🇸🇬 PONG Yi Zhen · SINGAPORE

103rank
-171.4Butler · 196 bds
-0.87per board
±4.8swing
-0.97vs par /bd · #96/111
-0.66adjusted /bd
Butler per round: -3.2 -8.1 -21.3 -27.5 -8.8 -1.6 -32.3 8 4.8 -15.1 -33.3 11.4 -10.9 -33.5by round

vs par split: bidding +0.01 · play -0.99

Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted -0.66/bd

Card play — on target: opening leads 78.6% #54 of 111 · declarer play 72.5% #64 of 111 · defence 75.0% #97 of 111

Bidding activity — not a pass: 44.2% #40 of 111 (228/516)

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)81.5% (27)
Declarer play41.7% (12)82.1% (39)
Defence79.4% (34)72.7% (66)

Opening leads by suit led: ♠ 83.3% (12) · ♥ 63.6% (11) · ♦ 100.0% (8) · ♣ 72.7% (11)

vs par by strain: NT -0.98 (54) · a suit -0.99 (141)

vs par by level: part-score -2.26 (80) · game -0.35 (109) · slam +4.50 (6)

By role: declaring -0.84/bd (-2.91 vs par · 96) · defending -0.91/bd (+0.88 vs par · 100)

By vulnerability: vulnerable -0.88/bd (-1.24 vs par · 98) · not vulnerable -0.87/bd (-0.71 vs par · 98)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.OhW.Klarenbeek – M.GoorClosed14-3.2-0.23+0.50
Round 4Y.GohY.Niu – Z.WangClosed14-8.1-0.58+0.71
Round 5L.OhC.Baumgart – E.LangerOpen14-21.3-1.52-1.57
Round 6L.OhM.Xu – O.SchiresonClosed14-27.5-1.96-1.29
Round 7L.OhZ.Yan – R.SongOpen14-8.8-0.63-2.21
Round 8L.OhM.Saetre – A.BrogelandClosed14-1.6-0.11+1.43
Round 9L.OhF.Kurlit – W.BakOpen14-32.3-2.31-2.00
Round 10L.OhL.Topper – G.MorganOpen14+8.0+0.57+1.07
Round 13Y.GohT.Yip – K.KungClosed14+4.8+0.34+0.57
Round 14Y.GohO.Sabbah – Y.SliwowiczClosed14-15.1-1.08-1.86
Round 15L.OhY.Inoue – K.TakizawaOpen14-33.3-2.38-3.86
Round 16L.OhJ.Xiong – K.YangOpen14+11.4+0.81+1.07
Round 17L.OhL.Rombaut – A.GallardClosed14-10.9-0.78-1.57
Round 19L.OhK.Dezso – B.ZabradiOpen14-33.5-2.39-4.64

