MESON Chess Problem Database
Problem Display
PID: 186041 (8/2B4b/3n4/2kp2Rr/B5Q1/P1bR4/1N6/1K5n w - - 0 1)
Ahues, Herbert Siegfried Oskar
Chess, 1958
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Rxd5#
- 1...Rh3
- 2.Rxd5#
- 1...Rh4
- 2.Rxd5#
- 1...Rh6
- 2.Rxd5#
- 1...Be1
- 2.Qd4#
- 1...Bxb2
- 2.Qb4#
- 1...Bd2
- 2.Qd4#
- 1...Bb4
- 2.Qxb4#
- 2.Qd4#
- 2.axb4#
- 1...Bd4
- 2.Qxd4#
- 1...Ba5
- 2.Qd4#
- 1...Be5
- 2.Qb4#
- 1...Bf6
- 2.Qb4#
- 1...Bg7
- 2.Qb4#
- 1...Bh8
- 2.Qb4#
- 1...Bxd3+
- 2.Sxd3#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Rdxd5#
- 1...Sb5
- 2.Qc4#
- 1...Sf5
- 2.Rxc3#
- 1...Sb7
- 2.Qc4#
- 1...Sf7
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...Se8
- 2.Qc4#
- 1...Rh2
- Tries
- 1.Bd7?
- threat
- 2.Sa4#
- 1...Bxd3+
- 2.Sxd3#
- 1...Bxb2
- 2.Qb4#
- 1...Bd4
- 2.Qxd4#
- 1...Se4
- 2.Rdxd5#
- 1...Be4!
- threat
- 1.Be8?
- threat
- 2.Sa4#
- 1...Bxd3+
- 2.Sxd3#
- 1...Bxb2
- 2.Qb4#
- 1...Sxe8
- 2.Qc4#
- 1...Bd4
- 2.Qxd4#
- 1...Se4
- 2.Rdxd5#
- 1...Be4!
- threat
- 1.Qe6?
- threat
- 2.Qxd5#
- 2.Qxd6#
- 1...Rxg5
- 2.Qxd6#
- 1...Bxb2
- 2.Qxd5#
- 1...Be4
- 2.Qxd6#
- 1...Rh6
- 2.Rxd5#
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Bg8
- 2.Rdxd5#
- 2.Qxd6#
- 1...Sc4
- 2.Qxd5#
- 2.Qc6#
- 1...Se4
- 2.Bb6#
- 2.Rdxd5#
- 2.Qxd5#
- 2.Qb6#
- 2.Qc6#
- 1...Sb5
- 2.Bb6#
- 2.Qxd5#
- 2.Qb6#
- 1...Sf5
- 2.Bb6#
- 2.Rxd5#
- 2.Qxd5#
- 2.Qb6#
- 2.Qc6#
- 1...Sb7
- 2.Bb6#
- 2.Qxd5#
- 2.Qb6#
- 2.Qc6#
- 1...Sf7
- 2.Bb6#
- 2.Qxd5#
- 2.Qb6#
- 2.Qc6#
- 1...Sc8
- 2.Qxd5#
- 2.Qc6#
- 1...Se8
- 2.Bb6#
- 2.Qxd5#
- 2.Qb6#
- 2.Qc6#
- 1...Bxd3+!
- threat
- 1.Qd7?
- threat
- 2.Qc6#
- 2.Qxd6#
- 1...Bxb2
- 2.Qc6#
- 1...Rh6
- 2.Rxd5#
- 2.Qc6#
- 1...Be5
- 2.Qc6#
- 1...Sc4
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Se4
- 2.Rdxd5#
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Sb5
- 2.Qxb5#
- 2.Qxd5#
- 1...Sf5
- 2.Rxd5#
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Sb7
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Sf7
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Sc8
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Se8
- 2.Qb5#
- 2.Qc6#
- 2.Qxd5#
- 1...Bxd3+!
- threat
- 1.Qg1+?
- 1...Bd4
- 2.Qxd4#
- 1...Sf2!
- 1...Bd4
- 1.Bd7?
- Keys
- 1.Qf4!
- threat
- 2.Qxd6#
- 1...Bxd3+
- 2.Sxd3#
- 1...Bxb2
- 2.Qb4#
- 1...Sb5
- 2.Qc4#
- 1...Rh6
- 2.Rxd5#
- 1...Be5
- 2.Qb4#
- 1...Sc4
- 2.Qxc4#
- 1...Se4
- 2.Rdxd5#
- 1...Sf5
- 2.Rxc3#
- 1...Sb7
- 2.Qc4#
- 1...Sf7
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...Se8
- 2.Qc4#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(e);N_GUARD::R1(G),XP(d)
- B(b);N_GUARD::QAB1(F)
- B(b);N_GUARD,XS(B)::QAB1(F)
- B(b);N_GUARD::QAB1(F),XB(b)
- B(b);N_GUARD,N_SPINP(d)::QAB1(F)
- B(g);CHECK,XR(D)::S(B),XB(g)
- S(f);N_GUARD::QAR1(F),XS(f)
- S(f);N_PINR(D)::R1(D),XP(d)
- S(f);N_GUARD::QAR1(F)
- S(f);N_PINR(D),N_SPINP(d)::R(D),XB(b)
- Tries
- Try
- B(E);
- Threat
- S(B)
- Vars
- B(g);CHECK,XR(D)::S(B),XB(g)
- B(b);N_GUARD,XS(B)::QAB1(F)
- B(b);N_GUARD::QAB1(F),XB(b)
- S(f);N_PINR(D)::R1(D),XP(d)
- Refutation
- B(g);
- Try
- B(E);
- Threat
- S(B)
- Vars
- B(g);CHECK,XR(D)::S(B),XB(g)
- B(b);N_GUARD,XS(B)::QAB1(F)
- S(f);N_GUARD,XB(E)::QAR1(F)
- B(b);N_GUARD::QAB1(F),XB(b)
- S(f);N_PINR(D)::R1(D),XP(d)
- Refutation
- B(g);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINP(d),XR(G)::QAB1(F),XS(f)
- B(b);XS(B)::QAR1(F),XP(d)
- B(g);::QAB1(F),XS(f)
- B(b);N_SPINP(d)::QAR1(F),XP(d)
- Refutation
- B(g);CHECK,XR(D)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(b);XS(B)::QAR1(F)
- B(b);N_SPINP(d)::QAR1(F)
- Refutation
- B(g);CHECK,XR(D)
- Try
- Q(F);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(F),XB(b)
- Refutation
- S(a);P_SPINS(a)
- Try
- Actual
- Q(F);
- Threat
- QAB1(F),XS(f)
- Vars
- B(g);CHECK,XR(D)::S(B),XB(g)
- B(b);N_GUARD,XS(B)::QAB1(F)
- S(f);N_GUARD::QAR1(F)
- R(e);N_GUARD::R1(G),XP(d)
- B(b);N_GUARD,N_SPINP(d)::QAB1(F)
- S(f);N_GUARD::QAR1(F),XS(f)
- S(f);N_PINR(D)::R1(D),XP(d)
- S(f);N_PINR(D),N_SPINP(d)::R(D),XB(b)
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