🇳🇱 GROENENBOOM Merijn · Netherlands

15rank
+186.3Butler · 300 bds
+0.62per board
±4.1swing
+0.63vs par /bd · #9/122
+0.65adjusted /bd
Butler per round: 19.8 1.8 2.8 4.8 22.1 -25.3 -8.3 -7.1 25.4 57 19 24.8 20 40.1 -10.6by round

vs par split: bidding +0.28 · play +0.44

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.65/bd

Card play — on target: opening leads 73.3% #117 of 122 · declarer play 84.5% #4 of 122 · defence 88.8% #21 of 122

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (15)77.8% (45)
Declarer play84.6% (13)84.4% (45)
Defence85.7% (35)89.8% (108)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 63.2% (19) · ♦ 68.8% (16) · ♣ 84.2% (19)

vs par by strain: NT +1.44 (69) · a suit +0.38 (229)

vs par by level: part-score -0.50 (117) · game +0.98 (160) · slam +4.24 (21)

By role: declaring +1.01/bd (-1.29 vs par · 146) · defending +0.25/bd (+2.45 vs par · 154)

By vulnerability: vulnerable +0.55/bd (+0.53 vs par · 150) · not vulnerable +0.69/bd (+0.73 vs par · 150)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.DrijverJ.Mochalova – D.DobrinOpen20+19.8+0.99-0.55
Round 2B.DrijverL.Pedersen – L.SorensenOpen20+1.8+0.09+1.15
Round 4B.DrijverR.Van Mechelen – W.De VisschereOpen20+2.8+0.14+0.05
Round 5B.DrijverO.Loper – J.BalasovsOpen20+4.8+0.24+1.00
Round 7B.DrijverJ.Barbosa – A.PalmaOpen20+22.1+1.10+0.50
Round 8B.DrijverM.Montanari – A.FranchiOpen20-25.3-1.27-1.45
Round 10B.DrijverP.Nawrocki – J.SikoraClosed20-8.3-0.42-1.10
Round 11B.DrijverJ.Katerbau – M.RehderOpen20-7.1-0.35-0.90
Round 14B.DrijverC.Rimstedt – S.Asplund SivelindClosed20+25.4+1.27+1.05
Round 15B.DrijverL.Sidor – L.KianicaOpen20+57.0+2.85+3.60
Round 16B.DrijverA.Vinay – P.SeguineauClosed20+19.0+0.95-0.95
Round 17B.DrijverK.Doxiadis – K.KontomitrosOpen20+24.8+1.24+2.30
Round 18B.DrijverM.Macura – M.KopeckyOpen20+20.0+1.00+1.30
Round 19B.DrijverR.Nistor – M.AgicaOpen20+40.1+2.00+2.00
Round 21B.DrijverE.Lindqvist – E.BergClosed20-10.6-0.53+1.40

