🇵🇱 MARTENS Krzysztof · POLAND

27rank
+83.8Butler · 224 bds
+0.37per board
±4.2swing
+0.92vs par /bd · #9/134
+0.32adjusted /bd
Butler per round: -5.3 -4.7 -7 -18.3 16 8 -24.6 13.1 13.5 35.9 -14.5 23.5 3.5 44.7by round

vs par split: bidding +0.77 · play +0.15

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted +0.32/bd

Card play — on target: opening leads 76.4% #118 of 134 · declarer play 78.2% #32 of 134 · defence 90.5% #21 of 134

Bidding activity — not a pass: 38.1% #122 of 134 (228/599)

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (14)82.9% (41)
Declarer play63.6% (11)81.8% (44)
Defence96.8% (31)88.2% (85)

Opening leads by suit led: ♠ 60.0% (10) · ♥ 86.7% (15) · ♦ 66.7% (15) · ♣ 86.7% (15)

vs par by strain: NT +1.85 (59) · a suit +0.59 (165)

vs par by level: part-score +0.94 (92) · game +1.02 (117) · slam +0.07 (15)

By role: declaring +0.07/bd (-2.37 vs par · 108) · defending +0.66/bd (+3.98 vs par · 116)

By vulnerability: vulnerable +0.62/bd (+1.54 vs par · 112) · not vulnerable +0.13/bd (+0.30 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.WitekP.Shields – R.ChamberlainOpen16-5.3-0.33-0.19
Round 3M.WitekI.Miladin – D.DiklicClosed16-4.7-0.29-2.56
Round 5M.WitekE.Pinto – J.PintoOpen16-7.0-0.44+0.06
Round 7M.WitekM.Karpov – A.RummelOpen16-18.3-1.14-2.12
Round 8M.WitekM.Karadeniz – A.MusaogluClosed16+16.0+1.00+0.88
Round 10M.WitekP.Valdimarsson – R.MagnussonOpen16+8.0+0.50+3.94
Round 11M.WitekA.Buratti – G.FaillaOpen16-24.6-1.54-0.19
Round 13M.WitekD.Ivanov – A.StoyanovOpen16+13.1+0.82+1.44
Round 15M.WitekS.Hoyland – M.EideOpen16+13.5+0.84+3.31
Round 17M.WitekI.Ilzins – A.MilgravisOpen16+35.9+2.24+1.75
Round 18M.WitekK.Blakset – L.BlaksetClosed16-14.5-0.91+1.25
Round 20M.WitekN.Schilhart – N.BuchlevOpen16+23.5+1.47-0.25
Round 21M.WitekD.Garvey – P.QuinnOpen16+3.5+0.22+0.62
Round 23M.WitekG.Zivkovic – J.DerivazClosed16+44.7+2.79+4.94

