CHEN Yiyi · SHANGHAI YOUTH 2

168rank
+33.2Butler · 90 bds
+0.37per board
±4.3swing
+1.46vs par /bd · #13/672
+0.16adjusted /bd
Butler per round: -9.2 -1.8 12.1 15.1 -13.3 13.1 1.7 6 9.5by round

vs par split: bidding -0.12 · play +0.13

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted +0.16/bd

Card play — on target: opening leads 61.5% #641 of 671 · declarer play 70.0% #510 of 671 · defence 86.7% #277 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·61.5% (13)
Declarer play·70.0% (20)
Defence·86.7% (30)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 80.0% (5) · ♦ 0.0% (1) · ♣ 66.7% (6)

vs par by strain: a suit +0.02 (60)

vs par by level: part-score -1.31 (29) · game -1.36 (25) · slam +12.17 (6)

By role: declaring -0.21/bd (-1.90 vs par · 38) · defending +0.79/bd (+3.90 vs par · 52)

By vulnerability: vulnerable +0.56/bd (+1.86 vs par · 50) · not vulnerable +0.13/bd (+0.95 vs par · 40)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2B.ZhaoJ.Carruthers – F.HofferClosed10-9.2-0.92+2.60
Round 3X.ZhangJ.Lv – G.CaiClosed10-1.8-0.18+1.40
Round 6Z.ChenT.Yongchareon – P.MaijarernClosed10+12.1+1.21+2.30
Round 7B.ZhaoJ.He – G.LinOpen10+15.1+1.51+2.90
Round 8B.ZhaoJ.Li – L.LinOpen10-13.3-1.33-0.80
Round 9B.ZhaoR.Wang – H.LiOpen10+13.1+1.31+0.80
Round 10B.ZhaoA.Haitani – S.SuhendroOpen10+1.7+0.17-1.40
Round 12B.ZhaoV.Svangsopakul – V.ChinmanasOpen10+6.0+0.60+1.20
Round 13B.ZhaoS.Iyengar – J.GoenkaClosed10+9.5+0.95+4.10

