🇳🇱 KOLEN Jan · NETHERLANDS

46rank
+55.7Butler · 224 bds
+0.25per board
±4.2swing
+0.17vs par /bd · #51/138
+0.43adjusted /bd
Butler per round: 15.3 -19.7 -8.9 42.2 5.1 4.9 7.5 -24.9 0.4 3.2 17.2 3.7 4.3 4 2.6 -1.2by round

vs par split: bidding +0.30 · play -0.13

Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted +0.43/bd

Card play — on target: opening leads 82.4% #48 of 138 · declarer play 69.4% #104 of 138 · defence 89.8% #34 of 138

Bidding activity — not a pass: 44.3% #42 of 138 (266/601)

Card play by contract type — on target
vs NTvs a suit
Opening leads76.9% (13)84.2% (38)
Declarer play66.7% (18)70.5% (44)
Defence81.5% (27)92.6% (81)

Opening leads by suit led: ♠ 66.7% (12) · ♥ 77.8% (9) · ♦ 92.3% (13) · ♣ 88.2% (17)

vs par by strain: NT -1.16 (57) · a suit +0.63 (167)

vs par by level: part-score +0.29 (88) · game +0.39 (122) · slam -2.50 (14)

By role: declaring +0.41/bd (-2.21 vs par · 116) · defending +0.07/bd (+2.73 vs par · 108)

By vulnerability: vulnerable +0.40/bd (+0.26 vs par · 112) · not vulnerable +0.09/bd (+0.09 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.VerheesS.Wan – R.LingOpen14+15.3+1.09+2.14
Round 2J.VerheesD.Mossop – G.HallbergOpen14-19.7-1.41+1.57
Round 5J.VerheesK.Feichtinger – S.TerraneoClosed14-8.9-0.64+2.29
Round 6J.VerheesQ.Li – J.DaiClosed14+42.2+3.01+3.79
Round 8J.VerheesA.Kowalski – P.TuszynskiClosed14+5.1+0.36+1.64
Round 10J.VerheesA.Sontag – Z.MahmoodOpen14+4.9+0.35-1.21
Round 11J.VerheesM.Hussain Atm – J.HaqueOpen14+7.5+0.54-1.71
Round 12J.VerheesL.Cohen – D.BerkowitzClosed14-24.9-1.78-1.71
Round 13J.VerheesJ.Sylvan – M.GustawssonOpen14+0.4+0.03+2.79
Round 15J.VerheesM.Lanzarotti – A.MortarottiClosed14+3.2+0.23-0.57
Round 16J.VerheesK.Yamada – T.ImakuraClosed14+17.2+1.23-1.07
Round 18J.VerheesM.Abecassis – H.VinciguerraOpen14+3.7+0.26+0.36
Round 19A.MulderN.Schilhart – N.BuchlevClosed14+4.3+0.31+0.21
Round 20J.VerheesM.Van Der Vlugt – D.BeauchampOpen14+4.0+0.29-1.71
Round 21J.VerheesW.Fornasari – L.PalazzoClosed14+2.6+0.19-2.00
Round 23J.VerheesB.Satyanarayana – J.ShivdasaniOpen14-1.2-0.09-2.00

