ZHENG Xiangyun · YUNNAN

446rank
-32.3Butler · 150 bds
-0.22per board
±4.3swing
+0.49vs par /bd · #128/567
-0.10adjusted /bd
Butler per round: 25.8 19.3 0 -7.3 -17.4 4.1 4.4 1.5 -6 -21 8 -30.8 12.8 6.1 -31.8by round

vs par split: bidding +0.61 · play -0.13

Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted -0.10/bd

Card play — on target: opening leads 90.6% #41 of 567 · declarer play 78.3% #250 of 567 · defence 83.6% #255 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads88.9% (9)91.3% (23)
Declarer play78.6% (14)78.1% (32)
Defence84.2% (19)83.3% (48)

Opening leads by suit led: ♠ 100.0% (7) · ♥ 100.0% (8) · ♦ 87.5% (8) · ♣ 77.8% (9)

vs par by strain: NT -1.13 (39) · a suit +1.05 (111)

vs par by level: part-score +0.81 (73) · game -0.13 (68) · slam +2.56 (9)

By role: declaring -0.08/bd (-1.01 vs par · 83) · defending -0.38/bd (+2.34 vs par · 67)

By vulnerability: vulnerable -0.65/bd (+0.17 vs par · 75) · not vulnerable +0.22/bd (+0.80 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.MaM.Ahasan – S.HaqueOpen10+25.8+2.58+3.40
Round 2T.MaX.Li – Y.WuClosed10+19.3+1.93+3.60
Round 3T.MaR.Parasian – J.GeorgeOpen10+0.0+0.00-1.10
Round 4T.MaJ.Hurd – K.BathurstOpen10-7.3-0.73-0.80
Round 5T.MaY.Khiuppenen – V.KholomeevOpen10-17.4-1.74-1.50
Round 6T.MaX.Shi – X.GanClosed10+4.1+0.41-0.90
Round 7T.MaY.Huang – R.JiangOpen10+4.4+0.44-2.10
Round 8T.MaJ.Liu – F.ShiClosed10+1.5+0.15+0.10
Round 9T.MaY.Sun – J.YinClosed10-6.0-0.60+3.10
Round 10T.MaY.Tao – Z.TangOpen10-21.0-2.10+0.00
Round 11T.MaD.Wang – M.ShiClosed10+8.0+0.80+1.70
Round 12T.MaJ.Yao – X.ZhuClosed10-30.8-3.08-1.90
Round 13T.MaJ.Wilkinson – S.NewtonOpen10+12.8+1.28+2.70
Round 14T.MaD.Beauchamp – J.TuttyOpen10+6.1+0.61+2.20
Round 15T.MaM.O'Briain – D.O'GormanClosed10-31.8-3.18-1.20

