CHEN Jun · DALIAN AOXIN

407rank
-22.8Butler · 150 bds
-0.15per board
±4.1swing
+0.25vs par /bd · #211/567
+0.07adjusted /bd
Butler per round: 30.6 -0.6 -11.3 -11.7 15.3 42.4 -12.2 -11.7 -21.3 -7.5 -20.8 -7.7 -2.8 -2.6 -0.9by round

vs par split: bidding +0.25 · play +0.00

Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.07/bd

Card play — on target: opening leads 81.8% #235 of 567 · declarer play 69.7% #439 of 567 · defence 84.6% #226 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads69.2% (13)87.1% (31)
Declarer play71.4% (7)69.2% (26)
Defence76.9% (26)88.5% (52)

Opening leads by suit led: ♠ 42.9% (7) · ♥ 100.0% (11) · ♦ 100.0% (13) · ♣ 69.2% (13)

vs par by strain: NT -0.31 (45) · a suit +0.49 (105)

vs par by level: part-score +0.04 (69) · game +0.32 (76) · slam +2.00 (5)

By role: declaring +0.06/bd (-1.71 vs par · 72) · defending -0.35/bd (+2.05 vs par · 78)

By vulnerability: vulnerable +0.26/bd (+0.69 vs par · 75) · not vulnerable -0.56/bd (-0.20 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.LinL.Ligambi – G.AstoreClosed10+30.6+3.06+3.70
Round 2S.HuoG.Matushko – J.KhokhlovClosed10-0.6-0.06+1.40
Round 3S.HuoC.Lorenzini – T.BessisOpen10-11.3-1.13-2.30
Round 4Y.LinH.Lasut – E.ManoppoOpen10-11.7-1.17-1.30
Round 5S.HuoL.Blakset – N.BekkoucheOpen10+15.3+1.53+2.50
Round 6Y.LinL.Li – M.YuClosed10+42.4+4.24+2.90
Round 7S.HuoR.Parasian – J.GeorgeOpen10-12.2-1.22-3.60
Round 8S.HuoJ.Zhao – Y.ZhangClosed10-11.7-1.17-1.00
Round 9Y.LinG.Xin – H.JiangOpen10-21.3-2.13+1.10
Round 10S.HuoJ.Liu – Y.CaiOpen10-7.5-0.75+1.30
Round 11Y.LinJ.Bian – N.LiuClosed10-20.8-2.08-1.70
Round 12S.HuoP.Ravenna – M.ThomaOpen10-7.7-0.77+0.30
Round 13S.HuoS.Dinkin – L.BakerOpen10-2.8-0.28+1.90
Round 14H.ZhuD.Wang – M.ShiClosed10-2.6-0.26+1.10
Round 15S.HuoC.Willenken – H.BertensClosed10-0.9-0.09-2.60

