We present, from the Fourth ISC (2008-01-27), the problems of the Second 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 278) W. Pauly, Second Prize ex aequo, Good Companions, 1921, Mate in 2. #2 (8 + 7) |
| [4S3/8/1pr5/1P1k1Pp1/S5R1/2p2s2/2p1RB2/2K5] | |
 | (Problem 279) H. G. Matthaeus, Deutsche Schachzeitung, 1981 Mate in 2. #2 (8 + 4) |
| [6K1/8/R3p2k/5P2/6PB/6R1/3brP2/3B4] | |
 | (Problem 280) W. Pauly, La Strategie, 1911 Mate in 3. #3 (6 + 5) |
| [8/6p1/6P1/5R1K/1S3B2/1pP5/pp6/1k6] | |
 | (Problem 281) A. Gschwend, Third Place, Bayern-Oesterreich, 1972/73, Helpmate in 2. Two solutions. h#2 2.1.1.1 (5 + 9) |
| [8/8/8/2Spkp2/pp1p1q2/RQ1ps3/B7/2K5] | |
The solutions of the problems
(Problem 278) W. Pauly, (Good Companions, 1921), Second Prize ex aequo.
Virtual play (*) 1...Rc8 / Rh6 / S~ 2 Sxb6# / Sxc3# / Rd4#
Try : [1 Bg3? (αν 1...Rc8 / Rh6 / S~ 2 Sf6# / Sc7# / Re5#) Sd4!].
Key : 1 Bc5! (5)
1...Rc8 / Rh6 / S~ / Rxc5 / bxc5 2 Sf6# / Sc7# / Rd4# / Sxb6# / Sxc3#
(Problem 279) H. G. Matthaeus, (Deutsche Schachzeitung, 1981)
Tries : [1 Re3? (if 1...Rxe3 / Bxe3 2 g5# / Rxe6#) Bc3!], [1 Bf6? Exf5!].
Key : 1 Be7! (5) ( > 2 Rh3#)
1...Re3 / Bg5 2 g5# / Bf8#
(Problem 280) W. Pauly, (La Strategie, 1911)
Tries : [1 Kh5-h4? / Kh5-g4? / Rf5-d5? / Rf5-e5? / Rf5-g5? / Bf4-d2? / Bf4-e3? / Bf4-h6? / Bf4-g5? Kb1-a1!], [1 Bf4-e5? Kb1-c1!]
Key : 1 c4! (1) (zz)
1...Ka1 2 Be5 (1) Kb1 3 Rf1#
1...a1=Q,R 2 Bg5 (1) ~ 3 Rf1#
1...a1=S 2 Rd5 (1) Sc2 3 Rd1#
1...a1=B 2 Bh6 (1) gxh6 3 Rf1 #
(Problem 281) A. Gschwend, (Bayern-Oesterreich, 1972/73), Third Place
Key : 1 axb3! Ra6 2 bxa2 Re6# (2,5)
Key : 1 bxa3! Se4 2 dxe4 Qe6# (2,5)
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