ZHANG Yizhuo · BEIJING SHARESUN

225rank
+17.4Butler · 120 bds
+0.14per board
±4.8swing
+0.47vs par /bd · #153/471
+0.58adjusted /bd
Butler per round: 18.1 -12.2 23.4 38.3 0.5 -10.4 -8.7 -2.7 -14.8 -6 -6.4 -1.7by round

vs par split: bidding +0.48 · play -0.02

Strength of schedule: opponents averaged +0.43/bd (a tough draw) → opponent-adjusted +0.58/bd

Card play — on target: opening leads 84.0% #108 of 469 · declarer play 79.4% #131 of 469 · defence 86.4% #185 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)88.9% (18)
Declarer play80.0% (10)79.2% (24)
Defence76.5% (17)90.5% (42)

Opening leads by suit led: ♠ 50.0% (4) · ♥ 90.0% (10) · ♦ 75.0% (4) · ♣ 100.0% (7)

vs par by strain: NT +0.52 (33) · a suit +0.45 (87)

vs par by level: part-score +0.59 (39) · game +0.46 (68) · slam +0.15 (13)

By role: declaring -0.07/bd (-1.46 vs par · 61) · defending +0.37/bd (+2.46 vs par · 59)

By vulnerability: vulnerable +0.21/bd (-0.10 vs par · 61) · not vulnerable +0.08/bd (+1.05 vs par · 59)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3R.GuJ.Vis – P.ZwartClosed10+18.1+1.81+2.20
Round 4R.GuJ.Piekarek – A.SmirnovClosed10-12.2-1.22+0.30
Round 5M.ShengA.Soebroto – K.KamtoOpen10+23.4+2.34+1.00
Round 6M.ShengM.Bourke – S.LuskOpen10+38.3+3.83+6.10
Round 7M.ShengP.Balakrishnan – R.TewariClosed10+0.5+0.05+0.70
Round 9R.GuJ.Zhou – C.FanClosed10-10.4-1.04-3.90
Round 10M.ShengP.Zatorski – M.KlukowskiClosed10-8.7-0.87-1.10
Round 11M.ShengZ.Liao – Z.XieClosed10-2.7-0.27+1.90
Round 12M.ShengM.Hendrawan – B.PoliiClosed10-14.8-1.48-4.00
Round 13R.GuJ.Li – Z.FuClosed10-6.0-0.60-1.80
Round 14M.ShengC.Ju – Z.ShiClosed10-6.4-0.64+2.00
Round 15M.ShengY.Wei – S.BiOpen10-1.7-0.17+2.20

