CHEN Ji · P D TIMES

10rank
+8.8Butler · 48 bds
+0.18per board
±3.9swing
-0.25vs par /bd
+0.42adjusted /bd
Butler per round: 0.2 8.9 -0.3by round

vs par split: bidding -0.72 · play +0.40

Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +0.42/bd

Card play — on target: opening leads 90.9% · declarer play 71.4% · defence 90.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)100.0% (7)
Declarer play50.0% (2)80.0% (5)
Defence100.0% (7)84.6% (13)

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

vs par by strain: NT -0.06 (16) · a suit -0.45 (31)

vs par by level: part-score -1.53 (17) · game +0.81 (27) · slam -3.67 (3)

By role: declaring +0.84/bd (-1.54 vs par · 28) · defending -0.73/bd (+1.55 vs par · 20)

By vulnerability: vulnerable -0.07/bd (-1.00 vs par · 24) · not vulnerable +0.44/bd (+0.50 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalP.HuangR.Tobing – T.AsbiOpen16+0.2+0.01+1.00
SemifinalP.HuangJ.Dai – L.YangOpen16+8.9+0.56-2.12
FinalP.HuangM.Ticha – R.RitmeijerClosed16-0.3-0.02+0.38

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
+10.4QuarterfinalINDONESIA OPEN ME133NT♥9-2+12
+9.7FinalWHITE HOUSE83NT♦3+1+7
+8.3SemifinalSAIC VW116♠♦6=+0
+4.7QuarterfinalINDONESIA OPEN ME73NT♥Q=-1
+4.3QuarterfinalINDONESIA OPEN ME14♠x♦K=+12
+4.3SemifinalSAIC VW43NT♥7=+0
+4.3FinalWHITE HOUSE72♠♣4=+1
+4.0SemifinalSAIC VW144♣♠J+1-2
+3.9QuarterfinalINDONESIA OPEN ME144♥♦8=+0
+3.7SemifinalSAIC VW163NT♥2=+0
+3.3SemifinalSAIC VW22♠♦T+1+2
+3.0SemifinalSAIC VW151NT♥3-5-2
+2.7FinalWHITE HOUSE33NT♠T-2+17
+2.0FinalWHITE HOUSE143♠♣5+1+7
+1.7QuarterfinalINDONESIA OPEN ME35♦♥K=+0
+1.4QuarterfinalINDONESIA OPEN ME84♠♥J=+1
+1.3QuarterfinalINDONESIA OPEN ME12Pass+3
+1.3SemifinalSAIC VW104♠♥Q+1+0
+1.1QuarterfinalINDONESIA OPEN ME111NT♠2-1+2
+0.7FinalWHITE HOUSE63NT♥J+1+0
+0.1QuarterfinalINDONESIA OPEN ME103♠♣A-3-4
+0.0SemifinalSAIC VW34♠♥K=+0
+0.0SemifinalSAIC VW54♥♠6-1-9
+0.0SemifinalSAIC VW66♣♠Q=+0
+0.0SemifinalSAIC VW124♠♣A=+0
+0.0FinalWHITE HOUSE24♥♠K+1+0
+0.0FinalWHITE HOUSE93NT♠3=+0
-0.3FinalWHITE HOUSE43♥♣A-1-5
-0.3FinalWHITE HOUSE134♥♦3+1+4
-0.4QuarterfinalINDONESIA OPEN ME44♥♦Q+2+13
-1.7QuarterfinalINDONESIA OPEN ME53NT♣Q-2-13
-1.7FinalWHITE HOUSE51NT♥5-4-7
-1.7FinalWHITE HOUSE122♠♥A+1+7
-1.7FinalWHITE HOUSE153NT♠7-1-5
-2.3SemifinalSAIC VW12♥♦8-1-2
-2.7FinalWHITE HOUSE102NT♦K=+0
-3.0SemifinalSAIC VW73♠♣A-2-2
-3.3SemifinalSAIC VW96♦♠K+1-11
-3.3FinalWHITE HOUSE14♥♦2=+1
-3.7QuarterfinalINDONESIA OPEN ME64♠♦4=+1
-3.7QuarterfinalINDONESIA OPEN ME164♠♥A+1+0
-3.7SemifinalSAIC VW81NT♥5+1+0
-4.0FinalWHITE HOUSE113NT♦4+1-11
-4.0FinalWHITE HOUSE161♠♥Q-1-10
-5.0QuarterfinalINDONESIA OPEN ME94♠♦5=+0
-6.3QuarterfinalINDONESIA OPEN ME24♣♦5-2-3
-6.7SemifinalSAIC VW132♦♦2-2-8
-7.9QuarterfinalINDONESIA OPEN ME154♥♣A=-7