My Databases
Log in
Register
Games
Openings
Puzzles
Tournaments
Players
News
Light / Fun
Opening Repertoire Filter
My Databases
Games
Top games
Annotated games
Ten Classics
Top 250 Games
Most viewed games
ChessSpider!
Explorer
Novelties
Openings By Name/ECO
Latest Opening Trends
Chess Delight
Endgames
Puzzles
Checkmates - Advanced
Loyd on Saturday
Top tournaments in...
All-time top tournaments
Tournament Explorer
32 Classics
Portrait of a World Champion
Top players in...
Top players of all time
Player Profile
Player Explorer
Elo Calculator
News
Latest games
Chess Fun Quiz
Twenty-four miniatures
s
Download PGN
Mueller, Mark
(1995) -
Derr, Oleg
(2140) -
Heusenstamm Schloss Open
(3.42), Heusenstamm GER, 2025
B32
1.e4
c5
2.Nf3
Nc6
3.d4
cxd4
4.Nxd4
e5
5.Nb5
d6
6.N1c3
a6
7.Na3
Be6
8.Be2
Nf6
9.Bg5
Be7
10.Bxf6
Bxf6
11.Nc4
Nd4
12.Ne3
Rc8
13.O-O
O-O
14.Qd3
Bg5
15.Ncd1
b5
16.c3
Bc4
17.Qxc4
bxc4
18.cxd4
exd4
19.Nxc4
d5
20.exd5
d3
21.Bxd3
Qxd5
0-1
Comment
Save to an existing database
or save to a new database
Other games by White
Mueller - Hoellenriegel (Playc.
Zhang - Mueller (Willingen, 20.
Kraus - Mueller (Willingen, 20.
Chassard - Mueller (Schwaebisc.
Mueller - Ruddat (Willingen, 2.
Cherny - Mueller (Playchess.co.
Other games by Black
Derr - Vlassov (chess.com INT,.
Kononenko - Derr (chess.com IN.
Lakshmi - Derr (chess.com INT,.
Derr - Aynaoglu (chess.com INT.
Santos - Derr (chess.com INT, .
Derr - Romany (chess.com INT, .