🇵🇱 JASSEM Krzysztof · POLAND

84rank
+21.1Butler · 224 bds
+0.09per board
±4.5swing
+0.82vs par /bd
-0.10adjusted /bd
Butler per round: 5 10.8 -7.6 17.6 22.7 0.5 -3.5 -35.6 12.4 -5.4 1.3 -12.3 45.4 -30.2by round

vs par split: bidding +0.55 · play +0.15

Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted -0.10/bd

Card play — on target: opening leads 79.5% · declarer play 77.8% · defence 89.8%

Card play by contract type — on target
vs NTvs a suit
Opening leads68.8% (16)87.0% (23)
Declarer play84.0% (25)74.5% (47)
Defence82.5% (40)93.6% (78)

Opening leads by suit led: ♠ 57.1% (7) · ♥ 77.8% (9) · ♦ 92.9% (14) · ♣ 77.8% (9)

vs par by strain: NT +1.49 (68) · a suit +0.44 (154)

vs par by level: part-score +0.15 (85) · game +1.34 (123) · slam -0.64 (14)

By role: declaring +0.09/bd (-2.14 vs par · 103) · defending +0.10/bd (+3.33 vs par · 121)

By vulnerability: vulnerable -0.13/bd (+0.38 vs par · 112) · not vulnerable +0.32/bd (+1.26 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.MazurkiewiczG.Abzianidze – G.GogoberidzeClosed16+5.0+0.31+1.75
Round 3M.MazurkiewiczK.Koistinen – V.FagerlundClosed16+10.8+0.68+0.12
Round 5M.MazurkiewiczA.Kavalenka – A.ZhukovClosed16-7.6-0.47+1.44
Round 7M.MazurkiewiczL.Naber – L.LuksClosed16+17.6+1.10+1.25
Round 9M.MazurkiewiczB.Short – A.GoodmanOpen16+22.7+1.42+0.75
Round 11M.MazurkiewiczS.Magnusson – D.NikolenkovOpen16+0.5+0.03-0.12
Round 12M.MazurkiewiczA.Filios – T.MatziarisOpen16-3.5-0.22+5.19
Round 14M.MazurkiewiczA.Jorgensen – B.JonssonClosed16-35.6-2.23-0.94
Round 16M.MazurkiewiczS.De Donder – S.De RoosClosed16+12.4+0.78+1.56
Round 18M.MazurkiewiczM.Jokladal – B.SimonsenClosed16-5.4-0.34-1.50
Round 20M.MazurkiewiczI.Coldea – B.MarinaClosed16+1.3+0.08+1.62
Round 23M.MazurkiewiczF.Goded – G.Goded MerinoOpen16-12.3-0.77-0.25
Round 27M.MazurkiewiczG.Kolettis – G.GeorgiadesClosed16+45.4+2.84+1.94
Round 29M.MazurkiewiczN.Paz – S.PessoaOpen16-30.2-1.89-1.38