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 17🇬🇷 Greece167♠♥2-1+17
+11.9Round 15🇸🇰 Slovakia112♠x♥K+1+12
+11.8Round 19🇷🇴 Romania106♣♦10+1-13
+11.6Round 18🇨🇿 Czech Republic193NTx♥Q-2+12
+11.3Round 1🇷🇺 Russia206NT-2+20
+11.3Round 16🇫🇷 France57♦x♥Q-1+11
+10.9Round 16🇫🇷 France86♠♦K=+0
+10.9Round 19🇷🇴 Romania74♥♣6+1+11
+10.4Round 5🇱🇻 Latvia54♥♠K=+0
+10.2Round 10🇵🇱 Poland116♣x♦A=+7
+9.4Round 4🇧🇪 Belgium164♠♣A=+8
+9.2Round 19🇷🇴 Romania153NT♣J+2+8
+8.6Round 21🇳🇴 Norway186NT♠5-2+11
+8.5Round 15🇸🇰 Slovakia43NT♣8+4+12
+8.3Round 1🇷🇺 Russia164♥x-2+11
+8.3Round 7🇵🇹 Portugal27♣♥Q-2+13
+8.3Round 15🇸🇰 Slovakia123♠♣K+1+10
+8.2Round 8🇮🇹 Italy154♠x♥2-2+12
+8.1Round 15🇸🇰 Slovakia204♥x♣K-1+12
+7.6Round 18🇨🇿 Czech Republic35♣x♥6=+9
+7.0Round 14🇸🇪 Sweden172♦x♥A-2+5
+7.0Round 17🇬🇷 Greece34♥♠10-1+10
+6.9Round 2🇩🇰 Denmark15♣♦K=-1
+6.8Round 15🇸🇰 Slovakia94♥♣Q=+11
+6.7Round 21🇳🇴 Norway63NT♥7-2+8
+6.6Round 18🇨🇿 Czech Republic76♥♠6-1+13
+6.5Round 8🇮🇹 Italy93NT♥2=+7
+6.5Round 16🇫🇷 France183♠♣4-2+8
+6.2Round 16🇫🇷 France43NT♦4-1+12
+6.1Round 19🇷🇴 Romania133NT♣9=+3
+5.9Round 2🇩🇰 Denmark206♥♣J=+0
+5.8Round 7🇵🇹 Portugal13NT♦9+1+0
+5.8Round 18🇨🇿 Czech Republic104♠x♦A-1+10
+5.6Round 5🇱🇻 Latvia183♥♠K=+6
+5.6Round 11🇩🇪 Germany62♠♦8=+0
+5.4Round 17🇬🇷 Greece184♥♠A=+0
+5.2Round 5🇱🇻 Latvia123♠♦Q-1+5
+4.8Round 14🇸🇪 Sweden163♦♠A-1+5
+4.7Round 5🇱🇻 Latvia143♣♥Q=+1
+4.6Round 15🇸🇰 Slovakia32♠♦J-1+5
+4.6Round 17🇬🇷 Greece103NT♣J-2+12
+4.6Round 17🇬🇷 Greece143NT♠4-3+11
+4.5Round 18🇨🇿 Czech Republic153NT♥4+3+3
+4.4Round 2🇩🇰 Denmark185♠♠2+1+1
+4.3Round 7🇵🇹 Portugal125♣x♦K-2+5
+4.3Round 11🇩🇪 Germany82♠♥2=+5
+4.3Round 11🇩🇪 Germany154♠♥A-2+8
+4.3Round 21🇳🇴 Norway126♠♦A-1+11
+4.2Round 1🇷🇺 Russia82♠+3+6
+4.0Round 19🇷🇴 Romania175♦♠K-2+8
+3.9Round 7🇵🇹 Portugal32♠♥9=+0
+3.9Round 21🇳🇴 Norway131NT♠10=+0
+3.8Round 7🇵🇹 Portugal94♠x♣9-4+4
+3.8Round 11🇩🇪 Germany166♠♥3+1+1
+3.7Round 15🇸🇰 Slovakia152♠♥4+1+6
+3.7Round 18🇨🇿 Czech Republic13♠♣K+2+3
