🇧🇬 SIDEROV Zhivko · BULGARIA

84rank
-71.5Butler · 260 bds
-0.28per board
±4.2swing
-0.43vs par /bd · #80/110
-0.29adjusted /bd
Butler per round: 18 19.2 -6.1 -6.5 -5.5 -30.9 -34.4 -28.3 10.9 23 -9.8 -24.7 3.6by round

vs par split: bidding -0.58 · play +0.05

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.29/bd

Card play — on target: opening leads 90.5% #3 of 110 · declarer play 83.6% #4 of 110 · defence 87.8% #37 of 110

Card play by contract type — on target
vs NTvs a suit
Opening leads78.6% (14)93.9% (49)
Declarer play77.8% (18)86.5% (37)
Defence91.7% (24)86.8% (91)

Opening leads by suit led: ♠ 78.6% (14) · ♥ 95.7% (23) · ♦ 94.4% (18) · ♣ 87.5% (8)

vs par by strain: NT -1.24 (66) · a suit -0.14 (193)

vs par by level: part-score -0.17 (105) · game -0.78 (136) · slam +0.78 (18)

By role: declaring -0.24/bd (-2.66 vs par · 135) · defending -0.31/bd (+1.97 vs par · 125)

By vulnerability: vulnerable -0.56/bd (-0.94 vs par · 130) · not vulnerable +0.01/bd (+0.07 vs par · 130)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.VasilevI.Epure – I.DimaClosed20+18.0+0.90-0.05
Round 3N.VasilevM.Siarebrany – S.KarbanovichOpen20+19.2+0.96-1.05
Round 4N.VasilevA.Aimala – V.FagerlundClosed20-6.1-0.30-2.80
Round 6N.VasilevJ.Spangenberg – J.LankveldClosed20-6.5-0.33+0.30
Round 7N.VasilevT.Coudert – C.LorenziniOpen20-5.5-0.28+0.95
Round 8N.VasilevS.Shah – B.LettsClosed20-30.9-1.54-1.70
Round 10N.VasilevD.Gullberg – J.KarlssonOpen20-34.4-1.72-0.35
Round 11N.VasilevT.Grude – E.SkjetneClosed20-28.3-1.42-0.15
Round 13N.VasilevJ.Djilovic – A.MijicOpen20+10.9+0.55+0.35
Round 14N.VasilevK.Zylka – J.KralikOpen20+23.0+1.15+3.10
Round 16N.VasilevM.Di Franco – G.ZanasiOpen20-9.8-0.49-1.70
Round 18N.VasilevZ.Wagner – B.FischerOpen20-24.7-1.23-1.80
Round 19N.VasilevN.Djukanovic – V.TrnavacOpen20+3.6+0.18-0.75

