🇸🇬 TIOH Jing Kai · SINGAPORE

111rank
-308.2Butler · 224 bds
-1.38per board
±4.2swing
-1.54vs par /bd · #106/111
-1.34adjusted /bd
Butler per round: -35.3 28 -20.6 -13.2 -6.4 -24.8 -41.9 -46 -33.9 13.9 -23.4 0.3 -17.2 -38.1 -35.4 -14.2by round

vs par split: bidding -0.63 · play -0.87

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -1.34/bd

Card play — on target: opening leads 70.5% #102 of 111 · declarer play 57.7% #103 of 111 · defence 75.6% #94 of 111

Bidding activity — not a pass: 44.4% #37 of 111 (264/595)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (18)79.1% (43)
Declarer play64.3% (14)55.3% (38)
Defence70.0% (30)77.5% (89)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 80.0% (15) · ♦ 63.2% (19) · ♣ 73.7% (19)

vs par by strain: NT -0.55 (67) · a suit -1.92 (156)

vs par by level: part-score -1.45 (94) · game -1.04 (117) · slam -6.50 (12)

By role: declaring -1.84/bd (-4.73 vs par · 105) · defending -0.97/bd (+1.27 vs par · 119)

By vulnerability: vulnerable -1.35/bd (-1.56 vs par · 112) · not vulnerable -1.40/bd (-1.53 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.SiewX.Friesen – R.GoorOpen14-35.3-2.52-2.71
Round 2R.SiewE.Connell – A.ArmstrongOpen14+28.0+2.00+0.93
Round 3R.SiewD.Tylvad – C.LahrmannOpen14-20.6-1.47-4.07
Round 4R.SiewH.Ma – Z.WangOpen14-13.2-0.94-2.07
Round 5R.SiewB.Doerdelmann – R.ArendClosed14-6.4-0.46+0.14
Round 8Y.GohC.Johnsen – T.ToesseOpen14-24.8-1.77-4.07
Round 9Y.GohL.Ciborowska – K.CiborowskiClosed14-41.9-2.99-3.29
Round 10R.SiewLUKE - PAREDI Jack – G.BartleyClosed14-46.0-3.29-4.07
Round 11R.SiewA.Zhou – M.HuOpen14-33.9-2.42+0.21
Round 12R.SiewK.Chheda – V.NanduOpen14+13.9+0.99+1.79
Round 13R.SiewJ.Chiang – D.KoOpen14-23.4-1.67-2.07
Round 14R.SiewO.Manzur – S.ZurOpen14+0.3+0.02+0.71
Round 15R.SiewK.Hasegawa – T.InamiClosed14-17.2-1.23+1.07
Round 16R.SiewC.He – Z.ChengClosed14-38.1-2.72-3.50
Round 18R.SiewT.Gardner – A.CopeClosed14-35.4-2.53-4.29
Round 19R.SiewJ.Marki-Zay – M.JanosikClosed14-14.2-1.01+0.57

