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Martinez Serna, Juan Esteban
(1943) -
Ospina Castro, Santiago
(2148) -
Medellin Sub zt 2.3.2
(9), Medellin, 2025
D37
1.d4
d5
2.c4
e6
3.Nf3
Nf6
4.Nc3
Be7
5.Bf4
O-O
6.e3
c5
½-½
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