🇳🇱 BOONSTRA Aafko · NETHERLANDS

46rank
+1.0Butler · 180 bds
+0.01per board
±4.5swing
-0.32vs par /bd · #53/81
-0.07adjusted /bd
Butler per round: -7.9 6.4 20.6 4.9 14.7 -19.6 38.1 22.2 -11.4 38.9 -18.6 -11.1 -30.1 9.5 -5.3 -5.3 -23.2 -21.8by round

vs par split: bidding -0.34 · play +0.02

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.07/bd

Card play — on target: opening leads 76.6% #72 of 81 · declarer play 72.9% #47 of 81 · defence 80.7% #60 of 81

Bidding activity — not a pass: 48.4% #7 of 81 (244/504)

Card play by contract type — on target
vs NTvs a suit
Opening leads70.6% (17)80.0% (30)
Declarer play71.4% (14)73.5% (34)
Defence68.0% (25)86.2% (58)

Opening leads by suit led: ♠ 66.7% (9) · ♥ 68.2% (22) · ♦ 88.9% (9) · ♣ 100.0% (7)

vs par by strain: NT +0.22 (54) · a suit -0.56 (126)

vs par by level: part-score -0.79 (66) · game +0.03 (94) · slam -0.45 (20)

By role: declaring +0.10/bd (-2.68 vs par · 97) · defending -0.10/bd (+2.43 vs par · 83)

By vulnerability: vulnerable -0.32/bd (-0.53 vs par · 95) · not vulnerable +0.37/bd (-0.09 vs par · 85)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.Van NoortN.Tabata – M.FragolaClosed10-7.9-0.79-2.00
Round 2B.Van NoortH.Kuscu – T.SariClosed10+6.4+0.64+0.10
Round 4B.Van NoortA.Vassallo Castells – O.GardenghiClosed10+20.6+2.06-0.10
Round 5B.Van NoortE.Vilunas – R.BaronsClosed10+4.9+0.49+0.30
Round 6B.Van NoortR.Maide – J.KaasikClosed10+14.7+1.47+2.20
Round 9B.Van NoortG.Giubilo – F.ChiarandiniClosed10-19.6-1.96-0.90
Round 10B.Van NoortM.Andricic – L.GrebenarClosed10+38.1+3.81+2.60
Round 13B.Van NoortJ.Shearer – N.TennantClosed10+22.2+2.22+3.20
Round 15B.Van NoortL.Sanderson – D.WinterClosed10-11.4-1.14-3.20
Round 16B.Van NoortS.Kodek – R.StadlerClosed10+38.9+3.89+3.40
Round 17B.Van NoortM.Ferenca – V.LeskovarClosed10-18.6-1.86-6.30
Round 19B.Van NoortE.Vilunas – R.BaronsClosed10-11.1-1.11-0.90
Round 21B.Van NoortK.Panchagnula – J.ClarkOpen10-30.1-3.01-1.50
Round 22B.Van NoortJ.Marki-Zay – Y.ZuoOpen10+9.5+0.95-1.10
Round 24B.Van NoortC.Ozgez – M.KalayciOpen10-5.3-0.53-0.70
Round 26B.Van NoortO.Gardenghi – I.De Lorenzo RiestraClosed10-5.3-0.53-0.70
Round 27B.Van NoortS.Bugge Gylling Olsen – J.SigsgaardClosed10-23.2-2.32+0.00
Round 28B.Van NoortN.Yaninski – V.YotovOpen10-21.8-2.18-0.20

