🇹🇼 CHEN Yin-Shou · CHINESE TAIPEI

72rank
-21.2Butler · 196 bds
-0.11per board
±4.1swing
-0.76vs par /bd · #96/115
+0.03adjusted /bd
Butler per round: 5.4 -4.3 17.7 12 11.4 12.5 -5.5 -41.7 -4.7 -10.4 6.3 -20 10.8 -10.7by round

vs par split: bidding -0.86 · play +0.10

Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted +0.03/bd

Card play — on target: opening leads 83.3% #25 of 115 · declarer play 78.3% #34 of 115 · defence 86.7% #30 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (12)87.5% (24)
Declarer play75.0% (16)79.5% (44)
Defence76.0% (25)90.8% (65)

Opening leads by suit led: ♠ 90.9% (11) · ♥ 62.5% (8) · ♦ 77.8% (9) · ♣ 100.0% (8)

vs par by strain: NT -1.39 (54) · a suit -0.52 (142)

vs par by level: part-score -0.41 (64) · game -1.54 (115) · slam +3.18 (17)

By role: declaring -0.16/bd (-3.34 vs par · 105) · defending -0.05/bd (+2.22 vs par · 91)

By vulnerability: vulnerable -0.47/bd (-1.06 vs par · 98) · not vulnerable +0.25/bd (-0.46 vs par · 98)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.WangK.Ellingsen – H.EideClosed14+5.4+0.39+1.50
Round 3J.WangB.Szirmay-Kalos – K.LazarOpen14-4.3-0.31+0.21
Round 5J.WangZ.Grossack – A.GrossackClosed14+17.7+1.26+2.29
Round 6J.WangJ.Ong – S.NgOpen14+12.0+0.86+2.29
Round 9J.WangS.Coutts – S.BaileyOpen14+11.4+0.81+0.21
Round 10J.WangR.Ravichandran – S.KabraClosed14+12.5+0.89+0.21
Round 12J.WangM.Bielawski – S.NiajkoClosed14-5.5-0.39-3.50
Round 13J.WangS.Huang – T.WalshClosed14-41.7-2.98-3.79
Round 15J.WangP.Chan – L.LamOpen14-4.7-0.34-2.43
Round 16J.WangA.Stokka – S.HultClosed14-10.4-0.74-1.00
Round 18J.WangM.Santa Ana – F.Von BrudersdorffClosed14+6.3+0.45-1.43
Round 19J.WangC.Lorenzini – T.CoudertOpen14-20.0-1.43-2.57
Round 20J.WangA.Koivu – O.KoivuClosed14+10.8+0.77-1.14
Round 21J.WangY.Tao – Z.TangClosed14-10.7-0.76-1.50

