🇨🇳 YIN Yichen · CHINA

15rank
+153.4Butler · 192 bds
+0.80per board
±5.0swing
+0.51vs par /bd · #29/88
+0.71adjusted /bd
Butler per round: 16.3 4.4 -25.3 19.9 7.2 12 24 -8 40.2 44.2 -17 35.5by round

vs par split: bidding +0.63 · play -0.06

Strength of schedule: opponents averaged -0.09/bd (an easy draw) → opponent-adjusted +0.71/bd

Card play — on target: opening leads 68.8% #82 of 88 · declarer play 68.9% #51 of 88 · defence 82.1% #51 of 88

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (14)76.5% (34)
Declarer play53.8% (13)72.9% (48)
Defence90.5% (21)79.4% (63)

Opening leads by suit led: ♠ 53.3% (15) · ♥ 78.6% (14) · ♦ 66.7% (9) · ♣ 80.0% (10)

vs par by strain: NT +1.33 (46) · a suit +0.25 (146)

vs par by level: part-score +1.25 (57) · game +0.50 (117) · slam -1.78 (18)

By role: declaring +0.47/bd (-2.00 vs par · 108) · defending +1.22/bd (+3.73 vs par · 84)

By vulnerability: vulnerable +0.68/bd (+0.30 vs par · 96) · not vulnerable +0.92/bd (+0.71 vs par · 96)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2C.ShenA.Zalitis – G.FreimanisOpen16+16.3+1.02+3.56
Round 4C.ShenA.Takatsuji – K.MatsudaClosed16+4.4+0.28+0.25
Round 5C.ShenA.Dhir – M.GreenOpen16-25.3-1.58-1.44
Round 6C.ShenW.Chiu – T.LiuClosed16+19.9+1.24-0.88
Round 7C.ShenS.Khor – P.HawOpen16+7.2+0.45+1.56
Round 9C.ShenI.Ginossar – A.ReiterOpen16+12.0+0.75-1.31
Round 10C.ShenA.Gundersen – E.FlaattClosed16+24.0+1.50+2.06
Round 11C.ShenS.Shah – A.RobertsClosed16-8.0-0.50-0.38
Round 12C.ShenJ.Bernard – I.CailliauClosed16+40.2+2.51+1.81
Round 13C.ShenN.Sengiali – A.ArgainClosed16+44.2+2.76+1.56
Round 15C.ShenW.Kazmierczak – L.WitkowskiClosed16-17.0-1.06-2.88
Round 17C.ShenX.Feng – J.HebbertClosed16+35.5+2.22+2.12