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
+12.5Round 6🇨🇳 CHINA164♠x♦A=+12
+11.9Round 1🇭🇰 HONG KONG CHINA33NT♠K-2+16
+10.0Round 5🇦🇹 AUSTRIA53NT♥3-1+11
+10.0Round 23🇮🇳 INDIA126♥♣6=-11
+9.9Round 12🇺🇸 USA1234♥♦T=+10
+9.9Round 21🇦🇷 ARGENTINA134♣♣Q-2+10
+8.7Round 5🇦🇹 AUSTRIA63♠♦2+2+10
+8.3Round 10🇺🇸 USA2274♥x♠A-2+5
+8.3Round 13🇸🇪 SWEDEN32♥♣J+3+10
+8.1Round 18🇫🇷 FRANCE205♠♦A-3+13
+7.6Round 11🇧🇩 BANGLADESH145♦♠2-1+8
+7.5Round 11🇧🇩 BANGLADESH123NT♦K+1+0
+7.4Round 20🇦🇺 AUSTRALIA185♦x♠8-2+11
+7.3Round 10🇺🇸 USA2233NT♠J=+0
+7.2Round 6🇨🇳 CHINA174♥♦J-3+6
+7.0Round 16🇯🇵 JAPAN262♠♣A-1+1
+6.8Round 16🇯🇵 JAPAN196♠♥9=-11
+6.7Round 1🇭🇰 HONG KONG CHINA43♠♣6-2+8
+6.2Round 15🇮🇹 ITALY24♥♦Q=+3
+6.0Round 16🇯🇵 JAPAN254♠♥2-1+12
+5.8Round 10🇺🇸 USA2224♠♠7=-1
+5.6Round 10🇺🇸 USA2243NT♠A-2+6
+5.2Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213♠♠9=+12
+5.2Round 13🇸🇪 SWEDEN104♥♥T=+3
+5.1Round 6🇨🇳 CHINA213♦♣J+1+7
+5.1Round 8🇵🇱 POLAND202♠♥A-1+0
+5.0Round 8🇵🇱 POLAND163NT♦6-1+12
+4.6Round 6🇨🇳 CHINA204♠♥8=+1
+4.3Round 15🇮🇹 ITALY43♥♣K-1+5
+4.2Round 19🇩🇪 GERMANY83♣♥J+1+0
+4.2Round 21🇦🇷 ARGENTINA96♥♦K=+0
+4.1Round 11🇧🇩 BANGLADESH63♥♣7=+0
+4.1Round 15🇮🇹 ITALY65♣♦A=+11
+4.0Round 10🇺🇸 USA2155♥x♦K+1-2
+4.0Round 19🇩🇪 GERMANY93♠♦K-1+12
+4.0Round 19🇩🇪 GERMANY145♠x♥A-1+5
+3.8Round 18🇫🇷 FRANCE194♠♥7+2+14
+3.8Round 23🇮🇳 INDIA62♥♥8-2+0
+3.6Round 18🇫🇷 FRANCE264♠♥8=+0
+3.5Round 6🇨🇳 CHINA182♥♣K-1+4
+3.5Round 8🇵🇱 POLAND244♥♦3-2+5
+3.4Round 1🇭🇰 HONG KONG CHINA83NT♥2+2+1
+3.4Round 6🇨🇳 CHINA283NT♣T=-1
+3.4Round 16🇯🇵 JAPAN274♠♦8=+11
+3.3Round 11🇧🇩 BANGLADESH12NT♣6-2+11
+3.3Round 18🇫🇷 FRANCE275♠♥A-1+2
+3.0Round 15🇮🇹 ITALY132♦♦5=-2
+2.9Round 18🇫🇷 FRANCE154♥♥4+3+2
+2.8Round 16🇯🇵 JAPAN225♦x♣K=+4
+2.7Round 8🇵🇱 POLAND215♠♦8=+0
+2.6Round 6🇨🇳 CHINA243NT♥4+2+2
+2.6Round 6🇨🇳 CHINA272♥♦A=+1
+2.6Round 20🇦🇺 AUSTRALIA161NT♣8+1+0
+2.6Round 21🇦🇷 ARGENTINA33♥♦9=+0
+2.5Round 16🇯🇵 JAPAN205♥♠Q+1-13
+2.4Round 20🇦🇺 AUSTRALIA282♠♣A-3+1
+2.3Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND246♠x♥A-4+0
