WBIF International

All Matches

Name

Derek Matheson
Nickname BG Studio Heroes	derekjmat
Matches (rated)	174 Matches: 90 Won (52%), 82 Lost (48%), 2 Byes
Elo (Rank active/all time)	1581 (407./523.)
-PR	All: 8,12 5: 6,62 10: 6,98 25: 7,62
-PR,	52 Matches (32%): 30 Won, 22 Lost
-PR,	112 Matches (68%): 53 Won, 59 Lost

Tourney placements
Association	Year	Tourney	Class	Rank
WBIF International	2025	51. WBIF Open		1
WBIF International	2025	50. WBIF Open		13
WBIF International	2025	WBIF World Speed Championship 2025		5
WBIF International	2025	35th Heroes Tourney		9

WBIF 30. Win & Skill Tourney --- Deadline: 16.05., 23:59 (Matchpoints: 13)
Round	Date	Pairing			Result	PR
2 #148202009	10.05.26, 16:00	Derek Matheson	-	Masoud Mazaheri
1 #148201023	10.05.26, 11:00	Derek Matheson	-	Marc Antheaume
no Matches - - - PR: no Analyses

WBIF 29. Win & Skill Tourney
Round	Date	Pairing			Result	PR
5 #148105026	12.04.26, 11:36	Derek Matheson	-	Maj Falsig Hansen	0:1	(5,15:8,31)
4 #148104036	08.04.26, 00:00	Derek Matheson	-	Kevin Jessup [A3]	1:0	(kontumaz)
3 #148103029	20.03.26, 14:45	Derek Matheson	-	Martin Ruoff	0:1	(7,06:11,30)
2 #148102017	04.03.26, 17:15	Derek Matheson	-	Frank Grzesik	0:1	(6,50:2,93)
1 #148101014	11.03.26, 15:34	Derek Matheson	-	Peter Molitor	0:1	(8,68:7,84)
5 Matches: 1 Won (20%), 4 Lost (80%) - - - PR: 6,88 (from 5,15 to 8,68), Opponent: 7,51

WBIF World Individual Championship 2026 --- Deadline: 10.05., 23:59 (Matchpoints: 13)
Round	Date	Pairing			Result	PR
6 #148006025	04.05.26, 16:55	Derek Matheson	-	Bernardino Sessa	1:0	(5,93:5,50)
5 #148005186	30.03.26, 15:38	Derek Matheson	-	Carlo Melzi [G2]	1:0	(5,99:5,46)
4 #148004183	29.03.26, 21:30	Derek Matheson	-	Sven Eldar Malvåg	0:1	(7,42:4,69)
3 #148003148	04.04.26, 15:53	Derek Matheson	-	John Scott	1:0	(8,19:14,73)
2 #148002189	02.04.26, 14:40	Derek Matheson	-	Doron Claxton	1:0	(8,02:4,06)
1 #148001026	18.03.26, 21:43	Derek Matheson	-	Rune Halvorsen [M2]	1:0	(5,22:6,79)
6 Matches: 5 Won (83%), 1 Lost (17%) - - - PR: 6,69 (from 5,22 to 8,19), Opponent: 6,79

41st Heroes Tourney
Round	Date	Pairing			Result	PR
2 #146602019	21.03.26, 21:52	Derek Matheson	-	Gitte Dalgaard	0:1	(6,04:5,12)
1 #146601058	27.03.26, 14:56	Derek Matheson	-	Boris Churlinov	0:1	(8,25:16,79)
2 Matches: 0 Won, 2 Lost (100%) - - - PR: 7,06 (from 6,04 to 8,25), Opponent: 10,89