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
+12.4Round 3BEIJING-HONGKONG296♦♣A=+12
+10.0Round 7HUATIE HAIXING85♣xx♥Q-2+14
+10.0Round 9TRIJET213N♦4-2+12
+9.2Round 6THAILAND/CBLT303N♣6=+7
+8.4Round 13INDIA RED103N♠2=+10
+7.7Round 13INDIA RED87♠♦Q-2+17
+7.4Round 12THAILAND/RBSC276♥♦Q-1+12
+7.1Round 6THAILAND/CBLT252♦♥6-3+10
+6.6Round 10DJARUM BLACK25♦x♥Q=+4
+5.3Round 6THAILAND/CBLT216♥♣A-1+11
+5.3Round 8GUANGDONG113N♥3-1+8
+5.1Round 10DJARUM BLACK63♠♣A+2+6
+4.7Round 7HUATIE HAIXING56♠x♣Q-1+7
+4.5Round 13INDIA RED66♣♦2-1+14
+4.2Round 9TRIJET294♠♥K-3+5
+4.1Round 3BEIJING-HONGKONG274N♠Q-2+6
+3.5Round 12THAILAND/RBSC303♥♦A=+0
+3.2Round 12THAILAND/RBSC263♥♣8=+0
+3.1Round 12THAILAND/RBSC282♠♦K+1+7
+3.0Round 9TRIJET244♠x♥2-3-4
+2.6Round 7HUATIE HAIXING22N♦9-1+5
+2.6Round 10DJARUM BLACK83♠♣J-1-1
+2.4Round 8GUANGDONG181N♥Q-1+4
+2.3Round 3BEIJING-HONGKONG234♠♥10+1+0
+1.9Round 2BARAN143N♠3+4+17
+1.9Round 7HUATIE HAIXING74♠♥6-1+6
+1.9Round 9TRIJET274♥♠A-1+5
+1.8Round 6THAILAND/CBLT243N♠K-1+5
+1.7Round 2BARAN203N♥6+1+13
+1.6Round 2BARAN183♠♠5-1+4
+1.5Round 2BARAN191N♠6+2+1
+1.3Round 13INDIA RED74♥♣A+1+0
+1.2Round 10DJARUM BLACK33♥♥6+1+1
+1.2Round 13INDIA RED14♠♣4=+0
+1.1Round 8GUANGDONG162♠♥A+1+0
+1.0Round 12THAILAND/RBSC212♥♦6+2+2
+1.0Round 13INDIA RED94♠♣6+2+1
+0.9Round 3BEIJING-HONGKONG252N♥10=+1
+0.9Round 8GUANGDONG152♥♦Q=-1
+0.5Round 12THAILAND/RBSC233N♠A-1+6
+0.4Round 9TRIJET252♠♥A-1-3
+0.3Round 3BEIJING-HONGKONG211N♣10+1+1
+0.2Round 6THAILAND/CBLT273N♦K-1+5
+0.2Round 7HUATIE HAIXING44♥♠9=+1
+0.2Round 9TRIJET231N♥4+1+0
+0.2Round 10DJARUM BLACK71N♦7=+9
-0.0Round 6THAILAND/CBLT223♦♦2-2-5
-0.0Round 10DJARUM BLACK102♠♣5=+0
-0.1Round 2BARAN174♠♣A-2+7
-0.1Round 7HUATIE HAIXING14♥♦4=-1
-0.2Round 12THAILAND/RBSC242♥♦A-2-6
-0.2Round 12THAILAND/RBSC253N♦K+1+5
-0.3Round 10DJARUM BLACK54♠♦9+2-11
-0.4Round 9TRIJET285♦♥9+1+5
-0.5Round 3BEIJING-HONGKONG241N♣10+2+0
-0.6Round 8GUANGDONG173N♥7=+6
-0.7Round 7HUATIE HAIXING103♥♣Q=+0
-0.8Round 13INDIA RED33N♦5+2+0
-0.9Round 6THAILAND/CBLT292♦♣7+1+0
-0.9Round 7HUATIE HAIXING64♥♣3+1+0
-0.9Round 8GUANGDONG134♠♠3+2-7
-1.0Round 6THAILAND/CBLT283N♥10+3-1
-1.0Round 10DJARUM BLACK42♠♣3-1-5
-1.1Round 7HUATIE HAIXING94♥♠8=-11
-1.1Round 8GUANGDONG142♥♠3=+0
-1.5Round 7HUATIE HAIXING31N♣Q-3+8
-1.5Round 9TRIJET303♠♥Q=+0
-1.5Round 13INDIA RED53N♠6+3+12
-1.6Round 2BARAN133♠♣2-1-6
-1.6Round 9TRIJET222♠♦6+3-6
-1.7Round 2BARAN154♥♣5+1+0
-1.7Round 3BEIJING-HONGKONG223N♠4+2+4
-1.9Round 2BARAN111N♥4+1+0
-2.1Round 6THAILAND/CBLT233♥♣A+2-2
-2.7Round 8GUANGDONG192♣♥5-2+0
-3.1Round 9TRIJET264♠♠6-1-6
-3.3Round 3BEIJING-HONGKONG303N♣3=+6
-3.6Round 10DJARUM BLACK12♣♦K-3-6
-4.1Round 13INDIA RED24♥♦8+1+0
-4.4Round 12THAILAND/RBSC292♠♥Q+1-6
-5.1Round 2BARAN163N♣10-3-6
-5.5Round 2BARAN123♠♥9-3-4
-7.1Round 3BEIJING-HONGKONG284♥♠4+1-6
-7.5Round 6THAILAND/CBLT263♠♥9+1-7
-7.9Round 12THAILAND/RBSC223N♥5+3-8
-8.0Round 8GUANGDONG123N♦4=-6
-8.2Round 13INDIA RED44♠♣J-1-13
-9.1Round 10DJARUM BLACK95♥x♠2-1-11
-9.2Round 3BEIJING-HONGKONG264♦♣K=-10
-9.7Round 8GUANGDONG204♠♣7-1-12