LI Xiaoyu · CHANG HONG

548rank
-44.7Butler · 90 bds
-0.50per board
±4.0swing
-0.44vs par /bd · #436/567
-0.77adjusted /bd
Butler per round: -12.8 14.1 -5.2 -7.1 -8.1 -12.8 8.4 -17.5 -3.7by round

vs par split: bidding -0.19 · play -0.26

Strength of schedule: opponents averaged -0.27/bd (an easy draw) → opponent-adjusted -0.77/bd

Card play — on target: opening leads 81.2% #248 of 567 · declarer play 64.7% #522 of 567 · defence 89.2% #65 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)90.9% (11)
Declarer play41.7% (12)77.3% (22)
Defence100.0% (8)86.2% (29)

Opening leads by suit led: ♠ 50.0% (4) · ♥ 75.0% (4) · ♦ 100.0% (2) · ♣ 100.0% (6)

vs par by strain: NT -1.85 (27) · a suit +0.16 (63)

vs par by level: part-score +0.67 (36) · game -1.23 (52) · slam +0.00 (2)

By role: declaring -0.74/bd (-2.00 vs par · 53) · defending -0.15/bd (+1.78 vs par · 37)

By vulnerability: vulnerable -0.55/bd (-0.93 vs par · 44) · not vulnerable -0.45/bd (+0.02 vs par · 46)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.HuM.Di Franco – H.KimOpen10-12.8-1.28-1.00
Round 2D.HuW.Zhang – Y.WuOpen10+14.1+1.41+3.10
Round 3D.HuK.Fan – P.TsaiClosed10-5.2-0.52-1.40
Round 6D.HuE.Lau – L.CheungClosed10-7.1-0.71-2.30
Round 7D.HuD.Yu – R.LiClosed10-8.1-0.81-4.00
Round 8D.HuJ.Mourgues – L.ThuillezOpen10-12.8-1.28-1.40
Round 11Y.HuangT.Xu – X.XueClosed10+8.4+0.84+1.80
Round 13Y.HuangM.Szymanowski – P.BizonOpen10-17.5-1.75+0.20
Round 14Y.HuangO.Ekinci – M.CopurOpen10-3.7-0.37+1.00

