🇸🇬 ZHOU Ming Yang · SINGAPORE

6rank
+207.2Butler · 224 bds
+0.93per board
±4.5swing
+0.06vs par /bd · #68/116
+0.86adjusted /bd
Butler per round: 2 13.3 13.6 7.7 5.7 41.1 42.6 -19.4 0.6 -0.7 10 25.9 7.9 12.1 5.8 39by round

vs par split: bidding -0.30 · play +0.36

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.86/bd

Card play — on target: opening leads 62.3% #116 of 116 · declarer play 70.6% #80 of 116 · defence 87.1% #41 of 116

Card play by contract type — on target
vs NTvs a suit
Opening leads58.8% (17)63.9% (36)
Declarer play63.6% (22)73.9% (46)
Defence86.7% (30)87.3% (71)

Opening leads by suit led: ♠ 44.4% (18) · ♥ 84.6% (13) · ♦ 63.6% (11) · ♣ 63.6% (11)

vs par by strain: NT -0.28 (67) · a suit +0.20 (157)

vs par by level: part-score +0.34 (79) · game -0.12 (131) · slam +0.14 (14)

By role: declaring +1.01/bd (-1.70 vs par · 123) · defending +0.82/bd (+2.20 vs par · 101)

By vulnerability: vulnerable +0.83/bd (-0.35 vs par · 112) · not vulnerable +1.02/bd (+0.46 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1X.ZhuM.Litterst – V.OttoClosed14+2.0+0.14-1.57
Round 3X.ZhuB.Szirmay-Kalos – B.FischerOpen14+13.3+0.95+2.21
Round 4X.ZhuM.Bojarski – M.ChodackiClosed14+13.6+0.97+0.50
Round 5X.ZhuG.Donati – G.PercarioClosed14+7.7+0.55+0.71
Round 6X.ZhuR.Yamada – K.KobayashiClosed14+5.7+0.41-3.29
Round 7X.ZhuJ.Zamora Villamizar – D.Cardenas CardenasClosed14+41.1+2.94+2.71
Round 8X.ZhuS.Ekenberg – S.HultClosed14+42.6+3.04+2.21
Round 10X.ZhuC.Jolly – J.KayeClosed14-19.4-1.39-3.64
Round 12X.ZhuX.Feng – V.LamoureuxOpen14+0.6+0.04+0.79
Round 13X.ZhuY.Tao – S.LiuOpen14-0.7-0.05+1.07
Round 14X.ZhuC.Bakke – H.EideOpen14+10.0+0.71-0.93
Round 15X.ZhuT.Polak – T.Van OverbeekeClosed14+25.9+1.85+3.14
Round 17X.ZhuY.Wiseman – S.ShahClosed14+7.9+0.56-1.14
Round 18X.ZhuA.Elselehdar – M.TharwatOpen14+12.1+0.86-1.79
Round 19X.ZhuM.Myllaeri – V.FagerlundOpen14+5.8+0.41-0.93
Round 20X.ZhuA.Edgtton – M.HenbestClosed14+39.0+2.79+0.86

