🇨🇳 ZHUANG Zejun · CHINA SMEG

46rank
+34.6Butler · 240 bds
+0.14per board
±4.2swing
+0.22vs par /bd · #33/125
+0.15adjusted /bd
Butler per round: -10.1 -1.1 6 35.9 -1.7 -8.6 10.3 -27.1 -7.8 18.8 4.7 3 -12.1 7.4 17by round

vs par split: bidding +0.34 · play +0.32

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +0.15/bd

Card play — on target: opening leads 86.8% #45 of 125 · declarer play 81.0% #35 of 125 · defence 89.0% #48 of 125

Card play by contract type — on target
vs NTvs a suit
Opening leads·86.8% (38)
Declarer play·81.0% (42)
Defence·89.0% (91)

Opening leads by suit led: ♠ 100.0% (9) · ♥ 66.7% (6) · ♦ 81.8% (11) · ♣ 91.7% (12)

vs par by strain: a suit +0.50 (167)

vs par by level: part-score +1.18 (68) · game -0.41 (86) · slam +2.92 (13)

By role: declaring +0.53/bd (-1.24 vs par · 113) · defending -0.20/bd (+1.52 vs par · 127)

By vulnerability: vulnerable +0.32/bd (+0.65 vs par · 120) · not vulnerable -0.03/bd (-0.21 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.ShiL.Palazzo – P.LambardiOpen16-10.1-0.63+1.31
Round 3H.ShiN.Bocchi – G.DuboinClosed16-1.1-0.07-0.06
Round 5H.ShiT.Sadek – W.El AhmadyOpen16+6.0+0.38+1.50
Round 6H.ShiJ.Fazli – A.AllanaClosed16+35.9+2.24+2.06
Round 7H.ShiS.Brink – B.DrijverOpen16-1.7-0.11+1.12
Round 8H.ShiS.Garner – H.WeinsteinOpen16-8.6-0.54-0.75
Round 10H.ShiP.Gumby – W.LazerOpen16+10.3+0.64+0.62
Round 12H.ShiJ.Smith – J.ZaluskiClosed16-27.1-1.69-2.50
Round 13H.ShiK.Roy – A.SadhuOpen16-7.8-0.49-1.12
Round 14H.ShiK.Martens – P.JassemOpen16+18.8+1.18+1.50
Round 16H.ShiA.Ker – A.GrantOpen16+4.7+0.29-1.69
Round 17H.ShiR.Parasian Tobing – T.AsbiOpen16+3.0+0.19-0.19
Round 18H.ShiB.Brogeland – E.SaelensmindeOpen16-12.1-0.76-2.31
Round 19H.ShiP.Bertheau – F.NystromClosed16+7.4+0.46+1.00
Round 20H.ShiM.Ino – T.ImakuraClosed16+17.0+1.06+2.81

