Player profile
Kolthoff, Siegmund
Dossier
54 of 55 games analyzed.
Accuracy: 92.3%
Opened d4: 10/22Opened Nf3: 6/22Opened c4: 5/22Opened e4: 1/22
Castled kingside: 38Same-side castling: 36Opposite-side castling: 3Did not castle: 3Castled queenside: 1
Played on the queenside: 17Fianchettoed kingside: 16Played in the center: 13Fianchettoed queenside: 13Played on the kingside: 9
Kept the bishop pair: 27Active pieces: 26Space advantage: 25Backward pawn: 20Initiated exchanges: 19Avoided exchanges: 15Isolated pawn: 14Sacrificed material: 13Missed tactics: 11Accepted short draws: 9
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 22 games 11W 9D 1L
English Opening 6 games 3W 2D 1L
Symmetrical Variation 3 games 2W 0D 1L
Anti-Benoni Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Full Symmetry Line
1 game
0W
0D
1L
Agincourt Defense 1 game 0W 1D 0L
Neo-Catalan Declined
1 game
0W
1D
0L
King's English Variation 1 game 1W 0D 0L
Kramnik-Shirov Counterattack
1 game
1W
0D
0L
Anglo-Grünfeld Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Slav Defense 3 games 2W 1D 0L
Modern Line 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Quiet Variation 1 game 1W 0D 0L
Schallopp Defense
1 game
1W
0D
0L
Zukertort Opening 3 games 2W 0D 0L
Queen's Gambit Invitation 3 games 2W 0D 0L
(unspecified)
3 games
2W
0D
0L
Queen's Pawn Game 2 games 0W 2D 0L
London System 1 game 0W 1D 0L
with e6
1 game
0W
1D
0L
Chigorin Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Bogo-Indian Defense 2 games 1W 1D 0L
Nimzowitsch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Grünfeld Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Catalan Opening 2 games 1W 1D 0L
Open Defense 1 game 0W 1D 0L
Classical Line
1 game
0W
1D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
Main Line
1 game
0W
1D
0L
Philidor Defense 1 game 1W 0D 0L
Lion Variation 1 game 1W 0D 0L
Lion's Claw, with Bc4 and h6
1 game
1W
0D
0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Gambit Declined 1 game 1W 0D 0L
Janowski Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 21 games 7W 11D 3L
Sicilian Defense 5 games 2W 3D 0L
Kan Variation 1 game 0W 1D 0L
Knight Variation
1 game
0W
1D
0L
Closed 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grand Prix Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Staunton-Cochrane Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 4 games 2W 2D 0L
Symmetrical Variation 4 games 2W 2D 0L
Fianchetto Variation
1 game
1W
0D
0L
Botvinnik System Reversed, with Nf3
1 game
0W
1D
0L
Anti-Benoni Variation, Spielmann Defense
1 game
0W
1D
0L
Three Knights Variation
1 game
1W
0D
0L
Catalan Opening 2 games 0W 1D 1L
Open Defense 1 game 0W 0D 1L
Classical Line
1 game
0W
0D
1L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack 2 games 0W 2D 0L
Sicilian Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 1 game 0W 1D 0L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation
1 game
0W
1D
0L
Queen's Pawn Game 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
Pseudo-Catalan
1 game
0W
1D
0L
Indian Defense 1 game 1W 0D 0L
Spielmann-Indian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Richter-Veresov Attack 1 game 0W 1D 0L
Two Knights System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
East Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Noa Variation
1 game
0W
0D
1L
Blunders Top 4 of 184
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 55 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.18 | Round 5: Kolthoff, Siegmund - Nagel, Bernhard | 5.1 | 2026.09.18 Nagel, Bernhard (4661559) (2170) | ½ | 94.50% | 1. d4 d5 2. Nf3 e6 3. Bf4 Bd6 | |
| 2026.09.17 | Round 4: Neuberger, Guido - Kolthoff, Siegmund | 4.1 | 2026.09.17 Neuberger, Guido (4642112) (2068) | ½ | 98.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.09.16 | Round 3: Kolthoff, Siegmund - Pfrommer, Christoph | 3.1 | 2026.09.16 Pfrommer, Christoph (4603290) (2267) | ½ | 92.00% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | |
| 2026.09.16 | Round 1: Kolthoff, Siegmund - Krause, Ullrich | 1.1 | 2026.09.16 Krause, Ullrich (4613058) (2152) | ½ | 95.00% | 1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ | |
| 2026.09.11 | Round 7: Kolthoff, Siegmund - Mueller, Ralf | 7.1 | 2026.09.11 Mueller, Ralf (4606612) (2313) | ½ | 79.20% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.09.11 | Round 6: Berghof, Axel - Kolthoff, Siegmund | 6.1 | 2026.09.11 Berghof, Axel (4641345) (2084) | ½ | 98.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.08.26 | Round 9: Behrens, Harald - Kolthoff, Siegmund | 9.5 | 2026.08.26 Behrens, Harald (4602889) (2184) | ½ | 91.50% | 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 | |
| 2026.08.25 | Round 8: Linke, Michael - Kolthoff, Siegmund | 8.12 | 2026.08.25 Linke, Michael (1272101) (1851) | 1 | 95.50% | 1. e4 c5 2. Nc3 e6 3. g3 Nc6 | |
| 2026.08.24 | Round 7: Kolthoff, Siegmund - Mondorf, Karl-Josef | 7.15 | 2026.08.24 Mondorf, Karl-Josef (34600680) (1906) | 1 | 92.40% | 1. c4 c5 2. Nf3 Nf6 3. d4 cxd4 | |
| 2026.08.23 | Round 6: Heck, Norbert - Kolthoff, Siegmund | 6.4 | 2026.08.23 Heck, Norbert (4622928) (2231) | 0 | 88.80% | 1. d4 d5 2. Nf3 Nf6 3. g3 e6 | |
| 2026.08.22 | Round 5: Kolthoff, Siegmund - Haertner, Helmut, Dr. | 5.14 | 2026.08.22 Haertner, Helmut, Dr. (12913316) (1917) | 1 | 90.30% | 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.08.21 | Round 4: Hirstel, Serge - Kolthoff, Siegmund | 4.11 | 2026.08.21 Hirstel, Serge (644986) (1907) | ½ | 89.30% | 1. e4 c5 2. Nf3 e6 3. d3 Nc6 | |
| 2026.08.20 | Round 3: Kolthoff, Siegmund - Haffner, Ernst Georg, Prof. Dr. | 3.12 | 2026.08.20 Haffner, Ernst Georg, Prof. Dr. (1270068) (1951) | ½ | 88.70% | 1. Nf3 d5 2. d4 Nc6 3. Bf4 Nf6 | |
| 2026.08.19 | Round 2: Hansult, Manfred - Kolthoff, Siegmund | 2.23 | 2026.08.19 Hansult, Manfred (4677030) (1855) | 1 | 92.20% | 1. d4 Nf6 2. Nf3 c5 3. e3 d5 | |
| 2026.08.18 | Round 1: Kolthoff, Siegmund - Warnk, Torsten | 1.16 | 2026.08.18 Warnk, Torsten (4648315) (1845) | ½ | 84.00% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.07.12 | Round 7: Migl, Dieter - Kolthoff, Siegmund | 7.3 | 2026.07.12 Migl, Dieter (4607147) (2157) | ½ | 88.50% | 1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 | |
| 2026.07.11 | Round 6: Kolthoff, Siegmund - Kopp, Peter, Dr. | 6.7 | 2026.07.11 Kopp, Peter, Dr. (4614313) (1983) | 1 | 92.60% | 1. d4 d6 2. e4 Nf6 3. Nc3 Nbd7 | |
