🇧🇬 KOVACHEV Valentin · BULGARIA

12rank
+87.7Butler · 220 bds
+0.40per board
±4.3swing
-0.01vs par /bd · #49/104
+0.33adjusted /bd
Butler per round: 14.7 13 -25.5 -28.3 11.1 -2.5 20.3 12.7 18.1 20.4 33.7by round

vs par split: bidding +0.09 · play -0.10

Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +0.33/bd

Card play — on target: opening leads 81.4% #42 of 104 · declarer play 82.7% #13 of 104 · defence 81.9% #91 of 104

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (12)83.0% (47)
Declarer play83.3% (12)82.5% (40)
Defence71.9% (32)85.7% (84)

Opening leads by suit led: ♠ 81.2% (16) · ♥ 73.3% (15) · ♦ 81.2% (16) · ♣ 91.7% (12)

vs par by strain: NT -0.24 (58) · a suit +0.07 (162)

vs par by level: part-score +0.55 (71) · game -0.04 (132) · slam -2.12 (17)

By role: declaring -0.08/bd (-2.76 vs par · 104) · defending +0.83/bd (+2.46 vs par · 116)

By vulnerability: vulnerable +0.64/bd (+0.35 vs par · 110) · not vulnerable +0.16/bd (-0.37 vs par · 110)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1V.IsporskiJ.Castanheira – S.Costa PessoaOpen20+14.7+0.73-0.30
Round 2V.IsporskiK.Rubins – J.NeimanisClosed20+13.0+0.65-0.15
Round 4V.IsporskiS.Sester – V.LevenkoClosed20-25.5-1.27-0.60
Round 5V.IsporskiD.Vozabal – J.SlemrOpen20-28.3-1.42+0.90
Round 7V.IsporskiJ.Baldursson – T.JonssonOpen20+11.1+0.55+0.95
Round 9V.IsporskiM.Elinescu – E.WladowClosed20-2.5-0.12-0.60
Round 10V.IsporskiJ.Hansen – M.BildeOpen20+20.3+1.02-0.45
Round 12V.IsporskiJ.Armstrong – J.HollandOpen20+12.7+0.64+1.50
Round 13V.IsporskiJ.Quantin – M.BompisOpen20+18.1+0.91-0.90
Round 14V.IsporskiT.Aa – J.MolbergClosed20+20.4+1.02-0.85
Round 16V.IsporskiM.Kwiecien – R.JagniewskiOpen20+33.7+1.69+0.40

