🇨🇳 LI Ziyu · CHINA

126rank
-83.0Butler · 120 bds
-0.69per board
±4.5swing
-0.72vs par /bd · #110/134
-0.87adjusted /bd
Butler per round: -7 2.1 -19.1 10.3 22.3 -21.4 -5.3 -18.6 -14.5 -31.8by round

vs par split: bidding -0.88 · play +0.15

Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -0.87/bd

Card play — on target: opening leads 73.0% #123 of 134 · declarer play 69.7% #110 of 134 · defence 80.0% #93 of 134

Bidding activity — not a pass: 42.0% #83 of 134 (146/348)

Card play by contract type — on target
vs NTvs a suit
Opening leads81.8% (11)69.2% (26)
Declarer play69.2% (13)70.0% (20)
Defence81.8% (22)79.2% (48)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 77.8% (9) · ♦ 53.8% (13) · ♣ 100.0% (6)

vs par by strain: NT +0.60 (40) · a suit -1.39 (80)

vs par by level: part-score -0.72 (40) · game -0.40 (76) · slam -7.00 (4)

By role: declaring -0.30/bd (-2.82 vs par · 50) · defending -0.97/bd (+0.77 vs par · 70)

By vulnerability: vulnerable -0.60/bd (-0.90 vs par · 60) · not vulnerable -0.79/bd (-0.55 vs par · 60)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3Y.LiaoE.Evacic – I.BilusicOpen12-7.0-0.58-0.92
Round 4Y.LiaoR.Nunez – S.SemberoizOpen12+2.1+0.18-0.67
Round 7Y.LiaoN.Khutorsky – A.ZeitakOpen12-19.1-1.59-0.67
Round 8Y.LiaoF.Chen – C.YangClosed12+10.3+0.86+1.00
Round 10Y.LiaoJ.Parsons – E.EdwardsClosed12+22.3+1.86+0.50
Round 11Y.LiaoF.Nishita – M.NakamutaOpen12-21.4-1.78-2.25
Round 12Y.LiaoO.Laufer – D.LiClosed12-5.3-0.44+0.42
Round 14Y.LiaoZ.Grossack – F.KolesnikOpen12-18.6-1.55-1.17
Round 15Y.LiaoG.Giubilo – G.GiubiloOpen12-14.5-1.21-1.67
Round 17Y.LiaoA.Lin – B.XiaoOpen12-31.8-2.65-1.83

