PROKOPOWICZ Marcel · POLAND

41rank
+22.2Butler · 40 bds
+0.56per board
±5.0swing
-1.02vs par /bd · #115/144
+0.55adjusted /bd
Butler per round: 26.7 17.6 -0.4 -7 -14.7by round

vs par split: bidding -0.45 · play -0.57

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.55/bd

Card play — on target: opening leads 66.7% #122 of 144 · declarer play 64.3% #95 of 144 · defence 76.9% #92 of 144

Bidding activity — not a pass: 54.3% #6 of 144 (63/116)

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (1)80.0% (5)
Declarer play66.7% (3)63.6% (11)
Defence66.7% (3)80.0% (10)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 100.0% (1) · ♦ 75.0% (4)

vs par by strain: NT -3.00 (10) · a suit -0.37 (30)

vs par by level: part-score +0.68 (22) · game -2.60 (15) · slam -5.67 (3)

By role: declaring +1.04/bd (-2.30 vs par · 27) · defending -0.45/bd (+1.61 vs par · 13)

By vulnerability: vulnerable +0.92/bd (-2.06 vs par · 16) · not vulnerable +0.31/bd (-0.33 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.KisielewskiH.Liu – M.WangClosed8+26.7+3.34+3.00
Round 2K.KisielewskiA.Mazur – K.JurkiewiczClosed8+17.6+2.20-0.88
Round 4K.KisielewskiG.Szabo – Z.ZabradiOpen8-0.4-0.05+2.88
Round 6K.KisielewskiH.Lin – C.BaiOpen8-7.0-0.88-4.62
Round 9K.KisielewskiC.Lu – Z.LaiOpen8-14.7-1.84-5.50

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
+9.2Round 6RDFZ145♠♦A-1+10
+7.6Round 4CZE HUN266♠♠7=+0
+7.3Round 1CHINA SMZY SMOLEN253NT♦3=-1
+7.1Round 1CHINA SMZY SMOLEN233NTx♠T-1+2
+5.9Round 4CZE HUN215♣♥A-1+10
+5.4Round 2VERCO CKIS SKAWINA45♦♥A+2-13
+5.0Round 1CHINA SMZY SMOLEN242♠♥A-2+8
+4.8Round 2VERCO CKIS SKAWINA53♥♦4=+7
+4.1Round 1CHINA SMZY SMOLEN283♥♦5-1+10
+4.1Round 2VERCO CKIS SKAWINA14♥♠6+2+2
+4.1Round 4CZE HUN283♠♥9=+7
+3.9Round 2VERCO CKIS SKAWINA22NT♥5+3+7
+3.9Round 9CT U16122NT♥2+2+2
+2.9Round 1CHINA SMZY SMOLEN222♣♠T+1+0
+2.8Round 1CHINA SMZY SMOLEN214♠♥J=+0
+2.4Round 2VERCO CKIS SKAWINA32♠♥5+4-9
+2.1Round 4CZE HUN272♠♥2-1+5
+2.1Round 6RDFZ132♥♠5=+0
+1.5Round 2VERCO CKIS SKAWINA71NT♥2=-1
+1.2Round 9CT U16112♠♠T+1+7
+1.1Round 4CZE HUN253♠♣J-1-1
+0.7Round 4CZE HUN242♥♣2-1+8
+0.2Round 9CT U16132♠♥9+1-10
+0.1Round 1CHINA SMZY SMOLEN262♠♥4+2+10
+0.1Round 6RDFZ123NT♣5-1-4
-0.6Round 6RDFZ173♣♥6+1-7
-0.8Round 9CT U16151NT♦Q+1+0
-1.1Round 9CT U16174♣♦7-2-8
-1.9Round 6RDFZ114♠♦K-1-9
-2.0Round 2VERCO CKIS SKAWINA64♥♦K-1+1
-2.0Round 9CT U16143NT♥9+2-14
-2.5Round 2VERCO CKIS SKAWINA85♦♦2+2-1
-2.6Round 1CHINA SMZY SMOLEN272♠♥6-1-5
-4.6Round 6RDFZ153♣♥2-1-10
-4.7Round 6RDFZ182♠♣K-1-5
-5.2Round 4CZE HUN224♥♠2-1-6
-6.6Round 6RDFZ164♠♥J-1-12
-6.6Round 9CT U16166NT♦6-1-17
-9.5Round 9CT U16183NT♦T+1-4
-16.7Round 4CZE HUN237♠♦T=+0