🇨🇳 WENG Jianqiang · CHINA

140rank
-187.7Butler · 210 bds
-0.89per board
±4.6swing
-0.23vs par /bd · #90/138
-0.88adjusted /bd
Butler per round: -20.7 -19.2 -2.1 -6.1 -40 2 -17 13.6 -37.1 13.2 -17.4 8.7 -11.7 -36.8 -17.1by round

vs par split: bidding +0.15 · play -0.39

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted -0.88/bd

Card play — on target: opening leads 74.5% #127 of 138 · declarer play 72.9% #80 of 138 · defence 83.8% #96 of 138

Bidding activity — not a pass: 34.7% #137 of 138 (201/580)

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (15)80.6% (36)
Declarer play58.3% (12)77.8% (36)
Defence72.4% (29)88.2% (76)

Opening leads by suit led: ♠ 90.9% (11) · ♥ 53.8% (13) · ♦ 73.3% (15) · ♣ 83.3% (12)

vs par by strain: NT -0.89 (52) · a suit -0.02 (158)

vs par by level: part-score -0.47 (77) · game -0.03 (118) · slam -0.60 (15)

By role: declaring -0.82/bd (-2.71 vs par · 105) · defending -0.96/bd (+2.24 vs par · 105)

By vulnerability: vulnerable -0.71/bd (+0.14 vs par · 105) · not vulnerable -1.07/bd (-0.61 vs par · 105)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.ZhouM.Abaza – A.ZeinClosed14-20.7-1.48-0.50
Round 3S.ZhouJ.Sylvan – M.GustawssonClosed14-19.2-1.37-2.50
Round 4S.ZhouC.Lucena – M.MacriClosed14-2.1-0.15+0.36
Round 5S.ZhouJ.Nicolajsen – S.ChristiansenOpen14-6.1-0.44+2.43
Round 6S.ZhouL.Van Den Brom – A.MulderOpen14-40.0-2.86-2.64
Round 7S.ZhouM.Cornell – G.TislevollOpen14+2.0+0.14+1.21
Round 9S.ZhouS.Wan – R.LingClosed14-17.0-1.21+0.50
Round 12S.ZhouA.Omasa – M.HirataClosed14+13.6+0.97+0.43
Round 15S.ZhouL.Cohen – D.BerkowitzClosed14-37.1-2.65-1.93
Round 16S.ZhouC.Chang – C.ChenClosed14+13.2+0.94+1.86
Round 17S.ZhouP.Tuszynski – A.KowalskiOpen14-17.4-1.24-0.57
Round 19S.ZhouJ.Mikkelsen – O.LudvigsenClosed14+8.7+0.62+0.86
Round 20S.ZhouS.Gupta – R.GoenkaOpen14-11.7-0.84+1.29
Round 22S.ZhouD.Mossop – G.HallbergClosed14-36.8-2.63-2.07
Round 23S.ZhouP.Zelnik – H.BergerClosed14-17.1-1.22-2.21

