ZHANG Jun · WONDERS INFO

194rank
+52.7Butler · 170 bds
+0.31per board
±4.9swing
+0.69vs par /bd · #103/672
-0.04adjusted /bd
Butler per round: -30.8 15.8 -15.5 12.6 12.6 -0.9 -0.9 51.4 51.4 5.4 5.4 26.7 26.7 12.8 12.8 -24.8 -24.8by round

vs par split: bidding +0.04 · play +0.66

Strength of schedule: opponents averaged -0.35/bd (an easy draw) → opponent-adjusted -0.04/bd

Card play — on target: opening leads 82.1% #326 of 671 · declarer play 86.0% #135 of 671 · defence 86.8% #269 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·82.1% (28)
Declarer play·86.0% (43)
Defence·86.8% (53)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 70.0% (10) · ♦ 71.4% (7) · ♣ 100.0% (5)

vs par by strain: a suit +0.70 (116)

vs par by level: part-score +1.90 (50) · game -0.67 (57) · slam +2.67 (9)

By role: declaring +0.33/bd (-1.95 vs par · 85) · defending +0.29/bd (+3.34 vs par · 85)

By vulnerability: vulnerable +0.29/bd (+0.23 vs par · 87) · not vulnerable +0.33/bd (+1.18 vs par · 83)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3Y.ShiG.Stout – J.MillerClosed10-30.8-3.08-4.20
Round 4Y.ShiJ.Shen – K.YangClosed10+15.8+1.58+1.50
Round 5Y.ShiY.Wang – H.YangOpen10-15.5-1.55-1.30
Round 7Y.ShiC.Yu – L.NiOpen10+20.8+2.08+3.50
Round 7B.ZhuM.Parnis-England – M.DixOpen10-8.2-0.82+0.20
Round 8Y.ShiT.Yongchareon – P.MaijarernOpen10-4.8-0.48+0.10
Round 8B.ZhuS.Yang – J.ParkOpen10+3.9+0.39+0.70
Round 9Y.ShiS.Yang – J.ParkOpen10+4.5+0.45+0.90
Round 9B.ZhuG.Li – H.ZhaoOpen10+46.9+4.69+6.30
Round 10B.ZhuF.Alquiros – F.MayerOpen10+5.7+0.57+2.10
Round 10Y.ShiY.Sun – C.HuClosed10-0.3-0.03+1.40
Round 11B.ZhuS.Kejriwal – N.ChitlangiaOpen10-2.5-0.25-0.60
Round 11Y.ShiS.Zhang – S.ZhangClosed10+29.2+2.92+2.10
Round 12H.YuS.Iyengar – J.GoenkaOpen10+5.0+0.50+1.00
Round 12B.ZhuY.Zhang – Y.NiuClosed10+7.8+0.78+0.10
Round 13B.ZhuJ.Zanalda – J.GueglioOpen10+0.3+0.03-3.40
Round 13H.YuX.Wu – Y.WuOpen10-25.1-2.51+1.40

