🇵🇱 SOBCZAK Mateusz · POLAND

7rank
+214.8Butler · 252 bds
+0.85per board
±4.8swing
+0.62vs par /bd · #20/115
+0.92adjusted /bd
Butler per round: -22.6 9.3 -16.2 27.1 24.7 36.3 4.5 -7.7 53.5 29.6 24.8 16.4 -21.3 -9.5 -8 17.6 16.1 40.2by round

vs par split: bidding +0.09 · play +0.60

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.92/bd

Card play — on target: opening leads 77.3% #55 of 115 · declarer play 83.9% #8 of 115 · defence 86.4% #42 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads86.7% (15)74.5% (51)
Declarer play88.2% (17)82.1% (39)
Defence91.7% (24)85.3% (116)

Opening leads by suit led: ♠ 89.5% (19) · ♥ 68.8% (16) · ♦ 76.9% (13) · ♣ 72.2% (18)

vs par by strain: NT +0.42 (57) · a suit +0.76 (193)

vs par by level: part-score +0.39 (94) · game +0.92 (131) · slam +0.56 (25)

By role: declaring +0.45/bd (-1.84 vs par · 111) · defending +1.25/bd (+2.66 vs par · 140)

By vulnerability: vulnerable +0.28/bd (-0.40 vs par · 126) · not vulnerable +1.42/bd (+1.64 vs par · 126)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.ChodackiQ.Wang – K.JinOpen14-22.6-1.61-0.79
Round 3P.MarcinowskiB.Norton – S.NattOpen14+9.3+0.66+2.36
Round 4P.MarcinowskiR.Cooper – F.McgrathOpen14-16.2-1.16-2.07
Round 6M.ChodackiM.Gronkvist – I.GronkvistClosed14+27.1+1.94+4.00
Round 7M.ChodackiY.Wang – P.ChenOpen14+24.7+1.76+0.64
Round 8M.ChodackiE.Moo – T.ChanClosed14+36.3+2.59+1.29
Round 9M.ChodackiA.Dhir – W.ZhuClosed14+4.5+0.32+0.21
Round 10M.ChodackiR.Sau – G.PercarioOpen14-7.7-0.55-2.43
Round 11M.ChodackiA.Asulin – H.LeviOpen14+53.5+3.82+4.43
Round 12M.ChodackiD.Cozart – S.McilwainClosed14+29.6+2.11-2.79
Round 13M.ChodackiK.Ashraf – O.ShaheenOpen14+24.8+1.77+1.86
Round 14M.ChodackiS.Wijayanto – R.NarendraOpen14+16.4+1.17+1.29
Round 15M.ChodackiM.Schols – R.WesterbeekClosed14-21.3-1.52-2.07
Round 16M.ChodackiC.Jolly – A.KaplanClosed14-9.5-0.68-0.57
Round 17M.ChodackiJ.Bernard – B.CombescureOpen14-8.0-0.57-1.50
Round 19M.ChodackiX.Zhu – M.ZhouOpen14+17.6+1.26+3.86
Round 20M.ChodackiK.Bossonney – P.CazabonOpen14+16.1+1.15+0.36
Round 21M.ChodackiN.Correa Laguna – J.Zamora VillamizarClosed14+40.2+2.87+3.14

