🇭🇰 ZEN Derek · CHINA HONG KONG

52rank
+55.8Butler · 240 bds
+0.23per board
±4.4swing
+0.78vs par /bd · #9/139
+0.14adjusted /bd
Butler per round: 15.4 -4 -12.8 11 4.3 5.1 13.1 -5.9 22.7 -29.2 10.1 7.5 -0.4 5.6 13.3by round

vs par split: bidding +0.87 · play -0.08

Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.14/bd

Card play — on target: opening leads 81.2% #30 of 139 · declarer play 70.8% #99 of 139 · defence 85.4% #96 of 139

Card play by contract type — on target
vs NTvs a suit
Opening leads64.0% (25)90.9% (44)
Declarer play68.0% (25)72.5% (40)
Defence92.9% (42)81.8% (88)

Opening leads by suit led: ♠ 76.9% (13) · ♥ 79.2% (24) · ♦ 93.3% (15) · ♣ 76.5% (17)

vs par by strain: NT +0.94 (87) · a suit +0.69 (153)

vs par by level: part-score +0.35 (81) · game +0.76 (143) · slam +3.19 (16)

By role: declaring +0.07/bd (-1.85 vs par · 110) · defending +0.36/bd (+3.02 vs par · 130)

By vulnerability: vulnerable +0.07/bd (+0.62 vs par · 120) · not vulnerable +0.40/bd (+0.95 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.WanJ.Botbol – P.SibonyClosed16+15.4+0.96+1.69
Round 2S.WanD.Ramirez – P.CazabonClosed16-4.0-0.25-2.25
Round 4S.WanG.Chen – Z.ZhuangOpen16-12.8-0.80+0.88
Round 5S.WanD.Gerin – J.PelletierOpen16+11.0+0.69+1.25
Round 7S.WanR.Katz – N.NickellClosed16+4.3+0.27-1.62
Round 8S.WanA.Robson – T.ForresterClosed16+5.1+0.32+0.69
Round 10S.WanR.Amiry – A.SamirClosed16+13.1+0.82+3.00
Round 11S.WanJ.Kalita – M.NowosadzkiClosed16-5.9-0.37+0.12
Round 13S.WanK.Fergani – F.PollackOpen16+22.7+1.42+2.38
Round 14S.WanO.Rimstedt – M.RimstedtOpen16-29.2-1.82-0.06
Round 16S.WanS.Haque – M.AhasanOpen16+10.1+0.63+0.44
Round 18S.WanY.Khiuppenen – V.KholomeevClosed16+7.5+0.47+0.88
Round 19S.WanM.Brown – M.WhibleyOpen16-0.4-0.03+0.94
Round 21S.WanN.Edgtton – A.HungOpen16+5.6+0.35+2.25
Round 22S.WanC.Lam – W.TanOpen16+13.3+0.83+1.19