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
+11.8Round 1🇵🇹 PORTUGAL46♠♦A=+13
+11.5Round 16🇵🇱 POLAND156NT♠2=+1
+10.9Round 14🇳🇴 NORWAY23NT♠6=+7
+10.4Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND56♦♥Q=+13
+9.9Round 16🇵🇱 POLAND103NT♥8=+10
+9.1Round 1🇵🇹 PORTUGAL105♦x♠A-2-4
+8.7Round 9🇩🇪 GERMANY54♠♠5=+0
+8.6Round 13🇫🇷 FRANCE125♥♠A-2+6
+8.5Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND186♠♥4-1+11
+8.2Round 2🇱🇻 LATVIA144♠♣K=+8
+7.7Round 7🇮🇸 ICELAND154♥x♠2=+12
+7.6Round 7🇮🇸 ICELAND106♥♣A-1+12
+7.6Round 16🇵🇱 POLAND113NT♦6-1+10
+7.2Round 16🇵🇱 POLAND124♠♥8-3+11
+6.7Round 5🇨🇿 CZECH REP.16♦♥2-1+14
+6.5Round 14🇳🇴 NORWAY114♠♥A=+8
+6.2Round 2🇱🇻 LATVIA104♥♠J=+0
+6.2Round 13🇫🇷 FRANCE175♣♥8-1+10
+6.2Round 14🇳🇴 NORWAY134♠♦6-1+12
+6.1Round 10🇩🇰 DENMARK152NT♣10-3+11
+5.9Round 1🇵🇹 PORTUGAL85♣x♠A-2+9
+5.9Round 2🇱🇻 LATVIA91NT♣10-3+9
+5.9Round 9🇩🇪 GERMANY125♣x♥Q=+6
+5.8Round 1🇵🇹 PORTUGAL113NTx♣K-2+5
+5.7Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND145♥♥10+1+14
+5.6Round 10🇩🇰 DENMARK14♠x♥7-2+9
+5.5Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♥♠6+1+1
+5.4Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♦K-3+9
+5.3Round 14🇳🇴 NORWAY192♦♦6-2+7
+5.3Round 16🇵🇱 POLAND184♠x♠J-4+5
+5.0Round 5🇨🇿 CZECH REP.81NT♠3+2+6
+5.0Round 7🇮🇸 ICELAND115♠♥K-2+11
+4.8Round 10🇩🇰 DENMARK123NT♥2-1+5
+4.6Round 9🇩🇪 GERMANY171♥♠5-2+0
+4.6Round 10🇩🇰 DENMARK163NT♥6+2+2
+4.6Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♣4-1+6
+4.6Round 13🇫🇷 FRANCE143NT♦3-2+5
+4.5Round 7🇮🇸 ICELAND201NT♠5=+5
+4.4Round 9🇩🇪 GERMANY204♠♣6=+13
+4.2Round 14🇳🇴 NORWAY34♠♠7=+0
+4.1Round 4🇪🇪 ESTONIA44♥♠K=+9
+4.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♠♣A+1+1
+3.8Round 16🇵🇱 POLAND44♠♣K+2+13
+3.5Round 13🇫🇷 FRANCE11NT♥5-3+2
+3.4Round 5🇨🇿 CZECH REP.182♠♦3+1+7
+3.4Round 5🇨🇿 CZECH REP.194♠♦7+1+2
+3.2Round 7🇮🇸 ICELAND63NT♣4+1+0
+3.1Round 2🇱🇻 LATVIA23♣♦8=+7
+3.1Round 4🇪🇪 ESTONIA142♥♠K+1+0
+3.0Round 9🇩🇪 GERMANY41NT♠5+3+10
+2.9Round 10🇩🇰 DENMARK146NT♦9+1-11
+2.7Round 1🇵🇹 PORTUGAL144♥♣J+1+14
+2.6Round 10🇩🇰 DENMARK105♥♠A+1-3
+2.5Round 10🇩🇰 DENMARK132♣♠5+1+10
+2.5Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND153NT♥Q-1-2
+2.5Round 14🇳🇴 NORWAY203♣x♥5-1+8
+2.4Round 4🇪🇪 ESTONIA172♥♦K+2+1
+2.4Round 10🇩🇰 DENMARK182♠x♦K-1+0
+2.4Round 13🇫🇷 FRANCE63NT♥Q+1+0
+2.4Round 13🇫🇷 FRANCE195♣♥6-2-6
+2.4Round 16🇵🇱 POLAND93♠♦8+1+1
+2.3Round 2🇱🇻 LATVIA204♠♣K-1+12
+2.2Round 16🇵🇱 POLAND22♥♠K+1+1
+2.1Round 5🇨🇿 CZECH REP.144♥♦A=+11
+2.1Round 7🇮🇸 ICELAND95♦♦6=-11
+2.0Round 2🇱🇻 LATVIA123NT♥7-3+2
+2.0Round 13🇫🇷 FRANCE114♥x♦J-1+6
+1.9Round 2🇱🇻 LATVIA13♠♠10-2+0
+1.9Round 2🇱🇻 LATVIA44♥♣J=-1
+1.9Round 13🇫🇷 FRANCE183♠♠10-1+5
