🇳🇿 YAN Zachary Hongxuan · NEW ZEALAND

77rank
-29.0Butler · 252 bds
-0.12per board
±4.5swing
-0.58vs par /bd · #86/111
-0.12adjusted /bd
Butler per round: 2.6 -16.3 -1.6 -23.4 -10.4 -0.8 8.8 -6.5 19 -11.4 -0.8 38.7 2.6 -51.2 14.2 10.5 -8.1 5.1by round

vs par split: bidding -0.65 · play +0.07

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.12/bd

Card play — on target: opening leads 79.7% #47 of 111 · declarer play 76.0% #41 of 111 · defence 81.6% #49 of 111

Bidding activity — not a pass: 39.7% #88 of 111 (279/703)

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)81.8% (44)
Declarer play69.6% (23)81.5% (27)
Defence80.6% (36)82.0% (89)

Opening leads by suit led: ♠ 84.6% (13) · ♥ 64.3% (14) · ♦ 85.7% (14) · ♣ 83.3% (18)

vs par by strain: NT -0.45 (84) · a suit -0.64 (168)

vs par by level: part-score +0.29 (91) · game -0.91 (146) · slam -2.60 (15)

By role: declaring -0.05/bd (-3.15 vs par · 127) · defending -0.18/bd (+2.03 vs par · 125)

By vulnerability: vulnerable -0.04/bd (-1.03 vs par · 126) · not vulnerable -0.19/bd (-0.13 vs par · 126)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.SongLUKE - PAREDI Jack – G.BartleyClosed14+2.6+0.19-0.64
Round 2R.SongM.Haas – S.PahkOpen14-16.3-1.16-1.29
Round 3R.SongJ.Pinto – T.ChowdhuryOpen14-1.6-0.11-3.29
Round 4R.SongJ.Chiang – D.KoOpen14-23.4-1.67-2.79
Round 5R.SongY.Sliwowicz – O.SabbahOpen14-10.4-0.74-0.36
Round 6R.SongY.Miura – Y.InamuraClosed14-0.8-0.06+0.00
Round 7R.SongL.Oh – Y.PongOpen14+8.8+0.63+2.21
Round 8R.SongE.Vallet – R.BlochClosed14-6.5-0.46-2.57
Round 9R.SongT.Gardner – A.CopeOpen14+19.0+1.36+0.07
Round 10R.SongM.Janosik – J.Marki-ZayClosed14-11.4-0.81-1.36
Round 11R.SongJ.Essink – G.FriesenClosed14-0.8-0.06-2.36
Round 12R.SongE.Connell – A.ArmstrongClosed14+38.7+2.76+2.21
Round 13R.SongA.Rolf-Larsen – N.ZeebergClosed14+2.6+0.19-0.21
Round 14R.SongY.Niu – Z.WangOpen14-51.2-3.66-2.71
Round 15R.SongC.Baumgart – E.LangerOpen14+14.2+1.01+3.21
Round 16R.SongH.Luba – B.ZhuClosed14+10.5+0.75+0.14
Round 17L.MeierZ.Cheng – C.HeClosed14-8.1-0.58+0.57
Round 18R.SongC.Johnsen – T.ToesseOpen14+5.1+0.36-1.29

