MARTENS Krzysztof · MARTENS

39rank
+58.9Butler · 132 bds
+0.45per board
±4.0swing
+0.45vs par /bd · #47/216
+0.82adjusted /bd
Butler per round: 20.2 7.3 -10.5 -7.8 26.4 21 7.5 13.1 5.4 0 -23.7by round

vs par split: bidding +0.30 · play +0.14

Strength of schedule: opponents averaged +0.37/bd (a tough draw) → opponent-adjusted +0.82/bd

Card play — on target: opening leads 84.6% #84 of 216 · declarer play 77.4% #69 of 216 · defence 89.9% #69 of 216

Bidding activity — not a pass: 33.4% #215 of 216 (130/389)

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (12)85.2% (27)
Declarer play50.0% (6)84.0% (25)
Defence81.8% (22)93.0% (57)

Opening leads by suit led: ♠ 80.0% (10) · ♥ 100.0% (8) · ♦ 75.0% (12) · ♣ 88.9% (9)

vs par by strain: NT +0.94 (34) · a suit +0.28 (98)

vs par by level: part-score -1.44 (50) · game +1.71 (73) · slam +0.67 (9)

By role: declaring +0.89/bd (-1.53 vs par · 53) · defending +0.15/bd (+1.77 vs par · 79)

By vulnerability: vulnerable +0.34/bd (-0.23 vs par · 66) · not vulnerable +0.55/bd (+1.12 vs par · 66)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.PietraszekE.Cheng – V.WaeltiClosed12+20.2+1.68+3.33
Round 3M.PietraszekS.Thakral – J.ShivdasaniClosed12+7.3+0.61-1.33
Round 4M.PietraszekP.King – M.BellOpen12-10.5-0.88-0.08
Round 5M.PietraszekC.Margot – M.SasselliOpen12-7.8-0.65-0.92
Round 6M.PietraszekP.Patreuha – S.GolebiowskiOpen12+26.4+2.20-0.25
Round 7M.PietraszekG.Donati – G.PercarioOpen12+21.0+1.75+2.50
Round 8M.PietraszekG.Laffineur – R.TembouretOpen12+7.5+0.62+0.50
Round 9M.PietraszekK.Marinovski – V.ZoricOpen12+13.1+1.09+1.08
Round 10M.PietraszekG.Helgemo – Z.MahmoodClosed12+5.4+0.45-0.58
Round 11M.PietraszekJ.Rombaut – L.RombautClosed12+0.0+0.00+1.92
Round 12M.PietraszekA.Sementa – A.VersaceClosed12-23.7-1.97-1.25