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
+11.9Round 23🇨🇭 SWITZERLAND284♠x♦K-4+7
+11.8Round 23🇨🇭 SWITZERLAND225♦x♥A-3+9
+10.5Round 20🇩🇪 GERMANY194♥♣J-2+13
+9.6Round 17🇱🇻 LATVIA134♠x♥K-3+12
+9.1Round 7🇪🇪 ESTONIA133NT♦Q+1+11
+9.0Round 13🇧🇬 BULGARIA154NT♥A+2+1
+8.5Round 17🇱🇻 LATVIA113NT♠K+1-1
+8.3Round 21🇮🇪 IRELAND225♣♥9-1+10
+8.2Round 8🇹🇷 TURKIYE312♦♣6+3+10
+8.2Round 17🇱🇻 LATVIA62♠♥A+1+11
+7.9Round 15🇳🇴 NORWAY72♠♠8-3+9
+7.7Round 13🇧🇬 BULGARIA92NTx♣7-2+8
+7.4Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND283NT♥Q+3+13
+7.0Round 3🇭🇷 CROATIA243♣x♦J-3+2
+6.9Round 8🇹🇷 TURKIYE223NT♥3=+0
+6.2Round 3🇭🇷 CROATIA304♠♥2=+0
+6.2Round 7🇪🇪 ESTONIA33♥♠A+2+6
+6.0Round 23🇨🇭 SWITZERLAND257♠♦T=+0
+5.9Round 20🇩🇪 GERMANY173NT♣A-3+7
+5.8Round 18🇩🇰 DENMARK312♠♦A-2+7
+5.5Round 13🇧🇬 BULGARIA74♥♦Q=-1
+5.3Round 7🇪🇪 ESTONIA64♥♦A-2+5
+5.2Round 13🇧🇬 BULGARIA43♣♥4=+10
+5.2Round 17🇱🇻 LATVIA143NT♥7=+0
+5.1Round 10🇮🇸 ICELAND236♦♠3-1+16
+4.6Round 23🇨🇭 SWITZERLAND244♠♦6-1+5
+4.5Round 18🇩🇰 DENMARK204♥♣8-2+8
+4.4Round 5🇵🇹 PORTUGAL34♥♠A=+3
+4.3Round 13🇧🇬 BULGARIA113NT♥6-1+10
+4.3Round 20🇩🇪 GERMANY204♠♣4+2-13
+4.2Round 15🇳🇴 NORWAY34♠♥K=+0
+4.2Round 21🇮🇪 IRELAND275♥♠3=+0
+4.1Round 13🇧🇬 BULGARIA52♠♠6-1+5
+4.1Round 15🇳🇴 NORWAY133♣♠4+1+13
+4.1Round 18🇩🇰 DENMARK283♠♥K-3+5
+4.0Round 8🇹🇷 TURKIYE185♦♣A=+0
+3.9Round 5🇵🇹 PORTUGAL122♥♣A=+6
+3.8Round 7🇪🇪 ESTONIA83♣♦T=+0
+3.8Round 11🇮🇹 ITALY163♥♠3+1+2
+3.8Round 15🇳🇴 NORWAY54♥♠J-1+6
+3.7Round 15🇳🇴 NORWAY123♦x♥A-3+17
+3.7Round 17🇱🇻 LATVIA16♥♣6+1+11
+3.6Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND256NT♠Q-1+14
+3.6Round 23🇨🇭 SWITZERLAND233♥♦K+1+10
+3.5Round 8🇹🇷 TURKIYE202♠♣6-1+5
+3.4Round 17🇱🇻 LATVIA162♥♣A+1+0
+3.4Round 23🇨🇭 SWITZERLAND171NT♣Q=+5
+3.3Round 11🇮🇹 ITALY113♥♠Q-2+13
+3.3Round 20🇩🇪 GERMANY294♠♠4+1+1
+3.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND174♥♠K-2-1
+3.1Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND221NT♠T=-1
+3.0Round 3🇭🇷 CROATIA204♠x♥T-1+8
+3.0Round 5🇵🇹 PORTUGAL156♠♥7=+0
+2.8Round 5🇵🇹 PORTUGAL75♣♠3=+13
