## Tuesday, June 11, 2013

### 10th Solving Contest of ESSNA, Solved Problems

10th Solving Contest of ESSNA (Attica, Greece)

June 09, 2013

Problems solved in 120 minutes (2 hours)

 Problem-704 G Heathcote, Chess Amateur, 1906 Problem-705 S Levman, 1 Prize,  64 Shahmatnoe Obozrenie, 1938 #2, Mate in 2 moves (9+9) #3, Mate in 3 moves (8+10) 1.Qa5 ! (5)  [2.Qxb4 #] 1...Qa3/c3/a4 2.Qc3 # 1...Qxc5 2.Qxd2 #  1...Qxa5 2.Sxb3 #  1...Qc4 2.Sc6 # 1...Kxc5 2.Qa7 # 1...dxc5 2.Qd8 # 1...Bxe6 2.Sxe6 # 1.Bg7 !  [2.Sh6 [3.Sxf7 #]] (1) 1...c6 2.Bf8 (1) ~ 3.Bd6 # 1...c5 2.Re8 (1) ~ 3.Rd5 # 1...b6 2.Se7 (1) ~  3.Sc6 # 1...b5 2.Rc2 (1) ~ 3.Rc5 # Splendid differentiation after the black pawn move. Problem-706 S Tolstoi, Freie Presse, 1975 Problem-707 F Prokop, Ceski Slovo, 1923 #5, Mate in 5 moves (8+4) =, White plays and draws (4+4) 1.Bh2 ! zugzwang.(1) b4  2.Rg1 b3  3.Rh1  Kxg5  4.Be5(4) Kf5  5.Rh5 # 1. Sb6+ Kb5  2. Sd4+ Kxb6  3. Sxe2(2) Bd1  4. Kh4!  Bxe2  5. Bg5! g1=Q  6. Be3+(3) Qxe3 = Problem-708 S  Gavrilovski, Phenix, 2012 Problem-709 W Jorgensen, 2 Prize, Die Schwalbe, 1966 h#4, Helpmate in 4 moves (4+3) s#3, Selfmate in 3 moves (12+6) 1.Kd6 Kf2 2.Bf6 e4 3.Ke5 Ke3 4.Rd6 f4 #(5) Switchbacks of the two kings. 1.Ra7 ! (1) zugzwang. 1...Rxf6 2.f8=Q + Rf7 3.Qa8 (1) 1...Rxg5 2.f8=R + Rxg8 3.Rxg8 (1) 1...Rf4 2.f8=B + Kxe5 3.Bc5 (1) 1...Rxe5 2.f8=S + Kd6 3.Se6 (1) AUW in combination with black rook cross.