+3.7Round 18🇨🇿 Czech Republic133♥♥10=+0
+3.7Round 19🇷🇴 Romania113♥♠9-4+3
+3.6Round 2🇩🇰 Denmark155♣♥K=+13
+3.6Round 2🇩🇰 Denmark194♠♥Q=+0
+3.6Round 7🇵🇹 Portugal175♥x♦K-1+0
+3.6Round 14🇸🇪 Sweden34♥♦Q-4+2
+3.6Round 17🇬🇷 Greece204♥♣J-1+12
+3.6Round 19🇷🇴 Romania42♣x♥10-1-9
+3.5Round 16🇫🇷 France135♣♥3=-1
+3.5Round 17🇬🇷 Greece54♥♦5+1+0
+3.4Round 1🇷🇺 Russia172♠x-2-3
+3.4Round 7🇵🇹 Portugal53NT♦6+1+1
+3.4Round 15🇸🇰 Slovakia64♥♦4-1+5
+3.2Round 10🇵🇱 Poland144♥♣Q=+0
+3.1Round 1🇷🇺 Russia12♠=+0
+3.1Round 1🇷🇺 Russia33NT-1+6
+3.1Round 2🇩🇰 Denmark84♥♣2-1+5
+3.1Round 15🇸🇰 Slovakia15♦♠2-1+14
+3.0Round 1🇷🇺 Russia24♥+1+4
+3.0Round 4🇧🇪 Belgium183♠♣A=+0
+3.0Round 15🇸🇰 Slovakia164♥♦Q=+3
+3.0Round 19🇷🇴 Romania65♦♣A-1+5
+3.0Round 21🇳🇴 Norway74♠♦10=+9
+2.9Round 10🇵🇱 Poland94♥♣Q+1+0
+2.8Round 1🇷🇺 Russia193NT+2+0
+2.8Round 4🇧🇪 Belgium193♥♣Q=+1
+2.8Round 5🇱🇻 Latvia14♠♦10=+0
+2.8Round 5🇱🇻 Latvia171NT♣J=+0
+2.8Round 11🇩🇪 Germany114♥♠Q=+0
+2.7Round 16🇫🇷 France203♠♦A-1-11
+2.6Round 1🇷🇺 Russia113NT-1+10
+2.6Round 15🇸🇰 Slovakia175♥♠5=+1
+2.5Round 7🇵🇹 Portugal161NT♣2+2+0
+2.5Round 14🇸🇪 Sweden93♠♦2=+0
+2.5Round 16🇫🇷 France141♠♣K+1-7
+2.4Round 7🇵🇹 Portugal83NT♠4+1+10
+2.4Round 10🇵🇱 Poland163NT♦K-1+5
+2.4Round 19🇷🇴 Romania17♥♣J=+0
+2.4Round 19🇷🇴 Romania206♥♦J=+0
+2.3Round 21🇳🇴 Norway152♥♣7+1+6
+2.2Round 14🇸🇪 Sweden53NT♦7+3+13
+2.1Round 19🇷🇴 Romania162♠♦J=+6
+2.0Round 1🇷🇺 Russia106♠+1-13
+2.0Round 4🇧🇪 Belgium126♥♦7=+0
+2.0Round 7🇵🇹 Portugal72♥♣10+2+8
+2.0Round 10🇵🇱 Poland193NT♥3=+0
+2.0Round 15🇸🇰 Slovakia103♥♦8-1-11
+1.9Round 2🇩🇰 Denmark173NT♣4-1+5
+1.9Round 4🇧🇪 Belgium156♦♠5+1+12
+1.9Round 17🇬🇷 Greece192♥♠Q=+0
+1.8Round 11🇩🇪 Germany134♥♣5=+0
+1.8Round 14🇸🇪 Sweden121NT♥9+4+3
+1.8Round 17🇬🇷 Greece124♠♦6+2-11
+1.8Round 21🇳🇴 Norway14♥♥7=+3
+1.7Round 14🇸🇪 Sweden42NT♦Q=+11
+1.7Round 15🇸🇰 Slovakia55♣♥10=-1
+1.6Round 8🇮🇹 Italy102♦♣4-1+5
+1.6Round 14🇸🇪 Sweden12♠♥3=-1
+1.6Round 14🇸🇪 Sweden144♦x♠K-1+1
+1.6Round 18🇨🇿 Czech Republic63♥♥5+1-6
+1.5Round 4🇧🇪 Belgium104♠♥8+1+1