+2.3Round 11🇧🇩 BANGLADESH43NT♠J+1+4
+2.3Round 13🇸🇪 SWEDEN143NT♦6+3+14
+2.2Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND252♠♣J+1+1
+2.2Round 18🇫🇷 FRANCE284♥♦A+1+0
+2.1Round 16🇯🇵 JAPAN243♦♣4=-1
+2.0Round 1🇭🇰 HONG KONG CHINA104♥♠T=+0
+2.0Round 1🇭🇰 HONG KONG CHINA131NT♥3+1+6
+2.0Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND282♠♠7=+0
+2.0Round 6🇨🇳 CHINA253NT♣8+2+1
+2.0Round 12🇺🇸 USA1185♦♠A=+0
+2.0Round 19🇩🇪 GERMANY65♦x♠5-1+5
+1.9Round 6🇨🇳 CHINA222♥♣6=+5
+1.9Round 21🇦🇷 ARGENTINA74♥♠Q+1+4
+1.6Round 19🇩🇪 GERMANY33♣♠J-2+11
+1.6Round 19🇩🇪 GERMANY134♠♦7+1+0
+1.4Round 5🇦🇹 AUSTRIA82NT♠Q+1+2
+1.3Round 6🇨🇳 CHINA263♣♠7-1+0
+1.3Round 10🇺🇸 USA2193NT♣Q=-11
+1.3Round 18🇫🇷 FRANCE223NT♠5+2+1
+1.3Round 19🇩🇪 GERMANY42♦♣9+3-15
+1.2Round 13🇸🇪 SWEDEN124♥♦3=+3
+1.2Round 20🇦🇺 AUSTRALIA233NT♥6+1+1
+1.1Round 1🇭🇰 HONG KONG CHINA24♦♦5+1+6
+1.1Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♠♣Q=+6
+1.1Round 8🇵🇱 POLAND154♠♣A=+8
+1.1Round 11🇧🇩 BANGLADESH83NT♠7-2-1
+1.0Round 5🇦🇹 AUSTRIA73♣♦3=+0
+1.0Round 13🇸🇪 SWEDEN94♠♣5-2+11
+1.0Round 16🇯🇵 JAPAN213♠♦A-1+5
+1.0Round 23🇮🇳 INDIA71NT♥2=+0
+0.9Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♥♦A+1+13
+0.9Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND231NT♣3+1+0
+0.9Round 12🇺🇸 USA1153NT♥8-1+2
+0.8Round 19🇩🇪 GERMANY113♥♠6=+0
+0.7Round 8🇵🇱 POLAND173NT♠A-3+2
+0.7Round 11🇧🇩 BANGLADESH133♠♣J+1+1
+0.7Round 12🇺🇸 USA1194♠♥K=+3
+0.6Round 19🇩🇪 GERMANY73♦♣A+1-10
+0.6Round 20🇦🇺 AUSTRALIA265♠♦6=+0
+0.6Round 21🇦🇷 ARGENTINA114♠♣K+1+0
+0.5Round 1🇭🇰 HONG KONG CHINA62♠♣Q+1+6
+0.5Round 16🇯🇵 JAPAN234♥♣J+1-13
+0.4Round 1🇭🇰 HONG KONG CHINA94♥♦K+2-11
+0.4Round 1🇭🇰 HONG KONG CHINA144♥♠A=+0
+0.3Round 13🇸🇪 SWEDEN23NT♦8=+1
+0.3Round 15🇮🇹 ITALY54♥♦Q=+0
+0.3Round 23🇮🇳 INDIA33NT♥4+1+0
+0.2Round 5🇦🇹 AUSTRIA113♥♦A=+6
+0.2Round 10🇺🇸 USA2164♠♥J+1+11
+0.2Round 13🇸🇪 SWEDEN63♥♠Q=+0
+0.2Round 20🇦🇺 AUSTRALIA223NT♦Q+1-1
+0.2Round 23🇮🇳 INDIA44♥♥2+1+0
+0.1Round 15🇮🇹 ITALY104♠♦3+1+0
+0.1Round 18🇫🇷 FRANCE183♣♥K+1+0
