🇵🇱 MACZKA Stanislaw · POLAND

43rank
+40.6Butler · 154 bds
+0.26per board
±4.2swing
+0.07vs par /bd · #53/99
+0.28adjusted /bd
Butler per round: 4.1 19.6 -10.9 29.6 -32.1 28.3 7.1 5.6 -6.9 3.2 -7by round

vs par split: bidding +0.19 · play -0.12

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.28/bd

Card play — on target: opening leads 81.2% #26 of 99 · declarer play 76.9% #36 of 99 · defence 79.8% #78 of 99

Card play by contract type — on target
vs NTvs a suit
Opening leads68.8% (16)87.5% (32)
Declarer play58.3% (12)85.2% (27)
Defence63.0% (27)87.7% (57)

Opening leads by suit led: ♠ 85.7% (14) · ♥ 70.0% (10) · ♦ 84.6% (13) · ♣ 81.8% (11)

vs par by strain: NT -0.49 (49) · a suit +0.33 (105)

vs par by level: part-score -0.30 (66) · game +0.34 (85) · slam +0.67 (3)

By role: declaring +0.88/bd (-1.50 vs par · 70) · defending -0.25/bd (+1.38 vs par · 84)

By vulnerability: vulnerable +0.43/bd (+0.09 vs par · 77) · not vulnerable +0.10/bd (+0.05 vs par · 77)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3L.TrendakA.Ezion – A.ZamirOpen14+4.1+0.29-0.93
Round 4L.TrendakC.Shi – C.ChenOpen14+19.6+1.40+0.79
Round 6L.TrendakM.Wu – A.LamOpen14-10.9-0.78-0.93
Round 7L.TrendakR.Giannotti – H.SalomaoOpen14+29.6+2.11+1.93
Round 8L.TrendakL.Stougie – M.StougieOpen14-32.1-2.29-2.21
Round 11L.TrendakV.Ildeikins – E.GavrilovaClosed14+28.3+2.02-0.57
Round 12L.TrendakF.Basoalto – N.DavilaOpen14+7.1+0.51-0.86
Round 14L.TrendakS.Bune – V.Todd-MoirOpen14+5.6+0.40+1.07
Round 15L.TrendakG.Yang – K.SiewClosed14-6.9-0.49+1.79
Round 16L.TrendakF.Chiarandini – A.GaiottiOpen14+3.2+0.23+2.21
Round 17L.TrendakS.Clementsson – A.SandinOpen14-7.0-0.50-1.50

