🇹🇼 CHEN Kuan-Hsuan · CHINESE TAIPEI

31rank
+51.9Butler · 140 bds
+0.37per board
±4.4swing
+0.08vs par /bd · #39/66
+0.61adjusted /bd
Butler per round: 22.1 -6.6 -24.2 15.9 11.5 12.8 -14.2 17.9 1.5 15.2by round

vs par split: bidding +0.09 · play -0.09

Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +0.61/bd

Card play — on target: opening leads 70.7% #60 of 66 · declarer play 57.6% #57 of 66 · defence 85.1% #31 of 66

Card play by contract type — on target
vs NTvs a suit
Opening leads64.7% (17)75.0% (24)
Declarer play60.0% (5)57.1% (28)
Defence85.2% (27)85.0% (40)

Opening leads by suit led: ♠ 37.5% (8) · ♥ 72.7% (11) · ♦ 90.0% (10) · ♣ 75.0% (12)

vs par by strain: NT +1.12 (41) · a suit -0.35 (98)

vs par by level: part-score +0.31 (45) · game +0.04 (82) · slam -0.42 (12)

By role: declaring +0.89/bd (-2.31 vs par · 71) · defending -0.17/bd (+2.54 vs par · 69)

By vulnerability: vulnerable +0.75/bd (+0.56 vs par · 70) · not vulnerable -0.01/bd (-0.40 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.ChiuC.Mikkelsen – S.FroyseOpen14+22.1+1.58+0.64
Round 3Y.ChiuSRIDAR HINDU SREE – SRIDAR JAYASHREEOpen14-6.6-0.47-0.36
Round 5Y.ChiuB.Fu – H.LiOpen14-24.2-1.73-2.29
Round 6Y.ChiuM.Costa – G.BottaOpen14+15.9+1.14+1.57
Round 7Y.ChiuA.Szczypczyk – O.DlugoszOpen14+11.5+0.82-0.21
Round 8Y.ChiuN.Ozecoglu – O.EnginOpen14+12.8+0.91+0.86
Round 10Y.ChiuE.Moskovsky – L.TravisOpen14-14.2-1.01-1.50
Round 11Y.ChiuM.Bruijnsteen – D.Van DelftOpen14+17.9+1.28+1.64
Round 12Y.ChiuZ.Beko – A.FischerOpen14+1.5+0.11-0.86
Round 13Y.ChiuJ.De Tessieres – A.ThizyOpen14+15.2+1.09+1.29

