🇳🇱 BAKKER Kees · NETHERLANDS

71rank
+0.3Butler · 240 bds
+0.00per board
±3.9swing
+0.12vs par /bd · #57/134
+0.03adjusted /bd
Butler per round: -11.8 -0.9 19.1 2.7 11.6 34.3 -19.5 4.2 -5.9 26.7 -1 -24.2 -7.4 -10.1 -17.5by round

vs par split: bidding +0.20 · play -0.10

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

Card play — on target: opening leads 78.8% #99 of 134 · declarer play 73.4% #77 of 134 · defence 88.5% #43 of 134

Bidding activity — not a pass: 42.5% #57 of 134 (275/647)

Card play by contract type — on target
vs NTvs a suit
Opening leads68.4% (19)83.0% (47)
Declarer play69.6% (23)75.6% (41)
Defence81.1% (37)91.8% (85)

Opening leads by suit led: ♠ 81.2% (16) · ♥ 76.9% (13) · ♦ 73.1% (26) · ♣ 90.9% (11)

vs par by strain: NT -0.30 (76) · a suit +0.29 (163)

vs par by level: part-score +0.67 (93) · game +0.13 (133) · slam -4.15 (13)

By role: declaring -0.21/bd (-3.06 vs par · 117) · defending +0.19/bd (+3.14 vs par · 122)

By vulnerability: vulnerable -0.29/bd (+0.62 vs par · 120) · not vulnerable +0.30/bd (-0.38 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.BakkerenN.Kokten – M.InceOpen16-11.8-0.74-1.06
Round 3T.BakkerenI.Ilzins – A.MilgravisClosed16-0.9-0.06-2.25
Round 4T.BakkerenI.Sime – D.DiamondOpen16+19.1+1.19+2.25
Round 6T.BakkerenM.Mcauliffe – D.DunneOpen16+2.7+0.17+1.81
Round 8T.BakkerenH.Hantveit – A.ThomassenOpen16+11.6+0.72+0.62
Round 10T.BakkerenC.Popescu – G.NeamtuOpen16+34.3+2.14-1.50
Round 11T.BakkerenT.Jullis – T.PlekseppOpen16-19.5-1.22-2.12
Round 13T.BakkerenJ.Caric – B.SpiljakOpen16+4.2+0.26+0.12
Round 14T.BakkerenC.Catzeflis – M.GorettiOpen16-5.9-0.37+0.88
Round 16T.BakkerenE.Basabe – G.CarrascoOpen16+26.7+1.67+2.19
Round 17T.BakkerenB.Efraimsson – A.MorathOpen16-1.0-0.06-0.50
Round 18T.BakkerenA.Buratti – G.FaillaOpen16-24.2-1.51-0.25
Round 20T.BakkerenP.Shields – R.ChamberlainClosed16-7.4-0.46+1.06
Round 21T.BakkerenG.Van Middelem – D.CalasOpen16-10.1-0.63-0.12
Round 23T.BakkerenP.Schaltz – D.SchaltzClosed16-17.5-1.09+0.69

