EVENT>Monday Evening Pairs     |SESSION>Monday Eve   |SECTION> A
------------------------,------ ------------,-------- --------------------------
DATE>May 8, 2023        |SANCTION>ST2305503 | 05/08/2023 22:01|EVENT CODE>03OP
---------------------,-- ------------------- -------------,---------------------
DIR> Mark Lavine     |RATING>STAC, CLUB>258913            |MOVEMENT>ONE WINNER
------------,-------- ,-------------------------,--------- ---------------------
AVE>   48.0 |TOP>   4 |MP LIMITS>None/1500/500  |CLUB>Rockville Bridge Club
------------ --------- ------------------------- -------------------------------
PAIRS IN STRAT A=11/B=6/C=2                      ,---,-------------------------,------,---------,
-------------------------------------------------|   |           Section       |      |Section  |
No Name                   Name                   |Flt|Rnk-A|Rnk-B|Rnk-C| Score | Pct  |Awards   |
------------------------------------------------- --- ----- ----- ----- ------- ------ ---------
 1 Raphael Hallerman      Ronald Zucker            B    3     2     .     55.43  57.74  0.99(A)

 3 Robert O Connor        Mike Morstein            B    .     .     .     44.00  45.83
 4 Rona Zukerberg         Hal Schaal               C    .     .     .     47.00  48.96
 5 Alexander Stille       Izim Tuncer              B    1     1     .     60.57  63.09  1.97(A)
 6 Michelle Zygielbaum    Stuart Gordon            B    .     .     .     46.50  48.44
 7 Mark Lavine            Lee Payton               A    2     .     .     59.43  61.91  1.38(A)
 8 Annapurna Satpathy     Ernie Schuler            A    .     .     .     48.00  50.00
 9 Phillip Shapiro        David Handwerker         C    .     .     .     40.57  42.26
10 Neal Rosenthal         Ellen Rosenthal          A    4     .     .     48.57  50.59  0.69(A)
11 Rochelle Cohen         Mark Cohen               A    .     .     .     37.71  39.28
12 Richard Levin          Gail Singer              A    .     .     .     40.57  42.26

                                          Totals                         528.35

Monday Evening Pairs

Board 1
North Deals
None Vul
J 3
10 7 6
10 8 6 5 4 3 2
7
A Q 8 5
A Q 5
K
K 10 9 8 2
N
WE
S
K 9 4
K J 8 3
J 9 7
A 6 5
1
18    12
9
10 7 6 2
9 4 2
A Q
Q J 4 3

E 6; EW 5N; EW 5; W 5; EW 5; EW 1;
Par −980: E 6=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
4 E41304.000.003-O Connor-Morstein8-Satpathy-Schuler
3 NTE34003.001.006-Zygielbaum-Gordon5-Stille-Tuncer
4 NTE44302.002.0010-Rosenthal-Rosenthal4-Zukerberg-Schaal
6 E69201.003.0012-Levin-Singer1-Hallerman-Zucker
6 NTE710200.004.007-Lavine-Payton11-Cohen-Cohen

Monday Evening Pairs

Board 2
East Deals
N-S Vul
A 7 3
A 10
2
A K Q 10 6 5 2
Q 10 5
Q J 5 4 3
10 5 4
9 8
N
WE
S
K J 8 6 4 2
2
J 9 8 6
J 4
17
5    6
12
9
K 9 8 7 6
A K Q 7 3
7 3

NS 7N; NS 7; NS 6; NS 5; NS 1;
Par +2220: NS 7N=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
6 NTN714703.500.506-Zygielbaum-Gordon5-Stille-Tuncer
6 NTN714703.500.5010-Rosenthal-Rosenthal4-Zukerberg-Schaal
3 NTN77201.502.507-Lavine-Payton11-Cohen-Cohen
3 NTN77201.502.5012-Levin-Singer1-Hallerman-Zucker
5 N76400.004.003-O Connor-Morstein8-Satpathy-Schuler

