MESON Chess Problem Database
Problem Display
PID: 74698 (8/K2B2p1/2P1p3/1p1kN3/1BRnpP2/3P2n1/Q2N1p2/8 w - - 0 1)
Hoffmann, Fritz
Hofer Anzeiger, 1994
#2
10 + 8
| 6114 | Problemschach-Jahrbuch (1994) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.dxe4#
- 1...Sh1
- 2.dxe4#
- 1...Sge2
- 2.dxe4#
- 1...Sgf5
- 2.dxe4#
- 1...Sh5
- 2.dxe4#
- 1...Sc2
- 2.Rxe4#
- 1...Sde2
- 2.Rxe4#
- 1...Sf3
- 2.Rxe4#
- 1...Sdf5
- 2.Rxe4#
- 1...Sxc6+
- 2.Bxc6#
- 1...bxc4
- 2.Qxc4#
- 2.dxc4#
- 1...Sf1
- Tries
- 1.Sb1?
- threat
- 2.Sc3#
- 1...Sxc6+
- 2.Bxc6#
- 1...Sde2
- 2.Rxe4#
- 1...Sge2!
- threat
- 1.Sdf3?
- threat
- 2.Rxd4#
- 1...Sxc6+
- 2.Bxc6#
- 2.Rxc6#
- 1...Sxf3
- 2.Rxe4#
- 1...bxc4
- 2.Qxc4#
- 2.dxc4#
- 1...Sc2
- 2.Rxc2#
- 2.Rc3#
- 2.Rd4#
- 2.Rxe4#
- 1...Sde2
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rd4#
- 2.Rxe4#
- 1...Sb3
- 2.Rd4#
- 1...Sdf5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rd4#
- 2.Rxe4#
- 1...exf3!
- threat
- 1.Sef3?
- threat
- 2.Rxd4#
- 1...Sxc6+
- 2.Bxc6#
- 2.Rxc6#
- 1...Sxf3
- 2.Rxe4#
- 1...bxc4
- 2.Qxc4#
- 2.dxc4#
- 1...Sc2
- 2.Rxc2#
- 2.Rc3#
- 2.Rd4#
- 2.Rxe4#
- 1...Sde2
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rd4#
- 2.Rxe4#
- 1...Sb3
- 2.Rd4#
- 1...Sdf5
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rd4#
- 2.Rxe4#
- 1...exf3!
- threat
- 1.Sg4?
- threat
- 2.Se3#
- 1...Sxc6+
- 2.Bxc6#
- 1...Sf1
- 2.dxe4#
- 1...Sgf5
- 2.dxe4#
- 1...Sc2
- 2.Rxe4#
- 1...Sdf5
- 2.Rxe4#
- 1...e3
- 2.Sxe3#
- 1...f1S!
- threat
- 1.Sf7?
- threat
- 2.Rc5#
- 1...Sxc6+
- 2.Bxc6#
- 1...bxc4
- 2.Qxc4#
- 2.dxc4#
- 1...Sc2
- 2.Rxe4#
- 1...Sde2
- 2.Rxe4#
- 1...Sf3
- 2.Rxe4#
- 1...Sdf5
- 2.Rxe4#
- 1...Sb3!
- threat
- 1.Be7?
- threat
- 2.Rc5#
- 1...Sxc6+
- 2.Bxc6#
- 1...bxc4
- 2.Qxc4#
- 2.dxc4#
- 1...Sc2
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sde2
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sf3
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sdf5
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sb3!
- threat
- 1.Bf8?
- threat
- 2.Rc5#
- 1...Sxc6+
- 2.Bxc6#
- 1...bxc4
- 2.Qxc4#
- 2.dxc4#
- 1...Sc2
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sde2
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sf3
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sdf5
- 2.Ra4#
- 2.Rb4#
- 2.Rxe4#
- 1...Sb3!
- threat
- 1.Bxe6+?
- 1...Sxe6
- 2.Rxe4#
- 1...Kxe6!
- 1...Sxe6
- 1.Sb1?
- Keys
- 1.Sg6!
- threat
- 2.Se7#
- 1...Sxc6+
- 2.Bxc6#
- 1...Sgf5
- 2.dxe4#
- 1...Sdf5
- 2.Rxe4#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- S(b);N_GUARD::P(C),XP(d)
- S(c);OGATE::QAB(A)+R(E),XP(d)
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- S(c);OGATE::QAB(A)+R(E),XP(d)
- Refutation
- S(b);
- Try
- S(B);
- Threat
- QAB(A)+R(E),DCHECK,XS(c)
- Vars
- S(c);OGATE,XS(B)::QAB(A)+R(E),XP(d)
- S(c);::R1(E)
- Refutation
- P(d);XS(B)
- Try
- S(G);
- Threat
- QAB(A)+R(E),DCHECK,XS(c)
- Vars
- S(c);OGATE,XS(G)::QAB(A)+R(E),XP(d)
- S(c);::R1(E)
- Refutation
- P(d);XS(G)
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- S(b);N_GUARD::P(C),XP(d)
- S(c);OGATE::QAB(A)+R(E),XP(d)
- P(d);::S(G),XP(d)
- Refutation
- P(a);
- Try
- S(G);
- Threat
- QAB(A)+R(E),DCHECK
- Vars
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- S(c);OGATE::QAB(A)+R(E),XP(d)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- QAB(A)+R(E),DCHECK
- Vars
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- QAB(A)+R(E),DCHECK
- Vars
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- Refutation
- S(c);
- Try
- B(J);CHECK,XP(g)
- Vars
- S(c);OGATE,SBLOCK,XB(J)::QAB(A)+R(E),XP(d)
- Refutation
- K(f);S_FLIGHT,XB(J)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- S(c);CHECK,OGATE,XP(H)::B(J),XS(c)
- S(b);N_GUARD::P(C),XP(d)
- S(c);OGATE::QAB(A)+R(E),XP(d)
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