YU Hongwen · METALLURGY FED

544rank
-67.6Butler · 140 bds
-0.48per board
±3.9swing
-0.75vs par /bd · #493/567
-0.63adjusted /bd
Butler per round: -5.6 -12.4 -4.1 -0.4 -16 15.4 -0.2 -22.6 -17.2 -1.3 21.3 -21.1 4.9 -8.3by round

vs par split: bidding -0.57 · play -0.21

Strength of schedule: opponents averaged -0.15/bd (an easy draw) → opponent-adjusted -0.63/bd

Card play — on target: opening leads 71.0% #501 of 567 · declarer play 86.7% #67 of 567 · defence 76.6% #494 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (14)70.6% (17)
Declarer play81.8% (11)89.5% (19)
Defence84.0% (25)73.1% (52)

Opening leads by suit led: ♠ 88.9% (9) · ♥ 100.0% (4) · ♦ 72.7% (11) · ♣ 28.6% (7)

vs par by strain: NT +0.38 (42) · a suit -1.28 (97)

vs par by level: part-score -1.33 (66) · game -0.28 (67) · slam -0.17 (6)

By role: declaring -0.51/bd (-2.79 vs par · 63) · defending -0.46/bd (+0.92 vs par · 77)

By vulnerability: vulnerable -0.64/bd (-0.66 vs par · 70) · not vulnerable -0.32/bd (-0.84 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.ZhangS.Humphries – D.HumphriesClosed10-5.6-0.56-1.10
Round 2Y.ZhangL.Deas – J.Seamon-MolsonClosed10-12.4-1.24-3.10
Round 3Y.ZhangK.Limsinsopon – P.SitthicharoensawatOpen10-4.1-0.41+0.70
Round 4Y.ZhangM.Kwiecien – W.StarkowskiClosed10-0.4-0.04+0.40
Round 5Y.ZhangN.Kokten – M.InceClosed10-16.0-1.60-1.90
Round 6Y.ZhangP.Batra – S.GuptaClosed10+15.4+1.54+3.20
Round 7Y.ZhangS.Ji – G.ChaiOpen10-0.2-0.02+3.10
Round 8Y.ZhangJ.Lu – Y.HeClosed10-22.6-2.26-2.30
Round 9Y.ZhangR.Hinds – D.BlackmanClosed10-17.2-1.72-5.40
Round 10Y.ZhangA.Zets – G.MundellClosed10-1.3-0.13-2.30
Round 12Y.ZhangJ.Liang – Y.GuanOpen10+21.3+2.13+1.30
Round 13Y.ZhangV.Desai – K.SamantClosed10-21.1-2.11-3.90
Round 14Y.ZhangY.Jiang – J.GanClosed10+4.9+0.49-0.70
Round 15Y.ZhangM.Oh – R.HeOpen10-8.3-0.83+1.50

