LI Xufeng · FUJIAN BOSSSOFT

452rank
-31.4Butler · 140 bds
-0.22per board
±4.3swing
-0.56vs par /bd · #455/567
-0.32adjusted /bd
Butler per round: 8.1 -19.3 1.6 15.1 -17.5 19 -30.4 2.8 1.3 -1.7 17 -2.4 -23 -2by round

vs par split: bidding -0.22 · play -0.44

Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted -0.32/bd

Card play — on target: opening leads 75.0% #425 of 567 · declarer play 73.5% #366 of 567 · defence 81.8% #331 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)79.4% (34)
Declarer play83.3% (6)71.4% (28)
Defence85.0% (20)80.7% (57)

Opening leads by suit led: ♠ 75.0% (12) · ♥ 77.8% (9) · ♦ 66.7% (9) · ♣ 80.0% (10)

vs par by strain: NT +0.70 (33) · a suit -0.94 (107)

vs par by level: part-score -0.49 (67) · game -0.85 (68) · slam +2.60 (5)

By role: declaring -0.41/bd (-2.79 vs par · 62) · defending -0.08/bd (+1.22 vs par · 78)

By vulnerability: vulnerable -0.30/bd (-0.30 vs par · 71) · not vulnerable -0.15/bd (-0.83 vs par · 69)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.WuT.Stabell – L.StabellClosed10+8.1+0.81+0.60
Round 2Y.WuT.Ma – X.ZhengClosed10-19.3-1.93-3.60
Round 3Y.WuJ.Zhou – J.HouOpen10+1.6+0.16+1.40
Round 4Y.WuL.Qi – S.LiuClosed10+15.1+1.51+1.60
Round 5Y.WuA.Bach – M.CornellClosed10-17.5-1.75-2.50
Round 6H.ChenV.Markowicz – K.MoszczynskiClosed10+19.0+1.90+3.40
Round 7Y.WuT.Chodchoy – T.JitngamkusolOpen10-30.4-3.04-5.60
Round 8Y.WuR.Milne – B.O'BrienClosed10+2.8+0.28+0.40
Round 9H.ChenY.Wei – D.YuOpen10+1.3+0.13-3.30
Round 11H.ChenH.Oh – A.MannoOpen10-1.7-0.17-1.00
Round 12Y.WuW.Teng – S.YuOpen10+17.0+1.70+2.20
Round 13Y.WuL.Li – M.YuClosed10-2.4-0.24+1.20
Round 14H.ChenT.Chen – B.ZhouOpen10-23.0-2.30-4.00
Round 15Y.WuV.Desai – K.SamantClosed10-2.0-0.20+1.40

