KWIECIEN Michal · POLAND Seniors

123rank
+52.1Butler · 130 bds
+0.40per board
±4.3swing
+0.88vs par /bd · #45/567
+0.24adjusted /bd
Butler per round: 15.8 3.7 0.4 -5.8 0.4 5.1 15.7 14.2 -1.9 -17.7 -13.2 15.4 20by round

vs par split: bidding +0.28 · play +0.61

Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted +0.24/bd

Card play — on target: opening leads 83.3% #193 of 567 · declarer play 73.5% #366 of 567 · defence 93.5% #6 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (12)91.7% (24)
Declarer play75.0% (12)72.7% (22)
Defence90.0% (20)95.2% (42)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 66.7% (9) · ♦ 100.0% (13) · ♣ 85.7% (7)

vs par by strain: NT +2.00 (40) · a suit +0.39 (90)

vs par by level: part-score +1.16 (50) · game +0.80 (75) · slam -0.60 (5)

By role: declaring +0.19/bd (-1.01 vs par · 68) · defending +0.63/bd (+2.97 vs par · 62)

By vulnerability: vulnerable +0.42/bd (+0.97 vs par · 68) · not vulnerable +0.38/bd (+0.79 vs par · 62)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2W.StarkowskiG.Tan – J.ChooClosed10+15.8+1.58+0.20
Round 3W.StarkowskiT.Chodchoy – T.JitngamkusolClosed10+3.7+0.37-0.50
Round 4W.StarkowskiH.Yu – Y.ZhangClosed10+0.4+0.04-0.40
Round 5W.StarkowskiW.Zhang – Y.WuClosed10-5.8-0.58-1.30
Round 7W.StarkowskiS.Yaisawang – M.YaisawangClosed10+0.4+0.04+1.90
Round 8W.StarkowskiW.Zhang – D.JiangClosed10+5.1+0.51+0.40
Round 9W.StarkowskiH.Kim – M.Di FrancoClosed10+15.7+1.57+4.80
Round 10W.StarkowskiP.Hollands – J.ThompsonClosed10+14.2+1.42+3.50
Round 11W.StarkowskiC.Baldysz – S.BaldyszClosed10-1.9-0.19-0.90
Round 12W.StarkowskiS.Shao – Y.WuClosed10-17.7-1.77-1.40
Round 13W.StarkowskiW.Huang – W.TianClosed10-13.2-1.32+0.50
Round 14W.StarkowskiS.Zhou – J.ShiClosed10+15.4+1.54+0.40
Round 15W.StarkowskiM.Sheng – Z.JiangClosed10+20.0+2.00+4.30

