MESON Chess Problem Database
Problem Display
PID: 235289 (8/5NpK/4R1N1/3P1k1B/1r4p1/q7/5PRb/1b5r w - - 0 1)
Hoffmann, Fritz
Schach, 1982
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Bxg4#
- 1...Rb3
- 2.Bxg4#
- 1...Rf4
- 2.Sh4#
- 1...Rb5
- 2.Bxg4#
- 1...Rb6
- 2.Bxg4#
- 1...Rb7
- 2.Bxg4#
- 1...Rb8
- 2.Bxg4#
- 1...Be4
- 2.Bxg4#
- 1...Bf4
- 2.Se7#
- 1...Rb2
- Tries
- 1.Rxg4?
- threat
- 2.Sh4#
- 2.Se7#
- 2.Rg5#
- 1...Qc1
- 2.Sh4#
- 2.Se7#
- 1...Qe3
- 2.Sh4#
- 2.Se7#
- 1...Qg3
- 2.Se7#
- 1...Qh3
- 2.Se7#
- 2.Rg5#
- 1...Qa7
- 2.Sh4#
- 2.Rg5#
- 1...Rg1
- 2.Sh4#
- 2.Se7#
- 1...Rb2
- 2.Sh4#
- 2.Rg5#
- 1...Rb3
- 2.Sh4#
- 2.Rg5#
- 1...Ra4
- 2.Sh4#
- 2.Rg5#
- 1...Rc4
- 2.Sh4#
- 2.Rg5#
- 1...Rd4
- 2.Sh4#
- 2.Rg5#
- 1...Re4
- 2.Sh4#
- 2.Rg5#
- 1...Rf4
- 2.Sh4#
- 2.Rg5#
- 1...Rb5
- 2.Sh4#
- 2.Rg5#
- 1...Rb6
- 2.Sh4#
- 2.Rg5#
- 1...Rb7
- 2.Sh4#
- 2.Rg5#
- 1...Rb8
- 2.Sh4#
- 2.Rg5#
- 1...Bg1
- 2.Se7#
- 2.Sd6#
- 2.Rg5#
- 1...Bg3
- 2.Se7#
- 2.Rg5#
- 1...Bf4
- 2.Se7#
- 1...Be5
- 2.Se7#
- 1...Bd6
- 2.Sxd6#
- 2.Rg5#
- 1...Bc7
- 2.Se7#
- 2.Rg5#
- 1...Bb8
- 2.Se7#
- 2.Rg5#
- 1...Rxg4!
- threat
- 1.Rxg4?
- Keys
- 1.f4!
- threat
- 2.Sd6#
- 2.Bxg4#
- 1...Rxf4
- 2.Sh4#
- 1...Bxf4
- 2.Se7#
- 1...gxf4 ep
- 2.Rg5#
- 1...Qf3
- 2.Sd6#
- 1...Qg3
- 2.Sd6#
- 1...Qh3
- 2.Sd6#
- 1...Qa6
- 2.Bxg4#
- 1...Rb2
- 2.Bxg4#
- 1...Rb3
- 2.Bxg4#
- 1...Ra4
- 2.Bxg4#
- 1...Rc4
- 2.Bxg4#
- 1...Rd4
- 2.Bxg4#
- 1...Re4
- 2.Bxg4#
- 1...Rb5
- 2.Bxg4#
- 1...Rb6
- 2.Bxg4#
- 1...Rb7
- 2.Bxg4#
- 1...Rb8
- 2.Bxg4#
- 1...Bg1
- 2.Sd6#
- 1...Bg3
- 2.Sd6#
- 1...g3
- 2.Sd6#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD::B(D),XP(f)
- R(e);SBLOCK::S(F)
- B(a);S_CUTR(e)::B(D),XP(f)
- B(c);P_PINB(D),SBLOCK::S(F)
- Tries
- Try
- R(B);XP(f)
- Threat
- DUALS(3)
- Vars
- Q(d);::S(F)
- B(c);P_PINB(D)::S(F)
- Refutation
- R(e);XR(B)
- Try
- Actual
- P(A);
- Threat
- DUALS(2)
- Vars
- R(e);SBLOCK,XP(A)::S(F)
- B(c);P_PINB(D),SBLOCK,XP(A)::S(F)
- P(f);EP,OGATE,XP(A)::R1(B)
- Q(d);::S(G)
- Q(d);P_PINB(D)::S(G)
- Q(d);::B(D),XP(f)
- R(e);::B(D),XP(f)
- B(c);P_PINB(D)::S(G)
- P(f);::S(G)
Developed and maintained by Brian Stephenson.
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