Monday Evening Pairs

Board 3
South Deals
E-W Vul
K J 8 6
6
Q J 9 6
10 6 5 3
A Q 9 4 3
10 8 5 4
K 8
A J
N
WE
S
10 7 2
A J
A 10 7 4 3
7 4 2
7
14    9
10
5
K Q 9 7 3 2
5 2
K Q 9 8

W 3; E 2; W 2; E 1; E 1; NS 1;
Par −140: W 2+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
4 W−22004.000.003-O Connor-Morstein8-Satpathy-Schuler
3 W−11003.001.007-Lavine-Payton11-Cohen-Cohen
3 S−1501.502.5010-Rosenthal-Rosenthal4-Zukerberg-Schaal
3 S−1501.502.5012-Levin-Singer1-Hallerman-Zucker
2 W21100.004.006-Zygielbaum-Gordon5-Stille-Tuncer

Monday Evening Pairs

Board 4
West Deals
Both Vul
8
10 8 7
K 10 9 7 6 3
A J 6
K Q 10 7 6 4
K 6 4
7 5 3 2
N
WE
S
5 3 2
A J 5
A Q 8
10 9 8 4
8
8    11
13
A J 9
Q 9 3 2
J 5 4 2
K Q

E 3N; EW 3; W 2N; NS 3; EW 2; NS 1;
Par −200: NS 4×−1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 E−11003.500.504-Zukerberg-Schaal1-Hallerman-Zucker
3 W−11003.500.507-Lavine-Payton6-Zygielbaum-Gordon
2 E21102.002.0011-Cohen-Cohen8-Satpathy-Schuler
2 W31401.003.009-Shapiro-Handwerker3-O Connor-Morstein
3 NTS−44000.004.0010-Rosenthal-Rosenthal5-Stille-Tuncer

Monday Evening Pairs

Board 5
North Deals
N-S Vul
Q J 8 5 2
A
K Q 7 4
10 7 2
7
J 10 6 3
A J 9 6 3 2
Q 6
N
WE
S
K 10 4
Q 7 5 4
10
A K J 9 5
12
8    13
7
A 9 6 3
K 9 8 2
8 5
8 4 3

EW 3; EW 3; EW 1N; NS 1; EW 1;
Par −140: EW 2+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 NTE−31504.000.009-Shapiro-Handwerker3-O Connor-Morstein
3 N31403.001.0011-Cohen-Cohen8-Satpathy-Schuler
2 N21102.002.0010-Rosenthal-Rosenthal5-Stille-Tuncer
3 N−11001.003.007-Lavine-Payton6-Zygielbaum-Gordon
4 ×E45900.004.004-Zukerberg-Schaal1-Hallerman-Zucker

Monday Evening Pairs

Board 6
East Deals
E-W Vul
K Q 9 5 4 3
A
J 5
K J 10 8
K J 8 6 3
K 8 7 3 2
Q 7 5
N
WE
S
A J 8 7 6 2
5 4
10 4
9 6 2
14
9    5
12
10
Q 10 9 7 2
A Q 9 6
A 4 3

NS 3N; NS 3; S 3; NS 4; N 2; NS 3;
Par +400: NS 3N=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
2 ×E−38004.000.007-Lavine-Payton6-Zygielbaum-Gordon
3 N31103.001.0010-Rosenthal-Rosenthal5-Stille-Tuncer
2 N−1501.003.004-Zukerberg-Schaal1-Hallerman-Zucker
3 N−1501.003.009-Shapiro-Handwerker3-O Connor-Morstein
4 N−1501.003.0011-Cohen-Cohen8-Satpathy-Schuler

Monday Evening Pairs

Board 7
South Deals
Both Vul
Q 2
K 8 5
A 8 4
A J 9 6 4
A 3
9 7 4 3 2
J 10 7 6
Q 2
N
WE
S
K 10 9 5 4
A 10
Q 5 3 2
8 3
14
7    9
10
J 8 7 6
Q J 6
K 9
K 10 7 5