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
+16.1Round 12INDIA RED276Nx♣J-5+18
+15.4Round 12SHANGHAI YOUTH 5236♦♣5=+15
+12.6Round 9QING HAI292♠x♥K=+13
+11.8Round 9QING HAI286♦♠K=+11
+11.2Round 11TRIJET206♣♠9=-2
+9.6Round 9KOREA-CHINA255♦x♣7-2+12
+9.5Round 4SH PANYU MIDDLE SCHOOL45♦x♣Q=+4
+9.2Round 11CHITLANGIA191♠♥K+3+10
+9.1Round 9QING HAI303♠x♣K=+9
+8.9Round 4SH PANYU MIDDLE SCHOOL32♣♥Q+2+11
+8.4Round 11CHITLANGIA167♠♠5-2+13
+8.4Round 11TRIJET123N♣4+1+0
+8.2Round 9QING HAI273N♦3+1+7
+7.6Round 12INDIA RED284♠♠5-1+11
+7.5Round 8THAILAND/CBLT113♥♣K+1+10
+5.7Round 5BEIJING BEI DI KE133N♠2+1+5
+5.6Round 13SHANGHAI OCEAN23♥♠6+1+10
+5.1Round 7NINGBOYONGGUAN103♥♣Q-1+6
+5.1Round 11TRIJET141♣♦J+1+15
+4.8Round 8THAILAND/CBLT194♥♣3-2+7
+4.8Round 13PALERMO103N♥K-1+6
+4.7Round 7NINGBOYONGGUAN55♠x♥J-1+7
+4.7Round 12SHANGHAI YOUTH 5261N♣6-2+8
+4.6Round 7NINGBOYONGGUAN74♠x♥3-1+8
+4.6Round 7SECOND CHANCE74♠♠Q-2+8
+4.5Round 13SHANGHAI OCEAN66♣♥3-1+14
+4.4Round 10EGAN95♠x♥K-1+5
+4.3Round 9QING HAI213N♣8+1+5
+4.2Round 5BEIJING BEI DI KE193♠♥3=+6
+4.0Round 5BEIJING BEI DI KE122♥♣J-1+5
+3.7Round 3GRANT265♦x♣K-1+3
+3.7Round 9KOREA-CHINA213N♣7=+5
+3.7Round 10EGAN42N♣9-2+7
+3.4Round 8KOREA-CHINA123N♠9-2+6
+3.4Round 11TRIJET172♦♣Q+2+1
+3.3Round 13PALERMO24♥♠6=-1
+3.1Round 12SHANGHAI YOUTH 5274♥♦Q+1-5
+2.9Round 11TRIJET154♠♣A-1-2
+2.7Round 4SH PANYU MIDDLE SCHOOL51N♠5-2+0
+2.7Round 7SECOND CHANCE85♦♠A-3+10
+2.7Round 8KOREA-CHINA203N♦4+1+0
+2.7Round 11TRIJET195♥x♠A-3+3
+2.6Round 7NINGBOYONGGUAN22N♠10-1+5
+2.6Round 8THAILAND/CBLT204♠♠7=+0
+2.5Round 4SH PANYU MIDDLE SCHOOL92♠♦4=+0
+2.5Round 9QING HAI223♠♣3+1+6
+2.4Round 8KOREA-CHINA182♠♥10-1+4
+2.4Round 8KOREA-CHINA192♠♥K=+5
+2.4Round 10SHANGHAI YOUTH 364♠♣A+2+2
+2.3Round 9QING HAI253N♦Q-1+6
+2.3Round 11CHITLANGIA141N♠5+4+15
+2.2Round 4SH PANYU MIDDLE SCHOOL64♣♠Q-2+11
+1.9Round 8THAILAND/CBLT121♠♣Q-1+5
+1.8Round 7NINGBOYONGGUAN85♣x♥Q-1+9
+1.8Round 7NINGBOYONGGUAN94♥♠8+3-10
+1.6Round 5BEIJING BEI DI KE143♦♣5+1+1
+1.6Round 11TRIJET182♣♠2-1+4
+1.6Round 12INDIA RED212♥♥10+3+3
+1.5Round 9KOREA-CHINA303♠♣K=+0
+1.3Round 9KOREA-CHINA283N♠3+2-4
+1.3Round 12SHANGHAI YOUTH 5304♥♦K-1+5
+1.3Round 13SHANGHAI OCEAN74♥♣A+1+0
+1.2Round 10EGAN32♦♠9=+2
+1.2Round 10SHANGHAI YOUTH 354♠♥7+1+11
+1.2Round 11TRIJET132♥♣3=+1
+1.2Round 13PALERMO84♠♠3+2-14
+1.1Round 8KOREA-CHINA162♠♥4+1+0
+1.0Round 10SHANGHAI YOUTH 341N♣7-1+5
+0.9Round 8KOREA-CHINA152♥♦Q=-1
+0.9Round 10EGAN11N♦K-1+4
+0.9Round 13PALERMO53N♠6+2-12
+0.8Round 7SECOND CHANCE94♥♦2+2-11
+0.8Round 10EGAN72♣♦7+2-9
+0.8Round 10SHANGHAI YOUTH 394♠x♥6-2+0
+0.8Round 12INDIA RED253N♥5+2+6
+0.7Round 9KOREA-CHINA231N♥4=+1
+0.7Round 9QING HAI231N♥4=+1
+0.6Round 5BEIJING BEI DI KE204♠♣A=-1
+0.5Round 3GRANT212♠♦3+1+0
+0.5Round 3GRANT242N♠3+1+0
+0.5Round 9KOREA-CHINA293♠♥K-1+0
+0.5Round 10EGAN64♠♣A=+0
+0.5Round 12INDIA RED233N♠A-1+6
+0.3Round 4SH PANYU MIDDLE SCHOOL71N♦Q=+2
+0.3Round 10EGAN54♠♥4+2+11