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 4🇹🇼 CHINESE TAIPEI42♥x♦J=+13
+11.5Round 11🇱🇻 LATVIA136♥♦J=+0
+10.9Round 7🇧🇷 BRAZIL265♦x♦2-1+13
+9.5Round 6🇭🇰 CHINA HONG KONG105♠♥K+1+5
+9.4Round 7🇧🇷 BRAZIL164♠x♦6-2+9
+9.2Round 16🇮🇹 ITALY224♥♠6-3+14
+8.1Round 11🇱🇻 LATVIA124♥♦10+1+4
+7.4Round 3🇮🇱 ISRAEL23♣♦A-4+7
+7.1Round 17🇸🇪 SWEDEN134♠♠5=+0
+6.7Round 7🇧🇷 BRAZIL224♠♦9+3+14
+6.5Round 14🇩🇰 DENMARK194♥♦3-1+12
+6.2Round 12🇨🇱 CHILE175♦♠9=+0
+6.0Round 12🇨🇱 CHILE262♠♥J+2+10
+5.9Round 14🇩🇰 DENMARK183♣♣K=+6
+5.8Round 7🇧🇷 BRAZIL233NTx♣4=+12
+5.6Round 4🇹🇼 CHINESE TAIPEI93♥♠7-2+5
+5.5Round 3🇮🇱 ISRAEL83NT♥6=+0
+5.4Round 15🇸🇬 SINGAPORE52♦♥A-3+7
+5.1Round 3🇮🇱 ISRAEL74♠♥A+1+10
+5.1Round 15🇸🇬 SINGAPORE114♥♥Q-1+11
+4.9Round 11🇱🇻 LATVIA65♣♥K-1+6
+4.9Round 17🇸🇪 SWEDEN113♠♥5=+1
+4.8Round 7🇧🇷 BRAZIL214♠♥8=-9
+4.8Round 8🇳🇱 NETHERLANDS14♥♦Q-2+6
+4.3Round 11🇱🇻 LATVIA44♥♣4-2+7
+4.2Round 4🇹🇼 CHINESE TAIPEI54♥♠A-1+10
+4.1Round 8🇳🇱 NETHERLANDS74♠♠6+2+2
+3.9Round 12🇨🇱 CHILE233♥x♦3-2-4
+3.5Round 4🇹🇼 CHINESE TAIPEI121NT♣7-2+2
+3.5Round 12🇨🇱 CHILE163♠♣A=+0
+3.3Round 3🇮🇱 ISRAEL143♠♣10+2+6
+3.2Round 7🇧🇷 BRAZIL286♣♥Q+1+13
+3.2Round 14🇩🇰 DENMARK211NT♥4=+5
+3.1Round 12🇨🇱 CHILE191NT♦6=+5
+2.9Round 7🇧🇷 BRAZIL154♥♠A+1+0
+2.5Round 3🇮🇱 ISRAEL61♥♦9+1+0
+2.5Round 4🇹🇼 CHINESE TAIPEI132♥♥A-3-7
+2.5Round 8🇳🇱 NETHERLANDS91NT♣A+1+0
+2.5Round 14🇩🇰 DENMARK263NT♠4+2+1
+2.4Round 8🇳🇱 NETHERLANDS54♦♠8-1+4
+2.4Round 11🇱🇻 LATVIA83NT♠Q-1+5
+2.4Round 14🇩🇰 DENMARK243NT♠A+1+1
+2.3Round 6🇭🇰 CHINA HONG KONG113NTx♠9-1+6
+2.1Round 6🇭🇰 CHINA HONG KONG53NT♠5+1+0
+2.0Round 11🇱🇻 LATVIA101NTx♣3-1+2
+1.9Round 4🇹🇼 CHINESE TAIPEI73NT♥J=-1
+1.5Round 6🇭🇰 CHINA HONG KONG64♠♥2+1+0
+1.5Round 6🇭🇰 CHINA HONG KONG124♠♣4+2+1
+1.5Round 12🇨🇱 CHILE154♥♠6+1-13
+1.5Round 14🇩🇰 DENMARK161NT♥Q+2-7
+1.5Round 15🇸🇬 SINGAPORE15♣x♣4-3+2
+1.4Round 11🇱🇻 LATVIA22♥♥4+2-8
+1.3Round 15🇸🇬 SINGAPORE33♣♠K+1+10
+1.2Round 11🇱🇻 LATVIA74♥♣A+2-13
+1.2Round 11🇱🇻 LATVIA144♥♦J-1+5
+1.2Round 12🇨🇱 CHILE223♣♠J-1+0
+1.2Round 14🇩🇰 DENMARK254♠♦3+1+13
+1.2Round 17🇸🇪 SWEDEN83♥♠Q=+0
+1.2Round 17🇸🇪 SWEDEN91NT♦7=+0
+0.9Round 17🇸🇪 SWEDEN32♠♥3+2+6
+0.8Round 6🇭🇰 CHINA HONG KONG85♣♠4+1+1
+0.8Round 14🇩🇰 DENMARK173NT♠2=-1
+0.8Round 15🇸🇬 SINGAPORE134♥♠10=+3
+0.7Round 6🇭🇰 CHINA HONG KONG13NT♥3=-1
+0.7Round 12🇨🇱 CHILE271NT♣K+1+0
+0.6Round 4🇹🇼 CHINESE TAIPEI143♠♥J+1-4
+0.6Round 16🇮🇹 ITALY183♦♠3+1+0
+0.6Round 16🇮🇹 ITALY193NT♥2=+0
+0.5Round 3🇮🇱 ISRAEL14♥♦7+1-10
+0.5Round 16🇮🇹 ITALY283NT♣3+2+0
+0.5Round 17🇸🇪 SWEDEN22♥♠J-2+0
+0.4Round 12🇨🇱 CHILE251NT♠A=+1
+0.4Round 15🇸🇬 SINGAPORE102♦♦6+2+0
+0.3Round 12🇨🇱 CHILE212♠♦Q+1+0
+0.2Round 4🇹🇼 CHINESE TAIPEI83♥♣K-1+2
+0.2Round 16🇮🇹 ITALY264♠♥K+2+13
