GU Yan · QIANWEI

236rank
-9.0Butler · 14 bds
-0.64per board
±5.0swing
+0.50vs par /bd
-1.32adjusted /bd
Butler per round: 2.1 -11.1by round

vs par split: bidding +0.29 · play +0.21

Strength of schedule: opponents averaged -0.67/bd (an easy draw) → opponent-adjusted -1.32/bd

Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 80.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)100.0% (4)
Declarer play·50.0% (2)
Defence100.0% (1)77.8% (9)

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

vs par by strain: NT +7.50 (2) · a suit -0.67 (12)

vs par by level: part-score +0.33 (6) · game +0.62 (8)

By role: declaring +1.80/bd (-1.75 vs par · 4) · defending -1.62/bd (+1.40 vs par · 10)

By vulnerability: vulnerable -0.52/bd (+1.83 vs par · 6) · not vulnerable -0.74/bd (-0.50 vs par · 8)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2L.WangJ.Chen – Y.WangClosed7+2.1+0.30+2.14
Round 3L.WangF.Wang – Z.GuoClosed7-11.1-1.59-1.14

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
+7.5Round 3BEIJING LAWYERS203NT♦5=+10
+6.7Round 2CHANGYU134♠♥4+2+17
+3.1Round 2CHANGYU81NT♦J-1+5
+3.1Round 3BEIJING LAWYERS182♠♥4=+0
+3.0Round 2CHANGYU124♥♣A-1+5
+0.6Round 3BEIJING LAWYERS154♥♠10+2-11
+0.2Round 2CHANGYU112♠♦2+1-1
-1.6Round 3BEIJING LAWYERS194♠♦K=-6
-2.4Round 2CHANGYU142♠♦J+1-1
-2.4Round 3BEIJING LAWYERS173♠♣8=+4
-4.0Round 2CHANGYU94♠♠9-1-6
-4.5Round 2CHANGYU104♥♠K+1-4
-7.2Round 3BEIJING LAWYERS164♥♠A=+0
-11.1Round 3BEIJING LAWYERS212♣x♥10+3-5