🇨🇭 PIEDRA Fernando · SWITZERLAND

43rank
-5.7Butler · 64 bds
-0.09per board
±4.4swing
+0.91vs par /bd
-0.21adjusted /bd
Butler per round: -5.7 -5.7 -5.7 -5.7by round

vs par split: bidding +1.20 · play -0.30

Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted -0.21/bd

Card play — on target: opening leads 82.4% · declarer play 68.8% · defence 91.2%

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)91.7% (12)
Declarer play75.0% (4)66.7% (12)
Defence100.0% (9)88.0% (25)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (2) · ♦ 87.5% (8) · ♣ 75.0% (4)

vs par by strain: NT +2.18 (17) · a suit +0.45 (47)

vs par by level: part-score +1.89 (27) · game +0.58 (33) · slam -3.00 (4)

By role: declaring -1.34/bd (-2.47 vs par · 30) · defending +1.02/bd (+3.88 vs par · 34)

By vulnerability: vulnerable +0.70/bd (+1.75 vs par · 32) · not vulnerable -0.88/bd (+0.06 vs par · 32)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16B.IglaK.Jassem – M.MazurkiewiczClosed16+0.5+0.03+0.31
Round of 16B.IglaK.Jassem – M.MazurkiewiczClosed16+22.9+1.43+0.38
Round of 16B.IglaP.Gawrys – M.KlukowskiOpen16-2.2-0.14+2.00
Round of 16B.IglaP.Gawrys – M.KlukowskiOpen16-26.9-1.68+0.94

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
+11.6Round of 16🇵🇱 POLAND187NT♣5=+0
+9.7Round of 16🇵🇱 POLAND113NT♣Q-2+11
+9.3Round of 16🇵🇱 POLAND396♣♦K+1+13
+9.2Round of 16🇵🇱 POLAND233NT♥2=+10
+7.8Round of 16🇵🇱 POLAND33♠♦5-3+13
+5.8Round of 16🇵🇱 POLAND643♦♠A+1+13
+4.7Round of 16🇵🇱 POLAND362NT♣4-1+6
+4.5Round of 16🇵🇱 POLAND352♥♣A=+6
+3.7Round of 16🇵🇱 POLAND284♥x♣A-1+6
+3.5Round of 16🇵🇱 POLAND214♥♦2-2+5
+3.3Round of 16🇵🇱 POLAND221NT♥10+1+10
+3.2Round of 16🇵🇱 POLAND154♥♦Q-1+5
+2.8Round of 16🇵🇱 POLAND201♦♦2-1+11
+2.5Round of 16🇵🇱 POLAND521♠♥10+3+10
+2.3Round of 16🇵🇱 POLAND503NT♥3=-1
+2.1Round of 16🇵🇱 POLAND382♦♠Q+1+7
+2.0Round of 16🇵🇱 POLAND403NT♠3-1+5
+1.9Round of 16🇵🇱 POLAND332♠♦7=+0
+1.8Round of 16🇵🇱 POLAND242♦♦4=+0
+1.7Round of 16🇵🇱 POLAND551NT♠Q-1+0
+1.6Round of 16🇵🇱 POLAND194♥♠5=-1
+1.2Round of 16🇵🇱 POLAND572NT♠K-1+10
+1.1Round of 16🇵🇱 POLAND83♥♠Q-2+5
+1.1Round of 16🇵🇱 POLAND424♠♥10-1+6
+1.1Round of 16🇵🇱 POLAND514♥♦A=+8
+0.7Round of 16🇵🇱 POLAND275♥♠K=+0
+0.6Round of 16🇵🇱 POLAND373NT♣2-1-5
+0.4Round of 16🇵🇱 POLAND293NT♣K+1+0
+0.3Round of 16🇵🇱 POLAND444♠♥4+1+1
+0.1Round of 16🇵🇱 POLAND64♠♥A+1-4
+0.1Round of 16🇵🇱 POLAND123NT♣7=-1
+0.0Round of 16🇵🇱 POLAND264♥♥10+1+1
-0.0Round of 16🇵🇱 POLAND415♠♦A=+4
-0.2Round of 16🇵🇱 POLAND132♦♥K-1-1
-0.7Round of 16🇵🇱 POLAND24♠♦2=+11
-0.7Round of 16🇵🇱 POLAND324♠♦A+1+0
-0.8Round of 16🇵🇱 POLAND302♠♦7-2-7
-0.8Round of 16🇵🇱 POLAND562♠♥K+2+6
-0.9Round of 16🇵🇱 POLAND614♥♥3+1+0
-1.1Round of 16🇵🇱 POLAND92♥♣8-1+1
-1.1Round of 16🇵🇱 POLAND104♥♦Q+1-1
-1.3Round of 16🇵🇱 POLAND72♥♠9+1-12
-1.4Round of 16🇵🇱 POLAND462♠♣10-2+1
-1.4Round of 16🇵🇱 POLAND484♥♠10+1-1
-1.4Round of 16🇵🇱 POLAND624♥x♠A-3+10
-2.1Round of 16🇵🇱 POLAND343NT♥A+3+12
-2.4Round of 16🇵🇱 POLAND164♠♣3=+0
-2.5Round of 16🇵🇱 POLAND254♠♣K-2-6
-2.6Round of 16🇵🇱 POLAND41NT♦5=+1
-2.7Round of 16🇵🇱 POLAND12♦♦2=-5
-2.7Round of 16🇵🇱 POLAND592♦♥2+2+7
-4.1Round of 16🇵🇱 POLAND53NT♥3+2-12
-4.1Round of 16🇵🇱 POLAND433NT♣5=+1
-4.3Round of 16🇵🇱 POLAND493♦♣2+2-7
-4.4Round of 16🇵🇱 POLAND533♠♦5=+0
-4.7Round of 16🇵🇱 POLAND632♠♥A-2-5
-5.3Round of 16🇵🇱 POLAND142♠♦A+2-6
-5.6Round of 16🇵🇱 POLAND314♥♠5-1-12
-6.1Round of 16🇵🇱 POLAND176♦♣A-2-11
-6.8Round of 16🇵🇱 POLAND473NT♥Q-1-10
-7.1Round of 16🇵🇱 POLAND604♣♠K+1-13
-7.3Round of 16🇵🇱 POLAND545♦♠K-1-9
-7.9Round of 16🇵🇱 POLAND586♠♦3-3-14
-12.9Round of 16🇵🇱 POLAND455♥x♠K-2-14