Player profile
Markzon, Gregory
Dossier
37 of 38 games analyzed.
Accuracy: 90.9%
Opened c4: 6/15Opened d4: 5/15Opened Nf3: 3/15Opened e4: 1/15
Castled kingside: 29Same-side castling: 26Opposite-side castling: 3Castled queenside: 2
Fianchettoed kingside: 18Played in the center: 10Played on the kingside: 9Played on the queenside: 8Fianchettoed queenside: 3
Backward pawn: 26Sacrificed material: 23Space advantage: 22Kept the bishop pair: 20Initiated exchanges: 20Active pieces: 17Isolated pawn: 16Missed tactics: 10Avoided exchanges: 9Played gambits: 1
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 16 games 10W 3D 3L
English Opening 5 games 3W 1D 1L
Anglo-Indian Defense 2 games 1W 1D 0L
Scandinavian Defense, Exchange Variation
1 game
1W
0D
0L
King's Knight Variation
1 game
0W
1D
0L
Agincourt Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Symmetrical Variation 1 game 1W 0D 0L
Hedgehog Defense
1 game
1W
0D
0L
Neo-Catalan 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Indian Defense 3 games 2W 0D 1L
Sämisch Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Three Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Zukertort Opening 2 games 2W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Sicilian Invitation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 2 games 1W 1D 0L
Orthodox Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Fianchetto Variation 1 game 1W 0D 0L
Uhlmann-Szabo System
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 1W 0D 0L
Tartakower Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 1 game 0W 0D 1L
Retreat Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 1 game 1W 0D 0L
Quiet Variation 1 game 1W 0D 0L
Schallopp Defense
1 game
1W
0D
0L
As Black 16 games 3W 3D 10L
Sicilian Defense 7 games 2W 1D 4L
Moscow Variation 3 games 2W 1D 0L
(unspecified)
3 games
2W
1D
0L
Najdorf Variation 2 games 0W 0D 2L
Lipnitsky Attack
1 game
0W
0D
1L
English Attack
1 game
0W
0D
1L
Alapin Variation 1 game 0W 0D 1L
Smith-Morra Declined
1 game
0W
0D
1L
Delayed Alapin Variation 1 game 0W 0D 1L
with e6
1 game
0W
0D
1L
King's Indian Defense 2 games 0W 0D 2L
Orthodox Variation 1 game 0W 0D 1L
Glek Defense
1 game
0W
0D
1L
Karpov System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
French Defense 1 game 0W 0D 1L
Tarrasch Variation 1 game 0W 0D 1L
Guimard Defense, Main Line
1 game
0W
0D
1L
Zukertort Opening 1 game 0W 1D 0L
Nimzo-Larsen Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
Queen's Knight Variation
1 game
1W
0D
0L
Italian Game 1 game 0W 0D 1L
Two Knights Defense 1 game 0W 0D 1L
Modern Bishop's Opening
1 game
0W
0D
1L
Grünfeld Defense 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
Spassky Variation
1 game
0W
0D
1L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 135
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 38 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.07.01 | 54th World Open - 2026 | 1.14 | 2026.07.01 Ghaem Maghami, Ehsan (12500739) (2445) | 0 | 91.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.04.01 | Round 1: Markzon, Gregory - Kevlishvili, Robby | 1.4 | 2026.04.01 Kevlishvili, Robby (1040634) (2518) | 0 | 90.10% | 1. c4 e6 2. Nf3 d5 3. g3 Nc6 | |
| 2025.11.01 | Round 11: Zapata, Alonso - Markzon, Gregory | 11.21 | 2025.11.01 Zapata, Alonso (4400011) (2263) | 0 | 86.20% | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2025.10.31 | Round 10: Markzon, Gregory - Vasilyev, Mikhail | 10.45 | 2025.10.31 Vasilyev, Mikhail (14101254) (1806) | 1 | 98.10% | 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 | |
| 2025.10.30 | Round 9: Pogorelov, Ruslan - Markzon, Gregory | 9.21 | 2025.10.30 Pogorelov, Ruslan (14100363) (2258) | 0 | 88.70% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.10.29 | Round 8: Markzon, Gregory - Ventura, Sergio | 8.41 | 2025.10.29 Ventura, Sergio (805823) (1944) | 1 | 91.40% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 e6 | |
| 2025.10.28 | Round 7: Chapman, Terry P D - Markzon, Gregory | 7.22 | 2025.10.28 Chapman, Terry P D (413399) (2257) | 0 | 92.40% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.10.26 | Round 6: Markzon, Gregory - Binham, Timothy F. | 6.18 | 2025.10.26 Binham, Timothy F. (500151) (2227) | ½ | - | 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 | |
| 2025.10.25 | Round 5: Kozlov, Oleg - Markzon, Gregory | 5.15 | 2025.10.25 Kozlov, Oleg (4104544) (2253) | ½ | 95.60% | 1. Nf3 Nf6 2. b3 d6 3. d4 g6 | |
| 2025.10.24 | Round 4: Markzon, Gregory - Evertsson, Rune | 4.39 | 2025.10.24 Evertsson, Rune (1704184) (1898) | 1 | 91.60% | 1. Nf3 c5 2. b3 Nf6 3. Bb2 d5 | |