+2.7Round 11🇮🇹 ITALY84♠♣5+1+11
+2.7Round 20🇩🇪 GERMANY314♥♥2-1-2
+2.7Round 21🇮🇪 IRELAND254♠♦9=+3
+2.6Round 11🇮🇹 ITALY153♠♥A-1-4
+2.6Round 21🇮🇪 IRELAND243NT♥5-2+11
+2.5Round 15🇳🇴 NORWAY162♥♣T-1+5
+2.5Round 21🇮🇪 IRELAND314♠♦4-1-3
+2.4Round 10🇮🇸 ICELAND183NT♥9+2+11
+2.4Round 13🇧🇬 BULGARIA121NT♣7-1+4
+2.4Round 20🇩🇪 GERMANY233♠♥K=+0
+2.4Round 23🇨🇭 SWITZERLAND264♥♣6+2+12
+2.3Round 10🇮🇸 ICELAND314♠♥K=+0
+2.3Round 20🇩🇪 GERMANY241♥♠5+2+0
+2.0Round 21🇮🇪 IRELAND283NT♠J+2+0
+2.0Round 23🇨🇭 SWITZERLAND273NT♣J+1-1
+1.9Round 18🇩🇰 DENMARK244♣♦K+1+6
+1.8Round 20🇩🇪 GERMANY301NT♣6-1-2
+1.8Round 20🇩🇪 GERMANY323NT♥Q-2+13
+1.7Round 17🇱🇻 LATVIA83♦♣A=+0
+1.6Round 10🇮🇸 ICELAND223♦♠K-3-3
+1.5Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233♥♦Q=+0
+1.5Round 3🇭🇷 CROATIA194♥♠7+2+1
+1.5Round 8🇹🇷 TURKIYE273NT♣2+3-14
+1.5Round 17🇱🇻 LATVIA52♥♠K+3-6
+1.5Round 21🇮🇪 IRELAND193♦♥A=+0
+1.4Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND302♥♣3=+0
+1.4Round 3🇭🇷 CROATIA264♠♥Q+1+1
+1.4Round 5🇵🇹 PORTUGAL22♥♥5+1+1
+1.4Round 8🇹🇷 TURKIYE265♣♥J-1+6
+1.4Round 15🇳🇴 NORWAY93NT♣T+2+0
+1.3Round 3🇭🇷 CROATIA231♥♣T+1-1
+1.3Round 10🇮🇸 ICELAND191NT♠2+1+0
+1.3Round 10🇮🇸 ICELAND204♥♦A-1-1
+1.2Round 10🇮🇸 ICELAND254NT♠2+2+13
+1.2Round 23🇨🇭 SWITZERLAND211NT♦9+4+6
+1.1Round 8🇹🇷 TURKIYE171NT♦5=+0
+1.1Round 11🇮🇹 ITALY94♠♥5=+0
+1.1Round 18🇩🇰 DENMARK253♠♥2-1+4
+1.0Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♠♦T-1-10
+1.0Round 10🇮🇸 ICELAND244♠♦7+2+1
+1.0Round 10🇮🇸 ICELAND323NT♥8+2+12
+1.0Round 17🇱🇻 LATVIA33NT♠5+2+1
+1.0Round 17🇱🇻 LATVIA42♣♠Q=+1
+1.0Round 17🇱🇻 LATVIA122♦♥5+2+10
+1.0Round 18🇩🇰 DENMARK291NT♥J-1+0
+0.9Round 8🇹🇷 TURKIYE251NT♥K=+7
+0.9Round 21🇮🇪 IRELAND181NT♦2+2+1
+0.8Round 5🇵🇹 PORTUGAL163NT♦8+1+1
+0.8Round 10🇮🇸 ICELAND283NT♣8-1+5
+0.8Round 23🇨🇭 SWITZERLAND304♠♦A+1+0
+0.7Round 20🇩🇪 GERMANY183NT♠3+1+1
+0.7Round 21🇮🇪 IRELAND232♥♠T-1+0
+0.6Round 3🇭🇷 CROATIA213♥♦A=+0
+0.6Round 5🇵🇹 PORTUGAL84♥♥T-1+5
+0.6Round 8🇹🇷 TURKIYE284♦♦3=-1
+0.6Round 8🇹🇷 TURKIYE303NT♥5-1-5
+0.6Round 11🇮🇹 ITALY44♥♣4+1+13
+0.6Round 15🇳🇴 NORWAY11NT♠2+1+0
