🇵🇱 NIAJKO Slawomir · POLAND

7rank
+120.6Butler · 140 bds
+0.86per board
±3.9swing
+1.54vs par /bd · #1/115
+0.41adjusted /bd
Butler per round: 3.1 -2.7 2.2 27.3 58.6 -8.6 5.5 7.8 21.9 5.5by round

vs par split: bidding +0.69 · play +0.83

Strength of schedule: opponents averaged -0.45/bd (an easy draw) → opponent-adjusted +0.41/bd

Card play — on target: opening leads 83.3% #23 of 115 · declarer play 88.6% #2 of 115 · defence 89.2% #11 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads78.6% (14)86.4% (22)
Declarer play100.0% (8)85.2% (27)
Defence84.0% (25)92.5% (40)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 69.2% (13) · ♦ 90.9% (11) · ♣ 100.0% (6)

vs par by strain: NT +1.70 (43) · a suit +1.44 (96)

vs par by level: part-score +1.42 (48) · game +1.84 (83) · slam -1.25 (8)

By role: declaring +1.27/bd (-0.12 vs par · 75) · defending +0.39/bd (+3.45 vs par · 65)

By vulnerability: vulnerable +1.19/bd (+2.10 vs par · 70) · not vulnerable +0.54/bd (+0.97 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.BielawskiB.Szirmay-Kalos – K.LazarOpen14+3.1+0.22+1.21
Round 3M.BielawskiA.Edgtton – N.EdgttonOpen14-2.7-0.19-0.36
Round 6M.BielawskiZ.Wang – E.ZhouOpen14+2.2+0.16+1.93
Round 7M.BielawskiA.Koivu – O.KoivuClosed14+27.3+1.95+2.36
Round 9M.BielawskiM.Moji – K.MoletaClosed14+58.6+4.19+4.93
Round 11M.BielawskiK.Ellingsen – H.EideOpen14-8.6-0.61-1.21
Round 12M.BielawskiJ.Wang – Y.ChenClosed14+5.5+0.39+3.50
Round 15M.BielawskiW.Mamdouh – M.NashaatClosed14+7.8+0.56+2.36
Round 16M.BielawskiA.Argain – N.SengialiClosed14+21.9+1.56+0.86
Round 19M.BielawskiS.Mitra – SARKAR ANINDRAOpen14+5.5+0.39-0.21