53. WBIF Open --- Deadline: 13.05., 23:59 (Matchpoints: 13)
Round	Date	Pairing			Result	PR
4 #146004066	08.05.26, 21:00	Derek Matheson	-	Khatuna Giorgobiani
3 #146003056	26.04.26, 22:05	Derek Matheson	-	Nestor Avila	0:1	(6,16:6,30)
2 #146002029	12.04.26, 17:27	Derek Matheson	-	Valentin Petkov	0:1	(8,06:7,48)
1 #146001057	13.04.26, 16:51	Derek Matheson	-	Nikos Zouvelos	1:0	(6,90:5,88)
3 Matches: 1 Won (33%), 2 Lost (67%) - - - PR: 7,07 (from 6,16 to 8,06), Opponent: 6,63

52. WBIF Open
Round	Date	Pairing			Result	PR
6 #145906028	22.03.26, 14:30	Derek Matheson	-	Frank Grzesik	0:1	(9,08:6,85)
5 #145905011	14.03.26, 17:15	Derek Matheson	-	Joel Kunz [M2]	0:1	(9,98:4,69)
4 #145904016	01.03.26, 14:27	Derek Matheson	-	Ken Gibson [M3]	1:0	(11,39:6,99)
3 #145903054	08.02.26, 11:51	Derek Matheson	-	Ben Brooker	0:1	(11,72:15,12)
2 #145902028	04.02.26, 00:42	Derek Matheson	-	Benjamin Camo [M2]	1:0	(9,62:4,58)
1 #145901007	08.02.26, 21:36	Derek Matheson	-	Aliomar Muritibia	1:0	(9,99:9,14)
6 Matches: 3 Won (50%), 3 Lost (50%) - - - PR: 10,13 (from 9,08 to 11,72), Opponent: 8,05

40th Heroes Tourney
Round	Date	Pairing			Result	PR
2 #146502050	21.01.26, 15:01	Derek Matheson	-	Caner Cetin [G3]	0:1	(8,45:2,76)
1 #146501039	17.01.26, 21:45	Derek Matheson	-	Rory Brennan	0:1	(9,99:12,77)
2 Matches: 0 Won, 2 Lost (100%) - - - PR: 9,31 (from 8,45 to 9,99), Opponent: 7,81

Memorial Tourney Thomas Rönn
Round	Date	Pairing			Result	PR
Last 32 #142954233	22.06.25, 16:09	Derek Matheson	-	Johnny Hirondelle	0:1	(7,14:11,62)
Last 64 #142953209	20.06.25, 18:25	Derek Matheson	-	Jannis Mougios [A3]	1:0	(10,07:10,78)
Last 128 #142952161	15.06.25, 16:14	Derek Matheson	-	Tymon Choroszucha	1:0	(8,06:4,41)
Last 256 #142951065		Derek Matheson	-	Bye
4 Matches: 2 Won (67%), 1 Lost (33%), 1 Bye - - - PR: 8,55 (from 7,14 to 10,07), Opponent: 8,22

WBIF World Individual Championship 2025
Round	Date	Pairing			Result	PR
11 #133611075	23.07.25, 23:59	Derek Matheson	-	Bernhard Kaiser	0:1	(7,13:3,48)
10 #133610135	14.07.25, 00:00	Derek Matheson	-	Nestor Avila	1:0	(kontumaz)
9 #133609140	15.06.25, 12:49	Derek Matheson	-	Anna Price [A2]	1:0	(8,05:10,76)
8 #133608120	27.05.25, 22:00	Derek Matheson	-	Eddie Santana	0:1	(6,66:5,57)
7 #133607054	12.05.25, 21:56	Derek Matheson	-	Volker Sonnabend [G3]	0:1	(7,36:2,73)
6 #133606145	01.05.25, 14:32	Derek Matheson	-	Michael Dyett	1:0
5 #133605133	22.03.25, 12:18	Derek Matheson	-	Hans Marius Eikseth [G3]	1:0	(11,30:3,42)
4 #133604297	26.03.25, 19:32	Derek Matheson	-	David Arabuli	1:0	(7,96:5,03)
3 #133603315	30.03.25, 21:43	Derek Matheson	-	Christian Nybråten	0:1	(10,13:16,82)
2 #133602308	10.03.25, 17:02	Derek Matheson	-	Ralf Sonnleitner	1:0	(12,07:11,06)
1 #133601218	11.03.25, 17:30	Derek Matheson	-	Egor Gorbatenko	0:1	(6,99:6,54)
11 Matches: 6 Won (55%), 5 Lost (45%) - - - PR: 8,52 (from 6,66 to 12,07), Opponent: 7,10

