🇳🇱 VAN DEN BOS Berend · NETHERLANDS

26rank
+82.9Butler · 224 bds
+0.37per board
±3.9swing
+0.34vs par /bd · #33/123
+0.40adjusted /bd
Butler per round: 12.8 -5 9.7 -10.5 -3.9 25.5 -1.8 22.9 5.5 3.6 -1.5 20.1 -0.8 6.3by round

vs par split: bidding +0.16 · play +0.17

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted +0.40/bd

Card play — on target: opening leads 83.6% #49 of 123 · declarer play 81.8% #23 of 123 · defence 86.0% #78 of 123

Card play by contract type — on target
vs NTvs a suit
Opening leads84.2% (19)83.3% (42)
Declarer play93.3% (15)78.4% (51)
Defence87.5% (32)85.3% (68)

Opening leads by suit led: ♠ 87.5% (16) · ♥ 70.6% (17) · ♦ 100.0% (12) · ♣ 81.2% (16)

vs par by strain: NT +1.01 (65) · a suit +0.05 (157)

vs par by level: part-score -0.32 (92) · game +0.59 (112) · slam +2.06 (18)

By role: declaring +1.00/bd (-0.72 vs par · 122) · defending -0.39/bd (+1.61 vs par · 102)

By vulnerability: vulnerable +0.13/bd (+0.12 vs par · 112) · not vulnerable +0.61/bd (+0.55 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.Van LankveldA.Bach – M.CornellClosed16+12.8+0.80-0.50
Round 3J.Van LankveldF.Nystrom – J.UpmarkOpen16-5.0-0.31+0.38
Round 4J.Van LankveldM.Rahman – M.AhasanClosed16+9.7+0.61-1.06
Round 5J.Van LankveldM.Di Franco – A.MannoOpen16-10.5-0.66+0.00
Round 7J.Van LankveldH.Lasut – E.ManoppoOpen16-3.9-0.24-0.62
Round 9J.Van LankveldD.Gerin – J.PelletierOpen16+25.5+1.59+1.06
Round 10J.Van LankveldS.Srinivasan – P.SridharanOpen16-1.8-0.11+0.62
Round 12J.Van LankveldC.Bosenberg – N.EberOpen16+22.9+1.43+0.69
Round 14J.Van LankveldE.Rodwell – J.MeckstrothClosed16+5.5+0.34+1.25
Round 15J.Van LankveldE.Yeh – L.ChenOpen16+3.6+0.23-0.88
Round 16J.Van LankveldP.Gill – A.PeakeOpen16-1.5-0.09+2.44
Round 18J.Van LankveldW.El Ahmady – T.SadekOpen16+20.1+1.26+0.75
Round 19J.Van LankveldJ.Dai – L.YangOpen16-0.8-0.05+1.75
Round 20J.Van LankveldC.Lorenzini – J.QuantinOpen16+6.3+0.39-1.12