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
+14.9Round 16🇪🇸 SPAIN296♦x♠J+1+17
+10.6Round 3🇱🇻 LATVIA293NT♦8+3+13
+9.6Round 10🇷🇴 ROMANIA283NT♣8=+6
+8.9Round 14🇨🇭 SWITZERLAND324♥♦7-1+5
+8.4Round 13🇭🇷 CROATIA83♦x♥4-4+8
+8.1Round 18🇮🇹 ITALY325♠♣J-1+14
+7.4Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND173NT♦3-1+4
+7.3Round 6🇮🇪 IRELAND184♠♣4+2+11
+7.3Round 8🇳🇴 NORWAY185♥x♠A-1+11
+6.9Round 10🇷🇴 ROMANIA312NT♣6+3+9
+6.7Round 16🇪🇸 SPAIN204♥♣5-2+8
+6.4Round 16🇪🇸 SPAIN184♠♥T=+0
+6.4Round 23🇩🇰 DENMARK304♠x♦A+1+6
+6.3Round 10🇷🇴 ROMANIA223NT♦K-1+10
+6.3Round 14🇨🇭 SWITZERLAND254♥♣4-1+12
+6.2Round 3🇱🇻 LATVIA304♠♥9=+0
+6.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND263NT♠T-2+8
+6.2Round 11🇪🇪 ESTONIA74♥♠7-2+7
+6.0Round 10🇷🇴 ROMANIA205♦x♥J-1+8
+6.0Round 13🇭🇷 CROATIA113NT♥9=+0
+6.0Round 23🇩🇰 DENMARK257♠♥2=+0
+5.8Round 13🇭🇷 CROATIA156NTx♠7-1+13
+5.8Round 17🇸🇪 SWEDEN143NT♥2+1+1
+5.1Round 10🇷🇴 ROMANIA264♠♥9+1+1
+5.0Round 16🇪🇸 SPAIN284♠♥T-1+6
+4.9Round 16🇪🇸 SPAIN241♠♦K+1+7
+4.6Round 1🇹🇷 TURKIYE244♠♠5-1+4
+4.6Round 8🇳🇴 NORWAY212♠♦3+2+6
+4.2Round 3🇱🇻 LATVIA182♥♦3=-1
+4.2Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262♠♣K=+6
+4.2Round 21🇧🇪 BELGIUM275♥♠2=+0
+4.1Round 18🇮🇹 ITALY211NT♠6+1+15
+4.0Round 1🇹🇷 TURKIYE324♠x♦A=+5
+4.0Round 6🇮🇪 IRELAND304♦♣J=+6
+3.8Round 1🇹🇷 TURKIYE294♠♣A-1+6
+3.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND184♠♣J=+0
+3.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND213NT♣7-1+12
+3.7Round 10🇷🇴 ROMANIA193NT♦6-1+4
+3.6Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND274♠♣2-1+10
+3.6Round 13🇭🇷 CROATIA162♠♠6-3+6
+3.6Round 23🇩🇰 DENMARK233♥♦K+1+10
+3.5Round 16🇪🇸 SPAIN304♠♣2-2+9
+3.5Round 21🇧🇪 BELGIUM304♠♦Q-1+4
+3.4Round 13🇭🇷 CROATIA73♥♦Q+2+10
+3.4Round 14🇨🇭 SWITZERLAND202♠♦9=+0
+3.4Round 17🇸🇪 SWEDEN163♥♦Q=+0
+3.3Round 8🇳🇴 NORWAY222♣♣7+2+10
+3.2Round 10🇷🇴 ROMANIA302♦♠Q=+0
+3.1Round 6🇮🇪 IRELAND174♠♣K-2+8
+3.0Round 3🇱🇻 LATVIA204♠♥T-2+8
+2.9Round 17🇸🇪 SWEDEN61♥♦Q+1+7
+2.9Round 21🇧🇪 BELGIUM283NT♦A+3+1
+2.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND202♠♥K+1+7
+2.7Round 21🇧🇪 BELGIUM254♠♦A=+3
+2.3Round 16🇪🇸 SPAIN173NT♦4-2+5
+2.2Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND301NT♠2=+5
+2.2Round 21🇧🇪 BELGIUM202♠♥J+1+1
+2.2Round 23🇩🇰 DENMARK172♠♦A-1+4
+2.0Round 8🇳🇴 NORWAY296♥♣T+1-13
