NIU Yichi · SHANGHAI YOUTH 5

653rank
-56.5Butler · 110 bds
-0.51per board
±4.5swing
+0.20vs par /bd · #250/672
-0.62adjusted /bd
Butler per round: -25.7 -12 -12.4 5.7 -7.2 -7.2 3.3 16.7 2.7 -7.8 -12.6by round

vs par split: bidding +0.16 · play +0.35

Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted -0.62/bd

Card play — on target: opening leads 66.7% #622 of 671 · declarer play 72.2% #462 of 671 · defence 88.9% #181 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·66.7% (12)
Declarer play·72.2% (18)
Defence·88.9% (27)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 100.0% (1) · ♦ 83.3% (6) · ♣ 50.0% (4)

vs par by strain: a suit +0.41 (64)

vs par by level: part-score +0.85 (27) · game +1.27 (33) · slam -9.75 (4)

By role: declaring -0.21/bd (-1.58 vs par · 62) · defending -0.90/bd (+2.50 vs par · 48)

By vulnerability: vulnerable -0.67/bd (+0.19 vs par · 64) · not vulnerable -0.30/bd (+0.22 vs par · 46)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.ZhangH.Li – B.FuOpen10-25.7-2.57-1.00
Round 2Y.ZhangZ.Chen – C.WangOpen10-12.0-1.20+3.10
Round 3Y.ZhangH.Jiang – X.ZhouOpen10-12.4-1.24-0.20
Round 4Y.ZhangZ.Zhu – X.PanClosed10+5.7+0.57+0.40
Round 5Y.ZhangM.Karmarkar – S.ThadaniClosed10-7.2-0.72-1.40
Round 6Y.ZhangN.Chen – L.HuClosed10-7.2-0.72-1.80
Round 7Y.ZhangJ.Gao – W.ZhangOpen10+3.3+0.33-0.70
Round 10Y.ZhangN.Edgtton – A.EdgttonClosed10+16.7+1.67+0.70
Round 11Y.ZhangC.Yu – J.LvOpen10+2.7+0.27+0.30
Round 12Y.ZhangB.Zhu – J.ZhangClosed10-7.8-0.78-0.10
Round 13Y.ZhangL.Li – C.PengOpen10-12.6-1.26+2.90