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
+13.0Round 17🇮🇩 INDONESIA196♣♦3=+0
+12.9Round 7🇳🇱 NETHERLANDS23♣x♠7=+14
+11.3Round 6🇵🇰 PAKISTAN15♣♥3+2+14
+10.5Round 1🇦🇷 ARGENTINA156♣♠5=+12
+10.0Round 18🇳🇴 NORWAY43♥x♦6=+11
+9.9Round 6🇵🇰 PAKISTAN97N♦J=+0
+9.4Round 5🇪🇬 EGYPT152♥x♠A=+17
+9.0Round 14🇵🇱 POLAND93N♣6-1+10
+7.5Round 19🇸🇪 SWEDEN203♣♦10+2+10
+6.9Round 20🇯🇵 JAPAN161N♦K+1+6
+6.3Round 10🇦🇺 AUSTRALIA121♠♥J=+12
+6.3Round 20🇯🇵 JAPAN104♥♠K-2+12
+6.0Round 10🇦🇺 AUSTRALIA54♠♥A=+7
+5.8Round 14🇵🇱 POLAND63♠x♣A-1+0
+5.7Round 19🇸🇪 SWEDEN314♥x♦K-2+5
+5.6Round 5🇪🇬 EGYPT53N♦K=-1
+5.6Round 12🇨🇦 CANADA166♠♦3=+0
+5.6Round 19🇸🇪 SWEDEN194♥♣4-2+7
+5.5Round 20🇯🇵 JAPAN25♦x♠K-2+7
+5.4Round 10🇦🇺 AUSTRALIA33N♠J-5+4
+5.4Round 20🇯🇵 JAPAN13N♠9-3+7
+5.3Round 6🇵🇰 PAKISTAN44♥♣K+1+0
+5.3Round 14🇵🇱 POLAND116♦♥4+1+11
+5.0Round 5🇪🇬 EGYPT143N♠9+1+0
+4.9Round 3🇮🇹 ITALY105♦♠K-1+12
+4.9Round 5🇪🇬 EGYPT104♣♥K-1+6
+4.9Round 7🇳🇱 NETHERLANDS44♠♣K-1+6
+4.9Round 18🇳🇴 NORWAY83N+1+1
+4.8Round 18🇳🇴 NORWAY66♣=+0
+4.7Round 14🇵🇱 POLAND163N♦3+4-12
+4.7Round 20🇯🇵 JAPAN73N♠10-2+13
+4.4Round 12🇨🇦 CANADA95♦♥A+1+1
+4.3Round 13🇮🇳 INDIA214♠♥K-2+6
+4.2Round 1🇦🇷 ARGENTINA133♦♠3+3+15
+4.2Round 6🇵🇰 PAKISTAN161N♠J=+5
+4.1Round 12🇨🇦 CANADA103N♠9-1+12
+4.0Round 5🇪🇬 EGYPT73♠♦3+1+10
+4.0Round 10🇦🇺 AUSTRALIA153♥♣2-3-3
+4.0Round 12🇨🇦 CANADA34♥♦A=+0
+4.0Round 16🇳🇿 NEW ZEALAND23N♣4-1+5
+3.9Round 6🇵🇰 PAKISTAN114♠♦K-1+5
+3.9Round 13🇮🇳 INDIA244♥♦Q=+0
+3.8Round 3🇮🇹 ITALY22♥♣2=+12
+3.8Round 3🇮🇹 ITALY162♦♦4=+0
+3.8Round 5🇪🇬 EGYPT63N♥Q+3+16
+3.8Round 19🇸🇪 SWEDEN283♠♥A-4+2
+3.7Round 14🇵🇱 POLAND104♠♣7+2+13
+3.7Round 16🇳🇿 NEW ZEALAND103♠♦10-2+3
+3.6Round 10🇦🇺 AUSTRALIA23♦♣A-1+5
+3.4Round 7🇳🇱 NETHERLANDS161Nx♥J=+7
+3.4Round 8🇺🇸 USA 1303N♦5+2+1
+3.4Round 8🇺🇸 USA 1322♦♣A+1+0
+3.2Round 19🇸🇪 SWEDEN224♠♠4=+0
+3.1Round 3🇮🇹 ITALY143♠♥J=+0
+3.1Round 8🇺🇸 USA 1242♥♦K+2+1
+3.1Round 17🇮🇩 INDONESIA325♦-1+3
+3.0Round 16🇳🇿 NEW ZEALAND44♥♣4-1+7
+2.9Round 6🇵🇰 PAKISTAN133♠♦A-1+9
+2.9Round 16🇳🇿 NEW ZEALAND62♠♣9+1+1
