ZHANG Gang · SANMING EDUCATION

100rank
-9.7Butler · 28 bds
-0.35per board
±3.6swing
-0.68vs par /bd
-0.17adjusted /bd
Butler per round: -9.7 -9.7by round

vs par split: bidding -0.75 · play +0.07

Strength of schedule: opponents averaged +0.17/bd (a tough draw) → opponent-adjusted -0.17/bd

Card play — on target: opening leads 100.0% · declarer play 66.7% · defence 66.7%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)100.0% (3)
Declarer play100.0% (3)55.6% (9)
Defence100.0% (3)50.0% (6)

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

vs par by strain: NT -2.33 (9) · a suit +0.10 (19)

vs par by level: part-score +1.70 (10) · game -2.27 (15) · slam -0.67 (3)

By role: declaring -0.34/bd (-2.90 vs par · 19) · defending -0.37/bd (+4.00 vs par · 9)

By vulnerability: vulnerable +0.02/bd (+0.21 vs par · 14) · not vulnerable -0.71/bd (-1.57 vs par · 14)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32J.WeiR.Welland – S.AukenOpen14-14.7-1.05-2.50
Round of 32J.WeiR.Jagniewski – W.GawelOpen14+5.0+0.36+1.14

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
+7.6Round of 32POLMANY284♠♦K=+7
+4.2Round of 32POLMANY162♣♦Q-1+5
+3.8Round of 32POLMANY193NT♥3+3+1
+2.9Round of 32POLMANY42♠♥K-2+7
+2.7Round of 32POLMANY174♠♦6=-1
+2.2Round of 32POLMANY91♠♥6+2+1
+1.8Round of 32POLMANY101NT♦J+2+1
+1.3Round of 32POLMANY84♠♥7+2-11
+0.7Round of 32POLMANY212♠♦4=+1
+0.6Round of 32POLMANY75♣♦A=-2
+0.5Round of 32POLMANY154♠♦2=+0
+0.4Round of 32POLMANY143NT♥5=-1
+0.2Round of 32POLMANY62♦♥K+1+0
+0.2Round of 32POLMANY273NT♥3=+1
+0.1Round of 32POLMANY204♠♣2=+0
+0.0Round of 32POLMANY54♠♦10=+0
-0.5Round of 32POLMANY14♥♣Q=-1
-0.5Round of 32POLMANY223NT♠6+1+0
-1.6Round of 32POLMANY24♣♥4+1+11
-2.2Round of 32POLMANY253♥♦9=+0
-2.4Round of 32POLMANY132♥♠K-1-5
-2.6Round of 32POLMANY266NT♣J=+13
-2.8Round of 32POLMANY123♦♥2-1-4
-2.8Round of 32POLMANY183NT♦2-1-5
-2.8Round of 32POLMANY245♦x♦7-1-5
-3.9Round of 32POLMANY33NT♣9+2-17
-3.9Round of 32POLMANY236♠♥K+1-1
-12.9Round of 32POLMANY117NT♥9-1-14