DUCZMALEWSKI Artur · KBS LEGIONOWO

72rank
-7.4Butler · 112 bds
-0.07per board
±4.5swing
+0.23vs par /bd · #41/120
-0.36adjusted /bd
Butler per round: 21.4 14.3 19.1 -22.9 -20 -5.4 -12.5 -1.4by round

vs par split: bidding +0.45 · play -0.21

Strength of schedule: opponents averaged -0.29/bd (an easy draw) → opponent-adjusted -0.36/bd

Card play — on target: opening leads 100.0% #1 of 120 · declarer play 69.2% #103 of 120 · defence 81.4% #89 of 120

Bidding activity — not a pass: 32.7% #119 of 120 (98/300)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (5)100.0% (27)
Declarer play50.0% (8)77.8% (18)
Defence90.9% (11)79.2% (48)

Opening leads by suit led: ♠ 100.0% (8) · ♥ 100.0% (12) · ♦ 100.0% (7) · ♣ 100.0% (5)

vs par by strain: NT +1.71 (21) · a suit -0.11 (91)

vs par by level: part-score +0.15 (47) · game +0.09 (59) · slam +2.33 (6)

By role: declaring +0.01/bd (-2.75 vs par · 53) · defending -0.14/bd (+2.92 vs par · 59)

By vulnerability: vulnerable +0.50/bd (+0.45 vs par · 56) · not vulnerable -0.63/bd (+0.02 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.SawickaN.Silverman – G.CohlerClosed14+21.4+1.53-1.14
Round 2M.SawickaM.Schneider – G.SmykallaClosed14+14.3+1.02+1.71
Round 5M.SawickaP.Zubiel – M.SzalewiczClosed14+19.1+1.36+0.21
Round 6M.SawickaC.Berendregt – P.IjsselmuidenClosed14-22.9-1.64-0.64
Round 7M.SawickaJ.Liu – H.LiuClosed14-20.0-1.43-1.86
Round 9M.SawickaS.Walerowicz – K.SikorskiClosed14-5.4-0.39+1.00
Round 11M.SawickaA.Bacik – L.NiemiecClosed14-12.5-0.89-0.71
Round 12M.SawickaA.De Mel – K.RamaratnamClosed14-1.4-0.10+3.29

