🇩🇪 KOZYCZKOWSKI Jerzy · GERMANY

92rank
-32.1Butler · 140 bds
-0.23per board
±4.3swing
-0.21vs par /bd · #80/135
-0.33adjusted /bd
Butler per round: -8.5 5.4 -33.3 0.2 5.8 7.4 10.1 16.6 10.9 -36.3 -16.9 3.1 22.7 -19.3by round

vs par split: bidding +0.07 · play -0.47

Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted -0.33/bd

Card play — on target: opening leads 91.3% #7 of 135 · declarer play 57.1% #131 of 135 · defence 84.0% #118 of 135

Card play by contract type — on target
vs NTvs a suit
Opening leads·91.3% (23)
Declarer play·57.1% (21)
Defence·84.0% (50)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 100.0% (3) · ♦ 87.5% (8) · ♣ 83.3% (6)

vs par by strain: a suit -0.40 (95)

vs par by level: part-score -0.38 (45) · game -0.18 (44) · slam -2.17 (6)

By role: declaring -0.20/bd (-3.00 vs par · 69) · defending -0.25/bd (+2.51 vs par · 71)

By vulnerability: vulnerable -0.59/bd (-0.57 vs par · 68) · not vulnerable +0.11/bd (+0.14 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.LesniczakL.Breaban – E.CheluOpen10-8.5-0.85-1.70
Round 2J.LesniczakD.Mossop – G.HallbergClosed10+5.4+0.54+2.30
Round 4J.LesniczakF.Zold – G.KuttnerOpen10-33.3-3.33-1.10
Round 7J.LesniczakG.Fierz – P.SchurterOpen10+0.2+0.02-4.50
Round 8J.LesniczakD.Schaltz – P.SchaltzClosed10+5.8+0.58+0.30
Round 9J.LesniczakC.Goncalves – E.PintoOpen10+7.4+0.74+2.80
Round 10J.LesniczakG.Keaveney – E.GlynnClosed10+10.1+1.01+0.00
Round 13J.LesniczakA.Kalish – N.GrinbergOpen10+16.6+1.66+2.80
Round 14J.LesniczakG.Ozolina – M.PurgailisOpen10+10.9+1.09+3.30
Round 15J.LesniczakM.Rozenblyum – V.RapoportClosed10-36.3-3.63-3.40
Round 16J.LesniczakA.Goodman – B.ShortOpen10-16.9-1.69-3.60
Round 21J.LesniczakM.Ince – O.EkinciClosed10+3.1+0.31+1.30
Round 22J.LesniczakD.De Partearroyo – A.GolmarOpen10+22.7+2.27+0.90
Round 23J.LesniczakK.Simeonov – Z.NedeltchevOpen10-19.3-1.93-2.30