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
+13.0Round 15🇪🇬 EGYPT133♦x♣4-4+14
+11.9Round 3🇦🇺 AUSTRALIA115♥♠3-4+15
+11.0Round 16🇦🇷 ARGENTINA223♥x♦A-3-5
+9.5Round 6🇺🇸 USA 2204♥♣6=+9
+9.0Round 7🇫🇮 FINLAND115♣♠7-1+11
+8.8Round 7🇫🇮 FINLAND124♥♠5-1+11
+8.7Round 9BOTSWANA44♥♣K=+13
+8.4Round 9BOTSWANA24♠♠A=+10
+8.0Round 2🇩🇪 GERMANY243NT♠4=+7
+7.8Round 15🇪🇬 EGYPT43NT♥7-2+13
+7.2Round 19🇮🇳 INDIA25♠♦K=+4
+6.5Round 7🇫🇮 FINLAND23NT♠10=+12
+6.5Round 9BOTSWANA36♣♠3=-2
+6.4Round 9BOTSWANA12♠♣4=+11
+5.9Round 9BOTSWANA83♦♠A-1+9
+5.3Round 9BOTSWANA114♥♠2+2+11
+5.3Round 9BOTSWANA124♠♥K+1+8
+4.9Round 6🇺🇸 USA 2215♦♣K=+3
+4.9Round 12🇹🇼 CHINESE TAIPEI152♠♠5+1+6
+4.8Round 6🇺🇸 USA 2233♠♥K+1+10
+4.6Round 16🇦🇷 ARGENTINA184♥♣5+2+14
+4.6Round 19🇮🇳 INDIA32♠♥K=+5
+4.6Round 19🇮🇳 INDIA65♦x♠A-1+5
+4.0Round 12🇹🇼 CHINESE TAIPEI184♠♥8+1+1
+3.8Round 16🇦🇷 ARGENTINA252♠♣A=+6
+3.2Round 12🇹🇼 CHINESE TAIPEI225♣x♦5-3+12
+3.1Round 9BOTSWANA143♠♦K-1+5
+3.0Round 3🇦🇺 AUSTRALIA14♠x♥K-1+5
+3.0Round 9BOTSWANA134♦♥A-2+2
+2.9Round 7🇫🇮 FINLAND33♦♥2+2+11
+2.9Round 12🇹🇼 CHINESE TAIPEI233NT♥2+2+4
+2.8Round 6🇺🇸 USA 2283NT♥3-1+5
+2.8Round 9BOTSWANA62♥♠2+2+2
+2.8Round 11🇳🇴 NORWAY45♦♥5=-1
+2.7Round 2🇩🇪 GERMANY264♥♣K-1+12
+2.7Round 12🇹🇼 CHINESE TAIPEI216♥♠A=+0
+2.5Round 16🇦🇷 ARGENTINA153NT♣J=-1
+2.5Round 19🇮🇳 INDIA41NT♥6=+5
+2.4Round 9BOTSWANA54♥♣J=+3
+2.3Round 7🇫🇮 FINLAND135♥♣2=+1
+2.3Round 15🇪🇬 EGYPT23NT♥3-1+5
+2.3Round 19🇮🇳 INDIA94♠♠J+3+2
+2.1Round 2🇩🇪 GERMANY223♦♣3+1+0
+1.9Round 2🇩🇪 GERMANY233NT♣7+1+0
+1.9Round 19🇮🇳 INDIA12♥♦7+3+6
+1.8Round 2🇩🇪 GERMANY192♠♥Q+2+1
+1.7Round 15🇪🇬 EGYPT63NT♥4+1+17
+1.6Round 11🇳🇴 NORWAY2Adj.♠6+4
+1.6Round 19🇮🇳 INDIA122NT♥K=+0
+1.5Round 3🇦🇺 AUSTRALIA23NT♥J-1+10
+1.5Round 16🇦🇷 ARGENTINA171NT♣6=+1
+1.4Round 7🇫🇮 FINLAND82♠♦3+2+2
+1.4Round 11🇳🇴 NORWAY63NT♥9-1+6
+1.4Round 12🇹🇼 CHINESE TAIPEI194♥♣7=+0
+1.4Round 15🇪🇬 EGYPT82♠♣2=+0
+1.4Round 16🇦🇷 ARGENTINA166NT♣9+1+1
+1.3Round 6🇺🇸 USA 2263NT♠5+1+0
+1.3Round 15🇪🇬 EGYPT52NT♣6-2+0
+1.2Round 11🇳🇴 NORWAY141NT♦3+1+0
+1.1Round 3🇦🇺 AUSTRALIA41NT♣5-1+0
+1.1Round 3🇦🇺 AUSTRALIA52♥♠9-1-2
+1.1Round 7🇫🇮 FINLAND74♥♦J+2+13
+1.1Round 12🇹🇼 CHINESE TAIPEI254♥♠5+2+1
+1.1Round 16🇦🇷 ARGENTINA204♥♠Q+2-13
+1.1Round 16🇦🇷 ARGENTINA232♠♠A=+6
+1.0Round 2🇩🇪 GERMANY161NT♥5=+1
+1.0Round 3🇦🇺 AUSTRALIA102♠♣J-2+2
+1.0Round 11🇳🇴 NORWAY33NT♣3+2+1
+0.9Round 3🇦🇺 AUSTRALIA34♥♦3+1+1
