Kurt Keller (Германия)
Внимание! С 2025 года в каждом из разделов можно будет публиковать не более трёх композиций ежемесячно от одного автора.
 
#8 7+8


* 1. ... Kh2 [a] 2. Se5 [A] Rh1? 3. Sxf3#
2. ... Kh1/gxf2 3. Sg4(+) gxf2/Kh1 4. Sxf2+ Kh2 5. Sg4+ Kh1 6. Kg3 f2 7. Sxf2#
* 1. ... gxf2 [b] 2. Sxf2+ [C] Kh2 [a] 3. Sg4+ [B] Kh1 4. Kg3 f2 5. Sxf2#

1. Se5? Kh2 [a] 2. Sg4+ [B] Kh1 3. Kh5! gxf2 4. Sxf2+ Kh2 5. Kh4 Rh1 6. Sg4+ Kg1 7. Bf2# MM
1. ... gxf2! [b]
1. Kg4/Kh5? gxf2 [b] 2. Sxf2+ [C] Kh2 [a] 3. Kh4 [D] Rh1 4. Sg4+ Kg1 5. Bf2#
1. ... Kh2! [a]

1. fxg3! Kh2? [a] 2. Sf2 [C] Rh1 3. Sg4+ Kg1 4. Bf2#
1. ... f2 2. Sxf2+ Kh2 3. Sd3? Kh1 4. g4 Kh2 5. Bg3+ Kh1 6. Sf2#
3. ... Rh1!
3. Sg4+ Kh1 4. Se5 Kh2 5. g4 Rh1? 6. Sf3#
5. ... Kh1 6. Sd3 Kh2 7. Bg3+ Kh1 8. Sf2# MM

Keywords: White to play, complete block, capture key, pure round trip (S), switchback (Sk,KSk,Sk), pendulum (k), changed continuations (3-phase: aAaBaC, 2-phase: bCaBbCaD), changed mates, mate on same square, model mates, annihilation, sacrifice of black piece (active), square vacation, selfblock, line opening (e1-g3,f3-f2), tempo move (K), corner mate, interchange in mating position (kr (2))