+1.5Round 14🇸🇪 Sweden152♠♥K-1-1
+1.5Round 14🇸🇪 Sweden194♥♣6=-1
+1.4Round 4🇧🇪 Belgium93NT♥A-2+5
+1.4Round 16🇫🇷 France14♠♥4=+0
+1.3Round 4🇧🇪 Belgium71♥♣4+1+0
+1.3Round 15🇸🇰 Slovakia24♥♦7=+1
+1.2Round 5🇱🇻 Latvia74♠♣3+2+12
+1.2Round 8🇮🇹 Italy14♥♦A-2-5
+1.0Round 5🇱🇻 Latvia131NT♣3-1+0
+1.0Round 11🇩🇪 Germany125♦♠5=-1
+1.0Round 14🇸🇪 Sweden72♦♥4+2-10
+1.0Round 14🇸🇪 Sweden18Pass+3
+1.0Round 15🇸🇰 Slovakia144♠♦2=+0
+1.0Round 17🇬🇷 Greece174♥♦K=-1
+1.0Round 18🇨🇿 Czech Republic23♥♦5-1-2
+0.9Round 2🇩🇰 Denmark134♠♦2=-1
+0.8Round 4🇧🇪 Belgium61NT♣6=-1
+0.7Round 1🇷🇺 Russia43NT+2+12
+0.7Round 4🇧🇪 Belgium34♥♥3+1+1
+0.7Round 11🇩🇪 Germany24♠♥K+1+0
+0.6Round 10🇵🇱 Poland74♥♠3+1+13
+0.6Round 11🇩🇪 Germany73NT♦A-1-5
+0.5Round 15🇸🇰 Slovakia184♠♦J+1-10
+0.5Round 16🇫🇷 France194♥♠K=+11
+0.5Round 17🇬🇷 Greece83♥♣A-1-2
+0.4Round 4🇧🇪 Belgium204♦♥5=+0
+0.4Round 19🇷🇴 Romania93♣♦A+1+7
+0.4Round 21🇳🇴 Norway171NT♦5=-1
+0.3Round 2🇩🇰 Denmark73♥♠A+1+8
+0.3Round 14🇸🇪 Sweden83♠♠9+2+12
+0.2Round 1🇷🇺 Russia93♥-1-4
+0.2Round 10🇵🇱 Poland33♣♥9=+5
+0.2Round 11🇩🇪 Germany143♥♥5+1-6
+0.2Round 17🇬🇷 Greece63NT♣Q+2+0
+0.2Round 19🇷🇴 Romania193NT♥2+1+10
+0.1Round 1🇷🇺 Russia64♥=+0
+0.1Round 7🇵🇹 Portugal192♦♠2-1-5
-0.0Round 2🇩🇰 Denmark142♠♣4+3+6
-0.0Round 2🇩🇰 Denmark164♥♠J=+0
-0.0Round 7🇵🇹 Portugal153♥♦A=-1
-0.0Round 10🇵🇱 Poland123♦♥6=+0
-0.0Round 11🇩🇪 Germany33NT♥6+1+0
-0.1Round 15🇸🇰 Slovakia71NT♠3=+1
-0.1Round 16🇫🇷 France63♠♦2=+0
-0.1Round 17🇬🇷 Greece93NT♠4+1+0
-0.2Round 2🇩🇰 Denmark23♣♠6+2-1
-0.2Round 10🇵🇱 Poland54♠♦10=+0
-0.3Round 4🇧🇪 Belgium134♠♥3=+0
-0.3Round 10🇵🇱 Poland172♠♦A=-1
-0.3Round 10🇵🇱 Poland201♠♣A+1-6
-0.3Round 21🇳🇴 Norway114♥♣A+1+0
-0.4Round 1🇷🇺 Russia124♥+2-9
-0.4Round 16🇫🇷 France91NT♥2-1-11
-0.5Round 1🇷🇺 Russia53♥-1-11
-0.5Round 2🇩🇰 Denmark103NT♥4=-2
-0.5Round 5🇱🇻 Latvia32♥♦A+2+10
-0.5Round 5🇱🇻 Latvia194♠♦J+2+12
-0.5Round 5🇱🇻 Latvia205♥♣Q=+0
-0.5Round 7🇵🇹 Portugal183NT♠2=+0
-0.5Round 8🇮🇹 Italy142♥♠8-1-2
-0.5Round 18🇨🇿 Czech Republic14Pass-2
-0.6Round 14🇸🇪 Sweden204♥♠K=+0
