.63
7 NT	97	0.12	79,942	99.76
Passout	196	0.24	80,138	100.00

Stats 9Y37 Main

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Level	Times	Percent	Cumulative
One	5786	7.22	5786	7.22
Two	11,771	14.69	17,557	21.91
Three	25,844	32.25	43,401	54.16
Four	24,312	30.34	67,713	84.50
Five	6282	7.84	73,995	92.33
Six	5152	6.43	79,147	98.76
Seven	795	0.99	79,942	99.76

Strain	Times	Percent	Cumulative
Clubs	7168	8.94	7168	8.94
Diamonds	7955	9.93	15,123	18.87
Hearts	19,401	24.21	34,524	43.08
Spades	22,729	28.36	57,253	71.44
Notrump	22,689	28.31	79,942	99.76

Genre	Times	Percent	Cumulative
Partscore	29,500	36.81	29,500	36.81
Game not slam	44,495	55.52	73,995	92.33
Small slam	5152	6.43	79,147	98.76
Grand slam	795	0.99	79,942	99.76

Jeopardy	Times	Percent	Cumulative
Plain	73,919	92.24	73,919	92.24
Doubled	5938	7.41	79,857	99.65
Redoubled	85	0.11	79,942	99.76

Stats 9Y37 Main

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Result	Times	Percent	Cumulative
Made plain	50,173	62.61	50,173	62.61
Made doubled	1238	1.54	51,411	64.15
Made redoubled	38	0.05	51,449	64.20
Down plain	23,746	29.63	75,195	93.83
Down doubled	4700	5.86	79,895	99.70
Down redoubled	47	0.06	79,942	99.76

Net Result	Times	Percent	Cumulative
Down 9	3	0.00	3	0.00
Down 8	5	0.01	8	0.01
Down 7	16	0.02	24	0.03
Down 6	53	0.07	77	0.10
Down 5	218	0.27	295	0.37
Down 4	758	0.95	1053	1.31
Down 3	2854	3.56	3907	4.88
Down 2	8256	10.30	12,163	15.18
Down 1	16,330	20.38	28,493	35.55
Made exact	26,276	32.79	54,769	68.34
Plus 1	16,368	20.42	71,137	88.77
Plus 2	6850	8.55	77,987	97.32
Plus 3	1728	2.16	79,715	99.47
Plus 4	222	0.28	79,937	99.75
Plus 5	4	0.00	79,941	99.75
Plus 6	1	0.00	79,942	99.76

Tricks Won	Times	Percent	Cumulative
0	2	0.00	2	0.00
1	4	0.00	6	0.01
2	14	0.02	20	0.02
3	121	0.15	141	0.18
4	412	0.51	553	0.69
5	1289	1.61	1842	2.30
6	3427	4.28	5269	6.57
7	7394	9.23	12,663	15.80
8	12,736	15.89	25,399	31.69
9	17,268	21.55	42,667	53.24
10	16,698	20.84	59,365	74.08
11	12,030	15.01	71,395	89.09
12	6739	8.41	78,134	97.50
13	1808	2.26	79,942	99.76

Stats 9Y37 Main

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Declarer	Times	Percent	Cumulative
North	20,332	25.37	20,332	25.37
East	20,019	24.98	40,351	50.35
South	19,814	24.72	60,165	75.08
West	19,777	24.68	79,942	99.76

Dealer	Times	Percent	Cumulative
North	20,106	25.09	20,106	25.09
East	20,098	25.08	40,204	50.17
South	19,984	24.94	60,188	75.11
West	19,950	24.89	80,138	100.00

Vulnerability	Times	Percent	Cumulative
None	19,992	24.95	19,992	24.95
N-S	19,972	24.92	39,964	49.87
E-W	20,046	25.01	60,010	74.88
Both	20,128	25.12	80,138	100.00

Relative Vul	Times	Percent	Cumulative
None	19,992	24.95	19,992	24.95
Non-dealer*	20,514	25.60	40,506	50.55
Dealer*	19,504	24.34	60,010	74.88
Both	20,128	25.12	80,138	100.00

*Significant imbalance is caused by unfair conditions in the U.S. Bridge Championship,
where 15-board segments corrupt the normal cycle.

Stats 9Y37 Main

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© 2014 Richard Pavlicek