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
+10.5Round 11HUBEI BRIDGE TEAM133NT♣9-3+10
+7.3Round 2ZHEJIANG JINJIANG193NT♦10+1+11
+6.5Round 6FAR EAST296♠♦J=+0
+5.2Round 3CHINESE TAIPEI Mixed294♠♥5=+10
+5.2Round 8PSG194♦♥Q-2+11
+5.1Round 11HUBEI BRIDGE TEAM114♥♣K=+8
+4.9Round 13POLAND Seniors103♠♣3-2+2
+4.7Round 11HUBEI BRIDGE TEAM193NT♥9+1+1
+4.5Round 14TURKEY Seniors154♠♥2=+11
+4.4Round 14TURKEY Seniors185♣x♦2-2+5
+4.2Round 7YUNNAN93NT♠3=-13
+4.1Round 2ZHEJIANG JINJIANG154♥♦10+1+6
+4.0Round 2ZHEJIANG JINJIANG174♠♣4-1+10
+3.8Round 1SEOUL MIXED62♠♦A=+11
+3.7Round 2ZHEJIANG JINJIANG113♥♣2-2+8
+3.7Round 2ZHEJIANG JINJIANG124♠♥Q-1+12
+3.6Round 3CHINESE TAIPEI Mixed283NT♠Q+3+1
+3.6Round 8PSG203NT♥2-2+7
+3.1Round 14TURKEY Seniors164♠x♦2-1+6
+2.8Round 3CHINESE TAIPEI Mixed231NT♣2=-1
+2.5Round 2ZHEJIANG JINJIANG182♦♠A=+0
+2.3Round 7YUNNAN72♣x♥K-1+3
+2.3Round 14TURKEY Seniors201NT♦6=+6
+2.2Round 13POLAND Seniors12♥♦Q+2+6
+2.0Round 6FAR EAST275♠♥A-1+8
+1.9Round 7YUNNAN14♥♦8-2+0
+1.7Round 14TURKEY Seniors174♠♦2+1+0
+1.3Round 6FAR EAST213NT♥J-2-5
+1.3Round 11HUBEI BRIDGE TEAM143♣♣9+1+0
+0.9Round 6FAR EAST243♦♣7=+0
+0.6Round 1SEOUL MIXED13♠♣3+1+6
+0.6Round 2ZHEJIANG JINJIANG131NT♦Q=-1
+0.6Round 11HUBEI BRIDGE TEAM123NT♠10=-1
+0.6Round 14TURKEY Seniors124♥♦2=+0
+0.5Round 8PSG153NT♠9=+1
+0.3Round 3CHINESE TAIPEI Mixed304♥♦2+1+0
+0.2Round 13POLAND Seniors73NT♥K=-2
+0.1Round 3CHINESE TAIPEI Mixed223NT♥10-1+5
+0.1Round 6FAR EAST222♥♦Q=+1
+0.1Round 13POLAND Seniors93NT♠4+1-1
+0.0Round 8PSG114♠♥A+1+0
-0.0Round 8PSG143NT♣7+2+0
-0.2Round 11HUBEI BRIDGE TEAM182♠♣2=+0
-0.3Round 1SEOUL MIXED103♣♠2=-1
-0.3Round 3CHINESE TAIPEI Mixed245♦♥4=-2
-0.3Round 6FAR EAST283♦♠3-2+1
-0.3Round 13POLAND Seniors23♠♣7-1+10
-0.4Round 1SEOUL MIXED72♥♦3-1-1
-0.6Round 2ZHEJIANG JINJIANG143♦♥2=-5
-0.6Round 11HUBEI BRIDGE TEAM172♠♣9=+7
-0.6Round 11HUBEI BRIDGE TEAM202♠♠4+1-1
-0.6Round 13POLAND Seniors62♥♠4+2+6
-0.8Round 6FAR EAST253NT♠3-1-5
-0.8Round 7YUNNAN32♦♠2+1+0
-0.9Round 7YUNNAN22♠♣A-1+1
-1.3Round 1SEOUL MIXED33♥♥4=+0
-1.3Round 7YUNNAN83NT♦6=-11
-1.4Round 1SEOUL MIXED92♦♦6+1+3
-1.5Round 7YUNNAN64♥x♦6-2-3
-1.9Round 14TURKEY Seniors113NT♣2=+1
-2.0Round 3CHINESE TAIPEI Mixed264♥♠K+1-13
-2.3Round 8PSG133♠♠3-2-2
-2.7Round 3CHINESE TAIPEI Mixed274♥♠2=-3
-2.9Round 1SEOUL MIXED52♣♥3+2-7
-2.9Round 14TURKEY Seniors192NT♦2-2-3
-3.0Round 14TURKEY Seniors141NT♣10-1-4
-3.1Round 1SEOUL MIXED24♦♥A-1-5
-3.1Round 1SEOUL MIXED84♠♥4-1-10
-3.3Round 7YUNNAN44♥♠K=-3
-3.5Round 3CHINESE TAIPEI Mixed253NT♦A-1+0
-3.6Round 8PSG124♥♦K+2-11
-3.8Round 2ZHEJIANG JINJIANG163NT♥4=-7
-4.2Round 7YUNNAN52♥♥J=-6
-4.5Round 7YUNNAN105♦x♠Q-1-8
-4.5Round 13POLAND Seniors86♦♠A=+0
-4.7Round 1SEOUL MIXED44♥♦9-1-6
-4.7Round 6FAR EAST262♠♦A-3-5
-5.1Round 11HUBEI BRIDGE TEAM154♠♦5=+1
-5.2Round 8PSG185♦x♣2=-3
-5.3Round 8PSG173NT♠8-5-8
-5.4Round 6FAR EAST304♥♣K-1-10
-5.7Round 8PSG164♣♥4-3-9
-5.9Round 13POLAND Seniors43♥x♠K-1-7
-6.7Round 6FAR EAST233NT♥6-2-8
-6.8Round 13POLAND Seniors33NT♦2-1-12
-6.8Round 13POLAND Seniors54♥♥4-2+0
-7.3Round 11HUBEI BRIDGE TEAM164♥♣6=-7
-7.4Round 2ZHEJIANG JINJIANG204♠♥A=-3
-8.7Round 3CHINESE TAIPEI Mixed213NT♠2-2-11
-12.5Round 14TURKEY Seniors134♥x♣2-3-12