WBIF World Speed Championship 2025
Round	Date	Pairing			Result	PR
19 #133519003	26.12.25, 17:18	Derek Matheson	-	Geir Pedersen [G3]	0:1	(7,06:2,80)
18 #133518006	14.12.25, 11:27	Derek Matheson	-	Cevdet Cebe	1:0	(15,58:10,75)
17 #133517003	26.11.25, 16:16	Derek Matheson	-	Eddie Santana	1:0	(7,19:5,96)
16 #133516010	08.11.25, 14:09	Derek Matheson	-	Sven Wisloff Nilssen	1:0	(10,38:7,45)
15 #133515003	28.10.25, 15:16	Derek Matheson	-	Daniel Bruni	0:1	(8,24:4,63)
14 #133514008	12.10.25, 16:16	Derek Matheson	-	Ralf Zimmermann	1:0	(3,91:5,31)
13 #133513004	30.09.25, 16:51	Derek Matheson	-	Jalil Khalili [M2]	0:1	(9,06:3,72)
12 #133512001	13.09.25, 13:50	Derek Matheson	-	Levan Chilingarishvili [A1]	0:1	(7,24:4,26)
11 #133511001	03.09.25, 19:23	Derek Matheson	-	Torsten Lux [G3]	1:0	(12,89:4,13)
10 #133510005	16.08.25, 19:13	Derek Matheson	-	David Domig	1:0	(10,84:6,41)
9 #133509005	02.08.25, 19:17	Derek Matheson	-	Blake Sorem	1:0	(4,80:3,66)
8 #133508008	15.07.25, 14:16	Derek Matheson	-	Patrik Gullberg	1:0	(6,50:3,11)
7 #133507018	28.06.25, 19:31	Derek Matheson	-	Stelios Ktistakis	1:0	(10,19:5,15)
6 #133506028	12.06.25, 15:54	Derek Matheson	-	Nikos Zouvelos	1:0	(14,40:7,94)
5 #133505130	25.05.25, 15:15	Derek Matheson	-	Claudia Goehnert	1:0	(10,98:6,47)
4 #133504175	08.05.25, 21:27	Derek Matheson	-	Mathias Niemand [A2]	1:0	(5,68:8,97)
3 #133503182	02.05.25, 23:13	Derek Matheson	-	Omeer Sator	0:1
2 #133502067	11.05.25, 22:33	Derek Matheson	-	Ashkan Yahyazadeh [M2]	1:0	(12,35:2,29)
1 #133501182	04.05.25, 16:26	Derek Matheson	-	Pantelis Dermitzakis	1:0	(9,85:8,62)
19 Matches: 14 Won (74%), 5 Lost (26%) - - - PR: 9,50 (from 3,91 to 15,58), Opponent: 5,81