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
+12.3Round 1ITALY Seniors93♥x♦A=+14
+10.5Round 6JXBA253NT♠3=+10
+9.6Round 10WUHAN DONGFANG54♠x♦3-2+12
+9.5Round 5MIX DENMARK204♠♦9=+10
+8.9Round 6JXBA263NT♣5-3+9
+8.0Round 1ITALY Seniors44♥♦9=+10
+7.8Round 8ZHEJIANGQIANTANG164♥x♣A-2+5
+7.7Round 1ITALY Seniors84♠♣10+1+1
+6.8Round 5MIX DENMARK114♠♠4=+7
+6.7Round 2RUSSIA Open115♦♥K-1+10
+6.5Round 6JXBA296♠♥10=+0
+6.3Round 15USA 2 Mixed294♥♣4=+3
+6.0Round 13USA 1 Women85♦♠9+1+11
+5.9Round 15USA 2 Mixed223NT♦8=+0
+5.7Round 2RUSSIA Open204♠♥A-1+12
+5.6Round 1ITALY Seniors102♣x♣4+1+6
+5.3Round 14JINSHUO154♠♥2+1+11
+4.8Round 7INDONESIA Open45♠x♦A-1+7
+4.6Round 7INDONESIA Open33NT♥10-2+6
+4.4Round 5MIX DENMARK133NT♣2=-1
+4.2Round 7INDONESIA Open93NT♦Q=-13
+4.1Round 6JXBA223♥♦K-1+5
+4.1Round 6JXBA283♠♦10-1+6
+4.1Round 9SAN CHEN FUND234NT♥9=+14
+3.7Round 2RUSSIA Open124♠♥Q-1+12
+3.6Round 5MIX DENMARK194♠♦8-1+5
+3.6Round 6JXBA275♠x♥A-1+9
+3.3Round 12BRAZIL Mixed302♣♦A-3+0
+3.1Round 11CHINA XHJT131NT♣J+3-1
+2.8Round 6JXBA213NT♦6-1-4
+2.7Round 3SHEN214♥♠K=-1
+2.7Round 13USA 1 Women43♥♣3+1+2
+2.6Round 7INDONESIA Open23♣♥6-1+5
+2.6Round 13USA 1 Women101NT♠5=-1
+2.4Round 14JINSHUO192♥♦3-1+4
+2.3Round 10WUHAN DONGFANG102♠♦2+1+1
+2.1Round 12BRAZIL Mixed231NT♥A-2+2
+1.9Round 7INDONESIA Open14♥♣10-2+0
+1.7Round 10WUHAN DONGFANG11NT♦10=+5
+1.6Round 5MIX DENMARK152♥♠A=+5
+1.6Round 6JXBA232♠♣4+1+0
+1.5Round 1ITALY Seniors22♦♠9+2+0
+1.5Round 12BRAZIL Mixed262♥♥2+2+1
+1.5Round 14JINSHUO164♠♥A-1+5
+1.4Round 3SHEN285♣♠Q=-2
+1.4Round 11CHINA XHJT124♥♦10=+0
+1.3Round 11CHINA XHJT143♣♣J+1+0
+1.2Round 3SHEN304♥♣6+2+1
+1.1Round 13USA 1 Women62♦♥6+1+7
+0.9Round 6JXBA243♦♠A=+0
+0.8Round 4INDONESIA Seniors62♠♣8=+0
+0.8Round 7INDONESIA Open53♥♠8-1-1
+0.8Round 11CHINA XHJT183♠♥4=+1
+0.8Round 14JINSHUO173NT♥J+1-1
+0.7Round 9SAN CHEN FUND254♥♥5+3+10
+0.6Round 1ITALY Seniors12♠♥7+2+6
+0.6Round 2RUSSIA Open131NT♠J=-1
+0.6Round 4INDONESIA Seniors34♥♦3+2+11
+0.6Round 8ZHEJIANGQIANTANG133♦♠A=+1
+0.6Round 14JINSHUO124♠♥10=+0
+0.5Round 1ITALY Seniors72NT♥4=+0
+0.4Round 4INDONESIA Seniors54♠♥A+1+1
+0.4Round 12BRAZIL Mixed243♠♣A+1+7
+0.3Round 4INDONESIA Seniors14♥♠K+1+0
+0.3Round 12BRAZIL Mixed273♠♦6+3-5
+0.2Round 13USA 1 Women73NT♥2=-2
+0.1Round 3SHEN223NT♦4-1+5
+0.1Round 5MIX DENMARK173♣♥3+1+0
+0.1Round 9SAN CHEN FUND242♥♦6-1+4
+0.0Round 8ZHEJIANGQIANTANG114♠♥A+1+0
-0.0Round 8ZHEJIANGQIANTANG143NT♦7+2+0
-0.1Round 4INDONESIA Seniors72♠♣K+2-1
-0.2Round 10WUHAN DONGFANG33♣♦2+2+6
-0.2Round 15USA 2 Mixed243NT♠2+2+0
-0.3Round 3SHEN245♦♥3=-2
