DEBERNY Krzysztof · 4KL 2BKB

106rank
-47.7Butler · 89 bds
-0.54per board
±4.8swing
-0.22vs par /bd · #80/132
-0.85adjusted /bd
Butler per round: -13.5 -17.9 -18.8 -17.7 54 1.5 -23.1 1.9 -14.1by round

vs par split: bidding -0.58 · play +0.36

Strength of schedule: opponents averaged -0.31/bd (an easy draw) → opponent-adjusted -0.85/bd

Card play — on target: opening leads 63.6% #123 of 132 · declarer play 68.0% #77 of 132 · defence 85.4% #50 of 132

Bidding activity — not a pass: 42.5% #77 of 132 (107/252)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (9)61.5% (13)
Declarer play71.4% (7)66.7% (18)
Defence71.4% (14)91.2% (34)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 60.0% (5) · ♦ 71.4% (7) · ♣ 50.0% (6)

vs par by strain: NT -1.26 (27) · a suit +0.23 (62)

vs par by level: part-score +0.69 (39) · game -1.63 (41) · slam +2.22 (9)

By role: declaring -1.02/bd (-2.42 vs par · 41) · defending -0.12/bd (+1.65 vs par · 48)

By vulnerability: vulnerable -0.82/bd (-0.96 vs par · 47) · not vulnerable -0.21/bd (+0.59 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.SaienkoZ.Yuan – X.TangOpen9-13.5-1.50-1.22
Round 2Y.SaienkoM.Janik – M.ChmielewskiOpen10-17.9-1.79-2.50
Round 3Y.SaienkoN.Mroczkowski – S.WiszniewskiOpen10-18.8-1.88-3.30
Round 4Y.SaienkoM.Guendel – K.SchwalbachOpen10-17.7-1.77-4.40
Round 6Y.SaienkoK.Jankowiak – H.JaworskaOpen10+54.0+5.40+9.10
Round 7Y.SaienkoP.Typaldos – A.BeligianniOpen10+1.5+0.15+0.40
Round 8Y.SaienkoN.Zwiercan – J.WodzynskaOpen10-23.1-2.31-3.10
Round 9Y.SaienkoC.Fragola Jarjaille – S.GallardOpen10+1.9+0.19+2.10
Round 10Y.SaienkoJ.Luczeczko – C.MorawskiOpen10-14.1-1.41+0.80