+0.9Round 6🇺🇸 USA 2224♥♦Q+1+0
+0.9Round 19🇮🇳 INDIA54♠♦9-2-8
+0.7Round 9BOTSWANA92♥♣3=+0
+0.7Round 16🇦🇷 ARGENTINA283NT♥K=+1
+0.6Round 6🇺🇸 USA 2154♠♦A+1+0
+0.6Round 9BOTSWANA103NT♥8+4-16
+0.6Round 16🇦🇷 ARGENTINA193♦♣A-2+1
+0.6Round 19🇮🇳 INDIA114♥♥A+1+0
+0.5Round 3🇦🇺 AUSTRALIA93♥♥5+1-6
+0.5Round 19🇮🇳 INDIA132♠♣3+1+1
+0.4Round 7🇫🇮 FINLAND54♠♣A-3-9
+0.4Round 12🇹🇼 CHINESE TAIPEI203NT♦2+1+12
+0.2Round 7🇫🇮 FINLAND106♥♣2=+0
+0.1Round 16🇦🇷 ARGENTINA274♥♣K+2+1
+0.0Round 2🇩🇪 GERMANY183♣♥A+2+6
+0.0Round 3🇦🇺 AUSTRALIA131NT♥2=-2
+0.0Round 11🇳🇴 NORWAY83NT♥5=+1
-0.0Round 15🇪🇬 EGYPT124♠♦Q+1+0
-0.1Round 11🇳🇴 NORWAY102♣♥T+1+0
-0.1Round 12🇹🇼 CHINESE TAIPEI263NT♥7+2+13
-0.2Round 7🇫🇮 FINLAND142NT♥5-1-5
-0.2Round 12🇹🇼 CHINESE TAIPEI274♠♥2=+11
-0.3Round 15🇪🇬 EGYPT114♥♥J=-1
-0.4Round 7🇫🇮 FINLAND94♠♥A=+0
-0.4Round 12🇹🇼 CHINESE TAIPEI162♠♦J+1+0
-0.5Round 7🇫🇮 FINLAND43♣♥3-2-3
-0.5Round 9BOTSWANA73NT♥2+2+13
-0.6Round 6🇺🇸 USA 2173NT♠K-1+4
-0.7Round 2🇩🇪 GERMANY213NT♦9+1+0
-0.7Round 3🇦🇺 AUSTRALIA83NT♦Q-1-5
-0.8Round 11🇳🇴 NORWAY12♣♥2=+1
-0.8Round 16🇦🇷 ARGENTINA243NT♠10=+0
-0.9Round 2🇩🇪 GERMANY204♥♠7-2-7
-0.9Round 2🇩🇪 GERMANY273♥♣J-4+5
-1.0Round 11🇳🇴 NORWAY73♦♥K+2-7
-1.1Round 15🇪🇬 EGYPT104♠♦T=+0
-1.2Round 3🇦🇺 AUSTRALIA65♦♠6-1-1
-1.2Round 11🇳🇴 NORWAY121NT♠T-1-3
-1.3Round 12🇹🇼 CHINESE TAIPEI175♣♠A+2-2
-1.6Round 6🇺🇸 USA 2254♠♠3+1+0
-1.6Round 15🇪🇬 EGYPT144♠♦K+3-2
-1.7Round 6🇺🇸 USA 2274NT♦7+1-11
-1.9Round 7🇫🇮 FINLAND64♠♣3-2-6
-2.2Round 2🇩🇪 GERMANY254♠♦K=+0
-2.2Round 2🇩🇪 GERMANY283NT♣5=+1
-2.2Round 11🇳🇴 NORWAY54♠♥K+1+0
-2.2Round 16🇦🇷 ARGENTINA263NT♥3+2-1
-2.3Round 7🇫🇮 FINLAND15♦♥A-2-5
-2.7Round 6🇺🇸 USA 2186♣♥3=+2
-2.8Round 6🇺🇸 USA 2194♠♥9=+0
-3.0Round 11🇳🇴 NORWAY132♠♠3+3-9
-3.3Round 15🇪🇬 EGYPT77♠♥Q=+0
-3.4Round 2🇩🇪 GERMANY174♥♠5+2-11
-3.4Round 15🇪🇬 EGYPT11NT♠3+3-6
-3.5Round 11🇳🇴 NORWAY113NT♥6+2-1
-3.5Round 16🇦🇷 ARGENTINA213♣♥A=+1
-3.7Round 6🇺🇸 USA 2163♦x♣A-1+5
-4.1Round 2🇩🇪 GERMANY156♣♠K+1+2
-4.5Round 19🇮🇳 INDIA104NT♦Q+1+0
-4.7Round 3🇦🇺 AUSTRALIA144♥♠7=-11
-4.8Round 11🇳🇴 NORWAY93♠♣K+1-9
-4.8Round 15🇪🇬 EGYPT33♠♥A-4-2
-5.2Round 15🇪🇬 EGYPT95♥x♦T=-5
-5.2Round 19🇮🇳 INDIA84♠♣2-1-10
-5.3Round 12🇹🇼 CHINESE TAIPEI243NT♠3-1-10
-5.6Round 3🇦🇺 AUSTRALIA123♠♥J=+2
-5.6Round 19🇮🇳 INDIA74♠x♣4-1-13
-5.9Round 19🇮🇳 INDIA143NT♦10+1+0
-7.8Round 12🇹🇼 CHINESE TAIPEI283NT♥A=+1
-9.5Round 6🇺🇸 USA 2244♠♦Q+1+0
-11.5Round 3🇦🇺 AUSTRALIA76♥♠K-2-13