🇹🇼 CHEN Li-Jen · CHINESE TAIPEI

83rank
-10.5Butler · 256 bds
-0.04per board
±4.5swing
-0.49vs par /bd · #112/137
+0.01adjusted /bd
Butler per round: 13.5 -2 1.3 -24.5 -22.7 -10.7 -10.7 -26.6 8.3 -0.2 -2.1 -15.4 40.2 25.7 8.5 6.9by round

vs par split: bidding -0.46 · play -0.02

Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted +0.01/bd

Card play — on target: opening leads 62.3% #137 of 137 · declarer play 78.1% #39 of 137 · defence 89.5% #16 of 137

Card play by contract type — on target
vs NTvs a suit
Opening leads52.6% (19)67.6% (34)
Declarer play73.1% (26)81.6% (38)
Defence91.4% (35)88.6% (79)

Opening leads by suit led: ♠ 56.5% (23) · ♥ 54.5% (11) · ♦ 80.0% (10) · ♣ 66.7% (9)

vs par by strain: NT -1.45 (80) · a suit -0.03 (175)

vs par by level: part-score +0.79 (92) · game -1.37 (147) · slam +0.38 (16)

By role: declaring +0.08/bd (-2.60 vs par · 141) · defending -0.19/bd (+2.10 vs par · 115)

By vulnerability: vulnerable -0.05/bd (-0.86 vs par · 128) · not vulnerable -0.03/bd (-0.12 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.SoJ.Mcavoy – C.McavoyOpen16+13.5+0.84-0.81
Round 3H.SoS.Wu – Z.XieClosed16-2.0-0.12-0.25
Round 4H.SoA.Gerasimov – O.VorobeychikovaClosed16+1.3+0.08-1.25
Round 5H.SoI.Grzejdziak – S.GrzejdziakClosed16-24.5-1.53-2.44
Round 6H.SoC.Krefeld – J.HammelevOpen16-22.7-1.42-1.81
Round 7H.SoM.Balint – B.MarinaClosed16-10.7-0.67+1.38
Round 8H.SoJ.Rombaut – D.GaviardClosed16-10.7-0.67-1.31
Round 10H.SoJ.Campos – S.De MelloClosed16-26.6-1.66-3.75
Round 15H.SoR.Khandelwal – H.KhandelwalClosed16+8.3+0.52+0.50
Round 17H.SoH.Weinstein – C.BjerkanClosed16-0.2-0.01+0.12
Round 18H.SoN.Rechtman – R.HindsOpen16-2.1-0.13-0.81
Round 19H.SoF.Brown – M.ByrneClosed16-15.4-0.96-2.31
Round 20H.SoJ.Bethers – M.RomanovskaOpen16+40.2+2.51+4.31
Round 21H.SoM.Kacimi – H.IraqiOpen16+25.7+1.61+0.56
Round 22H.SoK.Plengsap – K.JanebunjongOpen16+8.5+0.53-0.62
Round 23H.SoA.Rosenthal – D.RosenbergOpen16+6.9+0.43+0.62

