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s
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Ahlborg, John (2224) - Katz, Alexander R (2405) - World op 49th (6), Philadelphia, 2021
E04
1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.g3 dxc4 5.Bg2 Bb4+ 6.Bd2 a5 7.Qc2 Bxd2+ 8.Nbxd2 b5 9.a4 c6 10.O-O O-O 11.b3 cxb3 12.Nxb3 b4 13.e4 Ba6 14.Rfe1 h6 15.Qc5 Bd3 16.Ne5 Nfd7 17.Nxd7 Nxd7 18.Qxc6 Rc8 19.Qd6 Rc3 20.Nc1 Nb6 21.Qe5 Nc4 22.Qh5 Qxd4 23.Nxd3 Rxd3 24.Rad1 Nb2 25.Rc1 Rd2 26.Rf1 Nd3 27.Rcd1 Rxf2 28.Rxf2 Qxf2+ 29.Kh1 Qe3 30.Rf1 Nf2+ 31.Kg1 Nh3+ 32.Kh1 Qg1+ 33.Rxg1 Nf2# 0-1
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