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
+11.2Round 3SHANGHAI JIAHENG274♠x♠3=+12
+10.2Round 10GILL56♠♣2=+0
+7.5Round 1SHANGHAI YOUTH 435♥♦2-1+13
+7.5Round 5SECOND CHANCE156N♦J=+0
+7.4Round 2WONDERS INFO174♥♦6=+12
+6.6Round 10GILL25♦x♦7=+4
+5.8Round 7SUZHOU TAIHU54♠♦Q+1+6
+5.4Round 12YANG XI MENG242♠♦7+1+0
+5.2Round 2WONDERS INFO133Nx♦10-1+2
+5.2Round 10GILL94♥♠2=+8
+5.0Round 7SUZHOU TAIHU85♠x♣J-2+0
+4.7Round 4WEIYU JUNIOR MIDDLE SCHOOL83♥x♦5-1+6
+4.6Round 1SHANGHAI YOUTH 442♠♥10=+6
+4.1Round 12YANG XI MENG294♠x♥Q-1+3
+4.0Round 6BEIJING ZHU YE242N♣3+2+2
+3.8Round 11NINGBOYONGGUAN132♥♦6-1+5
+3.6Round 12YANG XI MENG223N♥A-1+5
+3.5Round 11NINGBOYONGGUAN143N♠4+2-14
+3.0Round 13HUBEI YICHANG43N♥2=-2
+2.7Round 4WEIYU JUNIOR MIDDLE SCHOOL43♦♣Q+2+10
+2.7Round 4WEIYU JUNIOR MIDDLE SCHOOL92♠♣2-2+5
+2.6Round 4WEIYU JUNIOR MIDDLE SCHOOL51N♦5=+5
+2.6Round 4WEIYU JUNIOR MIDDLE SCHOOL64♣x♦K-2-8
+2.6Round 11NINGBOYONGGUAN113N♥2=-1
+2.6Round 12YANG XI MENG282♠♣5+2+7
+2.3Round 3SHANGHAI JIAHENG234♠♦J+1+0
+1.7Round 7SUZHOU TAIHU102♥♠J+2+1
+1.6Round 1SHANGHAI YOUTH 472♠x♦A-1+10
+1.6Round 2WONDERS INFO184♠♥A-1+4
+1.5Round 11NINGBOYONGGUAN121N♥7+2+10
+1.3Round 3SHANGHAI JIAHENG293N♥K+1-1
+1.3Round 11NINGBOYONGGUAN172♠♣Q-1+4
+1.3Round 13HUBEI YICHANG73N♠9+2+0
+1.2Round 11NINGBOYONGGUAN194♠♣J+1+1
+1.2Round 13HUBEI YICHANG14♠♣6=+0
+0.9Round 4WEIYU JUNIOR MIDDLE SCHOOL23N♥3+2+1
+0.8Round 1SHANGHAI YOUTH 462♠♦2-1+0
+0.8Round 4WEIYU JUNIOR MIDDLE SCHOOL10Pass+3
+0.8Round 12YANG XI MENG253N♥5+2+6
+0.7Round 1SHANGHAI YOUTH 4104♠♠3+1+4
+0.7Round 5SECOND CHANCE143♣♠Q-1+2
+0.7Round 5SECOND CHANCE161N♠5-3+0
+0.6Round 4WEIYU JUNIOR MIDDLE SCHOOL72N♥5=-1
+0.4Round 6BEIJING ZHU YE232♥♣A+1+0
+0.4Round 6BEIJING ZHU YE303N♠2-1+5
+0.3Round 3SHANGHAI JIAHENG223N♥2=+5
+0.3Round 10GILL33♥♣2=+0
+0.2Round 5SECOND CHANCE121N♠5+1+0
+0.2Round 12YANG XI MENG213♥♦5=+1
+0.2Round 13HUBEI YICHANG33N♦10+1+1
+0.1Round 7SUZHOU TAIHU32♣♦7+1-9
+0.1Round 7SUZHOU TAIHU94♥♦J+1+11
+0.1Round 11NINGBOYONGGUAN203N♥J+3+13
+0.0Round 6BEIJING ZHU YE283N♠2+2+0
+0.0Round 10GILL73♦♣2-1+9
+0.0Round 10GILL103♣♦9-1+1
+0.0Round 13HUBEI YICHANG93N♥3+2+0
-0.1Round 7SUZHOU TAIHU64♥♥5=-1
-0.2Round 2WONDERS INFO203N♥2+3+13
-0.2Round 6BEIJING ZHU YE274♥♦K-1-5
-0.2Round 7SUZHOU TAIHU44♥♠8=-1
-0.5Round 10GILL64♥♣A=+0
-0.6Round 3SHANGHAI JIAHENG211N♣J+2+0
-0.6Round 5SECOND CHANCE204♠♣A=+1
-0.8Round 4WEIYU JUNIOR MIDDLE SCHOOL15♣♥K-1-4
-0.9Round 2WONDERS INFO154♠♠9=+1
-0.9Round 10GILL11N♦A-1-4
-1.0Round 10GILL41N♣2-1-5
-1.0Round 13HUBEI YICHANG84♠♦Q+1+14
-1.1Round 6BEIJING ZHU YE264♠♦7=-5
-1.3Round 3SHANGHAI JIAHENG242N♣8+2-1
-1.3Round 6BEIJING ZHU YE291Nx♣2=-2
-1.3Round 12YANG XI MENG304♥♦K-1-5
-1.4Round 1SHANGHAI YOUTH 494N♥10+1+0
-1.4Round 5SECOND CHANCE172N♠2-1-4
-1.5Round 6BEIJING ZHU YE223♦♥Q-1+4
-1.5Round 13HUBEI YICHANG53N♠3+3+12
-1.6Round 11NINGBOYONGGUAN184♣♠6-1-4
-1.9Round 2WONDERS INFO111N♥4+1+0
-1.9Round 7SUZHOU TAIHU14♥♥A+2-1
-2.3Round 5SECOND CHANCE184♠♣3-1-5
-2.6Round 6BEIJING ZHU YE253♥♦8-1-6
-2.6Round 7SUZHOU TAIHU22N♠10-1-5
-2.9Round 5SECOND CHANCE112♠♦A-1+2
-2.9Round 11NINGBOYONGGUAN154♠♣A-1+2
-3.1Round 12YANG XI MENG274♥♦Q+1+5
-3.2Round 10GILL82♠+2-6
-3.3Round 2WONDERS INFO122♠♥10-2-2
-3.4Round 5SECOND CHANCE192♠♦4=-5
-4.1Round 13HUBEI YICHANG24♥♣6+1+0
-4.4Round 3SHANGHAI JIAHENG251N♥10-1-5
-4.6Round 7SUZHOU TAIHU74♠♥3-2-8
-4.7Round 12YANG XI MENG261N♣6-2-8
-4.8Round 13HUBEI YICHANG103N♣K-1-6
-4.9Round 3SHANGHAI JIAHENG303N♥7+2+4
-5.1Round 2WONDERS INFO161N♠9-3-6
-5.3Round 6BEIJING ZHU YE216♥♣A-1-11
-5.7Round 5SECOND CHANCE133N♠2+1-5
-6.5Round 1SHANGHAI YOUTH 414♥♣3-2-11
-6.7Round 2WONDERS INFO193N♠4-4-8
-6.8Round 11NINGBOYONGGUAN166♠♣9-1-13
-6.9Round 13HUBEI YICHANG63N♥4+3+10
-7.1Round 3SHANGHAI JIAHENG284♥♠4+1-6
-7.8Round 1SHANGHAI YOUTH 423N♣8-1-9
-8.1Round 2WONDERS INFO146N♣J=+15
-8.9Round 1SHANGHAI YOUTH 454♠♦10=-7
-9.2Round 3SHANGHAI JIAHENG264♦♣Q=-10
-11.1Round 4WEIYU JUNIOR MIDDLE SCHOOL33N♥9-1-13
-15.4Round 12YANG XI MENG236♦♣5=-15
-16.3Round 1SHANGHAI YOUTH 483Nxx♦3-4-16