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
+11.4Round 3MAVERICKS95♣♦Q=+0
+10.8Round 2SWISS LADIES146♣x♦A-3+14
+9.9Round 6AZS WRATISLAVIA181NTx♦6+3+7
+9.2Round 3MAVERICKS115♦♠K-1+10
+8.5Round 11FRANCE GREEN54♠x♣T=+10
+7.6Round 6AZS WRATISLAVIA195♣♦A-1+10
+7.2Round 9CROATIA114♥♦2-1+4
+7.0Round 10WIGODER154♠♠6-2+8
+6.9Round 6AZS WRATISLAVIA206♠♦7+1-13
+6.2Round 8LES TEIGNES134♠♦Q=+9
+6.2Round 10WIGODER184♥♠A=+12
+5.8Round 7MULTON104♠x♦J-2+12
+5.6Round 10WIGODER236♠♣6-1+13
+5.5Round 4SANDFIA152NT♦K-2+7
+5.0Round 9CROATIA33NT♥5-2+11
+4.7Round 11FRANCE GREEN34♠♣K-1+5
+4.6Round 2SWISS LADIES223♠♦K-1+10
+4.6Round 7MULTON122♠♦J=+0
+4.3Round 2SWISS LADIES133NT♥6+4+17
+4.3Round 8LES TEIGNES203♣♠A+1+10
+3.8Round 7MULTON95♣♥Q+1+14
+3.8Round 10WIGODER245♥♣K-1+4
+3.6Round 6AZS WRATISLAVIA224♠♥J=+8
+3.6Round 7MULTON113NT♠2=+6
+3.5Round 10WIGODER193NT♥2+2+0
+3.5Round 11FRANCE GREEN15♦x♣6-3+5
+3.4Round 2SWISS LADIES203♠♥A=+0
+3.4Round 4SANDFIA213♠♦K-3-3
+3.3Round 2SWISS LADIES244♥♦6+3+10
+3.2Round 7MULTON14♥♠A+2+2
+3.1Round 3MAVERICKS72NT♠Q-2+3
+2.9Round 9CROATIA53♣♥8-1-1
+2.9Round 9CROATIA92♦♠3-3+1
+2.9Round 12BERNAL133NT♠4-2+8
+2.8Round 6AZS WRATISLAVIA173NTx♦9-1+6
+2.8Round 9CROATIA44♠♦2-1+6
+2.7Round 8LES TEIGNES214♣♥6-1+2
+2.6Round 4SANDFIA222♥♦T=-1
+2.2Round 8LES TEIGNES232♥♠6+1+1
+2.1Round 5LES ALLUMETTES66♠♦7+1-13
+2.1Round 8LES TEIGNES194♥♦K+1+1
+1.9Round 8LES TEIGNES164♠♣2=+0
+1.8Round 2SWISS LADIES231NT♥8-1-1
+1.8Round 5LES ALLUMETTES115♦♥T+1+11
+1.7Round 10WIGODER171NT♠2=-2
+1.6Round 2SWISS LADIES174♥♠A-1+4
+1.6Round 8LES TEIGNES175♥♠J+1-8
+1.4Round 5LES ALLUMETTES53♦♦Q+2+0
+1.4Round 12BERNAL143NT♦5=+7
+1.3Round 3MAVERICKS101NT♣4=-1
+1.2Round 3MAVERICKS32♠♠6-4-9
+1.2Round 6AZS WRATISLAVIA143NT♠6+3+1
+1.2Round 9CROATIA23♦♥3-2+3
+0.9Round 6AZS WRATISLAVIA215♦x♥8-2-10
+0.7Round 7MULTON66NT♦T+1-13
+0.7Round 9CROATIA63♦♠K+2-10
+0.7Round 11FRANCE GREEN63♦x♣5-1+0
+0.7Round 11FRANCE GREEN125♣♥A=+2
+0.6Round 5LES ALLUMETTES102♦x♠J-1-9
+0.6Round 7MULTON22♠♦T+1+1
+0.4Round 9CROATIA82♠♦Q-2+1
+0.3Round 5LES ALLUMETTES12♠♥Q-1-3
+0.3Round 7MULTON43NT♥5=+0
+0.2Round 4SANDFIA192♥♦3-1-2
+0.2Round 6AZS WRATISLAVIA133♣♦K+2-10
+0.2Round 6AZS WRATISLAVIA243NT♥6=+0
+0.1Round 2SWISS LADIES164♥♥3+2-13
+0.1Round 10WIGODER202♠♦T+1-10
+0.1Round 11FRANCE GREEN84♠♦6=-3
+0.0Round 3MAVERICKS23NT♠7+2-10
+0.0Round 7MULTON83♦♥A=+0
-0.0Round 8LES TEIGNES183NT♠Q=-2
-0.0Round 12BERNAL246♦♥A-2+5
-0.1Round 4SANDFIA145♣♠3=+0
-0.1Round 4SANDFIA183♠♥J-1-4
-0.1Round 5LES ALLUMETTES123NT♠5+1+0
-0.2Round 2SWISS LADIES194♥♣5=+0
-0.2Round 5LES ALLUMETTES74♥♠A+1+0
-0.2Round 8LES TEIGNES224♠♥8=+3
-0.2Round 12BERNAL204♥♦2+1+0
-0.3Round 4SANDFIA165♥♦9=+0
-0.3Round 4SANDFIA231NT♠Q+1+10
-0.4Round 7MULTON55♦♠6+1+10
-0.5Round 3MAVERICKS125♦♣8=+2
-0.5Round 5LES ALLUMETTES34♥♦7=+0
-0.5Round 5LES ALLUMETTES82NT♣K+1+0
-0.5Round 7MULTON74♠♦A=+0
-0.7Round 7MULTON35♥♣6-1-2
-0.8Round 5LES ALLUMETTES94♠♥Q+1+0
-0.9Round 9CROATIA101NT♦3+1+10
-1.0Round 6AZS WRATISLAVIA152♠♥6=+0
-1.0Round 12BERNAL184♠♦7+1-11
-1.1Round 10WIGODER142♥♥T+1-1
-1.2Round 2SWISS LADIES215♦♣3+1+13
-1.2Round 9CROATIA13♠♦Q-1+2
-1.2Round 11FRANCE GREEN25♥x♠A-3+12
-1.2Round 11FRANCE GREEN73NT♣2+1+0
-1.5Round 10WIGODER163NT♣K+2-1
-1.6Round 6AZS WRATISLAVIA162♦♥K-1-2
-1.6Round 12BERNAL151♠♣4+3-1
-1.7Round 12BERNAL191NT♣T-1-5
-1.8Round 3MAVERICKS55♣x♦8-2-5
-1.9Round 3MAVERICKS61NT♦Q=-5
-2.2Round 5LES ALLUMETTES26♣♦2+1+13
-2.3Round 2SWISS LADIES154♥♠8+1-4
-2.3Round 11FRANCE GREEN93♠♥7=-12
-2.3Round 12BERNAL234♠♦7-2-8
-2.5Round 8LES TEIGNES146NT♦A=+0
-3.0Round 9CROATIA122♠♥7-1-4
-3.1Round 12BERNAL172♠♠7+1+0
-3.1Round 12BERNAL226♠♥A=+0
-3.2Round 3MAVERICKS83NT♦2+2-1
-3.5Round 8LES TEIGNES153♣♥A=+0
-4.1Round 10WIGODER213NT♥7+1-11
-4.1Round 11FRANCE GREEN104♠x♥A-3+12
-4.3Round 6AZS WRATISLAVIA232♠♥A+1+0
-4.4Round 4SANDFIA243NT♥4=+0
-4.4Round 11FRANCE GREEN45♣♠6=-3
-4.6Round 4SANDFIA174♠♥K+1+0
-4.6Round 10WIGODER132♠♦5-1-5
-4.9Round 3MAVERICKS14♠♣2+1+0
-4.9Round 9CROATIA72♠♦Q+1-10
-5.0Round 11FRANCE GREEN112♠x♦6-2-5
-5.6Round 4SANDFIA204♠♠4+1-1
-6.0Round 2SWISS LADIES185♣♦9-1-10
-6.1Round 12BERNAL163NT♦3=+1
-6.6Round 3MAVERICKS43NT♥6=+0
-6.8Round 4SANDFIA135♥x♠T-1-7
-7.3Round 8LES TEIGNES244♥x♦Q-2-10
-8.9Round 12BERNAL215♥x♣K=-11
-9.7Round 5LES ALLUMETTES41NTx♦K+1-10
-11.2Round 10WIGODER222♠x♣4=-14