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
+12.2Round 11🇳🇱 NETHERLANDS222♥x♣Q+1+13
+11.1Round 1🇳🇴 NORWAY46♣♥10=-2
+11.1Round 5🇨🇳 CHINA135♥♦A-1+12
+10.6Round 10🇦🇺 AUSTRALIA66♠♦10=+0
+10.1Round 1🇳🇴 NORWAY144♠♥2=+8
+8.4Round 11🇳🇱 NETHERLANDS205♦♠2-1+12
+8.0Round 7🇵🇱 POLAND116♥♦2=+0
+7.6Round 10🇦🇺 AUSTRALIA105♣♠A-3+10
+7.5Round 13🇫🇷 FRANCE12♥♣A+1+12
+7.2Round 8🇹🇷 TURKEY213NT♦10-2+11
+7.0Round 7🇵🇱 POLAND13♠x♦4-3+2
+6.2Round 6🇮🇹 ITALY262♥♠J=+12
+6.0Round 7🇵🇱 POLAND53♠♥J-2+9
+5.9Round 6🇮🇹 ITALY225♠♦A-1+9
+5.5Round 6🇮🇹 ITALY214♠♣A-1+5
+5.5Round 6🇮🇹 ITALY243NT♦Q-2+6
+5.2Round 7🇵🇱 POLAND23♠♦A=+0
+4.9Round 13🇫🇷 FRANCE124♦♣A+2+15
+4.8Round 1🇳🇴 NORWAY16♦♣2=-12
+4.3Round 1🇳🇴 NORWAY73NT♠4-1+12
+4.3Round 12🇭🇺 HUNGARY173NT♦4-2+5
+4.3Round 13🇫🇷 FRANCE134♥♠K-1+6
+4.0Round 8🇹🇷 TURKEY173NT♠8=-1
+3.9Round 1🇳🇴 NORWAY63NT♣4=+0
+3.5Round 5🇨🇳 CHINA114♥♣Q+1+0
+3.4Round 8🇹🇷 TURKEY224♥♠K+2-11
+3.4Round 11🇳🇱 NETHERLANDS244♥♣J+1-11
+3.4Round 11🇳🇱 NETHERLANDS263NT♠T=+0
+3.4Round 13🇫🇷 FRANCE94♥♥8-1+5
+3.2Round 10🇦🇺 AUSTRALIA52♥♦10+1+0
+3.2Round 11🇳🇱 NETHERLANDS213NT♠T=-1
+3.2Round 13🇫🇷 FRANCE104♠♣J=-1
+3.1Round 6🇮🇹 ITALY174♥♠J-1+5
+3.1Round 12🇭🇺 HUNGARY223NT♥3+1-11
+3.0Round 3🇮🇳 INDIA52♦♠K+2+0
+2.9Round 3🇮🇳 INDIA75♥♦7+1+1
+2.9Round 10🇦🇺 AUSTRALIA23♣♥A-1-7
+2.9Round 12🇭🇺 HUNGARY184♥♠8+2+14
+2.8Round 12🇭🇺 HUNGARY252♠♦2=+6
+2.7Round 3🇮🇳 INDIA23NT♣3-2+11
+2.7Round 7🇵🇱 POLAND126♣x♥A-2+0
+2.7Round 12🇭🇺 HUNGARY153NT♠10+1+0
+2.5Round 3🇮🇳 INDIA133♥♠4=+0
+2.5Round 5🇨🇳 CHINA64♠♥A-2+6
+2.5Round 6🇮🇹 ITALY192♠♠A=+0
+2.5Round 8🇹🇷 TURKEY275♥♠4-2+5
+2.4Round 7🇵🇱 POLAND42♠♥4=-1
+2.4Round 8🇹🇷 TURKEY263♦♣3+1+0
+2.2Round 13🇫🇷 FRANCE81NT♥10-1+2
+1.9Round 1🇳🇴 NORWAY133NT♠K+3-12
+1.9Round 7🇵🇱 POLAND73NT♥2+3-13
+1.8Round 1🇳🇴 NORWAY85♠x♥2-2+5
+1.7Round 12🇭🇺 HUNGARY204♥♠Q+1-13
+1.7Round 13🇫🇷 FRANCE114♥♣8+2-11
+1.5Round 6🇮🇹 ITALY182NT♣Q-1-1
+1.3Round 1🇳🇴 NORWAY104♠♦10=+1
+1.3Round 10🇦🇺 AUSTRALIA43♣♦Q+2+0
+1.2Round 3🇮🇳 INDIA34♥♦4+1+1
+1.2Round 11🇳🇱 NETHERLANDS253NT♣9=-1
+1.2Round 13🇫🇷 FRANCE42♥♦Q-2-10
+0.9Round 7🇵🇱 POLAND62♥♦3=+0
+0.9Round 11🇳🇱 NETHERLANDS164♥♣7+1+0
+0.8Round 6🇮🇹 ITALY161NT♣6=+11
+0.7Round 12🇭🇺 HUNGARY166♠♣2=+0
+0.6Round 3🇮🇳 INDIA124♠♣A-1+6
+0.6Round 11🇳🇱 NETHERLANDS233NT♠8=+0
+0.5Round 1🇳🇴 NORWAY94♠♣9+1-1
+0.5Round 5🇨🇳 CHINA42NT♠9+1+1
+0.5Round 5🇨🇳 CHINA124♥♣A=-1
