Wednesday, September 19, 2012

2012-09-15, Solving Contest in SOI Crete

FM Spiros Ilantzis writes (and we thank him) about a solving chess-problems contest, which was organised by Chess Group of Heraklion Crete (SOI, http://www.soi.gr/website) as parallel event for 6th OPEN tourney (see here).

[Last Saturday they called me from Heraklion (Crete) and I went there to organize a Solving Contest. Of course, they asked for problems orthodox and easy.

The solving contest commenced at 11:15, with 22 solvers (15 experienced, plus some "passing by") -but not the “big names” (Logothetis, Lyrintzakis, Maris, Stavrianakis, Xylogiannopoulos, Mylonakis – players of ELO 2100-2330 who took part in the parallel tourney, they did not come).
I had prepared 6, rather easy, problems, 5 two-movers and 1 three-mover (by Loyd). I allowed them time 1 hour 45' (instead of 3 hours stated in the initial announcement), There was not any need to tire them more...

The results:

1st mr Gerasimos Spyrou, with 25 points (he solved correctly all the two-movers!)

2nd mr K. Klokas, with 20 p. (he solved correctly 4 two-movers, not the 4th)

3rd mr Pan. Eleftherakis (young lad, remarkable, he had dealt with problems before and he had done good practice!) with 15 p. (he solved correctly two two-movers, not the 1st nor the 4th).

4th – 5th mr Marcos Vayonakis and mr K. Papadimitrakis, with 10 p.

6th – 7th mr Manos Lantzourakis and mr Man. Tsapakis, with 5 p.

The rest of the solvers ... were simply unlucky! :-)
]

Here follow the selected problems with their solutions.


1st Solving chess-problems Contest of S.O.I.

Heraklion, September 15, 2012

The solutions of the problems of this contest:

1st of the contest (Problem-614)

Mate in 2 moves (6 + 6)
J. Dozescu, "Flacara Sibiului", 1965

Tries:
{1.Rf7? [2.Qxf8#] Bg5!},
{1.Qc4? /Qb3? /Qc7? [2.Qf7#] f4!}.
Solution: 1.Bg5! [2.Qxf8#] (the Bishop is sacrificed and there are 5 different ways to capture it, which lead to 5 different mates!),
1...Bxg5 2.Bxh5#,
1...Kxg5 2.Qg3#,
1...Sxg5 2.Sf4#,
1...Rxg5 2.Sh4#,
1...fxg5 2.Qc8#.

2nd of the contest (Problem-615)

Mate in 2 moves (7 + 5)
Rudenko V. and Mortensen J., Moscow Congress 1961, 1st Prize


Solution: 1.Qe3!
1...Kd5 2.Qd4#
1...Kf5 2.Qg5#
1...fxe6 2.Sd7#,
1...f6 2.Qxe4#,
1...f5 2.Qd4#,
1...fxg6 2.Qg5#.

Theme "Pickaninny" (4 different moves of the pawn in f7 lead to 4 different mates!).

3rd of the contest (Problem-616)


Mate in 2 moves (10 + 7)
Fritz Giegold, Oberfrankische Schachzeitung, 1929

Try:
{1.Qc1? (1...Ke4? 2.Qh1#) Kxe6!}
Solution: 1.Qh8! (spectacular "key", the Queen goes to the corner of the chess-board giving to the bkack King two more flight-squares in -c- column!),
1...Kxc6 2.Qa8#,
1...Kc4 2.Qd4#,
1...Ke4 2.Qh1#,
1...Kxe6 2.Qg8#.

The theme is "X-flights", while the white Queen visits three corners of the chess-board.


4th of the contest (Problem-617)

Mate in 2 moves (10 + 2)
Myllyniemi MattiSuomen Televisio 1961, FIDE Album 1959-61

Tries:
{1.Qd2? /Qd1? Bxf7!, (1...Bxh7? /Bxf5? 2.Qd4#), (1...Bxh5? 2.Qd5#)},
{1.Qh1? Bxh7!, (1...Bxf5? 2.Qd5# /Qh2#), (1...Bxh5? 2.Qe4# /Qd5#), (1...Bxf7? 2.Qe4#)},
{1.Qa1? Bxf5!, (1...Bxh7? 2.b3#), (1...Bxh5? 2.Qa5#)},
{1.Qg1? Bxh5!, (1...Bxf5? 2.Qg3#), (1...Bxh7? 2.Qg7#)}.
Solution: 1.Qe1!
1...Bxf7 2.Kf3#,
1...Bxh7 2.Qc3#,
1...Bxf5 2.Qg3#,
1...Bxh5 2.Qa5#.

Black has 4 available moves: the Bishop captures any of the 4 pieces in "X-shape" placing.


5th of the contest (Problem-618)

Mate in 2 moves (9 + 7)
Horatio Musante, Chess Life 1957-58, 3rd Prize

Try:
{1.Qe2? [2.Qe6#] Se3!,
(1...Qxf5 a 2.Qe7# A),
(1...Sxf5 b 2.Sd5# B),
(1...gxf5 c 2.Qa6# C),
(1...Kxf5 d 2.Bxg4# D)}.
Set play: {1...Kxf5 d 2.Bxg4# D

Solution: 1.Qb3! [2.Qe6#],
1...Qxf5 a 2.Be7# E,
1...Sxf5 b 2.Se4# F,
1...gxf5 c 2.Ra6# G,
1...Kxf5 d 2.Be4# H.

Stocchi blocks in two phases (the defences of Black are the same in the solution, as in the try, but the 4 mates are changed!

6th of the contest (Problem-144)

Mate in 3 moves (4 + 5)
Sam Loyd, 1865

Solution: 1.Qf1!
1...Bb2 2.Qb1 [2.Qxh7#] g6 3.Qxb2#,
1...Bc3 /Bd4 2.Qd3 g6 3.Qxc3# /Qxd4#,
1...Be5 /Bf6 2.Qf5 g6 3.Qxe5# /Qxf6#,
(the Queen is "hunting" the black Bishop!),
1...g3 2.Sg6+ hxg6 3.Qh3#

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