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
+10.1Round 10🇸🇪 SWEDEN164♥♠A-1+10
+9.4Round 14🇨🇿 CZECH REPUBLIC86♠♣Q-1+14
+9.2Round 1🇷🇴 ROMANIA95♥-1+12
+9.0Round 19🇷🇸 SERBIA174♥♣10-1+10
+8.8Round 14🇨🇿 CZECH REPUBLIC196♣♠A-1+13
+8.8Round 16🇮🇹 ITALY106♦♠K=-2
+8.5Round 14🇨🇿 CZECH REPUBLIC166NT♠6+1+13
+8.3Round 3BELARUS73NT♠J-1+12
+8.2Round 11🇳🇴 NORWAY16♥x♠A-1+9
+7.7Round 19🇷🇸 SERBIA64♠x♥J+1+8
+7.4Round 13🇭🇷 CROATIA32♣♥7-2+8
+7.3Round 7🇫🇷 FRANCE204♠x♦K=+11
+7.2Round 4🇫🇮 FINLAND113NT♥3=+7
+7.0Round 7🇫🇷 FRANCE123NT♥10+2+0
+7.0Round 13🇭🇷 CROATIA93NT♠2=+7
+6.8Round 18🇭🇺 HUNGARY23NT♠7-3+10
+6.3Round 1🇷🇴 ROMANIA64♥=+11
+6.2Round 13🇭🇷 CROATIA204♠x♣K-3+4
+5.9Round 16🇮🇹 ITALY94♠♣K=+3
+5.8Round 6🇳🇱 NETHERLANDS182♥♥7-2+7
+5.6Round 7🇫🇷 FRANCE164♠♠Q+2+9
+5.4Round 6🇳🇱 NETHERLANDS44♥-1+6
+5.3Round 11🇳🇴 NORWAY124♠♦8-1+6
+5.2Round 4🇫🇮 FINLAND94♠♥6-2+8
+5.2Round 10🇸🇪 SWEDEN15♥♣2-2+11
+5.0Round 11🇳🇴 NORWAY66NT♦3+1+11
+5.0Round 14🇨🇿 CZECH REPUBLIC114♥♣10=+0
+4.9Round 1🇷🇴 ROMANIA126♦♥6=+0
+4.5Round 4🇫🇮 FINLAND183♥♠8-2+6
+4.4Round 1🇷🇴 ROMANIA132♥♦A+2+7
+4.4Round 16🇮🇹 ITALY144♥♠K-1+10
+4.3Round 14🇨🇿 CZECH REPUBLIC155♥♣K=+4
+4.2Round 4🇫🇮 FINLAND174♠♦A=+0
+4.2Round 16🇮🇹 ITALY173♠♦3=+0
+4.1Round 10🇸🇪 SWEDEN22♠♠3=+6
+4.0Round 13🇭🇷 CROATIA73NT♥10=+10
+3.9Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♠♥3-2+8
+3.9Round 16🇮🇹 ITALY114♥♠K-1+10
+3.8Round 3BELARUS43NT♠2+2+0
+3.8Round 13🇭🇷 CROATIA51♠♥K+1+11
+3.7Round 18🇭🇺 HUNGARY87♠♥K=+0
+3.6Round 1🇷🇴 ROMANIA174♠♦Q+1+0
+3.6Round 7🇫🇷 FRANCE154♥♦5-1+5
+3.5Round 1🇷🇴 ROMANIA153NT♠2=+0
+3.5Round 3BELARUS84♠♥K-3-6
+3.4Round 3BELARUS34♠♦9+2+2
+3.4Round 19🇷🇸 SERBIA31NT♠K+1-1
+3.3Round 1🇷🇴 ROMANIA143NT♦K+1+1
+3.0Round 7🇫🇷 FRANCE174♥♠A-1+4
+3.0Round 14🇨🇿 CZECH REPUBLIC23♠♥8-1+5
+3.0Round 14🇨🇿 CZECH REPUBLIC143♠♦K-1+4
+3.0Round 18🇭🇺 HUNGARY104♠♥10-1+12
+2.9Round 10🇸🇪 SWEDEN182♠♥3+1+8
+2.9Round 13🇭🇷 CROATIA82♠♣J+1+1
+2.9Round 18🇭🇺 HUNGARY162♠♥6=+0
+2.8Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND41NT♥6=-2
+2.8Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♠♥K=-1
+2.8Round 11🇳🇴 NORWAY102♠♦K=+11
+2.7Round 3BELARUS23♠♣K-3+6
+2.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23♠♥10-1-2
+2.6Round 6🇳🇱 NETHERLANDS124♠♣A=+0
+2.6Round 7🇫🇷 FRANCE82♦♥10-2+5
+2.5Round 4🇫🇮 FINLAND133NT♥5=+0
+2.5Round 13🇭🇷 CROATIA64♠♣7+1+13