+0.6Round 18🇩🇰 DENMARK193NT♣4=+1
+0.5Round 5🇵🇹 PORTUGAL52♥♣A+1+0
+0.5Round 7🇪🇪 ESTONIA13NT♠T+2+0
+0.5Round 8🇹🇷 TURKIYE233NT♠2+3+1
+0.4Round 11🇮🇹 ITALY104♠♣K+1+1
+0.3Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND242♠♠8+1+1
+0.3Round 23🇨🇭 SWITZERLAND185♠♥T+1+1
+0.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND201NT♣7=-2
+0.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND314♠♦9-1-5
+0.2Round 3🇭🇷 CROATIA253♠♥T=+7
+0.2Round 5🇵🇹 PORTUGAL143♠♠9+1+6
+0.2Round 7🇪🇪 ESTONIA22NT♣2=-1
+0.2Round 10🇮🇸 ICELAND294♥♦3+2+1
+0.1Round 10🇮🇸 ICELAND216♦♠5-3-3
+0.1Round 20🇩🇪 GERMANY253♦♣K+2-6
+0.1Round 20🇩🇪 GERMANY283NT♦J+2+1
+0.1Round 21🇮🇪 IRELAND322♥♦5+2+6
+0.1Round 23🇨🇭 SWITZERLAND313NT♠Q+1+10
-0.0Round 7🇪🇪 ESTONIA44♠♥Q+1+0
+0.0Round 13🇧🇬 BULGARIA62♠♠K+1-6
-0.1Round 15🇳🇴 NORWAY24♠x♦5-1+0
-0.1Round 17🇱🇻 LATVIA153NT♠2+2+0
-0.1Round 21🇮🇪 IRELAND295♣♥8=+2
-0.2Round 7🇪🇪 ESTONIA143♠♣K=+0
-0.2Round 17🇱🇻 LATVIA93♠♦8=+0
-0.3Round 3🇭🇷 CROATIA311NT♥A+1-7
-0.3Round 15🇳🇴 NORWAY84♥♠K+2+11
-0.3Round 23🇨🇭 SWITZERLAND324♠♥9+2+13
-0.4Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193NT♠Q+1+11
-0.4Round 7🇪🇪 ESTONIA102♦♦3=+0
-0.4Round 11🇮🇹 ITALY13♦♠A+1+0
-0.4Round 13🇧🇬 BULGARIA13NT♠T+1-1
-0.5Round 13🇧🇬 BULGARIA144♠♦6+1+0
-0.6Round 17🇱🇻 LATVIA72♦♠7=+1
-0.7Round 8🇹🇷 TURKIYE193♠♣A=+0
-0.7Round 11🇮🇹 ITALY33NT♥9+1-1
-0.7Round 23🇨🇭 SWITZERLAND293NT♠5-1-6
-0.8Round 5🇵🇹 PORTUGAL14♠♦6=+0
-0.8Round 18🇩🇰 DENMARK174♣♠5-2+5
-0.9Round 11🇮🇹 ITALY62♣♥T=+0
-1.0Round 15🇳🇴 NORWAY62♠♣K=+1
-1.0Round 23🇨🇭 SWITZERLAND204♠♦T+2+13
-1.1Round 10🇮🇸 ICELAND273NT♣J+1+0
-1.1Round 13🇧🇬 BULGARIA23♥♣9=+0
-1.1Round 13🇧🇬 BULGARIA83NT♠K=+2
-1.1Round 18🇩🇰 DENMARK233♠♣T-1-6
-1.1Round 21🇮🇪 IRELAND302♠♣T+1-1
-1.3Round 8🇹🇷 TURKIYE244♥x♣9-1+5
-1.3Round 11🇮🇹 ITALY24♣♠A=+0
-1.3Round 15🇳🇴 NORWAY142♦♣2+3-6
-1.4Round 15🇳🇴 NORWAY44♥♣K+1-4
-1.4Round 23🇨🇭 SWITZERLAND195♦♠A-1-5
-1.5Round 7🇪🇪 ESTONIA114♠♣A=+0
-1.6Round 3🇭🇷 CROATIA175♠♦A+1-11
-1.6Round 3🇭🇷 CROATIA324♠♣7+1+0
-1.7Round 10🇮🇸 ICELAND174♥♦Q+1+11
-1.7Round 11🇮🇹 ITALY134♥♠K-2-7
