WEI Yu · JILIN BA

239rank
+19.6Butler · 150 bds
+0.13per board
±5.1swing
+0.41vs par /bd · #144/567
+0.13adjusted /bd
Butler per round: -34.2 9.9 -1.4 -1.2 -5.5 -11.5 -10.2 10.1 -1.3 -3 14.4 46.3 9.6 -4.2 1.8by round

vs par split: bidding +0.58 · play -0.14

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.13/bd

Card play — on target: opening leads 82.9% #206 of 567 · declarer play 87.1% #59 of 567 · defence 83.3% #265 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (16)88.0% (25)
Declarer play81.2% (16)93.3% (15)
Defence76.0% (25)86.8% (53)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 86.7% (15) · ♦ 100.0% (8) · ♣ 72.7% (11)

vs par by strain: NT -0.22 (51) · a suit +0.78 (98)

vs par by level: part-score +0.61 (62) · game +0.10 (80) · slam +2.71 (7)

By role: declaring -0.62/bd (-2.30 vs par · 71) · defending +0.81/bd (+2.85 vs par · 79)

By vulnerability: vulnerable -0.31/bd (+0.01 vs par · 75) · not vulnerable +0.57/bd (+0.81 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.JinJ.Liu – F.ShiClosed10-34.2-3.42-3.10
Round 2J.JinK.Plengsap – K.JanebunjongClosed10+9.9+0.99+2.60
Round 3D.YuX.Cheng – X.WeiClosed10-1.4-0.14-1.00
Round 4D.YuM.Whibley – M.BrownOpen10-1.2-0.12+0.10
Round 5J.JinA.Hung – N.EdgttonClosed10-5.5-0.55-0.40
Round 6J.JinA.Adamson – D.KaneClosed10-11.5-1.15-2.60
Round 7J.JinF.Du – S.ZhouOpen10-10.2-1.02-3.20
Round 8D.YuE.Lau – L.CheungOpen10+10.1+1.01+1.10
Round 9D.YuH.Chen – X.LiOpen10-1.3-0.13+3.30
Round 10J.JinL.Li – W.HuOpen10-3.0-0.30+1.80
Round 11J.JinY.Guan – J.LiangOpen10+14.4+1.44+2.10
Round 12J.JinZ.Ba – H.WangClosed10+46.3+4.63+3.90
Round 13D.YuJ.Mourgues – L.ThuillezOpen10+9.6+0.96+2.80
Round 14D.YuA.Comella – S.SabbatiniClosed10-4.2-0.42+1.00
Round 15D.YuZ.Zhu – W.CaiOpen10+1.8+0.18-2.20

