MARTENS Krzysztof · POLAND

54rank
+11.5Butler · 168 bds
+0.07per board
±3.9swing
-0.80vs par /bd · #111/120
+0.34adjusted /bd
Butler per round: 14.5 16.3 14.7 -40.9 3.1 2.4 10.3 -10.3 -15.5 9.9 -14.5 21.5by round

vs par split: bidding -0.65 · play -0.15

Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted +0.34/bd

Card play — on target: opening leads 84.3% #49 of 120 · declarer play 81.4% #24 of 120 · defence 79.3% #105 of 120

Bidding activity — not a pass: 42.5% #64 of 120 (197/464)

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (12)84.6% (39)
Declarer play66.7% (9)85.3% (34)
Defence85.0% (20)77.6% (67)

Opening leads by suit led: ♠ 81.2% (16) · ♥ 92.3% (13) · ♦ 100.0% (10) · ♣ 66.7% (12)

vs par by strain: NT -0.46 (37) · a suit -0.90 (131)

vs par by level: part-score +0.04 (69) · game -1.61 (89) · slam +0.50 (10)

By role: declaring +0.65/bd (-2.57 vs par · 81) · defending -0.48/bd (+0.84 vs par · 87)

By vulnerability: vulnerable +0.38/bd (-0.57 vs par · 84) · not vulnerable -0.24/bd (-1.04 vs par · 84)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.WitekA.Padhye – G.VenkateshOpen14+14.5+1.04-1.86
Round 2M.WitekJ.Nowak – K.KlufOpen14+16.3+1.16-0.43
Round 3M.WitekV.Melman – S.ZeligmanOpen14+14.7+1.05+1.21
Round 4M.WitekB.Bramley – Z.MahmoodOpen14-40.9-2.92-3.43
Round 5M.WitekJ.Lesniczak – N.BuchlevOpen14+3.1+0.22+1.00
Round 6M.WitekM.Bompis – P.ZimmermannOpen14+2.4+0.17-1.00
Round 7M.WitekM.Kiepura – M.NiesluchowskiOpen14+10.3+0.74+0.86
Round 8M.WitekJ.Holland – A.MouldOpen14-10.3-0.74-0.64
Round 9M.WitekD.Cohen – J.EngelOpen14-15.5-1.11-2.43
Round 10M.WitekC.Berendregt – P.IjsselmuidenOpen14+9.9+0.71-0.50
Round 11M.WitekA.Sontag – B.LevinOpen14-14.5-1.04-0.86
Round 12M.WitekS.Zawislak – M.BartkowskiClosed14+21.5+1.54-1.57