+2.4Round 13🇭🇷 CROATIA174♥♥4-1+4
+2.1Round 7🇫🇷 FRANCE112♠x♠10-3+2
+2.0Round 7🇫🇷 FRANCE24♥♠A=+3
+2.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND52♥♠6-1+4
+2.0Round 10🇸🇪 SWEDEN73NT♠J-1+6
+2.0Round 14🇨🇿 CZECH REPUBLIC181NT♠2=+0
+2.0Round 16🇮🇹 ITALY51NT♣3+1+0
+2.0Round 19🇷🇸 SERBIA156♦♠6=+0
+1.9Round 4🇫🇮 FINLAND103NT♣9+1+0
+1.8Round 6🇳🇱 NETHERLANDS112♠♦6=+0
+1.8Round 13🇭🇷 CROATIA144♥♠6=+0
+1.7Round 3BELARUS183♣♠J-3+0
+1.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND175♣♠3+1+11
+1.6Round 1🇷🇴 ROMANIA203NT♦8+3-13
+1.6Round 3BELARUS144♥♥6+2-11
+1.6Round 3BELARUS162NT♠5-2+7
+1.6Round 16🇮🇹 ITALY181NT♠9+1+0
+1.5Round 3BELARUS13♠♣A+2+7
+1.5Round 6🇳🇱 NETHERLANDS22♥=+0
+1.5Round 16🇮🇹 ITALY152♠♣3+1-7
+1.4Round 6🇳🇱 NETHERLANDS142♠♦T+1+7
+1.4Round 6🇳🇱 NETHERLANDS151NT♦5+4+9
+1.3Round 3BELARUS104♥♣10+1+0
+1.3Round 4🇫🇮 FINLAND142♠♦3+3-12
+1.1Round 18🇭🇺 HUNGARY142♥♥5=+0
+1.0Round 1🇷🇴 ROMANIA185♥♦K+1+11
+1.0Round 4🇫🇮 FINLAND123♣♦6+1+0
+1.0Round 14🇨🇿 CZECH REPUBLIC102♠♥K=+0
+1.0Round 14🇨🇿 CZECH REPUBLIC122♠♥4-1+5
+1.0Round 18🇭🇺 HUNGARY132♠♣A+1+1
+1.0Round 19🇷🇸 SERBIA183NT♠10=+0
+0.9Round 3BELARUS64♥♣K+2-11
+0.9Round 7🇫🇷 FRANCE63NT♣4-1-4
+0.9Round 11🇳🇴 NORWAY204♠♦A-1+0
+0.9Round 13🇭🇷 CROATIA44♠♠7=+1
+0.9Round 14🇨🇿 CZECH REPUBLIC63♦♠Q-1+5
+0.8Round 7🇫🇷 FRANCE43NT♥J=+12
+0.8Round 16🇮🇹 ITALY192♥♦K+1+0
+0.7Round 3BELARUS154♠♠6=+0
+0.7Round 14🇨🇿 CZECH REPUBLIC73NT♦4-1-6
+0.7Round 16🇮🇹 ITALY83NT♣3+1+0
+0.6Round 1🇷🇴 ROMANIA13NT=-1
+0.6Round 4🇫🇮 FINLAND83NT♦6+1-10
+0.6Round 10🇸🇪 SWEDEN154♠♥K=+9
+0.6Round 18🇭🇺 HUNGARY31NT♦Q-1-1
+0.5Round 1🇷🇴 ROMANIA22NT-1+5
+0.5Round 1🇷🇴 ROMANIA83NT=+0
+0.5Round 19🇷🇸 SERBIA142♣♣9-2+0
+0.4Round 3BELARUS173NT♥Q+1+1
+0.4Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♥♦A-2-7
+0.4Round 18🇭🇺 HUNGARY113♥♣2-1-4
+0.4Round 19🇷🇸 SERBIA114♠♣A+1+0
+0.3Round 3BELARUS116NT♠6+1+1
+0.3Round 4🇫🇮 FINLAND43NT♥4+4-12
+0.3Round 6🇳🇱 NETHERLANDS163NT+1-1
+0.3Round 7🇫🇷 FRANCE102♥♦K=+1
+0.3Round 13🇭🇷 CROATIA183NT♦4=+1
+0.2Round 18🇭🇺 HUNGARY185♠♥10=+0
+0.2Round 19🇷🇸 SERBIA206♠♦A=+0
+0.1Round 4🇫🇮 FINLAND12♥♠10-1+1
+0.1Round 4🇫🇮 FINLAND15Pass-3
+0.1Round 6🇳🇱 NETHERLANDS74♥+1+0
+0.1Round 10🇸🇪 SWEDEN192♠♥K+1+6
+0.1Round 13🇭🇷 CROATIA133♦♣5+1+8
+0.0Round 1🇷🇴 ROMANIA34♠+2-11
-0.0Round 1🇷🇴 ROMANIA163NT♥9+1+0
+0.0Round 3BELARUS52♦♠3-1-5
-0.0Round 6🇳🇱 NETHERLANDS32♦=+1