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
+9.4Round 10OZ ANGELS44♠x♥5-2+8
+9.4Round 15ENSEMBLE215♦x♥A-3+8
+9.2Round 2LEWIS174♠x♠3=+5
+8.5Round 12YENOVA286♥♦J-1+14
+6.9Round 10OZ ANGELS63NT♦8-3+10
+6.8Round 14UICC WUHAN193NT♥5-4+7
+6.3Round 4POLAND Seniors26♥x♣K-1+7
+6.2Round 5TURKEY Seniors194♠♣A=+7
+5.9Round 12YENOVA244♠♣A+1+0
+5.6Round 12YENOVA274♠♣K-1+10
+5.0Round 6INDIA Women294♠♦K+2+13
+4.9Round 7ITS MAGIC72♦♦3-1+5
+3.7Round 13NAMO KK42♠♣5=+6
+3.6Round 3THAILAND Mixed232♣x♠J=+7
+3.6Round 5TURKEY Seniors182NT♠6=-1
+3.5Round 13NAMO KK14♥♦Q=+0
+3.4Round 8DONGFENG AUTO CO LTD201NT♥2=-1
+3.3Round 2LEWIS115♦♥6=-1
+3.3Round 6INDIA Women253NT♠4-2+7
+3.1Round 1GINNAN23NT♠3-1+5
+3.1Round 1GINNAN84♠♥3-1+10
+2.9Round 8DONGFENG AUTO CO LTD173♥♦3=+6
+2.8Round 3THAILAND Mixed213♥♥6+2+6
+2.8Round 15ENSEMBLE303NT♦4-1+5
+2.7Round 3THAILAND Mixed273NT♣8+1+4
+2.7Round 7ITS MAGIC45♦♣4=+3
+2.7Round 14UICC WUHAN183NT♣8+1+4
+2.5Round 14UICC WUHAN203♦♥6=-1
+2.5Round 15ENSEMBLE283NT♣5+3+11
+2.4Round 9CARIBBEAN PIRATES263NT♠7+4-12
+2.4Round 12YENOVA226♣♦5=-2
+2.3Round 1GINNAN92♦♦3+2-2
+2.3Round 2LEWIS182♣♥6=+5
+2.1Round 10OZ ANGELS11NT♦9-1-1
+2.0Round 4POLAND Seniors63♥♦K-2+3
+1.9Round 14UICC WUHAN113NT♣10=-1
+1.7Round 6INDIA Women213NT♥4-4+7
+1.6Round 6INDIA Women282♠♠5+1+0
+1.6Round 9CARIBBEAN PIRATES292♠♠5+2-1
+1.6Round 10OZ ANGELS33♥♣A-2-5
+1.6Round 13NAMO KK22♠♦9-2-9
+1.5Round 6INDIA Women275♥x♠6-1-5
+1.5Round 7ITS MAGIC64♥♦5-5+3
+1.4Round 6INDIA Women301NT♠4+1+7
+1.4Round 14UICC WUHAN132♠♦5=+0
+1.1Round 3THAILAND Mixed264♥♠K+2+13
+0.9Round 6INDIA Women222♥♦K+1+0
+0.9Round 7ITS MAGIC22♠♦7-1-1
+0.9Round 12YENOVA256♦♠5=-11
+0.8Round 12YENOVA292♠♣7+2+1
+0.7Round 4POLAND Seniors102♠♣A-1+0
+0.6Round 2LEWIS143♦♥6=+5
+0.6Round 6INDIA Women243♠♦10-1+2
+0.5Round 1GINNAN71NT♥5=+1
+0.5Round 4POLAND Seniors54♠♥A=+0
+0.5Round 8DONGFENG AUTO CO LTD153NT♥4+1+0
+0.5Round 15ENSEMBLE253NT♠5+1+0
+0.4Round 7ITS MAGIC83NT♦6+1+10
+0.3Round 3THAILAND Mixed245♦♥J=+2
+0.3Round 8DONGFENG AUTO CO LTD133♦♠K+1+0
+0.3Round 9CARIBBEAN PIRATES273♠♥A=+7
+0.3Round 12YENOVA263♣♦Q=+1
+0.2Round 15ENSEMBLE243NT♠5+2+0
+0.1Round 1GINNAN43♥♦9=+0
+0.0Round 5TURKEY Seniors173♠♣4=+0
+0.0Round 6INDIA Women263♦♥3=+0
-0.0Round 10OZ ANGELS86NT♣7=-11
-0.0Round 12YENOVA211♠♣7+2-1
-0.1Round 9CARIBBEAN PIRATES243♥♦5-1-4
-0.2Round 7ITS MAGIC14♥♣5-1+2
