🇺🇸 SCHERMER John · USA

1rank
+190.3Butler · 176 bds
+1.08per board
±4.1swing
+0.74vs par /bd · #12/95
+1.09adjusted /bd
Butler per round: 25.2 5.6 -2.5 37 53.2 6 0.3 23.2 11.2 5.2 25.9by round

vs par split: bidding -0.11 · play +0.79

Strength of schedule: opponents averaged +0.01/bd (an average draw) → opponent-adjusted +1.09/bd

Card play — on target: opening leads 77.1% #66 of 95 · declarer play 83.9% #7 of 95 · defence 92.4% #3 of 95

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)80.0% (25)
Declarer play80.0% (15)85.4% (41)
Defence84.2% (19)95.0% (60)

Opening leads by suit led: ♠ 75.0% (8) · ♥ 50.0% (8) · ♦ 90.0% (10) · ♣ 88.9% (9)

vs par by strain: NT -0.13 (45) · a suit +0.96 (130)

vs par by level: part-score +0.38 (69) · game +1.33 (98) · slam -4.62 (8)

By role: declaring +1.17/bd (-1.32 vs par · 96) · defending +0.97/bd (+3.21 vs par · 80)

By vulnerability: vulnerable +1.02/bd (+0.39 vs par · 88) · not vulnerable +1.14/bd (+1.09 vs par · 88)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2N.ChambersJ.Khalid – S.AkhtarOpen16+25.2+1.57+4.19
Round 3N.ChambersB.Vriend – A.MaasOpen16+5.6+0.35+0.50
Round 5N.ChambersA.Morath – S.BjerregardOpen16-2.5-0.16+0.56
Round 6N.ChambersP.Lagache – D.BauquierClosed16+37.0+2.31+1.38
Round 8N.ChambersS.Haria – H.HariaClosed16+53.2+3.33+1.81
Round 9N.ChambersC.Ackerley – D.RussellClosed16+6.0+0.38-1.81
Round 10N.ChambersG.Bettinetti – L.MarinoClosed16+0.3+0.02-0.62
Round 11N.ChambersM.Aragones – R.AragonesOpen16+23.2+1.45+1.12
Round 15N.ChambersM.Dumbovich – M.KovacsOpen16+11.2+0.70+2.62
Round 16N.ChambersE.Scanavino – R.MaffeiClosed16+5.2+0.33-0.62
Round 17N.ChambersK.Lasocki – J.RussyanClosed16+25.9+1.62-1.00