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
+11.4Round 14🇮🇱 ISRAEL166♣x♠3=+4
+11.4Round 16🇨🇦 CANADA234♥♦7+3+17
+11.0Round 6🇺🇸 USA1282♥x♥K=+12
+10.3Round 4🇨🇳 CHINA194♠x♥A=+12
+9.5Round 8🇳🇴 NORWAY253NT♠3=+14
+8.2Round 7🇳🇿 NEW ZEALAND13NT♠6+1+4
+7.8Round 4🇨🇳 CHINA213NT♦K=+10
+7.7Round 10🇦🇺 AUSTRALIA203♥♣A=+12
+7.6Round 17🇫🇷 FRANCE146♣x♠5=+11
+7.5Round 16🇨🇦 CANADA185♠♥6-2+11
+7.4Round 15🇯🇵 JAPAN56♠♣2-1+13
+6.8Round 17🇫🇷 FRANCE83♥♥2-1+6
+6.3Round 13🇭🇰 HONG KONG CHINA64♠♣A-2+6
+6.1Round 5🇩🇪 GERMANY95♥x♠A-1+7
+5.8Round 7🇳🇿 NEW ZEALAND84♠♥5-1+4
+5.8Round 14🇮🇱 ISRAEL204♥♠T+2+1
+5.7Round 1🇳🇱 NETHERLANDS134♠♥A-2+8
+5.7Round 10🇦🇺 AUSTRALIA242♠♥A+4+13
+5.7Round 10🇦🇺 AUSTRALIA263♣♥9-1+5
+5.2Round 1🇳🇱 NETHERLANDS104♦♠Q=+0
+5.2Round 8🇳🇴 NORWAY193NT♠2+3+14
+5.1Round 13🇭🇰 HONG KONG CHINA33NT♠2-1+10
+5.1Round 16🇨🇦 CANADA272♦♥3+2+8
+5.0Round 7🇳🇿 NEW ZEALAND42♥♥5=+0
+4.8Round 9🇵🇱 POLAND73NT♠J=-13
+4.7Round 1🇳🇱 NETHERLANDS53NT♣A-1+12
+4.7Round 1🇳🇱 NETHERLANDS122♠♥8+2+10
+4.3Round 7🇳🇿 NEW ZEALAND123♠♥A-1+6
+4.1Round 9🇵🇱 POLAND25♥♠A-1+12
+3.9Round 13🇭🇰 HONG KONG CHINA123NT♦K-3+10
+3.9Round 17🇫🇷 FRANCE42♠♦A-2+3
+3.6Round 1🇳🇱 NETHERLANDS33NT♦3+2-12
+3.6Round 9🇵🇱 POLAND142♦♥9=+11
+3.6Round 17🇫🇷 FRANCE93♠♣K-2+0
+3.4Round 16🇨🇦 CANADA223♠♦8=+1
+3.0Round 10🇦🇺 AUSTRALIA152♠♦8=-1
+2.9Round 9🇵🇱 POLAND64♠♦T=-1
+2.9Round 13🇭🇰 HONG KONG CHINA96NT♠6+1+11
+2.6Round 8🇳🇴 NORWAY182♥♦4+2+4
+2.5Round 5🇩🇪 GERMANY123♠♥7-2+7
+2.5Round 17🇫🇷 FRANCE14♠♥A-4+6
+2.5Round 17🇫🇷 FRANCE24♠♥2+1+0
+2.4Round 15🇯🇵 JAPAN102♠♦Q-2-9
+2.3Round 4🇨🇳 CHINA273NT♠2-1+5
+2.3Round 5🇩🇪 GERMANY105♠♣A-2+13
+2.3Round 16🇨🇦 CANADA154♠♣A-2+2
+2.0Round 8🇳🇴 NORWAY233♣♠A-1+6
+2.0Round 10🇦🇺 AUSTRALIA213NT♦3-1-1
+1.9Round 5🇩🇪 GERMANY81♥♦A=+5
+1.9Round 7🇳🇿 NEW ZEALAND62♠♣A+1-8
+1.9Round 8🇳🇴 NORWAY283♥♥8+1+1
+1.9Round 19🇭🇺 HUNGARY102♣♠6+3-11
+1.8Round 8🇳🇴 NORWAY163♣♣T=+0
+1.8Round 15🇯🇵 JAPAN34♠♣8=-1
+1.7Round 7🇳🇿 NEW ZEALAND102♦♠3+1+1
+1.5Round 5🇩🇪 GERMANY54♠♦K=+0
+1.4Round 1🇳🇱 NETHERLANDS14♠♣A+1+0
+1.4Round 6🇺🇸 USA1261NT♠2+1+0
+1.4Round 14🇮🇱 ISRAEL254♠♣A+3+14
+1.3Round 10🇦🇺 AUSTRALIA163NT♦J-1+1
+1.3Round 19🇭🇺 HUNGARY91NT♦4-1+4
+1.3Round 19🇭🇺 HUNGARY124♠♦T+1+0
+1.2Round 1🇳🇱 NETHERLANDS113♠♣5=+1