NS 4; NS 2N; NS 1; NS 1; EW 1;
Par +130: NS 2+2

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
2 N51504.000.0010-Rosenthal-Rosenthal6-Zygielbaum-Gordon
2 N41302.501.508-Satpathy-Schuler7-Lavine-Payton
2 N41302.501.509-Shapiro-Handwerker4-Zukerberg-Schaal
1 NTS1901.003.0011-Cohen-Cohen1-Hallerman-Zucker
3 NTS−22000.004.0012-Levin-Singer3-O Connor-Morstein

Monday Evening Pairs

Board 8
West Deals
None Vul
7
Q J 8 5 3 2
Q 10 6
Q 10 2
A J 8 6 5
K 7
K 4
J 5 4 3
N
WE
S
K 3
9 6
J 9 8 7 5 3 2
8 7
7
12    4
17
Q 10 9 4 2
A 10 4
A
A K 9 6

NS 5; NS 2N; NS 2; NS 3; EW 1;
Par +450: NS 4+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
4 S54504.000.0010-Rosenthal-Rosenthal6-Zygielbaum-Gordon
4 N44202.501.509-Shapiro-Handwerker4-Zukerberg-Schaal
4 N44202.501.5012-Levin-Singer3-O Connor-Morstein
3 N52000.503.508-Satpathy-Schuler7-Lavine-Payton
3 N52000.503.5011-Cohen-Cohen1-Hallerman-Zucker

Monday Evening Pairs

Board 9
North Deals
E-W Vul
Q 9
J 5 2
A J 10 9
6 4 3 2
J 10 7 4 3
7 6
3
K Q 10 8 7
N
WE
S
8 2
K Q 10 9 4
Q 8 5 2
A J
8
6    12
14
A K 6 5
A 8 3
K 7 6 4
9 5

NS 2N; NS 2; EW 1; EW 1;
Par +120: NS 1N+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
2 NTW−44004.000.0012-Levin-Singer3-O Connor-Morstein
1 NTE−11003.001.0011-Cohen-Cohen1-Hallerman-Zucker
2 N2902.002.0010-Rosenthal-Rosenthal6-Zygielbaum-Gordon
2 S−1501.003.008-Satpathy-Schuler7-Lavine-Payton
2 E31400.004.009-Shapiro-Handwerker4-Zukerberg-Schaal

Monday Evening Pairs

Board 10
East Deals
Both Vul
7 6 2
K 10 7 6 4
A 6 4
J 8
A Q 9 8 4 3
J 9 5 3
10 5 2
N
WE
S
J
A 2
8 7 3
A K 9 7 5 4 3
8
7    12
13
K 10 5
Q 8
K Q J 9
Q 10 6 2

EW 2; NS 1N; EW 2;
Par −110: EW 2=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 NTE−33004.000.006-Zygielbaum-Gordon3-O Connor-Morstein
3 E−22002.002.001-Hallerman-Zucker8-Satpathy-Schuler
3 E−22002.002.005-Stille-Tuncer9-Shapiro-Handwerker
4 E−22002.002.0012-Levin-Singer4-Zukerberg-Schaal
2 W−11000.004.0010-Rosenthal-Rosenthal7-Lavine-Payton

Monday Evening Pairs

Board 11
South Deals
None Vul
Q J 9 8 6
Q 7 5
K J 10 2
K
A 10 7 2
J 6
8
A J 7 6 5 4
N
WE
S
K 5 3
A K 10 9
A 9 5
10 8 3
12
10    14
4
4
8 4 3 2
Q 7 6 4 3
Q 9 2

EW 6; EW 6; EW 3; EW 2N; EW 1;
Par −980: EW 6=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 NTE−1503.500.505-Stille-Tuncer9-Shapiro-Handwerker
2 E−1503.500.5012-Levin-Singer4-Zukerberg-Schaal
3 W61701.502.501-Hallerman-Zucker8-Satpathy-Schuler
4 W61701.502.506-Zygielbaum-Gordon3-O Connor-Morstein
3 ×N−23000.004.0010-Rosenthal-Rosenthal7-Lavine-Payton