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
+13.8Round 21🇨🇴 COLOMBIA106♠♣3-6+15
+13.6Round 7🇹🇼 CHINESE TAIPEI63♥x♠A-4+14
+12.4Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND37♦♥Q=+0
+12.4Round 11🇮🇱 ISRAEL74♠x♣J-4+14
+12.0Round 20🇨🇱 CHILE86NT♦J-1+14
+11.9Round 9🇺🇸 USA 296♣♠J-1+17
+11.9Round 13🇪🇬 EGYPT133NT♦5-1+13
+11.5Round 19🇸🇬 SINGAPORE96♣♠Q-1+12
+11.2Round 19🇸🇬 SINGAPORE126♠♥K-3+17
+11.1Round 11🇮🇱 ISRAEL85♦♠5-1+10
+10.2Round 8🇭🇰 CHINA HONG KONG75♥x♦7-4+10
+10.0Round 11🇮🇱 ISRAEL144♠x♥Q-3+12
+9.6Round 14🇮🇩 INDONESIA14♠♦3-1+10
+9.5Round 14🇮🇩 INDONESIA84♦x♠A-4+8
+9.4Round 12🇨🇦 CANADA16♦♥Q=-12
+9.1Round 14🇮🇩 INDONESIA124♠x♣6-3+14
+8.6Round 6🇸🇪 SWEDEN45♠x♣9=+5
+8.5Round 6🇸🇪 SWEDEN84♥♦8-1+10
+8.4Round 10🇮🇹 ITALY135♦x♥3-2-3
+8.3Round 21🇨🇴 COLOMBIA113NT♥6-1+10
+8.2Round 12🇨🇦 CANADA93NT♠8-1+9
+8.2Round 16🇺🇸 USA 1106♣♦3=-13
+8.0Round 16🇺🇸 USA 134♥♠3-3+11
+7.9Round 20🇨🇱 CHILE92♥x♠K=+12
+7.8Round 8🇭🇰 CHINA HONG KONG34♠♣8-2+8
+7.4Round 12🇨🇦 CANADA145♣x♠A-4-5
+7.3Round 15🇳🇱 NETHERLANDS136♠♣4-1+13
+6.8Round 8🇭🇰 CHINA HONG KONG56♠♥K=+0
+6.7Round 11🇮🇱 ISRAEL34♠♥5-2+7
+6.5Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133♠♣6+2+9
+6.5Round 8🇭🇰 CHINA HONG KONG93♦♥5-2+13
+6.3Round 9🇺🇸 USA 223NT♥5=+10
+6.3Round 11🇮🇱 ISRAEL64♠x♥3=+9
+6.3Round 15🇳🇱 NETHERLANDS94♥x♠J=+5
+6.3Round 17🇫🇷 FRANCE133♣♠A=-1
+6.1Round 8🇭🇰 CHINA HONG KONG146♦♥A=+11
+6.0Round 15🇳🇱 NETHERLANDS141♥x♠2-4+8
+5.9Round 12🇨🇦 CANADA33♦♥10-1+6
+5.8Round 19🇸🇬 SINGAPORE64♥♠6-2+8
+5.4Round 11🇮🇱 ISRAEL55♣♦A+1+11
+5.1Round 19🇸🇬 SINGAPORE52♥♦J+1+6
+5.0Round 13🇪🇬 EGYPT73♠♥3=+1
+4.7Round 6🇸🇪 SWEDEN14♠♥J-1+10
+4.7Round 6🇸🇪 SWEDEN143NT♠6-1+10
+4.7Round 13🇪🇬 EGYPT63NT♦10-2+7
+4.5Round 6🇸🇪 SWEDEN53♣♥6+1+8
+4.5Round 14🇮🇩 INDONESIA37NT♠9=+0
+4.4Round 6🇸🇪 SWEDEN124♥♣4-1+10
+4.2Round 7🇹🇼 CHINESE TAIPEI93♦♠9-1+5
+4.2Round 13🇪🇬 EGYPT43♥♥4-2+3
+4.1Round 21🇨🇴 COLOMBIA94♥♦K+3+17
+4.0Round 4🇦🇺 AUSTRALIA13♥x♠Q-3+3
+4.0Round 6🇸🇪 SWEDEN75♣♦A-1+6
+4.0Round 7🇹🇼 CHINESE TAIPEI33♠♥4-3-3
+3.8Round 21🇨🇴 COLOMBIA133♥x♠A-1+8
+3.7Round 19🇸🇬 SINGAPORE33NT♠6=+7
+3.7Round 20🇨🇱 CHILE113♥♠10=+1
+3.4Round 4🇦🇺 AUSTRALIA143NT♥3=+0
+3.3Round 6🇸🇪 SWEDEN103♣♣6+1+10
+3.3Round 16🇺🇸 USA 113♠♦A+2+6
+3.3Round 16🇺🇸 USA 1114♥♠K-1+5
+3.2Round 7🇹🇼 CHINESE TAIPEI21NT♥10=+5
