DUAN Yi · BRIDGEFRIENDS

590rank
-81.0Butler · 110 bds
-0.74per board
±4.3swing
-0.85vs par /bd · #511/567
-0.74adjusted /bd
Butler per round: -17.5 -8.4 16.6 -3.6 -4.4 -19.8 -21.9 4.4 -17.4 25.2 -34.2by round

vs par split: bidding -0.16 · play -0.68

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.74/bd

Card play — on target: opening leads 88.0% #75 of 567 · declarer play 77.4% #261 of 567 · defence 76.8% #491 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)89.5% (19)
Declarer play66.7% (9)81.8% (22)
Defence71.4% (14)78.6% (42)

Opening leads by suit led: ♠ 87.5% (8) · ♥ 75.0% (4) · ♦ 100.0% (7) · ♣ 83.3% (6)

vs par by strain: NT -1.08 (26) · a suit -0.77 (84)

vs par by level: part-score -0.51 (53) · game -1.08 (51) · slam -1.83 (6)

By role: declaring -0.87/bd (-3.35 vs par · 54) · defending -0.61/bd (+1.57 vs par · 56)

By vulnerability: vulnerable -1.00/bd (-0.80 vs par · 55) · not vulnerable -0.47/bd (-0.89 vs par · 55)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.WangJ.Peng – K.WangClosed10-17.5-1.75-2.40
Round 2Y.WangA.Riamsree – V.SvangsopakulClosed10-8.4-0.84-2.50
Round 3J.ZhangS.Rungsathit – P.SuriyaOpen10+16.6+1.66+2.70
Round 4Y.WangX.Zhang – Z.ZhuOpen10-3.6-0.36+0.10
Round 5Y.WangL.Chen – H.SoClosed10-4.4-0.44-0.80
Round 6Y.WangN.Lee – L.LamClosed10-19.8-1.98-0.40
Round 7Y.WangL.Deas – J.Seamon-MolsonOpen10-21.9-2.19+0.50
Round 8Y.WangS.Haque – M.AhasanClosed10+4.4+0.44+0.50
Round 9J.ZhangX.Guo – S.CaoOpen10-17.4-1.74-4.60
Round 12Y.WangJ.Zhou – J.GuClosed10+25.2+2.52+2.20
Round 14Y.WangW.Hu – L.LiClosed10-34.2-3.42-4.60

