ZHANG Susan · ZHANG

125rank
-4.4Butler · 70 bds
-0.06per board
±3.3swing
+0.44vs par /bd · #54/180
+0.32adjusted /bd
Butler per round: 12.3 -20.3 4.7 0.3 -1.4by round

vs par split: bidding +0.43 · play -0.09

Strength of schedule: opponents averaged +0.39/bd (a tough draw) → opponent-adjusted +0.32/bd

Card play — on target: opening leads 66.7% #171 of 180 · declarer play 71.4% #125 of 180 · defence 87.9% #65 of 180

Bidding activity — not a pass: 36.5% #169 of 180 (77/211)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)58.3% (12)
Declarer play0.0% (1)76.9% (13)
Defence83.3% (6)88.9% (27)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 0.0% (2) · ♦ 60.0% (5) · ♣ 75.0% (4)

vs par by strain: NT +0.10 (10) · a suit +0.38 (58)

vs par by level: part-score +0.23 (30) · game +0.12 (34) · slam +3.00 (4)

By role: declaring +0.03/bd (-1.00 vs par · 35) · defending -0.24/bd (+1.76 vs par · 33)

By vulnerability: vulnerable +0.07/bd (+0.94 vs par · 35) · not vulnerable -0.19/bd (-0.06 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1E.WoldT.Gotard – V.Di BaccoOpen14+12.3+0.88+2.43
Round 2E.WoldM.Di Franco – H.KimOpen14-20.3-1.45-0.36
Round 5E.WoldB.Chmurski – D.OcylokClosed14+4.7+0.34+1.14
Round 6E.WoldL.Milne – G.JoelClosed14+0.3+0.02-0.79
Round 8S.ShiA.Silverstein – S.DinkinClosed14-1.4-0.10-0.21

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
+8.1Round 8DINKIN274♠♠Q=+0
+7.6Round 5SV BRIDGE CLUB106♥x♦Q-1+12
+5.4Round 1BV WALDSOLMS94♥♠7=+3
+5.0Round 8DINKIN164♠x♣2-1+5
+4.8Round 1BV WALDSOLMS7Pass+12
+4.1Round 1BV WALDSOLMS83NT♥7-1+5
+4.0Round 5SV BRIDGE CLUB53♥♦K-1+12
+4.0Round 6YOSHKA212♠♦Q+1+0
+3.3Round 1BV WALDSOLMS134♠♦2=+0
+2.6Round 1BV WALDSOLMS33♠♦J=+1
+2.4Round 6YOSHKA232♥♣J-3-7
+2.3Round 6YOSHKA244♥♣A-3+2
+2.2Round 6YOSHKA163NT♠2-2+6
+2.2Round 6YOSHKA263♣♥J-3+9
+2.2Round 8DINKIN155♠x♥6+1-6
+2.1Round 1BV WALDSOLMS53♥♦A-1+5
+2.0Round 1BV WALDSOLMS114♥♦4=-1
+2.0Round 2SEOUL202♠♥4+1+7
+2.0Round 8DINKIN203NT♠3-1+0
+1.7Round 2SEOUL251♠♠3-1+1
+1.5Round 1BV WALDSOLMS13♥x♠J-1+0
+1.4Round 8DINKIN223♥♠6=+0
+1.3Round 8DINKIN185♥♣A+1+13
+1.2Round 1BV WALDSOLMS64♥♠K+2+11
+1.2Round 5SV BRIDGE CLUB44♥♦4-1-9
+1.2Round 8DINKIN171NT♠2-3+2
+1.1Round 5SV BRIDGE CLUB34♥♦6+2+1
+1.0Round 2SEOUL182♠♦4+1+1
+0.9Round 8DINKIN254♥♦J+1+0
+0.8Round 2SEOUL234♥♣2-1-1
+0.8Round 5SV BRIDGE CLUB25♠♣7-1+10
+0.8Round 8DINKIN284♥♣2+2+3
+0.7Round 5SV BRIDGE CLUB114♠♥A=+0
+0.7Round 5SV BRIDGE CLUB134♥♦4+1+0
+0.6Round 5SV BRIDGE CLUB14♠♦J-1+5
+0.6Round 6YOSHKA274♥♠6=+0
+0.5Round 5SV BRIDGE CLUB75♦♥8+2-1
+0.5Round 6YOSHKA202♥♦A+1+7
+0.4Round 2SEOUL224♠♣3=+1
+0.3Round 2SEOUL244♥♦6+1+0
+0.0Round 5SV BRIDGE CLUB64♦♥2+1+0
-0.0Round 6YOSHKA281♥♦T+3+1
-0.3Round 2SEOUL282♦♣2-1-4
-0.5Round 6YOSHKA185♥♣6+1-11
-1.0Round 6YOSHKA192♥♦Q-1-2
-1.1Round 1BV WALDSOLMS42♠♦7+2+1
-1.4Round 2SEOUL151NT♣2-1+1
-1.9Round 1BV WALDSOLMS122NT♠4=+5
-2.0Round 8DINKIN214♥♠A+2-8
-2.2Round 2SEOUL212♠♦2=-6
-2.3Round 1BV WALDSOLMS10Pass-4
-2.3Round 5SV BRIDGE CLUB142♠♣K+1+0
-2.3Round 8DINKIN242NT♥7+1-2
-2.5Round 5SV BRIDGE CLUB124♣♦A-1-5
-2.7Round 6YOSHKA173♣♠T-1-4
-2.7Round 8DINKIN233♦♣T-1+0
-2.8Round 2SEOUL192♥♦A+1+0
-2.8Round 6YOSHKA254♠♥2+1-6
-2.9Round 5SV BRIDGE CLUB94♠♣A-1-5
-3.0Round 1BV WALDSOLMS24♠♥9=+0
-3.0Round 6YOSHKA153♥♠8+1-6
-3.6Round 2SEOUL273NT♠A-2-6
-3.7Round 2SEOUL165♥♠Q+1+1
-3.9Round 6YOSHKA222♠♦3=+0
-4.8Round 5SV BRIDGE CLUB84♥♠4+1-4
-5.5Round 2SEOUL176♠♥2=+0
-6.4Round 1BV WALDSOLMS144♠♥5-1-4
-7.0Round 2SEOUL266♥♠J=+0
-7.5Round 8DINKIN191NT♠3+2-10
-9.8Round 8DINKIN266NT♦2=+0