🇨🇳 JIN Kai · CHINA

87rank
-49.1Butler · 224 bds
-0.22per board
±4.4swing
-0.34vs par /bd · #90/115
-0.09adjusted /bd
Butler per round: -16 22.6 13.8 -29.5 -11.8 -14.1 -19.7 7.6 -19.8 8 9.3 24.1 12.2 3.4 -33 -6.2by round

vs par split: bidding -0.50 · play +0.14

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -0.09/bd

Card play — on target: opening leads 89.1% #3 of 115 · declarer play 81.7% #14 of 115 · defence 85.0% #49 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads92.9% (14)87.8% (41)
Declarer play78.9% (19)82.9% (41)
Defence82.1% (39)86.5% (74)

Opening leads by suit led: ♠ 85.7% (14) · ♥ 95.2% (21) · ♦ 77.8% (9) · ♣ 90.9% (11)

vs par by strain: NT -0.28 (69) · a suit -0.40 (154)

vs par by level: part-score -0.24 (78) · game -0.27 (128) · slam -1.59 (17)

By role: declaring -0.35/bd (-2.25 vs par · 110) · defending -0.09/bd (+1.50 vs par · 114)

By vulnerability: vulnerable -0.20/bd (-0.86 vs par · 112) · not vulnerable -0.24/bd (+0.17 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Q.WangF.Mcgrath – R.CooperOpen14-16.0-1.14-0.50
Round 2Q.WangM.Chodacki – M.SobczakOpen14+22.6+1.61+0.79
Round 3Q.WangS.Hult – A.StokkaOpen14+13.8+0.99-1.36
Round 4Q.WangK.Rosenberg – B.KristensenOpen14-29.5-2.11-1.43
Round 5Q.WangM.Solihin – M.SantosoOpen14-11.8-0.84-0.64
Round 6Q.WangKUSHARI SAYANTAN – ROY SAGNIKOpen14-14.1-1.01+0.79
Round 7Q.WangJ.Ong – R.ChanClosed14-19.7-1.41-2.14
Round 8Q.WangY.Yin – S.AmerOpen14+7.6+0.54-0.57
Round 9Q.WangA.Asulin – H.LeviOpen14-19.8-1.41-1.57
Round 10Q.WangX.Yang – S.MacdonaldOpen14+8.0+0.57+1.71
Round 11Q.WangK.Ashraf – A.NaserOpen14+9.3+0.66+0.00
Round 13C.ZhaoV.He – Z.YanOpen14+24.1+1.72+1.71
Round 15C.ZhaoB.Norton – S.NattOpen14+12.2+0.87+2.36
Round 16C.ZhaoH.Huang – H.GuoOpen14+3.4+0.24-0.29
Round 17C.ZhaoE.Moo – T.ChanClosed14-33.0-2.36-3.71
Round 20C.ZhaoR.Sau – G.PercarioClosed14-6.2-0.44-0.64

