ZHANG De Zhong · ZHIHAOLE

221rank
-31.2Butler · 14 bds
-2.23per board
±3.6swing
-5.14vs par /bd
-2.01adjusted /bd
Butler per round: -18.3 -12.9by round

vs par split: bidding -4.21 · play -0.93

Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted -2.01/bd

Card play — on target: opening leads 100.0% · declarer play 75.0% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)100.0% (1)
Declarer play100.0% (1)66.7% (3)
Defence100.0% (2)100.0% (2)

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

vs par by strain: NT -4.00 (3) · a suit -5.46 (11)

vs par by level: part-score -3.17 (6) · game -6.62 (8)

By role: declaring -1.82/bd (-6.10 vs par · 10) · defending -3.25/bd (-2.75 vs par · 4)

By vulnerability: vulnerable -1.80/bd (-5.88 vs par · 8) · not vulnerable -2.80/bd (-4.17 vs par · 6)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 4Z.LuoZ.Li – Y.JingClosed7-18.3-2.61-4.43
Round 5Z.LuoJ.Yao – L.LeiClosed7-12.9-1.84-5.86

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
+5.0Round 5CHINA PETROLEUM SPORTS ASSCCIA74♠♠2+1-13
+1.3Round 4HUOCHETOU BLUE242♥♠6=+0
+0.2Round 5CHINA PETROLEUM SPORTS ASSCCIA43NT♦K=-2
+0.1Round 5CHINA PETROLEUM SPORTS ASSCCIA52♦♠7-1+1
-0.6Round 5CHINA PETROLEUM SPORTS ASSCCIA33♥♦5-2-1
-0.8Round 4HUOCHETOU BLUE282♣x♥K-1+0
-1.1Round 4HUOCHETOU BLUE225♠♦A=+0
-1.4Round 4HUOCHETOU BLUE233NT♠6=+0
-2.3Round 5CHINA PETROLEUM SPORTS ASSCCIA13♦♣6+1-7
-4.4Round 4HUOCHETOU BLUE264♣♣6+2-12
-5.2Round 4HUOCHETOU BLUE274♥x♠A-2-9
-5.4Round 5CHINA PETROLEUM SPORTS ASSCCIA64♥♦K-1-9
-6.7Round 4HUOCHETOU BLUE254♥♠A-3-10
-9.9Round 5CHINA PETROLEUM SPORTS ASSCCIA23NT♥10=-10