🇵🇱 SAKOWSKA Natalia · Poland

22rank
+35.4Butler · 140 bds
+0.25per board
±4.9swing
+0.59vs par /bd · #12/55
+0.38adjusted /bd
Butler per round: -1 41.5 45.3 -2.1 -31.7 -28.9 12.3by round

vs par split: bidding +0.62 · play +0.18

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +0.38/bd

Card play — on target: opening leads 82.1% #28 of 55 · declarer play 75.0% #24 of 55 · defence 88.7% #11 of 55

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (8)85.0% (20)
Declarer play85.7% (7)72.0% (25)
Defence75.0% (12)92.7% (41)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 77.8% (9) · ♦ 100.0% (4) · ♣ 88.9% (9)

vs par by strain: NT -0.19 (26) · a suit +0.76 (114)

vs par by level: part-score +1.04 (53) · game +0.73 (79) · slam -3.88 (8)

By role: declaring +0.61/bd (-1.41 vs par · 76) · defending -0.18/bd (+2.95 vs par · 64)

By vulnerability: vulnerable +1.04/bd (+0.47 vs par · 70) · not vulnerable -0.53/bd (+0.70 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.KrawczykG.Cavusoglu – E.ErogulOpen20-1.0-0.05-0.75
Round 3J.KrawczykS.Buus Thomsen – A.EgeClosed20+41.5+2.08+3.35
Round 4J.KrawczykL.Macdougall – A.KayeOpen20+45.3+2.26+3.50
Round 5J.KrawczykK.Nedlich – F.AnderssonClosed20-2.1-0.11-0.05
Round 7J.KrawczykA.Asulin – H.LeviClosed20-31.7-1.58-1.05
Round 9J.KrawczykA.Turion-Dekker – R.BarendregtClosed20-28.9-1.44-1.65
Round 10J.KrawczykC.Giampietro – M.BoeckerOpen20+12.3+0.61+0.75

