🇳🇱 KOLEN Jan · NETHERLANDS

26rank
+53.7Butler · 128 bds
+0.42per board
±4.2swing
+0.55vs par /bd · #15/108
+0.44adjusted /bd
Butler per round: 7.4 -2.5 15.1 12.3 15.7 26.5 -2.9 -17.9by round

vs par split: bidding +0.08 · play +0.50

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.44/bd

Card play — on target: opening leads 85.2% #13 of 108 · declarer play 80.0% #19 of 108 · defence 94.4% #1 of 108

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (10)88.2% (17)
Declarer play66.7% (15)90.0% (20)
Defence95.7% (23)93.9% (49)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 88.9% (9) · ♦ 80.0% (5) · ♣ 71.4% (7)

vs par by strain: NT +0.69 (45) · a suit +0.51 (82)

vs par by level: part-score +0.09 (44) · game +1.05 (77) · slam -2.00 (6)

By role: declaring +0.04/bd (-2.52 vs par · 56) · defending +0.71/bd (+2.93 vs par · 72)

By vulnerability: vulnerable -0.24/bd (+0.05 vs par · 64) · not vulnerable +1.08/bd (+1.05 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 12P.Van Der VoordenA.Rummel – I.KalmaClosed16+7.4+0.46+0.50
Round 13L.HoflandD.Cohen – J.EngelClosed16-2.5-0.16-1.38
Round 14L.HoflandU.Wenning – H.FrerichsClosed16+15.1+0.94+1.06
Round 15L.HoflandW.Starkowski – M.KwiecienOpen16+12.3+0.77+1.81
Round 16L.HoflandT.Andersson – G.HashimotoOpen16+15.7+0.98-0.81
Round 17L.HoflandA.Celik – M.SirikliogluOpen16+26.5+1.66+2.00
Round 18L.HoflandP.Coenraets – F.BigdeliOpen16-2.9-0.18+2.06
Round 19L.HoflandM.Claret – J.RocafortOpen16-17.9-1.12-0.88