+3.2Round 9🇺🇸 USA 274♠♠6+1+1
+3.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND142♣♦5-1+4
+3.1Round 21🇨🇴 COLOMBIA53♠♥A-3-10
+3.0Round 11🇮🇱 ISRAEL16NT♣5=+0
+2.9Round 4🇦🇺 AUSTRALIA33♠♥2+2+6
+2.9Round 12🇨🇦 CANADA85♦x♦7-1+5
+2.9Round 13🇪🇬 EGYPT143NT♥8=-1
+2.9Round 14🇮🇩 INDONESIA112♦♣K-1+4
+2.8Round 2🇨🇳 CHINA121NT♠4-1+4
+2.8Round 2🇨🇳 CHINA132♠♥10=+6
+2.8Round 7🇹🇼 CHINESE TAIPEI13♠♥K-3-4
+2.8Round 8🇭🇰 CHINA HONG KONG43NT♥3+1+1
+2.8Round 13🇪🇬 EGYPT122♠♦K-1+4
+2.7Round 2🇨🇳 CHINA13♣♠K-2+6
+2.7Round 11🇮🇱 ISRAEL124♦♦5-1-5
+2.6Round 8🇭🇰 CHINA HONG KONG64♥♥3+1+1
+2.6Round 19🇸🇬 SINGAPORE44♠♦6+1+1
+2.5Round 16🇺🇸 USA 1144♠♣2+1+1
+2.4Round 4🇦🇺 AUSTRALIA134♥♣K=+3
+2.3Round 20🇨🇱 CHILE123♦xx♥6-1+8
+2.2Round 13🇪🇬 EGYPT84♠♣5+1+0
+2.2Round 21🇨🇴 COLOMBIA143NT♦K-2+5
+2.1Round 7🇹🇼 CHINESE TAIPEI113NT♥K+1+1
+2.1Round 7🇹🇼 CHINESE TAIPEI122♥♦5+1+1
+2.1Round 14🇮🇩 INDONESIA44♠♣A+1+4
+2.0Round 12🇨🇦 CANADA116♠♥K+1-11
+2.0Round 13🇪🇬 EGYPT23♠♦K-2+0
+2.0Round 15🇳🇱 NETHERLANDS122♥♣2-2-1
+2.0Round 19🇸🇬 SINGAPORE83♠♣K=+6
+1.9Round 21🇨🇴 COLOMBIA64♠♥9+1+1
+1.8Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♥♦6=+0
+1.8Round 10🇮🇹 ITALY61NT♠K-1+0
+1.8Round 20🇨🇱 CHILE134♠♠2+2+1
+1.7Round 2🇨🇳 CHINA104♥♠K-1+6
+1.7Round 8🇭🇰 CHINA HONG KONG83NT♥2+2+1
+1.7Round 9🇺🇸 USA 234♥♦10+1+1
+1.7Round 17🇫🇷 FRANCE84♠♦J-1-2
+1.7Round 19🇸🇬 SINGAPORE22♦♣6-2+5
+1.7Round 21🇨🇴 COLOMBIA23NT♥3+4+2
+1.6Round 6🇸🇪 SWEDEN114♠♥Q=+0
+1.6Round 12🇨🇦 CANADA133NT♠3+3-13
+1.6Round 21🇨🇴 COLOMBIA13♦♣Q-1+5
+1.5Round 8🇭🇰 CHINA HONG KONG134NT♠6+2-13
+1.4Round 10🇮🇹 ITALY84♥♦2+1+1
+1.4Round 10🇮🇹 ITALY141♠x♣10-3+2
+1.4Round 13🇪🇬 EGYPT104♥♠10=+0
+1.4Round 14🇮🇩 INDONESIA93NT♣5+1+1
+1.4Round 20🇨🇱 CHILE145♦♣7=+0
+1.4Round 21🇨🇴 COLOMBIA74♥♠2+1+0
+1.3Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♦5+2+2
+1.3Round 12🇨🇦 CANADA23NT♠8+2+0
+1.3Round 13🇪🇬 EGYPT51NT♣8+1+7
+1.2Round 4🇦🇺 AUSTRALIA62♠♣10+1+0
+1.2Round 10🇮🇹 ITALY32♠♦A=+0
+1.2Round 11🇮🇱 ISRAEL23NT♠8+2+1
+1.1Round 9🇺🇸 USA 214♥♣A+1+0
+1.1Round 12🇨🇦 CANADA42♦♥Q-2-10
+0.9Round 15🇳🇱 NETHERLANDS82NT♠8=+0
+0.9Round 17🇫🇷 FRANCE63NT♥Q-2+7
+0.9Round 17🇫🇷 FRANCE91NT♣3-2+1
+0.9Round 20🇨🇱 CHILE53♣♣6-3+1
+0.8Round 9🇺🇸 USA 2143NT♠Q+2+1
+0.8Round 10🇮🇹 ITALY124♠♥J+1+0
+0.8Round 17🇫🇷 FRANCE45♦♣A=-2