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
+13.6Round 22🇩🇪 GERMANY75♠xx♥K+1+13
+13.2Round 10🇭🇷 CROATIA56♠x♥8-1+13
+10.2Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND56♥♠J-1+12
+9.8Round 10🇭🇷 CROATIA24♠x♥K=+10
+9.1Round 16🇦🇹 AUSTRIA76♦♠8+1+13
+9.0Round 4🇪🇸 SPAIN14♥♣5-1+10
+8.2Round 16🇦🇹 AUSTRIA33NT♥7-2+11
+8.2Round 16🇦🇹 AUSTRIA83NT♠6=+7
+7.9Round 4🇪🇸 SPAIN34♥♦A=+10
+7.4Round 24🇹🇷 TURKIYE293NT♥2-1+6
+7.1Round 10🇭🇷 CROATIA103NTx♠2-1+8
+6.9Round 27🇩🇰 DENMARK306♣♥8-2+11
+6.8Round 10🇭🇷 CROATIA94♥♦K-1+6
+6.2Round 16🇦🇹 AUSTRIA23♣♥K-1+6
+6.0Round 22🇩🇪 GERMANY16♦♥Q=-2
+5.9Round 6🇪🇪 ESTONIA296♥♠K=+0
+5.9Round 22🇩🇪 GERMANY24♥x♥A-1+7
+5.8Round 19🇱🇻 LATVIA83NT♥3=+6
+5.5Round 16🇦🇹 AUSTRIA53NT♣3+1+1
+5.3Round 1🇫🇷 FRANCE24♥♠T-1+5
+5.2Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND295♥♦3+1+17
+5.1Round 5🇱🇻 LATVIA183NT♥8+2-12
+5.1Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND26♠♦8=+0
+5.1Round 26🇪🇸 SPAIN124♥♦3+2+2
+4.9Round 2🇹🇷 TURKIYE134♥♠K=+0
+4.9Round 19🇱🇻 LATVIA34♥♠T+2+13
+4.8Round 2🇹🇷 TURKIYE202♠♣T=+12
+4.8Round 26🇪🇸 SPAIN184♣♦A-1+5
+4.7Round 24🇹🇷 TURKIYE274♠♣5-1+5
+4.5Round 9🇮🇹 ITALY233NT♦6-1+12
+4.4Round 16🇦🇹 AUSTRIA43NT♠6+3+1
+3.9Round 9🇮🇹 ITALY264♠♦7=+0
+3.9Round 26🇪🇸 SPAIN201NT♣J+1+0
+3.8Round 24🇹🇷 TURKIYE243NT♣6-2+5
+3.5Round 6🇪🇪 ESTONIA243♠♥K-1+4
+3.4Round 5🇱🇻 LATVIA114♥♦Q=+11
+2.9Round 2🇹🇷 TURKIYE156♠♥6=+0
+2.9Round 6🇪🇪 ESTONIA211NT♥6=+6
+2.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243NT♥A=-1
+2.9Round 26🇪🇸 SPAIN173NT♦7+1+1
+2.8Round 6🇪🇪 ESTONIA262NT♦K-2+3
+2.8Round 16🇦🇹 AUSTRIA103♠♦7+2+8
+2.5Round 6🇪🇪 ESTONIA285♥♣K=+1
+2.5Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND277NT♦J=+0
+2.2Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♠♦A=+0
+2.1Round 2🇹🇷 TURKIYE163NT♣8+1-1
+2.1Round 5🇱🇻 LATVIA194♥♣K=-1
+2.1Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND41NT♣3+1+6
+2.0Round 1🇫🇷 FRANCE14♠♦J=+0
+2.0Round 5🇱🇻 LATVIA124♥♣Q-1-2
+2.0Round 10🇭🇷 CROATIA84♥♠T-4+3
+2.0Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND33♣♠5=+0
+2.0Round 28🇧🇬 BULGARIA73NT♥2=+2
+1.9Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND84♣♥2-1+4
+1.8Round 4🇪🇸 SPAIN44♥♣A+1+1
+1.8Round 17🇭🇷 CROATIA132♠♥A-1+0
+1.8Round 28🇧🇬 BULGARIA94♠♦K-1+5
+1.7Round 4🇪🇸 SPAIN104♥♦7=-1
+1.7Round 22🇩🇪 GERMANY95♦♠A=-11
+1.6Round 4🇪🇸 SPAIN94♥♦T=+0
