🇨🇭 COLLAROS Pierre · SWITZERLAND

58rank
+2.3Butler · 208 bds
+0.01per board
±4.4swing
+0.43vs par /bd · #19/114
+0.20adjusted /bd
Butler per round: 6.8 -25.8 7.1 -12.5 10.5 21 31.7 -9.4 -12.6 -0.4 -34.4 31.7 -11.4by round

vs par split: bidding +0.95 · play -0.52

Strength of schedule: opponents averaged +0.19/bd (a tough draw) → opponent-adjusted +0.20/bd

Card play — on target: opening leads 82.2% #37 of 114 · declarer play 76.4% #32 of 114 · defence 84.8% #61 of 114

Bidding activity — not a pass: 44.2% #29 of 114 (251/568)

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)85.7% (35)
Declarer play87.5% (16)71.8% (39)
Defence87.0% (23)84.2% (76)

Opening leads by suit led: ♠ 90.0% (10) · ♥ 75.0% (8) · ♦ 100.0% (16) · ♣ 54.5% (11)

vs par by strain: NT +2.22 (54) · a suit -0.20 (154)

vs par by level: part-score +0.73 (84) · game +0.37 (118) · slam -2.50 (6)

By role: declaring -0.20/bd (-1.61 vs par · 109) · defending +0.24/bd (+2.68 vs par · 99)

By vulnerability: vulnerable +0.07/bd (+0.39 vs par · 104) · not vulnerable -0.05/bd (+0.48 vs par · 104)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.CatzeflisB.Wenneberg – G.SelldenClosed16+6.8+0.42+3.31
Round 3C.CatzeflisP.Tuszynski – A.KowalskiClosed16-25.8-1.61+0.12
Round 4C.CatzeflisG.Van Middelem – T.De LiedekerkeOpen16+7.1+0.44+0.50
Round 5C.CatzeflisJ.Holland – A.MouldClosed16-12.5-0.78+2.06
Round 8C.CatzeflisW.Gosschalk – W.Van EijckOpen16+10.5+0.66-0.38
Round 9C.CatzeflisR.Gliga – C.MateiClosed16+21.0+1.31+0.50
Round 11C.CatzeflisA.Kalish – N.GrinbergClosed16+31.7+1.98+1.69
Round 12C.CatzeflisA.Levy – M.BompisOpen16-9.4-0.59+1.06
Round 13C.CatzeflisI.Sime – D.DiamondClosed16-12.6-0.79+0.25
Round 14C.CatzeflisJ.Furunes – S.BjerksetOpen16-0.4-0.03+1.62
Round 16C.CatzeflisD.Schaltz – P.SchaltzOpen16-34.4-2.15-3.94
Round 18C.CatzeflisJ.Cruzeiro – J.HenriquesClosed16+31.7+1.98+1.00
Round 19C.CatzeflisT.Walsh – B.O'BrienClosed16-11.4-0.71-2.19

