ZHANG Kun · BEIJING BEI DI KE

645rank
-54.4Butler · 110 bds
-0.49per board
±4.5swing
+0.37vs par /bd · #185/672
-0.37adjusted /bd
Butler per round: -4.4 -18 21.5 19.5 1.6 -0.9 13.3 -7.4 -21.6 -29.4 -28.6by round

vs par split: bidding +0.04 · play +0.26

Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted -0.37/bd

Card play — on target: opening leads 78.9% #412 of 671 · declarer play 72.7% #449 of 671 · defence 83.8% #387 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·78.9% (19)
Declarer play·72.7% (22)
Defence·83.8% (37)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 83.3% (6) · ♦ 85.7% (7) · ♣ 60.0% (5)

vs par by strain: a suit +0.30 (73)

vs par by level: part-score -0.23 (31) · game +0.13 (38) · slam +6.00 (4)

By role: declaring -0.11/bd (-1.37 vs par · 49) · defending -0.80/bd (+1.77 vs par · 61)

By vulnerability: vulnerable -0.67/bd (-0.41 vs par · 59) · not vulnerable -0.29/bd (+1.27 vs par · 51)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.LangJ.Goenka – S.IyengarClosed10-4.4-0.44-1.80
Round 3Y.WangH.Huang – Y.GuClosed10-18.0-1.80-0.10
Round 4S.LangY.Zhao – L.LinClosed10+21.5+2.15+2.30
Round 5S.LangZ.Chen – C.WangClosed10+19.5+1.95+2.90
Round 6S.LangM.Zhu – X.BaoClosed10+1.6+0.16+1.20
Round 7H.YangM.Askgaard – K.GjaldbaekOpen10-0.9-0.09+1.10
Round 8H.YangJ.Morse – B.KasleClosed10+13.3+1.33+0.80
Round 9X.LinJ.Russyan – A.JezioroClosed10-7.4-0.74+0.00
Round 10S.LangZ.He – J.HuClosed10-21.6-2.16-0.70
Round 11S.LangA.Madala – A.SementaClosed10-29.4-2.94-3.20
Round 13H.YangS.Smith – D.AckerleyClosed10-28.6-2.86+1.60

