🇨🇳 ZHANG Yu · CHINA RED

42rank
-10.4Butler · 48 bds
-0.22per board
±5.0swing
-0.75vs par /bd
+0.97adjusted /bd
Butler per round: -10.4 -10.4 -10.4by round

vs par split: bidding -0.21 · play -0.54

Strength of schedule: opponents averaged +1.19/bd (a tough draw) → opponent-adjusted +0.97/bd

Card play — on target: opening leads 69.2% · declarer play 33.3% · defence 83.3%

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (3)80.0% (10)
Declarer play0.0% (3)66.7% (3)
Defence75.0% (8)87.5% (16)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 66.7% (3) · ♦ 66.7% (3) · ♣ 50.0% (2)

vs par by strain: NT -1.53 (17) · a suit -0.32 (31)

vs par by level: part-score -0.67 (12) · game -1.57 (30) · slam +3.17 (6)

By role: declaring +0.44/bd (-2.42 vs par · 24) · defending -0.87/bd (+0.92 vs par · 24)

By vulnerability: vulnerable -1.00/bd (-0.62 vs par · 24) · not vulnerable +0.57/bd (-0.88 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16H.WangG.Helgemo – T.HelnessClosed16+9.0+0.56-0.06
Round of 16H.WangG.Helgemo – T.HelnessClosed16-5.6-0.35+0.19
Round of 16H.WangG.Helgemo – T.HelnessClosed16-13.8-0.86-2.38

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
+10.8Round of 16ZIMMERMANN376♥♠4-1+11
+8.9Round of 16ZIMMERMANN326♠♣3=+11
+8.4Round of 16ZIMMERMANN135♣x♥A-2+8
+6.8Round of 16ZIMMERMANN255♦x♥K-1+8
+6.7Round of 16ZIMMERMANN13NT♥J=+7
+5.8Round of 16ZIMMERMANN304♥♣5=+0
+5.5Round of 16ZIMMERMANN53NT♠3-1+10
+4.3Round of 16ZIMMERMANN334♠♣K=+0
+3.9Round of 16ZIMMERMANN431♠x♥Q+1-4
+3.7Round of 16ZIMMERMANN193♥♦K=+6
+3.0Round of 16ZIMMERMANN213♠♠10=+1
+2.9Round of 16ZIMMERMANN144♠♦2=+7
+2.4Round of 16ZIMMERMANN152♠♥4=+0
+2.3Round of 16ZIMMERMANN45♦x♥K-1+8
+2.2Round of 16ZIMMERMANN33NT♦8=+0
+2.2Round of 16ZIMMERMANN83♦♣K+2+6
+2.2Round of 16ZIMMERMANN412♥♦4-2-6
+1.9Round of 16ZIMMERMANN274♥♦K+1+0
+1.6Round of 16ZIMMERMANN243NT♦2+2-11
+1.5Round of 16ZIMMERMANN266♠♦A=+0
+1.2Round of 16ZIMMERMANN73NT♠3+1-1
+0.4Round of 16ZIMMERMANN23♠♥K-1-6
+0.4Round of 16ZIMMERMANN223NT♦A-1+5
+0.1Round of 16ZIMMERMANN363NT♦2=-13
-0.2Round of 16ZIMMERMANN123NT♣3+1+0
-0.2Round of 16ZIMMERMANN182♠♦K+1+0
-0.4Round of 16ZIMMERMANN396♣♠7=-2
-0.7Round of 16ZIMMERMANN403NT♣7+1-1
-0.8Round of 16ZIMMERMANN472♠♣4+1+0
-1.5Round of 16ZIMMERMANN313NT♠Q+2+14
-1.6Round of 16ZIMMERMANN341NT♦7+1+0
-2.6Round of 16ZIMMERMANN463NT♠5+1-1
-2.8Round of 16ZIMMERMANN354♠♦2-1-5
-3.1Round of 16ZIMMERMANN63NT♠6-2-11
-3.1Round of 16ZIMMERMANN456♦♥3+1-1
-3.5Round of 16ZIMMERMANN94♥♣10+1-8
-3.5Round of 16ZIMMERMANN443♥♠A=+0
-3.7Round of 16ZIMMERMANN174♥♠2=+0
-4.1Round of 16ZIMMERMANN113♦♣K=-5
-4.3Round of 16ZIMMERMANN284♥♦5-2-9
-4.4Round of 16ZIMMERMANN164♠♦K-4-3
-4.6Round of 16ZIMMERMANN423NT♦J+1+0
-4.7Round of 16ZIMMERMANN384♥♣7-2-5
-7.7Round of 16ZIMMERMANN294♠x♥A-1-7
-9.9Round of 16ZIMMERMANN103NT♥9+1-13
-9.9Round of 16ZIMMERMANN206NT♠J=+0
-10.3Round of 16ZIMMERMANN483NT♠3=-11
-11.9Round of 16ZIMMERMANN234♥x♠A-2-15