🇭🇰 CHAN Shing Sau · HONG KONG CHINA

122rank
-101.2Butler · 168 bds
-0.60per board
±4.3swing
-0.47vs par /bd · #100/135
-0.69adjusted /bd
Butler per round: -19.2 12.4 34.2 13.6 -14.2 -29.3 -8.1 -18.9 -15.9 6.5 -17.1 -8.8 -31.2 -5.2by round

vs par split: bidding -0.59 · play +0.12

Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted -0.69/bd

Card play — on target: opening leads 73.7% #109 of 135 · declarer play 72.7% #65 of 135 · defence 80.0% #116 of 135

Card play by contract type — on target
vs NTvs a suit
Opening leads88.9% (9)69.0% (29)
Declarer play52.9% (17)85.2% (27)
Defence71.4% (21)82.4% (74)

Opening leads by suit led: ♠ 87.5% (8) · ♥ 76.9% (13) · ♦ 66.7% (6) · ♣ 63.6% (11)

vs par by strain: NT +0.00 (43) · a suit -0.63 (125)

vs par by level: part-score -0.29 (70) · game -0.62 (90) · slam -0.38 (8)

By role: declaring +0.09/bd (-2.93 vs par · 73) · defending -1.14/bd (+1.42 vs par · 95)

By vulnerability: vulnerable -0.10/bd (-0.12 vs par · 84) · not vulnerable -1.10/bd (-0.82 vs par · 84)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.ChengN.Buchlev – N.SchilhartClosed12-19.2-1.60-2.50
Round 3A.ChengP.Chottin – D.PilonClosed12+12.4+1.03+1.75
Round 6A.ChengL.Palazzo – M.MacriOpen12+34.2+2.85+1.33
Round 8A.ChengE.Fornaciari – A.VivaldiOpen12+13.6+1.13-0.17
Round 10A.ChengS.Burgess – G.LorentzOpen12-14.2-1.18-2.50
Round 11A.ChengR.Paternotte – B.De BruynOpen12-29.3-2.44-1.08
Round 12A.ChengA.Grant – R.SolomonOpen12-8.1-0.67-0.58
Round 13A.ChengD.Jacob – P.KlimowiczClosed12-18.9-1.57-1.00
Round 14A.ChengD.Shenkin – C.MclatchieOpen12-15.9-1.32+1.00
Round 15A.ChengW.Starkowski – M.KwiecienOpen12+6.5+0.54+2.92
Round 18A.ChengM.Rosenberg – Z.MahmoodClosed12-17.1-1.43-3.58
Round 19A.ChengR.Bryant – S.GreenClosed12-8.8-0.73-1.75
Round 21A.ChengA.Bapat – R.GoenkaOpen12-31.2-2.60-0.50
Round 22A.ChengS.Schou – J.HansenClosed12-5.2-0.43+0.08

