🇨🇿 KURKA Josef · CZECH REP.

14rank
+93.3Butler · 240 bds
+0.39per board
±4.4swing
+0.23vs par /bd · #35/104
+0.41adjusted /bd
Butler per round: -19.5 -16.3 8.3 7.7 4.3 23 12.1 13 22.2 26.7 -7.7 19.5by round

vs par split: bidding +0.19 · play +0.04

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.41/bd

Card play — on target: opening leads 82.5% #28 of 104 · declarer play 81.4% #18 of 104 · defence 85.6% #69 of 104

Card play by contract type — on target
vs NTvs a suit
Opening leads72.2% (18)87.2% (39)
Declarer play76.9% (13)82.6% (46)
Defence80.5% (41)88.3% (77)

Opening leads by suit led: ♠ 100.0% (10) · ♥ 73.7% (19) · ♦ 92.3% (13) · ♣ 73.3% (15)

vs par by strain: NT +0.44 (70) · a suit +0.15 (169)

vs par by level: part-score -0.12 (86) · game +0.84 (138) · slam -3.27 (15)

By role: declaring +0.46/bd (-1.51 vs par · 121) · defending +0.32/bd (+1.99 vs par · 119)

By vulnerability: vulnerable +0.42/bd (-0.06 vs par · 120) · not vulnerable +0.35/bd (+0.51 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.MrazR.Pachtman – E.GinossarOpen20-19.5-0.97+0.15
Round 2T.MrazT.Aa – J.MolbergClosed20-16.3-0.82-1.70
Round 4T.MrazJ.Cruzeiro – J.Dos SantosOpen20+8.3+0.42+0.65
Round 5T.MrazD.Danailov – G.KarakolevClosed20+7.7+0.39+1.90
Round 7T.MrazB.Pazur – S.ZawislakOpen20+4.3+0.21+0.90
Round 8T.MrazP.Bertheau – F.NystromOpen20+23.0+1.15+2.10
Round 10T.MrazA.Levy – H.MouielOpen20+12.1+0.60-0.80
Round 11T.MrazA.Versace – L.LauriaOpen20+13.0+0.65+0.15
Round 12T.MrazJ.Baldursson – T.JonssonOpen20+22.2+1.11+0.40
Round 14T.MrazT.Bakkeren – H.BertensOpen20+26.7+1.33-0.85
Round 15T.MrazM.Gromoeller – A.KirmseClosed20-7.7-0.39-2.10
Round 17T.MrazK.Rubins – I.RubenisOpen20+19.5+0.97+1.90