+1.2Round 6🇺🇸 USA1242NT♦4-1+4
+1.2Round 19🇭🇺 HUNGARY15♣♦3=-2
+1.1Round 14🇮🇱 ISRAEL154♠♣K+1+0
+1.1Round 16🇨🇦 CANADA165♦♥2=+1
+0.9Round 13🇭🇰 HONG KONG CHINA134♠♦A=+1
+0.8Round 5🇩🇪 GERMANY42♠♥A+1+0
+0.8Round 13🇭🇰 HONG KONG CHINA113♣♦9+1-7
+0.6Round 7🇳🇿 NEW ZEALAND112♠♦K=-1
+0.6Round 14🇮🇱 ISRAEL213NT♥9+2+0
+0.5Round 4🇨🇳 CHINA251NT♣K+1+1
+0.3Round 19🇭🇺 HUNGARY62♥♣2+1-10
+0.2Round 4🇨🇳 CHINA184♠♣T+1+0
+0.2Round 10🇦🇺 AUSTRALIA192♠♦4=+1
+0.2Round 14🇮🇱 ISRAEL183NT♣6=-1
+0.1Round 4🇨🇳 CHINA203NT♠J+1+0
+0.1Round 8🇳🇴 NORWAY174♥♣3+1+0
+0.1Round 14🇮🇱 ISRAEL263NT♠3+1+0
-0.1Round 13🇭🇰 HONG KONG CHINA84♠♦K+1+11
-0.1Round 14🇮🇱 ISRAEL171NT♣6-2-1
-0.1Round 15🇯🇵 JAPAN14♠♦J+1+0
-0.1Round 17🇫🇷 FRANCE31NT♠4=-1
-0.2Round 6🇺🇸 USA1235♦♠A-1+6
-0.2Round 9🇵🇱 POLAND84♥♠3=-1
-0.3Round 15🇯🇵 JAPAN134♥♣4=-1
-0.3Round 16🇨🇦 CANADA173♦♠5=-7
-0.3Round 17🇫🇷 FRANCE105♣♦2=-1
-0.4Round 4🇨🇳 CHINA282♥♠4+1+0
-0.4Round 13🇭🇰 HONG KONG CHINA142♥♣5=+0
-0.4Round 16🇨🇦 CANADA203NT♦8+2+0
-0.5Round 6🇺🇸 USA1154♠♣T+1+0
-0.6Round 6🇺🇸 USA1253♣♠A-1-2
-0.7Round 1🇳🇱 NETHERLANDS45♠♣A+1-1
-0.7Round 8🇳🇴 NORWAY241♦♠9+3+7
-0.7Round 10🇦🇺 AUSTRALIA233NT♣6+1-1
-0.7Round 16🇨🇦 CANADA214♠♥A+1+0
-0.8Round 4🇨🇳 CHINA164♠♣3+1+0
-0.8Round 15🇯🇵 JAPAN64♠♥K+2+14
-0.9Round 19🇭🇺 HUNGARY44♥♦5=+1
-1.1Round 9🇵🇱 POLAND115♣♥Q=-11
-1.1Round 13🇭🇰 HONG KONG CHINA53NT♥4-1-4
-1.2Round 10🇦🇺 AUSTRALIA253NT♥4+2-1
-1.3Round 7🇳🇿 NEW ZEALAND54♥♠5-1+2
-1.4Round 13🇭🇰 HONG KONG CHINA12♥♦A=-1
-1.5Round 10🇦🇺 AUSTRALIA283♠♣A-1+2
-1.5Round 14🇮🇱 ISRAEL243♦♣7-1+2
-1.7Round 1🇳🇱 NETHERLANDS71NT♥3=-5
-1.7Round 9🇵🇱 POLAND33NT♣3+2-1
-1.7Round 15🇯🇵 JAPAN83♣♠K+1+0
-1.8Round 9🇵🇱 POLAND92♠♥Q+2-1
-1.9Round 4🇨🇳 CHINA224♠♣2+1+0
-1.9Round 13🇭🇰 HONG KONG CHINA23NT♦2-1-10
-1.9Round 17🇫🇷 FRANCE6Adj.♦2+1
-1.9Round 19🇭🇺 HUNGARY114♠♥6-1-5
-2.0Round 1🇳🇱 NETHERLANDS24♥♦K+3+12
-2.1Round 5🇩🇪 GERMANY143NT♠6+1-1
-2.1Round 19🇭🇺 HUNGARY132♣♥8-1-11
-2.2Round 6🇺🇸 USA1165♥x♣T-5-15
-2.2Round 6🇺🇸 USA1194♥♣3+1+0
-2.2Round 9🇵🇱 POLAND123NT♥3+1+1
-2.4Round 8🇳🇴 NORWAY154♥♦7+1+0
-2.4Round 10🇦🇺 AUSTRALIA222♥♦J-1+0
-2.4Round 16🇨🇦 CANADA244NT♠3=+0
-2.5Round 5🇩🇪 GERMANY33♣♥2=-6
-2.5Round 15🇯🇵 JAPAN142♥♦T+3-6
-2.5Round 19🇭🇺 HUNGARY143♠♣K-1-4
-2.6Round 6🇺🇸 USA1223NT♠4=+0
-2.6Round 8🇳🇴 NORWAY261NT♥J+1-10