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
+13.7Round 13🇨🇳 CHINA137♥x♣A-1+17
+12.4Round 6🇯🇵 JAPAN195♣♠3+2+13
+12.1Round 13🇨🇳 CHINA76♥x♣9-2+18
+11.7Round 14🇳🇴 NORWAY163NT♠K-6+10
+11.6Round 7🇨🇴 COLOMBIA56♦x♠10-1+13
+10.4Round 7🇨🇴 COLOMBIA93♠x♣J+1+10
+10.4Round 19🇫🇮 FINLAND133♦x♣K+1+13
+10.0Round 8🇸🇪 SWEDEN155♦♠A-1+11
+9.4Round 1🇩🇪 GERMANY123NT♣7-2+8
+9.2Round 19🇫🇮 FINLAND23NT♦7=-1
+9.0Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33NT♥5+2+2
+8.7Round 20🇦🇺 AUSTRALIA266♠♥K=+0
+8.6Round 3🇭🇺 HUNGARY113NT♥9+2+8
+8.4Round 15🇳🇱 NETHERLANDS64♥♣10=-1
+8.3Round 1🇩🇪 GERMANY75♠♦K=+10
+8.2Round 7🇨🇴 COLOMBIA13NT♥K-1+10
+8.0Round 18🇪🇬 EGYPT245♣♠Q-1+11
+7.9Round 20🇦🇺 AUSTRALIA183NT♠A=+7
+7.6Round 14🇳🇴 NORWAY235♣♠3=-1
+7.4Round 4🇵🇱 POLAND163NT♥7=+0
+7.3Round 8🇸🇪 SWEDEN287♣♥Q=-2
+7.2Round 15🇳🇱 NETHERLANDS44♠♥3-1+12
+7.1Round 4🇵🇱 POLAND253NT♥2=+7
+6.8Round 5🇮🇹 ITALY144♠♦Q-1+8
+6.8Round 18🇪🇬 EGYPT186♣♦8=-12
+6.1Round 1🇩🇪 GERMANY84♠♦Q=+3
+6.1Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♠♣7=+3
+6.1Round 19🇫🇮 FINLAND42♥♣3=+12
+6.0Round 8🇸🇪 SWEDEN233NT♠8-1+6
+5.9Round 10🇺🇸 USA2203♦♠K=+0
+5.6Round 7🇨🇴 COLOMBIA25♣x♠K=+4
+5.5Round 3🇭🇺 HUNGARY23♦♣5-3+7
+5.5Round 3🇭🇺 HUNGARY123NT♥J+1+8
+5.4Round 18🇪🇬 EGYPT174♥♠3=+8
+5.4Round 18🇪🇬 EGYPT223NT♦K+1+0
+5.3Round 13🇨🇳 CHINA25♥♦A-1+12
+5.1Round 12🇨🇦 CANADA184♠♥J-1+6
+5.0Round 3🇭🇺 HUNGARY41NT♠6-4+6
+5.0Round 4🇵🇱 POLAND234♥♦3-1+6
+5.0Round 6🇯🇵 JAPAN186♦♥3=+0
+5.0Round 20🇦🇺 AUSTRALIA223NT♣3+2+1
+4.7Round 19🇫🇮 FINLAND62♦x♠J=+7
+4.4Round 10🇺🇸 USA2173NT♣10-3+6
+4.3Round 4🇵🇱 POLAND153♥♦5+1-1
+4.3Round 8🇸🇪 SWEDEN212♠♦A+1+12
+4.2Round 12🇨🇦 CANADA174♠♥A-2+5
+3.7Round 12🇨🇦 CANADA282♣x♥A-3+9
+3.6Round 5🇮🇹 ITALY42♥♣7-1+0
+3.6Round 6🇯🇵 JAPAN213NT♥A=-1
+3.6Round 7🇨🇴 COLOMBIA73♦♣Q-1+1
+3.6Round 8🇸🇪 SWEDEN173NT♠3+1+4
+3.6Round 8🇸🇪 SWEDEN226♠♣J=-11
+3.6Round 8🇸🇪 SWEDEN264♥♠2=-1
+3.6Round 20🇦🇺 AUSTRALIA214♥♦9+2-11
+3.5Round 3🇭🇺 HUNGARY62♠♣K-1+5
+3.4Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠♣K=-1
