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Problem 776.1.: Gennady Koziura - Selfmate
gennady.koziura(31.12.2016) Gennady Koziura improves his selfmate 776.


1…Rxe5+ 2.Qd5+ Kf5 3.Sxe3+Bxe3#
1…Bxf1/Bc4 2.Sc3+ Kxe5 3.Rxe3+ Bxe3#
1…Bd3 2.cxd3+ Kxe5 3.Qe6+ Kxe6#
   1.Qd8! (2.Sc3+ Kxe5 3.Qd6+ cxd6#)
1...Bxd1 2.Qd3+Kxe5 3.Qe4+ Kxe4#
1...Kxe5 2.Qd6+ Ke4+ 3.Qd5+ Rxd5#
Three times bK go to e5 follow by different mates.
1...fxe5 2.exf3+ Qxf3 3.Qd4+ exd4#  
1...Bxe5 2.Qd5+ Kf4 3.Qd4+ Bxd4#                                                        
1...Sxe5 2.Qd3+ Bxd3+ 3.exd3+ Sxd3#
Three times black blocks e5 square with creation of battery.
1...Rxe5+ 2.Qd5+ Kf5 3.Sxe3+ Bxe3#
7th variation with black piece play on e5
(total of 5 different pieces play on this square).
Mates on different squares d3, d4, d5, d6, e3, e4.
Task! (Author)


0 #1 Rodolfo Riva 2017-01-02 09:06
A clear improvement!
Perhaps it is better to add: after E. Fomichev.
0 #2 Miodrag Mladenovic 2017-01-13 14:20
I think that wQ should be moved to e6 and then there will be flight giving key 1.Qd7! (all variations are same).

+1 #3 Miodrag Mladenovic 2017-01-14 11:24
Actually I see now that 1...Ke5 is not anymore defense and that's bad.

However I found out that wRe1 does not play in solution at all. It's playing only in set play. I think it's very bad and that problem is better without this rook.
0 #4 Геннадий 2017-01-16 18:15
1 ... Bxd1 2.Qd3 + Kxe5 3.Qe4 + Kxe4 # и дуаль 3.Qe3 + Bxe3 # без wRe1

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