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
+11.2Round 4🇦🇷 ARGENTINA154♠x♥T=+13
+10.6Round 12🇨🇦 CANADA194♣♦8-4+11
+9.4Round 10🇧🇧 BARBADOS203♥♦7+1+10
+7.7Round 10🇧🇧 BARBADOS144♠♦8=+3
+7.3Round 11🇯🇵 JAPAN93NT♦6-1+12
+7.2Round 10🇧🇧 BARBADOS213NT♣5+1+0
+6.8Round 4🇦🇷 ARGENTINA193NT♥6-1+10
+6.3Round 3🇭🇷 CROATIA54♠x♥2-1+8
+6.2Round 8🇹🇼 CHINESE TAIPEI203NT♦4-3+9
+6.0Round 14🇺🇸 USA1244♥♦7-1+10
+5.9Round 7🇮🇱 ISRAEL53NT♥T=+3
+5.7Round 4🇦🇷 ARGENTINA176NT♣5=+0
+5.6Round 15🇮🇹 ITALY74♠♥A+1-4
+5.3Round 8🇹🇼 CHINESE TAIPEI174♥♠A+1+0
+5.2Round 3🇭🇷 CROATIA103NT♥8-1+12
+4.8Round 8🇹🇼 CHINESE TAIPEI164♥♠5-1+12
+4.8Round 15🇮🇹 ITALY103NT♦2+1+0
+4.8Round 15🇮🇹 ITALY123NT♠3+2+4
+4.1Round 8🇹🇼 CHINESE TAIPEI143NT♠2-1+5
+4.1Round 14🇺🇸 USA1223NT♠7-1-5
+4.0Round 3🇭🇷 CROATIA115♦x♠K-3-7
+3.8Round 10🇧🇧 BARBADOS184♠♦5+1+4
+3.5Round 12🇨🇦 CANADA223NT♣A+2+1
+3.2Round 12🇨🇦 CANADA213♠♦4-2+0
+3.0Round 4🇦🇷 ARGENTINA163♣♠Q-1-3
+2.8Round 3🇭🇷 CROATIA83NT♠9=+7
+2.7Round 14🇺🇸 USA1233NT♥T=-1
+2.6Round 10🇧🇧 BARBADOS132NT♠7-2+8
+2.4Round 15🇮🇹 ITALY13NT♠6+2+2
+2.3Round 11🇯🇵 JAPAN14♥♦A-2+5
+2.3Round 17🇺🇸 USA293NT♠3-3+7
+2.1Round 10🇧🇧 BARBADOS222NT♠7-2+2
+1.7Round 14🇺🇸 USA1193♣♠J=+0
+1.3Round 17🇺🇸 USA2112♥♣3-1-2
+1.2Round 3🇭🇷 CROATIA32♠♦T-2-1
+1.2Round 17🇺🇸 USA2102♥♥5-1+1
+1.1Round 7🇮🇱 ISRAEL65♠♦6-2+11
+1.0Round 8🇹🇼 CHINESE TAIPEI134♥♣Q-1+6
+0.9Round 14🇺🇸 USA1161NT♦4+2+2
+0.8Round 12🇨🇦 CANADA232♠♣K+1+0
+0.7Round 4🇦🇷 ARGENTINA132♠♣Q=+1
+0.7Round 8🇹🇼 CHINESE TAIPEI244♦♠Q-1+4
+0.7Round 10🇧🇧 BARBADOS163♣♦6-2+0
+0.6Round 10🇧🇧 BARBADOS153NT♠K+2+0
+0.6Round 17🇺🇸 USA224♥♠K+1+0
+0.4Round 3🇭🇷 CROATIA91NT♣Q=+2
+0.4Round 8🇹🇼 CHINESE TAIPEI154♠♠4=+0
+0.3Round 8🇹🇼 CHINESE TAIPEI224♠♣7=+0
-0.0Round 4🇦🇷 ARGENTINA204♠♦J+1+0
+0.0Round 7🇮🇱 ISRAEL23♦♥5=-1
+0.0Round 8🇹🇼 CHINESE TAIPEI214♥♣Q+1+0
+0.0Round 10🇧🇧 BARBADOS231NT♠2+1+0
-0.3Round 7🇮🇱 ISRAEL114♥♣Q+2+11
-0.3Round 17🇺🇸 USA253NT♠4=+2
-0.5Round 7🇮🇱 ISRAEL13NT♥9=-2
-0.5Round 14🇺🇸 USA1153♦♥K-2+9
-0.7Round 4🇦🇷 ARGENTINA223NT♥Q+1+1
-0.7Round 11🇯🇵 JAPAN124♠♥A=+0
