🇨🇭 PIEDRA Fernando · SWITZERLAND

130rank
-28.2Butler · 112 bds
-0.25per board
±4.6swing
-0.71vs par /bd
-0.42adjusted /bd
Butler per round: 10.5 -2.2 -7.8 -17.9 -17 5.9 0.3by round

vs par split: bidding -0.82 · play +0.12

Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted -0.42/bd

Card play — on target: opening leads 82.6% · declarer play 86.7% · defence 92.2%

Bidding activity — not a pass: 45.8% (153/334)

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)83.3% (18)
Declarer play100.0% (6)83.3% (24)
Defence92.3% (13)92.1% (38)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (2) · ♦ 72.7% (11) · ♣ 100.0% (5)

vs par by strain: NT -1.00 (26) · a suit -0.62 (86)

vs par by level: part-score -0.50 (38) · game -0.07 (61) · slam -4.31 (13)

By role: declaring -0.27/bd (-2.28 vs par · 61) · defending -0.23/bd (+1.18 vs par · 51)

By vulnerability: vulnerable -0.47/bd (-0.46 vs par · 56) · not vulnerable -0.04/bd (-0.95 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.NowosadzkiJ.Balasovs – J.IlzinsClosed16+10.5+0.66+3.38
Round 4M.NowosadzkiJ.Nakamaru-Pinder – P.BartonClosed16-2.2-0.14-3.25
Round 7M.NowosadzkiC.Boland – T.HanlonClosed16-7.8-0.49-0.94
Round 8M.NowosadzkiK.Koistinen – V.FagerlundOpen16-17.9-1.12-0.12
Round 9M.NowosadzkiR.Wadl – P.ScheberanOpen16-17.0-1.06-2.19
Round 12M.NowosadzkiW.Gawel – R.JagniewskiClosed16+5.9+0.37-0.81
Round 16M.NowosadzkiO.Saposnicov – G.RybnikovClosed16+0.3+0.02-1.00

