CHEN Jiun-Ming · CTBA

51rank
+41.9Butler · 56 bds
+0.75per board
±4.2swing
+1.21vs par /bd · #30/277
+0.57adjusted /bd
Butler per round: 8.8 0.7 -0.4 -0.6 13.6 14.4 2 3.4by round

vs par split: bidding +1.18 · play +0.04

Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted +0.57/bd

Card play — on target: opening leads 77.8% #141 of 277 · declarer play 69.2% #185 of 277 · defence 93.8% #28 of 277

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)83.3% (6)
Declarer play50.0% (4)77.8% (9)
Defence100.0% (5)92.6% (27)

Opening leads by suit led: ♠ 0.0% (2) · ♦ 100.0% (2) · ♣ 100.0% (5)

vs par by strain: NT +1.00 (13) · a suit +1.28 (43)

vs par by level: part-score +1.31 (26) · game -0.58 (24) · slam +8.00 (6)

By role: declaring +0.93/bd (-1.29 vs par · 24) · defending +0.61/bd (+3.09 vs par · 32)

By vulnerability: vulnerable +0.93/bd (+2.04 vs par · 28) · not vulnerable +0.56/bd (+0.39 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.LinG.Miao – Z.XuClosed7+8.8+1.26+1.14
Round 2C.LinB.Wang – J.LiOpen7+0.7+0.10+3.43
Round 3C.LinK.Jin – Z.LiOpen7-0.4-0.06+0.57
Round 4C.LinR.Klinger – M.MullamphyClosed7-0.6-0.09-2.00
Round 5C.LinW.Guo – X.XueOpen7+13.6+1.94+3.43
Round 6C.LinK.Tang – Y.CaoClosed7+14.4+2.06+1.29
Round 7C.LinM.Barhbarh – J.Ech Cherif AlkettaniClosed7+2.0+0.29+1.43
Round 8C.LinY.Huang – X.HuClosed7+3.4+0.49+0.43

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
+13.1Round 5BEIJING LAWYERS76♣♠7-2+17
+7.8Round 2GSRC & P UNITED145♥♥3-6+9
+7.7Round 6ZHONGFU123♥♠J+2+10
+7.5Round 4AUSCROWAL233NT♥2=+10
+7.2Round 3GUANGZHOU ZHAOHENG201NTx♦5+2+10
+6.2Round 6ZHONGFU144♠♥3=+7
+5.0Round 8PING AN CHINA262♠♦5+2+10
+4.7Round 1SHAOGUAN RENHUA53♠♠3-3+4
+4.2Round 8PING AN CHINA222NT♠4-3+1
+4.0Round 3GUANGZHOU ZHAOHENG183♠♣A=+1
+3.8Round 7MOROCCAN OPEN T166♥x♠Q-2+5
+3.5Round 7MOROCCAN OPEN T154♠♥4-1+12
+3.2Round 1SHAOGUAN RENHUA13NT♦10+1+0
+3.2Round 1SHAOGUAN RENHUA44♥♣3-1+12
+3.2Round 5BEIJING LAWYERS44♠♣8-1+6
+3.0Round 2GSRC & P UNITED122♦♣2=+5
+2.9Round 6ZHONGFU112♣♣3+2+1
+2.7Round 5BEIJING LAWYERS33NT♥5+1+1
+2.5Round 3GUANGZHOU ZHAOHENG174♠♣8-1+8
+2.4Round 7MOROCCAN OPEN T216♠♠2=+0
+2.3Round 1SHAOGUAN RENHUA23♥♣A+1+10
+1.9Round 1SHAOGUAN RENHUA73♠♦7+1+1
+1.7Round 4AUSCROWAL241NT♣3-2+0
+1.6Round 7MOROCCAN OPEN T203♣♣9-1+0
+1.4Round 8PING AN CHINA233♣♠K=+0
+1.2Round 2GSRC & P UNITED92♠♦Q+1+0
+1.1Round 6ZHONGFU83♠♥Q-1-2
+1.0Round 6ZHONGFU132♠♠4=+0
+0.6Round 3GUANGZHOU ZHAOHENG154♥♠10+2-11
+0.4Round 4AUSCROWAL274♠♥4+1-11
+0.4Round 5BEIJING LAWYERS14♥♣K=+1
+0.2Round 2GSRC & P UNITED113♠♦3=-1
+0.1Round 5BEIJING LAWYERS23♥♦9-1-1
-0.2Round 4AUSCROWAL253NT♠Q=+0
-0.2Round 7MOROCCAN OPEN T192♦♣2-1-2
-0.2Round 8PING AN CHINA251NT♥4-1+1
-0.6Round 4AUSCROWAL262♥♣Q=+0
-0.7Round 5BEIJING LAWYERS66NT♣10=+11
-0.8Round 8PING AN CHINA284♠♣7=-3
-0.9Round 2GSRC & P UNITED81NT♠2=+1
-1.1Round 7MOROCCAN OPEN T174♥♦7-2-7
-1.2Round 1SHAOGUAN RENHUA61NT♥4=-11
-1.6Round 3GUANGZHOU ZHAOHENG194♠♦K=-6
-1.7Round 6ZHONGFU102♣♣4+2+0
-2.2Round 3GUANGZHOU ZHAOHENG162♠x♠7-1+6
-2.6Round 8PING AN CHINA244♠♦4-1-5
-2.8Round 6ZHONGFU94♥x♦K-1-7
-3.6Round 2GSRC & P UNITED104♥♦3=-3
-3.6Round 4AUSCROWAL222♥♠3+2-10
-3.6Round 8PING AN CHINA274♠♦Q+1-1
-5.2Round 5BEIJING LAWYERS54♠♠3-2-11
-5.3Round 1SHAOGUAN RENHUA33NTx♦Q-1-8
-5.8Round 4AUSCROWAL283NT♣3=-3
-7.0Round 2GSRC & P UNITED136♠♥4+1+13
-8.0Round 7MOROCCAN OPEN T186♦♥3=+2
-10.9Round 3GUANGZHOU ZHAOHENG215♣x♦4=-4