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Kostadinov's challenge


Dedicated to FIDE WCC “Anand – Topalov” 2010

Diyan Kostadinov is a Bulgarian versatile chess problem composer. He is titled national „Master of sport” for chess composition and during the last 10 years won a large number of Prizes in the most prestigious chess composing tournaments in all over the world. He is Olympic silver medalist and winner of the super-tournaments organized by Strate Gems (USA), Probleemblad (Holland), Orbit (Macedonia), Harmonie (Germany), Pat a Mat (Slovenia), Best Problems (Italy) etc.  


mate in 2 moves


mate in 2 moves


mate in 2 moves


mate in 2 moves

mate in 2 moves

mate in 2 moves


Chess lovers from all over the world can participate in this solving competition. In all six problems white moves and mates in two moves. The orientation of the diagrams is as follow – “a1” square is on the left corner down, “h1” is respectively on the right corner down. Just mail the keys: white's first move for a mate in two, together with your name and country direct to the author’s e-mail till to 07.05.2010 (Friday). But be careful when you solve the problems because there are a thematic tries where the black refute the mate! The prizes, photos and chess books with the autograph of Topalov, will be awarded to 5 solvers drawing of lots and the names of the winners will be published here together with the solutions of the problems in the end of the match.

The “Kostadinov’s challenge” was successful tournament with 152 (!) participants from 46 (!!) countries as follow: Bulgaria (30), India (29), Brazil (11), USA (9), Romania (7), Germany (4), Canada (4), Italy (4), Norway (3), Greece (3), Philippines (3), The Netherlands (2), Spain (2), Hungary (2), England (2), Scotland (2), UK (2), Cuba (2), Republica Dominicana (2), Australia (2), Peru (2), Sweden, Sri Lanka, Finland, Croatia, Armenia, Palestine, Malaysia, Bahrain, Czech Republic, Mexico, Vietnam, Albania, Saudi Arabia, Nigeria, Niger, Ukraine, France, Jordan, Argentina, Serbia, Indonesia, Ireland, China, Pakistan, Colombia.

112 of them sent a correct solution of the problems and were included to the lot. Here are the solutions:

A: 1.Qa2? (2.Qf2#), 1…Sd3/Se2 2.Sg6#, 1…S:h3 2.R:h3#, but 1…h:g4!

1.Qg6! (zz), 1…S~ 2.Q:h5#, 1…S:g6 2.S:g6#, 1…h:g4 2.Q:g4#
NA: 1.Qd7? (2.Qd6#), 1…R:f5 2.Se6#, but 1…R:h4!

1.Qe8! (2.Qe3#), 1…Be4 2.Q:e4#

ND: 1.Qc6? (2.Sb5#), 1…Sc3 2.Qb6#, but 1…S:f4!

1.f7! (zz),1…Sa~ 2.Qb6#, 1…Sc5 2.Qb2#, 1…g5 2.S:f5#, 1…g2 2.Bf2#, 1…Sh~ 2.Bf6#

TO: 1.Bh8? (zz), but 1…Sg7!

1.Bf6! (zz), 1…Sb~ 2.Sd2#, 1…Sf~ 2.Sd6#

PAL: 1.Rbe6? (2.Re5#), but 1…B:c4!, 1.Rgc6? (2.Rc5#), but 1…c:b6!

1.Rbc6! (2.Rc5#), 1…Sa4 2.d:e4#, 1…e:d3 2.Q:d3#, 1…B:a7 2.S:c7#
OV: 1.Bd7? (2.Rb5#), 1…Sd4 2.Bd6#, but 1…Sc6!

1.Rab4! (2.R4b5#), 1…Be8 2.Sd3#, 1…Sd4 2.Bd6#

The winners of our special prizes are: Svetlana Yoncheva (Bulgaria), Paul Dekker (The Netherlands), Luiz Fernandez (Brazil), Marian Tanase (Italy) and Slavcho Peikov (Bulgaria).

Congratulations to the winners and thank to all participants!




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