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
+14.6Round 16🇧🇩 BANGLADESH196♠x♥8-3+16
+14.1Round 16🇧🇩 BANGLADESH255♥x♠A=+14
+10.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND296♦♥9-2+17
+9.9Round 4🇨🇳 CHINA225♣♥3=+7
+9.9Round 13🇨🇦 CANADA103NT♠2=+10
+9.9Round 22🇸🇬 SINGAPORE173♠♣2+1+14
+9.8Round 14🇸🇪 SWEDEN314♠♣K-2+11
+9.3Round 21🇦🇺 AUSTRALIA55♣♥4-2+11
+9.2Round 2🇨🇱 CHILE207♦♥2=+0
+8.8Round 18🇷🇺 RUSSIA293NT♠2-1+13
+8.5Round 1🇲🇦 MOROCCO83NT♦Q-2+17
+7.8Round 10🇪🇬 EGYPT294♠♣A=+10
+7.6Round 10🇪🇬 EGYPT263♠♥Q+1+10
+7.6Round 16🇧🇩 BANGLADESH213NT♥6=+10
+7.2Round 13🇨🇦 CANADA74♥♦2-3+10
+7.0Round 7🇺🇸 USA 1104♥♣A=+0
+6.4Round 5🇬🇵 GUADELOUPE34♠♦10-1+12
+6.3Round 14🇸🇪 SWEDEN243NT♥3-1+10
+6.0Round 2🇨🇱 CHILE303NT♥K+1+1
+6.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND225♦x♥10=+3
+6.0Round 10🇪🇬 EGYPT276♥♦A=+0
+6.0Round 19🇳🇿 NEW ZEALAND124♠♥6-1+5
+5.9Round 7🇺🇸 USA 136♠♣Q-1+13
+5.9Round 7🇺🇸 USA 192NT♠4+1+10
+5.6Round 18🇷🇺 RUSSIA321NTx♥9-1+8
+5.3Round 7🇺🇸 USA 1142♣x♦K-3+3
+5.3Round 14🇸🇪 SWEDEN224♥♣J-1+12
+5.3Round 18🇷🇺 RUSSIA252NT♠2-3+4
+5.2Round 2🇨🇱 CHILE295♥x♣K=+5
+5.1Round 4🇨🇳 CHINA273♥♠K=+6
+5.1Round 21🇦🇺 AUSTRALIA123NT♠4=+10
+5.0Round 5🇬🇵 GUADELOUPE143NT♣2-2+6
+4.7Round 16🇧🇩 BANGLADESH231NT♦5+2+2
+4.7Round 22🇸🇬 SINGAPORE245♦x♠K-1+5
+4.6Round 1🇲🇦 MOROCCO103NT♥3+2+0
+4.5Round 21🇦🇺 AUSTRALIA115♦♣2+2+11
+4.3Round 19🇳🇿 NEW ZEALAND33NT♥5+3+17
+4.3Round 22🇸🇬 SINGAPORE216NT♣10=+0
+4.2Round 11🇵🇱 POLAND12♥♠9-2+5
+4.0Round 13🇨🇦 CANADA62♦♠5-2+7
+3.9Round 5🇬🇵 GUADELOUPE61NT♣3-3+5
+3.9Round 5🇬🇵 GUADELOUPE123NT♥3+3+11
+3.8Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♠♣K-2+0
+3.8Round 22🇸🇬 SINGAPORE194♥♣10=+0
+3.8Round 22🇸🇬 SINGAPORE253♠♥Q+1+10
+3.7Round 1🇲🇦 MOROCCO63NT♠K-2+8
+3.7Round 11🇵🇱 POLAND125♣x♥K-4-12
+3.7Round 22🇸🇬 SINGAPORE203NT♠2+3+13
+3.6Round 1🇲🇦 MOROCCO91NT♠A-2+3
+3.6Round 10🇪🇬 EGYPT184♥♦10-1-2
+3.3Round 10🇪🇬 EGYPT244♥♦J-2+11
+3.2Round 5🇬🇵 GUADELOUPE73♥♠3+1+1
+3.1Round 14🇸🇪 SWEDEN186♣♠A-1+11
+3.0Round 7🇺🇸 USA 1163NT♥9+1+0
+3.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND211NT♥2-3+1
+3.0Round 18🇷🇺 RUSSIA213♦♠2=+0
+3.0Round 19🇳🇿 NEW ZEALAND83NT♣J-1+5
+3.0Round 19🇳🇿 NEW ZEALAND104♠♥9-2+8
