🇨🇭 PIEDRA Fernando · SWITZERLAND

38rank
+63.5Butler · 272 bds
+0.23per board
±4.6swing
-0.12vs par /bd · #54/101
+0.13adjusted /bd
Butler per round: 12.9 -4.2 14.6 -4.8 -4.9 19.2 15.4 24.9 -29 -2.6 1.8 6.7 -3 43.3 -13.9 -6.5 -6.4by round

vs par split: bidding -0.20 · play +0.07

Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted +0.13/bd

Card play — on target: opening leads 89.6% #5 of 101 · declarer play 78.3% #28 of 101 · defence 88.6% #36 of 101

Card play by contract type — on target
vs NTvs a suit
Opening leads90.0% (20)89.5% (57)
Declarer play70.0% (10)80.0% (50)
Defence78.1% (32)91.7% (108)

Opening leads by suit led: ♠ 87.5% (16) · ♥ 90.0% (30) · ♦ 94.1% (17) · ♣ 85.7% (14)

vs par by strain: NT -0.20 (61) · a suit -0.11 (210)

vs par by level: part-score +0.85 (85) · game -0.29 (161) · slam -2.44 (25)

By role: declaring -0.06/bd (-2.65 vs par · 132) · defending +0.51/bd (+2.26 vs par · 140)

By vulnerability: vulnerable +0.36/bd (-0.39 vs par · 136) · not vulnerable +0.10/bd (+0.15 vs par · 136)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.IglaS.Lian – K.NgClosed16+12.9+0.81+0.12
Round 2B.IglaM.Liu – S.WangClosed16-4.2-0.26+0.00
Round 3B.IglaW.Jacobs – B.ThompsonClosed16+14.6+0.91+0.75
Round 4B.IglaM.Eidi – V.VroustisClosed16-4.8-0.30-0.62
Round 5B.IglaY.Khiuppenen – I.BavchineClosed16-4.9-0.31+1.44
Round 6B.IglaB.Satya – K.NadarClosed16+19.2+1.20-1.31
Round 7B.IglaJ.Tamminen – V.LeskelaClosed16+15.4+0.96+1.19
Round 8B.IglaJ.Brum – J.SalomaoClosed16+24.9+1.56+2.81
Round 9B.IglaA.Apteker – C.GowerClosed16-29.0-1.81-2.88
Round 10B.IglaM.Di Franco – A.MannoClosed16-2.6-0.16-0.50
Round 11B.IglaS.Manalang – J.MaliwatClosed16+1.8+0.11-0.19
Round 12B.IglaM.Gromoeller – J.FritscheClosed16+6.7+0.42-1.56
Round 13B.IglaY.Chumak – O.RovyshynClosed16-3.0-0.19-3.75
Round 14B.IglaT.Lutter – V.VaheClosed16+43.3+2.71+3.19
Round 15B.IglaI.Herbst – O.HerbstClosed16-13.9-0.87-0.75
Round 16B.IglaS.Zain – M.HaikalClosed16-6.5-0.41-0.06
Round 17B.IglaF.Volcker – T.BessisClosed16-6.4-0.40+0.06

