JIANG Qiubo · BEIJINGXUGUANG

616rank
-109.1Butler · 110 bds
-0.99per board
±4.4swing
-0.59vs par /bd · #462/567
-0.88adjusted /bd
Butler per round: 11.6 -21.1 16.5 -1.8 -26.4 2.4 -7.4 -17.2 -26.2 0.8 -40.3by round

vs par split: bidding +0.00 · play -0.59

Strength of schedule: opponents averaged +0.11/bd (a tough draw) → opponent-adjusted -0.88/bd

Card play — on target: opening leads 88.5% #69 of 567 · declarer play 57.7% #558 of 567 · defence 75.4% #518 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (9)82.4% (17)
Declarer play55.6% (9)58.8% (17)
Defence76.2% (21)75.0% (40)

Opening leads by suit led: ♠ 88.9% (9) · ♥ 85.7% (7) · ♦ 80.0% (5) · ♣ 100.0% (5)

vs par by strain: NT -0.38 (37) · a suit -0.70 (73)

vs par by level: part-score -0.12 (50) · game -1.29 (56) · slam +3.25 (4)

By role: declaring -1.88/bd (-3.51 vs par · 49) · defending -0.28/bd (+1.75 vs par · 61)

By vulnerability: vulnerable -0.71/bd (-0.09 vs par · 55) · not vulnerable -1.27/bd (-1.09 vs par · 55)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.LongL.Thuillez – J.MourguesOpen10+11.6+1.16+1.80
Round 2X.ZouJ.Liu – Y.CaiClosed10-21.1-2.11-0.40
Round 3X.ZouX.Zhang – Z.ZhuOpen10+16.5+1.65+2.80
Round 5X.ZouW.Wang – Y.ZhengClosed10-1.8-0.18+0.40
Round 6X.ZouA.Wildavsky – K.RosenbergClosed10-26.4-2.64-1.20
Round 7X.ZouS.Shao – Y.WuClosed10+2.4+0.24-2.70
Round 9J.LongJ.Li – J.HuClosed10-7.4-0.74+3.00
Round 10J.LongS.Kang – S.LeeOpen10-17.2-1.72+0.40
Round 11J.LongT.Chodchoy – T.JitngamkusolOpen10-26.2-2.62-2.30
Round 13X.ZouM.Zonca – F.TiscorniaClosed10+0.8+0.08-1.80
Round 15X.ZouJ.Zhao – F.YangClosed10-40.3-4.03-6.50