+2.9Round 13🇨🇦 CANADA143NT♥Q+1+0
+2.9Round 21🇦🇺 AUSTRALIA161NT♦3=+0
+2.9Round 22🇸🇬 SINGAPORE273NT♦5+1+1
+2.8Round 13🇨🇦 CANADA164♠♥A+1+0
+2.7Round 1🇲🇦 MOROCCO34♠♥2+1+13
+2.6Round 5🇬🇵 GUADELOUPE23♠♦9-2+6
+2.6Round 11🇵🇱 POLAND24♥♦A-2+6
+2.5Round 2🇨🇱 CHILE233NT♠3=+0
+2.5Round 4🇨🇳 CHINA212NT♠Q+3+6
+2.5Round 16🇧🇩 BANGLADESH276♥♦6=+0
+2.5Round 18🇷🇺 RUSSIA205♦x♠K-2+4
+2.5Round 21🇦🇺 AUSTRALIA91NT♥4=+5
+2.4Round 13🇨🇦 CANADA133♠♥Q-1+5
+2.3Round 13🇨🇦 CANADA24♥♦A+1+0
+2.3Round 21🇦🇺 AUSTRALIA144♥♥6-1+5
+2.2Round 1🇲🇦 MOROCCO152♣♦Q-2+0
+2.2Round 14🇸🇪 SWEDEN254♠♥7-1+6
+2.1Round 2🇨🇱 CHILE183NT♠2-1+5
+2.1Round 11🇵🇱 POLAND142♥♣5=+5
+2.1Round 16🇧🇩 BANGLADESH283♣♠A=+0
+2.0Round 2🇨🇱 CHILE213♠♥2-2-1
+2.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND316NT♠9=+0
+2.0Round 11🇵🇱 POLAND103♥♠A=+2
+2.0Round 19🇳🇿 NEW ZEALAND62♦♥3+2+1
+2.0Round 19🇳🇿 NEW ZEALAND143NT♠10=+15
+1.9Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253NT♥9+1+0
+1.9Round 10🇪🇬 EGYPT203NT♦5-1+6
+1.9Round 16🇧🇩 BANGLADESH261♠♦K=+0
+1.8Round 14🇸🇪 SWEDEN273NT♥A-1+5
+1.7Round 4🇨🇳 CHINA324♠♥5+1+1
+1.7Round 7🇺🇸 USA 161NT♦3+1+0
+1.7Round 11🇵🇱 POLAND73NT♥3-1-5
+1.7Round 18🇷🇺 RUSSIA302♥♣J-1-2
+1.6Round 19🇳🇿 NEW ZEALAND161NT♥4+1+0
+1.3Round 1🇲🇦 MOROCCO74♠x♣A-2+4
+1.3Round 11🇵🇱 POLAND112NT♦3=+1
+1.3Round 13🇨🇦 CANADA114♠♣K=-1
+1.2Round 22🇸🇬 SINGAPORE293NT♦3+1+1
+1.1Round 11🇵🇱 POLAND155♦♠7+1+14
+1.1Round 13🇨🇦 CANADA13♥♣6-1+4
+1.1Round 16🇧🇩 BANGLADESH294♠♥K+1+0
+1.0Round 1🇲🇦 MOROCCO52♠♠A=+0
+1.0Round 4🇨🇳 CHINA172♥♦10-1-2
+1.0Round 5🇬🇵 GUADELOUPE84♥♣10=+0
+1.0Round 5🇬🇵 GUADELOUPE102♠♥K+2+10
+1.0Round 10🇪🇬 EGYPT253NT♥4+1+0
+0.9Round 1🇲🇦 MOROCCO44♥♣J+1+13
+0.8Round 1🇲🇦 MOROCCO23NT♥5+2+0
+0.8Round 19🇳🇿 NEW ZEALAND13NT♠5+2+1
+0.4Round 10🇪🇬 EGYPT322♥♠J-1-1
+0.4Round 11🇵🇱 POLAND51NT♠4+1-10
+0.4Round 14🇸🇪 SWEDEN214♠♥10+1+1
+0.4Round 18🇷🇺 RUSSIA231NT♣10=+1
+0.3Round 2🇨🇱 CHILE193NT♠6+1+1
+0.3Round 10🇪🇬 EGYPT174♥♠3=+0
+0.3Round 16🇧🇩 BANGLADESH203♥♥6=+1
+0.3Round 21🇦🇺 AUSTRALIA84♦♣A-1+4
+0.2Round 5🇬🇵 GUADELOUPE162♠♠2=+0
+0.2Round 13🇨🇦 CANADA84♠♣A+1+0
+0.1Round 2🇨🇱 CHILE254♠♥4-1-5
+0.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND234♥♦6+3+12
+0.1Round 10🇪🇬 EGYPT233NT♣2=+2
