🇭🇰 ZEN Derek · CHINA HONG KONG

75rank
+6.6Butler · 192 bds
+0.03per board
±3.5swing
-0.54vs par /bd · #112/137
+0.06adjusted /bd
Butler per round: -3.3 0.3 8.9 -1.1 -3.4 4.1 7 -9.8 5.4 9.7 -15.4 -4.4 8.9 -0.7 3.6 -3.2by round

vs par split: bidding -0.49 · play -0.06

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.06/bd

Card play — on target: opening leads 77.6% #118 of 137 · declarer play 62.3% #123 of 137 · defence 89.2% #40 of 137

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)79.4% (34)
Declarer play53.8% (13)65.0% (40)
Defence78.6% (28)93.8% (65)

Opening leads by suit led: ♠ 81.8% (11) · ♥ 85.7% (7) · ♦ 70.6% (17) · ♣ 78.6% (14)

vs par by strain: NT -0.21 (53) · a suit -0.69 (138)

vs par by level: part-score -0.13 (82) · game -1.28 (97) · slam +2.42 (12)

By role: declaring +0.32/bd (-2.83 vs par · 98) · defending -0.26/bd (+1.85 vs par · 94)

By vulnerability: vulnerable +0.20/bd (-0.27 vs par · 96) · not vulnerable -0.13/bd (-0.80 vs par · 96)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.WanD.Kendrick – P.CollinsOpen12-3.3-0.27-3.25
Round 3S.WanV.Markowicz – J.KlukowskiOpen12+0.3+0.02+0.17
Round 4S.WanJ.Shah – A.GoelClosed12+8.9+0.74+0.33
Round 6S.WanL.Fresen – W.VogtClosed12-1.1-0.09-2.58
Round 7S.WanB.Wenneberg – G.SelldenClosed12-3.4-0.28-1.50
Round 9S.WanR.Klinger – W.HaughieClosed12+4.1+0.34-0.75
Round 10S.WanZ.Mahmood – M.HussainClosed12+7.0+0.58+3.08
Round 12S.WanC.Lin – K.ChengOpen12-9.8-0.82-0.42
Round 13S.WanN.Kokten – M.InceOpen12+5.4+0.45-0.25
Round 15S.WanT.Bakke – H.HantveitClosed12+9.7+0.81-1.83
Round 16S.WanG.Palmer – L.CartnerClosed12-15.4-1.28-2.33
Round 17S.WanP.Guillaumin – J.PalauOpen12-4.4-0.37-1.17
Round 18S.WanA.Yamada – K.OhnoOpen12+8.9+0.74+0.50
Round 19S.WanX.Shen – M.ShenOpen12-0.7-0.06-0.92
Round 22S.WanH.Nielsen – K.BoesgaardClosed12+3.6+0.30+1.58
Round 23S.WanA.Askalani – A.WahdanClosed12-3.2-0.27+0.75

