LIANG Junxiang · ZUOMEICHENG

467rank
-9.0Butler · 50 bds
-0.18per board
±3.0swing
+0.38vs par /bd
+0.33adjusted /bd
Butler per round: 4.7 -9.4 1.8 -11 4.9by round

vs par split: bidding +0.11 · play +0.22

Strength of schedule: opponents averaged +0.51/bd (a tough draw) → opponent-adjusted +0.33/bd

Card play — on target: opening leads 90.0% · declarer play 83.3% · defence 75.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads·90.0% (10)
Declarer play·83.3% (12)
Defence·75.0% (16)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (1) · ♦ 100.0% (4) · ♣ 100.0% (3)

vs par by strain: a suit +0.33 (36)

vs par by level: part-score -0.68 (19) · game +1.47 (17)

By role: declaring +0.33/bd (-0.11 vs par · 27) · defending -0.78/bd (+0.96 vs par · 23)

By vulnerability: vulnerable -0.38/bd (+0.41 vs par · 27) · not vulnerable +0.05/bd (+0.35 vs par · 23)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 4Y.ZhouT.Ponomareva – V.GromovaClosed10+4.7+0.47+0.60
Round 6Y.ZhouM.Rehder – J.KaterbauClosed10-9.4-0.94-0.10
Round 7Y.ZhouC.Martel – M.FleisherClosed10+1.8+0.18-0.80
Round 9Y.ZhouD.Hoffman – W.HaughieClosed10-11.0-1.10-0.50
Round 14Y.ZhouR.Zaleski – A.FaigenbaumClosed10+4.9+0.49+2.70

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
+8.7Round 7LAVAZZA85♦x♣2=+6
+4.7Round 9HOFFMAN291N♥8=+5
+4.5Round 9HOFFMAN253N♠6-2+8
+4.3Round 9HOFFMAN213N♣4+1+5
+3.8Round 14ZALESKI113♥♠6-2+0
+3.4Round 4RUSSIA83♠♦Q-1+5
+3.1Round 4RUSSIA92♦♥8+1+6
+3.1Round 6GERMANY JUNIORS303♦♠A=-1
+3.0Round 14ZALESKI152♠♦A=+6
+2.7Round 4RUSSIA42♦♣Q+3+10
+2.7Round 14ZALESKI144♠♣10+1+14
+2.6Round 14ZALESKI121N♠4=+0
+2.0Round 6GERMANY JUNIORS264♠♥Q+1+5
+1.5Round 4RUSSIA33N♥5+1-1
+1.4Round 4RUSSIA73♣♣4+2+0
+1.0Round 7LAVAZZA24♠♣A-1-1
+0.7Round 7LAVAZZA102♥♣Q+1+0
+0.6Round 9HOFFMAN283N♥9+1-5
+0.5Round 14ZALESKI192N♠6=+6
+0.2Round 6GERMANY JUNIORS274♥♦K-1+5
+0.1Round 7LAVAZZA14♥♣5=+1
-0.0Round 6GERMANY JUNIORS283N♥10+2+0
-0.0Round 7LAVAZZA31N♣K-2-9
-0.1Round 4RUSSIA23N♠9+1+0
-0.1Round 6GERMANY JUNIORS292♦♠6+2+0
-0.1Round 7LAVAZZA64♥♣J=-1
-0.2Round 7LAVAZZA44♥♣4=-1
-0.5Round 14ZALESKI171N♠4+1+0
-0.6Round 14ZALESKI134♠♣K+2+6
-1.0Round 4RUSSIA52♥♦A-1+1
-1.2Round 6GERMANY JUNIORS233♥♥3+1-1
-1.8Round 7LAVAZZA94♥♠8+3+10
-1.9Round 4RUSSIA102♠♦J-1+1
-1.9Round 6GERMANY JUNIORS223♠♦A+1-7
-1.9Round 7LAVAZZA74♠♥5-1-6
-1.9Round 9HOFFMAN244♥♦2+1+5
-2.1Round 14ZALESKI182♥♥4+2-6
-2.1Round 14ZALESKI205♣♣4=+1
-2.2Round 4RUSSIA13♠♥5-2-5
-2.2Round 4RUSSIA64♣♠Q-2-11
-2.4Round 14ZALESKI163N♥7+1+0
-3.1Round 6GERMANY JUNIORS242N♦7+1-1
-3.3Round 6GERMANY JUNIORS252♥♣K+1+0
-3.3Round 9HOFFMAN273♥♦9-2-6
-3.7Round 9HOFFMAN262N♦7+2-1
-4.4Round 9HOFFMAN304♠x♥Q-1-6
-4.7Round 7LAVAZZA55♠x♦Q-1-7
-4.7Round 9HOFFMAN232♣♠A-3-5
-5.1Round 6GERMANY JUNIORS214♥♠4+2-1
-7.1Round 9HOFFMAN224♠♦6=-5