+2.7Round 6🇵🇰 PAKISTAN103N♣Q=-1
+2.7Round 8🇺🇸 USA 1196♣♦5=-2
+2.7Round 16🇳🇿 NEW ZEALAND145♣♠4=-11
+2.6Round 12🇨🇦 CANADA54♠♥3+1+1
+2.6Round 14🇵🇱 POLAND34♥♦7-2-1
+2.6Round 20🇯🇵 JAPAN92♥♦K-1+5
+2.4Round 6🇵🇰 PAKISTAN124♥♦J=+0
+2.4Round 7🇳🇱 NETHERLANDS13♠♣4-1+4
+2.4Round 13🇮🇳 INDIA233♣♣6=+0
+2.0Round 5🇪🇬 EGYPT115♣♥A-1+5
+2.0Round 7🇳🇱 NETHERLANDS152♦♠A-2+0
+2.0Round 17🇮🇩 INDONESIA214♥-1+5
+2.0Round 20🇯🇵 JAPAN43N♠2+3+12
+1.8Round 8🇺🇸 USA 1272♥♦3+1+0
+1.7Round 7🇳🇱 NETHERLANDS113N♣5-1+5
+1.7Round 18🇳🇴 NORWAY133♣♥A+1+0
+1.6Round 6🇵🇰 PAKISTAN145♥♦J=-4
+1.6Round 17🇮🇩 INDONESIA183♥=+0
+1.5Round 19🇸🇪 SWEDEN232N♦5=+0
+1.5Round 20🇯🇵 JAPAN114♥♠A+1+0
+1.4Round 1🇦🇷 ARGENTINA52♥♠8=+1
+1.4Round 3🇮🇹 ITALY92♥♥A=+0
+1.4Round 20🇯🇵 JAPAN33N♦J-1+5
+1.4Round 20🇯🇵 JAPAN54♥♠2+2+12
+1.3Round 6🇵🇰 PAKISTAN72♠♦2=+0
+1.3Round 16🇳🇿 NEW ZEALAND162♠♦5+1+0
+1.2Round 3🇮🇹 ITALY113♥♣A+2+6
+1.2Round 7🇳🇱 NETHERLANDS63N♠5+1+1
+1.2Round 17🇮🇩 INDONESIA253N♦10+1+1
+1.2Round 20🇯🇵 JAPAN63N♠5+2+0
+1.1Round 8🇺🇸 USA 1214♠♣5+1+0
+1.1Round 17🇮🇩 INDONESIA291N♦4+1+0
+1.0Round 3🇮🇹 ITALY83N♦J=+0
+0.9Round 10🇦🇺 AUSTRALIA14♠♣5-1+2
+0.8Round 1🇦🇷 ARGENTINA163N♦2+2+1
+0.8Round 13🇮🇳 INDIA304♥♣5=+0
+0.8Round 19🇸🇪 SWEDEN303N♥K=+1
+0.7Round 6🇵🇰 PAKISTAN155♥♠J+1+5
+0.7Round 10🇦🇺 AUSTRALIA163♥♦J-1-2
+0.7Round 16🇳🇿 NEW ZEALAND52N♥4=-10
+0.6Round 3🇮🇹 ITALY133N♦7+1+0
+0.6Round 7🇳🇱 NETHERLANDS32♥♣A-1+0
+0.6Round 10🇦🇺 AUSTRALIA73N♠10+1+0
+0.6Round 17🇮🇩 INDONESIA203♦♥4+1+0
+0.6Round 18🇳🇴 NORWAY54♠♦K+1+0
+0.6Round 18🇳🇴 NORWAY91N♠7=+0
+0.4Round 13🇮🇳 INDIA275♥x♠7-2+0
+0.4Round 20🇯🇵 JAPAN143N♣2+3-11
+0.3Round 6🇵🇰 PAKISTAN33♥♠K+2-6
+0.3Round 7🇳🇱 NETHERLANDS55♦x♣2-2+0
+0.3Round 8🇺🇸 USA 1313♣♥2-1+2
+0.3Round 14🇵🇱 POLAND52♠♦A-2-6
+0.2Round 5🇪🇬 EGYPT83N♠2+2+0
+0.2Round 10🇦🇺 AUSTRALIA42♠♣K-1+0
+0.2Round 14🇵🇱 POLAND13N♣9+1+1
+0.2Round 19🇸🇪 SWEDEN172♥♠5+1+0
+0.1Round 13🇮🇳 INDIA205♦♥A=-11
+0.1Round 18🇳🇴 NORWAY126♣♥4=+2
+0.0Round 1🇦🇷 ARGENTINA24♠♦K+1+0
+0.0Round 3🇮🇹 ITALY73N♣4=+1