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
+12.4Round 15🇮🇱 ISRAEL42♠x♦2-3+12
+12.2Round 3🇦🇺 AUSTRALIA164♥♦6+2+13
+10.9Round 1🇸🇬 SINGAPORE52♦x♣7+2+10
+10.8Round 12🇩🇪 GERMANY225♦x♦A=+6
+10.6Round 7🇫🇮 FINLAND166♠♥9+1+13
+10.5Round 2🇹🇼 CHINESE TAIPEI281NT♦Q=+11
+10.0Round 8🇧🇷 BRAZIL225♥♠2-1+10
+10.0Round 14🇪🇪 ESTONIA312♠♦K+2+4
+9.8Round 8🇧🇷 BRAZIL264♥♣3-1+13
+9.7Round 6🇮🇳 INDIA273NTx♠7-3+8
+9.6Round 14🇪🇪 ESTONIA202♦x♥5-4+11
+9.5Round 6🇮🇳 INDIA233NT♥8=+0
+8.9Round 14🇪🇪 ESTONIA264♠x♣A-1+8
+8.8Round 13🇺🇦 UKRAINE103NT♥6-1+12
+8.7Round 8🇧🇷 BRAZIL276♦♠7-1+14
+8.2Round 15🇮🇱 ISRAEL104♥♣A=+10
+7.8Round 1🇸🇬 SINGAPORE24♠x♣A-5+10
+7.8Round 5🇷🇺 RUSSIA44♥x♠3-2+9
+7.6Round 17🇫🇷 FRANCE62♥xx♥K-1+11
+7.6Round 17🇫🇷 FRANCE76♠♥A=+0
+7.5Round 8🇧🇷 BRAZIL286♠♥6=+0
+7.4Round 11🇵🇭 PHILIPPINES115♣♦A=+11
+7.1Round 6🇮🇳 INDIA285♦x♠Q-1+8
+7.1Round 7🇫🇮 FINLAND155♦♥K-1+10
+6.8Round 10🇮🇹 ITALY323NT♣2-2+6
+6.5Round 6🇮🇳 INDIA244♠♥J=-9
+6.5Round 7🇫🇮 FINLAND124♠♥8+2+11
+6.1Round 1🇸🇬 SINGAPORE93NT♠7-1+5
+6.0Round 14🇪🇪 ESTONIA291NT♠3-2+7
+5.9Round 3🇦🇺 AUSTRALIA83NT♥A+1+0
+5.7Round 10🇮🇹 ITALY226♠♣J=+0
+5.7Round 14🇪🇪 ESTONIA254♥x♠3-2+5
+5.4Round 2🇹🇼 CHINESE TAIPEI232♠♥2+2+10
+5.2Round 1🇸🇬 SINGAPORE134♥x♠A-2-3
+5.2Round 2🇹🇼 CHINESE TAIPEI274♠♣9=+0
+5.1Round 14🇪🇪 ESTONIA283NT♦3+1+0
+5.0Round 2🇹🇼 CHINESE TAIPEI242♠♣8+2+7
+4.9Round 4🇬🇷 GREECE225♣♠10=-5
+4.9Round 13🇺🇦 UKRAINE16♦♥J=-11
+4.8Round 1🇸🇬 SINGAPORE83NT♥3-2+5
+4.8Round 4🇬🇷 GREECE204♥♦8=+3
+4.8Round 11🇵🇭 PHILIPPINES145♠♥5-2+11
+4.8Round 15🇮🇱 ISRAEL75♥x♣A-1+9
+4.7Round 11🇵🇭 PHILIPPINES103♠♥A-3+9
+4.4Round 17🇫🇷 FRANCE43NT♣10+2-13
+4.3Round 3🇦🇺 AUSTRALIA73NT♥10=+0
+4.2Round 10🇮🇹 ITALY315♦♥A=+0
+4.1Round 8🇧🇷 BRAZIL254♥♣8-1+5
+3.9Round 9🇿🇦 SOUTH AFRICA153♣♣4=+0
+3.9Round 16🇯🇴 JORDAN182♥♣4-1+0
+3.7Round 12🇩🇪 GERMANY204♥♠J-1-1
+3.7Round 17🇫🇷 FRANCE162♥♦A-2+3