-0.5Round 4INDONESIA Seniors92♠♦K+1-6
-0.5Round 8ZHEJIANGQIANTANG153NT♠2+1+0
-0.5Round 9SAN CHEN FUND263NT♥9+2+12
-0.5Round 15USA 2 Mixed253NT♣4+1+0
-0.6Round 2RUSSIA Open143♦♥3=-5
-0.6Round 5MIX DENMARK163♣♥K+1+7
-0.6Round 6JXBA302♥♣K+1-6
-0.7Round 4INDONESIA Seniors101NT♣A-1+0
-0.8Round 12BRAZIL Mixed292♠♣7+2-1
-0.9Round 13USA 1 Women93NT♥5+2-2
-1.0Round 10WUHAN DONGFANG86NT♣7+1+11
-1.0Round 12BRAZIL Mixed212♠♦A=+0
-1.0Round 13USA 1 Women53♥♦A+1+7
-1.1Round 1ITALY Seniors62♠♣7-1+8
-1.1Round 3SHEN264♥♠K+2-13
-1.2Round 9SAN CHEN FUND283♥♦4-1-4
-1.3Round 4INDONESIA Seniors25♣x♥A-1+0
-1.3Round 15USA 2 Mixed263♠♣A-2-10
-1.3Round 15USA 2 Mixed274♠♣K-1-2
-1.4Round 14JINSHUO132♠♦6=+0
-1.7Round 4INDONESIA Seniors82♠♦K-1-4
-1.8Round 15USA 2 Mixed232♠♠2+1-1
-1.9Round 2RUSSIA Open192♦♣8=-1
-1.9Round 8ZHEJIANGQIANTANG175♣♦A-2-5
-2.1Round 9SAN CHEN FUND213♠♦A=-7
-2.1Round 13USA 1 Women22NT♠Q=+9
-2.2Round 1ITALY Seniors53♣♣4+2-7
-2.2Round 11CHINA XHJT163♥♣9+1-1
-2.3Round 1ITALY Seniors33♥♦K+1-1
-2.3Round 2RUSSIA Open181NT♥5=-5
-2.3Round 11CHINA XHJT201NTx♠6-1-3
-2.4Round 2RUSSIA Open153♥♦10+1-1
-2.4Round 10WUHAN DONGFANG64♠♣10-1-6
-2.4Round 12BRAZIL Mixed226♣♥10=+2
-2.4Round 14JINSHUO203♥♦A-1+1
-2.5Round 15USA 2 Mixed283NT♥10+3-11
-2.6Round 12BRAZIL Mixed256♠♣10=+11
-2.7Round 3SHEN274♥♠2=-3
-2.7Round 14JINSHUO183NT♣3+1-4
-2.7Round 15USA 2 Mixed213♥♣J=+0
-2.8Round 13USA 1 Women13NT♦3=+1
-2.8Round 15USA 2 Mixed303NT♦3-1-5
-2.9Round 5MIX DENMARK141NT♦J+2-7
-3.0Round 14JINSHUO142NT♣10-1-4
-3.1Round 10WUHAN DONGFANG73NT♦2=+0
-3.2Round 7INDONESIA Open103♥♦10=-7
-3.2Round 8ZHEJIANGQIANTANG184♠♣K+1+0
-3.4Round 9SAN CHEN FUND291NT♠6-1-1
-3.5Round 3SHEN253♥♦A-1+0
-3.6Round 5MIX DENMARK122♣x♦J=-2
-3.6Round 5MIX DENMARK182NT♠3=+1
-3.6Round 10WUHAN DONGFANG44♠♦2-2-2
-3.7Round 14JINSHUO113NT♣8+2-1
-3.8Round 2RUSSIA Open163NT♣8=-7
-4.0Round 8ZHEJIANGQIANTANG123NT♦5+2-11
-4.0Round 10WUHAN DONGFANG92♥♦2-2-7
-4.1Round 3SHEN233NT♣2-2-7
-4.4Round 8ZHEJIANGQIANTANG201NT♥2+1+0
-4.9Round 9SAN CHEN FUND274♠♥9-1-10
-5.0Round 3SHEN295♥♠A-1-1
-5.1Round 11CHINA XHJT115♦♣4-1-4
-5.1Round 11CHINA XHJT154♠♦7=+1
-5.5Round 11CHINA XHJT192♠♣J=-10
-6.1Round 8ZHEJIANGQIANTANG193NT♠2=+0
-6.3Round 2RUSSIA Open174♠♥A=+0
-6.4Round 9SAN CHEN FUND223NT♠7=-7
-6.8Round 10WUHAN DONGFANG24♠x♦2=-7
-7.0Round 7INDONESIA Open73♥♣8-2-7
-7.2Round 11CHINA XHJT173NT♣9=+0
-7.7Round 9SAN CHEN FUND304♠♦Q=+0
-8.5Round 12BRAZIL Mixed286♥♠J-1-14
-8.6Round 13USA 1 Women34♠♦5-2-13
-9.5Round 4INDONESIA Seniors44♥♠J-3-14
-9.7Round 7INDONESIA Open85♥♦Q-1-14
-11.2Round 7INDONESIA Open64♥x♦6-4-12