SCHERMER John · STERNBERG

16rank
+101.1Butler · 133 bds
+0.76per board
±3.9swing
+1.35vs par /bd · #7/107
+0.82adjusted /bd
Butler per round: 3.1 12.2 2.9 2.3 2.5 -0.5 -12 13.1 8.8 16.8 3 14 17.6 2.2 16.6 14.4 -0.2 -23.2 7.5by round

vs par split: bidding +0.50 · play +0.86

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.82/bd

Card play — on target: opening leads 78.1% #56 of 107 · declarer play 72.2% #48 of 107 · defence 83.3% #68 of 107

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)82.4% (17)
Declarer play58.3% (12)79.2% (24)
Defence84.6% (26)82.5% (40)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 77.8% (9) · ♦ 75.0% (12) · ♣ 100.0% (2)

vs par by strain: NT +1.37 (43) · a suit +1.34 (90)

vs par by level: part-score +0.72 (53) · game +1.20 (74) · slam +8.83 (6)

By role: declaring +1.03/bd (-1.09 vs par · 67) · defending +0.48/bd (+3.83 vs par · 66)

By vulnerability: vulnerable +1.28/bd (+0.87 vs par · 67) · not vulnerable +0.24/bd (+1.85 vs par · 66)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.ChambersD.Sacul – P.JariyanantanetrClosed7+3.1+0.44+2.14
Round 2N.ChambersM.Schoenborn – F.LernerClosed7+12.2+1.74-0.57
Round 3N.ChambersV.Markowicz – J.KlukowskiClosed7+2.9+0.41-1.29
Round 4N.ChambersM.Bessis – P.CronierOpen7+2.3+0.33+5.86
Round 5N.ChambersD.Jacob – J.CzyzowiczClosed7+2.5+0.36+0.71
Round 6N.ChambersS.Ho – A.YeungClosed7-0.5-0.07+3.43
Round 7N.ChambersL.Stansby – B.BramleyOpen7-12.0-1.71-0.71
Round 8N.ChambersK.Christiansen – H.LortzClosed7+13.1+1.87+2.14
Round 9N.ChambersJ.Holland – C.MariClosed7+8.8+1.26-1.29
Round 10N.ChambersM.Sawiruddin – M.HartonoOpen7+16.8+2.40-0.29
Round 11N.ChambersK.Yamada – M.InoOpen7+3.0+0.43-0.86
Round 12N.ChambersP.Magyar – G.SzappanosOpen7+14.0+2.00+6.71
Round 14N.ChambersY.Jiang – B.CaiClosed7+17.6+2.51+3.00
Round 15N.ChambersR.Gao – H.ZhangOpen7+2.2+0.31-0.43
Round 16N.ChambersX.Shen – M.ShenClosed7+16.6+2.37+1.29
Round 18N.ChambersE.Tse – R.LingClosed7+14.4+2.06+1.14
Round 19N.ChambersP.Choy – R.ZajacOpen7-0.2-0.03+1.14
Round 20N.ChambersX.Gu – J.PanClosed7-23.2-3.31-2.14
Round 21N.ChambersT.Yoshida – H.AbeClosed7+7.5+1.07+5.71