+3.4Round 20🇦🇺 AUSTRALIA253NT♦K-2+5
+3.3Round 12🇨🇦 CANADA244♥x♣2-1+5
+3.3Round 15🇳🇱 NETHERLANDS24♠♥K-1+12
+3.3Round 15🇳🇱 NETHERLANDS104♠♦2-1+12
+3.2Round 1🇩🇪 GERMANY102♠♥J-2+2
+3.2Round 15🇳🇱 NETHERLANDS123NT♥7+2+1
+3.2Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♥x♦Q-1+0
+3.1Round 6🇯🇵 JAPAN163NT♠7+3-11
+3.1Round 14🇳🇴 NORWAY244♠♦3+1+0
+3.1Round 19🇫🇮 FINLAND106♠♦K+1-13
+3.1Round 20🇦🇺 AUSTRALIA275♦x♠A-3+2
+3.0Round 6🇯🇵 JAPAN232♠♠8=+0
+2.7Round 5🇮🇹 ITALY83♠♥A+1+2
+2.7Round 7🇨🇴 COLOMBIA106♥x♠J-2+0
+2.7Round 10🇺🇸 USA2164♠♥Q=+0
+2.7Round 14🇳🇴 NORWAY154♥♥2+2-13
+2.6Round 1🇩🇪 GERMANY62♠♦A+1-8
+2.6Round 4🇵🇱 POLAND263♦x♥A-1+10
+2.5Round 4🇵🇱 POLAND222♠♥J+1+8
+2.4Round 5🇮🇹 ITALY55♥x♦6-2-5
+2.2Round 5🇮🇹 ITALY63♦♣Q-1+5
+2.2Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠x♣K-3+4
+2.1Round 12🇨🇦 CANADA162♥♠A+1+0
+2.0Round 7🇨🇴 COLOMBIA112♦♣Q+1-1
+2.0Round 8🇸🇪 SWEDEN182♥♦J=+1
+2.0Round 8🇸🇪 SWEDEN192♠♦A=+0
+2.0Round 8🇸🇪 SWEDEN246♠♣8+1+11
+2.0Round 18🇪🇬 EGYPT234♠♦Q=+0
+2.0Round 20🇦🇺 AUSTRALIA153NT♥K-2-6
+2.0Round 20🇦🇺 AUSTRALIA193NT♠4+1+1
+1.9Round 3🇭🇺 HUNGARY93♦♦J=+5
+1.9Round 4🇵🇱 POLAND173NT♣7=-2
+1.9Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND142♠♥Q=+0
+1.9Round 19🇫🇮 FINLAND74♠x♥3-1+8
+1.8Round 20🇦🇺 AUSTRALIA232♠♣5-1-5
+1.7Round 3🇭🇺 HUNGARY144♠♣5+1+0
+1.7Round 4🇵🇱 POLAND185♦♥Q+1-13
+1.7Round 5🇮🇹 ITALY104♥♠8+1+1
+1.6Round 6🇯🇵 JAPAN223NT♥3+2+0
+1.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♥5+2+0
+1.3Round 5🇮🇹 ITALY12♠x♠3-1+0
+1.3Round 12🇨🇦 CANADA194♠x♣A-1+5
+1.3Round 15🇳🇱 NETHERLANDS33NT♥9-1+5
+1.3Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63NT♠7+1+0
+1.2Round 1🇩🇪 GERMANY13♥♠2+2+5
+1.1Round 15🇳🇱 NETHERLANDS92♥♦2-1+5
+1.0Round 7🇨🇴 COLOMBIA32♦♠6=+0
+1.0Round 8🇸🇪 SWEDEN204♠♣8+1+0
+1.0Round 10🇺🇸 USA2225♠♦A=+0
+1.0Round 20🇦🇺 AUSTRALIA163NT♣7=-1
+0.9Round 1🇩🇪 GERMANY145♦♣3-2-5
+0.9Round 7🇨🇴 COLOMBIA145♦♠J=-1
+0.9Round 14🇳🇴 NORWAY222♠♣3=+0
+0.9Round 20🇦🇺 AUSTRALIA173♦♠2+1+1
