Discovered Check

Position after:

(1) Keres,P - Geller,E [D41] Candidats playoff 2pl Curacao (8), 1962 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bc4 Nxc3 8.bxc3 Be7 9.0-0 0-0 10.e4 b6 11.Bb2 Bb7 12.Qe2 Na5 13.Bd3 Rc8 14.Rad1 cxd4 15.cxd4 Bb4 16.d5 exd5 17.exd5 Qe7 18.Ne5 f6 19.Qh5 g6 20.Nxg6 hxg6 21.Bxg6 Qg7 22.Rd3 Bd6 23.f4 Qh8 24.Qg4 Bc5+ 25.Kh1 Rc7 26.Bh7+ Kf7 27.Qe6+ Kg7 28.Rg3+ 1-0

Position after:

(2) Fichtl,J - Kavalek,L [B43] CSR-ch Jablonec (9), 1962 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 b5 6.Bd3 Bb7 7.0-0 d6 8.a4 b4 9.Na2 Nf6 10.Re1 e5 11.Nf5 Nc6 12.Bd2 d5 13.exd5 Qxd5 14.Bg5 Nd4 15.Ne3 Qc6 16.c3 Ne6 17.Bxf6 gxf6 18.Nxb4 Bxb4 19.cxb4 Rg8 20.f3 Ng5 21.Rc1 Qb6 22.Kh1 Rd8 23.Qb3 Nxf3 24.Bc4 Rg7 25.Red1 Nd2 26.Qc3 Nxc4 27.Rxd8+ Qxd8 28.Nxc4 Rxg2 29.Na5 Rc2+ 30.Nxb7 Qd5+ 0-1

Position after:

(3) Keres,P - Schmid,L [B02] Zuerich Zuerich (5), 1961 1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 4.dxc3 d6 5.Nf3 Nc6 6.Bb5 Bd7 7.Qe2 dxe5 8.Nxe5 Nxe5 9.Qxe5 c6 10.Bc4 Qb8 11.Qe4 e6 12.Bg5 h6 13.Bh4 Bd6 14.0-0-0 Qc7 15.Qd4 Be5 16.Qc5 Bf6 17.Bxf6 Qf4+ 18.Rd2 gxf6 19.Rhd1 b6 20.Qh5 0-0-0 21.Ba6+ Kc7 22.g3 Qf5 23.Qxf7 e5 24.Rd6 Rh7 25.Rxc6+ Kb8 26.Qd5 Qxf2 27.Qd6+ Ka8 28.Bb7+ Kxb7 29.Rc7+ black resigned as 29...Kb8 30.Rxd7+ Ka8 31.Qc6+ Kb8 32.Qb7# 1-0

Position after:

(4) Hauchard,A (2500) - Schlosser,P (2505) [D45] Herzliya Herzliya (5), 10.09.1998 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 c6 5.e3 Nbd7 6.Qc2 Bd6 7.e4 dxe4 8.Nxe4 Nxe4 9.Qxe4 c5 10.Bg5 Nf6 11.Qh4 cxd4 12.0-0-0 e5 13.Bd3 h6 14.Rhe1 0-0 15.Bxh6 gxh6 16.Qxh6 Re8 17.Ng5 e4 18.Rxe4 Rxe4 19.Nxe4 Nxe4 20.Bxe4 Qc7 21.Bh7+ Kh8 22.Rxd4 Be5 23.Bg6+ Kg8 24.Rd8+ black resigned as 24...Qxd8 25.Qh7+ Kf8 26.Qxf7# 1-0