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
+11.9Round 9🇮🇱 ISRAEL96♣♠J-1+17
+11.8Round 10🇨🇦 CANADA133♦x♥A=+15
+11.8Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND76♥♥6=+13
+9.9Round 8🇺🇸 USA 213NTx♦A=+10
+9.4Round 11🇪🇬 EGYPT143NT♦Q=+7
+9.2Round 2🇵🇱 POLAND24♥♦Q-1+13
+9.1Round 16🇹🇼 CHINESE TAIPEI74♥♠9-3+14
+8.9Round 8🇺🇸 USA 274♠x♥Q+1+9
+8.3Round 3🇸🇪 SWEDEN94♥♠2-1+10
+8.2Round 16🇹🇼 CHINESE TAIPEI106♣♥Q=-13
+8.0Round 4🇺🇸 USA 147♣♠A-1+14
+7.6Round 13🇳🇿 NEW ZEALAND115♥x♣A-1+9
+7.1Round 2🇵🇱 POLAND74♠♣4=+0
+6.8Round 3🇸🇪 SWEDEN66♦♥K+1-13
+6.7Round 1🇦🇺 AUSTRALIA64♥♦10-2+13
+6.7Round 1🇦🇺 AUSTRALIA93NT♣Q+2+2
+6.7Round 8🇺🇸 USA 242♣x♥K-3+5
+6.6Round 5🇮🇩 INDONESIA86♣x♠A-2+9
+6.0Round 2🇵🇱 POLAND143NT♠J-5+9
+5.9Round 6🇮🇳 INDIA123NT♣5-2+11
+5.9Round 13🇳🇿 NEW ZEALAND53NT♠6-1+10
+5.7Round 11🇪🇬 EGYPT56♣♦7=-2
+5.6Round 13🇳🇿 NEW ZEALAND93NTx♥9-4+14
+5.3Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♠4=+7
+5.2Round 11🇪🇬 EGYPT116NT♥10+1+1
+5.0Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND51♥x♦A-1+3
+5.0Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♠♥3=-1
+4.7Round 6🇮🇳 INDIA14♠♥J-1+10
+4.7Round 6🇮🇳 INDIA143NT♠J-1+10
+4.7Round 9🇮🇱 ISRAEL133♣♦10+2+1
+4.1Round 3🇸🇪 SWEDEN33NT♥Q+2+14
+4.0Round 10🇨🇦 CANADA31NT♠A=+5
+3.8Round 6🇮🇳 INDIA34♥x♣6-1+2
+3.8Round 7🇸🇬 SINGAPORE54♥♠K-1+5
+3.7Round 3🇸🇪 SWEDEN14♠♥9=-1
+3.7Round 6🇮🇳 INDIA22♦♥A-1+5
+3.7Round 13🇳🇿 NEW ZEALAND143NT♣Q+1+0
+3.4Round 7🇸🇬 SINGAPORE73♥♦3=+0
+3.3Round 5🇮🇩 INDONESIA134♥♠4-1+12
+3.3Round 13🇳🇿 NEW ZEALAND103NT♦Q+3+2
+3.3Round 16🇹🇼 CHINESE TAIPEI114♥♠K-1+5
+3.2Round 16🇹🇼 CHINESE TAIPEI144♠♦7+2+2
+3.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♠♥A-1+4
+3.0Round 2🇵🇱 POLAND111NT♠5-2+0
+2.9Round 2🇵🇱 POLAND94♠♥4+1+0
+2.9Round 20🇮🇹 ITALY83NT♦J+3+11
+2.6Round 1🇦🇺 AUSTRALIA144♠x♣J-2-3
+2.6Round 5🇮🇩 INDONESIA24♥♠3-1-2
+2.6Round 8🇺🇸 USA 264♥♣K+1+1
+2.4Round 8🇺🇸 USA 2123NT♣7-1-2
+2.3Round 4🇺🇸 USA 1103NT♠J=+0
+2.3Round 17🇭🇰 CHINA HONG KONG36NT♣4=-11
+2.2Round 13🇳🇿 NEW ZEALAND84♥♠10+1+0
