🇨🇿 PROCHAZKA Adam · CZECH REPUBLIC

47rank
-37.0Butler · 182 bds
-0.20per board
±4.6swing
-0.67vs par /bd · #57/75
-0.22adjusted /bd
Butler per round: 28.2 -4.4 -14.1 20.8 -7.1 6.6 4.5 -39.7 7.4 -7.2 -1.3 -1 -29.7by round

vs par split: bidding -0.20 · play -0.47

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted -0.22/bd

Card play — on target: opening leads 74.4% #54 of 75 · declarer play 69.6% #42 of 75 · defence 74.7% #66 of 75

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (9)85.3% (34)
Declarer play56.2% (16)75.0% (40)
Defence68.2% (22)76.8% (69)

Opening leads by suit led: ♠ 60.0% (10) · ♥ 66.7% (12) · ♦ 80.0% (10) · ♣ 90.9% (11)

vs par by strain: NT -1.14 (50) · a suit -0.49 (132)

vs par by level: part-score -0.90 (79) · game -0.91 (93) · slam +3.40 (10)

By role: declaring +0.33/bd (-2.46 vs par · 91) · defending -0.74/bd (+1.12 vs par · 91)

By vulnerability: vulnerable -0.38/bd (-0.75 vs par · 91) · not vulnerable -0.03/bd (-0.59 vs par · 91)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.VolhejnS.Rozsa – B.PalinkasOpen14+28.2+2.01-0.14
Round 2P.VolhejnJ.Bakhshi – E.GahanOpen14-4.4-0.31-0.50
Round 3P.VolhejnC.Teil – M.FragolaClosed14-14.1-1.01-2.64
Round 4P.VolhejnV.Dalpozzo – F.DalpozzoOpen14+20.8+1.49+2.00
Round 5P.VolhejnG.Matatyahou – N.KhutorskyOpen14-7.1-0.51-3.86
Round 6P.VolhejnS.Qiu – H.YuOpen14+6.6+0.47+0.36
Round 7P.VolhejnK.Kopka – M.MaszendaOpen14+4.5+0.32+1.29
Round 8P.VolhejnJ.Blom – T.Van De PaverdOpen14-39.7-2.84-3.64
Round 9P.VolhejnD.Fikriaza – M.AlhanifOpen14+7.4+0.53-2.36
Round 10P.VolhejnM.Hu – A.ZhouOpen14-7.2-0.51-0.36
Round 11P.VolhejnX.Ruan – Y.ChenOpen14-1.3-0.09+2.07
Round 12P.VolhejnM.Bertheau – E.WibergOpen14-1.0-0.07+0.71
Round 13P.VolhejnC.He – J.XiongOpen14-29.7-2.12-1.64