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
+13.3Round 10🇮🇳 INDIA215♦x♣K=+12
+12.7Round 4🇧🇩 BANGLADESH183NTx♠J-3+12
+11.4Round 16🇦🇺 AUSTRALIA194♠♣4=+11
+11.0Round 19🇨🇳 CHINA33♦x♥7-3+9
+11.0Round 20🇫🇷 FRANCE256♥♣6=+1
+10.7Round 18🇪🇬 EGYPT286♠♣5=+11
+10.2Round 12🇿🇦 SOUTH AFRICA284♥♦K=+10
+9.5Round 18🇪🇬 EGYPT255♦♠3-1+10
+9.4Round 12🇿🇦 SOUTH AFRICA236♠♠3=+0
+9.3Round 20🇫🇷 FRANCE294♠♣2+1+4
+8.8Round 9🇬🇵 GUADELOUPE134♦♦7+2+15
+8.2Round 16🇦🇺 AUSTRALIA233NT♥Q-1+12
+7.9Round 19🇨🇳 CHINA63NT♥8-3+9
+7.0Round 1🇳🇿 NEW ZEALAND126♥♣6=-11
+6.8Round 15🇹🇼 CHINESE TAIPEI14NT♠5+2+3
+6.2Round 10🇮🇳 INDIA194♥♠9=+7
+5.8Round 9🇬🇵 GUADELOUPE143♦♠3-3+6
+5.6Round 10🇮🇳 INDIA326♥x♠K-3+17
+5.6Round 12🇿🇦 SOUTH AFRICA194♥x♦K=+4
+5.4Round 5🇮🇹 ITALY32♠♦K+2+6
+4.9Round 14🇺🇸 USA1263NT♥3+1+11
+4.9Round 20🇫🇷 FRANCE306♥♦5=+0
+4.7Round 9🇬🇵 GUADELOUPE101NT♦8+2+0
+4.7Round 10🇮🇳 INDIA172NT♠2=+6
+4.7Round 14🇺🇸 USA1173NT♥6-3+11
+4.7Round 14🇺🇸 USA1304♠♥9=+0
+4.6Round 1🇳🇿 NEW ZEALAND64♥♠8-1+6
+4.5Round 7🇮🇩 INDONESIA94♥♦Q+1+0
+4.2Round 15🇹🇼 CHINESE TAIPEI114♥♣4=+0
+4.1Round 19🇨🇳 CHINA152NT♥2-2+5
+4.0Round 1🇳🇿 NEW ZEALAND43♦♥10-1+6
+4.0Round 3🇸🇪 SWEDEN144♥♠5=-1
+4.0Round 9🇬🇵 GUADELOUPE83NT♦4=-1
+4.0Round 18🇪🇬 EGYPT264♥♣3-2+2
+3.8Round 15🇹🇼 CHINESE TAIPEI65♦♠A+1+14
+3.7Round 4🇧🇩 BANGLADESH235♦♥2-1+12
+3.7Round 7🇮🇩 INDONESIA166♥♦J=+0
+3.6Round 5🇮🇹 ITALY24NT♥7=+1
+3.6Round 9🇬🇵 GUADELOUPE22♠♣A-1+6
+3.6Round 14🇺🇸 USA1203NT♣J-1+6
+3.5Round 18🇪🇬 EGYPT244♠♥K-1-2
+3.0Round 14🇺🇸 USA1213NT♥4+2+0
+3.0Round 15🇹🇼 CHINESE TAIPEI124♠♥2+1+0
+2.9Round 1🇳🇿 NEW ZEALAND113♠♥A+1+2
+2.9Round 10🇮🇳 INDIA273♠♦3=+1
+2.9Round 15🇹🇼 CHINESE TAIPEI144♠♦A=+0
+2.9Round 19🇨🇳 CHINA94♥♦J+2+2
+2.8Round 12🇿🇦 SOUTH AFRICA315♥♥3=+4
+2.7Round 18🇪🇬 EGYPT173♥♣6=+1
+2.5Round 18🇪🇬 EGYPT322♦♦3=+5
+2.4Round 3🇸🇪 SWEDEN93NT♠8+2+1
+2.3Round 4🇧🇩 BANGLADESH275♣♠K+1-14
+2.1Round 3🇸🇪 SWEDEN33♦♣7+1+0
+2.1Round 3🇸🇪 SWEDEN54♠♥10+1+0
+2.1Round 20🇫🇷 FRANCE276♥♠6=+0