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
+13.2Round 7WUHAN44♠♦A=+15
+13.2Round 12NEIMENGGU211NTxx♥A-2+13
+13.2Round 12NEIMENGGU255♠♣4-1+17
+11.9Round 7WUHAN72♣x♠5-3+12
+11.5Round 12NEIMENGGU226♣♦A-1+14
+10.4Round 8FAR EAST186♠♣K-1+13
+10.1Round 12NEIMENGGU286♥♥2=+0
+9.8Round 11YENOVA183♥♣J-6+10
+9.0Round 15ZJJDWUHANYUAN264♠x♦3-3+5
+8.2Round 15ZJJDWUHANYUAN286NT♦3=+0
+7.7Round 3CHENGDUGUOLI274♥♣6-1+8
+7.3Round 2THAILAND Mixed193NT♦10+1+11
+7.3Round 11YENOVA203♦♦5-2+7
+6.6Round 10WARHORSE72NT♦2+1+10
+6.6Round 11YENOVA154♥♦K-1+13
+6.5Round 11YENOVA142♠♦K-2+6
+6.0Round 13PSG85♦♣Q+1+11
+5.8Round 3CHENGDUGUOLI284♠x♥Q=+4
+5.7Round 4NEW ZEALAND Open43NT♠J+2+0
+5.7Round 8FAR EAST126♣♦5=-2
+5.5Round 12NEIMENGGU293NT♥10-1+6
+5.4Round 2THAILAND Mixed174♠♥A-2+11
+5.2Round 3CHENGDUGUOLI294♠♥7=+10
+4.8Round 9FUJIAN BOSSSOFT223NT♥A-2+6
+4.8Round 14ITALY Seniors131NT♠4+2+6
+4.6Round 11YENOVA163NT♠6-2+6
+4.4Round 5AUSTRALIA Open133NT♣3=-1
+4.4Round 5AUSTRALIA Open175♣♦A-1+5
+4.4Round 9FUJIAN BOSSSOFT234♠♦3=+14
+4.1Round 6SCOTLAND BLUE283NT♦4-1+6
+3.8Round 5AUSTRALIA Open142NT♥8-2-1
+3.7Round 2THAILAND Mixed124♠♥Q-1+12
+3.6Round 4NEW ZEALAND Open25♥♦A=+6
+3.6Round 8FAR EAST163♥♣A-2+0
+3.4Round 13PSG43NTx♥Q-1+3
+3.3Round 2THAILAND Mixed154♥♦10=+6
+3.1Round 13PSG12♥♣J+1+7
+2.9Round 13PSG73NT♥Q+3+1
+2.7Round 9FUJIAN BOSSSOFT282♥♦4=+1
+2.6Round 2THAILAND Mixed113♦♥10+2+7
+2.6Round 7WUHAN23♣♠Q-1+5
+2.6Round 13PSG101NT♠7=-1
+2.4Round 5AUSTRALIA Open152♥♠Q+1+6
+2.2Round 4NEW ZEALAND Open82♠♣10=+0
+2.0Round 1GUIZHOU ZHENGYE92♠♣6-1+6
+2.0Round 6SCOTLAND BLUE275♠♥A-1+8
+1.9Round 3CHENGDUGUOLI213NT♦3=-2
+1.9Round 9FUJIAN BOSSSOFT243♦♣A-2+5
+1.7Round 9FUJIAN BOSSSOFT254♥♦3+2+11
+1.7Round 14ITALY Seniors173NT♥J+2+0
+1.5Round 12NEIMENGGU263♥♦3+1+1
+1.5Round 14ITALY Seniors123NT♥10+2+1
+1.5Round 14ITALY Seniors164♠♥A-1+5
+1.4Round 10WARHORSE9Pass-3
+1.4Round 11YENOVA123NT♠10+1+0
+1.3Round 5AUSTRALIA Open203♠♦10+1+1
+1.3Round 6SCOTLAND BLUE213NT♦6-2-5
+1.3Round 10WARHORSE102♠♣Q=+0
+1.1Round 5AUSTRALIA Open111NT♦6+3+1
+1.1Round 13PSG93NT♠6=+0
+1.1Round 14ITALY Seniors142♦♦8+1+0
+0.9Round 4NEW ZEALAND Open62♥♠7-1+0
+0.8Round 3CHENGDUGUOLI245♦♠A+2-1
+0.6Round 1GUIZHOU ZHENGYE13♠♥6+1+6
+0.6Round 2THAILAND Mixed131NT♦K=-1
+0.6Round 4NEW ZEALAND Open34♥♠K+2+11
+0.6Round 6SCOTLAND BLUE232♥♣5=-1
+0.5Round 15ZJJDWUHANYUAN253NT♦3=+1
+0.4Round 7WUHAN83NT♥Q+2-10
+0.4Round 13PSG62♦♥3+2+7
+0.3Round 12NEIMENGGU273♠♦6+3-5
+0.2Round 6SCOTLAND BLUE302♥♠5+2-6
+0.1Round 3CHENGDUGUOLI223NT♣Q-1+5
+0.1Round 5AUSTRALIA Open163♣♥K=+7