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
+14.4Round 5🇺🇸 USA 176♦♥A-3+17
+12.9Round 9🇳🇿 NEW ZEALAND26♠x♦A-3+14
+11.7Round 5🇺🇸 USA 136♠♠6-1+20
+9.1Round 3🇩🇪 GERMANY83NT♣9=+6
+8.9Round 16🇸🇪 SWEDEN234♦x♣4-2+12
+8.5Round 6🇸🇬 SINGAPORE234♠♣5-1+12
+8.0Round 20🇫🇮 FINLAND246♥♠5-2+11
+7.8Round 12🇵🇱 POLAND283NT♥A=-1
+7.8Round 18🇦🇷 ARGENTINA202♥♠K+2+13
+6.4Round 3🇩🇪 GERMANY94♠♦5=+0
+6.2Round 10🇮🇳 INDIA213NT♠3=-1
+6.1Round 18🇦🇷 ARGENTINA253♥♦7+2+9
+5.9Round 3🇩🇪 GERMANY144♥♥4-1-2
+5.6Round 19🇫🇷 FRANCE143NT♦10-2+11
+5.5Round 3🇩🇪 GERMANY41NT♥2-1+5
+5.5Round 5🇺🇸 USA 1103♥♦6+2+10
+5.4Round 20🇫🇮 FINLAND164♠♦5=+7
+5.3Round 12🇵🇱 POLAND243NT♠3-1+10
+5.3Round 15🇭🇰 CHINA HONG KONG12♦♦6=+7
+5.1Round 21🇨🇳 CHINA74♠♥2-1+12
+5.1Round 21🇨🇳 CHINA144♠♣T-2+6
+4.9Round 6🇸🇬 SINGAPORE215♦♣K=+3
+4.8Round 18🇦🇷 ARGENTINA243NT♠5+2+1
+4.8Round 20🇫🇮 FINLAND183♥♦4+2+6
+4.7Round 2🇳🇴 NORWAY176♥♦5=+0
+4.6Round 9🇳🇿 NEW ZEALAND126♣x♥A-1+5
+4.6Round 16🇸🇪 SWEDEN184♥♠7+2+14
+4.5Round 6🇸🇬 SINGAPORE283NT♦7-2+6
+4.4Round 13🇨🇦 CANADA114♠♠5=+7
+4.1Round 9🇳🇿 NEW ZEALAND84♥♦2+1+0
+4.0Round 2🇳🇴 NORWAY153NT♥J+4+10
+4.0Round 21🇨🇳 CHINA117NT♦4=+0
+3.3Round 15🇭🇰 CHINA HONG KONG77♠♣Q=+0
+3.1Round 5🇺🇸 USA 1143♥♦4=+1
+3.1Round 13🇨🇦 CANADA41NT♥4+4+2
+3.0Round 10🇮🇳 INDIA263♥♠9-1+1
+2.8Round 6🇸🇬 SINGAPORE173NT♠K-3+6
+2.7Round 2🇳🇴 NORWAY264♥♣K-1+12
+2.5Round 5🇺🇸 USA 144♥♠3=+3
+2.4Round 15🇭🇰 CHINA HONG KONG84♠♣5-1+4
+2.4Round 18🇦🇷 ARGENTINA184♠♣A+2+11
+2.4Round 20🇫🇮 FINLAND263NT♦8+1+1
+2.2Round 9🇳🇿 NEW ZEALAND34NT♦J=+11
+2.1Round 15🇭🇰 CHINA HONG KONG132♥♦4+1+0
+2.0Round 13🇨🇦 CANADA64♠♣5+2-13
+2.0Round 21🇨🇳 CHINA132♦♦K-1-11
+1.9Round 9🇳🇿 NEW ZEALAND143♠♦K=+0
+1.9Round 10🇮🇳 INDIA173♦♠A+1+7
+1.9Round 19🇫🇷 FRANCE12♥♦7+3+6
+1.8Round 2🇳🇴 NORWAY234♥♥3=+0
+1.8Round 2🇳🇴 NORWAY272♠♦A-2+7
+1.8Round 6🇸🇬 SINGAPORE246♠♦Q-1+11
+1.7Round 10🇮🇳 INDIA223NT♠5+2+11
+1.7Round 16🇸🇪 SWEDEN212♥♦9=+6
+1.7Round 21🇨🇳 CHINA124♥♦5+1+1
+1.6Round 3🇩🇪 GERMANY74♥♠J+1+0
+1.6Round 15🇭🇰 CHINA HONG KONG144♠♦K+3+2
+1.6Round 19🇫🇷 FRANCE132♠♣J+2+2
+1.5Round 9🇳🇿 NEW ZEALAND44♠♥2-1-6
+1.4Round 18🇦🇷 ARGENTINA234♠♣Q=+1
+1.3Round 6🇸🇬 SINGAPORE263NT♠8+1+0
+1.3Round 10🇮🇳 INDIA281NT♥9=-1
+1.3Round 12🇵🇱 POLAND175♣♠A+2+2
+1.3Round 21🇨🇳 CHINA82♠♥6+1+1
