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
Koellner, Ruben Gideon
(2506) -
Collins, Adam
(2339) -
grenke Chess Open 2026
(4.11), Karlsruhe GER, 2026
D02
1.d4
d5
2.Nf3
Nf6
3.Bf4
e6
4.e3
Bd6
5.Ne5
O-O
6.Bd3
c5
7.c3
Qc7
8.Nd2
Nc6
9.Ndf3
a5
10.h4
Ne4
11.Ng5
Nxe5
12.dxe5
Bxe5
13.Qh5
h6
14.Nxe6
fxe6
15.Bxe5
Qf7
16.Qxf7+
Rxf7
17.f3
Nf6
18.Bg6
Rd7
19.g4
Nh7
20.f4
Nf8
21.Bc2
Rf7
22.g5
Nd7
23.Bd6
Ra6
24.g6
Rf5
25.Be7
d4
26.Bxf5
exf5
27.cxd4
Rxg6
28.dxc5
Re6
29.Bd6
b6
30.O-O-O
bxc5
31.Bc7
a4
32.Rd6
Rxe3
33.Rhd1
Re7
34.Bd8
Rf7
35.Ba5
Nf8
36.Rc6
Bb7
37.Rxc5
Ne6
38.Rc4
Be4
39.Bd2
Ra7
40.Be3
Ra6
41.Rd7
Kh7
42.Kd2
Kg6
43.Ra7
Rd6+
44.Ke1
Kh5
45.Rcxa4
Rd3
46.Ra3
Rxa3
47.Rxa3
Kxh4
48.Ra6
Bd5
49.b3
Nf8
50.Rd6
Be4
51.Bd4
1-0
Comment
Save to an existing database
or save to a new database
Other games by White
Karthik - Koellner (Karlsruhe .
Koellner - Mika (Chess.com INT.
Kalogridis - Koellner (Karlsru.
Koellner - Kjartansson (Berlin.
Logvinov - Koellner (Oberding .
Koellner - Wunderlich (Oberdin.
Other games by Black
Collins - Balaji (Leamington S.
Banerjee - Collins (Leamington.
Bazakutsa - Collins (Leamingto.
Gormally - Collins (Leamington.
Collins - Czebe (Dublin IRL, 2.
Collins - Venkatesan (Dublin I.