+2.1Round 3🇸🇪 SWEDEN133NT♣3=-1
+2.1Round 10🇨🇦 CANADA102♠♦A=+0
+2.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♦K-1+6
+2.1Round 17🇭🇰 CHINA HONG KONG143♦♥9-4-5
+2.0Round 1🇦🇺 AUSTRALIA104♥♦A=+0
+2.0Round 5🇮🇩 INDONESIA103♠♥3=+0
+2.0Round 13🇳🇿 NEW ZEALAND22♠♦K-2+0
+1.9Round 3🇸🇪 SWEDEN44♠♦7=-1
+1.9Round 5🇮🇩 INDONESIA52♥♠4+3+6
+1.8Round 2🇵🇱 POLAND42♠♣2=+10
+1.8Round 20🇮🇹 ITALY94♠♦A-2+8
+1.7Round 4🇺🇸 USA 122♦♥Q+2+0
+1.7Round 6🇮🇳 INDIA45♦x♥2-2-4
+1.7Round 9🇮🇱 ISRAEL34♥♣Q+1+1
+1.7Round 11🇪🇬 EGYPT106♠♥5+1+1
+1.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♥6+2+0
+1.6Round 7🇸🇬 SINGAPORE34♣♥K-2-5
+1.5Round 8🇺🇸 USA 2134NT♥4+2-13
+1.5Round 13🇳🇿 NEW ZEALAND43♦♠K=+0
+1.5Round 16🇹🇼 CHINESE TAIPEI22♠♣2+1-8
+1.5Round 20🇮🇹 ITALY12♥♠2=+5
+1.4Round 11🇪🇬 EGYPT95♥♦A=+0
+1.4Round 20🇮🇹 ITALY145♦♠A=+0
+1.3Round 1🇦🇺 AUSTRALIA44♠♥2+1+0
+1.2Round 1🇦🇺 AUSTRALIA14♥♠K-2+5
+1.2Round 11🇪🇬 EGYPT32♠♥3+1+1
+1.1Round 1🇦🇺 AUSTRALIA21♦♥A+2+7
+1.1Round 2🇵🇱 POLAND84♥♣5+1+0
+1.1Round 4🇺🇸 USA 1114♥♣3+1+1
+1.1Round 10🇨🇦 CANADA6Pass+3
+1.0Round 3🇸🇪 SWEDEN141NT♥8=+0
+1.0Round 6🇮🇳 INDIA103♦♣A-2+9
+1.0Round 8🇺🇸 USA 2102♦♥J+1+0
+1.0Round 10🇨🇦 CANADA111NT♥6=+0
+1.0Round 20🇮🇹 ITALY134♠♠2+1+0
+0.9Round 20🇮🇹 ITALY123NT♣8-3+7
+0.8Round 2🇵🇱 POLAND53♦♥J+1+0
+0.8Round 2🇵🇱 POLAND63NT♥9=+1
+0.8Round 9🇮🇱 ISRAEL143NT♠Q+2+1
+0.8Round 17🇭🇰 CHINA HONG KONG45♦♣A=-2
+0.7Round 8🇺🇸 USA 284♠♦2=+0
+0.6Round 10🇨🇦 CANADA143NT♥5+1+1
+0.6Round 17🇭🇰 CHINA HONG KONG122♠♣A=+5
+0.5Round 7🇸🇬 SINGAPORE93♣♦3-1+2
+0.5Round 10🇨🇦 CANADA41NT♣Q+1-1
+0.3Round 4🇺🇸 USA 194♠♦6+3+12
+0.3Round 5🇮🇩 INDONESIA64♣♦3-1+2
+0.3Round 11🇪🇬 EGYPT42♥♥9=-1
+0.3Round 11🇪🇬 EGYPT134♠♥J=+0
+0.3Round 20🇮🇹 ITALY63NT♥10+2+0
+0.1Round 3🇸🇪 SWEDEN124♠♣A-1-5
+0.1Round 5🇮🇩 INDONESIA31NT♥3=-7
+0.1Round 9🇮🇱 ISRAEL14♥♣K=-1
+0.1Round 13🇳🇿 NEW ZEALAND133NT♦5=+2
+0.1Round 17🇭🇰 CHINA HONG KONG14♥♦K=+0
-0.0Round 3🇸🇪 SWEDEN24♥♠K+1+0
+0.0Round 3🇸🇪 SWEDEN74♠♣J=-3
-0.0Round 7🇸🇬 SINGAPORE61NT♥K+1-1
+0.0Round 17🇭🇰 CHINA HONG KONG92NT♥Q=+0