+1.2Round 2🇳🇴 NORWAY243♦♥A=+0
+1.1Round 5🇺🇸 USA 163NT♠7+1+1
+1.1Round 15🇭🇰 CHINA HONG KONG104♠♦10=+0
+1.1Round 20🇫🇮 FINLAND214♠♦A=+0
+1.1Round 20🇫🇮 FINLAND254♣♥5-2-6
+1.0Round 10🇮🇳 INDIA204♥♣10-1-6
+1.0Round 10🇮🇳 INDIA254♥♠J=-1
+0.9Round 2🇳🇴 NORWAY192♠♥Q+1+0
+0.9Round 19🇫🇷 FRANCE53♠♣3-2-8
+0.8Round 20🇫🇮 FINLAND193♣♦Q+2-6
+0.6Round 6🇸🇬 SINGAPORE154♠♦A+1+0
+0.6Round 10🇮🇳 INDIA193NT♦K+1+0
+0.6Round 16🇸🇪 SWEDEN193♣♦7-2+1
+0.6Round 19🇫🇷 FRANCE114♥♣Q+1+0
+0.6Round 20🇫🇮 FINLAND154♥♦5+1+0
+0.5Round 6🇸🇬 SINGAPORE203NT♦7-1-3
+0.5Round 9🇳🇿 NEW ZEALAND73NT♠6+2-13
+0.5Round 10🇮🇳 INDIA181NT♠5+1+6
+0.5Round 18🇦🇷 ARGENTINA163NT♠3+4-14
+0.5Round 19🇫🇷 FRANCE94♠♦3+1+0
+0.5Round 20🇫🇮 FINLAND223NT♥9+1+0
+0.5Round 21🇨🇳 CHINA62♠♥Q=-1
+0.4Round 12🇵🇱 POLAND162♠♦J+1+0
+0.4Round 15🇭🇰 CHINA HONG KONG51NT♣9-1+2
+0.4Round 16🇸🇪 SWEDEN166♠♣9=+0
+0.3Round 5🇺🇸 USA 193NT♥K=-1
+0.3Round 15🇭🇰 CHINA HONG KONG63NT♣4+3-16
+0.2Round 12🇵🇱 POLAND274♠♥2=-11
+0.1Round 12🇵🇱 POLAND263NT♥7+2-13
+0.1Round 13🇨🇦 CANADA93♠♠Q+1-4
+0.1Round 16🇸🇪 SWEDEN204♥♠Q+1-13
+0.0Round 2🇳🇴 NORWAY183♣♥A+2+6
-0.0Round 6🇸🇬 SINGAPORE194♦x♦5-3+3
-0.0Round 10🇮🇳 INDIA234♠♥6=-1
-0.0Round 10🇮🇳 INDIA244♠♦7=+0
+0.0Round 15🇭🇰 CHINA HONG KONG124♠♦Q+1+0
+0.0Round 16🇸🇪 SWEDEN252♠♣A-1+2
-0.0Round 19🇫🇷 FRANCE34♠♥J-2+0
-0.1Round 3🇩🇪 GERMANY34♥♦5=+0
-0.1Round 18🇦🇷 ARGENTINA194♥♣9+2-11
-0.2Round 6🇸🇬 SINGAPORE224♥♦Q=-1
-0.2Round 19🇫🇷 FRANCE82♠♣Q+2-6
-0.2Round 20🇫🇮 FINLAND284♥♣5+1+0
-0.4Round 9🇳🇿 NEW ZEALAND132♥♣K=+0
-0.4Round 12🇵🇱 POLAND203NT♦2+1-12
-0.5Round 9🇳🇿 NEW ZEALAND104♠♥4+3+17
-0.6Round 18🇦🇷 ARGENTINA284♠♣K=+3
-0.7Round 3🇩🇪 GERMANY124♠♥K-1+6
-0.7Round 9🇳🇿 NEW ZEALAND92♥♠3=+0
-0.7Round 10🇮🇳 INDIA164♥♣5=+0
-0.7Round 13🇨🇦 CANADA143NT♥6=+1
-0.7Round 15🇭🇰 CHINA HONG KONG114♥♣4+1+0
-0.8Round 9🇳🇿 NEW ZEALAND62♥♣3=+0
-0.8Round 16🇸🇪 SWEDEN243NT♠10=+0
-0.8Round 16🇸🇪 SWEDEN275♥♠A=+0
-0.9Round 2🇳🇴 NORWAY204♥♦5-2-7
-0.9Round 18🇦🇷 ARGENTINA174♠♣5=+0
-1.0Round 2🇳🇴 NORWAY161NT♦5+2-1
-1.0Round 5🇺🇸 USA 113NT♥9+1+1
-1.0Round 5🇺🇸 USA 1113NT♦5+1+0
-1.1Round 10🇮🇳 INDIA153♥♠9-1-7
-1.1Round 12🇵🇱 POLAND254♥♠5+2-1
-1.1Round 21🇨🇳 CHINA13♦♥J+1+0
-1.2Round 3🇩🇪 GERMANY63♦♣4-1-1
-1.2Round 20🇫🇮 FINLAND172♦♥J+1+7
-1.3Round 16🇸🇪 SWEDEN283NT♠10+2-1