+3.6Round 3🇦🇺 AUSTRALIA123NT♥4-1+10
+3.6Round 4🇬🇷 GREECE234♠♥5+1+4
+3.5Round 1🇸🇬 SINGAPORE144♥♥A+1+1
+3.5Round 6🇮🇳 INDIA182NT♥10-1+5
+3.5Round 11🇵🇭 PHILIPPINES153NT♥K=-1
+3.5Round 13🇺🇦 UKRAINE53♣xx♠J=-12
+3.4Round 3🇦🇺 AUSTRALIA14♠♣K-1+4
+3.4Round 13🇺🇦 UKRAINE124♠♥5-2+5
+3.2Round 7🇫🇮 FINLAND116♥♠Q=+0
+3.1Round 14🇪🇪 ESTONIA225♠♣6=+11
+3.0Round 4🇬🇷 GREECE302♠♠6=+5
+3.0Round 6🇮🇳 INDIA203♠♦A=+7
+3.0Round 7🇫🇮 FINLAND137♦♥Q=-2
+2.9Round 8🇧🇷 BRAZIL304♥♥4-1+5
+2.9Round 9🇿🇦 SOUTH AFRICA83♣♣9-1+5
+2.8Round 14🇪🇪 ESTONIA324♠♣5+2+1
+2.7Round 2🇹🇼 CHINESE TAIPEI313♥♥5+1+1
+2.7Round 11🇵🇭 PHILIPPINES124♥♦4+1+0
+2.6Round 4🇬🇷 GREECE242♥♦3+1+0
+2.6Round 6🇮🇳 INDIA264♥♠Q-1-12
+2.6Round 15🇮🇱 ISRAEL14♠♦10+1+1
+2.5Round 9🇿🇦 SOUTH AFRICA161NT♠7=-1
+2.5Round 13🇺🇦 UKRAINE43♠♥4-1+5
+2.5Round 13🇺🇦 UKRAINE161♠♣A+1-1
+2.5Round 17🇫🇷 FRANCE144♠♦7-1+10
+2.3Round 9🇿🇦 SOUTH AFRICA73NT♠2+2+1
+2.3Round 14🇪🇪 ESTONIA173NT♠10+2+1
+2.3Round 15🇮🇱 ISRAEL143♣♠9-1-2
+2.3Round 16🇯🇴 JORDAN224♥♣3-1+5
+2.2Round 5🇷🇺 RUSSIA157♣♦Q=-2
+2.2Round 12🇩🇪 GERMANY323NT♠2=+0
+1.9Round 12🇩🇪 GERMANY304♠♣2+1+14
+1.8Round 3🇦🇺 AUSTRALIA94♥♠3+2+1
+1.8Round 5🇷🇺 RUSSIA134NT♥3+2+1
+1.8Round 17🇫🇷 FRANCE52♦♣K-2-1
+1.8Round 17🇫🇷 FRANCE116♦♥K-2+0
+1.6Round 2🇹🇼 CHINESE TAIPEI303NT♥4=+0
+1.6Round 12🇩🇪 GERMANY184♥♠5=-1
+1.6Round 16🇯🇴 JORDAN263♣♦6+1+10
+1.5Round 1🇸🇬 SINGAPORE162NT♠3=+6
+1.5Round 10🇮🇹 ITALY235♦x♣J-2+12
+1.5Round 12🇩🇪 GERMANY214♠♠7-1+2
+1.5Round 14🇪🇪 ESTONIA213♠♣3=+1
+1.5Round 16🇯🇴 JORDAN282♠♥J+3+2
+1.5Round 17🇫🇷 FRANCE31NT♥J=+11
+1.4Round 4🇬🇷 GREECE324♠♥K+2+1
+1.4Round 11🇵🇭 PHILIPPINES93♦♥2+1+0
+1.3Round 6🇮🇳 INDIA325♣♠J=-2
+1.3Round 12🇩🇪 GERMANY194♥♠A+1+4
+1.2Round 5🇷🇺 RUSSIA162♠♦A+3-5
+1.2Round 11🇵🇭 PHILIPPINES34♥♠7-1+10
+1.2Round 12🇩🇪 GERMANY294♥♦J+1-13
+1.1Round 7🇫🇮 FINLAND33NT♥2+2+0
+1.1Round 8🇧🇷 BRAZIL233♠♦9-1-1
+1.1Round 10🇮🇹 ITALY253NT♠2=+0