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
+9.2Round 2🇮🇪 IRELAND156♠♣5=-13
+8.2Round 3🇩🇰 DENMARK23♦♣A-5+4
+7.5Round 16🇨🇦 CANADA224♠♣A-3+9
+7.4Round 2🇮🇪 IRELAND262NT♣A+1+8
+7.4Round 5🇩🇪 GERMANY44♠♥A-2+8
+6.7Round 3🇩🇰 DENMARK44♠♣2-3+5
+6.4Round 14🇮🇱 ISRAEL235♦x♥Q+1-9
+6.2Round 13🇭🇰 HONG KONG CHINA74♠♣7-2+8
+5.9Round 15🇯🇵 JAPAN54♠♦Q+1+0
+5.7Round 5🇩🇪 GERMANY94♥♦4+1+6
+5.3Round 2🇮🇪 IRELAND193♠♥J-3+4
+5.1Round 2🇮🇪 IRELAND183♦♥A+2+13
+4.9Round 8🇳🇴 NORWAY253♠♣3+1-6
+4.8Round 12🇮🇳 INDIA192♠♥5+1+0
+4.5Round 12🇮🇳 INDIA166NT♠4+1+11
+4.4Round 14🇮🇱 ISRAEL204♠x♥K-1+10
+4.1Round 4🇨🇳 CHINA213♠♦A-3+2
+3.9Round 1🇳🇱 NETHERLANDS114♠♥A-1+4
+3.9Round 8🇳🇴 NORWAY196♣♠J=-12
+3.8Round 5🇩🇪 GERMANY123♥♠A-1-2
+3.8Round 14🇮🇱 ISRAEL173NT♦9-1+5
+3.8Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193♠♥J-1+6
+3.7Round 4🇨🇳 CHINA263NT♣8-1+6
+3.7Round 12🇮🇳 INDIA253NT♣2=+10
+3.7Round 14🇮🇱 ISRAEL284♠♥Q-1+10
+3.6Round 8🇳🇴 NORWAY162♠♣6-1+5
+3.6Round 16🇨🇦 CANADA273NT♥T+3+1
+3.2Round 2🇮🇪 IRELAND213♥♣A-1-2
+3.2Round 4🇨🇳 CHINA234♠♣8+1-13
+3.2Round 13🇭🇰 HONG KONG CHINA44♥♣T+2+1
+3.2Round 19🇭🇺 HUNGARY106NT♦2-1+13
+3.1Round 15🇯🇵 JAPAN43♠♣K-2+7
+3.0Round 5🇩🇪 GERMANY71NT♠A=+6
+2.9Round 2🇮🇪 IRELAND165♦♣Q+1+16
+2.9Round 3🇩🇰 DENMARK116♣♣2=-2
+2.8Round 11🇺🇸 USA213NT♦3+2+1
+2.6Round 10🇦🇺 AUSTRALIA154♥♦8-2+6
+2.4Round 2🇮🇪 IRELAND171NT♦2=+0
+2.3Round 5🇩🇪 GERMANY23NT♠Q-1+5
+2.3Round 12🇮🇳 INDIA277♣♦4=-2
+2.2Round 2🇮🇪 IRELAND284♠♦7+3-12
+2.2Round 9🇵🇱 POLAND123NT♦5+1-1
+2.2Round 12🇮🇳 INDIA214♠♣A=-1
+2.2Round 12🇮🇳 INDIA283NT♦J+1+1
+2.1Round 2🇮🇪 IRELAND221♠♥4-1+15
+2.1Round 5🇩🇪 GERMANY143NT♠6+1+1
+1.9Round 13🇭🇰 HONG KONG CHINA23NT♦2-1+10
+1.9Round 14🇮🇱 ISRAEL163NT♥6+3+12
+1.9Round 19🇭🇺 HUNGARY114♠♣J-1+5
+1.7Round 1🇳🇱 NETHERLANDS71NT♠5=+5
+1.7Round 3🇩🇰 DENMARK143♦♥Q+2+4
+1.7Round 15🇯🇵 JAPAN83♣♠4+1+0
+1.6Round 9🇵🇱 POLAND13♠♦A=+0
+1.6Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♣♦A-2-8
+1.5Round 12🇮🇳 INDIA153♦♠5-1+0
+1.4Round 2🇮🇪 IRELAND234♥♣K+2+13
+1.4Round 11🇺🇸 USA2103♠♣J+3+9
