🇵🇱 WITKOWSKI Lukasz · POLAND

6rank
+155.4Butler · 160 bds
+0.97per board
±5.3swing
+0.75vs par /bd · #14/88
+0.94adjusted /bd
Butler per round: 1.2 72.3 11 5.9 17.7 33.4 5.4 -11.8 17 3.3by round

vs par split: bidding +0.58 · play +0.23

Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted +0.94/bd

Card play — on target: opening leads 79.5% #31 of 88 · declarer play 76.7% #24 of 88 · defence 80.0% #57 of 88

Card play by contract type — on target
vs NTvs a suit
Opening leads77.8% (9)80.0% (35)
Declarer play60.0% (5)80.0% (25)
Defence76.5% (17)81.0% (63)

Opening leads by suit led: ♠ 86.7% (15) · ♥ 77.8% (9) · ♦ 83.3% (6) · ♣ 71.4% (14)

vs par by strain: NT +0.13 (38) · a suit +0.93 (118)

vs par by level: part-score -0.46 (55) · game +0.87 (84) · slam +3.94 (17)

By role: declaring +1.71/bd (-0.61 vs par · 77) · defending +0.25/bd (+1.99 vs par · 82)

By vulnerability: vulnerable +1.50/bd (+0.76 vs par · 80) · not vulnerable +0.44/bd (+0.74 vs par · 80)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3W.KazmierczakC.Bakke – H.BrandsnesClosed16+1.2+0.07-2.62
Round 4W.KazmierczakF.Illingworth – C.HuberClosed16+72.3+4.52+3.25
Round 6W.KazmierczakG.Donati – G.PercarioClosed16+11.0+0.69+2.88
Round 7W.KazmierczakG.Dreimanis – J.IlzinsClosed16+5.9+0.37+1.50
Round 8W.KazmierczakY.Goma – T.KikuchiClosed16+17.7+1.11-0.88
Round 10W.KazmierczakB.Snowden – B.KristensenClosed16+33.4+2.09+1.31
Round 13W.KazmierczakS.Ekenberg – S.HultClosed16+5.4+0.34-0.88
Round 14W.KazmierczakA.Asulin – H.LeviClosed16-11.8-0.74+1.38
Round 15W.KazmierczakY.Yin – C.ShenClosed16+17.0+1.06+2.88
Round 16W.KazmierczakR.Cooper – D.BraunClosed16+3.3+0.21-1.31