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
+12.1Round 17🇵🇱 POLAND175♣x♥10-4+9
+9.9Round 8🇰🇪 KENYA287♦♥7=-2
+9.6Round 8🇰🇪 KENYA254♠♦5-4+14
+9.5Round 6🇷🇪 REUNION303NT♠2=+11
+9.1Round 8🇰🇪 KENYA274♥♣J-1+11
+9.1Round 17🇵🇱 POLAND223♣x♥K-4-11
+9.0Round 6🇷🇪 REUNION264♥♠J+1+10
+8.5Round 3🇳🇱 NETHERLANDS85♣♠6+1+7
+8.1Round 15🇭🇺 HUNGARY124♠♣3=+7
+8.0Round 2🇵🇰 PAKISTAN324♥♣Q=+13
+7.8Round 8🇰🇪 KENYA193NT♣2+1+1
+7.7Round 8🇰🇪 KENYA323♥♦J+1+10
+7.5Round 10🇮🇹 ITALY234♠♥A+1+0
+7.4Round 11🇬🇵 GUADELOUPE54♥♦K-1+10
+7.3Round 6🇷🇪 REUNION283NT♥9+1+1
+7.1Round 6🇷🇪 REUNION183NT♣10+1+7
+6.9Round 15🇭🇺 HUNGARY74♠♠Q-1+12
+6.5Round 17🇵🇱 POLAND237NT♥8=+0
+6.4Round 15🇭🇺 HUNGARY116♥♠A=+5
+6.3Round 8🇰🇪 KENYA224♠♥Q=+7
+6.3Round 10🇮🇹 ITALY294♠♦K-1+6
+6.0Round 3🇳🇱 NETHERLANDS65♥♦K-3+4
+5.7Round 15🇭🇺 HUNGARY21♠x♥10-2+3
+5.7Round 16🇦🇷 ARGENTINA153NT♠8-1+5
+5.5Round 2🇵🇰 PAKISTAN312♥x♣J-2+9
+5.5Round 10🇮🇹 ITALY183NT♦10=+3
+5.4Round 15🇭🇺 HUNGARY14♠♦K-1+5
+5.3Round 17🇵🇱 POLAND295♦♠5-1+6
+4.8Round 11🇬🇵 GUADELOUPE25♥x♠A-1+11
+4.8Round 11🇬🇵 GUADELOUPE44♥♣J=+0
+4.7Round 6🇷🇪 REUNION323♠x♣K-4+4
+4.5Round 5🇸🇪 SWEDEN143NT♥4=-1
+4.4Round 6🇷🇪 REUNION224♠♥3=+3
+4.4Round 6🇷🇪 REUNION253NT♥7+1+10
+4.3Round 6🇷🇪 REUNION313♣x♣9-1+2
+4.3Round 16🇦🇷 ARGENTINA133NT♦2-2+3
+4.2Round 11🇬🇵 GUADELOUPE82♠♣K-1+5
+4.1Round 11🇬🇵 GUADELOUPE114♠♣A-1+5
+3.9Round 2🇵🇰 PAKISTAN174♥♣5=-1
+3.8Round 10🇮🇹 ITALY263NT♦2=+10
+3.7Round 2🇵🇰 PAKISTAN182♥♦9+1+0
+3.7Round 2🇵🇰 PAKISTAN225♦x♥A-1+5
+3.6Round 9🇳🇿 NEW ZEALAND113NT♥7+1-10
+3.6Round 9🇳🇿 NEW ZEALAND153NT♣Q=+0
+3.5Round 3🇳🇱 NETHERLANDS144♥♣10+3+13
+3.5Round 9🇳🇿 NEW ZEALAND101NT♣A=+5
+3.4Round 5🇸🇪 SWEDEN63♥♦5=+7
+3.3Round 3🇳🇱 NETHERLANDS154♥♠A-1+5
+3.2Round 3🇳🇱 NETHERLANDS134♥♦J-2+8
+3.2Round 10🇮🇹 ITALY316♥♦3+1-13
+3.2Round 11🇬🇵 GUADELOUPE65♣♦7=+6
+2.9Round 2🇵🇰 PAKISTAN292♥♣4+2+10
+2.9Round 9🇳🇿 NEW ZEALAND42♠♣6-1+1
+2.9Round 9🇳🇿 NEW ZEALAND121♣♣7-1+5
+2.7Round 2🇵🇰 PAKISTAN202♠♥8+1+1
+2.6Round 6🇷🇪 REUNION243♣♠6-3+1
+2.3Round 5🇸🇪 SWEDEN32♣♠5+1+5
