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MatPlus.Net Forum Endgame studies 4th International Solving Contest - cooked study?

### 4th International Solving Contest - cooked study?

The following study which was given for solving maybe is cooked:

L.Falk, Réti MT 1989, 2.hm
(= 4+5 )

draw

1.Rb8+ Kd7 2.Rb7+ Kc6 3.Rb6+ Kd7 4.Rb7+ Kxd6 5.Rb4! Ra1+ [but 5...Rc3+! 6.Kd2 Rc4 7.Rb6+ Kd7! 8.Kxe3 (8.Rb7+ Kc8–+) 8...Rc7!–+)] 6.Kb2 Be5+ 7.Bd4 a3+ 8.Kxa1 Nc2+ 9.Kb1 Nxb4 10.Bb2! Bxb2 stalemate

Am I right?

Yes, it's cooked!

after 5...Rc3+! etc, 7...Kd7! 8.Kxe3 Rc7! 9.Rg6 Rxa7!! 10.Rg7+ Kc6 11.Rxa7 Bg1+ 12.Kd3 Bxa7 13.Kc4 Bc5 wins for black

In view of this black should play 2...Kxd6 to reach this variation two moves earlier.

(3) Posted by Vladimir Tyapkin [Monday, Jan 28, 2008 08:52]

Can anybody post all problems from the contest? Thanks.

4th ISC
(2008)

Round 1

1.
(= 13+6 )

#2

2.
(= 8+9 )

#3

3.
(= 10+9 )

#4

4.
(= 3+4 )

=

5.(Please do not reprint this original problem!)
(= 0+0 )

h#3

6.
(= 9+9 )

s#6

Round 2

7.
(= 8+9 )

#2

8.
(= 9+10 )

#3

9.
(= 9+9 )

#5

10.
(= 4+5 )

=

11.(Please do not reprint this original problem!)
(= )

h#6

12.
(= 8+13 )

s#3

I could send the two missing problems only by a PM.

study 4 contains a minor dual (at the last move) but nothing destroying