🇧🇬 SIDEROV Zhivko · BULGARIA

67rank
-39.0Butler · 208 bds
-0.19per board
±4.5swing
-0.23vs par /bd · #66/106
-0.20adjusted /bd
Butler per round: -15.7 2.2 -47.6 -9.4 23.3 -15 20.2 -0.6 -4.7 5.8 8.9 9.3 -15.7by round

vs par split: bidding -0.03 · play -0.22

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.20/bd

Card play — on target: opening leads 88.2% #4 of 106 · declarer play 73.1% #59 of 106 · defence 84.5% #52 of 106

Card play by contract type — on target
vs NTvs a suit
Opening leads84.6% (13)89.5% (38)
Declarer play64.7% (17)77.1% (35)
Defence91.7% (24)82.2% (73)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 83.3% (18) · ♦ 100.0% (13) · ♣ 92.3% (13)

vs par by strain: NT +0.38 (55) · a suit -0.48 (152)

vs par by level: part-score +0.57 (74) · game -0.61 (116) · slam -1.35 (17)

By role: declaring -0.27/bd (-1.84 vs par · 110) · defending -0.14/bd (+1.56 vs par · 97)

By vulnerability: vulnerable -0.30/bd (-0.32 vs par · 104) · not vulnerable -0.08/bd (-0.14 vs par · 104)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.VasilevY.You – W.TanClosed16-15.7-0.98-0.31
Round 3N.VasilevM.Crusizio – R.Garcia Da RosaClosed16+2.2+0.14+2.56
Round 4N.VasilevY.Shao – J.HuClosed16-47.6-2.98-2.12
Round 7N.VasilevT.Battaggia – R.DiasClosed16-9.4-0.59+1.25
Round 9N.VasilevK.Howard – W.BrownClosed16+23.3+1.46-0.38
Round 10N.VasilevJ.Mill – P.HollandsClosed16-15.0-0.94-1.88
Round 12N.VasilevR.Ravichandran – S.KabraClosed16+20.2+1.26+0.50
Round 13N.VasilevM.Rohrberg – M.Dam MortensenClosed16-0.6-0.04+0.44
Round 14N.VasilevG.Gerstner – L.FisherClosed16-4.7-0.29-1.00
Round 16N.VasilevL.Jin – E.ZhouClosed16+5.8+0.36-1.06
Round 17N.VasilevA.Gandoglia – G.Delle CaveClosed16+8.9+0.56+1.44
Round 18N.VasilevL.Yip – L.LeeClosed16+9.3+0.58-0.69
Round 19N.VasilevS.Aita – T.MatsudaOpen16-15.7-0.98-1.75