51. WBIF Open
Round	Date	Pairing			Result	PR
14 #34614001	20.04.26, 15:04	Derek Matheson	-	Willi Preskar	1:0	(5,38:5,51)
13 #34613001	10.04.26, 15:10	Derek Matheson	-	Dicky Biddle	1:0	(9,10:5,51)
12 #34612001	29.03.26, 00:18	Derek Matheson	-	Fazli Güclü	1:0	(8,17:8,34)
11 #34611001	20.03.26, 15:41	Derek Matheson	-	Andi Walther	1:0	(5,68:8,69)
10 #34610001	13.03.26, 21:16	Derek Matheson	-	Fuat Hakan Uncuoglu	0:1	(7,60:3,95)
9 #34609001	02.03.26, 16:13	Derek Matheson	-	Ralf Zimmermann	1:0	(12,00:6,84)
8 #34608001	16.02.26, 17:13	Derek Matheson	-	Edgardo Bianco [M1]	1:0	(13,54:4,57)
7 #34607001	06.02.26, 15:53	Derek Matheson	-	Gildas Racape	1:0	(8,97:7,39)
6 #34606002	25.01.26, 22:18	Derek Matheson	-	Ercan Recan [A1]	1:0	(6,33:7,85)
5 #34605003	14.01.26, 21:47	Derek Matheson	-	Hugo Collin	1:0	(9,09:4,97)
4 #34604012	24.12.25, 21:30	Derek Matheson	-	Antonio Anelli [A1]	1:0	(6,85:6,25)
3 #34603030	04.12.25, 15:38	Derek Matheson	-	Daniel Bruni	1:0	(9,46:7,02)
2 #34602077	07.12.25, 10:34	Derek Matheson	-	Georgios Dermitzakis	1:0	(8,86:6,05)
1 #34601071	03.12.25, 15:36	Derek Matheson	-	Sami Kero	1:0	(6,80:7,15)
14 Matches: 13 Won (93%), 1 Lost (7%) - - - PR: 8,31 (from 5,38 to 13,54), Opponent: 6,73

50. WBIF Open
Round	Date	Pairing			Result	PR
10 #34510005	12.01.26, 15:13	Derek Matheson	-	Hitoshi Kawaai [A1]	0:1	(9,85:5,32)
9 #34509005	28.12.25, 23:22	Derek Matheson	-	Peter Wisniewski	1:0
8 #34508015	19.12.25, 15:24	Derek Matheson	-	Fausto Pescini	1:0	(9,72:7,27)
7 #34507013	08.12.25, 17:13	Derek Matheson	-	Fırat Tekil	1:0	(4,62:5,91)
6 #34506037	30.11.25, 23:59	Derek Matheson	-	Avi Cohen [M3]	1:0	(8,39:3,45)
5 #34505050	16.11.25, 12:37	Derek Matheson	-	Jacques Wehli	1:0	(7,84:7,80)
4 #34504041	07.11.25, 21:55	Derek Matheson	-	Anastasios Maniatis	0:1	(7,31:6,09)
3 #34503034	05.10.25, 23:34	Derek Matheson	-	Benjamin Camo [M2]	1:0	(5,75:4,38)
2 #34502059	10.10.25, 17:07	Derek Matheson	-	Emir Begic	1:0	(8,68:13,24)
1 #34501065	08.10.25, 23:26	Derek Matheson	-	Markos Molyvdis	0:1	(8,56:6,32)
10 Matches: 7 Won (70%), 3 Lost (30%) - - - PR: 7,98 (from 4,62 to 9,85), Opponent: 6,59

49. WBIF Open
Round	Date	Pairing			Result	PR
4 #34404060	16.09.25, 15:54	Derek Matheson	-	Torsten van Kempen	0:1	(6,71:11,32)
3 #34403048	03.09.25, 00:00	Derek Matheson	-	Sawyer Nelson	1:0	(kontumaz)
2 #34402045	06.08.25, 19:16	Derek Matheson	-	Rory Brennan	0:1	(9,47:14,48)
1 #34401011	04.08.25, 15:36	Derek Matheson	-	Gianni Pretto [I1]	0:1	(8,32:14,61)
4 Matches: 1 Won (25%), 3 Lost (75%) - - - PR: 8,21 (from 6,71 to 9,47), Opponent: 13,48