+2.0Round 10🇷🇴 ROMANIA273NT♣J+2+1
+2.0Round 16🇪🇸 SPAIN211NT♣2=-2
+1.9Round 8🇳🇴 NORWAY315♦♥2=-1
+1.9Round 17🇸🇪 SWEDEN102♣♥7=+0
+1.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND324♥♠8-2+5
+1.8Round 6🇮🇪 IRELAND264♥♥2+1+0
+1.8Round 13🇭🇷 CROATIA61NT♦3=+7
+1.7Round 8🇳🇴 NORWAY201♦♦9-1+0
+1.7Round 10🇷🇴 ROMANIA174♥♦Q+1-11
+1.7Round 13🇭🇷 CROATIA53♠♦9+1+1
+1.7Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24Pass+4
+1.5Round 1🇹🇷 TURKIYE193NT♠Q+2-11
+1.5Round 1🇹🇷 TURKIYE224♥♣K-1+5
+1.5Round 13🇭🇷 CROATIA144♠♥A+2+1
+1.4Round 1🇹🇷 TURKIYE313♠♦9-2+6
+1.4Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183NT♣J+3+1
+1.3Round 11🇪🇪 ESTONIA22♣♠K+2+0
+1.3Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173♦♣A+1+0
+1.3Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND323NT♥2-1-12
+1.2Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND214♥♣J=+0
+1.1Round 6🇮🇪 IRELAND213♣♥Q+1+0
+1.1Round 8🇳🇴 NORWAY302NT♥6-2+6
+1.1Round 14🇨🇭 SWITZERLAND183♥♠7=+7
+1.1Round 17🇸🇪 SWEDEN24♥♠3-1-1
+1.0Round 6🇮🇪 IRELAND273♣x♠T-1+0
+1.0Round 11🇪🇪 ESTONIA94♠♦3+2+2
+1.0Round 14🇨🇭 SWITZERLAND313♥♠Q=+7
+1.0Round 17🇸🇪 SWEDEN33NT♠3+2+1
+0.9Round 1🇹🇷 TURKIYE184♠♦T-2+11
+0.9Round 11🇪🇪 ESTONIA61NT♦6=+0
+0.9Round 16🇪🇸 SPAIN323NT♥3=-1
+0.9Round 23🇩🇰 DENMARK184♠♦Q+3+2
+0.8Round 3🇱🇻 LATVIA194♥♠7+1+0
+0.8Round 6🇮🇪 IRELAND294♥♣2+1+0
+0.8Round 10🇷🇴 ROMANIA294♥♣J+1+0
+0.8Round 16🇪🇸 SPAIN313NT♥4+2+1
+0.8Round 17🇸🇪 SWEDEN153NT♣Q+1+1
+0.8Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273NT♥2-1+5
+0.8Round 21🇧🇪 BELGIUM243NT♥9-1+10
+0.7Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND193♦♣6=+7
+0.7Round 6🇮🇪 IRELAND204♠♦Q=+9
+0.7Round 8🇳🇴 NORWAY193♠♣A=+0
+0.7Round 13🇭🇷 CROATIA92♥♦K=+1
+0.6Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND303NT♠J+2-11
+0.6Round 14🇨🇭 SWITZERLAND294♠♣6+1+17
+0.5Round 3🇱🇻 LATVIA312♦♥A+2-7
+0.5Round 14🇨🇭 SWITZERLAND175♣♥K+1+9
+0.5Round 17🇸🇪 SWEDEN52♥♠K+2-6
+0.5Round 17🇸🇪 SWEDEN113♠♣4-1-9
+0.4Round 3🇱🇻 LATVIA264♠♥K=+0
+0.4Round 11🇪🇪 ESTONIA13♥♠3=+0
+0.4Round 11🇪🇪 ESTONIA44♥♣2+2-13
+0.4Round 11🇪🇪 ESTONIA152♥♣A+1+6
+0.4Round 13🇭🇷 CROATIA13NT♠T+1+1
+0.4Round 18🇮🇹 ITALY273NT♥2=+0
+0.2Round 3🇱🇻 LATVIA252♠♥Q+1+7
+0.1Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND221NT♠4=-1
+0.1Round 17🇸🇪 SWEDEN121NT♦4-3+10