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
+15.8Round 8🇫🇷 FRANCE317♦♥A-2+17
+14.2Round 23🇺🇸 USA 2134♠x♥A-4+15
+11.8Round 15🇮🇳 INDIA62♥x♦5=+13
+9.9Round 20🇱🇻 LATVIA285♦♥K-4+15
+9.8Round 20🇱🇻 LATVIA234♠♦10-2+13
+9.8Round 21🇲🇦 MOROCCO144♥♣J+1+7
+9.2Round 21🇲🇦 MOROCCO21♠♦J-3+11
+8.8Round 15🇮🇳 INDIA43NT♠Q-4+11
+8.6Round 21🇲🇦 MOROCCO123NT♠4-1+6
+8.3Round 6🇩🇰 DENMARK294♥♣A-1+6
+8.1Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND36♦♠J+1-13
+8.0Round 5🇵🇱 POLAND103NT♦10=-1
+7.7Round 17🇺🇸 USA 1106♥♠2=+0
+7.7Round 20🇱🇻 LATVIA264♥♦10+1+13
+7.6Round 15🇮🇳 INDIA34♥♦6+1+1
+7.4Round 22🇹🇭 THAILAND254♠♥Q=+0
+7.0Round 17🇺🇸 USA 1156♥♣6=-9
+6.7Round 20🇱🇻 LATVIA276♥♣A=+10
+6.7Round 22🇹🇭 THAILAND206♣♠10=-2
+6.2Round 7🇷🇴 ROMANIA143NT♥7-1+10
+6.0Round 4🇷🇺 RUSSIA294♥♣3=-1
+5.9Round 17🇺🇸 USA 1132♠♦A-1+6
+5.7Round 7🇷🇴 ROMANIA93NT♠4+1+0
+5.6Round 18🇧🇧 BARBADOS314♥♠A+1+1
+5.5Round 3🇨🇳 CHINA35♦♥Q-1+5
+5.4Round 10🇧🇷 BRAZIL197NT♣6=+0
+5.3Round 1🇨🇦 CANADA123♣♦A-2+2
+5.3Round 20🇱🇻 LATVIA243♦♠K-4+7
+5.3Round 22🇹🇭 THAILAND225♥x♦K-1+11
+5.1Round 18🇧🇧 BARBADOS251NT♣3=+6
+5.0Round 1🇨🇦 CANADA111NT♠K=+0
+4.9Round 10🇧🇷 BRAZIL264♠♠A=+0
+4.7Round 15🇮🇳 INDIA154♥♦A-1+6
+4.7Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63NT♦Q-1+4
+4.5Round 18🇧🇧 BARBADOS293NT♠2=-2
+4.5Round 21🇲🇦 MOROCCO64♠♥6+1+11
+4.2Round 1🇨🇦 CANADA52♠♥3-1+5
+4.2Round 7🇷🇴 ROMANIA72♠♥J-2+2
+4.0Round 4🇷🇺 RUSSIA283NT♥Q=+7
+3.8Round 5🇵🇱 POLAND14♥♠7-2+11
+3.8Round 15🇮🇳 INDIA93♣♠7+1+7
+3.7Round 1🇨🇦 CANADA14♠♣A=+0
+3.7Round 20🇱🇻 LATVIA182NT♠2-1+0
+3.6Round 1🇨🇦 CANADA85♣♦J=-15
+3.4Round 20🇱🇻 LATVIA324♠x♣K-1+6
+3.4Round 21🇲🇦 MOROCCO116♦♥A=-2
+3.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND22♠♠3=+6
+3.2Round 3🇨🇳 CHINA53NT♦2+2+0
+3.2Round 23🇺🇸 USA 242♠♥A=+0
+3.1Round 1🇨🇦 CANADA134♠♦6=+17
+3.1Round 1🇨🇦 CANADA152♣♦Q=+5
+2.8Round 4🇷🇺 RUSSIA172♦♣J-2+6
+2.8Round 10🇧🇷 BRAZIL233NT♣2+1-1
+2.7Round 21🇲🇦 MOROCCO153NT♦6+2+1
+2.7Round 23🇺🇸 USA 2153♠♣7-1+5
+2.6Round 22🇹🇭 THAILAND175♦♣K+1-9
+2.5Round 4🇷🇺 RUSSIA314♥♣J+1+0
+2.4Round 10🇧🇷 BRAZIL323♦♠6-1+5
+2.4Round 17🇺🇸 USA 153NT♦9-2+13
+2.3Round 15🇮🇳 INDIA22♠x♦A-3+4
+2.2Round 7🇷🇴 ROMANIA23♥♣2+1+10
+2.2Round 8🇫🇷 FRANCE173NT♥A-1+5
+2.2Round 15🇮🇳 INDIA123♦♠6-1+0
+2.2Round 22🇹🇭 THAILAND303NT♦2+1+0