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
+12.5Round 1🇸🇬 SINGAPORE106♥♣4-2+13
+9.8Round 9COSTA RICA13NT♣3-2+11
+9.3Round 18🇭🇰 CHINA HONG KONG67♣♦Q-1+16
+8.3Round 17🇮🇹 ITALY146♣♥A-3+11
+7.7Round 12🇮🇳 INDIA63NT♥K+1+0
+7.6Round 12🇮🇳 INDIA124♥♣A=+6
+7.5Round 9COSTA RICA43NT♠4=-1
+7.1Round 3🇦🇷 ARGENTINA64♥x♦5-2+12
+7.1Round 12🇮🇳 INDIA83NT♥5=+7
+7.0Round 9COSTA RICA53♠♣K-1+10
+6.9Round 3🇦🇷 ARGENTINA94♠♣5+1+11
+6.8Round 9COSTA RICA122NT♠2+3+13
+6.8Round 12🇮🇳 INDIA14♠♣2-1+8
+6.6Round 18🇭🇰 CHINA HONG KONG105♦♠K-1+13
+6.2Round 10🇦🇺 AUSTRALIA124♥♥4=+0
+6.1Round 13🇩🇰 DENMARK154♠♥A-1+6
+5.9Round 13🇩🇰 DENMARK13NT♣5-1+10
+5.7Round 4🇨🇳 CHINA122♠♣5+1+7
+5.6Round 14🇮🇱 ISRAEL42♣♠K-3+4
+5.5Round 7🇧🇷 BRAZIL135♣♦K=+9
+5.4Round 19🇯🇵 JAPAN133♥♣4=+7
+5.0Round 3🇦🇷 ARGENTINA112NT♦6-5+4
+5.0Round 14🇮🇱 ISRAEL154♠♥5=+0
+4.6Round 4🇨🇳 CHINA94♥♠K=+0
+4.6Round 12🇮🇳 INDIA32♥♣2+1+7
+4.5Round 3🇦🇷 ARGENTINA134♦♣10+2+15
+4.5Round 10🇦🇺 AUSTRALIA55♥x♣A-2+5
+4.5Round 10🇦🇺 AUSTRALIA134♥♠K-1+6
+4.5Round 14🇮🇱 ISRAEL134♠♥4=+0
+4.4Round 9COSTA RICA23♠♣2=+0
+4.3Round 4🇨🇳 CHINA146♥♠K-1+11
+4.3Round 16🇺🇸 USA2134♥♠2-1+6
+4.2Round 16🇺🇸 USA2142♠♦4=+11
+4.2Round 19🇯🇵 JAPAN35♥♦6+1+12
+4.1Round 17🇮🇹 ITALY126♦♠7=-2
+3.9Round 10🇦🇺 AUSTRALIA34♥♦Q-2+6
+3.9Round 13🇩🇰 DENMARK74♥♣Q=+1
+3.9Round 13🇩🇰 DENMARK105♥♦A=+13
+3.9Round 14🇮🇱 ISRAEL83♣♥3-4-5
+3.8Round 12🇮🇳 INDIA54♠♥K-1+6
+3.8Round 19🇯🇵 JAPAN153♣♠K+1+7
+3.6Round 9COSTA RICA32NT♠6=+0
+3.6Round 16🇺🇸 USA295♦x♥K+1-4
+3.6Round 18🇭🇰 CHINA HONG KONG133♠♥7-1+12
+3.5Round 3🇦🇷 ARGENTINA41NT♦4-1-1
+3.5Round 7🇧🇷 BRAZIL63NT♠9+1+7
+3.5Round 14🇮🇱 ISRAEL16Pass+4
+3.3Round 1🇸🇬 SINGAPORE21NT♥Q=+0
+3.3Round 7🇧🇷 BRAZIL36♦♦5=+13
+3.2Round 19🇯🇵 JAPAN54♥♣10=+0
+3.1Round 19🇯🇵 JAPAN123NT♥4+1+10
+3.0Round 18🇭🇰 CHINA HONG KONG23♠♦A-3+8
+2.9Round 7🇧🇷 BRAZIL12♦♣3=+5
+2.8Round 7🇧🇷 BRAZIL83NT♥4=-1
+2.8Round 19🇯🇵 JAPAN21NT♥10+1+0
+2.7Round 13🇩🇰 DENMARK42♣x♦K-1+2
+2.7Round 18🇭🇰 CHINA HONG KONG74♠♦9=+0
+2.5Round 3🇦🇷 ARGENTINA33NT♠2=+6
+2.5Round 7🇧🇷 BRAZIL73♥♠A=+0
+2.5Round 14🇮🇱 ISRAEL13♥♦A+1+4
+2.4Round 3🇦🇷 ARGENTINA153♠♥7-4+2
+2.4Round 12🇮🇳 INDIA161NT♠4+3+2
+2.3Round 3🇦🇷 ARGENTINA102NT♦5-1+5
+2.1Round 17🇮🇹 ITALY84♥♠K=+3
+2.0Round 18🇭🇰 CHINA HONG KONG114♥♣6=-11
+1.9Round 3🇦🇷 ARGENTINA84♠♦6-2+0
+1.9Round 9COSTA RICA133♣♠K-1+6
+1.8Round 16🇺🇸 USA234♠♥K-1-4