+2.3Round 8🇰🇪 KENYA211NT♦5+1+1
+2.2Round 2🇵🇰 PAKISTAN274♣♠5+1+12
+2.1Round 17🇵🇱 POLAND194♥♦4=-1
+2.0Round 15🇭🇺 HUNGARY151NT♥3-2+2
+1.8Round 2🇵🇰 PAKISTAN21Pass+11
+1.8Round 8🇰🇪 KENYA201NT♣K+1+0
+1.8Round 8🇰🇪 KENYA243♣♥Q+1+7
+1.7Round 9🇳🇿 NEW ZEALAND33NT♦9+1+1
+1.7Round 10🇮🇹 ITALY174♥♣Q+2+1
+1.7Round 16🇦🇷 ARGENTINA94♥♣10+1+0
+1.6Round 6🇷🇪 REUNION203NT♣4+2-13
+1.5Round 15🇭🇺 HUNGARY93NT♠8+2+0
+1.4Round 11🇬🇵 GUADELOUPE151NT♥4-3+2
+1.3Round 5🇸🇪 SWEDEN132♠♦Q=-1
+1.3Round 8🇰🇪 KENYA292♠♥A+3-10
+1.3Round 8🇰🇪 KENYA314♠♦3=+0
+1.3Round 9🇳🇿 NEW ZEALAND72♠♥9+1+1
+1.3Round 15🇭🇺 HUNGARY33♦♣6-1-5
+1.3Round 15🇭🇺 HUNGARY64♥♦Q+1+0
+1.1Round 8🇰🇪 KENYA172♥♠5+2+1
+1.1Round 10🇮🇹 ITALY271♦♦2-1+8
+1.1Round 15🇭🇺 HUNGARY55♥♣A=+0
+1.0Round 9🇳🇿 NEW ZEALAND164♠♦2-4+3
+1.0Round 16🇦🇷 ARGENTINA163NT♥2+3-11
+0.9Round 2🇵🇰 PAKISTAN262♠♦2-1+1
+0.9Round 2🇵🇰 PAKISTAN303♦♠A=+1
+0.9Round 10🇮🇹 ITALY256♠♦A=+0
+0.9Round 11🇬🇵 GUADELOUPE94♠♣Q+3-10
+0.9Round 11🇬🇵 GUADELOUPE143♣♥10=+0
+0.9Round 17🇵🇱 POLAND265♣♥6=-13
+0.8Round 16🇦🇷 ARGENTINA112♠♣2+2+2
+0.8Round 16🇦🇷 ARGENTINA124♠♣Q=+0
+0.8Round 17🇵🇱 POLAND282♠♣6+1+0
+0.7Round 8🇰🇪 KENYA232♠♦6+1+0
+0.7Round 16🇦🇷 ARGENTINA13♦♠K-1+4
+0.5Round 2🇵🇰 PAKISTAN195♦♥A=-1
+0.5Round 3🇳🇱 NETHERLANDS43♦♠5+1+0
+0.5Round 17🇵🇱 POLAND303NT♥Q+1+0
+0.4Round 9🇳🇿 NEW ZEALAND25♣♣7=-2
+0.3Round 3🇳🇱 NETHERLANDS93♦♠3+2-7
+0.3Round 5🇸🇪 SWEDEN84♥♥2+1+0
+0.3Round 16🇦🇷 ARGENTINA73NT♣J+3+13
+0.2Round 16🇦🇷 ARGENTINA44♥♦3-1-12
+0.2Round 17🇵🇱 POLAND272♦♦10+1+7
+0.1Round 17🇵🇱 POLAND182♥♥8+3+10
+0.1Round 17🇵🇱 POLAND242♦♣4+2+0
-0.0Round 2🇵🇰 PAKISTAN244♠♥A-1+4
+0.0Round 5🇸🇪 SWEDEN13NT♦Q+1+0
-0.0Round 15🇭🇺 HUNGARY141NT♥7+2+6
-0.1Round 8🇰🇪 KENYA261NT♣10+2-1
-0.1Round 10🇮🇹 ITALY205♦x♠K-2+0
-0.1Round 10🇮🇹 ITALY213NT♥2+1+1
-0.2Round 5🇸🇪 SWEDEN44♠♦3=-1
-0.2Round 5🇸🇪 SWEDEN73NT♠9=+0
-0.3Round 5🇸🇪 SWEDEN54♥♠5=+0
-0.3Round 5🇸🇪 SWEDEN123NT♥5+2-1
-0.3Round 10🇮🇹 ITALY282♦x♦3-1-3
-0.3Round 11🇬🇵 GUADELOUPE15♣♥K+1-1
-0.3Round 17🇵🇱 POLAND313♥♥K-2-6
-0.4Round 17🇵🇱 POLAND202♥♣7=-6
-0.4Round 17🇵🇱 POLAND322♠♣3+2-10