+0.8Round 20🇦🇺 AUSTRALIA204♠♥K-1+6
+0.7Round 13🇨🇳 CHINA82NT♠Q=+0
+0.7Round 14🇳🇴 NORWAY201NT♥3+3+9
+0.6Round 14🇳🇴 NORWAY251NT♦3=+1
+0.5Round 8🇸🇪 SWEDEN162♠♦9=+0
+0.5Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♥♠10=-3
+0.4Round 4🇵🇱 POLAND244♥♠4+1+0
+0.4Round 7🇨🇴 COLOMBIA43♥♦5+1+1
+0.4Round 13🇨🇳 CHINA54♠♣3=+0
+0.4Round 15🇳🇱 NETHERLANDS144♥♦2=-1
+0.4Round 18🇪🇬 EGYPT264♠♣J-1+6
+0.3Round 1🇩🇪 GERMANY133♥♦8=+0
+0.3Round 6🇯🇵 JAPAN173NT♠3=-11
+0.2Round 15🇳🇱 NETHERLANDS54♠♦2=-1
+0.1Round 15🇳🇱 NETHERLANDS83NT♦2+1+1
+0.1Round 15🇳🇱 NETHERLANDS114♥♦A+1+11
+0.1Round 18🇪🇬 EGYPT151NT♠7-1-1
+0.1Round 18🇪🇬 EGYPT194♥♠K=+0
+0.0Round 3🇭🇺 HUNGARY132♠♣J-1+1
+0.0Round 18🇪🇬 EGYPT252♥♣3+1-4
-0.1Round 5🇮🇹 ITALY33NT♠3+1+1
-0.1Round 5🇮🇹 ITALY121NT♣2-1+1
-0.1Round 10🇺🇸 USA2233♠♥A=+0
-0.2Round 4🇵🇱 POLAND273NT♥3+2+11
-0.2Round 10🇺🇸 USA2194♠♥J=+1
-0.2Round 12🇨🇦 CANADA274♥♣K+1+0
-0.3Round 7🇨🇴 COLOMBIA64♠♣Q+1+0
-0.3Round 8🇸🇪 SWEDEN252♠♥10-1+5
-0.3Round 20🇦🇺 AUSTRALIA242♠x♣8-2+12
-0.4Round 15🇳🇱 NETHERLANDS75♥x♥5-1+7
-0.5Round 5🇮🇹 ITALY21NT♠8=-1
-0.5Round 5🇮🇹 ITALY132♥♥A-3+7
-0.5Round 15🇳🇱 NETHERLANDS134♠♥10+1-13
-0.6Round 1🇩🇪 GERMANY53NT♦3-1-5
-0.6Round 1🇩🇪 GERMANY112♠♥3-1+3
-0.6Round 6🇯🇵 JAPAN202♥♠3-2-9
-0.6Round 7🇨🇴 COLOMBIA124♠♥3+1+0
-0.6Round 12🇨🇦 CANADA264♥♣A=+0
-0.6Round 13🇨🇳 CHINA33NT♠10+3-1
-0.7Round 3🇭🇺 HUNGARY51NT♣6=+1
-0.7Round 12🇨🇦 CANADA233♠♥6-1-9
-0.7Round 14🇳🇴 NORWAY271NT♥3+2-1
-0.7Round 14🇳🇴 NORWAY283NT♠3=+1
-0.7Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♣A+1+0
-0.7Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♥♠3+1+0
-0.9Round 13🇨🇳 CHINA101♠♥10-2-2
-0.9Round 20🇦🇺 AUSTRALIA283NT♣4+2+0
-1.1Round 1🇩🇪 GERMANY24♠x♣A-3-5
-1.1Round 14🇳🇴 NORWAY175♦♠3-1-10
-1.1Round 14🇳🇴 NORWAY263♥x♥3-2+3
-1.2Round 7🇨🇴 COLOMBIA85♣♥A=+0
-1.2Round 13🇨🇳 CHINA144♥x♦A-1-6
-1.2Round 14🇳🇴 NORWAY181NT♠3+2-1
-1.3Round 10🇺🇸 USA2273♥♠Q-1+2
-1.4Round 10🇺🇸 USA2254♠♥Q-1-5
-1.4Round 18🇪🇬 EGYPT162♠♥J=-5
-1.4Round 19🇫🇮 FINLAND113♣♠3=+0