+1.4Round 13🇭🇰 HONG KONG CHINA142♥♠3+1+1
+1.4Round 16🇨🇦 CANADA203NT♦9+3+1
+1.3Round 19🇭🇺 HUNGARY62♦♥K=+11
+1.2Round 1🇳🇱 NETHERLANDS61NT♠2+3-6
+1.2Round 10🇦🇺 AUSTRALIA253NT♣7+2+1
+1.1Round 5🇩🇪 GERMANY133NT♦6+3+13
+1.1Round 11🇺🇸 USA2144♦x♥A-2+4
+1.1Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND274♥♠5-3-2
+1.0Round 4🇨🇳 CHINA223NT♥T+1-1
+1.0Round 19🇭🇺 HUNGARY32♦♣A+1+1
+0.9Round 8🇳🇴 NORWAY242♠♣A+1-6
+0.9Round 19🇭🇺 HUNGARY44♥♣J=-1
+0.8Round 4🇨🇳 CHINA164♠♥2+1+0
+0.8Round 4🇨🇳 CHINA193♠♦Q=-1
+0.6Round 2🇮🇪 IRELAND243NT♦3+2+0
+0.5Round 3🇩🇰 DENMARK62♠♣2-1-1
+0.5Round 11🇺🇸 USA234♥♣A=+1
+0.4Round 3🇩🇰 DENMARK72♠♣A+2-1
+0.4Round 11🇺🇸 USA242NT♦J+1+0
+0.4Round 12🇮🇳 INDIA262♠♦A+1+10
+0.4Round 19🇭🇺 HUNGARY23♦♠5=+0
+0.3Round 15🇯🇵 JAPAN134♥♣4=+1
+0.2Round 9🇵🇱 POLAND84♥♠5=+1
+0.2Round 12🇮🇳 INDIA184♠♣T-2-5
+0.2Round 19🇭🇺 HUNGARY133♠♥5+1+10
+0.1Round 1🇳🇱 NETHERLANDS105♦♠Q-1+6
+0.1Round 13🇭🇰 HONG KONG CHINA134♠♥8+1+0
+0.1Round 15🇯🇵 JAPAN14♠♣T+1+0
+0.1Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND221NT♦6=+1
+0.0Round 9🇵🇱 POLAND113NT♥9+1+10
-0.1Round 8🇳🇴 NORWAY174♥♦6+1+0
-0.1Round 12🇮🇳 INDIA204♥♠A+1+0
-0.1Round 14🇮🇱 ISRAEL263NT♠8+1+0
-0.2Round 4🇨🇳 CHINA185♠♥3=+0
-0.2Round 12🇮🇳 INDIA232NT♦A=+0
-0.2Round 15🇯🇵 JAPAN63NT♥4+2-14
-0.3Round 10🇦🇺 AUSTRALIA245♠♥A=-11
-0.4Round 12🇮🇳 INDIA174♠♦5=+0
-0.4Round 16🇨🇦 CANADA172♦♠5+2+7
-0.6Round 14🇮🇱 ISRAEL213NT♥9+2+0
-0.6Round 19🇭🇺 HUNGARY51NT♥4=-1
-0.7Round 4🇨🇳 CHINA284♦♥6-2-1
-0.7Round 13🇭🇰 HONG KONG CHINA84♥♦T=-11
-0.9Round 3🇩🇰 DENMARK102♥♣2+2-10
-0.9Round 9🇵🇱 POLAND91NT♦2=-2
-0.9Round 15🇯🇵 JAPAN125♦♠3=+11
-0.9Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203NT♥4=+2
-1.1Round 4🇨🇳 CHINA203NT♠5=-1
-1.1Round 11🇺🇸 USA292♠♥7-2-1
-1.1Round 14🇮🇱 ISRAEL154♠♣A+1+0
-1.2Round 1🇳🇱 NETHERLANDS44♠♣A=-1
-1.2Round 14🇮🇱 ISRAEL183NT♥3+1+0
-1.2Round 15🇯🇵 JAPAN102NT♥K+1+10
-1.3Round 10🇦🇺 AUSTRALIA262♣♥9=+0
-1.3Round 16🇨🇦 CANADA214♠♣5+3-2
-1.3Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND161NT♠6-1+2
-1.3Round 19🇭🇺 HUNGARY91NT♦4-1-4
