🇵🇱 SOBCZAK Mateusz · POLAND

5rank
+123.1Butler · 140 bds
+0.88per board
±4.4swing
+1.28vs par /bd · #3/109
+0.72adjusted /bd
Butler per round: 21.7 17.8 6.7 40.8 -4.9 4.4 26.1 -4.7 0.6 14.6by round

vs par split: bidding +0.93 · play +0.35

Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted +0.72/bd

Card play — on target: opening leads 76.3% #69 of 109 · declarer play 69.7% #81 of 109 · defence 83.3% #62 of 109

Bidding activity — not a pass: 35.5% #104 of 109 (139/392)

Card play by contract type — on target
vs NTvs a suit
Opening leads53.8% (13)88.0% (25)
Declarer play54.5% (11)77.3% (22)
Defence73.1% (26)88.5% (52)

Opening leads by suit led: ♠ 40.0% (5) · ♥ 90.9% (11) · ♦ 84.6% (13) · ♣ 66.7% (9)

vs par by strain: NT +1.18 (44) · a suit +1.32 (96)

vs par by level: part-score +0.80 (54) · game +0.86 (73) · slam +5.62 (13)

By role: declaring +0.88/bd (-1.60 vs par · 62) · defending +0.88/bd (+3.56 vs par · 78)

By vulnerability: vulnerable +0.93/bd (+1.26 vs par · 70) · not vulnerable +0.83/bd (+1.30 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2J.PatreuhaT.Vidovic – M.GrguricClosed14+21.7+1.55+1.50
Round 3J.PatreuhaR.Retzler – A.OrdogClosed14+17.8+1.27+3.86
Round 5J.PatreuhaJ.Nakamaru-Pinder – A.MilneOpen14+6.7+0.48+0.50
Round 7J.PatreuhaS.Guzvica – M.SimicClosed14+40.8+2.91+1.29
Round 9J.PatreuhaH.Guo – K.LinOpen14-4.9-0.35-0.29
Round 10J.PatreuhaC.Zhu – K.JinClosed14+4.4+0.31+1.71
Round 12M.ChodackiM.Balodis – J.IlzinsOpen14+26.1+1.86+0.64
Round 13J.PatreuhaP.Coppens – M.ScholsClosed14-4.7-0.34+0.14
Round 16M.ChodackiS.Ng – L.FungOpen14+0.6+0.04+0.79
Round 19M.ChodackiZ.Ferov – D.LazarovClosed14+14.6+1.04+2.64