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
+9.7Round 12XINJIANGYILI245♠x♣A=+5
+9.5Round 12XINJIANGYILI294♠♣7=+10
+8.4Round 2BBC THAILAND153♠♦A=+8
+7.7Round 3BANGKOK MIND SPORT284♠♣10-1+11
+7.2Round 2BBC THAILAND193NT♦7-2+8
+7.1Round 9WUHAN JIANG AN AREA214♠x♦A-1+11
+6.1Round 5CHINESE TAIPEI Mixed174♠♣5=+7
+6.1Round 8BANGLADESH193NT♠2=+0
+5.5Round 12XINJIANGYILI234♥♥5-1+6
+4.9Round 9WUHAN JIANG AN AREA274♠♥A-1+10
+4.9Round 12XINJIANGYILI263♣♦Q-1+6
+4.3Round 3BANGKOK MIND SPORT253♦♦8+1+1
+4.1Round 3BANGKOK MIND SPORT233NT♣2-2+7
+3.8Round 3BANGKOK MIND SPORT212♥♠K+1+7
+3.4Round 8BANGLADESH201NT♥2=-1
+3.3Round 7LEWIS13♦x♥A-1+5
+3.3Round 7LEWIS45♦♠K+1+3
+3.2Round 4ZJJDWUHANYUAN43♥♠J=+11
+3.1Round 1HENGZHOU FINANCE84♠♥4-1+10
+2.8Round 7LEWIS53NT♥A-1+5
+2.7Round 3BANGKOK MIND SPORT274♥♠6=+3
+2.6Round 12XINJIANGYILI256♥♣A=-11
+2.4Round 12XINJIANGYILI226♣♦J=-2
+2.3Round 9WUHAN JIANG AN AREA242♠♣K-1-1
+2.2Round 1HENGZHOU FINANCE53♣♣4+2+7
+1.7Round 4ZJJDWUHANYUAN82♠♦K-1+4
+1.7Round 5CHINESE TAIPEI Mixed122♠♠2=+0
+1.7Round 8BANGLADESH185♦♣5=-2
+1.4Round 1HENGZHOU FINANCE92♦♣A+1-3
+1.4Round 5CHINESE TAIPEI Mixed143♠♣8-2+6
+1.4Round 12XINJIANGYILI302NT♠10-1+5
+1.4Round 14WARHORSE132♠♦6=+0
+1.3Round 1HENGZHOU FINANCE32♥♦K+1+0
+1.3Round 4ZJJDWUHANYUAN25♣x♥K-1+0
+1.2Round 7LEWIS31NT♥9+1+0
+1.1Round 3BANGKOK MIND SPORT265♥♠K+1+13
+1.0Round 2BBC THAILAND123♥♣A-2-9
+1.0Round 8BANGLADESH164♦♥Q-1+5
+1.0Round 12XINJIANGYILI211NT♣3-1+0
+0.9Round 6KONG HAN223♥♦Q=+0
+0.8Round 6KONG HAN253NT♠4-1+5
+0.6Round 5CHINESE TAIPEI Mixed202♥♠6=+1
+0.4Round 5CHINESE TAIPEI Mixed193♠♦3=+0
+0.4Round 7LEWIS72♦♥7=+1
+0.3Round 8BANGLADESH133♦♠A+1+0
-0.0Round 8BANGLADESH114♠♥A+1+0
+0.0Round 8BANGLADESH143NT♠5+2+0
-0.0Round 14WARHORSE182♠x♣K-3+0
-0.1Round 3BANGKOK MIND SPORT223NT♠Q-1-5
-0.2Round 5CHINESE TAIPEI Mixed112♠♦6+1+0
-0.2Round 6KONG HAN302♥♠5+2+6
-0.3Round 1HENGZHOU FINANCE73♦♠2=+0
-0.3Round 3BANGKOK MIND SPORT304♥♠A+1+0
-0.3Round 4ZJJDWUHANYUAN14♥♠K+1+0
-0.4Round 4ZJJDWUHANYUAN54♠♥A+1-1
-0.4Round 4ZJJDWUHANYUAN92♥♠A-1+5
-0.5Round 8BANGLADESH153NT♠9=-1
-0.5Round 14WARHORSE141NT♣10=+1
-0.6Round 2BBC THAILAND131NT♦K=+1
-0.6Round 4ZJJDWUHANYUAN34♥♠K+2-11
-0.6Round 14WARHORSE124♠♣6=+0
-0.7Round 4ZJJDWUHANYUAN72♠♣K+1+0
-0.7Round 9WUHAN JIANG AN AREA254♥♦8+3-10
-0.8Round 4ZJJDWUHANYUAN62♠♦A=+0
-0.8Round 14WARHORSE173NT♥J+1+1
-0.9Round 6KONG HAN243♦♣6=+0
-1.1Round 2BBC THAILAND143♥♦A-1+4
-1.3Round 6KONG HAN213NT♥J-2+5
-1.5Round 3BANGKOK MIND SPORT243NT♥K+2+0
-1.6Round 5CHINESE TAIPEI Mixed152♥♠A=-5
-1.6Round 6KONG HAN232♥♣4+1+0
-1.7Round 12XINJIANGYILI271♦x♣2-2+3
-1.8Round 2BBC THAILAND173♥♠K-1-9
-1.8Round 9WUHAN JIANG AN AREA304♠♦Q-1-10
-1.9Round 8BANGLADESH174♥♣5-1+2
-2.0Round 6KONG HAN275♠♥A-1-8
-2.6Round 7LEWIS23♣♠Q-1-5
-2.7Round 2BBC THAILAND183♣♦K-1-1
-3.1Round 1HENGZHOU FINANCE23♥♣K-2-2
-3.1Round 14WARHORSE164♠x♥A-1-6
-3.2Round 9WUHAN JIANG AN AREA225♦♣A-1-5
-3.7Round 9WUHAN JIANG AN AREA283♥♦4=-2
-3.8Round 1HENGZHOU FINANCE62♠♦A=-11
-3.8Round 14WARHORSE203♥♦A=-7
-4.1Round 1HENGZHOU FINANCE102♦♣A-3-5
-4.1Round 5CHINESE TAIPEI Mixed162NT♥3-1-10
-4.1Round 6KONG HAN284♠♦7-1-6
-4.1Round 9WUHAN JIANG AN AREA233NT♥9+1-14
-4.3Round 5CHINESE TAIPEI Mixed183NT♥K-2-8
-4.4Round 5CHINESE TAIPEI Mixed133NT♦9=+1
-4.9Round 6KONG HAN263♦♥3-1-6
-4.9Round 7LEWIS93NT♦5+1+12
-5.2Round 3BANGKOK MIND SPORT294♠♥J=-10
-5.7Round 2BBC THAILAND204♠♥A-1-12
-5.7Round 8BANGLADESH126♣♦7=+2
-6.1Round 14WARHORSE155♦x♠K-2-12
-6.2Round 1HENGZHOU FINANCE12NT♥5-1-10
-6.3Round 7LEWIS63NT♠J-1-7
-6.4Round 2BBC THAILAND164♦♣5-1-5
-6.5Round 6KONG HAN296♠♥10=+0
-6.6Round 4ZJJDWUHANYUAN103♣♣5-2-7
-6.7Round 2BBC THAILAND115♦♥5-1-10
-8.0Round 1HENGZHOU FINANCE44♥♦9=-10
-8.0Round 9WUHAN JIANG AN AREA294♠♥A=-10
-9.3Round 7LEWIS86♣♦4=+0
-9.3Round 14WARHORSE113NT♣6-3-11
-9.8Round 7LEWIS104♥x♦4-2-9
-10.1Round 12XINJIANGYILI286♠♥3=+0
-10.2Round 9WUHAN JIANG AN AREA262♦♣5+3-15
-11.4Round 14WARHORSE193NT♠5+1-12