-0.0Round 6SCOTLAND BLUE263♦♥3=+0
-0.0Round 8FAR EAST143NT♣J+2+0
-0.1Round 4NEW ZEALAND Open73♠♣K+1-1
-0.2Round 10WARHORSE32♣♦10+3+6
-0.2Round 15ZJJDWUHANYUAN243NT♦3+2+0
-0.3Round 8FAR EAST133♦♠A+1+0
-0.3Round 13PSG22♠♣3-1+10
-0.4Round 1GUIZHOU ZHENGYE73♠♦K-1-1
-0.4Round 12NEIMENGGU242NT♥10-4+6
-0.4Round 14ITALY Seniors155♣x♦J-1+7
-0.5Round 4NEW ZEALAND Open54♠♣K=+0
-0.5Round 8FAR EAST153NT♠2+1+0
-0.5Round 9FUJIAN BOSSSOFT263NT♥9+2+12
-0.6Round 2THAILAND Mixed143♦♥2=-5
-0.6Round 4NEW ZEALAND Open14♥♠K=-1
-0.9Round 6SCOTLAND BLUE223♥♦Q=+0
-0.9Round 8FAR EAST114♠♥A+2-1
-1.0Round 10WARHORSE86NT♥2+1+11
-1.1Round 3CHENGDUGUOLI264♥♠K+2-13
-1.2Round 2THAILAND Mixed182♦♣3-1-4
-1.3Round 1GUIZHOU ZHENGYE32♥♦K+1+0
-1.3Round 8FAR EAST192NT♠2+2+6
-1.3Round 15ZJJDWUHANYUAN274♠♦3-1-2
-1.4Round 12NEIMENGGU302NT♠10-1-5
-1.5Round 11YENOVA173♠♥K=+6
-1.6Round 4NEW ZEALAND Open101NT♠5+1-1
-1.6Round 9FUJIAN BOSSSOFT292♠♣4+2+1
-1.8Round 15ZJJDWUHANYUAN231♠♦3+2-1
-1.9Round 10WARHORSE54♥♣K-1+2
-1.9Round 14ITALY Seniors113NT♣10=+1
-2.0Round 10WARHORSE44♦♣2=+0
-2.1Round 9FUJIAN BOSSSOFT212♠♣Q+1-7
-2.1Round 10WARHORSE11NT♦10-1+1
-2.2Round 1GUIZHOU ZHENGYE52♣♣6+3-7
-2.4Round 10WARHORSE64♠♣10-1-6
-2.7Round 10WARHORSE24♠♥A=-3
-2.7Round 14ITALY Seniors184♥♣4=-3
-2.7Round 15ZJJDWUHANYUAN213♥♦3=+0
-2.8Round 13PSG31NT♦3+2-10
-2.8Round 15ZJJDWUHANYUAN303NT♦3-1-5
-2.9Round 6SCOTLAND BLUE244♥♣7-1-4
-3.1Round 1GUIZHOU ZHENGYE23NT♠9-1-5
-3.1Round 1GUIZHOU ZHENGYE84♠♥6-1-10
-3.2Round 7WUHAN11NT♦4=-5
-3.2Round 8FAR EAST175♦♥7-3-6
-3.2Round 15ZJJDWUHANYUAN294♠♦3-1-9
-3.3Round 6SCOTLAND BLUE253NT♠2-2-7
-3.4Round 8FAR EAST201NT♥2=+1
-3.5Round 3CHENGDUGUOLI254♥♦A-1+0
-3.8Round 2THAILAND Mixed163NT♥4=-7
-3.9Round 15ZJJDWUHANYUAN221NT♦3-2-11
-4.5Round 7WUHAN105♦x♠Q-1-8
-4.7Round 1GUIZHOU ZHENGYE43NT♣6-1-6
-4.9Round 9FUJIAN BOSSSOFT274♠♠3-1-10
-4.9Round 14ITALY Seniors193NT♥K-3-5
-4.9Round 14ITALY Seniors204♥♦A-2-2
-5.1Round 11YENOVA115♦♣4-1-4
-5.2Round 11YENOVA134♥♠7=-10
-6.0Round 5AUSTRALIA Open122♦x♦6-2-5
-6.2Round 5AUSTRALIA Open194♠♣A=-7
-6.8Round 13PSG54♥♥4-2+0
-7.2Round 12NEIMENGGU232♦x♦4=-8
-7.3Round 7WUHAN64♥x♠A-3-9
-7.4Round 2THAILAND Mixed203NT♥4+1-4
-7.5Round 7WUHAN33NT♣A=-7
-7.7Round 9FUJIAN BOSSSOFT304♠♦Q=+0
-7.8Round 3CHENGDUGUOLI232♣x♠J+1-10
-7.8Round 7WUHAN55♣x♦10-2-9
-8.0Round 7WUHAN93NT♠2-1-16
-8.1Round 1GUIZHOU ZHENGYE64♥♥6=+0
-10.0Round 11YENOVA194♠x♣J-1-13
-10.5Round 3CHENGDUGUOLI305♥x♠A-1-11
-10.8Round 5AUSTRALIA Open183NT♥K=-10
-11.4Round 4NEW ZEALAND Open93♥x♠A-3-13
-12.6Round 6SCOTLAND BLUE297♠♣J-1-17
-13.9Round 1GUIZHOU ZHENGYE102♥x♣10+1-14