🇨🇦 QIAN Vera · CANADA

111rank
-160.7Butler · 144 bds
-1.12per board
±4.5swing
-1.97vs par /bd · #107/108
-1.29adjusted /bd
Butler per round: -15.2 13.5 -48.4 -20.2 -30.5 -12.2 -9.3 -32.2 -3.9 4.2 6.4 -12.9by round

vs par split: bidding -0.71 · play -1.33

Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -1.29/bd

Card play — on target: opening leads 73.1% #84 of 108 · declarer play 43.9% #107 of 108 · defence 64.6% #107 of 108

Bidding activity — not a pass: 46.3% #13 of 108 (168/363)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)73.9% (23)
Declarer play53.3% (15)38.5% (26)
Defence46.2% (13)69.2% (52)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (1) · ♦ 75.0% (12) · ♣ 70.0% (10)

vs par by strain: NT -3.33 (40) · a suit -1.54 (103)

vs par by level: part-score -2.12 (72) · game -1.61 (66) · slam -6.60 (5)

By role: declaring -1.43/bd (-4.50 vs par · 78) · defending -0.81/bd (+0.91 vs par · 65)

By vulnerability: vulnerable -1.20/bd (-2.31 vs par · 73) · not vulnerable -1.03/bd (-1.61 vs par · 71)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1E.LuT.Bradkin – H.CorkClosed12-15.2-1.27-3.42
Round 3E.LuF.Zeeberg – C.ZeebergClosed12+13.5+1.12-1.92
Round 4E.LuZ.Zabradi – G.SzaboOpen12-48.4-4.03-2.50
Round 5E.LuI.Mathisen – M.MoeClosed12-20.2-1.68-2.08
Round 6E.LuZ.Sueur – S.GallardClosed12-30.5-2.54-2.25
Round 8E.LuS.Allas – E.OrmaOpen12-12.2-1.02-3.92
Round 10E.LuC.Peng – C.LuClosed12-9.3-0.78-2.67
Round 11E.LuA.Bukat – M.KlimiukOpen12-32.2-2.68-5.17
Round 13E.LuT.Vellios – T.OikonomouClosed12-3.9-0.33-1.08
Round 16E.LuJ.Kwok – R.HuiOpen12+4.2+0.35-0.75
Round 17E.LuT.Blomsteel – K.VisserOpen12+6.4+0.53+1.75
Round 19E.LuI.Herbst – A.Zaidenberg GattOpen12-12.9-1.07+0.42