-0.5Round 2🇵🇰 PAKISTAN234♠♥4+2+13
-0.5Round 3🇳🇱 NETHERLANDS52♦♠9-2-11
-0.5Round 9🇳🇿 NEW ZEALAND93NT♣Q+3-13
-0.5Round 10🇮🇹 ITALY244♥♠7=-1
-0.6Round 9🇳🇿 NEW ZEALAND13NT♥K-2-6
-0.6Round 16🇦🇷 ARGENTINA82NT♥6+1+0
-0.6Round 16🇦🇷 ARGENTINA102♦♣K+2+0
-0.7Round 11🇬🇵 GUADELOUPE134♠♦10=+1
-0.7Round 11🇬🇵 GUADELOUPE161♦x♠K-1-5
-0.7Round 16🇦🇷 ARGENTINA54♠♣J+1+0
-0.8Round 16🇦🇷 ARGENTINA141NT♦K=+0
-0.9Round 9🇳🇿 NEW ZEALAND63NT♣7+1+0
-0.9Round 10🇮🇹 ITALY323♥♣8=-7
-0.9Round 11🇬🇵 GUADELOUPE74♠♣6=-1
-1.1Round 3🇳🇱 NETHERLANDS102♠♦K=+11
-1.1Round 6🇷🇪 REUNION175♦♠8-1+2
-1.2Round 3🇳🇱 NETHERLANDS71♥♦K=-5
-1.3Round 3🇳🇱 NETHERLANDS124♥♠8+1+0
-1.5Round 5🇸🇪 SWEDEN114♠♦K+1+11
-1.5Round 6🇷🇪 REUNION274♠♦K-1-4
-1.5Round 11🇬🇵 GUADELOUPE103♦♣7-1+1
-1.5Round 11🇬🇵 GUADELOUPE123♥♥K=+0
-1.7Round 2🇵🇰 PAKISTAN253♣♦K+2+6
-1.7Round 15🇭🇺 HUNGARY104♥♠4+1-1
-1.7Round 16🇦🇷 ARGENTINA64♠♦9-2-5
-1.9Round 3🇳🇱 NETHERLANDS34♣♥A=+0
-1.9Round 5🇸🇪 SWEDEN161NT♣K=+0
-1.9Round 8🇰🇪 KENYA184♠x♥9-1+0
-1.9Round 15🇭🇺 HUNGARY81NT♠J-2+0
-2.0Round 5🇸🇪 SWEDEN154♠♣6+1+0
-2.1Round 5🇸🇪 SWEDEN103NT♥8+1+1
-2.1Round 6🇷🇪 REUNION233♠♦K=-7
-2.3Round 6🇷🇪 REUNION191NT♦5+1-5
-2.3Round 9🇳🇿 NEW ZEALAND81NT♥A+1-6
-2.4Round 16🇦🇷 ARGENTINA33♦♠3-2+1
-2.5Round 5🇸🇪 SWEDEN23♥♥6=+0
-2.6Round 3🇳🇱 NETHERLANDS162♥♣K-1-4
-2.7Round 3🇳🇱 NETHERLANDS113♠♦6-2-6
-2.9Round 11🇬🇵 GUADELOUPE33NT♥6-2-6
-3.0Round 9🇳🇿 NEW ZEALAND54♠♥9+1-2
-3.1Round 9🇳🇿 NEW ZEALAND144♠♠2=+0
-3.2Round 10🇮🇹 ITALY303NT♠4+1-1
-3.3Round 5🇸🇪 SWEDEN94♠♦6-2-11
-3.5Round 16🇦🇷 ARGENTINA22♥♥5+2-10
-3.7Round 15🇭🇺 HUNGARY163NT♥3-1-5
-4.1Round 3🇳🇱 NETHERLANDS12♥♥K=+0
-4.2Round 6🇷🇪 REUNION214♥♦K=+0
-4.3Round 3🇳🇱 NETHERLANDS24♥♣K-2-7
-4.5Round 9🇳🇿 NEW ZEALAND134♥♠K-1-6
-5.0Round 17🇵🇱 POLAND254♥♣2+1-1
-5.5Round 8🇰🇪 KENYA306NT♠J-3-10
-5.7Round 17🇵🇱 POLAND214♥♣K-2+0
-6.7Round 6🇷🇪 REUNION293NT♣8=+0
-8.7Round 10🇮🇹 ITALY195♠x♥J-1+0
-9.1Round 15🇭🇺 HUNGARY45♦♠K+1+13
-9.3Round 2🇵🇰 PAKISTAN286♥♠9-2-17
-12.1Round 15🇭🇺 HUNGARY136♠♦A=+0
-15.9Round 10🇮🇹 ITALY225♥x♦A-7-14