ZHANG Susan · ZHANG

105rank
-22.6Butler · 56 bds
-0.40per board
±4.4swing
-1.21vs par /bd
-0.31adjusted /bd
Butler per round: -17.8 -13.3 0.1 8.4by round

vs par split: bidding -0.34 · play -0.88

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.31/bd

Card play — on target: opening leads 60.0% · declarer play 52.6% · defence 64.7%

Bidding activity — not a pass: 49.3% (73/148)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)33.3% (3)
Declarer play50.0% (4)53.3% (15)
Defence42.9% (7)80.0% (10)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 0.0% (1) · ♦ 100.0% (1) · ♣ 50.0% (2)

vs par by strain: NT +0.75 (20) · a suit -2.31 (36)

vs par by level: part-score +0.41 (17) · game -1.49 (35) · slam -5.75 (4)

By role: declaring -0.56/bd (-2.79 vs par · 39) · defending -0.05/bd (+2.41 vs par · 17)

By vulnerability: vulnerable -0.46/bd (-1.32 vs par · 28) · not vulnerable -0.35/bd (-1.11 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1W.WangH.Koo – S.LiClosed14-17.8-1.27-2.07
Round 2W.WangS.Quinn – I.LevitinaOpen14-13.3-0.95-4.21
Round 5W.WangA.Pelaggi – M.PelaggiClosed14+0.1+0.01+1.36
Round 7W.WangM.Wojcik – Z.TrojanClosed14+8.4+0.60+0.07

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
+9.7Round 7FIVE OF HEARTS26♣♥J-2+14
+9.4Round 5ITALY WOMEN134♠♥4=+10
+8.3Round 2LEWIS255♠x♥3-3+8
+7.2Round 1HONG KONG LADIES94♥♠5=+3
+6.3Round 7FIVE OF HEARTS83NT♥3=+7
+6.3Round 7FIVE OF HEARTS143♠♦5-1+9
+5.2Round 5ITALY WOMEN123NT♦4-2+11
+4.7Round 2LEWIS173NT♠8+1+0
+4.2Round 1HONG KONG LADIES133NT♠5=+10
+3.3Round 5ITALY WOMEN113NT♥2+1+1
+3.2Round 7FIVE OF HEARTS132♥♣A+2-1
+2.7Round 1HONG KONG LADIES46♠♣6+1-13
+2.4Round 5ITALY WOMEN101NT♥J+1+6
+2.3Round 5ITALY WOMEN143NT♣7+1+1
+2.1Round 2LEWIS162♥♦J+1+6
+2.1Round 2LEWIS226NT♦9+1-11
+1.6Round 2LEWIS181NT♠2=+0
+1.3Round 5ITALY WOMEN73NT♠3+2+13
+1.3Round 5ITALY WOMEN82♥♠Q+2+1
+1.1Round 7FIVE OF HEARTS102♦♣J+3+10
+0.7Round 1HONG KONG LADIES102♥♦J+1+10
+0.5Round 1HONG KONG LADIES114♠♥J=-1
+0.5Round 7FIVE OF HEARTS15♠♣8=+0
+0.5Round 7FIVE OF HEARTS92NT♠3-1+5
+0.3Round 5ITALY WOMEN34♥♣9+1+0
+0.3Round 7FIVE OF HEARTS124♠x♣K-2-8
+0.2Round 5ITALY WOMEN13NT♦2=-1
-0.4Round 2LEWIS283NT♥3+1+0
-0.4Round 7FIVE OF HEARTS52♠♥6+1+0
-0.5Round 7FIVE OF HEARTS34♠♦J-1+2
-0.6Round 2LEWIS153NT♠2=-1
-0.7Round 2LEWIS265♣♣8-1-12
-1.2Round 1HONG KONG LADIES22♠♣3-2+11
-1.5Round 1HONG KONG LADIES144♠♠3-1-4
-1.9Round 1HONG KONG LADIES13NT♠5-2-5
-1.9Round 2LEWIS242♦♠2+1+0
-1.9Round 7FIVE OF HEARTS115♣♥A-1-5
-2.2Round 1HONG KONG LADIES84♠♥5-1-5
-2.7Round 7FIVE OF HEARTS44♠♣A-1-12
-3.3Round 1HONG KONG LADIES74♠♥3-1-12
-3.4Round 1HONG KONG LADIES53NT♠5-1-5
-3.5Round 5ITALY WOMEN23NT♣J+2-2
-3.8Round 1HONG KONG LADIES64♥x♠3-1+0
-3.8Round 2LEWIS274♠♥6-1-5
-4.2Round 2LEWIS206♥♣4-1-13
-4.6Round 5ITALY WOMEN63♦♣K+2-7
-4.8Round 5ITALY WOMEN94♥♣A-1-5
-5.7Round 5ITALY WOMEN53♠♥T-3-9
-6.2Round 7FIVE OF HEARTS62♥♣5-3-7
-6.4Round 2LEWIS213NT♠3=-6
-6.8Round 2LEWIS194♥♣3-2-11
-7.0Round 5ITALY WOMEN43NT♠T+1+0
-7.3Round 2LEWIS234♦♥6+2-14
-7.7Round 1HONG KONG LADIES124♥♦K-1-10
-7.8Round 7FIVE OF HEARTS73♠♥2=-13
-8.1Round 1HONG KONG LADIES33NT♦8-2-8