Monday Evening Pairs

Board 12
West Deals
N-S Vul
9 4
K 10 5 3
Q J 5
A 10 9 4
A K J 8 7
6
A 9 7 3 2
Q 7
N
WE
S
Q 10 2
A Q 8 2
K 6
J 8 3 2
10
14    12
4
6 5 3
J 9 7 4
10 8 4
K 6 5

EW 5; EW 4N; EW 4; EW 2; EW 3;
Par −450: EW 4+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 NTE34004.000.006-Zygielbaum-Gordon3-O Connor-Morstein
4 W44203.001.0012-Levin-Singer4-Zukerberg-Schaal
4 W54501.003.001-Hallerman-Zucker8-Satpathy-Schuler
4 E54501.003.005-Stille-Tuncer9-Shapiro-Handwerker
4 W54501.003.0010-Rosenthal-Rosenthal7-Lavine-Payton

Monday Evening Pairs

Board 13
North Deals
Both Vul
6 3 2
K 10 7 5
K 7
A K 7 6
J 9 7 4
A Q J 6 3
Q 9 5 2
N
WE
S
K Q 8
9 8 4 2
Q 8 4 2
J 10
13
10    8
9
A 10 5
A J 10 9 6 5 3
8 4 3

EW 2; NS 3; NS 1N; EW 1; NS 1;
Par +110: NS 3=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 NTN46303.500.506-Zygielbaum-Gordon9-Shapiro-Handwerker
3 NTN46303.500.508-Satpathy-Schuler10-Rosenthal-Rosenthal
4 E−22002.002.0012-Levin-Singer5-Stille-Tuncer
4 S41301.003.0011-Cohen-Cohen3-O Connor-Morstein
3 S31100.004.007-Lavine-Payton4-Zukerberg-Schaal

Monday Evening Pairs

Board 14
East Deals
None Vul
Q J 8 3
3 2
J 10 8 7 2
A 5
K 10 5
K
6 5
K Q J 10 9 8 7
N
WE
S
A 7 6 4 2
6 5
K 9 4 3
4 3
8
12    7
13
9
A Q J 10 9 8 7 4
A Q
6 2

NS 5N; NS 5; NS 2; EW 2; EW 1;
Par +460: NS 4N+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
4 S54503.500.507-Lavine-Payton4-Zukerberg-Schaal
5 S54503.500.508-Satpathy-Schuler10-Rosenthal-Rosenthal
4 S−1501.502.506-Zygielbaum-Gordon9-Shapiro-Handwerker
4 S−1501.502.5011-Cohen-Cohen3-O Connor-Morstein
5 S−21000.004.0012-Levin-Singer5-Stille-Tuncer

Monday Evening Pairs

Board 15
South Deals
N-S Vul
10 9 7
10 7 6
A Q 7
10 8 5 3
K Q 4 2
A J 5 3
5 3 2
A J
N
WE
S
J 6 5 3
Q 4
J 10 9 6 4
K 4
6
15    7
12
A 8
K 9 8 2
K 8
Q 9 7 6 2

EW 3; EW 3; EW 1N; NS 2; EW 1;
Par −140: EW 2+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 E−1504.000.0011-Cohen-Cohen3-O Connor-Morstein
1 NTW1903.001.006-Zygielbaum-Gordon9-Shapiro-Handwerker
3 W31402.002.008-Satpathy-Schuler10-Rosenthal-Rosenthal
2 N−22001.003.007-Lavine-Payton4-Zukerberg-Schaal
4 E44200.004.0012-Levin-Singer5-Stille-Tuncer

Monday Evening Pairs

Board 16
West Deals
E-W Vul
10 7 2
10 9
A Q 10 4
Q 7 5 2
Q J 9 8
A K 4 3
K
K 9 6 4
N
WE
S
A K 5
J 6 5 2
9 7 3 2
J 3
8
16    9
7
6 4 3
Q 8 7
J 8 6 5
A 10 8