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
+13.9Round 15CANADA CHINA UNITED294♠x♥A=+15
+11.6Round 3BBC THAILAND233NT♦7+1+11
+9.9Round 15CANADA CHINA UNITED274♠♠A=+11
+9.6Round 10GINNAN53♠x♦3-2+12
+9.6Round 14WUHAN155♠x♦2-2+5
+8.9Round 2ITS MAGIC193NT♠2-3+9
+8.7Round 2ITS MAGIC153♠♦K+1+9
+8.5Round 11POLAND Women194♣♥K-1+12
+8.0Round 7BANGKOK MIND SPORT93NT♠2-1+16
+7.0Round 7BANGKOK MIND SPORT72♣♥8-2+7
+6.6Round 10GINNAN71NT♦2+2+10
+6.1Round 8ONE ESSENTIAL OF RED193NT♥Q=+0
+5.7Round 4METALLURGY FED43NT♠J+2+0
+5.7Round 5ZHEJIANG JINJIANG173NT♦5=+6
+5.2Round 3BBC THAILAND294♠♥J=+10
+5.2Round 11POLAND Women133NT♣J+1+10
+4.9Round 14WUHAN193NT♠5-3+5
+4.9Round 14WUHAN204♥♦A-2+2
+4.8Round 9SEOUL MIXED214♥♠J+1+1
+4.7Round 13CHANG HONG83NT♥J+3+10
+4.4Round 9SEOUL MIXED234♠♦5=+14
+4.1Round 12SHANGHAI GUHUA274♠♣J=+0
+3.8Round 2ITS MAGIC163NT♣6=+7
+3.6Round 8ONE ESSENTIAL OF RED124♥♦K+2+11
+3.6Round 9SEOUL MIXED274♥x♣6-2-3
+3.4Round 15CANADA CHINA UNITED233♦♠K-2+3
+3.3Round 2ITS MAGIC115♦♥2=-1
+3.3Round 9SEOUL MIXED305♠♦Q-2+11
+3.2Round 8ONE ESSENTIAL OF RED185♠♥Q=+0
+3.2Round 13CHANG HONG23♦♣Q-1+12
+2.9Round 13CHANG HONG73NT♥K+3+1
+2.8Round 15CANADA CHINA UNITED303NT♦4-1+5
+2.7Round 3BBC THAILAND214♥♠K=-1
+2.7Round 5ZHEJIANG JINJIANG122♥♣4-3+1
+2.7Round 14WUHAN184♥♠10=+3
+2.5Round 10GINNAN62♠♣9+1+0
+2.5Round 15CANADA CHINA UNITED283NT♥J+3+11
+2.3Round 8ONE ESSENTIAL OF RED133♠♦4-2+2
+2.3Round 10GINNAN102♠♦2+1+1
+2.3Round 11POLAND Women203♣♥Q-2+3
+2.2Round 4METALLURGY FED82♠♣10=+0
+2.2Round 11POLAND Women163♥♣5+1+1
+2.1Round 5ZHEJIANG JINJIANG141NT♦J+1+6
+1.9Round 8ONE ESSENTIAL OF RED163♥♣A=+6
+1.9Round 9SEOUL MIXED243♥♥3-2+5
+1.9Round 14WUHAN113NT♣10=-1
+1.7Round 9SEOUL MIXED254♥♦8+2+11
+1.3Round 12SHANGHAI GUHUA285♥♣3+1-11
+1.2Round 2ITS MAGIC182♥♣5-1+4
+1.0Round 2ITS MAGIC124♥♠8-2-9
+1.0Round 12SHANGHAI GUHUA243NT♥J-3+7
+1.0Round 12SHANGHAI GUHUA292♠♣5=+1
+0.9Round 7BANGKOK MIND SPORT22♠♣A-1-1
+0.7Round 4METALLURGY FED72♠♣K+1+0
+0.6Round 2ITS MAGIC143♦♥J=+5
+0.6Round 4METALLURGY FED34♥♠K+2+11
+0.6Round 11POLAND Women172♠♣8=-7
+0.5Round 10GINNAN34♣♥A=+7
+0.5Round 15CANADA CHINA UNITED253NT♣4+1+0
+0.4Round 4METALLURGY FED92♥♠A-1-5
+0.3Round 3BBC THAILAND304♥♦3+1+0
+0.3Round 4METALLURGY FED14♥♠K+1+0
+0.3Round 12SHANGHAI GUHUA232♥♥9+1+0
+0.2Round 11POLAND Women182♠♣8=+0