+2.0Round 7🇮🇩 INDONESIA82♥♠6+2+1
+2.0Round 12🇿🇦 SOUTH AFRICA261NT♠2-2+3
+2.0Round 15🇹🇼 CHINESE TAIPEI151NT♥8+2+1
+1.9Round 1🇳🇿 NEW ZEALAND32♥♣Q+1+1
+1.9Round 7🇮🇩 INDONESIA142NT♦10-2+0
+1.9Round 12🇿🇦 SOUTH AFRICA221NT♦2+2-7
+1.8Round 4🇧🇩 BANGLADESH292♥♦5+2-10
+1.8Round 12🇿🇦 SOUTH AFRICA241NT♦J+2+1
+1.8Round 12🇿🇦 SOUTH AFRICA254♣♠6-1+2
+1.8Round 14🇺🇸 USA1314♠x♠3-1+0
+1.7Round 12🇿🇦 SOUTH AFRICA274♠♦10-1+5
+1.7Round 19🇨🇳 CHINA24♠♣A=+8
+1.7Round 20🇫🇷 FRANCE263NT♥6+1+0
+1.6Round 9🇬🇵 GUADELOUPE124♥♠9=-1
+1.6Round 19🇨🇳 CHINA163♦♥3-1-1
+1.5Round 1🇳🇿 NEW ZEALAND14♠♣Q=+0
+1.4Round 7🇮🇩 INDONESIA41NT♥3+2+1
+1.3Round 1🇳🇿 NEW ZEALAND82♥♠7-1-1
+1.3Round 9🇬🇵 GUADELOUPE153NT♠7=+1
+1.2Round 1🇳🇿 NEW ZEALAND153NT♦Q=-2
+1.1Round 3🇸🇪 SWEDEN11NT♣4=+6
+1.1Round 4🇧🇩 BANGLADESH323NT♦6=+0
+1.1Round 16🇦🇺 AUSTRALIA282♦♣5-1+11
+1.0Round 5🇮🇹 ITALY124♠♥Q+1+1
+1.0Round 20🇫🇷 FRANCE183♥♣J=+0
+0.9Round 4🇧🇩 BANGLADESH173♠♣10-2+8
+0.9Round 9🇬🇵 GUADELOUPE73♥♠K-1+0
+0.9Round 19🇨🇳 CHINA114♥♦9+1+1
+0.9Round 20🇫🇷 FRANCE231♠♦K+2-10
+0.8Round 15🇹🇼 CHINESE TAIPEI84♠♦A+1+1
+0.8Round 18🇪🇬 EGYPT222NT♣4+2+6
+0.7Round 4🇧🇩 BANGLADESH242♦♣7+2+1
+0.7Round 12🇿🇦 SOUTH AFRICA304♠♥2+1-1
+0.7Round 16🇦🇺 AUSTRALIA216♠♥A+1+13
+0.7Round 19🇨🇳 CHINA42♠♥4+2+1
+0.6Round 16🇦🇺 AUSTRALIA263NT♣4+1+0
+0.6Round 18🇪🇬 EGYPT185♣♥3=-1
+0.6Round 18🇪🇬 EGYPT292♥♥3+1+0
+0.5Round 5🇮🇹 ITALY114♠♥10=+0
+0.5Round 7🇮🇩 INDONESIA31NT♠K+1+0
+0.5Round 9🇬🇵 GUADELOUPE162♠♣A+3-10
+0.4Round 3🇸🇪 SWEDEN161♠♥Q+1+0
+0.4Round 9🇬🇵 GUADELOUPE44♥♦K-1+12
+0.4Round 12🇿🇦 SOUTH AFRICA173♦♥5+1+0
+0.3Round 1🇳🇿 NEW ZEALAND144♠♥A+1+0
+0.3Round 12🇿🇦 SOUTH AFRICA204♥♦10=-1
+0.3Round 14🇺🇸 USA1194♠♦A+1+0
+0.3Round 14🇺🇸 USA1242♥♦5+1+0
+0.3Round 16🇦🇺 AUSTRALIA223♠♥K=+0
+0.2Round 1🇳🇿 NEW ZEALAND104♥♠6+1+0
+0.2Round 5🇮🇹 ITALY93NT♥5+1+11
+0.2Round 16🇦🇺 AUSTRALIA245♦♣K+1+11
+0.2Round 18🇪🇬 EGYPT303NT♠3+2+1
+0.1Round 3🇸🇪 SWEDEN23NT♦4+1+0
+0.1Round 3🇸🇪 SWEDEN74♥♣5=+1