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
+11.3Round 6KL2 KBSM2146♠♠8+1+11
+9.1Round 6KL2 KBSM2164♠x♣6-1+13
+8.7Round 9FRANCE 2166NT♦J-1+17
+8.2Round 6KL2 KBSM2173♠♠3-2+11
+8.0Round 9FRANCE 2184♠♣A=+3
+7.4Round 1RDFZ G253NT♣6-1+12
+6.7Round 10POLAND 2234♦♠5-1+6
+6.2Round 6KL2 KBSM2133♥♥T-2+7
+6.0Round 10POLAND 2306♠♦7-1+11
+5.1Round 6KL2 KBSM2116♦♣8-1+10
+4.9Round 7PANATHINAIKOS303NT♥A-2+6
+4.7Round 9FRANCE 2133NT♥8-1+12
+4.6Round 6KL2 KBSM2205♥x♠A-2+14
+4.5Round 4WILDER BRIDGER CREW236♠♥9+1-13
+4.0Round 6KL2 KBSM2182♠♣K-1+5
+3.8Round 2VERCO CKIS SKAWINA63♥♦5=+7
+3.7Round 6KL2 KBSM2193♥♠5-3+10
+3.3Round 1RDFZ G285♥x♠A-3+0
+3.0Round 7PANATHINAIKOS224♥♦A-2+5
+2.9Round 4WILDER BRIDGER CREW254♦♠3-2+6
+2.9Round 9FRANCE 2174♣♦3-2+8
+2.7Round 4WILDER BRIDGER CREW243♣♦2+2-6
+2.7Round 8AKADEMIA PRIMUS64♥♠5-1+10
+2.6Round 7PANATHINAIKOS271NT♥7-3+7
+2.3Round 8AKADEMIA PRIMUS43NT♠6+1-12
+2.0Round 2VERCO CKIS SKAWINA91NT♣7-1-2
+1.9Round 7PANATHINAIKOS291NT♥8=+0
+1.8Round 6KL2 KBSM2152NT♦6+1+6
+1.7Round 3PTC DOLINA NARWI193NT♠6+2-11
+1.7Round 10POLAND 2223♦♦8+2+6
+1.6Round 9FRANCE 2151NT♦6+1+0
+1.4Round 2VERCO CKIS SKAWINA14♠♥A+2+2
+1.2Round 2VERCO CKIS SKAWINA71NT♥2+1+0
+1.2Round 4WILDER BRIDGER CREW283♦♥4+1+0
+1.1Round 7PANATHINAIKOS243♠♣A+1-2
+0.5Round 3PTC DOLINA NARWI144♥♠T+2-8
+0.4Round 2VERCO CKIS SKAWINA51♥♥J-1+3
+0.2Round 3PTC DOLINA NARWI154♠♥K+1+0
+0.2Round 3PTC DOLINA NARWI164♠♦A=+0
+0.1Round 8AKADEMIA PRIMUS23NT♦J+1+0
+0.0Round 6KL2 KBSM2123NT♦2-1+4
-0.2Round 2VERCO CKIS SKAWINA33♠♣Q+2-9
-0.2Round 7PANATHINAIKOS262♠♥K+1+0
-0.3Round 1RDFZ G222♥♠A-1+2
-0.4Round 7PANATHINAIKOS283♠♦A+1+1
-0.5Round 8AKADEMIA PRIMUS11NT♣K+2+0
-0.8Round 3PTC DOLINA NARWI184♠♦K+1+11
-0.9Round 3PTC DOLINA NARWI125♣♣T=+2
-1.0Round 7PANATHINAIKOS213♦♦7=+0
-1.0Round 7PANATHINAIKOS251NT♠3+1+0
-1.4Round 1RDFZ G272♠♦Q-2+1
-1.4Round 3PTC DOLINA NARWI111NT♦J=-5
-1.6Round 1RDFZ G214♠♥4+1-1
-1.6Round 1RDFZ G263♠♠4+1-10
-1.7Round 10POLAND 2285♦♥6-2+0
-1.9Round 2VERCO CKIS SKAWINA85♦♥K=+1
-2.2Round 4WILDER BRIDGER CREW294♥♣K+1+0
-2.3Round 10POLAND 2252♣♦8+2+8
-2.5Round 8AKADEMIA PRIMUS91♠♥Q=-5
-2.6Round 8AKADEMIA PRIMUS83♠♥A-5+4
-2.9Round 8AKADEMIA PRIMUS33♥♣K+1-1
-2.9Round 10POLAND 2261♦x♦7-1-2
-2.9Round 10POLAND 2275♣x♠K-3-1
-3.0Round 4WILDER BRIDGER CREW266♠♥7=+0
-3.0Round 8AKADEMIA PRIMUS104♠♣8=+0
-3.0Round 9FRANCE 2194♠♦K=-3
-3.4Round 2VERCO CKIS SKAWINA24♦♥K-1+2
-3.5Round 4WILDER BRIDGER CREW274♠♥5-1-5
-3.8Round 9FRANCE 2203NT♥T=-10
-4.1Round 1RDFZ G233NT♠T-1+1
-4.2Round 8AKADEMIA PRIMUS73♦♣Q+2-11
-4.3Round 10POLAND 2243NT♥A-2-6
-4.7Round 9FRANCE 2146♠♣3+1+11
-5.0Round 4WILDER BRIDGER CREW223NT♣7=-5
-5.6Round 3PTC DOLINA NARWI134♠x♣6=-12
-5.8Round 3PTC DOLINA NARWI204♠♥K+1+0
-5.8Round 10POLAND 2213NT♠4+1-1
-6.0Round 9FRANCE 2113NT♦J-3-12
-6.5Round 1RDFZ G292NT♠5-3-5
-6.5Round 9FRANCE 2121NT♠A-3-5
-6.9Round 3PTC DOLINA NARWI173♠♦Q=-10
-6.9Round 4WILDER BRIDGER CREW215♣♥K-1-10
-8.1Round 2VERCO CKIS SKAWINA44♥♣T-2-15
-8.4Round 4WILDER BRIDGER CREW305NT♦2-1-11
-8.6Round 10POLAND 2296♠♦6-2-13
-8.7Round 1RDFZ G244♥♦8-2-11
-9.4Round 7PANATHINAIKOS235♥♣4=-13
-12.5Round 8AKADEMIA PRIMUS54♠♥A=-16
-13.1Round 2VERCO CKIS SKAWINA106NT♠7-3-14