-0.7Round 15🇮🇹 ITALY42♠♠5+2-10
-1.0Round 14🇺🇸 USA1134♠♦7+2-3
-1.3Round 11🇯🇵 JAPAN42♠♦A+1-10
-1.3Round 12🇨🇦 CANADA152♠♥6=-6
-1.4Round 17🇺🇸 USA2124♠♣7=+0
-1.6Round 7🇮🇱 ISRAEL123NT♥5-1-5
-1.6Round 10🇧🇧 BARBADOS244♠♣Q+3-10
-1.7Round 11🇯🇵 JAPAN74♥♠J=+0
-1.7Round 12🇨🇦 CANADA144♥♣J+1-11
-1.7Round 14🇺🇸 USA1183♠♣6-1-5
-1.8Round 7🇮🇱 ISRAEL31NT♥6+2-2
-1.8Round 11🇯🇵 JAPAN32♠♥5+2-1
-1.8Round 11🇯🇵 JAPAN62♠♦K=-7
-1.9Round 11🇯🇵 JAPAN103NT♣7+3-1
-2.0Round 12🇨🇦 CANADA201NT♠T-1-1
-2.2Round 4🇦🇷 ARGENTINA183♠♣A=-6
-2.2Round 14🇺🇸 USA1213♠♥K+1+4
-2.5Round 12🇨🇦 CANADA183NT♣2+1+0
-2.7Round 7🇮🇱 ISRAEL43♣♥K+2-1
-2.7Round 15🇮🇹 ITALY82♠♣5+2-6
-2.8Round 3🇭🇷 CROATIA125♦x♠3-2-10
-3.0Round 3🇭🇷 CROATIA24♥♣9+2-1
-3.0Round 3🇭🇷 CROATIA44♠♦7=+0
-3.0Round 8🇹🇼 CHINESE TAIPEI233♥♣T-1-12
-3.1Round 4🇦🇷 ARGENTINA143NT♠9-1-5
-3.1Round 11🇯🇵 JAPAN113NT♠5+1-7
-3.2Round 8🇹🇼 CHINESE TAIPEI184♠♦A+1-1
-3.3Round 11🇯🇵 JAPAN83♦♣T+1+0
-3.4Round 4🇦🇷 ARGENTINA243NT♥Q=+0
-3.5Round 12🇨🇦 CANADA162♣♣6+1-1
-3.5Round 12🇨🇦 CANADA243♥♣6-1-4
-3.7Round 11🇯🇵 JAPAN52♠♦J+1-7
-3.7Round 15🇮🇹 ITALY113♠♥2=+6
-3.8Round 7🇮🇱 ISRAEL94♠♣K=-3
-3.8Round 12🇨🇦 CANADA134♥♦3=+16
-3.9Round 15🇮🇹 ITALY25♦♠A+1-10
-3.9Round 17🇺🇸 USA233NT♠K-1-12
-4.0Round 17🇺🇸 USA284♠♥Q=+0
-4.1Round 15🇮🇹 ITALY34♠♦8-1-5
-4.4Round 15🇮🇹 ITALY92♥x♥A-5+14
-4.6Round 10🇧🇧 BARBADOS195♣♠Q=-3
-4.9Round 3🇭🇷 CROATIA13♦♥A=-6
-5.0Round 7🇮🇱 ISRAEL74♠♥T-1-6
-5.0Round 7🇮🇱 ISRAEL84♠x♦3-2-5
-5.1Round 4🇦🇷 ARGENTINA233NT♥9=-3
-5.1Round 12🇨🇦 CANADA173NT♣3+1+0
-5.4Round 7🇮🇱 ISRAEL104♠♣J-2-8
-5.4Round 17🇺🇸 USA214♠♥9-2-6
-5.6Round 10🇧🇧 BARBADOS173NT♣Q-4-8
-5.6Round 15🇮🇹 ITALY63♠♦A=-11
-5.7Round 17🇺🇸 USA264♥♣2+1+0
-5.9Round 3🇭🇷 CROATIA74♠♥7-2-8
-6.3Round 8🇹🇼 CHINESE TAIPEI194♠♥A=-11
-7.0Round 15🇮🇹 ITALY54♠♣3=+0
-7.2Round 17🇺🇸 USA273NT♥9-2-12
-7.3Round 3🇭🇷 CROATIA64♥♠A=-7
-7.8Round 14🇺🇸 USA1144♥♦J=-12
-9.3Round 17🇺🇸 USA243NT♣8=+0
-10.2Round 14🇺🇸 USA1206NT♥3+1-1
-10.6Round 14🇺🇸 USA1174♠x♥5-3-12
-10.8Round 4🇦🇷 ARGENTINA216♠x♦K=-16
-11.7Round 11🇯🇵 JAPAN26♠♦K+1-11