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
+11.8Round 9POLISH SENIORS286♦♠A=+11
+9.7Round 8COMPTON204♠♥K-1+12
+9.1Round 10JIANGSU95♥x♠2-1+11
+8.2Round 3SHANGHAI THINK CLUB283N♦6-2+12
+7.6Round 4BLUEMAROON84♠♦Q=+7
+7.3Round 7DENNOR84♥♣2=+12
+7.2Round 4BLUEMAROON45♦♣Q=-1
+5.7Round 5WONDERS INFO162N♣J-1+6
+5.5Round 9POLISH SENIORS231N♠7-1+6
+5.2Round 5WONDERS INFO133N♠2=+5
+4.9Round 5WONDERS INFO122♦♣A=+5
+4.7Round 1INDIA RED35N♠7=+0
+4.6Round 13GRANT44♠♠J+1+0
+4.5Round 9POLISH SENIORS253N♠5-2+8
+4.2Round 5WONDERS INFO193♠♥3=+6
+3.4Round 4BLUEMAROON92♠♣8+1+1
+3.3Round 6SHANGHAI SHENGTAOSHA242N♠K-2+6
+3.2Round 11LAVAZZA142♦♠3+4+15
+3.1Round 9POLISH SENIORS264♠♦8-1+6
+2.9Round 6SHANGHAI SHENGTAOSHA264♠♥Q+2+6
+2.9Round 11LAVAZZA154♠♣A-1-2
+2.7Round 3SHANGHAI THINK CLUB273N♠Q-1+5
+2.6Round 6SHANGHAI SHENGTAOSHA253♥♣K-1+6
+2.3Round 5WONDERS INFO184♠♣A-1+5
+2.3Round 8COMPTON122N♦4=-1
+2.1Round 4BLUEMAROON102♣♠7+1+0
+1.9Round 5WONDERS INFO142♠♣5+1+1
+1.6Round 5WONDERS INFO204♥♣2+1+0
+1.6Round 8COMPTON114♥x♣K-2+0
+1.5Round 8COMPTON182♠♣3=+0
+1.4Round 1INDIA RED93N♦2+2+0
+1.4Round 5WONDERS INFO172N♠2-1+4
+1.3Round 13GRANT74♥♣A+1+0
+1.2Round 11LAVAZZA132♥♠2=+1
+1.2Round 13GRANT14♠♦7=+0
+1.1Round 8COMPTON142♥♠3=+0
+1.0Round 4BLUEMAROON51N♦5-1-1
+0.9Round 8COMPTON134♠♥A+2+7
+0.8Round 4BLUEMAROON15♦♥5-1+4
+0.8Round 7DENNOR55♦♠7-1+3
+0.7Round 1INDIA RED42♥♠A+1+0
+0.6Round 1INDIA RED13♦♣K+2+7
+0.6Round 1INDIA RED24♠x♥3-2+0
+0.6Round 8COMPTON173N♥7=-6
+0.5Round 3SHANGHAI THINK CLUB293N♥K=-2
+0.5Round 4BLUEMAROON63♠♣10+1+10
+0.3Round 3SHANGHAI THINK CLUB212N♥9=+1
+0.3Round 4BLUEMAROON71N♥2=+2
+0.2Round 6SHANGHAI SHENGTAOSHA274♥♦K-1+5
+0.2Round 10JIANGSU53N♣J+3+10
+0.1Round 4BLUEMAROON23N♥8+1+0
+0.1Round 7DENNOR64♥♣J=+1
+0.0Round 1INDIA RED82Nx♣5-1+0
-0.0Round 6SHANGHAI SHENGTAOSHA283N♥10+2+0
+0.0Round 7DENNOR31N♣K-2+9
-0.0Round 10JIANGSU72N♣4-1-9
+0.0Round 10JIANGSU102♠♣5=+0
+0.0Round 13GRANT94♠♠2+1+0
-0.1Round 7DENNOR14♥♦5=-1
-0.1Round 7DENNOR94♥♦J+1-11
-0.4Round 6SHANGHAI SHENGTAOSHA233♥♦4=+0
-0.4Round 6SHANGHAI SHENGTAOSHA303N♠2-1-5
-0.5Round 10JIANGSU63N♦2=-1
-0.7Round 1INDIA RED104♥♠4+1-4
-0.7Round 7DENNOR102♥♠J+1+0
-0.8Round 7DENNOR44♥♠3+1+0
-0.8Round 13GRANT33N♦10+2+0
-0.9Round 6SHANGHAI SHENGTAOSHA292♦♦7+1+0
-0.9Round 8COMPTON152♠♦7=+1
-0.9Round 9POLISH SENIORS244♥♦5=+5
-1.0Round 6SHANGHAI SHENGTAOSHA222♠♦Q+1-6
-1.1Round 8COMPTON162♠♥Q+1+0
-1.2Round 11LAVAZZA194♠♣J+1-1
-1.3Round 5WONDERS INFO112♠♦A=-5
-1.3Round 11LAVAZZA172N♣Q-1-4
-1.5Round 4BLUEMAROON33N♥9+1+1
-1.7Round 3SHANGHAI THINK CLUB223N♠2+2+4
-1.8Round 1INDIA RED54♠♦A-1-5
-2.4Round 8COMPTON193♦♦4=-5
-2.6Round 11LAVAZZA113N♥Q=+1
-2.8Round 11LAVAZZA122♥♦A-2-11
-2.9Round 10JIANGSU11N♦K=+0
-3.0Round 9POLISH SENIORS304♠♥Q-1-5
-3.0Round 11LAVAZZA184♣♠4=-1
-3.3Round 3SHANGHAI THINK CLUB303N♣9=+6
-3.4Round 1INDIA RED63♠♦2-2-3
-3.5Round 10JIANGSU25♦♦5=+0
-3.6Round 7DENNOR23♠♠A-2-2
-3.7Round 3SHANGHAI THINK CLUB265♦x♣K-1-3
-3.8Round 7DENNOR73♠♥3=+0
-4.1Round 13GRANT24♥♣5+1+0
-4.4Round 9POLISH SENIORS273♦♥3-3-7
-4.7Round 6SHANGHAI SHENGTAOSHA214♥♣A+1+0
-4.8Round 13GRANT105♦♥5-1-6
-5.0Round 9POLISH SENIORS212♠♣8+1-7
-6.0Round 10JIANGSU43♣♣J-2-3
-6.4Round 5WONDERS INFO156♦♦J=+2
-6.5Round 1INDIA RED74♥♠4-1-13
-6.5Round 3SHANGHAI THINK CLUB251Nx♥10-1-7
-6.5Round 13GRANT63N♥6+2+11
-6.9Round 3SHANGHAI THINK CLUB243N♣K+1-7
-7.1Round 9POLISH SENIORS224♠♣Q=-5
-7.6Round 3SHANGHAI THINK CLUB233♠♥2+2-10
-8.0Round 10JIANGSU83Nx♣2-2-5
-8.4Round 13GRANT86♠♠4=+11
-10.0Round 10JIANGSU34♠♠6=-10
-11.1Round 13GRANT56♦♥6=+0
-11.9Round 9POLISH SENIORS294♠x♥K-3-12
-12.4Round 11LAVAZZA206N♦9-1-17
-13.4Round 11LAVAZZA166N♥3=-13