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, 1954 Mate in 2. #2 (10 + 7) |
| [3Q4/p2p1rb1/3S2B1/8/4rP1p/R1P1k2S/4P3/B2K4] | |
 | (Problem 275) H. Bartolovic, Second Prize, Die Schwalbe, 1961 Mate in 2. #2 (8 + 15) |
| [6B1/R3p3/6Q1/2S2R2/bp2R1p1/p1p2pqP/2kp4/KsrsbS2] | |
 | (Problem 276) F. Richter, Second Prize, Revista de Sah, 1948 White plays and wins. + (4 + 5) |
| [6k1/3R4/8/1pK5/pp6/P2B4/p7/8] | |
 | (Problem 277) W. Shinkman, Turf, Field and Farm, 1877 Selfmate 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#
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