-0.0Round 19🇷🇸 SERBIA25♣♦9-1-6
-0.1Round 16🇮🇹 ITALY62♠♦K-1-2
-0.1Round 18🇭🇺 HUNGARY42♠♥10=+0
-0.2Round 11🇳🇴 NORWAY135♥♠K+1+14
-0.2Round 13🇭🇷 CROATIA14♥♣K=+1
-0.2Round 16🇮🇹 ITALY33♦♣K+1-6
-0.4Round 4🇫🇮 FINLAND162♦♥A=+0
-0.4Round 14🇨🇿 CZECH REPUBLIC54♠♦4=+1
-0.5Round 10🇸🇪 SWEDEN42♠♠2+1-10
-0.5Round 10🇸🇪 SWEDEN174♥♦J=+1
-0.5Round 11🇳🇴 NORWAY161NT♥2=+1
-0.6Round 3BELARUS193NT♠4+3-11
-0.6Round 16🇮🇹 ITALY12♠♣2+1-6
-0.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND164♥♠K+1-1
-0.7Round 11🇳🇴 NORWAY82♣x♦8-1+1
-0.7Round 19🇷🇸 SERBIA71NT♠7+1+10
-0.8Round 1🇷🇴 ROMANIA193♣=+0
-0.8Round 19🇷🇸 SERBIA83♠♦A+2-6
-0.9Round 3BELARUS134♥♦Q+1+0
-0.9Round 3BELARUS204♠♦J+1+1
-0.9Round 6🇳🇱 NETHERLANDS84♠=+11
-0.9Round 14🇨🇿 CZECH REPUBLIC32♠♠3-3+10
-0.9Round 19🇷🇸 SERBIA94♠♦10+1+0
-1.0Round 6🇳🇱 NETHERLANDS64♠-1-5
-1.0Round 6🇳🇱 NETHERLANDS103♥♣4=+0
-1.0Round 6🇳🇱 NETHERLANDS204♥♦A+2-13
-1.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♦K+2+11
-1.0Round 16🇮🇹 ITALY44♥♦Q=+13
-1.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143♥♣3-1-5
-1.1Round 19🇷🇸 SERBIA164♠♠2-1-5
-1.2Round 11🇳🇴 NORWAY71NT♥3=+0
-1.2Round 14🇨🇿 CZECH REPUBLIC203♥♣5=-10
-1.3Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND31NT♠10+2+0
-1.3Round 18🇭🇺 HUNGARY192♠♦K=+1
-1.4Round 7🇫🇷 FRANCE74♠♥K+2-13
-1.4Round 18🇭🇺 HUNGARY203♥♠6+1-10
-1.5Round 4🇫🇮 FINLAND64♥♦9-1-10
-1.5Round 19🇷🇸 SERBIA13♠♦6=-1
-1.5Round 19🇷🇸 SERBIA194♠♥5=+1
-1.6Round 7🇫🇷 FRANCE134♠♣8+1-4
-1.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♦♠3-1-4
-1.6Round 18🇭🇺 HUNGARY93♠♦K-1+5
-1.7Round 10🇸🇪 SWEDEN121♠♣3+1+0
-1.8Round 4🇫🇮 FINLAND53♠x♥10-2+9
-1.8Round 6🇳🇱 NETHERLANDS55♥x-3+4
-1.8Round 6🇳🇱 NETHERLANDS193♠-1+0
-1.8Round 13🇭🇷 CROATIA193NT♦5+3-11
-1.8Round 14🇨🇿 CZECH REPUBLIC15♦♦8-1-5
-1.8Round 19🇷🇸 SERBIA123♦♦10=+0
-1.9Round 19🇷🇸 SERBIA104♠♦A-2-7
-1.9Round 19🇷🇸 SERBIA132♠♥2+1+0
-2.0Round 7🇫🇷 FRANCE93♥♣10=+0
-2.2Round 10🇸🇪 SWEDEN53♠♣A-1+1
-2.2Round 10🇸🇪 SWEDEN113♣♦K-2+1
-2.2Round 14🇨🇿 CZECH REPUBLIC93♦x♠A-2+13
-2.2Round 16🇮🇹 ITALY21NT♥4-3+0
-2.3Round 1🇷🇴 ROMANIA43♣-1-6
-2.3Round 18🇭🇺 HUNGARY52♠♥Q-1-4
-2.4Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♥10+1+0
-2.4Round 10🇸🇪 SWEDEN93♦♠5-1+1
-2.4Round 11🇳🇴 NORWAY153♥♠5=+10
-2.5Round 13🇭🇷 CROATIA113♣♥Q-1-5
-2.7Round 11🇳🇴 NORWAY23NT♠2-2-6
-2.9Round 13🇭🇷 CROATIA21NT♥5-4-9
-3.0Round 6🇳🇱 NETHERLANDS132♠♥3+2-10