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
+12.9Round 12🇫🇷 FRANCE143♣x♠A-4+12
+11.9Round 13🇦🇷 ARGENTINA133NT♦K=+12
+11.5Round 2🇱🇻 LATVIA56♦♣7-1+19
+10.5Round 6🇹🇼 CHINESE TAIPEI14♠x♦A-4+9
+10.2Round 7🇸🇬 SINGAPORE74♥x♠A-1+8
+10.1Round 6🇹🇼 CHINESE TAIPEI73NT♦4=+0
+10.1Round 6🇹🇼 CHINESE TAIPEI134♠♠9=+10
+9.9Round 12🇫🇷 FRANCE116♥♦A=+0
+9.9Round 13🇦🇷 ARGENTINA12♥♠A+2+10
+9.9Round 17🇨🇦 CANADA104♠♦6-4+11
+9.5Round 17🇨🇦 CANADA113♦x♦7-2+12
+8.9Round 13🇦🇷 ARGENTINA65♦x♥A-3+17
+8.9Round 17🇨🇦 CANADA123NT♣8-1+6
+8.5Round 17🇨🇦 CANADA73♣♠A-5+14
+8.2Round 7🇸🇬 SINGAPORE45♦♣6=+10
+8.1Round 12🇫🇷 FRANCE63♠x♣10-3+12
+8.0Round 9🇮🇱 ISRAEL43NT♠4=-1
+7.6Round 4🇯🇵 JAPAN115♦♥K+1+1
+7.5Round 13🇦🇷 ARGENTINA83♠♦J=+10
+7.1Round 10🇳🇴 NORWAY104♥♣7-2+8
+6.8Round 10🇳🇴 NORWAY74♥♠4=+0
+6.7Round 10🇳🇴 NORWAY14♠x♦8=+7
+6.5Round 6🇹🇼 CHINESE TAIPEI163♥♠4-2+8
+6.5Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND105♥x♦K=+14
+6.5Round 12🇫🇷 FRANCE134♠♦10=+0
+6.4Round 15🇵🇱 POLAND34♥♠A=+3
+6.1Round 7🇸🇬 SINGAPORE153NT♠9-3+11
+6.1Round 9🇮🇱 ISRAEL133NTx♣5-1+8
+5.9Round 4🇯🇵 JAPAN94♥♠K=+0
+5.7Round 5🇺🇸 USA2123NT♠9-1+11
+5.7Round 13🇦🇷 ARGENTINA163NT♥5=-1
+5.3Round 5🇺🇸 USA253NT♥3-2+5
+5.3Round 7🇸🇬 SINGAPORE165♦x♠4-1+7
+5.2Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♣5-1+10
+5.2Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♠♥A-1+6
+5.1Round 13🇦🇷 ARGENTINA24♠♦J+1+1
+5.1Round 17🇨🇦 CANADA64♥♥3+2+11
+5.0Round 2🇱🇻 LATVIA76NT♠8-1+13
+5.0Round 13🇦🇷 ARGENTINA42♠♥Q+1+0
+5.0Round 15🇵🇱 POLAND22♥♣A-1-1
+4.7Round 4🇯🇵 JAPAN82♠♦K-1+10
+4.5Round 15🇵🇱 POLAND54♠♦T-2+7
+4.4Round 17🇨🇦 CANADA154♠x♦A-2+2
+4.3Round 2🇱🇻 LATVIA43NT♠4-1+5
+4.3Round 9🇮🇱 ISRAEL53♠♣A=+7
+4.1Round 4🇯🇵 JAPAN146♥♠K-1+11
+4.0Round 10🇳🇴 NORWAY24♠♦K+1+0
+3.9Round 10🇳🇴 NORWAY34♥♦Q=+0
+3.9Round 12🇫🇷 FRANCE124♥♣2=-1
+3.7Round 5🇺🇸 USA294♦♠J+1+0
+3.7Round 10🇳🇴 NORWAY144♠♥Q=-1
+3.7Round 13🇦🇷 ARGENTINA141NT♥K=+5
+3.6Round 2🇱🇻 LATVIA143♥♠6=+7
+3.6Round 12🇫🇷 FRANCE34♥♣8-1+10
+3.6Round 12🇫🇷 FRANCE164♣♠J-1+5
+3.3Round 2🇱🇻 LATVIA24♠♥3+2+13
+3.3Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND125♥♣A=+11
+3.2Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND42♣♦K-2+2
+3.2Round 15🇵🇱 POLAND14♥♠Q=+3
+3.1Round 4🇯🇵 JAPAN154♠♣6=+0
+3.0Round 2🇱🇻 LATVIA32♠♥8+2+2
+3.0Round 10🇳🇴 NORWAY46♣♥4-2+13
+3.0Round 15🇵🇱 POLAND44♠x♠6=+4