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
+14.1Round 27🇨🇾 CYPRUS86NT♥2-3+15
+12.5Round 3🇫🇮 FINLAND25♦x♠8-4+14
+10.3Round 11🇨🇭 SWITZERLAND133NT♠2=+10
+9.6Round 12🇬🇷 GREECE193NTx♠A+1+7
+9.2Round 27🇨🇾 CYPRUS64♠♣8-1+10
+9.0Round 16🇧🇪 BELGIUM284♥x♠8+1+7
+8.9Round 1🇬🇪 GEORGIA155♥x♥8-2+12
+8.1Round 12🇬🇷 GREECE265♦♥J+1+17
+8.1Round 27🇨🇾 CYPRUS125♦♠4-1+5
+8.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND156♥♣3=+0
+7.7Round 27🇨🇾 CYPRUS74♠♥3=+10
+7.4Round 5BELARUS163♥♠A+1+10
+7.3Round 27🇨🇾 CYPRUS155♥x♠3-1+5
+7.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND35♣♦K=+0
+7.0Round 12🇬🇷 GREECE205♥♠5=+10
+6.9Round 1🇬🇪 GEORGIA95♠x♦3-3+17
+6.8Round 11🇨🇭 SWITZERLAND143NT♣6=+6
+6.7Round 20🇷🇴 ROMANIA193NT♣4-1+14
+6.1Round 5BELARUS24♠♠9+2+11
+6.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND115♦x♥A-2+9
+5.9Round 18🇫🇴 FAROE ISLANDS263NT♣6-1+12
+5.8Round 11🇨🇭 SWITZERLAND93♠x♠9-1+9
+5.7Round 1🇬🇪 GEORGIA132♠♥A-2+3
+5.4Round 11🇨🇭 SWITZERLAND125♣♠4-1+10
+5.4Round 16🇧🇪 BELGIUM183♣♣8=+0
+5.3Round 7🇪🇪 ESTONIA94♠♥9=+7
+5.2Round 7🇪🇪 ESTONIA64♥♥10-1+6
+4.8Round 7🇪🇪 ESTONIA22NT♣A+1+1
+4.8Round 16🇧🇪 BELGIUM253♦♣8+2+0
+4.7Round 1🇬🇪 GEORGIA23NT♥Q-2+6
+4.7Round 14🇮🇸 ICELAND174♥♦10+2+11
+4.5Round 3🇫🇮 FINLAND104♥♠2+1+0
+4.4Round 7🇪🇪 ESTONIA44♦♠9-2+8
+4.1Round 12🇬🇷 GREECE224♠♦4-2+6
+3.8Round 3🇫🇮 FINLAND44♠♥7-2+13
+3.8Round 11🇨🇭 SWITZERLAND13NT♣3-2+0
+3.8Round 20🇷🇴 ROMANIA216♠♦2=+0
+3.7Round 1🇬🇪 GEORGIA84♥♥4=+7
+3.7Round 1🇬🇪 GEORGIA143♣♣2+2+7
+3.7Round 3🇫🇮 FINLAND95♠x♣K-3+5
+3.7Round 29🇵🇹 PORTUGAL104♥♠7-1+12
+3.6Round 16🇧🇪 BELGIUM235♦♦2-1+13
+3.3Round 3🇫🇮 FINLAND64♠♦5-1+10
+3.2Round 5BELARUS123♦♠8=-1
+3.2Round 12🇬🇷 GREECE302♥♦8+4+13
+3.1Round 20🇷🇴 ROMANIA223NT♣3-1+5
+3.1Round 27🇨🇾 CYPRUS164♠♠J=-1
+3.0Round 27🇨🇾 CYPRUS55♦x♠2-3+4
+2.9Round 7🇪🇪 ESTONIA161NT♠5=+0
+2.8Round 1🇬🇪 GEORGIA72♠♣A=+12
+2.8Round 14🇮🇸 ICELAND212NT♦6+1+10
+2.8Round 18🇫🇴 FAROE ISLANDS315♠♣2=+0
+2.8Round 20🇷🇴 ROMANIA173NT♥5-1+5
+2.6Round 3🇫🇮 FINLAND114♠♣Q+1-11
+2.6Round 18🇫🇴 FAROE ISLANDS173♦x♠J-3+10
+2.5Round 11🇨🇭 SWITZERLAND161NT♣8-1+5
