6/20/2010 — Mate in 4

FEN: r4rk1/5p1p/pp3PpQ/2p1P3/8/P2qPb2/1P4PP/R1B3K1 b - - 0 1
OTBET:
1...Qd1+ 2. Kf2 Qe2+ 3. Kg3 Qxg2+ 4. Kf4 Qg4#
6/19/2010 — Tarrasch — Gunsberg, Frankfurt 1887

FEN: kq1rr3/pp4pp/1Rp4n/Q1P2b2/R3B3/5N1P/P4PP1/6K1 w KQkq - 0 1
OTBET:
1. Ra6 Rd1+ 2. Ne1 Rxe1+ 3. Qxe1 Bxe4 4. Rxe4 Rxe4 5. Qxe4 bxa6 6. Qxc6+ Qb7 7. Qe8+ Qb8 8. Qe4+ Qb7 9. c6 Qc7 10. Qe8+ Qb8 11. Qd7