+0.1Round 19🇳🇿 NEW ZEALAND53NT♦5+1+0
+0.0Round 4🇨🇳 CHINA252♣x♠Q-4+12
+0.0Round 4🇨🇳 CHINA303NT♥8+2+11
+0.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND323NT♠9+1+0
+0.0Round 18🇷🇺 RUSSIA184♠♣A=+1
-0.0Round 22🇸🇬 SINGAPORE324♥♣10=+0
-0.1Round 5🇬🇵 GUADELOUPE14♥♠10-1-11
-0.2Round 18🇷🇺 RUSSIA243NT♣6=+0
-0.2Round 19🇳🇿 NEW ZEALAND151NT♦9+2-1
-0.3Round 7🇺🇸 USA 1154♥♥10=+1
-0.3Round 18🇷🇺 RUSSIA273NT♦2+1-1
-0.4Round 7🇺🇸 USA 152♠♦5-1-10
-0.4Round 11🇵🇱 POLAND163NT♦4=+0
-0.4Round 14🇸🇪 SWEDEN293NT♦9+1-1
-0.4Round 22🇸🇬 SINGAPORE234♥♦9+1+0
-0.4Round 22🇸🇬 SINGAPORE263♦♣3-1+1
-0.5Round 2🇨🇱 CHILE263NT♣Q=+0
-0.5Round 5🇬🇵 GUADELOUPE94♠♦A=+0
-0.5Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND303NT♥3+2-1
-0.5Round 13🇨🇦 CANADA153♥♣J+1+1
-0.7Round 1🇲🇦 MOROCCO162♦♦3+1-7
-0.7Round 2🇨🇱 CHILE243NT♥Q+1-1
-0.7Round 10🇪🇬 EGYPT283NT♥3+2+10
-0.8Round 4🇨🇳 CHINA234♥♦3+1+13
-0.8Round 13🇨🇦 CANADA33♦♠2-1-1
-0.8Round 18🇷🇺 RUSSIA171NT♥3-1+3
-0.9Round 4🇨🇳 CHINA204♠♠5=-1
-0.9Round 5🇬🇵 GUADELOUPE154♥♥J+1+0
-0.9Round 21🇦🇺 AUSTRALIA31NT♦4-2+1
-0.9Round 21🇦🇺 AUSTRALIA104♥♠J+1+0
-1.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♠♠J+2-2
-1.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND272♠♥5-1-2
-1.0Round 16🇧🇩 BANGLADESH173♦♣A-1-2
-1.0Round 19🇳🇿 NEW ZEALAND114♠♥6+1-1
-1.1Round 22🇸🇬 SINGAPORE303NT♥4+1+0
-1.2Round 5🇬🇵 GUADELOUPE112♠♥Q-1-4
-1.2Round 11🇵🇱 POLAND43♦♣Q+2+10
-1.2Round 19🇳🇿 NEW ZEALAND93♦♣3=+1
-1.3Round 21🇦🇺 AUSTRALIA13♦♥4-1-3
-1.4Round 4🇨🇳 CHINA262♥♦5+1-6
-1.4Round 7🇺🇸 USA 114♥♣A-2+1
-1.4Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND263♥♠6-3-4
-1.4Round 10🇪🇬 EGYPT213NT♥5+4+10
-1.4Round 13🇨🇦 CANADA54♠x♥Q-3-4
-1.4Round 22🇸🇬 SINGAPORE224♠♥A-1-8
-1.6Round 1🇲🇦 MOROCCO133NT♠8+4-17
-1.6Round 7🇺🇸 USA 172♥♦K+1+0
-1.6Round 7🇺🇸 USA 1124♥♦10-1-12
-1.6Round 10🇪🇬 EGYPT197♦♦3=+2
-1.6Round 16🇧🇩 BANGLADESH246♠♣A=+0
-1.6Round 21🇦🇺 AUSTRALIA42♠♣5+2-2
-1.7Round 11🇵🇱 POLAND132♠♣A+1+8
-1.9Round 21🇦🇺 AUSTRALIA134♦♣K-1-6
-2.0Round 2🇨🇱 CHILE321NT♣Q=+1
-2.0Round 4🇨🇳 CHINA314♥♣5+1+0
-2.1Round 1🇲🇦 MOROCCO114♠♥4-1+2
-2.2Round 1🇲🇦 MOROCCO121NT♣A=+1
-2.2Round 10🇪🇬 EGYPT313♦♠10-1+1
-2.3Round 1🇲🇦 MOROCCO143NT♠9-1-10
-2.3Round 4🇨🇳 CHINA194♥♦A-1-10
