ZHUANG Zejun · CHINA SMEG

15rank
+72.6Butler · 70 bds
+1.04per board
±4.4swing
+1.57vs par /bd · #9/672
+1.40adjusted /bd
Butler per round: 21.3 17.7 7 -2.5 -6.4 11.7 23.8by round

vs par split: bidding -0.40 · play +1.63

Strength of schedule: opponents averaged +0.36/bd (a tough draw) → opponent-adjusted +1.40/bd

Card play — on target: opening leads 91.7% #75 of 671 · declarer play 92.3% #47 of 671 · defence 87.5% #234 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·91.7% (12)
Declarer play·92.3% (13)
Defence·87.5% (24)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 0.0% (1) · ♦ 100.0% (4) · ♣ 100.0% (2)

vs par by strain: a suit +1.23 (52)

vs par by level: part-score +1.13 (23) · game -0.96 (24) · slam +12.20 (5)

By role: declaring +1.48/bd (+0.14 vs par · 35) · defending +0.59/bd (+3.00 vs par · 35)

By vulnerability: vulnerable +1.16/bd (+1.21 vs par · 39) · not vulnerable +0.88/bd (+2.03 vs par · 31)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.ShiP.Gumby – W.LazerOpen10+21.3+2.13+1.20
Round 8J.ZhaoT.Bessis – M.BessisOpen10+17.7+1.77+2.00
Round 9J.ZhaoA.Mesbur – N.FitzgibbonOpen10+7.0+0.70+1.00
Round 11H.ShiA.Dubinin – A.GromovOpen10-2.5-0.25-0.10
Round 12H.ShiT.Przybora – K.StrykierClosed10-6.4-0.64+0.10
Round 14H.ShiD.Lilley – Z.NagyOpen10+11.7+1.17+3.20
Round 15H.ShiG.Chagas – M.Villas-BoasClosed10+23.8+2.38+3.60

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
+12.9Round 9JACKSON255♦x♠3-3+14
+12.4Round 1HINGE36♣♠7=+12
+12.4Round 14HOFFMAN136♠♣6=+14
+10.1Round 8ZIMMERMANN173N♥9-3+13
+8.8Round 15HUSSEIN-CHAGAS262♥x♣7-2+8
+6.8Round 14HOFFMAN172♦x♠J=+7
+6.5Round 1HINGE83N♠3=+7
+5.9Round 1HINGE74♥♣K=-1
+5.9Round 15HUSSEIN-CHAGAS214♠♦A=+7
+5.6Round 15HUSSEIN-CHAGAS256♠♥4-2+17
+5.3Round 8ZIMMERMANN113N♥3-1+8
+4.8Round 15HUSSEIN-CHAGAS304♥♦10=-2
+4.5Round 11RUSSIA183♠x♥6-1+3
+4.3Round 9JACKSON213N♣8+1+5
+4.1Round 12AUTO-HIT WARSZAWA263♥♣A+1+1
+3.8Round 14HOFFMAN152♠♦A+1+6
+3.4Round 11RUSSIA113N♥2+1+0
+3.3Round 12AUTO-HIT WARSZAWA236♦♠A-2+8
+3.1Round 8ZIMMERMANN142♥♠3-1+4
+2.8Round 15HUSSEIN-CHAGAS242♣♦7-1-1
+2.7Round 15HUSSEIN-CHAGAS272N♠3-1+5
+2.6Round 8ZIMMERMANN204♠♣7=+0
+2.5Round 9JACKSON222♠♦6+2+6
+2.4Round 8ZIMMERMANN182♠♣3-1+4
+2.3Round 1HINGE44♠♥10-2+2
+2.3Round 1HINGE93N♥9+3+1
+2.3Round 8ZIMMERMANN192N♦Q-1+5
+2.0Round 11RUSSIA145♦♥K=-14
+1.6Round 14HOFFMAN123♠♦10-1-2
+1.5Round 11RUSSIA123♥♦A-3+10
+1.1Round 8ZIMMERMANN162♠♥A+1+0
+1.0Round 15HUSSEIN-CHAGAS294♠♣A=+0
+0.8Round 12AUTO-HIT WARSZAWA253N♦A+2+6
+0.6Round 1HINGE13♦♣K+2+7
+0.5Round 14HOFFMAN191N♥3+1+6
+0.4Round 9JACKSON285♦♠A+1-5
+0.2Round 11RUSSIA194♠♥K=+0
+0.2Round 15HUSSEIN-CHAGAS224♠♥2+1+5
+0.1Round 12AUTO-HIT WARSZAWA223♦♥10=+1
+0.0Round 12AUTO-HIT WARSZAWA213♦♣5+1+1
-0.1Round 14HOFFMAN112♠♥10-1-4
-0.2Round 9JACKSON231N♥4+1+0
-0.2Round 12AUTO-HIT WARSZAWA243♦♠A=-6
-0.7Round 1HINGE104♥♠4+1-4
-0.8Round 1HINGE62♠♦5-1+0
-0.8Round 11RUSSIA203N♠4+4+12
-0.9Round 8ZIMMERMANN134♠♠2+2-7
-0.9Round 9JACKSON244♥♦2=+5
-1.1Round 14HOFFMAN182♥♣7+3-6
-1.2Round 11RUSSIA132♥♣4=-1
-1.3Round 12AUTO-HIT WARSZAWA304♥♦A-1-5
-1.8Round 1HINGE54♠♣6-1-5
-1.9Round 9JACKSON294♠♥K-2-3
-2.1Round 14HOFFMAN205♣♥A=+1
-2.3Round 8ZIMMERMANN122N♣10=+1
-2.4Round 11RUSSIA172♠♣Q=+0
-2.4Round 14HOFFMAN164♠♣6=+0
-2.7Round 9JACKSON261N♣5+2+0
-2.9Round 11RUSSIA154♠♣A-1+2
-3.0Round 9JACKSON304♠♣K-1-5
-3.1Round 12AUTO-HIT WARSZAWA274♥♠A+1+5
-3.5Round 12AUTO-HIT WARSZAWA292♠♥Q=-5
-3.6Round 15HUSSEIN-CHAGAS231N♥3=+0
-4.4Round 9JACKSON273♦♣Q-3-7
-4.4Round 15HUSSEIN-CHAGAS28Pass-3
-5.4Round 1HINGE23N♠4=-7
-6.0Round 8ZIMMERMANN154♥♠J-2-8
-6.6Round 12AUTO-HIT WARSZAWA284♠♦K=-5
-6.8Round 11RUSSIA166N♦9-1-13
-7.7Round 14HOFFMAN146♠♦5=+10