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
+15.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND57♦x♥2-2+18
+13.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND37♥♥3=+0
+13.2Round 16🇦🇺 AUSTRALIA67♣♥3-1+16
+12.7Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43Nx♠9-3+14
+12.7Round 15🇨🇳 CHINA85♣x♥7-5+13
+12.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133NTx♥5+3+12
+12.0Round 15🇨🇳 CHINA106♥♥A-1+13
+11.1Round 7🇱🇻 LATVIA135♠x♣6-3+12
+11.1Round 10🇺🇸 USA2145♥x♣3-2+13
+10.1Round 10🇺🇸 USA245♣♥8=+0
+9.9Round 10🇺🇸 USA226♠♦K-1+13
+9.9Round 14🇮🇱 ISRAEL134♥♦7=+10
+9.8Round 13🇸🇪 SWEDEN74♠♦6=+0
+9.7Round 8🇯🇵 JAPAN26♥♠A-2+9
+9.7Round 15🇨🇳 CHINA74♠x♠J-2+12
+9.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♠♠6-1+12
+9.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND16♦♠8=+10
+9.1Round 6🇮🇹 ITALY123♥x♣A-3+8
+9.1Round 13🇸🇪 SWEDEN96♥♠5=+0
+7.6Round 3🇳🇴 NORWAY73♥♣J-2+8
+7.5Round 7🇱🇻 LATVIA24♥♦T=+8
+7.3Round 8🇯🇵 JAPAN154♠♣J-1+12
+7.2Round 8🇯🇵 JAPAN34♥♦10=+10
+7.1Round 3🇳🇴 NORWAY126♦♣A=+0
+7.0Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND96♥♠K-3+11
+6.7Round 8🇯🇵 JAPAN63NT♠5=+0
+6.7Round 8🇯🇵 JAPAN133NT♦3+2+1
+6.3Round 10🇺🇸 USA274♥♠6-1+12
+6.2Round 10🇺🇸 USA283NT♥5+1+7
+5.8Round 15🇨🇳 CHINA126NT♣9=+0
+5.7Round 13🇸🇪 SWEDEN163NT♠K=-1
+5.7Round 16🇦🇺 AUSTRALIA73NT♥3+1+0
+5.1Round 13🇸🇪 SWEDEN24♠♠3+1+1
+4.9Round 6🇮🇹 ITALY145♥♣3-1+11
+4.9Round 7🇱🇻 LATVIA83NT♦T+1+0
+4.8Round 10🇺🇸 USA254♠♥A-1+6
+4.7Round 3🇳🇴 NORWAY166♦♣5+1-2
+4.6Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♣4+1+0
+4.5Round 14🇮🇱 ISRAEL103NT♠6+2-12
+4.4Round 3🇳🇴 NORWAY54♠♠J+1+1
+4.3Round 3🇳🇴 NORWAY62♥♠A=+0
+4.1Round 3🇳🇴 NORWAY133N♥A=-13
+4.0Round 6🇮🇹 ITALY155♣♠K+1-2
+4.0Round 7🇱🇻 LATVIA103NT♥A+2+0
+3.8Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND102♦♠K=+5
+3.4Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♠6+2+2
+3.4Round 10🇺🇸 USA2125♣x♥4-1+0
+3.2Round 6🇮🇹 ITALY10Pass+4
+3.1Round 3🇳🇴 NORWAY114♥♠J-1+2
+3.0Round 15🇨🇳 CHINA134♠♦9-1+6
+2.9Round 6🇮🇹 ITALY24♦♠4-1+6
+2.4Round 7🇱🇻 LATVIA63NT♠6=+7
+2.3Round 10🇺🇸 USA232♥♦Q+2+6
+2.2Round 8🇯🇵 JAPAN163NT♠2+3+1
+2.1Round 8🇯🇵 JAPAN123♦♠Q=+5
+1.9Round 13🇸🇪 SWEDEN102♠♥3-1+0
+1.9Round 16🇦🇺 AUSTRALIA84♥♥3+1+1
+1.7Round 6🇮🇹 ITALY92♠♦9-2+0
+1.7Round 16🇦🇺 AUSTRALIA123NT♥3=+0
+1.5Round 7🇱🇻 LATVIA51NT♠6-2+0
+1.4Round 7🇱🇻 LATVIA36NT♣5+1+13
+1.4Round 15🇨🇳 CHINA114♥x♠J-1+8
+1.2Round 16🇦🇺 AUSTRALIA114♥♠6=-11
+1.0Round 8🇯🇵 JAPAN53♥♦5=+0
+0.9Round 7🇱🇻 LATVIA113NT♣7+2+0
+0.9Round 10🇺🇸 USA294♥♠2+1+0
+0.9Round 14🇮🇱 ISRAEL155♥♦5=+13
+0.9Round 16🇦🇺 AUSTRALIA133♥♥3-3+8
+0.7Round 13🇸🇪 SWEDEN154♥♠A+1+0
+0.6Round 3🇳🇴 NORWAY141N♠2=+0
+0.5Round 15🇨🇳 CHINA151NT♣2=+0
+0.5Round 16🇦🇺 AUSTRALIA43NT♥3+1-1
+0.3Round 16🇦🇺 AUSTRALIA34♥♥3-1-2
+0.2Round 16🇦🇺 AUSTRALIA143NT♥3-1-14
+0.1Round 6🇮🇹 ITALY41NT♦7-1+0
+0.1Round 7🇱🇻 LATVIA42♣♦A-2+2