-1.8Round 3🇭🇷 CROATIA275♦♥Q+1-11
-1.9Round 18🇩🇰 DENMARK184♥♦5=+0
-1.9Round 18🇩🇰 DENMARK263NT♠K-4-6
-2.0Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND211♠♣6=+1
-2.0Round 8🇹🇷 TURKIYE296♥♣T+1+13
-2.0Round 15🇳🇴 NORWAY116♥♥6+1+11
-2.2Round 20🇩🇪 GERMANY214♠♣5+1-1
-2.3Round 13🇧🇬 BULGARIA104♦♥A-1+3
-2.3Round 21🇮🇪 IRELAND264♥♦4+1-1
-2.4Round 13🇧🇬 BULGARIA162♠♠J-2-5
-2.5Round 21🇮🇪 IRELAND174♠♦K=+1
-2.6Round 3🇭🇷 CROATIA184♠♦2-3-7
-2.7Round 5🇵🇹 PORTUGAL112♣♠J=-8
-2.7Round 20🇩🇪 GERMANY273NT♥2-2-6
-2.8Round 17🇱🇻 LATVIA101NT♠4=-5
-3.0Round 3🇭🇷 CROATIA296NT♦T=+0
-3.0Round 5🇵🇹 PORTUGAL93♦♠8-2-1
-3.1Round 3🇭🇷 CROATIA224♠♣6=-11
-3.1Round 7🇪🇪 ESTONIA73♦♠A=+0
-3.2Round 10🇮🇸 ICELAND301NT♣Q=+0
-3.3Round 5🇵🇹 PORTUGAL43NT♣K-2-8
-3.3Round 18🇩🇰 DENMARK222♠♦9=-6
-3.5Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND261♠♠2-1+1
-3.5Round 18🇩🇰 DENMARK304♥♦8+2-11
-3.5Round 20🇩🇪 GERMANY262♦♥K-1-5
-3.8Round 5🇵🇹 PORTUGAL134♠♣A+1+0
-3.8Round 11🇮🇹 ITALY73♥♦T-1-5
-3.8Round 15🇳🇴 NORWAY152♥♣A-3-6
-3.9Round 13🇧🇬 BULGARIA134♠♣A-1-6
-4.0Round 18🇩🇰 DENMARK324♠♣2+2+11
-4.0Round 20🇩🇪 GERMANY223♠♣A-1-5
-4.2Round 8🇹🇷 TURKIYE213♠♥K+2-6
-4.3Round 7🇪🇪 ESTONIA164♠♥Q+1+0
-4.3Round 10🇮🇸 ICELAND264♠♥9=+0
-4.5Round 5🇵🇹 PORTUGAL102♠♥K+2-10
-4.6Round 7🇪🇪 ESTONIA124♠♠5+2-11
-4.8Round 15🇳🇴 NORWAY101♠x♣2-3-4
-5.0Round 8🇹🇷 TURKIYE323NT♠2=-7
-5.2Round 17🇱🇻 LATVIA22♥♣A+1-7
-5.4Round 11🇮🇹 ITALY146♣♦2=+2
-5.7Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND324♠x♥7+1-7
-6.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND294♠♣A-2-8
-6.4Round 18🇩🇰 DENMARK213NT♠6=+13
-6.5Round 5🇵🇹 PORTUGAL65♥x♦K+1-7
-7.5Round 21🇮🇪 IRELAND215♥x♦6-2-10
-8.4Round 7🇪🇪 ESTONIA55♦x♥5=-10
-8.5Round 21🇮🇪 IRELAND203♥♠J-3-9
-9.4Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND274♠♥A-1-10
-9.5Round 11🇮🇹 ITALY56♦♥A-1-11
-10.1Round 7🇪🇪 ESTONIA157♠♠6-1-14
-10.6Round 18🇩🇰 DENMARK273NT♦6-2-11
-10.8Round 7🇪🇪 ESTONIA96♠♣Q-1-20
-11.9Round 3🇭🇷 CROATIA284♠x♣K=-12
-13.4Round 13🇧🇬 BULGARIA36♥♦2=-1
-15.4Round 11🇮🇹 ITALY126♥x♦A-5-17