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
+14.6Round 6🇨🇳 CHINA1104♠x♥K+1+10
+11.5Round 11🇨🇳 CHINA2125♦x♣A-2+14
+10.2Round 10🇺🇸 USA276♥x♦J-1+11
+10.1Round 12🇸🇪 SWEDEN244♠♠2-1+11
+9.1Round 4🇮🇹 ITALY44♥♠7-4+7
+9.1Round 9🇮🇩 INDONESIA284♥♠6-1+10
+9.0Round 1🇭🇺 HUNGARY123NT♣5-1+6
+8.8Round 7🇵🇱 POLAND247♠♣2=+0
+7.8Round 6🇨🇳 CHINA164♥x♠Q-3+8
+7.8Round 10🇺🇸 USA213♥♣Q-2+8
+7.7Round 1🇭🇺 HUNGARY63♦x♠A-2-5
+7.5Round 13🇨🇦 CANADA33NT♠8=+7
+6.9Round 1🇭🇺 HUNGARY132♣♥6+2+7
+6.8Round 7🇵🇱 POLAND263♥♣4+2+10
+6.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193♥♠5-1+8
+6.0Round 1🇭🇺 HUNGARY53NT♦3=+7
+6.0Round 5🇮🇱 ISRAEL186♦♦6=+0
+6.0Round 7🇵🇱 POLAND233NT♣4=+10
+5.8Round 4🇮🇹 ITALY144♥♦K-1+8
+5.6Round 8🇳🇱 NETHERLANDS62NT♦3+1+13
+5.2Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND175♣♥9=-11
+5.2Round 3🇫🇷 FRANCE145♣♦A-2+8
+5.1Round 3🇫🇷 FRANCE112♥♦3+1+7
+5.0Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND254♠♥3+3+14
+4.7Round 1🇭🇺 HUNGARY23♦♣A-1+6
+4.6Round 3🇫🇷 FRANCE102♠♣A-1+5
+4.4Round 1🇭🇺 HUNGARY112NT♥2-2+6
+4.3Round 4🇮🇹 ITALY73♦♠6+1+11
+4.3Round 4🇮🇹 ITALY132♥♦2=+12
+4.1Round 6🇨🇳 CHINA132♠♠10=+5
+3.9Round 5🇮🇱 ISRAEL232♠♦2=+0
+3.8Round 1🇭🇺 HUNGARY33NT♣10=-1
+3.5Round 6🇨🇳 CHINA185♣♣2+1+1
+3.4Round 7🇵🇱 POLAND274♠♣K-1+5
+3.2Round 7🇵🇱 POLAND163♠♣4-1+4
+3.2Round 9🇮🇩 INDONESIA203♦♥4=+0
+3.2Round 11🇨🇳 CHINA213♠♦A-3+6
+3.2Round 11🇨🇳 CHINA254♠♣Q+1+1
+3.0Round 4🇮🇹 ITALY21NT♦K+1+0
+3.0Round 11🇨🇳 CHINA242♥♣4=+0
+2.8Round 1🇭🇺 HUNGARY82♠♥10+2-4
+2.8Round 5🇮🇱 ISRAEL173NT♠3+1-10
+2.8Round 7🇵🇱 POLAND154♥♠2=-1
+2.8Round 8🇳🇱 NETHERLANDS115♦♣2-1+5
+2.7Round 3🇫🇷 FRANCE92♠♣4=+0
+2.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND164♥♦Q=+3
+2.5Round 7🇵🇱 POLAND193NT♦K-1+4
+2.5Round 10🇺🇸 USA163♥♠K=+0
+2.2Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♥♦3+3-10
+2.2Round 9🇮🇩 INDONESIA252♠♠9+1+0
+2.1Round 5🇮🇱 ISRAEL213NT♦2=-1
+2.1Round 9🇮🇩 INDONESIA234♥♠2-2+2
+2.1Round 10🇺🇸 USA184♠♥Q-1+6
+2.1Round 11🇨🇳 CHINA274♥♣A=+13
+2.0Round 3🇫🇷 FRANCE14♥♦2+1-10
+2.0Round 12🇸🇪 SWEDEN223♠♣6-1+4
+1.9Round 4🇮🇹 ITALY104♥♠2=+0
+1.9Round 5🇮🇱 ISRAEL163NT♠7+3-11
+1.9Round 9🇮🇩 INDONESIA184♠♠5+2-12