+2.5Round 18🇫🇴 FAROE ISLANDS235♣x♠A-1-2
+2.4Round 12🇬🇷 GREECE274♥♠A+1+0
+2.4Round 27🇨🇾 CYPRUS144♠♦J+1+1
+2.3Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND143♠♦A-1+5
+2.3Round 11🇨🇭 SWITZERLAND81NT♣4=+5
+2.1Round 29🇵🇹 PORTUGAL75♦♠8-1+6
+2.0Round 3🇫🇮 FINLAND13NT♥Q=-1
+2.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND121NT♥9-1+5
+2.0Round 14🇮🇸 ICELAND184♥♣2-1-1
+2.0Round 29🇵🇹 PORTUGAL123NT♦3+3+16
+1.9Round 16🇧🇪 BELGIUM294♥♦2-1+12
+1.9Round 23🇪🇸 SPAIN93NT♠3=-1
+1.9Round 23🇪🇸 SPAIN152♠♣3=+1
+1.8Round 23🇪🇸 SPAIN142♦♠Q-1+2
+1.7Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND134♥♥A-1+6
+1.7Round 20🇷🇴 ROMANIA304♠♣Q-2-7
+1.6Round 1🇬🇪 GEORGIA112♠♥3+3-6
+1.5Round 7🇪🇪 ESTONIA124♠♦2-2+6
+1.5Round 12🇬🇷 GREECE213♦♥7=+11
+1.4Round 18🇫🇴 FAROE ISLANDS251NT♠Q+2+1
+1.4Round 29🇵🇹 PORTUGAL134♠♣J=-1
+1.3Round 16🇧🇪 BELGIUM262♠♣8+3-9
+1.3Round 16🇧🇪 BELGIUM322♠♠K+2-1
+1.3Round 23🇪🇸 SPAIN12♥♠3-1-2
+1.3Round 27🇨🇾 CYPRUS33NT♦5=+1
+1.1Round 3🇫🇮 FINLAND71NT♠10+2+10
+1.1Round 7🇪🇪 ESTONIA103NT♠2+1+0
+1.1Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND63♦♥A=+0
+1.1Round 18🇫🇴 FAROE ISLANDS304♥♠3+2-11
+1.0Round 3🇫🇮 FINLAND142♠♦2+1+0
+1.0Round 20🇷🇴 ROMANIA322♥♦Q+2+6
+0.9Round 7🇪🇪 ESTONIA13♠♦6+1+1
+0.9Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND164♠♥A-1-6
+0.9Round 12🇬🇷 GREECE282♥♥4=+0
+0.9Round 16🇧🇪 BELGIUM171NT♣3=+2
+0.9Round 16🇧🇪 BELGIUM204♥♦2+2+9
+0.9Round 16🇧🇪 BELGIUM244♦♠A=+0
+0.9Round 18🇫🇴 FAROE ISLANDS182NT♣8=+0
+0.9Round 18🇫🇴 FAROE ISLANDS203NT♥6+2-12
+0.8Round 1🇬🇪 GEORGIA124♠♠2+1+0
+0.8Round 5BELARUS61NT♥2-1+1
+0.8Round 14🇮🇸 ICELAND233NT♥6+2+1
+0.7Round 3🇫🇮 FINLAND164♠♦6+1+0
+0.7Round 5BELARUS92♣♠2-2+1
+0.7Round 18🇫🇴 FAROE ISLANDS283♥x♠Q-1-5
+0.5Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND21NT♦6+3+9
+0.5Round 14🇮🇸 ICELAND275♦♥K-1-4
+0.5Round 14🇮🇸 ICELAND323NT♣5+2+1
+0.5Round 20🇷🇴 ROMANIA312♦x♣2-2+8
+0.5Round 23🇪🇸 SPAIN16Pass+3
+0.5Round 27🇨🇾 CYPRUS104♠♦J=+1
+0.5Round 27🇨🇾 CYPRUS113NT♦3=-1
+0.5Round 29🇵🇹 PORTUGAL52♥♦Q-2+1
+0.4Round 5BELARUS83♠♥A+1+4