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
+11.8Round 12🇱🇻 LATVIA232♥x♥A-3+12
+9.9Round 9🇹🇼 CHINESE TAIPEI123♣♥5+1+11
+9.7Round 10🇨🇳 CHINA185♣x♠A-2+12
+9.4Round 19🇧🇬 BULGARIA53NT♦J=+10
+9.1Round 7🇷🇸 SERBIA54♥♠4=+11
+8.4Round 13🇳🇱 NETHERLANDS33NT♣6-1+10
+8.3Round 3🇷🇴 ROMANIA36♠♦J-1+11
+8.3Round 3🇷🇴 ROMANIA123♣♦T+3+15
+8.0Round 3🇷🇴 ROMANIA54♠♣T-2+8
+7.9Round 10🇨🇳 CHINA276♣♠9=+0
+7.9Round 13🇳🇱 NETHERLANDS53NT♥2=+7
+7.8Round 2🇭🇷 CROATIA264♥x♦A-1+12
+7.7Round 12🇱🇻 LATVIA167NT♦7=+0
+7.5Round 2🇭🇷 CROATIA226♥♠9-1+15
+7.1Round 7🇷🇸 SERBIA131NT♣8+2+10
+6.9Round 7🇷🇸 SERBIA34♠♥3=+8
+6.4Round 19🇧🇬 BULGARIA33♦♥4-1+6
+6.3Round 16🇭🇰 HONG KONG CHINA284♠x♥K=+5
+6.1Round 9🇹🇼 CHINESE TAIPEI93NTx♣K-1+6
+5.9Round 16🇭🇰 HONG KONG CHINA264♥♣J=+0
+5.7Round 12🇱🇻 LATVIA182♠♣T=+11
+5.3Round 10🇨🇳 CHINA173NT♦4-1+10
+4.9Round 2🇭🇷 CROATIA202♠♣Q+1+1
+4.9Round 19🇧🇬 BULGARIA74♠x♣6-1+2
+4.8Round 16🇭🇰 HONG KONG CHINA186NT♦6-3+12
+4.8Round 19🇧🇬 BULGARIA106NT♥4-2+13
+4.7Round 3🇷🇴 ROMANIA136♦♥J-1+17
+4.7Round 7🇷🇸 SERBIA122♥♠8=+6
+4.5Round 3🇷🇴 ROMANIA63NT♦6-2+6
+4.4Round 7🇷🇸 SERBIA23♠♥6-3-3
+4.3Round 9🇹🇼 CHINESE TAIPEI14♠♦K-1+5
+4.3Round 10🇨🇳 CHINA263♣♥4-1+5
+4.2Round 7🇷🇸 SERBIA84♠♥2-1+4
+3.9Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND71NTx♦A-1+2
+3.7Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND31NT♥8+2+1
+3.7Round 13🇳🇱 NETHERLANDS143♥♦6-1+4
+3.7Round 16🇭🇰 HONG KONG CHINA236NT♣9=+13
+3.6Round 3🇷🇴 ROMANIA43♥♠A-1+5
+3.5Round 7🇷🇸 SERBIA42♥♥7=+0
+3.4Round 9🇹🇼 CHINESE TAIPEI64♠♦T+1+0
+3.3Round 3🇷🇴 ROMANIA143♠x♦A-3+5
+3.3Round 12🇱🇻 LATVIA284♥♥7+1+0
+3.2Round 12🇱🇻 LATVIA153♠♥J-1+4
+3.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND113NT♦T+1+0
+2.9Round 7🇷🇸 SERBIA101NT♥5+1+1
+2.8Round 2🇭🇷 CROATIA274♠♦3=+0
+2.6Round 2🇭🇷 CROATIA192NT♠A+2+1
+2.6Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND64♥x♣2-1+6
+2.5Round 2🇭🇷 CROATIA171NT♣J=+0
+2.4Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND104♠♥9-1+12
+2.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND81NT♦A=+5
+2.2Round 7🇷🇸 SERBIA13♥♦4+1-4
+2.2Round 12🇱🇻 LATVIA223♠♥6=-7
+1.9Round 10🇨🇳 CHINA204♥♠A-1+9
+1.7Round 7🇷🇸 SERBIA62♥♣9-2-9
+1.7Round 7🇷🇸 SERBIA112♠♦A=-1
+1.6Round 2🇭🇷 CROATIA183NT♥2=+11
+1.5Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND54♠♦A=+0
+1.5Round 16🇭🇰 HONG KONG CHINA214♠♥2+2+1
+1.3Round 3🇷🇴 ROMANIA13♠♣3-2+0
+1.3Round 10🇨🇳 CHINA244♠♥A+2+11
+1.3Round 13🇳🇱 NETHERLANDS45♣♣T=+2
+1.1Round 7🇷🇸 SERBIA142♥♦9+1+0
+1.0Round 3🇷🇴 ROMANIA83NT♠Q+2+1
+1.0Round 12🇱🇻 LATVIA193♠♣6-1+6
+1.0Round 19🇧🇬 BULGARIA44♠♦Q+1+0
+0.8Round 9🇹🇼 CHINESE TAIPEI43♦♣7-1-1
+0.8Round 9🇹🇼 CHINESE TAIPEI84♥♦Q=-1
+0.5Round 2🇭🇷 CROATIA163NT♠5+4+15
+0.5Round 13🇳🇱 NETHERLANDS71NT♦3=-2