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 5🇮🇱 ISRAEL104♦x♥Q=+3
+10.4Round 15🇩🇪 GERMANY35♠♥J-1+13
+10.4Round 16🇺🇸 USA1237♦♣K=-2
+10.1Round 1🇦🇺 AUSTRALIA14♠♣A-1+11
+9.2Round 3🇮🇳 INDIA142♣♠2-5+11
+9.2Round 7🇸🇬 SINGAPORE34♥♠7=+12
+8.4Round 4🇭🇰 HONG KONG CHINA273NT♠4=+7
+8.4Round 12🇮🇪 IRELAND252♠♦5-1+6
+7.9Round 1🇦🇺 AUSTRALIA53NT♣2=+0
+7.6Round 15🇩🇪 GERMANY144♥♦T-1+11
+7.4Round 15🇩🇪 GERMANY74♠♣6-2+8
+7.2Round 7🇸🇬 SINGAPORE22♠♥6=+11
+7.2Round 12🇮🇪 IRELAND182♠♣5=+11
+7.2Round 12🇮🇪 IRELAND276NT♥T+1+11
+7.1Round 16🇺🇸 USA1183NT♥5+1+8
+6.9Round 12🇮🇪 IRELAND167NT♠5=+0
+6.9Round 17🇨🇦 CANADA32NT♠5-2+8
+6.7Round 8🇫🇷 FRANCE223NT♥6-2+8
+6.6Round 1🇦🇺 AUSTRALIA73NT♠K-3+9
+6.6Round 11🇳🇱 NETHERLANDS42♣x♥J-2+8
+6.6Round 16🇺🇸 USA1151♥x♠K=+7
+6.1Round 18🇳🇴 NORWAY153♦x♥2-3+0
+5.9Round 15🇩🇪 GERMANY55♠♦Q=+0
+5.8Round 13🇩🇰 DENMARK97♣♦3=-2
+5.7Round 5🇮🇱 ISRAEL94♥♦8+1+6
+5.6Round 7🇸🇬 SINGAPORE74♠♣Q+1+1
+5.5Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133NT♦Q=+0
+5.4Round 17🇨🇦 CANADA73♣♣T+1+11
+5.3Round 5🇮🇱 ISRAEL124♥♠K-2+0
+5.2Round 7🇸🇬 SINGAPORE93♦♣Q-3+9
+5.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♦♠3+2+16
+4.8Round 6🇯🇵 JAPAN184♥♦A+1+0
+4.8Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♠6-5-5
+4.8Round 12🇮🇪 IRELAND212♠♦8+1+7
+4.7Round 17🇨🇦 CANADA146♠x♦6-2+5
+4.5Round 3🇮🇳 INDIA82NT♦J+1+7
+4.5Round 8🇫🇷 FRANCE196♣♣7+1-11
+4.3Round 6🇯🇵 JAPAN234♠♦A-1-1
+4.3Round 12🇮🇪 IRELAND242♠♣A-2+5
+4.2Round 13🇩🇰 DENMARK71NT♠2+1+6
+3.9Round 1🇦🇺 AUSTRALIA111NT♣4-1+4
+3.9Round 7🇸🇬 SINGAPORE133NT♣8=-1
+3.9Round 7🇸🇬 SINGAPORE143♠♣K=+7
+3.9Round 11🇳🇱 NETHERLANDS63NT♠Q=+0
+3.8Round 6🇯🇵 JAPAN171NT♦4+2+7
+3.7Round 4🇭🇰 HONG KONG CHINA263NT♣K-1+6
+3.7Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♠♦3=+0
+3.7Round 14🇨🇳 CHINA284♠♥J-1+10
+3.6Round 8🇫🇷 FRANCE162♠♣6-1+5
+3.6Round 14🇨🇳 CHINA165♣♥Q+1+13
+3.5Round 13🇩🇰 DENMARK23NT♦2-2+11
+3.5Round 16🇺🇸 USA1194♠♥4=-1
+3.4Round 18🇳🇴 NORWAY233NT♦6+2+1
+3.3Round 6🇯🇵 JAPAN214♥♠4-1+5
+3.3Round 13🇩🇰 DENMARK43NT♠J+3+1
+3.2Round 2🇺🇸 USA2213♥♠K-1-2
+3.2Round 5🇮🇱 ISRAEL13NT♠6+2+2
+3.2Round 8🇫🇷 FRANCE253NT♥Q-1-8
+3.2Round 17🇨🇦 CANADA13NT♠5+1-1
+3.1Round 13🇩🇰 DENMARK103NT♦2-1+12
+2.9Round 3🇮🇳 INDIA116♣♦7=-2
+2.9Round 11🇳🇱 NETHERLANDS73NT♠9+1+1