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
+12.5Round 14AUSTRALIA MIXED185♠♣2-3+13
+11.4Round 1BANGLADESH82♥x♣K-4+9
+10.7Round 13PK NZ73♥x♠K-4+10
+10.0Round 1BANGLADESH73NT♠3=+10
+7.7Round 2FUJIAN BOSSSOFT204♠♥A-2+12
+7.6Round 7CHANG HONG53NT♠Q+1+7
+7.5Round 8GUIZHOU ZHENGYE183♦♣3+2+11
+7.3Round 11JINSHUO133♥♣8-1+6
+6.5Round 6NANGANG POWER296♠♦J=+0
+6.4Round 2FUJIAN BOSSSOFT164♦♠10-1+5
+6.2Round 12MINGXIN GROUP274♠♥J+3+3
+6.2Round 13PK NZ33NT♦2+1+0
+5.3Round 11JINSHUO146♣♦5-1+5
+5.2Round 3INDONESIA Open294♠♥5=+10
+5.2Round 15IRELAND272♠♣K+1+6
+5.1Round 11JINSHUO114♥♣A=+8
+4.9Round 1BANGLADESH54♠♠8+1+1
+4.8Round 9REIGNWOOD214♥♠J+1+1
+4.7Round 4MILLENS91♥♠K=+0
+4.5Round 7CHANG HONG63♥♦4-2+5
+4.3Round 13PK NZ54♥♦A=+11
+4.2Round 1BANGLADESH92♥♦A+1+8
+4.1Round 6NANGANG POWER284♠♥K-1+6
+3.8Round 1BANGLADESH62♠♦8=+11
+3.7Round 2FUJIAN BOSSSOFT122♥♣A=+12
+3.7Round 8GUIZHOU ZHENGYE163♦♥3=+0
+3.6Round 8GUIZHOU ZHENGYE203NT♥2-2+7
+3.5Round 14AUSTRALIA MIXED133♠♦6-1+5
+3.3Round 2FUJIAN BOSSSOFT154♥♦10=+6
+3.3Round 9REIGNWOOD305♠♦A-2+11
+3.2Round 13PK NZ23♦♥K-1+12
+3.1Round 7CHANG HONG104♦♠Q=+0
+2.7Round 3INDONESIA Open214♥♠K=-1
+2.5Round 5RUSSIA Open143NT♥6-1-3
+2.3Round 14AUSTRALIA MIXED201NT♦2=+6
+2.2Round 13PK NZ12♥♦Q+2+6
+2.0Round 3INDONESIA Open284♠♥Q=-1
+2.0Round 15IRELAND211NT♣4+1-1
+1.9Round 9REIGNWOOD243♥♦5-2+5
+1.8Round 6NANGANG POWER243♦♣9+1+1
+1.8Round 13PK NZ42♥♦2+1+1
+1.7Round 9REIGNWOOD255♥♣2+1+11
+1.6Round 5RUSSIA Open152♥♠A=+5
+1.6Round 6NANGANG POWER232♥♣4+1+0
+1.5Round 14AUSTRALIA MIXED124♥♠2+1+1
+1.3Round 5RUSSIA Open202♠♥3+2+1
+1.2Round 11JINSHUO172♥♠3-1+8
+1.2Round 12MINGXIN GROUP232♥♥5+2+1
+1.1Round 2FUJIAN BOSSSOFT143♥♦A-1-4
+1.1Round 13PK NZ95♦♠2=+0
+0.9Round 4MILLENS62♥♠7-1+0
+0.8Round 11JINSHUO183♠♥A=+1
+0.8Round 14AUSTRALIA MIXED174♠♥2=-1
+0.7Round 14AUSTRALIA MIXED142♠♦A-2+0
+0.6Round 1BANGLADESH13♠♣6+1+6
+0.6Round 2FUJIAN BOSSSOFT131NT♠J=-1
+0.6Round 4MILLENS34♥♠K+2+11
+0.6Round 11JINSHUO123NT♣5=-1
+0.5Round 8GUIZHOU ZHENGYE153NT♦J=+1
+0.5Round 11JINSHUO201NT♠2-1+0
+0.5Round 15IRELAND253NT♣4+1+0
+0.4Round 4MILLENS54♠♥K+1+1
+0.4Round 6NANGANG POWER262♦♥3=+1
+0.3Round 3INDONESIA Open304♥♦2+1+0
+0.3Round 4MILLENS14♥♠Q+1+0
+0.2Round 5RUSSIA Open112♠♦6+1+0
+0.2Round 7CHANG HONG13♥♣9-1-2
+0.2Round 15IRELAND243NT♦3+2+0
+0.1Round 3INDONESIA Open223NT♥10-1+5
+0.1Round 5RUSSIA Open163♣♠Q=+7
+0.1Round 5RUSSIA Open173♣♥2+1+0
-0.0Round 1BANGLADESH101NT♥3+1+0
+0.0Round 5RUSSIA Open121NT♠10-1+2
+0.0Round 8GUIZHOU ZHENGYE114♠♥A+1+0
-0.0Round 8GUIZHOU ZHENGYE143NT♠J+2+0
+0.0Round 10JSQX NJZS BRIDGECLUB86NT♣6=+11