+0.4Round 12🇱🇻 LATVIA174♠♦5=+0
+0.4Round 13🇳🇱 NETHERLANDS13♦♥T-1+1
+0.4Round 19🇧🇬 BULGARIA23♦♣9=+0
+0.3Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND96♣♠J-2+0
+0.3Round 16🇭🇰 HONG KONG CHINA194♠♦Q=+1
+0.3Round 16🇭🇰 HONG KONG CHINA253♣♥9-1+5
+0.2Round 2🇭🇷 CROATIA243NT♥6+2+0
+0.2Round 2🇭🇷 CROATIA284♠♦6+2-13
+0.2Round 16🇭🇰 HONG KONG CHINA203NT♦8+2+0
+0.1Round 12🇱🇻 LATVIA214♠♦4=+1
+0.1Round 19🇧🇬 BULGARIA84♥♠5=-7
+0.1Round 19🇧🇬 BULGARIA132♠♥3+2+10
-0.0Round 9🇹🇼 CHINESE TAIPEI113NT♥T+1-10
+0.0Round 12🇱🇻 LATVIA204♥♠A+1+0
-0.1Round 2🇭🇷 CROATIA234♥♣K+2+13
-0.1Round 12🇱🇻 LATVIA242♣♥5=+1
-0.1Round 13🇳🇱 NETHERLANDS134♠♦A+1+0
-0.3Round 9🇹🇼 CHINESE TAIPEI133NT♠7+1-1
-0.3Round 19🇧🇬 BULGARIA124♠♦T+1+0
-0.4Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND13NT♥A=+0
-0.7Round 10🇨🇳 CHINA233NT♠T+1-1
-0.7Round 13🇳🇱 NETHERLANDS112♥♠2=-7
-0.7Round 19🇧🇬 BULGARIA14♠♦6+1+0
-0.9Round 10🇨🇳 CHINA253NT♣J+2-1
-0.9Round 16🇭🇰 HONG KONG CHINA275♦♥9=+2
-1.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND23NT♠Q-1-5
-1.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND42♠♦A+1+0
-1.4Round 2🇭🇷 CROATIA253NT♠3+1-10
-1.4Round 7🇷🇸 SERBIA93♠♥J-1-5
-1.6Round 16🇭🇰 HONG KONG CHINA171♠♦8+1-7
-1.7Round 12🇱🇻 LATVIA262♠♦A=-11
-1.7Round 19🇧🇬 BULGARIA62♥♠A=+10
-1.8Round 10🇨🇳 CHINA191NT♦4+3-1
-2.0Round 13🇳🇱 NETHERLANDS124♥♠T-1+6
-2.1Round 19🇧🇬 BULGARIA92NT♦4-2-5
-2.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND133NT♦7+2-13
-2.3Round 12🇱🇻 LATVIA277♣♥2=+2
-2.6Round 3🇷🇴 ROMANIA21♥x♦T=-2
-2.7Round 2🇭🇷 CROATIA214♣♥9-2-7
-2.7Round 9🇹🇼 CHINESE TAIPEI33NT♥6+2-1
-2.7Round 9🇹🇼 CHINESE TAIPEI143♠♥5=+7
-2.7Round 10🇨🇳 CHINA164♥♠J-1+1
-2.8Round 13🇳🇱 NETHERLANDS63♣x♣5-1-2
-2.8Round 16🇭🇰 HONG KONG CHINA243NT♠3+1+0
-2.9Round 10🇨🇳 CHINA154♥♣9-1-5
-2.9Round 10🇨🇳 CHINA284♠♦T-2+0
-3.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND143NT♠2+1-1
-3.2Round 13🇳🇱 NETHERLANDS104♥♥7-1-12
-3.3Round 19🇧🇬 BULGARIA112♠♥4+1+0
-3.4Round 3🇷🇴 ROMANIA116NT♥J=+0
-3.5Round 16🇭🇰 HONG KONG CHINA224♠♦5-1-5
-3.6Round 10🇨🇳 CHINA223♥♣8-2-3
-3.9Round 9🇹🇼 CHINESE TAIPEI104♠♦3=+0
-4.3Round 3🇷🇴 ROMANIA92♣♠9=-6
-4.3Round 13🇳🇱 NETHERLANDS23NT♥3-1-10
-4.4Round 19🇧🇬 BULGARIA143♠♣K+1-2
-4.7Round 2🇭🇷 CROATIA154♠♥7+2-17
-5.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND124♥♠A-2+0
-5.1Round 9🇹🇼 CHINESE TAIPEI72♦♠4+2-16
-5.1Round 16🇭🇰 HONG KONG CHINA152♠♣K=-6
-5.2Round 12🇱🇻 LATVIA253NT♦5+1-10
-6.1Round 3🇷🇴 ROMANIA74♠♥Q-1-6
-6.7Round 13🇳🇱 NETHERLANDS97♥♥2=+0
-7.1Round 13🇳🇱 NETHERLANDS83♦x♥T-4+5
-7.2Round 9🇹🇼 CHINESE TAIPEI25♠x♥9=-5
-7.3Round 7🇷🇸 SERBIA73NT♥2+1+0
-8.3Round 9🇹🇼 CHINESE TAIPEI53NT♥6=+2
-8.5Round 16🇭🇰 HONG KONG CHINA166♦♠8=-10
-8.8Round 3🇷🇴 ROMANIA103NT♣T+1+0
-10.5Round 10🇨🇳 CHINA213NT♦7+1-13