48. WBIF Open
Round	Date	Pairing			Result	PR
6 #34306038	20.07.25, 14:05	Derek Matheson	-	Olga Ivanova	0:1	(7,84:5,81)
5 #34305052	05.07.25, 21:39	Derek Matheson	-	Aliomar Muritibia	1:0	(10,84:3,79)
4 #34304068	27.06.25, 17:21	Derek Matheson	-	Neil Webb [A1]	1:0	(9,42:7,71)
3 #34303047	19.06.25, 12:57	Derek Matheson	-	Jacques Wehli	1:0	(12,09:8,29)
2 #34302048	18.06.25, 12:55	Derek Matheson	-	Sally Larsen	0:1	(7,08:12,92)
1 #34301065	19.06.25, 15:37	Derek Matheson	-	Edgardo Bianco [M1]	0:1	(8,89:4,17)
6 Matches: 3 Won (50%), 3 Lost (50%) - - - PR: 9,16 (from 7,08 to 12,09), Opponent: 8,03

47. WBIF Open
Round	Date	Pairing			Result	PR
3 #34203059	14.04.25, 14:17	Derek Matheson	-	Thierry Cabel	0:1	(10,63:12,62)
2 #34202065	13.04.25, 14:10	Derek Matheson	-	Athanasios Adam	0:1	(8,68:4,39)
1 #34201006	22.04.25, 12:09	Derek Matheson	-	Michail Proukakis	0:1	(5,43:4,34)
3 Matches: 0 Won, 3 Lost (100%) - - - PR: 8,49 (from 5,43 to 10,63), Opponent: 7,17

46. WBIF Open
Round	Date	Pairing			Result	PR
3 #34103091	04.02.25, 22:37	Derek Matheson	-	Jason Lee(JLee)	0:1	(10,39:7,75)
2 #34102008	16.02.25, 22:00	Derek Matheson	-	Roy Eikseth	0:1	(4,01:5,21)
1 #34101004	03.02.25, 22:17	Derek Matheson	-	Tasos Anastasiou [M1]	0:1	(9,26:6,19)
3 Matches: 0 Won, 3 Lost (100%) - - - PR: 7,91 (from 4,01 to 10,39), Opponent: 6,42

39th Heroes Tourney
Round	Date	Pairing			Result	PR
2 #34002050	26.11.25, 19:08	Derek Matheson	-	Andi Walther	0:1	(9,32:5,36)
1 #34001035	23.11.25, 17:11	Derek Matheson	-	Notis Theodorou	0:1	(5,59:11,07)
2 Matches: 0 Won, 2 Lost (100%) - - - PR: 6,97 (from 5,59 to 9,32), Opponent: 8,42

38th Heroes Tourney
Round	Date	Pairing			Result	PR
5 #33905009	02.11.25, 17:20	Derek Matheson	-	Marina Milos	0:1	(7,22:7,44)
4 #33904005	24.10.25, 19:47	Derek Matheson	-	Bob Stringer	0:1	(9,39:7,51)
3 #33903015	06.10.25, 19:16	Derek Matheson	-	Peter Wisniewski	1:0	(5,78:3,90)
2 #33902019	26.09.25, 17:24	Derek Matheson	-	John Brown [M3]	1:0	(7,65:6,11)
1 #33901052	19.09.25, 17:44	Derek Matheson	-	Emir Begic	1:0	(9,75:9,80)
5 Matches: 3 Won (60%), 2 Lost (40%) - - - PR: 8,12 (from 5,78 to 9,75), Opponent: 7,27

37th Heroes Tourney
Round	Date	Pairing			Result	PR
5 #33805013	08.09.25, 23:18	Derek Matheson	-	Vlad Eydelman [A2]	0:1	(7,85:7,10)
4 #33804005	22.08.25, 16:50	Derek Matheson	-	Andrew Selby [M2]	0:1	(9,40:7,35)
3 #33803005	10.08.25, 21:36	Derek Matheson	-	Mike Nicholls	1:0	(8,58:12,00)
2 #33802037	01.08.25, 15:49	Derek Matheson	-	Georgios Dermitzakis	1:0	(10,01:5,01)
1 #33801033	30.07.25, 17:52	Derek Matheson	-	Rory Brennan	1:0	(6,71:9,05)
5 Matches: 3 Won (60%), 2 Lost (40%) - - - PR: 8,45 (from 6,71 to 10,01), Opponent: 7,75