+0.1Round 23🇩🇰 DENMARK204♠♦T+1+13
+0.0Round 6🇮🇪 IRELAND314♥♦T+1+14
-0.0Round 8🇳🇴 NORWAY171NT♦8+1+1
-0.0Round 10🇷🇴 ROMANIA244♠♦6+1+0
-0.1Round 6🇮🇪 IRELAND193NT♥2=-11
-0.1Round 8🇳🇴 NORWAY253♦♠3=-7
-0.1Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND252♦♥9+3+6
-0.1Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283NT♦J+2-1
-0.1Round 21🇧🇪 BELGIUM181NT♦3+1+0
-0.1Round 21🇧🇪 BELGIUM295♣♥J=+2
-0.2Round 1🇹🇷 TURKIYE201NT♣6=+2
-0.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND243♦♥Q=-1
-0.2Round 6🇮🇪 IRELAND223NT♥2=+0
-0.3Round 23🇩🇰 DENMARK324♠♥7+2+13
-0.4Round 11🇪🇪 ESTONIA103NT♥Q+2-1
-0.4Round 18🇮🇹 ITALY193NT♠4+1+0
-0.4Round 21🇧🇪 BELGIUM192♥♠A-1-2
-0.5Round 8🇳🇴 NORWAY233NT♠5+3-1
-0.5Round 8🇳🇴 NORWAY273NT♣6+2+14
-0.5Round 18🇮🇹 ITALY282NT♥2=+0
-0.5Round 18🇮🇹 ITALY311NT♠K-1+2
-0.6Round 8🇳🇴 NORWAY284♦♣A=+1
-0.6Round 16🇪🇸 SPAIN191NT♦Q+2-1
-0.6Round 16🇪🇸 SPAIN275♠♦5+1-14
-0.7Round 23🇩🇰 DENMARK293NT♠2-1-6
-0.8Round 11🇪🇪 ESTONIA133♣♦T-1+5
-0.8Round 16🇪🇸 SPAIN221NT♦2+1+1
-0.8Round 18🇮🇹 ITALY173♥♣8-2+5
-0.9Round 14🇨🇭 SWITZERLAND242♠♥2-1+2
-1.0Round 10🇷🇴 ROMANIA323NT♥2+2-12
-1.0Round 18🇮🇹 ITALY183NT♠2=+1
-1.2Round 1🇹🇷 TURKIYE261♠♠7=-5
-1.2Round 1🇹🇷 TURKIYE274♠♥A=+0
-1.2Round 8🇳🇴 NORWAY322NT♥T+1+1
-1.2Round 10🇷🇴 ROMANIA254♥♣8+2-13
-1.2Round 17🇸🇪 SWEDEN134♠♥K-2+0
-1.2Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223♠♣K=+0
-1.3Round 6🇮🇪 IRELAND285♥♠K=+11
-1.3Round 17🇸🇪 SWEDEN72♦♠9+1+0
-1.4Round 11🇪🇪 ESTONIA33NT♥3+3-1
-1.4Round 14🇨🇭 SWITZERLAND221NT♠3-1-4
-1.4Round 23🇩🇰 DENMARK195♦♠K-1-5
-1.5Round 1🇹🇷 TURKIYE233♥♦Q=+0
-1.5Round 14🇨🇭 SWITZERLAND283♠♦A-1+1
-1.6Round 1🇹🇷 TURKIYE173♥♠K-1+2
-1.6Round 3🇱🇻 LATVIA174♠♦K+2-11
-1.6Round 3🇱🇻 LATVIA324♠♣K+1+0
-1.6Round 6🇮🇪 IRELAND253NT♥J+1+0
-1.6Round 10🇷🇴 ROMANIA183NT♥T+3-11
-1.6Round 13🇭🇷 CROATIA132♠♠9+1+0
-1.8Round 3🇱🇻 LATVIA275♦♥Q+1-11
-1.8Round 14🇨🇭 SWITZERLAND304♠♥A-1-4
-1.8Round 21🇧🇪 BELGIUM223NT♥9=+1
-1.8Round 23🇩🇰 DENMARK312♠x♥K-2+9
-1.9Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND293NT♦5+2-1
-1.9Round 17🇸🇪 SWEDEN41NT♦Q+3-2
-1.9Round 18🇮🇹 ITALY263NT♠K-4-6
-2.0Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND253NT♥3+3-3
-2.0Round 21🇧🇪 BELGIUM214♥♦7-1-5
-2.0Round 23🇩🇰 DENMARK283♠♦K-2-9
-2.1Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND284♥♠K-3+0