-0.6Round 17🇬🇷 Greece154♥♦K=+0
-0.6Round 21🇳🇴 Norway34♠♥10+1+0
-0.6Round 21🇳🇴 Norway44♥♠J-1-6
-0.7Round 5🇱🇻 Latvia22♣♠5=+8
-0.7Round 10🇵🇱 Poland83NT♥2=+1
-0.7Round 16🇫🇷 France162♠♥K-1-5
-0.8Round 4🇧🇪 Belgium145♣x♠6-1+6
-0.8Round 5🇱🇻 Latvia63NT♥8+1+0
-0.8Round 8🇮🇹 Italy194♥♣J+1+0
-0.8Round 16🇫🇷 France104♠♣5+2-1
-0.9Round 5🇱🇻 Latvia115♣x♥A=-6
-0.9Round 7🇵🇹 Portugal141♠♥K-1+1
-0.9Round 10🇵🇱 Poland25♠♠2+1-1
-0.9Round 14🇸🇪 Sweden101♠♥K+1+1
-0.9Round 14🇸🇪 Sweden112NT♥3=-7
-0.9Round 14🇸🇪 Sweden133♣♠A-1-6
-0.9Round 16🇫🇷 France32NT♣Q-1+4
-1.0Round 5🇱🇻 Latvia154♠♥6+2-1
-1.0Round 14🇸🇪 Sweden23♦♥2=+0
-1.0Round 18🇨🇿 Czech Republic56♥♣Q+1+11
-1.0Round 18🇨🇿 Czech Republic82♠♣Q+3-6
-1.1Round 2🇩🇰 Denmark94♥♦2+1+11
-1.1Round 8🇮🇹 Italy164♠x♥2-1+0
-1.1Round 18🇨🇿 Czech Republic171NT♣2=+1
-1.2Round 1🇷🇺 Russia144♣-1-4
-1.2Round 8🇮🇹 Italy202♠♦5=-1
-1.2Round 15🇸🇰 Slovakia84♥♠A-1+2
-1.2Round 18🇨🇿 Czech Republic123NT♣A-1-6
-1.3Round 11🇩🇪 Germany13NT♥K=-3
-1.3Round 21🇳🇴 Norway203NT♣J+2+0
-1.4Round 4🇧🇪 Belgium84♥♣8-1-10
-1.4Round 8🇮🇹 Italy62♠♦Q=+0
-1.4Round 17🇬🇷 Greece114♥♦3+1+0
-1.5Round 4🇧🇪 Belgium113♠♣J=+0
-1.5Round 19🇷🇴 Romania185♣♠Q=-7
-1.6Round 2🇩🇰 Denmark124♥♦4-1-5
-1.6Round 8🇮🇹 Italy22♥♥3-1+1
-1.6Round 8🇮🇹 Italy84♠♥8-2-5
-1.7Round 7🇵🇹 Portugal43NT♦6+1+0
-1.7Round 11🇩🇪 Germany174♠x♥A-3-2
-1.8Round 7🇵🇹 Portugal133♣♦2=-6
-1.8Round 16🇫🇷 France71NTx♣9-1+2
-1.9Round 2🇩🇰 Denmark54♠♥5=+0
-1.9Round 4🇧🇪 Belgium43NT♠2-2-8
-1.9Round 4🇧🇪 Belgium53NT♣2=+1
-1.9Round 10🇵🇱 Poland61NT♣5-2+0
-2.0Round 7🇵🇹 Portugal112NT♠10+1-6
-2.0Round 19🇷🇴 Romania144♠♦J+1+11
-2.1Round 10🇵🇱 Poland133♠♦K=+0
-2.1Round 16🇫🇷 France115♦♥Q=+1
-2.1Round 18🇨🇿 Czech Republic44♠♥6-1+6
-2.2Round 5🇱🇻 Latvia103♣♣6=+1
-2.2Round 7🇵🇹 Portugal63♥♦2+1-1
-2.2Round 8🇮🇹 Italy34♠♠7-1-10
-2.2Round 8🇮🇹 Italy114♠♣2-3-1
-2.3Round 7🇵🇹 Portugal202♥♥4+1+0
-2.3Round 11🇩🇪 Germany53♥♦A-2+0
-2.3Round 18🇨🇿 Czech Republic113♣♦A+1-1
-2.3Round 21🇳🇴 Norway24♥♠10+1+0
-2.4Round 8🇮🇹 Italy74♥♠K+1+0
-2.4Round 14🇸🇪 Sweden62♠♣5=-9
