BYRNE Michael · KNOTTENBELT

119rank
+36.8Butler · 70 bds
+0.53per board
±4.5swing
+1.17vs par /bd · #43/675
+0.81adjusted /bd
Butler per round: 17.9 17.8 30 -20.9 -8by round

vs par split: bidding +1.20 · play -0.03

Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted +0.81/bd

Card play — on target: opening leads 78.3% #264 of 675 · declarer play 77.8% #302 of 675 · defence 81.1% #520 of 675

Bidding activity — not a pass: 42.7% #366 of 675 (82/192)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (9)85.7% (14)
Declarer play88.9% (9)66.7% (9)
Defence73.3% (15)86.4% (22)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 100.0% (3) · ♦ 83.3% (6) · ♣ 62.5% (8)

vs par by strain: NT +1.17 (30) · a suit +1.18 (40)

vs par by level: part-score -0.30 (23) · game +2.27 (44) · slam -3.67 (3)

By role: declaring -0.09/bd (-1.91 vs par · 33) · defending +1.08/bd (+3.92 vs par · 37)

By vulnerability: vulnerable +0.89/bd (+2.63 vs par · 35) · not vulnerable +0.16/bd (-0.29 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.KnottenbeltI.Walach – P.KarlikClosed14+17.9+1.28+0.79
Round 2M.KnottenbeltJ.Lesniczak – V.ValchevClosed14+17.8+1.27+3.64
Round 3M.KnottenbeltJ.Stefanov – Z.ZaharievClosed14+30.0+2.14+2.43
Round 5M.KnottenbeltA.Robson – A.AllfreyClosed14-20.9-1.49-0.21
Round 6M.KnottenbeltJ.Wolfson – S.GarnerClosed14-8.0-0.57-0.79

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
+10.0Round 2PKB INTERNATIONAL224♥♠6+3+14
+9.7Round 3JULS15♣♠4-3+11
+9.5Round 6WOLFSON155♠♥K-2+7
+9.0Round 3JULS53NT♣5-1+12
+7.4Round 3JULS64♠♦K=+8
+7.4Round 3JULS103NT♦K-1+12
+6.9Round 1JARA CIMRMAN94♥♠4+1+4
+6.6Round 1JARA CIMRMAN64♠♥J=+11
+6.6Round 2PKB INTERNATIONAL193NT♦A-3+11
+6.5Round 2PKB INTERNATIONAL233♣♠A+3+14
+5.9Round 5PERICULO43NT♣2-1+12
+5.5Round 3JULS91NT♣K-1-2
+5.3Round 1JARA CIMRMAN33NT♠8=+10
+5.0Round 1JARA CIMRMAN133NT♠5=+10
+4.8Round 5PERICULO52NT♥2+1+2
+4.5Round 2PKB INTERNATIONAL266♣♥T-2+13
+4.4Round 3JULS24♠♦2-2+12
+3.8Round 6WOLFSON175♠x♦K-2+0
+3.7Round 2PKB INTERNATIONAL174♦♣K=+7
+3.3Round 2PKB INTERNATIONAL274♠♥6-1+5
+2.6Round 5PERICULO113NT♥2+1+1
+2.4Round 3JULS72NT♠T+1+2
+2.1Round 1JARA CIMRMAN22♠♣7-2+11
+2.1Round 6WOLFSON275♦♥5+1+11
+1.9Round 1JARA CIMRMAN124♥♦J=+0
+1.9Round 6WOLFSON215♣♠2-2+2
+1.6Round 2PKB INTERNATIONAL241NT♠6=+0
+1.5Round 5PERICULO73NT♠2+3+13
+1.2Round 1JARA CIMRMAN46♠♥T=-13
+1.0Round 1JARA CIMRMAN102♥♦J+1+10
+1.0Round 1JARA CIMRMAN114♠♥J=-1
+0.9Round 6WOLFSON263♦♥K+1+9
+0.5Round 2PKB INTERNATIONAL283NT♥6+1+0
+0.5Round 5PERICULO13NT♦2=-1
+0.3Round 6WOLFSON193NT♠8+1+0
+0.1Round 5PERICULO83♥♠Q=+0
+0.0Round 3JULS116♣♥3+1-11
-0.1Round 6WOLFSON281NT♠Q-1+2
-0.2Round 6WOLFSON233NT♣Q+1-1
-0.3Round 2PKB INTERNATIONAL254♥♣Q+1+0
-0.4Round 5PERICULO34♥♣9=-1
-0.7Round 3JULS34♥♦K+2+11
-0.7Round 6WOLFSON223NT♥7+2+0
-1.1Round 2PKB INTERNATIONAL162♥♣A=-5
-1.2Round 1JARA CIMRMAN141NT♦8-1-4
-1.4Round 3JULS144♥♦A=-3
-1.7Round 2PKB INTERNATIONAL153NT♠3+2-1
-1.8Round 1JARA CIMRMAN13NT♥7-2-5
-1.8Round 3JULS123♠♣A-2-5
-2.1Round 1JARA CIMRMAN84♠♥3-1-5
-2.6Round 2PKB INTERNATIONAL181NT♥5+1-1
-2.6Round 6WOLFSON243NT♦4=+0
-3.1Round 5PERICULO143♠♦2=-6
-3.7Round 3JULS133♥♠K=-1
-3.8Round 5PERICULO94♥♣K-1-5
-3.9Round 1JARA CIMRMAN53NT♠J-1-5
-4.0Round 3JULS44♥♠4-1-6
-4.1Round 1JARA CIMRMAN74♠♣4-1-12
-4.1Round 5PERICULO23NT♣Q=+0
-4.2Round 3JULS83♦♣K+1-6
-4.3Round 5PERICULO102♥♣K=+0
-4.4Round 6WOLFSON252NT♥3+2-2
-4.9Round 6WOLFSON162♥♣7+3-12
-5.2Round 6WOLFSON202NT♠A+2-13
-5.3Round 2PKB INTERNATIONAL213NT♠5-2-6
-6.4Round 5PERICULO123NT♦3=+0
-6.4Round 5PERICULO133♥♠T=-7
-7.8Round 5PERICULO63NT♣K-1-11
-7.9Round 2PKB INTERNATIONAL204♥♣4+1+0
-8.4Round 6WOLFSON184♥♠5-2-14