One player against many boards at once: with or without sight of the boards, with or without a clock.
Newest record: J.Slump, clock simultaneous, 13 June 2026.
Officially recognized by the FMJD.
32 boards T.Sijbrands
Hilversum, Netherlands, 19–21 December 2014
46 points (71.9%), 48 h 38 m of play
| Date | Player | Place | Boards | Points | Score | Time played |
|---|---|---|---|---|---|---|
| 19–21 Dec 2014 | T.Sijbrands | Hilversum, Netherlands | 46 | 71.9% | 48 h 38 m | |
| 7 Jul 2012 | E.Prosman | Delft, Netherlands | 42 | 70% | 28 h 35 m | |
| 26 Sep 2009 | T.Sijbrands | Amsterdam, Netherlands | 43 | 77% | 41 h 38 m | |
| 4 Jul 2008 | E.Prosman | Delft, Netherlands | 38 | 70.4% | 22 h 07 m | |
| 4 Oct 2007 | T.Sijbrands | Tilburg, Netherlands | 46 | 92% | 28 h 23 m | |
| 17 Dec 2004 | T.Sijbrands | Lutten, Netherlands | 44 | 91.7% | 24 h 41 m | |
| 21 Dec 2002 | T.Sijbrands | Lutten, Netherlands | 39 | 88.6% | 19 h 32 m | |
| 6 Nov 1999 | T.Sijbrands | Gouda, Netherlands | 37 | 92.5% | 15 h 00 m | |
| 21 Aug 1993 | T.Sijbrands | Venlo, Netherlands | 32 | 88.9% | 13 h 30 m | |
| 13 Apr 1991 | T.Sijbrands | Middelburg, Netherlands | 28 | 93.3% | 11 h 00 m | |
| 17 Aug 1987 | T.Sijbrands | IJmuiden, Netherlands | 25 | 89.3% | 11 h 05 m | |
| 9 Feb 1986 | T.Sijbrands | Cannes, France | 23 | 95.8% | 7 h 31 m | |
| 18 Dec 1982 | T.Sijbrands | Den Haag, Netherlands | 19 | 95% | 6 h 20 m | |
| 11 Jun 1955 | W.Huisman | Den Haag, Netherlands | 11 | 68.8% | ||
| 8 Jun 1950 | P.Roozenburg | Leiden, Netherlands | 7 | 70% |
251 boards J.Stokkel
Hengelo, Netherlands, 6 November 2010
410 points (81.7%), 17 h 46 m of play, 174 won, 62 drawn, 15 lost
| Date | Player | Place | Boards | Points | Score | Time played |
|---|---|---|---|---|---|---|
| 6 Nov 2010 | J.Stokkel | Hengelo, Netherlands | 410 | 81.7% | 17 h 46 m | |
| 2 Sep 2006 | A.van Berkel | Tilburg, Netherlands | 405 | 81.3% | 19 h 27 m | |
| 16 Jun 1984 | J.van der Wal | Biddinghuizen, Netherlands | 428 | 95.1% | 18 h 17 m | |
| 30 Apr 1983 | H.Wiersma | Valkenburg, Netherlands | 371 | 88.3% | 13 h 20 m | |
| 31 May 1980 | H.Wiersma | Slagharen, Netherlands | 366 | 91.5% | 12 h 01 m | |
| 23 Jul 1975 | H.Wiersma | Hierden, Netherlands | 341 | 91.2% | 10 h 37 m | |
| 10 Jun 1967 | T.Sijbrands | Amersfoort, Netherlands | 273 | 80.8% | 12 h 00 m | |
| 27 Jan 1962 | Baba Sy | Den Haag, Netherlands | 257 | 85.7% | 7 h 50 m |
54 boards J.Slump
Westerhaar, Netherlands, 13 June 2026
| Date | Player | Place | Boards | Points | Score | Time played |
|---|---|---|---|---|---|---|
| 13 Jun 2026 | J.Slump | Westerhaar, Netherlands | ||||
| 12 Oct 2025 | W.Sipma | Hijken, Netherlands | 73 | 70.2% | 6 h 00 m | |
| 16 Sep 2023 | M.van IJzendoorn | Gouda, Netherlands | 88 | 88% | 4 h 24 m | |
| 30 Dec 2015 | A.Georgiev | Almere, Netherlands | 68 | 75.6% | 4 h 35 m | |
| 17 May 2014 | M.Barkel | Vriezenveen, Netherlands | 64 | 74.4% | 4 h 30 m | |
| 17 Nov 2012 | A.Georgiev | Emmeloord, Netherlands | 68 | 81% | 4 h 39 m | |
| 27 Aug 2011 | M.Barkel | Vriezenveen, Netherlands | 57 | 71.3% | ||
| 4 Aug 2011 | J.van den Akker | Brunssum, Netherlands | 56 | 75.7% | ||
| 3 Apr 2010 | B. Provoost | Hengelo, Netherlands | 49 | 72.1% | ||
| 28 Dec 2008 | J.M.Ndjofang | Emmeloord, Netherlands | 58 | 87.9% | ||
| 10 Oct 2008 | A. van Berkel | Tilburg, Netherlands | 45 | 70.3% | ||
| 13 Jul 2008 | J.van den Akker | Den Haag, Netherlands | 45 | 75% | ||
| 21 Sep 2007 | A.Shvarzman | Emmeloord, Netherlands | 43 | 86% |
Performances acknowledged by the FMJD outside the official record categories.
23 boards Michele Borghetti
Varazze, Italy, 18 August 2003
40 points (87%), 17 won, 6 drawn, 0 lost
102 boards T.Tansykkuzhina
Ufa, Russia, 4 October 2009
86 points (84%), 4 h 30 m of play
59 hours H.Stoop
Culemborg, Netherlands, 25–27 August 2011
| Date | Player | Place | Duration |
|---|---|---|---|
| 25–27 Aug 2011 | H.Stoop | Culemborg, Netherlands | |
| 16–18 Aug 1985 | F.Elzinga, L.v.d.Mey, T.Zoon, N.Leemberg | Netherlands |
Historical performances listed for reference.
28 hours H.Wiersma
Amsterdam, 15–16 April 1983
428 boards, 796 points (93%)
| Date | Player | Place | Duration | Boards | Points | Score |
|---|---|---|---|---|---|---|
| 15–16 Apr 1983 | H.Wiersma | Amsterdam | 428 | 796 | 93% | |
| 5–6 Nov 1976 | H.Wiersma | Den Haag, Netherlands | 470 | 898 | 95% |
85 boards J. van der Wal
Stadskanaal, Netherlands, 23 June 1996
157 points (92.4%), 8 h 00 m of play, 76 won, 5 drawn, 4 lost
28 boards W.Gardner
Sheffield, England, September 1905
32 points (57.1%), 10 won, 12 drawn, 6 lost