+0.1Round 3🇸🇪 SWEDEN83♣♣10-2-7
+0.1Round 5🇮🇹 ITALY11NT♥7-1-2
+0.1Round 5🇮🇹 ITALY42♦♥3=+1
+0.1Round 9🇬🇵 GUADELOUPE33NT♠2+1+1
+0.1Round 20🇫🇷 FRANCE322♠♥A+1+0
-0.0Round 4🇧🇩 BANGLADESH204♠♣K=+0
+0.0Round 4🇧🇩 BANGLADESH264♥♦K=-3
-0.0Round 7🇮🇩 INDONESIA52♠♥Q+2-6
+0.0Round 7🇮🇩 INDONESIA114♥♠6+2+11
-0.0Round 9🇬🇵 GUADELOUPE117♥♠3=+0
+0.0Round 10🇮🇳 INDIA254♠♣3=+0
-0.0Round 14🇺🇸 USA1293♠♦J-1+1
+0.0Round 15🇹🇼 CHINESE TAIPEI44♠♥3+1+0
-0.0Round 15🇹🇼 CHINESE TAIPEI162♥♦4+2-10
-0.0Round 20🇫🇷 FRANCE282♠♦A-2+0
-0.1Round 4🇧🇩 BANGLADESH253NT♥2+1+0
-0.1Round 5🇮🇹 ITALY133♣♥3=-9
-0.2Round 9🇬🇵 GUADELOUPE64♥♣K=+1
-0.2Round 16🇦🇺 AUSTRALIA313NT♥4+1+0
-0.3Round 14🇺🇸 USA1222♥♠2=+9
-0.3Round 16🇦🇺 AUSTRALIA274♥♠10=-1
-0.4Round 3🇸🇪 SWEDEN136♠♥10=+0
-0.5Round 3🇸🇪 SWEDEN43NT♦3=-1
-0.5Round 4🇧🇩 BANGLADESH191NT♠J-1-5
-0.5Round 5🇮🇹 ITALY144♠♦10=+0
-0.5Round 16🇦🇺 AUSTRALIA324♠♥K+1+0
-0.5Round 18🇪🇬 EGYPT272♠♣10-1-8
-0.6Round 7🇮🇩 INDONESIA6Pass-3
-0.6Round 18🇪🇬 EGYPT204♥♦A+2+1
-0.6Round 19🇨🇳 CHINA143NT♥8+2-1
-0.7Round 9🇬🇵 GUADELOUPE95♣x♠2-1+0
-0.7Round 18🇪🇬 EGYPT192♠♦3+1+7
-0.8Round 14🇺🇸 USA1282♥♥A-2-3
-0.9Round 1🇳🇿 NEW ZEALAND52♦♥10-1+0
-0.9Round 3🇸🇪 SWEDEN113NT♥A-3-2
-0.9Round 5🇮🇹 ITALY84♠♥J=-3
-1.0Round 4🇧🇩 BANGLADESH311NT♦4=-11
-1.0Round 14🇺🇸 USA1233NT♣8+3+12
-1.0Round 14🇺🇸 USA1273NT♠8-2-6
-1.0Round 15🇹🇼 CHINESE TAIPEI73NT♥5+2+0
-1.1Round 3🇸🇪 SWEDEN62NT♦3+1+10
-1.1Round 5🇮🇹 ITALY61NT♠3-4+2
-1.1Round 15🇹🇼 CHINESE TAIPEI24♠♣Q+3-14
-1.1Round 19🇨🇳 CHINA83♠♥J=-1
-1.2Round 7🇮🇩 INDONESIA21NT♥J+1+1
-1.2Round 10🇮🇳 INDIA227♠♣2=+0
-1.2Round 20🇫🇷 FRANCE201NT♦7-1+0
-1.3Round 1🇳🇿 NEW ZEALAND72♥♠9+1-1
-1.3Round 10🇮🇳 INDIA312♣♣3-2-1
-1.3Round 16🇦🇺 AUSTRALIA173♥♣4-1-5
-1.4Round 1🇳🇿 NEW ZEALAND94♥♦8-1-5
-1.4Round 20🇫🇷 FRANCE193♣♦K=-5
-1.5Round 14🇺🇸 USA1321NT♣2=-5
-1.5Round 16🇦🇺 AUSTRALIA291NT♣5+1-1
-1.6Round 9🇬🇵 GUADELOUPE53NT♦A-2-5
-1.7Round 1🇳🇿 NEW ZEALAND162♥x♣2-1-6
-1.7Round 7🇮🇩 INDONESIA104♠♣Q=+0
