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1 problem(s) found in 6983 milliseconds (displaying 1 problem(s)). [PROBID='P1396553'] [download as LaTeX]

1 - P1396553
Aleksandr Feoktistov
The Ural's Problemist Website 11/2021
1. Preis
Aleksandr Azhusin 70 JT
Section logical s#
WCCI=7.5
P1396553
(13+11) C+
s#7
1. Lb3? droht 2. Te1
1. ... Dxg3! 1. ... Dg5!
1. Lc2? Dxg3!
1. Te1? droht 2. Lb3 2. Ta4 2. Te4
1. ... Dxg3 2. Lf3! Dh2! 3. Ld2+! Dxd2 4. Dxe5+ Kc2 5. Sd4+ Kc3 6. Sb3+ Kc2 7. Db2+ axb2#
1. ... Sf5 2. Dxe5+! Sd4 3. Ld2+! Kxd2 4. De3+ Kc3 5. Txd4! ... 6. Dc1+ Lc2 7. Db2+ axb2#
1. ... Dg5!
1. Tb3+? Kc4 2. Dxe5 bxc5!

1. Sc6-e7! droht 2. Tb3+! Kc4 3. Tc2+! Lxc2 4. Le2+ Ld3 5. Tb4+ Kc3 6. Ld2+ Kc2 7. Tb2+ axb2#
1. ... b6xc5 2. Te2-e1!! Dh4xg3,Dg5,Sf5 3. De3xc5+! Ld3-c4 4. Te1-e3+! Dg3xe3,Sxe3 5. Dc5xe3+ Lc4-d3 6. Ld1-b3! ... 7. Lc1-b2+ a3xb2#
1. ... Dh4xe7 2. Ld1-c2!! droht 3. Te2-e1, 3. Lc1-d2+
2. ... De7xc5! 3. Lc1-d2+ Kc3xc2 4. Ld2-e1+! Kc2-d1 5. De3xd3+ Kd1-c1 6. Dd3-c2+! Dc5xc2 7. Tb4-b1+ Dc2xb1#
4. ... Ld3xe2 5. De3xe2+ Kc2-c1 6. Le1-d2+ Kc1-c2 7. Tb4-b2+ a3xb2#
play all play one stop play next play all
"Multi-variant logic problem" (Author)
Keywords: Corner mate, Pawn mate, Change of Sacrifices
Genre: s#
Computer test: Gustav 4.1c
FEN: n5r1/5p2/NpN4n/2PPp3/1R4pq/p1kbQ1PP/P3R3/K1BB4
Input: Marcin Banaszek, 2021-12-03
Last update: Marcin Banaszek, 2022-09-01 more...
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Marcin Banaszek (1)