+1.8Round 1🇵🇹 PORTUGAL123NT♦J-2+0
+1.8Round 9🇩🇪 GERMANY113♦♥J-2+8
+1.8Round 10🇩🇰 DENMARK193♥♣7=+0
+1.8Round 16🇵🇱 POLAND84♠x♥K-1+0
+1.7Round 9🇩🇪 GERMANY15♦♠9=-1
+1.7Round 9🇩🇪 GERMANY24♠♥2-3+2
+1.7Round 9🇩🇪 GERMANY143NT♥K+2-10
+1.7Round 16🇵🇱 POLAND163NT♣3+1+0
+1.6Round 4🇪🇪 ESTONIA94♠♦4+1+13
+1.6Round 4🇪🇪 ESTONIA103NT♠10-3+4
+1.6Round 5🇨🇿 CZECH REP.153♦♦2-3+0
+1.6Round 16🇵🇱 POLAND52♠♣2-1+7
+1.5Round 9🇩🇪 GERMANY31NT♠10-2+11
+1.4Round 7🇮🇸 ICELAND34♠♥K+1+1
+1.4Round 14🇳🇴 NORWAY61NT♠4+1+1
+1.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND32NT♥2-2+3
+1.1Round 14🇳🇴 NORWAY82♠♦3-3-6
+1.0Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♥♦9-2+2
+0.9Round 7🇮🇸 ICELAND73NT♥4+3+13
+0.9Round 10🇩🇰 DENMARK74♥♠7+2+1
+0.9Round 16🇵🇱 POLAND134♠♣A+1+0
+0.8Round 1🇵🇹 PORTUGAL14♠♥3-1+5
+0.8Round 1🇵🇹 PORTUGAL23NT♥2+3+1
+0.8Round 2🇱🇻 LATVIA133NT♣2=+2
+0.8Round 4🇪🇪 ESTONIA63♥♥K=+0
+0.8Round 14🇳🇴 NORWAY175♦♥A=-1
+0.7Round 4🇪🇪 ESTONIA33♣♠2-1+1
+0.7Round 4🇪🇪 ESTONIA121NT♠Q+1+7
+0.7Round 13🇫🇷 FRANCE104♠♥A+2-13
+0.6Round 5🇨🇿 CZECH REP.163NT♦J=-1
+0.6Round 7🇮🇸 ICELAND161NT♥7=+2
+0.6Round 7🇮🇸 ICELAND173♥♠A-1+2
+0.5Round 1🇵🇹 PORTUGAL194♥♠3+1+0
+0.5Round 4🇪🇪 ESTONIA83NT♣9+2+1
+0.5Round 4🇪🇪 ESTONIA203NT♥2=+0
+0.5Round 9🇩🇪 GERMANY135♥x♠A-2+4
+0.5Round 14🇳🇴 NORWAY184♠♦K-4-10
+0.4Round 4🇪🇪 ESTONIA13♠♦3-1-2
+0.4Round 10🇩🇰 DENMARK64♠♥A+1+0
+0.3Round 7🇮🇸 ICELAND84♠♥K-1+5
+0.3Round 10🇩🇰 DENMARK34♠♦7-2-6
+0.3Round 14🇳🇴 NORWAY14♠♥A-2+7
+0.2Round 5🇨🇿 CZECH REP.104♠♦Q=+1
+0.2Round 7🇮🇸 ICELAND44♥♦10=+1
+0.2Round 7🇮🇸 ICELAND182♥♠J=-5
+0.2Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♦Q=+1
+0.2Round 13🇫🇷 FRANCE154♥♣A+1+0
+0.2Round 14🇳🇴 NORWAY163NT♣Q-1-10
+0.1Round 2🇱🇻 LATVIA153♠♠K=-6
+0.1Round 10🇩🇰 DENMARK114♥♣5=-1
+0.1Round 16🇵🇱 POLAND34♠♦K=+0
+0.0Round 4🇪🇪 ESTONIA76♣♥3=-13
+0.0Round 10🇩🇰 DENMARK204♠♠5-1+6
+0.0Round 14🇳🇴 NORWAY152♥♦K-4+3
-0.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123♠♣5=-1
-0.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND172♣♥J-2-1
-0.1Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND202♣♦K+1+0
-0.1Round 13🇫🇷 FRANCE93NT♠3+1+0
-0.2Round 10🇩🇰 DENMARK45♦♥3=+0
-0.2Round 14🇳🇴 NORWAY93NT♥K+1+0
-0.4Round 2🇱🇻 LATVIA163NT♦Q+2+0
-0.4Round 16🇵🇱 POLAND143NT♠K+1-1
-0.4Round 16🇵🇱 POLAND201NT♦5+1+0
-0.5Round 1🇵🇹 PORTUGAL74♠♥7-1-6
-0.5Round 1🇵🇹 PORTUGAL163NT♥6=+0
-0.5Round 2🇱🇻 LATVIA172♠♥5+1+0
-0.5Round 5🇨🇿 CZECH REP.25♠x♥K+1+2
-0.5Round 13🇫🇷 FRANCE44♥♥J+2-12
-0.6Round 13🇫🇷 FRANCE24♠♥A+1+0
-0.6Round 13🇫🇷 FRANCE204♠♠Q=+0
-0.8Round 4🇪🇪 ESTONIA26♣♠J=-2
-0.9Round 1🇵🇹 PORTUGAL54♠♦5+1-1
-0.9Round 7🇮🇸 ICELAND144♥♠10=+0
-0.9Round 9🇩🇪 GERMANY184♥♥3=+1
-0.9Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♦Q-1+6
