HE Weiwei · ZHONGSHAN JIEGAO

49rank
+33.4Butler · 42 bds
+0.80per board
±5.1swing
+1.31vs par /bd · #17/311
+0.64adjusted /bd
Butler per round: 6.6 7.1 0.3 28.7 -12.5 3.2by round

vs par split: bidding +1.33 · play -0.02

Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted +0.64/bd

Card play — on target: opening leads 90.0% #51 of 310 · declarer play 75.0% #176 of 310 · defence 84.2% #171 of 311

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)100.0% (6)
Declarer play66.7% (3)77.8% (9)
Defence75.0% (4)86.7% (15)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 100.0% (1) · ♦ 100.0% (3) · ♣ 100.0% (5)

vs par by strain: NT +1.78 (9) · a suit +1.18 (33)

vs par by level: part-score +1.26 (23) · game -1.64 (14) · slam +9.80 (5)

By role: declaring +0.66/bd (-1.61 vs par · 23) · defending +0.96/bd (+4.84 vs par · 19)

By vulnerability: vulnerable +0.84/bd (+1.91 vs par · 22) · not vulnerable +0.74/bd (+0.65 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.ZhangF.Wrang – J.Ventin CamprubiOpen7+6.6+0.94+1.00
Round 2Z.ZhangH.Shi – Z.ZhuangOpen7+7.1+1.01+5.29
Round 4Z.ZhangL.Hu – X.LiClosed7+0.3+0.04-1.86
Round 5Z.ZhangR.Gupta – J.SensarmaOpen7+28.7+4.10+4.00
Round 7Z.ZhangS.Yan – D.HuOpen7-12.5-1.79-1.14
Round 8Z.ZhangJ.Wang – J.LiClosed7+3.2+0.46+0.57

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
+15.1Round 5AZURE76♣♥3-2+17
+13.4Round 5AZURE66NT♣10-1+17
+8.6Round 4JIANGSU BRIDGE ASSOCIATION233NT♦8+1+10
+8.1Round 5AZURE54♠♥3=+0
+6.7Round 2CHINA OPN(A)82♦x♦6=+7
+5.6Round 2CHINA OPN(A)113♥♠K=+6
+4.1Round 2CHINA OPN(A)93♥x♦6-2+4
+3.7Round 8HUBEI JINPAI273♠♦Q+1+6
+3.6Round 1VENTIN73♠♥2+1+1
+3.4Round 8HUBEI JINPAI262♦♥Q+3+10
+2.7Round 7YUFENG ELECTRIC POWER BRIDGE T154♠♥4-1+12
+2.7Round 8HUBEI JINPAI233♣♠K+1+1
+2.6Round 2CHINA OPN(A)103♠x♣A-1+7
+2.6Round 7YUFENG ELECTRIC POWER BRIDGE T216♠♦8=+0
+2.4Round 1VENTIN13NT♠3=-1
+2.1Round 4JIANGSU BRIDGE ASSOCIATION242NT♥5=+1
+2.1Round 5AZURE44♠♦K-1+6
+1.9Round 7YUFENG ELECTRIC POWER BRIDGE T202♠♣7=+0
+1.7Round 1VENTIN22♥♦9+2+10
+1.4Round 5AZURE22♠♥K+1+0
+1.0Round 1VENTIN53♥♠Q=+0
+1.0Round 4JIANGSU BRIDGE ASSOCIATION253NT♥3+1+1
+0.8Round 4JIANGSU BRIDGE ASSOCIATION274♠♦4+2-11
+0.7Round 8HUBEI JINPAI251NT♣10=+2
+0.1Round 1VENTIN32♠♣K-1-3
-0.5Round 1VENTIN42♥♣3+2+10
-0.7Round 7YUFENG ELECTRIC POWER BRIDGE T174♥♦7-2-7
-0.9Round 8HUBEI JINPAI284♠♣8=-3
-1.0Round 5AZURE14♥♣A+1+0
-1.7Round 1VENTIN62NT♥4=-10
-2.0Round 2CHINA OPN(A)123♦♣2-2+0
-2.2Round 2CHINA OPN(A)142♠♣A=+0
-2.3Round 4JIANGSU BRIDGE ASSOCIATION261NT♠7+2-1
-2.7Round 8HUBEI JINPAI222♠♦K-1-6
-3.7Round 8HUBEI JINPAI245♣♦3-2-6
-4.2Round 4JIANGSU BRIDGE ASSOCIATION222♥♠3+2-10
-4.2Round 7YUFENG ELECTRIC POWER BRIDGE T192♥♠7-1-6
-5.7Round 4JIANGSU BRIDGE ASSOCIATION283NT♣3=-3
-7.0Round 7YUFENG ELECTRIC POWER BRIDGE T165♠♣10-3-9
-7.7Round 2CHINA OPN(A)136♠♦2=+13
-7.8Round 7YUFENG ELECTRIC POWER BRIDGE T186♦♦2=+2
-10.4Round 5AZURE34♠♦J-1-12