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 4WUHAN JIANG AN AREA25♣x♥A=+14
+11.8Round 4WUHAN JIANG AN AREA44♥x♠J-2+15
+11.3Round 15NAMO KK263NT♣Q-4+14
+9.8Round 12ONE ESSENTIAL OF RED264♥♣8=+10
+9.7Round 3CHINA XHJT223NT♣Q=+7
+8.2Round 12ONE ESSENTIAL OF RED232♣x♥A-2+8
+7.8Round 1NORWAY Seniors93NT♥10=+5
+7.7Round 9JILIN BA304♠♦Q=+0
+5.7Round 8IRELAND126♣♦5=-2
+5.6Round 8IRELAND132♠♠4=+6
+5.4Round 6POLAND Seniors304♥♣K-1+10
+5.1Round 11SEOUL MIXED154♠♦6=-1
+4.9Round 9JILIN BA274♠♠3-1+10
+4.7Round 1NORWAY Seniors44♥♦9-1+6
+4.7Round 6POLAND Seniors261♠♠Q-3+5
+4.5Round 6POLAND Seniors293NT♥9+3+12
+4.4Round 15NAMO KK306♣♦A-2+6
+4.3Round 13JXBA54♥♠9=+11
+4.2Round 7BBC THAILAND93NT♠2=-13
+4.1Round 12ONE ESSENTIAL OF RED274♠♣J=+0
+3.9Round 8IRELAND174♣♦A=+1
+3.9Round 11SEOUL MIXED183♠♣2-1+4
+3.7Round 8IRELAND193NT♠2-1+10
+3.5Round 3CHINA XHJT253♦♦9=+0
+3.3Round 6POLAND Seniors253NT♠6-2+7
+3.3Round 13JXBA22♠♣2=+12
+3.2Round 14HIIMOTOR161♠♦Q+2+0
+3.1Round 1NORWAY Seniors84♠♦A-1+10
+2.9Round 3CHINA XHJT284♦x♦3-1+6
+2.7Round 13JXBA103♠♣3-1-1
+2.7Round 15NAMO KK212♥♠A+1+0
+2.5Round 15NAMO KK283NT♥J+3+11
+2.3Round 11SEOUL MIXED201NT♠2-2+3
+2.1Round 9JILIN BA212♠♣Q+1+7
+2.0Round 4WUHAN JIANG AN AREA62♥♠7-2+3
+2.0Round 13JXBA74♠♥K+1+0
+1.9Round 12ONE ESSENTIAL OF RED213♦♥K-2+3
+1.9Round 14HIIMOTOR113NT♣10=-1
+1.8Round 13JXBA42♥♦3+1+1
+1.7Round 3CHINA XHJT232♠♣K-1+5
+1.6Round 4WUHAN JIANG AN AREA101NT♠5+1+1
+1.6Round 9JILIN BA292♠♣4+2-1
+1.5Round 6POLAND Seniors275♥♠J-2-5
+1.4Round 5NEW ZEALAND Open142♣♣2-2+6
+1.3Round 1NORWAY Seniors33♥♦K=+0
+1.3Round 11SEOUL MIXED163♥♣9=+0
+1.3Round 12ONE ESSENTIAL OF RED284♥♦J+2-11
+1.2Round 2YUNNAN182♥♥3-1+4
+1.2Round 2YUNNAN192♦♦10+2+0
+1.2Round 6POLAND Seniors281NT♦4+1-1
+1.1Round 3CHINA XHJT264♥♠K+2+13
+0.9Round 6POLAND Seniors223♥♦Q=+0
+0.8Round 1NORWAY Seniors101NT♥3=+1
+0.8Round 2YUNNAN114♥x♣A-2-3
+0.8Round 7BBC THAILAND53♥♥8-1-1
+0.8Round 11SEOUL MIXED113♦♠4+2-2
+0.5Round 1NORWAY Seniors71NT♥5=+1
+0.5Round 8IRELAND153NT♠9=+1
+0.5Round 9JILIN BA263NT♥9+2-12
+0.5Round 15NAMO KK253NT♣3+1+0
+0.4Round 12ONE ESSENTIAL OF RED243♥♣3+1+7
+0.3Round 2YUNNAN173♠♠6=-7
+0.3Round 3CHINA XHJT245♦♥3=+2
+0.3Round 6POLAND Seniors213NT♥J-3+6
+0.2Round 7BBC THAILAND13♥♦K-1-2
+0.2Round 15NAMO KK243NT♠A+2+0
+0.1Round 13JXBA93NT♠6+1-1
-0.0Round 5NEW ZEALAND Open121NT♦6-1-2
+0.0Round 8IRELAND114♠♥A+1+0