+0.2Round 7NINGBOYONGGUAN44♥♠3=+1
+0.2Round 7SECOND CHANCE44♥♠9=+1
+0.1Round 4SH PANYU MIDDLE SCHOOL23N♠10+1+0
+0.1Round 7NINGBOYONGGUAN64♥♥J=+1
+0.0Round 7NINGBOYONGGUAN33♦♥4-2+9
+0.0Round 10EGAN102♠♣5=+0
+0.0Round 10SHANGHAI YOUTH 3102♠♣5=+0
-0.0Round 13PALERMO94♠♥4+1+0
-0.1Round 7NINGBOYONGGUAN13N♣4+1-1
-0.1Round 7SECOND CHANCE13N♣3+1-1
-0.1Round 7SECOND CHANCE32♥♦2=+9
-0.2Round 10SHANGHAI YOUTH 371N♦7=-9
-0.2Round 10SHANGHAI YOUTH 383N♠9-1+4
-0.2Round 12SHANGHAI YOUTH 5213♥♦5=-1
-0.2Round 13PALERMO33N♥7+1-1
-0.4Round 13PALERMO74♥♣A=+1
-0.6Round 8THAILAND/CBLT173N♦Q=+6
-0.6Round 10SHANGHAI YOUTH 31Pass+2
-0.8Round 4SH PANYU MIDDLE SCHOOL10Pass-3
-0.8Round 12INDIA RED223♣♥A+1+0
-0.8Round 12SHANGHAI YOUTH 5253N♥5+2-6
-0.9Round 8THAILAND/CBLT134♠♠3+2-7
-0.9Round 9KOREA-CHINA244♥♦6=+5
-0.9Round 11CHITLANGIA203N♠5+2-13
-0.9Round 13SHANGHAI OCEAN94♠♥K=-1
-1.0Round 7SECOND CHANCE21N♠K=+1
-1.1Round 8THAILAND/CBLT142♥♣2=+0
-1.1Round 8KOREA-CHINA142♥♦6=+0
-1.2Round 4SH PANYU MIDDLE SCHOOL84♦♣Q-1-3
-1.2Round 5BEIJING BEI DI KE113N♥J-2-5
-1.2Round 5BEIJING BEI DI KE172♠♦10-1+2
-1.2Round 10SHANGHAI YOUTH 332♠♠3+2-1
-1.2Round 13PALERMO14♠♦3=+0
-1.3Round 11CHITLANGIA174♠♣Q-1-4
-1.3Round 12INDIA RED304♥♦A-1-5
-1.4Round 3GRANT233N♦J+1+1
-1.5Round 8THAILAND/CBLT182♠♦Q=+0
-1.5Round 8KOREA-CHINA173N♥9+1+5
-1.5Round 13SHANGHAI OCEAN53N♣K+3+12
-1.6Round 11CHITLANGIA122♠♣7+1-10
-1.7Round 7SECOND CHANCE102♥♣5+2-1
-1.8Round 8KOREA-CHINA134♠♠3+1-8
-1.8Round 13SHANGHAI OCEAN33N♥5+3-1
-1.9Round 9KOREA-CHINA273♥♣Q-1-5
-1.9Round 9QING HAI245♥♦4=+5
-2.1Round 11CHITLANGIA183♣♠3=+0
-2.2Round 3GRANT293N♥K+2+0
-2.3Round 9KOREA-CHINA262N♣5=+1
-2.3Round 12INDIA RED264♥♣A-1-6
-2.6Round 10EGAN84♠♦A-1+1
-2.6Round 11CHITLANGIA113N♠9=+1
-2.6Round 11TRIJET113N♥Q=+1
-2.6Round 12SHANGHAI YOUTH 5282♠♣5+2-7
-2.7Round 3GRANT273N♠Q-1-5
-2.7Round 9QING HAI262N♣5+1+0
-2.8Round 11CHITLANGIA155♣x♦A-1-7
-3.5Round 10EGAN25♦♥K=+0
-3.5Round 10SHANGHAI YOUTH 325♦♥10=+0
-3.6Round 12SHANGHAI YOUTH 5223N♥A-1-5
-3.6Round 13PALERMO44♠♦8=+1
-3.7Round 8THAILAND/CBLT152♠♠5-1-6
-4.1Round 12SHANGHAI YOUTH 5294♠x♥Q-1-3
-4.3Round 5BEIJING BEI DI KE162♥x♦A-2-4
-4.5Round 13PALERMO66♣♥3-1-14
-4.6Round 7SECOND CHANCE65♣x♦A-4-4
-4.6Round 8KOREA-CHINA113N♥4+1-4
-4.7Round 11TRIJET164♠♦9+1+0
-5.0Round 3GRANT252♠x♥6-2-5
-5.4Round 12SHANGHAI YOUTH 5242♠♦7+1+0
-6.0Round 3GRANT223♣♥4+2-10
-6.5Round 12INDIA RED243N♥J=-11
-6.9Round 13SHANGHAI OCEAN103N♥K-2-8
-7.7Round 9KOREA-CHINA224♠♦6+1-6
-8.2Round 3GRANT283N♦7-2-12
-8.2Round 13SHANGHAI OCEAN44♠♣J-1-13
-8.4Round 4SH PANYU MIDDLE SCHOOL15♣♠10=-7
-8.4Round 13SHANGHAI OCEAN86♠♦Q=+11
-8.8Round 13SHANGHAI OCEAN14♠♠2-1-10
-9.0Round 7SECOND CHANCE55♠x♦2=-10
-10.0Round 3GRANT306♠x♦J-2-14
-10.7Round 12INDIA RED294♥x♠A-2-12
-11.1Round 11CHITLANGIA134♥x♠8-2-11
-11.9Round 5BEIJING BEI DI KE185♦x♥A-3-12
-13.0Round 5BEIJING BEI DI KE157♦♠J=-10
-13.8Round 8THAILAND/CBLT162Nx♦7+1-14