-3.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♦2=+1
-3.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♥♣5+1+0
-3.0Round 13🇭🇷 CROATIA153NT♣Q+2+0
-3.1Round 11🇳🇴 NORWAY142♠♥2-1-4
-3.2Round 1🇷🇴 ROMANIA113NT♥9-3-6
-3.3Round 7🇫🇷 FRANCE52♥♠A+1+0
-3.3Round 11🇳🇴 NORWAY44♥♦9=+1
-3.4Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND91NT♥5+1-6
-3.4Round 10🇸🇪 SWEDEN33♠♦9=+0
-3.4Round 11🇳🇴 NORWAY34♥♠9+3-17
-3.6Round 1🇷🇴 ROMANIA73NT+3-1
-3.7Round 6🇳🇱 NETHERLANDS173♠♥Q+1-1
-3.7Round 11🇳🇴 NORWAY94♠♣8=-12
-3.7Round 18🇭🇺 HUNGARY14♠x♥10-1-5
-3.9Round 4🇫🇮 FINLAND203♥♦10+3-9
-4.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND73NT♦6+1-13
-4.1Round 19🇷🇸 SERBIA43♠♣A=-12
-4.3Round 3BELARUS93NT♥Q=-3
-4.3Round 7🇫🇷 FRANCE144♣♥3-1-5
-4.3Round 11🇳🇴 NORWAY175♣x♥Q=-3
-4.4Round 7🇫🇷 FRANCE186♦♠4=+2
-4.4Round 14🇨🇿 CZECH REPUBLIC44♥♠10=-10
-4.4Round 19🇷🇸 SERBIA54♦♣7-2-6
-4.6Round 6🇳🇱 NETHERLANDS13NT=+0
-4.8Round 4🇫🇮 FINLAND23♦♥A-3-4
-4.8Round 10🇸🇪 SWEDEN63NT♥7=-10
-4.9Round 11🇳🇴 NORWAY54♥♠9=+0
-4.9Round 11🇳🇴 NORWAY193NT♠Q-3-10
-4.9Round 16🇮🇹 ITALY124♥♠3+1-11
-5.0Round 13🇭🇷 CROATIA103♥♥4-1-11
-5.3Round 4🇫🇮 FINLAND33NT♦6+3-1
-5.4Round 1🇷🇴 ROMANIA104♥♦A=-10
-5.4Round 18🇭🇺 HUNGARY76NT♣J+1-13
-5.5Round 11🇳🇴 NORWAY113NT♦6-1-5
-5.6Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♠J-4-12
-5.7Round 18🇭🇺 HUNGARY125♣♠J=-7
-5.8Round 3BELARUS122♦♣K-1-11
-6.0Round 7🇫🇷 FRANCE13NT♥6+1+1
-6.0Round 10🇸🇪 SWEDEN83♥x♠Q-3-8
-6.0Round 18🇭🇺 HUNGARY63♥♠10-3-9
-6.0Round 18🇭🇺 HUNGARY154♠♥K+1+0
-6.1Round 1🇷🇴 ROMANIA54♥=+0
-6.1Round 14🇨🇿 CZECH REPUBLIC136♠♥7=+13
-6.3Round 16🇮🇹 ITALY205♦x♠4=-11
-6.4Round 10🇸🇪 SWEDEN201NT♠J-3-5
-6.4Round 13🇭🇷 CROATIA163NT♥K-1-14
-6.6Round 13🇭🇷 CROATIA125♣♠J-1-12
-7.0Round 4🇫🇮 FINLAND194♠♥7-2-11
-7.2Round 7🇫🇷 FRANCE195♦♥9=-7
-7.2Round 10🇸🇪 SWEDEN146♣♦3-1-14
-7.6Round 14🇨🇿 CZECH REPUBLIC172♠x♠8-1-7
-7.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND116♦♠K=-3
-7.7Round 16🇮🇹 ITALY164♠♥J=-7
-7.9Round 16🇮🇹 ITALY73NT♠J-4-11
-8.0Round 6🇳🇱 NETHERLANDS92♦-6-9
-8.0Round 10🇸🇪 SWEDEN134♠♥A=-3
-9.7Round 11🇳🇴 NORWAY183NT♥A=-10
-10.3Round 4🇫🇮 FINLAND75♣x♠3-2-15
-10.5Round 7🇫🇷 FRANCE34♠♣K=-3
-10.9Round 18🇭🇺 HUNGARY174♥x♠2=-12
-12.4Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND186♣♦3-1-13
-12.7Round 16🇮🇹 ITALY135♦x♣3-3-7
-14.1Round 10🇸🇪 SWEDEN106♥♦6-1-17