-0.0Round 1🇭🇰 HONG KONG CHINA54♠♦A+1+0
+0.0Round 5🇦🇹 AUSTRIA104♠♦4=+0
+0.0Round 6🇨🇳 CHINA153♠♣4+1+6
+0.0Round 12🇺🇸 USA1204♠♥A+1+13
+0.0Round 20🇦🇺 AUSTRALIA203♥♠5+2+10
+0.0Round 21🇦🇷 ARGENTINA44♣♥Q+1-10
-0.0Round 23🇮🇳 INDIA13NT♥2+2-10
-0.0Round 23🇮🇳 INDIA84♥♦Q+1+0
+0.0Round 23🇮🇳 INDIA131NT♣4=-1
-0.1Round 8🇵🇱 POLAND253♣♥K=+1
-0.1Round 8🇵🇱 POLAND283♣♦7-1+0
-0.1Round 13🇸🇪 SWEDEN84♥♠Q+1-1
-0.1Round 15🇮🇹 ITALY73♥♥6+1-10
-0.1Round 20🇦🇺 AUSTRALIA173NT♦4+2-11
-0.2Round 10🇺🇸 USA2263NT♥2=-1
-0.2Round 13🇸🇪 SWEDEN13NT♣3-1+4
-0.2Round 15🇮🇹 ITALY81NT♥K-1-3
-0.2Round 20🇦🇺 AUSTRALIA153♥♠A=-1
-0.2Round 20🇦🇺 AUSTRALIA191NT♣A=+2
-0.3Round 5🇦🇹 AUSTRIA133♥♦Q-1+1
-0.3Round 8🇵🇱 POLAND194♠♣4+1+0
-0.3Round 8🇵🇱 POLAND223NT♠J=-1
-0.3Round 11🇧🇩 BANGLADESH71NT♣A-2-2
-0.3Round 21🇦🇷 ARGENTINA62NT♠5-2-9
-0.4Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♥8+2+11
-0.4Round 5🇦🇹 AUSTRIA146♥♦4+1+11
-0.4Round 11🇧🇩 BANGLADESH34♠♣Q-1-10
-0.4Round 15🇮🇹 ITALY32♠♣A-1+2
-0.4Round 16🇯🇵 JAPAN285♦x♥A-2-5
-0.4Round 21🇦🇷 ARGENTINA22♦♣5-3+10
-0.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND176NT♥9-1-14
-0.6Round 12🇺🇸 USA1174♠♥Q+1+0
-0.7Round 8🇵🇱 POLAND234♠♣4+1+0
-0.7Round 19🇩🇪 GERMANY52♠♣T-1+0
-0.8Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND274♠♦4+1+0
-0.8Round 12🇺🇸 USA1253NT♣4+2+0
-0.9Round 5🇦🇹 AUSTRIA34♠♦8=+0
-0.9Round 21🇦🇷 ARGENTINA143♥♠6=-7
-1.0Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND263NT♦6+1+0
-1.0Round 10🇺🇸 USA2204♠♥A=+0
-1.0Round 15🇮🇹 ITALY126♠♦A=+0
-1.0Round 20🇦🇺 AUSTRALIA244♥♦K+1-1
-1.0Round 20🇦🇺 AUSTRALIA254♠♦Q+2-11
-1.1Round 1🇭🇰 HONG KONG CHINA13♥♣A=-1
-1.1Round 13🇸🇪 SWEDEN44♥♣T+1+0
-1.2Round 12🇺🇸 USA1224♠♣A+1+0
-1.2Round 18🇫🇷 FRANCE244♥♠K-2-5
-1.2Round 19🇩🇪 GERMANY23NT♠9+2-1
-1.2Round 23🇮🇳 INDIA143♦♠2+1+7
-1.3Round 20🇦🇺 AUSTRALIA213NT♥9=-13
-1.4Round 13🇸🇪 SWEDEN73NT♠3+2+0
-1.4Round 23🇮🇳 INDIA102♠♣8-1+5
-1.7Round 10🇺🇸 USA2254♥♠K+1+0
-1.7Round 21🇦🇷 ARGENTINA13NT♠K-1-4
-1.8Round 1🇭🇰 HONG KONG CHINA114♠♣A+1-1
-1.9Round 6🇨🇳 CHINA192♦♥T+2+0