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
+12.5Round 5DJARUM BRIDGE CLUB124♥xx♦A+1+12
+11.9Round 6SYDNEY244♠x♣10-4+12
+11.1Round 11CHINA JIEGAO126♥♦Q-1+13
+10.0Round 14CHINA OPEN154♠♥K-2+13
+8.8Round 3VALLON296♠♣J=+0
+8.6Round 9CHINA HYX234♥♦7=+0
+7.1Round 6SYDNEY274♥x♥10-3+12
+6.7Round 15JLLIN CRE8IVE294♥♣6-3+10
+6.3Round 11CHINA JIEGAO132♦♠J+1+11
+6.3Round 14CHINA OPEN123NT♠3-1+12
+6.2Round 4DEUTSCHLAND43NT♣2=-1
+6.2Round 5DJARUM BRIDGE CLUB176♣♥8=-2
+6.2Round 6SYDNEY264♠♣A+2+13
+5.6Round 6SYDNEY232♥♥5-1+6
+5.6Round 6SYDNEY295♦x♥2-1+13
+5.4Round 10POLISH STUDENTS71NT♥5-3+4
+5.2Round 13P D TIMES73NT♦3-2+8
+5.1Round 12INDONESIA SENIORS306♠♦6=+0
+5.0Round 3VALLON283NT♥2=+11
+5.0Round 13P D TIMES92♦♥6=+8
+5.0Round 15JLLIN CRE8IVE222♠♣K=+11
+4.9Round 4DEUTSCHLAND62♠♦J+3+12
+4.8Round 14CHINA OPEN202♠♦Q-2+3
+4.7Round 13P D TIMES106♣♣4=-2
+4.5Round 5DJARUM BRIDGE CLUB153NT♥J-2+8
+4.1Round 7NADAR22♠x♦Q-2+2
+3.6Round 5DJARUM BRIDGE CLUB134♠♥4-1+6
+3.4Round 3VALLON233♣♣6=+9
+3.4Round 6SYDNEY284♥♣9+1+1
+3.3Round 5DJARUM BRIDGE CLUB113NT♥9+1+0
+3.3Round 10POLISH STUDENTS41♥♥6+1+0
+3.3Round 12INDONESIA SENIORS293NT♠6+2+12
+3.2Round 3VALLON305♣x♥K-2+12
+3.1Round 9CHINA HYX273NT♦3+2+11
+2.7Round 5DJARUM BRIDGE CLUB181NT♦6=-8
+2.7Round 9CHINA HYX212♦♥9+2+0
+2.5Round 6SYDNEY215♣x♥A-3+4
+2.1Round 11CHINA JIEGAO183♠♣K-2+11
+2.1Round 12INDONESIA SENIORS244♠♥Q-1-2
+2.0Round 7NADAR43NT♠3-2+3
+1.9Round 7NADAR74♥♥5=+0
+1.8Round 10POLISH STUDENTS53NT♣4=-1
+1.8Round 11CHINA JIEGAO164♥♣3=+0
+1.7Round 14CHINA OPEN195♣♦J+2-4
+1.6Round 13P D TIMES32NT♦5+1+6
+1.4Round 3VALLON222♠♥J+1-8
+1.4Round 10POLISH STUDENTS33NT♦J-2-2
+1.2Round 7NADAR64♥♦5+1+0
+1.2Round 7NADAR92♠♦Q+1+0
+1.2Round 10POLISH STUDENTS93♦♥Q+1+0
+1.1Round 13P D TIMES23NT♥4=+0
+1.0Round 3VALLON243NT♥2+2+1
+1.0Round 5DJARUM BRIDGE CLUB201NT♥3+1+0
+0.8Round 6SYDNEY253♣♥A-1+4
+0.6Round 6SYDNEY303♣♠K-1+3
+0.5Round 15JLLIN CRE8IVE244♥♦3+1+0
+0.4Round 7NADAR51NT♥10+2+0
+0.0Round 7NADAR102♥♥2-1-1
-0.1Round 13P D TIMES83NT♣8+2+0
-0.1Round 15JLLIN CRE8IVE303NT♣K+2+1
-0.2Round 4DEUTSCHLAND84♠x♥6-1+0
-0.3Round 4DEUTSCHLAND73NT♥7+1+0
-0.4Round 3VALLON272♠♦5-2+1
-0.4Round 9CHINA HYX264♥♦6-3-8
-0.6Round 12INDONESIA SENIORS254♥♠A=+0
-0.7Round 14CHINA OPEN133NT♥K+1-1
-0.8Round 4DEUTSCHLAND22♠♥Q-1+3
-0.8Round 14CHINA OPEN172♠♦2=+0
-0.9Round 11CHINA JIEGAO142♥♠4-2+0
-0.9Round 12INDONESIA SENIORS284♥♦A+2-11
-0.9Round 15JLLIN CRE8IVE264♥♠J-1+1
-1.1Round 3VALLON264♥♦Q=+0
-1.1Round 5DJARUM BRIDGE CLUB144♥♥9=+0
-1.3Round 9CHINA HYX303♣♥A-3-6
-1.5Round 3VALLON253♠♥A=-6
-1.5Round 4DEUTSCHLAND53♠♠Q=+0
-1.5Round 7NADAR31NT♠J+3+6
-1.5Round 12INDONESIA SENIORS232♥x♣7-2-13
-1.5Round 12INDONESIA SENIORS277NT♦4=+0
-1.6Round 9CHINA HYX252♥♦A=-5
-1.7Round 3VALLON214♠♣6-1+2
-1.9Round 15JLLIN CRE8IVE233♠♣3-2-8
-2.1Round 10POLISH STUDENTS64♥♥A+1-1
-2.2Round 11CHINA JIEGAO196♠♦2+1+11
-2.2Round 15JLLIN CRE8IVE213♠♥A=+0
-2.4Round 9CHINA HYX244♠♣3=+0
-2.5Round 12INDONESIA SENIORS213NT♥K-1-5
-2.5Round 15JLLIN CRE8IVE271NT♥5=+0
-2.6Round 4DEUTSCHLAND15♣♦Q-2+5
-2.6Round 10POLISH STUDENTS104♥♦2-1-6
-2.8Round 7NADAR84♠♠4+1+0
-3.0Round 11CHINA JIEGAO152♦♠Q=+0
-3.1Round 4DEUTSCHLAND105♣♠3+1-9
-3.1Round 15JLLIN CRE8IVE253NT♣A-1-5
-3.2Round 5DJARUM BRIDGE CLUB194♠♠2+1-1
-3.2Round 15JLLIN CRE8IVE285♦x♣Q-4+12
-3.5Round 11CHINA JIEGAO205♣♠K=-3
-3.6Round 13P D TIMES53NT♦7-2-11
-3.8Round 10POLISH STUDENTS24♥♦K-2+0
-4.3Round 14CHINA OPEN116♠♥3=+11
-4.3Round 14CHINA OPEN165♣x♣2-1-5
-4.4Round 10POLISH STUDENTS81NT♥5=-5
-4.6Round 13P D TIMES64♠♣2+2-17
-5.1Round 11CHINA JIEGAO173NT♠2-1-10
-5.3Round 9CHINA HYX223NT♥4-1-6
-5.4Round 6SYDNEY225♠x♦5-1-7
-5.7Round 4DEUTSCHLAND34♥♠K-2-7
-5.8Round 9CHINA HYX284♥♠2+3-14
-6.0Round 7NADAR15♦♠8+1-3
-6.0Round 12INDONESIA SENIORS265♦♠A+1-9
-6.1Round 5DJARUM BRIDGE CLUB162♠♣A-3-5
-7.0Round 13P D TIMES16♣♥A-1-10
-8.0Round 9CHINA HYX293NT♥10+4-11
-8.3Round 13P D TIMES43NT♠K=+0
-8.4Round 14CHINA OPEN184♠x♥A-4-4
-8.9Round 10POLISH STUDENTS16♣♦K=+0
-9.1Round 4DEUTSCHLAND97♠♣8=+0
-9.3Round 11CHINA JIEGAO116♣♠3-1-14
-10.7Round 14CHINA OPEN146♠♥3=-5
-12.3Round 12INDONESIA SENIORS223♠x♦10-3-12