🇳🇱 POTHOF Tobias · NETHERLANDS

93rank
-94.0Butler · 112 bds
-0.84per board
±4.6swing
-0.97vs par /bd · #88/105
-0.89adjusted /bd
Butler per round: 5 -7.6 -21.7 -11.2 -11.5 -31.5 0.5 4.6 2.1 -5.6 -28.9 3.5 2.2 6.1by round

vs par split: bidding +0.09 · play -0.99

Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted -0.89/bd

Card play — on target: opening leads 85.2% #35 of 105 · declarer play 57.1% #89 of 105 · defence 71.2% #100 of 105

Bidding activity — not a pass: 39.6% #79 of 105 (118/298)

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (8)89.5% (19)
Declarer play50.0% (6)59.1% (22)
Defence92.3% (13)65.2% (46)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 85.7% (7) · ♦ 83.3% (6) · ♣ 88.9% (9)

vs par by strain: NT +0.21 (24) · a suit -1.21 (87)

vs par by level: part-score -1.59 (46) · game -0.43 (60) · slam -0.20 (5)

By role: declaring -0.82/bd (-2.98 vs par · 52) · defending -0.83/bd (+0.93 vs par · 59)

By vulnerability: vulnerable -0.33/bd (-0.18 vs par · 56) · not vulnerable -1.35/bd (-1.77 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1D.De RooijK.Roeangriwong – P.AramruangClosed8+5.0+0.62-1.00
Round 2D.De RooijL.Hofmeister – S.De WiljesClosed8-7.6-0.95-0.12
Round 5K.VisserC.Wang – Y.PengClosed8-21.7-2.71-1.62
Round 6K.VisserO.Gal Or – Y.Ben MelechClosed8-11.2-1.40-2.12
Round 7D.De RooijL.Crepin – E.LyoenClosed8-11.5-1.44-1.00
Round 8D.De RooijA.Mehta – J.NarangOpen8-31.5-3.94-0.75
Round 9D.De RooijE.Kapidaki – I.KapidakisOpen8+0.5+0.06+1.25
Round 10D.De RooijC.Zeeberg – T.Holm FaxoeeClosed8+4.6+0.57-0.25
Round 11D.De RooijL.Blocher – A.XuClosed8+2.1+0.26-0.88
Round 12D.De RooijM.Briedis – S.LitvakOpen8-5.6-0.70-2.00
Round 14K.VisserO.Deng – Y.CaiClosed8-28.9-3.61-8.38
Round 15D.De RooijS.Vangdal – S.DraegeClosed8+3.5+0.44+1.38
Round 16D.De RooijS.Morris – J.HedgesClosed8+2.2+0.28+1.38
Round 17D.De RooijH.Xing – A.JiaClosed8+6.1+0.76+0.50

