YAO Zhongzhao · WUHAN

200rank
+28.9Butler · 130 bds
+0.22per board
±4.7swing
-0.35vs par /bd · #317/471
+0.36adjusted /bd
Butler per round: -13.7 -8 -11.7 7.8 15.5 25.3 0.5 7.9 -9.4 10.2 20.1 7.9 -23.5by round

vs par split: bidding -0.42 · play +0.08

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +0.36/bd

Card play — on target: opening leads 67.9% #420 of 469 · declarer play 77.8% #167 of 469 · defence 81.2% #338 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (7)71.4% (21)
Declarer play75.0% (12)79.2% (24)
Defence46.7% (15)91.8% (49)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 57.1% (7) · ♦ 75.0% (8) · ♣ 66.7% (9)

vs par by strain: NT -2.08 (36) · a suit +0.32 (94)

vs par by level: part-score -1.00 (49) · game +0.19 (70) · slam -0.82 (11)

By role: declaring +0.36/bd (-2.29 vs par · 66) · defending +0.07/bd (+1.66 vs par · 64)

By vulnerability: vulnerable +0.88/bd (+1.11 vs par · 65) · not vulnerable -0.43/bd (-1.80 vs par · 65)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3D.GanC.Dong – W.HeOpen10-13.7-1.37-1.30
Round 4D.GanE.Covarrubias – P.RiedelOpen10-8.0-0.80-2.10
Round 5D.GanM.Takayama – K.FurutaClosed10-11.7-1.17+0.00
Round 6D.GanD.Williams – J.WilliamsOpen10+7.8+0.78-1.40
Round 7D.GanM.Capucho – M.Orey CapuchoOpen10+15.5+1.55+1.10
Round 8D.GanS.Mayo – G.MayoClosed10+25.3+2.53-2.70
Round 9D.GanS.Mandey – H.TulenanOpen10+0.5+0.05+2.80
Round 10D.GanS.Thakral – K.BendreOpen10+7.9+0.79+0.90
Round 11D.GanS.Singla – M.BakshiClosed10-9.4-0.94-1.90
Round 12D.GanS.Choudhary – S.GoleClosed10+10.2+1.02+3.50
Round 13D.GanB.Cuvillier – B.ChantryOpen10+20.1+2.01+3.50
Round 14D.GanW.Gao – X.LouClosed10+7.9+0.79-2.30
Round 15D.GanJ.Campos – E.D'OrsiOpen10-23.5-2.35-4.60