+0.8Round 21🇨🇴 COLOMBIA42♥♦J=-11
+0.7Round 20🇨🇱 CHILE43NT♦Q+2+1
+0.6Round 4🇦🇺 AUSTRALIA124♥♠10+1+0
+0.6Round 9🇺🇸 USA 253♥♣A-1-2
+0.6Round 17🇫🇷 FRANCE122♠♦7=+5
+0.5Round 13🇪🇬 EGYPT11NT♠3+1-7
+0.5Round 21🇨🇴 COLOMBIA34♠♦J+1+0
+0.4Round 17🇫🇷 FRANCE142♠♥2-3-6
+0.3Round 12🇨🇦 CANADA63♣♦J=+0
+0.3Round 16🇺🇸 USA 172♠♣K+1+10
+0.3Round 20🇨🇱 CHILE63NT♥9+2+0
+0.2Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♣♥K-2-5
+0.1Round 2🇨🇳 CHINA33NT♥K+2+0
+0.1Round 17🇫🇷 FRANCE14♥♠J=+0
+0.1Round 19🇸🇬 SINGAPORE102♥♣7+1+0
-0.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♣J=+3
+0.0Round 15🇳🇱 NETHERLANDS64♠♦J=-1
+0.0Round 17🇫🇷 FRANCE114♠♥3=+11
-0.1Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠♣K-1+5
-0.1Round 10🇮🇹 ITALY23♥♦A-1-10
-0.2Round 7🇹🇼 CHINESE TAIPEI86♠♦K=-11
-0.2Round 7🇹🇼 CHINESE TAIPEI132♥♣10=+1
-0.2Round 8🇭🇰 CHINA HONG KONG114♥♠3+1+0
-0.2Round 10🇮🇹 ITALY72♣♥Q=-5
-0.2Round 12🇨🇦 CANADA124♠♦4=+11
-0.2Round 16🇺🇸 USA 162♥♣4-1+2
-0.3Round 4🇦🇺 AUSTRALIA95♠♥4+2-12
-0.3Round 9🇺🇸 USA 2101NT♥5+1+1
-0.3Round 11🇮🇱 ISRAEL42♥♥3=+1
-0.3Round 11🇮🇱 ISRAEL134♠♠4=+0
-0.3Round 13🇪🇬 EGYPT33NT♥J=+1
-0.3Round 16🇺🇸 USA 184♠♦Q=+0
-0.3Round 20🇨🇱 CHILE24♠♥2+2-13
-0.3Round 21🇨🇴 COLOMBIA81NT♣6-1+4
-0.4Round 7🇹🇼 CHINESE TAIPEI44♠♣7+1+0
-0.5Round 17🇫🇷 FRANCE104♠♦3+1+0
-0.5Round 19🇸🇬 SINGAPORE114♥♦2+1+11
-0.6Round 15🇳🇱 NETHERLANDS74♥♦10+1+0
-0.7Round 11🇮🇱 ISRAEL106♠♣2=+0
-0.8Round 2🇨🇳 CHINA53♦♥J+1+0
-0.8Round 2🇨🇳 CHINA63NT♥9=-1
-0.8Round 7🇹🇼 CHINESE TAIPEI104♠♥Q-1+6
-1.0Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♠♥6+2-1
-1.0Round 7🇹🇼 CHINESE TAIPEI53♥♠Q=+0
-1.0Round 8🇭🇰 CHINA HONG KONG24♥♠3+1-1
-1.0Round 10🇮🇹 ITALY111NT♥6=+0
-1.0Round 12🇨🇦 CANADA74♠♠A-1+0
-1.1Round 2🇨🇳 CHINA84♥♣5+1+0
-1.1Round 4🇦🇺 AUSTRALIA114♥♣8+1-1
-1.1Round 6🇸🇪 SWEDEN22♣♥A+2+0
-1.2Round 14🇮🇩 INDONESIA141NT♥A=-5
-1.3Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND66♥x♦K-5+15
-1.3Round 8🇭🇰 CHINA HONG KONG122♥♠10=-5
-1.4Round 11🇮🇱 ISRAEL95♥♠Q=+0
-1.4Round 16🇺🇸 USA 1133NT♥A=+0
-1.7Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♥♠2-1+6
-1.7Round 4🇦🇺 AUSTRALIA22♦♥Q+2+0
-1.7Round 8🇭🇰 CHINA HONG KONG10Pass-3
-1.8Round 2🇨🇳 CHINA42♠♣2=-10
-1.8Round 7🇹🇼 CHINESE TAIPEI142♦♦A+1+0
-1.8Round 9🇺🇸 USA 242♥♠8+1-1