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
+12.0Round 12🇵🇱 POLAND324♠xx♦A+1+12
+11.9Round 2🇱🇻 LATVIA327♦♣4-2+14
+10.3Round 12🇵🇱 POLAND314♠x♦9-3+12
+9.4Round 8🇫🇮 FINLAND234NT♥3+3+16
+7.7Round 16🇺🇦 UKRAINE84♥♦4=+7
+6.7Round 7🇮🇪 IRELAND164♠♣A=+0
+6.3Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND182♥x♥6-2+3
+5.8Round 16🇺🇦 UKRAINE114♥♠J-2+11
+5.4Round 7🇮🇪 IRELAND71♣♠K-3+8
+5.1Round 16🇺🇦 UKRAINE52♦♠5=+6
+5.0Round 9🇦🇹 AUSTRIA163♥♦7-2+6
+4.9Round 12🇵🇱 POLAND286♣♥J=-2
+4.7Round 16🇺🇦 UKRAINE123♠♥K=+0
+4.3Round 2🇱🇻 LATVIA223NT♣J=+10
+4.3Round 9🇦🇹 AUSTRIA94♥♦A-1+10
+4.1Round 9🇦🇹 AUSTRIA156♠♣K=+0
+3.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND214♥♦Q=-1
+3.7Round 12🇵🇱 POLAND303♦♣K-2+6
+3.3Round 7🇮🇪 IRELAND94♠♣5+2+2
+3.3Round 12🇵🇱 POLAND244♠♠8-1+4
+3.2Round 7🇮🇪 IRELAND113NT♠2-3+12
+3.2Round 9🇦🇹 AUSTRIA114♥♥2+1+2
+2.9Round 16🇺🇦 UKRAINE23♥♦9-1+4
+2.6Round 9🇦🇹 AUSTRIA84♥♦T=+0
+2.5Round 2🇱🇻 LATVIA194♠♣J-1+5
+2.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND293♣♥2+1+0
+1.9Round 16🇺🇦 UKRAINE134♠♥9=-1
+1.8Round 2🇱🇻 LATVIA174♠♥3-1+5
+1.8Round 7🇮🇪 IRELAND27♥♣6=+0
+1.8Round 8🇫🇮 FINLAND253♥♠A=+2
+1.8Round 8🇫🇮 FINLAND273NT♦J=+2
+1.7Round 2🇱🇻 LATVIA203♠♦Q+1+10
+1.7Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND193NT♦4+2+1
+1.7Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND222♦♦3+2+1
+1.4Round 2🇱🇻 LATVIA263NT♣6-1+5
+1.4Round 12🇵🇱 POLAND184♠♦T-2+11
+1.4Round 16🇺🇦 UKRAINE93♣♠A-3+0
+1.3Round 7🇮🇪 IRELAND85♦x♣A-2+0
+1.0Round 2🇱🇻 LATVIA253♣♣3-1-5
+1.0Round 7🇮🇪 IRELAND43♦♥K+1+1
+0.8Round 2🇱🇻 LATVIA283♥♣3=+0
+0.8Round 9🇦🇹 AUSTRIA53♣♠K-2+1
+0.7Round 2🇱🇻 LATVIA273NT♥7+3+11
+0.7Round 8🇫🇮 FINLAND224♠♥2+2+1
+0.6Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND245♦♦2=+0
+0.6Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND314♠♦7=+1
+0.6Round 8🇫🇮 FINLAND194♠♣J=+0
+0.6Round 9🇦🇹 AUSTRIA134♥♠A=+0
+0.4Round 7🇮🇪 IRELAND141NT♠T=-1
+0.4Round 9🇦🇹 AUSTRIA71NT♣T=-1
+0.4Round 12🇵🇱 POLAND232♠♥T-1+1
+0.3Round 8🇫🇮 FINLAND287♦♦T=-2
+0.3Round 8🇫🇮 FINLAND314♥♠Q+1+0
+0.2Round 8🇫🇮 FINLAND323NT♥K-1+10
+0.2Round 12🇵🇱 POLAND193NT♠Q+1-11
+0.1Round 16🇺🇦 UKRAINE163NT♦8+2+0
-0.0Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND172♠♣2-1-8
-0.1Round 2🇱🇻 LATVIA312♥♣4-1+11
-0.1Round 7🇮🇪 IRELAND63NT♥4=-13
-0.2Round 2🇱🇻 LATVIA231NT♦6-1-1
-0.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND272♥♦A-2-7
-0.2Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND303NT♦7+2+0
-0.2Round 12🇵🇱 POLAND274♠♥A=+0
-0.2Round 16🇺🇦 UKRAINE142NT♦T+2-6
-0.3Round 16🇺🇦 UKRAINE104♠♥4=+0
-0.5Round 2🇱🇻 LATVIA244♠♣2=+0
-0.5Round 8🇫🇮 FINLAND205♣♥K-1-6
-0.5Round 9🇦🇹 AUSTRIA144♥♠K=+1
-0.6Round 8🇫🇮 FINLAND246♦♥T=+2
-0.6Round 8🇫🇮 FINLAND303NT♦Q-1-5
-0.8Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND202♠♦7=-6
-0.8Round 12🇵🇱 POLAND202♥♦3+1+0
-0.9Round 16🇺🇦 UKRAINE64♥♣J+1+0
-1.0Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND286♣♦9-3-12
-1.0Round 7🇮🇪 IRELAND52♥♦5+1+0
-1.0Round 7🇮🇪 IRELAND123♣♦A+1+0
-1.0Round 16🇺🇦 UKRAINE73NT♠7+2-12
-1.1Round 9🇦🇹 AUSTRIA34♥♠Q+2-13
-1.1Round 12🇵🇱 POLAND174♥♠K-2+1
-1.3Round 16🇺🇦 UKRAINE156♠♥4=+0
-1.4Round 12🇵🇱 POLAND256NT♥3-1-14
-1.6Round 12🇵🇱 POLAND262♠♦6=-6
-1.8Round 2🇱🇻 LATVIA182♦♦J-2+0
-1.8Round 7🇮🇪 IRELAND106♠♣5+1-1
-1.8Round 9🇦🇹 AUSTRIA123NT♠7-1-5
-2.4Round 2🇱🇻 LATVIA303♥♠Q-1-4
-2.4Round 8🇫🇮 FINLAND174♥♣T-1-9
-2.4Round 8🇫🇮 FINLAND213NT♥3+1+0
-2.8Round 2🇱🇻 LATVIA293♠♣3-2-7
-2.9Round 7🇮🇪 IRELAND13♠♥J+1-6
-3.0Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND234♠♣Q=+0
-3.0Round 16🇺🇦 UKRAINE34♥♦5=-3
-3.1Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND265♦♠A-1-12
-3.3Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND255♣♥A-1-12
-4.7Round 7🇮🇪 IRELAND33♦♣K=+1
-5.0Round 9🇦🇹 AUSTRIA14♠♦6-1-10
-5.3Round 9🇦🇹 AUSTRIA24♠♦8=-11
-5.3Round 9🇦🇹 AUSTRIA62♥x♠9-1+5
-5.6Round 7🇮🇪 IRELAND154♥x♣K-2-3
-6.3Round 12🇵🇱 POLAND212♠♣K-2-8
-6.9Round 8🇫🇮 FINLAND263NT♠T=+0
-7.5Round 4🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND323NT♥J=+0
-7.7Round 9🇦🇹 AUSTRIA42♥♣A+3-10
-7.8Round 2🇱🇻 LATVIA214♥♦4=+0
-8.2Round 12🇵🇱 POLAND294♠♥J=-10
-9.4Round 8🇫🇮 FINLAND183NT♦2=+1
-10.2Round 8🇫🇮 FINLAND296♠♦5-3-14
-10.7Round 12🇵🇱 POLAND223♦x♠7-3-9
-10.9Round 16🇺🇦 UKRAINE45♦♥Q=-10
-11.3Round 9🇦🇹 AUSTRIA103NT♠6=-10
-11.7Round 16🇺🇦 UKRAINE16♠x♥A-2-12
-13.8Round 7🇮🇪 IRELAND136NTx♠2-2-15