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
+13.2Round 15HUBEI QIAOXIE65♣x♦A-3+14
+10.6Round 8LORTZ44♥♣5=+0
+10.1Round 18HK SENIOR FRIENDS283NT♠10+1+8
+8.9Round 10INDONESIA204♥♣5=+1
+7.8Round 2CANADA106NT♠10-1+12
+7.6Round 19SINGAPORE34♥♣10-1+6
+7.4Round 14HAINAN OLD MAN203♥♣4-3+5
+7.3Round 6MASTER MINDS105♣♠8-3+10
+7.0Round 21IMAX174♥♠K-2+11
+6.8Round 5LEWIS44♠♥A=+0
+6.8Round 19SINGAPORE43NT♣8-2+8
+6.6Round 14HAINAN OLD MAN184♥♦Q-1+10
+6.6Round 16XINYUAN SENIOR TEAM113NT♣J-1+10
+6.4Round 16XINYUAN SENIOR TEAM84♠♥6-4+7
+5.9Round 1MAGIC EYES63NT♠Q=+11
+5.8Round 6MASTER MINDS133♠♥K-1+6
+5.8Round 9HACKETT104♥♠K=+3
+5.6Round 12HUNGARY23NT♥Q=+3
+5.2Round 21IMAX165♣♥Q-1+12
+4.7Round 3MARKOWICZ203NT♠7+1-12
+4.6Round 14HAINAN OLD MAN162NT♦7=+6
+4.1Round 18HK SENIOR FRIENDS254♠♦K=+0
+4.0Round 3MARKOWICZ163NT♣10+4+10
+3.8Round 12HUNGARY74♥♦5-1+6
+3.8Round 16XINYUAN SENIOR TEAM123NT♠9+1+1
+3.7Round 3MARKOWICZ193NT♦5+2-17
+3.6Round 9HACKETT112NT♦4+2+2
+3.5Round 12HUNGARY64♥♦5=+11
+2.9Round 8LORTZ72♥♦3+1+7
+2.8Round 8LORTZ54♥♠K-1+5
+2.8Round 10INDONESIA152♠♥K+1+0
+2.7Round 11PLATINUM244♠♦K=+0
+2.6Round 9HACKETT94♠♦Q-1+6
+2.6Round 16XINYUAN SENIOR TEAM144♥♠K=+1
+2.5Round 18HK SENIOR FRIENDS234♥♦7=+0
+2.4Round 14HAINAN OLD MAN211♠♥Q=-1
+2.3Round 2CANADA121NT♠K-1+5
+2.2Round 5LEWIS66♣♥J+1+13
+2.2Round 11PLATINUM264♠♥5=+9
+2.2Round 20WUHAN113NT♠6-2+11
+2.1Round 10INDONESIA184♥♣10+2+1
+1.9Round 9HACKETT125♣♠K-2+0
+1.9Round 9HACKETT143♠♦J+1+2
+1.9Round 11PLATINUM223♣♠K-1+6
+1.9Round 21IMAX212♠♥6-1+4
+1.8Round 4MILNER273♣♥5+2+6
+1.8Round 7LYNCH153♥♠K-2+13
+1.7Round 11PLATINUM254♠♥6=-1
+1.6Round 2CANADA134♥♣10+2+1
+1.6Round 10INDONESIA173NT♦9+3-11
+1.5Round 5LEWIS52♥♣A+1+0
+1.5Round 7LYNCH172♠♥6+2+1
+1.5Round 10INDONESIA214♥♠J-1+5
+1.4Round 4MILNER243NT♠5+1-1
+1.4Round 12HUNGARY54♠♦4=+10
+1.3Round 16XINYUAN SENIOR TEAM134♥♣Q+1-13
+1.3Round 18HK SENIOR FRIENDS272♥♣Q+1+0
+1.3Round 21IMAX192♥♦K+1+10
+1.2Round 12HUNGARY12♦♥A-2+7
+1.1Round 1MAGIC EYES42♠♠3=+6
+1.0Round 6MASTER MINDS112♥♥7=-1
+1.0Round 15HUBEI QIAOXIE74♥♣Q+1+0
+0.8Round 2CANADA114♠♠4+1-10
+0.8Round 2CANADA142♥♦5-1-2
+0.7Round 4MILNER236NT♠9-1+17