36th Heroes Tourney
Round	Date	Pairing			Result	PR
3 #33703030	05.06.25, 11:36	Derek Matheson	-	Juergen Kunkel	0:1	(5,96:7,22)
2 #33702027	19.05.25, 17:42	Derek Matheson	-	Jorge Datola	0:1	(9,80:6,65)
1 #33701010	23.05.25, 21:26	Derek Matheson	-	Francisc Motec	1:0	(9,64:14,12)
3 Matches: 1 Won (33%), 2 Lost (67%) - - - PR: 8,97 (from 5,96 to 9,80), Opponent: 8,17

35th Heroes Tourney
Round	Date	Pairing			Result	PR
7 #33607004	22.05.25, 19:14	Derek Matheson	-	Tasos Anastasiou [M1]	0:1	(9,32:5,28)
6 #33606012	14.05.25, 13:29	Derek Matheson	-	Tomi Huovinen	1:0	(7,85:8,35)
5 #33605017	06.05.25, 00:19	Derek Matheson	-	Peter Molitor	1:0	(9,39:8,24)
4 #33604009	21.04.25, 13:22	Derek Matheson	-	Jenny Cooper	1:0	(5,98:14,70)
3 #33603021	10.04.25, 22:30	Derek Matheson	-	Alexandros Gyrtatos	1:0	(7,13:6,89)
2 #33602012	29.03.25, 22:00	Derek Matheson	-	Antonio Anelli [A1]	0:1	(6,08:5,08)
1 #33601040	25.03.25, 17:26	Derek Matheson	-	H.B. Drake	1:0	(6,20:13,39)
7 Matches: 5 Won (71%), 2 Lost (29%) - - - PR: 7,36 (from 5,98 to 9,39), Opponent: 8,98

34th Heroes Tourney
Round	Date	Pairing			Result	PR
3 #33503052	03.02.25, 14:40	Derek Matheson	-	Ken Gibson [M3]	0:1	(7,63:4,97)
2 #33502065	19.01.25, 15:08	Derek Matheson	-	Johannes Mitterwald [M1]	0:1	(8,40:2,09)
1 #33501021	28.01.25, 00:15	Derek Matheson	-	Geoffroy Menez [M3]	1:0	(6,03:9,02)
3 Matches: 1 Won (33%), 2 Lost (67%) - - - PR: 7,44 (from 6,03 to 8,40), Opponent: 4,96

WBIF 28. Win & Skill Tourney
Round	Date	Pairing			Result	PR
7 #33407013	27.01.26, 21:58	Derek Matheson	-	Ömer Başar	0:1	(8,81:5,22)
6 #33406012	15.01.26, 15:02	Derek Matheson	-	Helmut Puschina	1:0	(8,91:18,14)
5 #33405017	29.12.25, 17:03	Derek Matheson	-	PATRICIA REY	1:0	(7,03:6,98)
4 #33404015	19.12.25, 21:48	Derek Matheson	-	Vladimir Sazonov [M1]	0:1	(8,28:2,92)
3 #33403023	04.12.25, 00:21	Derek Matheson	-	Silvia Weilenmann	1:0	(6,11:13,97)
2 #33402030	23.11.25, 09:22	Derek Matheson	-	Wolfgang Bacher [M1]	0:1	(4,13:3,18)
1 #33401039	23.11.25, 11:30	Derek Matheson	-	Arnor Gauti Helgason	1:0	(kontumaz)
7 Matches: 4 Won (57%), 3 Lost (43%) - - - PR: 7,47 (from 4,13 to 8,91), Opponent: 9,84

