🇹🇼 LIU Chang-Kae · CHINESE TAIPEI

65rank
-59.5Butler · 160 bds
-0.37per board
±5.2swing
-0.34vs par /bd · #62/86
-0.15adjusted /bd
Butler per round: -0.8 7.3 22 -27.3 -22.5 32.2 1.8 -32 -16 -24.2by round

vs par split: bidding -0.46 · play +0.12

Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted -0.15/bd

Card play — on target: opening leads 81.6% #41 of 86 · declarer play 80.0% #13 of 86 · defence 85.3% #30 of 86

Card play by contract type — on target
vs NTvs a suit
Opening leads69.2% (13)88.0% (25)
Declarer play92.3% (13)75.0% (32)
Defence85.7% (28)85.1% (47)

Opening leads by suit led: ♠ 63.6% (11) · ♥ 100.0% (8) · ♦ 100.0% (8) · ♣ 72.7% (11)

vs par by strain: NT +0.38 (55) · a suit -0.71 (105)

vs par by level: part-score -0.21 (52) · game -0.12 (99) · slam -3.44 (9)

By role: declaring -1.21/bd (-3.05 vs par · 84) · defending +0.55/bd (+2.66 vs par · 76)

By vulnerability: vulnerable -0.65/bd (-0.28 vs par · 80) · not vulnerable -0.10/bd (-0.40 vs par · 80)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ChungN.Fitzgibbon – A.MesburOpen16-0.8-0.05-0.81
Round 3J.ChungG.Bartolacelli – M.BertazzoniClosed16+7.3+0.46+0.81
Round 4J.ChungM.Ware – G.TislevollClosed16+22.0+1.38+0.94
Round 6J.ChungP.Pratas – N.DamasoClosed16-27.3-1.71-2.69
Round 7J.ChungS.Sester – V.LevenkoClosed16-22.5-1.41-1.50
Round 9J.ChungC.Fung – L.CheungClosed16+32.2+2.01+3.75
Round 11J.ChungM.Figueiredo – E.D'OrsiClosed16+1.8+0.11+1.19
Round 12J.ChungE.Rodwell – J.MeckstrothClosed16-32.0-2.00-2.44
Round 14J.ChungP.Toffier – D.PilonClosed16-16.0-1.00-2.25
Round 15J.ChungC.Balicki – A.ZmudzinskiClosed16-24.2-1.51-0.38