+0.7Round 19SINGAPORE71NT♠10-1-1
+0.6Round 5LEWIS74♠♠6=+0
+0.6Round 8LORTZ61NT♥3+1+10
+0.6Round 20WUHAN143NT♥8+1-1
+0.4Round 10INDONESIA193NT♥7-1+2
+0.2Round 4MILNER222♥♦A+1+0
+0.2Round 15HUBEI QIAOXIE55♥♥7=+4
+0.1Round 1MAGIC EYES23NT♦4-1+5
+0.1Round 15HUBEI QIAOXIE13NT♥3+2+0
+0.1Round 18HK SENIOR FRIENDS263NT♦J=+2
-0.0Round 1MAGIC EYES53♠♥3=+0
+0.0Round 3MARKOWICZ171NT♥10-1-3
+0.0Round 4MILNER253NT♣4+2+12
+0.0Round 4MILNER283NT♣4-1-6
-0.0Round 8LORTZ32♠♣K-1+3
-0.0Round 11PLATINUM283NT♥5+1+0
+0.0Round 15HUBEI QIAOXIE44♥♦7+1+0
-0.2Round 8LORTZ22♥♥5+3-10
-0.3Round 18HK SENIOR FRIENDS223NT♦6=-1
-0.5Round 1MAGIC EYES32♣♦9=-1
-0.5Round 2CANADA84♣♥7-1-4
-0.5Round 3MARKOWICZ152♠♦8=+0
-0.5Round 10INDONESIA164♥♠2+1+0
-0.5Round 14HAINAN OLD MAN152♥♦K=+0
-0.6Round 2CANADA93♣♦A+2-6
-0.7Round 12HUNGARY32NT♠7+1+10
-0.8Round 3MARKOWICZ182♠♠K-2+0
-0.8Round 12HUNGARY42♥♦K=+0
-0.8Round 20WUHAN135♣♠A+1+3
-0.9Round 16XINYUAN SENIOR TEAM92♠♥J+1+10
-1.1Round 14HAINAN OLD MAN193♥♠Q+1+1
-1.1Round 20WUHAN102♠♦K=+1
-1.2Round 19SINGAPORE53♠♣6=+0
-1.3Round 1MAGIC EYES12♦♠A-2-5
-1.4Round 5LEWIS22♥♣J+2-1
-1.4Round 7LYNCH204♥♠J+1-13
-1.5Round 6MASTER MINDS144♠x♦K-1-5
-1.7Round 7LYNCH213♠♣7+1-1
-1.8Round 4MILNER264♥♣Q+2+13
-1.8Round 14HAINAN OLD MAN172♠♥6-2+0
-2.2Round 1MAGIC EYES73NT♥10+2-1
-2.3Round 11PLATINUM273♦♥J-1-9
-2.4Round 21IMAX152♥♠A+1-2
-2.5Round 21IMAX202♠♣J-1-6
-3.0Round 9HACKETT81NT♦J-1-5
-3.0Round 20WUHAN83NT♥Q-2-5
-3.0Round 21IMAX186♣♣10=+11
-3.2Round 6MASTER MINDS94♥♣3+1+12
-3.2Round 11PLATINUM233NT♦4+1-11
-3.2Round 16XINYUAN SENIOR TEAM102♠♦2+1-7
-3.4Round 5LEWIS33NT♠J-2-6
-3.4Round 6MASTER MINDS83NT♦10=+1
-3.4Round 18HK SENIOR FRIENDS241NT♠2+1-1
-3.6Round 8LORTZ14NT♠J=+0
-3.8Round 5LEWIS13NT♥5+1-1
-3.8Round 7LYNCH181NT♥6+1+1
-3.8Round 19SINGAPORE14♠♦6-2+0
-3.8Round 19SINGAPORE24♠♥6-1-5
-4.0Round 9HACKETT134♠♦2+2-17
-4.2Round 7LYNCH163NT♠10=+0
-4.2Round 7LYNCH191NT♠3-2-6
-4.8Round 15HUBEI QIAOXIE34♥♠5=-8
-6.5Round 6MASTER MINDS123NT♠3=+1
-6.5Round 19SINGAPORE64♠♥K=+0
-7.5Round 15HUBEI QIAOXIE27♣♠10-2-13
-8.2Round 3MARKOWICZ216♠♥J=+13
-8.4Round 20WUHAN125♣♥9-2-12
-12.7Round 20WUHAN92♠x♦6+1-12