🇹🇼 LAI Zi-Ming · CHINESE TAIPEI

51rank
+19.5Butler · 132 bds
+0.15per board
±4.5swing
-0.59vs par /bd · #88/108
+0.25adjusted /bd
Butler per round: -6.8 -5.2 -5.7 22.6 -19.9 -22.6 17.2 -17.1 34.8 2.9 19.3by round

vs par split: bidding -0.39 · play -0.20

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted +0.25/bd

Card play — on target: opening leads 90.6% #3 of 108 · declarer play 71.9% #53 of 108 · defence 77.6% #68 of 108

Bidding activity — not a pass: 39.6% #85 of 108 (147/371)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (10)86.4% (22)
Declarer play69.2% (13)73.7% (19)
Defence83.3% (18)75.5% (49)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 87.5% (8) · ♦ 81.8% (11) · ♣ 100.0% (7)

vs par by strain: NT +0.15 (39) · a suit -0.90 (93)

vs par by level: part-score -2.51 (65) · game +0.68 (59) · slam +5.62 (8)

By role: declaring -0.43/bd (-4.05 vs par · 65) · defending +0.71/bd (+2.76 vs par · 67)

By vulnerability: vulnerable -0.11/bd (-0.88 vs par · 67) · not vulnerable +0.42/bd (-0.29 vs par · 65)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.ChenT.Roekdeetawekoon – S.JittariyapongOpen12-6.8-0.57-2.17
Round 3D.ChenK.Mak – M.CaiOpen12-5.2-0.43-3.00
Round 4D.ChenT.Gungor – D.AkyurekOpen12-5.7-0.48-2.17
Round 6D.ChenH.Sepp – E.OrmaOpen12+22.6+1.88+1.00
Round 8D.ChenE.Xiao – J.XiaoOpen12-19.9-1.66-3.83
Round 10D.ChenT.Xiao – M.YangOpen12-22.6-1.88-4.25
Round 12D.ChenK.Kisielewski – J.MichalskiClosed12+17.2+1.43+2.92
Round 13D.ChenD.Balof – E.DermanClosed12-17.1-1.43-0.67
Round 15D.ChenM.Larsen – P.HammelevOpen12+34.8+2.90+4.67
Round 18D.ChenZ.Zhang – X.TangOpen12+2.9+0.24-1.92
Round 19D.ChenS.Lillejord – J.BrekkeOpen12+19.3+1.61+2.92