+2.1Round 7🇷🇴 ROMANIA154♠♥10+1+0
+2.1Round 18🇧🇧 BARBADOS193NT♦8+2+2
+2.1Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠♥8=+0
+2.1Round 21🇲🇦 MOROCCO31NT♦2-2-1
+2.1Round 22🇹🇭 THAILAND181NT♠5+1+0
+2.1Round 22🇹🇭 THAILAND262♠♥7+2+1
+2.1Round 23🇺🇸 USA 212♣♣4-1+3
+2.0Round 6🇩🇰 DENMARK304NT♠5=-1
+2.0Round 8🇫🇷 FRANCE294NT♥9+1-13
+2.0Round 17🇺🇸 USA 1123♦♠6+1+10
+2.0Round 18🇧🇧 BARBADOS302♥♦K=+5
+2.0Round 21🇲🇦 MOROCCO104♥♣2+1+0
+1.9Round 22🇹🇭 THAILAND313♥♠4=+8
+1.8Round 3🇨🇳 CHINA125♦♣K+1+13
+1.7Round 4🇷🇺 RUSSIA225♦♠K-3+7
+1.7Round 5🇵🇱 POLAND154♥♣5+1+0
+1.7Round 20🇱🇻 LATVIA213NT♠J+1+1
+1.6Round 23🇺🇸 USA 222♠♥4=-1
+1.5Round 18🇧🇧 BARBADOS284♥♥5=-1
+1.4Round 4🇷🇺 RUSSIA213NT♣7=-1
+1.4Round 8🇫🇷 FRANCE263♦♣6-2+2
+1.4Round 18🇧🇧 BARBADOS204♠♦9+2+1
+1.3Round 20🇱🇻 LATVIA193♠♥A-3+3
+1.3Round 20🇱🇻 LATVIA292♥♠2+2-10
+1.3Round 22🇹🇭 THAILAND293NT♠Q+2+0
+1.2Round 17🇺🇸 USA 112♦♣A-2+0
+1.1Round 23🇺🇸 USA 232NT♠3-2+5
+1.0Round 3🇨🇳 CHINA46♥♣5=+13
+1.0Round 4🇷🇺 RUSSIA234♥♦3+1-13
+1.0Round 6🇩🇰 DENMARK272NT♠Q-1+3
+1.0Round 8🇫🇷 FRANCE204♠♥Q+1+1
+1.0Round 8🇫🇷 FRANCE303NT♥3+2+1
+1.0Round 15🇮🇳 INDIA56♠♣A=+0
+0.9Round 3🇨🇳 CHINA163NT♥3+2+0
+0.9Round 7🇷🇴 ROMANIA124♥♣10-1+12
+0.9Round 10🇧🇷 BRAZIL213NT♦Q+3-11
+0.9Round 15🇮🇳 INDIA163♠♣K+1+2
+0.9Round 17🇺🇸 USA 133♣♠K-1-2
+0.8Round 7🇷🇴 ROMANIA103♥♣A+1+10
+0.8Round 23🇺🇸 USA 294♠♣3+1-12
+0.7Round 1🇨🇦 CANADA44♥♣6+1-13
+0.7Round 17🇺🇸 USA 162♦♦4+2+7
+0.7Round 20🇱🇻 LATVIA175♠♦A=+0
+0.7Round 21🇲🇦 MOROCCO13NT♥Q-1+3
+0.6Round 6🇩🇰 DENMARK232♦♥7+1-1
+0.6Round 6🇩🇰 DENMARK252♠♥7+1+0
+0.6Round 18🇧🇧 BARBADOS232♦♦8+1+0
+0.6Round 21🇲🇦 MOROCCO41NT♥6+2+1
+0.5Round 1🇨🇦 CANADA162♦♥5+2+7
+0.5Round 3🇨🇳 CHINA114♠♣K+1-11
+0.5Round 3🇨🇳 CHINA133NT♣2-1-6
+0.5Round 4🇷🇺 RUSSIA324♠♦6=+0
+0.5Round 6🇩🇰 DENMARK174♦♥7-3+7
+0.5Round 10🇧🇷 BRAZIL313♠♥9=+0
+0.5Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♣10+1+0
+0.5Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♠Q+4-14
+0.4Round 3🇨🇳 CHINA24♥♥2=+0
+0.4Round 5🇵🇱 POLAND61NT♣3-2-2
+0.4Round 5🇵🇱 POLAND71NT♠7+1+1
+0.4Round 10🇧🇷 BRAZIL174♥♣9=+0
+0.4Round 20🇱🇻 LATVIA253♠♠K=+2
+0.4Round 20🇱🇻 LATVIA304♥♣J+1+0
+0.3Round 1🇨🇦 CANADA23NT♠10+1+1
+0.3Round 6🇩🇰 DENMARK191NT♥J+3-2
+0.3Round 10🇧🇷 BRAZIL283NT♠8+2-10