-0.1Round 4MILLENS73♠♣K+1-1
-0.2Round 10JSQX NJZS BRIDGECLUB33♣♦10+2+6
-0.3Round 2FUJIAN BOSSSOFT173♠♠6=+7
-0.3Round 3INDONESIA Open245♦♥6=-2
-0.3Round 6NANGANG POWER213NT♥J-3-6
-0.3Round 8GUIZHOU ZHENGYE133♦♠A+1+0
-0.3Round 9REIGNWOOD272♠♥A+1-7
-0.4Round 6NANGANG POWER275♥♠6-1+6
-0.4Round 7CHANG HONG72♦♦4=-1
-0.5Round 9REIGNWOOD263NT♥9+2+12
-0.6Round 7CHANG HONG85♣♦Q+1-11
-0.8Round 2FUJIAN BOSSSOFT114♥x♣A-2+3
-0.9Round 6NANGANG POWER222♥♦Q+1+0
-1.0Round 10JSQX NJZS BRIDGECLUB43♠♥5-1+1
-1.0Round 12MINGXIN GROUP212♠♦A=+0
-1.2Round 2FUJIAN BOSSSOFT182♥♥3-1-4
-1.2Round 2FUJIAN BOSSSOFT192♦♦10+2+0
-1.2Round 7CHANG HONG31NT♥7+1+0
-1.2Round 9REIGNWOOD283♥♦4-1-4
-1.2Round 13PK NZ63♥♥2+2+6
-1.3Round 1BANGLADESH33♥♦K=+0
-1.3Round 4MILLENS26♣x♥A-1+0
-1.5Round 10JSQX NJZS BRIDGECLUB91NT♥K=-5
-1.5Round 13PK NZ103♥♠7-1-6
-1.6Round 4MILLENS101NT♠4+1-1
-1.6Round 9REIGNWOOD292♠♣4+2+1
-1.7Round 4MILLENS82♠♦2-1-4
-1.8Round 3INDONESIA Open233♣♠J=-6
-1.9Round 10JSQX NJZS BRIDGECLUB53♦♠K-1+2
-1.9Round 14AUSTRALIA MIXED113NT♣2=+1
-2.0Round 3INDONESIA Open264♥♠K+1-13
-2.1Round 10JSQX NJZS BRIDGECLUB11NT♦10-1+1
-2.2Round 11JINSHUO163♥♣9+1-1
-2.2Round 14AUSTRALIA MIXED164♥♠2-1+1
-2.3Round 7CHANG HONG91NT♦8+5-15
-2.4Round 12MINGXIN GROUP226♣♦J=+2
-2.5Round 7CHANG HONG22♠♣A-2+0
-2.5Round 12MINGXIN GROUP302♦♦K=-6
-2.6Round 14AUSTRALIA MIXED155♦♠K-1+5
-2.7Round 3INDONESIA Open274♥♠2=-3
-2.7Round 10JSQX NJZS BRIDGECLUB24♠♣A=-3
-2.9Round 8GUIZHOU ZHENGYE173♥♦6=-6
-3.1Round 1BANGLADESH23NT♥2-1-5
-3.1Round 10JSQX NJZS BRIDGECLUB73NT♦8=+0
-3.3Round 6NANGANG POWER253NT♠6-2-7
-3.4Round 12MINGXIN GROUP256♠♦3+1+11
-3.5Round 3INDONESIA Open254♥♦A-1+0
-3.7Round 10JSQX NJZS BRIDGECLUB103♠♥10-1-5
-4.0Round 7CHANG HONG45♦♣9+2-4
-4.0Round 8GUIZHOU ZHENGYE123NT♦3+2-11
-4.1Round 15IRELAND232♠♥Q-1-5
-4.7Round 1BANGLADESH43NT♦9-1-6
-4.8Round 10JSQX NJZS BRIDGECLUB64♠♣10-2-8
-4.9Round 12MINGXIN GROUP264♥♣3-1-6
-5.1Round 11JINSHUO154♠♦5=+1
-5.4Round 6NANGANG POWER304♥♣K-1-10
-5.5Round 11JINSHUO193♣♦3=-10
-5.9Round 12MINGXIN GROUP244♠♣A+1+0
-5.9Round 15IRELAND223NT♠2=+0
-6.2Round 5RUSSIA Open194♠♥2=-7
-6.3Round 15IRELAND294♥♠9=-3
-6.4Round 9REIGNWOOD223NT♠7=-7
-6.6Round 8GUIZHOU ZHENGYE193NT♠2+1-1
-7.1Round 5RUSSIA Open133NT♣6-1-12
-7.1Round 15IRELAND303NT♠7=-6
-7.7Round 9REIGNWOOD236♦♥9=+8
-8.1Round 15IRELAND265♦x♥10=-3
-8.2Round 15IRELAND286NT♦4=+0
-8.5Round 14AUSTRALIA MIXED193NT♥2-5-9
-9.0Round 12MINGXIN GROUP293NT♣6=-10
-9.1Round 12MINGXIN GROUP286♥♣3-2-14
-9.5Round 4MILLENS44♥♠J-3-14
-9.9Round 5RUSSIA Open182♠x♣K-3-8
-14.0Round 13PK NZ83♥x♥2-7-13