-2.5Round 8🇮🇹 Italy132NT♣5-1-6
-2.6Round 5🇱🇻 Latvia84♠♥K-1-4
-2.6Round 19🇷🇴 Romania24♠♣A+3-5
-2.7Round 1🇷🇺 Russia151♥+1-5
-2.7Round 2🇩🇰 Denmark42♠♥4+1+0
-2.7Round 17🇬🇷 Greece42♠♣6-2-2
-2.7Round 17🇬🇷 Greece132♥♦4-1-5
-2.7Round 19🇷🇴 Romania83♦♠3-2+0
-2.9Round 10🇵🇱 Poland184♠♣J=-11
-3.0Round 10🇵🇱 Poland153NT♠Q-3-14
-3.0Round 11🇩🇪 Germany194♠♥10+1+0
-3.1Round 15🇸🇰 Slovakia135♣x♠7=+8
-3.1Round 16🇫🇷 France23NT♦Q-1-5
-3.1Round 19🇷🇴 Romania53♠♦7-2-5
-3.2Round 18🇨🇿 Czech Republic162♥♣9+1-7
-3.2Round 19🇷🇴 Romania33♠♦9-1+7
-3.2Round 21🇳🇴 Norway163♣♠J+1-1
-3.4Round 18🇨🇿 Czech Republic93NT♥J+1+0
-3.5Round 17🇬🇷 Greece71NT♣7=-5
-3.6Round 8🇮🇹 Italy44♥♠J+2-1
-3.6Round 8🇮🇹 Italy172♥♦Q+2-4
-3.6Round 11🇩🇪 Germany44♠♠Q+1-1
-3.6Round 21🇳🇴 Norway193NT♦Q+1+0
-3.8Round 8🇮🇹 Italy52♦♥3-2-3
-3.8Round 11🇩🇪 Germany104♥♠2+1-1
-3.8Round 17🇬🇷 Greece23NT♥5+1+12
-3.8Round 21🇳🇴 Norway102♠♥A+1+0
-4.0Round 18🇨🇿 Czech Republic184♥♦2=+0
-4.2Round 1🇷🇺 Russia76♠-1-13
-4.2Round 10🇵🇱 Poland102NT♠7+1-7
-4.3Round 4🇧🇪 Belgium12♠♥2=+0
-4.4Round 4🇧🇪 Belgium174♠♥A-1-5
-4.4Round 21🇳🇴 Norway95♦♦4-1-5
-4.6Round 19🇷🇴 Romania122♥♥2+1+0
-4.7Round 8🇮🇹 Italy123♣♥3=-10
-4.7Round 16🇫🇷 France174♥x♠6-1-11
-4.9Round 16🇫🇷 France154♥♠3-1-5
-5.0Round 11🇩🇪 Germany206♥♠K+1-1
-5.2Round 11🇩🇪 Germany183♣♠2=-6
-5.3Round 2🇩🇰 Denmark61NT♣2-1-5
-5.4Round 10🇵🇱 Poland44♥♦5-1-6
-5.5Round 2🇩🇰 Denmark35♦x♥A-2+0
-5.7Round 21🇳🇴 Norway142♠♥10+1-2
-5.9Round 4🇧🇪 Belgium23NT♥10-1-10
-6.0Round 5🇱🇻 Latvia44♠♣K=-13
-6.0Round 5🇱🇻 Latvia92♣♣6+1+0
-6.3Round 11🇩🇪 Germany95♣♠A-1-6
-6.3Round 18🇨🇿 Czech Republic204♠♣4-1-12
-6.6Round 7🇵🇹 Portugal104♠♥J-2-13
-7.0Round 16🇫🇷 France123NT♥7-2-11
-7.0Round 17🇬🇷 Greece15♦x♠K-3-2
-7.2Round 5🇱🇻 Latvia164♦♦9=-11
-7.3Round 21🇳🇴 Norway53NT♥2=-7
-7.4Round 1🇷🇺 Russia133♦=-6
-7.9Round 10🇵🇱 Poland13NT♠2=-7
-8.5Round 21🇳🇴 Norway86♣♦4=+2
-8.6Round 1🇷🇺 Russia184♥-1-12
-9.1Round 15🇸🇰 Slovakia195♥x♦6-3-9
-9.6Round 8🇮🇹 Italy183NTx♥2+1-6
-10.0Round 2🇩🇰 Denmark115♠♠5-1-11