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+12.5Round 4🇦🇷 ARGENTINA224♥x♠9-3+14
+10.2Round 17🇵🇱 POLAND96♦♣T-1+14
+10.1Round 4🇦🇷 ARGENTINA254♠♦K-4+14
+10.1Round 7🇳🇿 NEW ZEALAND114♠x♥K-3+12
+9.5Round 9🇭🇰 HONG KONG CHINA104♠x♣K-3+12
+9.3Round 16🇹🇼 CHINESE TAIPEI206♥♣A-1+17
+8.5Round 1🇪🇬 EGYPT125♥♦A-1+10
+8.4Round 3🇸🇪 SWEDEN74♥♦A=+3
+8.2Round 19🇳🇴 NORWAY144♠♥A=+8
+7.5Round 19🇳🇴 NORWAY64♠♦K=+8
+7.3Round 3🇸🇪 SWEDEN14♠♥J-1+10
+7.3Round 5🇩🇰 DENMARK83NT♠K+1+8
+6.7Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND174♥♦A=+0
+6.0Round 16🇹🇼 CHINESE TAIPEI254♠♥2=+0
+5.9Round 12🇯🇵 JAPAN173♠♥Q+2+6
+5.6Round 6🇳🇱 NETHERLANDS204♠♣4+1+2
+5.5Round 12🇯🇵 JAPAN247♥♣K=+0
+5.3Round 16🇹🇼 CHINESE TAIPEI225♣♦K-2+5
+5.3Round 23🇦🇹 AUSTRIA116♥♦7=+5
+5.2Round 15🇺🇸 USA1144♣♠7-3+7
+5.1Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND264♥♦K=+3
+5.0Round 4🇦🇷 ARGENTINA264♥♦K=+9
+5.0Round 23🇦🇹 AUSTRIA142♠♦9=+11
+4.8Round 9🇭🇰 HONG KONG CHINA33NT♠2-1+12
+4.3Round 15🇺🇸 USA1115♣♥6-1+8
+4.1Round 19🇳🇴 NORWAY45♦♣Q-1+16
+3.7Round 16🇹🇼 CHINESE TAIPEI194♠♠5+1+14
+3.7Round 16🇹🇼 CHINESE TAIPEI263NT♠4=+10
+3.7Round 23🇦🇹 AUSTRIA62♣♦T=+0
+3.5Round 6🇳🇱 NETHERLANDS183♦♣K-1+4
+3.4Round 7🇳🇿 NEW ZEALAND45♠♣A+1+13
+3.1Round 7🇳🇿 NEW ZEALAND82♥♠T-3+2
+3.1Round 12🇯🇵 JAPAN283♦♦4=-1
+3.0Round 5🇩🇰 DENMARK94♥♦A=+0
+3.0Round 7🇳🇿 NEW ZEALAND92♠♠A-1+10
+2.8Round 16🇹🇼 CHINESE TAIPEI154♣♥4=+0
+2.6Round 17🇵🇱 POLAND53♦♣J=-1
+2.5Round 17🇵🇱 POLAND81♠♦A+1+1
+2.4Round 7🇳🇿 NEW ZEALAND24♥♦2+3+14
+2.2Round 17🇵🇱 POLAND62♣♥K=+7
+2.0Round 1🇪🇬 EGYPT104♥♦5=+0
+2.0Round 7🇳🇿 NEW ZEALAND103NT♣Q=+0
+2.0Round 12🇯🇵 JAPAN164♠♥K+1+0
+2.0Round 12🇯🇵 JAPAN185♦♠A=+0
+1.8Round 20🇮🇳 INDIA192♥♠A+1+0
+1.7Round 1🇪🇬 EGYPT132♦♥3+1+6
+1.7Round 3🇸🇪 SWEDEN142♠♠4+2-6
+1.7Round 5🇩🇰 DENMARK16♥♣K-2+0
+1.7Round 6🇳🇱 NETHERLANDS243NT♥3+1+1
+1.7Round 19🇳🇴 NORWAY123NT♥Q+1+10
+1.6Round 23🇦🇹 AUSTRIA103♦♦4-2+7
+1.5Round 1🇪🇬 EGYPT143NT♣2+2+1