+1.8Round 6🇨🇳 CHINA153NT♠5+1+0
+1.7Round 12🇸🇪 SWEDEN283NT♠2=-1
+1.5Round 8🇳🇱 NETHERLANDS92NT♦J=+0
+1.4Round 1🇭🇺 HUNGARY13♦♣4-2+7
+1.4Round 13🇨🇦 CANADA83NT♦2+3+1
+1.3Round 9🇮🇩 INDONESIA153♣♠7=+1
+1.2Round 5🇮🇱 ISRAEL223NT♠4=-2
+1.2Round 9🇮🇩 INDONESIA216NT♥3+1-13
+1.2Round 9🇮🇩 INDONESIA224♠♦A+1+0
+1.1Round 7🇵🇱 POLAND204♠♣4=+1
+1.0Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♠♥Q+1+0
+0.9Round 6🇨🇳 CHINA1124♠♣2+2+1
+0.9Round 8🇳🇱 NETHERLANDS44♠♥4+1+0
+0.9Round 12🇸🇪 SWEDEN193NT♦2-2+0
+0.8Round 4🇮🇹 ITALY112♥♣3=+0
+0.8Round 12🇸🇪 SWEDEN212♠♣7=+1
+0.7Round 12🇸🇪 SWEDEN251NT♠A=-1
+0.6Round 6🇨🇳 CHINA174♥♣A-3+4
+0.5Round 9🇮🇩 INDONESIA273♠♥Q-1+4
+0.5Round 12🇸🇪 SWEDEN163♥♣K-1+5
+0.5Round 12🇸🇪 SWEDEN181NT♦A+1+0
+0.5Round 12🇸🇪 SWEDEN203♥♦9-2-9
+0.4Round 4🇮🇹 ITALY92♥♠2=+0
+0.3Round 11🇨🇳 CHINA2101NT♠A=+2
+0.2Round 11🇨🇳 CHINA293♠♥A=+6
+0.2Round 12🇸🇪 SWEDEN271NT♣K+1+0
+0.1Round 3🇫🇷 FRANCE61♥♦9+1+0
+0.1Round 10🇺🇸 USA283NT♣2=-1
+0.0Round 13🇨🇦 CANADA134♠♥9+1+13
-0.2Round 4🇮🇹 ITALY63♣♠A-1+2
-0.2Round 4🇮🇹 ITALY83♥♠7-1-2
-0.3Round 1🇭🇺 HUNGARY72♠♦5+2-1
-0.3Round 4🇮🇹 ITALY13♥♦K-1-1
-0.4Round 5🇮🇱 ISRAEL202♥♦2-2-9
-0.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203♦♠A=+1
-0.5Round 11🇨🇳 CHINA233NT♦6+2+0
-0.5Round 13🇨🇦 CANADA75♣♥3=+3
-0.5Round 13🇨🇦 CANADA114♥♣9+1-11
-0.7Round 5🇮🇱 ISRAEL244♠♣9-3+0
-0.7Round 11🇨🇳 CHINA223♦♠7-2+9
-0.7Round 13🇨🇦 CANADA54♥♠5=+1
-0.8Round 1🇭🇺 HUNGARY102♠♣Q=+0
-0.8Round 13🇨🇦 CANADA42♠♣4+2-10
-1.0Round 10🇺🇸 USA263NT♣K+1+0
-1.1Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND275♣♥J=-2
-1.2Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND213♣♠Q-2+0
-1.2Round 8🇳🇱 NETHERLANDS54♦♠7=-1
-1.2Round 8🇳🇱 NETHERLANDS123NT♠K+1-1
-1.2Round 10🇺🇸 USA242♥♣5=+0
-1.4Round 12🇸🇪 SWEDEN153NT♥10+3+13
-1.5Round 3🇫🇷 FRANCE73♠♥A+2+0
-1.5Round 5🇮🇱 ISRAEL274♠♥5=-3
-1.5Round 8🇳🇱 NETHERLANDS73♠♠5+2-10
-1.6Round 9🇮🇩 INDONESIA172♥♦2-2+0
-1.8Round 6🇨🇳 CHINA1145♦♥8=+1
-1.8Round 7🇵🇱 POLAND181♥♦Q+2+0
-1.9Round 13🇨🇦 CANADA144♥♣A+1+0
-2.0Round 10🇺🇸 USA235♣x♠3-1-12
-2.1Round 11🇨🇳 CHINA263♣♥K=-1
-2.2Round 3🇫🇷 FRANCE123NT♣4=-7
-2.2Round 4🇮🇹 ITALY33NT♠3+1+1
-2.4Round 1🇭🇺 HUNGARY93NT♥4+3-1