+1.1Round 10🇮🇹 ITALY273♦♥4=+5
+0.9Round 3🇦🇺 AUSTRALIA54♠♠3+1+8
+0.9Round 4🇬🇷 GREECE214♥♠Q=+0
+0.9Round 5🇷🇺 RUSSIA64♠♦J+1+0
+0.9Round 7🇫🇮 FINLAND4Pass+3
+0.9Round 16🇯🇴 JORDAN173NT♣J-2+5
+0.9Round 16🇯🇴 JORDAN292♣♥6+1+0
+0.8Round 13🇺🇦 UKRAINE134♠♦7+2-12
+0.8Round 16🇯🇴 JORDAN271NT♥K+2-6
+0.8Round 16🇯🇴 JORDAN305♠♣K+1-5
+0.7Round 9🇿🇦 SOUTH AFRICA93♣♦10+1+1
+0.6Round 1🇸🇬 SINGAPORE125♥♠3+1+1
+0.6Round 6🇮🇳 INDIA303NT♠6+2+0
+0.5Round 1🇸🇬 SINGAPORE14♥♠5+2-11
+0.5Round 6🇮🇳 INDIA254♥♠6=+1
+0.5Round 7🇫🇮 FINLAND71NT♠4=-2
+0.5Round 8🇧🇷 BRAZIL174♥♦Q+1+0
+0.5Round 12🇩🇪 GERMANY233♥♣6=+0
+0.4Round 2🇹🇼 CHINESE TAIPEI322♥♠K=+0
+0.4Round 3🇦🇺 AUSTRALIA101NT♦4-1+0
+0.4Round 16🇯🇴 JORDAN243♥♦7-2+8
+0.3Round 6🇮🇳 INDIA212NT♠4-1+1
+0.3Round 8🇧🇷 BRAZIL203NT♠3+1+1
+0.3Round 13🇺🇦 UKRAINE93♥♥2+1+2
+0.2Round 9🇿🇦 SOUTH AFRICA33♦♥5=+0
+0.2Round 11🇵🇭 PHILIPPINES74♥♠9=+0
+0.2Round 11🇵🇭 PHILIPPINES132♠♦7+2-10
+0.2Round 12🇩🇪 GERMANY274♥♠4+1-1
+0.2Round 14🇪🇪 ESTONIA193♣♦2-1+5
+0.1Round 2🇹🇼 CHINESE TAIPEI213♥♠4+1+7
+0.1Round 13🇺🇦 UKRAINE74♠♣3+1+0
+0.0Round 1🇸🇬 SINGAPORE111NT♥5+2-6
+0.0Round 5🇷🇺 RUSSIA105♦♠10=+2
+0.0Round 5🇷🇺 RUSSIA114♠♣6=+0
+0.0Round 11🇵🇭 PHILIPPINES24♠♣10+1+0
-0.0Round 14🇪🇪 ESTONIA184♠♦Q=+0
-0.0Round 14🇪🇪 ESTONIA234♥♦5+1+0
-0.1Round 2🇹🇼 CHINESE TAIPEI264♥♣6+2+13
-0.1Round 3🇦🇺 AUSTRALIA144♠♣K-1-6
-0.1Round 5🇷🇺 RUSSIA73NT♦7+3+13
-0.1Round 13🇺🇦 UKRAINE155♠♣A=-13
-0.1Round 15🇮🇱 ISRAEL65♠♥7+1+13
-0.1Round 15🇮🇱 ISRAEL92♠♥3-2+2
-0.1Round 16🇯🇴 JORDAN191♠♣6-1-1
-0.2Round 4🇬🇷 GREECE174♠♣A-1-2
-0.2Round 4🇬🇷 GREECE292♦♥Q+2+0
-0.2Round 5🇷🇺 RUSSIA24♥♣Q+1+0
-0.2Round 5🇷🇺 RUSSIA123♥♠7+1+6
-0.2Round 10🇮🇹 ITALY203NT♠7+2+0
-0.2Round 12🇩🇪 GERMANY263NT♦A-2-8
-0.3Round 17🇫🇷 FRANCE84♠♥K+1+0
-0.4Round 17🇫🇷 FRANCE14♠♠4=-1
-0.5Round 7🇫🇮 FINLAND104♠♥5+1+0
-0.5Round 10🇮🇹 ITALY184♠♥2-2+0
-0.5Round 16🇯🇴 JORDAN213♣♠8-2+1
-0.6Round 9🇿🇦 SOUTH AFRICA54♠♥3=+0