+2.9Round 7🇸🇬 SINGAPORE104♠♥A=-1
+2.8Round 17🇨🇦 CANADA163NT♥K+1+0
+2.5Round 9🇮🇱 ISRAEL106♠♥8+1+1
+2.5Round 12🇫🇷 FRANCE154♠♣A=+0
+2.5Round 15🇵🇱 POLAND144♠x♣4-2-4
+2.4Round 7🇸🇬 SINGAPORE63NT♠9=+7
+2.4Round 9🇮🇱 ISRAEL163NT♥Q=+0
+2.3Round 7🇸🇬 SINGAPORE93♥♣K-2+11
+2.3Round 15🇵🇱 POLAND94♠♥4+1+0
+2.2Round 9🇮🇱 ISRAEL115♣x♦2-1+0
+2.2Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND144♥♠4+1+0
+2.1Round 2🇱🇻 LATVIA82♣♣3+1+5
+2.1Round 10🇳🇴 NORWAY61NT♥K+1+11
+2.1Round 12🇫🇷 FRANCE42♣x♥10-1+2
+1.9Round 10🇳🇴 NORWAY82♥♣4-2+1
+1.8Round 2🇱🇻 LATVIA93♠♣3-1-2
+1.7Round 5🇺🇸 USA263♦♣Q+1+0
+1.7Round 12🇫🇷 FRANCE54♥♠8-2+11
+1.6Round 10🇳🇴 NORWAY132♠♥T+1+0
+1.5Round 6🇹🇼 CHINESE TAIPEI64♥♥3+2-11
+1.4Round 6🇹🇼 CHINESE TAIPEI102♠♠7+2+1
+1.4Round 9🇮🇱 ISRAEL123NT♠3+4+10
+1.3Round 17🇨🇦 CANADA134♥♠10-1-1
+1.2Round 12🇫🇷 FRANCE23♣♦K=+0
+1.1Round 5🇺🇸 USA214♠♣T+2+11
+1.1Round 7🇸🇬 SINGAPORE134♠x♠3-1+0
+1.1Round 15🇵🇱 POLAND63♦♠9=+0
+1.0Round 4🇯🇵 JAPAN101♠♦K=-1
+1.0Round 9🇮🇱 ISRAEL143NT♣10+3-11
+0.9Round 2🇱🇻 LATVIA126♠♥4=-11
+0.9Round 7🇸🇬 SINGAPORE113NT♣7+2+0
+0.9Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND82♣x♣3-1-1
+0.9Round 17🇨🇦 CANADA144♥♦4=+3
+0.8Round 13🇦🇷 ARGENTINA33NT♠4+2+1
+0.7Round 6🇹🇼 CHINESE TAIPEI125♣♥A=+2
+0.7Round 10🇳🇴 NORWAY154♠♣T+1+0
+0.6Round 2🇱🇻 LATVIA62♠♥5+2+6
+0.6Round 5🇺🇸 USA244♠♣3+2+1
+0.5Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♥6=+0
+0.5Round 13🇦🇷 ARGENTINA54♥♦J+1+0
+0.4Round 4🇯🇵 JAPAN71NT♣K=-1
+0.4Round 6🇹🇼 CHINESE TAIPEI83♥♠K-1-4
+0.4Round 6🇹🇼 CHINESE TAIPEI111NT♣2=-2
+0.3Round 9🇮🇱 ISRAEL94♦♥J=+0
+0.2Round 4🇯🇵 JAPAN24♠♣J=+1
+0.2Round 4🇯🇵 JAPAN45♣♥3-1-6
+0.2Round 6🇹🇼 CHINESE TAIPEI92♥♦10-1+1
+0.2Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163NT♠3+1-1
+0.1Round 15🇵🇱 POLAND161NT♥3+1-6
+0.1Round 17🇨🇦 CANADA94♥♦4=+0
-0.1Round 9🇮🇱 ISRAEL33♦♠9-1-4
-0.1Round 12🇫🇷 FRANCE84♠♥A-2-7
-0.3Round 2🇱🇻 LATVIA103NT♦6+3+12
-0.4Round 7🇸🇬 SINGAPORE12♦♣5-1+2
-0.4Round 7🇸🇬 SINGAPORE142♣♠3-3-6
-0.4Round 13🇦🇷 ARGENTINA154♥♣J+2-1
-0.5Round 5🇺🇸 USA2144NT♠4+2-11
-0.5Round 15🇵🇱 POLAND151NT♣2=+0
-0.7Round 4🇯🇵 JAPAN13NT♥5+2-1
-0.7Round 5🇺🇸 USA2156♥♠K+1-13
-0.8Round 4🇯🇵 JAPAN133NT♥5+3-1
-0.9Round 6🇹🇼 CHINESE TAIPEI34♥♣K+2-1
-0.9Round 10🇳🇴 NORWAY94♥♣Q+1+0
-0.9Round 10🇳🇴 NORWAY161NT♥5+1+0
-1.0Round 2🇱🇻 LATVIA111NT♣3+1-7
