## Sunday, January 11, 2009

### Solving Contest 2008-01-27, ISC categ2 round1

The Fifth ISC (International Solving Contest) for 2009 is approaching, which takes place parallely in many countries at the same time.

We present, from the Fourth ISC (2008-01-27), the problems of the First Round of the Second Category (easier problems, without international rating) for you to practise.

Problems to be solved. (The solutions are at the end of this post).

 (Problem 274)F. Bachl, Third Prize, Jubilee Tourney H. Roemming, 1954Mate in 2.#2 (10 + 7) [3Q4/p2p1rb1/3S2B1/8/4rP1p/R1P1k2S/4P3/B2K4]

 (Problem 275)H. Bartolovic, Second Prize, Die Schwalbe, 1961Mate in 2. #2 (8 + 15) [6B1/R3p3/6Q1/2S2R2/bp2R1p1/p1p2pqP/2kp4/KsrsbS2]

 (Problem 276)F. Richter, Second Prize, Revista de Sah, 1948White plays and wins.+ (4 + 5) [6k1/3R4/8/1pK5/pp6/P2B4/p7/8]

 (Problem 277)W. Shinkman, Turf, Field and Farm, 1877Selfmate in 2 moves. s#2 (6 + 7) [3r2bK/r2p4/7k/3B1QS1/5S2/3p4/7q/6R1]

The solutions of the problems

(Problem 274) F. Bachl, (H. Roemming Jubilee Turnier, 1954), Third Prize

Tries : [1 Qe7? Be5!], [1 Qf6? (if 1...Rxf6 / Bxf6 2 c4# / Sf5#) Ra4!]

Key : 1 Qg5! (5) ( > 2 Qg1#)
1...Rexf4 / Rfxf4 / Rd4+ 2 Sc4# / Sf5# / cxd4#

(Problem 275) H. Bertolovic, (Die Schwalbe, 1961), Second Prize

Tries : [1 Rf6? / Rd5? / Re6? exf6! / Be8! / Bb5!], [1 Rff4? / Rfe5? / Ref4? / Ree5? gxh3! / Ra6! / f2! / Rd7!]

Key : 1 Rd4! (5) ( > 2 Rf5~#)

(Problem 276) F. Richter, (Revista de Sah, 1948), Second Prize

Key : 1 Bh7+! (1) Kh8 (if 1… Kf8? 2 Rd1 b3 3 Ra1 +-)
2 Rd1 b3
3 Kb4 (1) b2
4 Bb1 (2) a1=Q
5 Rg1 (1) +-

(Problem 277) W. Shinkman (Turf, Field and Farm, 1877)

Try : [1 Bh1? Rda8!]

Key : 1 Ba8! ( > 2 Qh7+ (1) Bxh7#)
1...d6, d5 2 Qe6+ (1) Bxe6#
1...Qxg1, Qg2, Qg3 2 Sf7+ (1) Bxf7#
1...Qb2+ 2 Qf6+ (1) Qxf6#
1...Be6, Ba2, Bh7+ 2 Qf8+ (1) Rxf8#