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
+10.0Round 15🇳🇴 NORWAY116♦♠5=-2
+9.8Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND56♥♣2-1+14
+9.7Round 13🇹🇷 TURKEY54♥♦Q=+0
+7.5Round 19🇨🇳 CHINA123NT♥2-1+10
+7.4Round 18🇯🇵 JAPAN176NT♠7-1+14
+5.7Round 6🇩🇪 GERMANY214♠♥5=+0
+5.5Round 9🇦🇺 AUSTRALIA124♥♠2-1-1
+5.5Round 17🇫🇷 FRANCE27♥♦2=+0
+5.3Round 23🇪🇬 EGYPT94♥♦Q-1+10
+5.2Round 23🇪🇬 EGYPT64♥♣8=+0
+4.7Round 9🇦🇺 AUSTRALIA93NT♥4-1+10
+4.7Round 10🇵🇰 PAKISTAN164♠♦K+1+0
+4.7Round 18🇯🇵 JAPAN245♦♠A-1+10
+4.7Round 22🇩🇰 DENMARK153NT♦9+1+4
+4.5Round 4🇮🇳 INDIA243♣♠4=+5
+4.3Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND46♠♦K=+0
+4.2Round 10🇵🇰 PAKISTAN145♣x♥Q-1+6
+4.0Round 10🇵🇰 PAKISTAN191NT♠4-1+5
+3.8Round 4🇮🇳 INDIA222♥♠6+1+0
+3.7Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND86♥♣8+1-9
+3.7Round 4🇮🇳 INDIA202♥♠3+2+7
+3.7Round 22🇩🇰 DENMARK214♥♣A-2+0
+3.6Round 19🇨🇳 CHINA53♥♣3-1+5
+3.4Round 4🇮🇳 INDIA155♠♥3=+0
+3.4Round 9🇦🇺 AUSTRALIA63NT♦6+3+1
+3.1Round 13🇹🇷 TURKEY15♣♠5+1+11
+2.9Round 15🇳🇴 NORWAY123NT♥5=-11
+2.9Round 16🇳🇿 NEW ZEALAND201NT♣2+3+10
+2.7Round 19🇨🇳 CHINA35♦x♣5-1+0
+2.6Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND71NT♣4+3+1
+2.6Round 3🇵🇱 POLAND73♠♦Q+2+8
+2.6Round 10🇵🇰 PAKISTAN244♥♦10-2+0
+2.5Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♣J+1-10
+2.5Round 3🇵🇱 POLAND93NT♠J-2+5
+2.5Round 12🇹🇼 CHINESE TAIPEI223NT♠10+1+1
+2.5Round 15🇳🇴 NORWAY52♥♥3+1+0
+2.5Round 22🇩🇰 DENMARK162♠♣J-1+6
+2.4Round 13🇹🇷 TURKEY72♦♣2-1-1
+2.4Round 18🇯🇵 JAPAN184♥♦4+1+0
+2.3Round 6🇩🇪 GERMANY194♥♦J=-1
+2.1Round 3🇵🇱 POLAND12♦♣K+2+0
+2.1Round 9🇦🇺 AUSTRALIA13♠♣5-2+0
+1.8Round 3🇵🇱 POLAND63♥♠7=+0
+1.8Round 19🇨🇳 CHINA94♠♣A=+0
+1.8Round 22🇩🇰 DENMARK203♣♦Q-1-1
+1.7Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND22♠♣6=+1
+1.7Round 10🇵🇰 PAKISTAN233♥♦10-1+5
+1.7Round 13🇹🇷 TURKEY23NT♣Q+1+0
+1.7Round 22🇩🇰 DENMARK243NT♥Q=-1
+1.7Round 23🇪🇬 EGYPT87♦♣9=-2
+1.6Round 6🇩🇪 GERMANY173NT♠6+1+0
+1.6Round 7🇸🇪 SWEDEN113NT♠3-1+8
+1.6Round 19🇨🇳 CHINA113♦♣8-2-1
+1.5Round 3🇵🇱 POLAND42♠♣A+2+1
+1.5Round 6🇩🇪 GERMANY205♥♦Q=+13
+1.5Round 7🇸🇪 SWEDEN52♠♦2-1+5
+1.5Round 17🇫🇷 FRANCE102♥♣Q+1+0
+1.4Round 4🇮🇳 INDIA174♥♣A+2+11
+1.4Round 7🇸🇪 SWEDEN74♠♣Q=-1
+1.4Round 16🇳🇿 NEW ZEALAND134♠♦A=+0
+1.3Round 7🇸🇪 SWEDEN64♥♦A=-1
+1.3Round 13🇹🇷 TURKEY84♠♦A=+0