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 6🇮🇱 ISRAEL147♥♣A-1+14
+10.7Round 6🇮🇱 ISRAEL95♦x♣8-3+9
+8.1Round 15🇳🇴 NORWAY253NT♠5+1+11
+7.8Round 10🇩🇰 DENMARK94♠♥4+2+11
+7.4Round 10🇩🇰 DENMARK124♠♥A=+6
+7.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND56NT♣K-2+11
+6.4Round 1🇹🇭 THAILAND33NT♣J-1+5
+6.1Round 17🇨🇦 CANADA142NT♠5-4+3
+5.5Round 11🇺🇸 USA2234♠♣7=+0
+5.2Round 10🇩🇰 DENMARK136♠♣4=-13
+5.0Round 17🇨🇦 CANADA123NT♥5+1+1
+4.9Round 9🇬🇷 GREECE84♠♥K-1+5
+4.8Round 2🇩🇪 GERMANY153NT♥2-2+11
+4.8Round 17🇨🇦 CANADA153NT♦6+2+0
+4.1Round 1🇹🇭 THAILAND61♥♣7=+5
+3.8Round 7🇫🇷 FRANCE194♥♣J=+0
+3.7Round 1🇹🇭 THAILAND24♠♦Q-1+6
+3.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♥Q+1+11
+3.2Round 2🇩🇪 GERMANY124♥♠A-2+6
+3.1Round 9🇬🇷 GREECE52NT♠9=+0
+3.1Round 15🇳🇴 NORWAY302♣♥K+1+8
+2.9Round 8🇮🇳 INDIA273♠♦5+2-6
+2.5Round 12🇱🇻 LATVIA293♦♠6-2+3
+2.5Round 15🇳🇴 NORWAY272♥♦J+2+7
+2.3Round 9🇬🇷 GREECE14♠♠T-1+10
+2.3Round 14🇭🇰 HONG KONG CHINA233♦♠A+1-10
+2.1Round 5🇹🇼 CHINESE TAIPEI25♣♥Q-1+5
+1.8Round 9🇬🇷 GREECE72♠♣A=+6
+1.8Round 11🇺🇸 USA2172♠♦K+1+0
+1.8Round 11🇺🇸 USA2183♥♣A-1-11
+1.8Round 12🇱🇻 LATVIA314♠♥7+2+11
+1.5Round 14🇭🇰 HONG KONG CHINA182♥♥7-1-3
+1.4Round 11🇺🇸 USA2212♣♥6=+1
+1.4Round 15🇳🇴 NORWAY284♠♦2=+6
+1.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33♦♥A-1+0
+1.2Round 7🇫🇷 FRANCE202♠♣Q=+1
+1.2Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND42♠♦K=+0
+1.0Round 5🇹🇼 CHINESE TAIPEI54♠♦Q-1-6
+0.5Round 5🇹🇼 CHINESE TAIPEI34♠♦7=+0
+0.5Round 11🇺🇸 USA2193NT♦5=+0
+0.4Round 12🇱🇻 LATVIA324♥♣K+1+0
+0.4Round 15🇳🇴 NORWAY322♦♣7=-2
+0.2Round 12🇱🇻 LATVIA252♠♥A=-7
+0.2Round 17🇨🇦 CANADA162NT♠2=+0
+0.1Round 1🇹🇭 THAILAND74♠♦A=+0
+0.0Round 5🇹🇼 CHINESE TAIPEI62♠♥J+2+10
-0.0Round 9🇬🇷 GREECE44♥♦Q-1+6
-0.1Round 5🇹🇼 CHINESE TAIPEI74♠♥4=+0
-0.1Round 11🇺🇸 USA2201NT♥Q=+1
-0.1Round 17🇨🇦 CANADA113NT♦2=-2
-0.3Round 7🇫🇷 FRANCE241NT♥3=+1
-0.4Round 2🇩🇪 GERMANY94♠♦6=+0
-0.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND22♠♣K-2-2
-0.5Round 1🇹🇭 THAILAND42♠♦6=-1
-0.5Round 2🇩🇪 GERMANY113♦♣Q=-7
-0.5Round 7🇫🇷 FRANCE214NT♥5+1+10
-0.5Round 12🇱🇻 LATVIA264♠♣K=+0
-0.5Round 14🇭🇰 HONG KONG CHINA213NT♠4=+1
-0.6Round 10🇩🇰 DENMARK152♦x♣5-1+0
-0.9Round 14🇭🇰 HONG KONG CHINA204♠♦Q-1-11
-1.1Round 9🇬🇷 GREECE62♠♥Q-1-6
-1.2Round 10🇩🇰 DENMARK143♥♦K-1-5
-1.5Round 8🇮🇳 INDIA325♦♠A+1+10
-1.5Round 15🇳🇴 NORWAY263♥♦A-1-5
-1.6Round 1🇹🇭 THAILAND82♦♥6-1-9
-1.9Round 8🇮🇳 INDIA304♠♥4=-1
-1.9Round 10🇩🇰 DENMARK113NT♥2=+2
-1.9Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND82NT♠4+1-1
-2.2Round 2🇩🇪 GERMANY134♥♠Q-2-2
-2.2Round 2🇩🇪 GERMANY163♦♣A+1-1
-2.2Round 17🇨🇦 CANADA94♥♦8=-11
-2.3Round 8🇮🇳 INDIA313NT♦6=+1
-2.3Round 12🇱🇻 LATVIA303♠♣J=-7
-2.4Round 7🇫🇷 FRANCE233♠x♥2-1-8
-2.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND73♠♦6=+0
-2.5Round 9🇬🇷 GREECE34♣♣6+1-1
-2.5Round 12🇱🇻 LATVIA27Pass-9
-2.6Round 7🇫🇷 FRANCE183♦♥K+1-1
-2.7Round 2🇩🇪 GERMANY102♠♦K-1+0
-2.7Round 6🇮🇱 ISRAEL112♥♦5-1-4
-2.8Round 15🇳🇴 NORWAY293♠♦K+1-1
-3.0Round 11🇺🇸 USA2225♠♠6+1+1
-3.1Round 6🇮🇱 ISRAEL163♠♣A-1-5
-3.3Round 1🇹🇭 THAILAND54♠♥T+1-15
-3.3Round 7🇫🇷 FRANCE174♥♠A-2+0
-3.3Round 17🇨🇦 CANADA134♥♠9+1+0
-3.6Round 14🇭🇰 HONG KONG CHINA173NT♠4-1-10
-3.8Round 8🇮🇳 INDIA254♥♣2+1-4
-3.9Round 1🇹🇭 THAILAND13NT♣5=+1
-4.4Round 17🇨🇦 CANADA104♠♦J=+13
-5.1Round 6🇮🇱 ISRAEL122♠♣6-2+0
-5.2Round 10🇩🇰 DENMARK105♦♠A+1-3
-5.2Round 12🇱🇻 LATVIA284♠♦6=-7
-5.8Round 11🇺🇸 USA2245♦♠A=+1
-5.9Round 5🇹🇼 CHINESE TAIPEI13♠♣J=-1
-5.9Round 5🇹🇼 CHINESE TAIPEI82NT♦3-4-7
-6.3Round 6🇮🇱 ISRAEL155♠♥8-1-10
-6.5Round 14🇭🇰 HONG KONG CHINA244♥♣K-1-10
-6.5Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♦♠5-1-8
-6.9Round 8🇮🇳 INDIA294♠♦3+2-1
-6.9Round 10🇩🇰 DENMARK162♣♥T+1+0
-7.4Round 7🇫🇷 FRANCE225NT♣7-3-11
-7.6Round 2🇩🇪 GERMANY144♠♣5=-8
-7.7Round 15🇳🇴 NORWAY314♠♥A=-13
-8.0Round 9🇬🇷 GREECE23NT♥9-6-10
-8.2Round 6🇮🇱 ISRAEL134♥♦8-1-13
-8.8Round 8🇮🇳 INDIA264♥♦A-3-5
-8.8Round 14🇭🇰 HONG KONG CHINA194♠♥A-1-11
-9.2Round 8🇮🇳 INDIA286♠♣T=+0
-9.7Round 6🇮🇱 ISRAEL105♣x♦7+1-8
-12.4Round 14🇭🇰 HONG KONG CHINA226NT♠T=-13
-13.4Round 5🇹🇼 CHINESE TAIPEI44♥x♠T=-14