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
+12.7Round 18🇨🇳 CHINA256♥x♣T-1+13
+10.9Round 12🇵🇱 POLAND174♦♥4-5+12
+9.7Round 15🇩🇰 DENMARK74♠♣8-2+8
+9.6Round 15🇩🇰 DENMARK36♠♥J-2+13
+8.6Round 19🇳🇴 NORWAY53NT♠5=+10
+8.3Round 15🇩🇰 DENMARK113NT♥2-4+15
+7.7Round 19🇳🇴 NORWAY124♠♦T-1+11
+7.2Round 6🇪🇪 ESTONIA174♠♦4-1+10
+6.9Round 6🇪🇪 ESTONIA214♥♠2-3+7
+6.8Round 13🇺🇸 USA2104♥♥7=+1
+6.7Round 18🇨🇳 CHINA214♥♦K=+0
+6.0Round 3🇭🇰 HONG KONG CHINA116♣♥J=-2
+6.0Round 12🇵🇱 POLAND233♦♣K-2+7
+5.8Round 3🇭🇰 HONG KONG CHINA74♠♣A-1+6
+5.8Round 13🇺🇸 USA233NT♠T-1+10
+5.7Round 10🇨🇦 CANADA174♠♣8+2+2
+5.4Round 12🇵🇱 POLAND261NT♥2=+12
+5.3Round 6🇪🇪 ESTONIA223NT♦8=+0
+5.2Round 1🇹🇭 THAILAND72NT♥4-2+7
+5.1Round 6🇪🇪 ESTONIA164♠♣8+3+17
+4.9Round 15🇩🇰 DENMARK93♣♦K+1+11
+4.8Round 4🇹🇷 TURKIYE234♠♥J+1-13
+4.6Round 1🇹🇭 THAILAND114♠x♦5-1+5
+4.2Round 19🇳🇴 NORWAY106NT♠A-1+13
+3.9Round 6🇪🇪 ESTONIA153♠♥A+2+6
+3.6Round 15🇩🇰 DENMARK54♠♦Q+1+0
+3.5Round 8🇺🇸 USA1214♠♣A=+3
+3.3Round 10🇨🇦 CANADA152♥♦8-1+5
+3.3Round 15🇩🇰 DENMARK44♠x♥J-1+7
+3.1Round 12🇵🇱 POLAND214♠♦3=-1
+2.8Round 4🇹🇷 TURKIYE253♠♦3+2+2
+2.7Round 3🇭🇰 HONG KONG CHINA34♠♣8+2+1
+2.7Round 4🇹🇷 TURKIYE242♠♣K=-7
+2.7Round 12🇵🇱 POLAND166NT♠4+1+11
+2.5Round 12🇵🇱 POLAND253NT♦3=+10
+2.4Round 19🇳🇴 NORWAY91NT♦3+2+1
+2.3Round 1🇹🇭 THAILAND97♦x♠4-3-5
+2.3Round 13🇺🇸 USA273♠♥2=+0
+2.2Round 4🇹🇷 TURKIYE174♠♣K-2+11
+2.2Round 12🇵🇱 POLAND223♠♥4-1+10
+2.2Round 19🇳🇴 NORWAY44♠♦Q=-1
+2.0Round 15🇩🇰 DENMARK84♣♠5=+0
+1.9Round 10🇨🇦 CANADA224♥♦J-1+0
+1.9Round 15🇩🇰 DENMARK14♠♣T+1+0
+1.9Round 18🇨🇳 CHINA221NT♥K=+1
+1.8Round 3🇭🇰 HONG KONG CHINA13♥♣A=+1
+1.6Round 6🇪🇪 ESTONIA242NT♦4=+0
+1.6Round 15🇩🇰 DENMARK23NT♥A-1+5
+1.6Round 18🇨🇳 CHINA194♠♦A-1+6
+1.5Round 4🇹🇷 TURKIYE164♥♣6+1+0
+1.3Round 8🇺🇸 USA1253♠♣3=-7
+1.2Round 15🇩🇰 DENMARK64♠♥K+3-14
+1.1Round 1🇹🇭 THAILAND105♦♠Q-1+6
+1.1Round 18🇨🇳 CHINA243♥♣3=-7
+0.8Round 10🇨🇦 CANADA253NT♣J+2+1
+0.8Round 18🇨🇳 CHINA181NT♠4-1-3
+0.8Round 19🇳🇴 NORWAY114♠♣J-1+5
+0.7Round 6🇪🇪 ESTONIA204NT♠3+1-13
+0.7Round 19🇳🇴 NORWAY32♦♥7+1+1
+0.6Round 1🇹🇭 THAILAND45♣x♠K-2-4
+0.6Round 4🇹🇷 TURKIYE203NT♠Q+1+0
+0.5Round 12🇵🇱 POLAND204♥♠A+1+0
+0.3Round 13🇺🇸 USA2112♥♠3=-7
+0.0Round 19🇳🇴 NORWAY63♥♦9=+10
-0.1Round 1🇹🇭 THAILAND63♥♠6=-6
