CHANG Ko-Wei · CHINESE TAIPEI WHITE

37rank
-24.0Butler · 16 bds
-1.50per board
±4.9swing
-2.56vs par /bd
-1.35adjusted /bd
by round

vs par split: bidding -0.25 · play -2.31

Strength of schedule: opponents averaged +0.15/bd (a tough draw) → opponent-adjusted -1.35/bd

Card play — on target: opening leads 100.0% · declarer play 25.0% · defence 57.1%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (3)
Declarer play0.0% (1)33.3% (3)
Defence100.0% (2)40.0% (5)

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

vs par by strain: NT +0.17 (6) · a suit -4.20 (10)

vs par by level: part-score -3.42 (12) · game +0.00 (3) · slam +0.00 (1)

By role: declaring -0.11/bd (-3.33 vs par · 9) · defending -3.29/bd (-1.57 vs par · 7)

By vulnerability: vulnerable -3.75/bd (-3.38 vs par · 8) · not vulnerable +0.75/bd (-1.75 vs par · 8)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalC.ChiuR.Mao – P.WangClosed16-24.0-1.50-2.56

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
+10.6QuarterfinalSX XHEST306NT♣A=+0
+4.1QuarterfinalSX XHEST321NT♠6=+6
+3.7QuarterfinalSX XHEST312♠♣Q+1-10
+3.6QuarterfinalSX XHEST222♥♦4-2+2
+0.0QuarterfinalSX XHEST183NT♦6+3+11
-1.0QuarterfinalSX XHEST254♦♠7=+0
-1.6QuarterfinalSX XHEST172NT♦10-1-4
-2.4QuarterfinalSX XHEST192♠♥A+1-6
-3.0QuarterfinalSX XHEST244♦♠A-1-2
-3.1QuarterfinalSX XHEST202♣x♣9-1-2
-4.3QuarterfinalSX XHEST213♦♣10-1+1
-4.3QuarterfinalSX XHEST272♠♦2-1-10
-5.0QuarterfinalSX XHEST262♦♠5=-5
-5.1QuarterfinalSX XHEST282NT♣K+1-11
-5.1QuarterfinalSX XHEST293NT♣2+1-1
-11.1QuarterfinalSX XHEST234♥♣6=-10