+1.8Round 17🇮🇹 ITALY161NT♥3+2+6
+1.6Round 17🇮🇹 ITALY134♠♦9-1+6
+1.5Round 1🇸🇬 SINGAPORE14♥♠Q-2+0
+1.5Round 17🇮🇹 ITALY73♣♠A=+6
+1.4Round 1🇸🇬 SINGAPORE32♠♦6=-1
+1.4Round 9COSTA RICA163NT♥10=+0
+1.4Round 13🇩🇰 DENMARK115♣♣5+1+1
+1.4Round 16🇺🇸 USA2122♠♥10-1-2
+1.4Round 18🇭🇰 CHINA HONG KONG84♥♥4=+0
+1.2Round 1🇸🇬 SINGAPORE82♠♥2=-1
+1.2Round 17🇮🇹 ITALY23NT♥8-1+5
+1.1Round 10🇦🇺 AUSTRALIA83NT♠A+1+0
+1.1Round 13🇩🇰 DENMARK54♥♠6+2+1
+1.1Round 13🇩🇰 DENMARK125♥♣A+1+11
+1.0Round 7🇧🇷 BRAZIL113NT♠2+2+0
+0.9Round 14🇮🇱 ISRAEL143♠♥T=+0
+0.9Round 18🇭🇰 CHINA HONG KONG43NT♦J+1-1
+0.8Round 16🇺🇸 USA221NT♥2-2+0
+0.8Round 16🇺🇸 USA2114♥♥9=+3
+0.8Round 18🇭🇰 CHINA HONG KONG163♣♠A-1+1
+0.7Round 7🇧🇷 BRAZIL162♠♦K=+5
+0.7Round 10🇦🇺 AUSTRALIA13NT♥K+1-1
+0.7Round 10🇦🇺 AUSTRALIA141NT♣4=+2
+0.7Round 13🇩🇰 DENMARK144♥♠7+1+0
+0.6Round 3🇦🇷 ARGENTINA141NT♥3+1+1
+0.5Round 4🇨🇳 CHINA101♠♦A+1+0
+0.5Round 16🇺🇸 USA271♠♠6+3+1
+0.4Round 9COSTA RICA94♦♣8=+0
+0.3Round 10🇦🇺 AUSTRALIA154♠♦2=+0
+0.2Round 13🇩🇰 DENMARK63NT♥J=+2
+0.2Round 17🇮🇹 ITALY152♣♥5=+0
+0.1Round 1🇸🇬 SINGAPORE63NT♥3+1+0
+0.1Round 14🇮🇱 ISRAEL54♥♠8-3+10
-0.0Round 12🇮🇳 INDIA154♠♥6+1+0
+0.0Round 16🇺🇸 USA213NT♣4+1-1
-0.1Round 7🇧🇷 BRAZIL153♣♠2+1+7
-0.1Round 9COSTA RICA143NT♣10+2-11
-0.1Round 12🇮🇳 INDIA145♦x♦8-2+4
-0.1Round 13🇩🇰 DENMARK164♥♥6+1+0
-0.1Round 18🇭🇰 CHINA HONG KONG34♥♣9-1-2
-0.2Round 10🇦🇺 AUSTRALIA161NT♣7+1+0
-0.2Round 16🇺🇸 USA251NT♠6+1-1
-0.2Round 17🇮🇹 ITALY94♠♥9+1+0
-0.3Round 10🇦🇺 AUSTRALIA26NT♦A-1-11
-0.3Round 16🇺🇸 USA2154♥♥4+2-13
-0.3Round 17🇮🇹 ITALY14♠x♦A-2+0
-0.4Round 1🇸🇬 SINGAPORE43NT♦J+1+1
-0.4Round 1🇸🇬 SINGAPORE151NT♠4-1+0
-0.4Round 3🇦🇷 ARGENTINA23NT♦6=+0
-0.5Round 12🇮🇳 INDIA94♥♠2+1+0
-0.5Round 13🇩🇰 DENMARK23NT♠Q+3-13
-0.6Round 9COSTA RICA106♠♦A=+0
-0.6Round 19🇯🇵 JAPAN93NT♠4+1+0
-0.7Round 14🇮🇱 ISRAEL74♠♠6+1-13
-0.8Round 17🇮🇹 ITALY104♥♣2+1+0
-0.9Round 1🇸🇬 SINGAPORE74♥♠Q+1-1
-0.9Round 4🇨🇳 CHINA82♠♦K=+7
-0.9Round 9COSTA RICA63♦♠Q-1-5
-1.0Round 4🇨🇳 CHINA15♣♠A=+1
-1.1Round 12🇮🇳 INDIA45♦♠2-1-12
-1.1Round 17🇮🇹 ITALY62♠♥4-1-1
-1.1Round 19🇯🇵 JAPAN144♥♦3+1-4
-1.2Round 4🇨🇳 CHINA24♠♦4+1+0
-1.2Round 12🇮🇳 INDIA132♠♥10+1+0
-1.2Round 17🇮🇹 ITALY114♥x♠A-2+4
-1.2Round 19🇯🇵 JAPAN74♥♦7-1-12
-1.3Round 4🇨🇳 CHINA133NT♠J+2+0
-1.3Round 16🇺🇸 USA262♥♣K+1-6
-1.3Round 19🇯🇵 JAPAN83NT♦Q-1-5
-1.6Round 1🇸🇬 SINGAPORE111NT♥J=+1
-1.6Round 16🇺🇸 USA2164♠♥6-2+0