-2.4Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND264♠x♥3-1+0
-2.4Round 4🇮🇹 ITALY53♠♥A=-8
-2.4Round 9🇮🇩 INDONESIA194♠♣K=+1
-2.5Round 10🇺🇸 USA174♥♠7+1-4
-2.5Round 13🇨🇦 CANADA23♠♣9+1-8
-2.8Round 8🇳🇱 NETHERLANDS84♥♦A+1-1
-2.8Round 10🇺🇸 USA194♥♦4+1-2
-2.8Round 11🇨🇳 CHINA282NT♠Q-1-5
-2.8Round 11🇨🇳 CHINA2144♦♠A=-7
-3.0Round 5🇮🇱 ISRAEL252♦♦2=-6
-3.0Round 6🇨🇳 CHINA1112NT♥3=+1
-3.1Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243NT♥5-1-5
-3.2Round 3🇫🇷 FRANCE52♥♠J-1-5
-3.2Round 8🇳🇱 NETHERLANDS13♥♦Q+1-1
-3.2Round 9🇮🇩 INDONESIA162♠♥Q+2-6
-3.2Round 13🇨🇦 CANADA123NT♣7+2-1
-3.3Round 8🇳🇱 NETHERLANDS23♦♥K-1-6
-3.4Round 3🇫🇷 FRANCE133♥♠4-1-6
-3.4Round 6🇨🇳 CHINA143NT♥10-3-4
-3.4Round 9🇮🇩 INDONESIA244♣♠K=-8
-3.5Round 4🇮🇹 ITALY121NT♣2-2-2
-3.5Round 6🇨🇳 CHINA1132♠♣9+2-10
-3.6Round 5🇮🇱 ISRAEL196NT♥6=+0
-3.8Round 7🇵🇱 POLAND212♠♦K+3-12
-3.9Round 3🇫🇷 FRANCE34♥♦3+1-1
-4.0Round 6🇨🇳 CHINA125♣♠K=+0
-4.0Round 10🇺🇸 USA256NT♦10=+11
-4.2Round 13🇨🇦 CANADA93NT♦6-3-7
-4.3Round 12🇸🇪 SWEDEN235♣♠A=+1
-4.5Round 7🇵🇱 POLAND173NT♠6+1-4
-4.6Round 5🇮🇱 ISRAEL284♥♦2=+0
-4.7Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND236♥♣Q=+13
-4.7Round 9🇮🇩 INDONESIA262♥♦5-1-12
-4.8Round 3🇫🇷 FRANCE83NT♥6-2-11
-4.8Round 6🇨🇳 CHINA113♣♠5=-8
-4.9Round 10🇺🇸 USA223NT♦2-4-11
-5.0Round 5🇮🇱 ISRAEL154♥♦8=+0
-5.0Round 10🇺🇸 USA203NT♥3=+0
-5.2Round 3🇫🇷 FRANCE22NT♦K+1-7
-5.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183♥♠A-1-8
-5.8Round 13🇨🇦 CANADA14♠♦4=+0
-6.0Round 1🇭🇺 HUNGARY45♦♠6+2-17
-6.0Round 7🇵🇱 POLAND226♠♥K+1+11
-6.2Round 5🇮🇱 ISRAEL264♦♦2=-12
-6.2Round 6🇨🇳 CHINA194♠♣K+1-4
-6.4Round 7🇵🇱 POLAND287♣♥Q=+2
-6.4Round 12🇸🇪 SWEDEN264♠♦2-1-12
-6.5Round 10🇺🇸 USA153NT♥3+2-11
-6.8Round 8🇳🇱 NETHERLANDS33♠♥A+1-7
-6.8Round 12🇸🇪 SWEDEN173NT♥5+2-2
-6.8Round 13🇨🇦 CANADA104♠♦K-1-12
-7.0Round 11🇨🇳 CHINA2114♥♠3=-8
-7.6Round 7🇵🇱 POLAND251♠x♥10-2-12
-8.4Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♥6-3-10
-8.9Round 11🇨🇳 CHINA2136♥♣A+1-1
-9.0Round 1🇭🇺 HUNGARY143♥x♦A+1-12
-9.6Round 3🇫🇷 FRANCE43NT♥8-6-10
-9.6Round 8🇳🇱 NETHERLANDS134♠♥6+1-15
-10.2Round 8🇳🇱 NETHERLANDS105♣♦Q-1-16
-10.7Round 8🇳🇱 NETHERLANDS144♥♣3=-11
-11.7Round 13🇨🇦 CANADA63NT♥K+1+1