+0.3Round 3🇫🇮 FINLAND82NT♠6=+0
+0.3Round 5BELARUS133NT♥4=+13
+0.3Round 14🇮🇸 ICELAND223NT♠4+1+0
+0.3Round 20🇷🇴 ROMANIA181NT♠3+1+0
+0.3Round 23🇪🇸 SPAIN24♥♥A+1+1
+0.3Round 27🇨🇾 CYPRUS14♥♠Q+2+1
+0.3Round 29🇵🇹 PORTUGAL83NT♥6+3+1
+0.2Round 5BELARUS101NT♦2-1-5
+0.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND51NT♥2+1+0
+0.2Round 11🇨🇭 SWITZERLAND63NT♥5+1+0
+0.2Round 16🇧🇪 BELGIUM303NT♦4+2+11
+0.1Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND74♥♠K+2-12
+0.1Round 18🇫🇴 FAROE ISLANDS193NT♦Q-1+5
+0.1Round 29🇵🇹 PORTUGAL14♥♦K+1-1
+0.0Round 7🇪🇪 ESTONIA86♠♥2+1-11
-0.0Round 12🇬🇷 GREECE314♠♥Q+2+13
-0.0Round 27🇨🇾 CYPRUS92♠♦J=+0
-0.1Round 29🇵🇹 PORTUGAL163NT♦6=+11
-0.2Round 11🇨🇭 SWITZERLAND114♥♣8=-3
-0.2Round 29🇵🇹 PORTUGAL61NT♥2=-5
-0.3Round 5BELARUS153♦♦2+1+0
-0.3Round 20🇷🇴 ROMANIA262♠♦2+1+0
-0.4Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND93♣♠2+2-8
-0.5Round 7🇪🇪 ESTONIA114♠♥9+1+0
-0.5Round 23🇪🇸 SPAIN121NT♦6+1+0
-0.5Round 29🇵🇹 PORTUGAL22♠♥3+1+0
-0.6Round 16🇧🇪 BELGIUM212♥♦10+2-6
-0.6Round 23🇪🇸 SPAIN64♥♠10+3-2
-0.7Round 3🇫🇮 FINLAND52♥♠K-2+0
-0.7Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND44♠♣6=+0
-0.7Round 16🇧🇪 BELGIUM274♥♣A=-3
-0.7Round 18🇫🇴 FAROE ISLANDS223NT♠6+1+0
-0.8Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14NT♦2+1-2
-0.8Round 20🇷🇴 ROMANIA233♠♥A=+1
-0.9Round 7🇪🇪 ESTONIA33NT♥10+1+13
-0.9Round 7🇪🇪 ESTONIA154♠♦K+2-13
-0.9Round 14🇮🇸 ICELAND252♥♣J=-5
-0.9Round 16🇧🇪 BELGIUM312♠♦Q-1-4
-1.0Round 7🇪🇪 ESTONIA52♠♦3+1+0
-1.0Round 11🇨🇭 SWITZERLAND73NT♠3+2-1
-1.1Round 1🇬🇪 GEORGIA63♣♦2-1-1
-1.1Round 5BELARUS114♠♦7=+0
-1.1Round 20🇷🇴 ROMANIA254♠♦J+2-13
-1.1Round 23🇪🇸 SPAIN111♥x♦7-2+3
-1.2Round 18🇫🇴 FAROE ISLANDS324♠♦A=+0
-1.2Round 23🇪🇸 SPAIN134♠♣2+1+0
-1.3Round 7🇪🇪 ESTONIA73NT♦6+1+0
-1.4Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND10Pass+11
-1.4Round 11🇨🇭 SWITZERLAND33♠♠3=-7
-1.5Round 5BELARUS43NT♥A+1-1
-1.5Round 14🇮🇸 ICELAND306♥♠6+1+11
-1.6Round 1🇬🇪 GEORGIA13♠♦2=-1
-1.6Round 7🇪🇪 ESTONIA143♥♣A-2+1
-1.7Round 20🇷🇴 ROMANIA284♠♦Q=+0