-2.7Round 10🇦🇺 AUSTRALIA274♣♠3+2-13
-2.9Round 16🇨🇦 CANADA283♠♥K=-7
-3.0Round 5🇩🇪 GERMANY71NT♠7=-6
-3.0Round 8🇳🇴 NORWAY214♠♣K+1-4
-3.0Round 9🇵🇱 POLAND105♦♥6=+1
-3.1Round 6🇺🇸 USA1185♣♦Q=+2
-3.1Round 13🇭🇰 HONG KONG CHINA103NT♦Q-1-12
-3.2Round 4🇨🇳 CHINA234♠♦J+1+13
-3.2Round 5🇩🇪 GERMANY13NT♥A+2-2
-3.2Round 15🇯🇵 JAPAN112♦♥3=-13
-3.3Round 6🇺🇸 USA1214♥♣2-1-5
-3.3Round 13🇭🇰 HONG KONG CHINA43NT♠J+3-1
-3.5Round 1🇳🇱 NETHERLANDS141NT♥T+1-7
-3.5Round 16🇨🇦 CANADA194♠♥4=+1
-3.6Round 5🇩🇪 GERMANY135♣♦K=-13
-3.8Round 4🇨🇳 CHINA154♠♦9-1-10
-3.8Round 13🇭🇰 HONG KONG CHINA73♦♥K=-6
-3.8Round 14🇮🇱 ISRAEL223NT♥3=-7
-3.9Round 5🇩🇪 GERMANY23NT♦7-2-6
-3.9Round 7🇳🇿 NEW ZEALAND133NT♣8=+1
-3.9Round 7🇳🇿 NEW ZEALAND143♠♣K=-7
-3.9Round 16🇨🇦 CANADA262♥♣J+2-10
-4.2Round 14🇮🇱 ISRAEL194♥♠A+1-7
-4.2Round 15🇯🇵 JAPAN23NT♦A-2-6
-4.3Round 10🇦🇺 AUSTRALIA184♣♦K+1-1
-4.3Round 19🇭🇺 HUNGARY74♠x♣6-1-2
-4.6Round 8🇳🇴 NORWAY272♥♦3+4-6
-4.7Round 19🇭🇺 HUNGARY21NT♠4-1-4
-4.8Round 10🇦🇺 AUSTRALIA173NT♥2+2-1
-4.9Round 15🇯🇵 JAPAN121♦♠2+5-13
-5.1Round 8🇳🇴 NORWAY222♥♣K+1-7
-5.2Round 7🇳🇿 NEW ZEALAND93♦♣Q-3-9
-5.2Round 14🇮🇱 ISRAEL285♠x♣J-1-11
-5.2Round 17🇫🇷 FRANCE114♠x♥J-2-5
-5.3Round 16🇨🇦 CANADA253♠♣J-2-2
-5.4Round 15🇯🇵 JAPAN74♠♣4-1-6
-5.6Round 7🇳🇿 NEW ZEALAND74♠♣Q+1-1
-5.7Round 4🇨🇳 CHINA174♠♣K-3-11
-5.9Round 4🇨🇳 CHINA264♥x♣8-1-8
-5.9Round 17🇫🇷 FRANCE53♣♥A+1-11
-6.0Round 19🇭🇺 HUNGARY33♦♥3-1-6
-6.1Round 9🇵🇱 POLAND44♦♠4+1-7
-6.2Round 17🇫🇷 FRANCE73♦♣K-1-11
-6.3Round 8🇳🇴 NORWAY201NT♥5=+1
-6.4Round 14🇮🇱 ISRAEL276♠♠7=-12
-6.5Round 1🇳🇱 NETHERLANDS63NT♠2=+0
-7.2Round 7🇳🇿 NEW ZEALAND22♠♥6=-11
-7.3Round 1🇳🇱 NETHERLANDS84♠x♠J-2-5
-7.6Round 4🇨🇳 CHINA245♥x♦5-3-2
-7.8Round 5🇩🇪 GERMANY113NT♣4-1-10
-8.0Round 1🇳🇱 NETHERLANDS95♦♥A-1-6
-8.1Round 6🇺🇸 USA1172♠♥2-1-10
-8.2Round 9🇵🇱 POLAND14♠♦A=-7
-8.4Round 6🇺🇸 USA1206NT♥A=+0
-8.5Round 17🇫🇷 FRANCE133♥♦K+2-10
-8.5Round 19🇭🇺 HUNGARY84♥♥A-1-5
-8.6Round 19🇭🇺 HUNGARY53NT♦J=-10
-9.1Round 15🇯🇵 JAPAN91♠♠A-1-12
-9.2Round 7🇳🇿 NEW ZEALAND34♥♠7=-12
-9.7Round 17🇫🇷 FRANCE123NT♣2-1-10
-9.8Round 9🇵🇱 POLAND53NT♥6=+2
-9.9Round 6🇺🇸 USA1273♥♠J-1-10
-10.3Round 5🇩🇪 GERMANY64♥x♠6=-10
-12.7Round 15🇯🇵 JAPAN42NTx♥5-3-14
-13.6Round 9🇵🇱 POLAND134♥x♣A-5-13
-14.5Round 14🇮🇱 ISRAEL234♠x♦T-6-8