CHEN Jien · CHINA MIXED

52rank
+22.7Butler · 84 bds
+0.27per board
±4.4swing
+0.11vs par /bd · #18/30
+0.12adjusted /bd
Butler per round: 15.2 15.2 53.1 53.1 -45.6 -45.6by round

vs par split: bidding +0.02 · play +0.05

Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted +0.12/bd

Card play — on target: opening leads 75.0% #20 of 30 · declarer play 90.0% #4 of 30 · defence 88.6% #11 of 30

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (8)87.5% (16)
Declarer play88.9% (9)90.9% (11)
Defence90.0% (10)88.2% (34)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 75.0% (4) · ♦ 66.7% (9) · ♣ 80.0% (5)

vs par by strain: NT -0.63 (27) · a suit +0.41 (56)

vs par by level: part-score +0.12 (41) · game -1.24 (33) · slam +4.67 (9)

By role: declaring +0.91/bd (-1.68 vs par · 40) · defending -0.31/bd (+1.73 vs par · 44)

By vulnerability: vulnerable +0.58/bd (-0.57 vs par · 42) · not vulnerable -0.04/bd (+0.79 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32P.WangS.Mukherjee – D.MajumderClosed14-7.5-0.54+1.57
Round of 32S.WuB.Satyanarayana – K.NadarClosed14+22.7+1.62+1.00
Round of 16P.WangX.Guo – Y.HuangClosed14+19.6+1.40+1.57
Round of 16P.WangY.Lu – Z.ZhangClosed14+33.5+2.39+0.93
QuarterfinalP.WangD.Sacul – C.SumampouwClosed14-1.3-0.09-2.36
QuarterfinalS.WuD.Sacul – C.SumampouwClosed14-44.3-3.16-2.07