-1.9Round 17🇫🇷 FRANCE26♥♦7=+0
-2.0Round 10🇮🇹 ITALY103♦♠6-1+0
-2.0Round 14🇮🇩 INDONESIA72♥♦2=-10
-2.1Round 9🇺🇸 USA 282♦♣4+1+0
-2.1Round 14🇮🇩 INDONESIA102♠♥4=+0
-2.1Round 17🇫🇷 FRANCE52♣x♣9=-12
-2.2Round 4🇦🇺 AUSTRALIA71NT♣4=+1
-2.2Round 14🇮🇩 INDONESIA23NT♣5+2-2
-2.3Round 4🇦🇺 AUSTRALIA103NT♠K=+0
-2.3Round 15🇳🇱 NETHERLANDS51NT♦A-1+0
-2.5Round 6🇸🇪 SWEDEN35♦♠5-1-5
-2.6Round 11🇮🇱 ISRAEL116♦♠Q=+2
-2.7Round 10🇮🇹 ITALY42♦♥A-2-2
-2.7Round 16🇺🇸 USA 144♠♣6=+0
-2.7Round 21🇨🇴 COLOMBIA122♥♦9+2-2
-2.8Round 20🇨🇱 CHILE74♥♦K-1-6
-2.9Round 2🇨🇳 CHINA94♠♥4+1+0
-2.9Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♦3+1+0
-2.9Round 7🇹🇼 CHINESE TAIPEI74♥♦Q-1-6
-2.9Round 14🇮🇩 INDONESIA134♥♠4+1+0
-3.0Round 2🇨🇳 CHINA111NT♠5-2+0
-3.0Round 20🇨🇱 CHILE36♣♠Q=-12
-3.1Round 12🇨🇦 CANADA105♥♥5-1-12
-3.1Round 19🇸🇬 SINGAPORE143NT♥8=+0
-3.2Round 15🇳🇱 NETHERLANDS12♣x♥J-1-8
-3.2Round 16🇺🇸 USA 191♠♣Q+3+10
-3.5Round 9🇺🇸 USA 263♥♥5-1-4
-3.7Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♥6=+1
-3.7Round 16🇺🇸 USA 124♠♣5-1-12
-3.8Round 9🇺🇸 USA 2122♥♠K+2-8
-4.0Round 6🇸🇪 SWEDEN132♥♣5+1-1
-4.0Round 20🇨🇱 CHILE13NT♠3-2+0
-4.2Round 10🇮🇹 ITALY95♣♥5-1-5
-4.3Round 14🇮🇩 INDONESIA53NT♣10-1-6
-4.4Round 9🇺🇸 USA 2134♥♦K-2-8
-4.5Round 15🇳🇱 NETHERLANDS114♣♥A-2-5
-4.7Round 6🇸🇪 SWEDEN94♥♠A=-3
-4.8Round 4🇦🇺 AUSTRALIA83♥♥4=-7
-4.8Round 20🇨🇱 CHILE104♠♣Q+1-2
-4.9Round 6🇸🇪 SWEDEN64♥♠Q+1-4
-5.0Round 13🇪🇬 EGYPT93NT♦10-4+6
-5.2Round 9🇺🇸 USA 2112♦♠3-1-5
-5.3Round 3🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND111♥♠A=-6
-5.4Round 10🇮🇹 ITALY53NT♠8-2-8
-5.5Round 8🇭🇰 CHINA HONG KONG12♥♣8=-5
-6.0Round 2🇨🇳 CHINA143NT♠J-5-9
-6.2Round 12🇨🇦 CANADA54♠♠A=-7
-6.3Round 15🇳🇱 NETHERLANDS35♥♦A=-4
-6.3Round 15🇳🇱 NETHERLANDS103♥♠K+1-10
-6.3Round 19🇸🇬 SINGAPORE16♠♦3-1-14
-6.5Round 19🇸🇬 SINGAPORE75♠x♦A-3-7
-6.9Round 17🇫🇷 FRANCE73♠♦A+2-8
-7.1Round 2🇨🇳 CHINA74♠♣4=+0
-7.1Round 10🇮🇹 ITALY15♥♠J-1-4
-8.0Round 14🇮🇩 INDONESIA66NT♠5=+0
-8.3Round 15🇳🇱 NETHERLANDS24♠x♣3=-13
-8.3Round 17🇫🇷 FRANCE33NT♦10+3-14
-8.6Round 4🇦🇺 AUSTRALIA54♥♠10=-8
-8.8Round 13🇪🇬 EGYPT115♥x♦3=-8
-9.2Round 2🇨🇳 CHINA24♥♦Q-1-13
-9.7Round 4🇦🇺 AUSTRALIA46♥♠3-2-14
-9.7Round 19🇸🇬 SINGAPORE136♦♠3=+2
-9.8Round 16🇺🇸 USA 112Adj♦4-11
-12.3Round 15🇳🇱 NETHERLANDS43NT♣2-2-13
-13.8Round 16🇺🇸 USA 156NT♣4-1-17