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
+12.1Round 17🇳🇱 NETHERLANDS64♠♣J-1+12
+9.9Round 17🇳🇱 NETHERLANDS123NT♠4-1+10
+9.2Round 3🇩🇰 DENMARK114♦x♣A-5+3
+8.7Round 16🇭🇰 HONG KONG CHINA183NT♥5+1+8
+7.7Round 19🇮🇱 ISRAEL125♣♦A-1+11
+7.1Round 17🇳🇱 NETHERLANDS53♣♥K=+11
+6.8Round 19🇮🇱 ISRAEL84♠♥7-3+0
+5.9Round 8🇪🇪 ESTONIA196NT♥7=-11
+5.8Round 6🇫🇷 FRANCE253♠♦6-2+8
+5.7Round 11🇵🇱 POLAND24♠♣K-1-2
+5.4Round 16🇭🇰 HONG KONG CHINA194♠♥3=-1
+5.0Round 3🇩🇰 DENMARK83♦♣J-4+6
+4.6Round 3🇩🇰 DENMARK123NT♥A=-13
+4.6Round 10🇹🇼 CHINESE TAIPEI154♠♦8-2+6
+4.2Round 16🇭🇰 HONG KONG CHINA236♥♦7+1-13
+3.9Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♣K+1+0
+3.9Round 3🇩🇰 DENMARK22♥♦T=+1
+3.9Round 5🇳🇴 NORWAY43♠♦3-1+6
+3.8Round 13🇬🇷 GREECE73♠♦3-1+6
+3.5Round 8🇪🇪 ESTONIA163♦♠6=+6
+3.4Round 19🇮🇱 ISRAEL14♣♦3+1+7
+3.2Round 3🇩🇰 DENMARK55♣x♦2-2+4
+3.1Round 11🇵🇱 POLAND54♥♦4-2-5
+3.1Round 16🇭🇰 HONG KONG CHINA17Pass+9
+2.8Round 10🇹🇼 CHINESE TAIPEI233NT♠T=+0
+2.7Round 13🇬🇷 GREECE103♣♦Q=+10
+2.6Round 4🇭🇺 HUNGARY262♦♣A+2+0
+2.5Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♦K+3-12
+2.4Round 3🇩🇰 DENMARK73♣♦3-1+1
+2.4Round 13🇬🇷 GREECE53♠♥A-1+4
+2.3Round 10🇹🇼 CHINESE TAIPEI263♦♠4-2+3
+2.2Round 6🇫🇷 FRANCE183NT♦A=-2
+2.1Round 10🇹🇼 CHINESE TAIPEI183♠♦Q-1-2
+2.0Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♠♥J-1-2
+1.9Round 3🇩🇰 DENMARK35♠♦A=+0
+1.9Round 16🇭🇰 HONG KONG CHINA163NT♥4+2+1
+1.8Round 3🇩🇰 DENMARK13♥♠2=+1
+1.7Round 17🇳🇱 NETHERLANDS24♥x♠A-1+6
+1.5Round 13🇬🇷 GREECE96NT♠6+1-11
+1.3Round 8🇪🇪 ESTONIA253♥♣A=-7
+1.1Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND105♦♠Q-1+6
+1.0Round 13🇬🇷 GREECE43NT♠J+2+0
+0.9Round 10🇹🇼 CHINESE TAIPEI164♥♣8-1-1
+0.8Round 19🇮🇱 ISRAEL114♠♣J-1+5
+0.7Round 6🇫🇷 FRANCE203NT♠Q+2-13
+0.7Round 19🇮🇱 ISRAEL33♦♣2=+1
+0.3Round 17🇳🇱 NETHERLANDS94♣♠8-1+5
+0.2Round 5🇳🇴 NORWAY13NT♥A=+0
+0.2Round 8🇪🇪 ESTONIA242♠♦T+1-6
+0.2Round 10🇹🇼 CHINESE TAIPEI192♠♥8+1+0
+0.2Round 11🇵🇱 POLAND42♠♦J=-1
+0.2Round 16🇭🇰 HONG KONG CHINA153♦♣8-1+1
+0.1Round 11🇵🇱 POLAND34♥♠T=-1
+0.1Round 13🇬🇷 GREECE83NT♦7+3-11
+0.0Round 19🇮🇱 ISRAEL62♥♣4+1+10
-0.1Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND61NT♠3+2-6
-0.1Round 10🇹🇼 CHINESE TAIPEI213NT♦7-1+1
-0.2Round 19🇮🇱 ISRAEL51♦♥4+2+0
-0.3Round 6🇫🇷 FRANCE194♥♦3+1+0
-0.3Round 10🇹🇼 CHINESE TAIPEI253NT♣J+1+0
-0.4Round 4🇭🇺 HUNGARY164♠♣8=+1
-0.4Round 4🇭🇺 HUNGARY173♠♣K-1-10
-0.4Round 5🇳🇴 NORWAY23NT♣2-1+5
-0.4Round 16🇭🇰 HONG KONG CHINA223♦♣3-1+2
-0.5Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND112♠♦5=+0
-0.5Round 8🇪🇪 ESTONIA262♠♦3=+10
-0.6Round 8🇪🇪 ESTONIA174♥♣5+1+0
-0.6Round 8🇪🇪 ESTONIA203NT♥5-2-8
-0.7Round 13🇬🇷 GREECE13♦♥T-1-1
-0.7Round 17🇳🇱 NETHERLANDS103NT♥6+1+0