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
+12.8Round 17🇱🇻 LATVIA134♥x♦A+1+13
+11.6Round 14🇳🇱 NETHERLANDS201NTxx♣A=+14
+11.6Round 17🇱🇻 LATVIA194♥x♠9-3+14
+10.9Round 17🇱🇻 LATVIA126♥♣A-1+11
+10.7Round 10🇫🇷 FRANCE147♣♦9=-2
+10.2Round 1🇮🇱 ISRAEL83♣x♠A=+8
+9.5Round 8🇸🇪 SWEDEN153NT♥10=+11
+8.8Round 10🇫🇷 FRANCE204♠x♥10-2+12
+8.8Round 12🇮🇸 ICELAND55♥x♦K-1+9
+8.6Round 12🇮🇸 ICELAND136♣♠6-1+12
+8.4Round 5🇧🇬 BULGARIA94♥♣Q-2+13
+8.4Round 14🇳🇱 NETHERLANDS153NT♥6=+11
+7.5Round 15🇩🇪 GERMANY194♥♣4-1+10
+7.2Round 8🇸🇪 SWEDEN93NT♥7=+7
+7.1Round 11🇮🇹 ITALY144♥♠A=+11
+6.8Round 17🇱🇻 LATVIA33♥♣A=+6
+6.6Round 14🇳🇱 NETHERLANDS63NT♣9-1+6
+6.5Round 5🇧🇬 BULGARIA123NT♠6=-1
+6.2Round 2🇳🇴 NORWAY104♥♠2=+0
+6.2Round 14🇳🇱 NETHERLANDS134♠-1+12
+5.8Round 7🇵🇱 POLAND14♠♣3=+7
+5.7Round 12🇮🇸 ICELAND93♥♦A=+1
+5.7Round 14🇳🇱 NETHERLANDS144♣♠Q+1+2
+5.7Round 17🇱🇻 LATVIA103NT♥6+2+12
+5.6Round 12🇮🇸 ICELAND15♥♠2=+0
+5.6Round 12🇮🇸 ICELAND196♣♠A-2+11
+5.5Round 11🇮🇹 ITALY13NT♦3=+7
+5.5Round 15🇩🇪 GERMANY111NT♥5+2+6
+5.5Round 15🇩🇪 GERMANY156♠♣J=+0
+5.2Round 1🇮🇱 ISRAEL106♥♦K-2+13
+5.2Round 5🇧🇬 BULGARIA65♥x♠Q=-13
+5.2Round 8🇸🇪 SWEDEN42♠♠2+1+12
+5.2Round 10🇫🇷 FRANCE175♦♥K=+0
+5.2Round 11🇮🇹 ITALY93♦♣3-1+6
+5.1Round 17🇱🇻 LATVIA174♦♥4-1+6
+5.0Round 5🇧🇬 BULGARIA81NT♠5+2+6
+4.9Round 10🇫🇷 FRANCE153NT♠6-2+11
+4.9Round 11🇮🇹 ITALY111NT♠7+2-1
+4.9Round 17🇱🇻 LATVIA13♣♣5-1+11
+4.8Round 8🇸🇪 SWEDEN174♠x♥7-3+2
+4.6Round 5🇧🇬 BULGARIA195♦x♣5-2+3
+4.5Round 7🇵🇱 POLAND173NTx♣A-1+6
+4.5Round 17🇱🇻 LATVIA203♣♦K-2+3
+4.4Round 15🇩🇪 GERMANY32NT♥K=+0
+4.2Round 8🇸🇪 SWEDEN32♥♦3-2+3
+4.1Round 4🇵🇹 PORTUGAL44♥♠A=+9
+4.1Round 15🇩🇪 GERMANY53♠♦5-2+3
+3.9Round 4🇵🇹 PORTUGAL155♦♠K-3+7
+3.9Round 7🇵🇱 POLAND154♥♦5=+11
+3.6Round 11🇮🇹 ITALY124♠♣2=-1
+3.6Round 15🇩🇪 GERMANY136♥♠4+1-13
+3.5Round 2🇳🇴 NORWAY194♥♣3=+0
+3.5Round 8🇸🇪 SWEDEN22NT♥5-3-5
+3.5Round 8🇸🇪 SWEDEN113♦♠7-2+5
+3.4Round 15🇩🇪 GERMANY142♣♦3=+5
+3.3Round 4🇵🇹 PORTUGAL111NT♠6=+5
+3.2Round 7🇵🇱 POLAND63NT♣3+1+0
+3.2Round 11🇮🇹 ITALY203♠♥3=+7