-1.9Round 11🇧🇩 BANGLADESH53♣♠Q+1+0
-2.0Round 11🇧🇩 BANGLADESH23♠♥2-2-1
-2.0Round 23🇮🇳 INDIA94♠♣6+1+0
-2.1Round 15🇮🇹 ITALY14♥♦A=+1
-2.1Round 15🇮🇹 ITALY93♥♦9=+0
-2.1Round 18🇫🇷 FRANCE177NT♠J=+0
-2.3Round 5🇦🇹 AUSTRIA42♠♣Q-1-5
-2.3Round 10🇺🇸 USA2282♠♣6+1+0
-2.3Round 21🇦🇷 ARGENTINA122♥♦A=+1
-2.4Round 19🇩🇪 GERMANY104♠♥K+3+17
-2.4Round 21🇦🇷 ARGENTINA104♠♥8-1-12
-2.5Round 12🇺🇸 USA1213♥♠6=+0
-2.5Round 23🇮🇳 INDIA24♠♦5-3-2
-2.6Round 6🇨🇳 CHINA233♦♣7=+9
-2.7Round 13🇸🇪 SWEDEN56♠♦7=+0
-2.7Round 19🇩🇪 GERMANY125♣♥Q=-11
-2.8Round 1🇭🇰 HONG KONG CHINA125♠♦A=-1
-2.8Round 16🇯🇵 JAPAN154♣♥9=+0
-2.8Round 18🇫🇷 FRANCE161NT♦K=-5
-2.9Round 11🇧🇩 BANGLADESH101NT♦2+2-15
-2.9Round 13🇸🇪 SWEDEN115♦♣A+1+11
-3.0Round 11🇧🇩 BANGLADESH91NT♦6-1-5
-3.1Round 5🇦🇹 AUSTRIA92♠♥6+2-6
-3.2Round 8🇵🇱 POLAND183NTx♦7-1-2
-3.3Round 21🇦🇷 ARGENTINA83♥♦2-1-5
-3.4Round 16🇯🇵 JAPAN163♣♦K-1-5
-3.8Round 23🇮🇳 INDIA115♥♦6+1-8
-3.9Round 8🇵🇱 POLAND262♥♣3-1-6
-4.0Round 12🇺🇸 USA1263♠♣Q-1-5
-4.0Round 16🇯🇵 JAPAN183♥♠T=+0
-4.0Round 18🇫🇷 FRANCE254♣♠A=-6
-4.3Round 15🇮🇹 ITALY113NT♠5-1-8
-4.3Round 16🇯🇵 JAPAN174♥♣K=+0
-4.4Round 8🇵🇱 POLAND272♠x♣K-2+4
-4.6Round 15🇮🇹 ITALY143♥♠J+1-7
-4.7Round 18🇫🇷 FRANCE214♥♣3=-3
-4.8Round 5🇦🇹 AUSTRIA126♥♠K+1+11
-5.0Round 12🇺🇸 USA1272♥♥7+4-13
-5.3Round 21🇦🇷 ARGENTINA53NT♣6-2-6
-5.6Round 23🇮🇳 INDIA54♠♣A=-8
-5.8Round 12🇺🇸 USA1246♥♣Q+1-11
-6.1Round 10🇺🇸 USA2184♦x♥A-2-5
-6.6Round 20🇦🇺 AUSTRALIA274♠♥Q-2-11
-6.8Round 18🇫🇷 FRANCE234♠♦6-2-8
-7.4Round 1🇭🇰 HONG KONG CHINA74♠♣6=+1
-7.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203NT♠6=+1
-7.5Round 10🇺🇸 USA2213NT♦6-2-11
-8.0Round 12🇺🇸 USA1162♠♦5+3-10
-8.6Round 11🇧🇩 BANGLADESH116NT♥9-1-14
-8.8Round 10🇺🇸 USA2171♠x♥9-3-8
-8.8Round 19🇩🇪 GERMANY14♥♥T-1-10
-9.1Round 5🇦🇹 AUSTRIA26♦♣A=+2
-9.3Round 5🇦🇹 AUSTRIA14♥♦A=-11
-9.7Round 13🇸🇪 SWEDEN133NT♦T-4-17
-10.1Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND196♣♦4=+2
-10.5Round 12🇺🇸 USA1284♥♦A=-13
-13.9Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153NTxx♠9+2-10