| 2025.10.23 | Round 3: Van Riemsdijk, Herman C. - Markzon, Gregory | 3.11 | 2025.10.23 Van Riemsdijk, Herman C. (2100053) (2236) | 0 | 84.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.22 | Round 2: Markzon, Gregory - Nasybullin, Vladislav | 2.11 | 2025.10.22 Nasybullin, Vladislav (13700057) (2305) | 1 | 95.20% | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | |
| 2025.10.21 | Round 1: Adler, Doron - Markzon, Gregory | 1.74 | 2025.10.21 Adler, Doron (2817004) (1813) | 1 | 92.40% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2025.05.23 | Round 1: Fier, Alexandr - Markzon, Gregory | 1.10 | 2025.05.23 Fier, Alexandr (2107139) (2556) | 0 | 92.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.11.24 | World Senior Chess Championship 2024 | 7.10 | 2024.11.24 Hugentobler, Patrick (1301497) (2216) | 0 | 88.60% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2024.11.22 | World Senior Chess Championship 2024 | 6.4 | 2024.11.22 Ftacnik, Lubomir (14900017) (2444) | 0 | 85.90% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2024.11.21 | World Senior Chess Championship 2024 | 5.9 | 2024.11.21 Chapman, Terry P D (413399) (2273) | 1 | 97.00% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.11.20 | World Senior Chess Championship 2024 | 4.6 | 2024.11.20 Legky, Nikolay A (14100312) (2338) | ½ | 91.50% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.11.19 | World Senior Chess Championship 2024 | 3.6 | 2024.11.19 Rivera, Daniel (3000052) (2245) | ½ | 92.50% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.11.18 | World Senior Chess Championship 2024 | 2.15 | 2024.11.18 Vatter, Hans-Joachim (4602439) (2212) | 1 | 94.40% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.06.02 | Round 11: Ynojosa Aponte, Felix Jose - Markzon, Gregory | 2024.06.02 Ynojosa Aponte, Felix Jose (3900258) (2377) | 0 | 89.20% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2024.06.01 | Round 1: Tobar B, Carlos Andres - Andres Alvarez Vargas | 2024.06.01 Tobar B, Carlos Andres (4430638) (1893) | 0 | 67.50% | 1. e4 e6 2. Nf3 c5 3. c3 Nc6 | ||
| 2024.05.31 | Round 10: Markzon, Gregory - Johnson, Joshua | 2024.05.31 Johnson, Joshua (7700768) (2310) | 1 | 95.60% | 1. c4 c6 2. Nf3 d5 3. d4 Nf6 | ||
| 2024.05.30 | Round 9: Santos Flores, Alberto - Markzon, Gregory | 2024.05.30 Santos Flores, Alberto (3601234) (2191) | 1 | 97.60% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| 2024.05.29 | Round 8: Markzon, Gregory - Bermudez, Edilson Enrique | 2024.05.29 Bermudez, Edilson Enrique (4482719) (1792) | 1 | 87.00% | 1. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd5 | ||
| 2024.05.28 | Round 7: Betaneli, Alexander - Markzon, Gregory | 2024.05.28 Betaneli, Alexander (2012359) (2175) | ½ | 95.20% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 Bg7 | ||
| 2024.05.27 | Round 6: Markzon, Gregory - Murcia Molina, Manuel Hernando | 2024.05.27 Murcia Molina, Manuel Hernando (4490053) (1845) | 1 | 92.10% | 1. c4 Nf6 2. Nf3 e6 3. g3 d5 | ||
| 2024.05.27 | Round 5: Francisco Guecamburu, Candela Be - Markzon, Gregory | 2024.05.27 Francisco Guecamburu, Candela Be (160911) (2292) | 0 | 91.50% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 | ||
| 2024.05.27 | Round 4: Markzon, Gregory - Mejia Ospina, Juan F | 2024.05.27 Mejia Ospina, Juan F (4468457) (1770) | 1 | 95.60% | 1. c4 Nf6 2. Nf3 d6 3. g3 g6 | ||
| 2024.05.27 | Round 3: Vasquez Toledo, Cristian - Markzon, Gregory | 2024.05.27 Vasquez Toledo, Cristian (3413454) (2274) | 0 | 80.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.05.27 | Round 2: Markzon, Gregory - Munoz Triana, Joseph Steve | 2024.05.27 Munoz Triana, Joseph Steve (4481712) (2362) | ½ | 93.90% | 1. c4 Nf6 2. Nf3 c5 3. g3 d5 | ||
| 2024.05.27 | Round 1: Jacome Revelo, Daniela Alexandra - Markzon, Gregory | 2024.05.27 Jacome Revelo, Daniela Alexandra (144400772) (1620) | 1 | 92.20% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| 2023.04.01 | Reykjavik Open 2023 | 5.20 | 2023.04.01 Wadsworth, Matthew J (415804) (2439) | 0 | 84.00% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2023.03.31 | Reykjavik Open | 4 | 2023.03.31 Rosen, Eric (2032562) (2357) | 1 | 95.40% | 1. d4 Nf6 2. Bf4 g6 3. Nc3 c5 | |
| 2023.08.04 | Round 7: Gregory Markzon - Viktor Matviishen | 2023.08.04 Viktor Matviishen | 0 | 88.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.08.04 | Round 6: Sho Glashausser - Gregory Markzon | 2023.08.04 Sho Glashausser | 1 | 93.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| 2023.08.03 | Round 4: David Brodsky - Gregory Markzon | 2023.08.03 David Brodsky | 0 | 95.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.08.02 | 2023 US Open Championships | 2 | 2023.08.02 William Donham | 1 | 95.20% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 |