+1.5Round 6🇪🇪 ESTONIA232♠♣3+2-10
+1.4Round 17🇭🇷 CROATIA161NT♥2-2-5
+1.4Round 24🇹🇷 TURKIYE234♥♠A+1+4
+1.3Round 5🇱🇻 LATVIA142♠♦T+1+7
+1.3Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND301NT♣7+1+0
+1.1Round 17🇭🇷 CROATIA173♦♣J+2-6
+1.0Round 5🇱🇻 LATVIA203♥♦A+1-1
+0.9Round 4🇪🇸 SPAIN66NT♠6+1-13
+0.9Round 22🇩🇪 GERMANY53♣♥K+1+0
+0.9Round 28🇧🇬 BULGARIA23♠♥A=-7
+0.8Round 5🇱🇻 LATVIA171NT♥Q+1+0
+0.8Round 10🇭🇷 CROATIA64♠♥2=+11
+0.7Round 2🇹🇷 TURKIYE183♥♠5-1-2
+0.7Round 19🇱🇻 LATVIA95♥♣J=-11
+0.6Round 9🇮🇹 ITALY223♣♥6-3+0
+0.5Round 4🇪🇸 SPAIN83NT♥8+1+1
+0.5Round 16🇦🇹 AUSTRIA12NT♥K+2-6
+0.5Round 19🇱🇻 LATVIA102♦♥K-1+1
+0.5Round 26🇪🇸 SPAIN163NT♣6=+0
+0.4Round 2🇹🇷 TURKIYE142♠♥K-1+2
+0.4Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND254♥♦5+2-1
+0.4Round 22🇩🇪 GERMANY103NT♠9=-1
+0.2Round 1🇫🇷 FRANCE104♠♣A=-1
+0.2Round 6🇪🇪 ESTONIA272♦x♠Q-2+3
+0.2Round 17🇭🇷 CROATIA183NT♥K+1-10
+0.1Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♠♦3-1+7
-0.0Round 10🇭🇷 CROATIA46♦♥K+1-12
-0.0Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND106♠♦2=+0
-0.0Round 26🇪🇸 SPAIN193NT♣K-1+4
-0.1Round 10🇭🇷 CROATIA71NTx♦J-1-9
-0.1Round 27🇩🇰 DENMARK282♠♥6+3-9
-0.2Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND94♠♥J+2-13
-0.3Round 1🇫🇷 FRANCE73NT♦6+1+12
-0.3Round 10🇭🇷 CROATIA13NT♥3=-1
-0.4Round 4🇪🇸 SPAIN22♠♦3=+0
-0.4Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND66NT♥3+1+11
-0.4Round 27🇩🇰 DENMARK234♠♦A+1+0
-0.5Round 1🇫🇷 FRANCE44♥♣J-1-9
-0.5Round 6🇪🇪 ESTONIA254♠♥A+2+11
-0.5Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND211♠♠5=-1
-0.5Round 24🇹🇷 TURKIYE223NT♥6+2-1
-0.5Round 28🇧🇬 BULGARIA83♠♣5+2-6
-0.6Round 1🇫🇷 FRANCE92♠♣A=+0
-0.6Round 6🇪🇪 ESTONIA222♠♣3=-1
-0.6Round 22🇩🇪 GERMANY83NT♠3+1+0
-0.6Round 26🇪🇸 SPAIN112♥♣A-2+0
-0.7Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND74♥♠3+2+12
-0.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262♥♠Q+1-10
-0.8Round 2🇹🇷 TURKIYE122♠♦J+2-1
-0.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262♦♠Q+3+8
-0.8Round 27🇩🇰 DENMARK273NT♠T-2-6
-0.8Round 28🇧🇬 BULGARIA103♣♦Q=+10
-0.9Round 4🇪🇸 SPAIN54♦♥Q-1-10
-0.9Round 9🇮🇹 ITALY253♥♦9=-7
-1.0Round 9🇮🇹 ITALY282NT♥3+2+6
-1.0Round 19🇱🇻 LATVIA23♠♣A-1+8
-1.0Round 27🇩🇰 DENMARK212♠♣5+3+6
-1.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273♦♥A+1-7
-1.1Round 19🇱🇻 LATVIA41NT♣2+3+10
-1.2Round 2🇹🇷 TURKIYE112♠♣9-1-2