-0.1Round 3🇭🇰 HONG KONG CHINA53♠♦3=+0
-0.1Round 13🇺🇸 USA221♠♦7=-8
-0.3Round 6🇪🇪 ESTONIA195♥♦3=+0
-0.3Round 6🇪🇪 ESTONIA261NT♠3=+1
-0.3Round 13🇺🇸 USA261NT♠5+2-1
-0.3Round 19🇳🇴 NORWAY84♥♦8=-7
-0.5Round 8🇺🇸 USA1221NT♥6=+1
-0.5Round 18🇨🇳 CHINA152♥♦K+2-8
-0.6Round 3🇭🇰 HONG KONG CHINA22♣♥4=-5
-0.6Round 4🇹🇷 TURKIYE184♠♣T+1+0
-0.6Round 8🇺🇸 USA1174♥♣5+1+0
-0.6Round 8🇺🇸 USA1202NT♥5-2-8
-0.7Round 19🇳🇴 NORWAY23♦♣T=+0
-0.8Round 1🇹🇭 THAILAND123♠♠5+1-10
-0.9Round 6🇪🇪 ESTONIA232♠♦7+1-7
-0.9Round 18🇨🇳 CHINA203NT♥3=+2
-1.1Round 3🇭🇰 HONG KONG CHINA83NT♦5+1+0
-1.1Round 4🇹🇷 TURKIYE212♣♦K+3-6
-1.2Round 8🇺🇸 USA1183NT♣T-3-4
-1.3Round 3🇭🇰 HONG KONG CHINA92NT♥T-2+1
-1.3Round 6🇪🇪 ESTONIA253♦♠4-2+1
-1.3Round 10🇨🇦 CANADA204♥♣A-1-9
-1.5Round 1🇹🇭 THAILAND35♣♣7=+13
-1.6Round 3🇭🇰 HONG KONG CHINA62NT♦8-1-5
-1.6Round 8🇺🇸 USA1261NT♥J+2+10
-1.6Round 10🇨🇦 CANADA182♠♦8=-6
-1.7Round 15🇩🇰 DENMARK123NT♠6+2+11
-1.7Round 19🇳🇴 NORWAY72♠♣6+1-7
-1.9Round 1🇹🇭 THAILAND14♠♠3+2-1
-1.9Round 8🇺🇸 USA1232♠♦T=-6
-1.9Round 12🇵🇱 POLAND184♣♠K=-7
-1.9Round 13🇺🇸 USA243NT♠J+3-1
-2.1Round 18🇨🇳 CHINA162♠♥8=+0
-2.4Round 3🇭🇰 HONG KONG CHINA43♥♠A-1-5
-2.4Round 13🇺🇸 USA253♠♣T-1-4
-2.6Round 4🇹🇷 TURKIYE193♠♦Q=-1
-2.6Round 4🇹🇷 TURKIYE262♦♣A+2+0
-2.9Round 10🇨🇦 CANADA213NTx♦3-1-2
-3.2Round 8🇺🇸 USA1162♠♦5+1-1
-3.2Round 12🇵🇱 POLAND242NT♥2-1-4
-3.3Round 1🇹🇭 THAILAND53♥♥3=-10
-3.3Round 1🇹🇭 THAILAND82♠♥J+1-6
-3.5Round 13🇺🇸 USA213NT♥Q-4-3
-3.8Round 8🇺🇸 USA1193NT♠2+3-14
-3.8Round 12🇵🇱 POLAND152♦♠5=-5
-4.3Round 10🇨🇦 CANADA243♠♥A+3-13
-4.5Round 8🇺🇸 USA1243NT♥A-1-10
-4.5Round 13🇺🇸 USA2123♦♣3-1+3
-4.6Round 19🇳🇴 NORWAY14♠♥7+2-1
-4.7Round 10🇨🇦 CANADA162♥♣8+2-7
-5.0Round 10🇨🇦 CANADA194♠♥2-1-5
-5.1Round 10🇨🇦 CANADA262♠♦A-1-5
-5.3Round 6🇪🇪 ESTONIA183♣♣3+4-10
-5.8Round 4🇹🇷 TURKIYE154♠♦9=-1
-5.9Round 18🇨🇳 CHINA232NT♥7+1-10
-5.9Round 18🇨🇳 CHINA263♥♠5+1-10
-6.6Round 18🇨🇳 CHINA173♠♦8+1-7
-6.8Round 8🇺🇸 USA1152♠♣A+3-10
-7.2Round 3🇭🇰 HONG KONG CHINA103♦♠2-1-12
-7.2Round 3🇭🇰 HONG KONG CHINA123NT♥6-1-16
-7.2Round 12🇵🇱 POLAND192NT♣Q-3-10
-7.6Round 4🇹🇷 TURKIYE225♠♣4-1-11
-9.4Round 10🇨🇦 CANADA233NT♣6-1-12
-9.6Round 13🇺🇸 USA286♠♦K=+0
-9.6Round 15🇩🇰 DENMARK103NT♠5=+0
-9.7Round 1🇹🇭 THAILAND23♠♥A-3-15
-10.0Round 13🇺🇸 USA297♣♦9=+2