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
+14.6Round 11🇮🇱 ISRAEL77♠♦K-1+15
+13.0Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND96♠♦Q=+13
+11.4Round 1🇸🇪 SWEDEN43NT♣5-2+16
+10.9Round 8🇳🇱 NETHERLANDS174♠♥7-1+11
+10.7Round 18🇵🇹 PORTUGAL293NT♥2+1+15
+9.5Round 4🇧🇪 BELGIUM254♠x♣7-3+8
+8.9Round 14🇳🇴 NORWAY193♣♦A-1+11
+8.5Round 14🇳🇴 NORWAY253NT♦2=+10
+7.5Round 4🇧🇪 BELGIUM293♣♦3-4+7
+7.5Round 8🇳🇱 NETHERLANDS284♠♥5-2+6
+7.4Round 16🇩🇰 DENMARK204♥♠2=+10
+7.1Round 4🇧🇪 BELGIUM284♣♦T-1+12
+6.6Round 18🇵🇹 PORTUGAL202♥♣6=+6
+6.4Round 9🇷🇴 ROMANIA54♠♦6-1+10
+6.1Round 9🇷🇴 ROMANIA33♣x♦A-3+9
+5.7Round 12🇫🇷 FRANCE213NT♠4-1+10
+5.5Round 16🇩🇰 DENMARK214♠♥6=+0
+5.4Round 11🇮🇱 ISRAEL23NT♥5+1+1
+5.4Round 11🇮🇱 ISRAEL104♠♣T+2+13
+5.3Round 12🇫🇷 FRANCE293NT♥6-2+13
+5.1Round 4🇧🇪 BELGIUM223♥♠K+1+6
+5.1Round 14🇳🇴 NORWAY282♠♠Q-1+10
+4.7Round 18🇵🇹 PORTUGAL304♠♥9-1-10
+4.6Round 1🇸🇪 SWEDEN23NT♣9=+11
+4.6Round 1🇸🇪 SWEDEN65♦x♥2-2+10
+4.6Round 8🇳🇱 NETHERLANDS273♥♦A+1+7
+4.5Round 9🇷🇴 ROMANIA11NT♠7=+5
+4.4Round 11🇮🇱 ISRAEL113♦♠J+1+0
+4.3Round 3🇵🇱 POLAND14♠♣2-1+5
+4.2Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND143♦♠T=+5
+4.1Round 11🇮🇱 ISRAEL123♠♥K-2+5
+3.9Round 11🇮🇱 ISRAEL43♠♠7+1+7
+3.9Round 16🇩🇰 DENMARK294♠♣A-1+6
+3.8Round 18🇵🇹 PORTUGAL243♦♣Q=+7
+3.7Round 12🇫🇷 FRANCE242♠x♦A-3+9
+3.7Round 18🇵🇹 PORTUGAL223NT♦8-2+6
+3.7Round 19🇮🇪 IRELAND33♣♦7+1+6
+3.6Round 9🇷🇴 ROMANIA93NT♦4+1+1
+3.5Round 9🇷🇴 ROMANIA164♠♣7+2+2
+3.4Round 8🇳🇱 NETHERLANDS322♥♦A=+6
+3.3Round 1🇸🇪 SWEDEN112♠♥9=+6
+3.2Round 12🇫🇷 FRANCE174♠♦7=+7
+3.2Round 16🇩🇰 DENMARK274♥♦A-2+5
+3.1Round 11🇮🇱 ISRAEL163NT♠A-2+8
+2.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND15♠♦K-1+4
+2.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♥♠K+2-10
+2.8Round 3🇵🇱 POLAND63NT♣5+1+0
+2.8Round 3🇵🇱 POLAND164♠♦J+1+1
+2.8Round 4🇧🇪 BELGIUM183NT♥5=+7
+2.6Round 19🇮🇪 IRELAND151NT♣3=+0
+2.5Round 14🇳🇴 NORWAY304♦♥K+1+6
+2.4Round 1🇸🇪 SWEDEN72♠♥5-1+0
+2.4Round 8🇳🇱 NETHERLANDS204♥♠6+1-13
+2.4Round 18🇵🇹 PORTUGAL284♥♦3+1+13
+2.3Round 4🇧🇪 BELGIUM173NT♦6+3+3
+2.2Round 4🇧🇪 BELGIUM243NT♦4+1+0
+2.2Round 9🇷🇴 ROMANIA62♥♠6+1+0
+2.2Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND103♥♦7-1-1
+2.2Round 18🇵🇹 PORTUGAL193NT♦4+2+1
+2.1Round 8🇳🇱 NETHERLANDS313NT♠J+1+11
+2.1Round 14🇳🇴 NORWAY212♥♣A+1+0
+2.1Round 19🇮🇪 IRELAND92♠♥5=+6
+2.0Round 11🇮🇱 ISRAEL152♦♠K-1+5
+1.9Round 3🇵🇱 POLAND112♦♠5-1+9
+1.8Round 1🇸🇪 SWEDEN144♠♣K=+0
+1.8Round 9🇷🇴 ROMANIA132♥♣K=+0
+1.7Round 8🇳🇱 NETHERLANDS213♦♣K+1+0
+1.7Round 8🇳🇱 NETHERLANDS262♠♦3+1+0
+1.7Round 8🇳🇱 NETHERLANDS303NT♥4+3-10
+1.5Round 4🇧🇪 BELGIUM322NT♦7=+0
+1.5Round 12🇫🇷 FRANCE203NT♥7+2+1
+1.4Round 19🇮🇪 IRELAND163NT♣4+2+1
+1.3Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND21NT♠2+2+10