-0.8Round 11🇵🇱 POLAND92♥♠K-2+1
-0.9Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♠3+1+0
-1.2Round 4🇭🇺 HUNGARY253♠♦3=+0
-1.2Round 13🇬🇷 GREECE113♣♦2+1+7
-1.2Round 16🇭🇰 HONG KONG CHINA203NT♦9+1-1
-1.3Round 5🇳🇴 NORWAY64♥♠6-1-5
-1.3Round 6🇫🇷 FRANCE261NT♠3+1+0
-1.3Round 10🇹🇼 CHINESE TAIPEI204♥♣A-1-9
-1.5Round 8🇪🇪 ESTONIA221NT♥6+1+0
-1.5Round 13🇬🇷 GREECE124♣♠A-2-8
-1.5Round 16🇭🇰 HONG KONG CHINA214♠♣2+3-2
-1.5Round 17🇳🇱 NETHERLANDS32NT♠2+1-1
-1.6Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123♠♥T=-10
-1.6Round 3🇩🇰 DENMARK63♣♥Q-1-5
-1.6Round 4🇭🇺 HUNGARY203NT♥8+2-1
-1.6Round 5🇳🇴 NORWAY94♥♣A-1-6
-1.6Round 8🇪🇪 ESTONIA183♣♠A+1-5
-1.7Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♠♦K+2-9
-1.7Round 13🇬🇷 GREECE33♦♠7+1-7
-1.8Round 6🇫🇷 FRANCE154♠♦9=+1
-1.8Round 11🇵🇱 POLAND83NT♠2+1+0
-1.8Round 19🇮🇱 ISRAEL21NT♠4+2-1
-1.9Round 5🇳🇴 NORWAY71NT♥9-1+1
-2.0Round 17🇳🇱 NETHERLANDS12♠♥A-2-8
-2.2Round 5🇳🇴 NORWAY32♦♠K+2-1
-2.2Round 5🇳🇴 NORWAY81NT♥5-1-4
-2.2Round 5🇳🇴 NORWAY123♠♥9-2-7
-2.2Round 11🇵🇱 POLAND13NT♣4+1+0
-2.3Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♥♣J=+13
-2.4Round 3🇩🇰 DENMARK93♥♣5=+0
-2.6Round 17🇳🇱 NETHERLANDS112♥♦6-1-5
-3.1Round 5🇳🇴 NORWAY54♠♣6+1-1
-3.3Round 6🇫🇷 FRANCE242NT♦2-1-4
-3.3Round 10🇹🇼 CHINESE TAIPEI223♣♦K-2-5
-3.4Round 17🇳🇱 NETHERLANDS42♥♦3+1-2
-3.6Round 5🇳🇴 NORWAY103♦♥4-1-12
-3.9Round 4🇭🇺 HUNGARY244♥♦5-3+7
-4.2Round 6🇫🇷 FRANCE174♠♦4=+0
-4.7Round 8🇪🇪 ESTONIA232NT♠A-2-8
-4.7Round 16🇭🇰 HONG KONG CHINA252♠♣3+1-6
-4.8Round 4🇭🇺 HUNGARY234♠♣T+1+13
-5.0Round 13🇬🇷 GREECE63NT♣6-1-5
-5.3Round 13🇬🇷 GREECE22♠♦A-3+3
-5.4Round 19🇮🇱 ISRAEL93♥♠K=-6
-5.6Round 6🇫🇷 FRANCE215♦♠2=-6
-5.6Round 16🇭🇰 HONG KONG CHINA242NT♠3+2-6
-5.7Round 4🇭🇺 HUNGARY182♠♣3+3-6
-5.7Round 11🇵🇱 POLAND113NT♠J=-3
-5.8Round 5🇳🇴 NORWAY113NT♣Q+2-1
-5.9Round 11🇵🇱 POLAND122♠♥A-4-15
-5.9Round 16🇭🇰 HONG KONG CHINA265♥♦6=-1
-6.2Round 4🇭🇺 HUNGARY191NTx♥3-1-7
-6.3Round 6🇫🇷 FRANCE223NT♦4-2-11
-6.3Round 8🇪🇪 ESTONIA212♠♣A+2-8
-6.3Round 11🇵🇱 POLAND62♦♥6-1-10
-6.3Round 17🇳🇱 NETHERLANDS74♥♣8=+1
-6.7Round 6🇫🇷 FRANCE166♠♦3=+13
-7.1Round 4🇭🇺 HUNGARY154♠♦9-3-11
-7.2Round 3🇩🇰 DENMARK103♦♣A-1-12
-7.2Round 10🇹🇼 CHINESE TAIPEI174♣♦A-2-11
-7.3Round 3🇩🇰 DENMARK43♣♠Q-3-9
-7.3Round 8🇪🇪 ESTONIA153♥♥9+1-10
-7.3Round 19🇮🇱 ISRAEL42♥♣J+2-10
-7.4Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♦4-1-12
-7.6Round 19🇮🇱 ISRAEL104NT♥9=+1
-7.8Round 11🇵🇱 POLAND104♥♣2-3-14
-8.2Round 17🇳🇱 NETHERLANDS83NT♦Q-1-8
-8.3Round 4🇭🇺 HUNGARY214♥x♦K-2-5
-9.7Round 6🇫🇷 FRANCE234♠♦7=-13
-10.0Round 10🇹🇼 CHINESE TAIPEI243♦♠4-1-14
-10.0Round 19🇮🇱 ISRAEL74♠♣6=-13
-10.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND71♣x♣5-2-9
-10.8Round 11🇵🇱 POLAND73NT♥7-1-12
-11.4Round 4🇭🇺 HUNGARY226♠♣4=-11