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
+11.9Round 6🇦🇷 ARGENTINA64♥♥A=+11
+10.6Round 6🇦🇷 ARGENTINA33NT♠A=+10
+10.0Round 6🇦🇷 ARGENTINA14♥♦4-1+11
+9.5Round 21🇮🇳 INDIA153NT♠3-1+12
+8.7Round 3🇫🇷 FRANCE134♠♥6=+3
+8.1Round 3🇫🇷 FRANCE234♦♥A=+1
+7.0Round 1🇩🇪 GERMANY103NT♣3-1+6
+6.7Round 8🇮🇹 ITALY42NT♦3=-1
+6.6Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183NT♥4=+7
+6.3Round 21🇮🇳 INDIA203♥♦A-3+5
+6.1Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♥♣K-1+10
+5.9Round 8🇮🇹 ITALY54♠♦6-1+12
+5.7Round 3🇫🇷 FRANCE154♥♣K+2+3
+5.6Round 10🇦🇺 AUSTRALIA93NT♥Q=+0
+5.3Round 8🇮🇹 ITALY92NT♦6-3+1
+5.1Round 3🇫🇷 FRANCE224♠♣Q=+1
+5.0Round 12🇳🇿 NEW ZEALAND45♦♣K=+3
+5.0Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND235♣x♥K-1+8
+4.9Round 22🇩🇰 DENMARK64♥♠10+1+0
+4.9Round 22🇩🇰 DENMARK122♥♠7-2+7
+4.8Round 18🇺🇸 U.S.A.104♠♥2+1+4
+4.7Round 15🇵🇱 POLAND203♥♠3=+0
+4.5Round 12🇳🇿 NEW ZEALAND24♠x♠K-1+8
+4.2Round 15🇵🇱 POLAND222♥♠K-3+6
+3.9Round 8🇮🇹 ITALY123NT♥3-2+8
+3.8Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND44♠♥5=+0
+3.6Round 11🇳🇱 NETHERLANDS194♥♣J-1+6
+3.6Round 13🇨🇦 CANADA202NT♣K+1+8
+3.6Round 15🇵🇱 POLAND184♠♦K-1+6
+3.5Round 3🇫🇷 FRANCE245♠♣10+2+14
+3.4Round 10🇦🇺 AUSTRALIA22♠♦5+1-7
+3.3Round 1🇩🇪 GERMANY23♠♦Q=-7
+3.3Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND53♥♠7-4+7
+3.1Round 22🇩🇰 DENMARK73♣♥A-1+6
+2.8Round 12🇳🇿 NEW ZEALAND113♦♥J+1+7
+2.5Round 15🇵🇱 POLAND132♠♣8=+6
+2.4Round 6🇦🇷 ARGENTINA103NT♥10-2+8
+2.3Round 15🇵🇱 POLAND242♥♣J-1+9
+2.2Round 22🇩🇰 DENMARK24♠♦5=+0
+2.1Round 6🇦🇷 ARGENTINA23♠♦7+1+2
+1.9Round 13🇨🇦 CANADA133NT♠6+1-1
+1.9Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♥♠A-2-9
+1.8Round 18🇺🇸 U.S.A.113NT♥J=-1
+1.5Round 1🇩🇪 GERMANY113NT♥9+2-10
+1.3Round 8🇮🇹 ITALY13NT♥4+3+1
+1.3Round 10🇦🇺 AUSTRALIA83♥♣4+1+6
+1.3Round 12🇳🇿 NEW ZEALAND84♥♠J+1+0
+1.3Round 13🇨🇦 CANADA211NT♦A=+5
+1.3Round 15🇵🇱 POLAND173NT♦6+1+0
+1.3Round 18🇺🇸 U.S.A.55♦x♣K-1+0
+1.2Round 18🇺🇸 U.S.A.122♠♥A=+0
+1.1Round 13🇨🇦 CANADA233NT♦3+2+0
+1.1Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND74♠♣9+1+0
+1.0Round 3🇫🇷 FRANCE203♣♥10-1+5
+1.0Round 10🇦🇺 AUSTRALIA44♠♦2+2+13
+0.9Round 22🇩🇰 DENMARK12NT♦10+2-6
+0.8Round 6🇦🇷 ARGENTINA123NT♥6+3-11
+0.7Round 6🇦🇷 ARGENTINA83♥♠A-1+2
+0.6Round 1🇩🇪 GERMANY74♦♥K+1+10
+0.6Round 3🇫🇷 FRANCE183♠♦3+1+10
+0.5Round 11🇳🇱 NETHERLANDS202♥♦4+2-10
+0.5Round 15🇵🇱 POLAND232♦♥8+1+11
+0.5Round 22🇩🇰 DENMARK53♦♥4-1+1
+0.4Round 6🇦🇷 ARGENTINA113NT♥6+2+0
+0.4Round 8🇮🇹 ITALY104♠♣A=+0
+0.4Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND33♥♠Q-1-2
+0.4Round 22🇩🇰 DENMARK93NT♥3+2+10
+0.3Round 11🇳🇱 NETHERLANDS134♥♦Q+1+13
+0.2Round 6🇦🇷 ARGENTINA73NT♠6=-13
+0.1Round 10🇦🇺 AUSTRALIA13NT♣8-1+5
+0.1Round 13🇨🇦 CANADA142♠♥Q+2-1
+0.1Round 18🇺🇸 U.S.A.93NT♠A+1-12
+0.0Round 6🇦🇷 ARGENTINA95♠♦2=+0
+0.0Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND62♦♠J+1+0
-0.1Round 11🇳🇱 NETHERLANDS163NT♥7+1-1
-0.2Round 8🇮🇹 ITALY82♠♦6-1+1
-0.3Round 8🇮🇹 ITALY33♥♣4=-10
-0.4Round 13🇨🇦 CANADA163♦♦3+1+0
-0.4Round 18🇺🇸 U.S.A.42NT♠J-1+6
-0.5Round 1🇩🇪 GERMANY124♠♥2-2-6
-0.5Round 10🇦🇺 AUSTRALIA72♠♣J-1+0
-0.5Round 10🇦🇺 AUSTRALIA103NT♥3+2+0
-0.7Round 12🇳🇿 NEW ZEALAND51NT♠2+1-13
-0.7Round 13🇨🇦 CANADA172♠♦4=+1
-0.9Round 1🇩🇪 GERMANY82♠♥4-1+1
-0.9Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♥♠2+2-13
