MESON Chess Problem Database
Problem Display
PID: 224649 (3N4/4r3/8/Ppk1p3/3RBR2/1Pp5/2p3Q1/2K5 w - - 0 1)
L'Hermet, Johann Georg Rudolf
Deutsche Schachzeitung, 1888
#2
8 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qg1#
- 2.Qf2#
- 1...Re6
- 2.Sxe6#
- 1...Ra7
- 2.Se6#
- 1...Rb7
- 2.Se6#
- 1...Rc7
- 2.Se6#
- 1...Rd7
- 2.Se6#
- 1...Rf7
- 2.Se6#
- 1...Rg7
- 2.Se6#
- 1...Rh7
- 2.Se6#
- 1...b4
- 2.Rd5#
- 1...Kxd4
- Tries
- 1.Sb7+?
- 1...Kxd4
- 2.Qg1#
- 2.Qf2#
- 1...Rxb7!
- 1...Kxd4
- 1.Qf3?
- threat
- 2.Qxc3#
- 1...Kxd4
- 2.Qf2#
- 1...b4
- 2.Rd5#
- 1...exd4!
- threat
- 1.Qg1?
- threat
- 2.b4#
- 1...b4
- 2.Rd5#
- 1...exd4!
- threat
- 1.Qxc2?
- threat
- 2.Qxc3#
- 1...Kxd4
- 2.Qf2#
- 1...b4
- 2.Rd5#
- 1...exd4!
- threat
- 1.Qf2?
- threat
- 2.b4#
- 1...b4
- 2.Rd5#
- 1...exd4!
- threat
- 1.Qg3?
- threat
- 2.Qxc3#
- 1...Kxd4
- 2.Qf2#
- 2.Qg1#
- 1...b4
- 2.Rd5#
- 1...exd4!
- threat
- 1.Qg5?
- 1...Kxd4
- 2.Qg1#
- 1...b4
- 2.Rd5#
- 1...Re6
- 2.Sxe6#
- 1...Ra7
- 2.Se6#
- 2.Qxe5#
- 1...Rb7
- 2.Se6#
- 2.Qxe5#
- 1...Rc7
- 2.Se6#
- 2.Qxe5#
- 1...Rd7
- 2.Se6#
- 1...Rf7
- 2.Se6#
- 2.Qxe5#
- 1...Rg7
- 2.Se6#
- 2.Qxe5#
- 1...Rh7
- 2.Se6#
- 2.Qxe5#
- 1...Re8!
- 1...Kxd4
- 1.Qg6?
- threat
- 2.Qb6#
- 2.Qd6#
- 1...Kxd4
- 2.Qg1#
- 2.Qb6#
- 1...b4
- 2.Rd5#
- 2.Qb6#
- 1...Re6
- 2.Sxe6#
- 1...Rb7
- 2.Se6#
- 2.Qd6#
- 1...Rd7
- 2.Se6#
- 2.Qb6#
- 1...exd4!
- threat
- 1.Qg8?
- threat
- 2.Qd5#
- 1...Kxd4
- 2.Qg1#
- 1...Re6
- 2.Sxe6#
- 1...Rd7
- 2.Se6#
- 1...Rf7
- 2.Se6#
- 1...exd4!
- threat
- 1.Sb7+?
- Keys
- 1.Qg7!
- 1...Kxd4
- 2.Qg1#
- 1...Rxg7
- 2.Se6#
- 1...exd4
- 2.Qxe7#
- 1...exf4
- 2.b4#
- 1...b4
- 2.Rd5#
- 1...Re8
- 2.Qa7#
- 1...Re6
- 2.Sxe6#
- 1...Ra7
- 2.Se6#
- 2.Qxe5#
- 2.Qxa7#
- 1...Rb7
- 2.Se6#
- 2.Qxe5#
- 1...Rc7
- 2.Se6#
- 2.Qxe5#
- 1...Rd7
- 2.Se6#
- 1...Rf7
- 2.Se6#
- 2.Qxe5#
- 1...Kxd4
- 1.Qg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(f);N_GUARD::S(H),XR(f)
- R(f);N_GUARD::S(H)
- P(c);SBLOCK::R1(D)
- Tries
- Try
- S(H);CHECK
- Refutation
- R(f);XS(H)
- Try
- Q(B);
- Threat
- QAR2(B),XP(b)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(B)
- P(c);SBLOCK::R1(D)
- Refutation
- P(e);XR(D)
- Try
- Q(B);
- Threat
- P(C)
- Vars
- P(c);SBLOCK::QAB(B)+R(D),DCHECK
- Refutation
- P(e);P_SPINP(e),XR(D)
- Try
- Q(B);P_PINP(b),XP(a)
- Threat
- QAR2(B),XP(b)
- Vars
- K(d);N_SPINP(b),OGATEB,S_FLIGHT,XR(D)::QAB(B)
- P(c);SBLOCK::R1(D)
- Refutation
- P(e);XR(D)
- Try
- Q(B);
- Threat
- P(C)
- Vars
- P(c);SBLOCK::QAB(B)+R(D),DCHECK
- Refutation
- P(e);P_SPINP(e),XR(D)
- Try
- Q(B);
- Threat
- QAR2(B),XP(b)
- Vars
- P(c);SBLOCK::R1(D)
- Refutation
- P(e);XR(D)
- Try
- Q(B);P_PINP(e)
- Vars
- K(d);N_SPINP(e),OGATEB,S_FLIGHT,XR(D)::QAB(B)
- P(c);SBLOCK::R1(D)
- R(f);N_GUARD::S(H),XR(f)
- R(f);N_GUARD::S(H)
- Refutation
- R(f);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD::S(H),XR(f)
- Refutation
- P(e);XR(D)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(D)::QAB(B)
- R(f);N_GUARD::S(H),XR(f)
- R(f);N_GUARD::S(H)
- Refutation
- P(e);XR(D)
- Try
- Actual
- Q(B);
- Vars
- K(d);OGATEB,P_SPINP(e),S_FLIGHT,XR(D)::QAB(B)
- R(f);N_GUARD,XQ(B)::S(H)
- P(e);SBLOCK,XR(D)::QAB(B),XR(f)
- P(e);XR(F)::P(C)
- P(c);SBLOCK::R1(D)
- R(f);OGATE::QAB(B)
- R(f);N_GUARD::S(H),XR(f)
- R(f);N_GUARD::S(H)
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