🇨🇳 YIN Yichen · CHINA RDFZ HU

61rank
-20.0Butler · 56 bds
-0.36per board
±5.3swing
+0.11vs par /bd · #43/95
-0.44adjusted /bd
Butler per round: -1.5 -4.7 -3 6.2 -16.6 4.1 -4.5by round

vs par split: bidding +0.57 · play -0.46

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.44/bd

Card play — on target: opening leads 75.0% #76 of 95 · declarer play 66.7% #62 of 95 · defence 84.6% #43 of 95

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)81.8% (11)
Declarer play50.0% (2)69.2% (13)
Defence77.8% (9)88.2% (17)

Opening leads by suit led: ♠ 60.0% (5) · ♥ 100.0% (2) · ♦ 66.7% (6) · ♣ 100.0% (3)

vs par by strain: NT +0.00 (14) · a suit +0.14 (42)

vs par by level: part-score +0.12 (17) · game -0.35 (37) · slam +8.50 (2)

By role: declaring -0.62/bd (-1.13 vs par · 30) · defending -0.06/bd (+1.54 vs par · 26)

By vulnerability: vulnerable -0.64/bd (-1.04 vs par · 28) · not vulnerable -0.07/bd (+1.25 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.LiuS.Ng – T.HungClosed8-1.5-0.19-1.88
Round 2C.LiuS.Beukema – E.VandewieleOpen8-4.7-0.59+1.62
Round 4C.LiuP.Marcinowski – M.SobczakOpen8-3.0-0.38-1.50
Round 5H.WeiA.Ezion – T.LoonsteinClosed8+6.2+0.78+2.50
Round 6C.LiuE.Evacic – I.BilusicClosed8-16.6-2.08-2.50
Round 7C.LiuP.Crisafulli Sadaba – S.HermannClosed8+4.1+0.51+0.00
Round 8C.LiuE.Singhal – I.RobsonClosed8-4.5-0.56+2.50

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
+13.8Round 7🇦🇹 AUSTRIA193NTx♣J-4+15
+13.2Round 5GREISNOR57♠♠8-1+17
+7.9Round 2🇧🇪 BELGIUM134♥♠A-1+11
+7.2Round 1🇭🇰 HONG KONG74♠♦2-1+6
+7.2Round 6🇭🇷 CROATIA164♠x♠3-3-4
+7.0Round 2🇧🇪 BELGIUM114♠x♣2-1+8
+6.6Round 5GREISNOR84♥♣10-1+4
+6.2Round 8ALSO INDIA264♠x♥10=+5
+5.4Round 1🇭🇰 HONG KONG44♠♣5+1+4
+4.5Round 7🇦🇹 AUSTRIA245♦x♦2-2+5
+3.9Round 5GREISNOR42♦♦Q-2+3
+3.4Round 4🇵🇱 POLAND293NT♥6+1+0
+2.7Round 1🇭🇰 HONG KONG26♥♠9=+0
+2.2Round 7🇦🇹 AUSTRIA232♥♣J+1+0
+2.0Round 8ALSO INDIA253NT♦6+2+0
+1.7Round 2🇧🇪 BELGIUM94♠♣7+1+0
+1.5Round 4🇵🇱 POLAND284♥♠2-2+2
+1.3Round 6🇭🇷 CROATIA154♥♦A+1+0
+1.1Round 8ALSO INDIA283♥♦K-1+10
+1.0Round 5GREISNOR12♥♠5=+0
+0.9Round 4🇵🇱 POLAND262♥♦6-1+0
+0.7Round 5GREISNOR33NT♣J+4+14
+0.6Round 6🇭🇷 CROATIA134♠♦K+1+0
+0.4Round 1🇭🇰 HONG KONG14♠♦9-1+2
-0.0Round 4🇵🇱 POLAND321NT♠Q=-9
-0.1Round 4🇵🇱 POLAND253♦♦4-1-3
-0.3Round 4🇵🇱 POLAND274♥♦K=+0
-0.8Round 8ALSO INDIA273♥♠3=+0
-1.0Round 7🇦🇹 AUSTRIA224♠♦10+3-10
-1.1Round 2🇧🇪 BELGIUM151NT♦J=+1
-1.1Round 7🇦🇹 AUSTRIA184♥x♦10-1-2
-1.2Round 4🇵🇱 POLAND303NT♣K=+2
-1.4Round 2🇧🇪 BELGIUM141NT♠10-2+1
-1.5Round 8ALSO INDIA292♠♠6+3+9
-1.8Round 2🇧🇪 BELGIUM105♦♥A=+0
-1.8Round 8ALSO INDIA323♦♣K+1+0
-1.9Round 6🇭🇷 CROATIA94♥♣Q=+0
-2.3Round 1🇭🇰 HONG KONG84♠♦2-1-4
-2.4Round 7🇦🇹 AUSTRIA172♦♥Q+1+0
-2.5Round 5GREISNOR23♥♦A-2+0
-3.2Round 5GREISNOR73NT♠6-3-9
-4.1Round 1🇭🇰 HONG KONG33NT♠2=-6
-4.3Round 7🇦🇹 AUSTRIA214♠♦K+1-7
-4.5Round 1🇭🇰 HONG KONG54♥♠5-1-5
-4.7Round 8ALSO INDIA313NT♦9=+1
-4.8Round 6🇭🇷 CROATIA123♥♠8+1-6
-4.9Round 6🇭🇷 CROATIA143♦♥Q-5+5
-5.0Round 8ALSO INDIA305♦x♠Q-3-5
-5.5Round 6🇭🇷 CROATIA114♥♦5-1-5
-5.6Round 2🇧🇪 BELGIUM123NT♠Q+1+1
-6.3Round 1🇭🇰 HONG KONG65♦♣5-1-12
-7.2Round 4🇵🇱 POLAND315♣x♠A-4-4
-7.6Round 7🇦🇹 AUSTRIA203NT♠5+3-1
-8.6Round 6🇭🇷 CROATIA103NT♥4=-10
-11.4Round 2🇧🇪 BELGIUM164♥x♣7-3-9
-13.5Round 5GREISNOR62♣xx♠6+4-9