+1.5Round 19🇳🇴 NORWAY104♠♥K+2-17
+1.3Round 1🇪🇬 EGYPT72♠♣6+3+10
+1.3Round 4🇦🇷 ARGENTINA203♣♣3=+0
+1.3Round 5🇩🇰 DENMARK72NT♥2=+0
+1.3Round 5🇩🇰 DENMARK113♦♣A-2+7
+1.3Round 20🇮🇳 INDIA213NT♥5=+13
+1.2Round 4🇦🇷 ARGENTINA163NT♥4+1+1
+1.2Round 12🇯🇵 JAPAN263♣♥K-1+0
+1.1Round 7🇳🇿 NEW ZEALAND71NT♠4+1+0
+1.1Round 15🇺🇸 USA173♥♠5=+10
+1.0Round 12🇯🇵 JAPAN204♠♥A=+13
+1.0Round 12🇯🇵 JAPAN274♥♠Q+1-11
+1.0Round 15🇺🇸 USA1126♠♦K=+0
+1.0Round 20🇮🇳 INDIA253NT♦T+3+11
+0.9Round 4🇦🇷 ARGENTINA173NT♠2+2+0
+0.7Round 3🇸🇪 SWEDEN104♥♠A+2-13
+0.7Round 12🇯🇵 JAPAN194♠♥A=+3
+0.7Round 19🇳🇴 NORWAY52♥♣A=+0
+0.5Round 16🇹🇼 CHINESE TAIPEI234♥♦2=+13
+0.5Round 19🇳🇴 NORWAY33♠♣T+1-10
+0.5Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♣8+1+0
+0.4Round 1🇪🇬 EGYPT94♥♠4+2-11
+0.4Round 16🇹🇼 CHINESE TAIPEI284♠x♦9-2+5
+0.3Round 3🇸🇪 SWEDEN53NT♣3+2+0
+0.3Round 7🇳🇿 NEW ZEALAND133♠♦2+1-8
+0.2Round 5🇩🇰 DENMARK131NT♥T=+1
+0.2Round 12🇯🇵 JAPAN254♠♥K=+1
+0.2Round 20🇮🇳 INDIA153♥♠Q=+1
+0.2Round 23🇦🇹 AUSTRIA44♥♥6+1+0
+0.1Round 4🇦🇷 ARGENTINA234♠♦4+1-13
+0.1Round 4🇦🇷 ARGENTINA273♥♦Q-1+6
+0.1Round 7🇳🇿 NEW ZEALAND33NT♥2+2+0
+0.1Round 19🇳🇴 NORWAY23NT♥7+1+0
+0.1Round 20🇮🇳 INDIA173NT♥J+2+11
+0.1Round 20🇮🇳 INDIA244♥♠5=+0
-0.0Round 1🇪🇬 EGYPT54♠♠5+1+0
-0.0Round 5🇩🇰 DENMARK54♥♥3=+1
+0.0Round 5🇩🇰 DENMARK104♠♣5=+0
-0.0Round 9🇭🇰 HONG KONG CHINA64♠♥2=+0
-0.0Round 20🇮🇳 INDIA203♥♠4+2-10
+0.0Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND224♠♥K-1+8
-0.0Round 23🇦🇹 AUSTRIA13NT♥4+2-10
-0.0Round 23🇦🇹 AUSTRIA84♥♦7+1+0
-0.1Round 12🇯🇵 JAPAN224♠♥J=+1
-0.1Round 15🇺🇸 USA1105♠♦5=+0
-0.2Round 9🇭🇰 HONG KONG CHINA124♠♣J=+0
-0.3Round 20🇮🇳 INDIA234NT♠2+1+0
-0.4Round 5🇩🇰 DENMARK146♥♣9+1+11
-0.4Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND254♥♦A=+1
-0.5Round 1🇪🇬 EGYPT62♠♥2=+6
-0.5Round 3🇸🇪 SWEDEN122♠♦K+1+7
-0.6Round 1🇪🇬 EGYPT45♣♦6-1+1
-0.6Round 7🇳🇿 NEW ZEALAND122♦♣K+1-5
-0.6Round 9🇭🇰 HONG KONG CHINA54♥♠K+2+11
-0.6Round 19🇳🇴 NORWAY73♦♣A+1+10