WBIF 27. Win & Skill Tourney
Round	Date	Pairing			Result	PR
7 #33307022	01.12.25, 16:18	Derek Matheson	-	Marc Antheaume	0:1	(10,39:6,53)
6 #33306025	16.11.25, 15:14	Derek Matheson	-	Cem Fidan	1:0	(7,18:5,69)
5 #33305016	06.11.25, 17:10	Derek Matheson	-	Anca Morar	0:1	(9,83:9,32)
4 #33304017	26.10.25, 13:19	Derek Matheson	-	Elias Kritikos [G2]	0:1	(8,51:3,22)
3 #33303010	05.10.25, 19:05	Derek Matheson	-	Sune Hansen	1:0	(9,53:9,64)
2 #33302025	25.09.25, 16:29	Derek Matheson	-	Joel Kunz [M2]	0:1	(9,28:4,64)
1 #33301011	25.09.25, 15:14	Derek Matheson	-	Gregory Castro	1:0	(7,25:12,44)
7 Matches: 3 Won (43%), 4 Lost (57%) - - - PR: 8,82 (from 7,18 to 10,39), Opponent: 7,54

WBIF 26. Win & Skill Tourney
Round	Date	Pairing			Result	PR
7 #33207013	06.10.25, 16:46	Derek Matheson	-	Hitoshi Kawaai [A1]	0:1	(6,96:6,47)
6 #33206014	23.09.25, 19:37	Derek Matheson	-	Gokhan Kutlu	1:0	(8,96:7,35)
5 #33205017	10.09.25, 22:44	Derek Matheson	-	Alexandre BenLassin	1:0	(11,01:6,42)
4 #33204008	26.08.25, 21:57	Derek Matheson	-	Thomas Myhr [G1]	0:1	(12,12:3,38)
3 #33203003	13.08.25, 17:58	Derek Matheson	-	Mette Nørgaard Poulsen	0:1	(8,25:10,01)
2 #33202013	30.07.25, 22:05	Derek Matheson	-	Stefan Riehle	1:0	(7,23:13,22)
1 #33201023	27.07.25, 14:36	Derek Matheson	-	Victor Fernandes	1:0	(8,85:8,40)
7 Matches: 4 Won (57%), 3 Lost (43%) - - - PR: 8,87 (from 6,96 to 12,12), Opponent: 8,36

WBIF 25. Win & Skill Tourney
Round	Date	Pairing			Result	PR
4 #33104029	14.06.25, 15:17	Derek Matheson	-	Massimiliano Calusio [M1]	0:1	(9,25:4,61)
3 #33103027	07.06.25, 15:25	Derek Matheson	-	Kari Niblack	0:1	(9,08:19,17)
2 #33102012	26.05.25, 14:22	Derek Matheson	-	Daniel Sørensen	0:1	(9,83:5,14)
1 #33101002	25.05.25, 14:15	Derek Matheson	-	Jiři Vala	0:1	(5,19:4,89)
4 Matches: 0 Won, 4 Lost (100%) - - - PR: 8,58 (from 5,19 to 9,83), Opponent: 9,37

WBIF 24. Win & Skill Tourney
Round	Date	Pairing			Result	PR
7 #33007019	21.05.25, 16:03	Derek Matheson	-	Nick Anifantakis	0:1	(5,25:9,49)
6 #33006021	15.05.25, 12:50	Derek Matheson	-	Hitoshi Kawaai [A1]	1:0	(7,40:5,98)
5 #33005028	03.05.25, 14:08	Derek Matheson	-	Kevin Jessup [A3]	1:0	(13,89:11,37)
4 #33004030	22.04.25, 21:29	Derek Matheson	-	Orkun Sahin	1:0	(9,29:13,14)
3 #33003030	11.04.25, 17:28	Derek Matheson	-	Tommy Tallarico [A3]	0:1	(9,88:8,55)
2 #33002030	21.03.25, 15:45	Derek Matheson	-	Mark Ozanne	0:1	(5,52:4,69)
1 #33001012	23.03.25, 17:02	Derek Matheson	-	Jacques Rall	0:1	(10,97:7,11)
7 Matches: 3 Won (43%), 4 Lost (57%) - - - PR: 8,81 (from 5,25 to 13,89), Opponent: 8,29