-1.2Round 9🇮🇹 ITALY293♣♥2=-6
-1.2Round 10🇭🇷 CROATIA31NT♣7-1-3
-1.2Round 17🇭🇷 CROATIA143NT♥3+1+1
-1.3Round 26🇪🇸 SPAIN153NT♠8+2+0
-1.3Round 27🇩🇰 DENMARK293NT♠7+2+16
-1.5Round 4🇪🇸 SPAIN72NT♥2=+1
-1.5Round 19🇱🇻 LATVIA74♥♠5+1-17
-1.6Round 1🇫🇷 FRANCE31NT♥A-1-5
-1.6Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND294♥♠3=+0
-1.8Round 16🇦🇹 AUSTRIA94♥♠2+1-1
-1.8Round 24🇹🇷 TURKIYE282♥♦6+2-1
-1.9Round 2🇹🇷 TURKIYE175♣♥2=+0
-1.9Round 17🇭🇷 CROATIA123♥♠4-1-5
-2.3Round 24🇹🇷 TURKIYE254♥♣2+2-14
-2.6Round 27🇩🇰 DENMARK252♦♠3-1+3
-2.7Round 17🇭🇷 CROATIA114♠x♦A-1-8
-2.7Round 28🇧🇬 BULGARIA53NT♣2+3+17
-2.8Round 17🇭🇷 CROATIA155♦♥T=-11
-2.8Round 28🇧🇬 BULGARIA33♣♥2+2+0
-3.2Round 1🇫🇷 FRANCE63NT♥2-4-11
-3.3Round 5🇱🇻 LATVIA164♠♣Q=+0
-3.5Round 6🇪🇪 ESTONIA306♥x♦K-4+5
-3.5Round 9🇮🇹 ITALY274♦♥J=-1
-3.5Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND305♣♠Q=+0
-3.5Round 28🇧🇬 BULGARIA12♠♥5+1-1
-3.7Round 5🇱🇻 LATVIA153♠♦A=+0
-3.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253♣♦2=-5
-3.8Round 5🇱🇻 LATVIA133♣♥T=+1
-3.8Round 19🇱🇻 LATVIA16♠♥8=+0
-3.8Round 22🇩🇪 GERMANY44♠♣Q-3-5
-4.2Round 16🇦🇹 AUSTRIA63NT♠2-1-6
-4.5Round 1🇫🇷 FRANCE52♠♣Q-1-5
-4.5Round 22🇩🇪 GERMANY64♠♥7+1-1
-4.6Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND222♠♦6+2-10
-4.7Round 1🇫🇷 FRANCE83♦♥A+1-6
-4.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233NT♥6-1-12
-4.8Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND234♠♦A-1-12
-5.3Round 19🇱🇻 LATVIA63♦♠Q+2-7
-5.3Round 27🇩🇰 DENMARK244♥♥8-2+0
-5.4Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♠♥T=-3
-5.5Round 2🇹🇷 TURKIYE193♥♠4+1-7
-5.5Round 17🇭🇷 CROATIA196♥♣5-1-12
-5.6Round 24🇹🇷 TURKIYE264♠♦6-1-6
-5.7Round 24🇹🇷 TURKIYE303NT♣4-1-5
-5.8Round 9🇮🇹 ITALY304♠♥J=+0
-6.2Round 28🇧🇬 BULGARIA45♦♠T-1-12
-6.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND215♣♥8-4-7
-6.7Round 24🇹🇷 TURKIYE213NT♠K=+0
-6.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243NT♣3-2-5
-7.4Round 9🇮🇹 ITALY214♥♥3-1-6
-8.0Round 27🇩🇰 DENMARK224♠♦7-2-11
-8.1Round 26🇪🇸 SPAIN144♠x♥6+1-7
-8.8Round 9🇮🇹 ITALY243NT♥A=-7
-9.0Round 17🇭🇷 CROATIA206♣♠A=-7
-9.0Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND226♣x♣2-3-5
-10.0Round 28🇧🇬 BULGARIA62♠♦Q-4-10
-10.1Round 22🇩🇪 GERMANY36♠♥3=-11
-10.3Round 19🇱🇻 LATVIA53NT♦Q-1-12
-10.6Round 27🇩🇰 DENMARK263NT♠7=-10
-12.5Round 26🇪🇸 SPAIN136♠♠7-1-12