-2.3Round 13🇨🇦 CANADA123♥♣3=+0
-2.3Round 18🇷🇺 RUSSIA283NT♣7+1+1
-2.4Round 2🇨🇱 CHILE175♦♠2+1-2
-2.4Round 18🇷🇺 RUSSIA263NT♦K-2-8
-2.6Round 5🇬🇵 GUADELOUPE53NT♦3+1+0
-2.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND244♥♦8+1-10
-2.7Round 7🇺🇸 USA 1113♣♠7=+0
-2.7Round 18🇷🇺 RUSSIA193NT♦6+2-2
-2.7Round 21🇦🇺 AUSTRALIA154♠♣3=+0
-2.9Round 13🇨🇦 CANADA94♠♥4-2-7
-3.0Round 21🇦🇺 AUSTRALIA75♦♠K+1+13
-3.1Round 18🇷🇺 RUSSIA314♥♠3=+0
-3.2Round 14🇸🇪 SWEDEN172NT♥K-3-2
-3.5Round 4🇨🇳 CHINA185♥x♠3-1-7
-3.5Round 7🇺🇸 USA 182♥♦A=-6
-3.5Round 13🇨🇦 CANADA45♦♥A+1+14
-3.5Round 19🇳🇿 NEW ZEALAND21NT♦6=-5
-3.8Round 11🇵🇱 POLAND82♠♥2+1+0
-3.8Round 21🇦🇺 AUSTRALIA23NT♠6=-2
-4.0Round 5🇬🇵 GUADELOUPE42♠♣3+1-6
-4.0Round 7🇺🇸 USA 145♣x♥K-1-8
-4.2Round 19🇳🇿 NEW ZEALAND132NT♥4-2-7
-4.3Round 22🇸🇬 SINGAPORE183NT♠6-1-6
-4.4Round 7🇺🇸 USA 122♥♣J+2-10
-4.6Round 7🇺🇸 USA 1135♦x♠5-1-8
-4.7Round 11🇵🇱 POLAND33NT♥K-3-11
-4.7Round 22🇸🇬 SINGAPORE313NT♠6-1-12
-4.8Round 14🇸🇪 SWEDEN303NT♥3-3-7
-5.0Round 1🇲🇦 MOROCCO14♠♣A=+0
-5.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND282♦♦5-3-8
-5.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND196♠♥10+1+13
-5.1Round 16🇧🇩 BANGLADESH314♥♣9+1-1
-5.2Round 2🇨🇱 CHILE283NT♦3+3-13
-5.2Round 14🇸🇪 SWEDEN233NT♠9+1-1
-5.2Round 21🇦🇺 AUSTRALIA64♠♣K+2-11
-5.3Round 4🇨🇳 CHINA294♠♠6=+1
-5.4Round 2🇨🇱 CHILE315♦♥A-2-7
-5.5Round 10🇪🇬 EGYPT222♠♥4=+0
-5.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173NT♥A-4-8
-6.4Round 14🇸🇪 SWEDEN204♥♣6-1-6
-6.4Round 19🇳🇿 NEW ZEALAND72♥♥8=-12
-6.5Round 16🇧🇩 BANGLADESH324♠♣6-1-10
-6.6Round 11🇵🇱 POLAND67♠♣J=+0
-6.6Round 11🇵🇱 POLAND95♥x♦10-1-11
-6.7Round 19🇳🇿 NEW ZEALAND44♥♣5-1-12
-6.9Round 5🇬🇵 GUADELOUPE134♠♦10=-10
-7.2Round 2🇨🇱 CHILE272♥♠3-1-10
-7.5Round 10🇪🇬 EGYPT304♥♠3=-11
-7.5Round 16🇧🇩 BANGLADESH183NT♥3+2-2
-7.8Round 16🇧🇩 BANGLADESH302♥x♠9=-11
-7.9Round 14🇸🇪 SWEDEN195♣x♣2-2-5
-8.0Round 2🇨🇱 CHILE226NT♠10-1-10
-8.0Round 14🇸🇪 SWEDEN263♥♣A-1-11
-8.0Round 18🇷🇺 RUSSIA224♥♠A+1-8
-8.1Round 4🇨🇳 CHINA283NTx♥Q=-9
-8.7Round 4🇨🇳 CHINA243NTx♠K+1-8
-8.7Round 22🇸🇬 SINGAPORE287♥♥7=+0
-9.3Round 16🇧🇩 BANGLADESH223NT♣8-1-10
-10.7Round 14🇸🇪 SWEDEN326♠♦A-1-11
-11.5Round 14🇸🇪 SWEDEN285♣♠3-1-13