-0.2Round 5NEW ZEALAND Open111NT♥9+2+0
-0.3Round 4WUHAN JIANG AN AREA14♥♠K+1+0
-0.4Round 4WUHAN JIANG AN AREA54♠♦J+1-1
-0.4Round 5NEW ZEALAND Open202♠♣2+1+0
-0.5Round 11SEOUL MIXED144♣♦Q+1+1
-0.6Round 1NORWAY Seniors13♠♣4+1-6
-0.6Round 2YUNNAN131NT♠J=+1
-0.6Round 4WUHAN JIANG AN AREA34♥♠K+2-11
-0.6Round 5NEW ZEALAND Open161NT♠Q=-7
-0.6Round 6POLAND Seniors232♣♥5+1+1
-0.7Round 14HIIMOTOR143♣♥Q-2+0
-0.8Round 12ONE ESSENTIAL OF RED291♠♣7+3-1
-0.8Round 14HIIMOTOR174♠♥3=+1
-0.9Round 7BBC THAILAND22♠♣A-1+1
-1.1Round 2YUNNAN143♥♦A-1+4
-1.2Round 11SEOUL MIXED173♥♠2-1-8
-1.4Round 11SEOUL MIXED124♥♣K=+0
-1.4Round 12ONE ESSENTIAL OF RED302NT♦J-1-5
-1.5Round 1NORWAY Seniors22♦♠4+2+0
-1.5Round 14HIIMOTOR123NT♥10+2-1
-1.6Round 5NEW ZEALAND Open152♥♠K=-5
-1.7Round 5NEW ZEALAND Open183NT♠6-1-6
-1.7Round 8IRELAND185♦♣5=+2
-1.7Round 9JILIN BA254♥♦3+2-11
-1.8Round 7BBC THAILAND32♠♠2+1-1
-1.9Round 9JILIN BA243♦♣A-2-5
-2.0Round 3CHINA XHJT304♠x♣2-3-2
-2.2Round 4WUHAN JIANG AN AREA82♥♦K=+0
-2.2Round 6POLAND Seniors243♣♥Q-3-1
-2.4Round 14HIIMOTOR192♠♣A-1-4
-2.6Round 12ONE ESSENTIAL OF RED256♥♠7=+11
-2.7Round 3CHINA XHJT214♥♠K=+1
-2.7Round 9JILIN BA282♥♦4=-1
-3.3Round 2YUNNAN154♥♦10=-6
-3.3Round 7BBC THAILAND45♦♠K+1-3
-3.4Round 8IRELAND201NT♥2=+1
-3.5Round 8IRELAND165♦♥5-2-7
-3.5Round 13JXBA14♥♦Q=+0
-3.5Round 13JXBA32♠♥5=-11
-3.5Round 14HIIMOTOR133♠♥3-1-5
-3.7Round 2YUNNAN122♥♣A=-12
-3.7Round 13JXBA63♠♦10-3+3
-3.8Round 1NORWAY Seniors62♠♦A=-11
-3.9Round 4WUHAN JIANG AN AREA92♠♦J-1+1
-3.9Round 12ONE ESSENTIAL OF RED226♥♦A=+0
-4.1Round 15NAMO KK233♥♥3-1-5
-4.2Round 1NORWAY Seniors54♠♣10=+0
-4.4Round 5NEW ZEALAND Open174♠♣5-1-5
-4.4Round 9JILIN BA234♠♦3=-14
-4.5Round 14HIIMOTOR154♠♥4=-11
-4.5Round 14HIIMOTOR203♥♦A+1-7
-4.6Round 7BBC THAILAND65♦x♥2+1-6
-4.7Round 11SEOUL MIXED193NT♥9+1-1
-4.8Round 9JILIN BA223NT♥A-2-6
-4.9Round 7BBC THAILAND72♦♥7-1-5
-5.0Round 5NEW ZEALAND Open133NT♦6+1+0
-5.0Round 5NEW ZEALAND Open194♠♦3-2-6
-5.2Round 3CHINA XHJT294♠♥5=-10
-5.9Round 13JXBA86NT♦9=-2
-5.9Round 15NAMO KK223NT♠6=+0
-6.0Round 4WUHAN JIANG AN AREA74♠♣K-1-6
-6.4Round 2YUNNAN164♦♠10-1-5
-6.5Round 15NAMO KK274♥♠K=-8
-7.1Round 15NAMO KK294♥♠K+1-4
-7.3Round 11SEOUL MIXED134♥♦4-1-6
-7.7Round 2YUNNAN204♠♥A-2-12
-7.7Round 3CHINA XHJT274♥♠2-1-8
-8.0Round 8IRELAND142♠x♦Q-4-8
-9.7Round 7BBC THAILAND105♦x♠Q-2-12
-10.2Round 14HIIMOTOR185♠♦A-1-12
-10.4Round 7BBC THAILAND84♠♦6-2-14