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
+9.8Round 1WOLFSON143NT♣T-2+11
+9.7Round 6VALLON276♣♠4-1+11
+9.0Round 1WOLFSON74♠x♥7=+11
+7.6Round 1WOLFSON84♥♣A=+8
+7.1Round 2MUNICH PLUS252♣x♣T+1+5
+7.0Round 5PKB THERM44♥♣6=+0
+6.8Round 5PKB THERM86NT♠6-2+14
+6.3Round 7BEIJING GLOBAL75♦♥8+2+14
+6.2Round 2MUNICH PLUS235♣♦3+2+17
+6.1Round 9MAGIC94♥♣K=+3
+6.0Round 2MUNICH PLUS183NT♦4=+10
+5.7Round 7BEIJING GLOBAL63♥♦A+1+6
+5.6Round 1WOLFSON24♠♥A+2-3
+5.0Round 11LECH144♠x♣A-2+5
+4.9Round 12OMEGA244♠♣7+2+11
+4.5Round 5PKB THERM74♥♣4+2-9
+4.4Round 5PKB THERM134♠♣T+3-12
+4.3Round 7BEIJING GLOBAL14♥♠2-1+10
+4.0Round 2MUNICH PLUS192NT♠6=-7
+4.0Round 5PKB THERM143♣♥J-1+4
+4.0Round 11LECH123♦♠A+1+1
+4.0Round 12OMEGA155♦♠J-1+5
+3.9Round 2MUNICH PLUS243♥♣J=+6
+3.8Round 2MUNICH PLUS223NT♥6+2-11
+3.4Round 11LECH42♥♥A=+6
+3.3Round 5PKB THERM122♠♦A+1+1
+3.1Round 12OMEGA263♠♦A-2+2
+3.0Round 1WOLFSON124♥♣A+1+0
+3.0Round 6VALLON214♥♠A-1+5
+3.0Round 11LECH113♣♦A=+5
+2.7Round 1WOLFSON134♠x♥A+3-13
+2.6Round 9MAGIC53♥♦A-1+5
+2.5Round 1WOLFSON43♠♥5=+0
+2.4Round 9MAGIC83NT♥K-1+5
+2.4Round 9MAGIC101♥♠5+3+1
+2.3Round 5PKB THERM13♥♦K-1+4
+2.3Round 7BEIJING GLOBAL144♠♥9-2+5
+2.2Round 6VALLON185♣♦9-2+6
+2.0Round 12OMEGA273♠♣4-2+0
+1.7Round 7BEIJING GLOBAL52♥♣A=+0
+1.6Round 2MUNICH PLUS264♠♥T-1+6
+1.6Round 9MAGIC114♥♦5=-1
+1.6Round 12OMEGA203♠♣9+1+10
+1.2Round 1WOLFSON112NT♥2=+7
+1.2Round 11LECH94♦♠Q-3+8
+1.0Round 9MAGIC33♦♠A-1-2
+0.8Round 1WOLFSON52♠♦Q=-1
+0.8Round 2MUNICH PLUS204♠♦K+2-1
+0.7Round 9MAGIC64♥♠K+2+11
+0.4Round 1WOLFSON14♥♠6+3-10
+0.4Round 5PKB THERM101NT♣A+3+10
+0.3Round 12OMEGA192♠♦Q=-1
+0.1Round 7BEIJING GLOBAL93NT♥4+3-13
+0.1Round 7BEIJING GLOBAL136♥♥4+1-13
+0.0Round 5PKB THERM113NT♥8+1+0
+0.0Round 11LECH13♠♠7+1-1
-0.1Round 11LECH131NT♦Q=+0
-0.2Round 9MAGIC143♠♥5+1+2
-0.3Round 1WOLFSON104♥♠A+1+0
-0.3Round 5PKB THERM23NT♥2=+0
-0.3Round 12OMEGA233NT♠2+2+13
-0.4Round 5PKB THERM91♠♦6+1-7
-0.5Round 12OMEGA253♣♣3-1+2
-0.6Round 6VALLON284♠♥6=+11
-0.7Round 6VALLON164♥♦8=+0
-0.7Round 9MAGIC121NT♠T+2+4
-0.7Round 12OMEGA183♣♥Q+1+0
-0.8Round 6VALLON253NT♦T+1-1
-0.8Round 11LECH73NT♣7+2+0
-1.0Round 2MUNICH PLUS173NT♠6+2+11
-1.1Round 12OMEGA213♦♣K+1+0
-1.2Round 2MUNICH PLUS284♥♣2=+1
-1.2Round 7BEIJING GLOBAL21NT♣5+1+0
-1.3Round 2MUNICH PLUS274♥♣4+1+0
-1.3Round 9MAGIC42♠♦5+1+0
-1.6Round 1WOLFSON93♠♥A+1-6
-1.6Round 2MUNICH PLUS152♥♠8=+1
-1.8Round 6VALLON174♠♥A=-3
-1.8Round 7BEIJING GLOBAL31♠♣5+1+1
-1.8Round 11LECH104♠♥K-1-6
-1.9Round 11LECH52♥♠J+1+0
-2.3Round 5PKB THERM53♥♦J-1-5
-2.3Round 12OMEGA284♥♣7+2-2
-2.7Round 7BEIJING GLOBAL103NT♠9+2+0
-3.0Round 5PKB THERM34♠♥6=+13
-3.0Round 9MAGIC14♠♥Q-1-4
-3.3Round 6VALLON152♥♦5+1-6
-3.3Round 11LECH22♠♠6+2-2
-3.7Round 12OMEGA166♣♥K=+1
-4.0Round 6VALLON264♠♦8=+0
-4.0Round 9MAGIC24♠♥9=+0
-4.2Round 6VALLON203NT♥6-1-6
-4.2Round 12OMEGA224♠♣A-2-6
-4.3Round 6VALLON224♥♠4-1-5
-4.3Round 11LECH83♥♠K+1-4
-4.5Round 12OMEGA176♣♥A+1+11
-4.6Round 9MAGIC133♠♣6+1-10
-4.9Round 6VALLON192♣♠3+2-7
-5.8Round 6VALLON232♥♣A-3-5
-6.0Round 7BEIJING GLOBAL83♥♣7+1-6
-6.5Round 7BEIJING GLOBAL113NT♥J-2-11
-6.6Round 2MUNICH PLUS163♦♠2-3-2
-7.4Round 2MUNICH PLUS213♦♣A=-12
-7.4Round 6VALLON244♠x♥A+1-9
-7.6Round 5PKB THERM66♦♥4-1-10
-7.8Round 11LECH64♠♦J=-11
-8.4Round 9MAGIC74♠♦2=+0
-9.1Round 1WOLFSON64♥♣A-1-10
-9.1Round 11LECH34♥♠A+1-11
-10.2Round 1WOLFSON34♠♦2-1-10
-11.0Round 7BEIJING GLOBAL124♠♥K=-13
-11.3Round 7BEIJING GLOBAL44♠♥8-1-6