MESON Chess Problem Database
Problem Display
PID: 160711 (3R2n1/6Kp/2B1N3/1p1NkPBp/4P3/3p3r/n7/2b1Q3 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problemas, 1972
#2
9 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Bf4#
- 1...Ba3
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...d2
- 2.Bf4#
- 1...Bb2
- Tries
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Sxc3
- 2.Qxc3#
- 1...Sf6
- 2.Bxf6#
- 1...Se7
- 2.Bf6#
- 1...Sb4!
- threat
- 1.Sdf4?
- threat
- 2.Rd5#
- 1...Be3
- 2.Sxd3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Sf6
- 2.Bxf6#
- 1...Se7
- 2.Bf6#
- 1...Re3!
- threat
- 1.Sb6?
- threat
- 2.Rd5#
- 1...Re3
- 2.Bf4#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Sf6
- 2.Bxf6#
- 1...Se7
- 2.Bf6#
- 1...Be3!
- threat
- 1.Sf6?
- threat
- 2.Rd5#
- 1...Sxf6
- 2.Bxf6#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Se7!
- threat
- 1.Sdc7?
- threat
- 2.Rd5#
- 1...Re3
- 2.Bf4#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Sf6
- 2.Bxf6#
- 1...Se7
- 2.Bf6#
- 1...Be3!
- threat
- 1.Se7?
- threat
- 2.Rd5#
- 1...Sxe7
- 2.Bf6#
- 1...Re3
- 2.Bf4#
- 1...Sc3
- 2.Qxc3#
- 1...Sb4
- 2.Qc3#
- 1...Sf6
- 2.Bxf6#
- 1...Be3!
- threat
- 1.Qc3+?
- 1...Kxe4
- 2.Se3#
- 2.Se7#
- 1...Sxc3!
- 1...Kxe4
- 1.Qg3+?
- 1...Kxe4
- 2.Se3#
- 2.Se7#
- 1...Bf4
- 2.Qxf4#
- 1...Rxg3!
- 1...Kxe4
- 1.Sc3?
- Keys
- 1.Sb4!
- threat
- 2.Rd5#
- 1...Sxb4
- 2.Qc3#
- 1...Re3
- 2.Bf4#
- 1...Be3
- 2.Sxd3#
- 1...Sc3
- 2.Qxc3#
- 1...Sf6
- 2.Bxf6#
- 1...Se7
- 2.Bf6#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- B(a);N_GUARD::B(E)
- B(a);N_GUARD::B(E),XB(a)
- S(i);N_GUARD::B(E),XS(i)
- S(i);N_GUARD::B(E)
- P(c);S_CUTB(a)::B(E)
- Tries
- Try
- S(C);
- Threat
- R1(I)
- Vars
- S(b);OGATE,XS(C)::QAB(A),XS(b)
- S(i);N_GUARD::B(E),XS(i)
- S(i);N_GUARD::B(E)
- Refutation
- S(b);
- Try
- S(C);
- Threat
- R1(I)
- Vars
- B(a);S_CUTR(d)::S(C),XP(c)
- S(b);N_GUARD::QAB(A),XS(b)
- S(b);N_GUARD::QAB(A)
- S(i);N_GUARD::B(E),XS(i)
- S(i);N_GUARD::B(E)
- Refutation
- R(d);
- Try
- S(C);
- Threat
- R1(I)
- Vars
- R(d);S_CUTB(a)::B(E)
- S(b);N_GUARD::QAB(A),XS(b)
- S(b);N_GUARD::QAB(A)
- S(i);N_GUARD::B(E),XS(i)
- S(i);N_GUARD::B(E)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- R1(I)
- Vars
- S(i);OGATE,XS(C)::B(E),XS(i)
- S(b);N_GUARD::QAB(A),XS(b)
- S(b);N_GUARD::QAB(A)
- Refutation
- S(i);
- Try
- S(C);
- Threat
- R1(I)
- Vars
- R(d);S_CUTB(a)::B(E)
- S(b);N_GUARD::QAB(A),XS(b)
- S(b);N_GUARD::QAB(A)
- S(i);N_GUARD::B(E),XS(i)
- S(i);N_GUARD::B(E)
- Refutation
- B(a);
- Try
- S(C);
- Threat
- R1(I)
- Vars
- S(i);N_GUARD,XS(C)::B(E)
- R(d);S_CUTB(a)::B(E)
- S(b);N_GUARD::QAB(A),XS(b)
- S(b);N_GUARD::QAB(A)
- S(i);N_GUARD::B(E),XS(i)
- Refutation
- B(a);
- Try
- Q(A);CHECK
- Refutation
- S(b);XQ(A)
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(A),XB(a)
- Refutation
- R(d);P_PINB(E),XQ(A)
- Try
- Actual
- S(C);
- Threat
- R1(I)
- Vars
- S(b);N_GUARD,XS(C)::QAB(A)
- R(d);S_CUTB(a)::B(E)
- B(a);S_CUTR(d)::S(C),XP(c)
- S(b);N_GUARD::QAB(A),XS(b)
- S(i);N_GUARD::B(E),XS(i)
- S(i);N_GUARD::B(E)
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