-0.1Round 2🇵🇱 POLAND33NT♥K+2+0
-0.1Round 3🇸🇪 SWEDEN113♠♥9=+0
-0.2Round 3🇸🇪 SWEDEN103NT♦5+1-1
-0.2Round 11🇪🇬 EGYPT23NT♥5+1+0
-0.2Round 16🇹🇼 CHINESE TAIPEI62♥♣4-1+2
-0.3Round 5🇮🇩 INDONESIA91NT♦J=+1
-0.3Round 9🇮🇱 ISRAEL101NT♥3+1+1
-0.3Round 13🇳🇿 NEW ZEALAND33NT♥J=+1
-0.3Round 16🇹🇼 CHINESE TAIPEI84♠♦Q=+0
-0.3Round 20🇮🇹 ITALY24♠♥2+2-13
-0.3Round 20🇮🇹 ITALY43NT♦Q+1+0
-0.4Round 7🇸🇬 SINGAPORE43NT♥J+2+0
-0.4Round 10🇨🇦 CANADA84♥♠10=+0
-0.4Round 13🇳🇿 NEW ZEALAND11NT♣2=-7
-0.6Round 7🇸🇬 SINGAPORE121NT♥6-1-2
-0.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23♠♣6+1+10
-0.8Round 7🇸🇬 SINGAPORE104♠♥Q-1+6
-0.8Round 9🇮🇱 ISRAEL42♥♦J=+0
-0.8Round 10🇨🇦 CANADA15♦x♥A-2-5
-0.8Round 10🇨🇦 CANADA124♠♥J+1+0
-1.0Round 8🇺🇸 USA 224♥♥3+1-1
-1.0Round 13🇳🇿 NEW ZEALAND122♥♠4-1+0
-1.0Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♦J+1+0
-1.0Round 20🇮🇹 ITALY52♠♥A-2-1
-1.1Round 11🇪🇬 EGYPT16♦♣5=+2
-1.2Round 7🇸🇬 SINGAPORE131♥♣10+2+0
-1.3Round 1🇦🇺 AUSTRALIA53NT♥8+1+0
-1.3Round 10🇨🇦 CANADA93♥x♦8-1-2
-1.3Round 16🇹🇼 CHINESE TAIPEI92♥♦9-2+11
-1.4Round 16🇹🇼 CHINESE TAIPEI133NT♥A=+0
-1.5Round 1🇦🇺 AUSTRALIA84♠♥A+1+0
-1.5Round 1🇦🇺 AUSTRALIA114♠♦4+2-1
-1.5Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43NT♥J+1+1
-1.6Round 6🇮🇳 INDIA84♠♥Q=+0
-1.7Round 2🇵🇱 POLAND104♥♠K-1-6
-1.7Round 5🇮🇩 INDONESIA72♥♣8-1+0
-1.7Round 7🇸🇬 SINGAPORE22♠♥9-1+0
-1.8Round 7🇸🇬 SINGAPORE111♠x♠8-2-3
-1.9Round 11🇪🇬 EGYPT123♠♣2=+6
-1.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♥♠J=+0
-2.0Round 4🇺🇸 USA 183♣♥K+1+0
-2.0Round 17🇭🇰 CHINA HONG KONG63NT♥A-1+5
-2.1Round 9🇮🇱 ISRAEL83♦♦K=+0
-2.2Round 8🇺🇸 USA 293♥♣4=+10
-2.2Round 16🇹🇼 CHINESE TAIPEI34♠♦A=+1
-2.4Round 4🇺🇸 USA 1134♥♣A=-3
-2.4Round 11🇪🇬 EGYPT74♠♣J-3-5
-2.5Round 5🇮🇩 INDONESIA123♠♦4-2-1
-2.5Round 8🇺🇸 USA 2145♣♠6+1+1
-2.5Round 13🇳🇿 NEW ZEALAND61NT♦10=+1
-2.6Round 10🇨🇦 CANADA52NT♠2=+0
-2.6Round 16🇹🇼 CHINESE TAIPEI14♠♠2=+0
-2.7Round 2🇵🇱 POLAND13♣♠K-2-6
-2.7Round 10🇨🇦 CANADA21♦♦A-3+8
-2.7Round 16🇹🇼 CHINESE TAIPEI44♠♥9=+0