-0.6Round 20🇮🇳 INDIA264♠♣9+1+0
-0.7Round 5🇩🇰 DENMARK64♠♣7=+0
-0.7Round 9🇭🇰 HONG KONG CHINA141NT♥9+1+8
-0.7Round 12🇯🇵 JAPAN155♦♥2-2+0
-0.7Round 16🇹🇼 CHINESE TAIPEI184♥♠T-1-5
-0.7Round 17🇵🇱 POLAND131NT♦K=+1
-0.8Round 4🇦🇷 ARGENTINA184♥♠T+1+11
-0.8Round 19🇳🇴 NORWAY112♥♦6+1+0
-0.8Round 23🇦🇹 AUSTRIA33NT♥4+2-1
-0.9Round 5🇩🇰 DENMARK34♠♠6=+0
-0.9Round 9🇭🇰 HONG KONG CHINA133NT♦4+1+1
-1.0Round 3🇸🇪 SWEDEN43NT♦6+4-2
-1.0Round 6🇳🇱 NETHERLANDS192♦♣6+3+1
-1.0Round 7🇳🇿 NEW ZEALAND11NT♦A-2+0
-1.1Round 1🇪🇬 EGYPT13♥♣A=-1
-1.2Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND202♠♥8-1-6
-1.3Round 16🇹🇼 CHINESE TAIPEI161NT♦7+1+0
-1.4Round 6🇳🇱 NETHERLANDS215♦♥6=+0
-1.4Round 7🇳🇿 NEW ZEALAND64♦♠2=+0
-1.5Round 17🇵🇱 POLAND71NT♠2-2-2
-1.6Round 6🇳🇱 NETHERLANDS272♥♦A-1-4
-1.6Round 17🇵🇱 POLAND24♠♣T+1+0
-1.6Round 19🇳🇴 NORWAY134♠♦2+1+0
-1.7Round 15🇺🇸 USA183♣♦6=+1
-1.7Round 16🇹🇼 CHINESE TAIPEI171♥♦7+3-6
-1.7Round 16🇹🇼 CHINESE TAIPEI273NT♥T+3-11
-1.7Round 17🇵🇱 POLAND33NT♠6=+0
-1.7Round 17🇵🇱 POLAND123♠♥2-2+0
-1.7Round 20🇮🇳 INDIA282NT♠Q=+0
-1.7Round 23🇦🇹 AUSTRIA73♦♥A-2-3
-1.8Round 1🇪🇬 EGYPT113NT♣4+2-1
-1.9Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283♥♣6-2+1
-2.0Round 20🇮🇳 INDIA224♥♦9+2-1
-2.0Round 23🇦🇹 AUSTRIA94♠♦5+1+0
-2.1Round 19🇳🇴 NORWAY14♥♥J=+0
-2.2Round 3🇸🇪 SWEDEN91NT♠4+1+0
-2.3Round 17🇵🇱 POLAND111♥♦A+1+1
-2.5Round 6🇳🇱 NETHERLANDS233♥♦A-1+9
-2.5Round 12🇯🇵 JAPAN213♥♠2=+0
-2.7Round 16🇹🇼 CHINESE TAIPEI213♠♦A-2-6
-3.1Round 9🇭🇰 HONG KONG CHINA73NT♠2=+1
-3.1Round 9🇭🇰 HONG KONG CHINA114NT♣8+1+0
-3.2Round 20🇮🇳 INDIA161NT♦J+2-1
-3.3Round 3🇸🇪 SWEDEN63NT♦5+3+12
-3.3Round 6🇳🇱 NETHERLANDS221NT♥6=+0
-3.4Round 20🇮🇳 INDIA185♦x♠A-1-7
-3.5Round 9🇭🇰 HONG KONG CHINA16♣♥K-1-11
-3.5Round 15🇺🇸 USA132♥♣A=-6
-3.7Round 17🇵🇱 POLAND102♠♦A=-6
-3.8Round 6🇳🇱 NETHERLANDS262♥♣6=-6
-3.8Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND192♠♣A=-5
-3.9Round 15🇺🇸 USA193♥♦9-1-6
-4.0Round 4🇦🇷 ARGENTINA192♠♦K=+1