-0.8Round 4🇬🇷 GREECE264♠♦A+1+0
-0.8Round 5🇷🇺 RUSSIA82♠♠Q=+0
-0.9Round 3🇦🇺 AUSTRALIA113♦♣3=+0
-1.0Round 1🇸🇬 SINGAPORE153♥♠10-1+4
-1.0Round 8🇧🇷 BRAZIL312♠♣K-2+1
-1.1Round 1🇸🇬 SINGAPORE33♦♣4-1+11
-1.1Round 4🇬🇷 GREECE284♠♦7+1+0
-1.1Round 5🇷🇺 RUSSIA33NT♠7+1+0
-1.1Round 9🇿🇦 SOUTH AFRICA24♠♦7+1+0
-1.1Round 10🇮🇹 ITALY293♥♠K-1-9
-1.1Round 13🇺🇦 UKRAINE25♥x♠A-3-4
-1.1Round 15🇮🇱 ISRAEL135♣♥2=+1
-1.2Round 3🇦🇺 AUSTRALIA23♣♥10-1+5
-1.2Round 3🇦🇺 AUSTRALIA42♠♣7+1+0
-1.2Round 5🇷🇺 RUSSIA143NT♦4+2+11
-1.2Round 7🇫🇮 FINLAND56♠♥6=+0
-1.2Round 8🇧🇷 BRAZIL184♥♦Q+1+4
-1.2Round 12🇩🇪 GERMANY176♥♠A-1-8
-1.2Round 12🇩🇪 GERMANY283♥♦10-3-2
-1.3Round 8🇧🇷 BRAZIL295♥x♣7-2+0
-1.3Round 9🇿🇦 SOUTH AFRICA44♠♠6-1-6
-1.4Round 13🇺🇦 UKRAINE114♠♣Q+2-1
-1.5Round 7🇫🇮 FINLAND13NT♠A+1+0
-1.6Round 10🇮🇹 ITALY302♠♥A=+1
-1.7Round 3🇦🇺 AUSTRALIA153NT♠9-2-5
-1.8Round 9🇿🇦 SOUTH AFRICA14♠♥4=+0
-1.8Round 15🇮🇱 ISRAEL121NT♥9+2-1
-1.9Round 4🇬🇷 GREECE315♠♣A=+0
-2.0Round 5🇷🇺 RUSSIA12♠♣J+2+6
-2.0Round 7🇫🇮 FINLAND95♣♥4-2-6
-2.1Round 12🇩🇪 GERMANY252♣♦Q+1+0
-2.1Round 16🇯🇴 JORDAN324♥♥6=+0
-2.2Round 2🇹🇼 CHINESE TAIPEI203NT♠A+3-11
-2.2Round 10🇮🇹 ITALY243♣♠7-1-5
-2.3Round 7🇫🇮 FINLAND85♥♠3-1-2
-2.4Round 1🇸🇬 SINGAPORE103♠♣4-2-2
-2.4Round 11🇵🇭 PHILIPPINES13NT♦4-2-11
-2.5Round 7🇫🇮 FINLAND142♠♥2=+1
-2.5Round 11🇵🇭 PHILIPPINES51♣♦J-1-6
-2.5Round 15🇮🇱 ISRAEL34♥♣4-2-11
-2.5Round 16🇯🇴 JORDAN253NT♦5+2-1
-2.6Round 3🇦🇺 AUSTRALIA32♥♦7+2-1
-2.6Round 14🇪🇪 ESTONIA243NT♦5+1-1
-2.6Round 17🇫🇷 FRANCE93♠♥10=+4
-2.7Round 2🇹🇼 CHINESE TAIPEI252♠♦A-2-15
-2.7Round 15🇮🇱 ISRAEL83♥x♥5-2-4
-2.8Round 17🇫🇷 FRANCE124♠♣7+1-1
-2.9Round 16🇯🇴 JORDAN203NT♠K-2-8
-3.0Round 13🇺🇦 UKRAINE144♥♦K-1-8
-3.1Round 10🇮🇹 ITALY283♥♥2-2+1
-3.2Round 8🇧🇷 BRAZIL213NT♦10=+0
-3.2Round 10🇮🇹 ITALY214♠♦Q+1+0
-3.3Round 6🇮🇳 INDIA316♥♣Q=+7
-3.3Round 10🇮🇹 ITALY174♣♥A+1-6
-3.5Round 6🇮🇳 INDIA173NT♣7-1-10