+0.3Round 20🇱🇻 LATVIA311NT♠6+1+0
+0.2Round 4🇷🇺 RUSSIA262♥♠5=+6
+0.2Round 5🇵🇱 POLAND113♠♥Q-1+4
+0.1Round 1🇨🇦 CANADA91NT♠7=+1
+0.1Round 7🇷🇴 ROMANIA14♥♦10-1-2
-0.0Round 7🇷🇴 ROMANIA53♠♦3-1+10
-0.0Round 8🇫🇷 FRANCE323NT♠5+1+0
-0.0Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♦♦10+1+0
-0.0Round 21🇲🇦 MOROCCO54♥♣9+1+0
-0.0Round 22🇹🇭 THAILAND234♥♠3+1+0
-0.1Round 6🇩🇰 DENMARK325♣♥2=+2
-0.2Round 1🇨🇦 CANADA74♠x♣A-2-4
-0.3Round 6🇩🇰 DENMARK314♠♦5=-1
-0.3Round 22🇹🇭 THAILAND324♥♣10=+0
-0.4Round 17🇺🇸 USA 1145♥♦10=+0
-0.4Round 22🇹🇭 THAILAND286♥♣3+1-11
-0.5Round 4🇷🇺 RUSSIA204♠♠5+1+0
-0.6Round 3🇨🇳 CHINA13♦♥2-2+1
-0.6Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♠8+3-2
-0.7Round 5🇵🇱 POLAND162♠♠2=+0
-0.7Round 23🇺🇸 USA 2124♠♥3+2-1
-0.8Round 3🇨🇳 CHINA62♠♦6-1+4
-0.8Round 3🇨🇳 CHINA154♠♥10+1+0
-0.8Round 8🇫🇷 FRANCE272♥♦5=+0
-0.8Round 18🇧🇧 BARBADOS243NT♥2+1-1
-0.9Round 15🇮🇳 INDIA10Pass-4
-1.0Round 3🇨🇳 CHINA94♣♠A=-11
-1.0Round 5🇵🇱 POLAND94♠♦A+1-1
-1.0Round 6🇩🇰 DENMARK284♠♦7=+0
-1.0Round 18🇧🇧 BARBADOS274♥♦4+1+0
-1.0Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♠♥Q+1+8
-1.0Round 23🇺🇸 USA 266♠♥10+1+11
-1.1Round 3🇨🇳 CHINA72♥♦3-1+6
-1.1Round 8🇫🇷 FRANCE253NT♥8=+1
-1.1Round 23🇺🇸 USA 283♣♥A-2+0
-1.1Round 23🇺🇸 USA 2112♥♥3=+1
-1.2Round 17🇺🇸 USA 193NT♠4=+0
-1.3Round 8🇫🇷 FRANCE234♥♠6+1-13
-1.3Round 15🇮🇳 INDIA12♥♣2+2-6
-1.3Round 23🇺🇸 USA 2104♥♦7-2+9
-1.4Round 17🇺🇸 USA 173NT♠8+2+0
-1.5Round 4🇷🇺 RUSSIA305♣♦10+1-11
-1.6Round 4🇷🇺 RUSSIA253NT♣9+1-13
-1.6Round 6🇩🇰 DENMARK204♠♣3-1-12
-1.7Round 6🇩🇰 DENMARK183NT♥A+2-1
-1.7Round 7🇷🇴 ROMANIA61NT♦3+1+0
-1.7Round 15🇮🇳 INDIA114NT♠3+2+11
-1.8Round 4🇷🇺 RUSSIA185♠x♣8-1+0
-1.9Round 7🇷🇴 ROMANIA81NT♣2+1+0
-1.9Round 10🇧🇷 BRAZIL305♣♠J-1+2
-2.0Round 1🇨🇦 CANADA34♠♥2+1-13
-2.0Round 3🇨🇳 CHINA143NT♠8-1+2
-2.1Round 21🇲🇦 MOROCCO83♠♣6+1-7
-2.2Round 21🇲🇦 MOROCCO162♥♣5=-1
-2.3Round 5🇵🇱 POLAND22♠♦10-2-6
-2.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND151NT♦Q=-1
-2.4Round 7🇷🇴 ROMANIA163NT♥Q=+1
-2.4Round 10🇧🇷 BRAZIL223♦♠9+1-6
-2.4Round 17🇺🇸 USA 123NT♥7-3-7
-2.4Round 23🇺🇸 USA 274♠♥7-1-6
-2.5Round 1🇨🇦 CANADA65♦♠K-1-6
-2.6Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♠♦A-2-8
-2.6Round 23🇺🇸 USA 2143NT♦2-1-10
-2.7Round 5🇵🇱 POLAND134♠♣J-1-6