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
+11.6Round 8FINIKIOTIS176♦♠J=-11
+10.9Round 14CHINA JUAN191♦x♥Q=+14
+9.9Round 13GHETARY73NT♦2=+10
+8.5Round 7CAPUCHO34♣x♠J=+3
+8.4Round 7CAPUCHO26♥♦8-2+11
+8.2Round 9IT CENTER MANADO276NT♣9=+0
+8.1Round 9IT CENTER MANADO264♠♦J-1+12
+7.8Round 12SURPRISE296♦♦6=+0
+7.7Round 8FINIKIOTIS183NT♥3+1+0
+7.6Round 6VALLON284♥♠Q-1+10
+7.6Round 13GHETARY105♣♠J+1+13
+7.0Round 7CAPUCHO103♣♥A-2+8
+7.0Round 13GHETARY15♠♥A-1+10
+6.8Round 6VALLON266♠♣3=+0
+6.7Round 10HEMANT JALAN14♥x♣K-4-3
+6.0Round 12SURPRISE265♦♠A+1+9
+5.9Round 14CHINA JUAN184♥♠A+1+0
+5.6Round 14CHINA JUAN165♣♥A-1+6
+5.4Round 8FINIKIOTIS194♠♣J=-1
+5.2Round 4CHILE44♥♠7-1+12
+4.8Round 3JLLIN CRE8IVE222♥♣J-1+12
+4.6Round 10HEMANT JALAN93NT♥2-1+6
+4.6Round 13GHETARY64♠♣K+2+17
+4.5Round 11INDIA LIONS152♦♥5-3+2
+4.5Round 13GHETARY33NT♦5=+0
+4.3Round 7CAPUCHO43♠♥K-1+5
+4.1Round 11INDIA LIONS204♥♣5=+3
+4.0Round 5JAPAN162♠♥10-2+3
+3.8Round 12SURPRISE215♣♥K-2+6
+3.7Round 10HEMANT JALAN44♥♦K-2+8
+3.2Round 3JLLIN CRE8IVE294♠♣3+3+12
+3.1Round 3JLLIN CRE8IVE214♠♣7-2+0
+3.0Round 6VALLON253♣♠K=+0
+2.9Round 12SURPRISE242♠♥Q+2+7
+2.7Round 8FINIKIOTIS132♠♥7+1+1
+2.6Round 5JAPAN183NT♠9-2+11
+2.6Round 10HEMANT JALAN104♥♠J-1+6
+2.4Round 4CHILE105♣♠3=+9
+2.4Round 5JAPAN194♠♣9=+0
+2.4Round 8FINIKIOTIS123NT♣J=-1
+2.4Round 9IT CENTER MANADO244♠♥K=+0
+2.4Round 10HEMANT JALAN24♥♦K-1-2
+2.0Round 11INDIA LIONS124♥♦Q+1+0
+2.0Round 13GHETARY54♠♣6-1+10
+1.9Round 15DORSI234♠♣4-2+8
+1.5Round 12SURPRISE232♣x♦Q-2+13
+1.4Round 6VALLON273NT♣2-2-5
+1.3Round 4CHILE64♠♥3+1-10
+1.3Round 4CHILE74NT♠9+1+1
+1.3Round 9IT CENTER MANADO233♠♦2-1+11
+1.1Round 3JLLIN CRE8IVE264♥♦Q=+0
+1.1Round 9IT CENTER MANADO251NT♥J=+5
+1.0Round 14CHINA JUAN171NT♦8-2+0
+0.9Round 12SURPRISE284♥♦A+2+11
+0.8Round 4CHILE22♠♥Q-1-3
+0.8Round 8FINIKIOTIS151NT♦A=+7
+0.6Round 12SURPRISE254♥♣7=+0
+0.5Round 4CHILE52♠♥3+2-1
+0.5Round 8FINIKIOTIS113NT♥6+1-10
+0.3Round 3JLLIN CRE8IVE271NT♥4=-1
+0.3Round 8FINIKIOTIS201♥♥5+2+0
+0.3Round 11INDIA LIONS141♠♣10=-1
+0.3Round 15DORSI244♥♦K+2+1
+0.2Round 5JAPAN144♥♦9+1-1
+0.2Round 6VALLON225♣♦K-1+2
+0.1Round 11INDIA LIONS196♣♥A=-11
+0.1Round 15DORSI303NT♣A+2-1
-0.0Round 3JLLIN CRE8IVE244♠♠A=+0
+0.0Round 7CAPUCHO13♦♠8+2-4
-0.1Round 10HEMANT JALAN71♠♦10=+2
-0.1Round 14CHINA JUAN144♠♥3+2-8
-0.2Round 6VALLON232NT♣3=+0
-0.3Round 14CHINA JUAN133NT♠10=+0
-0.4Round 12SURPRISE277♣♠5=-2
-0.6Round 15DORSI213♥♠3-1-3
-0.8Round 9IT CENTER MANADO222♠♦3+1+0
-0.8Round 13GHETARY83NT♦Q+1-1
-1.2Round 5JAPAN202♦♥3+2-1
-1.2Round 7CAPUCHO64♥♣4+1+0
-1.2Round 15DORSI271NT♦4-1-4
-1.3Round 7CAPUCHO51NT♠9+3-1
-1.4Round 9IT CENTER MANADO293♦♥Q+1+0
-1.6Round 4CHILE32♥♦5=+0
-1.8Round 11INDIA LIONS164♥♦A=+0
-1.9Round 7CAPUCHO74♥♣A=+0
-1.9Round 9IT CENTER MANADO211♠♣3+1+1
-2.0Round 6VALLON244♣♦K=+0
-2.0Round 10HEMANT JALAN82♥♥A+1-1
-2.0Round 11INDIA LIONS113NT♠4+2+10
-2.0Round 13GHETARY23NT♠3+1-1
-2.1Round 4CHILE12♦♣A-2-9
-2.1Round 5JAPAN124♥♦10+1+0
-2.1Round 11INDIA LIONS183♠♣K-2-11
-2.3Round 14CHINA JUAN202♠♦Q-1+0
-2.3Round 15DORSI294♥♠5-1-6
-2.4Round 15DORSI285♦x♠J-3-14
-2.5Round 6VALLON215♣x♣K-3-4
-2.6Round 10HEMANT JALAN53NT♠2+1+0
-2.6Round 14CHINA JUAN122♠♥5=-11
-2.9Round 8FINIKIOTIS165♦♣J=-7
-3.1Round 6VALLON303♥♠6-1-5
-3.2Round 3JLLIN CRE8IVE305♣x♦7-2-12
-3.2Round 8FINIKIOTIS143NT♥2-1-5
-3.3Round 3JLLIN CRE8IVE253♠♥A-1+2
-3.3Round 5JAPAN113NT♥9+1+0
-3.4Round 6VALLON295♦♥3-1-12
-3.4Round 7CAPUCHO83♠♠4+1-7
-3.4Round 9IT CENTER MANADO286♥♣Q+1+11
-3.6Round 5JAPAN134♠♥4-1-6
-3.6Round 10HEMANT JALAN63♣♠K-2-6
-3.8Round 10HEMANT JALAN33NT♦J-1-1
-3.9Round 15DORSI262NT♦5=-6
-4.5Round 5JAPAN153NT♥J-2-8
-4.8Round 14CHINA JUAN152NT♣10+1-10
-4.9Round 7CAPUCHO92♦x♠A-2-4
-4.9Round 13GHETARY43NT♠K-1-12
-5.0Round 15DORSI223♣♠2-2-11
-5.1Round 12SURPRISE306♠♦4=+0
-5.4Round 11INDIA LIONS173NT♣6=+1
-5.4Round 14CHINA JUAN115♠♥5+1-14
-5.5Round 4CHILE82♠♥6+1-6
-5.6Round 3JLLIN CRE8IVE283NT♥5+1-11
-6.2Round 5JAPAN176♣♠J=+2
-7.8Round 12SURPRISE226♦x♣3-2-9
-7.8Round 13GHETARY93NT♥5-1-11
-9.1Round 11INDIA LIONS133♦♠J-1-12
-10.3Round 4CHILE94♠♣8+3-14
-10.4Round 15DORSI253NT♣A=-10
-13.1Round 9IT CENTER MANADO302NTx♥A-5-12
-14.1Round 3JLLIN CRE8IVE231NTx♣A+3-15