🇺🇸 CHEN Kyo · USA1

61rank
-20.5Butler · 88 bds
-0.23per board
±4.4swing
-0.39vs par /bd · #76/105
-0.23adjusted /bd
Butler per round: 23.5 14.9 3.8 0.1 -10 8.9 3.7 -9.1 1.8 -41.2 -16.9by round

vs par split: bidding +0.16 · play -0.55

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted -0.23/bd

Card play — on target: opening leads 89.5% #16 of 105 · declarer play 73.1% #46 of 105 · defence 74.3% #90 of 105

Bidding activity — not a pass: 46.9% #19 of 105 (107/228)

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)93.3% (15)
Declarer play83.3% (12)64.3% (14)
Defence66.7% (9)76.9% (26)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 83.3% (6) · ♦ 100.0% (4) · ♣ 83.3% (6)

vs par by strain: NT -0.18 (27) · a suit -0.47 (61)

vs par by level: part-score +0.26 (35) · game -0.82 (50) · slam -0.67 (3)

By role: declaring -0.17/bd (-1.91 vs par · 53) · defending -0.33/bd (+1.91 vs par · 35)

By vulnerability: vulnerable +0.26/bd (+1.07 vs par · 44) · not vulnerable -0.72/bd (-1.84 vs par · 44)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.ShihK.Wei – A.ChaunalClosed8+23.5+2.94+4.00
Round 3A.ShihK.Visser – D.De RooijClosed8+14.9+1.86+2.25
Round 4A.ShihM.De Wiljes – A.WladClosed8+3.8+0.47+1.00
Round 6A.ShihB.Mroz – M.ProkopowiczClosed8+0.1+0.01+0.50
Round 7A.ShihS.Akayan – C.BirdsallOpen8-10.0-1.25-0.88
Round 9A.ShihZ.Yao – E.WangClosed8+8.9+1.11+2.12
Round 11A.ShihH.Xing – A.JiaOpen8+3.7+0.46-0.12
Round 12A.ShihA.Bunaersa – P.Ngarm-EkClosed8-9.1-1.14-2.50
Round 13A.ShihC.Wang – Y.PengClosed8+1.8+0.23-0.88
Round 15A.ShihY.Bu – H.HuClosed8-41.2-5.15-6.12
Round 16A.ShihO.Gal Or – Y.Ben MelechClosed8-16.9-2.11-3.62