-2.7Round 18🇧🇧 BARBADOS171NT♠5=-6
-2.8Round 18🇧🇧 BARBADOS264♣♦A=+0
-2.9Round 8🇫🇷 FRANCE213♥♠A=-1
-2.9Round 21🇲🇦 MOROCCO91NT♥8=-5
-2.9Round 22🇹🇭 THAILAND273NT♠10=+0
-3.0Round 17🇺🇸 USA 1115♣♦K-3-1
-3.0Round 21🇲🇦 MOROCCO134♣♦6-1+1
-3.0Round 22🇹🇭 THAILAND194♥♣10=+0
-3.1Round 8🇫🇷 FRANCE183♠♣K-1+2
-3.2Round 5🇵🇱 POLAND143NT♣2-2-6
-3.3Round 10🇧🇷 BRAZIL244♥♦J-2-11
-3.3Round 18🇧🇧 BARBADOS212♥♠2=+0
-3.3Round 18🇧🇧 BARBADOS322NT♥6-1-6
-3.4Round 4🇷🇺 RUSSIA194♠♥2-2+6
-3.4Round 7🇷🇴 ROMANIA43♣♥A+1+0
-3.6Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♣J-1-5
-3.7Round 23🇺🇸 USA 2164♠♣7-1-9
-3.8Round 7🇷🇴 ROMANIA113NT♠6-2-6
-3.8Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND132NT♣2=+0
-3.9Round 6🇩🇰 DENMARK215♦♠3-1-8
-4.1Round 5🇵🇱 POLAND43♠♥J-1+0
-4.3Round 4🇷🇺 RUSSIA273♣♠K=-5
-4.3Round 17🇺🇸 USA 1162♥♦10+2-10
-4.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93♣♦K=-6
-4.5Round 5🇵🇱 POLAND84♠♣10=+0
-4.5Round 20🇱🇻 LATVIA224♥♠J+1+10
-4.7Round 3🇨🇳 CHINA105♥x♦K=-14
-4.7Round 10🇧🇷 BRAZIL184♥♦K-1+2
-4.8Round 1🇨🇦 CANADA103NT♥4+2+0
-4.8Round 3🇨🇳 CHINA81NT♥6+1-6
-4.9Round 23🇺🇸 USA 253NT♠8=+0
-5.1Round 6🇩🇰 DENMARK265♣♠K-1-1
-5.1Round 8🇫🇷 FRANCE246♦♠Q=+0
-5.4Round 18🇧🇧 BARBADOS225♣x♥A-1-5
-5.6Round 18🇧🇧 BARBADOS182♥♦10+2-7
-5.7Round 4🇷🇺 RUSSIA243NT♦J-1-8
-5.7Round 5🇵🇱 POLAND34♠♣2-1-12
-5.7Round 8🇫🇷 FRANCE225♦x♣J=-3
-5.7Round 8🇫🇷 FRANCE284♠♣5=-3
-5.8Round 10🇧🇷 BRAZIL203NT♠6-2-8
-5.8Round 15🇮🇳 INDIA145♣♦7-2-6
-5.9Round 5🇵🇱 POLAND123NT♥3+3-11
-6.4Round 10🇧🇷 BRAZIL294♠♥4=-10
-6.6Round 1🇨🇦 CANADA143NT♠5=+0
-7.0Round 7🇷🇴 ROMANIA35♠♣Q-1-13
-7.0Round 10🇧🇷 BRAZIL276♥♣K=+0
-7.0Round 15🇮🇳 INDIA133NT♠J-1-12
-7.3Round 17🇺🇸 USA 184♥x♦K-1+0
-7.3Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠x♥6-1-6
-7.7Round 15🇮🇳 INDIA74♥♠J=-10
-7.7Round 21🇲🇦 MOROCCO73NT♠K-1-16
-7.8Round 22🇹🇭 THAILAND216NT♣10=+0
-7.9Round 20🇱🇻 LATVIA203NT♠6+1-1
-8.0Round 17🇺🇸 USA 142♠♣A-3-5
-8.4Round 8🇫🇷 FRANCE194♠♥3+3-17
-8.7Round 22🇹🇭 THAILAND246♠♥A-1-8
-8.9Round 5🇵🇱 POLAND53NT♦3-1-10
-9.1Round 19🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♥♣5=+0
-10.1Round 6🇩🇰 DENMARK223NT♦4+1-7
-10.4Round 15🇮🇳 INDIA83♦x♠J-3-9
-12.2Round 6🇩🇰 DENMARK243♣x♦A=-13
-12.7Round 7🇷🇴 ROMANIA135♠x♣9-3-12
-12.7Round 10🇧🇷 BRAZIL251♠x♦K-4-12