CHEN Yiyi · CHINA ORANGE TEAM

71rank
+3.3Butler · 105 bds
+0.03per board
±4.6swing
+0.22vs par /bd · #57/132
+0.02adjusted /bd
Butler per round: 5.1 18.6 4.8 2.4 -7.9 7.4 6.6 -4 -20.4 13 -10.1 -33.9 8.7 16.4 -3.4by round

vs par split: bidding -0.32 · play +0.54

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.02/bd

Card play — on target: opening leads 75.9% #96 of 132 · declarer play 52.2% #126 of 132 · defence 87.9% #46 of 132

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (8)71.4% (21)
Declarer play50.0% (6)52.9% (17)
Defence89.5% (19)87.2% (39)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 62.5% (8) · ♦ 100.0% (9) · ♣ 50.0% (8)

vs par by strain: NT +1.58 (31) · a suit -0.35 (74)

vs par by level: part-score +0.02 (50) · game +0.69 (51) · slam -3.25 (4)

By role: declaring +0.01/bd (-2.34 vs par · 47) · defending +0.05/bd (+2.29 vs par · 58)

By vulnerability: vulnerable -0.09/bd (-0.39 vs par · 54) · not vulnerable +0.16/bd (+0.86 vs par · 51)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.ZhaoG.Meng – Y.WuClosed7+5.1+0.73+2.29
Round 2B.ZhaoX.Wu – L.DongClosed7+18.6+2.66+1.00
Round 5B.ZhaoX.Deng – N.WangClosed7+4.8+0.69-0.86
Round 6B.ZhaoL.Wang – Y.ZhouClosed7+2.4+0.34+4.14
Round 7B.ZhaoSHEN (1) Qi – L.ZhouClosed7-7.9-1.13+1.00
Round 9B.ZhaoJ.Zhu – M.ZhouClosed7+7.4+1.06+1.43
Round 10B.ZhaoC.Fan – H.ZhuClosed7+6.6+0.94+3.29
Round 11B.ZhaoY.Hou – X.YuanClosed7-4.0-0.57-2.71
Round 12B.ZhaoZ.Lam – S.LianOpen7-20.4-2.91-2.57
Round 15B.ZhaoS.Shi – D.BerkowitzClosed7+13.0+1.86+3.00
Round 16B.ZhaoS.Willard – B.CronierOpen7-10.1-1.44-1.43
Round 18B.ZhaoM.Wortel – M.MichielsenClosed7-33.9-4.84-4.71
Round 20B.ZhaoL.Bojoh – J.TuejeClosed7+8.7+1.24-0.57
Round 22B.ZhaoJ.Park – Y.KimClosed7+16.4+2.34+0.43
Round 23B.ZhaoG.Nabil – L.ElyacoubiClosed7-3.4-0.49-0.43