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
+11.6Round 17🇹🇷 TURKIYE223NT♦3-1+13
+11.2Round 15🇵🇱 POLAND323NT♠2-3+14
+11.0Round 17🇹🇷 TURKIYE325♥x♣A=+10
+10.9Round 13🇮🇱 ISRAEL225♥♠10-1+6
+8.1Round 12🇪🇪 ESTONIA33NT♠5=+12
+8.1Round 16🇨🇭 SWITZERLAND33NT♥3-1+10
+6.8Round 15🇵🇱 POLAND173NT♥6=+0
+6.4Round 15🇵🇱 POLAND223NT♦5-1+6
+6.2Round 15🇵🇱 POLAND183NT♣4-2+6
+5.9Round 16🇨🇭 SWITZERLAND143NT♣10+3+8
+5.8Round 14🇩🇪 GERMANY143♠♣4-1+10
+5.4Round 17🇹🇷 TURKIYE192♥♦2+1+13
+5.3Round 17🇹🇷 TURKIYE264♠x♥7-1+8
+5.2Round 14🇩🇪 GERMANY25♣♠A=+3
+5.2Round 17🇹🇷 TURKIYE295♦x♥J-1+0
+5.2Round 18🇧🇪 BELGIUM36♠♥A-1+14
+5.1Round 16🇨🇭 SWITZERLAND123NT♠7-1+6
+4.5Round 12🇪🇪 ESTONIA143NT♥9-1+5
+4.3Round 13🇮🇱 ISRAEL273NT♠10-4+2
+4.3Round 16🇨🇭 SWITZERLAND43♠♠A-1+5
+4.2Round 16🇨🇭 SWITZERLAND164♠♥4-1+5
+4.1Round 14🇩🇪 GERMANY123NT♦J-1+10
+4.0Round 14🇩🇪 GERMANY163♣♥6-1+5
+3.9Round 18🇧🇪 BELGIUM84♥♣J+3+14
+3.6Round 16🇨🇭 SWITZERLAND153♣♥9-1+0
+3.4Round 14🇩🇪 GERMANY94♥♦A=+0
+3.1Round 18🇧🇪 BELGIUM52♠♣A=+5
+2.9Round 16🇨🇭 SWITZERLAND116♥♥2+1-11
+2.8Round 17🇹🇷 TURKIYE173NT♣J+1+0
+2.7Round 12🇪🇪 ESTONIA42♣♦J=+0
+2.7Round 12🇪🇪 ESTONIA153♦♣6+1+0
+2.6Round 13🇮🇱 ISRAEL183♥♦A-2+5
+2.3Round 18🇧🇪 BELGIUM42♠♥A=+1
+2.2Round 13🇮🇱 ISRAEL172♥♣2-2+0
+2.2Round 17🇹🇷 TURKIYE203NT♥K=-1
+2.1Round 12🇪🇪 ESTONIA112♠♦5-1+4
+2.1Round 17🇹🇷 TURKIYE244♠♣Q-1+10
+2.1Round 17🇹🇷 TURKIYE252♣x♥2+1+4
+2.1Round 19🇫🇷 FRANCE193♠♣K=+0
+1.9Round 15🇵🇱 POLAND273♥♣A-1+4
+1.9Round 18🇧🇪 BELGIUM62♠♣A-1-2
+1.9Round 18🇧🇪 BELGIUM93NT♠5-2+6
+1.8Round 15🇵🇱 POLAND293NT♥6+1+1
+1.6Round 17🇹🇷 TURKIYE213♣♠8-1+4
+1.6Round 19🇫🇷 FRANCE173NT♥5=-1
+1.5Round 15🇵🇱 POLAND203♥♠A-2+2
+1.4Round 12🇪🇪 ESTONIA162♥♠5=+1
+1.3Round 13🇮🇱 ISRAEL253♣♥Q-1+0
+1.2Round 12🇪🇪 ESTONIA101NT♠2+2+1
+1.2Round 19🇫🇷 FRANCE253♠♥Q=+0
+1.1Round 16🇨🇭 SWITZERLAND73NT♠J+2+1
+1.1Round 17🇹🇷 TURKIYE273NT♦5+1+0
+1.1Round 17🇹🇷 TURKIYE304♥♣K=+1
+1.1Round 18🇧🇪 BELGIUM72♥♣5+2+1
+0.9Round 14🇩🇪 GERMANY102♠♥2+2+1
+0.8Round 14🇩🇪 GERMANY85♠♣A=+1
+0.8Round 16🇨🇭 SWITZERLAND53NT♠4+2+0
+0.8Round 19🇫🇷 FRANCE324♥♠K+1+0
+0.7Round 12🇪🇪 ESTONIA53NT♣5+2+0
+0.6Round 14🇩🇪 GERMANY54♠♦3=+0
+0.6Round 14🇩🇪 GERMANY73♠♣4+1-8
+0.5Round 15🇵🇱 POLAND252♠♥10+2+10
+0.5Round 15🇵🇱 POLAND263NT♣9+3+1