-1.5Round 13🇨🇳 CHINA13♦♣5-1+2
-1.6Round 4🇵🇱 POLAND193NT♠K=+0
-1.8Round 12🇨🇦 CANADA213♣♥5-3-1
-1.8Round 15🇳🇱 NETHERLANDS13♠♥Q+1-6
-1.9Round 18🇪🇬 EGYPT213NT♣5+2+0
-2.0Round 3🇭🇺 HUNGARY73NT♥10=-9
-2.0Round 3🇭🇺 HUNGARY102♠♦3=+0
-2.0Round 6🇯🇵 JAPAN284♥♥3=+0
-2.0Round 12🇨🇦 CANADA153NT♥3+3-11
-2.1Round 5🇮🇹 ITALY73NT♠6+1+0
-2.3Round 3🇭🇺 HUNGARY14♥♠6+2+10
-2.3Round 12🇨🇦 CANADA256NT♥3=+11
-2.4Round 6🇯🇵 JAPAN274♠♠3=-3
-2.5Round 19🇫🇮 FINLAND81NT♠Q-1-4
-2.8Round 19🇫🇮 FINLAND15♦♣A+1-3
-2.9Round 4🇵🇱 POLAND214♥♦J+1+0
-3.0Round 6🇯🇵 JAPAN244♥♠K-1-5
-3.0Round 8🇸🇪 SWEDEN273NT♥3-1-5
-3.0Round 18🇪🇬 EGYPT273NT♦2-2-5
-3.0Round 19🇫🇮 FINLAND33♦♠3=-6
-3.1Round 10🇺🇸 USA2284♥♥3=+0
-3.1Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND101NT♦10-2-2
-3.2Round 7🇨🇴 COLOMBIA133NT♣9=+1
-3.2Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♥♣3-1-5
-3.3Round 13🇨🇳 CHINA44♥♣3-2-7
-3.5Round 3🇭🇺 HUNGARY83NT♥A=+0
-3.5Round 12🇨🇦 CANADA223NT♦2-2-8
-3.5Round 13🇨🇳 CHINA63NT♦Q-1-6
-3.5Round 19🇫🇮 FINLAND123♥♠3-1-5
-3.6Round 10🇺🇸 USA2216♠♥4+1-13
-3.7Round 4🇵🇱 POLAND202♠♦K+1-7
-3.9Round 19🇫🇮 FINLAND142♥♠2=+0
-4.0Round 10🇺🇸 USA2262♦♦3=-12
-4.2Round 10🇺🇸 USA2151NT♣3-3-4
-4.3Round 1🇩🇪 GERMANY94♠♥Q+1+0
-4.5Round 5🇮🇹 ITALY92♥♥3-1-4
-4.5Round 18🇪🇬 EGYPT283NT♥2-2-11
-4.9Round 6🇯🇵 JAPAN154♥♦A=+0
-4.9Round 13🇨🇳 CHINA113NT♠6+1-8
-4.9Round 14🇳🇴 NORWAY191♠xx♦4-1-3
-4.9Round 19🇫🇮 FINLAND54♥♣3=-11
-5.1Round 6🇯🇵 JAPAN253NT♥3-3-7
-5.2Round 5🇮🇹 ITALY111NTx♣8-1-5
-5.3Round 6🇯🇵 JAPAN263♦♠3=-12
-5.3Round 18🇪🇬 EGYPT204♠♥K-1-12
-5.9Round 10🇺🇸 USA2243♦♥3-1-9
-6.6Round 13🇨🇳 CHINA95♣♥A=+0
-7.6Round 14🇳🇴 NORWAY214♠♣7-2-8
-7.6Round 19🇫🇮 FINLAND94♠♣A-1-10
-7.9Round 3🇭🇺 HUNGARY33NT♦2-2-11
-8.0Round 12🇨🇦 CANADA203NT♦3+1-1
-9.6Round 10🇺🇸 USA2186♦♠3-2-17
-10.4Round 13🇨🇳 CHINA124♥♦10+1-4
-10.8Round 1🇩🇪 GERMANY45♣♥6+2-17
-10.9Round 4🇵🇱 POLAND283NT♠3-1-12
-12.6Round 1🇩🇪 GERMANY35♦♦2-2-13
-13.6Round 17🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♠x♦A+1-14