🇨🇳 CHENG Zhiyu · CHINA

17rank
+17.0Butler · 70 bds
+0.24per board
±5.6swing
-0.69vs par /bd · #25/34
+0.65adjusted /bd
Butler per round: -22.2 -6.2 19 46.6 -20.2by round

vs par split: bidding -1.11 · play +0.43

Strength of schedule: opponents averaged +0.41/bd (a tough draw) → opponent-adjusted +0.65/bd

Card play — on target: opening leads 72.2% #22 of 34 · declarer play 76.9% #15 of 34 · defence 69.7% #29 of 34

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)76.9% (13)
Declarer play62.5% (8)83.3% (18)
Defence70.0% (10)69.6% (23)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 60.0% (5) · ♦ 66.7% (3) · ♣ 85.7% (7)

vs par by strain: NT -1.19 (21) · a suit -0.47 (49)

vs par by level: part-score +0.53 (19) · game -1.00 (43) · slam -1.88 (8)

By role: declaring +0.67/bd (-3.05 vs par · 37) · defending -0.23/bd (+1.97 vs par · 33)

By vulnerability: vulnerable -0.58/bd (-2.06 vs par · 35) · not vulnerable +1.06/bd (+0.69 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ShenRESHWADITHYA V B – ITHIKHASH AOpen14-22.2-1.59-2.93
Round 2J.ShenL.Bellicaud – T.GuilleminOpen14-6.2-0.44-1.93
Round 5J.ShenA.Sandin – S.ClementssonClosed14+19.0+1.36+1.50
Round 6J.ShenG.Giubilo – G.GiubiloClosed14+46.6+3.33+2.86
Round 7J.ShenJ.Patreuha – P.PatreuhaClosed14-20.2-1.44-2.93

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
+15.4Round 5🇸🇪 SWEDEN283♠x♣K-5+15
+12.0Round 6🇮🇹 ITALY64♥♠6=+13
+10.8Round 6🇮🇹 ITALY14♥♦A=+11
+10.2Round 5🇸🇪 SWEDEN163♠x♣A-3+5
+10.0Round 6🇮🇹 ITALY94♠♥4-1+10
+8.6Round 1🇮🇳 INDIA52♠♣9=+11
+8.4Round 2🇫🇷 FRANCE185♣♥A=+0
+8.2Round 6🇮🇹 ITALY143NTx♥5-3+12
+7.2Round 5🇸🇪 SWEDEN216♦♣K-1+12
+6.8Round 2🇫🇷 FRANCE283NT♣J+2+1
+6.4Round 6🇮🇹 ITALY114♥♦3+1+0
+6.0Round 2🇫🇷 FRANCE273NT♥Q=+0
+5.4Round 7🇵🇱 POLAND254♠♦A+1+0
+5.2Round 6🇮🇹 ITALY23NT♠10-2+2
+5.2Round 7🇵🇱 POLAND161NT♣6+1-10
+4.4Round 1🇮🇳 INDIA113♥♠3=+0
+4.0Round 1🇮🇳 INDIA22♠♦3=+6
+4.0Round 6🇮🇹 ITALY43NT♠3=+10
+2.6Round 7🇵🇱 POLAND263♠♣Q+1-10
+2.4Round 5🇸🇪 SWEDEN245♠♦4=+0
+2.2Round 1🇮🇳 INDIA33NT♦Q-3+2
+2.2Round 1🇮🇳 INDIA133NT♠2+1-12
+2.2Round 2🇫🇷 FRANCE254♠♦K=+0
+1.2Round 2🇫🇷 FRANCE204♥♦10-2+7
+1.2Round 5🇸🇪 SWEDEN194♠♥K=+0
+1.2Round 5🇸🇪 SWEDEN275♣♠3+1+11
+1.2Round 6🇮🇹 ITALY53NT♥3-3+9
+1.0Round 7🇵🇱 POLAND153♠♣A=+1
+0.8Round 5🇸🇪 SWEDEN204♣♠3=+8
+0.8Round 7🇵🇱 POLAND232♦♠J+1-1
+0.6Round 1🇮🇳 INDIA74♣♦4+1+10
+0.6Round 6🇮🇹 ITALY82NT♦3=+0
+0.4Round 7🇵🇱 POLAND284♠♣Q-1-5
+0.2Round 6🇮🇹 ITALY74♥♠Q+2-13
+0.2Round 6🇮🇹 ITALY106♥♥6=+0
+0.2Round 6🇮🇹 ITALY124♥♣A=-1
-0.0Round 2🇫🇷 FRANCE193♦♦2-1+1
-0.0Round 5🇸🇪 SWEDEN254♠♣K+1+0
-0.2Round 1🇮🇳 INDIA62♠♦K-2-11
-0.4Round 5🇸🇪 SWEDEN173NT♠K-2-5
-0.4Round 7🇵🇱 POLAND192♠♦J-1+4
-1.0Round 1🇮🇳 INDIA13NT♣5+4-14
-1.0Round 2🇫🇷 FRANCE223♦♣7+1+0
-1.0Round 7🇵🇱 POLAND243♣♦6=-1
-1.2Round 5🇸🇪 SWEDEN224♥♦Q+2-1
-2.2Round 2🇫🇷 FRANCE176♥♦5=+0
-2.4Round 2🇫🇷 FRANCE213NT♠9+2-1
-2.4Round 5🇸🇪 SWEDEN263NT♠8+1+0
-3.0Round 1🇮🇳 INDIA126NT♠10=+13
-3.2Round 2🇫🇷 FRANCE234♥♣7+1-1
-3.4Round 1🇮🇳 INDIA144♠♣9-2-5
-3.4Round 7🇵🇱 POLAND273NT♠3=+1
-3.8Round 1🇮🇳 INDIA94♠♣9+1-1
-4.0Round 7🇵🇱 POLAND183NT♦K-2+0
-4.2Round 5🇸🇪 SWEDEN154♠♣6+1+0
-4.2Round 6🇮🇹 ITALY35♦♣A-1-13
-4.6Round 2🇫🇷 FRANCE162NT♦4-1-5
-4.6Round 2🇫🇷 FRANCE264♥♣K-1-12
-4.6Round 7🇵🇱 POLAND174♥♠9-2-6
-5.0Round 5🇸🇪 SWEDEN183NT♠6+2-11
-5.2Round 2🇫🇷 FRANCE153NT♥J+4-10
-5.2Round 7🇵🇱 POLAND214♠♣A-1-5
-6.2Round 5🇸🇪 SWEDEN233♥♣A=-13
-6.2Round 7🇵🇱 POLAND225♠♣J-1-9
-7.6Round 2🇫🇷 FRANCE243NT♥2=-7
-8.2Round 6🇮🇹 ITALY134♥♠4=+0
-8.6Round 1🇮🇳 INDIA86♥♠A=-10
-10.8Round 7🇵🇱 POLAND206♠♥6=+0
-11.6Round 1🇮🇳 INDIA106♠♣4=-13
-12.6Round 1🇮🇳 INDIA46♣♦4-1-17