+0.2Round 15CANADA CHINA UNITED243NT♠4+2+0
+0.1Round 3BBC THAILAND223NT♣Q-1+5
+0.1Round 13CHANG HONG93NT♠6+1-1
-0.0Round 8ONE ESSENTIAL OF RED114♠♥K+1+0
+0.0Round 10GINNAN86NT♣6=+11
-0.2Round 5ZHEJIANG JINJIANG112♠♠5+1+0
-0.2Round 7BANGKOK MIND SPORT14♥♥9-1+2
-0.3Round 3BBC THAILAND245♦♥2=-2
-0.4Round 7BANGKOK MIND SPORT84♥♣8+1+10
-0.5Round 4METALLURGY FED54♠♥A=+0
-0.5Round 8ONE ESSENTIAL OF RED153NT♠2=-1
-0.5Round 9SEOUL MIXED263NT♥8+2+12
-0.5Round 14WUHAN141NT♣10=+1
-0.6Round 2ITS MAGIC131NT♦Q=+1
-0.6Round 5ZHEJIANG JINJIANG161NT♥3=-7
-0.6Round 13CHANG HONG63♥♥6+1+6
-0.7Round 4METALLURGY FED102♠♣A-1+0
-0.7Round 9SEOUL MIXED224♦♠4=+0
-0.8Round 7BANGKOK MIND SPORT53♣♦3=+0
-1.0Round 8ONE ESSENTIAL OF RED143NT♣5+1-1
-1.0Round 8ONE ESSENTIAL OF RED202NT♥2-1-5
-1.0Round 10GINNAN43♠♥3-1+1
-1.0Round 12SHANGHAI GUHUA212♠♦A=+0
-1.1Round 3BBC THAILAND265♥♠K+1-13
-1.2Round 9SEOUL MIXED284♥♦4-1-4
-1.3Round 5ZHEJIANG JINJIANG203♠♥10+1-1
-1.4Round 11POLAND Women124♥♦J=+0
-1.5Round 10GINNAN91NT♦9=-5
-1.5Round 14WUHAN124♠♥10+1-1
-1.5Round 14WUHAN164♠♥A-1-5
-1.6Round 5ZHEJIANG JINJIANG152♥♠A=-5
-1.6Round 9SEOUL MIXED292♠♥A+2+1
-1.7Round 5ZHEJIANG JINJIANG183NT♠9-1-6
-1.7Round 14WUHAN174♠♥5+1+0
-2.0Round 4METALLURGY FED63♥♦K-2-3
-2.1Round 10GINNAN13NT♣Q-1+1
-2.2Round 7BANGKOK MIND SPORT103♥♦7-1+1
-2.4Round 12SHANGHAI GUHUA226♣♦J=+2
-2.5Round 7BANGKOK MIND SPORT64♥♦3-3-3
-2.7Round 3BBC THAILAND273NT♣2+1-4
-2.7Round 10GINNAN24♠♥A=-3
-3.1Round 15CANADA CHINA UNITED214♥♠7-1-6
-3.4Round 14WUHAN131NT♣10=-5
-3.5Round 3BBC THAILAND253♦♦8=+0
-3.5Round 13CHANG HONG14♥♦Q=+0
-3.6Round 13CHANG HONG41NT♠6-1-5
-3.9Round 13CHANG HONG103♥x♠5-1-8
-4.0Round 12SHANGHAI GUHUA303♥♦3-3-7
-4.2Round 15CANADA CHINA UNITED263♥x♣A-2+4
-4.6Round 7BANGKOK MIND SPORT33NT♦10-2-6
-4.8Round 7BANGKOK MIND SPORT44♠x♦A-1-7
-5.0Round 5ZHEJIANG JINJIANG133NT♦8+1+0
-5.3Round 11POLAND Women145♣♣J-1-5
-5.4Round 2ITS MAGIC174♠♥A-2-11
-5.7Round 2ITS MAGIC204♠♥5-1-12
-5.7Round 13CHANG HONG54♥♥4-1+2
-5.9Round 5ZHEJIANG JINJIANG194♠♦4-3-7
-5.9Round 15CANADA CHINA UNITED223NT♠2=+0
-6.3Round 4METALLURGY FED26♥x♣K-1-7
-6.6Round 11POLAND Women154♥♣5-1-13
-6.8Round 13CHANG HONG34♠♥2-1-12
-7.1Round 12SHANGHAI GUHUA263NT♦6-2-8
-7.6Round 11POLAND Women113NTx♥5=-10
-8.6Round 3BBC THAILAND286♣♠Q-2-11
-9.5Round 8ONE ESSENTIAL OF RED174♠♥7=-8
-10.9Round 12SHANGHAI GUHUA257♦♣A=+2