-1.7Round 12🇿🇦 SOUTH AFRICA294♥♥8+1-1
-1.8Round 4🇧🇩 BANGLADESH282♥♣10+1-7
-1.8Round 5🇮🇹 ITALY102♣♥A=+1
-1.9Round 4🇧🇩 BANGLADESH222♥♦9-1-9
-1.9Round 7🇮🇩 INDONESIA13NT♠10+1+1
-2.0Round 1🇳🇿 NEW ZEALAND133♣♦K+3+10
-2.0Round 7🇮🇩 INDONESIA74♠♥Q-2-8
-2.1Round 10🇮🇳 INDIA261NT♦Q-2-2
-2.1Round 10🇮🇳 INDIA283♦♣2=-5
-2.1Round 15🇹🇼 CHINESE TAIPEI104♥♣3-1+1
-2.2Round 19🇨🇳 CHINA103♦♠7=+0
-2.4Round 15🇹🇼 CHINESE TAIPEI53NT♦Q+1+0
-2.4Round 16🇦🇺 AUSTRALIA303NT♣4=+0
-2.6Round 10🇮🇳 INDIA234♣♥Q-2-8
-2.6Round 10🇮🇳 INDIA293♦♥K=+0
-2.7Round 12🇿🇦 SOUTH AFRICA323♠♣K+2-2
-2.8Round 3🇸🇪 SWEDEN104♠♥3-1+9
-2.8Round 5🇮🇹 ITALY152♥♠3-1-4
-2.8Round 7🇮🇩 INDONESIA134♥♣A-1+1
-2.8Round 19🇨🇳 CHINA133♠♦10+1-1
-2.9Round 7🇮🇩 INDONESIA123♥♠6-1-4
-2.9Round 12🇿🇦 SOUTH AFRICA212♥♠K=+0
-3.0Round 3🇸🇪 SWEDEN122♠♠J-2-3
-3.0Round 4🇧🇩 BANGLADESH211NT♦4-1-1
-3.0Round 20🇫🇷 FRANCE211NT♦10-1+1
-3.2Round 15🇹🇼 CHINESE TAIPEI96♣♠7=+2
-3.2Round 15🇹🇼 CHINESE TAIPEI132NT♠3-1-5
-3.4Round 10🇮🇳 INDIA246♠♦3=+0
-3.5Round 20🇫🇷 FRANCE22Adj.+5
-3.5Round 20🇫🇷 FRANCE311♠x♣Q-2+7
-3.7Round 5🇮🇹 ITALY73♥♦8+1-2
-3.7Round 9🇬🇵 GUADELOUPE14♣♠10-2-8
-3.7Round 18🇪🇬 EGYPT213NT♥7=-3
-4.0Round 19🇨🇳 CHINA74♥♠2-1-12
-4.3Round 18🇪🇬 EGYPT234♠♦J+2-13
-4.7Round 19🇨🇳 CHINA125♦♥7-1-2
-4.7Round 20🇫🇷 FRANCE174♠♦6-1-10
-4.8Round 1🇳🇿 NEW ZEALAND24♠♣3=-7
-4.8Round 7🇮🇩 INDONESIA154♥x♣5-2-5
-4.8Round 10🇮🇳 INDIA305♦♠J=+0
-4.8Round 14🇺🇸 USA1254♥♥3+1-4
-5.1Round 5🇮🇹 ITALY161NTx♥9+1-4
-5.2Round 4🇧🇩 BANGLADESH306NT♥8=+10
-5.2Round 18🇪🇬 EGYPT313NT♥6-1-5
-5.3Round 16🇦🇺 AUSTRALIA254♠♠5=-7
-5.4Round 5🇮🇹 ITALY53NT♥8=+1
-5.4Round 10🇮🇳 INDIA204♥♣6+1+0
-5.6Round 16🇦🇺 AUSTRALIA183NT♣K=+1
-6.8Round 19🇨🇳 CHINA16♥♠3=+11
-6.9Round 15🇹🇼 CHINESE TAIPEI34♠♣9=-7
-6.9Round 16🇦🇺 AUSTRALIA203NT♠2-1-6
-7.4Round 20🇫🇷 FRANCE244♥♣K=-11
-8.4Round 12🇿🇦 SOUTH AFRICA184♠♠2-1-6
-8.4Round 14🇺🇸 USA1185♥x♠Q-3-12
-8.7Round 3🇸🇪 SWEDEN153NT♥7=-7
-9.0Round 10🇮🇳 INDIA186♥♠6-1-17
-9.4Round 19🇨🇳 CHINA57♠♥K=+0