+2.9Round 11🇳🇱 NETHERLANDS124♥♠4+1-13
+2.8Round 16🇺🇸 USA1273NT♥9+2+0
+2.8Round 18🇳🇴 NORWAY182♠♣5=-1
+2.7Round 11🇳🇱 NETHERLANDS144♥♦3+1+0
+2.6Round 2🇺🇸 USA2172♥x♣4-1+1
+2.6Round 6🇯🇵 JAPAN223NT♠4=+0
+2.6Round 10🇭🇺 HUNGARY154♥♥3-2+6
+2.5Round 18🇳🇴 NORWAY161NT♣3-1+5
+2.4Round 3🇮🇳 INDIA62♥♠Q+2+1
+2.4Round 10🇭🇺 HUNGARY222♥♣7-1+0
+2.4Round 12🇮🇪 IRELAND152♠♥J-1+4
+2.4Round 16🇺🇸 USA1243NT♠3+1+0
+2.2Round 4🇭🇰 HONG KONG CHINA234♠♠3=-13
+2.2Round 6🇯🇵 JAPAN194♥♠A+1+0
+2.2Round 18🇳🇴 NORWAY284♠♥Q+1+0
+2.1Round 2🇺🇸 USA2226♥♠T-1+15
+2.1Round 8🇫🇷 FRANCE214♠♣A=+3
+2.0Round 12🇮🇪 IRELAND193♣♠K+1+7
+1.9Round 3🇮🇳 INDIA42♥♠Q=+1
+1.9Round 4🇭🇰 HONG KONG CHINA224♠♣4+1+0
+1.8Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND92♠♣K+2+1
+1.7Round 3🇮🇳 INDIA123NT♠3+2-12
+1.7Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♥J+1+1
+1.7Round 15🇩🇪 GERMANY114♣♥J+1+13
+1.6Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♠♦K=+0
+1.6Round 18🇳🇴 NORWAY243♣♦K-2-8
+1.5Round 8🇫🇷 FRANCE154♥♣J=-1
+1.5Round 10🇭🇺 HUNGARY283♠♦T-1-2
+1.5Round 17🇨🇦 CANADA112♥♠Q-3+1
+1.5Round 18🇳🇴 NORWAY264♥♥7+1+1
+1.4Round 1🇦🇺 AUSTRALIA84♥♣5-1-2
+1.4Round 2🇺🇸 USA2234♥♣K+2+13
+1.4Round 6🇯🇵 JAPAN154♠♣T=+1
+1.3Round 2🇺🇸 USA2284♠♣2+2-13
+1.3Round 7🇸🇬 SINGAPORE54♥♠5-1-2
+1.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♦5=-2
+1.2Round 1🇦🇺 AUSTRALIA25♥♦K+1-12
+1.2Round 10🇭🇺 HUNGARY253NT♣J+2+1
+1.2Round 12🇮🇪 IRELAND204♥♠A=+1
+1.1Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND115♣♦6=+11
+1.1Round 11🇳🇱 NETHERLANDS92♥♠T-2+1
+0.9Round 10🇭🇺 HUNGARY164♥♣8-2+2
+0.8Round 6🇯🇵 JAPAN283♣♠Q+1+0
+0.8Round 10🇭🇺 HUNGARY192♠♣3+1+0
+0.7Round 10🇭🇺 HUNGARY233NT♣5+1+1
+0.7Round 13🇩🇰 DENMARK124♥♦4-1-6
+0.6Round 10🇭🇺 HUNGARY244♠♥A+2-11
+0.6Round 11🇳🇱 NETHERLANDS34♥♣A+1+0
+0.4Round 12🇮🇪 IRELAND174♠♦2=+0
+0.4Round 16🇺🇸 USA1203NT♦3+2+0
+0.4Round 18🇳🇴 NORWAY173NT♥8+2+0
+0.3Round 3🇮🇳 INDIA93♥♣5=+0
+0.3Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND42♥♠J=+1
+0.2Round 1🇦🇺 AUSTRALIA61NT♠3+2-6
+0.2Round 6🇯🇵 JAPAN273NT♣5=+0
+0.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♠2=+1
+0.1Round 1🇦🇺 AUSTRALIA105♦♠Q-1+6
+0.1Round 2🇺🇸 USA2163NT♠5+4+15
+0.1Round 3🇮🇳 INDIA13NT♥3-3+2
+0.1Round 3🇮🇳 INDIA22♠♥A-1-5