-1.0Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND81NT♥K=-1
-1.1Round 11🇳🇱 NETHERLANDS223NT♣10+1+1
-1.2Round 3🇫🇷 FRANCE192♠♥K=+0
-1.2Round 12🇳🇿 NEW ZEALAND73♥♦K=+8
-1.2Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND221NT♥6-1-3
-1.2Round 22🇩🇰 DENMARK102♠♦K=+1
-1.3Round 6🇦🇷 ARGENTINA43NT♥K-1+1
-1.3Round 8🇮🇹 ITALY64♠x♥J-1-5
-1.3Round 12🇳🇿 NEW ZEALAND12♥♠4=+1
-1.3Round 15🇵🇱 POLAND151NT♣4+2+10
-1.3Round 15🇵🇱 POLAND192♠♣A-1+1
-1.3Round 18🇺🇸 U.S.A.31NT♦K+2-1
-1.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♠♦5=+0
-1.4Round 11🇳🇱 NETHERLANDS182♥♣5-1-1
-1.4Round 15🇵🇱 POLAND214♠♣K=-1
-1.8Round 12🇳🇿 NEW ZEALAND96♠♦9+1-1
-2.0Round 8🇮🇹 ITALY24♥♦5-2+0
-2.0Round 11🇳🇱 NETHERLANDS213♦♠4=+1
-2.0Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND25♦♥A=-3
-2.1Round 3🇫🇷 FRANCE164♠♣J+1+0
-2.2Round 10🇦🇺 AUSTRALIA123♠♥9-1-10
-2.3Round 3🇫🇷 FRANCE174♥♦2-1-5
-2.3Round 12🇳🇿 NEW ZEALAND104♠♦9+2-1
-2.3Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND114♠♦2+2+11
-2.3Round 18🇺🇸 U.S.A.13♥♠7+2-6
-2.3Round 21🇮🇳 INDIA193NT♥6+2+0
-2.5Round 8🇮🇹 ITALY74♠♣A=-3
-2.5Round 18🇺🇸 U.S.A.62♦♠10=-6
-2.6Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND164♥♠10+1+0
-2.6Round 21🇮🇳 INDIA244♠♦A+1+0
-2.7Round 1🇩🇪 GERMANY34♥♣J-1-5
-2.7Round 21🇮🇳 INDIA143NT♦10=+0
-2.8Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♠♦A=-1
-2.9Round 12🇳🇿 NEW ZEALAND125♣♠6+1-11
-2.9Round 13🇨🇦 CANADA192♠♣2+1-1
-2.9Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND152NT♣J-2-5
-2.9Round 21🇮🇳 INDIA214♠♥4+2-1
-3.0Round 21🇮🇳 INDIA233NT♠7+1-1
-3.1Round 1🇩🇪 GERMANY94♠♣2-3-4
-3.2Round 12🇳🇿 NEW ZEALAND32♦♦5+2-1
-3.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND144♥♦A-1-5
-3.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND215♣♦10=+0
-3.4Round 10🇦🇺 AUSTRALIA34♠♣J-1-5
-3.5Round 11🇳🇱 NETHERLANDS241NT♠A+2-1
-3.5Round 18🇺🇸 U.S.A.84♥♣2-1-6
-3.6Round 6🇦🇷 ARGENTINA52♠♣10=-5
-3.6Round 8🇮🇹 ITALY114♥x♠6-1-6
-3.6Round 11🇳🇱 NETHERLANDS155♥♠A-2-6
-3.7Round 1🇩🇪 GERMANY42♠♥7+1+0
-3.7Round 21🇮🇳 INDIA226♠♦3=+0
-3.7Round 22🇩🇰 DENMARK32♠♠A=-5
-3.8Round 11🇳🇱 NETHERLANDS143♠♥A=-6
-3.8Round 13🇨🇦 CANADA153NT♥6=+0
-3.9Round 3🇫🇷 FRANCE145♠♣A+2-10
-4.0Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND176♠♦5=+0
-4.3Round 10🇦🇺 AUSTRALIA52♦x♣A-2-5
-4.3Round 15🇵🇱 POLAND144♥♠K+2-1
-4.3Round 15🇵🇱 POLAND163♦♠3-1-12
-4.3Round 22🇩🇰 DENMARK86♥x♣K-4+0
-4.4Round 18🇺🇸 U.S.A.71NT♠9+1-10
-4.7Round 1🇩🇪 GERMANY66♥♥8=+0
-5.4Round 22🇩🇰 DENMARK112♠♥3+1-1
-5.5Round 13🇨🇦 CANADA182♥♦K=-6
-5.5Round 21🇮🇳 INDIA163♠x♥J-2-3
-5.7Round 1🇩🇪 GERMANY12♣x♠Q+1-5
-6.3Round 13🇨🇦 CANADA225♣♥2-1-9
-6.4Round 10🇦🇺 AUSTRALIA66♦♠10-1-13
-6.4Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND96♠♦Q+1+11
-6.6Round 11🇳🇱 NETHERLANDS174♠x♥2-3-9
-7.1Round 21🇮🇳 INDIA184♥♦6=-3
-7.3Round 13🇨🇦 CANADA244♠♦2=-8
-7.5Round 22🇩🇰 DENMARK45♣♥A-1-12
-8.0Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND103♦♠K+1-10
-8.3Round 10🇦🇺 AUSTRALIA114♠♥Q-1-14
-8.3Round 12🇳🇿 NEW ZEALAND63NT♥10+1-7
-8.6Round 21🇮🇳 INDIA133♣x♠6-3-4
-8.6Round 21🇮🇳 INDIA174♥♦K=-11
-10.3Round 1🇩🇪 GERMANY54♥♣J=-10
-10.8Round 3🇫🇷 FRANCE213NT♠4+1-1
-10.9Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND124♥♥A=-11
-11.6Round 11🇳🇱 NETHERLANDS236♥♣2=+0
-11.9Round 18🇺🇸 U.S.A.24♠♥2+1-11