-1.3Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♥♦4=-1
-1.3Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♥J+1+0
-1.3Round 13🇦🇷 ARGENTINA113NT♥J=+0
-1.4Round 15🇵🇱 POLAND114♥x♠J-1-8
-1.5Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♣8=-13
-1.6Round 4🇯🇵 JAPAN36♥♦Q=+13
-1.7Round 17🇨🇦 CANADA14♠♠10-1+2
-1.7Round 17🇨🇦 CANADA34♠♥J+1-13
-1.8Round 17🇨🇦 CANADA82♠♥A-5-3
-1.9Round 6🇹🇼 CHINESE TAIPEI52♠♥K-1-5
-1.9Round 12🇫🇷 FRANCE74♠♦10+2-13
-1.9Round 13🇦🇷 ARGENTINA94♥♣9+2-11
-2.1Round 9🇮🇱 ISRAEL63NT♥A-2-6
-2.1Round 9🇮🇱 ISRAEL84♥♦5-1-4
-2.1Round 9🇮🇱 ISRAEL153♦♥8+2+0
-2.1Round 17🇨🇦 CANADA22NT♠9=+0
-2.7Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND32♣♥4+1+0
-2.8Round 5🇺🇸 USA273NT♠9+1+12
-2.8Round 9🇮🇱 ISRAEL14♥♥8+2-2
-2.9Round 7🇸🇬 SINGAPORE124♥♦6-1+1
-3.0Round 5🇺🇸 USA2103NT♥5+1-1
-3.0Round 13🇦🇷 ARGENTINA121NT♠Q-1+0
-3.0Round 15🇵🇱 POLAND134♠♦9-1-6
-3.1Round 6🇹🇼 CHINESE TAIPEI41NT♦7-2-3
-3.1Round 9🇮🇱 ISRAEL74♥♦J-1-13
-3.2Round 4🇯🇵 JAPAN56♠♣4+1-13
-3.4Round 4🇯🇵 JAPAN124♠♦9+2-2
-3.4Round 10🇳🇴 NORWAY125♣x♥9-1+0
-3.4Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♠♥2-1-4
-3.5Round 6🇹🇼 CHINESE TAIPEI155♣♠8=+3
-3.5Round 7🇸🇬 SINGAPORE53♥♦J-1-5
-3.7Round 12🇫🇷 FRANCE105♥♦Q=+0
-3.8Round 2🇱🇻 LATVIA154♠♠4=+0
-3.9Round 2🇱🇻 LATVIA12♠♥7-1+2
-3.9Round 9🇮🇱 ISRAEL24♥♣A-1-6
-3.9Round 13🇦🇷 ARGENTINA74♠♦9-1-12
-4.3Round 13🇦🇷 ARGENTINA102♠♠6+1-6
-4.3Round 17🇨🇦 CANADA41NT♠4+2-10
-4.3Round 17🇨🇦 CANADA54♥♣Q=+0
-4.5Round 5🇺🇸 USA2162♦♥A+2-7
-4.5Round 12🇫🇷 FRANCE14♥♦K+1-4
-4.6Round 4🇯🇵 JAPAN64♠♥3+1+0
-4.7Round 5🇺🇸 USA2132♠♦T=+1
-4.8Round 5🇺🇸 USA283NT♦6=+0
-4.8Round 10🇳🇴 NORWAY54♠♥A-1-6
-4.9Round 6🇹🇼 CHINESE TAIPEI145♥♠2-1-11
-5.0Round 2🇱🇻 LATVIA163NT♥K-2-7
-5.6Round 12🇫🇷 FRANCE93NT♦3=+2
-5.8Round 2🇱🇻 LATVIA134♠♠5=+0
-5.8Round 15🇵🇱 POLAND126NT♣9=+0
-6.5Round 5🇺🇸 USA236♥♦Q-1-11
-6.7Round 7🇸🇬 SINGAPORE83NT♥4-1-10
-7.5Round 5🇺🇸 USA226♣x♠8-1-7
-7.5Round 10🇳🇴 NORWAY114♥♥T=+0
-7.6Round 6🇹🇼 CHINESE TAIPEI24♠♥8-2-11
-7.9Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♣Q-1-12
-8.4Round 5🇺🇸 USA2113♦x2♦-3-14
-8.5Round 4🇯🇵 JAPAN166♣♦K=-7
-9.0Round 7🇸🇬 SINGAPORE26♥♠2-3-12
-9.3Round 7🇸🇬 SINGAPORE37♦♦5=+2
-9.7Round 15🇵🇱 POLAND74♠x♠J-2-12
-12.0Round 15🇵🇱 POLAND106♥♥A-1-13
-12.7Round 15🇵🇱 POLAND85♣x♥7-5-13
-17.1Round 11🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND136♦x♠A=-17