-3.5Round 10🇮🇹 ITALY264♠♥J=+0
-3.6Round 6🇮🇳 INDIA294♠♦10+2-13
-3.6Round 7🇫🇮 FINLAND64♥♥8=+0
-3.8Round 4🇬🇷 GREECE275♥♣A=-4
-3.9Round 7🇫🇮 FINLAND23♣x♥Q-1-7
-3.9Round 9🇿🇦 SOUTH AFRICA65♦♠3=-11
-3.9Round 9🇿🇦 SOUTH AFRICA103NT♥5=+0
-4.0Round 2🇹🇼 CHINESE TAIPEI176♠♣8=+0
-4.0Round 17🇫🇷 FRANCE154♠♦J-1-12
-4.1Round 8🇧🇷 BRAZIL323NT♠Q+2+0
-4.1Round 9🇿🇦 SOUTH AFRICA116♦♠6+1-1
-4.1Round 15🇮🇱 ISRAEL113NT♠4=+0
-4.3Round 8🇧🇷 BRAZIL243NT♠9+2-1
-4.3Round 10🇮🇹 ITALY194♠♦4+2-13
-4.4Round 2🇹🇼 CHINESE TAIPEI184♥♣7=-3
-4.4Round 5🇷🇺 RUSSIA96♠♣10-3-11
-4.4Round 11🇵🇭 PHILIPPINES164♠♦A-1-5
-4.5Round 11🇵🇭 PHILIPPINES63NT♥5+1+0
-4.5Round 14🇪🇪 ESTONIA276♦♥9=+0
-4.6Round 11🇵🇭 PHILIPPINES43NT♦Q+1+0
-4.6Round 15🇮🇱 ISRAEL154♠♣K-1-6
-4.8Round 14🇪🇪 ESTONIA301NTx♥6=-2
-4.9Round 4🇬🇷 GREECE254♥x♣2-1-3
-4.9Round 8🇧🇷 BRAZIL194♠♠A-1-6
-4.9Round 12🇩🇪 GERMANY243NT♦3-1-5
-5.0Round 1🇸🇬 SINGAPORE44♥♦7=-3
-5.0Round 3🇦🇺 AUSTRALIA63♥♠9=-6
-5.1Round 2🇹🇼 CHINESE TAIPEI196♦♣9-1-12
-5.2Round 3🇦🇺 AUSTRALIA134♠♥K+1-11
-5.4Round 16🇯🇴 JORDAN234♣♠K-1-6
-5.6Round 15🇮🇱 ISRAEL22♥x♠A-1-11
-5.9Round 11🇵🇭 PHILIPPINES83NT♥2-3-11
-6.0Round 9🇿🇦 SOUTH AFRICA145♠♦K+1-14
-6.1Round 16🇯🇴 JORDAN313NT♠2-1-5
-6.3Round 9🇿🇦 SOUTH AFRICA123♣♣2+2-10
-6.4Round 4🇬🇷 GREECE184♥♦3=+0
-6.5Round 2🇹🇼 CHINESE TAIPEI292NT♣10-2-7
-6.5Round 6🇮🇳 INDIA196♦♠4=+0
-6.7Round 4🇬🇷 GREECE194♠♦A-3-9
-7.1Round 17🇫🇷 FRANCE133NT♠3-3-9
-7.8Round 13🇺🇦 UKRAINE87♦♠2=-8
-8.1Round 13🇺🇦 UKRAINE35♣x♥A-3-9
-8.2Round 17🇫🇷 FRANCE26♠♦7=+11
-8.3Round 13🇺🇦 UKRAINE62♥x♥K-4-5
-8.4Round 15🇮🇱 ISRAEL164♥♦6=-11
-8.5Round 6🇮🇳 INDIA226♣♠Q-1-12
-8.6Round 12🇩🇪 GERMANY314♥x♠7-3-12
-8.8Round 5🇷🇺 RUSSIA53NT♠4=-7
-9.1Round 1🇸🇬 SINGAPORE74♥♣Q-1-13
-9.4Round 1🇸🇬 SINGAPORE66♠♣7=-13
-10.1Round 2🇹🇼 CHINESE TAIPEI224♠♥5=-1
-11.9Round 17🇫🇷 FRANCE106♦♥8-1-12
-12.5Round 9🇿🇦 SOUTH AFRICA135♣x♦6-4-10
-13.2Round 15🇮🇱 ISRAEL56♥♠9-1-14