-2.1Round 10🇷🇴 ROMANIA215♦♠9-2+0
-2.1Round 11🇪🇪 ESTONIA53NT♥6+2+0
-2.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND313NT♠2+1+0
-2.2Round 17🇸🇪 SWEDEN83♦♣A-1-4
-2.3Round 21🇧🇪 BELGIUM264♥♦2+1-1
-2.4Round 8🇳🇴 NORWAY263♥♦K=-7
-2.4Round 13🇭🇷 CROATIA122NT♠3-1-4
-2.4Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233♠♥K=+0
-2.5Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND294♠♦A=+0
-2.6Round 11🇪🇪 ESTONIA114♦♣9=-13
-2.7Round 11🇪🇪 ESTONIA85♠♣Q=-11
-2.7Round 14🇨🇭 SWITZERLAND262♣♥6=-11
-2.7Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND314♥♣Q-1+2
-3.0Round 11🇪🇪 ESTONIA163♥♠2=-1
-3.1Round 3🇱🇻 LATVIA224♠♥A=-11
-3.3Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND233♥♦6=+0
-3.3Round 6🇮🇪 IRELAND233NT♠4-2-8
-3.4Round 14🇨🇭 SWITZERLAND232♥♣6=-6
-3.5Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♠♣9+1+13
-3.5Round 21🇧🇪 BELGIUM174♠♦8+1+0
-3.6Round 1🇹🇷 TURKIYE256NT♥4-1-14
-3.8Round 3🇱🇻 LATVIA232♦♥6=-6
-3.8Round 18🇮🇹 ITALY202♥♦6+1+0
-3.8Round 18🇮🇹 ITALY234♠♣6-2-8
-3.8Round 18🇮🇹 ITALY253♠♦6=-1
-4.0Round 3🇱🇻 LATVIA283♠♦K+1-1
-4.0Round 13🇭🇷 CROATIA24♥♥9-1-5
-4.0Round 16🇪🇸 SPAIN251NT♦Q-2-3
-4.1Round 6🇮🇪 IRELAND324♥♣6=+0
-4.1Round 18🇮🇹 ITALY304♥♠2+1-11
-4.2Round 18🇮🇹 ITALY222♠♦T+1-7
-4.2Round 23🇩🇰 DENMARK271NT♣6+3-7
-4.3Round 3🇱🇻 LATVIA214♥♦A-1-5
-4.4Round 14🇨🇭 SWITZERLAND276♠♥A-1-11
-4.4Round 23🇩🇰 DENMARK213NT♦2+1+0
-4.5Round 13🇭🇷 CROATIA104♠♦J-2-9
-4.8Round 21🇧🇪 BELGIUM231NT♠3-3-5
-4.9Round 1🇹🇷 TURKIYE212♠♣9-2-8
-5.1Round 10🇷🇴 ROMANIA236♦♥3-1-16
-5.5Round 21🇧🇪 BELGIUM324♥♦2=+0
-5.6Round 14🇨🇭 SWITZERLAND215♣♠K=-5
-5.7Round 8🇳🇴 NORWAY243NT♥Q=-11
-5.8Round 17🇸🇪 SWEDEN93NT♥Q=-6
-5.8Round 23🇩🇰 DENMARK224♥♦T-2-11
-5.9Round 18🇮🇹 ITALY243♥♣K=-1
-5.9Round 21🇧🇪 BELGIUM315♥x♠7-2-11
-6.0Round 14🇨🇭 SWITZERLAND193♥♠K-1-5
-6.1Round 13🇭🇷 CROATIA42♦♥K=-11
-6.1Round 18🇮🇹 ITALY293NT♠A-2-7
-6.2Round 11🇪🇪 ESTONIA124♥♦A=+0
-6.5Round 6🇮🇪 IRELAND244♠♣Q-1-11
-6.6Round 3🇱🇻 LATVIA244♥♣7-2-11
-6.6Round 17🇸🇪 SWEDEN17♥♠5=+0
-6.7Round 23🇩🇰 DENMARK244♠♦5+1-7
-6.9Round 16🇪🇸 SPAIN236♦♣3=+2
-7.4Round 1🇹🇷 TURKIYE283NT♥Q+3-13
-7.8Round 16🇪🇸 SPAIN266♠♠6=+0
-7.9Round 1🇹🇷 TURKIYE303NT♣K=-7
-9.0Round 20🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193NT♠4-1-12
-9.4Round 23🇩🇰 DENMARK266♥♠4=-1
-10.5Round 13🇭🇷 CROATIA36♥♣9-1-17
-10.9Round 11🇪🇪 ESTONIA147♣♦6-1-14