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
+13.7Round 12BAZA BOGIER167♣♣7=+12
+12.7Round 12BAZA BOGIER262♠x♠2=+13
+10.3Round 5PKB POZNAN86♣♥T=-2
+9.7Round 3MISFIT34♥♣K=+11
+9.3Round 1TEXAN ACES114♠x♣T-2+12
+8.7Round 8MOSSOP233NT♥9+1+4
+7.7Round 5PKB POZNAN122♦♦K-3+9
+7.0Round 2PKB THERM183NT♦J-1+6
+6.9Round 7GDAKRA76♦♠A+1-7
+6.7Round 2PKB THERM236♦♠5+1-13
+6.1Round 10VALLON266♥♠J=+0
+6.1Round 12BAZA BOGIER193♠♣Q-3+7
+6.0Round 3MISFIT85♦♥6-1+10
+5.6Round 1TEXAN ACES24♠♥A+2-3
+4.6Round 1TEXAN ACES94♠♥A=+0
+4.5Round 12BAZA BOGIER176♣♥A+1-11
+4.4Round 9KALISH94♠x♥K-1+9
+4.3Round 2PKB THERM222NT♠Q+1+13
+4.2Round 6ZIMMERMANN203NT♦8-1+6
+4.1Round 8MOSSOP154♠♣3+2+11
+4.0Round 1TEXAN ACES44♥♣Q-2+2
+3.9Round 10VALLON165♥♠Q+1-1
+3.6Round 12BAZA BOGIER272NT♠2-2+5
+3.4Round 11SIMSON42♥♠Q=+6
+3.3Round 7GDAKRA145♥♠A-2+0
+3.2Round 2PKB THERM253♦♦3-3+6
+3.2Round 6ZIMMERMANN263NT♥2=-1
+3.0Round 5PKB POZNAN34♠♥7=-13
+3.0Round 7GDAKRA123♠♥K=+8
+2.7Round 7GDAKRA103NT♥6+2+0
+2.7Round 9KALISH52♥♦A=+0
+2.7Round 9KALISH82♠♥K+1+0
+2.7Round 10VALLON283♦♣6-2+5
+2.4Round 7GDAKRA52♣♥2-1+4
+2.3Round 6ZIMMERMANN151NT♣2-1+5
+2.3Round 12BAZA BOGIER284♥♠6+2+2
+2.2Round 4MILNER243♣♥2-1-1
+2.1Round 3MISFIT45♥♥J+2-17
+2.1Round 8MOSSOP163NT♣Q+2+1
+2.0Round 11SIMSON84♥♦Q=+3
+2.0Round 11SIMSON122♠♣J-1-1
+1.9Round 3MISFIT144♠♦Q+1+0
+1.9Round 6ZIMMERMANN273NT♠7+2+0
+1.9Round 10VALLON192♥♦A=-1
+1.9Round 10VALLON212♠♠2=+6
+1.8Round 8MOSSOP262♥♠K-1+0
+1.7Round 2PKB THERM193NT♠2-2+11
+1.5Round 7GDAKRA112♦♥6=+8
+1.5Round 10VALLON151NT♣J-1-1
+1.4Round 2PKB THERM152♠♦6-1-1
+1.4Round 5PKB POZNAN142♥♦2+1+1
+1.4Round 10VALLON234♥♣5-1+1
+1.3Round 1TEXAN ACES64♥♣A=+0
+1.3Round 2PKB THERM274♥♥T+1+0
+1.3Round 9KALISH42♠♦5+1+0
+1.2Round 2PKB THERM284♥♦K=-1
+1.2Round 6ZIMMERMANN233♦♠J-1+0
+1.2Round 7GDAKRA21NT♣5+1+0
+1.1Round 11SIMSON13♠♠7=+0
+1.0Round 2PKB THERM173NT♦6+2-11
+1.0Round 2PKB THERM213NT♠A-4+7
+1.0Round 3MISFIT93NT♥T-1-6
+1.0Round 3MISFIT136♥♠T+1+13
+1.0Round 6ZIMMERMANN213♠♥K-1-1
+1.0Round 11SIMSON131NT♦J+1+1
+0.9Round 8MOSSOP224♠♥K+2-11
+0.9Round 10VALLON274♠♥7-2+1
+0.8Round 1TEXAN ACES52♠♦Q=-1
+0.8Round 5PKB POZNAN42♠♥7-2+9
+0.8Round 11SIMSON66♣♥5-2+0
+0.7Round 3MISFIT14♥♠A-1-2
+0.7Round 6ZIMMERMANN164♥♦9=+0
+0.6Round 6ZIMMERMANN283NT♦5+1-11
+0.5Round 1TEXAN ACES85♣x♥A-1+0
+0.5Round 7GDAKRA64♥♦K=+0
+0.4Round 3MISFIT102NT♦K=+1
+0.3Round 5PKB POZNAN23NT♠K=+0
+0.3Round 9KALISH64♠x♠3-2-10
+0.2Round 1TEXAN ACES34♠♣7=+0
+0.2Round 3MISFIT114♥♣K+1+0
+0.2Round 10VALLON224♠♠6+1+0
+0.1Round 3MISFIT63♦♥8=+7
+0.1Round 10VALLON251NT♦Q+2+1