+0.0Round 13🇮🇳 INDIA261N♥A+1+0
-0.0Round 16🇳🇿 NEW ZEALAND84♥♥5=+0
-0.0Round 17🇮🇩 INDONESIA283♣♥Q+2-6
+0.0Round 18🇳🇴 NORWAY14♥=+0
-0.1Round 3🇮🇹 ITALY12♥♣2=-7
-0.1Round 13🇮🇳 INDIA314♥♦5-1+5
-0.1Round 18🇳🇴 NORWAY153N♠9+1+0
-0.2Round 12🇨🇦 CANADA133N♥4+1+0
-0.2Round 14🇵🇱 POLAND22♥♥8+1+0
-0.3Round 14🇵🇱 POLAND154♥♦9+3+15
-0.4Round 1🇦🇷 ARGENTINA61N♣5=-2
-0.4Round 1🇦🇷 ARGENTINA83N♥K=+2
-0.4Round 12🇨🇦 CANADA72♠♦A=+0
-0.4Round 16🇳🇿 NEW ZEALAND33N♥10+1-10
-0.4Round 17🇮🇩 INDONESIA262♠-1+1
-0.4Round 17🇮🇩 INDONESIA274♠♦K=+0
-0.4Round 20🇯🇵 JAPAN84♠♣3+1+0
-0.5Round 7🇳🇱 NETHERLANDS83N♠2=-1
-0.5Round 16🇳🇿 NEW ZEALAND13N♠3+2-1
-0.5Round 16🇳🇿 NEW ZEALAND151N♥10+1+0
-0.5Round 19🇸🇪 SWEDEN295♦♥2+2-1
-0.6Round 7🇳🇱 NETHERLANDS93♠♥2-2-6
-0.6Round 10🇦🇺 AUSTRALIA6Pass+4
-0.6Round 13🇮🇳 INDIA253N♣5+1+1
-0.6Round 14🇵🇱 POLAND144♥♠2+2-1
-0.7Round 1🇦🇷 ARGENTINA45♦♠A+1+5
-0.7Round 1🇦🇷 ARGENTINA144♠x♥6-3+14
-0.7Round 6🇵🇰 PAKISTAN64♠♦J+1-1
-0.7Round 8🇺🇸 USA 1203N♣2=-1
-0.7Round 8🇺🇸 USA 1294♠♥J+2+1
-0.7Round 13🇮🇳 INDIA173♦♣4-2+1
-0.7Round 14🇵🇱 POLAND73♥♣8=+10
-0.8Round 8🇺🇸 USA 1233N♠10=+0
-0.8Round 14🇵🇱 POLAND83♥♠Q-1+2
-0.9Round 1🇦🇷 ARGENTINA74♠♣8+2-2
-0.9Round 10🇦🇺 AUSTRALIA93♠♥A=-1
-0.9Round 13🇮🇳 INDIA194♥♥4=-1
-0.9Round 17🇮🇩 INDONESIA175♦♥3-1+2
-0.9Round 18🇳🇴 NORWAY144♥♣A-2-6
-1.0Round 14🇵🇱 POLAND134♥♠4=+0
-1.0Round 17🇮🇩 INDONESIA244♥x♣A-3-1
-1.1Round 8🇺🇸 USA 1184♠♣Q+1+0
-1.1Round 8🇺🇸 USA 1224♠♦10+1+0
-1.1Round 14🇵🇱 POLAND124♥♠4-1-5
-1.1Round 19🇸🇪 SWEDEN253N♥J-3-3
-1.2Round 12🇨🇦 CANADA112♥♣6-1-3
-1.2Round 16🇳🇿 NEW ZEALAND133N♦3+2-1
-1.3Round 5🇪🇬 EGYPT123N♦5+1+0
-1.3Round 10🇦🇺 AUSTRALIA131♠♦K=+2
-1.3Round 12🇨🇦 CANADA82♠♦K-3-6
-1.3Round 13🇮🇳 INDIA284♠♥10=+0
-1.5Round 5🇪🇬 EGYPT41N♣J+2+0
-1.6Round 1🇦🇷 ARGENTINA114♥♠Q=+1
-1.7Round 1🇦🇷 ARGENTINA124♠♦4=-6
-1.7Round 5🇪🇬 EGYPT163♣♦10=+0
-1.7Round 8🇺🇸 USA 1263N♥3+2+0
-1.7Round 10🇦🇺 AUSTRALIA104♥♠K=-9
-1.7Round 16🇳🇿 NEW ZEALAND74♠♦2=+1
-1.7Round 16🇳🇿 NEW ZEALAND94♠♥Q-1-5
-1.8Round 1🇦🇷 ARGENTINA12♠♦Q+1+0