+2.9Round 2🇳🇴 NORWAY12♥♥2+1+1
+2.8Round 1🇮🇱 ISRAEL94♠♠8=+8
+2.8Round 10🇫🇷 FRANCE165♣♦6=+0
+2.8Round 12🇮🇸 ICELAND184♠♥A+1+0
+2.8Round 14🇳🇱 NETHERLANDS51NT♣K-1+4
+2.6Round 4🇵🇹 PORTUGAL193NT♥Q+3+2
+2.6Round 8🇸🇪 SWEDEN193♣♦A=+12
+2.5Round 2🇳🇴 NORWAY24♦♥3=+7
+2.5Round 7🇵🇱 POLAND133NT♣6+1-1
+2.5Round 8🇸🇪 SWEDEN144♥♦10=+0
+2.5Round 11🇮🇹 ITALY163NT♠J-2+8
+2.4Round 4🇵🇹 PORTUGAL26♥♥2+1+1
+2.4Round 8🇸🇪 SWEDEN124♠♦5-1+5
+2.4Round 10🇫🇷 FRANCE182♠♦K-2+0
+2.3Round 2🇳🇴 NORWAY204♠♣A-1+12
+2.1Round 1🇮🇱 ISRAEL172♠♥5-2-1
+2.0Round 5🇧🇬 BULGARIA73♣♣5-1+12
+1.9Round 2🇳🇴 NORWAY44♥♦8=-1
+1.9Round 4🇵🇹 PORTUGAL76NT♥J=-13
+1.9Round 8🇸🇪 SWEDEN105♦♥A-1+12
+1.9Round 12🇮🇸 ICELAND84♥x♠3-3+1
+1.8Round 10🇫🇷 FRANCE193♥♦3=+0
+1.8Round 17🇱🇻 LATVIA44♥♠8=-1
+1.7Round 5🇧🇬 BULGARIA133NT♣7-2+8
+1.7Round 11🇮🇹 ITALY182♠♦A-1+4
+1.7Round 17🇱🇻 LATVIA54♥♦J-2+0
+1.6Round 12🇮🇸 ICELAND73♥♣J=+0
+1.5Round 7🇵🇱 POLAND2Pass-3
+1.5Round 14🇳🇱 NETHERLANDS74♥♠7+1+4
+1.5Round 15🇩🇪 GERMANY42♠♣K+1+0
+1.4Round 1🇮🇱 ISRAEL63NT♣9-1+5
+1.4Round 7🇵🇱 POLAND34♠♥K+1+1
+1.4Round 11🇮🇹 ITALY195♣♥J-1+6
+1.2Round 4🇵🇹 PORTUGAL164♥♠9=+1
+1.2Round 5🇧🇬 BULGARIA144♥♦A+1+11
+1.1Round 1🇮🇱 ISRAEL154♥♦K+1+6
+1.1Round 14🇳🇱 NETHERLANDS82♠♦2-3-6
+0.9Round 10🇫🇷 FRANCE74♥♠2+2+1
+0.8Round 1🇮🇱 ISRAEL112♥♣5-1+1
+0.8Round 2🇳🇴 NORWAY133NT♣3=+2
+0.8Round 4🇵🇹 PORTUGAL62♥♦A+1+0
+0.8Round 11🇮🇹 ITALY104♠♣K=+0
+0.8Round 14🇳🇱 NETHERLANDS175♦♠5=-1
+0.7Round 4🇵🇹 PORTUGAL53NT♠9+4-12
+0.6Round 4🇵🇹 PORTUGAL94♠♣6+2+13
+0.6Round 5🇧🇬 BULGARIA163NT♣3=-1
+0.6Round 7🇵🇱 POLAND161NT♥8=+2
+0.5Round 1🇮🇱 ISRAEL163NT♥6=+0
+0.5Round 4🇵🇹 PORTUGAL83NT♥4+2+1
+0.5Round 4🇵🇹 PORTUGAL203NT♥3=+0
+0.5Round 8🇸🇪 SWEDEN62♠♥2-1+6
+0.5Round 10🇫🇷 FRANCE14♠♦J-2+5
+0.5Round 11🇮🇹 ITALY81NT♣7=+1
+0.5Round 12🇮🇸 ICELAND162NT♠4+1-1
+0.5Round 14🇳🇱 NETHERLANDS123NT♥7+3-12
+0.4Round 4🇵🇹 PORTUGAL13♠♦4-1-2
+0.4Round 10🇫🇷 FRANCE64♠♥A+1+0
+0.3Round 7🇵🇱 POLAND84♠♥A-1+5
+0.2Round 4🇵🇹 PORTUGAL143♦♣A-1-3
+0.2Round 7🇵🇱 POLAND44♥♣A=+1
+0.2Round 7🇵🇱 POLAND182♥♣7=-5