-0.0Round 3MISFIT54♥♦2+1+0
+0.0Round 3MISFIT73NT♣J+1+0
-0.0Round 5PKB POZNAN114♠♥3=+0
-0.0Round 10VALLON182♠♥8=+0
-0.0Round 12BAZA BOGIER153♠♦K-1-1
-0.1Round 1TEXAN ACES135♠x♥A+2-14
-0.1Round 7GDAKRA93NT♣2+3+13
-0.1Round 7GDAKRA136♥♥6+1+13
-0.2Round 6ZIMMERMANN223♥♦6=+0
-0.2Round 7GDAKRA84♥♣9=+0
-0.3Round 1TEXAN ACES104♥♣9+1+0
-0.3Round 6ZIMMERMANN185♣♥A-1-5
-0.3Round 6ZIMMERMANN254♠♠5+1+0
-0.4Round 4MILNER202NT♠4-1-1
-0.6Round 11SIMSON32♥♥3+3-3
-0.7Round 1TEXAN ACES125♣x♦K-3-4
-0.7Round 4MILNER223♥♦Q+1+6
-0.7Round 8MOSSOP253NT♥2+2+0
-0.8Round 2PKB THERM204♠♦K+2+1
-0.8Round 11SIMSON73NT♠Q+2+0
-0.8Round 12BAZA BOGIER233NT♠2+1-13
-0.9Round 8MOSSOP212♠♣T+1+0
-0.9Round 11SIMSON52♠♦7-1+1
-1.0Round 2PKB THERM163♥♦K-2-7
-1.0Round 6ZIMMERMANN245♦x♣A-2+0
-1.0Round 8MOSSOP194♥x♣A-2+8
-1.0Round 9KALISH33♦♠A-1+2
-1.1Round 4MILNER282♠♣6=+0
-1.2Round 9KALISH12♠♣7=+0
-1.3Round 11SIMSON22♠♣K=+0
-1.4Round 5PKB POZNAN101NT♣A+2-10
-1.5Round 1TEXAN ACES143NT♠2+1+1
-1.5Round 4MILNER264♠♦A-1-12
-1.6Round 5PKB POZNAN92♠♦7+2+6
-1.6Round 9KALISH114♥♦5=+1
-1.6Round 12BAZA BOGIER224♥♦A=+0
-1.7Round 1TEXAN ACES14♥♠6+1-11
-1.7Round 4MILNER253♦♥2=+0
-1.8Round 4MILNER271NT♥J+4+5
-1.8Round 9KALISH71♠♦8+3-10
-1.8Round 11SIMSON104♠♥A-1-6
-1.9Round 4MILNER212♠♣5+2-1
-1.9Round 6ZIMMERMANN193NT♥3=+1
-2.1Round 4MILNER174♥♦6=+0
-2.1Round 9KALISH123♠♥5-1-6
-2.2Round 8MOSSOP283♠x♥Q-1-11
-2.2Round 12BAZA BOGIER203♠♣9=-10
-2.3Round 4MILNER234♠♠9-1-6
-2.3Round 5PKB POZNAN13♥♦A-1-4
-2.4Round 9KALISH103♥♠8+1-1
-2.4Round 10VALLON244♠♠8+1+0
-2.7Round 11SIMSON112♦♥K+1+0
-2.8Round 5PKB POZNAN74♥♠8=+10
-2.9Round 5PKB POZNAN54♣♥K-2+0
-2.9Round 8MOSSOP272♠♣T-1-4
-3.0Round 7GDAKRA44♠♥6+1-11
-3.0Round 8MOSSOP176NT♣5=+0
-3.2Round 3MISFIT124♥♠7=+0
-3.5Round 7GDAKRA33♣♥K=-6
-3.6Round 12BAZA BOGIER253♦♥2=-5
-4.0Round 10VALLON203♠♣A+1-7
-4.0Round 12BAZA BOGIER212♥♦3-1-5
-4.1Round 9KALISH134♠♣6=+0
-4.3Round 2PKB THERM242♥♦2+2-7
-4.3Round 7GDAKRA13NT♣J-1-10
-4.3Round 10VALLON173NT♥7+3-11
-4.3Round 12BAZA BOGIER184♠♦Q-1-5
-4.4Round 5PKB POZNAN134♠♣T+3+12
-4.9Round 12BAZA BOGIER245♥♦2+1-11
-5.0Round 4MILNER184♠♥4=-3
-5.0Round 5PKB POZNAN65♦x♣Q=-4
-5.2Round 3MISFIT25♦x♠A-1+0
-5.2Round 8MOSSOP203♠♦Q+1-1
-5.7Round 9KALISH144♠♥5=-8
-6.0Round 8MOSSOP184♠♦J=+0
-6.0Round 8MOSSOP243NT♣6=-6
-6.0Round 11SIMSON143♠♣A=-6
-6.4Round 2PKB THERM263NT♥T-3-10
-7.0Round 9KALISH23♦♥K-1-11
-7.5Round 1TEXAN ACES73♥♠A=-8
-7.6Round 4MILNER163NT♠3=-7
-7.9Round 4MILNER154♠♣Q-1-11
-9.0Round 6ZIMMERMANN175♥♦K-1-8
-9.1Round 4MILNER195♣♠7+2-17
-10.7Round 11SIMSON95♦x♠Q-4-7