-1.8Round 12🇮🇳 INDIA24♠♣Q+1+0
-1.8Round 17🇮🇹 ITALY54♠♥8-2-7
-1.9Round 14🇮🇱 ISRAEL33♥♣8=+7
-2.0Round 18🇭🇰 CHINA HONG KONG153NT♠Q+1+0
-2.2Round 7🇧🇷 BRAZIL42NT♣2=-1
-2.3Round 16🇺🇸 USA282NT♠K-2-5
-2.4Round 18🇭🇰 CHINA HONG KONG93NT♦5-1-12
-2.6Round 9COSTA RICA152♥♦6-3-4
-2.7Round 4🇨🇳 CHINA45♣x♠K-1-8
-2.7Round 13🇩🇰 DENMARK32♣♥3+1+0
-2.8Round 4🇨🇳 CHINA65♠♦9=+0
-2.8Round 9COSTA RICA84♥♣10-1-4
-2.8Round 16🇺🇸 USA242♠x♣3-2-14
-2.8Round 19🇯🇵 JAPAN113♣x♣J-1-7
-2.9Round 10🇦🇺 AUSTRALIA43♠♥K-1-9
-2.9Round 13🇩🇰 DENMARK93♥♣7-1-4
-2.9Round 19🇯🇵 JAPAN13♠♦10=-6
-3.1Round 16🇺🇸 USA2103NT♠4+2+12
-3.1Round 17🇮🇹 ITALY44♠x♥A+1-8
-3.2Round 10🇦🇺 AUSTRALIA113♠♣Q+1-4
-3.2Round 14🇮🇱 ISRAEL63♦♠Q-1+1
-3.3Round 14🇮🇱 ISRAEL115♥♦K+1-11
-3.3Round 18🇭🇰 CHINA HONG KONG122NT♠6+1-6
-3.3Round 18🇭🇰 CHINA HONG KONG146♥♠J-3-15
-3.4Round 17🇮🇹 ITALY34♠x♠3-3+0
-3.5Round 1🇸🇬 SINGAPORE94♥♣6-2+0
-3.5Round 7🇧🇷 BRAZIL93♥♥3-2+11
-3.6Round 18🇭🇰 CHINA HONG KONG53NT♥10+2-1
-3.6Round 19🇯🇵 JAPAN43NT♥2=+0
-3.7Round 1🇸🇬 SINGAPORE123NT♥6=+1
-3.7Round 4🇨🇳 CHINA72♠♣3-1-5
-3.8Round 10🇦🇺 AUSTRALIA71NT♦2+1+1
-3.8Round 12🇮🇳 INDIA112♠♣K=-11
-3.9Round 1🇸🇬 SINGAPORE144♠♥Q=+0
-4.2Round 12🇮🇳 INDIA74♥♣Q+1-1
-4.3Round 7🇧🇷 BRAZIL24♥♥5-1-9
-4.7Round 7🇧🇷 BRAZIL142NT♠3-1-10
-4.8Round 3🇦🇷 ARGENTINA54♠♦7=+0
-4.8Round 7🇧🇷 BRAZIL102♠♣2+3-10
-4.8Round 9COSTA RICA114♥♣2=-8
-4.8Round 14🇮🇱 ISRAEL93NT♦7+1+1
-4.8Round 14🇮🇱 ISRAEL104♥♦Q+3-2
-4.9Round 3🇦🇷 ARGENTINA166♣♠Q=+2
-4.9Round 14🇮🇱 ISRAEL21NT♠6-2-5
-5.1Round 13🇩🇰 DENMARK82♣♣A-2-6
-5.2Round 1🇸🇬 SINGAPORE165♣♣A=+1
-5.4Round 10🇦🇺 AUSTRALIA104♥♦5=-3
-5.6Round 4🇨🇳 CHINA115♣♥A-1-10
-5.8Round 19🇯🇵 JAPAN64♥♥5+2-11
-5.9Round 7🇧🇷 BRAZIL124♥♦6-1+1
-6.1Round 3🇦🇷 ARGENTINA74♠♥2-1-6
-6.1Round 7🇧🇷 BRAZIL53♥x♦J-1-7
-6.3Round 18🇭🇰 CHINA HONG KONG15♥x♠K=-13
-6.6Round 1🇸🇬 SINGAPORE136♥x♣3=-6
-6.8Round 4🇨🇳 CHINA166♣♠3=-7
-7.1Round 12🇮🇳 INDIA104♥♠3-2-8
-7.1Round 14🇮🇱 ISRAEL124♥♣A-1-11
-7.3Round 19🇯🇵 JAPAN103♥♣J-3-9
-7.7Round 9COSTA RICA74♥♦3-2-13
-7.7Round 10🇦🇺 AUSTRALIA64♠♦K=-7
-8.6Round 3🇦🇷 ARGENTINA126♦♣A=+0
-9.5Round 1🇸🇬 SINGAPORE56♥♠4-1-13
-9.7Round 3🇦🇷 ARGENTINA14♠♣7-1-10
-11.1Round 4🇨🇳 CHINA155♥♣2-1-12
-11.6Round 19🇯🇵 JAPAN165♥x♦2-5-10
-12.5Round 4🇨🇳 CHINA57♦x♥2-2-18
-13.1Round 4🇨🇳 CHINA37♠♠8=+0
-13.4Round 10🇦🇺 AUSTRALIA95♠x♣K=-15
-16.3Round 13🇩🇰 DENMARK136♦x♥2=-17