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
+13.2Round 3🇩🇰 Denmark196♠♦5=+13
+10.7Round 3🇩🇰 Denmark164♠♥2+1+1
+10.7Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England194♠♥10=+0
+10.6Round 3🇩🇰 Denmark94♠♦A=+8
+10.6Round 5🇸🇪 Sweden164♠x♠2=+10
+10.3Round 1🇹🇷 Turkey205♦-1+19
+10.0Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England173NT♠4+2+2
+9.2Round 10🇩🇪 Germany64♠x♣4-4+5
+9.2Round 10🇩🇪 Germany133NT♥6=+9
+8.9Round 9🇳🇱 Netherlands154♠♥2=+1
+8.5Round 10🇩🇪 Germany43NT♠10-2+13
+7.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England115♣♥4+1+0
+6.5Round 3🇩🇰 Denmark204♠♦6=+0
+5.6Round 5🇸🇪 Sweden83♣x♣2-2-3
+5.5Round 1🇹🇷 Turkey172♠x-2-3
+5.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England93NT♥4-1+10
+5.0Round 3🇩🇰 Denmark183♦♣K+2+1
+5.0Round 10🇩🇪 Germany154♠♦9-1+5
+4.7Round 1🇹🇷 Turkey74♠+1+0
+4.7Round 7🇮🇱 Israel184♥♠3-1+5
+4.7Round 10🇩🇪 Germany83NT♠3+2+1
+4.5Round 3🇩🇰 Denmark141NT♥5=+6
+4.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England34♠♥Q-1+8
+4.3Round 7🇮🇱 Israel43♥x♣Q-1+10
+4.2Round 1🇹🇷 Turkey125♥+1-9
+4.1Round 1🇹🇷 Turkey106♠=-13
+4.1Round 3🇩🇰 Denmark36♣♥J-1+11
+3.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England104♥♠K-1-1
+3.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England132♠♠J=+6
+3.5Round 5🇸🇪 Sweden61NT♠4+1+0
+3.2Round 1🇹🇷 Turkey92♥=+0
+3.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England124♥♣J-1+12
+3.2Round 5🇸🇪 Sweden95♦♣A-4+7
+3.2Round 10🇩🇪 Germany143♠♠6-1+5
+3.1Round 9🇳🇱 Netherlands84♠x♥8-1+5
+3.0Round 10🇩🇪 Germany125♥x♠A-1+2
+2.9Round 1🇹🇷 Turkey184♥+1+1
+2.9Round 5🇸🇪 Sweden43NT♥J-1-6
+2.6Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England12♥♥3-1+4
+2.6Round 5🇸🇪 Sweden72♥♦7=+0
+2.5Round 7🇮🇱 Israel124♠♠10=-1
+2.5Round 9🇳🇱 Netherlands74♥♠K+2+1
+2.4Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England204♥♦J+1+4
+2.4Round 9🇳🇱 Netherlands132NT♣6-1+6
+2.3Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England83♥♦A-2+6
+2.2Round 3🇩🇰 Denmark72♠♠9=+11
+2.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England163♣♠4-1+4
+2.2Round 5🇸🇪 Sweden23NT♣2=+0
+2.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England72♠♣9=+0
+2.1Round 5🇸🇪 Sweden204♦♥5=+0
+2.1Round 7🇮🇱 Israel33♣♦7=+6
+1.9Round 5🇸🇪 Sweden34♥♥6=+0
+1.9Round 9🇳🇱 Netherlands52♠♥K=+0
+1.9Round 10🇩🇪 Germany53♥♦A-1+2
+1.7Round 5🇸🇪 Sweden104♠♥9=+0
+1.6Round 1🇹🇷 Turkey45♣+1+13
+1.6Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England53NT♥3-3+9
+1.5Round 3🇩🇰 Denmark63NT♦6=+1
+1.4Round 7🇮🇱 Israel75♦♣K+2-16
+1.3Round 3🇩🇰 Denmark14♥♦K-1+9
+1.2Round 1🇹🇷 Turkey13♥-1-2
+1.2Round 10🇩🇪 Germany35♣x♠K-3+0
+1.0Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England154♥♦K+2+17
+0.9Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England144♥♠K+1-10
+0.9Round 10🇩🇪 Germany104♥♣Q+1+0
+0.7Round 9🇳🇱 Netherlands22NT♠5=-1
+0.7Round 9🇳🇱 Netherlands113♦♣A=-1
+0.6Round 3🇩🇰 Denmark44♦♦4=+9
+0.5Round 1🇹🇷 Turkey113♥-1+10
+0.5Round 9🇳🇱 Netherlands15♣♦A-1+6
+0.5Round 10🇩🇪 Germany182♠♥Q-2+2
+0.4Round 1🇹🇷 Turkey24♥+1+4
+0.4Round 7🇮🇱 Israel204♥♦A+1+0
+0.2Round 1🇹🇷 Turkey32♥-1+2
+0.2Round 5🇸🇪 Sweden134♠♣3=+0
+0.2Round 10🇩🇪 Germany22♥♣J-1+2
+0.1Round 3🇩🇰 Denmark124♠♦K+1+13
-0.2Round 7🇮🇱 Israel93NT♠7+1+0
-0.2Round 9🇳🇱 Netherlands93♣♥9=+1
-0.4Round 7🇮🇱 Israel162♥♣K-1+0
-0.5Round 3🇩🇰 Denmark154♠♦2=+0
-0.5Round 7🇮🇱 Israel62♥♣5+2+6
-0.6Round 9🇳🇱 Netherlands32♠♠7+1+7
-0.6Round 10🇩🇪 Germany164♥♥6+1+0
-0.7Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England24♥♥A=+7
-0.8Round 9🇳🇱 Netherlands202♠♥Q+1+0
-1.0Round 1🇹🇷 Turkey53♥-2-11
-1.0Round 1🇹🇷 Turkey64♥=+0
-1.1Round 3🇩🇰 Denmark132♠♣A-1+0
-1.3Round 10🇩🇪 Germany174♦♥A+1+4
-1.4Round 3🇩🇰 Denmark53NT♠3-1-5
-1.4Round 5🇸🇪 Sweden145♣x♥A-1+6
-1.5Round 7🇮🇱 Israel102♦♠K+1-1
-1.5Round 7🇮🇱 Israel173♦♠K-1-4
-1.8Round 7🇮🇱 Israel132♠♦K=-1
-1.9Round 5🇸🇪 Sweden184♠♣A-1-5
-2.2Round 3🇩🇰 Denmark24♥♠6=-3
-2.3Round 7🇮🇱 Israel144♠♥8+1-1
-2.4Round 7🇮🇱 Israel53♥♥9=-7
-2.5Round 1🇹🇷 Turkey84♠+1+0
-2.5Round 3🇩🇰 Denmark112♥♥5+1+7
-2.5Round 9🇳🇱 Netherlands165♥♠K-1-5
-2.5Round 10🇩🇪 Germany13NT♠10+3-1
-2.6Round 5🇸🇪 Sweden112♠♣J=+1
-2.6Round 7🇮🇱 Israel24♠♠J+1+0
-2.6Round 9🇳🇱 Netherlands102♦♣4-1-5
-2.7Round 10🇩🇪 Germany74♥♣A-1+3
-2.9Round 7🇮🇱 Israel13♦♠A-1+2
-3.0Round 5🇸🇪 Sweden53NT♣2+1+0
-3.0Round 9🇳🇱 Netherlands143NT♣8-3-2
-3.3Round 3🇩🇰 Denmark174♠♠7=+0
-3.3Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England64♥♣4-2-7
-3.4Round 5🇸🇪 Sweden192♠♣K-1-5
-3.5Round 3🇩🇰 Denmark84♠♣10-1-10
-3.5Round 5🇸🇪 Sweden12♦♥A-1+2
-3.5Round 10🇩🇪 Germany193NT♠J+3-1
-3.6Round 7🇮🇱 Israel112♥♣3+1+7
-3.9Round 9🇳🇱 Netherlands174♥♦Q=-3
-4.3Round 3🇩🇰 Denmark103♦♥4-1-5
-4.3Round 9🇳🇱 Netherlands61NT♠6=-5
-4.5Round 1🇹🇷 Turkey143♥=-6
-4.5Round 1🇹🇷 Turkey152NT-2-7
-5.0Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England183♣♠3=+0
-5.0Round 10🇩🇪 Germany116♠♠10-1-11
-5.1Round 9🇳🇱 Netherlands183NT♥4-2-11
-5.6Round 7🇮🇱 Israel153NT♥3=-3
-6.3Round 5🇸🇪 Sweden174♠♥K-1-5
-6.4Round 5🇸🇪 Sweden156♥♠7=+11
-7.3Round 7🇮🇱 Israel83NT♣J=-6
-7.5Round 1🇹🇷 Turkey165♦+1+5
-7.7Round 9🇳🇱 Netherlands123NT♦5+1-1
-8.5Round 1🇹🇷 Turkey132♣x=-7
-8.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 England44♥♣4+1-1
-8.5Round 9🇳🇱 Netherlands193NT♠5-1-13
-9.8Round 10🇩🇪 Germany94♠♥Q-5-12
-9.8Round 10🇩🇪 Germany204♥♦6-1-13
-10.1Round 5🇸🇪 Sweden127♥♣3-2-14
-10.3Round 1🇹🇷 Turkey196♠-1-11
-10.4Round 9🇳🇱 Netherlands44♠♣2-2-13
-14.5Round 7🇮🇱 Israel197♣x♠10-1-17