-1.4Round 1🇳🇱 NETHERLANDS14♠♣A+1+0
-1.4Round 9🇵🇱 POLAND42♥♣6+2-1
-1.4Round 13🇭🇰 HONG KONG CHINA62♥♣K-1-1
-1.4Round 14🇮🇱 ISRAEL255♠♣A+2-14
-1.5Round 3🇩🇰 DENMARK83NT♣2=+1
-1.5Round 4🇨🇳 CHINA251NT♣Q=-2
-1.5Round 5🇩🇪 GERMANY54♠♦K=+0
-1.5Round 14🇮🇱 ISRAEL243♣♠J-1-4
-1.6Round 13🇭🇰 HONG KONG CHINA122NT♦A-2-8
-1.7Round 3🇩🇰 DENMARK52NT♣7+1+0
-1.7Round 8🇳🇴 NORWAY221NT♥6+1+0
-1.7Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173NT♣8=-2
-1.8Round 16🇨🇦 CANADA236♦♣K=-13
-1.9Round 5🇩🇪 GERMANY81♥♦A=-5
-1.9Round 8🇳🇴 NORWAY282♥♣K+2-1
-1.9Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153♠♦8-2-9
-1.9Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND255♥♠K+1-1
-2.0Round 8🇳🇴 NORWAY274♥♦9+2-1
-2.0Round 10🇦🇺 AUSTRALIA184♣♥K-1-6
-2.0Round 11🇺🇸 USA2113♥♦8-1-6
-2.1Round 8🇳🇴 NORWAY232♠♦9=-6
-2.1Round 15🇯🇵 JAPAN23♣♠2+1+0
-2.2Round 2🇮🇪 IRELAND255♦♥J=-11
-2.2Round 11🇺🇸 USA224♠♣K-1+2
-2.3Round 19🇭🇺 HUNGARY84♥♦8=-7
-2.4Round 10🇦🇺 AUSTRALIA275♣♠Q+1+11
-2.5Round 1🇳🇱 NETHERLANDS35♣♦Q+1+13
-2.5Round 5🇩🇪 GERMANY34♣♠A-2+0
-2.5Round 5🇩🇪 GERMANY113NT♦4=+1
-2.6Round 1🇳🇱 NETHERLANDS82♦x♥4-1-5
-2.6Round 8🇳🇴 NORWAY182♥♣5+2-4
-2.6Round 10🇦🇺 AUSTRALIA173♠♣8=-7
-2.6Round 10🇦🇺 AUSTRALIA212♦♣4+2+0
-2.6Round 11🇺🇸 USA252♠♥J+1+4
-2.7Round 13🇭🇰 HONG KONG CHINA12♥♦A-1-4
-2.7Round 16🇨🇦 CANADA252♠♦K=-6
-2.7Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND181NT♣6=-6
-2.7Round 19🇭🇺 HUNGARY73♠♣6=-7
-2.8Round 5🇩🇪 GERMANY63NT♠T-1-5
-2.8Round 10🇦🇺 AUSTRALIA204♥♣A-1-9
-2.8Round 15🇯🇵 JAPAN35♠♣8=+0
-2.9Round 3🇩🇰 DENMARK14♣♣2-1-2
-2.9Round 11🇺🇸 USA2124♥♠A+1+13
-2.9Round 12🇮🇳 INDIA222♥♣K+2+6
-2.9Round 13🇭🇰 HONG KONG CHINA96NT♥9+1-11
-3.1Round 1🇳🇱 NETHERLANDS94♠♦K+1-8
-3.1Round 19🇭🇺 HUNGARY125♦x♠K-2-2
-3.2Round 15🇯🇵 JAPAN144♥♣Q=+1
-3.3Round 8🇳🇴 NORWAY203NT♥2-3-10
-3.3Round 14🇮🇱 ISRAEL275♠♦Q+1+5
-3.4Round 1🇳🇱 NETHERLANDS133♠♦7-1-6
-3.5Round 19🇭🇺 HUNGARY142♠♣K+2-2
-3.6Round 9🇵🇱 POLAND142♦♠Q=-11
-3.7Round 13🇭🇰 HONG KONG CHINA52♠♥A+1-2
-3.8Round 1🇳🇱 NETHERLANDS143NT♥2+1+0