EW 4; EW 2; EW 1N; NS 1; EW 1;
Par −620: EW 4=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
4 E−11004.000.0012-Levin-Singer6-Zygielbaum-Gordon
2 E31403.001.004-Zukerberg-Schaal11-Cohen-Cohen
2 E41702.002.009-Shapiro-Handwerker7-Lavine-Payton
4 W46200.503.501-Hallerman-Zucker10-Rosenthal-Rosenthal
4 W46200.503.508-Satpathy-Schuler5-Stille-Tuncer

Monday Evening Pairs

Board 17
North Deals
None Vul
A K 10 7 5
Q 7 2
K 9 7
7 2
J 9 2
K 4
J 4 3
A K J 6 4
N
WE
S
8 4
J 10 9 8 5
A Q 10
Q 10 9
12
13    9
6
Q 6 3
A 6 3
8 6 5 2
8 5 3

EW 3; EW 4; EW 1N; EW 2; NS 1;
Par −140: EW 3=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 N−1503.500.504-Zukerberg-Schaal11-Cohen-Cohen
2 N−1503.500.509-Shapiro-Handwerker7-Lavine-Payton
3 S−21001.502.508-Satpathy-Schuler5-Stille-Tuncer
3 N−21001.502.5012-Levin-Singer6-Zygielbaum-Gordon
3 W31100.004.001-Hallerman-Zucker10-Rosenthal-Rosenthal

Monday Evening Pairs

Board 18
East Deals
N-S Vul
10 6 4
K 10 6 5 2
K Q 9 8 3
A K Q 7 6
J 9 7
J 7 4
J 5
N
WE
S
10 8 5 3 2
Q 3 2
Q 8
10 7 2
8
12    4
16
J 9 4
A K 8 5
A 9 3
A 6 4

NS 6; NS 6; NS 5; NS 2N; EW 1;
Par +1100: EW 6×−5

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
5 S66204.000.001-Hallerman-Zucker10-Rosenthal-Rosenthal
4 ×W−35003.001.004-Zukerberg-Schaal11-Cohen-Cohen
2 S52002.002.0012-Levin-Singer6-Zygielbaum-Gordon
1 NTS41801.003.008-Satpathy-Schuler5-Stille-Tuncer
3 NTS−11000.004.009-Shapiro-Handwerker7-Lavine-Payton

Monday Evening Pairs

Board 19
South Deals
E-W Vul
7 6
A 7 6 5 2
9 8 5
Q 10 2
Q J
Q 4 3
K Q 10 7 6
9 7 3
N
WE
S
10 8 5 4
K J 9 8
J 2
K 5 4
6
10    8
16
A K 9 3 2
10
A 4 3
A J 8 6

NS 3; NS 2N; NS 2; NS 3; NS 1;
Par +140: NS 1+2

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
2 W−44003.500.501-Hallerman-Zucker6-Zygielbaum-Gordon
3 NTN34003.500.505-Stille-Tuncer11-Cohen-Cohen
3 W−33002.002.004-Zukerberg-Schaal3-O Connor-Morstein
2 S31401.003.0012-Levin-Singer7-Lavine-Payton
2 NTN21200.004.009-Shapiro-Handwerker8-Satpathy-Schuler

Monday Evening Pairs

Board 20
West Deals
Both Vul
A 9
K Q 4 2
J 8 6
J 9 5 4
K 7
10 7
10 9 7 4
A Q 8 6 2
N
WE
S
Q J 10 6 4 3 2
A J 8 6
K
K
11
9    14
6
8 5
9 5 3
A Q 5 3 2
10 7 3

