MESON Chess Problem Database
Problem Display
PID: 53410 (2n1B3/q7/3Pk3/3RPN2/2PpR1P1/1P1K4/8/8 w - - 0 1)
Wermelinger, Charles
Parallele 50, 1949
#2
10 + 4
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1949 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Qa2
- 2.Sxd4#
- 2.Sg7#
- 1...Qa3
- 2.Sxd4#
- 2.Sg7#
- 1...Qa4
- 2.Sxd4#
- 2.Sg7#
- 1...Qa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qh7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Sxd6
- 2.Rxd6#
- 1...Se7
- 2.Sg7#
- 1...Qc5
- Tries
- 1.Re1?
- 1...Sxd6
- 2.Rxd6#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Qa2
- 2.Sxd4#
- 2.Sg7#
- 1...Qa3
- 2.Sxd4#
- 2.Sg7#
- 1...Qa4
- 2.Sxd4#
- 2.Sg7#
- 1...Qa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Se7
- 2.Sg7#
- 1...Qh7!
- 1...Sxd6
- 1.Re2?
- 1...Sxd6
- 2.Rxd6#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Qa2
- 2.Sxd4#
- 2.Sg7#
- 1...Qa3
- 2.Sxd4#
- 2.Sg7#
- 1...Qa4
- 2.Sxd4#
- 2.Sg7#
- 1...Qa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Se7
- 2.Sg7#
- 1...Qh7!
- 1...Sxd6
- 1.Ra5?
- 1...Qxa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qh7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Se7
- 2.Sg7#
- 1...Sxd6!
- 1...Qxa5
- 1.Rb5?
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Qa2
- 2.Sxd4#
- 2.Sg7#
- 1...Qa3
- 2.Sxd4#
- 2.Sg7#
- 1...Qa4
- 2.Sxd4#
- 2.Sg7#
- 1...Qa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qh7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Se7
- 2.Sg7#
- 1...Sxd6!
- 1...Qc5
- 1.Rc5?
- threat
- 2.Sxd4#
- 1...Qxc5
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Sxd6!
- threat
- 1.b4?
- 1...Sxd6
- 2.Rxd6#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Qa2
- 2.Sxd4#
- 2.Sg7#
- 1...Qa4
- 2.Sxd4#
- 2.Sg7#
- 1...Qa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qh7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Se7
- 2.Sg7#
- 1...Qa3+!
- 1...Sxd6
- 1.Re1?
- Keys
- 1.g5!
- 1...Kxf5
- 2.e6#
- 1...Sxd6
- 2.exd6#
- 1...Qc5
- 2.Sg7#
- 1...Qb6
- 2.Sg7#
- 1...Qb8
- 2.Sxd4#
- 2.Sg7#
- 1...Qa1
- 2.Sg7#
- 1...Qa2
- 2.Sxd4#
- 2.Sg7#
- 1...Qa3
- 2.Sxd4#
- 2.Sg7#
- 1...Qa4
- 2.Sxd4#
- 2.Sg7#
- 1...Qa5
- 2.Sxd4#
- 2.Sg7#
- 1...Qa6
- 2.Sxd4#
- 2.Sg7#
- 1...Qb7
- 2.Sxd4#
- 1...Qc7
- 2.Sxd4#
- 1...Qd7
- 2.Sxd4#
- 1...Qe7
- 2.Sxd4#
- 1...Qf7
- 2.Sxd4#
- 1...Qg7
- 2.Sxd4#
- 2.Sxg7#
- 1...Qh7
- 2.Sxd4#
- 1...Qa8
- 2.Sxd4#
- 2.Sg7#
- 1...Sb6
- 2.Sxd4#
- 1...Se7
- 2.Sg7#
- 1...Kxf5
- 1.g5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);OGATE,XP(I)::R1(F),XS(d)
- S(d);S_CUTQ(c)::S(H)
- Tries
- Try
- R(D);
- Vars
- S(d);OGATE,XP(I)::R1(F),XS(d)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H)
- Refutation
- Q(c);P_PINS(H)
- Try
- R(D);
- Vars
- S(d);OGATE,XP(I)::R1(F),XS(d)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H)
- Refutation
- Q(c);P_PINS(H)
- Try
- R(F);
- Vars
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H)
- Refutation
- S(d);XP(I)
- Try
- R(F);
- Vars
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H)
- Refutation
- S(d);XP(I)
- Try
- R(F);
- Threat
- S(H),XP(a)
- Vars
- Q(c);N_GUARD,XR(F)::S(H)
- Q(c);N_GUARD::S(H)
- Refutation
- S(d);XP(I)
- Try
- P(A);
- Vars
- S(d);OGATE,XP(I)::R1(F),XS(d)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H)
- Refutation
- Q(c);CHECK
- Try
- Actual
- P(E);
- Vars
- K(b);OGATE,S_FLIGHT,XS(H)::R(F)+P(G)
- S(d);OGATE,XP(I)::R(D)+P(G),XS(d)
- Q(c);N_GUARD::S(H)
- Q(c);N_GUARD::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H),XP(a)
- S(d);S_CUTQ(c)::S(H)
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