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
+14.1Round of 32FORMIDABLES267♠♥8=+0
+9.6Round of 32FORMIDABLES196♦♣K-1+13
+9.2Round of 16ZHONGSHAN JIEGAO116♠♣10-1+11
+7.9Round of 16ZHONGSHAN JIEGAO153NT♦Q=-2
+7.7QuarterfinalINDONESIA Mixed125♣xx♥A+1+1
+7.1Round of 32FORMIDABLES176♠♦5-1+11
+6.2Round of 32FORMIDABLES94♠♥6-2+7
+6.0Round of 16ZHONGSHAN JIEGAO252♥♠5=+11
+5.9Round of 16ZHONGSHAN JIEGAO221NTx♥3=+3
+5.1Round of 16ZHONGSHAN JIEGAO33♣♥A=+5
+5.0Round of 16ZHONGSHAN JIEGAO23♠♣3-4+3
+4.7Round of 32FORMIDABLES101NT♦3=+5
+4.6Round of 16ZHONGSHAN JIEGAO244♥♠K=+1
+4.3Round of 16ZHONGSHAN JIEGAO162♥♣8+1+0
+4.2Round of 16ZHONGSHAN JIEGAO201NT♣4-3+5
+3.8Round of 16ZHONGSHAN JIEGAO10Pass+3
+3.7QuarterfinalINDONESIA Mixed51NT♠9+2+6
+3.6QuarterfinalINDONESIA Mixed101NT♠Q+2+6
+3.6QuarterfinalINDONESIA Mixed284♣♠4-3+7
+3.5Round of 16ZHONGSHAN JIEGAO273♣♠Q=+0
+3.1Round of 32FORMIDABLES236♠♥K=+0
+2.8Round of 32FORMIDABLES183NT♦8-1+5
+2.4QuarterfinalINDONESIA Mixed72♠♥4+1-10
+2.3Round of 16ZHONGSHAN JIEGAO54♦♠4-2+0
+2.3Round of 16ZHONGSHAN JIEGAO74♠♥7-1+6
+1.9Round of 16ZHONGSHAN JIEGAO195♣♠3=+0
+1.7Round of 16ZHONGSHAN JIEGAO262NT♦3-2+2
+1.2Round of 16ZHONGSHAN JIEGAO183NT♠8=+0
+0.9QuarterfinalINDONESIA Mixed231NT♦10=-2
+0.8Round of 32FORMIDABLES62♠♦4+1+1
+0.7Round of 32FORMIDABLES24♣♥4=-11
+0.6Round of 32FORMIDABLES84♠♥7=+11
+0.6Round of 16ZHONGSHAN JIEGAO84♠♥4+1+0
+0.5Round of 32FORMIDABLES161NT♣3+1-1
+0.4QuarterfinalINDONESIA Mixed21NT♠9-1-1
+0.3Round of 16ZHONGSHAN JIEGAO44♠♥8=-3
+0.1Round of 16ZHONGSHAN JIEGAO92♥♠Q+1+0
+0.1QuarterfinalINDONESIA Mixed143♣♦10=+0
+0.0QuarterfinalINDONESIA Mixed253NT♦7+1-10
-0.1Round of 32FORMIDABLES204♠♣6=+0
-0.1Round of 16ZHONGSHAN JIEGAO282♠♦Q+1+0
-0.2Round of 32FORMIDABLES273NT♥5=-1
-0.3Round of 16ZHONGSHAN JIEGAO61NT♥Q+1-1
-0.3Round of 16ZHONGSHAN JIEGAO124♠x♥A-2+0
-0.3QuarterfinalINDONESIA Mixed134♠♠4+1-13
-0.4Round of 32FORMIDABLES143NT♥3=+1
-0.4QuarterfinalINDONESIA Mixed41♠♥Q+2+0
-0.5Round of 32FORMIDABLES154♠♣3=+0
-0.5Round of 32FORMIDABLES225♣♠6=-1
-0.6Round of 16ZHONGSHAN JIEGAO171♠♣4+2+0
-0.6QuarterfinalINDONESIA Mixed263♣♥A+1+0
-0.7Round of 32FORMIDABLES211NT♥4-1+0
-0.9Round of 32FORMIDABLES41NT♠4+1-5
-0.9Round of 16ZHONGSHAN JIEGAO144♥♥2+2+8
-0.9QuarterfinalINDONESIA Mixed94♠♥2-1-5
-0.9QuarterfinalINDONESIA Mixed274♠♦J+1+0
-1.0QuarterfinalINDONESIA Mixed192♦♥4-1+3
-1.1Round of 32FORMIDABLES54♠♦Q+1-1
-1.2Round of 32FORMIDABLES123♦♥2=+0
-1.4Round of 32FORMIDABLES14♥♣K+2-1
-1.4QuarterfinalINDONESIA Mixed243♣♦3-1+2
-1.5Round of 32FORMIDABLES74♥♣6=+1
-1.6QuarterfinalINDONESIA Mixed61NT♠9=-2
-1.7Round of 32FORMIDABLES116NT♦10=+0
-1.7QuarterfinalINDONESIA Mixed164♠♥K+1+0
-1.9Round of 16ZHONGSHAN JIEGAO13♥♠J-1-2
-2.1Round of 32FORMIDABLES244♥x♦A-1+0
-2.3Round of 16ZHONGSHAN JIEGAO213♣♦J+1-1
-2.4Round of 32FORMIDABLES131NT♣4=+1
-2.4QuarterfinalINDONESIA Mixed16♣♥5=+2
-2.8Round of 32FORMIDABLES254♥♦9-1-5
-3.0QuarterfinalINDONESIA Mixed204♦♠A+1+10
-3.1QuarterfinalINDONESIA Mixed33NT♥3-2-11
-3.7QuarterfinalINDONESIA Mixed212♥♥2+1+7
-4.7Round of 16ZHONGSHAN JIEGAO231♠♦A+1-6
-5.1QuarterfinalINDONESIA Mixed111NT♠5+5-6
-5.4QuarterfinalINDONESIA Mixed83NT♥4-2+0
-5.4QuarterfinalINDONESIA Mixed184♥♣Q=-11
-5.7Round of 16ZHONGSHAN JIEGAO136♥♠4=-8
-7.6Round of 32FORMIDABLES284♠♦K=-7
-9.4QuarterfinalINDONESIA Mixed151NT♣10=-11
-9.6QuarterfinalINDONESIA Mixed223NT♥3-3-11
-9.9Round of 32FORMIDABLES36NT♠6+1+13
-12.1QuarterfinalINDONESIA Mixed172♥x♣A=-13