+1.3Round 17🇫🇷 FRANCE33♣♦J-2+0
+1.3Round 17🇫🇷 FRANCE63♥♦2=-8
+1.3Round 18🇯🇵 JAPAN194♥♣9+1-12
+1.3Round 22🇩🇰 DENMARK184♥♠3+2+11
+1.2Round 3🇵🇱 POLAND113♠♥A=+0
+1.2Round 7🇸🇪 SWEDEN126♣♣3+1-11
+1.2Round 12🇹🇼 CHINESE TAIPEI232♠♥10+1+0
+1.2Round 23🇪🇬 EGYPT45♣♥A-1-6
+1.1Round 16🇳🇿 NEW ZEALAND184♠♥3+1-13
+1.1Round 23🇪🇬 EGYPT13NT♥3=+2
+1.1Round 23🇪🇬 EGYPT72♠♦6=+0
+1.0Round 3🇵🇱 POLAND83NT♥3+2+1
+1.0Round 6🇩🇪 GERMANY222NT♥5-1-4
+1.0Round 7🇸🇪 SWEDEN84♠♦3+1+0
+1.0Round 9🇦🇺 AUSTRALIA83NT♥4-2+6
+1.0Round 12🇹🇼 CHINESE TAIPEI242♠♦10-2+7
+1.0Round 18🇯🇵 JAPAN204♠♣J+1-13
+1.0Round 22🇩🇰 DENMARK233♦♦9+1+0
+0.9Round 4🇮🇳 INDIA211NT♣K+1+1
+0.8Round 9🇦🇺 AUSTRALIA22♠♣5=+0
+0.8Round 13🇹🇷 TURKEY92NT♣5=-1
+0.8Round 15🇳🇴 NORWAY63♣♥A=+0
+0.7Round 13🇹🇷 TURKEY64♥♦Q+1+0
+0.7Round 15🇳🇴 NORWAY13♦♠A=+0
+0.7Round 15🇳🇴 NORWAY93♣♥6-2-9
+0.7Round 23🇪🇬 EGYPT52♥♣2+1+0
+0.5Round 7🇸🇪 SWEDEN102♦♣2+1-10
+0.5Round 10🇵🇰 PAKISTAN204♠♣K+1+0
+0.5Round 15🇳🇴 NORWAY104♠♥J+1+0
+0.5Round 16🇳🇿 NEW ZEALAND221NT♠9-1+0
+0.4Round 4🇮🇳 INDIA194♥♣3=-8
+0.4Round 9🇦🇺 AUSTRALIA73NT♠2+3-17
+0.4Round 10🇵🇰 PAKISTAN151♠♦J+1+1
+0.4Round 17🇫🇷 FRANCE95♣x♠A-2+0
+0.3Round 17🇫🇷 FRANCE54♠♥6+1-11
+0.3Round 23🇪🇬 EGYPT32♠♦2=+1
+0.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♠4+1+1
+0.2Round 4🇮🇳 INDIA133NT♥6-2-8
+0.2Round 18🇯🇵 JAPAN222♥♣2=-1
+0.2Round 19🇨🇳 CHINA42♠♦2=+1
+0.1Round 4🇮🇳 INDIA183NT♠8+1+1
+0.1Round 6🇩🇪 GERMANY244NT♥A+1+0
+0.1Round 9🇦🇺 AUSTRALIA112♦♠6=+0
+0.1Round 12🇹🇼 CHINESE TAIPEI144♠♠J+1+0
+0.1Round 17🇫🇷 FRANCE124♠♥6+1+0
+0.1Round 18🇯🇵 JAPAN165♠♥A+1+8
-0.0Round 16🇳🇿 NEW ZEALAND142NT♥8-1+5
+0.0Round 16🇳🇿 NEW ZEALAND232♠♥K+1-10
+0.0Round 22🇩🇰 DENMARK143NT♠9+2+0
-0.3Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠x♥A-2-4
-0.3Round 6🇩🇪 GERMANY183♣♥3-1+0
-0.3Round 7🇸🇪 SWEDEN33NT♦K-1+5
-0.3Round 9🇦🇺 AUSTRALIA44♠♥Q=-1
-0.3Round 12🇹🇼 CHINESE TAIPEI183NT♣4-2-6
-0.3Round 16🇳🇿 NEW ZEALAND153♦♣K+1+7
-0.4Round 12🇹🇼 CHINESE TAIPEI16Pass+3
-0.4Round 19🇨🇳 CHINA64♥♠A-1-5
-0.4Round 22🇩🇰 DENMARK193♠♠3+1+10
-0.5Round 4🇮🇳 INDIA142NT♠2=+5
-0.5Round 7🇸🇪 SWEDEN92♠♥J+1+0
-0.5Round 10🇵🇰 PAKISTAN183♠♥10-1+1
-0.7Round 7🇸🇪 SWEDEN14♠♦3+1+0
-0.7Round 15🇳🇴 NORWAY42NT♠J-2+7
-0.8Round 12🇹🇼 CHINESE TAIPEI172NT♣7+2+6
-0.8Round 13🇹🇷 TURKEY114♥♣Q+1+0
-0.9Round 10🇵🇰 PAKISTAN213♠♥A-1+5