-1.9Round 27🇨🇾 CYPRUS133♦♠K=+0
-2.2Round 23🇪🇸 SPAIN34♠♦Q-1-6
-2.2Round 23🇪🇸 SPAIN71NT♠10-2+9
-2.3Round 7🇪🇪 ESTONIA132♠♣A=+1
-2.4Round 3🇫🇮 FINLAND153NT♣3=+1
-2.5Round 1🇬🇪 GEORGIA34♥♦2+1+0
-2.5Round 18🇫🇴 FAROE ISLANDS212♣x♥2-1-5
-2.5Round 20🇷🇴 ROMANIA293NT♦5=+1
-2.6Round 27🇨🇾 CYPRUS44♠♣3-1-6
-2.7Round 5BELARUS32♥♠6+1+0
-2.7Round 5BELARUS71NT♠4+1+0
-2.7Round 12🇬🇷 GREECE295♠♦A=-4
-2.7Round 23🇪🇸 SPAIN52♥♦8-3-1
-2.8Round 1🇬🇪 GEORGIA103♦♥10=+0
-2.8Round 23🇪🇸 SPAIN41NT♥K=-5
-2.9Round 20🇷🇴 ROMANIA276♣♠5+1+10
-3.1Round 23🇪🇸 SPAIN103♦♥4+1+0
-3.5Round 3🇫🇮 FINLAND33♠♥A-1-12
-3.6Round 12🇬🇷 GREECE254♥♣7=+1
-3.6Round 14🇮🇸 ICELAND313NT♣6=-3
-3.6Round 23🇪🇸 SPAIN81♥♣6+2-6
-3.6Round 29🇵🇹 PORTUGAL153♠♥3=-6
-3.7Round 29🇵🇹 PORTUGAL33NT♠5+2-8
-3.9Round 14🇮🇸 ICELAND263NT♥8=+2
-4.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND84♠♦2-1-5
-4.1Round 5BELARUS53♦x♣8-1+5
-4.3Round 12🇬🇷 GREECE236♥♠5+1+11
-4.3Round 12🇬🇷 GREECE321NT♣K-1-5
-4.3Round 18🇫🇴 FAROE ISLANDS243NT♦3+4+10
-4.3Round 20🇷🇴 ROMANIA204♥♣J-1-3
-4.5Round 12🇬🇷 GREECE174♠♥K+1-1
-4.6Round 11🇨🇭 SWITZERLAND106♥♦7=+13
-4.7Round 29🇵🇹 PORTUGAL96♠♥K+1-13
-4.8Round 11🇨🇭 SWITZERLAND23♠♦J=-10
-5.0Round 3🇫🇮 FINLAND125♣♥5=-10
-5.0Round 20🇷🇴 ROMANIA243NT♦5+1-1
-5.1Round 1🇬🇪 GEORGIA163♠x♠2-2-5
-5.1Round 11🇨🇭 SWITZERLAND43♥♠6-1-5
-5.1Round 14🇮🇸 ICELAND294♠♦7-1-12
-5.2Round 5BELARUS13NT♠3-1-5
-5.9Round 14🇮🇸 ICELAND201NT♣3+1-12
-6.6Round 1🇬🇪 GEORGIA53NT♦K-2-8
-7.2Round 16🇧🇪 BELGIUM194♥♠K=-6
-7.5Round 18🇫🇴 FAROE ISLANDS274♥♠7+3-14
-7.6Round 27🇨🇾 CYPRUS27♠♠8-1-14
-7.9Round 14🇮🇸 ICELAND245♣♥A+1+1
-8.1Round 18🇫🇴 FAROE ISLANDS295NT♠4=-13
-8.1Round 29🇵🇹 PORTUGAL113NT♠6=-7
-8.4Round 16🇧🇪 BELGIUM224♥♦2=+0
-8.7Round 14🇮🇸 ICELAND193♣♦6+2-15
-9.1Round 5BELARUS144♠♥A-1-10
-9.2Round 29🇵🇹 PORTUGAL43NT♥6-3-14
-9.3Round 11🇨🇭 SWITZERLAND156♣♠2-1-18
-9.7Round 14🇮🇸 ICELAND284♠♥A=+0
-10.0Round 12🇬🇷 GREECE246♦♠4=-9
-10.2Round 11🇨🇭 SWITZERLAND55♣♦2-1-16
-10.2Round 29🇵🇹 PORTUGAL143NT♦2-2-14
-10.9Round 12🇬🇷 GREECE186♠♣9=+13
-13.1Round 3🇫🇮 FINLAND136♥♦6-1-17
-14.1Round 1🇬🇪 GEORGIA43♣x♣A=-15