🇺🇸 ZHANG Susan · USA2

46rank
-48.7Butler · 56 bds
-0.87per board
±5.1swing
-2.27vs par /bd
-0.38adjusted /bd
Butler per round: -48.7 -48.7 -48.7 -48.7by round

vs par split: bidding -1.84 · play -0.43

Strength of schedule: opponents averaged +0.49/bd (a tough draw) → opponent-adjusted -0.38/bd

Card play — on target: opening leads 75.0% · declarer play 81.8% · defence 79.2%

Bidding activity — not a pass: 47.5% (77/162)

Card play by contract type — on target
vs NTvs a suit
Opening leads40.0% (5)100.0% (7)
Declarer play50.0% (4)100.0% (7)
Defence87.5% (8)75.0% (16)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 66.7% (3) · ♦ 100.0% (3) · ♣ 75.0% (4)

vs par by strain: NT -2.53 (17) · a suit -2.15 (39)

vs par by level: part-score -3.71 (14) · game -2.03 (38) · slam +0.50 (4)

By role: declaring +0.13/bd (-3.22 vs par · 32) · defending -2.21/bd (-1.00 vs par · 24)

By vulnerability: vulnerable -1.77/bd (-3.18 vs par · 28) · not vulnerable +0.03/bd (-1.36 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalS.ShiS.Baldysz – C.BaldyszOpen14-4.8-0.34-3.36
QuarterfinalS.ShiS.Baldysz – C.BaldyszOpen14-4.8-0.34-2.29
QuarterfinalS.ShiS.Baldysz – C.BaldyszOpen14-13.6-0.97-0.71
QuarterfinalS.ShiS.Baldysz – C.BaldyszOpen14-25.5-1.82-2.71

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
+10.3Quarterfinal🇵🇱 POLAND844♠♥4-1+12
+9.1Quarterfinal🇵🇱 POLAND626NT♣9=+2
+8.9Quarterfinal🇵🇱 POLAND596NT♠J=+0
+5.9Quarterfinal🇵🇱 POLAND173NT♣K-3+11
+5.7Quarterfinal🇵🇱 POLAND153NT♦J=+0
+5.6Quarterfinal🇵🇱 POLAND104♣♥T=+0
+5.3Quarterfinal🇵🇱 POLAND185♥x♠A=+6
+5.1Quarterfinal🇵🇱 POLAND724♥♣A=+0
+4.4Quarterfinal🇵🇱 POLAND114♥♦4=-1
+3.9Quarterfinal🇵🇱 POLAND705♦x♥6-1+5
+3.1Quarterfinal🇵🇱 POLAND773NT♦3+1+0
+3.0Quarterfinal🇵🇱 POLAND803NT♦6+1+0
+2.7Quarterfinal🇵🇱 POLAND255♥x♣A-2+5
+2.3Quarterfinal🇵🇱 POLAND141♥♦K+1+0
+2.3Quarterfinal🇵🇱 POLAND735♠♥Q-1+8
+2.1Quarterfinal🇵🇱 POLAND285♥♣6=+0
+1.9Quarterfinal🇵🇱 POLAND13♠♥Q=+0
+1.9Quarterfinal🇵🇱 POLAND136♥♣K=+0
+1.7Quarterfinal🇵🇱 POLAND646♥♦A=+0
+1.7Quarterfinal🇵🇱 POLAND682♥♦J=+6
+1.7Quarterfinal🇵🇱 POLAND695♣♠7=+13
+0.6Quarterfinal🇵🇱 POLAND264♠♣6+3-12
+0.3Quarterfinal🇵🇱 POLAND24♠♥4+2-11
+0.3Quarterfinal🇵🇱 POLAND783NT♥9+1+1
-0.1Quarterfinal🇵🇱 POLAND164♥♣7+1+0
-0.3Quarterfinal🇵🇱 POLAND664♥♦K+1+0
-0.4Quarterfinal🇵🇱 POLAND193NT♠Q+1+1
-0.6Quarterfinal🇵🇱 POLAND124♥♠8+1-14
-0.7Quarterfinal🇵🇱 POLAND64♠♣Q=+0
-1.0Quarterfinal🇵🇱 POLAND604NT♠4=+1
-1.0Quarterfinal🇵🇱 POLAND831NT♣Q+1+0
-1.1Quarterfinal🇵🇱 POLAND814♥x♣A-1+0
-1.3Quarterfinal🇵🇱 POLAND215♦x♣K-3-5
-1.4Quarterfinal🇵🇱 POLAND82♠♣A=-1
-1.7Quarterfinal🇵🇱 POLAND74♠♥K+1+0
-2.3Quarterfinal🇵🇱 POLAND583♦♠A+1+0
-2.4Quarterfinal🇵🇱 POLAND32♥♦2=-6
-2.4Quarterfinal🇵🇱 POLAND243♣♥A-1-4
-2.7Quarterfinal🇵🇱 POLAND573NT♥9=+0
-3.4Quarterfinal🇵🇱 POLAND225♠♥5=+0
-3.9Quarterfinal🇵🇱 POLAND41NT♥6+3-10
-4.0Quarterfinal🇵🇱 POLAND743NT♠6-2-6
-4.1Quarterfinal🇵🇱 POLAND753♠♣A-2-11
-4.4Quarterfinal🇵🇱 POLAND94♥♦3+1+0
-4.9Quarterfinal🇵🇱 POLAND205♣♥A-1-12
-5.3Quarterfinal🇵🇱 POLAND273NT♦4-4-12
-6.1Quarterfinal🇵🇱 POLAND55♥♦A=-4
-6.1Quarterfinal🇵🇱 POLAND632♦♣8-2-7
-8.3Quarterfinal🇵🇱 POLAND715♥♠Q-1-11
-8.6Quarterfinal🇵🇱 POLAND613♦♣A-2-6
-9.0Quarterfinal🇵🇱 POLAND673NT♠Q-1-11
-9.3Quarterfinal🇵🇱 POLAND233NT♣9=-10
-9.3Quarterfinal🇵🇱 POLAND764♠x♦4+1-9
-10.1Quarterfinal🇵🇱 POLAND795♣x♥5-2-12
-10.6Quarterfinal🇵🇱 POLAND653♦x♠Q=-13
-11.7Quarterfinal🇵🇱 POLAND823NT♥2=-10