WBIF 23. Win & Skill Tourney
Round	Date	Pairing			Result	PR
7 #32907022	16.03.25, 16:34	Derek Matheson	-	Susanne Frosch	1:0	(7,85:17,94)
6 #32906029	09.03.25, 21:57	Derek Matheson	-	Serafeim Tsaknis	1:0	(9,09:24,79)
5 #32905021	25.02.25, 22:20	Derek Matheson	-	Sean Garber [M2]	0:1	(8,56:5,01)
4 #32904011	14.02.25, 22:41	Derek Matheson	-	Caner Cetin [G3]	0:1	(6,20:3,27)
3 #32903005	01.02.25, 16:55	Derek Matheson	-	Elias Kritikos [G2]	0:1	(5,38:4,41)
2 #32902026	22.01.25, 14:00	Derek Matheson	-	Jakob Rasmussen [G1]	1:0	(6,83:1,92)
1 #32901002	20.01.25, 13:02	Derek Matheson	-	Alex Gart	1:0	(8,08:8,14)
7 Matches: 4 Won (57%), 3 Lost (43%) - - - PR: 7,29 (from 5,38 to 9,09), Opponent: 7,90

WBIF 22. Win & Skill Tourney
Round	Date	Pairing			Result	PR
7 #32807019	15.01.25, 00:00	Derek Matheson	-	Per Arne Enge	1:0	(kontumaz)
6 #32806999	25.12.24, 00:00	Derek Matheson	-	Bye
5 #32805014	20.12.24, 16:23	Derek Matheson	-	Bjørnar Pettersen	0:1	(7,59:3,42)
4 #32804019	10.12.24, 00:04	Derek Matheson	-	Sean Garber [M2]	1:0	(7,94:6,33)
3 #32803012	03.12.24, 21:41	Derek Matheson	-	Radu Ciortan [M1]	0:1	(6,21:2,77)
2 #32802007	10.11.24, 23:11	Derek Matheson	-	Yevgen Pryyma	1:0	(10,33:6,80)
1 #32801021	12.11.24, 11:20	Derek Matheson	-	Wolfgang Bacher [M1]	0:1	(13,15:2,57)
7 Matches: 3 Won (50%), 3 Lost (50%), 1 Bye - - - PR: 8,37 (from 6,21 to 13,15), Opponent: 4,83

45. WBIF Open
Round	Date	Pairing			Result	PR
3 #21403027	12.11.24, 15:37	Derek Matheson	-	Juergen Kunkel	0:1	(8,31:6,65)
2 #21402031	17.11.24, 22:34	Derek Matheson	-	Ali Ledin	0:1	(6,86:3,45)
1 #21401022	12.11.24, 16:02	Derek Matheson	-	Bernd Metzger	0:1	(5,08:4,25)
3 Matches: 0 Won, 3 Lost (100%) - - - PR: 7,15 (from 5,08 to 8,31), Opponent: 5,01

33rd Heroes Tourney
Round	Date	Pairing			Result	PR
2 #20802031	24.12.24, 20:39	Derek Matheson	-	Dimitrios Lamprou	0:1	(12,10:15,57)
1 #20801050	27.12.24, 16:05	Derek Matheson	-	Henri Nerg [M3]	0:1	(4,76:7,12)
2 Matches: 0 Won, 2 Lost (100%) - - - PR: 8,36 (from 4,76 to 12,10), Opponent: 11,23

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