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
+14.5Round 14🇱🇻 LATVIA154♠x♥4-4+14
+14.1Round 22🇪🇸 SPAIN104♠♥6-3+17
+11.5Round 13🇮🇱 ISRAEL64N♥7+2+17
+10.5Round 10🇮🇪 IRELAND104♠♥Q-1+12
+8.6Round 13🇮🇱 ISRAEL84♥x♦6=+10
+7.8Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153N♥9-3+9
+7.0Round 4🇭🇺 HUNGARY33♠♥K+2+15
+7.0Round 21🇹🇷 TURKEY286♦x♠A-2+5
+6.8Round 13🇮🇱 ISRAEL101N♠7+3+10
+6.7Round 8🇩🇰 DENMARK204♠x♣9-2+7
+6.5Round 10🇮🇪 IRELAND43♥♣10=+12
+6.3Round 10🇮🇪 IRELAND13N♠3+2+2
+6.1Round 21🇹🇷 TURKEY214♠♥9-1+12
+6.0Round 9🇵🇹 PORTUGAL274♠♥4+1+4
+5.8Round 7🇨🇭 SWITZERLAND34♠♣5=-1
+5.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173N♥A+1+7
+5.0Round 13🇮🇱 ISRAEL31N♠K-2+7
+4.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203N♥K-2+8
+4.3Round 21🇹🇷 TURKEY246N♠10=+0
+3.9Round 7🇨🇭 SWITZERLAND103N♥8+1+1
+3.8Round 14🇱🇻 LATVIA122♥♣K=+5
+3.7Round 22🇪🇸 SPAIN45♦♥A=+0
+3.3Round 1🇷🇴 ROMANIA12♠♠6+2-6
+3.1Round 10🇮🇪 IRELAND93♣♠4+2+4
+3.1Round 23🇧🇬 BULGARIA193N♦6=+3
+3.0Round 9🇵🇹 PORTUGAL293N♥3=+0
+2.7Round 9🇵🇹 PORTUGAL224♠♣K+1+8
+2.6Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND23N♣4+2+1
+2.5Round 22🇪🇸 SPAIN11♣x♥2-3+2
+2.4Round 15🇷🇺 RUSSIA304♠♣2-2+6
+2.4Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND102N♦2=+11
+2.4Round 22🇪🇸 SPAIN63♠♦7-1+10
+2.3Round 8🇩🇰 DENMARK162♥♥3+2+6
+2.2Round 14🇱🇻 LATVIA173♥♠3-1+4
+2.2Round 22🇪🇸 SPAIN26♥♣K=+0
+2.1Round 9🇵🇹 PORTUGAL251N♠7+2+2
+1.8Round 4🇭🇺 HUNGARY82♠♦J-1+3
+1.7Round 7🇨🇭 SWITZERLAND72♠♣4+1+0
+1.4Round 14🇱🇻 LATVIA184♥♣4=+0
+1.3Round 1🇷🇴 ROMANIA52N♠Q=+7
+1.3Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND141N♥J=-1
+1.3Round 8🇩🇰 DENMARK153N♠5+3+1
+1.1Round 8🇩🇰 DENMARK121N♣3+2-6
+1.1Round 13🇮🇱 ISRAEL43♥♦4=+8
+1.0Round 4🇭🇺 HUNGARY13N♥10+3+1
+1.0Round 9🇵🇹 PORTUGAL244♠♦A-1-5
+0.9Round 1🇷🇴 ROMANIA92♦♣2+2+0
+0.9Round 22🇪🇸 SPAIN53N♠10=+1
+0.7Round 9🇵🇹 PORTUGAL234♠♣K+1+17
+0.5Round 1🇷🇴 ROMANIA33N♦J-1-5
+0.5Round 1🇷🇴 ROMANIA44♥♦K=+0
+0.5Round 7🇨🇭 SWITZERLAND53♥♠6-1-10
+0.5Round 8🇩🇰 DENMARK114♠♦2=+0
+0.4Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND64♥♣9=+0
+0.3Round 8🇩🇰 DENMARK143N♥10+2+0
+0.3Round 14🇱🇻 LATVIA203N♠4+1+0
+0.3Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND13♣♠6+1+1
+0.2Round 7🇨🇭 SWITZERLAND93N♠J+2+0
+0.2Round 21🇹🇷 TURKEY272♦♦K+1+0
+0.0Round 1🇷🇴 ROMANIA63N♦4=+0
-0.0Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113N♣8+2+0
-0.0Round 7🇨🇭 SWITZERLAND64♥♠J+1+0
-0.0Round 13🇮🇱 ISRAEL22♠♣6-1-2
-0.0Round 22🇪🇸 SPAIN74♠♦K+1-13
-0.3Round 22🇪🇸 SPAIN33♠♥K+2-10
-0.5Round 23🇧🇬 BULGARIA203N♥10+2-12
-0.6Round 9🇵🇹 PORTUGAL306♦♦3=+2
-0.6Round 14🇱🇻 LATVIA194♥♥6=+0
-0.7Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND83N♣4+2-10