-0.9Round 14🇳🇴 NORWAY42♠♠2+2-1
-1.0Round 10🇩🇰 DENMARK174♦♦3+1-6
-1.0Round 13🇫🇷 FRANCE51NT♣3+3-1
-1.1Round 5🇨🇿 CZECH REP.113NT♦5+1-1
-1.1Round 7🇮🇸 ICELAND192♥♣K=-1
-1.1Round 9🇩🇪 GERMANY92♠♣3=+0
-1.2Round 13🇫🇷 FRANCE34♥♣K=-3
-1.3Round 2🇱🇻 LATVIA32♥♥7+3-6
-1.3Round 2🇱🇻 LATVIA82♠♥A+2-6
-1.3Round 2🇱🇻 LATVIA114♥♦K-1-4
-1.3Round 2🇱🇻 LATVIA184♥♠K-2-1
-1.3Round 9🇩🇪 GERMANY155♦♣2=-5
-1.4Round 7🇮🇸 ICELAND22NT♦2-1-5
-1.4Round 13🇫🇷 FRANCE72♦♥A+1+0
-1.4Round 14🇳🇴 NORWAY51NT♠J=+1
-1.4Round 14🇳🇴 NORWAY143♦♠7+2-6
-1.5Round 7🇮🇸 ICELAND54♠♦2+1+0
-1.5Round 14🇳🇴 NORWAY125♦♠8+1-13
-1.6Round 1🇵🇹 PORTUGAL33NT♠3=-2
-1.6Round 2🇱🇻 LATVIA64♥x♠A-1+7
-1.7Round 2🇱🇻 LATVIA72♠♠5+1-10
-1.7Round 5🇨🇿 CZECH REP.53♣♥5=-5
-1.7Round 7🇮🇸 ICELAND122♠♥10=-5
-1.9Round 1🇵🇹 PORTUGAL133NT♣7=+1
-1.9Round 10🇩🇰 DENMARK53NT♣Q-1-6
-1.9Round 14🇳🇴 NORWAY103NT♦2+1-12
-2.1Round 1🇵🇹 PORTUGAL154♠x♥K-2-7
-2.1Round 1🇵🇹 PORTUGAL172♠♥5-2+1
-2.2Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♠5+1-11
-2.2Round 13🇫🇷 FRANCE163♦♥A-3-7
-2.4Round 4🇪🇪 ESTONIA112♠♥J=-1
-2.4Round 9🇩🇪 GERMANY64♠♣A-2-11
-2.8Round 1🇵🇹 PORTUGAL94♠♠8=-8
-2.9Round 1🇵🇹 PORTUGAL183♠♣A-2-9
-2.9Round 2🇱🇻 LATVIA52♠♣2=-6
-2.9Round 10🇩🇰 DENMARK93♣♠Q-1-4
-3.0Round 5🇨🇿 CZECH REP.204♥♦8+1-10
-3.1Round 1🇵🇹 PORTUGAL63♥♣9-2-6
-3.1Round 5🇨🇿 CZECH REP.43♣♦5=+1
-3.1Round 10🇩🇰 DENMARK86♦♥A-2-5
-3.1Round 16🇵🇱 POLAND65♠x♣3-1-7
-3.2Round 4🇪🇪 ESTONIA152♠♣Q=+1
-3.2Round 5🇨🇿 CZECH REP.172♣♣3+2+7
-3.2Round 13🇫🇷 FRANCE83NT♦Q+2-10
-3.4Round 16🇵🇱 POLAND175♥♦5=-11
-3.5Round 9🇩🇪 GERMANY104♥♣7=+0
-3.6Round 13🇫🇷 FRANCE132♠♠5+1+0
-4.0Round 4🇪🇪 ESTONIA164♠x♥2-4-4
-4.1Round 16🇵🇱 POLAND73NT♠Q-2-13
-4.2Round 5🇨🇿 CZECH REP.73♣♣5+2+10
-4.5Round 16🇵🇱 POLAND194♠♦7+2-11
-4.9Round 4🇪🇪 ESTONIA134♠♣K-1+3
-4.9Round 4🇪🇪 ESTONIA192♥♦K-2-6
-5.4Round 5🇨🇿 CZECH REP.35♦♥J=+0
-5.4Round 7🇮🇸 ICELAND14♠♣5-1-5
-5.4Round 9🇩🇪 GERMANY164♠x♠8-2-5
-5.5Round 5🇨🇿 CZECH REP.133♣♦9-1+1
-5.6Round 10🇩🇰 DENMARK24♠♠5=-11
-5.6Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND15♥♠K=+0
-5.6Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND196♣♦Q-2-11
-5.9Round 5🇨🇿 CZECH REP.94♥♣Q=+1
-5.9Round 9🇩🇪 GERMANY76♣♦J-1-13
-6.1Round 1🇵🇹 PORTUGAL203NT♦7=-12
-6.4Round 16🇵🇱 POLAND14♦♠A-2-8
-7.1Round 2🇱🇻 LATVIA194♥♥2-1-10
-8.2Round 5🇨🇿 CZECH REP.123NT♠7-1-12
-8.2Round 9🇩🇪 GERMANY86♥♠10-1-11
-8.5Round 4🇪🇪 ESTONIA183NT♣5=-7
-9.3Round 9🇩🇪 GERMANY196♠♦5-1-11
-9.4Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND66♠♥7-1-11
-9.5Round 5🇨🇿 CZECH REP.63NT♠K-1-16
-11.2Round 7🇮🇸 ICELAND134♠x♦4-1-13
-12.2Round 14🇳🇴 NORWAY76♥♣5-2-12
-12.3Round 12🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND106♦♥A=+0
-13.2Round 4🇪🇪 ESTONIA53NT♠2-1-17