-1.8Round 7🇳🇱 NETHERLANDS73N♠2=+2
-1.8Round 12🇨🇦 CANADA13♠♠2-1-6
-1.8Round 13🇮🇳 INDIA321♥♣Q+1+0
-1.9Round 19🇸🇪 SWEDEN214♠♠6=+1
-2.0Round 3🇮🇹 ITALY151N♠K-2-5
-2.0Round 12🇨🇦 CANADA143♠♣K=+0
-2.0Round 20🇯🇵 JAPAN134♥♣3-1-6
-2.1Round 3🇮🇹 ITALY34♥♦K=+0
-2.1Round 5🇪🇬 EGYPT24♥♠7+1-7
-2.1Round 17🇮🇩 INDONESIA311N+1+0
-2.1Round 18🇳🇴 NORWAY113♣♣5=-5
-2.3Round 6🇵🇰 PAKISTAN56♣♠A=+0
-2.3Round 7🇳🇱 NETHERLANDS102♦♠Q+1-11
-2.5Round 18🇳🇴 NORWAY161N♠6-3+0
-2.5Round 19🇸🇪 SWEDEN244♥x♣K-2-4
-2.6Round 3🇮🇹 ITALY51N♠7-2+0
-2.6Round 17🇮🇩 INDONESIA232♦♠3-2-2
-2.7Round 17🇮🇩 INDONESIA301♠x=-6
-3.1Round 10🇦🇺 AUSTRALIA84♥♣A-3-6
-3.2Round 6🇵🇰 PAKISTAN83♠x♣10-2-4
-3.2Round 19🇸🇪 SWEDEN263♦♣3=+10
-3.4Round 12🇨🇦 CANADA42♠♦K+1-6
-3.5Round 10🇦🇺 AUSTRALIA113N♣4=+0
-3.5Round 19🇸🇪 SWEDEN273♣♥4=-5
-3.6Round 16🇳🇿 NEW ZEALAND113♠♦A=-1
-3.7Round 8🇺🇸 USA 1284♥♦4+1-4
-3.8Round 13🇮🇳 INDIA224♥♣6+1+0
-3.9Round 19🇸🇪 SWEDEN184♥♥6=-7
-4.0Round 3🇮🇹 ITALY63N♠4-2-11
-4.0Round 16🇳🇿 NEW ZEALAND121N♦3-1-5
-4.1Round 3🇮🇹 ITALY44♠♦Q=-3
-4.1Round 18🇳🇴 NORWAY23N+2-8
-4.3Round 1🇦🇷 ARGENTINA34♥♣7-1-10
-4.3Round 5🇪🇬 EGYPT134♥♣Q-1-6
-4.3Round 19🇸🇪 SWEDEN323N♠5=+0
-4.4Round 1🇦🇷 ARGENTINA103♠♣K=+0
-4.4Round 6🇵🇰 PAKISTAN26♠♥A+1+11
-4.5Round 13🇮🇳 INDIA294♥♦A-1-12
-4.9Round 8🇺🇸 USA 1176♦♥Q=+2
-5.0Round 18🇳🇴 NORWAY35♣x♦A-3-8
-5.3Round 5🇪🇬 EGYPT34♠x♥Q-1+0
-5.6Round 5🇪🇬 EGYPT14♥x♣10-2-9
-6.0Round 3🇮🇹 ITALY123N♠10-2-6
-6.0Round 13🇮🇳 INDIA184♠♥J=-7
-6.0Round 20🇯🇵 JAPAN153N♠J+1-1
-6.3Round 10🇦🇺 AUSTRALIA145♥x♣A-2-5
-7.0Round 12🇨🇦 CANADA123N♣J=-7
-7.1Round 5🇪🇬 EGYPT93N♥5-3-7
-7.3Round 12🇨🇦 CANADA63N♣A+3-1
-7.7Round 7🇳🇱 NETHERLANDS145♠x♣4-1-5
-8.0Round 7🇳🇱 NETHERLANDS136♠♥A=+0
-8.1Round 12🇨🇦 CANADA154♥♣Q=-11
-8.1Round 14🇵🇱 POLAND43N♥Q-2-13
-9.5Round 17🇮🇩 INDONESIA226♠♥J=+0
-9.7Round 8🇺🇸 USA 1253N♠4-1-12
-10.0Round 18🇳🇴 NORWAY105♦x-3-12
-10.1Round 1🇦🇷 ARGENTINA93N♣Q=-10
-10.1Round 18🇳🇴 NORWAY74♥-1-12
-10.2Round 7🇳🇱 NETHERLANDS126♦♠Q=+2
-13.9Round 20🇯🇵 JAPAN125♥x♦10=-16
-15.1Round 12🇨🇦 CANADA23N♣9-1-14