🇵🇱 GROCHOWSKI Albert · POLAND

33rank
+55.1Butler · 120 bds
+0.46per board
±4.6swing
+1.08vs par /bd · #7/92
+0.23adjusted /bd
Butler per round: -1.9 39.8 23.5 7.3 28.3 -1.3 -13.9 -28.4 2.3 -0.6by round

vs par split: bidding +0.87 · play +0.22

Strength of schedule: opponents averaged -0.23/bd (an easy draw) → opponent-adjusted +0.23/bd

Card play — on target: opening leads 85.7% #10 of 92 · declarer play 80.8% #13 of 92 · defence 79.7% #55 of 92

Card play by contract type — on target
vs NTvs a suit
Opening leads77.8% (9)89.5% (19)
Declarer play75.0% (8)83.3% (18)
Defence77.3% (22)80.9% (47)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 100.0% (6) · ♦ 66.7% (6) · ♣ 88.9% (9)

vs par by strain: NT +2.00 (37) · a suit +0.68 (83)

vs par by level: part-score +1.32 (50) · game +0.81 (64) · slam +2.00 (6)

By role: declaring +2.00/bd (+0.72 vs par · 51) · defending -0.68/bd (+1.35 vs par · 69)

By vulnerability: vulnerable -0.42/bd (+0.63 vs par · 60) · not vulnerable +1.34/bd (+1.53 vs par · 60)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1DZIUBA JAKUBI.Er – S.BoraClosed12-1.9-0.16+0.00
Round 2DZIUBA JAKUBM.Mokgethi – R.LentsweClosed12+39.8+3.32+2.50
Round 6DZIUBA JAKUBPATEL VINAY – PATEL KUNALOpen12+23.5+1.96+3.50
Round 7DZIUBA JAKUBC.Johnsen – M.SaetreOpen12+7.3+0.61+1.67
Round 8DZIUBA JAKUBR.Xie – L.HsuOpen12+28.3+2.36+2.25
Round 10DZIUBA JAKUBC.Pedersen – A.BuneClosed12-1.3-0.11+0.00
Round 12DZIUBA JAKUBR.Xiao – J.YueOpen12-13.9-1.16-1.42
Round 15DZIUBA JAKUBO.Selby – A.CopeOpen12-28.4-2.37-2.08
Round 16DZIUBA JAKUBT.Fu – L.TangOpen12+2.3+0.19+2.42
Round 17DZIUBA JAKUBH.Dong – M.ZhaoOpen12-0.6-0.05+2.00