+1.3Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND135♥♠A-1+3
+1.2Round 19🇮🇪 IRELAND105♦♣K+1-10
+1.1Round 3🇵🇱 POLAND82♠♥5+2+6
+1.1Round 8🇳🇱 NETHERLANDS243NT♠8+1+1
+1.1Round 9🇷🇴 ROMANIA72♥♣Q-1+1
+1.1Round 11🇮🇱 ISRAEL94♠♣Q+1+0
+1.1Round 12🇫🇷 FRANCE183NT♦6-2+6
+1.1Round 12🇫🇷 FRANCE194♥♦Q+1+0
+1.1Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND51NT♥4+2+0
+0.9Round 3🇵🇱 POLAND44♠♣2-1+5
+0.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND122♠♦A+1+10
+0.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND144♠♦7=-1
+0.9Round 18🇵🇹 PORTUGAL175♦♠2+1-9
+0.9Round 18🇵🇹 PORTUGAL213♦♠2-1+5
+0.7Round 9🇷🇴 ROMANIA123NT♦Q-1-5
+0.7Round 11🇮🇱 ISRAEL134♥♦K+1+0
+0.7Round 14🇳🇴 NORWAY243NT♥6+2+1
+0.7Round 19🇮🇪 IRELAND63NT♥7-1+6
+0.6Round 18🇵🇹 PORTUGAL274♠♥3+1+1
+0.5Round 4🇧🇪 BELGIUM262♥♣J=-10
+0.5Round 12🇫🇷 FRANCE223NT♦3+1-1
+0.5Round 16🇩🇰 DENMARK193NT♥4=+0
+0.5Round 18🇵🇹 PORTUGAL182♥♥6=+1
+0.5Round 18🇵🇹 PORTUGAL232♦♣2+2-10
+0.5Round 19🇮🇪 IRELAND143NT♦3=+2
+0.4Round 3🇵🇱 POLAND22♦♠9+2+0
+0.4Round 14🇳🇴 NORWAY224♠♦5-1-2
+0.4Round 14🇳🇴 NORWAY324♠♥5+1+0
+0.4Round 18🇵🇹 PORTUGAL253NT♥K+1+0
+0.3Round 1🇸🇪 SWEDEN52♥♥4+2+4
+0.3Round 3🇵🇱 POLAND33NT♠J+1+1
+0.3Round 3🇵🇱 POLAND122♣♦3=+0
+0.3Round 9🇷🇴 ROMANIA43NT♥7+3+12
+0.2Round 1🇸🇪 SWEDEN154♠♥4+2+1
+0.2Round 4🇧🇪 BELGIUM234♠♥J+2+13
+0.2Round 11🇮🇱 ISRAEL64♠♠4+1+0
+0.1Round 9🇷🇴 ROMANIA152♠♠8=-1
+0.1Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND93♠♥A=+0
+0.0Round 19🇮🇪 IRELAND113NT♣7+1-1
+0.0Round 19🇮🇪 IRELAND121♠♣Q+1+0
-0.1Round 1🇸🇪 SWEDEN121NT♥9+2+0
-0.1Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND113♠♦3-1+8
-0.2Round 8🇳🇱 NETHERLANDS194♠♥5=-1
-0.2Round 12🇫🇷 FRANCE322♠♥A-2-5
-0.3Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND64♥♣6=-1
-0.4Round 1🇸🇪 SWEDEN14♥♠T+1-1
-0.4Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♥4+1+0
-0.5Round 16🇩🇰 DENMARK183♠♦5=+0
-0.6Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♣♦3+1+0
-0.6Round 8🇳🇱 NETHERLANDS233NT♣A+1-1
-0.7Round 1🇸🇪 SWEDEN82♦♦8-2-1
-0.7Round 11🇮🇱 ISRAEL143NT♥9+1+0
-0.7Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♠♣T+1-1
-0.7Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND73♦♠6+1-9
-0.7Round 14🇳🇴 NORWAY261NT♦5+2+10
-0.7Round 16🇩🇰 DENMARK322♠♣2-2-11
-0.8Round 12🇫🇷 FRANCE254♠♦A-1+2
-0.8Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND84♥♥A+2+11
-0.8Round 14🇳🇴 NORWAY184♠♣4=+0
-0.9Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♦4-1+6
-1.2Round 1🇸🇪 SWEDEN94♥♣A+1+11
-1.2Round 9🇷🇴 ROMANIA23♥♣3+1+1
-1.2Round 12🇫🇷 FRANCE263♦♣A-1-1
-1.3Round 14🇳🇴 NORWAY234♠♣2+1+0
-1.4Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♦K=-1
-1.4Round 11🇮🇱 ISRAEL12♠♦K-3-1
-1.4Round 19🇮🇪 IRELAND16♥♠Q=-11