+0.2Round 11🇮🇹 ITALY74♥♠8=+0
+0.2Round 12🇮🇸 ICELAND113NT♣6+3+11
+0.2Round 14🇳🇱 NETHERLANDS103NT♥3+3-12
+0.2Round 14🇳🇱 NETHERLANDS163♦♦J-1-10
+0.1Round 1🇮🇱 ISRAEL44♠♠8+1+0
+0.1Round 2🇳🇴 NORWAY153♠♠K=-6
+0.1Round 5🇧🇬 BULGARIA151NT♣3-2-1
+0.1Round 7🇵🇱 POLAND144♥♠10+1+1
+0.1Round 12🇮🇸 ICELAND123♠♥5=+1
+0.1Round 12🇮🇸 ICELAND203♣♦K=+0
+0.1Round 15🇩🇪 GERMANY124♠♥8-2+0
-0.1Round 1🇮🇱 ISRAEL54♥♣7=+0
-0.1Round 5🇧🇬 BULGARIA115♣♥4=+0
-0.1Round 7🇵🇱 POLAND74NT♥7+3+12
-0.1Round 7🇵🇱 POLAND193♥♣K=+0
-0.1Round 11🇮🇹 ITALY24♠♥3+2+1
-0.1Round 17🇱🇻 LATVIA64♥♣A+1+0
-0.2Round 10🇫🇷 FRANCE23♠♦3+2-7
-0.2Round 10🇫🇷 FRANCE45♦♠A=+0
-0.2Round 12🇮🇸 ICELAND64NT♣Q=+1
-0.2Round 14🇳🇱 NETHERLANDS93NT♣5+1+0
-0.2Round 15🇩🇪 GERMANY73NT♥K=+0
-0.2Round 15🇩🇪 GERMANY104♠♣9=+0
-0.4Round 4🇵🇹 PORTUGAL121NT♦2+2+6
-0.4Round 14🇳🇱 NETHERLANDS22♠♠K-1-6
-0.4Round 17🇱🇻 LATVIA23NT♥2=+0
-0.5Round 1🇮🇱 ISRAEL33NT♥4+2+0
-0.5Round 1🇮🇱 ISRAEL194♥♠3+1+0
-0.5Round 2🇳🇴 NORWAY172♠♥Q+1+0
-0.5Round 11🇮🇹 ITALY34♠♣4=+0
-0.6Round 7🇵🇱 POLAND201NT♦2-1+0
-0.6Round 8🇸🇪 SWEDEN162♦♥4-1-1
-0.6Round 8🇸🇪 SWEDEN184♥♣4+1-1
-0.8Round 1🇮🇱 ISRAEL14♠♠4-1-5
-0.8Round 1🇮🇱 ISRAEL23NT♥2+3-1
-0.8Round 11🇮🇹 ITALY131NT♦A+2-10
-0.8Round 12🇮🇸 ICELAND171NT♥6+1+0
-0.8Round 14🇳🇱 NETHERLANDS184♠♣8-3-11
-0.8Round 17🇱🇻 LATVIA182♠♠3-2+0
-0.9Round 2🇳🇴 NORWAY72♠♣9+2-10
-0.9Round 5🇧🇬 BULGARIA104♠♦Q+1+0
-0.9Round 8🇸🇪 SWEDEN73NT♥10+1-1
-0.9Round 14🇳🇱 NETHERLANDS42♠♥K+2-1
-1.0Round 10🇫🇷 FRANCE114♥♦2+1-2
-1.0Round 17🇱🇻 LATVIA146NT♠6=-10
-1.1Round 12🇮🇸 ICELAND33♠♦6-2-3
-1.3Round 2🇳🇴 NORWAY114♥♦A-1-4
-1.4Round 2🇳🇴 NORWAY163NT♦Q+3-1
-1.4Round 4🇵🇹 PORTUGAL103NT♥3-2+2
-1.4Round 10🇫🇷 FRANCE85♦♠K-1-4
-1.5Round 7🇵🇱 POLAND54♠♠4+1+0
-1.5Round 12🇮🇸 ICELAND105♦♠5+1-13
-1.7Round 1🇮🇱 ISRAEL184♠x♥4-2+5
-1.7Round 5🇧🇬 BULGARIA52♠♦A=-5
-1.7Round 17🇱🇻 LATVIA71NT♦2=-6
-1.8Round 4🇵🇹 PORTUGAL182♠♣A=+0
-1.8Round 17🇱🇻 LATVIA83NT♥10+3+11
-1.9Round 8🇸🇪 SWEDEN12♠♥5+1+0
-1.9Round 10🇫🇷 FRANCE54♠♣Q-1-6
-1.9Round 15🇩🇪 GERMANY93♠♥A-2-2
-2.1Round 12🇮🇸 ICELAND44♠♦Q-2-8