| 2026.07.10 | Round 5: Domroese, Michael - Kolthoff, Siegmund | 5.7 | 2026.07.10 Domroese, Michael (24696145) (1842) | ½ | 91.50% | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 | |
| 2026.07.09 | Round 4: Kolthoff, Siegmund - Hess, Juergen | 4.7 | 2026.07.09 Hess, Juergen (24668664) (1939) | ½ | 95.80% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | |
| 2026.07.07 | Round 2: Kolthoff, Siegmund - Reimann, Reinhold | 2.9 | 2026.07.07 Reimann, Reinhold (12961019) (1892) | 1 | 97.50% | 1. Nf3 e6 2. g3 d5 3. d4 Nf6 | |
| 2026.07.06 | Round 1: Boldt, Heinrich - Kolthoff, Siegmund | 1.10 | 2026.07.06 Boldt, Heinrich (4644220) (1825) | 1 | 96.50% | 1. c4 Nf6 2. Nc3 c5 3. g3 e6 | |
| 2026.07.04 | Round 3: Okrajek, Alexander - Kolthoff, Siegmund | 3.1 | 2026.07.04 Okrajek, Alexander (4612221) (2199) | ½ | 98.10% | 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 | |
| 2025.07.13 | Round 7: Kliewe, Hans-Juergen - Kolthoff, Siegmund | 7.3 | 2025.07.13 Kliewe, Hans-Juergen (4669134) (2045) | 1 | - | 1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 | |
| 2025.07.12 | Round 6: Kolthoff, Siegmund - Barten, Ralf | 6.6 | 2025.07.12 Barten, Ralf (4680219) (1955) | 1 | 96.80% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.07.11 | Round 5: Wagner, Bernd - Kolthoff, Siegmund | 5.13 | 2025.07.11 Wagner, Bernd (24601721) (1902) | 1 | 93.10% | 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 | |
| 2025.07.10 | Round 4: Kolthoff, Siegmund - Broeder, Hans-Gert | 4.23 | 2025.07.10 Broeder, Hans Gert (94724008) (1804) | 1 | 88.90% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.07.09 | Round 3: Boettcher, Frank, Dr. - Kolthoff, Siegmund | 3.23 | 2025.07.09 Boettcher, Frank, Dr. (4653726) (1849) | ½ | 80.10% | 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 | |
| 2025.07.08 | Round 2: Kolthoff, Siegmund - Cordes, Lothar | 2.11 | 2025.07.08 Cordes, Lothar (4692144) (1891) | 0 | 81.50% | 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2025.07.07 | Round 1: Gismann, Juergen, Dr. - Kolthoff, Siegmund | 1.13 | 2025.07.07 Gismann, Juergen, Dr. (24667552) (1810) | 1 | 94.10% | 1. e4 c5 2. c4 Nc6 3. Nf3 e6 | |
| 2025.04.04 | Round 7: Pollmann, Sascha - Kolthoff, Siegmund | 7.9 | 2025.04.04 Pollmann, Sascha (4628543) (2071) | ½ | 98.50% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | |
| 2025.04.02 | Round 5: Schneider-Zinner, Harald - Kolthoff, Siegmund | 5.1 | 2025.04.02 Schneider-Zinner, Harald (1604520) (2327) | 0 | 81.90% | 1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 | |
| 2025.04.01 | Round 4: Kolthoff, Siegmund - Belke, Frank, Dr. | 4.2 | 2025.04.01 Belke, Frank, Dr. (4612337) (2242) | ½ | 96.10% | 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 | |
| 2025.03.31 | Round 3: Kolthoff, Siegmund - Nikolov, Jordan | 3.5 | 2025.03.31 Nikolov, Jordan V. (2906112) (1968) | 1 | 97.50% | 1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 | |
| 2025.03.29 | Round 1: Kolthoff, Siegmund - Samisch, Romuald | 1.10 | 2025.03.29 Samisch, Romuald (4689313) (1870) | 1 | 95.50% | 1. d4 d5 2. c4 e6 3. Nc3 a6 | |
| 2024.07.07 | Round 7: Kolthoff, Siegmund - Cordes, Lothar | 7.8 | 2024.07.07 Cordes, Lothar (4692144) (1858) | 1 | 93.50% | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ | |
| 2024.07.06 | Round 6: Renner, Bernd - Kolthoff, Siegmund | 6.8 | 2024.07.06 Renner, Bernd (12978485) (1959) | ½ | 96.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.07.05 | Round 5: Kolthoff, Siegmund - Poetke, Dan-Peter | 5.7 | 2024.07.05 Poetke, Dan-Peter (4680081) (1968) | ½ | 91.10% | 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 | |
| 2024.07.03 | Round 3: Kolthoff, Siegmund - Colin Costello | 3.7 | 2024.07.03 Colin Costello | 1 | 90.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2024.07.02 | Round 2: Just, Joachim - Kolthoff, Siegmund | 2.11 | 2024.07.02 Just, Joachim (4648102) (1909) | 1 | 94.50% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 | |
| 2024.07.01 | Round 4: Kahe, Ralph - Kolthoff, Siegmund | 4.1 | 2024.07.01 Kahe, Ralph (24616184) (2129) | 0 | 90.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.07.01 | Round 1: Kolthoff, Siegmund - Waagener, Ulrich | 1.15 | 2024.07.01 Waagener, Ulrich (4604601) (2080) | * | 95.30% | 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 | |
| 2024.07.01 | Round 1: Kolthoff, Siegmund - Schwarz, Hans | 1.13 | 2024.07.01 Schwarz, Hans (4669240) (1856) | 1 | 93.20% | 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 | |
| 2024.04.08 | Round 3: Cordts, Ingo - Kolthoff, Siegmund | 2024.04.08 Cordts, Ingo (4662687) (2225) | ½ | 97.70% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.10.28 | 26. Offene Internationale Bayerische Schachmeisterschaft Tegernsee | 1 | 2023.10.28 Lammers, Markus (4680847) (2336) | 0 | 87.30% | 1. Nf3 d5 2. c4 c6 3. d4 Nf6 | |
| 2023.09.11 | 20. RLP-Senioren-Open | 7 | 2023.09.11 Richter, Gerald (200549) (1962) | ½ | 90.40% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2023.09.10 | 20. RLP-Senioren-Open | 6 | 2023.09.10 Wacker, Peter (4615751) (2260) | ½ | 97.70% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.09.09 | 20. RLP-Senioren-Open | 5 | 2023.09.09 Polster, Wolfgang (16231805) (2178) | ½ | 96.90% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 | |
| 2023.09.08 | 20. RLP-Senioren-Open | 4 | 2023.09.08 Hesse, Rutger (16209419) (1900) | 1 | 90.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2023.09.07 | 20. RLP-Senioren-Open | 3 | 2023.09.07 Schwickert, Michael (1874) | ½ | 96.00% | 1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 | |
| 2023.09.06 | 20. RLP-Senioren-Open | 2 | 2023.09.06 Wegemund, Hubert (4693892) (1887) | ½ | 91.30% | 1. d4 d5 2. Nf3 e6 3. c4 Nf6 | |
| 2023.09.05 | 20. RLP-Senioren-Open | 1 | 2023.09.05 Klein, Gernot (1781) | 1 | 88.60% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.04.02 | Round 5: Pascal Brunke - Siegmund Kolthoff | 2023.04.02 Pascal Brunke | ½ | 90.10% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2023.04.02 | Round 4: Siegmund Kolthoff - Maurice Gulatz | 2023.04.02 Maurice Gulatz | 1 | 92.00% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2023.04.02 | Round 6: Siegmund Kolthoff - Alexander Hilverda | 2023.04.02 Alexander Hilverda | 0 | 82.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.04.02 | Round 1: Bogdan Bilovil - Siegmund Kolthoff | 2023.04.02 Bogdan Bilovil | 0 | 88.10% | 1. d4 d5 2. c4 e6 3. Nc3 c5 |