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
+12.5Round 9🇭🇰 CHINA HONG KONG93NT♥J-1+17
+12.2Round 12🇺🇸 USA266♠♦2-2+13
+12.1Round 9🇭🇰 CHINA HONG KONG34♥♠7-1+12
+10.9Round 4🇳🇿 NEW ZEALAND193NT♥A=+11
+10.8Round 1🇮🇪 IRELAND134♠x♣A-3+7
+9.6Round 1🇮🇪 IRELAND151NT♣Q-5+9
+9.4Round 3🇸🇲 SAN MARINO45♥♣A-3+10
+8.8Round 3🇸🇲 SAN MARINO64♥♦K=+13
+8.5Round 15🇵🇱 POLAND124♠♣5=+7
+8.2Round 9🇭🇰 CHINA HONG KONG153NT♣7-1+10
+8.0Round 11🇧🇷 BRAZIL24♠x♣K-2+2
+7.8Round 11🇧🇷 BRAZIL134♠x♥7+1+8
+6.6Round 1🇮🇪 IRELAND113NT♥7+2+8
+6.5Round 1🇮🇪 IRELAND53NT♣A-1-1
+6.5Round 14🇫🇷 FRANCE235♣♠6+1-1
+6.4Round 1🇮🇪 IRELAND13NT♠J-1+14
+6.3Round 4🇳🇿 NEW ZEALAND303NT♣J+2+1
+6.1Round 4🇳🇿 NEW ZEALAND243NT♣6-1+10
+5.8Round 11🇧🇷 BRAZIL44♥♣4-1+12
+5.5Round 12🇺🇸 USA213♦♠5=+0
+5.4Round 15🇵🇱 POLAND14♠♦K-1+5
+5.2Round 7🇪🇪 ESTONIA33♣♣9+2+8
+5.2Round 7🇪🇪 ESTONIA61NT♠A=+6
+5.2Round 7🇪🇪 ESTONIA84♥♠10+3+14
+5.2Round 11🇧🇷 BRAZIL66♣x♦7-2+10
+4.8Round 4🇳🇿 NEW ZEALAND284♠♣5-1+5
+4.8Round 15🇵🇱 POLAND73♠♠Q=+10
+4.7Round 6🇵🇹 PORTUGAL224♠♥3=+3
+4.7Round 15🇵🇱 POLAND134♠♥7+2+13
+4.3Round 7🇪🇪 ESTONIA164♥x♦A-3+14
+3.8Round 6🇵🇹 PORTUGAL253NT♦3=+10
+3.7Round 3🇸🇲 SAN MARINO71♥♦A+1+6
+3.7Round 3🇸🇲 SAN MARINO163♦♠A-1+4
+3.6Round 6🇵🇹 PORTUGAL173♦♥5=+5
+3.6Round 15🇵🇱 POLAND23NT♥4=+0
+3.4Round 6🇵🇹 PORTUGAL233♣♥K+1+0
+3.2Round 3🇸🇲 SAN MARINO23NT♦6-2+7
+3.1Round 14🇫🇷 FRANCE314♠♥7-1-6
+2.6Round 3🇸🇲 SAN MARINO34♣♥A=+0
+2.4Round 9🇭🇰 CHINA HONG KONG123♣-2+0
+2.2Round 3🇸🇲 SAN MARINO123NT♥J+2+0
+2.2Round 9🇭🇰 CHINA HONG KONG131NT♦6-1+6
+1.8Round 4🇳🇿 NEW ZEALAND214♠♥T-1+5
+1.8Round 6🇵🇹 PORTUGAL203NT♣8+2-13
+1.8Round 7🇪🇪 ESTONIA104♠♦4+1+0
+1.8Round 15🇵🇱 POLAND93NT♠4+2+0
+1.7Round 4🇳🇿 NEW ZEALAND254♥♣2+1-11
+1.7Round 9🇭🇰 CHINA HONG KONG13NT♥6-3+7
+1.6Round 4🇳🇿 NEW ZEALAND273♣♠2+1-7
+1.5Round 9🇭🇰 CHINA HONG KONG144♠♣8=+0
+1.5Round 9🇭🇰 CHINA HONG KONG164♠♦2-3-2
+1.5Round 12🇺🇸 USA174♠♦T=+0
+1.5Round 12🇺🇸 USA234♥♥5=+3
+1.4Round 9🇭🇰 CHINA HONG KONG115♣♠7+1+11
+1.3Round 14🇫🇷 FRANCE272♠♠6+2+6
+1.2Round 9🇭🇰 CHINA HONG KONG63NT♣7+2+1
+1.2Round 11🇧🇷 BRAZIL94♠♣Q+2+11
+1.0Round 11🇧🇷 BRAZIL122♠♠5-1-1
+0.9Round 9🇭🇰 CHINA HONG KONG54♠♣A+1+2
+0.8Round 12🇺🇸 USA274♠♣5+1+0
+0.7Round 4🇳🇿 NEW ZEALAND173♠♣7=+7
+0.7Round 14🇫🇷 FRANCE293NT♠6-1+6
+0.5Round 4🇳🇿 NEW ZEALAND312NT♥7-2-1
+0.5Round 9🇭🇰 CHINA HONG KONG82♥♦K-1+4
+0.5Round 11🇧🇷 BRAZIL33NT♠10-1+5
+0.5Round 11🇧🇷 BRAZIL81NT♥6+1-1
+0.4Round 7🇪🇪 ESTONIA113NT♠10+1+0
+0.2Round 1🇮🇪 IRELAND93NT♠J+3-13
+0.2Round 3🇸🇲 SAN MARINO51NT♣6=+11
+0.2Round 3🇸🇲 SAN MARINO114♦♥Q-1+3
+0.2Round 14🇫🇷 FRANCE194♠♦Q+1+0
+0.1Round 4🇳🇿 NEW ZEALAND234♥♣8=+0
-0.0Round 1🇮🇪 IRELAND141NTx♥4-1+1
+0.0Round 4🇳🇿 NEW ZEALAND204♥♠K+1+0
-0.0Round 11🇧🇷 BRAZIL161♠♣10+3+6
-0.1Round 12🇺🇸 USA294♠♥4+1+0
-0.2Round 1🇮🇪 IRELAND83NT♦4=-2
-0.2Round 14🇫🇷 FRANCE181NT♥3-1-3