-2.2Round 2🇳🇴 NORWAY51NT♥4=-6
-2.2Round 5🇧🇬 BULGARIA204♥♣A=-9
-2.2Round 8🇸🇪 SWEDEN133♥♣2=+0
-2.3Round 15🇩🇪 GERMANY203♠♦J-1-6
-2.4Round 10🇫🇷 FRANCE35♥♦A-4-8
-2.5Round 2🇳🇴 NORWAY144♠♣K-1-4
-2.5Round 11🇮🇹 ITALY54♠x♣A=-5
-2.5Round 14🇳🇱 NETHERLANDS191NTx♦3-1+0
-2.5Round 15🇩🇪 GERMANY13NT♣7=+0
-2.6Round 4🇵🇹 PORTUGAL33♦♣K-3-2
-2.6Round 7🇵🇱 POLAND106♦x♠K-2+0
-2.6Round 10🇫🇷 FRANCE132♠♣A-3+7
-2.8Round 14🇳🇱 NETHERLANDS32♠♥7+1-7
-2.9Round 10🇫🇷 FRANCE92♠♣3-1-4
-3.0Round 11🇮🇹 ITALY41♦♣Q-1-5
-3.1Round 5🇧🇬 BULGARIA25♠x♣A+2-2
-3.2Round 5🇧🇬 BULGARIA13NT♥3+2+10
-3.3Round 12🇮🇸 ICELAND24♠♣3=+0
-3.4Round 1🇮🇱 ISRAEL123NT♦J-3-2
-3.4Round 5🇧🇬 BULGARIA183NT♥Q=+1
-3.6Round 5🇧🇬 BULGARIA173♥♦K-3+6
-3.7Round 2🇳🇴 NORWAY123♣♥A=-5
-3.7Round 4🇵🇹 PORTUGAL174♥♥5-1-5
-3.8Round 8🇸🇪 SWEDEN52♥♦10-1-5
-3.8Round 12🇮🇸 ICELAND155♣x♠K-1+0
-3.9Round 2🇳🇴 NORWAY32♦♣J+1-8
-3.9Round 15🇩🇪 GERMANY183NT♥10=+0
-4.0Round 5🇧🇬 BULGARIA43♥♦5=+0
-4.1Round 7🇵🇱 POLAND124♦x♠5-1-7
-4.1Round 8🇸🇪 SWEDEN83NT♠9-1-10
-4.1Round 11🇮🇹 ITALY63♦♠K-1-5
-4.1Round 15🇩🇪 GERMANY165♣♦K-1-12
-4.2Round 2🇳🇴 NORWAY64♥♦10-1+5
-4.2Round 7🇵🇱 POLAND93♠♦4=-13
-4.2Round 11🇮🇹 ITALY153♣♣5+1-10
-4.2Round 14🇳🇱 NETHERLANDS114♠♥K-1-4
-4.3Round 2🇳🇴 NORWAY93♦♣10=+0
-4.9Round 4🇵🇹 PORTUGAL134♠♣K-1+3
-5.2Round 1🇮🇱 ISRAEL72♦♣2+2+0
-5.2Round 2🇳🇴 NORWAY184♠♣8-1-6
-5.4Round 5🇧🇬 BULGARIA35♦♣K=+0
-5.8Round 17🇱🇻 LATVIA114♥♦9=+0
-5.9Round 15🇩🇪 GERMANY83NT♠7+1-7
-6.0Round 17🇱🇻 LATVIA93NT♦2+2-1
-6.1Round 10🇫🇷 FRANCE123NT♥3+1-7
-6.1Round 15🇩🇪 GERMANY23NT♣Q-1-10
-6.4Round 2🇳🇴 NORWAY84♠♠4-1-10
-6.5Round 12🇮🇸 ICELAND143NT♦Q+1-14
-6.5Round 15🇩🇪 GERMANY174♠♦K=-7
-6.7Round 7🇵🇱 POLAND113NT♥J=+1
-7.1Round 1🇮🇱 ISRAEL203NT♦6-2-3
-7.1Round 14🇳🇱 NETHERLANDS15♦♠6=+0
-7.6Round 10🇫🇷 FRANCE104♠x♥8-1-12
-8.4Round 11🇮🇹 ITALY176♦♣K-1-11
-9.7Round 15🇩🇪 GERMANY64♠x♣A-3-9
-10.7Round 8🇸🇪 SWEDEN203NT♠8=-10
-10.9Round 1🇮🇱 ISRAEL146♥♣J-1-17
-12.7Round 1🇮🇱 ISRAEL133♣♠9-3-14
-13.2Round 17🇱🇻 LATVIA166♦x♥8=-13
-15.5Round 17🇱🇻 LATVIA157♠♦J-1-18