-1.4Round 12🇵🇱 POLAND194♥♣7=+0
-1.6Round 6🇸🇬 SINGAPORE254♠♣K+1+0
-1.7Round 2🇳🇴 NORWAY213NT♣A=-1
-1.8Round 3🇩🇪 GERMANY101NT♥2-1-1
-1.8Round 13🇨🇦 CANADA23♥♠2-1-10
-2.0Round 20🇫🇮 FINLAND275♠♣5-1-11
-2.2Round 2🇳🇴 NORWAY254♠♦K=+0
-2.2Round 16🇸🇪 SWEDEN264NT♣5+1-1
-2.2Round 18🇦🇷 ARGENTINA213NT♦4=+1
-2.3Round 15🇭🇰 CHINA HONG KONG23NT♥3-1-5
-2.4Round 5🇺🇸 USA 1124♠♣7+1-1
-2.4Round 9🇳🇿 NEW ZEALAND54♥♣J=-3
-2.4Round 18🇦🇷 ARGENTINA222♠♥8+1-7
-2.5Round 18🇦🇷 ARGENTINA153♥♠J-1-5
-2.6Round 13🇨🇦 CANADA53NT♣K-1-5
-2.6Round 21🇨🇳 CHINA52♥+1-1
-2.7Round 6🇸🇬 SINGAPORE275♣♦7+1-11
-2.7Round 12🇵🇱 POLAND216♥♠A=+0
-2.7Round 18🇦🇷 ARGENTINA262NT♦K-1-12
-2.8Round 19🇫🇷 FRANCE122♣♣K-3-5
-2.9Round 2🇳🇴 NORWAY221NT♣5-1-5
-2.9Round 10🇮🇳 INDIA275♥♣2-2-5
-2.9Round 12🇵🇱 POLAND233NT♥2+2-4
-3.0Round 2🇳🇴 NORWAY285♦♣J+1+0
-3.0Round 5🇺🇸 USA 184♥♠5=-1
-3.2Round 12🇵🇱 POLAND225♣x♦5-3-12
-3.3Round 3🇩🇪 GERMANY13♠♥K=-1
-3.3Round 21🇨🇳 CHINA42♠♣4+4+10
-3.5Round 6🇸🇬 SINGAPORE186♣♣9+1+2
-3.8Round 13🇨🇦 CANADA103♦♠A=+1
-4.0Round 12🇵🇱 POLAND184♠♥8+1-1
-4.0Round 15🇭🇰 CHINA HONG KONG32NT♠3=-6
-4.0Round 21🇨🇳 CHINA35♣♦5+1-13
-4.1Round 3🇩🇪 GERMANY52♠♥3+1-6
-4.1Round 5🇺🇸 USA 123♠♥10-3+2
-4.2Round 3🇩🇪 GERMANY134♥♥4-1-6
-4.3Round 20🇫🇮 FINLAND234♥♣4-1-12
-4.4Round 5🇺🇸 USA 152♥♦A-1-12
-4.5Round 19🇫🇷 FRANCE104♠♥10+1+0
-4.8Round 19🇫🇷 FRANCE42♦x♦9=-3
-4.9Round 6🇸🇬 SINGAPORE163♦♣K-3+4
-4.9Round 12🇵🇱 POLAND152♠♠5+1-6
-4.9Round 16🇸🇪 SWEDEN173NT♥2+1-8
-4.9Round 21🇨🇳 CHINA103NT♥Q=+0
-5.0Round 5🇺🇸 USA 1133NT♠5-2-8
-5.1Round 13🇨🇦 CANADA127♥♥5-1-14
-5.1Round 13🇨🇦 CANADA133NT♦6=+1
-5.3Round 9🇳🇿 NEW ZEALAND114♥♦3+2-11
-5.3Round 18🇦🇷 ARGENTINA274♥♦9-1-10
-5.6Round 15🇭🇰 CHINA HONG KONG45♦♥A-1-12
-5.6Round 19🇫🇷 FRANCE74♠x♣A-1-13
-6.0Round 13🇨🇦 CANADA36♣♥10=+0
-6.2Round 9🇳🇿 NEW ZEALAND12NT♠6-2-11
-6.2Round 20🇫🇮 FINLAND203NT♠Q+3-13
-6.3Round 19🇫🇷 FRANCE64♠♦4=-8
-6.3Round 21🇨🇳 CHINA23♠♦2+2-12
-6.9Round 16🇸🇪 SWEDEN226♦♠Q-2-14
-6.9Round 19🇫🇷 FRANCE25♠♦K-1-12
-7.6Round 13🇨🇦 CANADA74♥♣5-1-12
-8.0Round 13🇨🇦 CANADA14♠♥A=-7
-8.2Round 21🇨🇳 CHINA94♠♦2-2-13
-8.5Round 3🇩🇪 GERMANY23NT♥J=+1
-8.6Round 15🇭🇰 CHINA HONG KONG93♥♦A+2-10
-8.9Round 3🇩🇪 GERMANY116♣♠4=+2
-9.8Round 16🇸🇪 SWEDEN153NT♥2-1-12
-10.6Round 13🇨🇦 CANADA87NT♠2=+0