CHEN Ying · ZHONGSHAN JIEGAO

67rank
+25.6Butler · 28 bds
+0.91per board
±3.9swing
+1.21vs par /bd · #160/579
+0.94adjusted /bd
Butler per round: -4 19.7 12.9 -3by round

vs par split: bidding +1.50 · play -0.29

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.94/bd

Card play — on target: opening leads 75.0% #317 of 579 · declarer play 75.0% #267 of 579 · defence 84.6% #353 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)83.3% (6)
Declarer play0.0% (1)85.7% (7)
Defence100.0% (3)80.0% (10)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 50.0% (2) · ♣ 75.0% (4)

vs par by strain: NT +1.75 (8) · a suit +1.00 (20)

vs par by level: part-score +1.75 (12) · game -1.46 (13) · slam +10.67 (3)

By role: declaring +0.11/bd (-4.60 vs par · 15) · defending +1.84/bd (+7.92 vs par · 13)

By vulnerability: vulnerable +0.73/bd (-1.00 vs par · 13) · not vulnerable +1.07/bd (+3.13 vs par · 15)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3X.WeiF.Wrang – J.Ventin CamprubiOpen7-4.0-0.57-2.00
Round 4X.WeiM.Baldi – F.MurgiaClosed7+19.7+2.81+6.43
Round 6X.WeiG.Brekka – K.BaumannOpen7+12.9+1.84-1.29
Round 7X.WeiJ.Liu – L.HuClosed7-3.0-0.43+1.71

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
+12.2Round 4ITALIA263NT♣Q-3+17
+7.2Round 6KCB145♥♦3-1+8
+4.7Round 6KCB84♠x♣A-3+2
+4.6Round 4ITALIA236NT♦10-2+17
+3.9Round 4ITALIA272♦♦Q-2+7
+3.7Round 7JIANGSU BRIDGE ASSOCIATION162♣♦6+3+10
+3.0Round 3VENTIN203NT♥K+1-12
+2.9Round 3VENTIN195♠♠2=-17
+2.8Round 6KCB114♣♣2-1+5
+2.8Round 7JIANGSU BRIDGE ASSOCIATION192♥♠7-2+2
+2.5Round 4ITALIA243NT♠5+2+0
+2.0Round 7JIANGSU BRIDGE ASSOCIATION214♠♣3-1+5
+1.5Round 3VENTIN171NT♠K+1-1
+1.2Round 6KCB103♠♦A=+0
+1.1Round 6KCB94♥♣3=-13
+0.9Round 6KCB132♠♥A+1+0
+0.0Round 4ITALIA222♥♦A+1+0
+0.0Round 4ITALIA253NT♣4+2+12
-0.2Round 3VENTIN153♥♠4-1+2
-0.6Round 7JIANGSU BRIDGE ASSOCIATION204♥♣K+1-13
-1.6Round 7JIANGSU BRIDGE ASSOCIATION172♠♦5=-1
-1.7Round 3VENTIN183♥♥5=-1
-3.5Round 4ITALIA283NT♠6-2-8
-4.4Round 7JIANGSU BRIDGE ASSOCIATION182♦x♠8-1-2
-4.5Round 3VENTIN216♠♥J=+13
-4.9Round 7JIANGSU BRIDGE ASSOCIATION154♠♣K+2+11
-5.0Round 3VENTIN166♦♥6=+2
-5.0Round 6KCB123NT♠3-2-11