+0.4Round 13🇮🇱 ISRAEL28Pass-3
+0.4Round 18🇧🇪 BELGIUM165♦x♣5-1+0
+0.4Round 19🇫🇷 FRANCE244♠♥2+3-10
+0.4Round 19🇫🇷 FRANCE265♦♥9+1+13
+0.3Round 16🇨🇭 SWITZERLAND22♠♠6-2+1
+0.3Round 18🇧🇪 BELGIUM103♣♥3-1+5
+0.2Round 12🇪🇪 ESTONIA63NT♦2+1+0
+0.2Round 13🇮🇱 ISRAEL195♦♦2=+1
+0.2Round 14🇩🇪 GERMANY65♣♥6=-2
+0.2Round 15🇵🇱 POLAND194♥♣K+2+3
+0.2Round 19🇫🇷 FRANCE203NT♣3+1+0
+0.1Round 18🇧🇪 BELGIUM23NT♥9+2+0
+0.0Round 14🇩🇪 GERMANY13NT♠J+2-10
-0.1Round 14🇩🇪 GERMANY34♥♣7+1+13
-0.1Round 16🇨🇭 SWITZERLAND104♥♠9+1+1
-0.2Round 13🇮🇱 ISRAEL203NT♠5+1-13
-0.2Round 13🇮🇱 ISRAEL261NT♥3+1+0
-0.2Round 16🇨🇭 SWITZERLAND93NT♠5+1+1
-0.4Round 19🇫🇷 FRANCE223NT♠7=+2
-0.6Round 19🇫🇷 FRANCE233NT♠9+3-13
-0.8Round 12🇪🇪 ESTONIA83NT♦3+1+0
-0.8Round 12🇪🇪 ESTONIA134♥♥5=+1
-0.8Round 15🇵🇱 POLAND214♥♠6=+0
-0.9Round 13🇮🇱 ISRAEL241NT♠6+2+6
-0.9Round 15🇵🇱 POLAND244♥♠Q=+0
-0.9Round 18🇧🇪 BELGIUM145♣♠A=-3
-1.0Round 14🇩🇪 GERMANY153NT♣6+3+10
-1.1Round 15🇵🇱 POLAND284♠♦J+1-1
-1.2Round 19🇫🇷 FRANCE314♥♣J=+0
-1.5Round 13🇮🇱 ISRAEL294♠♥10+1+0
-1.7Round 12🇪🇪 ESTONIA22♥♦A-1-7
-1.7Round 17🇹🇷 TURKIYE231NT♠4=+0
-1.8Round 13🇮🇱 ISRAEL234♥♣A-2-12
-1.8Round 19🇫🇷 FRANCE294♠♥J+1+16
-1.9Round 14🇩🇪 GERMANY41NT♣10=+0
-2.1Round 12🇪🇪 ESTONIA13♠♦10+3-5
-2.2Round 19🇫🇷 FRANCE273NT♥2-2-9
-2.3Round 19🇫🇷 FRANCE284♠♣4+2-1
-2.4Round 14🇩🇪 GERMANY134♣♠A=-8
-2.4Round 15🇵🇱 POLAND302♣♥A=-5
-2.5Round 17🇹🇷 TURKIYE282♥♠3=-9
-2.6Round 12🇪🇪 ESTONIA93♦♠9=+0
-2.7Round 12🇪🇪 ESTONIA72♥♠10-1+0
-3.0Round 16🇨🇭 SWITZERLAND62NT♦5+1-10
-3.1Round 18🇧🇪 BELGIUM116♠♣K=+11
-3.2Round 19🇫🇷 FRANCE213NT♠4=+0
-3.5Round 16🇨🇭 SWITZERLAND13♥♣4-1-4
-3.6Round 13🇮🇱 ISRAEL215♣♥K+1-1
-3.6Round 18🇧🇪 BELGIUM14♥♠9+1+0
-3.7Round 19🇫🇷 FRANCE183NT♥K-2-8
-4.0Round 18🇧🇪 BELGIUM133NT♠2-2-7
-4.5Round 13🇮🇱 ISRAEL314♥♣Q=+0
-4.6Round 13🇮🇱 ISRAEL303NT♥8=-3
-4.6Round 16🇨🇭 SWITZERLAND86♦♥9-1-14
-5.1Round 14🇩🇪 GERMANY113NT♥K-1-8
-5.5Round 12🇪🇪 ESTONIA125♦x♣6-4-4
-5.6Round 18🇧🇪 BELGIUM151♥x♦6-1-5
-5.9Round 18🇧🇪 BELGIUM121NT♦7+2-7
-6.9Round 17🇹🇷 TURKIYE185♦x♠A-1-7
-7.1Round 13🇮🇱 ISRAEL325♦♥9+1-10
-7.6Round 15🇵🇱 POLAND236♦♥6-1-12
-9.2Round 16🇨🇭 SWITZERLAND134♠♣5-1-12
-9.2Round 19🇫🇷 FRANCE304♠♥5=-3
-11.9Round 15🇵🇱 POLAND317♣♣8=+0
-13.9Round 17🇹🇷 TURKIYE312♥x♦A-4-14