ZHANG Bangxiang · SHENZHEN NANGANG POWER

296rank
-10.7Butler · 35 bds
-0.31per board
±3.6swing
-0.97vs par /bd · #293/399
-0.57adjusted /bd
Butler per round: -12 3.1 10.5 -0.8 -11.5by round

vs par split: bidding -0.20 · play -0.77

Strength of schedule: opponents averaged -0.27/bd (an easy draw) → opponent-adjusted -0.57/bd

Card play — on target: opening leads 88.9% #88 of 398 · declarer play 84.6% #80 of 398 · defence 85.7% #175 of 399

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)100.0% (4)
Declarer play75.0% (4)88.9% (9)
Defence80.0% (5)88.9% (9)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (2) · ♦ 100.0% (1) · ♣ 66.7% (3)

vs par by strain: NT -0.11 (9) · a suit -1.27 (26)

vs par by level: part-score -0.61 (13) · game -1.32 (19) · slam -0.33 (3)

By role: declaring +0.41/bd (-2.67 vs par · 21) · defending -1.39/bd (+1.57 vs par · 14)

By vulnerability: vulnerable -0.22/bd (+0.17 vs par · 18) · not vulnerable -0.40/bd (-2.18 vs par · 17)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3N.WangM.Tokcan – D.MarquardtOpen7-12.0-1.71-1.29
Round 4N.WangM.Hu – Y.ZhouClosed7+3.1+0.44+1.86
Round 5N.WangG.Hingle – C.ChildClosed7+10.5+1.50+1.00
Round 6N.WangP.Gill – J.DawsonClosed7-0.8-0.11-2.57
Round 8N.WangB.Pollack – R.PollackOpen7-11.5-1.64-3.86

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 4SAIC226♦♠3=-2
+6.6Round 6BINKIE126♥♠2=+1
+4.8Round 5ROSSLEE15♠♥10-2+9
+3.4Round 5ROSSLEE72♥♦A+2+7
+2.8Round 4SAIC243NT♠6+2+0
+2.6Round 8MOSS233♣♥K+1-9
+2.5Round 4SAIC275♣♦A-1+4
+2.5Round 5ROSSLEE43NT♥J=-2
+1.8Round 4SAIC282♥♥6+2+1
+1.5Round 5ROSSLEE63NT♥J+1-1
+1.2Round 5ROSSLEE52♣♣2=+2
+1.0Round 3VALIO161NT♣3+2+0
+0.6Round 6BINKIE131NT♥K+2+10
+0.4Round 3VALIO173♦♣A-1-5
+0.3Round 4SAIC263♠♣A+1+10
+0.1Round 6BINKIE104♥♥4=-1
-0.1Round 3VALIO194♥♣3+1+0
-0.1Round 4SAIC253NT♠5=+0
-0.3Round 6BINKIE95♥♣3=+0
-0.4Round 3VALIO203NT♠8+1+1
-0.7Round 8MOSS263♣♦J-1-5
-1.0Round 3VALIO214♠♦3+1+0
-1.1Round 5ROSSLEE24♥♠J+2-1
-1.7Round 6BINKIE84♥♣6-1-10
-1.8Round 5ROSSLEE32♠♦7+1-7
-1.8Round 8MOSS283♥♣K-1-3
-2.1Round 8MOSS255♠x♥4-2+0
-2.2Round 8MOSS244♠♣K+1+0
-2.7Round 6BINKIE143NT♠7-1-8
-2.7Round 8MOSS222♣♥5-2-5
-3.4Round 6BINKIE115♠♦8+2-10
-4.6Round 8MOSS274♠♦K-1-5
-5.8Round 3VALIO183NT♥K+1-1
-6.1Round 3VALIO153♥♣A=-4
-12.3Round 4SAIC236♥♣9=+0