+0.5Round 8🇹🇷 TURKEY164♥♣Q=+0
+0.4Round 13🇫🇷 FRANCE31NT♠A=+5
+0.3Round 6🇮🇹 ITALY284♠♣Q-1+5
+0.3Round 7🇵🇱 POLAND83♠♦5-4-6
+0.3Round 7🇵🇱 POLAND103NT♥Q+3+17
+0.2Round 12🇭🇺 HUNGARY192♠♣7+2-1
+0.1Round 6🇮🇹 ITALY204♠♥6=-13
+0.1Round 8🇹🇷 TURKEY281NT♥10=+1
+0.0Round 8🇹🇷 TURKEY193NT♦A+1+0
+0.0Round 8🇹🇷 TURKEY244♠♠4=+0
-0.3Round 5🇨🇳 CHINA75♥♠Q+1-13
-0.3Round 13🇫🇷 FRANCE144♠♥3-1+2
-0.5Round 1🇳🇴 NORWAY23♠♥5-1+2
-0.5Round 8🇹🇷 TURKEY204♥♣J-1+6
-0.5Round 12🇭🇺 HUNGARY243NT♠9=+0
-0.5Round 12🇭🇺 HUNGARY274♥♠A+1+0
-0.6Round 11🇳🇱 NETHERLANDS193NT♣J+1+0
-0.7Round 3🇮🇳 INDIA102♣♦A=-1
-0.7Round 3🇮🇳 INDIA113NT♥6+3+11
-0.8Round 8🇹🇷 TURKEY181NT♠5+1-6
-0.9Round 8🇹🇷 TURKEY234♠♦A+1+0
-1.0Round 10🇦🇺 AUSTRALIA133NT♥5+1+0
-1.1Round 7🇵🇱 POLAND132♥♣K+1-1
-1.3Round 5🇨🇳 CHINA94♠♥K=+0
-1.3Round 10🇦🇺 AUSTRALIA86♠♠7=+11
-1.4Round 3🇮🇳 INDIA91♠♦5+2-7
-1.5Round 11🇳🇱 NETHERLANDS274♠♦6=+0
-1.5Round 11🇳🇱 NETHERLANDS283NT♠T+2+0
-1.5Round 13🇫🇷 FRANCE22♠♥Q+1-7
-1.7Round 12🇭🇺 HUNGARY283NT♥K=+1
-1.8Round 3🇮🇳 INDIA42♣♦7-2-3
-1.8Round 6🇮🇹 ITALY274♥♠Q-1-10
-1.8Round 10🇦🇺 AUSTRALIA143NT♥2+1+0
-1.9Round 8🇹🇷 TURKEY151♠♥4-1+7
-1.9Round 10🇦🇺 AUSTRALIA12♠♣9+1+0
-1.9Round 12🇭🇺 HUNGARY214♥♣A-2-2
-2.2Round 5🇨🇳 CHINA106♥♥7+1-1
-2.3Round 1🇳🇴 NORWAY32NT♣6-2+0
-2.5Round 10🇦🇺 AUSTRALIA95♦♠A-2-5
-2.5Round 11🇳🇱 NETHERLANDS174♠+2+11
-2.5Round 12🇭🇺 HUNGARY263NT♥3+3-2
-2.7Round 5🇨🇳 CHINA53NT♥3-1+5
-2.8Round 6🇮🇹 ITALY153♠♣K=-1
-2.8Round 11🇳🇱 NETHERLANDS183♣♣9=-1
-2.9Round 5🇨🇳 CHINA81NT♠9+3-2
-3.0Round 3🇮🇳 INDIA1Adj.♥8-1
-3.0Round 13🇫🇷 FRANCE53♦♦8+1-7
-3.2Round 8🇹🇷 TURKEY254♥♥6+1+0
-3.4Round 3🇮🇳 INDIA83NT♣6-2-6
-3.5Round 3🇮🇳 INDIA64♠x♠9-1-6
-3.8Round 1🇳🇴 NORWAY114♥♠5-1-5
-4.1Round 13🇫🇷 FRANCE73NT♣3=+1
-4.7Round 13🇫🇷 FRANCE62♠♠K+1+6
-4.8Round 1🇳🇴 NORWAY126NT♠7+1+13
-5.0Round 3🇮🇳 INDIA145♥♣A=-11
-5.0Round 7🇵🇱 POLAND93♠♥10-3-5
-5.3Round 10🇦🇺 AUSTRALIA114♠♣2-1-5
-5.4Round 6🇮🇹 ITALY232♥♠J-2-7
-5.5Round 6🇮🇹 ITALY254♠♦K=+1
-5.6Round 5🇨🇳 CHINA34♥♣9-1-13
-6.0Round 7🇵🇱 POLAND143♠♥5-1-5
-6.1Round 10🇦🇺 AUSTRALIA72♠♣J-1-11
-6.2Round 1🇳🇴 NORWAY54♥♣9=+0
-6.5Round 11🇳🇱 NETHERLANDS153NT♥J=+1
-7.4Round 5🇨🇳 CHINA15♥x♣A-2-5
-7.5Round 10🇦🇺 AUSTRALIA127♥♥5-1-14
-9.1Round 5🇨🇳 CHINA23NT♥7=-12
-9.8Round 12🇭🇺 HUNGARY234♥x♠A-2-9
-10.8Round 5🇨🇳 CHINA144♥x♠A-3-9
-11.1Round 7🇵🇱 POLAND36NT♦J=+0
-12.4Round 10🇦🇺 AUSTRALIA36♣♦K=+0