-1.0Round 4🇮🇳 INDIA235♥♣A=+0
-1.0Round 6🇩🇪 GERMANY153NT♥J=-1
-1.0Round 12🇹🇼 CHINESE TAIPEI151NT♠5+3-6
-1.0Round 12🇹🇼 CHINESE TAIPEI203♠♣4=+0
-1.0Round 18🇯🇵 JAPAN134♠♦4=+1
-1.0Round 18🇯🇵 JAPAN143♦♠3+3+12
-1.0Round 22🇩🇰 DENMARK133♦♦5=+0
-1.0Round 23🇪🇬 EGYPT122♥♠4-1+2
-1.1Round 18🇯🇵 JAPAN152♥♦7=-7
-1.1Round 18🇯🇵 JAPAN214♠♣10+1+0
-1.2Round 3🇵🇱 POLAND121NT♠2=-1
-1.2Round 9🇦🇺 AUSTRALIA32NT♠6=-9
-1.3Round 6🇩🇪 GERMANY163NT♦4-1-4
-1.3Round 15🇳🇴 NORWAY74♥♠K+1+0
-1.3Round 16🇳🇿 NEW ZEALAND242♠♦9-2-7
-1.3Round 19🇨🇳 CHINA14♥♦K+1+0
-1.5Round 3🇵🇱 POLAND32♣♦4+2+0
-1.5Round 15🇳🇴 NORWAY84♥♠Q=-8
-1.5Round 19🇨🇳 CHINA21NT♠2+1+0
-1.5Round 22🇩🇰 DENMARK174NT♥6=+0
-1.5Round 23🇪🇬 EGYPT102♦♣6-1+0
-1.6Round 10🇵🇰 PAKISTAN224♥x♠J-4+11
-1.6Round 13🇹🇷 TURKEY123NT♦6=+1
-1.6Round 17🇫🇷 FRANCE114♣♠2-1+3
-1.9Round 3🇵🇱 POLAND102♥♠7+1+0
-1.9Round 19🇨🇳 CHINA83♣♠A=-5
-2.0Round 19🇨🇳 CHINA71NT♣5+1-6
-2.2Round 12🇹🇼 CHINESE TAIPEI194♠♦A=+0
-2.2Round 15🇳🇴 NORWAY31NT♦5+1+1
-2.5Round 12🇹🇼 CHINESE TAIPEI131NT♣6+1+0
-2.7Round 13🇹🇷 TURKEY104♥♠Q+2-12
-2.7Round 15🇳🇴 NORWAY23NT♥4=+0
-2.8Round 6🇩🇪 GERMANY133♠♠J=-7
-2.8Round 17🇫🇷 FRANCE16♠♥J+1+11
-2.8Round 17🇫🇷 FRANCE73♥♣Q-2-3
-2.9Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND61NT♦4+2+0
-2.9Round 10🇵🇰 PAKISTAN172♣♠6-1-9
-3.2Round 3🇵🇱 POLAND24♠♦7+2-11
-3.2Round 6🇩🇪 GERMANY233NT♦5+4-16
-3.4Round 13🇹🇷 TURKEY44♥♣10=+10
-3.7Round 17🇫🇷 FRANCE83♦♦2+3-1
-3.9Round 17🇫🇷 FRANCE42♠♦Q=-5
-4.0Round 18🇯🇵 JAPAN233NT♥J-1-6
-4.1Round 16🇳🇿 NEW ZEALAND161♥x♣A-1-6
-4.4Round 7🇸🇪 SWEDEN43♥♠K-2-7
-4.4Round 9🇦🇺 AUSTRALIA54♥♦J=-11
-4.5Round 16🇳🇿 NEW ZEALAND193NT♣10-1-5
-4.6Round 3🇵🇱 POLAND56♥♠Q=-1
-4.7Round 6🇩🇪 GERMANY144♠♣10+2-11
-4.8Round 16🇳🇿 NEW ZEALAND173NT♠3+2+0
-4.9Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♠x♣Q-3-14
-5.2Round 10🇵🇰 PAKISTAN134♠x♥Q-3+12
-5.6Round 23🇪🇬 EGYPT114♥♦A=+0
-5.8Round 13🇹🇷 TURKEY34♠x♣A-1-11
-6.0Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♥♣4-2-7
-6.0Round 7🇸🇪 SWEDEN22♥♣K=-6
-6.3Round 16🇳🇿 NEW ZEALAND214♥♦Q+2-9
-6.4Round 12🇹🇼 CHINESE TAIPEI214♠♣6-1-10
-8.0Round 4🇮🇳 INDIA164♠♥3-1-10
-8.0Round 9🇦🇺 AUSTRALIA106♥♠4=+13
-10.2Round 22🇩🇰 DENMARK223NT♥2-1-10
-11.0Round 19🇨🇳 CHINA103NT♥2+1-10
-11.7Round 23🇪🇬 EGYPT27♣♠K=+2
-14.0Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND105♥x♠5-2-12