-2.8Round 2🇵🇱 POLAND121NT♠4-1-4
-2.8Round 2🇵🇱 POLAND132♠♥10=-6
-2.8Round 17🇭🇰 CHINA HONG KONG26♥♠7+1-1
-2.8Round 20🇮🇹 ITALY112♠♣10=-6
-2.9Round 16🇹🇼 CHINESE TAIPEI123NT♥3-1-5
-3.0Round 6🇮🇳 INDIA132♥♣2=+0
-3.0Round 9🇮🇱 ISRAEL53NT♥A-1-6
-3.0Round 20🇮🇹 ITALY36♣♠Q=-12
-3.1Round 6🇮🇳 INDIA53NT♠2+1+1
-3.3Round 9🇮🇱 ISRAEL114♠♣Q-1-2
-3.3Round 20🇮🇹 ITALY103NT♣Q=+0
-3.4Round 4🇺🇸 USA 1143NT♥3=+0
-3.4Round 17🇭🇰 CHINA HONG KONG83♠♦J=-6
-3.5Round 9🇮🇱 ISRAEL61NT♠5-1-4
-3.6Round 4🇺🇸 USA 132♠♣2+2-6
-3.6Round 13🇳🇿 NEW ZEALAND73♠♥9-2-8
-3.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♦6=+2
-3.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♥♠A=+0
-4.0Round 4🇺🇸 USA 113♥x♠Q-3-3
-4.0Round 11🇪🇬 EGYPT84♠♣Q+2-1
-4.1Round 3🇸🇪 SWEDEN55♥x♠9-2-11
-4.1Round 5🇮🇩 INDONESIA113NT♠5-1-10
-4.5Round 10🇨🇦 CANADA73♣♣Q-1+0
-4.7Round 4🇺🇸 USA 152♠♥2=-9
-4.7Round 17🇭🇰 CHINA HONG KONG53NT♥Q-3-13
-4.9Round 7🇸🇬 SINGAPORE13♠♦10=-10
-5.0Round 4🇺🇸 USA 171NT♣4-2-8
-5.0Round 17🇭🇰 CHINA HONG KONG105♠x♦3=-5
-5.0Round 17🇭🇰 CHINA HONG KONG131NTx♠3+1-11
-5.2Round 5🇮🇩 INDONESIA144♥x♠K-2-10
-5.3Round 20🇮🇹 ITALY74♥x♦K-1-8
-5.6Round 8🇺🇸 USA 2112NT♠7+4-5
-5.8Round 1🇦🇺 AUSTRALIA123♠♣A=-7
-6.3Round 11🇪🇬 EGYPT64♠x♥3=-9
-6.6Round 5🇮🇩 INDONESIA43♠♥A+1-1
-6.6Round 6🇮🇳 INDIA74♠x♣3-2-9
-6.8Round 8🇺🇸 USA 254♠♥K+2-13
-6.9Round 17🇭🇰 CHINA HONG KONG73NT♥3-2-8
-7.0Round 1🇦🇺 AUSTRALIA34♠♠6-1-11
-7.8Round 9🇮🇱 ISRAEL72♠♠5+2-10
-8.0Round 6🇮🇳 INDIA66♠x♥J-4-7
-8.0Round 8🇺🇸 USA 233NT♥6=-10
-8.0Round 9🇮🇱 ISRAEL23NT♣8-2-8
-8.2Round 5🇮🇩 INDONESIA14♠♣Q=-8
-8.3Round 16🇹🇼 CHINESE TAIPEI54♥♣5=-13
-8.4Round 6🇮🇳 INDIA94♥x♠A=-7
-8.6Round 7🇸🇬 SINGAPORE143NT♥7+1-8
-8.7Round 4🇺🇸 USA 1124♠x♥A-3-8
-8.9Round 6🇮🇳 INDIA114♠♣A-1-10
-8.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND37♥♦7-2-12
-9.0Round 7🇸🇬 SINGAPORE84♠♦K+3-14
-9.1Round 4🇺🇸 USA 164♠♣10=-10
-9.1Round 17🇭🇰 CHINA HONG KONG116♣♦A=+0
-9.6Round 1🇦🇺 AUSTRALIA133NT♦5=+1
-9.8Round 3🇸🇪 SWEDEN84♥x♥J=-7
-10.2Round 9🇮🇱 ISRAEL123NT♦9-2-12
-10.9Round 1🇦🇺 AUSTRALIA76♥♦A-1-13