+0.1Round 11🇳🇱 NETHERLANDS113♣♥5+1+5
+0.1Round 13🇩🇰 DENMARK84♠♣7+1-11
+0.1Round 13🇩🇰 DENMARK134♠♥8+1+0
+0.1Round 18🇳🇴 NORWAY192♦♥4-1+3
-0.1Round 4🇭🇰 HONG KONG CHINA203NT♠Q+1+0
-0.1Round 8🇫🇷 FRANCE174♥♣5+1+0
-0.1Round 8🇫🇷 FRANCE274♠♦9=+1
-0.1Round 14🇨🇳 CHINA263NT♦2+1+0
-0.2Round 1🇦🇺 AUSTRALIA44♠♣A+1+0
-0.2Round 4🇭🇰 HONG KONG CHINA164♠♣6=-1
-0.2Round 4🇭🇰 HONG KONG CHINA184♠♣5+1+0
-0.2Round 12🇮🇪 IRELAND232♦♣K+1+0
-0.4Round 6🇯🇵 JAPAN261NT♠3=+1
-0.5Round 2🇺🇸 USA2243NT♠T+1-1
-0.5Round 13🇩🇰 DENMARK62♦♣6+2+0
-0.6Round 7🇸🇬 SINGAPORE112♠♦K=+1
-0.6Round 11🇳🇱 NETHERLANDS131NT♥3=-2
-0.6Round 14🇨🇳 CHINA213NT♥9+2+0
-0.6Round 15🇩🇪 GERMANY102NT♥Q=+10
-0.7Round 4🇭🇰 HONG KONG CHINA283♣♥6-2-1
-0.7Round 17🇨🇦 CANADA103NT♥6+1+0
-0.8Round 5🇮🇱 ISRAEL42♠♦Q+1+0
-0.8Round 15🇩🇪 GERMANY134♥♣3+1+0
-0.9Round 15🇩🇪 GERMANY13NT♠2+1-1
-0.9Round 18🇳🇴 NORWAY203NT♥6=+2
-1.0Round 8🇫🇷 FRANCE282♥♣K+1+0
-1.0Round 13🇩🇰 DENMARK112♥♣T+1+7
-1.0Round 16🇺🇸 USA1172NT♣2+1+6
-1.0Round 17🇨🇦 CANADA123NT♣2+1+0
-1.1Round 14🇨🇳 CHINA154♠♠3+1+0
-1.1Round 18🇳🇴 NORWAY254♥♣2+1+0
-1.2Round 6🇯🇵 JAPAN242NT♦4-1-4
-1.2Round 10🇭🇺 HUNGARY262♦♣Q-1+0
-1.3Round 2🇺🇸 USA2255♦♥J+1-11
-1.3Round 14🇨🇳 CHINA233NT♠9=-13
-1.3Round 15🇩🇪 GERMANY65♣♥2+1-14
-1.3Round 16🇺🇸 USA1214♠♠7+3-2
-1.3Round 17🇨🇦 CANADA84♥x♦7-2+0
-1.4Round 2🇺🇸 USA2203♠♠6-1-6
-1.5Round 4🇭🇰 HONG KONG CHINA251NT♣K=-2
-1.5Round 5🇮🇱 ISRAEL54♠♦A=+0
-1.5Round 12🇮🇪 IRELAND284♥♣5+1+0
-1.5Round 14🇨🇳 CHINA241NT♦8-1-4
-1.7Round 7🇸🇬 SINGAPORE102♦♠3+1-1
-1.7Round 15🇩🇪 GERMANY125♦♠7+1+11
-1.8Round 3🇮🇳 INDIA103♦♠2+1-10
-1.8Round 11🇳🇱 NETHERLANDS13NT♦4+1+0
-1.8Round 12🇮🇪 IRELAND261NT♦A=-11
-1.8Round 17🇨🇦 CANADA134♥♦K+1+0
-1.9Round 5🇮🇱 ISRAEL21NT♥T+1+1
-1.9Round 5🇮🇱 ISRAEL81NT♦A=-5
-1.9Round 7🇸🇬 SINGAPORE62♠♣A+1+8
-1.9Round 17🇨🇦 CANADA64♠♦4+2-5
-1.9Round 18🇳🇴 NORWAY221NT♦T+2-1
-2.0Round 10🇭🇺 HUNGARY184♥♠5-1-6
-2.0Round 10🇭🇺 HUNGARY213NT♦7-1+1
-2.1Round 15🇩🇪 GERMANY24♣♠2=+0
-2.2Round 14🇨🇳 CHINA183NT♣6+2-1
-2.3Round 5🇮🇱 ISRAEL72♣♣Q+1+1
-2.4Round 3🇮🇳 INDIA51NT♣7+1-1
-2.4Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND25♥♦9-2-11
-2.4Round 10🇭🇺 HUNGARY275♣♠3+1+11
-2.5Round 1🇦🇺 AUSTRALIA33NT♠4+1+12
-2.6Round 12🇮🇪 IRELAND223NT♣4-1-10
-2.7Round 16🇺🇸 USA1252♠♦Q=-6