-3.8Round 2🇮🇪 IRELAND204♠♣Q-2-8
-3.8Round 3🇩🇰 DENMARK136NT♣2-1-17
-3.8Round 9🇵🇱 POLAND64♠♥K+1+0
-3.9Round 10🇦🇺 AUSTRALIA283♠♠4+1-7
-3.9Round 11🇺🇸 USA273NT♣2+2-2
-3.9Round 14🇮🇱 ISRAEL192♦♦4+2+0
-4.0Round 4🇨🇳 CHINA273NT♠T-2-6
-4.1Round 9🇵🇱 POLAND24♥♦5-1-12
-4.3Round 12🇮🇳 INDIA242NT♥2-2-5
-4.3Round 15🇯🇵 JAPAN93NT♥J+3-1
-4.4Round 16🇨🇦 CANADA242♦♣6+3-7
-4.5Round 8🇳🇴 NORWAY262♥♠3-4+5
-4.5Round 10🇦🇺 AUSTRALIA192♠♥8-1-5
-4.6Round 10🇦🇺 AUSTRALIA222♥♦T+2-7
-4.6Round 15🇯🇵 JAPAN113NT♥2=+11
-4.7Round 1🇳🇱 NETHERLANDS54♥♠3-1-12
-4.7Round 16🇨🇦 CANADA285♣x♠A-2-2
-4.8Round 9🇵🇱 POLAND134♣♦A=-10
-4.8Round 16🇨🇦 CANADA264♥♣J=+0
-5.0Round 9🇵🇱 POLAND103♠♦3+2-9
-5.1Round 13🇭🇰 HONG KONG CHINA3Adj.♥9-10
-5.2Round 4🇨🇳 CHINA243♠♣2-1-10
-5.3Round 11🇺🇸 USA263NT♠J+2-2
-5.5Round 9🇵🇱 POLAND53NT♥2-2-13
-6.3Round 9🇵🇱 POLAND73NT♠J+2+13
-6.5Round 16🇨🇦 CANADA163♦♣5+2-7
-6.6Round 4🇨🇳 CHINA174♠♦Q=+0
-6.8Round 14🇮🇱 ISRAEL223NT♠3-1-5
-7.2Round 16🇨🇦 CANADA154♥♣4-4-7
-7.3Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND231♦♦A-2-10
-7.5Round 4🇨🇳 CHINA154♠♦9+1-2
-7.5Round 13🇭🇰 HONG KONG CHINA114♠♦5=+0
-7.5Round 16🇨🇦 CANADA194♠♥4-2-11
-7.6Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262♥♠5+2-10
-7.8Round 2🇮🇪 IRELAND274♠♥3-1-10
-8.3Round 8🇳🇴 NORWAY212♠♣A+2-8
-8.3Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213NT♦J-2-13
-8.4Round 18🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND286♥♠2-4-10
-8.6Round 5🇩🇪 GERMANY13NT♥4-1-10
-9.0Round 15🇯🇵 JAPAN74♠♣4+1-11
-9.1Round 1🇳🇱 NETHERLANDS121NT♦J=-12
-9.3Round 3🇩🇰 DENMARK35♠♦A-1-11
-9.3Round 16🇨🇦 CANADA186NT♦2-3-12
-9.4Round 11🇺🇸 USA286♥♣A-1-10
-9.5Round 3🇩🇰 DENMARK94♥♣5=-10
-9.6Round 19🇭🇺 HUNGARY15♦x♠K-4-8
-10.4Round 1🇳🇱 NETHERLANDS24♠♥A-2-16
-10.5Round 9🇵🇱 POLAND33NT♣3-2-11
-10.6Round 13🇭🇰 HONG KONG CHINA103NT♥2+2-2
-10.7Round 11🇺🇸 USA2134♠♣7=-10
-10.9Round 10🇦🇺 AUSTRALIA232♦♠T+1-10
-11.4Round 3🇩🇰 DENMARK124♠♥A-2-17
-11.6Round 8🇳🇴 NORWAY154♥♣J-2-13
-11.9Round 10🇦🇺 AUSTRALIA163NT♦4+2-13
-12.0Round 5🇩🇪 GERMANY103♦x♥9-3-16