+0.1Round 3🇮🇱 ISRAEL42♥♦2+1+0
+0.1Round 7🇧🇷 BRAZIL182♥♦Q+1+0
+0.1Round 16🇮🇹 ITALY233NT♦A-1+5
+0.0Round 15🇸🇬 SINGAPORE44♥♦5+1+0
-0.0Round 17🇸🇪 SWEDEN143NT♠5+1-1
-0.2Round 11🇱🇻 LATVIA54♠♣Q=+0
-0.2Round 17🇸🇪 SWEDEN44♠♦Q+1-1
-0.3Round 6🇭🇰 CHINA HONG KONG43♥♦8+2-2
-0.4Round 4🇹🇼 CHINESE TAIPEI33NT♠3+1-1
-0.4Round 7🇧🇷 BRAZIL252♠x♣4-1-7
-0.4Round 15🇸🇬 SINGAPORE92♠♦7+2+8
-0.5Round 4🇹🇼 CHINESE TAIPEI21NT♠9=+1
-0.5Round 11🇱🇻 LATVIA33NT♠6+2+0
-0.5Round 11🇱🇻 LATVIA92♣♥A+2-7
-0.5Round 16🇮🇹 ITALY153♠♦10+1+7
-0.5Round 16🇮🇹 ITALY171NT♣8=+1
-0.5Round 17🇸🇪 SWEDEN13NT♠J=+1
-0.6Round 16🇮🇹 ITALY204♠♥K-1-6
-0.7Round 8🇳🇱 NETHERLANDS113NT♠A-2+6
-0.8Round 14🇩🇰 DENMARK273NT♥K=+0
-0.8Round 16🇮🇹 ITALY275♦x♠A-2+3
-0.9Round 7🇧🇷 BRAZIL272NT♣K=+1
-1.0Round 7🇧🇷 BRAZIL173NT♠6=-3
-1.0Round 8🇳🇱 NETHERLANDS62♥♦10-2+11
-1.1Round 4🇹🇼 CHINESE TAIPEI112♥♥J+1-1
-1.1Round 8🇳🇱 NETHERLANDS44♠♦Q=-1
-1.1Round 12🇨🇱 CHILE181NT♦A+1+0
-1.1Round 15🇸🇬 SINGAPORE124♠x♥A-3-4
-1.1Round 16🇮🇹 ITALY242♠♣8-3-13
-1.2Round 8🇳🇱 NETHERLANDS123NT♠A+2-2
-1.3Round 3🇮🇱 ISRAEL114♥♦2-2+1
-1.3Round 4🇹🇼 CHINESE TAIPEI63♦♣Q-1-5
-1.4Round 16🇮🇹 ITALY252NT♥6-2-5
-1.4Round 17🇸🇪 SWEDEN125♣♥9+1+1
-1.5Round 15🇸🇬 SINGAPORE23NT♦7+2+0
-1.5Round 16🇮🇹 ITALY163NT♥3=+1
-1.6Round 16🇮🇹 ITALY214♥♦4=+11
-1.8Round 3🇮🇱 ISRAEL101NT♠8-2-3
-1.8Round 17🇸🇪 SWEDEN54♥♣A=-8
-1.9Round 3🇮🇱 ISRAEL52♥♠J-1-5
-2.0Round 8🇳🇱 NETHERLANDS84♥♣6+1-1
-2.1Round 15🇸🇬 SINGAPORE73♦♥10+1+0
-2.1Round 15🇸🇬 SINGAPORE142♠♣A=+0
-2.2Round 6🇭🇰 CHINA HONG KONG72♥♣A-1-1
-2.2Round 14🇩🇰 DENMARK232♣♥Q=-5
-2.4Round 12🇨🇱 CHILE283NT♠3+1+0
-2.4Round 14🇩🇰 DENMARK204♥♥3=+0
-2.5Round 6🇭🇰 CHINA HONG KONG25♣♠K=+0
-2.6Round 4🇹🇼 CHINESE TAIPEI104♥♠2=+0
-2.6Round 7🇧🇷 BRAZIL192♣♦4+2-1
-2.6Round 14🇩🇰 DENMARK223NT♣4-1-10
-2.7Round 17🇸🇪 SWEDEN101NT♣4+1+1
-3.1Round 7🇧🇷 BRAZIL246♠♦6+1-11
-3.1Round 11🇱🇻 LATVIA13♦♣2=-5
-3.1Round 15🇸🇬 SINGAPORE83♣♦6+1-1
-3.2Round 14🇩🇰 DENMARK284♠♥6+1+0
-3.5Round 3🇮🇱 ISRAEL91NT♥5=-5
-3.5Round 8🇳🇱 NETHERLANDS23♣♠J-1-6
-3.6Round 3🇮🇱 ISRAEL34♥♣5=+0
-4.0Round 3🇮🇱 ISRAEL133♥♣Q-1-6
-4.0Round 6🇭🇰 CHINA HONG KONG31NT♠A+2-2
-4.2Round 3🇮🇱 ISRAEL123NT♣6+1-8
-4.4Round 11🇱🇻 LATVIA114♥♠4-1-4
-4.8Round 4🇹🇼 CHINESE TAIPEI13NT♣3-4-3
-5.8Round 8🇳🇱 NETHERLANDS33♠♦A=-7
-6.1Round 6🇭🇰 CHINA HONG KONG131NT♦4+2-10
-6.2Round 6🇭🇰 CHINA HONG KONG145♦x♠J=-3
-6.2Round 7🇧🇷 BRAZIL204♠x♣4=-4
-6.9Round 17🇸🇪 SWEDEN63NT♣4=-7
-7.2Round 14🇩🇰 DENMARK154♠♦8=+0
-7.8Round 12🇨🇱 CHILE244♠♦6-1-11
-8.0Round 6🇭🇰 CHINA HONG KONG94♠x♥K=-7
-8.0Round 8🇳🇱 NETHERLANDS103♣♠A+2-15
-8.4Round 12🇨🇱 CHILE203NT♠4=+0
-9.3Round 17🇸🇪 SWEDEN75♣♥Q+2-14
-9.4Round 8🇳🇱 NETHERLANDS144♥♦A=-11
-11.1Round 15🇸🇬 SINGAPORE63NTx♠2+2-11
-13.2Round 8🇳🇱 NETHERLANDS135♥x♠K-4-17