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
+10.8Round 2KUNMING LIJIAN116♦♥K+1+1
+10.0Round 22SCITY34♠x♥6-4+12
+9.6Round 5CHINA PINK TEAM43NT♥2-1+12
+9.4Round 20PERTAMINA EP203NT♠A-2+13
+8.8Round 16JOEL224♥♣A-3+13
+7.8Round 15POLLACK201NT♠7-3+5
+6.9Round 23MOROCCAN WOMEN TEAM123NT♥6=+3
+6.4Round 1CHINESE TAIPEI RUYI63NT♦Q=+11
+6.0Round 2KUNMING LIJIAN106♦♣7-1+12
+5.9Round 6BEIJING SHARE SUN123NT♠2-2+11
+5.8Round 22SCITY24♠♥6-2+7
+5.4Round 15POLLACK184♥♦5-1+10
+5.3Round 15POLLACK194♥♠Q=+7
+4.6Round 10COFCO YALONG BAY144♠♦J-2+5
+4.2Round 6BEIJING SHARE SUN145♥♠A=+4
+4.0Round 5CHINA PINK TEAM13NT♥7=+0
+4.0Round 6BEIJING SHARE SUN103♣♠8-1+6
+4.0Round 22SCITY14♠♦4-2+0
+3.9Round 7CHINA YELLOW TEAM162♦♠10+3+10
+3.8Round 2KUNMING LIJIAN95♣♦A=+0
+3.8Round 18BAKER44♠x♦A-2+4
+3.7Round 7CHINA YELLOW TEAM182NT♦2-2+6
+3.5Round 9THE GOURMET PLACE61NT♥4=+11
+3.5Round 10COFCO YALONG BAY134♠♥6+2+17
+3.2Round 10COFCO YALONG BAY123♦♣2=+5
+3.2Round 20PERTAMINA EP184♦♣4-3+5
+2.9Round 9THE GOURMET PLACE73♥♠A+1+7
+2.9Round 10COFCO YALONG BAY92♠♥8=-1
+2.8Round 9THE GOURMET PLACE12♦♦5-4+6
+2.8Round 9THE GOURMET PLACE54♥♠K-1+5
+2.7Round 1CHINESE TAIPEI RUYI43♥♥6-1+6
+2.6Round 16JOEL262♠♣6+1+1
+2.4Round 12SINGAPORE272NT♠5=+7
+2.2Round 11SHANDONG152♠♥K+1+0
+2.0Round 11SHANDONG214♥♥5-1+5
+1.6Round 2KUNMING LIJIAN82♠♦A-1-2
+1.6Round 23MOROCCAN WOMEN TEAM143NT♦6=-2
+1.5Round 20PERTAMINA EP213♣♠K=+0
+1.3Round 2KUNMING LIJIAN134♥♦5+1+0
+1.1Round 22SCITY51NT♣2-1-1
+1.0Round 1CHINESE TAIPEI RUYI23NT♥10-1+5
+0.9Round 5CHINA PINK TEAM22♥♠10+1+0
+0.9Round 20PERTAMINA EP193NT♥6+1+0
+0.8Round 23MOROCCAN WOMEN TEAM93♣♦A-1+3
+0.6Round 5CHINA PINK TEAM32NT♠7-1+5
+0.5Round 1CHINESE TAIPEI RUYI31NT♦9+1+0
+0.5Round 22SCITY63♠♥K=-10
+0.4Round 11SHANDONG173NT♦4+2-11
+0.4Round 20PERTAMINA EP164♠♥K+1-13
+0.4Round 23MOROCCAN WOMEN TEAM103♥♠A-1+1
+0.2Round 7CHINA YELLOW TEAM204♥♦5+2-13
+0.2Round 18BAKER55♥♦A=-4
+0.2Round 20PERTAMINA EP175♦♠A=+1
+0.2Round 23MOROCCAN WOMEN TEAM113NT♠6-1+10
-0.0Round 16JOEL243♠♦A+1+6
-0.0Round 22SCITY72♦♣A+1+1
-0.1Round 9THE GOURMET PLACE32♠♣K-1+3
-0.1Round 15POLLACK172♠♥5-1+2
-0.2Round 1CHINESE TAIPEI RUYI51NT♣5+2+0
-0.4Round 5CHINA PINK TEAM66♣♠10+1-13
-0.4Round 7CHINA YELLOW TEAM192♣♥10=-1
-0.4Round 11SHANDONG184♥♣A=-1
-0.5Round 12SINGAPORE283NT♠J+2+1
-0.5Round 15POLLACK162♦♣K=+2
-0.6Round 5CHINA PINK TEAM74♠♦4=+0
-0.6Round 10COFCO YALONG BAY112♠♦2+1-1
-0.8Round 16JOEL282♥♠K-2-1
-1.0Round 18BAKER14♠♠2+1+0
-1.2Round 11SHANDONG164♥♠7+1+0
-1.3Round 1CHINESE TAIPEI RUYI12♦♠A-2-5
-1.6Round 9THE GOURMET PLACE22♥♣J+2-10
-1.6Round 10COFCO YALONG BAY81NT♠2=+1
-1.6Round 11SHANDONG192♠♦K=+0
-1.6Round 15POLLACK152♥♦A=+0
-1.8Round 6BEIJING SHARE SUN132♠♥A+1+0
-2.3Round 2KUNMING LIJIAN143♣♦K-1-4
-2.4Round 12SINGAPORE222♠♦A=-6
-2.5Round 12SINGAPORE253NT♣K+1+1
-2.6Round 2KUNMING LIJIAN122♦♥7+2+0
-2.9Round 9THE GOURMET PLACE41NT♣A=-12
-3.0Round 6BEIJING SHARE SUN114♣♦8-1-5
-3.1Round 6BEIJING SHARE SUN83NT♦J=+1
-3.3Round 15POLLACK211NT♣6=-5
-3.4Round 23MOROCCAN WOMEN TEAM82♠♥A=-6
-3.8Round 6BEIJING SHARE SUN93NT♣6+1+12
-3.9Round 7CHINA YELLOW TEAM213♠♥6=+0
-3.9Round 18BAKER32♥♠6=-5
-4.0Round 1CHINESE TAIPEI RUYI73NT♥J+2-1
-4.0Round 12SINGAPORE264♠♣5+1-10
-5.0Round 22SCITY44♠♣A-1-6
-5.2Round 16JOEL253♥♠3-3-6
-5.3Round 16JOEL234♠♣J-1-12
-5.4Round 10COFCO YALONG BAY104♥♦4=-3
-5.4Round 11SHANDONG204♥♦4-1-12
-5.6Round 7CHINA YELLOW TEAM172NT♦A-2-6
-5.8Round 7CHINA YELLOW TEAM154♠♣K=+11
-6.2Round 12SINGAPORE233NT♦K-1-6
-6.9Round 20PERTAMINA EP153NT♦4=-10
-7.2Round 12SINGAPORE244♠x♦A=-5
-8.5Round 18BAKER24♠♥Q+1+0
-9.3Round 5CHINA PINK TEAM54♥♣A=-10
-9.9Round 23MOROCCAN WOMEN TEAM133NT♥3-2-12
-10.2Round 16JOEL271♥x♣A=-11
-11.6Round 18BAKER76♥♣7=-13
-12.9Round 18BAKER65♣x♣7-4-15