-0.2Round 13NAMO KK73NT♥K=+2
-0.3Round 3THAILAND Mixed304♥♠A+1+0
-0.3Round 4POLAND Seniors14♥♠K+1+0
-0.3Round 12YENOVA232♥♣4+1+0
-0.4Round 4POLAND Seniors92♥♠A-1+5
-0.4Round 13NAMO KK62♦♥6+2-7
-0.5Round 14UICC WUHAN142♦♥2=+1
-0.6Round 1GINNAN13♠♥3+1-6
-0.6Round 2LEWIS131NT♦K=+1
-0.6Round 4POLAND Seniors34♥♠K+2-11
-0.6Round 6INDIA Women232♥♣5=+1
-0.6Round 14UICC WUHAN124♠♣K=+0
-0.7Round 4POLAND Seniors72♠♣K+1+0
-0.8Round 7ITS MAGIC53♣♥3=+0
-0.9Round 15ENSEMBLE273♥♠K=-1
-1.0Round 8DONGFENG AUTO CO LTD143NT♠J+1-1
-1.1Round 5TURKEY Seniors112♠♣8+2-1
-1.3Round 5TURKEY Seniors202♠♣2+2-1
-1.4Round 10OZ ANGELS9Pass+3
-1.5Round 10OZ ANGELS52♠♦5-1-5
-1.6Round 5TURKEY Seniors152♥♠A=-5
-1.7Round 9CARIBBEAN PIRATES254♥♦2+2-11
-1.7Round 14UICC WUHAN173NT♣4+2+0
-1.8Round 1GINNAN102♥x♣A-1-2
-2.1Round 3THAILAND Mixed223NT♣Q-2-6
-2.2Round 4POLAND Seniors82♠♣10=+0
-2.2Round 7ITS MAGIC104♥♦5-1+1
-2.3Round 10OZ ANGELS102♠♥10+1-1
-2.5Round 5TURKEY Seniors142NT♠K-1+3
-2.7Round 9CARIBBEAN PIRATES282♥♦4=-1
-2.8Round 3THAILAND Mixed253♥♦A+1-7
-2.8Round 12YENOVA302NT♠10=+1
-3.1Round 14UICC WUHAN164♠x♥A-1-6
-3.2Round 7ITS MAGIC33NT♥10-1-5
-3.3Round 9CARIBBEAN PIRATES305♠♦Q-2-11
-3.6Round 1GINNAN34♥♦K-1-5
-3.7Round 2LEWIS122♥♣A=-12
-3.8Round 1GINNAN62♠♦3=-11
-4.1Round 2LEWIS154♥♠5+1-6
-4.1Round 5TURKEY Seniors162♠♠9-1-10
-4.1Round 15ENSEMBLE233♠♦A-1-5
-4.2Round 3THAILAND Mixed283NT♠Q+4-2
-4.2Round 7ITS MAGIC93NT♠2=+13
-4.2Round 9CARIBBEAN PIRATES214♥♠J=+0
-4.3Round 8DONGFENG AUTO CO LTD162NT♥9=-1
-4.4Round 5TURKEY Seniors133NT♦9=+1
-4.5Round 14UICC WUHAN154♠♥5=-11
-4.7Round 9CARIBBEAN PIRATES235♦♥5=-15
-4.8Round 9CARIBBEAN PIRATES223NT♣5-2-6
-4.9Round 1GINNAN54♠♣9+1-1
-5.1Round 13NAMO KK54♥♦A+1-11
-5.2Round 3THAILAND Mixed294♠♥J=-10
-5.2Round 8DONGFENG AUTO CO LTD193NT♥K-2-11
-5.6Round 13NAMO KK33NT♦5=+1
-5.7Round 2LEWIS204♠♣6-1-12
-5.7Round 4POLAND Seniors43NT♠J+2+0
-5.7Round 8DONGFENG AUTO CO LTD126♣♦5=+2
-5.7Round 13NAMO KK91NT♠2+4-5
-5.8Round 10OZ ANGELS72NT♦5+2-9
-5.9Round 15ENSEMBLE223NT♠4=+0
-6.0Round 8DONGFENG AUTO CO LTD115♥♠A-4-6
-6.0Round 13NAMO KK85♦♠A+1-11
-6.3Round 15ENSEMBLE294♥♠10=-3
-6.4Round 2LEWIS164♦♣6-1-5
-6.5Round 15ENSEMBLE263NT♣Q+1+0
-6.9Round 13NAMO KK103♠♥4-3-5
-7.3Round 2LEWIS193NT♦9+1-11
-7.5Round 8DONGFENG AUTO CO LTD183♦♣5+2-11
-10.3Round 10OZ ANGELS23♣♦A=-12
-10.8Round 5TURKEY Seniors124♦x♦K-2-12