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
+9.1Round 13ANIT NEGRA104♥x♠5-2+12
+8.4Round 11BBC THAILAND183♥♣J-5+9
+8.2Round 7SHANGHAI GUHUA72♣x♠3-2+9
+7.8Round 1PSG104♥x♠A-2+9
+7.5Round 3ZJJDWUHANYUAN213NT♦3-1+11
+6.8Round 10SEOUL OPEN22♠♥A+2+8
+6.8Round 13ANIT NEGRA33NT♠5-1+12
+6.2Round 9JSQX NJZS BRIDGECLUB274♠♥A=+0
+5.7Round 2WUHAN DONGFANG204♠♦2-1+12
+5.5Round 6SIVY A253NT♥2-3+9
+5.0Round 5ASYMCHEM134♠♣Q=+0
+4.9Round 1PSG53NT♥8+2+1
+4.8Round 9JSQX NJZS BRIDGECLUB223NT♣9-2+6
+4.4Round 5ASYMCHEM174♠♦A-1+5
+4.2Round 7SHANGHAI GUHUA93NT♠2=-13
+4.1Round 15CCSA231NT♠K=+5
+3.8Round 1PSG62♠♦A=+11
+3.7Round 3ZJJDWUHANYUAN293♠♥A+1-1
+3.6Round 1PSG34♥♦K-1+5
+3.1Round 2WUHAN DONGFANG163♦♠3=+0
+2.9Round 3ZJJDWUHANYUAN282♥♠Q+3+6
+2.8Round 13ANIT NEGRA22♥♠8-3-8
+2.7Round 3ZJJDWUHANYUAN273NT♠5+1+4
+2.7Round 9JSQX NJZS BRIDGECLUB283♣♥A-1+0
+2.6Round 7SHANGHAI GUHUA22NT♠Q-1+5
+2.5Round 5ASYMCHEM141NT♠3-1-3
+2.5Round 7SHANGHAI GUHUA63♥♦6-3+3
+2.2Round 7SHANGHAI GUHUA104♥♦3-1-1
+1.7Round 3ZJJDWUHANYUAN232NT♣2-1+5
+1.6Round 5ASYMCHEM152♥♠A=+5
+1.5Round 1PSG23♦♠2+1+0
+1.4Round 11BBC THAILAND124♥♦J=+0
+1.3Round 10SEOUL OPEN102♠♣Q=+0
+1.1Round 3ZJJDWUHANYUAN264♥♠K+2+13
+0.7Round 9JSQX NJZS BRIDGECLUB254♥♥5+3+10
+0.6Round 1PSG13♠♥7+1+6
+0.5Round 9JSQX NJZS BRIDGECLUB263NT♥2+1+12
+0.3Round 2WUHAN DONGFANG123♥♦2-1+10
+0.2Round 5ASYMCHEM112♠♠4+1+0
+0.2Round 7SHANGHAI GUHUA13♥♥3-1-2
+0.0Round 5ASYMCHEM121NT♦5-1+2
+0.0Round 10SEOUL OPEN86NT♣6=+11
-0.1Round 3ZJJDWUHANYUAN223NT♣Q-1-5
-0.1Round 13ANIT NEGRA93NT♠6+1+1
-0.2Round 13ANIT NEGRA73NT♣5=+2
-0.2Round 15CCSA243NT♠6+2+0
-0.3Round 3ZJJDWUHANYUAN304♥♠A+1+0
-0.5Round 15CCSA253NT♣6+1+0
-0.6Round 3ZJJDWUHANYUAN245♦♥2+1+1
-0.6Round 5ASYMCHEM163♣♥K+1+7
-0.6Round 6SIVY A232♥♦A=+1
-0.6Round 9JSQX NJZS BRIDGECLUB291NT♠6-2+2
-0.6Round 11BBC THAILAND172♠♥K=+7
-0.8Round 2WUHAN DONGFANG114♥x♣K-2+3
-1.0Round 1PSG42♠♣9=-1
-1.1Round 13ANIT NEGRA42♥♣8=+0
-1.3Round 6SIVY A213NT♥J-2+5
-1.3Round 7SHANGHAI GUHUA83NT♦Q=-11
-1.3Round 11BBC THAILAND163♥♦A=+0
-1.4Round 1PSG93♥♦Q-1+3
-1.8Round 6SIVY A242♦♣7+2-1
-2.0Round 6SIVY A275♠♥A-1-8
-2.0Round 10SEOUL OPEN44♦♠2=+0
-2.1Round 3ZJJDWUHANYUAN253♥♦A=-6
-2.1Round 9JSQX NJZS BRIDGECLUB213♠♦A=-7
-2.1Round 10SEOUL OPEN11NT♦10-1+1
-2.1Round 10SEOUL OPEN91NT♥A+1-5
-2.2Round 13ANIT NEGRA12♥♦Q+2-6
-2.4Round 10SEOUL OPEN64♠♣10-1-6
-2.7Round 2WUHAN DONGFANG183♥♠A-2-5
-3.1Round 1PSG84♠♥4-1-10
-3.1Round 10SEOUL OPEN73NT♠2=+0
-3.3Round 2WUHAN DONGFANG154♦♠2=-2
-3.3Round 7SHANGHAI GUHUA45♦♠3+1-3
-3.3Round 15CCSA221♥♠7+1-10
-3.3Round 15CCSA283NT♥J+2-11
-3.5Round 9JSQX NJZS BRIDGECLUB242♠♥10-2+0
-3.6Round 5ASYMCHEM182NT♠4=+1
-4.1Round 6SIVY A283NT♣5-1-6
-4.3Round 13ANIT NEGRA54♥♠7=-11
-4.4Round 2WUHAN DONGFANG131NT♦K-1-5
-4.4Round 15CCSA306♣♦A-2-6
-4.9Round 6SIVY A262♦♥5-1-6
-4.9Round 13ANIT NEGRA64♥♣6-1-10
-5.0Round 11BBC THAILAND193♠♣J=-10
-5.1Round 1PSG72♠♦A=-6
-5.1Round 5ASYMCHEM204♠♣2-1-6
-5.1Round 11BBC THAILAND115♦♣5-1-4
-5.1Round 11BBC THAILAND154♠♦8=+1
-5.1Round 13ANIT NEGRA83NT♠7+2-10
-5.2Round 2WUHAN DONGFANG193NT♦2-1-6
-5.2Round 6SIVY A221NT♠6-2-6
-5.2Round 11BBC THAILAND133NT♣J+1-10
-5.2Round 11BBC THAILAND145♣♦Q=-7
-5.2Round 15CCSA273♠♥3=-6
-5.4Round 7SHANGHAI GUHUA52♠♣4+2-7
-5.5Round 6SIVY A303NT♠4=+0
-6.0Round 10SEOUL OPEN33NT♥K=+0
-6.2Round 5ASYMCHEM194♠♦5=-7
-6.3Round 2WUHAN DONGFANG174♠♥A=+0
-6.3Round 15CCSA294♥♠K-1-12
-6.5Round 6SIVY A296♠♦J=+0
-7.5Round 2WUHAN DONGFANG143NT♥2=-11
-7.5Round 7SHANGHAI GUHUA33NT♣A=-7
-7.6Round 10SEOUL OPEN54♥x♣3-2-5
-7.7Round 9JSQX NJZS BRIDGECLUB236♦♥9=+8
-8.4Round 9JSQX NJZS BRIDGECLUB304♠♦Q+1-1
-8.5Round 11BBC THAILAND202♣x♠2-2-9
-8.5Round 15CCSA265♦x♠6-1-13
-12.7Round 15CCSA215♦x♥A-4-12