CHEN Ying · ZHONGSHAN JIEGAO

258rank
-14.9Butler · 28 bds
-0.53per board
±4.8swing
-1.29vs par /bd · #290/311
-0.41adjusted /bd
Butler per round: -26.4 14.7 -9.9 6.7by round

vs par split: bidding -2.18 · play +0.89

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -0.41/bd

Card play — on target: opening leads 62.5% #262 of 310 · declarer play 100.0% #1 of 310 · defence 85.7% #153 of 311

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (2)83.3% (6)
Declarer play100.0% (2)100.0% (6)
Defence33.3% (3)100.0% (11)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 50.0% (2) · ♣ 75.0% (4)

vs par by strain: NT -1.67 (6) · a suit -1.18 (22)

vs par by level: part-score -1.38 (8) · game -1.32 (19) · slam +0.00 (1)

By role: declaring -0.39/bd (-3.43 vs par · 14) · defending -0.68/bd (+0.86 vs par · 14)

By vulnerability: vulnerable +1.33/bd (+0.46 vs par · 13) · not vulnerable -2.15/bd (-2.80 vs par · 15)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2X.WeiZ.Shi – C.JuClosed7-26.4-3.77-6.71
Round 3X.WeiK.Martens – D.FilipowiczClosed7+14.7+2.10+2.57
Round 5X.WeiS.Behuria – M.HoodaClosed7-9.9-1.41-1.57
Round 6X.WeiQ.Ye – P.WuClosed7+6.7+0.96+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
+9.0Round 3ERA195♠x♦K-1+7
+8.4Round 3ERA203NT♦3=+10
+7.0Round 6YUETAO OF GUANGZHOU95♣x♥4-2+5
+6.3Round 6YUETAO OF GUANGZHOU144♠♣3+1+8
+5.1Round 2CHINA OPN(A)104♥♠K=+3
+3.9Round 3ERA174♠♣8-1+8
+3.1Round 5AZURE76♥♠A=+0
+2.7Round 6YUETAO OF GUANGZHOU133♠♥J=+1
+2.3Round 5AZURE54♠♣3-1+10
+1.0Round 3ERA211NT♥10+2+10
+1.0Round 5AZURE14♥♣A+1+0
+0.3Round 3ERA154♥♠9+2-11
-0.2Round 6YUETAO OF GUANGZHOU124♥♠8+1+0
-1.4Round 5AZURE21♠♣6+2+0
-1.5Round 6YUETAO OF GUANGZHOU103♦♥K+1+0
-2.1Round 5AZURE44♠♦K-1-6
-2.5Round 3ERA182♥♦3+1-6
-3.1Round 2CHINA OPN(A)144♠♦J-2-5
-3.2Round 5AZURE33NT♥6+1-1
-3.7Round 6YUETAO OF GUANGZHOU115♣♣3-2-5
-3.9Round 2CHINA OPN(A)81NT♠2-1-5
-3.9Round 6YUETAO OF GUANGZHOU82♠♦K=-5
-4.4Round 2CHINA OPN(A)134♠♦2+3-17
-5.4Round 3ERA164♥♣5=+0
-5.5Round 2CHINA OPN(A)124♥x♦J-1-7
-5.6Round 2CHINA OPN(A)113♥♠K=-6
-9.0Round 2CHINA OPN(A)93NT♣5=-10
-9.6Round 5AZURE64NT♣4+2-14