-0.7Round 21🇹🇷 TURKEY232♠♦K=+1
-0.7Round 23🇧🇬 BULGARIA144♥♣8=+1
-0.8Round 10🇮🇪 IRELAND52♥♦4=+1
-0.9Round 7🇨🇭 SWITZERLAND22♠♥A+2-6
-0.9Round 8🇩🇰 DENMARK134♠♦10-2-7
-1.0Round 15🇷🇺 RUSSIA215♣♠K+1+13
-1.0Round 23🇧🇬 BULGARIA162♠♦K+1-1
-1.1Round 4🇭🇺 HUNGARY72♥♣A-1-5
-1.1Round 8🇩🇰 DENMARK193♦♣A+1+0
-1.1Round 13🇮🇱 ISRAEL74♥♠J=+0
-1.1Round 14🇱🇻 LATVIA133♦♣5+2+10
-1.2Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND44♠♠8-2-8
-1.2Round 22🇪🇸 SPAIN94♠♠A+1+0
-1.3Round 1🇷🇴 ROMANIA104♠♦K+1-1
-1.3Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184N♥4+1+13
-1.4Round 21🇹🇷 TURKEY302♠♥5=+0
-1.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123N♦3-1+2
-1.5Round 10🇮🇪 IRELAND81N♥2=+2
-1.5Round 14🇱🇻 LATVIA163♥♠K+1+6
-1.6Round 1🇷🇴 ROMANIA83N♥J=+1
-1.6Round 22🇪🇸 SPAIN83♦♦10-1+2
-1.7Round 4🇭🇺 HUNGARY102♠♣K=+0
-1.7Round 9🇵🇹 PORTUGAL213N♥10+3+12
-1.7Round 21🇹🇷 TURKEY254♠♣K=+0
-1.7Round 23🇧🇬 BULGARIA182♠♠5+1+0
-2.0Round 8🇩🇰 DENMARK182♠♥K-1+2
-2.1Round 13🇮🇱 ISRAEL94♥♦K+1-1
-2.1Round 23🇧🇬 BULGARIA133N♥9+1+1
-2.2Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND53♥♦K-1-6
-2.4Round 8🇩🇰 DENMARK172♠♣3+1+0
-2.4Round 15🇷🇺 RUSSIA292♠♥K+1-1
-2.5Round 15🇷🇺 RUSSIA251N♦6=-5
-2.5Round 21🇹🇷 TURKEY295♥♦5-1-7
-2.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♠♥A=+0
-2.6Round 10🇮🇪 IRELAND63♥♦A=-6
-2.7Round 9🇵🇹 PORTUGAL284♥♠5-1-5
-2.9Round 23🇧🇬 BULGARIA123♦♥5-1-5
-3.0Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193♠♥5=-10
-3.0Round 7🇨🇭 SWITZERLAND81N♥A-1-9
-3.0Round 23🇧🇬 BULGARIA172♠♦K=+1
-3.1Round 9🇵🇹 PORTUGAL265♣x♦J-1-7
-3.1Round 15🇷🇺 RUSSIA274♥♠8=+0
-3.3Round 7🇨🇭 SWITZERLAND13N♠3=-3
-3.3Round 10🇮🇪 IRELAND25♣x♠Q-2-5
-3.4Round 14🇱🇻 LATVIA114♥♦5-1-5
-3.6Round 10🇮🇪 IRELAND34♠♥K-1-5
-3.8Round 15🇷🇺 RUSSIA284♠♥A=-11
-3.9Round 21🇹🇷 TURKEY225♣x♠A-4+4
-4.0Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND72♠♣K+1+0
-4.3Round 21🇹🇷 TURKEY262♦♦5-2-2
-4.5Round 10🇮🇪 IRELAND76♠♦10-1-17
-4.5Round 23🇧🇬 BULGARIA151N♥6=-7
-4.7Round 7🇨🇭 SWITZERLAND45♣♦K=-17
-4.7Round 14🇱🇻 LATVIA144♠♣5=-1
-5.1Round 15🇷🇺 RUSSIA234♥♠8=+1
-5.4Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND94N♦Q+2-14
-5.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND131♠♦6=-5
-5.7Round 15🇷🇺 RUSSIA264♠♦A+2-13
-5.8Round 1🇷🇴 ROMANIA26♣x♠K-2-5
-6.0Round 13🇮🇱 ISRAEL53N♠Q-1-12
-6.0Round 23🇧🇬 BULGARIA113N♥9+1-4
-6.1Round 15🇷🇺 RUSSIA222♥♣K-1-16
-6.3Round 1🇷🇴 ROMANIA73N♠Q-2-8
-6.5Round 4🇭🇺 HUNGARY93N♠K=-7
-7.2Round 13🇮🇱 ISRAEL12♠x♥J-2-9
-7.6Round 4🇭🇺 HUNGARY52♠♣6+2-10
-7.9Round 4🇭🇺 HUNGARY64♠♦2-2-11
-8.8Round 4🇭🇺 HUNGARY43N♠Q=+1
-9.0Round 15🇷🇺 RUSSIA243N♠Q+2-8
-9.1Round 16🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND34♥♦K-1-11
-9.5Round 4🇭🇺 HUNGARY27♣♣3=+2