MESON Chess Problem Database
Problem Display
PID: 51977 (K4BN1/3B3n/2n1P3/1P1kPR2/3Pr3/1P3N2/3Q4/b7 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2004
(First published on Sun Feb 1 2004)
#2
12 + 5
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Sg5
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sxf8
- 2.Sf6#
- 1...Sb4
- Tries
- 1.Rf6?
- threat
- 2.Bxc6#
- 1...Sxd4
- 2.Bc6#
- 1...Sxf6
- 2.Sxf6#
- 1...Sb4
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Sxe5!
- threat
- 1.Qc1?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Rxd4
- 2.Qxc6#
- 1...Rxe5
- 2.Qxc6#
- 1...Bxd4
- 2.Qc4#
- 2.Qxc6#
- 1...Sxd4
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sxe5
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Re1
- 2.Qxc6#
- 1...Re2
- 2.Qxc6#
- 1...Re3
- 2.Qxc6#
- 1...Rf4
- 2.Qxc6#
- 1...Rg4
- 2.Qxc6#
- 1...Rh4
- 2.Qxc6#
- 1...Sb4
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sa5
- 2.Se7#
- 2.Qc5#
- 1...Sa7
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Se7
- 2.Sxe7#
- 2.Qc4#
- 2.Qc5#
- 1...Sb8
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sd8
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Bc3!
- threat
- 1.Qc3?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Rxd4
- 2.Qxc6#
- 1...Rxe5
- 2.Qxc6#
- 1...Sxd4
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sxe5
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Re1
- 2.Qxc6#
- 1...Re2
- 2.Qxc6#
- 1...Re3
- 2.Qxc6#
- 1...Rf4
- 2.Qxc6#
- 1...Rg4
- 2.Qxc6#
- 1...Rh4
- 2.Qxc6#
- 1...Sb4
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sa5
- 2.Se7#
- 2.Qc5#
- 1...Sa7
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Se7
- 2.Sxe7#
- 2.Qc4#
- 2.Qc5#
- 1...Sb8
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sd8
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Bxc3!
- threat
- 1.Qh6?
- threat
- 2.Bxc6#
- 1...Sxe5
- 2.Bc6#
- 1...Sb4
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- 1...Sf6
- 2.Sxf6#
- 1...Sxd4!
- threat
- 1.Qc2?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qxc6#
- 1...Rxd4
- 2.Qxc6#
- 1...Rxe5
- 2.Qxc6#
- 1...Bxd4
- 2.Qc4#
- 2.Qxc6#
- 1...Sxd4
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sxe5
- 2.Qc4#
- 2.Qc5#
- 2.Qc6#
- 1...Re1
- 2.Qxc6#
- 1...Re2
- 2.Qxc6#
- 1...Re3
- 2.Qxc6#
- 1...Rf4
- 2.Qxc6#
- 1...Rg4
- 2.Qxc6#
- 1...Rh4
- 2.Qxc6#
- 1...Sb4
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sa5
- 2.Se7#
- 2.Qc5#
- 1...Sa7
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Se7
- 2.Sxe7#
- 2.Qc4#
- 2.Qc5#
- 1...Sb8
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Sd8
- 2.Se7#
- 2.Qc4#
- 2.Qc5#
- 1...Bc3!
- threat
- 1.Rf6?
- Keys
- 1.Sg5!
- threat
- 2.Bxc6#
- 1...Sxd4
- 2.Bc6#
- 1...Sxe5
- 2.Bc6#
- 1...Sxg5
- 2.Sf6#
- 1...Sb4
- 2.Se7#
- 1...Sa5
- 2.Se7#
- 1...Sa7
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sb8
- 2.Se7#
- 1...Sd8
- 2.Se7#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- S(d);N_GUARD::S(L)
- S(d);N_GUARD::S(L),XS(d)
- S(e);N_GUARD::S(L)
- S(e);N_GUARD::S(L),XS(e)
- S(e);N_GUARD,XB(K)::S(L)
- Tries
- Try
- R(G);
- Threat
- B(I),XS(d)
- Vars
- S(d);P_SPINS(d),XP(D)::B(I)
- S(e);XR(G)::S(L),XS(e)
- S(d);N_GUARD::S(L)
- S(d);N_GUARD::S(L),XS(d)
- Refutation
- S(d);XP(F)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(b);XP(D)::QAB1(A),XS(d)
- R(b);P_SPINR(b),XP(F)::QAB1(A),XS(d)
- R(b);::QAB1(A),XS(d)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(b);XP(D)::QAB1(A),XS(d)
- R(b);P_SPINR(b),XP(F)::QAB1(A),XS(d)
- R(b);::QAB1(A),XS(d)
- Refutation
- B(a);XQ(A)
- Try
- Q(A);
- Threat
- B(I),XS(d)
- Vars
- S(d);P_SPINS(d),XP(F)::B(I)
- S(d);N_GUARD::S(L)
- S(d);N_GUARD::S(L),XS(d)
- S(e);N_GUARD::S(L),XS(e)
- Refutation
- S(d);XP(D)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(b);XP(D)::QAB1(A),XS(d)
- R(b);P_SPINR(b),XP(F)::QAB1(A),XS(d)
- R(b);::QAB1(A),XS(d)
- Refutation
- B(a);
- Try
- Actual
- S(C);
- Threat
- B(I),XS(d)
- Vars
- S(d);P_SPINS(d),XP(D)::B(I)
- S(d);P_SPINS(d),XP(F)::B(I)
- S(e);N_GUARD,XS(C)::S(L)
- S(d);N_GUARD::S(L)
- S(d);N_GUARD::S(L),XS(d)
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