-1.5Round 19🇮🇪 IRELAND24♥♣5=+1
-1.6Round 9🇷🇴 ROMANIA103♦♦2+1-10
-1.6Round 18🇵🇹 PORTUGAL265♦♠7=+0
-1.6Round 18🇵🇹 PORTUGAL323♠♦A=+0
-1.7Round 11🇮🇱 ISRAEL32♦♠5=-5
-1.8Round 9🇷🇴 ROMANIA82♥♠6-1+2
-1.8Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND122♠♣7+1+0
-1.8Round 19🇮🇪 IRELAND53NT♦T=+0
-1.9Round 9🇷🇴 ROMANIA143♦♣Q-1-5
-1.9Round 14🇳🇴 NORWAY315♦x♠K-3+0
-2.1Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND62♦♠A-1-2
-2.1Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND152♠♥K+1-7
-2.1Round 19🇮🇪 IRELAND135♦♣T-1-6
-2.2Round 4🇧🇪 BELGIUM301NT♥2+1-1
-2.2Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND35♦♥Q=+0
-2.6Round 11🇮🇱 ISRAEL54♥♣J-1-13
-2.7Round 1🇸🇪 SWEDEN131♥♦T+1+0
-2.7Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♦3+1+13
-2.8Round 4🇧🇪 BELGIUM272♥♠J-1-5
-2.8Round 9🇷🇴 ROMANIA113♥♣A-2-14
-2.9Round 3🇵🇱 POLAND52♠♠3+1+10
-2.9Round 16🇩🇰 DENMARK253♥♠K-1+0
-2.9Round 16🇩🇰 DENMARK317♠♠8=+0
-3.0Round 16🇩🇰 DENMARK175♦♣A-1-5
-3.0Round 18🇵🇹 PORTUGAL315♣x♦5=-10
-3.1Round 3🇵🇱 POLAND93♣♠K=-5
-3.2Round 8🇳🇱 NETHERLANDS291NT♦3-2-7
-3.2Round 14🇳🇴 NORWAY271NTx♥2-1-1
-3.4Round 3🇵🇱 POLAND134♥♦4+1+0
-3.9Round 4🇧🇪 BELGIUM202♠♥3-1-5
-3.9Round 12🇫🇷 FRANCE304♥♣6-1-6
-4.2Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83♣♠Q=+0
-4.2Round 12🇫🇷 FRANCE274♥♦2+1+0
-4.2Round 16🇩🇰 DENMARK225♦♠T-1-12
-4.3Round 1🇸🇪 SWEDEN33♠♦5-1+1
-4.4Round 19🇮🇪 IRELAND44♥♣7-1-6
-4.6Round 4🇧🇪 BELGIUM215♥♠K=-4
-4.8Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33NT♠T+2+11
-5.2Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♣T-1-6
-5.2Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND132♥♦6=+1
-5.4Round 1🇸🇪 SWEDEN165♠♣A+1+5
-5.5Round 3🇵🇱 POLAND154♠x♣K-3-5
-5.6Round 5🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND51NT♠4=-5
-5.6Round 16🇩🇰 DENMARK244♠♥A-1-11
-5.6Round 19🇮🇪 IRELAND85♠♣K-1-10
-5.7Round 14🇳🇴 NORWAY204♠♥T-1-12
-6.0Round 3🇵🇱 POLAND73NT♣3+1-1
-6.0Round 12🇫🇷 FRANCE315♦♣4=+1
-6.1Round 8🇳🇱 NETHERLANDS184♠♥K-1-5
-6.6Round 14🇳🇴 NORWAY173NT♣T+1-7
-6.8Round 11🇮🇱 ISRAEL83♣♠9=-8
-6.8Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND163♦♣K-4-7
-6.8Round 19🇮🇪 IRELAND75♣♥K+1-13
-7.0Round 1🇸🇪 SWEDEN105♦♦Q-3-10
-7.3Round 13🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND45♦x♥T-3-7
-7.3Round 16🇩🇰 DENMARK285♥♠A=-11
-7.4Round 8🇳🇱 NETHERLANDS254♥♠J-1-11
-7.4Round 16🇩🇰 DENMARK234♠x♥K-1-7
-7.5Round 12🇫🇷 FRANCE284♠x♥K+1-7
-7.7Round 12🇫🇷 FRANCE234♠♦J-1-12
-7.9Round 3🇵🇱 POLAND144♥♠A=-7
-8.2Round 4🇧🇪 BELGIUM313NT♣2-1-11
-8.8Round 14🇳🇴 NORWAY293NT♥4=+0
-9.1Round 8🇳🇱 NETHERLANDS223NT♦6=+0
-9.4Round 16🇩🇰 DENMARK264♥♣4-2-12
-9.9Round 4🇧🇪 BELGIUM193♦x♣T+1-12
-11.0Round 16🇩🇰 DENMARK306NT♦5-3-15
-11.8Round 3🇵🇱 POLAND106♠♥J-2-17