+0.1Round 14🇮🇱 ISRAEL34♠♥K-1+4
-0.0Round 6🇮🇹 ITALY35♥♠4=+0
-0.0Round 10🇺🇸 USA2163♣♠A-2-1
-0.1Round 6🇮🇹 ITALY162♠♥A-1-2
-0.1Round 14🇮🇱 ISRAEL51NT♠3+1+1
-0.1Round 15🇨🇳 CHINA161NT♥3+1+6
-0.1Round 16🇦🇺 AUSTRALIA162NT♥3=+1
-0.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♠♣J=-1
-0.2Round 7🇱🇻 LATVIA152♥♣6=+7
-0.3Round 13🇸🇪 SWEDEN33NT♠6+1+0
-0.3Round 16🇦🇺 AUSTRALIA25♦x♥3-2+5
-0.4Round 6🇮🇹 ITALY81NT♠6-1+4
-0.4Round 7🇱🇻 LATVIA12♦♠2-1+2
-0.4Round 7🇱🇻 LATVIA143♦♣K+2-6
-0.4Round 13🇸🇪 SWEDEN43♥♠K=-7
-0.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND81♠♦K+1-7
-0.5Round 6🇮🇹 ITALY64♥♣8+1+11
-0.5Round 14🇮🇱 ISRAEL62♥♣A=+6
-0.6Round 6🇮🇹 ITALY132♠♥J+2-1
-0.6Round 8🇯🇵 JAPAN73NT♦6+1+0
-0.6Round 13🇸🇪 SWEDEN54♠♥3+2-1
-0.7Round 3🇳🇴 NORWAY84♠♦5-2+0
-0.7Round 8🇯🇵 JAPAN44♥♣J-1-6
-0.7Round 10🇺🇸 USA2154♠♣9+1+0
-0.8Round 14🇮🇱 ISRAEL13NT♣5+2+0
-0.9Round 16🇦🇺 AUSTRALIA153NT♥3+1+0
-1.0Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♦♠8+1+0
-1.1Round 15🇨🇳 CHINA63♦♠9=+0
-1.3Round 13🇸🇪 SWEDEN113NT♥3=+0
-1.3Round 13🇸🇪 SWEDEN133♣♣4-1+0
-1.3Round 14🇮🇱 ISRAEL114♥♦8=-3
-1.4Round 3🇳🇴 NORWAY153♠♥6-3+0
-1.5Round 3🇳🇴 NORWAY13NT♣K=+0
-1.5Round 6🇮🇹 ITALY112NT♣J=+1
-1.6Round 6🇮🇹 ITALY73♣♥9+2+10
-1.6Round 10🇺🇸 USA2133♠♥10=+0
-1.6Round 13🇸🇪 SWEDEN142♥♣7-2+0
-1.9Round 14🇮🇱 ISRAEL95♦♥A+1+9
-2.0Round 3🇳🇴 NORWAY102♥♦7-1-5
-2.1Round 8🇯🇵 JAPAN116♥♠9+1-11
-2.1Round 13🇸🇪 SWEDEN14♠♦A=-3
-2.1Round 14🇮🇱 ISRAEL21NT♣7+1+0
-2.2Round 16🇦🇺 AUSTRALIA93NT♥3-1-12
-2.3Round 14🇮🇱 ISRAEL44♥♠7+1+13
-2.3Round 15🇨🇳 CHINA94♠♥4+1+0
-2.5Round 15🇨🇳 CHINA144♠x♣4-2+4
-2.6Round 14🇮🇱 ISRAEL122♠♠4-2+0
-2.7Round 8🇯🇵 JAPAN84♥♦5=+1
-2.8Round 14🇮🇱 ISRAEL82NT♠Q=+0
-2.9Round 6🇮🇹 ITALY12♦x♦6+2+1
-3.0Round 13🇸🇪 SWEDEN121NT♠Q-1+0
-3.0Round 15🇨🇳 CHINA44♠x♠6=-4
-3.2Round 15🇨🇳 CHINA14♥♠Q=-3
-3.3Round 8🇯🇵 JAPAN12♠♥K=-13
-3.3Round 8🇯🇵 JAPAN143♦♣6=-5
-3.7Round 7🇱🇻 LATVIA164♦♠8=-1
-3.7Round 10🇺🇸 USA262♥♣Q-1-11
-3.7Round 13🇸🇪 SWEDEN83NT♣3=-3
-3.7Round 14🇮🇱 ISRAEL162♠♠2=-5
-3.7Round 16🇦🇺 AUSTRALIA53NT♥3+1+0
-3.9Round 14🇮🇱 ISRAEL144♣♦K-1-10
-4.1Round 3🇳🇴 NORWAY43♥♠3=+0
-4.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND146♥♥A-1-11
-4.1Round 8🇯🇵 JAPAN103♠♥10-2-7
-4.2Round 10🇺🇸 USA2112♠♣A=-11
-4.3Round 7🇱🇻 LATVIA74♥♣Q=-10
-4.5Round 15🇨🇳 CHINA54♠♦T-2-7
-4.7Round 10🇺🇸 USA2103NT♠A-1-6
-5.0Round 15🇨🇳 CHINA22♥♣A-1+1
-5.1Round 16🇦🇺 AUSTRALIA104♥♥3=+1
-5.2Round 14🇮🇱 ISRAEL72♥♦4-3-4
-5.5Round 3🇳🇴 NORWAY94♠♣6+1-11
-5.6Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND166♦x♣Q-3-12
-6.4Round 15🇨🇳 CHINA34♥♠A=-3
-6.7Round 10🇺🇸 USA214♠x♥A=-7
-7.3Round 6🇮🇹 ITALY52♣x♣A-2-5
-7.6Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND115♦♥A+1-1
-8.1Round 3🇳🇴 NORWAY24♥♦3-1-10
-8.4Round 8🇯🇵 JAPAN94♠♥A=-11
-8.5Round 7🇱🇻 LATVIA94♠♥Q+1-1
-10.0Round 16🇦🇺 AUSTRALIA15♥x♥3=-13
-10.4Round 7🇱🇻 LATVIA125♥x♦T-2-9
-11.4Round 3🇳🇴 NORWAY31♠x♥7-3-12
-12.6Round 13🇸🇪 SWEDEN67♠♦K=+0