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
+10.3Round 2BOTSWANA23NT♣6-2+13
+10.2Round 6🇮🇳 INDIA33NT♥5+3+8
+9.8Round 8🇹🇼 CHINESE TAIPEI53NT♦2-1+10
+9.5Round 2BOTSWANA104♥♣J=+10
+9.5Round 17🇨🇦 CANADA83NT♣2=+7
+8.4Round 8🇹🇼 CHINESE TAIPEI113♦♥2-6+10
+7.4Round 16🇨🇳 CHINA 197♠♠3=+0
+7.3Round 1🇹🇷 TURKEY123NT♠8=+10
+7.0Round 8🇹🇼 CHINESE TAIPEI43NT♥7+1+11
+6.4Round 1🇹🇷 TURKEY64♠♣6-2+13
+6.2Round 6🇮🇳 INDIA44♠♣9+1+0
+6.1Round 10🇩🇰 DENMARK23NT♣2-1+6
+6.1Round 16🇨🇳 CHINA 1125♥♠Q+1+9
+5.6Round 6🇮🇳 INDIA126NT♦6-3+11
+5.6Round 10🇩🇰 DENMARK13♥♣A+1+7
+5.5Round 2BOTSWANA94♠♦9+1+0
+5.1Round 2BOTSWANA62NT♥8+1+7
+4.8Round 7🇳🇴 NORWAY22♥♥4+1+2
+4.8Round 8🇹🇼 CHINESE TAIPEI102♠♦A=+6
+4.8Round 17🇨🇦 CANADA24♠♣3=+12
+4.7Round 7🇳🇴 NORWAY33♣♥A=+11
+4.6Round 7🇳🇴 NORWAY84♠♦K+3+14
+4.5Round 6🇮🇳 INDIA92♥♠A+2+8
+4.5Round 16🇨🇳 CHINA 164♥♦10=+0
+4.3Round 6🇮🇳 INDIA114♠♦J+1+1
+4.0Round 6🇮🇳 INDIA22NT♠3-1+5
+3.8Round 1🇹🇷 TURKEY34♠♦A+1+0
+3.5Round 12🇺🇸 USA16NT♣6=+0
+3.5Round 17🇨🇦 CANADA124♠♦K-1+6
+3.4Round 10🇩🇰 DENMARK53♥♣K=+7
+3.3Round 8🇹🇼 CHINESE TAIPEI13NT♣2=-2
+3.1Round 12🇺🇸 USA65♦x♥7-1+0
+3.0Round 2BOTSWANA121NT♥A+1+0
+2.9Round 2BOTSWANA111♠♥6=-1
+2.7Round 8🇹🇼 CHINESE TAIPEI33♣♥2+2+1
+2.6Round 7🇳🇴 NORWAY14♥♠4-1+8
+2.6Round 12🇺🇸 USA23NT♠A+1+0
+2.6Round 16🇨🇳 CHINA 154♠♣7+1+4
+2.5Round 6🇮🇳 INDIA11NT♥6=+8
+2.5Round 8🇹🇼 CHINESE TAIPEI71♥♦Q=+5
+2.5Round 12🇺🇸 USA84♠♦A+2+1
+2.2Round 2BOTSWANA13♥♠J=+0
+2.2Round 8🇹🇼 CHINESE TAIPEI83♦♣A=+5
+2.1Round 6🇮🇳 INDIA101NT♦6+4+9
+2.1Round 7🇳🇴 NORWAY54♠♥7-2+2
+2.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♣5=+0
+1.9Round 8🇹🇼 CHINESE TAIPEI22♠♥3=+6
+1.8Round 1🇹🇷 TURKEY103♠♥A-4-6
+1.8Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♥7=+0
+1.7Round 1🇹🇷 TURKEY44♠♥2+1+0
+1.7Round 16🇨🇳 CHINA 114♣♦4+1+6
+1.6Round 7🇳🇴 NORWAY44♠♣7+1+0
+1.6Round 12🇺🇸 USA124♦♠Q-1-5
+1.5Round 10🇩🇰 DENMARK42♠♥J-1+0
+1.5Round 17🇨🇦 CANADA74♥♣2+1+0
+1.4Round 2BOTSWANA42NT♥2-1+11
+1.4Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND72♥♦J=+10
+1.2Round 2BOTSWANA83NT♣4+2+0
+1.2Round 16🇨🇳 CHINA 135♦♠9+2-1
+1.1Round 12🇺🇸 USA42♥♣A=+1
+1.1Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♦♠5+1+0
+0.9Round 12🇺🇸 USA53NT♦8+3+11
+0.2Round 10🇩🇰 DENMARK102♥♦K-1-1
+0.1Round 2BOTSWANA72♠♣7+3-9
+0.0Round 1🇹🇷 TURKEY114♠♣10=+1
-0.0Round 17🇨🇦 CANADA12♦♥5+2+8
-0.1Round 2BOTSWANA52♥♦Q-1-1
-0.1Round 6🇮🇳 INDIA51NT♣3+2+7
-0.2Round 7🇳🇴 NORWAY122♥♦3+1-1
-0.5Round 8🇹🇼 CHINESE TAIPEI94♠♠6-2-6
-0.5Round 10🇩🇰 DENMARK82♠♣4-1-4
-0.6Round 10🇩🇰 DENMARK34♥♦9=+0
-0.8Round 10🇩🇰 DENMARK61NT♣3=+1
-0.8Round 17🇨🇦 CANADA43NT♥8+1+1
-0.9Round 6🇮🇳 INDIA84♠♥Q=+0
-0.9Round 17🇨🇦 CANADA51NT♥6-1-4
-1.1Round 7🇳🇴 NORWAY104♠♣5-1-6
-1.1Round 12🇺🇸 USA95♥♠Q=+0
-1.2Round 1🇹🇷 TURKEY53NT♦4+2-1
-1.3Round 2BOTSWANA33NT♥K+2+0
-1.4Round 7🇳🇴 NORWAY72NT♣Q-1+1
-1.4Round 8🇹🇼 CHINESE TAIPEI64♠♣K-1-5
-1.4Round 16🇨🇳 CHINA 122♥♣7+1+0
-1.9Round 17🇨🇦 CANADA113♥x♥3-1+0
-2.0Round 17🇨🇦 CANADA64♠♦J+1+0
-2.1Round 1🇹🇷 TURKEY84♠♦4+3-2
-2.1Round 1🇹🇷 TURKEY93♦♥K+2-6
-2.2Round 10🇩🇰 DENMARK113♠♣Q-3-1
-2.2Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND122♠♣6-1-10
-2.5Round 7🇳🇴 NORWAY93♦♠6-1-5
-2.5Round 7🇳🇴 NORWAY113NT♠2=+0
-2.5Round 12🇺🇸 USA106♠♣2=+0
-2.5Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♦x♣A-2+4
-2.6Round 16🇨🇳 CHINA 183♦♥A=-5
-2.8Round 16🇨🇳 CHINA 174♠♦K+1+13
-3.1Round 1🇹🇷 TURKEY12♥♣2+1-1
-3.2Round 10🇩🇰 DENMARK93NT♦4+4-12
-3.2Round 16🇨🇳 CHINA 1113NT♣8+1+10
-3.4Round 10🇩🇰 DENMARK74♠♣J=+0
-3.4Round 17🇨🇦 CANADA94♥♠J+1-1
-3.5Round 16🇨🇳 CHINA 1102♣♠Q+3+0
-3.6Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♦9+2-2
-3.7Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND101♥♠7+1-6
-4.1Round 1🇹🇷 TURKEY22♥♣6-3+3
-4.3Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND111NT♥J+1-6
-4.5Round 17🇨🇦 CANADA35♦x♣A-2-5
-4.8Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♣A+1-4
-4.8Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND65NT♠J=-13
-4.9Round 6🇮🇳 INDIA64♥♠Q+1-4
-5.4Round 7🇳🇴 NORWAY63NT♣3=-6
-5.4Round 12🇺🇸 USA116NT♠Q+1-1
-6.4Round 17🇨🇦 CANADA104♥♠K=+0
-7.4Round 10🇩🇰 DENMARK124♥♣3=-3
-7.7Round 16🇨🇳 CHINA 144♠x♥A=-7
-8.9Round 12🇺🇸 USA73NT♦3=-12
-8.9Round 15🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND37♣♠4=+2
-10.0Round 6🇮🇳 INDIA74♥♣2+1-11
-10.3Round 1🇹🇷 TURKEY73♠♥A-1-11
-11.3Round 12🇺🇸 USA34♠x♣10=-12
-12.4Round 8🇹🇼 CHINESE TAIPEI123NT♦2-3-14