-2.8Round 5🇮🇱 ISRAEL32♠♥3=+0
-2.8Round 5🇮🇱 ISRAEL63NT♠7-1-5
-2.9Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♥6-1-13
-2.9Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♥Q=+1
-3.0Round 8🇫🇷 FRANCE232♠♦T+1-6
-3.0Round 16🇺🇸 USA1284♠♥K=+0
-3.1Round 1🇦🇺 AUSTRALIA143NT♥T=+1
-3.2Round 11🇳🇱 NETHERLANDS84♥♥7+2-2
-3.3Round 8🇫🇷 FRANCE182♣♠A+2-5
-3.3Round 8🇫🇷 FRANCE203NT♥5-3-10
-3.3Round 11🇳🇱 NETHERLANDS102NT♣J=-11
-3.3Round 15🇩🇪 GERMANY44♥♠9-1+0
-3.4Round 2🇺🇸 USA2154♠♣5+3-17
-3.4Round 5🇮🇱 ISRAEL113NT♦4+1+0
-3.4Round 16🇺🇸 USA1223♠♦A=-1
-3.5Round 15🇩🇪 GERMANY93NT♦4+2+0
-3.6Round 17🇨🇦 CANADA94♠x♥4-1+0
-3.7Round 2🇺🇸 USA2183NT♥3+3+10
-3.7Round 13🇩🇰 DENMARK52♠♣T+1-2
-3.8Round 1🇦🇺 AUSTRALIA123♠♦K+2-9
-3.8Round 2🇺🇸 USA2193NT♠A-1-5
-3.8Round 3🇮🇳 INDIA136♦♥T-1-17
-3.9Round 11🇳🇱 NETHERLANDS52♥♠K=-9
-3.9Round 13🇩🇰 DENMARK143♥♦3-1-4
-3.9Round 17🇨🇦 CANADA42NT♥6-2-3
-4.0Round 13🇩🇰 DENMARK12♥♦A-2-5
-4.3Round 7🇸🇬 SINGAPORE123♠♥A-1-6
-4.6Round 6🇯🇵 JAPAN254♣x♠A-2-5
-4.6Round 15🇩🇪 GERMANY82♠♥K=-6
-4.8Round 16🇺🇸 USA1264♥♠T=+0
-5.0Round 7🇸🇬 SINGAPORE42♥♥5=+0
-5.1Round 2🇺🇸 USA2263♦x♠T-3-7
-5.1Round 13🇩🇰 DENMARK33NT♠7-1-10
-5.3Round 6🇯🇵 JAPAN166♠♣8+1+13
-5.4Round 18🇳🇴 NORWAY274♠♠J=-8
-5.7Round 1🇦🇺 AUSTRALIA134♠♥A-2-8
-5.8Round 7🇸🇬 SINGAPORE84♠♥5-1-4
-5.8Round 14🇨🇳 CHINA204♥♠T+2-1
-6.1Round 17🇨🇦 CANADA54♥♦A=+0
-6.2Round 18🇳🇴 NORWAY213NT♦K-1-12
-6.5Round 4🇭🇰 HONG KONG CHINA244♠♣K-2-11
-6.5Round 16🇺🇸 USA1163♦♥2+2-7
-6.6Round 4🇭🇰 HONG KONG CHINA174♠♣K=+0
-6.8Round 10🇭🇺 HUNGARY174♠♣8-1-10
-6.8Round 14🇨🇳 CHINA223NT♠T-1-5
-7.0Round 14🇨🇳 CHINA173NT♠8=-6
-7.4Round 3🇮🇳 INDIA74♠♥Q=-10
-7.5Round 4🇭🇰 HONG KONG CHINA154♠♥6+1-2
-7.7Round 10🇭🇺 HUNGARY203♥♣A=-12
-7.8Round 2🇺🇸 USA2274♥♦T-1-10
-7.8Round 14🇨🇳 CHINA194♥♠A-1-5
-8.1Round 4🇭🇰 HONG KONG CHINA194♠♥A=-11
-8.2Round 4🇭🇰 HONG KONG CHINA213NT♦Q+1-11
-8.2Round 7🇸🇬 SINGAPORE13NT♠6+1-4
-8.4Round 8🇫🇷 FRANCE263NT♦3=+0
-8.5Round 5🇮🇱 ISRAEL144♥♠T-1-10
-8.8Round 11🇳🇱 NETHERLANDS24♠♠6+2-11
-8.9Round 8🇫🇷 FRANCE243NTx♠9-2-12
-9.3Round 3🇮🇳 INDIA36♠♣8-1-11
-9.5Round 17🇨🇦 CANADA24♣♠A-8-8
-10.6Round 5🇮🇱 ISRAEL136♣♦K=+2
-10.9Round 14🇨🇳 CHINA277♠♣A-1-8
-12.7Round 6🇯🇵 JAPAN206NT♣9-1-17
-13.4Round 14🇨🇳 CHINA254♣♥5-5-18
-13.5Round 1🇦🇺 AUSTRALIA96♠♣4=-15