EW 4; EW 2N; EW 1; N 1; EW 1;
Par −620: EW 4=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
2 E41703.500.505-Stille-Tuncer11-Cohen-Cohen
2 E41703.500.509-Shapiro-Handwerker8-Satpathy-Schuler
2 E52002.002.004-Zukerberg-Schaal3-O Connor-Morstein
2 E62301.003.001-Hallerman-Zucker6-Zygielbaum-Gordon
4 E66800.004.0012-Levin-Singer7-Lavine-Payton

Monday Evening Pairs

Board 21
North Deals
N-S Vul
J 9 6 4
Q J 2
J 5
A Q 10 8
Q 2
A 10 8 7 5 4
A 10
6 4 3
N
WE
S
K 10 7
K 6 3
9 7 6 2
K J 5
11
10    10
9
A 8 5 3
9
K Q 8 4 3
9 7 2

EW 3; W 2N; E 1N; NS 1; NS 1; W 1;
Par −140: EW 2+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
3 W−1504.000.001-Hallerman-Zucker6-Zygielbaum-Gordon
PassPass2.002.005-Stille-Tuncer11-Cohen-Cohen
PassPass2.002.009-Shapiro-Handwerker8-Satpathy-Schuler
PassPass2.002.0012-Levin-Singer7-Lavine-Payton
2 W31400.004.004-Zukerberg-Schaal3-O Connor-Morstein

Monday Evening Pairs

Board 22
East Deals
E-W Vul
9 8 6 4 2
7
6 3
J 10 9 6 4
J 10
Q
A 10 9 8 7 5 4
8 7 5
N
WE
S
7 3
A J 8 6 4
K Q 2
A K 3
1
7    17
15
A K Q 5
K 10 9 5 3 2
J
Q 2

EW 4; EW 2N; NS 2; NS 1; E 1;
Par −130: EW 3+1

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
4 E−44004.000.001-Hallerman-Zucker9-Shapiro-Handwerker
3 NTE−11003.001.006-Zygielbaum-Gordon11-Cohen-Cohen
3 S−21002.002.0012-Levin-Singer8-Satpathy-Schuler
4 W41301.003.003-O Connor-Morstein10-Rosenthal-Rosenthal
5 W56000.004.005-Stille-Tuncer4-Zukerberg-Schaal

Monday Evening Pairs

Board 23
South Deals
Both Vul
K Q 6
9 8 7 4
A J 5 4 3 2
Q 10 8 4
9 8 7 3 2
J 6 3
8
N
WE
S
K J 7 2
A J 5 4
Q 10 5
K 10
10
3    14
13
A 9 6 5 3
10
A K 2
Q 9 7 6

NS 5; NS 2N; NS 3; N 1; W 1;
Par +600: NS 5=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
5 S56004.000.006-Zygielbaum-Gordon11-Cohen-Cohen
3 S51502.002.001-Hallerman-Zucker9-Shapiro-Handwerker
2 N51502.002.003-O Connor-Morstein10-Rosenthal-Rosenthal
3 S51502.002.005-Stille-Tuncer4-Zukerberg-Schaal
5 S−11000.004.0012-Levin-Singer8-Satpathy-Schuler

Monday Evening Pairs

Board 24
West Deals
None Vul
A K J 8 2
A 9 3
Q 5
Q 7 3
9 3
K 4 2
J 9 7 3
K J 10 6
N
WE
S
7 5 4
Q J 10 6
A 4
A 9 5 2
16
8    11
5
Q 10 6
8 7 5
K 10 8 6 2
8 4

EW 2; EW 3; NS 1;
Par −110: EW 3=

ContractScoreMatchpointsPairPair
   N-SE-WN-SE-WN-SE-W
1 N21104.000.005-Stille-Tuncer4-Zukerberg-Schaal
1 NTN1902.002.001-Hallerman-Zucker9-Shapiro-Handwerker
1 NTN1902.002.006-Zygielbaum-Gordon11-Cohen-Cohen
1 NTN1902.002.0012-Levin-Singer8-Satpathy-Schuler
3 N−31500.004.003-O Connor-Morstein10-Rosenthal-Rosenthal