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
+12.0Round 1🇺🇸 USA244♠x♠4-2+12
+10.6Round 3🇳🇱 NETHERLANDS184♥♦A=+11
+10.2Round 9🇭🇰 HONG KONG CHINA32NTx♠Q-3+12
+10.0Round 1🇺🇸 USA254♠x♦A+1+16
+6.8Round 4🇩🇪 GERMANY254♠♥A-1+10
+6.6Round 4🇩🇪 GERMANY274♥♣2=+0
+6.5Round 4🇩🇪 GERMANY264♦♠T-1+12
+5.5Round 11🇨🇦 CANADA233NT♥3+1+0
+5.2Round 11🇨🇦 CANADA213NT♥2-1+5
+5.1Round 6🇵🇱 POLAND122♠♣6-2+0
+4.9Round 9🇭🇰 HONG KONG CHINA84♠♦T-1+5
+4.8Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♥♣6+1+1
+4.7Round 3🇳🇱 NETHERLANDS193♥♥T=+6
+4.3Round 16🇮🇱 ISRAEL54NT♣K=-1
+4.1Round 13🇹🇼 CHINESE TAIPEI103♠♣A-1+11
+4.1Round 13🇹🇼 CHINESE TAIPEI114♠♣4+1+4
+3.9Round 1🇺🇸 USA215♣♦4=-1
+3.4Round 6🇵🇱 POLAND105♣♥A=+0
+2.8Round 6🇵🇱 POLAND94♠♦A-2+7
+2.8Round 9🇭🇰 HONG KONG CHINA73♠♣A=+6
+2.8Round 13🇹🇼 CHINESE TAIPEI91NT♦9=-1
+2.6Round 3🇳🇱 NETHERLANDS173NT♣2-1+5
+2.2Round 9🇭🇰 HONG KONG CHINA21NT♥4+1+0
+2.2Round 12🇹🇭 THAILAND252♠♥A+2-6
+1.8Round 11🇨🇦 CANADA172NT♣J+1+0
+1.8Round 12🇹🇭 THAILAND315♠♠2+1+11
+1.6Round 1🇺🇸 USA281NT♠2-1+9
+1.2Round 1🇺🇸 USA233♣♣6-3+4
+1.2Round 3🇳🇱 NETHERLANDS203NT♦4+1+1
+1.1Round 1🇺🇸 USA261NT♥3=+0
+1.1Round 13🇹🇼 CHINESE TAIPEI134♠♦6+1+0
+0.8Round 6🇵🇱 POLAND146♦♠9+1-2
+0.7Round 13🇹🇼 CHINESE TAIPEI123NT♣5+2+0
+0.5Round 3🇳🇱 NETHERLANDS223NT♣6=+0
+0.5Round 11🇨🇦 CANADA193NT♦5=+0
+0.4Round 11🇨🇦 CANADA244♦♠A=+7
+0.4Round 12🇹🇭 THAILAND324♥♣A+1+0
+0.2Round 16🇮🇱 ISRAEL81♦♣T+1-1
-0.0Round 9🇭🇰 HONG KONG CHINA43NT♥3-1+6
-0.1Round 1🇺🇸 USA274♠♦A=+0
-0.1Round 3🇳🇱 NETHERLANDS234♥♣Q+1+0
-0.5Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213NT♥6+2+10
-0.5Round 12🇹🇭 THAILAND264♠♣K=+0
-0.5Round 12🇹🇭 THAILAND292♠♣K=+0
-1.1Round 9🇭🇰 HONG KONG CHINA63♠♣3-1-6
-1.1Round 11🇨🇦 CANADA201NT♥6+1+0
-1.2Round 4🇩🇪 GERMANY312NT♣2-1-4
-1.2Round 9🇭🇰 HONG KONG CHINA53NT♠4-1-5
-1.4Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND241NT♥3+1+0
-1.4Round 15🇨🇳 CHINA284♠♣Q=-6
-1.4Round 16🇮🇱 ISRAEL33♦♣6-1+0
-1.5Round 13🇹🇼 CHINESE TAIPEI152♠♥5+1+0
-1.6Round 4🇩🇪 GERMANY283NT♥3+1-14
-1.6Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND182♦♣8+1+0
-1.6Round 13🇹🇼 CHINESE TAIPEI163♠♥Q=-10
-1.6Round 16🇮🇱 ISRAEL23♣♦A+1+0
-1.7Round 3🇳🇱 NETHERLANDS212NT♠9=+0
-1.7Round 6🇵🇱 POLAND112♥♦5=+0
-1.7Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND201♠♣T+4-2
-1.8Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND174♥♠K-1+2
-2.1Round 4🇩🇪 GERMANY295♦♥A=+2
-2.2Round 16🇮🇱 ISRAEL42♠♥4+1-1
-2.3Round 6🇵🇱 POLAND162♦♣8+1+0
-2.4Round 4🇩🇪 GERMANY326NT♠4=+11
-2.4Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233♠♥2-2-8
-2.5Round 15🇨🇳 CHINA273♥♦J+1-7
-2.5Round 16🇮🇱 ISRAEL14♠♣J+2-11
-2.9Round 3🇳🇱 NETHERLANDS244♠♥4-1-5
-3.0Round 11🇨🇦 CANADA225♠♥3+1+1
-3.4Round 6🇵🇱 POLAND154♠♣4=+0
-3.4Round 15🇨🇳 CHINA262♥♥5=+0
-3.5Round 12🇹🇭 THAILAND303♦x♠2-1-8
-3.8Round 12🇹🇭 THAILAND274♠♥Q-1-10
-4.6Round 6🇵🇱 POLAND134♥♣4+2-1
-4.8Round 15🇨🇳 CHINA321NTx♠A-2-4
-5.2Round 12🇹🇭 THAILAND284♠♦Q=-7
-5.4Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♣7-1-10
-5.6Round 11🇨🇦 CANADA183NT♥8-3-14
-5.6Round 15🇨🇳 CHINA295♣♦K-2-8
-6.1Round 16🇮🇱 ISRAEL64♥x♦2=-5
-6.2Round 1🇺🇸 USA224♠♦Q-2-8
-7.6Round 15🇨🇳 CHINA314♠♥A-2-2
-7.6Round 16🇮🇱 ISRAEL74♠♦6=-10
-7.8Round 15🇨🇳 CHINA304♠♥6-2-11
-7.9Round 13🇹🇼 CHINESE TAIPEI146♥♦A-2-11
-8.1Round 15🇨🇳 CHINA253NT♠5+1-11
-8.8Round 4🇩🇪 GERMANY305♣x♠Q-3-9
-8.9Round 9🇭🇰 HONG KONG CHINA14♠♥4=-1