-0.2Round 14🇫🇷 FRANCE303NT♣6+1-11
-0.3Round 15🇵🇱 POLAND64♠♦J+1+0
-0.4Round 7🇪🇪 ESTONIA74♥♦A+1+0
-0.4Round 11🇧🇷 BRAZIL15♣♥A=+2
-0.4Round 14🇫🇷 FRANCE224♠♦3+1+0
-0.4Round 14🇫🇷 FRANCE283NT♠5+1+0
-0.5Round 4🇳🇿 NEW ZEALAND323♥♣A-1+3
-0.6Round 15🇵🇱 POLAND81NT♥2-2+0
-0.8Round 11🇧🇷 BRAZIL102♠♦5-1-6
-0.8Round 12🇺🇸 USA224♥♠8+2-11
-0.9Round 1🇮🇪 IRELAND163♦♥9-1-11
-0.9Round 7🇪🇪 ESTONIA13NT♠2+1-11
-0.9Round 9🇭🇰 CHINA HONG KONG23NT♥2+1+1
-0.9Round 11🇧🇷 BRAZIL74♥♦5+1+0
-1.0Round 6🇵🇹 PORTUGAL323NT♠5=-2
-1.0Round 7🇪🇪 ESTONIA154♥♣3-1+1
-1.2Round 1🇮🇪 IRELAND21NT♦7-2+1
-1.5Round 7🇪🇪 ESTONIA52♦♥3-1-6
-1.7Round 3🇸🇲 SAN MARINO84♣♠A=+0
-1.7Round 14🇫🇷 FRANCE253NT♠Q+1-8
-1.8Round 3🇸🇲 SAN MARINO11NT♠10+1-6
-1.8Round 6🇵🇹 PORTUGAL313NT♣2-2-6
-1.9Round 4🇳🇿 NEW ZEALAND181NT♦7+1-1
-1.9Round 6🇵🇹 PORTUGAL191NT♦7=-5
-2.0Round 1🇮🇪 IRELAND104♥♠A-2-3
-2.2Round 4🇳🇿 NEW ZEALAND292♠♦6=-6
-2.2Round 6🇵🇹 PORTUGAL302♥♦A-2+0
-2.2Round 14🇫🇷 FRANCE243♠♥J=-1
-2.3Round 9🇭🇰 CHINA HONG KONG72♠♦A+1-1
-2.3Round 14🇫🇷 FRANCE203♣♣5=+0
-2.3Round 14🇫🇷 FRANCE323♣♥K-2+1
-2.4Round 7🇪🇪 ESTONIA132♠♥3-1+0
-2.4Round 15🇵🇱 POLAND116♠x♦A-3-7
-2.5Round 4🇳🇿 NEW ZEALAND222NT♠3-2-1
-2.6Round 3🇸🇲 SAN MARINO93♦♠A+2+7
-2.7Round 6🇵🇹 PORTUGAL274♠♦K-1-4
-2.8Round 12🇺🇸 USA324♠♣K+1+0
-3.0Round 1🇮🇪 IRELAND36♣♥2=+11
-3.0Round 12🇺🇸 USA303NT♣T+2+0
-3.2Round 3🇸🇲 SAN MARINO102♦♠4=-11
-3.2Round 9🇭🇰 CHINA HONG KONG41NT♠3+1+0
-3.5Round 6🇵🇹 PORTUGAL244♠x♥A-1-5
-3.6Round 7🇪🇪 ESTONIA44♠♥Q=-3
-3.6Round 11🇧🇷 BRAZIL113♠♥J-1-5
-3.7Round 11🇧🇷 BRAZIL52♥♦A+2-6
-3.8Round 6🇵🇹 PORTUGAL214♥♦A=+0
-3.8Round 12🇺🇸 USA246♦♣Q-1-11
-3.8Round 15🇵🇱 POLAND43NT♣3=+13
-4.3Round 14🇫🇷 FRANCE174♠♥J-1-5
-4.5Round 6🇵🇹 PORTUGAL283NT♥9-2-11
-4.5Round 12🇺🇸 USA203NT♥7=+0
-4.5Round 12🇺🇸 USA283♥♦2=+0
-4.7Round 15🇵🇱 POLAND33NT♠A-3-9
-4.8Round 1🇮🇪 IRELAND65♣♠10=+0
-4.8Round 3🇸🇲 SAN MARINO144♥♦A+2-14
-5.0Round 3🇸🇲 SAN MARINO134♥♦J-3-9
-5.1Round 14🇫🇷 FRANCE263NT♥7=+1
-5.4Round 4🇳🇿 NEW ZEALAND262♦♣A+3+0
-5.4Round 7🇪🇪 ESTONIA144♥♠3-1-10
-5.5Round 15🇵🇱 POLAND143NT♥A=+0
-5.5Round 15🇵🇱 POLAND154♥♦4-1-5
-6.0Round 6🇵🇹 PORTUGAL183NT♦9-2-6
-6.5Round 12🇺🇸 USA194♥♠4=+0
-6.6Round 7🇪🇪 ESTONIA96♦x♠Q-2-12
-6.7Round 12🇺🇸 USA312♣x♦5=-13
-6.7Round 15🇵🇱 POLAND163NT♠J-3-9
-6.8Round 1🇮🇪 IRELAND74♠♥K-1-9
-7.1Round 11🇧🇷 BRAZIL143NT♠5=-7
-7.5Round 9🇭🇰 CHINA HONG KONG102♦♠9-2-8
-7.6Round 3🇸🇲 SAN MARINO153NT♥8-4-8
-8.2Round 6🇵🇹 PORTUGAL293NT♣8=+0
-8.7Round 14🇫🇷 FRANCE213♦♠T+3-15
-9.0Round 6🇵🇹 PORTUGAL264♥x♠10-1-9
-9.8Round 12🇺🇸 USA256♥♣6-1-11
-10.2Round 15🇵🇱 POLAND55♥♠J-1-11
-10.8Round 1🇮🇪 IRELAND126♠♥6-1-11
-11.0Round 12🇺🇸 USA184♠x♥K=-9
-11.2Round 1🇮🇪 IRELAND45♣x♠A-3-14
-11.2Round 7🇪🇪 ESTONIA124♠♥Q-1-12
-11.6Round 7🇪🇪 ESTONIA26♣♠K-1-13
-11.7Round 11🇧🇷 BRAZIL154♥♠5+1-11
-13.3Round 15🇵🇱 POLAND104♠x♥Q-5-13