-4.0Round 4🇦🇷 ARGENTINA244♥♦A-1-5
-4.1Round 9🇭🇰 HONG KONG CHINA41♠♦Q-1-5
-4.1Round 9🇭🇰 HONG KONG CHINA81NT♥4+1-6
-4.1Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND242♦♣A=+0
-4.2Round 19🇳🇴 NORWAY84♦♥J=+0
-4.3Round 15🇺🇸 USA141NT♦A=-5
-4.3Round 15🇺🇸 USA1132♥♦Q+1+0
-4.3Round 17🇵🇱 POLAND41♥♦7=-5
-4.4Round 6🇳🇱 NETHERLANDS164♥♦3+2-11
-4.7Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♠♥J+1+0
-4.8Round 5🇩🇰 DENMARK126♥♠K+1+11
-5.0Round 3🇸🇪 SWEDEN23NT♣4-2-8
-5.0Round 5🇩🇰 DENMARK44♠♥6-2-7
-5.0Round 9🇭🇰 HONG KONG CHINA24♠♥K=-11
-5.0Round 20🇮🇳 INDIA273NT♥4=+1
-5.1Round 3🇸🇪 SWEDEN115♦♠K-1-10
-5.5Round 6🇳🇱 NETHERLANDS174♥♦A=-8
-5.5Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273NT♣A+2+0
-5.6Round 23🇦🇹 AUSTRIA54♠♣A=-8
-5.7Round 6🇳🇱 NETHERLANDS154♠♠2=+0
-5.7Round 12🇯🇵 JAPAN234♥♦T-1-6
-5.9Round 23🇦🇹 AUSTRIA24♠x♥T-2-5
-6.0Round 3🇸🇪 SWEDEN33NT♦4-1-10
-6.0Round 9🇭🇰 HONG KONG CHINA95♦x♥4-2-5
-6.0Round 15🇺🇸 USA165♦x♣Q-2-12
-6.2Round 4🇦🇷 ARGENTINA284♠♥A-2-8
-6.2Round 15🇺🇸 USA124♠♣J=-3
-6.3Round 19🇳🇴 NORWAY94♠♥A-2-13
-6.7Round 17🇵🇱 POLAND143NT♥2=-7
-7.0Round 3🇸🇪 SWEDEN83NT♥T-1-10
-7.3Round 4🇦🇷 ARGENTINA155♥x♣A=-13
-7.5Round 3🇸🇪 SWEDEN133♣♠9-2-8
-7.8Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233♣♠T=-6
-8.0Round 23🇦🇹 AUSTRIA127NTx♠8-2-18
-8.4Round 1🇪🇬 EGYPT83NT♣3-1-10
-8.4Round 15🇺🇸 USA114♥♠4-1-11
-8.5Round 7🇳🇿 NEW ZEALAND53♦♥K+2-10
-8.9Round 23🇦🇹 AUSTRIA133NT♠4-3-9
-9.1Round 5🇩🇰 DENMARK26♦♣2=+2
-9.2Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163NT♥K-4-14
-9.9Round 6🇳🇱 NETHERLANDS283NT♣9-2-13
-10.3Round 15🇺🇸 USA155♠x♥Q-5-10
-10.4Round 16🇹🇼 CHINESE TAIPEI243♦x♥9+1-10
-10.5Round 22🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND216♠♥Q-1-11
-10.7Round 17🇵🇱 POLAND16♥♠J-2-11
-11.0Round 4🇦🇷 ARGENTINA212♦x♥7-3-12
-11.2Round 1🇪🇬 EGYPT26♣♥A=-11
-11.7Round 6🇳🇱 NETHERLANDS252♣xx♣K-1-12
-12.0Round 7🇳🇿 NEW ZEALAND143NT♣2+3-11
-12.5Round 1🇪🇬 EGYPT36♦♦4=-7